diff options
254 files changed, 17513 insertions, 16987 deletions
diff --git a/include/asm-sparc/Kbuild b/include/asm-sparc/Kbuild index c83e3c0aa30b..6cdaf9d33b38 100644 --- a/include/asm-sparc/Kbuild +++ b/include/asm-sparc/Kbuild | |||
@@ -1,22 +1 @@ | |||
1 | include include/asm-generic/Kbuild.asm | # dummy file to avoid breaking make headers_install | |
2 | |||
3 | header-y += apc.h | ||
4 | header-y += asi.h | ||
5 | header-y += bpp.h | ||
6 | header-y += display7seg.h | ||
7 | header-y += envctrl.h | ||
8 | header-y += jsflash.h | ||
9 | header-y += openprom.h | ||
10 | header-y += openpromio.h | ||
11 | header-y += psrcompat.h | ||
12 | header-y += pstate.h | ||
13 | header-y += reg.h | ||
14 | header-y += traps.h | ||
15 | header-y += uctx.h | ||
16 | header-y += utrap.h | ||
17 | header-y += vfc_ioctls.h | ||
18 | header-y += watchdog.h | ||
19 | |||
20 | unifdef-y += fbio.h | ||
21 | unifdef-y += perfctr.h | ||
22 | unifdef-y += psr.h | ||
diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h index 5c944b5a8040..66d8166ec1d7 100644 --- a/include/asm-sparc/atomic.h +++ b/include/asm-sparc/atomic.h | |||
@@ -1,165 +1,8 @@ | |||
1 | /* atomic.h: These still suck, but the I-cache hit rate is higher. | 1 | #ifndef ___ASM_SPARC_ATOMIC_H |
2 | * | 2 | #define ___ASM_SPARC_ATOMIC_H |
3 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) | 4 | #include <asm-sparc/atomic_64.h> |
5 | * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) | ||
6 | * | ||
7 | * Additions by Keith M Wesolowski (wesolows@foobazco.org) based | ||
8 | * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ARCH_SPARC_ATOMIC__ | ||
12 | #define __ARCH_SPARC_ATOMIC__ | ||
13 | |||
14 | #include <linux/types.h> | ||
15 | |||
16 | typedef struct { volatile int counter; } atomic_t; | ||
17 | |||
18 | #ifdef __KERNEL__ | ||
19 | |||
20 | #define ATOMIC_INIT(i) { (i) } | ||
21 | |||
22 | extern int __atomic_add_return(int, atomic_t *); | ||
23 | extern int atomic_cmpxchg(atomic_t *, int, int); | ||
24 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
25 | extern int atomic_add_unless(atomic_t *, int, int); | ||
26 | extern void atomic_set(atomic_t *, int); | ||
27 | |||
28 | #define atomic_read(v) ((v)->counter) | ||
29 | |||
30 | #define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v))) | ||
31 | #define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v))) | ||
32 | #define atomic_inc(v) ((void)__atomic_add_return( 1, (v))) | ||
33 | #define atomic_dec(v) ((void)__atomic_add_return( -1, (v))) | ||
34 | |||
35 | #define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v))) | ||
36 | #define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v))) | ||
37 | #define atomic_inc_return(v) (__atomic_add_return( 1, (v))) | ||
38 | #define atomic_dec_return(v) (__atomic_add_return( -1, (v))) | ||
39 | |||
40 | #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) | ||
41 | |||
42 | /* | ||
43 | * atomic_inc_and_test - increment and test | ||
44 | * @v: pointer of type atomic_t | ||
45 | * | ||
46 | * Atomically increments @v by 1 | ||
47 | * and returns true if the result is zero, or false for all | ||
48 | * other cases. | ||
49 | */ | ||
50 | #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) | ||
51 | |||
52 | #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) | ||
53 | #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) | ||
54 | |||
55 | #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) | ||
56 | |||
57 | /* This is the old 24-bit implementation. It's still used internally | ||
58 | * by some sparc-specific code, notably the semaphore implementation. | ||
59 | */ | ||
60 | typedef struct { volatile int counter; } atomic24_t; | ||
61 | |||
62 | #ifndef CONFIG_SMP | ||
63 | |||
64 | #define ATOMIC24_INIT(i) { (i) } | ||
65 | #define atomic24_read(v) ((v)->counter) | ||
66 | #define atomic24_set(v, i) (((v)->counter) = i) | ||
67 | |||
68 | #else | 5 | #else |
69 | /* We do the bulk of the actual work out of line in two common | 6 | #include <asm-sparc/atomic_32.h> |
70 | * routines in assembler, see arch/sparc/lib/atomic.S for the | 7 | #endif |
71 | * "fun" details. | ||
72 | * | ||
73 | * For SMP the trick is you embed the spin lock byte within | ||
74 | * the word, use the low byte so signedness is easily retained | ||
75 | * via a quick arithmetic shift. It looks like this: | ||
76 | * | ||
77 | * ---------------------------------------- | ||
78 | * | signed 24-bit counter value | lock | atomic_t | ||
79 | * ---------------------------------------- | ||
80 | * 31 8 7 0 | ||
81 | */ | ||
82 | |||
83 | #define ATOMIC24_INIT(i) { ((i) << 8) } | ||
84 | |||
85 | static inline int atomic24_read(const atomic24_t *v) | ||
86 | { | ||
87 | int ret = v->counter; | ||
88 | |||
89 | while(ret & 0xff) | ||
90 | ret = v->counter; | ||
91 | |||
92 | return ret >> 8; | ||
93 | } | ||
94 | |||
95 | #define atomic24_set(v, i) (((v)->counter) = ((i) << 8)) | ||
96 | #endif | 8 | #endif |
97 | |||
98 | static inline int __atomic24_add(int i, atomic24_t *v) | ||
99 | { | ||
100 | register volatile int *ptr asm("g1"); | ||
101 | register int increment asm("g2"); | ||
102 | register int tmp1 asm("g3"); | ||
103 | register int tmp2 asm("g4"); | ||
104 | register int tmp3 asm("g7"); | ||
105 | |||
106 | ptr = &v->counter; | ||
107 | increment = i; | ||
108 | |||
109 | __asm__ __volatile__( | ||
110 | "mov %%o7, %%g4\n\t" | ||
111 | "call ___atomic24_add\n\t" | ||
112 | " add %%o7, 8, %%o7\n" | ||
113 | : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) | ||
114 | : "0" (increment), "r" (ptr) | ||
115 | : "memory", "cc"); | ||
116 | |||
117 | return increment; | ||
118 | } | ||
119 | |||
120 | static inline int __atomic24_sub(int i, atomic24_t *v) | ||
121 | { | ||
122 | register volatile int *ptr asm("g1"); | ||
123 | register int increment asm("g2"); | ||
124 | register int tmp1 asm("g3"); | ||
125 | register int tmp2 asm("g4"); | ||
126 | register int tmp3 asm("g7"); | ||
127 | |||
128 | ptr = &v->counter; | ||
129 | increment = i; | ||
130 | |||
131 | __asm__ __volatile__( | ||
132 | "mov %%o7, %%g4\n\t" | ||
133 | "call ___atomic24_sub\n\t" | ||
134 | " add %%o7, 8, %%o7\n" | ||
135 | : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) | ||
136 | : "0" (increment), "r" (ptr) | ||
137 | : "memory", "cc"); | ||
138 | |||
139 | return increment; | ||
140 | } | ||
141 | |||
142 | #define atomic24_add(i, v) ((void)__atomic24_add((i), (v))) | ||
143 | #define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v))) | ||
144 | |||
145 | #define atomic24_dec_return(v) __atomic24_sub(1, (v)) | ||
146 | #define atomic24_inc_return(v) __atomic24_add(1, (v)) | ||
147 | |||
148 | #define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0) | ||
149 | #define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0) | ||
150 | |||
151 | #define atomic24_inc(v) ((void)__atomic24_add(1, (v))) | ||
152 | #define atomic24_dec(v) ((void)__atomic24_sub(1, (v))) | ||
153 | |||
154 | #define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0) | ||
155 | |||
156 | /* Atomic operations are already serializing */ | ||
157 | #define smp_mb__before_atomic_dec() barrier() | ||
158 | #define smp_mb__after_atomic_dec() barrier() | ||
159 | #define smp_mb__before_atomic_inc() barrier() | ||
160 | #define smp_mb__after_atomic_inc() barrier() | ||
161 | |||
162 | #endif /* !(__KERNEL__) */ | ||
163 | |||
164 | #include <asm-generic/atomic.h> | ||
165 | #endif /* !(__ARCH_SPARC_ATOMIC__) */ | ||
diff --git a/include/asm-sparc/atomic_32.h b/include/asm-sparc/atomic_32.h new file mode 100644 index 000000000000..5c944b5a8040 --- /dev/null +++ b/include/asm-sparc/atomic_32.h | |||
@@ -0,0 +1,165 @@ | |||
1 | /* atomic.h: These still suck, but the I-cache hit rate is higher. | ||
2 | * | ||
3 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) | ||
5 | * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) | ||
6 | * | ||
7 | * Additions by Keith M Wesolowski (wesolows@foobazco.org) based | ||
8 | * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ARCH_SPARC_ATOMIC__ | ||
12 | #define __ARCH_SPARC_ATOMIC__ | ||
13 | |||
14 | #include <linux/types.h> | ||
15 | |||
16 | typedef struct { volatile int counter; } atomic_t; | ||
17 | |||
18 | #ifdef __KERNEL__ | ||
19 | |||
20 | #define ATOMIC_INIT(i) { (i) } | ||
21 | |||
22 | extern int __atomic_add_return(int, atomic_t *); | ||
23 | extern int atomic_cmpxchg(atomic_t *, int, int); | ||
24 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
25 | extern int atomic_add_unless(atomic_t *, int, int); | ||
26 | extern void atomic_set(atomic_t *, int); | ||
27 | |||
28 | #define atomic_read(v) ((v)->counter) | ||
29 | |||
30 | #define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v))) | ||
31 | #define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v))) | ||
32 | #define atomic_inc(v) ((void)__atomic_add_return( 1, (v))) | ||
33 | #define atomic_dec(v) ((void)__atomic_add_return( -1, (v))) | ||
34 | |||
35 | #define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v))) | ||
36 | #define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v))) | ||
37 | #define atomic_inc_return(v) (__atomic_add_return( 1, (v))) | ||
38 | #define atomic_dec_return(v) (__atomic_add_return( -1, (v))) | ||
39 | |||
40 | #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) | ||
41 | |||
42 | /* | ||
43 | * atomic_inc_and_test - increment and test | ||
44 | * @v: pointer of type atomic_t | ||
45 | * | ||
46 | * Atomically increments @v by 1 | ||
47 | * and returns true if the result is zero, or false for all | ||
48 | * other cases. | ||
49 | */ | ||
50 | #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) | ||
51 | |||
52 | #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) | ||
53 | #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) | ||
54 | |||
55 | #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) | ||
56 | |||
57 | /* This is the old 24-bit implementation. It's still used internally | ||
58 | * by some sparc-specific code, notably the semaphore implementation. | ||
59 | */ | ||
60 | typedef struct { volatile int counter; } atomic24_t; | ||
61 | |||
62 | #ifndef CONFIG_SMP | ||
63 | |||
64 | #define ATOMIC24_INIT(i) { (i) } | ||
65 | #define atomic24_read(v) ((v)->counter) | ||
66 | #define atomic24_set(v, i) (((v)->counter) = i) | ||
67 | |||
68 | #else | ||
69 | /* We do the bulk of the actual work out of line in two common | ||
70 | * routines in assembler, see arch/sparc/lib/atomic.S for the | ||
71 | * "fun" details. | ||
72 | * | ||
73 | * For SMP the trick is you embed the spin lock byte within | ||
74 | * the word, use the low byte so signedness is easily retained | ||
75 | * via a quick arithmetic shift. It looks like this: | ||
76 | * | ||
77 | * ---------------------------------------- | ||
78 | * | signed 24-bit counter value | lock | atomic_t | ||
79 | * ---------------------------------------- | ||
80 | * 31 8 7 0 | ||
81 | */ | ||
82 | |||
83 | #define ATOMIC24_INIT(i) { ((i) << 8) } | ||
84 | |||
85 | static inline int atomic24_read(const atomic24_t *v) | ||
86 | { | ||
87 | int ret = v->counter; | ||
88 | |||
89 | while(ret & 0xff) | ||
90 | ret = v->counter; | ||
91 | |||
92 | return ret >> 8; | ||
93 | } | ||
94 | |||
95 | #define atomic24_set(v, i) (((v)->counter) = ((i) << 8)) | ||
96 | #endif | ||
97 | |||
98 | static inline int __atomic24_add(int i, atomic24_t *v) | ||
99 | { | ||
100 | register volatile int *ptr asm("g1"); | ||
101 | register int increment asm("g2"); | ||
102 | register int tmp1 asm("g3"); | ||
103 | register int tmp2 asm("g4"); | ||
104 | register int tmp3 asm("g7"); | ||
105 | |||
106 | ptr = &v->counter; | ||
107 | increment = i; | ||
108 | |||
109 | __asm__ __volatile__( | ||
110 | "mov %%o7, %%g4\n\t" | ||
111 | "call ___atomic24_add\n\t" | ||
112 | " add %%o7, 8, %%o7\n" | ||
113 | : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) | ||
114 | : "0" (increment), "r" (ptr) | ||
115 | : "memory", "cc"); | ||
116 | |||
117 | return increment; | ||
118 | } | ||
119 | |||
120 | static inline int __atomic24_sub(int i, atomic24_t *v) | ||
121 | { | ||
122 | register volatile int *ptr asm("g1"); | ||
123 | register int increment asm("g2"); | ||
124 | register int tmp1 asm("g3"); | ||
125 | register int tmp2 asm("g4"); | ||
126 | register int tmp3 asm("g7"); | ||
127 | |||
128 | ptr = &v->counter; | ||
129 | increment = i; | ||
130 | |||
131 | __asm__ __volatile__( | ||
132 | "mov %%o7, %%g4\n\t" | ||
133 | "call ___atomic24_sub\n\t" | ||
134 | " add %%o7, 8, %%o7\n" | ||
135 | : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) | ||
136 | : "0" (increment), "r" (ptr) | ||
137 | : "memory", "cc"); | ||
138 | |||
139 | return increment; | ||
140 | } | ||
141 | |||
142 | #define atomic24_add(i, v) ((void)__atomic24_add((i), (v))) | ||
143 | #define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v))) | ||
144 | |||
145 | #define atomic24_dec_return(v) __atomic24_sub(1, (v)) | ||
146 | #define atomic24_inc_return(v) __atomic24_add(1, (v)) | ||
147 | |||
148 | #define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0) | ||
149 | #define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0) | ||
150 | |||
151 | #define atomic24_inc(v) ((void)__atomic24_add(1, (v))) | ||
152 | #define atomic24_dec(v) ((void)__atomic24_sub(1, (v))) | ||
153 | |||
154 | #define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0) | ||
155 | |||
156 | /* Atomic operations are already serializing */ | ||
157 | #define smp_mb__before_atomic_dec() barrier() | ||
158 | #define smp_mb__after_atomic_dec() barrier() | ||
159 | #define smp_mb__before_atomic_inc() barrier() | ||
160 | #define smp_mb__after_atomic_inc() barrier() | ||
161 | |||
162 | #endif /* !(__KERNEL__) */ | ||
163 | |||
164 | #include <asm-generic/atomic.h> | ||
165 | #endif /* !(__ARCH_SPARC_ATOMIC__) */ | ||
diff --git a/include/asm-sparc/atomic_64.h b/include/asm-sparc/atomic_64.h new file mode 100644 index 000000000000..2c71ec4a3b18 --- /dev/null +++ b/include/asm-sparc/atomic_64.h | |||
@@ -0,0 +1,128 @@ | |||
1 | /* atomic.h: Thankfully the V9 is at least reasonable for this | ||
2 | * stuff. | ||
3 | * | ||
4 | * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) | ||
5 | */ | ||
6 | |||
7 | #ifndef __ARCH_SPARC64_ATOMIC__ | ||
8 | #define __ARCH_SPARC64_ATOMIC__ | ||
9 | |||
10 | #include <linux/types.h> | ||
11 | #include <asm/system.h> | ||
12 | |||
13 | typedef struct { volatile int counter; } atomic_t; | ||
14 | typedef struct { volatile __s64 counter; } atomic64_t; | ||
15 | |||
16 | #define ATOMIC_INIT(i) { (i) } | ||
17 | #define ATOMIC64_INIT(i) { (i) } | ||
18 | |||
19 | #define atomic_read(v) ((v)->counter) | ||
20 | #define atomic64_read(v) ((v)->counter) | ||
21 | |||
22 | #define atomic_set(v, i) (((v)->counter) = i) | ||
23 | #define atomic64_set(v, i) (((v)->counter) = i) | ||
24 | |||
25 | extern void atomic_add(int, atomic_t *); | ||
26 | extern void atomic64_add(int, atomic64_t *); | ||
27 | extern void atomic_sub(int, atomic_t *); | ||
28 | extern void atomic64_sub(int, atomic64_t *); | ||
29 | |||
30 | extern int atomic_add_ret(int, atomic_t *); | ||
31 | extern int atomic64_add_ret(int, atomic64_t *); | ||
32 | extern int atomic_sub_ret(int, atomic_t *); | ||
33 | extern int atomic64_sub_ret(int, atomic64_t *); | ||
34 | |||
35 | #define atomic_dec_return(v) atomic_sub_ret(1, v) | ||
36 | #define atomic64_dec_return(v) atomic64_sub_ret(1, v) | ||
37 | |||
38 | #define atomic_inc_return(v) atomic_add_ret(1, v) | ||
39 | #define atomic64_inc_return(v) atomic64_add_ret(1, v) | ||
40 | |||
41 | #define atomic_sub_return(i, v) atomic_sub_ret(i, v) | ||
42 | #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v) | ||
43 | |||
44 | #define atomic_add_return(i, v) atomic_add_ret(i, v) | ||
45 | #define atomic64_add_return(i, v) atomic64_add_ret(i, v) | ||
46 | |||
47 | /* | ||
48 | * atomic_inc_and_test - increment and test | ||
49 | * @v: pointer of type atomic_t | ||
50 | * | ||
51 | * Atomically increments @v by 1 | ||
52 | * and returns true if the result is zero, or false for all | ||
53 | * other cases. | ||
54 | */ | ||
55 | #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) | ||
56 | #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) | ||
57 | |||
58 | #define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0) | ||
59 | #define atomic64_sub_and_test(i, v) (atomic64_sub_ret(i, v) == 0) | ||
60 | |||
61 | #define atomic_dec_and_test(v) (atomic_sub_ret(1, v) == 0) | ||
62 | #define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0) | ||
63 | |||
64 | #define atomic_inc(v) atomic_add(1, v) | ||
65 | #define atomic64_inc(v) atomic64_add(1, v) | ||
66 | |||
67 | #define atomic_dec(v) atomic_sub(1, v) | ||
68 | #define atomic64_dec(v) atomic64_sub(1, v) | ||
69 | |||
70 | #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0) | ||
71 | #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0) | ||
72 | |||
73 | #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) | ||
74 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
75 | |||
76 | static inline int atomic_add_unless(atomic_t *v, int a, int u) | ||
77 | { | ||
78 | int c, old; | ||
79 | c = atomic_read(v); | ||
80 | for (;;) { | ||
81 | if (unlikely(c == (u))) | ||
82 | break; | ||
83 | old = atomic_cmpxchg((v), c, c + (a)); | ||
84 | if (likely(old == c)) | ||
85 | break; | ||
86 | c = old; | ||
87 | } | ||
88 | return c != (u); | ||
89 | } | ||
90 | |||
91 | #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) | ||
92 | |||
93 | #define atomic64_cmpxchg(v, o, n) \ | ||
94 | ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) | ||
95 | #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) | ||
96 | |||
97 | static inline int atomic64_add_unless(atomic64_t *v, long a, long u) | ||
98 | { | ||
99 | long c, old; | ||
100 | c = atomic64_read(v); | ||
101 | for (;;) { | ||
102 | if (unlikely(c == (u))) | ||
103 | break; | ||
104 | old = atomic64_cmpxchg((v), c, c + (a)); | ||
105 | if (likely(old == c)) | ||
106 | break; | ||
107 | c = old; | ||
108 | } | ||
109 | return c != (u); | ||
110 | } | ||
111 | |||
112 | #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) | ||
113 | |||
114 | /* Atomic operations are already serializing */ | ||
115 | #ifdef CONFIG_SMP | ||
116 | #define smp_mb__before_atomic_dec() membar_storeload_loadload(); | ||
117 | #define smp_mb__after_atomic_dec() membar_storeload_storestore(); | ||
118 | #define smp_mb__before_atomic_inc() membar_storeload_loadload(); | ||
119 | #define smp_mb__after_atomic_inc() membar_storeload_storestore(); | ||
120 | #else | ||
121 | #define smp_mb__before_atomic_dec() barrier() | ||
122 | #define smp_mb__after_atomic_dec() barrier() | ||
123 | #define smp_mb__before_atomic_inc() barrier() | ||
124 | #define smp_mb__after_atomic_inc() barrier() | ||
125 | #endif | ||
126 | |||
127 | #include <asm-generic/atomic.h> | ||
128 | #endif /* !(__ARCH_SPARC64_ATOMIC__) */ | ||
diff --git a/include/asm-sparc/auxio.h b/include/asm-sparc/auxio.h index e552b8d68450..24c6f3c0f577 100644 --- a/include/asm-sparc/auxio.h +++ b/include/asm-sparc/auxio.h | |||
@@ -1,89 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_AUXIO_H |
2 | * auxio.h: Definitions and code for the Auxiliary I/O register. | 2 | #define ___ASM_SPARC_AUXIO_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/auxio_64.h> |
5 | */ | 5 | #else |
6 | #ifndef _SPARC_AUXIO_H | 6 | #include <asm-sparc/auxio_32.h> |
7 | #define _SPARC_AUXIO_H | 7 | #endif |
8 | 8 | #endif | |
9 | #include <asm/system.h> | ||
10 | #include <asm/vaddrs.h> | ||
11 | |||
12 | /* This register is an unsigned char in IO space. It does two things. | ||
13 | * First, it is used to control the front panel LED light on machines | ||
14 | * that have it (good for testing entry points to trap handlers and irq's) | ||
15 | * Secondly, it controls various floppy drive parameters. | ||
16 | */ | ||
17 | #define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */ | ||
18 | #define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */ | ||
19 | #define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */ | ||
20 | #define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */ | ||
21 | #define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */ | ||
22 | #define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */ | ||
23 | #define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */ | ||
24 | |||
25 | /* Set the following to one, then zero, after doing a pseudo DMA transfer. */ | ||
26 | #define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */ | ||
27 | |||
28 | /* Set the following to zero to eject the floppy. */ | ||
29 | #define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */ | ||
30 | #define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */ | ||
31 | |||
32 | #ifndef __ASSEMBLY__ | ||
33 | |||
34 | /* | ||
35 | * NOTE: these routines are implementation dependent-- | ||
36 | * understand the hardware you are querying! | ||
37 | */ | ||
38 | extern void set_auxio(unsigned char bits_on, unsigned char bits_off); | ||
39 | extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */ | ||
40 | |||
41 | /* | ||
42 | * The following routines are provided for driver-compatibility | ||
43 | * with sparc64 (primarily sunlance.c) | ||
44 | */ | ||
45 | |||
46 | #define AUXIO_LTE_ON 1 | ||
47 | #define AUXIO_LTE_OFF 0 | ||
48 | |||
49 | /* auxio_set_lte - Set Link Test Enable (TPE Link Detect) | ||
50 | * | ||
51 | * on - AUXIO_LTE_ON or AUXIO_LTE_OFF | ||
52 | */ | ||
53 | #define auxio_set_lte(on) \ | ||
54 | do { \ | ||
55 | if(on) { \ | ||
56 | set_auxio(AUXIO_LINK_TEST, 0); \ | ||
57 | } else { \ | ||
58 | set_auxio(0, AUXIO_LINK_TEST); \ | ||
59 | } \ | ||
60 | } while (0) | ||
61 | |||
62 | #define AUXIO_LED_ON 1 | ||
63 | #define AUXIO_LED_OFF 0 | ||
64 | |||
65 | /* auxio_set_led - Set system front panel LED | ||
66 | * | ||
67 | * on - AUXIO_LED_ON or AUXIO_LED_OFF | ||
68 | */ | ||
69 | #define auxio_set_led(on) \ | ||
70 | do { \ | ||
71 | if(on) { \ | ||
72 | set_auxio(AUXIO_LED, 0); \ | ||
73 | } else { \ | ||
74 | set_auxio(0, AUXIO_LED); \ | ||
75 | } \ | ||
76 | } while (0) | ||
77 | |||
78 | #endif /* !(__ASSEMBLY__) */ | ||
79 | |||
80 | |||
81 | /* AUXIO2 (Power Off Control) */ | ||
82 | extern __volatile__ unsigned char * auxio_power_register; | ||
83 | |||
84 | #define AUXIO_POWER_DETECT_FAILURE 32 | ||
85 | #define AUXIO_POWER_CLEAR_FAILURE 2 | ||
86 | #define AUXIO_POWER_OFF 1 | ||
87 | |||
88 | |||
89 | #endif /* !(_SPARC_AUXIO_H) */ | ||
diff --git a/include/asm-sparc/auxio_32.h b/include/asm-sparc/auxio_32.h new file mode 100644 index 000000000000..4db8f23db20f --- /dev/null +++ b/include/asm-sparc/auxio_32.h | |||
@@ -0,0 +1,89 @@ | |||
1 | /* | ||
2 | * auxio.h: Definitions and code for the Auxiliary I/O register. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | #ifndef _SPARC_AUXIO_H | ||
7 | #define _SPARC_AUXIO_H | ||
8 | |||
9 | #include <asm/system.h> | ||
10 | #include <asm/vaddrs.h> | ||
11 | |||
12 | /* This register is an unsigned char in IO space. It does two things. | ||
13 | * First, it is used to control the front panel LED light on machines | ||
14 | * that have it (good for testing entry points to trap handlers and irq's) | ||
15 | * Secondly, it controls various floppy drive parameters. | ||
16 | */ | ||
17 | #define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */ | ||
18 | #define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */ | ||
19 | #define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */ | ||
20 | #define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */ | ||
21 | #define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */ | ||
22 | #define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */ | ||
23 | #define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */ | ||
24 | |||
25 | /* Set the following to one, then zero, after doing a pseudo DMA transfer. */ | ||
26 | #define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */ | ||
27 | |||
28 | /* Set the following to zero to eject the floppy. */ | ||
29 | #define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */ | ||
30 | #define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */ | ||
31 | |||
32 | #ifndef __ASSEMBLY__ | ||
33 | |||
34 | /* | ||
35 | * NOTE: these routines are implementation dependent-- | ||
36 | * understand the hardware you are querying! | ||
37 | */ | ||
38 | extern void set_auxio(unsigned char bits_on, unsigned char bits_off); | ||
39 | extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */ | ||
40 | |||
41 | /* | ||
42 | * The following routines are provided for driver-compatibility | ||
43 | * with sparc64 (primarily sunlance.c) | ||
44 | */ | ||
45 | |||
46 | #define AUXIO_LTE_ON 1 | ||
47 | #define AUXIO_LTE_OFF 0 | ||
48 | |||
49 | /* auxio_set_lte - Set Link Test Enable (TPE Link Detect) | ||
50 | * | ||
51 | * on - AUXIO_LTE_ON or AUXIO_LTE_OFF | ||
52 | */ | ||
53 | #define auxio_set_lte(on) \ | ||
54 | do { \ | ||
55 | if(on) { \ | ||
56 | set_auxio(AUXIO_LINK_TEST, 0); \ | ||
57 | } else { \ | ||
58 | set_auxio(0, AUXIO_LINK_TEST); \ | ||
59 | } \ | ||
60 | } while (0) | ||
61 | |||
62 | #define AUXIO_LED_ON 1 | ||
63 | #define AUXIO_LED_OFF 0 | ||
64 | |||
65 | /* auxio_set_led - Set system front panel LED | ||
66 | * | ||
67 | * on - AUXIO_LED_ON or AUXIO_LED_OFF | ||
68 | */ | ||
69 | #define auxio_set_led(on) \ | ||
70 | do { \ | ||
71 | if(on) { \ | ||
72 | set_auxio(AUXIO_LED, 0); \ | ||
73 | } else { \ | ||
74 | set_auxio(0, AUXIO_LED); \ | ||
75 | } \ | ||
76 | } while (0) | ||
77 | |||
78 | #endif /* !(__ASSEMBLY__) */ | ||
79 | |||
80 | |||
81 | /* AUXIO2 (Power Off Control) */ | ||
82 | extern __volatile__ unsigned char * auxio_power_register; | ||
83 | |||
84 | #define AUXIO_POWER_DETECT_FAILURE 32 | ||
85 | #define AUXIO_POWER_CLEAR_FAILURE 2 | ||
86 | #define AUXIO_POWER_OFF 1 | ||
87 | |||
88 | |||
89 | #endif /* !(_SPARC_AUXIO_H) */ | ||
diff --git a/include/asm-sparc/auxio_64.h b/include/asm-sparc/auxio_64.h new file mode 100644 index 000000000000..f61cd1e3e395 --- /dev/null +++ b/include/asm-sparc/auxio_64.h | |||
@@ -0,0 +1,100 @@ | |||
1 | /* | ||
2 | * auxio.h: Definitions and code for the Auxiliary I/O registers. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * | ||
6 | * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net) | ||
7 | */ | ||
8 | #ifndef _SPARC64_AUXIO_H | ||
9 | #define _SPARC64_AUXIO_H | ||
10 | |||
11 | /* AUXIO implementations: | ||
12 | * sbus-based NCR89C105 "Slavio" | ||
13 | * LED/Floppy (AUX1) register | ||
14 | * Power (AUX2) register | ||
15 | * | ||
16 | * ebus-based auxio on PCIO | ||
17 | * LED Auxio Register | ||
18 | * Power Auxio Register | ||
19 | * | ||
20 | * Register definitions from NCR _NCR89C105 Chip Specification_ | ||
21 | * | ||
22 | * SLAVIO AUX1 @ 0x1900000 | ||
23 | * ------------------------------------------------- | ||
24 | * | (R) | (R) | D | (R) | E | M | T | L | | ||
25 | * ------------------------------------------------- | ||
26 | * (R) - bit 7:6,4 are reserved and should be masked in s/w | ||
27 | * D - Floppy Density Sense (1=high density) R/O | ||
28 | * E - Link Test Enable, directly reflected on AT&T 7213 LTE pin | ||
29 | * M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin | ||
30 | * T - Terminal Count: sends TC pulse to 82077 floppy controller | ||
31 | * L - System LED on front panel (0=off, 1=on) | ||
32 | */ | ||
33 | #define AUXIO_AUX1_MASK 0xc0 /* Mask bits */ | ||
34 | #define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */ | ||
35 | #define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */ | ||
36 | #define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */ | ||
37 | #define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */ | ||
38 | #define AUXIO_AUX1_LED 0x01 /* System LED */ | ||
39 | |||
40 | /* SLAVIO AUX2 @ 0x1910000 | ||
41 | * ------------------------------------------------- | ||
42 | * | (R) | (R) | D | (R) | (R) | (R) | C | F | | ||
43 | * ------------------------------------------------- | ||
44 | * (R) - bits 7:6,4:2 are reserved and should be masked in s/w | ||
45 | * D - Power Failure Detect (1=power fail) | ||
46 | * C - Clear Power Failure Detect Int (1=clear) | ||
47 | * F - Power Off (1=power off) | ||
48 | */ | ||
49 | #define AUXIO_AUX2_MASK 0xdc /* Mask Bits */ | ||
50 | #define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */ | ||
51 | #define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */ | ||
52 | #define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */ | ||
53 | |||
54 | /* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837 | ||
55 | * | ||
56 | * PCIO LED Auxio @ 0x726000 | ||
57 | * ------------------------------------------------- | ||
58 | * | 31:1 Unused | LED | | ||
59 | * ------------------------------------------------- | ||
60 | * Bits 31:1 unused | ||
61 | * LED - System LED on front panel (0=off, 1=on) | ||
62 | */ | ||
63 | #define AUXIO_PCIO_LED 0x01 /* System LED */ | ||
64 | |||
65 | /* PCIO Power Auxio @ 0x724000 | ||
66 | * ------------------------------------------------- | ||
67 | * | 31:2 Unused | CPO | SPO | | ||
68 | * ------------------------------------------------- | ||
69 | * Bits 31:2 unused | ||
70 | * CPO - Courtesy Power Off (1=off) | ||
71 | * SPO - System Power Off (1=off) | ||
72 | */ | ||
73 | #define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */ | ||
74 | #define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */ | ||
75 | |||
76 | #ifndef __ASSEMBLY__ | ||
77 | |||
78 | extern void __iomem *auxio_register; | ||
79 | |||
80 | #define AUXIO_LTE_ON 1 | ||
81 | #define AUXIO_LTE_OFF 0 | ||
82 | |||
83 | /* auxio_set_lte - Set Link Test Enable (TPE Link Detect) | ||
84 | * | ||
85 | * on - AUXIO_LTE_ON or AUXIO_LTE_OFF | ||
86 | */ | ||
87 | extern void auxio_set_lte(int on); | ||
88 | |||
89 | #define AUXIO_LED_ON 1 | ||
90 | #define AUXIO_LED_OFF 0 | ||
91 | |||
92 | /* auxio_set_led - Set system front panel LED | ||
93 | * | ||
94 | * on - AUXIO_LED_ON or AUXIO_LED_OFF | ||
95 | */ | ||
96 | extern void auxio_set_led(int on); | ||
97 | |||
98 | #endif /* ifndef __ASSEMBLY__ */ | ||
99 | |||
100 | #endif /* !(_SPARC64_AUXIO_H) */ | ||
diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index 68b98a7e6454..1a2949d0193f 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h | |||
@@ -1,111 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_BITOPS_H |
2 | * bitops.h: Bit string operations on the Sparc. | 2 | #define ___ASM_SPARC_BITOPS_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/bitops_64.h> |
5 | * Copyright 1996 Eddie C. Dost (ecd@skynet.be) | 5 | #else |
6 | * Copyright 2001 Anton Blanchard (anton@samba.org) | 6 | #include <asm-sparc/bitops_32.h> |
7 | */ | 7 | #endif |
8 | |||
9 | #ifndef _SPARC_BITOPS_H | ||
10 | #define _SPARC_BITOPS_H | ||
11 | |||
12 | #include <linux/compiler.h> | ||
13 | #include <asm/byteorder.h> | ||
14 | |||
15 | #ifdef __KERNEL__ | ||
16 | |||
17 | #ifndef _LINUX_BITOPS_H | ||
18 | #error only <linux/bitops.h> can be included directly | ||
19 | #endif | 8 | #endif |
20 | |||
21 | extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); | ||
22 | extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); | ||
23 | extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); | ||
24 | |||
25 | /* | ||
26 | * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' | ||
27 | * is in the highest of the four bytes and bit '31' is the high bit | ||
28 | * within the first byte. Sparc is BIG-Endian. Unless noted otherwise | ||
29 | * all bit-ops return 0 if bit was previously clear and != 0 otherwise. | ||
30 | */ | ||
31 | static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) | ||
32 | { | ||
33 | unsigned long *ADDR, mask; | ||
34 | |||
35 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
36 | mask = 1 << (nr & 31); | ||
37 | |||
38 | return ___set_bit(ADDR, mask) != 0; | ||
39 | } | ||
40 | |||
41 | static inline void set_bit(unsigned long nr, volatile unsigned long *addr) | ||
42 | { | ||
43 | unsigned long *ADDR, mask; | ||
44 | |||
45 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
46 | mask = 1 << (nr & 31); | ||
47 | |||
48 | (void) ___set_bit(ADDR, mask); | ||
49 | } | ||
50 | |||
51 | static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) | ||
52 | { | ||
53 | unsigned long *ADDR, mask; | ||
54 | |||
55 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
56 | mask = 1 << (nr & 31); | ||
57 | |||
58 | return ___clear_bit(ADDR, mask) != 0; | ||
59 | } | ||
60 | |||
61 | static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) | ||
62 | { | ||
63 | unsigned long *ADDR, mask; | ||
64 | |||
65 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
66 | mask = 1 << (nr & 31); | ||
67 | |||
68 | (void) ___clear_bit(ADDR, mask); | ||
69 | } | ||
70 | |||
71 | static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) | ||
72 | { | ||
73 | unsigned long *ADDR, mask; | ||
74 | |||
75 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
76 | mask = 1 << (nr & 31); | ||
77 | |||
78 | return ___change_bit(ADDR, mask) != 0; | ||
79 | } | ||
80 | |||
81 | static inline void change_bit(unsigned long nr, volatile unsigned long *addr) | ||
82 | { | ||
83 | unsigned long *ADDR, mask; | ||
84 | |||
85 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
86 | mask = 1 << (nr & 31); | ||
87 | |||
88 | (void) ___change_bit(ADDR, mask); | ||
89 | } | ||
90 | |||
91 | #include <asm-generic/bitops/non-atomic.h> | ||
92 | |||
93 | #define smp_mb__before_clear_bit() do { } while(0) | ||
94 | #define smp_mb__after_clear_bit() do { } while(0) | ||
95 | |||
96 | #include <asm-generic/bitops/ffz.h> | ||
97 | #include <asm-generic/bitops/__ffs.h> | ||
98 | #include <asm-generic/bitops/sched.h> | ||
99 | #include <asm-generic/bitops/ffs.h> | ||
100 | #include <asm-generic/bitops/fls.h> | ||
101 | #include <asm-generic/bitops/fls64.h> | ||
102 | #include <asm-generic/bitops/hweight.h> | ||
103 | #include <asm-generic/bitops/lock.h> | ||
104 | #include <asm-generic/bitops/find.h> | ||
105 | #include <asm-generic/bitops/ext2-non-atomic.h> | ||
106 | #include <asm-generic/bitops/ext2-atomic.h> | ||
107 | #include <asm-generic/bitops/minix.h> | ||
108 | |||
109 | #endif /* __KERNEL__ */ | ||
110 | |||
111 | #endif /* defined(_SPARC_BITOPS_H) */ | ||
diff --git a/include/asm-sparc/bitops_32.h b/include/asm-sparc/bitops_32.h new file mode 100644 index 000000000000..68b98a7e6454 --- /dev/null +++ b/include/asm-sparc/bitops_32.h | |||
@@ -0,0 +1,111 @@ | |||
1 | /* | ||
2 | * bitops.h: Bit string operations on the Sparc. | ||
3 | * | ||
4 | * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright 1996 Eddie C. Dost (ecd@skynet.be) | ||
6 | * Copyright 2001 Anton Blanchard (anton@samba.org) | ||
7 | */ | ||
8 | |||
9 | #ifndef _SPARC_BITOPS_H | ||
10 | #define _SPARC_BITOPS_H | ||
11 | |||
12 | #include <linux/compiler.h> | ||
13 | #include <asm/byteorder.h> | ||
14 | |||
15 | #ifdef __KERNEL__ | ||
16 | |||
17 | #ifndef _LINUX_BITOPS_H | ||
18 | #error only <linux/bitops.h> can be included directly | ||
19 | #endif | ||
20 | |||
21 | extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); | ||
22 | extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); | ||
23 | extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); | ||
24 | |||
25 | /* | ||
26 | * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' | ||
27 | * is in the highest of the four bytes and bit '31' is the high bit | ||
28 | * within the first byte. Sparc is BIG-Endian. Unless noted otherwise | ||
29 | * all bit-ops return 0 if bit was previously clear and != 0 otherwise. | ||
30 | */ | ||
31 | static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) | ||
32 | { | ||
33 | unsigned long *ADDR, mask; | ||
34 | |||
35 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
36 | mask = 1 << (nr & 31); | ||
37 | |||
38 | return ___set_bit(ADDR, mask) != 0; | ||
39 | } | ||
40 | |||
41 | static inline void set_bit(unsigned long nr, volatile unsigned long *addr) | ||
42 | { | ||
43 | unsigned long *ADDR, mask; | ||
44 | |||
45 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
46 | mask = 1 << (nr & 31); | ||
47 | |||
48 | (void) ___set_bit(ADDR, mask); | ||
49 | } | ||
50 | |||
51 | static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) | ||
52 | { | ||
53 | unsigned long *ADDR, mask; | ||
54 | |||
55 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
56 | mask = 1 << (nr & 31); | ||
57 | |||
58 | return ___clear_bit(ADDR, mask) != 0; | ||
59 | } | ||
60 | |||
61 | static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) | ||
62 | { | ||
63 | unsigned long *ADDR, mask; | ||
64 | |||
65 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
66 | mask = 1 << (nr & 31); | ||
67 | |||
68 | (void) ___clear_bit(ADDR, mask); | ||
69 | } | ||
70 | |||
71 | static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) | ||
72 | { | ||
73 | unsigned long *ADDR, mask; | ||
74 | |||
75 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
76 | mask = 1 << (nr & 31); | ||
77 | |||
78 | return ___change_bit(ADDR, mask) != 0; | ||
79 | } | ||
80 | |||
81 | static inline void change_bit(unsigned long nr, volatile unsigned long *addr) | ||
82 | { | ||
83 | unsigned long *ADDR, mask; | ||
84 | |||
85 | ADDR = ((unsigned long *) addr) + (nr >> 5); | ||
86 | mask = 1 << (nr & 31); | ||
87 | |||
88 | (void) ___change_bit(ADDR, mask); | ||
89 | } | ||
90 | |||
91 | #include <asm-generic/bitops/non-atomic.h> | ||
92 | |||
93 | #define smp_mb__before_clear_bit() do { } while(0) | ||
94 | #define smp_mb__after_clear_bit() do { } while(0) | ||
95 | |||
96 | #include <asm-generic/bitops/ffz.h> | ||
97 | #include <asm-generic/bitops/__ffs.h> | ||
98 | #include <asm-generic/bitops/sched.h> | ||
99 | #include <asm-generic/bitops/ffs.h> | ||
100 | #include <asm-generic/bitops/fls.h> | ||
101 | #include <asm-generic/bitops/fls64.h> | ||
102 | #include <asm-generic/bitops/hweight.h> | ||
103 | #include <asm-generic/bitops/lock.h> | ||
104 | #include <asm-generic/bitops/find.h> | ||
105 | #include <asm-generic/bitops/ext2-non-atomic.h> | ||
106 | #include <asm-generic/bitops/ext2-atomic.h> | ||
107 | #include <asm-generic/bitops/minix.h> | ||
108 | |||
109 | #endif /* __KERNEL__ */ | ||
110 | |||
111 | #endif /* defined(_SPARC_BITOPS_H) */ | ||
diff --git a/include/asm-sparc/bitops_64.h b/include/asm-sparc/bitops_64.h new file mode 100644 index 000000000000..bb87b8080220 --- /dev/null +++ b/include/asm-sparc/bitops_64.h | |||
@@ -0,0 +1,107 @@ | |||
1 | /* | ||
2 | * bitops.h: Bit string operations on the V9. | ||
3 | * | ||
4 | * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_BITOPS_H | ||
8 | #define _SPARC64_BITOPS_H | ||
9 | |||
10 | #ifndef _LINUX_BITOPS_H | ||
11 | #error only <linux/bitops.h> can be included directly | ||
12 | #endif | ||
13 | |||
14 | #include <linux/compiler.h> | ||
15 | #include <asm/byteorder.h> | ||
16 | |||
17 | extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); | ||
18 | extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); | ||
19 | extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); | ||
20 | extern void set_bit(unsigned long nr, volatile unsigned long *addr); | ||
21 | extern void clear_bit(unsigned long nr, volatile unsigned long *addr); | ||
22 | extern void change_bit(unsigned long nr, volatile unsigned long *addr); | ||
23 | |||
24 | #include <asm-generic/bitops/non-atomic.h> | ||
25 | |||
26 | #ifdef CONFIG_SMP | ||
27 | #define smp_mb__before_clear_bit() membar_storeload_loadload() | ||
28 | #define smp_mb__after_clear_bit() membar_storeload_storestore() | ||
29 | #else | ||
30 | #define smp_mb__before_clear_bit() barrier() | ||
31 | #define smp_mb__after_clear_bit() barrier() | ||
32 | #endif | ||
33 | |||
34 | #include <asm-generic/bitops/ffz.h> | ||
35 | #include <asm-generic/bitops/__ffs.h> | ||
36 | #include <asm-generic/bitops/fls.h> | ||
37 | #include <asm-generic/bitops/__fls.h> | ||
38 | #include <asm-generic/bitops/fls64.h> | ||
39 | |||
40 | #ifdef __KERNEL__ | ||
41 | |||
42 | #include <asm-generic/bitops/sched.h> | ||
43 | #include <asm-generic/bitops/ffs.h> | ||
44 | |||
45 | /* | ||
46 | * hweightN: returns the hamming weight (i.e. the number | ||
47 | * of bits set) of a N-bit word | ||
48 | */ | ||
49 | |||
50 | #ifdef ULTRA_HAS_POPULATION_COUNT | ||
51 | |||
52 | static inline unsigned int hweight64(unsigned long w) | ||
53 | { | ||
54 | unsigned int res; | ||
55 | |||
56 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w)); | ||
57 | return res; | ||
58 | } | ||
59 | |||
60 | static inline unsigned int hweight32(unsigned int w) | ||
61 | { | ||
62 | unsigned int res; | ||
63 | |||
64 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff)); | ||
65 | return res; | ||
66 | } | ||
67 | |||
68 | static inline unsigned int hweight16(unsigned int w) | ||
69 | { | ||
70 | unsigned int res; | ||
71 | |||
72 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff)); | ||
73 | return res; | ||
74 | } | ||
75 | |||
76 | static inline unsigned int hweight8(unsigned int w) | ||
77 | { | ||
78 | unsigned int res; | ||
79 | |||
80 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xff)); | ||
81 | return res; | ||
82 | } | ||
83 | |||
84 | #else | ||
85 | |||
86 | #include <asm-generic/bitops/hweight.h> | ||
87 | |||
88 | #endif | ||
89 | #include <asm-generic/bitops/lock.h> | ||
90 | #endif /* __KERNEL__ */ | ||
91 | |||
92 | #include <asm-generic/bitops/find.h> | ||
93 | |||
94 | #ifdef __KERNEL__ | ||
95 | |||
96 | #include <asm-generic/bitops/ext2-non-atomic.h> | ||
97 | |||
98 | #define ext2_set_bit_atomic(lock,nr,addr) \ | ||
99 | test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr)) | ||
100 | #define ext2_clear_bit_atomic(lock,nr,addr) \ | ||
101 | test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr)) | ||
102 | |||
103 | #include <asm-generic/bitops/minix.h> | ||
104 | |||
105 | #endif /* __KERNEL__ */ | ||
106 | |||
107 | #endif /* defined(_SPARC64_BITOPS_H) */ | ||
diff --git a/include/asm-sparc/cacheflush.h b/include/asm-sparc/cacheflush.h index 68ac10910271..2b6a37957c2d 100644 --- a/include/asm-sparc/cacheflush.h +++ b/include/asm-sparc/cacheflush.h | |||
@@ -1,85 +1,8 @@ | |||
1 | #ifndef _SPARC_CACHEFLUSH_H | 1 | #ifndef ___ASM_SPARC_CACHEFLUSH_H |
2 | #define _SPARC_CACHEFLUSH_H | 2 | #define ___ASM_SPARC_CACHEFLUSH_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/mm.h> /* Common for other includes */ | 4 | #include <asm-sparc/cacheflush_64.h> |
5 | // #include <linux/kernel.h> from pgalloc.h | 5 | #else |
6 | // #include <linux/sched.h> from pgalloc.h | 6 | #include <asm-sparc/cacheflush_32.h> |
7 | 7 | #endif | |
8 | // #include <asm/page.h> | 8 | #endif |
9 | #include <asm/btfixup.h> | ||
10 | |||
11 | /* | ||
12 | * Fine grained cache flushing. | ||
13 | */ | ||
14 | #ifdef CONFIG_SMP | ||
15 | |||
16 | BTFIXUPDEF_CALL(void, local_flush_cache_all, void) | ||
17 | BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) | ||
18 | BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
19 | BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) | ||
20 | |||
21 | #define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() | ||
22 | #define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) | ||
23 | #define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end) | ||
24 | #define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) | ||
25 | |||
26 | BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) | ||
27 | BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) | ||
28 | |||
29 | #define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) | ||
30 | #define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) | ||
31 | |||
32 | extern void smp_flush_cache_all(void); | ||
33 | extern void smp_flush_cache_mm(struct mm_struct *mm); | ||
34 | extern void smp_flush_cache_range(struct vm_area_struct *vma, | ||
35 | unsigned long start, | ||
36 | unsigned long end); | ||
37 | extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); | ||
38 | |||
39 | extern void smp_flush_page_to_ram(unsigned long page); | ||
40 | extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); | ||
41 | |||
42 | #endif /* CONFIG_SMP */ | ||
43 | |||
44 | BTFIXUPDEF_CALL(void, flush_cache_all, void) | ||
45 | BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) | ||
46 | BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
47 | BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) | ||
48 | |||
49 | #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() | ||
50 | #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) | ||
51 | #define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) | ||
52 | #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end) | ||
53 | #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr) | ||
54 | #define flush_icache_range(start, end) do { } while (0) | ||
55 | #define flush_icache_page(vma, pg) do { } while (0) | ||
56 | |||
57 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
58 | |||
59 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
60 | do { \ | ||
61 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
62 | memcpy(dst, src, len); \ | ||
63 | } while (0) | ||
64 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
65 | do { \ | ||
66 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
67 | memcpy(dst, src, len); \ | ||
68 | } while (0) | ||
69 | |||
70 | BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) | ||
71 | BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) | ||
72 | |||
73 | #define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr) | ||
74 | #define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr) | ||
75 | |||
76 | extern void sparc_flush_page_to_ram(struct page *page); | ||
77 | |||
78 | #define flush_dcache_page(page) sparc_flush_page_to_ram(page) | ||
79 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
80 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
81 | |||
82 | #define flush_cache_vmap(start, end) flush_cache_all() | ||
83 | #define flush_cache_vunmap(start, end) flush_cache_all() | ||
84 | |||
85 | #endif /* _SPARC_CACHEFLUSH_H */ | ||
diff --git a/include/asm-sparc/cacheflush_32.h b/include/asm-sparc/cacheflush_32.h new file mode 100644 index 000000000000..68ac10910271 --- /dev/null +++ b/include/asm-sparc/cacheflush_32.h | |||
@@ -0,0 +1,85 @@ | |||
1 | #ifndef _SPARC_CACHEFLUSH_H | ||
2 | #define _SPARC_CACHEFLUSH_H | ||
3 | |||
4 | #include <linux/mm.h> /* Common for other includes */ | ||
5 | // #include <linux/kernel.h> from pgalloc.h | ||
6 | // #include <linux/sched.h> from pgalloc.h | ||
7 | |||
8 | // #include <asm/page.h> | ||
9 | #include <asm/btfixup.h> | ||
10 | |||
11 | /* | ||
12 | * Fine grained cache flushing. | ||
13 | */ | ||
14 | #ifdef CONFIG_SMP | ||
15 | |||
16 | BTFIXUPDEF_CALL(void, local_flush_cache_all, void) | ||
17 | BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) | ||
18 | BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
19 | BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) | ||
20 | |||
21 | #define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() | ||
22 | #define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) | ||
23 | #define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end) | ||
24 | #define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) | ||
25 | |||
26 | BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) | ||
27 | BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) | ||
28 | |||
29 | #define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) | ||
30 | #define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) | ||
31 | |||
32 | extern void smp_flush_cache_all(void); | ||
33 | extern void smp_flush_cache_mm(struct mm_struct *mm); | ||
34 | extern void smp_flush_cache_range(struct vm_area_struct *vma, | ||
35 | unsigned long start, | ||
36 | unsigned long end); | ||
37 | extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); | ||
38 | |||
39 | extern void smp_flush_page_to_ram(unsigned long page); | ||
40 | extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); | ||
41 | |||
42 | #endif /* CONFIG_SMP */ | ||
43 | |||
44 | BTFIXUPDEF_CALL(void, flush_cache_all, void) | ||
45 | BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) | ||
46 | BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
47 | BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) | ||
48 | |||
49 | #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() | ||
50 | #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) | ||
51 | #define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) | ||
52 | #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end) | ||
53 | #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr) | ||
54 | #define flush_icache_range(start, end) do { } while (0) | ||
55 | #define flush_icache_page(vma, pg) do { } while (0) | ||
56 | |||
57 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
58 | |||
59 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
60 | do { \ | ||
61 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
62 | memcpy(dst, src, len); \ | ||
63 | } while (0) | ||
64 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
65 | do { \ | ||
66 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
67 | memcpy(dst, src, len); \ | ||
68 | } while (0) | ||
69 | |||
70 | BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) | ||
71 | BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) | ||
72 | |||
73 | #define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr) | ||
74 | #define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr) | ||
75 | |||
76 | extern void sparc_flush_page_to_ram(struct page *page); | ||
77 | |||
78 | #define flush_dcache_page(page) sparc_flush_page_to_ram(page) | ||
79 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
80 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
81 | |||
82 | #define flush_cache_vmap(start, end) flush_cache_all() | ||
83 | #define flush_cache_vunmap(start, end) flush_cache_all() | ||
84 | |||
85 | #endif /* _SPARC_CACHEFLUSH_H */ | ||
diff --git a/include/asm-sparc/cacheflush_64.h b/include/asm-sparc/cacheflush_64.h new file mode 100644 index 000000000000..c43321729b3b --- /dev/null +++ b/include/asm-sparc/cacheflush_64.h | |||
@@ -0,0 +1,76 @@ | |||
1 | #ifndef _SPARC64_CACHEFLUSH_H | ||
2 | #define _SPARC64_CACHEFLUSH_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <linux/mm.h> | ||
9 | |||
10 | /* Cache flush operations. */ | ||
11 | |||
12 | /* These are the same regardless of whether this is an SMP kernel or not. */ | ||
13 | #define flush_cache_mm(__mm) \ | ||
14 | do { if ((__mm) == current->mm) flushw_user(); } while(0) | ||
15 | #define flush_cache_dup_mm(mm) flush_cache_mm(mm) | ||
16 | #define flush_cache_range(vma, start, end) \ | ||
17 | flush_cache_mm((vma)->vm_mm) | ||
18 | #define flush_cache_page(vma, page, pfn) \ | ||
19 | flush_cache_mm((vma)->vm_mm) | ||
20 | |||
21 | /* | ||
22 | * On spitfire, the icache doesn't snoop local stores and we don't | ||
23 | * use block commit stores (which invalidate icache lines) during | ||
24 | * module load, so we need this. | ||
25 | */ | ||
26 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
27 | extern void __flush_icache_page(unsigned long); | ||
28 | |||
29 | extern void __flush_dcache_page(void *addr, int flush_icache); | ||
30 | extern void flush_dcache_page_impl(struct page *page); | ||
31 | #ifdef CONFIG_SMP | ||
32 | extern void smp_flush_dcache_page_impl(struct page *page, int cpu); | ||
33 | extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page); | ||
34 | #else | ||
35 | #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page) | ||
36 | #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page) | ||
37 | #endif | ||
38 | |||
39 | extern void __flush_dcache_range(unsigned long start, unsigned long end); | ||
40 | extern void flush_dcache_page(struct page *page); | ||
41 | |||
42 | #define flush_icache_page(vma, pg) do { } while(0) | ||
43 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
44 | |||
45 | extern void flush_ptrace_access(struct vm_area_struct *, struct page *, | ||
46 | unsigned long uaddr, void *kaddr, | ||
47 | unsigned long len, int write); | ||
48 | |||
49 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
50 | do { \ | ||
51 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
52 | memcpy(dst, src, len); \ | ||
53 | flush_ptrace_access(vma, page, vaddr, src, len, 0); \ | ||
54 | } while (0) | ||
55 | |||
56 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
57 | do { \ | ||
58 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
59 | memcpy(dst, src, len); \ | ||
60 | flush_ptrace_access(vma, page, vaddr, dst, len, 1); \ | ||
61 | } while (0) | ||
62 | |||
63 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
64 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
65 | |||
66 | #define flush_cache_vmap(start, end) do { } while (0) | ||
67 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
68 | |||
69 | #ifdef CONFIG_DEBUG_PAGEALLOC | ||
70 | /* internal debugging function */ | ||
71 | void kernel_map_pages(struct page *page, int numpages, int enable); | ||
72 | #endif | ||
73 | |||
74 | #endif /* !__ASSEMBLY__ */ | ||
75 | |||
76 | #endif /* _SPARC64_CACHEFLUSH_H */ | ||
diff --git a/include/asm-sparc/checksum.h b/include/asm-sparc/checksum.h index d044ddb5a3cf..4e3553d4f6e1 100644 --- a/include/asm-sparc/checksum.h +++ b/include/asm-sparc/checksum.h | |||
@@ -1,241 +1,8 @@ | |||
1 | #ifndef __SPARC_CHECKSUM_H | 1 | #ifndef ___ASM_SPARC_CHECKSUM_H |
2 | #define __SPARC_CHECKSUM_H | 2 | #define ___ASM_SPARC_CHECKSUM_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* checksum.h: IP/UDP/TCP checksum routines on the Sparc. | 4 | #include <asm-sparc/checksum_64.h> |
5 | * | 5 | #else |
6 | * Copyright(C) 1995 Linus Torvalds | 6 | #include <asm-sparc/checksum_32.h> |
7 | * Copyright(C) 1995 Miguel de Icaza | 7 | #endif |
8 | * Copyright(C) 1996 David S. Miller | 8 | #endif |
9 | * Copyright(C) 1996 Eddie C. Dost | ||
10 | * Copyright(C) 1997 Jakub Jelinek | ||
11 | * | ||
12 | * derived from: | ||
13 | * Alpha checksum c-code | ||
14 | * ix86 inline assembly | ||
15 | * RFC1071 Computing the Internet Checksum | ||
16 | */ | ||
17 | |||
18 | #include <linux/in6.h> | ||
19 | #include <asm/uaccess.h> | ||
20 | |||
21 | /* computes the checksum of a memory block at buff, length len, | ||
22 | * and adds in "sum" (32-bit) | ||
23 | * | ||
24 | * returns a 32-bit number suitable for feeding into itself | ||
25 | * or csum_tcpudp_magic | ||
26 | * | ||
27 | * this function must be called with even lengths, except | ||
28 | * for the last fragment, which may be odd | ||
29 | * | ||
30 | * it's best to have buff aligned on a 32-bit boundary | ||
31 | */ | ||
32 | extern __wsum csum_partial(const void *buff, int len, __wsum sum); | ||
33 | |||
34 | /* the same as csum_partial, but copies from fs:src while it | ||
35 | * checksums | ||
36 | * | ||
37 | * here even more important to align src and dst on a 32-bit (or even | ||
38 | * better 64-bit) boundary | ||
39 | */ | ||
40 | |||
41 | extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *); | ||
42 | |||
43 | static inline __wsum | ||
44 | csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) | ||
45 | { | ||
46 | register unsigned int ret asm("o0") = (unsigned int)src; | ||
47 | register char *d asm("o1") = dst; | ||
48 | register int l asm("g1") = len; | ||
49 | |||
50 | __asm__ __volatile__ ( | ||
51 | "call __csum_partial_copy_sparc_generic\n\t" | ||
52 | " mov %6, %%g7\n" | ||
53 | : "=&r" (ret), "=&r" (d), "=&r" (l) | ||
54 | : "0" (ret), "1" (d), "2" (l), "r" (sum) | ||
55 | : "o2", "o3", "o4", "o5", "o7", | ||
56 | "g2", "g3", "g4", "g5", "g7", | ||
57 | "memory", "cc"); | ||
58 | return (__force __wsum)ret; | ||
59 | } | ||
60 | |||
61 | static inline __wsum | ||
62 | csum_partial_copy_from_user(const void __user *src, void *dst, int len, | ||
63 | __wsum sum, int *err) | ||
64 | { | ||
65 | register unsigned long ret asm("o0") = (unsigned long)src; | ||
66 | register char *d asm("o1") = dst; | ||
67 | register int l asm("g1") = len; | ||
68 | register __wsum s asm("g7") = sum; | ||
69 | |||
70 | __asm__ __volatile__ ( | ||
71 | ".section __ex_table,#alloc\n\t" | ||
72 | ".align 4\n\t" | ||
73 | ".word 1f,2\n\t" | ||
74 | ".previous\n" | ||
75 | "1:\n\t" | ||
76 | "call __csum_partial_copy_sparc_generic\n\t" | ||
77 | " st %8, [%%sp + 64]\n" | ||
78 | : "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s) | ||
79 | : "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err) | ||
80 | : "o2", "o3", "o4", "o5", "o7", "g2", "g3", "g4", "g5", | ||
81 | "cc", "memory"); | ||
82 | return (__force __wsum)ret; | ||
83 | } | ||
84 | |||
85 | static inline __wsum | ||
86 | csum_partial_copy_to_user(const void *src, void __user *dst, int len, | ||
87 | __wsum sum, int *err) | ||
88 | { | ||
89 | if (!access_ok (VERIFY_WRITE, dst, len)) { | ||
90 | *err = -EFAULT; | ||
91 | return sum; | ||
92 | } else { | ||
93 | register unsigned long ret asm("o0") = (unsigned long)src; | ||
94 | register char __user *d asm("o1") = dst; | ||
95 | register int l asm("g1") = len; | ||
96 | register __wsum s asm("g7") = sum; | ||
97 | |||
98 | __asm__ __volatile__ ( | ||
99 | ".section __ex_table,#alloc\n\t" | ||
100 | ".align 4\n\t" | ||
101 | ".word 1f,1\n\t" | ||
102 | ".previous\n" | ||
103 | "1:\n\t" | ||
104 | "call __csum_partial_copy_sparc_generic\n\t" | ||
105 | " st %8, [%%sp + 64]\n" | ||
106 | : "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s) | ||
107 | : "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err) | ||
108 | : "o2", "o3", "o4", "o5", "o7", | ||
109 | "g2", "g3", "g4", "g5", | ||
110 | "cc", "memory"); | ||
111 | return (__force __wsum)ret; | ||
112 | } | ||
113 | } | ||
114 | |||
115 | #define HAVE_CSUM_COPY_USER | ||
116 | #define csum_and_copy_to_user csum_partial_copy_to_user | ||
117 | |||
118 | /* ihl is always 5 or greater, almost always is 5, and iph is word aligned | ||
119 | * the majority of the time. | ||
120 | */ | ||
121 | static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) | ||
122 | { | ||
123 | __sum16 sum; | ||
124 | |||
125 | /* Note: We must read %2 before we touch %0 for the first time, | ||
126 | * because GCC can legitimately use the same register for | ||
127 | * both operands. | ||
128 | */ | ||
129 | __asm__ __volatile__("sub\t%2, 4, %%g4\n\t" | ||
130 | "ld\t[%1 + 0x00], %0\n\t" | ||
131 | "ld\t[%1 + 0x04], %%g2\n\t" | ||
132 | "ld\t[%1 + 0x08], %%g3\n\t" | ||
133 | "addcc\t%%g2, %0, %0\n\t" | ||
134 | "addxcc\t%%g3, %0, %0\n\t" | ||
135 | "ld\t[%1 + 0x0c], %%g2\n\t" | ||
136 | "ld\t[%1 + 0x10], %%g3\n\t" | ||
137 | "addxcc\t%%g2, %0, %0\n\t" | ||
138 | "addx\t%0, %%g0, %0\n" | ||
139 | "1:\taddcc\t%%g3, %0, %0\n\t" | ||
140 | "add\t%1, 4, %1\n\t" | ||
141 | "addxcc\t%0, %%g0, %0\n\t" | ||
142 | "subcc\t%%g4, 1, %%g4\n\t" | ||
143 | "be,a\t2f\n\t" | ||
144 | "sll\t%0, 16, %%g2\n\t" | ||
145 | "b\t1b\n\t" | ||
146 | "ld\t[%1 + 0x10], %%g3\n" | ||
147 | "2:\taddcc\t%0, %%g2, %%g2\n\t" | ||
148 | "srl\t%%g2, 16, %0\n\t" | ||
149 | "addx\t%0, %%g0, %0\n\t" | ||
150 | "xnor\t%%g0, %0, %0" | ||
151 | : "=r" (sum), "=&r" (iph) | ||
152 | : "r" (ihl), "1" (iph) | ||
153 | : "g2", "g3", "g4", "cc", "memory"); | ||
154 | return sum; | ||
155 | } | ||
156 | |||
157 | /* Fold a partial checksum without adding pseudo headers. */ | ||
158 | static inline __sum16 csum_fold(__wsum sum) | ||
159 | { | ||
160 | unsigned int tmp; | ||
161 | |||
162 | __asm__ __volatile__("addcc\t%0, %1, %1\n\t" | ||
163 | "srl\t%1, 16, %1\n\t" | ||
164 | "addx\t%1, %%g0, %1\n\t" | ||
165 | "xnor\t%%g0, %1, %0" | ||
166 | : "=&r" (sum), "=r" (tmp) | ||
167 | : "0" (sum), "1" ((__force u32)sum<<16) | ||
168 | : "cc"); | ||
169 | return (__force __sum16)sum; | ||
170 | } | ||
171 | |||
172 | static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, | ||
173 | unsigned short len, | ||
174 | unsigned short proto, | ||
175 | __wsum sum) | ||
176 | { | ||
177 | __asm__ __volatile__("addcc\t%1, %0, %0\n\t" | ||
178 | "addxcc\t%2, %0, %0\n\t" | ||
179 | "addxcc\t%3, %0, %0\n\t" | ||
180 | "addx\t%0, %%g0, %0\n\t" | ||
181 | : "=r" (sum), "=r" (saddr) | ||
182 | : "r" (daddr), "r" (proto + len), "0" (sum), | ||
183 | "1" (saddr) | ||
184 | : "cc"); | ||
185 | return sum; | ||
186 | } | ||
187 | |||
188 | /* | ||
189 | * computes the checksum of the TCP/UDP pseudo-header | ||
190 | * returns a 16-bit checksum, already complemented | ||
191 | */ | ||
192 | static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, | ||
193 | unsigned short len, | ||
194 | unsigned short proto, | ||
195 | __wsum sum) | ||
196 | { | ||
197 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | ||
198 | } | ||
199 | |||
200 | #define _HAVE_ARCH_IPV6_CSUM | ||
201 | |||
202 | static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, | ||
203 | const struct in6_addr *daddr, | ||
204 | __u32 len, unsigned short proto, | ||
205 | __wsum sum) | ||
206 | { | ||
207 | __asm__ __volatile__ ( | ||
208 | "addcc %3, %4, %%g4\n\t" | ||
209 | "addxcc %5, %%g4, %%g4\n\t" | ||
210 | "ld [%2 + 0x0c], %%g2\n\t" | ||
211 | "ld [%2 + 0x08], %%g3\n\t" | ||
212 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
213 | "ld [%2 + 0x04], %%g2\n\t" | ||
214 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
215 | "ld [%2 + 0x00], %%g3\n\t" | ||
216 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
217 | "ld [%1 + 0x0c], %%g2\n\t" | ||
218 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
219 | "ld [%1 + 0x08], %%g3\n\t" | ||
220 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
221 | "ld [%1 + 0x04], %%g2\n\t" | ||
222 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
223 | "ld [%1 + 0x00], %%g3\n\t" | ||
224 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
225 | "addxcc %%g3, %%g4, %0\n\t" | ||
226 | "addx 0, %0, %0\n" | ||
227 | : "=&r" (sum) | ||
228 | : "r" (saddr), "r" (daddr), | ||
229 | "r"(htonl(len)), "r"(htonl(proto)), "r"(sum) | ||
230 | : "g2", "g3", "g4", "cc"); | ||
231 | |||
232 | return csum_fold(sum); | ||
233 | } | ||
234 | |||
235 | /* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */ | ||
236 | static inline __sum16 ip_compute_csum(const void *buff, int len) | ||
237 | { | ||
238 | return csum_fold(csum_partial(buff, len, 0)); | ||
239 | } | ||
240 | |||
241 | #endif /* !(__SPARC_CHECKSUM_H) */ | ||
diff --git a/include/asm-sparc/checksum_32.h b/include/asm-sparc/checksum_32.h new file mode 100644 index 000000000000..bdbda1453aa9 --- /dev/null +++ b/include/asm-sparc/checksum_32.h | |||
@@ -0,0 +1,241 @@ | |||
1 | #ifndef __SPARC_CHECKSUM_H | ||
2 | #define __SPARC_CHECKSUM_H | ||
3 | |||
4 | /* checksum.h: IP/UDP/TCP checksum routines on the Sparc. | ||
5 | * | ||
6 | * Copyright(C) 1995 Linus Torvalds | ||
7 | * Copyright(C) 1995 Miguel de Icaza | ||
8 | * Copyright(C) 1996 David S. Miller | ||
9 | * Copyright(C) 1996 Eddie C. Dost | ||
10 | * Copyright(C) 1997 Jakub Jelinek | ||
11 | * | ||
12 | * derived from: | ||
13 | * Alpha checksum c-code | ||
14 | * ix86 inline assembly | ||
15 | * RFC1071 Computing the Internet Checksum | ||
16 | */ | ||
17 | |||
18 | #include <linux/in6.h> | ||
19 | #include <asm/uaccess.h> | ||
20 | |||
21 | /* computes the checksum of a memory block at buff, length len, | ||
22 | * and adds in "sum" (32-bit) | ||
23 | * | ||
24 | * returns a 32-bit number suitable for feeding into itself | ||
25 | * or csum_tcpudp_magic | ||
26 | * | ||
27 | * this function must be called with even lengths, except | ||
28 | * for the last fragment, which may be odd | ||
29 | * | ||
30 | * it's best to have buff aligned on a 32-bit boundary | ||
31 | */ | ||
32 | extern __wsum csum_partial(const void *buff, int len, __wsum sum); | ||
33 | |||
34 | /* the same as csum_partial, but copies from fs:src while it | ||
35 | * checksums | ||
36 | * | ||
37 | * here even more important to align src and dst on a 32-bit (or even | ||
38 | * better 64-bit) boundary | ||
39 | */ | ||
40 | |||
41 | extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *); | ||
42 | |||
43 | static inline __wsum | ||
44 | csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) | ||
45 | { | ||
46 | register unsigned int ret asm("o0") = (unsigned int)src; | ||
47 | register char *d asm("o1") = dst; | ||
48 | register int l asm("g1") = len; | ||
49 | |||
50 | __asm__ __volatile__ ( | ||
51 | "call __csum_partial_copy_sparc_generic\n\t" | ||
52 | " mov %6, %%g7\n" | ||
53 | : "=&r" (ret), "=&r" (d), "=&r" (l) | ||
54 | : "0" (ret), "1" (d), "2" (l), "r" (sum) | ||
55 | : "o2", "o3", "o4", "o5", "o7", | ||
56 | "g2", "g3", "g4", "g5", "g7", | ||
57 | "memory", "cc"); | ||
58 | return (__force __wsum)ret; | ||
59 | } | ||
60 | |||
61 | static inline __wsum | ||
62 | csum_partial_copy_from_user(const void __user *src, void *dst, int len, | ||
63 | __wsum sum, int *err) | ||
64 | { | ||
65 | register unsigned long ret asm("o0") = (unsigned long)src; | ||
66 | register char *d asm("o1") = dst; | ||
67 | register int l asm("g1") = len; | ||
68 | register __wsum s asm("g7") = sum; | ||
69 | |||
70 | __asm__ __volatile__ ( | ||
71 | ".section __ex_table,#alloc\n\t" | ||
72 | ".align 4\n\t" | ||
73 | ".word 1f,2\n\t" | ||
74 | ".previous\n" | ||
75 | "1:\n\t" | ||
76 | "call __csum_partial_copy_sparc_generic\n\t" | ||
77 | " st %8, [%%sp + 64]\n" | ||
78 | : "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s) | ||
79 | : "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err) | ||
80 | : "o2", "o3", "o4", "o5", "o7", "g2", "g3", "g4", "g5", | ||
81 | "cc", "memory"); | ||
82 | return (__force __wsum)ret; | ||
83 | } | ||
84 | |||
85 | static inline __wsum | ||
86 | csum_partial_copy_to_user(const void *src, void __user *dst, int len, | ||
87 | __wsum sum, int *err) | ||
88 | { | ||
89 | if (!access_ok (VERIFY_WRITE, dst, len)) { | ||
90 | *err = -EFAULT; | ||
91 | return sum; | ||
92 | } else { | ||
93 | register unsigned long ret asm("o0") = (unsigned long)src; | ||
94 | register char __user *d asm("o1") = dst; | ||
95 | register int l asm("g1") = len; | ||
96 | register __wsum s asm("g7") = sum; | ||
97 | |||
98 | __asm__ __volatile__ ( | ||
99 | ".section __ex_table,#alloc\n\t" | ||
100 | ".align 4\n\t" | ||
101 | ".word 1f,1\n\t" | ||
102 | ".previous\n" | ||
103 | "1:\n\t" | ||
104 | "call __csum_partial_copy_sparc_generic\n\t" | ||
105 | " st %8, [%%sp + 64]\n" | ||
106 | : "=&r" (ret), "=&r" (d), "=&r" (l), "=&r" (s) | ||
107 | : "0" (ret), "1" (d), "2" (l), "3" (s), "r" (err) | ||
108 | : "o2", "o3", "o4", "o5", "o7", | ||
109 | "g2", "g3", "g4", "g5", | ||
110 | "cc", "memory"); | ||
111 | return (__force __wsum)ret; | ||
112 | } | ||
113 | } | ||
114 | |||
115 | #define HAVE_CSUM_COPY_USER | ||
116 | #define csum_and_copy_to_user csum_partial_copy_to_user | ||
117 | |||
118 | /* ihl is always 5 or greater, almost always is 5, and iph is word aligned | ||
119 | * the majority of the time. | ||
120 | */ | ||
121 | static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) | ||
122 | { | ||
123 | __sum16 sum; | ||
124 | |||
125 | /* Note: We must read %2 before we touch %0 for the first time, | ||
126 | * because GCC can legitimately use the same register for | ||
127 | * both operands. | ||
128 | */ | ||
129 | __asm__ __volatile__("sub\t%2, 4, %%g4\n\t" | ||
130 | "ld\t[%1 + 0x00], %0\n\t" | ||
131 | "ld\t[%1 + 0x04], %%g2\n\t" | ||
132 | "ld\t[%1 + 0x08], %%g3\n\t" | ||
133 | "addcc\t%%g2, %0, %0\n\t" | ||
134 | "addxcc\t%%g3, %0, %0\n\t" | ||
135 | "ld\t[%1 + 0x0c], %%g2\n\t" | ||
136 | "ld\t[%1 + 0x10], %%g3\n\t" | ||
137 | "addxcc\t%%g2, %0, %0\n\t" | ||
138 | "addx\t%0, %%g0, %0\n" | ||
139 | "1:\taddcc\t%%g3, %0, %0\n\t" | ||
140 | "add\t%1, 4, %1\n\t" | ||
141 | "addxcc\t%0, %%g0, %0\n\t" | ||
142 | "subcc\t%%g4, 1, %%g4\n\t" | ||
143 | "be,a\t2f\n\t" | ||
144 | "sll\t%0, 16, %%g2\n\t" | ||
145 | "b\t1b\n\t" | ||
146 | "ld\t[%1 + 0x10], %%g3\n" | ||
147 | "2:\taddcc\t%0, %%g2, %%g2\n\t" | ||
148 | "srl\t%%g2, 16, %0\n\t" | ||
149 | "addx\t%0, %%g0, %0\n\t" | ||
150 | "xnor\t%%g0, %0, %0" | ||
151 | : "=r" (sum), "=&r" (iph) | ||
152 | : "r" (ihl), "1" (iph) | ||
153 | : "g2", "g3", "g4", "cc", "memory"); | ||
154 | return sum; | ||
155 | } | ||
156 | |||
157 | /* Fold a partial checksum without adding pseudo headers. */ | ||
158 | static inline __sum16 csum_fold(__wsum sum) | ||
159 | { | ||
160 | unsigned int tmp; | ||
161 | |||
162 | __asm__ __volatile__("addcc\t%0, %1, %1\n\t" | ||
163 | "srl\t%1, 16, %1\n\t" | ||
164 | "addx\t%1, %%g0, %1\n\t" | ||
165 | "xnor\t%%g0, %1, %0" | ||
166 | : "=&r" (sum), "=r" (tmp) | ||
167 | : "0" (sum), "1" ((__force u32)sum<<16) | ||
168 | : "cc"); | ||
169 | return (__force __sum16)sum; | ||
170 | } | ||
171 | |||
172 | static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, | ||
173 | unsigned short len, | ||
174 | unsigned short proto, | ||
175 | __wsum sum) | ||
176 | { | ||
177 | __asm__ __volatile__("addcc\t%1, %0, %0\n\t" | ||
178 | "addxcc\t%2, %0, %0\n\t" | ||
179 | "addxcc\t%3, %0, %0\n\t" | ||
180 | "addx\t%0, %%g0, %0\n\t" | ||
181 | : "=r" (sum), "=r" (saddr) | ||
182 | : "r" (daddr), "r" (proto + len), "0" (sum), | ||
183 | "1" (saddr) | ||
184 | : "cc"); | ||
185 | return sum; | ||
186 | } | ||
187 | |||
188 | /* | ||
189 | * computes the checksum of the TCP/UDP pseudo-header | ||
190 | * returns a 16-bit checksum, already complemented | ||
191 | */ | ||
192 | static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, | ||
193 | unsigned short len, | ||
194 | unsigned short proto, | ||
195 | __wsum sum) | ||
196 | { | ||
197 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | ||
198 | } | ||
199 | |||
200 | #define _HAVE_ARCH_IPV6_CSUM | ||
201 | |||
202 | static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, | ||
203 | const struct in6_addr *daddr, | ||
204 | __u32 len, unsigned short proto, | ||
205 | __wsum sum) | ||
206 | { | ||
207 | __asm__ __volatile__ ( | ||
208 | "addcc %3, %4, %%g4\n\t" | ||
209 | "addxcc %5, %%g4, %%g4\n\t" | ||
210 | "ld [%2 + 0x0c], %%g2\n\t" | ||
211 | "ld [%2 + 0x08], %%g3\n\t" | ||
212 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
213 | "ld [%2 + 0x04], %%g2\n\t" | ||
214 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
215 | "ld [%2 + 0x00], %%g3\n\t" | ||
216 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
217 | "ld [%1 + 0x0c], %%g2\n\t" | ||
218 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
219 | "ld [%1 + 0x08], %%g3\n\t" | ||
220 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
221 | "ld [%1 + 0x04], %%g2\n\t" | ||
222 | "addxcc %%g3, %%g4, %%g4\n\t" | ||
223 | "ld [%1 + 0x00], %%g3\n\t" | ||
224 | "addxcc %%g2, %%g4, %%g4\n\t" | ||
225 | "addxcc %%g3, %%g4, %0\n\t" | ||
226 | "addx 0, %0, %0\n" | ||
227 | : "=&r" (sum) | ||
228 | : "r" (saddr), "r" (daddr), | ||
229 | "r"(htonl(len)), "r"(htonl(proto)), "r"(sum) | ||
230 | : "g2", "g3", "g4", "cc"); | ||
231 | |||
232 | return csum_fold(sum); | ||
233 | } | ||
234 | |||
235 | /* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */ | ||
236 | static inline __sum16 ip_compute_csum(const void *buff, int len) | ||
237 | { | ||
238 | return csum_fold(csum_partial(buff, len, 0)); | ||
239 | } | ||
240 | |||
241 | #endif /* !(__SPARC_CHECKSUM_H) */ | ||
diff --git a/include/asm-sparc/checksum_64.h b/include/asm-sparc/checksum_64.h new file mode 100644 index 000000000000..019b9615e43c --- /dev/null +++ b/include/asm-sparc/checksum_64.h | |||
@@ -0,0 +1,167 @@ | |||
1 | #ifndef __SPARC64_CHECKSUM_H | ||
2 | #define __SPARC64_CHECKSUM_H | ||
3 | |||
4 | /* checksum.h: IP/UDP/TCP checksum routines on the V9. | ||
5 | * | ||
6 | * Copyright(C) 1995 Linus Torvalds | ||
7 | * Copyright(C) 1995 Miguel de Icaza | ||
8 | * Copyright(C) 1996 David S. Miller | ||
9 | * Copyright(C) 1996 Eddie C. Dost | ||
10 | * Copyright(C) 1997 Jakub Jelinek | ||
11 | * | ||
12 | * derived from: | ||
13 | * Alpha checksum c-code | ||
14 | * ix86 inline assembly | ||
15 | * RFC1071 Computing the Internet Checksum | ||
16 | */ | ||
17 | |||
18 | #include <linux/in6.h> | ||
19 | #include <asm/uaccess.h> | ||
20 | |||
21 | /* computes the checksum of a memory block at buff, length len, | ||
22 | * and adds in "sum" (32-bit) | ||
23 | * | ||
24 | * returns a 32-bit number suitable for feeding into itself | ||
25 | * or csum_tcpudp_magic | ||
26 | * | ||
27 | * this function must be called with even lengths, except | ||
28 | * for the last fragment, which may be odd | ||
29 | * | ||
30 | * it's best to have buff aligned on a 32-bit boundary | ||
31 | */ | ||
32 | extern __wsum csum_partial(const void * buff, int len, __wsum sum); | ||
33 | |||
34 | /* the same as csum_partial, but copies from user space while it | ||
35 | * checksums | ||
36 | * | ||
37 | * here even more important to align src and dst on a 32-bit (or even | ||
38 | * better 64-bit) boundary | ||
39 | */ | ||
40 | extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, | ||
41 | int len, __wsum sum); | ||
42 | |||
43 | extern long __csum_partial_copy_from_user(const void __user *src, | ||
44 | void *dst, int len, | ||
45 | __wsum sum); | ||
46 | |||
47 | static inline __wsum | ||
48 | csum_partial_copy_from_user(const void __user *src, | ||
49 | void *dst, int len, | ||
50 | __wsum sum, int *err) | ||
51 | { | ||
52 | long ret = __csum_partial_copy_from_user(src, dst, len, sum); | ||
53 | if (ret < 0) | ||
54 | *err = -EFAULT; | ||
55 | return (__force __wsum) ret; | ||
56 | } | ||
57 | |||
58 | /* | ||
59 | * Copy and checksum to user | ||
60 | */ | ||
61 | #define HAVE_CSUM_COPY_USER | ||
62 | extern long __csum_partial_copy_to_user(const void *src, | ||
63 | void __user *dst, int len, | ||
64 | __wsum sum); | ||
65 | |||
66 | static inline __wsum | ||
67 | csum_and_copy_to_user(const void *src, | ||
68 | void __user *dst, int len, | ||
69 | __wsum sum, int *err) | ||
70 | { | ||
71 | long ret = __csum_partial_copy_to_user(src, dst, len, sum); | ||
72 | if (ret < 0) | ||
73 | *err = -EFAULT; | ||
74 | return (__force __wsum) ret; | ||
75 | } | ||
76 | |||
77 | /* ihl is always 5 or greater, almost always is 5, and iph is word aligned | ||
78 | * the majority of the time. | ||
79 | */ | ||
80 | extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); | ||
81 | |||
82 | /* Fold a partial checksum without adding pseudo headers. */ | ||
83 | static inline __sum16 csum_fold(__wsum sum) | ||
84 | { | ||
85 | unsigned int tmp; | ||
86 | |||
87 | __asm__ __volatile__( | ||
88 | " addcc %0, %1, %1\n" | ||
89 | " srl %1, 16, %1\n" | ||
90 | " addc %1, %%g0, %1\n" | ||
91 | " xnor %%g0, %1, %0\n" | ||
92 | : "=&r" (sum), "=r" (tmp) | ||
93 | : "0" (sum), "1" ((__force u32)sum<<16) | ||
94 | : "cc"); | ||
95 | return (__force __sum16)sum; | ||
96 | } | ||
97 | |||
98 | static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, | ||
99 | unsigned int len, | ||
100 | unsigned short proto, | ||
101 | __wsum sum) | ||
102 | { | ||
103 | __asm__ __volatile__( | ||
104 | " addcc %1, %0, %0\n" | ||
105 | " addccc %2, %0, %0\n" | ||
106 | " addccc %3, %0, %0\n" | ||
107 | " addc %0, %%g0, %0\n" | ||
108 | : "=r" (sum), "=r" (saddr) | ||
109 | : "r" (daddr), "r" (proto + len), "0" (sum), "1" (saddr) | ||
110 | : "cc"); | ||
111 | return sum; | ||
112 | } | ||
113 | |||
114 | /* | ||
115 | * computes the checksum of the TCP/UDP pseudo-header | ||
116 | * returns a 16-bit checksum, already complemented | ||
117 | */ | ||
118 | static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, | ||
119 | unsigned short len, | ||
120 | unsigned short proto, | ||
121 | __wsum sum) | ||
122 | { | ||
123 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | ||
124 | } | ||
125 | |||
126 | #define _HAVE_ARCH_IPV6_CSUM | ||
127 | |||
128 | static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, | ||
129 | const struct in6_addr *daddr, | ||
130 | __u32 len, unsigned short proto, | ||
131 | __wsum sum) | ||
132 | { | ||
133 | __asm__ __volatile__ ( | ||
134 | " addcc %3, %4, %%g7\n" | ||
135 | " addccc %5, %%g7, %%g7\n" | ||
136 | " lduw [%2 + 0x0c], %%g2\n" | ||
137 | " lduw [%2 + 0x08], %%g3\n" | ||
138 | " addccc %%g2, %%g7, %%g7\n" | ||
139 | " lduw [%2 + 0x04], %%g2\n" | ||
140 | " addccc %%g3, %%g7, %%g7\n" | ||
141 | " lduw [%2 + 0x00], %%g3\n" | ||
142 | " addccc %%g2, %%g7, %%g7\n" | ||
143 | " lduw [%1 + 0x0c], %%g2\n" | ||
144 | " addccc %%g3, %%g7, %%g7\n" | ||
145 | " lduw [%1 + 0x08], %%g3\n" | ||
146 | " addccc %%g2, %%g7, %%g7\n" | ||
147 | " lduw [%1 + 0x04], %%g2\n" | ||
148 | " addccc %%g3, %%g7, %%g7\n" | ||
149 | " lduw [%1 + 0x00], %%g3\n" | ||
150 | " addccc %%g2, %%g7, %%g7\n" | ||
151 | " addccc %%g3, %%g7, %0\n" | ||
152 | " addc 0, %0, %0\n" | ||
153 | : "=&r" (sum) | ||
154 | : "r" (saddr), "r" (daddr), "r"(htonl(len)), | ||
155 | "r"(htonl(proto)), "r"(sum) | ||
156 | : "g2", "g3", "g7", "cc"); | ||
157 | |||
158 | return csum_fold(sum); | ||
159 | } | ||
160 | |||
161 | /* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */ | ||
162 | static inline __sum16 ip_compute_csum(const void *buff, int len) | ||
163 | { | ||
164 | return csum_fold(csum_partial(buff, len, 0)); | ||
165 | } | ||
166 | |||
167 | #endif /* !(__SPARC64_CHECKSUM_H) */ | ||
diff --git a/include/asm-sparc/cpudata.h b/include/asm-sparc/cpudata.h index a2c4d51d36c4..b76fac0c8d8f 100644 --- a/include/asm-sparc/cpudata.h +++ b/include/asm-sparc/cpudata.h | |||
@@ -1,27 +1,8 @@ | |||
1 | /* cpudata.h: Per-cpu parameters. | 1 | #ifndef ___ASM_SPARC_CPUDATA_H |
2 | * | 2 | #define ___ASM_SPARC_CPUDATA_H |
3 | * Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * | 4 | #include <asm-sparc/cpudata_64.h> |
5 | * Based on include/asm-sparc64/cpudata.h and Linux 2.4 smp.h | 5 | #else |
6 | * both (C) David S. Miller. | 6 | #include <asm-sparc/cpudata_32.h> |
7 | */ | 7 | #endif |
8 | 8 | #endif | |
9 | #ifndef _SPARC_CPUDATA_H | ||
10 | #define _SPARC_CPUDATA_H | ||
11 | |||
12 | #include <linux/percpu.h> | ||
13 | |||
14 | typedef struct { | ||
15 | unsigned long udelay_val; | ||
16 | unsigned long clock_tick; | ||
17 | unsigned int multiplier; | ||
18 | unsigned int counter; | ||
19 | int prom_node; | ||
20 | int mid; | ||
21 | int next; | ||
22 | } cpuinfo_sparc; | ||
23 | |||
24 | DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); | ||
25 | #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) | ||
26 | |||
27 | #endif /* _SPARC_CPUDATA_H */ | ||
diff --git a/include/asm-sparc/cpudata_32.h b/include/asm-sparc/cpudata_32.h new file mode 100644 index 000000000000..a2c4d51d36c4 --- /dev/null +++ b/include/asm-sparc/cpudata_32.h | |||
@@ -0,0 +1,27 @@ | |||
1 | /* cpudata.h: Per-cpu parameters. | ||
2 | * | ||
3 | * Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org) | ||
4 | * | ||
5 | * Based on include/asm-sparc64/cpudata.h and Linux 2.4 smp.h | ||
6 | * both (C) David S. Miller. | ||
7 | */ | ||
8 | |||
9 | #ifndef _SPARC_CPUDATA_H | ||
10 | #define _SPARC_CPUDATA_H | ||
11 | |||
12 | #include <linux/percpu.h> | ||
13 | |||
14 | typedef struct { | ||
15 | unsigned long udelay_val; | ||
16 | unsigned long clock_tick; | ||
17 | unsigned int multiplier; | ||
18 | unsigned int counter; | ||
19 | int prom_node; | ||
20 | int mid; | ||
21 | int next; | ||
22 | } cpuinfo_sparc; | ||
23 | |||
24 | DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); | ||
25 | #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) | ||
26 | |||
27 | #endif /* _SPARC_CPUDATA_H */ | ||
diff --git a/include/asm-sparc/cpudata_64.h b/include/asm-sparc/cpudata_64.h new file mode 100644 index 000000000000..532975ecfe10 --- /dev/null +++ b/include/asm-sparc/cpudata_64.h | |||
@@ -0,0 +1,240 @@ | |||
1 | /* cpudata.h: Per-cpu parameters. | ||
2 | * | ||
3 | * Copyright (C) 2003, 2005, 2006 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_CPUDATA_H | ||
7 | #define _SPARC64_CPUDATA_H | ||
8 | |||
9 | #include <asm/hypervisor.h> | ||
10 | #include <asm/asi.h> | ||
11 | |||
12 | #ifndef __ASSEMBLY__ | ||
13 | |||
14 | #include <linux/percpu.h> | ||
15 | #include <linux/threads.h> | ||
16 | |||
17 | typedef struct { | ||
18 | /* Dcache line 1 */ | ||
19 | unsigned int __softirq_pending; /* must be 1st, see rtrap.S */ | ||
20 | unsigned int __pad0; | ||
21 | unsigned long clock_tick; /* %tick's per second */ | ||
22 | unsigned long __pad; | ||
23 | unsigned int __pad1; | ||
24 | unsigned int __pad2; | ||
25 | |||
26 | /* Dcache line 2, rarely used */ | ||
27 | unsigned int dcache_size; | ||
28 | unsigned int dcache_line_size; | ||
29 | unsigned int icache_size; | ||
30 | unsigned int icache_line_size; | ||
31 | unsigned int ecache_size; | ||
32 | unsigned int ecache_line_size; | ||
33 | int core_id; | ||
34 | int proc_id; | ||
35 | } cpuinfo_sparc; | ||
36 | |||
37 | DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); | ||
38 | #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) | ||
39 | #define local_cpu_data() __get_cpu_var(__cpu_data) | ||
40 | |||
41 | /* Trap handling code needs to get at a few critical values upon | ||
42 | * trap entry and to process TSB misses. These cannot be in the | ||
43 | * per_cpu() area as we really need to lock them into the TLB and | ||
44 | * thus make them part of the main kernel image. As a result we | ||
45 | * try to make this as small as possible. | ||
46 | * | ||
47 | * This is padded out and aligned to 64-bytes to avoid false sharing | ||
48 | * on SMP. | ||
49 | */ | ||
50 | |||
51 | /* If you modify the size of this structure, please update | ||
52 | * TRAP_BLOCK_SZ_SHIFT below. | ||
53 | */ | ||
54 | struct thread_info; | ||
55 | struct trap_per_cpu { | ||
56 | /* D-cache line 1: Basic thread information, cpu and device mondo queues */ | ||
57 | struct thread_info *thread; | ||
58 | unsigned long pgd_paddr; | ||
59 | unsigned long cpu_mondo_pa; | ||
60 | unsigned long dev_mondo_pa; | ||
61 | |||
62 | /* D-cache line 2: Error Mondo Queue and kernel buffer pointers */ | ||
63 | unsigned long resum_mondo_pa; | ||
64 | unsigned long resum_kernel_buf_pa; | ||
65 | unsigned long nonresum_mondo_pa; | ||
66 | unsigned long nonresum_kernel_buf_pa; | ||
67 | |||
68 | /* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */ | ||
69 | struct hv_fault_status fault_info; | ||
70 | |||
71 | /* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */ | ||
72 | unsigned long cpu_mondo_block_pa; | ||
73 | unsigned long cpu_list_pa; | ||
74 | unsigned long tsb_huge; | ||
75 | unsigned long tsb_huge_temp; | ||
76 | |||
77 | /* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */ | ||
78 | unsigned long irq_worklist_pa; | ||
79 | unsigned int cpu_mondo_qmask; | ||
80 | unsigned int dev_mondo_qmask; | ||
81 | unsigned int resum_qmask; | ||
82 | unsigned int nonresum_qmask; | ||
83 | void *hdesc; | ||
84 | } __attribute__((aligned(64))); | ||
85 | extern struct trap_per_cpu trap_block[NR_CPUS]; | ||
86 | extern void init_cur_cpu_trap(struct thread_info *); | ||
87 | extern void setup_tba(void); | ||
88 | extern int ncpus_probed; | ||
89 | extern void __init cpu_probe(void); | ||
90 | extern const struct seq_operations cpuinfo_op; | ||
91 | |||
92 | extern unsigned long real_hard_smp_processor_id(void); | ||
93 | |||
94 | struct cpuid_patch_entry { | ||
95 | unsigned int addr; | ||
96 | unsigned int cheetah_safari[4]; | ||
97 | unsigned int cheetah_jbus[4]; | ||
98 | unsigned int starfire[4]; | ||
99 | unsigned int sun4v[4]; | ||
100 | }; | ||
101 | extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end; | ||
102 | |||
103 | struct sun4v_1insn_patch_entry { | ||
104 | unsigned int addr; | ||
105 | unsigned int insn; | ||
106 | }; | ||
107 | extern struct sun4v_1insn_patch_entry __sun4v_1insn_patch, | ||
108 | __sun4v_1insn_patch_end; | ||
109 | |||
110 | struct sun4v_2insn_patch_entry { | ||
111 | unsigned int addr; | ||
112 | unsigned int insns[2]; | ||
113 | }; | ||
114 | extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, | ||
115 | __sun4v_2insn_patch_end; | ||
116 | |||
117 | #endif /* !(__ASSEMBLY__) */ | ||
118 | |||
119 | #define TRAP_PER_CPU_THREAD 0x00 | ||
120 | #define TRAP_PER_CPU_PGD_PADDR 0x08 | ||
121 | #define TRAP_PER_CPU_CPU_MONDO_PA 0x10 | ||
122 | #define TRAP_PER_CPU_DEV_MONDO_PA 0x18 | ||
123 | #define TRAP_PER_CPU_RESUM_MONDO_PA 0x20 | ||
124 | #define TRAP_PER_CPU_RESUM_KBUF_PA 0x28 | ||
125 | #define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30 | ||
126 | #define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38 | ||
127 | #define TRAP_PER_CPU_FAULT_INFO 0x40 | ||
128 | #define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0 | ||
129 | #define TRAP_PER_CPU_CPU_LIST_PA 0xc8 | ||
130 | #define TRAP_PER_CPU_TSB_HUGE 0xd0 | ||
131 | #define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8 | ||
132 | #define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0 | ||
133 | #define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8 | ||
134 | #define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec | ||
135 | #define TRAP_PER_CPU_RESUM_QMASK 0xf0 | ||
136 | #define TRAP_PER_CPU_NONRESUM_QMASK 0xf4 | ||
137 | |||
138 | #define TRAP_BLOCK_SZ_SHIFT 8 | ||
139 | |||
140 | #include <asm/scratchpad.h> | ||
141 | |||
142 | #define __GET_CPUID(REG) \ | ||
143 | /* Spitfire implementation (default). */ \ | ||
144 | 661: ldxa [%g0] ASI_UPA_CONFIG, REG; \ | ||
145 | srlx REG, 17, REG; \ | ||
146 | and REG, 0x1f, REG; \ | ||
147 | nop; \ | ||
148 | .section .cpuid_patch, "ax"; \ | ||
149 | /* Instruction location. */ \ | ||
150 | .word 661b; \ | ||
151 | /* Cheetah Safari implementation. */ \ | ||
152 | ldxa [%g0] ASI_SAFARI_CONFIG, REG; \ | ||
153 | srlx REG, 17, REG; \ | ||
154 | and REG, 0x3ff, REG; \ | ||
155 | nop; \ | ||
156 | /* Cheetah JBUS implementation. */ \ | ||
157 | ldxa [%g0] ASI_JBUS_CONFIG, REG; \ | ||
158 | srlx REG, 17, REG; \ | ||
159 | and REG, 0x1f, REG; \ | ||
160 | nop; \ | ||
161 | /* Starfire implementation. */ \ | ||
162 | sethi %hi(0x1fff40000d0 >> 9), REG; \ | ||
163 | sllx REG, 9, REG; \ | ||
164 | or REG, 0xd0, REG; \ | ||
165 | lduwa [REG] ASI_PHYS_BYPASS_EC_E, REG;\ | ||
166 | /* sun4v implementation. */ \ | ||
167 | mov SCRATCHPAD_CPUID, REG; \ | ||
168 | ldxa [REG] ASI_SCRATCHPAD, REG; \ | ||
169 | nop; \ | ||
170 | nop; \ | ||
171 | .previous; | ||
172 | |||
173 | #ifdef CONFIG_SMP | ||
174 | |||
175 | #define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
176 | __GET_CPUID(TMP) \ | ||
177 | sethi %hi(trap_block), DEST; \ | ||
178 | sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \ | ||
179 | or DEST, %lo(trap_block), DEST; \ | ||
180 | add DEST, TMP, DEST; \ | ||
181 | |||
182 | /* Clobbers TMP, current address space PGD phys address into DEST. */ | ||
183 | #define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ | ||
184 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
185 | ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; | ||
186 | |||
187 | /* Clobbers TMP, loads local processor's IRQ work area into DEST. */ | ||
188 | #define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ | ||
189 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
190 | add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; | ||
191 | |||
192 | /* Clobbers TMP, loads DEST with current thread info pointer. */ | ||
193 | #define TRAP_LOAD_THREAD_REG(DEST, TMP) \ | ||
194 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
195 | ldx [DEST + TRAP_PER_CPU_THREAD], DEST; | ||
196 | |||
197 | /* Given the current thread info pointer in THR, load the per-cpu | ||
198 | * area base of the current processor into DEST. REG1, REG2, and REG3 are | ||
199 | * clobbered. | ||
200 | * | ||
201 | * You absolutely cannot use DEST as a temporary in this code. The | ||
202 | * reason is that traps can happen during execution, and return from | ||
203 | * trap will load the fully resolved DEST per-cpu base. This can corrupt | ||
204 | * the calculations done by the macro mid-stream. | ||
205 | */ | ||
206 | #define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \ | ||
207 | lduh [THR + TI_CPU], REG1; \ | ||
208 | sethi %hi(__per_cpu_shift), REG3; \ | ||
209 | sethi %hi(__per_cpu_base), REG2; \ | ||
210 | ldx [REG3 + %lo(__per_cpu_shift)], REG3; \ | ||
211 | ldx [REG2 + %lo(__per_cpu_base)], REG2; \ | ||
212 | sllx REG1, REG3, REG3; \ | ||
213 | add REG3, REG2, DEST; | ||
214 | |||
215 | #else | ||
216 | |||
217 | #define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
218 | sethi %hi(trap_block), DEST; \ | ||
219 | or DEST, %lo(trap_block), DEST; \ | ||
220 | |||
221 | /* Uniprocessor versions, we know the cpuid is zero. */ | ||
222 | #define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ | ||
223 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
224 | ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; | ||
225 | |||
226 | /* Clobbers TMP, loads local processor's IRQ work area into DEST. */ | ||
227 | #define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ | ||
228 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
229 | add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; | ||
230 | |||
231 | #define TRAP_LOAD_THREAD_REG(DEST, TMP) \ | ||
232 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
233 | ldx [DEST + TRAP_PER_CPU_THREAD], DEST; | ||
234 | |||
235 | /* No per-cpu areas on uniprocessor, so no need to load DEST. */ | ||
236 | #define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) | ||
237 | |||
238 | #endif /* !(CONFIG_SMP) */ | ||
239 | |||
240 | #endif /* _SPARC64_CPUDATA_H */ | ||
diff --git a/include/asm-sparc/delay.h b/include/asm-sparc/delay.h index bc9aba2bead6..6210a3ce9751 100644 --- a/include/asm-sparc/delay.h +++ b/include/asm-sparc/delay.h | |||
@@ -1,34 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_DELAY_H |
2 | * delay.h: Linux delay routines on the Sparc. | 2 | #define ___ASM_SPARC_DELAY_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu). | 4 | #include <asm-sparc/delay_64.h> |
5 | */ | 5 | #else |
6 | 6 | #include <asm-sparc/delay_32.h> | |
7 | #ifndef __SPARC_DELAY_H | 7 | #endif |
8 | #define __SPARC_DELAY_H | 8 | #endif |
9 | |||
10 | #include <asm/cpudata.h> | ||
11 | |||
12 | static inline void __delay(unsigned long loops) | ||
13 | { | ||
14 | __asm__ __volatile__("cmp %0, 0\n\t" | ||
15 | "1: bne 1b\n\t" | ||
16 | "subcc %0, 1, %0\n" : | ||
17 | "=&r" (loops) : | ||
18 | "0" (loops) : | ||
19 | "cc"); | ||
20 | } | ||
21 | |||
22 | /* This is too messy with inline asm on the Sparc. */ | ||
23 | extern void __udelay(unsigned long usecs, unsigned long lpj); | ||
24 | extern void __ndelay(unsigned long nsecs, unsigned long lpj); | ||
25 | |||
26 | #ifdef CONFIG_SMP | ||
27 | #define __udelay_val cpu_data(smp_processor_id()).udelay_val | ||
28 | #else /* SMP */ | ||
29 | #define __udelay_val loops_per_jiffy | ||
30 | #endif /* SMP */ | ||
31 | #define udelay(__usecs) __udelay(__usecs, __udelay_val) | ||
32 | #define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val) | ||
33 | |||
34 | #endif /* defined(__SPARC_DELAY_H) */ | ||
diff --git a/include/asm-sparc/delay_32.h b/include/asm-sparc/delay_32.h new file mode 100644 index 000000000000..bc9aba2bead6 --- /dev/null +++ b/include/asm-sparc/delay_32.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* | ||
2 | * delay.h: Linux delay routines on the Sparc. | ||
3 | * | ||
4 | * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu). | ||
5 | */ | ||
6 | |||
7 | #ifndef __SPARC_DELAY_H | ||
8 | #define __SPARC_DELAY_H | ||
9 | |||
10 | #include <asm/cpudata.h> | ||
11 | |||
12 | static inline void __delay(unsigned long loops) | ||
13 | { | ||
14 | __asm__ __volatile__("cmp %0, 0\n\t" | ||
15 | "1: bne 1b\n\t" | ||
16 | "subcc %0, 1, %0\n" : | ||
17 | "=&r" (loops) : | ||
18 | "0" (loops) : | ||
19 | "cc"); | ||
20 | } | ||
21 | |||
22 | /* This is too messy with inline asm on the Sparc. */ | ||
23 | extern void __udelay(unsigned long usecs, unsigned long lpj); | ||
24 | extern void __ndelay(unsigned long nsecs, unsigned long lpj); | ||
25 | |||
26 | #ifdef CONFIG_SMP | ||
27 | #define __udelay_val cpu_data(smp_processor_id()).udelay_val | ||
28 | #else /* SMP */ | ||
29 | #define __udelay_val loops_per_jiffy | ||
30 | #endif /* SMP */ | ||
31 | #define udelay(__usecs) __udelay(__usecs, __udelay_val) | ||
32 | #define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val) | ||
33 | |||
34 | #endif /* defined(__SPARC_DELAY_H) */ | ||
diff --git a/include/asm-sparc/delay_64.h b/include/asm-sparc/delay_64.h new file mode 100644 index 000000000000..a77aa622d762 --- /dev/null +++ b/include/asm-sparc/delay_64.h | |||
@@ -0,0 +1,17 @@ | |||
1 | /* delay.h: Linux delay routines on sparc64. | ||
2 | * | ||
3 | * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net). | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_DELAY_H | ||
7 | #define _SPARC64_DELAY_H | ||
8 | |||
9 | #ifndef __ASSEMBLY__ | ||
10 | |||
11 | extern void __delay(unsigned long loops); | ||
12 | extern void udelay(unsigned long usecs); | ||
13 | #define mdelay(n) udelay((n) * 1000) | ||
14 | |||
15 | #endif /* !__ASSEMBLY__ */ | ||
16 | |||
17 | #endif /* _SPARC64_DELAY_H */ | ||
diff --git a/include/asm-sparc/dma-mapping.h b/include/asm-sparc/dma-mapping.h index f3a641e6b2c8..7483504259ce 100644 --- a/include/asm-sparc/dma-mapping.h +++ b/include/asm-sparc/dma-mapping.h | |||
@@ -1,11 +1,8 @@ | |||
1 | #ifndef _ASM_SPARC_DMA_MAPPING_H | 1 | #ifndef ___ASM_SPARC_DMA_MAPPING_H |
2 | #define _ASM_SPARC_DMA_MAPPING_H | 2 | #define ___ASM_SPARC_DMA_MAPPING_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | 4 | #include <asm-sparc/dma-mapping_64.h> | |
5 | #ifdef CONFIG_PCI | ||
6 | #include <asm-generic/dma-mapping.h> | ||
7 | #else | 5 | #else |
8 | #include <asm-generic/dma-mapping-broken.h> | 6 | #include <asm-sparc/dma-mapping_32.h> |
9 | #endif /* PCI */ | 7 | #endif |
10 | 8 | #endif | |
11 | #endif /* _ASM_SPARC_DMA_MAPPING_H */ | ||
diff --git a/include/asm-sparc/dma-mapping_32.h b/include/asm-sparc/dma-mapping_32.h new file mode 100644 index 000000000000..f3a641e6b2c8 --- /dev/null +++ b/include/asm-sparc/dma-mapping_32.h | |||
@@ -0,0 +1,11 @@ | |||
1 | #ifndef _ASM_SPARC_DMA_MAPPING_H | ||
2 | #define _ASM_SPARC_DMA_MAPPING_H | ||
3 | |||
4 | |||
5 | #ifdef CONFIG_PCI | ||
6 | #include <asm-generic/dma-mapping.h> | ||
7 | #else | ||
8 | #include <asm-generic/dma-mapping-broken.h> | ||
9 | #endif /* PCI */ | ||
10 | |||
11 | #endif /* _ASM_SPARC_DMA_MAPPING_H */ | ||
diff --git a/include/asm-sparc/dma-mapping_64.h b/include/asm-sparc/dma-mapping_64.h new file mode 100644 index 000000000000..38cbec76a33f --- /dev/null +++ b/include/asm-sparc/dma-mapping_64.h | |||
@@ -0,0 +1,154 @@ | |||
1 | #ifndef _ASM_SPARC64_DMA_MAPPING_H | ||
2 | #define _ASM_SPARC64_DMA_MAPPING_H | ||
3 | |||
4 | #include <linux/scatterlist.h> | ||
5 | #include <linux/mm.h> | ||
6 | |||
7 | #define DMA_ERROR_CODE (~(dma_addr_t)0x0) | ||
8 | |||
9 | struct dma_ops { | ||
10 | void *(*alloc_coherent)(struct device *dev, size_t size, | ||
11 | dma_addr_t *dma_handle, gfp_t flag); | ||
12 | void (*free_coherent)(struct device *dev, size_t size, | ||
13 | void *cpu_addr, dma_addr_t dma_handle); | ||
14 | dma_addr_t (*map_single)(struct device *dev, void *cpu_addr, | ||
15 | size_t size, | ||
16 | enum dma_data_direction direction); | ||
17 | void (*unmap_single)(struct device *dev, dma_addr_t dma_addr, | ||
18 | size_t size, | ||
19 | enum dma_data_direction direction); | ||
20 | int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, | ||
21 | enum dma_data_direction direction); | ||
22 | void (*unmap_sg)(struct device *dev, struct scatterlist *sg, | ||
23 | int nhwentries, | ||
24 | enum dma_data_direction direction); | ||
25 | void (*sync_single_for_cpu)(struct device *dev, | ||
26 | dma_addr_t dma_handle, size_t size, | ||
27 | enum dma_data_direction direction); | ||
28 | void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg, | ||
29 | int nelems, | ||
30 | enum dma_data_direction direction); | ||
31 | }; | ||
32 | extern const struct dma_ops *dma_ops; | ||
33 | |||
34 | extern int dma_supported(struct device *dev, u64 mask); | ||
35 | extern int dma_set_mask(struct device *dev, u64 dma_mask); | ||
36 | |||
37 | static inline void *dma_alloc_coherent(struct device *dev, size_t size, | ||
38 | dma_addr_t *dma_handle, gfp_t flag) | ||
39 | { | ||
40 | return dma_ops->alloc_coherent(dev, size, dma_handle, flag); | ||
41 | } | ||
42 | |||
43 | static inline void dma_free_coherent(struct device *dev, size_t size, | ||
44 | void *cpu_addr, dma_addr_t dma_handle) | ||
45 | { | ||
46 | dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); | ||
47 | } | ||
48 | |||
49 | static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, | ||
50 | size_t size, | ||
51 | enum dma_data_direction direction) | ||
52 | { | ||
53 | return dma_ops->map_single(dev, cpu_addr, size, direction); | ||
54 | } | ||
55 | |||
56 | static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, | ||
57 | size_t size, | ||
58 | enum dma_data_direction direction) | ||
59 | { | ||
60 | dma_ops->unmap_single(dev, dma_addr, size, direction); | ||
61 | } | ||
62 | |||
63 | static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, | ||
64 | unsigned long offset, size_t size, | ||
65 | enum dma_data_direction direction) | ||
66 | { | ||
67 | return dma_ops->map_single(dev, page_address(page) + offset, | ||
68 | size, direction); | ||
69 | } | ||
70 | |||
71 | static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, | ||
72 | size_t size, | ||
73 | enum dma_data_direction direction) | ||
74 | { | ||
75 | dma_ops->unmap_single(dev, dma_address, size, direction); | ||
76 | } | ||
77 | |||
78 | static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, | ||
79 | int nents, enum dma_data_direction direction) | ||
80 | { | ||
81 | return dma_ops->map_sg(dev, sg, nents, direction); | ||
82 | } | ||
83 | |||
84 | static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, | ||
85 | int nents, enum dma_data_direction direction) | ||
86 | { | ||
87 | dma_ops->unmap_sg(dev, sg, nents, direction); | ||
88 | } | ||
89 | |||
90 | static inline void dma_sync_single_for_cpu(struct device *dev, | ||
91 | dma_addr_t dma_handle, size_t size, | ||
92 | enum dma_data_direction direction) | ||
93 | { | ||
94 | dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction); | ||
95 | } | ||
96 | |||
97 | static inline void dma_sync_single_for_device(struct device *dev, | ||
98 | dma_addr_t dma_handle, | ||
99 | size_t size, | ||
100 | enum dma_data_direction direction) | ||
101 | { | ||
102 | /* No flushing needed to sync cpu writes to the device. */ | ||
103 | } | ||
104 | |||
105 | static inline void dma_sync_single_range_for_cpu(struct device *dev, | ||
106 | dma_addr_t dma_handle, | ||
107 | unsigned long offset, | ||
108 | size_t size, | ||
109 | enum dma_data_direction direction) | ||
110 | { | ||
111 | dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); | ||
112 | } | ||
113 | |||
114 | static inline void dma_sync_single_range_for_device(struct device *dev, | ||
115 | dma_addr_t dma_handle, | ||
116 | unsigned long offset, | ||
117 | size_t size, | ||
118 | enum dma_data_direction direction) | ||
119 | { | ||
120 | /* No flushing needed to sync cpu writes to the device. */ | ||
121 | } | ||
122 | |||
123 | |||
124 | static inline void dma_sync_sg_for_cpu(struct device *dev, | ||
125 | struct scatterlist *sg, int nelems, | ||
126 | enum dma_data_direction direction) | ||
127 | { | ||
128 | dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction); | ||
129 | } | ||
130 | |||
131 | static inline void dma_sync_sg_for_device(struct device *dev, | ||
132 | struct scatterlist *sg, int nelems, | ||
133 | enum dma_data_direction direction) | ||
134 | { | ||
135 | /* No flushing needed to sync cpu writes to the device. */ | ||
136 | } | ||
137 | |||
138 | static inline int dma_mapping_error(dma_addr_t dma_addr) | ||
139 | { | ||
140 | return (dma_addr == DMA_ERROR_CODE); | ||
141 | } | ||
142 | |||
143 | static inline int dma_get_cache_alignment(void) | ||
144 | { | ||
145 | /* no easy way to get cache size on all processors, so return | ||
146 | * the maximum possible, to be safe */ | ||
147 | return (1 << INTERNODE_CACHE_SHIFT); | ||
148 | } | ||
149 | |||
150 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) | ||
151 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) | ||
152 | #define dma_is_consistent(d, h) (1) | ||
153 | |||
154 | #endif /* _ASM_SPARC64_DMA_MAPPING_H */ | ||
diff --git a/include/asm-sparc/dma.h b/include/asm-sparc/dma.h index 959d6c8a71ae..8cc69bfaae2a 100644 --- a/include/asm-sparc/dma.h +++ b/include/asm-sparc/dma.h | |||
@@ -1,288 +1,8 @@ | |||
1 | /* include/asm-sparc/dma.h | 1 | #ifndef ___ASM_SPARC_DMA_H |
2 | * | 2 | #define ___ASM_SPARC_DMA_H |
3 | * Copyright 1995 (C) David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/dma_64.h> |
5 | |||
6 | #ifndef _ASM_SPARC_DMA_H | ||
7 | #define _ASM_SPARC_DMA_H | ||
8 | |||
9 | #include <linux/kernel.h> | ||
10 | #include <linux/types.h> | ||
11 | |||
12 | #include <asm/vac-ops.h> /* for invalidate's, etc. */ | ||
13 | #include <asm/sbus.h> | ||
14 | #include <asm/delay.h> | ||
15 | #include <asm/oplib.h> | ||
16 | #include <asm/system.h> | ||
17 | #include <asm/io.h> | ||
18 | #include <linux/spinlock.h> | ||
19 | |||
20 | struct page; | ||
21 | extern spinlock_t dma_spin_lock; | ||
22 | |||
23 | static inline unsigned long claim_dma_lock(void) | ||
24 | { | ||
25 | unsigned long flags; | ||
26 | spin_lock_irqsave(&dma_spin_lock, flags); | ||
27 | return flags; | ||
28 | } | ||
29 | |||
30 | static inline void release_dma_lock(unsigned long flags) | ||
31 | { | ||
32 | spin_unlock_irqrestore(&dma_spin_lock, flags); | ||
33 | } | ||
34 | |||
35 | /* These are irrelevant for Sparc DMA, but we leave it in so that | ||
36 | * things can compile. | ||
37 | */ | ||
38 | #define MAX_DMA_CHANNELS 8 | ||
39 | #define MAX_DMA_ADDRESS (~0UL) | ||
40 | #define DMA_MODE_READ 1 | ||
41 | #define DMA_MODE_WRITE 2 | ||
42 | |||
43 | /* Useful constants */ | ||
44 | #define SIZE_16MB (16*1024*1024) | ||
45 | #define SIZE_64K (64*1024) | ||
46 | |||
47 | /* SBUS DMA controller reg offsets */ | ||
48 | #define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ | ||
49 | #define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ | ||
50 | #define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ | ||
51 | #define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ | ||
52 | |||
53 | /* DVMA chip revisions */ | ||
54 | enum dvma_rev { | ||
55 | dvmarev0, | ||
56 | dvmaesc1, | ||
57 | dvmarev1, | ||
58 | dvmarev2, | ||
59 | dvmarev3, | ||
60 | dvmarevplus, | ||
61 | dvmahme | ||
62 | }; | ||
63 | |||
64 | #define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) | ||
65 | |||
66 | /* Linux DMA information structure, filled during probe. */ | ||
67 | struct sbus_dma { | ||
68 | struct sbus_dma *next; | ||
69 | struct sbus_dev *sdev; | ||
70 | void __iomem *regs; | ||
71 | |||
72 | /* Status, misc info */ | ||
73 | int node; /* Prom node for this DMA device */ | ||
74 | int running; /* Are we doing DMA now? */ | ||
75 | int allocated; /* Are we "owned" by anyone yet? */ | ||
76 | |||
77 | /* Transfer information. */ | ||
78 | unsigned long addr; /* Start address of current transfer */ | ||
79 | int nbytes; /* Size of current transfer */ | ||
80 | int realbytes; /* For splitting up large transfers, etc. */ | ||
81 | |||
82 | /* DMA revision */ | ||
83 | enum dvma_rev revision; | ||
84 | }; | ||
85 | |||
86 | extern struct sbus_dma *dma_chain; | ||
87 | |||
88 | /* Broken hardware... */ | ||
89 | #ifdef CONFIG_SUN4 | ||
90 | /* Have to sort this out. Does rev0 work fine on sun4[cmd] without isbroken? | ||
91 | * Or is rev0 present only on sun4 boxes? -jj */ | ||
92 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev0 || (dma)->revision == dvmarev1) | ||
93 | #else | 5 | #else |
94 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) | 6 | #include <asm-sparc/dma_32.h> |
95 | #endif | 7 | #endif |
96 | #define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) | ||
97 | |||
98 | /* Main routines in dma.c */ | ||
99 | extern void dvma_init(struct sbus_bus *); | ||
100 | |||
101 | /* Fields in the cond_reg register */ | ||
102 | /* First, the version identification bits */ | ||
103 | #define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ | ||
104 | #define DMA_VERS0 0x00000000 /* Sunray DMA version */ | ||
105 | #define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ | ||
106 | #define DMA_VERS1 0x80000000 /* DMA rev 1 */ | ||
107 | #define DMA_VERS2 0xa0000000 /* DMA rev 2 */ | ||
108 | #define DMA_VERHME 0xb0000000 /* DMA hme gate array */ | ||
109 | #define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ | ||
110 | |||
111 | #define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ | ||
112 | #define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ | ||
113 | #define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ | ||
114 | #define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ | ||
115 | #define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ | ||
116 | #define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ | ||
117 | #define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ | ||
118 | #define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ | ||
119 | #define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ | ||
120 | #define DMA_RST_BPP DMA_RST_SCSI /* Reset the BPP controller */ | ||
121 | #define DMA_ST_WRITE 0x00000100 /* write from device to memory */ | ||
122 | #define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ | ||
123 | #define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ | ||
124 | #define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ | ||
125 | #define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ | ||
126 | #define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ | ||
127 | #define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ | ||
128 | #define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ | ||
129 | #define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ | ||
130 | #define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ | ||
131 | #define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ | ||
132 | #define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ | ||
133 | #define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ | ||
134 | #define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ | ||
135 | #define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ | ||
136 | #define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ | ||
137 | #define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ | ||
138 | #define DMA_BRST64 0x00080000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ | ||
139 | #define DMA_BRST32 0x00040000 /* SCSI/BPP: 32byte bursts */ | ||
140 | #define DMA_BRST16 0x00000000 /* SCSI/BPP: 16byte bursts */ | ||
141 | #define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ | ||
142 | #define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ | ||
143 | #define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ | ||
144 | #define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ | ||
145 | #define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ | ||
146 | #define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ | ||
147 | #define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ | ||
148 | #define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ | ||
149 | #define DMA_BPP_ON DMA_SCSI_ON /* Enable BPP dma */ | ||
150 | #define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ | ||
151 | #define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ | ||
152 | #define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ | ||
153 | #define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ | ||
154 | |||
155 | /* Values describing the burst-size property from the PROM */ | ||
156 | #define DMA_BURST1 0x01 | ||
157 | #define DMA_BURST2 0x02 | ||
158 | #define DMA_BURST4 0x04 | ||
159 | #define DMA_BURST8 0x08 | ||
160 | #define DMA_BURST16 0x10 | ||
161 | #define DMA_BURST32 0x20 | ||
162 | #define DMA_BURST64 0x40 | ||
163 | #define DMA_BURSTBITS 0x7f | ||
164 | |||
165 | /* Determine highest possible final transfer address given a base */ | ||
166 | #define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) | ||
167 | |||
168 | /* Yes, I hack a lot of elisp in my spare time... */ | ||
169 | #define DMA_ERROR_P(regs) ((((regs)->cond_reg) & DMA_HNDL_ERROR)) | ||
170 | #define DMA_IRQ_P(regs) ((((regs)->cond_reg) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))) | ||
171 | #define DMA_WRITE_P(regs) ((((regs)->cond_reg) & DMA_ST_WRITE)) | ||
172 | #define DMA_OFF(regs) ((((regs)->cond_reg) &= (~DMA_ENABLE))) | ||
173 | #define DMA_INTSOFF(regs) ((((regs)->cond_reg) &= (~DMA_INT_ENAB))) | ||
174 | #define DMA_INTSON(regs) ((((regs)->cond_reg) |= (DMA_INT_ENAB))) | ||
175 | #define DMA_PUNTFIFO(regs) ((((regs)->cond_reg) |= DMA_FIFO_INV)) | ||
176 | #define DMA_SETSTART(regs, addr) ((((regs)->st_addr) = (char *) addr)) | ||
177 | #define DMA_BEGINDMA_W(regs) \ | ||
178 | ((((regs)->cond_reg |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB)))) | ||
179 | #define DMA_BEGINDMA_R(regs) \ | ||
180 | ((((regs)->cond_reg |= ((DMA_ENABLE|DMA_INT_ENAB)&(~DMA_ST_WRITE))))) | ||
181 | |||
182 | /* For certain DMA chips, we need to disable ints upon irq entry | ||
183 | * and turn them back on when we are done. So in any ESP interrupt | ||
184 | * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT | ||
185 | * when leaving the handler. You have been warned... | ||
186 | */ | ||
187 | #define DMA_IRQ_ENTRY(dma, dregs) do { \ | ||
188 | if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ | ||
189 | } while (0) | ||
190 | |||
191 | #define DMA_IRQ_EXIT(dma, dregs) do { \ | ||
192 | if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ | ||
193 | } while(0) | ||
194 | |||
195 | #if 0 /* P3 this stuff is inline in ledma.c:init_restart_ledma() */ | ||
196 | /* Pause until counter runs out or BIT isn't set in the DMA condition | ||
197 | * register. | ||
198 | */ | ||
199 | static inline void sparc_dma_pause(struct sparc_dma_registers *regs, | ||
200 | unsigned long bit) | ||
201 | { | ||
202 | int ctr = 50000; /* Let's find some bugs ;) */ | ||
203 | |||
204 | /* Busy wait until the bit is not set any more */ | ||
205 | while((regs->cond_reg&bit) && (ctr>0)) { | ||
206 | ctr--; | ||
207 | __delay(5); | ||
208 | } | ||
209 | |||
210 | /* Check for bogus outcome. */ | ||
211 | if(!ctr) | ||
212 | panic("DMA timeout"); | ||
213 | } | ||
214 | |||
215 | /* Reset the friggin' thing... */ | ||
216 | #define DMA_RESET(dma) do { \ | ||
217 | struct sparc_dma_registers *regs = dma->regs; \ | ||
218 | /* Let the current FIFO drain itself */ \ | ||
219 | sparc_dma_pause(regs, (DMA_FIFO_ISDRAIN)); \ | ||
220 | /* Reset the logic */ \ | ||
221 | regs->cond_reg |= (DMA_RST_SCSI); /* assert */ \ | ||
222 | __delay(400); /* let the bits set ;) */ \ | ||
223 | regs->cond_reg &= ~(DMA_RST_SCSI); /* de-assert */ \ | ||
224 | sparc_dma_enable_interrupts(regs); /* Re-enable interrupts */ \ | ||
225 | /* Enable FAST transfers if available */ \ | ||
226 | if(dma->revision>dvmarev1) regs->cond_reg |= DMA_3CLKS; \ | ||
227 | dma->running = 0; \ | ||
228 | } while(0) | ||
229 | #endif | 8 | #endif |
230 | |||
231 | #define for_each_dvma(dma) \ | ||
232 | for((dma) = dma_chain; (dma); (dma) = (dma)->next) | ||
233 | |||
234 | extern int get_dma_list(char *); | ||
235 | extern int request_dma(unsigned int, __const__ char *); | ||
236 | extern void free_dma(unsigned int); | ||
237 | |||
238 | /* From PCI */ | ||
239 | |||
240 | #ifdef CONFIG_PCI | ||
241 | extern int isa_dma_bridge_buggy; | ||
242 | #else | ||
243 | #define isa_dma_bridge_buggy (0) | ||
244 | #endif | ||
245 | |||
246 | /* Routines for data transfer buffers. */ | ||
247 | BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long) | ||
248 | BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long) | ||
249 | |||
250 | #define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len) | ||
251 | #define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len) | ||
252 | |||
253 | /* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */ | ||
254 | BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus) | ||
255 | BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) | ||
256 | BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus) | ||
257 | BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) | ||
258 | |||
259 | #define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus) | ||
260 | #define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus) | ||
261 | #define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus) | ||
262 | #define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus) | ||
263 | |||
264 | /* | ||
265 | * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep. | ||
266 | * | ||
267 | * The mmu_map_dma_area establishes two mappings in one go. | ||
268 | * These mappings point to pages normally mapped at 'va' (linear address). | ||
269 | * First mapping is for CPU visible address at 'a', uncached. | ||
270 | * This is an alias, but it works because it is an uncached mapping. | ||
271 | * Second mapping is for device visible address, or "bus" address. | ||
272 | * The bus address is returned at '*pba'. | ||
273 | * | ||
274 | * These functions seem distinct, but are hard to split. On sun4c, | ||
275 | * at least for now, 'a' is equal to bus address, and retured in *pba. | ||
276 | * On sun4m, page attributes depend on the CPU type, so we have to | ||
277 | * know if we are mapping RAM or I/O, so it has to be an additional argument | ||
278 | * to a separate mapping function for CPU visible mappings. | ||
279 | */ | ||
280 | BTFIXUPDEF_CALL(int, mmu_map_dma_area, dma_addr_t *, unsigned long, unsigned long, int len) | ||
281 | BTFIXUPDEF_CALL(struct page *, mmu_translate_dvma, unsigned long busa) | ||
282 | BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, unsigned long busa, int len) | ||
283 | |||
284 | #define mmu_map_dma_area(pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(pba,va,a,len) | ||
285 | #define mmu_unmap_dma_area(ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(ba,len) | ||
286 | #define mmu_translate_dvma(ba) BTFIXUP_CALL(mmu_translate_dvma)(ba) | ||
287 | |||
288 | #endif /* !(_ASM_SPARC_DMA_H) */ | ||
diff --git a/include/asm-sparc/dma_32.h b/include/asm-sparc/dma_32.h new file mode 100644 index 000000000000..959d6c8a71ae --- /dev/null +++ b/include/asm-sparc/dma_32.h | |||
@@ -0,0 +1,288 @@ | |||
1 | /* include/asm-sparc/dma.h | ||
2 | * | ||
3 | * Copyright 1995 (C) David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _ASM_SPARC_DMA_H | ||
7 | #define _ASM_SPARC_DMA_H | ||
8 | |||
9 | #include <linux/kernel.h> | ||
10 | #include <linux/types.h> | ||
11 | |||
12 | #include <asm/vac-ops.h> /* for invalidate's, etc. */ | ||
13 | #include <asm/sbus.h> | ||
14 | #include <asm/delay.h> | ||
15 | #include <asm/oplib.h> | ||
16 | #include <asm/system.h> | ||
17 | #include <asm/io.h> | ||
18 | #include <linux/spinlock.h> | ||
19 | |||
20 | struct page; | ||
21 | extern spinlock_t dma_spin_lock; | ||
22 | |||
23 | static inline unsigned long claim_dma_lock(void) | ||
24 | { | ||
25 | unsigned long flags; | ||
26 | spin_lock_irqsave(&dma_spin_lock, flags); | ||
27 | return flags; | ||
28 | } | ||
29 | |||
30 | static inline void release_dma_lock(unsigned long flags) | ||
31 | { | ||
32 | spin_unlock_irqrestore(&dma_spin_lock, flags); | ||
33 | } | ||
34 | |||
35 | /* These are irrelevant for Sparc DMA, but we leave it in so that | ||
36 | * things can compile. | ||
37 | */ | ||
38 | #define MAX_DMA_CHANNELS 8 | ||
39 | #define MAX_DMA_ADDRESS (~0UL) | ||
40 | #define DMA_MODE_READ 1 | ||
41 | #define DMA_MODE_WRITE 2 | ||
42 | |||
43 | /* Useful constants */ | ||
44 | #define SIZE_16MB (16*1024*1024) | ||
45 | #define SIZE_64K (64*1024) | ||
46 | |||
47 | /* SBUS DMA controller reg offsets */ | ||
48 | #define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ | ||
49 | #define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ | ||
50 | #define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ | ||
51 | #define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ | ||
52 | |||
53 | /* DVMA chip revisions */ | ||
54 | enum dvma_rev { | ||
55 | dvmarev0, | ||
56 | dvmaesc1, | ||
57 | dvmarev1, | ||
58 | dvmarev2, | ||
59 | dvmarev3, | ||
60 | dvmarevplus, | ||
61 | dvmahme | ||
62 | }; | ||
63 | |||
64 | #define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) | ||
65 | |||
66 | /* Linux DMA information structure, filled during probe. */ | ||
67 | struct sbus_dma { | ||
68 | struct sbus_dma *next; | ||
69 | struct sbus_dev *sdev; | ||
70 | void __iomem *regs; | ||
71 | |||
72 | /* Status, misc info */ | ||
73 | int node; /* Prom node for this DMA device */ | ||
74 | int running; /* Are we doing DMA now? */ | ||
75 | int allocated; /* Are we "owned" by anyone yet? */ | ||
76 | |||
77 | /* Transfer information. */ | ||
78 | unsigned long addr; /* Start address of current transfer */ | ||
79 | int nbytes; /* Size of current transfer */ | ||
80 | int realbytes; /* For splitting up large transfers, etc. */ | ||
81 | |||
82 | /* DMA revision */ | ||
83 | enum dvma_rev revision; | ||
84 | }; | ||
85 | |||
86 | extern struct sbus_dma *dma_chain; | ||
87 | |||
88 | /* Broken hardware... */ | ||
89 | #ifdef CONFIG_SUN4 | ||
90 | /* Have to sort this out. Does rev0 work fine on sun4[cmd] without isbroken? | ||
91 | * Or is rev0 present only on sun4 boxes? -jj */ | ||
92 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev0 || (dma)->revision == dvmarev1) | ||
93 | #else | ||
94 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) | ||
95 | #endif | ||
96 | #define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) | ||
97 | |||
98 | /* Main routines in dma.c */ | ||
99 | extern void dvma_init(struct sbus_bus *); | ||
100 | |||
101 | /* Fields in the cond_reg register */ | ||
102 | /* First, the version identification bits */ | ||
103 | #define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ | ||
104 | #define DMA_VERS0 0x00000000 /* Sunray DMA version */ | ||
105 | #define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ | ||
106 | #define DMA_VERS1 0x80000000 /* DMA rev 1 */ | ||
107 | #define DMA_VERS2 0xa0000000 /* DMA rev 2 */ | ||
108 | #define DMA_VERHME 0xb0000000 /* DMA hme gate array */ | ||
109 | #define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ | ||
110 | |||
111 | #define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ | ||
112 | #define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ | ||
113 | #define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ | ||
114 | #define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ | ||
115 | #define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ | ||
116 | #define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ | ||
117 | #define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ | ||
118 | #define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ | ||
119 | #define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ | ||
120 | #define DMA_RST_BPP DMA_RST_SCSI /* Reset the BPP controller */ | ||
121 | #define DMA_ST_WRITE 0x00000100 /* write from device to memory */ | ||
122 | #define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ | ||
123 | #define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ | ||
124 | #define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ | ||
125 | #define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ | ||
126 | #define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ | ||
127 | #define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ | ||
128 | #define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ | ||
129 | #define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ | ||
130 | #define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ | ||
131 | #define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ | ||
132 | #define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ | ||
133 | #define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ | ||
134 | #define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ | ||
135 | #define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ | ||
136 | #define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ | ||
137 | #define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ | ||
138 | #define DMA_BRST64 0x00080000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ | ||
139 | #define DMA_BRST32 0x00040000 /* SCSI/BPP: 32byte bursts */ | ||
140 | #define DMA_BRST16 0x00000000 /* SCSI/BPP: 16byte bursts */ | ||
141 | #define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ | ||
142 | #define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ | ||
143 | #define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ | ||
144 | #define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ | ||
145 | #define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ | ||
146 | #define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ | ||
147 | #define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ | ||
148 | #define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ | ||
149 | #define DMA_BPP_ON DMA_SCSI_ON /* Enable BPP dma */ | ||
150 | #define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ | ||
151 | #define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ | ||
152 | #define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ | ||
153 | #define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ | ||
154 | |||
155 | /* Values describing the burst-size property from the PROM */ | ||
156 | #define DMA_BURST1 0x01 | ||
157 | #define DMA_BURST2 0x02 | ||
158 | #define DMA_BURST4 0x04 | ||
159 | #define DMA_BURST8 0x08 | ||
160 | #define DMA_BURST16 0x10 | ||
161 | #define DMA_BURST32 0x20 | ||
162 | #define DMA_BURST64 0x40 | ||
163 | #define DMA_BURSTBITS 0x7f | ||
164 | |||
165 | /* Determine highest possible final transfer address given a base */ | ||
166 | #define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) | ||
167 | |||
168 | /* Yes, I hack a lot of elisp in my spare time... */ | ||
169 | #define DMA_ERROR_P(regs) ((((regs)->cond_reg) & DMA_HNDL_ERROR)) | ||
170 | #define DMA_IRQ_P(regs) ((((regs)->cond_reg) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))) | ||
171 | #define DMA_WRITE_P(regs) ((((regs)->cond_reg) & DMA_ST_WRITE)) | ||
172 | #define DMA_OFF(regs) ((((regs)->cond_reg) &= (~DMA_ENABLE))) | ||
173 | #define DMA_INTSOFF(regs) ((((regs)->cond_reg) &= (~DMA_INT_ENAB))) | ||
174 | #define DMA_INTSON(regs) ((((regs)->cond_reg) |= (DMA_INT_ENAB))) | ||
175 | #define DMA_PUNTFIFO(regs) ((((regs)->cond_reg) |= DMA_FIFO_INV)) | ||
176 | #define DMA_SETSTART(regs, addr) ((((regs)->st_addr) = (char *) addr)) | ||
177 | #define DMA_BEGINDMA_W(regs) \ | ||
178 | ((((regs)->cond_reg |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB)))) | ||
179 | #define DMA_BEGINDMA_R(regs) \ | ||
180 | ((((regs)->cond_reg |= ((DMA_ENABLE|DMA_INT_ENAB)&(~DMA_ST_WRITE))))) | ||
181 | |||
182 | /* For certain DMA chips, we need to disable ints upon irq entry | ||
183 | * and turn them back on when we are done. So in any ESP interrupt | ||
184 | * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT | ||
185 | * when leaving the handler. You have been warned... | ||
186 | */ | ||
187 | #define DMA_IRQ_ENTRY(dma, dregs) do { \ | ||
188 | if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ | ||
189 | } while (0) | ||
190 | |||
191 | #define DMA_IRQ_EXIT(dma, dregs) do { \ | ||
192 | if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ | ||
193 | } while(0) | ||
194 | |||
195 | #if 0 /* P3 this stuff is inline in ledma.c:init_restart_ledma() */ | ||
196 | /* Pause until counter runs out or BIT isn't set in the DMA condition | ||
197 | * register. | ||
198 | */ | ||
199 | static inline void sparc_dma_pause(struct sparc_dma_registers *regs, | ||
200 | unsigned long bit) | ||
201 | { | ||
202 | int ctr = 50000; /* Let's find some bugs ;) */ | ||
203 | |||
204 | /* Busy wait until the bit is not set any more */ | ||
205 | while((regs->cond_reg&bit) && (ctr>0)) { | ||
206 | ctr--; | ||
207 | __delay(5); | ||
208 | } | ||
209 | |||
210 | /* Check for bogus outcome. */ | ||
211 | if(!ctr) | ||
212 | panic("DMA timeout"); | ||
213 | } | ||
214 | |||
215 | /* Reset the friggin' thing... */ | ||
216 | #define DMA_RESET(dma) do { \ | ||
217 | struct sparc_dma_registers *regs = dma->regs; \ | ||
218 | /* Let the current FIFO drain itself */ \ | ||
219 | sparc_dma_pause(regs, (DMA_FIFO_ISDRAIN)); \ | ||
220 | /* Reset the logic */ \ | ||
221 | regs->cond_reg |= (DMA_RST_SCSI); /* assert */ \ | ||
222 | __delay(400); /* let the bits set ;) */ \ | ||
223 | regs->cond_reg &= ~(DMA_RST_SCSI); /* de-assert */ \ | ||
224 | sparc_dma_enable_interrupts(regs); /* Re-enable interrupts */ \ | ||
225 | /* Enable FAST transfers if available */ \ | ||
226 | if(dma->revision>dvmarev1) regs->cond_reg |= DMA_3CLKS; \ | ||
227 | dma->running = 0; \ | ||
228 | } while(0) | ||
229 | #endif | ||
230 | |||
231 | #define for_each_dvma(dma) \ | ||
232 | for((dma) = dma_chain; (dma); (dma) = (dma)->next) | ||
233 | |||
234 | extern int get_dma_list(char *); | ||
235 | extern int request_dma(unsigned int, __const__ char *); | ||
236 | extern void free_dma(unsigned int); | ||
237 | |||
238 | /* From PCI */ | ||
239 | |||
240 | #ifdef CONFIG_PCI | ||
241 | extern int isa_dma_bridge_buggy; | ||
242 | #else | ||
243 | #define isa_dma_bridge_buggy (0) | ||
244 | #endif | ||
245 | |||
246 | /* Routines for data transfer buffers. */ | ||
247 | BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long) | ||
248 | BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long) | ||
249 | |||
250 | #define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len) | ||
251 | #define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len) | ||
252 | |||
253 | /* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */ | ||
254 | BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus) | ||
255 | BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) | ||
256 | BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus) | ||
257 | BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) | ||
258 | |||
259 | #define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus) | ||
260 | #define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus) | ||
261 | #define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus) | ||
262 | #define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus) | ||
263 | |||
264 | /* | ||
265 | * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep. | ||
266 | * | ||
267 | * The mmu_map_dma_area establishes two mappings in one go. | ||
268 | * These mappings point to pages normally mapped at 'va' (linear address). | ||
269 | * First mapping is for CPU visible address at 'a', uncached. | ||
270 | * This is an alias, but it works because it is an uncached mapping. | ||
271 | * Second mapping is for device visible address, or "bus" address. | ||
272 | * The bus address is returned at '*pba'. | ||
273 | * | ||
274 | * These functions seem distinct, but are hard to split. On sun4c, | ||
275 | * at least for now, 'a' is equal to bus address, and retured in *pba. | ||
276 | * On sun4m, page attributes depend on the CPU type, so we have to | ||
277 | * know if we are mapping RAM or I/O, so it has to be an additional argument | ||
278 | * to a separate mapping function for CPU visible mappings. | ||
279 | */ | ||
280 | BTFIXUPDEF_CALL(int, mmu_map_dma_area, dma_addr_t *, unsigned long, unsigned long, int len) | ||
281 | BTFIXUPDEF_CALL(struct page *, mmu_translate_dvma, unsigned long busa) | ||
282 | BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, unsigned long busa, int len) | ||
283 | |||
284 | #define mmu_map_dma_area(pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(pba,va,a,len) | ||
285 | #define mmu_unmap_dma_area(ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(ba,len) | ||
286 | #define mmu_translate_dvma(ba) BTFIXUP_CALL(mmu_translate_dvma)(ba) | ||
287 | |||
288 | #endif /* !(_ASM_SPARC_DMA_H) */ | ||
diff --git a/include/asm-sparc/dma_64.h b/include/asm-sparc/dma_64.h new file mode 100644 index 000000000000..9d4c024bd3b3 --- /dev/null +++ b/include/asm-sparc/dma_64.h | |||
@@ -0,0 +1,205 @@ | |||
1 | /* | ||
2 | * include/asm-sparc64/dma.h | ||
3 | * | ||
4 | * Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _ASM_SPARC64_DMA_H | ||
8 | #define _ASM_SPARC64_DMA_H | ||
9 | |||
10 | #include <linux/kernel.h> | ||
11 | #include <linux/types.h> | ||
12 | #include <linux/spinlock.h> | ||
13 | |||
14 | #include <asm/sbus.h> | ||
15 | #include <asm/delay.h> | ||
16 | #include <asm/oplib.h> | ||
17 | |||
18 | /* These are irrelevant for Sparc DMA, but we leave it in so that | ||
19 | * things can compile. | ||
20 | */ | ||
21 | #define MAX_DMA_CHANNELS 8 | ||
22 | #define DMA_MODE_READ 1 | ||
23 | #define DMA_MODE_WRITE 2 | ||
24 | #define MAX_DMA_ADDRESS (~0UL) | ||
25 | |||
26 | /* Useful constants */ | ||
27 | #define SIZE_16MB (16*1024*1024) | ||
28 | #define SIZE_64K (64*1024) | ||
29 | |||
30 | /* SBUS DMA controller reg offsets */ | ||
31 | #define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ | ||
32 | #define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ | ||
33 | #define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ | ||
34 | #define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ | ||
35 | |||
36 | /* DVMA chip revisions */ | ||
37 | enum dvma_rev { | ||
38 | dvmarev0, | ||
39 | dvmaesc1, | ||
40 | dvmarev1, | ||
41 | dvmarev2, | ||
42 | dvmarev3, | ||
43 | dvmarevplus, | ||
44 | dvmahme | ||
45 | }; | ||
46 | |||
47 | #define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) | ||
48 | |||
49 | /* Linux DMA information structure, filled during probe. */ | ||
50 | struct sbus_dma { | ||
51 | struct sbus_dma *next; | ||
52 | struct sbus_dev *sdev; | ||
53 | void __iomem *regs; | ||
54 | |||
55 | /* Status, misc info */ | ||
56 | int node; /* Prom node for this DMA device */ | ||
57 | int running; /* Are we doing DMA now? */ | ||
58 | int allocated; /* Are we "owned" by anyone yet? */ | ||
59 | |||
60 | /* Transfer information. */ | ||
61 | u32 addr; /* Start address of current transfer */ | ||
62 | int nbytes; /* Size of current transfer */ | ||
63 | int realbytes; /* For splitting up large transfers, etc. */ | ||
64 | |||
65 | /* DMA revision */ | ||
66 | enum dvma_rev revision; | ||
67 | }; | ||
68 | |||
69 | extern struct sbus_dma *dma_chain; | ||
70 | |||
71 | /* Broken hardware... */ | ||
72 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) | ||
73 | #define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) | ||
74 | |||
75 | /* Main routines in dma.c */ | ||
76 | extern void dvma_init(struct sbus_bus *); | ||
77 | |||
78 | /* Fields in the cond_reg register */ | ||
79 | /* First, the version identification bits */ | ||
80 | #define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ | ||
81 | #define DMA_VERS0 0x00000000 /* Sunray DMA version */ | ||
82 | #define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ | ||
83 | #define DMA_VERS1 0x80000000 /* DMA rev 1 */ | ||
84 | #define DMA_VERS2 0xa0000000 /* DMA rev 2 */ | ||
85 | #define DMA_VERHME 0xb0000000 /* DMA hme gate array */ | ||
86 | #define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ | ||
87 | |||
88 | #define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ | ||
89 | #define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ | ||
90 | #define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ | ||
91 | #define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ | ||
92 | #define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ | ||
93 | #define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ | ||
94 | #define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ | ||
95 | #define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ | ||
96 | #define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ | ||
97 | #define DMA_ST_WRITE 0x00000100 /* write from device to memory */ | ||
98 | #define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ | ||
99 | #define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ | ||
100 | #define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ | ||
101 | #define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ | ||
102 | #define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ | ||
103 | #define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ | ||
104 | #define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ | ||
105 | #define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ | ||
106 | #define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ | ||
107 | #define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ | ||
108 | #define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ | ||
109 | #define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ | ||
110 | #define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ | ||
111 | #define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ | ||
112 | #define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ | ||
113 | #define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ | ||
114 | #define DMA_BRST64 0x000c0000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ | ||
115 | #define DMA_BRST32 0x00040000 /* SCSI: 32byte bursts */ | ||
116 | #define DMA_BRST16 0x00000000 /* SCSI: 16byte bursts */ | ||
117 | #define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ | ||
118 | #define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ | ||
119 | #define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ | ||
120 | #define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ | ||
121 | #define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ | ||
122 | #define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ | ||
123 | #define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ | ||
124 | #define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ | ||
125 | #define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ | ||
126 | #define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ | ||
127 | #define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ | ||
128 | #define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ | ||
129 | |||
130 | /* Values describing the burst-size property from the PROM */ | ||
131 | #define DMA_BURST1 0x01 | ||
132 | #define DMA_BURST2 0x02 | ||
133 | #define DMA_BURST4 0x04 | ||
134 | #define DMA_BURST8 0x08 | ||
135 | #define DMA_BURST16 0x10 | ||
136 | #define DMA_BURST32 0x20 | ||
137 | #define DMA_BURST64 0x40 | ||
138 | #define DMA_BURSTBITS 0x7f | ||
139 | |||
140 | /* Determine highest possible final transfer address given a base */ | ||
141 | #define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) | ||
142 | |||
143 | /* Yes, I hack a lot of elisp in my spare time... */ | ||
144 | #define DMA_ERROR_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR)) | ||
145 | #define DMA_IRQ_P(regs) ((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)) | ||
146 | #define DMA_WRITE_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE)) | ||
147 | #define DMA_OFF(__regs) \ | ||
148 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
149 | tmp &= ~DMA_ENABLE; \ | ||
150 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
151 | } while(0) | ||
152 | #define DMA_INTSOFF(__regs) \ | ||
153 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
154 | tmp &= ~DMA_INT_ENAB; \ | ||
155 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
156 | } while(0) | ||
157 | #define DMA_INTSON(__regs) \ | ||
158 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
159 | tmp |= DMA_INT_ENAB; \ | ||
160 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
161 | } while(0) | ||
162 | #define DMA_PUNTFIFO(__regs) \ | ||
163 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
164 | tmp |= DMA_FIFO_INV; \ | ||
165 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
166 | } while(0) | ||
167 | #define DMA_SETSTART(__regs, __addr) \ | ||
168 | sbus_writel((u32)(__addr), (__regs) + DMA_ADDR); | ||
169 | #define DMA_BEGINDMA_W(__regs) \ | ||
170 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
171 | tmp |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB); \ | ||
172 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
173 | } while(0) | ||
174 | #define DMA_BEGINDMA_R(__regs) \ | ||
175 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
176 | tmp |= (DMA_ENABLE|DMA_INT_ENAB); \ | ||
177 | tmp &= ~DMA_ST_WRITE; \ | ||
178 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
179 | } while(0) | ||
180 | |||
181 | /* For certain DMA chips, we need to disable ints upon irq entry | ||
182 | * and turn them back on when we are done. So in any ESP interrupt | ||
183 | * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT | ||
184 | * when leaving the handler. You have been warned... | ||
185 | */ | ||
186 | #define DMA_IRQ_ENTRY(dma, dregs) do { \ | ||
187 | if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ | ||
188 | } while (0) | ||
189 | |||
190 | #define DMA_IRQ_EXIT(dma, dregs) do { \ | ||
191 | if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ | ||
192 | } while(0) | ||
193 | |||
194 | #define for_each_dvma(dma) \ | ||
195 | for((dma) = dma_chain; (dma); (dma) = (dma)->next) | ||
196 | |||
197 | /* From PCI */ | ||
198 | |||
199 | #ifdef CONFIG_PCI | ||
200 | extern int isa_dma_bridge_buggy; | ||
201 | #else | ||
202 | #define isa_dma_bridge_buggy (0) | ||
203 | #endif | ||
204 | |||
205 | #endif /* !(_ASM_SPARC64_DMA_H) */ | ||
diff --git a/include/asm-sparc/ebus.h b/include/asm-sparc/ebus.h index 491f85d662df..a5da2d00cd18 100644 --- a/include/asm-sparc/ebus.h +++ b/include/asm-sparc/ebus.h | |||
@@ -1,99 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_EBUS_H |
2 | * ebus.h: PCI to Ebus pseudo driver software state. | 2 | #define ___ASM_SPARC_EBUS_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) | 4 | #include <asm-sparc/ebus_64.h> |
5 | * | 5 | #else |
6 | * Adopted for sparc by V. Roganov and G. Raiko. | 6 | #include <asm-sparc/ebus_32.h> |
7 | */ | 7 | #endif |
8 | |||
9 | #ifndef __SPARC_EBUS_H | ||
10 | #define __SPARC_EBUS_H | ||
11 | |||
12 | #ifndef _LINUX_IOPORT_H | ||
13 | #include <linux/ioport.h> | ||
14 | #endif | 8 | #endif |
15 | #include <asm/oplib.h> | ||
16 | #include <asm/prom.h> | ||
17 | #include <asm/of_device.h> | ||
18 | |||
19 | struct linux_ebus_child { | ||
20 | struct linux_ebus_child *next; | ||
21 | struct linux_ebus_device *parent; | ||
22 | struct linux_ebus *bus; | ||
23 | struct device_node *prom_node; | ||
24 | struct resource resource[PROMREG_MAX]; | ||
25 | int num_addrs; | ||
26 | unsigned int irqs[PROMINTR_MAX]; | ||
27 | int num_irqs; | ||
28 | }; | ||
29 | |||
30 | struct linux_ebus_device { | ||
31 | struct of_device ofdev; | ||
32 | struct linux_ebus_device *next; | ||
33 | struct linux_ebus_child *children; | ||
34 | struct linux_ebus *bus; | ||
35 | struct device_node *prom_node; | ||
36 | struct resource resource[PROMREG_MAX]; | ||
37 | int num_addrs; | ||
38 | unsigned int irqs[PROMINTR_MAX]; | ||
39 | int num_irqs; | ||
40 | }; | ||
41 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) | ||
42 | |||
43 | struct linux_ebus { | ||
44 | struct of_device ofdev; | ||
45 | struct linux_ebus *next; | ||
46 | struct linux_ebus_device *devices; | ||
47 | struct linux_pbm_info *parent; | ||
48 | struct pci_dev *self; | ||
49 | struct device_node *prom_node; | ||
50 | }; | ||
51 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) | ||
52 | |||
53 | struct linux_ebus_dma { | ||
54 | unsigned int dcsr; | ||
55 | unsigned int dacr; | ||
56 | unsigned int dbcr; | ||
57 | }; | ||
58 | |||
59 | #define EBUS_DCSR_INT_PEND 0x00000001 | ||
60 | #define EBUS_DCSR_ERR_PEND 0x00000002 | ||
61 | #define EBUS_DCSR_DRAIN 0x00000004 | ||
62 | #define EBUS_DCSR_INT_EN 0x00000010 | ||
63 | #define EBUS_DCSR_RESET 0x00000080 | ||
64 | #define EBUS_DCSR_WRITE 0x00000100 | ||
65 | #define EBUS_DCSR_EN_DMA 0x00000200 | ||
66 | #define EBUS_DCSR_CYC_PEND 0x00000400 | ||
67 | #define EBUS_DCSR_DIAG_RD_DONE 0x00000800 | ||
68 | #define EBUS_DCSR_DIAG_WR_DONE 0x00001000 | ||
69 | #define EBUS_DCSR_EN_CNT 0x00002000 | ||
70 | #define EBUS_DCSR_TC 0x00004000 | ||
71 | #define EBUS_DCSR_DIS_CSR_DRN 0x00010000 | ||
72 | #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 | ||
73 | #define EBUS_DCSR_BURST_SZ_1 0x00080000 | ||
74 | #define EBUS_DCSR_BURST_SZ_4 0x00000000 | ||
75 | #define EBUS_DCSR_BURST_SZ_8 0x00040000 | ||
76 | #define EBUS_DCSR_BURST_SZ_16 0x000c0000 | ||
77 | #define EBUS_DCSR_DIAG_EN 0x00100000 | ||
78 | #define EBUS_DCSR_DIS_ERR_PEND 0x00400000 | ||
79 | #define EBUS_DCSR_TCI_DIS 0x00800000 | ||
80 | #define EBUS_DCSR_EN_NEXT 0x01000000 | ||
81 | #define EBUS_DCSR_DMA_ON 0x02000000 | ||
82 | #define EBUS_DCSR_A_LOADED 0x04000000 | ||
83 | #define EBUS_DCSR_NA_LOADED 0x08000000 | ||
84 | #define EBUS_DCSR_DEV_ID_MASK 0xf0000000 | ||
85 | |||
86 | extern struct linux_ebus *ebus_chain; | ||
87 | |||
88 | extern void ebus_init(void); | ||
89 | |||
90 | #define for_each_ebus(bus) \ | ||
91 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) | ||
92 | |||
93 | #define for_each_ebusdev(dev, bus) \ | ||
94 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) | ||
95 | |||
96 | #define for_each_edevchild(dev, child) \ | ||
97 | for((child) = (dev)->children; (child); (child) = (child)->next) | ||
98 | |||
99 | #endif /* !(__SPARC_EBUS_H) */ | ||
diff --git a/include/asm-sparc/ebus_32.h b/include/asm-sparc/ebus_32.h new file mode 100644 index 000000000000..29cb7dfc6b79 --- /dev/null +++ b/include/asm-sparc/ebus_32.h | |||
@@ -0,0 +1,99 @@ | |||
1 | /* | ||
2 | * ebus.h: PCI to Ebus pseudo driver software state. | ||
3 | * | ||
4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) | ||
5 | * | ||
6 | * Adopted for sparc by V. Roganov and G. Raiko. | ||
7 | */ | ||
8 | |||
9 | #ifndef __SPARC_EBUS_H | ||
10 | #define __SPARC_EBUS_H | ||
11 | |||
12 | #ifndef _LINUX_IOPORT_H | ||
13 | #include <linux/ioport.h> | ||
14 | #endif | ||
15 | #include <asm/oplib.h> | ||
16 | #include <asm/prom.h> | ||
17 | #include <asm/of_device.h> | ||
18 | |||
19 | struct linux_ebus_child { | ||
20 | struct linux_ebus_child *next; | ||
21 | struct linux_ebus_device *parent; | ||
22 | struct linux_ebus *bus; | ||
23 | struct device_node *prom_node; | ||
24 | struct resource resource[PROMREG_MAX]; | ||
25 | int num_addrs; | ||
26 | unsigned int irqs[PROMINTR_MAX]; | ||
27 | int num_irqs; | ||
28 | }; | ||
29 | |||
30 | struct linux_ebus_device { | ||
31 | struct of_device ofdev; | ||
32 | struct linux_ebus_device *next; | ||
33 | struct linux_ebus_child *children; | ||
34 | struct linux_ebus *bus; | ||
35 | struct device_node *prom_node; | ||
36 | struct resource resource[PROMREG_MAX]; | ||
37 | int num_addrs; | ||
38 | unsigned int irqs[PROMINTR_MAX]; | ||
39 | int num_irqs; | ||
40 | }; | ||
41 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) | ||
42 | |||
43 | struct linux_ebus { | ||
44 | struct of_device ofdev; | ||
45 | struct linux_ebus *next; | ||
46 | struct linux_ebus_device *devices; | ||
47 | struct linux_pbm_info *parent; | ||
48 | struct pci_dev *self; | ||
49 | struct device_node *prom_node; | ||
50 | }; | ||
51 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) | ||
52 | |||
53 | struct linux_ebus_dma { | ||
54 | unsigned int dcsr; | ||
55 | unsigned int dacr; | ||
56 | unsigned int dbcr; | ||
57 | }; | ||
58 | |||
59 | #define EBUS_DCSR_INT_PEND 0x00000001 | ||
60 | #define EBUS_DCSR_ERR_PEND 0x00000002 | ||
61 | #define EBUS_DCSR_DRAIN 0x00000004 | ||
62 | #define EBUS_DCSR_INT_EN 0x00000010 | ||
63 | #define EBUS_DCSR_RESET 0x00000080 | ||
64 | #define EBUS_DCSR_WRITE 0x00000100 | ||
65 | #define EBUS_DCSR_EN_DMA 0x00000200 | ||
66 | #define EBUS_DCSR_CYC_PEND 0x00000400 | ||
67 | #define EBUS_DCSR_DIAG_RD_DONE 0x00000800 | ||
68 | #define EBUS_DCSR_DIAG_WR_DONE 0x00001000 | ||
69 | #define EBUS_DCSR_EN_CNT 0x00002000 | ||
70 | #define EBUS_DCSR_TC 0x00004000 | ||
71 | #define EBUS_DCSR_DIS_CSR_DRN 0x00010000 | ||
72 | #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 | ||
73 | #define EBUS_DCSR_BURST_SZ_1 0x00080000 | ||
74 | #define EBUS_DCSR_BURST_SZ_4 0x00000000 | ||
75 | #define EBUS_DCSR_BURST_SZ_8 0x00040000 | ||
76 | #define EBUS_DCSR_BURST_SZ_16 0x000c0000 | ||
77 | #define EBUS_DCSR_DIAG_EN 0x00100000 | ||
78 | #define EBUS_DCSR_DIS_ERR_PEND 0x00400000 | ||
79 | #define EBUS_DCSR_TCI_DIS 0x00800000 | ||
80 | #define EBUS_DCSR_EN_NEXT 0x01000000 | ||
81 | #define EBUS_DCSR_DMA_ON 0x02000000 | ||
82 | #define EBUS_DCSR_A_LOADED 0x04000000 | ||
83 | #define EBUS_DCSR_NA_LOADED 0x08000000 | ||
84 | #define EBUS_DCSR_DEV_ID_MASK 0xf0000000 | ||
85 | |||
86 | extern struct linux_ebus *ebus_chain; | ||
87 | |||
88 | extern void ebus_init(void); | ||
89 | |||
90 | #define for_each_ebus(bus) \ | ||
91 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) | ||
92 | |||
93 | #define for_each_ebusdev(dev, bus) \ | ||
94 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) | ||
95 | |||
96 | #define for_each_edevchild(dev, child) \ | ||
97 | for((child) = (dev)->children; (child); (child) = (child)->next) | ||
98 | |||
99 | #endif /* !(__SPARC_EBUS_H) */ | ||
diff --git a/include/asm-sparc/ebus_64.h b/include/asm-sparc/ebus_64.h new file mode 100644 index 000000000000..fcc62b97ced5 --- /dev/null +++ b/include/asm-sparc/ebus_64.h | |||
@@ -0,0 +1,94 @@ | |||
1 | /* | ||
2 | * ebus.h: PCI to Ebus pseudo driver software state. | ||
3 | * | ||
4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) | ||
5 | * Copyright (C) 1999 David S. Miller (davem@redhat.com) | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_EBUS_H | ||
9 | #define __SPARC64_EBUS_H | ||
10 | |||
11 | #include <asm/oplib.h> | ||
12 | #include <asm/prom.h> | ||
13 | #include <asm/of_device.h> | ||
14 | |||
15 | struct linux_ebus_child { | ||
16 | struct linux_ebus_child *next; | ||
17 | struct linux_ebus_device *parent; | ||
18 | struct linux_ebus *bus; | ||
19 | struct device_node *prom_node; | ||
20 | struct resource resource[PROMREG_MAX]; | ||
21 | int num_addrs; | ||
22 | unsigned int irqs[PROMINTR_MAX]; | ||
23 | int num_irqs; | ||
24 | }; | ||
25 | |||
26 | struct linux_ebus_device { | ||
27 | struct of_device ofdev; | ||
28 | struct linux_ebus_device *next; | ||
29 | struct linux_ebus_child *children; | ||
30 | struct linux_ebus *bus; | ||
31 | struct device_node *prom_node; | ||
32 | struct resource resource[PROMREG_MAX]; | ||
33 | int num_addrs; | ||
34 | unsigned int irqs[PROMINTR_MAX]; | ||
35 | int num_irqs; | ||
36 | }; | ||
37 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) | ||
38 | |||
39 | struct linux_ebus { | ||
40 | struct of_device ofdev; | ||
41 | struct linux_ebus *next; | ||
42 | struct linux_ebus_device *devices; | ||
43 | struct pci_dev *self; | ||
44 | int index; | ||
45 | int is_rio; | ||
46 | struct device_node *prom_node; | ||
47 | }; | ||
48 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) | ||
49 | |||
50 | struct ebus_dma_info { | ||
51 | spinlock_t lock; | ||
52 | void __iomem *regs; | ||
53 | |||
54 | unsigned int flags; | ||
55 | #define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 | ||
56 | #define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 | ||
57 | |||
58 | /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is | ||
59 | * set. | ||
60 | */ | ||
61 | void (*callback)(struct ebus_dma_info *p, int event, void *cookie); | ||
62 | void *client_cookie; | ||
63 | unsigned int irq; | ||
64 | #define EBUS_DMA_EVENT_ERROR 1 | ||
65 | #define EBUS_DMA_EVENT_DMA 2 | ||
66 | #define EBUS_DMA_EVENT_DEVICE 4 | ||
67 | |||
68 | unsigned char name[64]; | ||
69 | }; | ||
70 | |||
71 | extern int ebus_dma_register(struct ebus_dma_info *p); | ||
72 | extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); | ||
73 | extern void ebus_dma_unregister(struct ebus_dma_info *p); | ||
74 | extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, | ||
75 | size_t len); | ||
76 | extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); | ||
77 | extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); | ||
78 | extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); | ||
79 | extern void ebus_dma_enable(struct ebus_dma_info *p, int on); | ||
80 | |||
81 | extern struct linux_ebus *ebus_chain; | ||
82 | |||
83 | extern void ebus_init(void); | ||
84 | |||
85 | #define for_each_ebus(bus) \ | ||
86 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) | ||
87 | |||
88 | #define for_each_ebusdev(dev, bus) \ | ||
89 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) | ||
90 | |||
91 | #define for_each_edevchild(dev, child) \ | ||
92 | for((child) = (dev)->children; (child); (child) = (child)->next) | ||
93 | |||
94 | #endif /* !(__SPARC64_EBUS_H) */ | ||
diff --git a/include/asm-sparc/elf.h b/include/asm-sparc/elf.h index d043f80bc2fd..f035c45d7b5e 100644 --- a/include/asm-sparc/elf.h +++ b/include/asm-sparc/elf.h | |||
@@ -1,145 +1,8 @@ | |||
1 | #ifndef __ASMSPARC_ELF_H | 1 | #ifndef ___ASM_SPARC_ELF_H |
2 | #define __ASMSPARC_ELF_H | 2 | #define ___ASM_SPARC_ELF_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* | 4 | #include <asm-sparc/elf_64.h> |
5 | * ELF register definitions.. | ||
6 | */ | ||
7 | |||
8 | #include <asm/ptrace.h> | ||
9 | |||
10 | /* | ||
11 | * Sparc section types | ||
12 | */ | ||
13 | #define STT_REGISTER 13 | ||
14 | |||
15 | /* | ||
16 | * Sparc ELF relocation types | ||
17 | */ | ||
18 | #define R_SPARC_NONE 0 | ||
19 | #define R_SPARC_8 1 | ||
20 | #define R_SPARC_16 2 | ||
21 | #define R_SPARC_32 3 | ||
22 | #define R_SPARC_DISP8 4 | ||
23 | #define R_SPARC_DISP16 5 | ||
24 | #define R_SPARC_DISP32 6 | ||
25 | #define R_SPARC_WDISP30 7 | ||
26 | #define R_SPARC_WDISP22 8 | ||
27 | #define R_SPARC_HI22 9 | ||
28 | #define R_SPARC_22 10 | ||
29 | #define R_SPARC_13 11 | ||
30 | #define R_SPARC_LO10 12 | ||
31 | #define R_SPARC_GOT10 13 | ||
32 | #define R_SPARC_GOT13 14 | ||
33 | #define R_SPARC_GOT22 15 | ||
34 | #define R_SPARC_PC10 16 | ||
35 | #define R_SPARC_PC22 17 | ||
36 | #define R_SPARC_WPLT30 18 | ||
37 | #define R_SPARC_COPY 19 | ||
38 | #define R_SPARC_GLOB_DAT 20 | ||
39 | #define R_SPARC_JMP_SLOT 21 | ||
40 | #define R_SPARC_RELATIVE 22 | ||
41 | #define R_SPARC_UA32 23 | ||
42 | #define R_SPARC_PLT32 24 | ||
43 | #define R_SPARC_HIPLT22 25 | ||
44 | #define R_SPARC_LOPLT10 26 | ||
45 | #define R_SPARC_PCPLT32 27 | ||
46 | #define R_SPARC_PCPLT22 28 | ||
47 | #define R_SPARC_PCPLT10 29 | ||
48 | #define R_SPARC_10 30 | ||
49 | #define R_SPARC_11 31 | ||
50 | #define R_SPARC_64 32 | ||
51 | #define R_SPARC_OLO10 33 | ||
52 | #define R_SPARC_WDISP16 40 | ||
53 | #define R_SPARC_WDISP19 41 | ||
54 | #define R_SPARC_7 43 | ||
55 | #define R_SPARC_5 44 | ||
56 | #define R_SPARC_6 45 | ||
57 | |||
58 | /* Bits present in AT_HWCAP, primarily for Sparc32. */ | ||
59 | |||
60 | #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ | ||
61 | #define HWCAP_SPARC_STBAR 2 | ||
62 | #define HWCAP_SPARC_SWAP 4 | ||
63 | #define HWCAP_SPARC_MULDIV 8 | ||
64 | #define HWCAP_SPARC_V9 16 | ||
65 | #define HWCAP_SPARC_ULTRA3 32 | ||
66 | |||
67 | #define CORE_DUMP_USE_REGSET | ||
68 | |||
69 | /* Format is: | ||
70 | * G0 --> G7 | ||
71 | * O0 --> O7 | ||
72 | * L0 --> L7 | ||
73 | * I0 --> I7 | ||
74 | * PSR, PC, nPC, Y, WIM, TBR | ||
75 | */ | ||
76 | typedef unsigned long elf_greg_t; | ||
77 | #define ELF_NGREG 38 | ||
78 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
79 | |||
80 | typedef struct { | ||
81 | union { | ||
82 | unsigned long pr_regs[32]; | ||
83 | double pr_dregs[16]; | ||
84 | } pr_fr; | ||
85 | unsigned long __unused; | ||
86 | unsigned long pr_fsr; | ||
87 | unsigned char pr_qcnt; | ||
88 | unsigned char pr_q_entrysize; | ||
89 | unsigned char pr_en; | ||
90 | unsigned int pr_q[64]; | ||
91 | } elf_fpregset_t; | ||
92 | |||
93 | #include <asm/mbus.h> | ||
94 | |||
95 | /* | ||
96 | * This is used to ensure we don't load something for the wrong architecture. | ||
97 | */ | ||
98 | #define elf_check_arch(x) ((x)->e_machine == EM_SPARC) | ||
99 | |||
100 | /* | ||
101 | * These are used to set parameters in the core dumps. | ||
102 | */ | ||
103 | #define ELF_ARCH EM_SPARC | ||
104 | #define ELF_CLASS ELFCLASS32 | ||
105 | #define ELF_DATA ELFDATA2MSB | ||
106 | |||
107 | #define USE_ELF_CORE_DUMP | ||
108 | #ifndef CONFIG_SUN4 | ||
109 | #define ELF_EXEC_PAGESIZE 4096 | ||
110 | #else | 5 | #else |
111 | #define ELF_EXEC_PAGESIZE 8192 | 6 | #include <asm-sparc/elf_32.h> |
7 | #endif | ||
112 | #endif | 8 | #endif |
113 | |||
114 | |||
115 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
116 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
117 | the loader. We need to make sure that it is out of the way of the program | ||
118 | that it will "exec", and that there is sufficient room for the brk. */ | ||
119 | |||
120 | #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) | ||
121 | |||
122 | /* This yields a mask that user programs can use to figure out what | ||
123 | instruction set this cpu supports. This can NOT be done in userspace | ||
124 | on Sparc. */ | ||
125 | |||
126 | /* Sun4c has none of the capabilities, most sun4m's have them all. | ||
127 | * XXX This is gross, set some global variable at boot time. -DaveM | ||
128 | */ | ||
129 | #define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \ | ||
130 | (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ | ||
131 | HWCAP_SPARC_SWAP | \ | ||
132 | ((srmmu_modtype != Cypress && \ | ||
133 | srmmu_modtype != Cypress_vE && \ | ||
134 | srmmu_modtype != Cypress_vD) ? \ | ||
135 | HWCAP_SPARC_MULDIV : 0))) | ||
136 | |||
137 | /* This yields a string that ld.so will use to load implementation | ||
138 | specific libraries for optimization. This is more specific in | ||
139 | intent than poking at uname or /proc/cpuinfo. */ | ||
140 | |||
141 | #define ELF_PLATFORM (NULL) | ||
142 | |||
143 | #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) | ||
144 | |||
145 | #endif /* !(__ASMSPARC_ELF_H) */ | ||
diff --git a/include/asm-sparc/elf_32.h b/include/asm-sparc/elf_32.h new file mode 100644 index 000000000000..d043f80bc2fd --- /dev/null +++ b/include/asm-sparc/elf_32.h | |||
@@ -0,0 +1,145 @@ | |||
1 | #ifndef __ASMSPARC_ELF_H | ||
2 | #define __ASMSPARC_ELF_H | ||
3 | |||
4 | /* | ||
5 | * ELF register definitions.. | ||
6 | */ | ||
7 | |||
8 | #include <asm/ptrace.h> | ||
9 | |||
10 | /* | ||
11 | * Sparc section types | ||
12 | */ | ||
13 | #define STT_REGISTER 13 | ||
14 | |||
15 | /* | ||
16 | * Sparc ELF relocation types | ||
17 | */ | ||
18 | #define R_SPARC_NONE 0 | ||
19 | #define R_SPARC_8 1 | ||
20 | #define R_SPARC_16 2 | ||
21 | #define R_SPARC_32 3 | ||
22 | #define R_SPARC_DISP8 4 | ||
23 | #define R_SPARC_DISP16 5 | ||
24 | #define R_SPARC_DISP32 6 | ||
25 | #define R_SPARC_WDISP30 7 | ||
26 | #define R_SPARC_WDISP22 8 | ||
27 | #define R_SPARC_HI22 9 | ||
28 | #define R_SPARC_22 10 | ||
29 | #define R_SPARC_13 11 | ||
30 | #define R_SPARC_LO10 12 | ||
31 | #define R_SPARC_GOT10 13 | ||
32 | #define R_SPARC_GOT13 14 | ||
33 | #define R_SPARC_GOT22 15 | ||
34 | #define R_SPARC_PC10 16 | ||
35 | #define R_SPARC_PC22 17 | ||
36 | #define R_SPARC_WPLT30 18 | ||
37 | #define R_SPARC_COPY 19 | ||
38 | #define R_SPARC_GLOB_DAT 20 | ||
39 | #define R_SPARC_JMP_SLOT 21 | ||
40 | #define R_SPARC_RELATIVE 22 | ||
41 | #define R_SPARC_UA32 23 | ||
42 | #define R_SPARC_PLT32 24 | ||
43 | #define R_SPARC_HIPLT22 25 | ||
44 | #define R_SPARC_LOPLT10 26 | ||
45 | #define R_SPARC_PCPLT32 27 | ||
46 | #define R_SPARC_PCPLT22 28 | ||
47 | #define R_SPARC_PCPLT10 29 | ||
48 | #define R_SPARC_10 30 | ||
49 | #define R_SPARC_11 31 | ||
50 | #define R_SPARC_64 32 | ||
51 | #define R_SPARC_OLO10 33 | ||
52 | #define R_SPARC_WDISP16 40 | ||
53 | #define R_SPARC_WDISP19 41 | ||
54 | #define R_SPARC_7 43 | ||
55 | #define R_SPARC_5 44 | ||
56 | #define R_SPARC_6 45 | ||
57 | |||
58 | /* Bits present in AT_HWCAP, primarily for Sparc32. */ | ||
59 | |||
60 | #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ | ||
61 | #define HWCAP_SPARC_STBAR 2 | ||
62 | #define HWCAP_SPARC_SWAP 4 | ||
63 | #define HWCAP_SPARC_MULDIV 8 | ||
64 | #define HWCAP_SPARC_V9 16 | ||
65 | #define HWCAP_SPARC_ULTRA3 32 | ||
66 | |||
67 | #define CORE_DUMP_USE_REGSET | ||
68 | |||
69 | /* Format is: | ||
70 | * G0 --> G7 | ||
71 | * O0 --> O7 | ||
72 | * L0 --> L7 | ||
73 | * I0 --> I7 | ||
74 | * PSR, PC, nPC, Y, WIM, TBR | ||
75 | */ | ||
76 | typedef unsigned long elf_greg_t; | ||
77 | #define ELF_NGREG 38 | ||
78 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
79 | |||
80 | typedef struct { | ||
81 | union { | ||
82 | unsigned long pr_regs[32]; | ||
83 | double pr_dregs[16]; | ||
84 | } pr_fr; | ||
85 | unsigned long __unused; | ||
86 | unsigned long pr_fsr; | ||
87 | unsigned char pr_qcnt; | ||
88 | unsigned char pr_q_entrysize; | ||
89 | unsigned char pr_en; | ||
90 | unsigned int pr_q[64]; | ||
91 | } elf_fpregset_t; | ||
92 | |||
93 | #include <asm/mbus.h> | ||
94 | |||
95 | /* | ||
96 | * This is used to ensure we don't load something for the wrong architecture. | ||
97 | */ | ||
98 | #define elf_check_arch(x) ((x)->e_machine == EM_SPARC) | ||
99 | |||
100 | /* | ||
101 | * These are used to set parameters in the core dumps. | ||
102 | */ | ||
103 | #define ELF_ARCH EM_SPARC | ||
104 | #define ELF_CLASS ELFCLASS32 | ||
105 | #define ELF_DATA ELFDATA2MSB | ||
106 | |||
107 | #define USE_ELF_CORE_DUMP | ||
108 | #ifndef CONFIG_SUN4 | ||
109 | #define ELF_EXEC_PAGESIZE 4096 | ||
110 | #else | ||
111 | #define ELF_EXEC_PAGESIZE 8192 | ||
112 | #endif | ||
113 | |||
114 | |||
115 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
116 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
117 | the loader. We need to make sure that it is out of the way of the program | ||
118 | that it will "exec", and that there is sufficient room for the brk. */ | ||
119 | |||
120 | #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) | ||
121 | |||
122 | /* This yields a mask that user programs can use to figure out what | ||
123 | instruction set this cpu supports. This can NOT be done in userspace | ||
124 | on Sparc. */ | ||
125 | |||
126 | /* Sun4c has none of the capabilities, most sun4m's have them all. | ||
127 | * XXX This is gross, set some global variable at boot time. -DaveM | ||
128 | */ | ||
129 | #define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \ | ||
130 | (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ | ||
131 | HWCAP_SPARC_SWAP | \ | ||
132 | ((srmmu_modtype != Cypress && \ | ||
133 | srmmu_modtype != Cypress_vE && \ | ||
134 | srmmu_modtype != Cypress_vD) ? \ | ||
135 | HWCAP_SPARC_MULDIV : 0))) | ||
136 | |||
137 | /* This yields a string that ld.so will use to load implementation | ||
138 | specific libraries for optimization. This is more specific in | ||
139 | intent than poking at uname or /proc/cpuinfo. */ | ||
140 | |||
141 | #define ELF_PLATFORM (NULL) | ||
142 | |||
143 | #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) | ||
144 | |||
145 | #endif /* !(__ASMSPARC_ELF_H) */ | ||
diff --git a/include/asm-sparc/elf_64.h b/include/asm-sparc/elf_64.h new file mode 100644 index 000000000000..0818a1308f4e --- /dev/null +++ b/include/asm-sparc/elf_64.h | |||
@@ -0,0 +1,217 @@ | |||
1 | #ifndef __ASM_SPARC64_ELF_H | ||
2 | #define __ASM_SPARC64_ELF_H | ||
3 | |||
4 | /* | ||
5 | * ELF register definitions.. | ||
6 | */ | ||
7 | |||
8 | #include <asm/ptrace.h> | ||
9 | #include <asm/processor.h> | ||
10 | #include <asm/uaccess.h> | ||
11 | #include <asm/spitfire.h> | ||
12 | |||
13 | /* | ||
14 | * Sparc section types | ||
15 | */ | ||
16 | #define STT_REGISTER 13 | ||
17 | |||
18 | /* | ||
19 | * Sparc ELF relocation types | ||
20 | */ | ||
21 | #define R_SPARC_NONE 0 | ||
22 | #define R_SPARC_8 1 | ||
23 | #define R_SPARC_16 2 | ||
24 | #define R_SPARC_32 3 | ||
25 | #define R_SPARC_DISP8 4 | ||
26 | #define R_SPARC_DISP16 5 | ||
27 | #define R_SPARC_DISP32 6 | ||
28 | #define R_SPARC_WDISP30 7 | ||
29 | #define R_SPARC_WDISP22 8 | ||
30 | #define R_SPARC_HI22 9 | ||
31 | #define R_SPARC_22 10 | ||
32 | #define R_SPARC_13 11 | ||
33 | #define R_SPARC_LO10 12 | ||
34 | #define R_SPARC_GOT10 13 | ||
35 | #define R_SPARC_GOT13 14 | ||
36 | #define R_SPARC_GOT22 15 | ||
37 | #define R_SPARC_PC10 16 | ||
38 | #define R_SPARC_PC22 17 | ||
39 | #define R_SPARC_WPLT30 18 | ||
40 | #define R_SPARC_COPY 19 | ||
41 | #define R_SPARC_GLOB_DAT 20 | ||
42 | #define R_SPARC_JMP_SLOT 21 | ||
43 | #define R_SPARC_RELATIVE 22 | ||
44 | #define R_SPARC_UA32 23 | ||
45 | #define R_SPARC_PLT32 24 | ||
46 | #define R_SPARC_HIPLT22 25 | ||
47 | #define R_SPARC_LOPLT10 26 | ||
48 | #define R_SPARC_PCPLT32 27 | ||
49 | #define R_SPARC_PCPLT22 28 | ||
50 | #define R_SPARC_PCPLT10 29 | ||
51 | #define R_SPARC_10 30 | ||
52 | #define R_SPARC_11 31 | ||
53 | #define R_SPARC_64 32 | ||
54 | #define R_SPARC_OLO10 33 | ||
55 | #define R_SPARC_WDISP16 40 | ||
56 | #define R_SPARC_WDISP19 41 | ||
57 | #define R_SPARC_7 43 | ||
58 | #define R_SPARC_5 44 | ||
59 | #define R_SPARC_6 45 | ||
60 | |||
61 | /* Bits present in AT_HWCAP, primarily for Sparc32. */ | ||
62 | |||
63 | #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ | ||
64 | #define HWCAP_SPARC_STBAR 2 | ||
65 | #define HWCAP_SPARC_SWAP 4 | ||
66 | #define HWCAP_SPARC_MULDIV 8 | ||
67 | #define HWCAP_SPARC_V9 16 | ||
68 | #define HWCAP_SPARC_ULTRA3 32 | ||
69 | #define HWCAP_SPARC_BLKINIT 64 | ||
70 | #define HWCAP_SPARC_N2 128 | ||
71 | |||
72 | #define CORE_DUMP_USE_REGSET | ||
73 | |||
74 | /* | ||
75 | * These are used to set parameters in the core dumps. | ||
76 | */ | ||
77 | #define ELF_ARCH EM_SPARCV9 | ||
78 | #define ELF_CLASS ELFCLASS64 | ||
79 | #define ELF_DATA ELFDATA2MSB | ||
80 | |||
81 | /* Format of 64-bit elf_gregset_t is: | ||
82 | * G0 --> G7 | ||
83 | * O0 --> O7 | ||
84 | * L0 --> L7 | ||
85 | * I0 --> I7 | ||
86 | * TSTATE | ||
87 | * TPC | ||
88 | * TNPC | ||
89 | * Y | ||
90 | */ | ||
91 | typedef unsigned long elf_greg_t; | ||
92 | #define ELF_NGREG 36 | ||
93 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
94 | |||
95 | typedef struct { | ||
96 | unsigned long pr_regs[32]; | ||
97 | unsigned long pr_fsr; | ||
98 | unsigned long pr_gsr; | ||
99 | unsigned long pr_fprs; | ||
100 | } elf_fpregset_t; | ||
101 | |||
102 | /* Format of 32-bit elf_gregset_t is: | ||
103 | * G0 --> G7 | ||
104 | * O0 --> O7 | ||
105 | * L0 --> L7 | ||
106 | * I0 --> I7 | ||
107 | * PSR, PC, nPC, Y, WIM, TBR | ||
108 | */ | ||
109 | typedef unsigned int compat_elf_greg_t; | ||
110 | #define COMPAT_ELF_NGREG 38 | ||
111 | typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; | ||
112 | |||
113 | typedef struct { | ||
114 | union { | ||
115 | unsigned int pr_regs[32]; | ||
116 | unsigned long pr_dregs[16]; | ||
117 | } pr_fr; | ||
118 | unsigned int __unused; | ||
119 | unsigned int pr_fsr; | ||
120 | unsigned char pr_qcnt; | ||
121 | unsigned char pr_q_entrysize; | ||
122 | unsigned char pr_en; | ||
123 | unsigned int pr_q[64]; | ||
124 | } compat_elf_fpregset_t; | ||
125 | |||
126 | /* UltraSparc extensions. Still unused, but will be eventually. */ | ||
127 | typedef struct { | ||
128 | unsigned int pr_type; | ||
129 | unsigned int pr_align; | ||
130 | union { | ||
131 | struct { | ||
132 | union { | ||
133 | unsigned int pr_regs[32]; | ||
134 | unsigned long pr_dregs[16]; | ||
135 | long double pr_qregs[8]; | ||
136 | } pr_xfr; | ||
137 | } pr_v8p; | ||
138 | unsigned int pr_xfsr; | ||
139 | unsigned int pr_fprs; | ||
140 | unsigned int pr_xg[8]; | ||
141 | unsigned int pr_xo[8]; | ||
142 | unsigned long pr_tstate; | ||
143 | unsigned int pr_filler[8]; | ||
144 | } pr_un; | ||
145 | } elf_xregset_t; | ||
146 | |||
147 | /* | ||
148 | * This is used to ensure we don't load something for the wrong architecture. | ||
149 | */ | ||
150 | #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) | ||
151 | #define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \ | ||
152 | (x)->e_machine == EM_SPARC32PLUS) | ||
153 | #define compat_start_thread start_thread32 | ||
154 | |||
155 | #define USE_ELF_CORE_DUMP | ||
156 | #define ELF_EXEC_PAGESIZE PAGE_SIZE | ||
157 | |||
158 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
159 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
160 | the loader. We need to make sure that it is out of the way of the program | ||
161 | that it will "exec", and that there is sufficient room for the brk. */ | ||
162 | |||
163 | #define ELF_ET_DYN_BASE 0x0000010000000000UL | ||
164 | #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL | ||
165 | |||
166 | |||
167 | /* This yields a mask that user programs can use to figure out what | ||
168 | instruction set this cpu supports. */ | ||
169 | |||
170 | /* On Ultra, we support all of the v8 capabilities. */ | ||
171 | static inline unsigned int sparc64_elf_hwcap(void) | ||
172 | { | ||
173 | unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | | ||
174 | HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV | | ||
175 | HWCAP_SPARC_V9); | ||
176 | |||
177 | if (tlb_type == cheetah || tlb_type == cheetah_plus) | ||
178 | cap |= HWCAP_SPARC_ULTRA3; | ||
179 | else if (tlb_type == hypervisor) { | ||
180 | if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || | ||
181 | sun4v_chip_type == SUN4V_CHIP_NIAGARA2) | ||
182 | cap |= HWCAP_SPARC_BLKINIT; | ||
183 | if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2) | ||
184 | cap |= HWCAP_SPARC_N2; | ||
185 | } | ||
186 | |||
187 | return cap; | ||
188 | } | ||
189 | |||
190 | #define ELF_HWCAP sparc64_elf_hwcap(); | ||
191 | |||
192 | /* This yields a string that ld.so will use to load implementation | ||
193 | specific libraries for optimization. This is more specific in | ||
194 | intent than poking at uname or /proc/cpuinfo. */ | ||
195 | |||
196 | #define ELF_PLATFORM (NULL) | ||
197 | |||
198 | #define SET_PERSONALITY(ex, ibcs2) \ | ||
199 | do { unsigned long new_flags = current_thread_info()->flags; \ | ||
200 | new_flags &= _TIF_32BIT; \ | ||
201 | if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ | ||
202 | new_flags |= _TIF_32BIT; \ | ||
203 | else \ | ||
204 | new_flags &= ~_TIF_32BIT; \ | ||
205 | if ((current_thread_info()->flags & _TIF_32BIT) \ | ||
206 | != new_flags) \ | ||
207 | set_thread_flag(TIF_ABI_PENDING); \ | ||
208 | else \ | ||
209 | clear_thread_flag(TIF_ABI_PENDING); \ | ||
210 | /* flush_thread will update pgd cache */ \ | ||
211 | if (ibcs2) \ | ||
212 | set_personality(PER_SVR4); \ | ||
213 | else if (current->personality != PER_LINUX32) \ | ||
214 | set_personality(PER_LINUX); \ | ||
215 | } while (0) | ||
216 | |||
217 | #endif /* !(__ASM_SPARC64_ELF_H) */ | ||
diff --git a/include/asm-sparc/floppy.h b/include/asm-sparc/floppy.h index d3978e068e2b..6c628ba15a8d 100644 --- a/include/asm-sparc/floppy.h +++ b/include/asm-sparc/floppy.h | |||
@@ -1,388 +1,8 @@ | |||
1 | /* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver. | 1 | #ifndef ___ASM_SPARC_FLOPPY_H |
2 | * | 2 | #define ___ASM_SPARC_FLOPPY_H |
3 | * Copyright (C) 1995 David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/floppy_64.h> |
5 | 5 | #else | |
6 | #ifndef __ASM_SPARC_FLOPPY_H | 6 | #include <asm-sparc/floppy_32.h> |
7 | #define __ASM_SPARC_FLOPPY_H | 7 | #endif |
8 | |||
9 | #include <asm/page.h> | ||
10 | #include <asm/pgtable.h> | ||
11 | #include <asm/system.h> | ||
12 | #include <asm/idprom.h> | ||
13 | #include <asm/machines.h> | ||
14 | #include <asm/oplib.h> | ||
15 | #include <asm/auxio.h> | ||
16 | #include <asm/irq.h> | ||
17 | |||
18 | /* We don't need no stinkin' I/O port allocation crap. */ | ||
19 | #undef release_region | ||
20 | #undef request_region | ||
21 | #define release_region(X, Y) do { } while(0) | ||
22 | #define request_region(X, Y, Z) (1) | ||
23 | |||
24 | /* References: | ||
25 | * 1) Netbsd Sun floppy driver. | ||
26 | * 2) NCR 82077 controller manual | ||
27 | * 3) Intel 82077 controller manual | ||
28 | */ | ||
29 | struct sun_flpy_controller { | ||
30 | volatile unsigned char status_82072; /* Main Status reg. */ | ||
31 | #define dcr_82072 status_82072 /* Digital Control reg. */ | ||
32 | #define status1_82077 status_82072 /* Auxiliary Status reg. 1 */ | ||
33 | |||
34 | volatile unsigned char data_82072; /* Data fifo. */ | ||
35 | #define status2_82077 data_82072 /* Auxiliary Status reg. 2 */ | ||
36 | |||
37 | volatile unsigned char dor_82077; /* Digital Output reg. */ | ||
38 | volatile unsigned char tapectl_82077; /* What the? Tape control reg? */ | ||
39 | |||
40 | volatile unsigned char status_82077; /* Main Status Register. */ | ||
41 | #define drs_82077 status_82077 /* Digital Rate Select reg. */ | ||
42 | |||
43 | volatile unsigned char data_82077; /* Data fifo. */ | ||
44 | volatile unsigned char ___unused; | ||
45 | volatile unsigned char dir_82077; /* Digital Input reg. */ | ||
46 | #define dcr_82077 dir_82077 /* Config Control reg. */ | ||
47 | }; | ||
48 | |||
49 | /* You'll only ever find one controller on a SparcStation anyways. */ | ||
50 | static struct sun_flpy_controller *sun_fdc = NULL; | ||
51 | extern volatile unsigned char *fdc_status; | ||
52 | |||
53 | struct sun_floppy_ops { | ||
54 | unsigned char (*fd_inb)(int port); | ||
55 | void (*fd_outb)(unsigned char value, int port); | ||
56 | }; | ||
57 | |||
58 | static struct sun_floppy_ops sun_fdops; | ||
59 | |||
60 | #define fd_inb(port) sun_fdops.fd_inb(port) | ||
61 | #define fd_outb(value,port) sun_fdops.fd_outb(value,port) | ||
62 | #define fd_enable_dma() sun_fd_enable_dma() | ||
63 | #define fd_disable_dma() sun_fd_disable_dma() | ||
64 | #define fd_request_dma() (0) /* nothing... */ | ||
65 | #define fd_free_dma() /* nothing... */ | ||
66 | #define fd_clear_dma_ff() /* nothing... */ | ||
67 | #define fd_set_dma_mode(mode) sun_fd_set_dma_mode(mode) | ||
68 | #define fd_set_dma_addr(addr) sun_fd_set_dma_addr(addr) | ||
69 | #define fd_set_dma_count(count) sun_fd_set_dma_count(count) | ||
70 | #define fd_enable_irq() /* nothing... */ | ||
71 | #define fd_disable_irq() /* nothing... */ | ||
72 | #define fd_cacheflush(addr, size) /* nothing... */ | ||
73 | #define fd_request_irq() sun_fd_request_irq() | ||
74 | #define fd_free_irq() /* nothing... */ | ||
75 | #if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */ | ||
76 | #define fd_dma_mem_alloc(size) ((unsigned long) vmalloc(size)) | ||
77 | #define fd_dma_mem_free(addr,size) (vfree((void *)(addr))) | ||
78 | #endif | 8 | #endif |
79 | |||
80 | /* XXX This isn't really correct. XXX */ | ||
81 | #define get_dma_residue(x) (0) | ||
82 | |||
83 | #define FLOPPY0_TYPE 4 | ||
84 | #define FLOPPY1_TYPE 0 | ||
85 | |||
86 | /* Super paranoid... */ | ||
87 | #undef HAVE_DISABLE_HLT | ||
88 | |||
89 | /* Here is where we catch the floppy driver trying to initialize, | ||
90 | * therefore this is where we call the PROM device tree probing | ||
91 | * routine etc. on the Sparc. | ||
92 | */ | ||
93 | #define FDC1 sun_floppy_init() | ||
94 | |||
95 | #define N_FDC 1 | ||
96 | #define N_DRIVE 8 | ||
97 | |||
98 | /* No 64k boundary crossing problems on the Sparc. */ | ||
99 | #define CROSS_64KB(a,s) (0) | ||
100 | |||
101 | /* Routines unique to each controller type on a Sun. */ | ||
102 | static void sun_set_dor(unsigned char value, int fdc_82077) | ||
103 | { | ||
104 | if (sparc_cpu_model == sun4c) { | ||
105 | unsigned int bits = 0; | ||
106 | if (value & 0x10) | ||
107 | bits |= AUXIO_FLPY_DSEL; | ||
108 | if ((value & 0x80) == 0) | ||
109 | bits |= AUXIO_FLPY_EJCT; | ||
110 | set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT)); | ||
111 | } | ||
112 | if (fdc_82077) { | ||
113 | sun_fdc->dor_82077 = value; | ||
114 | } | ||
115 | } | ||
116 | |||
117 | static unsigned char sun_read_dir(void) | ||
118 | { | ||
119 | if (sparc_cpu_model == sun4c) | ||
120 | return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0; | ||
121 | else | ||
122 | return sun_fdc->dir_82077; | ||
123 | } | ||
124 | |||
125 | static unsigned char sun_82072_fd_inb(int port) | ||
126 | { | ||
127 | udelay(5); | ||
128 | switch(port & 7) { | ||
129 | default: | ||
130 | printk("floppy: Asked to read unknown port %d\n", port); | ||
131 | panic("floppy: Port bolixed."); | ||
132 | case 4: /* FD_STATUS */ | ||
133 | return sun_fdc->status_82072 & ~STATUS_DMA; | ||
134 | case 5: /* FD_DATA */ | ||
135 | return sun_fdc->data_82072; | ||
136 | case 7: /* FD_DIR */ | ||
137 | return sun_read_dir(); | ||
138 | }; | ||
139 | panic("sun_82072_fd_inb: How did I get here?"); | ||
140 | } | ||
141 | |||
142 | static void sun_82072_fd_outb(unsigned char value, int port) | ||
143 | { | ||
144 | udelay(5); | ||
145 | switch(port & 7) { | ||
146 | default: | ||
147 | printk("floppy: Asked to write to unknown port %d\n", port); | ||
148 | panic("floppy: Port bolixed."); | ||
149 | case 2: /* FD_DOR */ | ||
150 | sun_set_dor(value, 0); | ||
151 | break; | ||
152 | case 5: /* FD_DATA */ | ||
153 | sun_fdc->data_82072 = value; | ||
154 | break; | ||
155 | case 7: /* FD_DCR */ | ||
156 | sun_fdc->dcr_82072 = value; | ||
157 | break; | ||
158 | case 4: /* FD_STATUS */ | ||
159 | sun_fdc->status_82072 = value; | ||
160 | break; | ||
161 | }; | ||
162 | return; | ||
163 | } | ||
164 | |||
165 | static unsigned char sun_82077_fd_inb(int port) | ||
166 | { | ||
167 | udelay(5); | ||
168 | switch(port & 7) { | ||
169 | default: | ||
170 | printk("floppy: Asked to read unknown port %d\n", port); | ||
171 | panic("floppy: Port bolixed."); | ||
172 | case 0: /* FD_STATUS_0 */ | ||
173 | return sun_fdc->status1_82077; | ||
174 | case 1: /* FD_STATUS_1 */ | ||
175 | return sun_fdc->status2_82077; | ||
176 | case 2: /* FD_DOR */ | ||
177 | return sun_fdc->dor_82077; | ||
178 | case 3: /* FD_TDR */ | ||
179 | return sun_fdc->tapectl_82077; | ||
180 | case 4: /* FD_STATUS */ | ||
181 | return sun_fdc->status_82077 & ~STATUS_DMA; | ||
182 | case 5: /* FD_DATA */ | ||
183 | return sun_fdc->data_82077; | ||
184 | case 7: /* FD_DIR */ | ||
185 | return sun_read_dir(); | ||
186 | }; | ||
187 | panic("sun_82077_fd_inb: How did I get here?"); | ||
188 | } | ||
189 | |||
190 | static void sun_82077_fd_outb(unsigned char value, int port) | ||
191 | { | ||
192 | udelay(5); | ||
193 | switch(port & 7) { | ||
194 | default: | ||
195 | printk("floppy: Asked to write to unknown port %d\n", port); | ||
196 | panic("floppy: Port bolixed."); | ||
197 | case 2: /* FD_DOR */ | ||
198 | sun_set_dor(value, 1); | ||
199 | break; | ||
200 | case 5: /* FD_DATA */ | ||
201 | sun_fdc->data_82077 = value; | ||
202 | break; | ||
203 | case 7: /* FD_DCR */ | ||
204 | sun_fdc->dcr_82077 = value; | ||
205 | break; | ||
206 | case 4: /* FD_STATUS */ | ||
207 | sun_fdc->status_82077 = value; | ||
208 | break; | ||
209 | case 3: /* FD_TDR */ | ||
210 | sun_fdc->tapectl_82077 = value; | ||
211 | break; | ||
212 | }; | ||
213 | return; | ||
214 | } | ||
215 | |||
216 | /* For pseudo-dma (Sun floppy drives have no real DMA available to | ||
217 | * them so we must eat the data fifo bytes directly ourselves) we have | ||
218 | * three state variables. doing_pdma tells our inline low-level | ||
219 | * assembly floppy interrupt entry point whether it should sit and eat | ||
220 | * bytes from the fifo or just transfer control up to the higher level | ||
221 | * floppy interrupt c-code. I tried very hard but I could not get the | ||
222 | * pseudo-dma to work in c-code without getting many overruns and | ||
223 | * underruns. If non-zero, doing_pdma encodes the direction of | ||
224 | * the transfer for debugging. 1=read 2=write | ||
225 | */ | ||
226 | extern char *pdma_vaddr; | ||
227 | extern unsigned long pdma_size; | ||
228 | extern volatile int doing_pdma; | ||
229 | |||
230 | /* This is software state */ | ||
231 | extern char *pdma_base; | ||
232 | extern unsigned long pdma_areasize; | ||
233 | |||
234 | /* Common routines to all controller types on the Sparc. */ | ||
235 | static inline void virtual_dma_init(void) | ||
236 | { | ||
237 | /* nothing... */ | ||
238 | } | ||
239 | |||
240 | static inline void sun_fd_disable_dma(void) | ||
241 | { | ||
242 | doing_pdma = 0; | ||
243 | if (pdma_base) { | ||
244 | mmu_unlockarea(pdma_base, pdma_areasize); | ||
245 | pdma_base = NULL; | ||
246 | } | ||
247 | } | ||
248 | |||
249 | static inline void sun_fd_set_dma_mode(int mode) | ||
250 | { | ||
251 | switch(mode) { | ||
252 | case DMA_MODE_READ: | ||
253 | doing_pdma = 1; | ||
254 | break; | ||
255 | case DMA_MODE_WRITE: | ||
256 | doing_pdma = 2; | ||
257 | break; | ||
258 | default: | ||
259 | printk("Unknown dma mode %d\n", mode); | ||
260 | panic("floppy: Giving up..."); | ||
261 | } | ||
262 | } | ||
263 | |||
264 | static inline void sun_fd_set_dma_addr(char *buffer) | ||
265 | { | ||
266 | pdma_vaddr = buffer; | ||
267 | } | ||
268 | |||
269 | static inline void sun_fd_set_dma_count(int length) | ||
270 | { | ||
271 | pdma_size = length; | ||
272 | } | ||
273 | |||
274 | static inline void sun_fd_enable_dma(void) | ||
275 | { | ||
276 | pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); | ||
277 | pdma_base = pdma_vaddr; | ||
278 | pdma_areasize = pdma_size; | ||
279 | } | ||
280 | |||
281 | /* Our low-level entry point in arch/sparc/kernel/entry.S */ | ||
282 | extern int sparc_floppy_request_irq(int irq, unsigned long flags, | ||
283 | irq_handler_t irq_handler); | ||
284 | |||
285 | static int sun_fd_request_irq(void) | ||
286 | { | ||
287 | static int once = 0; | ||
288 | int error; | ||
289 | |||
290 | if(!once) { | ||
291 | once = 1; | ||
292 | error = sparc_floppy_request_irq(FLOPPY_IRQ, | ||
293 | IRQF_DISABLED, | ||
294 | floppy_interrupt); | ||
295 | return ((error == 0) ? 0 : -1); | ||
296 | } else return 0; | ||
297 | } | ||
298 | |||
299 | static struct linux_prom_registers fd_regs[2]; | ||
300 | |||
301 | static int sun_floppy_init(void) | ||
302 | { | ||
303 | char state[128]; | ||
304 | int tnode, fd_node, num_regs; | ||
305 | struct resource r; | ||
306 | |||
307 | use_virtual_dma = 1; | ||
308 | |||
309 | FLOPPY_IRQ = 11; | ||
310 | /* Forget it if we aren't on a machine that could possibly | ||
311 | * ever have a floppy drive. | ||
312 | */ | ||
313 | if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) || | ||
314 | ((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) || | ||
315 | (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) { | ||
316 | /* We certainly don't have a floppy controller. */ | ||
317 | goto no_sun_fdc; | ||
318 | } | ||
319 | /* Well, try to find one. */ | ||
320 | tnode = prom_getchild(prom_root_node); | ||
321 | fd_node = prom_searchsiblings(tnode, "obio"); | ||
322 | if(fd_node != 0) { | ||
323 | tnode = prom_getchild(fd_node); | ||
324 | fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo"); | ||
325 | } else { | ||
326 | fd_node = prom_searchsiblings(tnode, "fd"); | ||
327 | } | ||
328 | if(fd_node == 0) { | ||
329 | goto no_sun_fdc; | ||
330 | } | ||
331 | |||
332 | /* The sun4m lets us know if the controller is actually usable. */ | ||
333 | if(sparc_cpu_model == sun4m && | ||
334 | prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) { | ||
335 | if(!strcmp(state, "disabled")) { | ||
336 | goto no_sun_fdc; | ||
337 | } | ||
338 | } | ||
339 | num_regs = prom_getproperty(fd_node, "reg", (char *) fd_regs, sizeof(fd_regs)); | ||
340 | num_regs = (num_regs / sizeof(fd_regs[0])); | ||
341 | prom_apply_obio_ranges(fd_regs, num_regs); | ||
342 | memset(&r, 0, sizeof(r)); | ||
343 | r.flags = fd_regs[0].which_io; | ||
344 | r.start = fd_regs[0].phys_addr; | ||
345 | sun_fdc = (struct sun_flpy_controller *) | ||
346 | sbus_ioremap(&r, 0, fd_regs[0].reg_size, "floppy"); | ||
347 | |||
348 | /* Last minute sanity check... */ | ||
349 | if(sun_fdc->status_82072 == 0xff) { | ||
350 | sun_fdc = NULL; | ||
351 | goto no_sun_fdc; | ||
352 | } | ||
353 | |||
354 | sun_fdops.fd_inb = sun_82077_fd_inb; | ||
355 | sun_fdops.fd_outb = sun_82077_fd_outb; | ||
356 | fdc_status = &sun_fdc->status_82077; | ||
357 | |||
358 | if (sun_fdc->dor_82077 == 0x80) { | ||
359 | sun_fdc->dor_82077 = 0x02; | ||
360 | if (sun_fdc->dor_82077 == 0x80) { | ||
361 | sun_fdops.fd_inb = sun_82072_fd_inb; | ||
362 | sun_fdops.fd_outb = sun_82072_fd_outb; | ||
363 | fdc_status = &sun_fdc->status_82072; | ||
364 | } | ||
365 | } | ||
366 | |||
367 | /* Success... */ | ||
368 | allowed_drive_mask = 0x01; | ||
369 | return (int) sun_fdc; | ||
370 | |||
371 | no_sun_fdc: | ||
372 | return -1; | ||
373 | } | ||
374 | |||
375 | static int sparc_eject(void) | ||
376 | { | ||
377 | set_dor(0x00, 0xff, 0x90); | ||
378 | udelay(500); | ||
379 | set_dor(0x00, 0x6f, 0x00); | ||
380 | udelay(500); | ||
381 | return 0; | ||
382 | } | ||
383 | |||
384 | #define fd_eject(drive) sparc_eject() | ||
385 | |||
386 | #define EXTRA_FLOPPY_PARAMS | ||
387 | |||
388 | #endif /* !(__ASM_SPARC_FLOPPY_H) */ | ||
diff --git a/include/asm-sparc/floppy_32.h b/include/asm-sparc/floppy_32.h new file mode 100644 index 000000000000..acdd06eafe59 --- /dev/null +++ b/include/asm-sparc/floppy_32.h | |||
@@ -0,0 +1,388 @@ | |||
1 | /* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver. | ||
2 | * | ||
3 | * Copyright (C) 1995 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef __ASM_SPARC_FLOPPY_H | ||
7 | #define __ASM_SPARC_FLOPPY_H | ||
8 | |||
9 | #include <asm/page.h> | ||
10 | #include <asm/pgtable.h> | ||
11 | #include <asm/system.h> | ||
12 | #include <asm/idprom.h> | ||
13 | #include <asm/machines.h> | ||
14 | #include <asm/oplib.h> | ||
15 | #include <asm/auxio.h> | ||
16 | #include <asm/irq.h> | ||
17 | |||
18 | /* We don't need no stinkin' I/O port allocation crap. */ | ||
19 | #undef release_region | ||
20 | #undef request_region | ||
21 | #define release_region(X, Y) do { } while(0) | ||
22 | #define request_region(X, Y, Z) (1) | ||
23 | |||
24 | /* References: | ||
25 | * 1) Netbsd Sun floppy driver. | ||
26 | * 2) NCR 82077 controller manual | ||
27 | * 3) Intel 82077 controller manual | ||
28 | */ | ||
29 | struct sun_flpy_controller { | ||
30 | volatile unsigned char status_82072; /* Main Status reg. */ | ||
31 | #define dcr_82072 status_82072 /* Digital Control reg. */ | ||
32 | #define status1_82077 status_82072 /* Auxiliary Status reg. 1 */ | ||
33 | |||
34 | volatile unsigned char data_82072; /* Data fifo. */ | ||
35 | #define status2_82077 data_82072 /* Auxiliary Status reg. 2 */ | ||
36 | |||
37 | volatile unsigned char dor_82077; /* Digital Output reg. */ | ||
38 | volatile unsigned char tapectl_82077; /* What the? Tape control reg? */ | ||
39 | |||
40 | volatile unsigned char status_82077; /* Main Status Register. */ | ||
41 | #define drs_82077 status_82077 /* Digital Rate Select reg. */ | ||
42 | |||
43 | volatile unsigned char data_82077; /* Data fifo. */ | ||
44 | volatile unsigned char ___unused; | ||
45 | volatile unsigned char dir_82077; /* Digital Input reg. */ | ||
46 | #define dcr_82077 dir_82077 /* Config Control reg. */ | ||
47 | }; | ||
48 | |||
49 | /* You'll only ever find one controller on a SparcStation anyways. */ | ||
50 | static struct sun_flpy_controller *sun_fdc = NULL; | ||
51 | extern volatile unsigned char *fdc_status; | ||
52 | |||
53 | struct sun_floppy_ops { | ||
54 | unsigned char (*fd_inb)(int port); | ||
55 | void (*fd_outb)(unsigned char value, int port); | ||
56 | }; | ||
57 | |||
58 | static struct sun_floppy_ops sun_fdops; | ||
59 | |||
60 | #define fd_inb(port) sun_fdops.fd_inb(port) | ||
61 | #define fd_outb(value,port) sun_fdops.fd_outb(value,port) | ||
62 | #define fd_enable_dma() sun_fd_enable_dma() | ||
63 | #define fd_disable_dma() sun_fd_disable_dma() | ||
64 | #define fd_request_dma() (0) /* nothing... */ | ||
65 | #define fd_free_dma() /* nothing... */ | ||
66 | #define fd_clear_dma_ff() /* nothing... */ | ||
67 | #define fd_set_dma_mode(mode) sun_fd_set_dma_mode(mode) | ||
68 | #define fd_set_dma_addr(addr) sun_fd_set_dma_addr(addr) | ||
69 | #define fd_set_dma_count(count) sun_fd_set_dma_count(count) | ||
70 | #define fd_enable_irq() /* nothing... */ | ||
71 | #define fd_disable_irq() /* nothing... */ | ||
72 | #define fd_cacheflush(addr, size) /* nothing... */ | ||
73 | #define fd_request_irq() sun_fd_request_irq() | ||
74 | #define fd_free_irq() /* nothing... */ | ||
75 | #if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */ | ||
76 | #define fd_dma_mem_alloc(size) ((unsigned long) vmalloc(size)) | ||
77 | #define fd_dma_mem_free(addr,size) (vfree((void *)(addr))) | ||
78 | #endif | ||
79 | |||
80 | /* XXX This isn't really correct. XXX */ | ||
81 | #define get_dma_residue(x) (0) | ||
82 | |||
83 | #define FLOPPY0_TYPE 4 | ||
84 | #define FLOPPY1_TYPE 0 | ||
85 | |||
86 | /* Super paranoid... */ | ||
87 | #undef HAVE_DISABLE_HLT | ||
88 | |||
89 | /* Here is where we catch the floppy driver trying to initialize, | ||
90 | * therefore this is where we call the PROM device tree probing | ||
91 | * routine etc. on the Sparc. | ||
92 | */ | ||
93 | #define FDC1 sun_floppy_init() | ||
94 | |||
95 | #define N_FDC 1 | ||
96 | #define N_DRIVE 8 | ||
97 | |||
98 | /* No 64k boundary crossing problems on the Sparc. */ | ||
99 | #define CROSS_64KB(a,s) (0) | ||
100 | |||
101 | /* Routines unique to each controller type on a Sun. */ | ||
102 | static void sun_set_dor(unsigned char value, int fdc_82077) | ||
103 | { | ||
104 | if (sparc_cpu_model == sun4c) { | ||
105 | unsigned int bits = 0; | ||
106 | if (value & 0x10) | ||
107 | bits |= AUXIO_FLPY_DSEL; | ||
108 | if ((value & 0x80) == 0) | ||
109 | bits |= AUXIO_FLPY_EJCT; | ||
110 | set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT)); | ||
111 | } | ||
112 | if (fdc_82077) { | ||
113 | sun_fdc->dor_82077 = value; | ||
114 | } | ||
115 | } | ||
116 | |||
117 | static unsigned char sun_read_dir(void) | ||
118 | { | ||
119 | if (sparc_cpu_model == sun4c) | ||
120 | return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0; | ||
121 | else | ||
122 | return sun_fdc->dir_82077; | ||
123 | } | ||
124 | |||
125 | static unsigned char sun_82072_fd_inb(int port) | ||
126 | { | ||
127 | udelay(5); | ||
128 | switch(port & 7) { | ||
129 | default: | ||
130 | printk("floppy: Asked to read unknown port %d\n", port); | ||
131 | panic("floppy: Port bolixed."); | ||
132 | case 4: /* FD_STATUS */ | ||
133 | return sun_fdc->status_82072 & ~STATUS_DMA; | ||
134 | case 5: /* FD_DATA */ | ||
135 | return sun_fdc->data_82072; | ||
136 | case 7: /* FD_DIR */ | ||
137 | return sun_read_dir(); | ||
138 | }; | ||
139 | panic("sun_82072_fd_inb: How did I get here?"); | ||
140 | } | ||
141 | |||
142 | static void sun_82072_fd_outb(unsigned char value, int port) | ||
143 | { | ||
144 | udelay(5); | ||
145 | switch(port & 7) { | ||
146 | default: | ||
147 | printk("floppy: Asked to write to unknown port %d\n", port); | ||
148 | panic("floppy: Port bolixed."); | ||
149 | case 2: /* FD_DOR */ | ||
150 | sun_set_dor(value, 0); | ||
151 | break; | ||
152 | case 5: /* FD_DATA */ | ||
153 | sun_fdc->data_82072 = value; | ||
154 | break; | ||
155 | case 7: /* FD_DCR */ | ||
156 | sun_fdc->dcr_82072 = value; | ||
157 | break; | ||
158 | case 4: /* FD_STATUS */ | ||
159 | sun_fdc->status_82072 = value; | ||
160 | break; | ||
161 | }; | ||
162 | return; | ||
163 | } | ||
164 | |||
165 | static unsigned char sun_82077_fd_inb(int port) | ||
166 | { | ||
167 | udelay(5); | ||
168 | switch(port & 7) { | ||
169 | default: | ||
170 | printk("floppy: Asked to read unknown port %d\n", port); | ||
171 | panic("floppy: Port bolixed."); | ||
172 | case 0: /* FD_STATUS_0 */ | ||
173 | return sun_fdc->status1_82077; | ||
174 | case 1: /* FD_STATUS_1 */ | ||
175 | return sun_fdc->status2_82077; | ||
176 | case 2: /* FD_DOR */ | ||
177 | return sun_fdc->dor_82077; | ||
178 | case 3: /* FD_TDR */ | ||
179 | return sun_fdc->tapectl_82077; | ||
180 | case 4: /* FD_STATUS */ | ||
181 | return sun_fdc->status_82077 & ~STATUS_DMA; | ||
182 | case 5: /* FD_DATA */ | ||
183 | return sun_fdc->data_82077; | ||
184 | case 7: /* FD_DIR */ | ||
185 | return sun_read_dir(); | ||
186 | }; | ||
187 | panic("sun_82077_fd_inb: How did I get here?"); | ||
188 | } | ||
189 | |||
190 | static void sun_82077_fd_outb(unsigned char value, int port) | ||
191 | { | ||
192 | udelay(5); | ||
193 | switch(port & 7) { | ||
194 | default: | ||
195 | printk("floppy: Asked to write to unknown port %d\n", port); | ||
196 | panic("floppy: Port bolixed."); | ||
197 | case 2: /* FD_DOR */ | ||
198 | sun_set_dor(value, 1); | ||
199 | break; | ||
200 | case 5: /* FD_DATA */ | ||
201 | sun_fdc->data_82077 = value; | ||
202 | break; | ||
203 | case 7: /* FD_DCR */ | ||
204 | sun_fdc->dcr_82077 = value; | ||
205 | break; | ||
206 | case 4: /* FD_STATUS */ | ||
207 | sun_fdc->status_82077 = value; | ||
208 | break; | ||
209 | case 3: /* FD_TDR */ | ||
210 | sun_fdc->tapectl_82077 = value; | ||
211 | break; | ||
212 | }; | ||
213 | return; | ||
214 | } | ||
215 | |||
216 | /* For pseudo-dma (Sun floppy drives have no real DMA available to | ||
217 | * them so we must eat the data fifo bytes directly ourselves) we have | ||
218 | * three state variables. doing_pdma tells our inline low-level | ||
219 | * assembly floppy interrupt entry point whether it should sit and eat | ||
220 | * bytes from the fifo or just transfer control up to the higher level | ||
221 | * floppy interrupt c-code. I tried very hard but I could not get the | ||
222 | * pseudo-dma to work in c-code without getting many overruns and | ||
223 | * underruns. If non-zero, doing_pdma encodes the direction of | ||
224 | * the transfer for debugging. 1=read 2=write | ||
225 | */ | ||
226 | extern char *pdma_vaddr; | ||
227 | extern unsigned long pdma_size; | ||
228 | extern volatile int doing_pdma; | ||
229 | |||
230 | /* This is software state */ | ||
231 | extern char *pdma_base; | ||
232 | extern unsigned long pdma_areasize; | ||
233 | |||
234 | /* Common routines to all controller types on the Sparc. */ | ||
235 | static inline void virtual_dma_init(void) | ||
236 | { | ||
237 | /* nothing... */ | ||
238 | } | ||
239 | |||
240 | static inline void sun_fd_disable_dma(void) | ||
241 | { | ||
242 | doing_pdma = 0; | ||
243 | if (pdma_base) { | ||
244 | mmu_unlockarea(pdma_base, pdma_areasize); | ||
245 | pdma_base = NULL; | ||
246 | } | ||
247 | } | ||
248 | |||
249 | static inline void sun_fd_set_dma_mode(int mode) | ||
250 | { | ||
251 | switch(mode) { | ||
252 | case DMA_MODE_READ: | ||
253 | doing_pdma = 1; | ||
254 | break; | ||
255 | case DMA_MODE_WRITE: | ||
256 | doing_pdma = 2; | ||
257 | break; | ||
258 | default: | ||
259 | printk("Unknown dma mode %d\n", mode); | ||
260 | panic("floppy: Giving up..."); | ||
261 | } | ||
262 | } | ||
263 | |||
264 | static inline void sun_fd_set_dma_addr(char *buffer) | ||
265 | { | ||
266 | pdma_vaddr = buffer; | ||
267 | } | ||
268 | |||
269 | static inline void sun_fd_set_dma_count(int length) | ||
270 | { | ||
271 | pdma_size = length; | ||
272 | } | ||
273 | |||
274 | static inline void sun_fd_enable_dma(void) | ||
275 | { | ||
276 | pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); | ||
277 | pdma_base = pdma_vaddr; | ||
278 | pdma_areasize = pdma_size; | ||
279 | } | ||
280 | |||
281 | /* Our low-level entry point in arch/sparc/kernel/entry.S */ | ||
282 | extern int sparc_floppy_request_irq(int irq, unsigned long flags, | ||
283 | irq_handler_t irq_handler); | ||
284 | |||
285 | static int sun_fd_request_irq(void) | ||
286 | { | ||
287 | static int once = 0; | ||
288 | int error; | ||
289 | |||
290 | if(!once) { | ||
291 | once = 1; | ||
292 | error = sparc_floppy_request_irq(FLOPPY_IRQ, | ||
293 | IRQF_DISABLED, | ||
294 | floppy_interrupt); | ||
295 | return ((error == 0) ? 0 : -1); | ||
296 | } else return 0; | ||
297 | } | ||
298 | |||
299 | static struct linux_prom_registers fd_regs[2]; | ||
300 | |||
301 | static int sun_floppy_init(void) | ||
302 | { | ||
303 | char state[128]; | ||
304 | int tnode, fd_node, num_regs; | ||
305 | struct resource r; | ||
306 | |||
307 | use_virtual_dma = 1; | ||
308 | |||
309 | FLOPPY_IRQ = 11; | ||
310 | /* Forget it if we aren't on a machine that could possibly | ||
311 | * ever have a floppy drive. | ||
312 | */ | ||
313 | if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) || | ||
314 | ((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) || | ||
315 | (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) { | ||
316 | /* We certainly don't have a floppy controller. */ | ||
317 | goto no_sun_fdc; | ||
318 | } | ||
319 | /* Well, try to find one. */ | ||
320 | tnode = prom_getchild(prom_root_node); | ||
321 | fd_node = prom_searchsiblings(tnode, "obio"); | ||
322 | if(fd_node != 0) { | ||
323 | tnode = prom_getchild(fd_node); | ||
324 | fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo"); | ||
325 | } else { | ||
326 | fd_node = prom_searchsiblings(tnode, "fd"); | ||
327 | } | ||
328 | if(fd_node == 0) { | ||
329 | goto no_sun_fdc; | ||
330 | } | ||
331 | |||
332 | /* The sun4m lets us know if the controller is actually usable. */ | ||
333 | if(sparc_cpu_model == sun4m && | ||
334 | prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) { | ||
335 | if(!strcmp(state, "disabled")) { | ||
336 | goto no_sun_fdc; | ||
337 | } | ||
338 | } | ||
339 | num_regs = prom_getproperty(fd_node, "reg", (char *) fd_regs, sizeof(fd_regs)); | ||
340 | num_regs = (num_regs / sizeof(fd_regs[0])); | ||
341 | prom_apply_obio_ranges(fd_regs, num_regs); | ||
342 | memset(&r, 0, sizeof(r)); | ||
343 | r.flags = fd_regs[0].which_io; | ||
344 | r.start = fd_regs[0].phys_addr; | ||
345 | sun_fdc = (struct sun_flpy_controller *) | ||
346 | sbus_ioremap(&r, 0, fd_regs[0].reg_size, "floppy"); | ||
347 | |||
348 | /* Last minute sanity check... */ | ||
349 | if(sun_fdc->status_82072 == 0xff) { | ||
350 | sun_fdc = NULL; | ||
351 | goto no_sun_fdc; | ||
352 | } | ||
353 | |||
354 | sun_fdops.fd_inb = sun_82077_fd_inb; | ||
355 | sun_fdops.fd_outb = sun_82077_fd_outb; | ||
356 | fdc_status = &sun_fdc->status_82077; | ||
357 | |||
358 | if (sun_fdc->dor_82077 == 0x80) { | ||
359 | sun_fdc->dor_82077 = 0x02; | ||
360 | if (sun_fdc->dor_82077 == 0x80) { | ||
361 | sun_fdops.fd_inb = sun_82072_fd_inb; | ||
362 | sun_fdops.fd_outb = sun_82072_fd_outb; | ||
363 | fdc_status = &sun_fdc->status_82072; | ||
364 | } | ||
365 | } | ||
366 | |||
367 | /* Success... */ | ||
368 | allowed_drive_mask = 0x01; | ||
369 | return (int) sun_fdc; | ||
370 | |||
371 | no_sun_fdc: | ||
372 | return -1; | ||
373 | } | ||
374 | |||
375 | static int sparc_eject(void) | ||
376 | { | ||
377 | set_dor(0x00, 0xff, 0x90); | ||
378 | udelay(500); | ||
379 | set_dor(0x00, 0x6f, 0x00); | ||
380 | udelay(500); | ||
381 | return 0; | ||
382 | } | ||
383 | |||
384 | #define fd_eject(drive) sparc_eject() | ||
385 | |||
386 | #define EXTRA_FLOPPY_PARAMS | ||
387 | |||
388 | #endif /* !(__ASM_SPARC_FLOPPY_H) */ | ||
diff --git a/include/asm-sparc/floppy_64.h b/include/asm-sparc/floppy_64.h new file mode 100644 index 000000000000..c39db1060bc7 --- /dev/null +++ b/include/asm-sparc/floppy_64.h | |||
@@ -0,0 +1,782 @@ | |||
1 | /* floppy.h: Sparc specific parts of the Floppy driver. | ||
2 | * | ||
3 | * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
5 | * | ||
6 | * Ultra/PCI support added: Sep 1997 Eddie C. Dost (ecd@skynet.be) | ||
7 | */ | ||
8 | |||
9 | #ifndef __ASM_SPARC64_FLOPPY_H | ||
10 | #define __ASM_SPARC64_FLOPPY_H | ||
11 | |||
12 | #include <linux/init.h> | ||
13 | #include <linux/pci.h> | ||
14 | |||
15 | #include <asm/page.h> | ||
16 | #include <asm/pgtable.h> | ||
17 | #include <asm/system.h> | ||
18 | #include <asm/idprom.h> | ||
19 | #include <asm/oplib.h> | ||
20 | #include <asm/auxio.h> | ||
21 | #include <asm/sbus.h> | ||
22 | #include <asm/irq.h> | ||
23 | |||
24 | |||
25 | /* | ||
26 | * Define this to enable exchanging drive 0 and 1 if only drive 1 is | ||
27 | * probed on PCI machines. | ||
28 | */ | ||
29 | #undef PCI_FDC_SWAP_DRIVES | ||
30 | |||
31 | |||
32 | /* References: | ||
33 | * 1) Netbsd Sun floppy driver. | ||
34 | * 2) NCR 82077 controller manual | ||
35 | * 3) Intel 82077 controller manual | ||
36 | */ | ||
37 | struct sun_flpy_controller { | ||
38 | volatile unsigned char status1_82077; /* Auxiliary Status reg. 1 */ | ||
39 | volatile unsigned char status2_82077; /* Auxiliary Status reg. 2 */ | ||
40 | volatile unsigned char dor_82077; /* Digital Output reg. */ | ||
41 | volatile unsigned char tapectl_82077; /* Tape Control reg */ | ||
42 | volatile unsigned char status_82077; /* Main Status Register. */ | ||
43 | #define drs_82077 status_82077 /* Digital Rate Select reg. */ | ||
44 | volatile unsigned char data_82077; /* Data fifo. */ | ||
45 | volatile unsigned char ___unused; | ||
46 | volatile unsigned char dir_82077; /* Digital Input reg. */ | ||
47 | #define dcr_82077 dir_82077 /* Config Control reg. */ | ||
48 | }; | ||
49 | |||
50 | /* You'll only ever find one controller on an Ultra anyways. */ | ||
51 | static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1; | ||
52 | unsigned long fdc_status; | ||
53 | static struct sbus_dev *floppy_sdev = NULL; | ||
54 | |||
55 | struct sun_floppy_ops { | ||
56 | unsigned char (*fd_inb) (unsigned long port); | ||
57 | void (*fd_outb) (unsigned char value, unsigned long port); | ||
58 | void (*fd_enable_dma) (void); | ||
59 | void (*fd_disable_dma) (void); | ||
60 | void (*fd_set_dma_mode) (int); | ||
61 | void (*fd_set_dma_addr) (char *); | ||
62 | void (*fd_set_dma_count) (int); | ||
63 | unsigned int (*get_dma_residue) (void); | ||
64 | int (*fd_request_irq) (void); | ||
65 | void (*fd_free_irq) (void); | ||
66 | int (*fd_eject) (int); | ||
67 | }; | ||
68 | |||
69 | static struct sun_floppy_ops sun_fdops; | ||
70 | |||
71 | #define fd_inb(port) sun_fdops.fd_inb(port) | ||
72 | #define fd_outb(value,port) sun_fdops.fd_outb(value,port) | ||
73 | #define fd_enable_dma() sun_fdops.fd_enable_dma() | ||
74 | #define fd_disable_dma() sun_fdops.fd_disable_dma() | ||
75 | #define fd_request_dma() (0) /* nothing... */ | ||
76 | #define fd_free_dma() /* nothing... */ | ||
77 | #define fd_clear_dma_ff() /* nothing... */ | ||
78 | #define fd_set_dma_mode(mode) sun_fdops.fd_set_dma_mode(mode) | ||
79 | #define fd_set_dma_addr(addr) sun_fdops.fd_set_dma_addr(addr) | ||
80 | #define fd_set_dma_count(count) sun_fdops.fd_set_dma_count(count) | ||
81 | #define get_dma_residue(x) sun_fdops.get_dma_residue() | ||
82 | #define fd_cacheflush(addr, size) /* nothing... */ | ||
83 | #define fd_request_irq() sun_fdops.fd_request_irq() | ||
84 | #define fd_free_irq() sun_fdops.fd_free_irq() | ||
85 | #define fd_eject(drive) sun_fdops.fd_eject(drive) | ||
86 | |||
87 | /* Super paranoid... */ | ||
88 | #undef HAVE_DISABLE_HLT | ||
89 | |||
90 | static int sun_floppy_types[2] = { 0, 0 }; | ||
91 | |||
92 | /* Here is where we catch the floppy driver trying to initialize, | ||
93 | * therefore this is where we call the PROM device tree probing | ||
94 | * routine etc. on the Sparc. | ||
95 | */ | ||
96 | #define FLOPPY0_TYPE sun_floppy_init() | ||
97 | #define FLOPPY1_TYPE sun_floppy_types[1] | ||
98 | |||
99 | #define FDC1 ((unsigned long)sun_fdc) | ||
100 | |||
101 | #define N_FDC 1 | ||
102 | #define N_DRIVE 8 | ||
103 | |||
104 | /* No 64k boundary crossing problems on the Sparc. */ | ||
105 | #define CROSS_64KB(a,s) (0) | ||
106 | |||
107 | static unsigned char sun_82077_fd_inb(unsigned long port) | ||
108 | { | ||
109 | udelay(5); | ||
110 | switch(port & 7) { | ||
111 | default: | ||
112 | printk("floppy: Asked to read unknown port %lx\n", port); | ||
113 | panic("floppy: Port bolixed."); | ||
114 | case 4: /* FD_STATUS */ | ||
115 | return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA; | ||
116 | case 5: /* FD_DATA */ | ||
117 | return sbus_readb(&sun_fdc->data_82077); | ||
118 | case 7: /* FD_DIR */ | ||
119 | /* XXX: Is DCL on 0x80 in sun4m? */ | ||
120 | return sbus_readb(&sun_fdc->dir_82077); | ||
121 | }; | ||
122 | panic("sun_82072_fd_inb: How did I get here?"); | ||
123 | } | ||
124 | |||
125 | static void sun_82077_fd_outb(unsigned char value, unsigned long port) | ||
126 | { | ||
127 | udelay(5); | ||
128 | switch(port & 7) { | ||
129 | default: | ||
130 | printk("floppy: Asked to write to unknown port %lx\n", port); | ||
131 | panic("floppy: Port bolixed."); | ||
132 | case 2: /* FD_DOR */ | ||
133 | /* Happily, the 82077 has a real DOR register. */ | ||
134 | sbus_writeb(value, &sun_fdc->dor_82077); | ||
135 | break; | ||
136 | case 5: /* FD_DATA */ | ||
137 | sbus_writeb(value, &sun_fdc->data_82077); | ||
138 | break; | ||
139 | case 7: /* FD_DCR */ | ||
140 | sbus_writeb(value, &sun_fdc->dcr_82077); | ||
141 | break; | ||
142 | case 4: /* FD_STATUS */ | ||
143 | sbus_writeb(value, &sun_fdc->status_82077); | ||
144 | break; | ||
145 | }; | ||
146 | return; | ||
147 | } | ||
148 | |||
149 | /* For pseudo-dma (Sun floppy drives have no real DMA available to | ||
150 | * them so we must eat the data fifo bytes directly ourselves) we have | ||
151 | * three state variables. doing_pdma tells our inline low-level | ||
152 | * assembly floppy interrupt entry point whether it should sit and eat | ||
153 | * bytes from the fifo or just transfer control up to the higher level | ||
154 | * floppy interrupt c-code. I tried very hard but I could not get the | ||
155 | * pseudo-dma to work in c-code without getting many overruns and | ||
156 | * underruns. If non-zero, doing_pdma encodes the direction of | ||
157 | * the transfer for debugging. 1=read 2=write | ||
158 | */ | ||
159 | unsigned char *pdma_vaddr; | ||
160 | unsigned long pdma_size; | ||
161 | volatile int doing_pdma = 0; | ||
162 | |||
163 | /* This is software state */ | ||
164 | char *pdma_base = NULL; | ||
165 | unsigned long pdma_areasize; | ||
166 | |||
167 | /* Common routines to all controller types on the Sparc. */ | ||
168 | static void sun_fd_disable_dma(void) | ||
169 | { | ||
170 | doing_pdma = 0; | ||
171 | if (pdma_base) { | ||
172 | mmu_unlockarea(pdma_base, pdma_areasize); | ||
173 | pdma_base = NULL; | ||
174 | } | ||
175 | } | ||
176 | |||
177 | static void sun_fd_set_dma_mode(int mode) | ||
178 | { | ||
179 | switch(mode) { | ||
180 | case DMA_MODE_READ: | ||
181 | doing_pdma = 1; | ||
182 | break; | ||
183 | case DMA_MODE_WRITE: | ||
184 | doing_pdma = 2; | ||
185 | break; | ||
186 | default: | ||
187 | printk("Unknown dma mode %d\n", mode); | ||
188 | panic("floppy: Giving up..."); | ||
189 | } | ||
190 | } | ||
191 | |||
192 | static void sun_fd_set_dma_addr(char *buffer) | ||
193 | { | ||
194 | pdma_vaddr = buffer; | ||
195 | } | ||
196 | |||
197 | static void sun_fd_set_dma_count(int length) | ||
198 | { | ||
199 | pdma_size = length; | ||
200 | } | ||
201 | |||
202 | static void sun_fd_enable_dma(void) | ||
203 | { | ||
204 | pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); | ||
205 | pdma_base = pdma_vaddr; | ||
206 | pdma_areasize = pdma_size; | ||
207 | } | ||
208 | |||
209 | irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie) | ||
210 | { | ||
211 | if (likely(doing_pdma)) { | ||
212 | void __iomem *stat = (void __iomem *) fdc_status; | ||
213 | unsigned char *vaddr = pdma_vaddr; | ||
214 | unsigned long size = pdma_size; | ||
215 | u8 val; | ||
216 | |||
217 | while (size) { | ||
218 | val = readb(stat); | ||
219 | if (unlikely(!(val & 0x80))) { | ||
220 | pdma_vaddr = vaddr; | ||
221 | pdma_size = size; | ||
222 | return IRQ_HANDLED; | ||
223 | } | ||
224 | if (unlikely(!(val & 0x20))) { | ||
225 | pdma_vaddr = vaddr; | ||
226 | pdma_size = size; | ||
227 | doing_pdma = 0; | ||
228 | goto main_interrupt; | ||
229 | } | ||
230 | if (val & 0x40) { | ||
231 | /* read */ | ||
232 | *vaddr++ = readb(stat + 1); | ||
233 | } else { | ||
234 | unsigned char data = *vaddr++; | ||
235 | |||
236 | /* write */ | ||
237 | writeb(data, stat + 1); | ||
238 | } | ||
239 | size--; | ||
240 | } | ||
241 | |||
242 | pdma_vaddr = vaddr; | ||
243 | pdma_size = size; | ||
244 | |||
245 | /* Send Terminal Count pulse to floppy controller. */ | ||
246 | val = readb(auxio_register); | ||
247 | val |= AUXIO_AUX1_FTCNT; | ||
248 | writeb(val, auxio_register); | ||
249 | val &= ~AUXIO_AUX1_FTCNT; | ||
250 | writeb(val, auxio_register); | ||
251 | |||
252 | doing_pdma = 0; | ||
253 | } | ||
254 | |||
255 | main_interrupt: | ||
256 | return floppy_interrupt(irq, dev_cookie); | ||
257 | } | ||
258 | |||
259 | static int sun_fd_request_irq(void) | ||
260 | { | ||
261 | static int once = 0; | ||
262 | int error; | ||
263 | |||
264 | if(!once) { | ||
265 | once = 1; | ||
266 | |||
267 | error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, | ||
268 | IRQF_DISABLED, "floppy", NULL); | ||
269 | |||
270 | return ((error == 0) ? 0 : -1); | ||
271 | } | ||
272 | return 0; | ||
273 | } | ||
274 | |||
275 | static void sun_fd_free_irq(void) | ||
276 | { | ||
277 | } | ||
278 | |||
279 | static unsigned int sun_get_dma_residue(void) | ||
280 | { | ||
281 | /* XXX This isn't really correct. XXX */ | ||
282 | return 0; | ||
283 | } | ||
284 | |||
285 | static int sun_fd_eject(int drive) | ||
286 | { | ||
287 | set_dor(0x00, 0xff, 0x90); | ||
288 | udelay(500); | ||
289 | set_dor(0x00, 0x6f, 0x00); | ||
290 | udelay(500); | ||
291 | return 0; | ||
292 | } | ||
293 | |||
294 | #ifdef CONFIG_PCI | ||
295 | #include <asm/ebus.h> | ||
296 | #include <asm/ns87303.h> | ||
297 | |||
298 | static struct ebus_dma_info sun_pci_fd_ebus_dma; | ||
299 | static struct pci_dev *sun_pci_ebus_dev; | ||
300 | static int sun_pci_broken_drive = -1; | ||
301 | |||
302 | struct sun_pci_dma_op { | ||
303 | unsigned int addr; | ||
304 | int len; | ||
305 | int direction; | ||
306 | char *buf; | ||
307 | }; | ||
308 | static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL}; | ||
309 | static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL}; | ||
310 | |||
311 | extern irqreturn_t floppy_interrupt(int irq, void *dev_id); | ||
312 | |||
313 | static unsigned char sun_pci_fd_inb(unsigned long port) | ||
314 | { | ||
315 | udelay(5); | ||
316 | return inb(port); | ||
317 | } | ||
318 | |||
319 | static void sun_pci_fd_outb(unsigned char val, unsigned long port) | ||
320 | { | ||
321 | udelay(5); | ||
322 | outb(val, port); | ||
323 | } | ||
324 | |||
325 | static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port) | ||
326 | { | ||
327 | udelay(5); | ||
328 | /* | ||
329 | * XXX: Due to SUN's broken floppy connector on AX and AXi | ||
330 | * we need to turn on MOTOR_0 also, if the floppy is | ||
331 | * jumpered to DS1 (like most PC floppies are). I hope | ||
332 | * this does not hurt correct hardware like the AXmp. | ||
333 | * (Eddie, Sep 12 1998). | ||
334 | */ | ||
335 | if (port == ((unsigned long)sun_fdc) + 2) { | ||
336 | if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) { | ||
337 | val |= 0x10; | ||
338 | } | ||
339 | } | ||
340 | outb(val, port); | ||
341 | } | ||
342 | |||
343 | #ifdef PCI_FDC_SWAP_DRIVES | ||
344 | static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port) | ||
345 | { | ||
346 | udelay(5); | ||
347 | /* | ||
348 | * XXX: Due to SUN's broken floppy connector on AX and AXi | ||
349 | * we need to turn on MOTOR_0 also, if the floppy is | ||
350 | * jumpered to DS1 (like most PC floppies are). I hope | ||
351 | * this does not hurt correct hardware like the AXmp. | ||
352 | * (Eddie, Sep 12 1998). | ||
353 | */ | ||
354 | if (port == ((unsigned long)sun_fdc) + 2) { | ||
355 | if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) { | ||
356 | val &= ~(0x03); | ||
357 | val |= 0x21; | ||
358 | } | ||
359 | } | ||
360 | outb(val, port); | ||
361 | } | ||
362 | #endif /* PCI_FDC_SWAP_DRIVES */ | ||
363 | |||
364 | static void sun_pci_fd_enable_dma(void) | ||
365 | { | ||
366 | BUG_ON((NULL == sun_pci_dma_pending.buf) || | ||
367 | (0 == sun_pci_dma_pending.len) || | ||
368 | (0 == sun_pci_dma_pending.direction)); | ||
369 | |||
370 | sun_pci_dma_current.buf = sun_pci_dma_pending.buf; | ||
371 | sun_pci_dma_current.len = sun_pci_dma_pending.len; | ||
372 | sun_pci_dma_current.direction = sun_pci_dma_pending.direction; | ||
373 | |||
374 | sun_pci_dma_pending.buf = NULL; | ||
375 | sun_pci_dma_pending.len = 0; | ||
376 | sun_pci_dma_pending.direction = 0; | ||
377 | sun_pci_dma_pending.addr = -1U; | ||
378 | |||
379 | sun_pci_dma_current.addr = | ||
380 | pci_map_single(sun_pci_ebus_dev, | ||
381 | sun_pci_dma_current.buf, | ||
382 | sun_pci_dma_current.len, | ||
383 | sun_pci_dma_current.direction); | ||
384 | |||
385 | ebus_dma_enable(&sun_pci_fd_ebus_dma, 1); | ||
386 | |||
387 | if (ebus_dma_request(&sun_pci_fd_ebus_dma, | ||
388 | sun_pci_dma_current.addr, | ||
389 | sun_pci_dma_current.len)) | ||
390 | BUG(); | ||
391 | } | ||
392 | |||
393 | static void sun_pci_fd_disable_dma(void) | ||
394 | { | ||
395 | ebus_dma_enable(&sun_pci_fd_ebus_dma, 0); | ||
396 | if (sun_pci_dma_current.addr != -1U) | ||
397 | pci_unmap_single(sun_pci_ebus_dev, | ||
398 | sun_pci_dma_current.addr, | ||
399 | sun_pci_dma_current.len, | ||
400 | sun_pci_dma_current.direction); | ||
401 | sun_pci_dma_current.addr = -1U; | ||
402 | } | ||
403 | |||
404 | static void sun_pci_fd_set_dma_mode(int mode) | ||
405 | { | ||
406 | if (mode == DMA_MODE_WRITE) | ||
407 | sun_pci_dma_pending.direction = PCI_DMA_TODEVICE; | ||
408 | else | ||
409 | sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE; | ||
410 | |||
411 | ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE); | ||
412 | } | ||
413 | |||
414 | static void sun_pci_fd_set_dma_count(int length) | ||
415 | { | ||
416 | sun_pci_dma_pending.len = length; | ||
417 | } | ||
418 | |||
419 | static void sun_pci_fd_set_dma_addr(char *buffer) | ||
420 | { | ||
421 | sun_pci_dma_pending.buf = buffer; | ||
422 | } | ||
423 | |||
424 | static unsigned int sun_pci_get_dma_residue(void) | ||
425 | { | ||
426 | return ebus_dma_residue(&sun_pci_fd_ebus_dma); | ||
427 | } | ||
428 | |||
429 | static int sun_pci_fd_request_irq(void) | ||
430 | { | ||
431 | return ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 1); | ||
432 | } | ||
433 | |||
434 | static void sun_pci_fd_free_irq(void) | ||
435 | { | ||
436 | ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 0); | ||
437 | } | ||
438 | |||
439 | static int sun_pci_fd_eject(int drive) | ||
440 | { | ||
441 | return -EINVAL; | ||
442 | } | ||
443 | |||
444 | void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie) | ||
445 | { | ||
446 | floppy_interrupt(0, NULL); | ||
447 | } | ||
448 | |||
449 | /* | ||
450 | * Floppy probing, we'd like to use /dev/fd0 for a single Floppy on PCI, | ||
451 | * even if this is configured using DS1, thus looks like /dev/fd1 with | ||
452 | * the cabling used in Ultras. | ||
453 | */ | ||
454 | #define DOR (port + 2) | ||
455 | #define MSR (port + 4) | ||
456 | #define FIFO (port + 5) | ||
457 | |||
458 | static void sun_pci_fd_out_byte(unsigned long port, unsigned char val, | ||
459 | unsigned long reg) | ||
460 | { | ||
461 | unsigned char status; | ||
462 | int timeout = 1000; | ||
463 | |||
464 | while (!((status = inb(MSR)) & 0x80) && --timeout) | ||
465 | udelay(100); | ||
466 | outb(val, reg); | ||
467 | } | ||
468 | |||
469 | static unsigned char sun_pci_fd_sensei(unsigned long port) | ||
470 | { | ||
471 | unsigned char result[2] = { 0x70, 0x00 }; | ||
472 | unsigned char status; | ||
473 | int i = 0; | ||
474 | |||
475 | sun_pci_fd_out_byte(port, 0x08, FIFO); | ||
476 | do { | ||
477 | int timeout = 1000; | ||
478 | |||
479 | while (!((status = inb(MSR)) & 0x80) && --timeout) | ||
480 | udelay(100); | ||
481 | |||
482 | if (!timeout) | ||
483 | break; | ||
484 | |||
485 | if ((status & 0xf0) == 0xd0) | ||
486 | result[i++] = inb(FIFO); | ||
487 | else | ||
488 | break; | ||
489 | } while (i < 2); | ||
490 | |||
491 | return result[0]; | ||
492 | } | ||
493 | |||
494 | static void sun_pci_fd_reset(unsigned long port) | ||
495 | { | ||
496 | unsigned char mask = 0x00; | ||
497 | unsigned char status; | ||
498 | int timeout = 10000; | ||
499 | |||
500 | outb(0x80, MSR); | ||
501 | do { | ||
502 | status = sun_pci_fd_sensei(port); | ||
503 | if ((status & 0xc0) == 0xc0) | ||
504 | mask |= 1 << (status & 0x03); | ||
505 | else | ||
506 | udelay(100); | ||
507 | } while ((mask != 0x0f) && --timeout); | ||
508 | } | ||
509 | |||
510 | static int sun_pci_fd_test_drive(unsigned long port, int drive) | ||
511 | { | ||
512 | unsigned char status, data; | ||
513 | int timeout = 1000; | ||
514 | int ready; | ||
515 | |||
516 | sun_pci_fd_reset(port); | ||
517 | |||
518 | data = (0x10 << drive) | 0x0c | drive; | ||
519 | sun_pci_fd_out_byte(port, data, DOR); | ||
520 | |||
521 | sun_pci_fd_out_byte(port, 0x07, FIFO); | ||
522 | sun_pci_fd_out_byte(port, drive & 0x03, FIFO); | ||
523 | |||
524 | do { | ||
525 | udelay(100); | ||
526 | status = sun_pci_fd_sensei(port); | ||
527 | } while (((status & 0xc0) == 0x80) && --timeout); | ||
528 | |||
529 | if (!timeout) | ||
530 | ready = 0; | ||
531 | else | ||
532 | ready = (status & 0x10) ? 0 : 1; | ||
533 | |||
534 | sun_pci_fd_reset(port); | ||
535 | return ready; | ||
536 | } | ||
537 | #undef FIFO | ||
538 | #undef MSR | ||
539 | #undef DOR | ||
540 | |||
541 | #endif /* CONFIG_PCI */ | ||
542 | |||
543 | #ifdef CONFIG_PCI | ||
544 | static int __init ebus_fdthree_p(struct linux_ebus_device *edev) | ||
545 | { | ||
546 | if (!strcmp(edev->prom_node->name, "fdthree")) | ||
547 | return 1; | ||
548 | if (!strcmp(edev->prom_node->name, "floppy")) { | ||
549 | const char *compat; | ||
550 | |||
551 | compat = of_get_property(edev->prom_node, | ||
552 | "compatible", NULL); | ||
553 | if (compat && !strcmp(compat, "fdthree")) | ||
554 | return 1; | ||
555 | } | ||
556 | return 0; | ||
557 | } | ||
558 | #endif | ||
559 | |||
560 | static unsigned long __init sun_floppy_init(void) | ||
561 | { | ||
562 | char state[128]; | ||
563 | struct sbus_bus *bus; | ||
564 | struct sbus_dev *sdev = NULL; | ||
565 | static int initialized = 0; | ||
566 | |||
567 | if (initialized) | ||
568 | return sun_floppy_types[0]; | ||
569 | initialized = 1; | ||
570 | |||
571 | for_all_sbusdev (sdev, bus) { | ||
572 | if (!strcmp(sdev->prom_name, "SUNW,fdtwo")) | ||
573 | break; | ||
574 | } | ||
575 | if(sdev) { | ||
576 | floppy_sdev = sdev; | ||
577 | FLOPPY_IRQ = sdev->irqs[0]; | ||
578 | } else { | ||
579 | #ifdef CONFIG_PCI | ||
580 | struct linux_ebus *ebus; | ||
581 | struct linux_ebus_device *edev = NULL; | ||
582 | unsigned long config = 0; | ||
583 | void __iomem *auxio_reg; | ||
584 | const char *state_prop; | ||
585 | |||
586 | for_each_ebus(ebus) { | ||
587 | for_each_ebusdev(edev, ebus) { | ||
588 | if (ebus_fdthree_p(edev)) | ||
589 | goto ebus_done; | ||
590 | } | ||
591 | } | ||
592 | ebus_done: | ||
593 | if (!edev) | ||
594 | return 0; | ||
595 | |||
596 | state_prop = of_get_property(edev->prom_node, "status", NULL); | ||
597 | if (state_prop && !strncmp(state_prop, "disabled", 8)) | ||
598 | return 0; | ||
599 | |||
600 | FLOPPY_IRQ = edev->irqs[0]; | ||
601 | |||
602 | /* Make sure the high density bit is set, some systems | ||
603 | * (most notably Ultra5/Ultra10) come up with it clear. | ||
604 | */ | ||
605 | auxio_reg = (void __iomem *) edev->resource[2].start; | ||
606 | writel(readl(auxio_reg)|0x2, auxio_reg); | ||
607 | |||
608 | sun_pci_ebus_dev = ebus->self; | ||
609 | |||
610 | spin_lock_init(&sun_pci_fd_ebus_dma.lock); | ||
611 | |||
612 | /* XXX ioremap */ | ||
613 | sun_pci_fd_ebus_dma.regs = (void __iomem *) | ||
614 | edev->resource[1].start; | ||
615 | if (!sun_pci_fd_ebus_dma.regs) | ||
616 | return 0; | ||
617 | |||
618 | sun_pci_fd_ebus_dma.flags = (EBUS_DMA_FLAG_USE_EBDMA_HANDLER | | ||
619 | EBUS_DMA_FLAG_TCI_DISABLE); | ||
620 | sun_pci_fd_ebus_dma.callback = sun_pci_fd_dma_callback; | ||
621 | sun_pci_fd_ebus_dma.client_cookie = NULL; | ||
622 | sun_pci_fd_ebus_dma.irq = FLOPPY_IRQ; | ||
623 | strcpy(sun_pci_fd_ebus_dma.name, "floppy"); | ||
624 | if (ebus_dma_register(&sun_pci_fd_ebus_dma)) | ||
625 | return 0; | ||
626 | |||
627 | /* XXX ioremap */ | ||
628 | sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start; | ||
629 | |||
630 | sun_fdops.fd_inb = sun_pci_fd_inb; | ||
631 | sun_fdops.fd_outb = sun_pci_fd_outb; | ||
632 | |||
633 | can_use_virtual_dma = use_virtual_dma = 0; | ||
634 | sun_fdops.fd_enable_dma = sun_pci_fd_enable_dma; | ||
635 | sun_fdops.fd_disable_dma = sun_pci_fd_disable_dma; | ||
636 | sun_fdops.fd_set_dma_mode = sun_pci_fd_set_dma_mode; | ||
637 | sun_fdops.fd_set_dma_addr = sun_pci_fd_set_dma_addr; | ||
638 | sun_fdops.fd_set_dma_count = sun_pci_fd_set_dma_count; | ||
639 | sun_fdops.get_dma_residue = sun_pci_get_dma_residue; | ||
640 | |||
641 | sun_fdops.fd_request_irq = sun_pci_fd_request_irq; | ||
642 | sun_fdops.fd_free_irq = sun_pci_fd_free_irq; | ||
643 | |||
644 | sun_fdops.fd_eject = sun_pci_fd_eject; | ||
645 | |||
646 | fdc_status = (unsigned long) &sun_fdc->status_82077; | ||
647 | |||
648 | /* | ||
649 | * XXX: Find out on which machines this is really needed. | ||
650 | */ | ||
651 | if (1) { | ||
652 | sun_pci_broken_drive = 1; | ||
653 | sun_fdops.fd_outb = sun_pci_fd_broken_outb; | ||
654 | } | ||
655 | |||
656 | allowed_drive_mask = 0; | ||
657 | if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 0)) | ||
658 | sun_floppy_types[0] = 4; | ||
659 | if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 1)) | ||
660 | sun_floppy_types[1] = 4; | ||
661 | |||
662 | /* | ||
663 | * Find NS87303 SuperIO config registers (through ecpp). | ||
664 | */ | ||
665 | for_each_ebus(ebus) { | ||
666 | for_each_ebusdev(edev, ebus) { | ||
667 | if (!strcmp(edev->prom_node->name, "ecpp")) { | ||
668 | config = edev->resource[1].start; | ||
669 | goto config_done; | ||
670 | } | ||
671 | } | ||
672 | } | ||
673 | config_done: | ||
674 | |||
675 | /* | ||
676 | * Sanity check, is this really the NS87303? | ||
677 | */ | ||
678 | switch (config & 0x3ff) { | ||
679 | case 0x02e: | ||
680 | case 0x15c: | ||
681 | case 0x26e: | ||
682 | case 0x398: | ||
683 | break; | ||
684 | default: | ||
685 | config = 0; | ||
686 | } | ||
687 | |||
688 | if (!config) | ||
689 | return sun_floppy_types[0]; | ||
690 | |||
691 | /* Enable PC-AT mode. */ | ||
692 | ns87303_modify(config, ASC, 0, 0xc0); | ||
693 | |||
694 | #ifdef PCI_FDC_SWAP_DRIVES | ||
695 | /* | ||
696 | * If only Floppy 1 is present, swap drives. | ||
697 | */ | ||
698 | if (!sun_floppy_types[0] && sun_floppy_types[1]) { | ||
699 | /* | ||
700 | * Set the drive exchange bit in FCR on NS87303, | ||
701 | * make sure other bits are sane before doing so. | ||
702 | */ | ||
703 | ns87303_modify(config, FER, FER_EDM, 0); | ||
704 | ns87303_modify(config, ASC, ASC_DRV2_SEL, 0); | ||
705 | ns87303_modify(config, FCR, 0, FCR_LDE); | ||
706 | |||
707 | config = sun_floppy_types[0]; | ||
708 | sun_floppy_types[0] = sun_floppy_types[1]; | ||
709 | sun_floppy_types[1] = config; | ||
710 | |||
711 | if (sun_pci_broken_drive != -1) { | ||
712 | sun_pci_broken_drive = 1 - sun_pci_broken_drive; | ||
713 | sun_fdops.fd_outb = sun_pci_fd_lde_broken_outb; | ||
714 | } | ||
715 | } | ||
716 | #endif /* PCI_FDC_SWAP_DRIVES */ | ||
717 | |||
718 | return sun_floppy_types[0]; | ||
719 | #else | ||
720 | return 0; | ||
721 | #endif | ||
722 | } | ||
723 | prom_getproperty(sdev->prom_node, "status", state, sizeof(state)); | ||
724 | if(!strncmp(state, "disabled", 8)) | ||
725 | return 0; | ||
726 | |||
727 | /* | ||
728 | * We cannot do sbus_ioremap here: it does request_region, | ||
729 | * which the generic floppy driver tries to do once again. | ||
730 | * But we must use the sdev resource values as they have | ||
731 | * had parent ranges applied. | ||
732 | */ | ||
733 | sun_fdc = (struct sun_flpy_controller *) | ||
734 | (sdev->resource[0].start + | ||
735 | ((sdev->resource[0].flags & 0x1ffUL) << 32UL)); | ||
736 | |||
737 | /* Last minute sanity check... */ | ||
738 | if(sbus_readb(&sun_fdc->status1_82077) == 0xff) { | ||
739 | sun_fdc = (struct sun_flpy_controller *)-1; | ||
740 | return 0; | ||
741 | } | ||
742 | |||
743 | sun_fdops.fd_inb = sun_82077_fd_inb; | ||
744 | sun_fdops.fd_outb = sun_82077_fd_outb; | ||
745 | |||
746 | can_use_virtual_dma = use_virtual_dma = 1; | ||
747 | sun_fdops.fd_enable_dma = sun_fd_enable_dma; | ||
748 | sun_fdops.fd_disable_dma = sun_fd_disable_dma; | ||
749 | sun_fdops.fd_set_dma_mode = sun_fd_set_dma_mode; | ||
750 | sun_fdops.fd_set_dma_addr = sun_fd_set_dma_addr; | ||
751 | sun_fdops.fd_set_dma_count = sun_fd_set_dma_count; | ||
752 | sun_fdops.get_dma_residue = sun_get_dma_residue; | ||
753 | |||
754 | sun_fdops.fd_request_irq = sun_fd_request_irq; | ||
755 | sun_fdops.fd_free_irq = sun_fd_free_irq; | ||
756 | |||
757 | sun_fdops.fd_eject = sun_fd_eject; | ||
758 | |||
759 | fdc_status = (unsigned long) &sun_fdc->status_82077; | ||
760 | |||
761 | /* Success... */ | ||
762 | allowed_drive_mask = 0x01; | ||
763 | sun_floppy_types[0] = 4; | ||
764 | sun_floppy_types[1] = 0; | ||
765 | |||
766 | return sun_floppy_types[0]; | ||
767 | } | ||
768 | |||
769 | #define EXTRA_FLOPPY_PARAMS | ||
770 | |||
771 | static DEFINE_SPINLOCK(dma_spin_lock); | ||
772 | |||
773 | #define claim_dma_lock() \ | ||
774 | ({ unsigned long flags; \ | ||
775 | spin_lock_irqsave(&dma_spin_lock, flags); \ | ||
776 | flags; \ | ||
777 | }) | ||
778 | |||
779 | #define release_dma_lock(__flags) \ | ||
780 | spin_unlock_irqrestore(&dma_spin_lock, __flags); | ||
781 | |||
782 | #endif /* !(__ASM_SPARC64_FLOPPY_H) */ | ||
diff --git a/include/asm-sparc/futex.h b/include/asm-sparc/futex.h index 6a332a9f099c..c6a9f038c531 100644 --- a/include/asm-sparc/futex.h +++ b/include/asm-sparc/futex.h | |||
@@ -1,6 +1,8 @@ | |||
1 | #ifndef _ASM_FUTEX_H | 1 | #ifndef ___ASM_SPARC_FUTEX_H |
2 | #define _ASM_FUTEX_H | 2 | #define ___ASM_SPARC_FUTEX_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm-generic/futex.h> | 4 | #include <asm-sparc/futex_64.h> |
5 | 5 | #else | |
6 | #include <asm-sparc/futex_32.h> | ||
7 | #endif | ||
6 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/futex_32.h b/include/asm-sparc/futex_32.h new file mode 100644 index 000000000000..6a332a9f099c --- /dev/null +++ b/include/asm-sparc/futex_32.h | |||
@@ -0,0 +1,6 @@ | |||
1 | #ifndef _ASM_FUTEX_H | ||
2 | #define _ASM_FUTEX_H | ||
3 | |||
4 | #include <asm-generic/futex.h> | ||
5 | |||
6 | #endif | ||
diff --git a/include/asm-sparc/futex_64.h b/include/asm-sparc/futex_64.h new file mode 100644 index 000000000000..d8378935ae90 --- /dev/null +++ b/include/asm-sparc/futex_64.h | |||
@@ -0,0 +1,110 @@ | |||
1 | #ifndef _SPARC64_FUTEX_H | ||
2 | #define _SPARC64_FUTEX_H | ||
3 | |||
4 | #include <linux/futex.h> | ||
5 | #include <linux/uaccess.h> | ||
6 | #include <asm/errno.h> | ||
7 | #include <asm/system.h> | ||
8 | |||
9 | #define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \ | ||
10 | __asm__ __volatile__( \ | ||
11 | "\n1: lduwa [%3] %%asi, %2\n" \ | ||
12 | " " insn "\n" \ | ||
13 | "2: casa [%3] %%asi, %2, %1\n" \ | ||
14 | " cmp %2, %1\n" \ | ||
15 | " bne,pn %%icc, 1b\n" \ | ||
16 | " mov 0, %0\n" \ | ||
17 | "3:\n" \ | ||
18 | " .section .fixup,#alloc,#execinstr\n" \ | ||
19 | " .align 4\n" \ | ||
20 | "4: sethi %%hi(3b), %0\n" \ | ||
21 | " jmpl %0 + %%lo(3b), %%g0\n" \ | ||
22 | " mov %5, %0\n" \ | ||
23 | " .previous\n" \ | ||
24 | " .section __ex_table,\"a\"\n" \ | ||
25 | " .align 4\n" \ | ||
26 | " .word 1b, 4b\n" \ | ||
27 | " .word 2b, 4b\n" \ | ||
28 | " .previous\n" \ | ||
29 | : "=&r" (ret), "=&r" (oldval), "=&r" (tem) \ | ||
30 | : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ | ||
31 | : "memory") | ||
32 | |||
33 | static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) | ||
34 | { | ||
35 | int op = (encoded_op >> 28) & 7; | ||
36 | int cmp = (encoded_op >> 24) & 15; | ||
37 | int oparg = (encoded_op << 8) >> 20; | ||
38 | int cmparg = (encoded_op << 20) >> 20; | ||
39 | int oldval = 0, ret, tem; | ||
40 | |||
41 | if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) | ||
42 | return -EFAULT; | ||
43 | if (unlikely((((unsigned long) uaddr) & 0x3UL))) | ||
44 | return -EINVAL; | ||
45 | |||
46 | if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) | ||
47 | oparg = 1 << oparg; | ||
48 | |||
49 | pagefault_disable(); | ||
50 | |||
51 | switch (op) { | ||
52 | case FUTEX_OP_SET: | ||
53 | __futex_cas_op("mov\t%4, %1", ret, oldval, uaddr, oparg); | ||
54 | break; | ||
55 | case FUTEX_OP_ADD: | ||
56 | __futex_cas_op("add\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
57 | break; | ||
58 | case FUTEX_OP_OR: | ||
59 | __futex_cas_op("or\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
60 | break; | ||
61 | case FUTEX_OP_ANDN: | ||
62 | __futex_cas_op("and\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
63 | break; | ||
64 | case FUTEX_OP_XOR: | ||
65 | __futex_cas_op("xor\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
66 | break; | ||
67 | default: | ||
68 | ret = -ENOSYS; | ||
69 | } | ||
70 | |||
71 | pagefault_enable(); | ||
72 | |||
73 | if (!ret) { | ||
74 | switch (cmp) { | ||
75 | case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; | ||
76 | case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; | ||
77 | case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; | ||
78 | case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; | ||
79 | case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; | ||
80 | case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; | ||
81 | default: ret = -ENOSYS; | ||
82 | } | ||
83 | } | ||
84 | return ret; | ||
85 | } | ||
86 | |||
87 | static inline int | ||
88 | futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) | ||
89 | { | ||
90 | __asm__ __volatile__( | ||
91 | "\n1: casa [%3] %%asi, %2, %0\n" | ||
92 | "2:\n" | ||
93 | " .section .fixup,#alloc,#execinstr\n" | ||
94 | " .align 4\n" | ||
95 | "3: sethi %%hi(2b), %0\n" | ||
96 | " jmpl %0 + %%lo(2b), %%g0\n" | ||
97 | " mov %4, %0\n" | ||
98 | " .previous\n" | ||
99 | " .section __ex_table,\"a\"\n" | ||
100 | " .align 4\n" | ||
101 | " .word 1b, 3b\n" | ||
102 | " .previous\n" | ||
103 | : "=r" (newval) | ||
104 | : "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT) | ||
105 | : "memory"); | ||
106 | |||
107 | return newval; | ||
108 | } | ||
109 | |||
110 | #endif /* !(_SPARC64_FUTEX_H) */ | ||
diff --git a/include/asm-sparc/hardirq.h b/include/asm-sparc/hardirq.h index 4f63ed8df551..156478773100 100644 --- a/include/asm-sparc/hardirq.h +++ b/include/asm-sparc/hardirq.h | |||
@@ -1,23 +1,8 @@ | |||
1 | /* hardirq.h: 32-bit Sparc hard IRQ support. | 1 | #ifndef ___ASM_SPARC_HARDIRQ_H |
2 | * | 2 | #define ___ASM_SPARC_HARDIRQ_H |
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org) | 4 | #include <asm-sparc/hardirq_64.h> |
5 | */ | 5 | #else |
6 | 6 | #include <asm-sparc/hardirq_32.h> | |
7 | #ifndef __SPARC_HARDIRQ_H | 7 | #endif |
8 | #define __SPARC_HARDIRQ_H | 8 | #endif |
9 | |||
10 | #include <linux/threads.h> | ||
11 | #include <linux/spinlock.h> | ||
12 | #include <linux/cache.h> | ||
13 | |||
14 | /* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */ | ||
15 | typedef struct { | ||
16 | unsigned int __softirq_pending; | ||
17 | } ____cacheline_aligned irq_cpustat_t; | ||
18 | |||
19 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | ||
20 | |||
21 | #define HARDIRQ_BITS 8 | ||
22 | |||
23 | #endif /* __SPARC_HARDIRQ_H */ | ||
diff --git a/include/asm-sparc/hardirq_32.h b/include/asm-sparc/hardirq_32.h new file mode 100644 index 000000000000..4f63ed8df551 --- /dev/null +++ b/include/asm-sparc/hardirq_32.h | |||
@@ -0,0 +1,23 @@ | |||
1 | /* hardirq.h: 32-bit Sparc hard IRQ support. | ||
2 | * | ||
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
4 | * Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org) | ||
5 | */ | ||
6 | |||
7 | #ifndef __SPARC_HARDIRQ_H | ||
8 | #define __SPARC_HARDIRQ_H | ||
9 | |||
10 | #include <linux/threads.h> | ||
11 | #include <linux/spinlock.h> | ||
12 | #include <linux/cache.h> | ||
13 | |||
14 | /* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */ | ||
15 | typedef struct { | ||
16 | unsigned int __softirq_pending; | ||
17 | } ____cacheline_aligned irq_cpustat_t; | ||
18 | |||
19 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | ||
20 | |||
21 | #define HARDIRQ_BITS 8 | ||
22 | |||
23 | #endif /* __SPARC_HARDIRQ_H */ | ||
diff --git a/include/asm-sparc/hardirq_64.h b/include/asm-sparc/hardirq_64.h new file mode 100644 index 000000000000..7c29fd1a87aa --- /dev/null +++ b/include/asm-sparc/hardirq_64.h | |||
@@ -0,0 +1,19 @@ | |||
1 | /* hardirq.h: 64-bit Sparc hard IRQ support. | ||
2 | * | ||
3 | * Copyright (C) 1997, 1998, 2005 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef __SPARC64_HARDIRQ_H | ||
7 | #define __SPARC64_HARDIRQ_H | ||
8 | |||
9 | #include <asm/cpudata.h> | ||
10 | |||
11 | #define __ARCH_IRQ_STAT | ||
12 | #define local_softirq_pending() \ | ||
13 | (local_cpu_data().__softirq_pending) | ||
14 | |||
15 | void ack_bad_irq(unsigned int irq); | ||
16 | |||
17 | #define HARDIRQ_BITS 8 | ||
18 | |||
19 | #endif /* !(__SPARC64_HARDIRQ_H) */ | ||
diff --git a/include/asm-sparc/head.h b/include/asm-sparc/head.h index 7c35491a8b53..14652abdea31 100644 --- a/include/asm-sparc/head.h +++ b/include/asm-sparc/head.h | |||
@@ -1,102 +1,8 @@ | |||
1 | #ifndef __SPARC_HEAD_H | 1 | #ifndef ___ASM_SPARC_HEAD_H |
2 | #define __SPARC_HEAD_H | 2 | #define ___ASM_SPARC_HEAD_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #define KERNBASE 0xf0000000 /* First address the kernel will eventually be */ | 4 | #include <asm-sparc/head_64.h> |
5 | #define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */ | ||
6 | #define SUN4C_SEGSZ (1 << 18) | ||
7 | #define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2) /* Used in boot remapping. */ | ||
8 | #define INTS_ENAB 0x01 /* entry.S uses this. */ | ||
9 | |||
10 | #define SUN4_PROM_VECTOR 0xFFE81000 /* SUN4 PROM needs to be hardwired */ | ||
11 | |||
12 | #define WRITE_PAUSE nop; nop; nop; /* Have to do this after %wim/%psr chg */ | ||
13 | #define NOP_INSN 0x01000000 /* Used to patch sparc_save_state */ | ||
14 | |||
15 | /* Here are some trap goodies */ | ||
16 | |||
17 | /* Generic trap entry. */ | ||
18 | #define TRAP_ENTRY(type, label) \ | ||
19 | rd %psr, %l0; b label; rd %wim, %l3; nop; | ||
20 | |||
21 | /* Data/text faults. Defaults to sun4c version at boot time. */ | ||
22 | #define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7; | ||
23 | #define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7; | ||
24 | #define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7; | ||
25 | #define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7; | ||
26 | |||
27 | /* This is for traps we should NEVER get. */ | ||
28 | #define BAD_TRAP(num) \ | ||
29 | rd %psr, %l0; mov num, %l7; b bad_trap_handler; rd %wim, %l3; | ||
30 | |||
31 | /* This is for traps when we want just skip the instruction which caused it */ | ||
32 | #define SKIP_TRAP(type, name) \ | ||
33 | jmpl %l2, %g0; rett %l2 + 4; nop; nop; | ||
34 | |||
35 | /* Notice that for the system calls we pull a trick. We load up a | ||
36 | * different pointer to the system call vector table in %l7, but call | ||
37 | * the same generic system call low-level entry point. The trap table | ||
38 | * entry sequences are also HyperSparc pipeline friendly ;-) | ||
39 | */ | ||
40 | |||
41 | /* Software trap for Linux system calls. */ | ||
42 | #define LINUX_SYSCALL_TRAP \ | ||
43 | sethi %hi(sys_call_table), %l7; \ | ||
44 | or %l7, %lo(sys_call_table), %l7; \ | ||
45 | b linux_sparc_syscall; \ | ||
46 | rd %psr, %l0; | ||
47 | |||
48 | #define BREAKPOINT_TRAP \ | ||
49 | b breakpoint_trap; \ | ||
50 | rd %psr,%l0; \ | ||
51 | nop; \ | ||
52 | nop; | ||
53 | |||
54 | #ifdef CONFIG_KGDB | ||
55 | #define KGDB_TRAP(num) \ | ||
56 | b kgdb_trap_low; \ | ||
57 | rd %psr,%l0; \ | ||
58 | nop; \ | ||
59 | nop; | ||
60 | #else | 5 | #else |
61 | #define KGDB_TRAP(num) \ | 6 | #include <asm-sparc/head_32.h> |
62 | BAD_TRAP(num) | 7 | #endif |
63 | #endif | 8 | #endif |
64 | |||
65 | /* The Get Condition Codes software trap for userland. */ | ||
66 | #define GETCC_TRAP \ | ||
67 | b getcc_trap_handler; mov %psr, %l0; nop; nop; | ||
68 | |||
69 | /* The Set Condition Codes software trap for userland. */ | ||
70 | #define SETCC_TRAP \ | ||
71 | b setcc_trap_handler; mov %psr, %l0; nop; nop; | ||
72 | |||
73 | /* The Get PSR software trap for userland. */ | ||
74 | #define GETPSR_TRAP \ | ||
75 | mov %psr, %i0; jmp %l2; rett %l2 + 4; nop; | ||
76 | |||
77 | /* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and | ||
78 | * gets handled with another macro. | ||
79 | */ | ||
80 | #define TRAP_ENTRY_INTERRUPT(int_level) \ | ||
81 | mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3; | ||
82 | |||
83 | /* NMI's (Non Maskable Interrupts) are special, you can't keep them | ||
84 | * from coming in, and basically if you get one, the shows over. ;( | ||
85 | * On the sun4c they are usually asynchronous memory errors, on the | ||
86 | * the sun4m they could be either due to mem errors or a software | ||
87 | * initiated interrupt from the prom/kern on an SMP box saying "I | ||
88 | * command you to do CPU tricks, read your mailbox for more info." | ||
89 | */ | ||
90 | #define NMI_TRAP \ | ||
91 | rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop; | ||
92 | |||
93 | /* Window overflows/underflows are special and we need to try to be as | ||
94 | * efficient as possible here.... | ||
95 | */ | ||
96 | #define WINDOW_SPILL \ | ||
97 | rd %psr, %l0; rd %wim, %l3; b spill_window_entry; andcc %l0, PSR_PS, %g0; | ||
98 | |||
99 | #define WINDOW_FILL \ | ||
100 | rd %psr, %l0; rd %wim, %l3; b fill_window_entry; andcc %l0, PSR_PS, %g0; | ||
101 | |||
102 | #endif /* __SPARC_HEAD_H */ | ||
diff --git a/include/asm-sparc/head_32.h b/include/asm-sparc/head_32.h new file mode 100644 index 000000000000..7c35491a8b53 --- /dev/null +++ b/include/asm-sparc/head_32.h | |||
@@ -0,0 +1,102 @@ | |||
1 | #ifndef __SPARC_HEAD_H | ||
2 | #define __SPARC_HEAD_H | ||
3 | |||
4 | #define KERNBASE 0xf0000000 /* First address the kernel will eventually be */ | ||
5 | #define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */ | ||
6 | #define SUN4C_SEGSZ (1 << 18) | ||
7 | #define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2) /* Used in boot remapping. */ | ||
8 | #define INTS_ENAB 0x01 /* entry.S uses this. */ | ||
9 | |||
10 | #define SUN4_PROM_VECTOR 0xFFE81000 /* SUN4 PROM needs to be hardwired */ | ||
11 | |||
12 | #define WRITE_PAUSE nop; nop; nop; /* Have to do this after %wim/%psr chg */ | ||
13 | #define NOP_INSN 0x01000000 /* Used to patch sparc_save_state */ | ||
14 | |||
15 | /* Here are some trap goodies */ | ||
16 | |||
17 | /* Generic trap entry. */ | ||
18 | #define TRAP_ENTRY(type, label) \ | ||
19 | rd %psr, %l0; b label; rd %wim, %l3; nop; | ||
20 | |||
21 | /* Data/text faults. Defaults to sun4c version at boot time. */ | ||
22 | #define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7; | ||
23 | #define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7; | ||
24 | #define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7; | ||
25 | #define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7; | ||
26 | |||
27 | /* This is for traps we should NEVER get. */ | ||
28 | #define BAD_TRAP(num) \ | ||
29 | rd %psr, %l0; mov num, %l7; b bad_trap_handler; rd %wim, %l3; | ||
30 | |||
31 | /* This is for traps when we want just skip the instruction which caused it */ | ||
32 | #define SKIP_TRAP(type, name) \ | ||
33 | jmpl %l2, %g0; rett %l2 + 4; nop; nop; | ||
34 | |||
35 | /* Notice that for the system calls we pull a trick. We load up a | ||
36 | * different pointer to the system call vector table in %l7, but call | ||
37 | * the same generic system call low-level entry point. The trap table | ||
38 | * entry sequences are also HyperSparc pipeline friendly ;-) | ||
39 | */ | ||
40 | |||
41 | /* Software trap for Linux system calls. */ | ||
42 | #define LINUX_SYSCALL_TRAP \ | ||
43 | sethi %hi(sys_call_table), %l7; \ | ||
44 | or %l7, %lo(sys_call_table), %l7; \ | ||
45 | b linux_sparc_syscall; \ | ||
46 | rd %psr, %l0; | ||
47 | |||
48 | #define BREAKPOINT_TRAP \ | ||
49 | b breakpoint_trap; \ | ||
50 | rd %psr,%l0; \ | ||
51 | nop; \ | ||
52 | nop; | ||
53 | |||
54 | #ifdef CONFIG_KGDB | ||
55 | #define KGDB_TRAP(num) \ | ||
56 | b kgdb_trap_low; \ | ||
57 | rd %psr,%l0; \ | ||
58 | nop; \ | ||
59 | nop; | ||
60 | #else | ||
61 | #define KGDB_TRAP(num) \ | ||
62 | BAD_TRAP(num) | ||
63 | #endif | ||
64 | |||
65 | /* The Get Condition Codes software trap for userland. */ | ||
66 | #define GETCC_TRAP \ | ||
67 | b getcc_trap_handler; mov %psr, %l0; nop; nop; | ||
68 | |||
69 | /* The Set Condition Codes software trap for userland. */ | ||
70 | #define SETCC_TRAP \ | ||
71 | b setcc_trap_handler; mov %psr, %l0; nop; nop; | ||
72 | |||
73 | /* The Get PSR software trap for userland. */ | ||
74 | #define GETPSR_TRAP \ | ||
75 | mov %psr, %i0; jmp %l2; rett %l2 + 4; nop; | ||
76 | |||
77 | /* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and | ||
78 | * gets handled with another macro. | ||
79 | */ | ||
80 | #define TRAP_ENTRY_INTERRUPT(int_level) \ | ||
81 | mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3; | ||
82 | |||
83 | /* NMI's (Non Maskable Interrupts) are special, you can't keep them | ||
84 | * from coming in, and basically if you get one, the shows over. ;( | ||
85 | * On the sun4c they are usually asynchronous memory errors, on the | ||
86 | * the sun4m they could be either due to mem errors or a software | ||
87 | * initiated interrupt from the prom/kern on an SMP box saying "I | ||
88 | * command you to do CPU tricks, read your mailbox for more info." | ||
89 | */ | ||
90 | #define NMI_TRAP \ | ||
91 | rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop; | ||
92 | |||
93 | /* Window overflows/underflows are special and we need to try to be as | ||
94 | * efficient as possible here.... | ||
95 | */ | ||
96 | #define WINDOW_SPILL \ | ||
97 | rd %psr, %l0; rd %wim, %l3; b spill_window_entry; andcc %l0, PSR_PS, %g0; | ||
98 | |||
99 | #define WINDOW_FILL \ | ||
100 | rd %psr, %l0; rd %wim, %l3; b fill_window_entry; andcc %l0, PSR_PS, %g0; | ||
101 | |||
102 | #endif /* __SPARC_HEAD_H */ | ||
diff --git a/include/asm-sparc/head_64.h b/include/asm-sparc/head_64.h new file mode 100644 index 000000000000..10e9dabc4c41 --- /dev/null +++ b/include/asm-sparc/head_64.h | |||
@@ -0,0 +1,76 @@ | |||
1 | #ifndef _SPARC64_HEAD_H | ||
2 | #define _SPARC64_HEAD_H | ||
3 | |||
4 | #include <asm/pstate.h> | ||
5 | |||
6 | /* wrpr %g0, val, %gl */ | ||
7 | #define SET_GL(val) \ | ||
8 | .word 0xa1902000 | val | ||
9 | |||
10 | /* rdpr %gl, %gN */ | ||
11 | #define GET_GL_GLOBAL(N) \ | ||
12 | .word 0x81540000 | (N << 25) | ||
13 | |||
14 | #define KERNBASE 0x400000 | ||
15 | |||
16 | #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) | ||
17 | |||
18 | #define __CHEETAH_ID 0x003e0014 | ||
19 | #define __JALAPENO_ID 0x003e0016 | ||
20 | #define __SERRANO_ID 0x003e0022 | ||
21 | |||
22 | #define CHEETAH_MANUF 0x003e | ||
23 | #define CHEETAH_IMPL 0x0014 /* Ultra-III */ | ||
24 | #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ | ||
25 | #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ | ||
26 | #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ | ||
27 | #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ | ||
28 | #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ | ||
29 | |||
30 | #define BRANCH_IF_SUN4V(tmp1,label) \ | ||
31 | sethi %hi(is_sun4v), %tmp1; \ | ||
32 | lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ | ||
33 | brnz,pn %tmp1, label; \ | ||
34 | nop | ||
35 | |||
36 | #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ | ||
37 | rdpr %ver, %tmp1; \ | ||
38 | sethi %hi(__CHEETAH_ID), %tmp2; \ | ||
39 | srlx %tmp1, 32, %tmp1; \ | ||
40 | or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ | ||
41 | cmp %tmp1, %tmp2; \ | ||
42 | be,pn %icc, label; \ | ||
43 | nop; | ||
44 | |||
45 | #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ | ||
46 | rdpr %ver, %tmp1; \ | ||
47 | sethi %hi(__JALAPENO_ID), %tmp2; \ | ||
48 | srlx %tmp1, 32, %tmp1; \ | ||
49 | or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ | ||
50 | cmp %tmp1, %tmp2; \ | ||
51 | be,pn %icc, label; \ | ||
52 | nop; | ||
53 | |||
54 | #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ | ||
55 | rdpr %ver, %tmp1; \ | ||
56 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
57 | cmp %tmp2, CHEETAH_MANUF; \ | ||
58 | bne,pt %xcc, 99f; \ | ||
59 | sllx %tmp1, 16, %tmp1; \ | ||
60 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
61 | cmp %tmp2, CHEETAH_PLUS_IMPL; \ | ||
62 | bgeu,pt %xcc, label; \ | ||
63 | 99: nop; | ||
64 | |||
65 | #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ | ||
66 | rdpr %ver, %tmp1; \ | ||
67 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
68 | cmp %tmp2, CHEETAH_MANUF; \ | ||
69 | bne,pt %xcc, 99f; \ | ||
70 | sllx %tmp1, 16, %tmp1; \ | ||
71 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
72 | cmp %tmp2, CHEETAH_IMPL; \ | ||
73 | bgeu,pt %xcc, label; \ | ||
74 | 99: nop; | ||
75 | |||
76 | #endif /* !(_SPARC64_HEAD_H) */ | ||
diff --git a/include/asm-sparc/ide.h b/include/asm-sparc/ide.h index afd1736ed480..a3c7f5ff270a 100644 --- a/include/asm-sparc/ide.h +++ b/include/asm-sparc/ide.h | |||
@@ -1,95 +1,8 @@ | |||
1 | /* ide.h: SPARC PCI specific IDE glue. | 1 | #ifndef ___ASM_SPARC_IDE_H |
2 | * | 2 | #define ___ASM_SPARC_IDE_H |
3 | * Copyright (C) 1997 David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | 4 | #include <asm-sparc/ide_64.h> |
5 | * Adaptation from sparc64 version to sparc by Pete Zaitcev. | 5 | #else |
6 | */ | 6 | #include <asm-sparc/ide_32.h> |
7 | 7 | #endif | |
8 | #ifndef _SPARC_IDE_H | 8 | #endif |
9 | #define _SPARC_IDE_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/pgtable.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/psr.h> | ||
16 | |||
17 | #undef MAX_HWIFS | ||
18 | #define MAX_HWIFS 2 | ||
19 | |||
20 | #define __ide_insl(data_reg, buffer, wcount) \ | ||
21 | __ide_insw(data_reg, buffer, (wcount)<<1) | ||
22 | #define __ide_outsl(data_reg, buffer, wcount) \ | ||
23 | __ide_outsw(data_reg, buffer, (wcount)<<1) | ||
24 | |||
25 | /* On sparc, I/O ports and MMIO registers are accessed identically. */ | ||
26 | #define __ide_mm_insw __ide_insw | ||
27 | #define __ide_mm_insl __ide_insl | ||
28 | #define __ide_mm_outsw __ide_outsw | ||
29 | #define __ide_mm_outsl __ide_outsl | ||
30 | |||
31 | static inline void __ide_insw(unsigned long port, | ||
32 | void *dst, | ||
33 | unsigned long count) | ||
34 | { | ||
35 | volatile unsigned short *data_port; | ||
36 | /* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */ | ||
37 | u16 *ps = dst; | ||
38 | u32 *pi; | ||
39 | |||
40 | data_port = (volatile unsigned short *)port; | ||
41 | |||
42 | if(((unsigned long)ps) & 0x2) { | ||
43 | *ps++ = *data_port; | ||
44 | count--; | ||
45 | } | ||
46 | pi = (u32 *)ps; | ||
47 | while(count >= 2) { | ||
48 | u32 w; | ||
49 | |||
50 | w = (*data_port) << 16; | ||
51 | w |= (*data_port); | ||
52 | *pi++ = w; | ||
53 | count -= 2; | ||
54 | } | ||
55 | ps = (u16 *)pi; | ||
56 | if(count) | ||
57 | *ps++ = *data_port; | ||
58 | |||
59 | /* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */ | ||
60 | } | ||
61 | |||
62 | static inline void __ide_outsw(unsigned long port, | ||
63 | const void *src, | ||
64 | unsigned long count) | ||
65 | { | ||
66 | volatile unsigned short *data_port; | ||
67 | /* unsigned long end = (unsigned long)src + (count << 1); */ | ||
68 | const u16 *ps = src; | ||
69 | const u32 *pi; | ||
70 | |||
71 | data_port = (volatile unsigned short *)port; | ||
72 | |||
73 | if(((unsigned long)src) & 0x2) { | ||
74 | *data_port = *ps++; | ||
75 | count--; | ||
76 | } | ||
77 | pi = (const u32 *)ps; | ||
78 | while(count >= 2) { | ||
79 | u32 w; | ||
80 | |||
81 | w = *pi++; | ||
82 | *data_port = (w >> 16); | ||
83 | *data_port = w; | ||
84 | count -= 2; | ||
85 | } | ||
86 | ps = (const u16 *)pi; | ||
87 | if(count) | ||
88 | *data_port = *ps; | ||
89 | |||
90 | /* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */ | ||
91 | } | ||
92 | |||
93 | #endif /* __KERNEL__ */ | ||
94 | |||
95 | #endif /* _SPARC_IDE_H */ | ||
diff --git a/include/asm-sparc/ide_32.h b/include/asm-sparc/ide_32.h new file mode 100644 index 000000000000..afd1736ed480 --- /dev/null +++ b/include/asm-sparc/ide_32.h | |||
@@ -0,0 +1,95 @@ | |||
1 | /* ide.h: SPARC PCI specific IDE glue. | ||
2 | * | ||
3 | * Copyright (C) 1997 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | ||
5 | * Adaptation from sparc64 version to sparc by Pete Zaitcev. | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC_IDE_H | ||
9 | #define _SPARC_IDE_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/pgtable.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/psr.h> | ||
16 | |||
17 | #undef MAX_HWIFS | ||
18 | #define MAX_HWIFS 2 | ||
19 | |||
20 | #define __ide_insl(data_reg, buffer, wcount) \ | ||
21 | __ide_insw(data_reg, buffer, (wcount)<<1) | ||
22 | #define __ide_outsl(data_reg, buffer, wcount) \ | ||
23 | __ide_outsw(data_reg, buffer, (wcount)<<1) | ||
24 | |||
25 | /* On sparc, I/O ports and MMIO registers are accessed identically. */ | ||
26 | #define __ide_mm_insw __ide_insw | ||
27 | #define __ide_mm_insl __ide_insl | ||
28 | #define __ide_mm_outsw __ide_outsw | ||
29 | #define __ide_mm_outsl __ide_outsl | ||
30 | |||
31 | static inline void __ide_insw(unsigned long port, | ||
32 | void *dst, | ||
33 | unsigned long count) | ||
34 | { | ||
35 | volatile unsigned short *data_port; | ||
36 | /* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */ | ||
37 | u16 *ps = dst; | ||
38 | u32 *pi; | ||
39 | |||
40 | data_port = (volatile unsigned short *)port; | ||
41 | |||
42 | if(((unsigned long)ps) & 0x2) { | ||
43 | *ps++ = *data_port; | ||
44 | count--; | ||
45 | } | ||
46 | pi = (u32 *)ps; | ||
47 | while(count >= 2) { | ||
48 | u32 w; | ||
49 | |||
50 | w = (*data_port) << 16; | ||
51 | w |= (*data_port); | ||
52 | *pi++ = w; | ||
53 | count -= 2; | ||
54 | } | ||
55 | ps = (u16 *)pi; | ||
56 | if(count) | ||
57 | *ps++ = *data_port; | ||
58 | |||
59 | /* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */ | ||
60 | } | ||
61 | |||
62 | static inline void __ide_outsw(unsigned long port, | ||
63 | const void *src, | ||
64 | unsigned long count) | ||
65 | { | ||
66 | volatile unsigned short *data_port; | ||
67 | /* unsigned long end = (unsigned long)src + (count << 1); */ | ||
68 | const u16 *ps = src; | ||
69 | const u32 *pi; | ||
70 | |||
71 | data_port = (volatile unsigned short *)port; | ||
72 | |||
73 | if(((unsigned long)src) & 0x2) { | ||
74 | *data_port = *ps++; | ||
75 | count--; | ||
76 | } | ||
77 | pi = (const u32 *)ps; | ||
78 | while(count >= 2) { | ||
79 | u32 w; | ||
80 | |||
81 | w = *pi++; | ||
82 | *data_port = (w >> 16); | ||
83 | *data_port = w; | ||
84 | count -= 2; | ||
85 | } | ||
86 | ps = (const u16 *)pi; | ||
87 | if(count) | ||
88 | *data_port = *ps; | ||
89 | |||
90 | /* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */ | ||
91 | } | ||
92 | |||
93 | #endif /* __KERNEL__ */ | ||
94 | |||
95 | #endif /* _SPARC_IDE_H */ | ||
diff --git a/include/asm-sparc/ide_64.h b/include/asm-sparc/ide_64.h new file mode 100644 index 000000000000..1282676da1cd --- /dev/null +++ b/include/asm-sparc/ide_64.h | |||
@@ -0,0 +1,118 @@ | |||
1 | /* | ||
2 | * ide.h: Ultra/PCI specific IDE glue. | ||
3 | * | ||
4 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC64_IDE_H | ||
9 | #define _SPARC64_IDE_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/pgalloc.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/spitfire.h> | ||
16 | #include <asm/cacheflush.h> | ||
17 | #include <asm/page.h> | ||
18 | |||
19 | #ifndef MAX_HWIFS | ||
20 | # ifdef CONFIG_BLK_DEV_IDEPCI | ||
21 | #define MAX_HWIFS 10 | ||
22 | # else | ||
23 | #define MAX_HWIFS 2 | ||
24 | # endif | ||
25 | #endif | ||
26 | |||
27 | #define __ide_insl(data_reg, buffer, wcount) \ | ||
28 | __ide_insw(data_reg, buffer, (wcount)<<1) | ||
29 | #define __ide_outsl(data_reg, buffer, wcount) \ | ||
30 | __ide_outsw(data_reg, buffer, (wcount)<<1) | ||
31 | |||
32 | /* On sparc64, I/O ports and MMIO registers are accessed identically. */ | ||
33 | #define __ide_mm_insw __ide_insw | ||
34 | #define __ide_mm_insl __ide_insl | ||
35 | #define __ide_mm_outsw __ide_outsw | ||
36 | #define __ide_mm_outsl __ide_outsl | ||
37 | |||
38 | static inline unsigned int inw_be(void __iomem *addr) | ||
39 | { | ||
40 | unsigned int ret; | ||
41 | |||
42 | __asm__ __volatile__("lduha [%1] %2, %0" | ||
43 | : "=r" (ret) | ||
44 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
45 | |||
46 | return ret; | ||
47 | } | ||
48 | |||
49 | static inline void __ide_insw(void __iomem *port, void *dst, u32 count) | ||
50 | { | ||
51 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
52 | unsigned long end = (unsigned long)dst + (count << 1); | ||
53 | #endif | ||
54 | u16 *ps = dst; | ||
55 | u32 *pi; | ||
56 | |||
57 | if(((u64)ps) & 0x2) { | ||
58 | *ps++ = inw_be(port); | ||
59 | count--; | ||
60 | } | ||
61 | pi = (u32 *)ps; | ||
62 | while(count >= 2) { | ||
63 | u32 w; | ||
64 | |||
65 | w = inw_be(port) << 16; | ||
66 | w |= inw_be(port); | ||
67 | *pi++ = w; | ||
68 | count -= 2; | ||
69 | } | ||
70 | ps = (u16 *)pi; | ||
71 | if(count) | ||
72 | *ps++ = inw_be(port); | ||
73 | |||
74 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
75 | __flush_dcache_range((unsigned long)dst, end); | ||
76 | #endif | ||
77 | } | ||
78 | |||
79 | static inline void outw_be(unsigned short w, void __iomem *addr) | ||
80 | { | ||
81 | __asm__ __volatile__("stha %0, [%1] %2" | ||
82 | : /* no outputs */ | ||
83 | : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
84 | } | ||
85 | |||
86 | static inline void __ide_outsw(void __iomem *port, void *src, u32 count) | ||
87 | { | ||
88 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
89 | unsigned long end = (unsigned long)src + (count << 1); | ||
90 | #endif | ||
91 | const u16 *ps = src; | ||
92 | const u32 *pi; | ||
93 | |||
94 | if(((u64)src) & 0x2) { | ||
95 | outw_be(*ps++, port); | ||
96 | count--; | ||
97 | } | ||
98 | pi = (const u32 *)ps; | ||
99 | while(count >= 2) { | ||
100 | u32 w; | ||
101 | |||
102 | w = *pi++; | ||
103 | outw_be((w >> 16), port); | ||
104 | outw_be(w, port); | ||
105 | count -= 2; | ||
106 | } | ||
107 | ps = (const u16 *)pi; | ||
108 | if(count) | ||
109 | outw_be(*ps, port); | ||
110 | |||
111 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
112 | __flush_dcache_range((unsigned long)src, end); | ||
113 | #endif | ||
114 | } | ||
115 | |||
116 | #endif /* __KERNEL__ */ | ||
117 | |||
118 | #endif /* _SPARC64_IDE_H */ | ||
diff --git a/include/asm-sparc/io.h b/include/asm-sparc/io.h index 3a3e7bdb06b3..fc9024d3dfc3 100644 --- a/include/asm-sparc/io.h +++ b/include/asm-sparc/io.h | |||
@@ -1,325 +1,8 @@ | |||
1 | #ifndef __SPARC_IO_H | 1 | #ifndef ___ASM_SPARC_IO_H |
2 | #define __SPARC_IO_H | 2 | #define ___ASM_SPARC_IO_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/kernel.h> | 4 | #include <asm-sparc/io_64.h> |
5 | #include <linux/types.h> | 5 | #else |
6 | #include <linux/ioport.h> /* struct resource */ | 6 | #include <asm-sparc/io_32.h> |
7 | 7 | #endif | |
8 | #include <asm/page.h> /* IO address mapping routines need this */ | ||
9 | #include <asm/system.h> | ||
10 | |||
11 | #define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT) | ||
12 | |||
13 | static inline u32 flip_dword (u32 l) | ||
14 | { | ||
15 | return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff); | ||
16 | } | ||
17 | |||
18 | static inline u16 flip_word (u16 w) | ||
19 | { | ||
20 | return ((w&0xff) << 8) | ((w>>8)&0xff); | ||
21 | } | ||
22 | |||
23 | #define mmiowb() | ||
24 | |||
25 | /* | ||
26 | * Memory mapped I/O to PCI | ||
27 | */ | ||
28 | |||
29 | static inline u8 __raw_readb(const volatile void __iomem *addr) | ||
30 | { | ||
31 | return *(__force volatile u8 *)addr; | ||
32 | } | ||
33 | |||
34 | static inline u16 __raw_readw(const volatile void __iomem *addr) | ||
35 | { | ||
36 | return *(__force volatile u16 *)addr; | ||
37 | } | ||
38 | |||
39 | static inline u32 __raw_readl(const volatile void __iomem *addr) | ||
40 | { | ||
41 | return *(__force volatile u32 *)addr; | ||
42 | } | ||
43 | |||
44 | static inline void __raw_writeb(u8 b, volatile void __iomem *addr) | ||
45 | { | ||
46 | *(__force volatile u8 *)addr = b; | ||
47 | } | ||
48 | |||
49 | static inline void __raw_writew(u16 w, volatile void __iomem *addr) | ||
50 | { | ||
51 | *(__force volatile u16 *)addr = w; | ||
52 | } | ||
53 | |||
54 | static inline void __raw_writel(u32 l, volatile void __iomem *addr) | ||
55 | { | ||
56 | *(__force volatile u32 *)addr = l; | ||
57 | } | ||
58 | |||
59 | static inline u8 __readb(const volatile void __iomem *addr) | ||
60 | { | ||
61 | return *(__force volatile u8 *)addr; | ||
62 | } | ||
63 | |||
64 | static inline u16 __readw(const volatile void __iomem *addr) | ||
65 | { | ||
66 | return flip_word(*(__force volatile u16 *)addr); | ||
67 | } | ||
68 | |||
69 | static inline u32 __readl(const volatile void __iomem *addr) | ||
70 | { | ||
71 | return flip_dword(*(__force volatile u32 *)addr); | ||
72 | } | ||
73 | |||
74 | static inline void __writeb(u8 b, volatile void __iomem *addr) | ||
75 | { | ||
76 | *(__force volatile u8 *)addr = b; | ||
77 | } | ||
78 | |||
79 | static inline void __writew(u16 w, volatile void __iomem *addr) | ||
80 | { | ||
81 | *(__force volatile u16 *)addr = flip_word(w); | ||
82 | } | ||
83 | |||
84 | static inline void __writel(u32 l, volatile void __iomem *addr) | ||
85 | { | ||
86 | *(__force volatile u32 *)addr = flip_dword(l); | ||
87 | } | ||
88 | |||
89 | #define readb(__addr) __readb(__addr) | ||
90 | #define readw(__addr) __readw(__addr) | ||
91 | #define readl(__addr) __readl(__addr) | ||
92 | #define readb_relaxed(__addr) readb(__addr) | ||
93 | #define readw_relaxed(__addr) readw(__addr) | ||
94 | #define readl_relaxed(__addr) readl(__addr) | ||
95 | |||
96 | #define writeb(__b, __addr) __writeb((__b),(__addr)) | ||
97 | #define writew(__w, __addr) __writew((__w),(__addr)) | ||
98 | #define writel(__l, __addr) __writel((__l),(__addr)) | ||
99 | |||
100 | /* | ||
101 | * I/O space operations | ||
102 | * | ||
103 | * Arrangement on a Sun is somewhat complicated. | ||
104 | * | ||
105 | * First of all, we want to use standard Linux drivers | ||
106 | * for keyboard, PC serial, etc. These drivers think | ||
107 | * they access I/O space and use inb/outb. | ||
108 | * On the other hand, EBus bridge accepts PCI *memory* | ||
109 | * cycles and converts them into ISA *I/O* cycles. | ||
110 | * Ergo, we want inb & outb to generate PCI memory cycles. | ||
111 | * | ||
112 | * If we want to issue PCI *I/O* cycles, we do this | ||
113 | * with a low 64K fixed window in PCIC. This window gets | ||
114 | * mapped somewhere into virtual kernel space and we | ||
115 | * can use inb/outb again. | ||
116 | */ | ||
117 | #define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr)) | ||
118 | #define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr)) | ||
119 | #define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr)) | ||
120 | #define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr)) | ||
121 | |||
122 | #define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) | ||
123 | #define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) | ||
124 | #define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr)) | ||
125 | #define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr)) | ||
126 | |||
127 | #define inb_p(__addr) inb(__addr) | ||
128 | #define outb_p(__b, __addr) outb(__b, __addr) | ||
129 | #define inw_p(__addr) inw(__addr) | ||
130 | #define outw_p(__w, __addr) outw(__w, __addr) | ||
131 | #define inl_p(__addr) inl(__addr) | ||
132 | #define outl_p(__l, __addr) outl(__l, __addr) | ||
133 | |||
134 | void outsb(unsigned long addr, const void *src, unsigned long cnt); | ||
135 | void outsw(unsigned long addr, const void *src, unsigned long cnt); | ||
136 | void outsl(unsigned long addr, const void *src, unsigned long cnt); | ||
137 | void insb(unsigned long addr, void *dst, unsigned long count); | ||
138 | void insw(unsigned long addr, void *dst, unsigned long count); | ||
139 | void insl(unsigned long addr, void *dst, unsigned long count); | ||
140 | |||
141 | #define IO_SPACE_LIMIT 0xffffffff | ||
142 | |||
143 | /* | ||
144 | * SBus accessors. | ||
145 | * | ||
146 | * SBus has only one, memory mapped, I/O space. | ||
147 | * We do not need to flip bytes for SBus of course. | ||
148 | */ | ||
149 | static inline u8 _sbus_readb(const volatile void __iomem *addr) | ||
150 | { | ||
151 | return *(__force volatile u8 *)addr; | ||
152 | } | ||
153 | |||
154 | static inline u16 _sbus_readw(const volatile void __iomem *addr) | ||
155 | { | ||
156 | return *(__force volatile u16 *)addr; | ||
157 | } | ||
158 | |||
159 | static inline u32 _sbus_readl(const volatile void __iomem *addr) | ||
160 | { | ||
161 | return *(__force volatile u32 *)addr; | ||
162 | } | ||
163 | |||
164 | static inline void _sbus_writeb(u8 b, volatile void __iomem *addr) | ||
165 | { | ||
166 | *(__force volatile u8 *)addr = b; | ||
167 | } | ||
168 | |||
169 | static inline void _sbus_writew(u16 w, volatile void __iomem *addr) | ||
170 | { | ||
171 | *(__force volatile u16 *)addr = w; | ||
172 | } | ||
173 | |||
174 | static inline void _sbus_writel(u32 l, volatile void __iomem *addr) | ||
175 | { | ||
176 | *(__force volatile u32 *)addr = l; | ||
177 | } | ||
178 | |||
179 | /* | ||
180 | * The only reason for #define's is to hide casts to unsigned long. | ||
181 | */ | ||
182 | #define sbus_readb(__addr) _sbus_readb(__addr) | ||
183 | #define sbus_readw(__addr) _sbus_readw(__addr) | ||
184 | #define sbus_readl(__addr) _sbus_readl(__addr) | ||
185 | #define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr) | ||
186 | #define sbus_writew(__w, __addr) _sbus_writew(__w, __addr) | ||
187 | #define sbus_writel(__l, __addr) _sbus_writel(__l, __addr) | ||
188 | |||
189 | static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n) | ||
190 | { | ||
191 | while(n--) { | ||
192 | sbus_writeb(c, __dst); | ||
193 | __dst++; | ||
194 | } | ||
195 | } | ||
196 | |||
197 | static inline void | ||
198 | _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
199 | { | ||
200 | volatile void __iomem *d = dst; | ||
201 | |||
202 | while (n--) { | ||
203 | writeb(c, d); | ||
204 | d++; | ||
205 | } | ||
206 | } | ||
207 | |||
208 | #define memset_io(d,c,sz) _memset_io(d,c,sz) | ||
209 | |||
210 | static inline void | ||
211 | _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) | ||
212 | { | ||
213 | char *d = dst; | ||
214 | |||
215 | while (n--) { | ||
216 | char tmp = readb(src); | ||
217 | *d++ = tmp; | ||
218 | src++; | ||
219 | } | ||
220 | } | ||
221 | |||
222 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) | ||
223 | |||
224 | static inline void | ||
225 | _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) | ||
226 | { | ||
227 | const char *s = src; | ||
228 | volatile void __iomem *d = dst; | ||
229 | |||
230 | while (n--) { | ||
231 | char tmp = *s++; | ||
232 | writeb(tmp, d); | ||
233 | d++; | ||
234 | } | ||
235 | } | ||
236 | |||
237 | #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) | ||
238 | |||
239 | #ifdef __KERNEL__ | ||
240 | |||
241 | /* | ||
242 | * Bus number may be embedded in the higher bits of the physical address. | ||
243 | * This is why we have no bus number argument to ioremap(). | ||
244 | */ | ||
245 | extern void __iomem *ioremap(unsigned long offset, unsigned long size); | ||
246 | #define ioremap_nocache(X,Y) ioremap((X),(Y)) | ||
247 | extern void iounmap(volatile void __iomem *addr); | ||
248 | |||
249 | #define ioread8(X) readb(X) | ||
250 | #define ioread16(X) readw(X) | ||
251 | #define ioread32(X) readl(X) | ||
252 | #define iowrite8(val,X) writeb(val,X) | ||
253 | #define iowrite16(val,X) writew(val,X) | ||
254 | #define iowrite32(val,X) writel(val,X) | ||
255 | |||
256 | static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) | ||
257 | { | ||
258 | insb((unsigned long __force)port, buf, count); | ||
259 | } | ||
260 | static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count) | ||
261 | { | ||
262 | insw((unsigned long __force)port, buf, count); | ||
263 | } | ||
264 | |||
265 | static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count) | ||
266 | { | ||
267 | insl((unsigned long __force)port, buf, count); | ||
268 | } | ||
269 | |||
270 | static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count) | ||
271 | { | ||
272 | outsb((unsigned long __force)port, buf, count); | ||
273 | } | ||
274 | |||
275 | static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count) | ||
276 | { | ||
277 | outsw((unsigned long __force)port, buf, count); | ||
278 | } | ||
279 | |||
280 | static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count) | ||
281 | { | ||
282 | outsl((unsigned long __force)port, buf, count); | ||
283 | } | ||
284 | |||
285 | /* Create a virtual mapping cookie for an IO port range */ | ||
286 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
287 | extern void ioport_unmap(void __iomem *); | ||
288 | |||
289 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | ||
290 | struct pci_dev; | ||
291 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | ||
292 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *); | ||
293 | |||
294 | /* | ||
295 | * Bus number may be in res->flags... somewhere. | ||
296 | */ | ||
297 | extern void __iomem *sbus_ioremap(struct resource *res, unsigned long offset, | ||
298 | unsigned long size, char *name); | ||
299 | extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size); | ||
300 | |||
301 | |||
302 | /* | ||
303 | * At the moment, we do not use CMOS_READ anywhere outside of rtc.c, | ||
304 | * so rtc_port is static in it. This should not change unless a new | ||
305 | * hardware pops up. | ||
306 | */ | ||
307 | #define RTC_PORT(x) (rtc_port + (x)) | ||
308 | #define RTC_ALWAYS_BCD 0 | ||
309 | |||
310 | #endif | 8 | #endif |
311 | |||
312 | #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1 | ||
313 | |||
314 | /* | ||
315 | * Convert a physical pointer to a virtual kernel pointer for /dev/mem | ||
316 | * access | ||
317 | */ | ||
318 | #define xlate_dev_mem_ptr(p) __va(p) | ||
319 | |||
320 | /* | ||
321 | * Convert a virtual cached pointer to an uncached pointer | ||
322 | */ | ||
323 | #define xlate_dev_kmem_ptr(p) p | ||
324 | |||
325 | #endif /* !(__SPARC_IO_H) */ | ||
diff --git a/include/asm-sparc/io_32.h b/include/asm-sparc/io_32.h new file mode 100644 index 000000000000..c43af722ae8c --- /dev/null +++ b/include/asm-sparc/io_32.h | |||
@@ -0,0 +1,325 @@ | |||
1 | #ifndef __SPARC_IO_H | ||
2 | #define __SPARC_IO_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/types.h> | ||
6 | #include <linux/ioport.h> /* struct resource */ | ||
7 | |||
8 | #include <asm/page.h> /* IO address mapping routines need this */ | ||
9 | #include <asm/system.h> | ||
10 | |||
11 | #define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT) | ||
12 | |||
13 | static inline u32 flip_dword (u32 l) | ||
14 | { | ||
15 | return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff); | ||
16 | } | ||
17 | |||
18 | static inline u16 flip_word (u16 w) | ||
19 | { | ||
20 | return ((w&0xff) << 8) | ((w>>8)&0xff); | ||
21 | } | ||
22 | |||
23 | #define mmiowb() | ||
24 | |||
25 | /* | ||
26 | * Memory mapped I/O to PCI | ||
27 | */ | ||
28 | |||
29 | static inline u8 __raw_readb(const volatile void __iomem *addr) | ||
30 | { | ||
31 | return *(__force volatile u8 *)addr; | ||
32 | } | ||
33 | |||
34 | static inline u16 __raw_readw(const volatile void __iomem *addr) | ||
35 | { | ||
36 | return *(__force volatile u16 *)addr; | ||
37 | } | ||
38 | |||
39 | static inline u32 __raw_readl(const volatile void __iomem *addr) | ||
40 | { | ||
41 | return *(__force volatile u32 *)addr; | ||
42 | } | ||
43 | |||
44 | static inline void __raw_writeb(u8 b, volatile void __iomem *addr) | ||
45 | { | ||
46 | *(__force volatile u8 *)addr = b; | ||
47 | } | ||
48 | |||
49 | static inline void __raw_writew(u16 w, volatile void __iomem *addr) | ||
50 | { | ||
51 | *(__force volatile u16 *)addr = w; | ||
52 | } | ||
53 | |||
54 | static inline void __raw_writel(u32 l, volatile void __iomem *addr) | ||
55 | { | ||
56 | *(__force volatile u32 *)addr = l; | ||
57 | } | ||
58 | |||
59 | static inline u8 __readb(const volatile void __iomem *addr) | ||
60 | { | ||
61 | return *(__force volatile u8 *)addr; | ||
62 | } | ||
63 | |||
64 | static inline u16 __readw(const volatile void __iomem *addr) | ||
65 | { | ||
66 | return flip_word(*(__force volatile u16 *)addr); | ||
67 | } | ||
68 | |||
69 | static inline u32 __readl(const volatile void __iomem *addr) | ||
70 | { | ||
71 | return flip_dword(*(__force volatile u32 *)addr); | ||
72 | } | ||
73 | |||
74 | static inline void __writeb(u8 b, volatile void __iomem *addr) | ||
75 | { | ||
76 | *(__force volatile u8 *)addr = b; | ||
77 | } | ||
78 | |||
79 | static inline void __writew(u16 w, volatile void __iomem *addr) | ||
80 | { | ||
81 | *(__force volatile u16 *)addr = flip_word(w); | ||
82 | } | ||
83 | |||
84 | static inline void __writel(u32 l, volatile void __iomem *addr) | ||
85 | { | ||
86 | *(__force volatile u32 *)addr = flip_dword(l); | ||
87 | } | ||
88 | |||
89 | #define readb(__addr) __readb(__addr) | ||
90 | #define readw(__addr) __readw(__addr) | ||
91 | #define readl(__addr) __readl(__addr) | ||
92 | #define readb_relaxed(__addr) readb(__addr) | ||
93 | #define readw_relaxed(__addr) readw(__addr) | ||
94 | #define readl_relaxed(__addr) readl(__addr) | ||
95 | |||
96 | #define writeb(__b, __addr) __writeb((__b),(__addr)) | ||
97 | #define writew(__w, __addr) __writew((__w),(__addr)) | ||
98 | #define writel(__l, __addr) __writel((__l),(__addr)) | ||
99 | |||
100 | /* | ||
101 | * I/O space operations | ||
102 | * | ||
103 | * Arrangement on a Sun is somewhat complicated. | ||
104 | * | ||
105 | * First of all, we want to use standard Linux drivers | ||
106 | * for keyboard, PC serial, etc. These drivers think | ||
107 | * they access I/O space and use inb/outb. | ||
108 | * On the other hand, EBus bridge accepts PCI *memory* | ||
109 | * cycles and converts them into ISA *I/O* cycles. | ||
110 | * Ergo, we want inb & outb to generate PCI memory cycles. | ||
111 | * | ||
112 | * If we want to issue PCI *I/O* cycles, we do this | ||
113 | * with a low 64K fixed window in PCIC. This window gets | ||
114 | * mapped somewhere into virtual kernel space and we | ||
115 | * can use inb/outb again. | ||
116 | */ | ||
117 | #define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr)) | ||
118 | #define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr)) | ||
119 | #define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr)) | ||
120 | #define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr)) | ||
121 | |||
122 | #define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) | ||
123 | #define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) | ||
124 | #define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr)) | ||
125 | #define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr)) | ||
126 | |||
127 | #define inb_p(__addr) inb(__addr) | ||
128 | #define outb_p(__b, __addr) outb(__b, __addr) | ||
129 | #define inw_p(__addr) inw(__addr) | ||
130 | #define outw_p(__w, __addr) outw(__w, __addr) | ||
131 | #define inl_p(__addr) inl(__addr) | ||
132 | #define outl_p(__l, __addr) outl(__l, __addr) | ||
133 | |||
134 | void outsb(unsigned long addr, const void *src, unsigned long cnt); | ||
135 | void outsw(unsigned long addr, const void *src, unsigned long cnt); | ||
136 | void outsl(unsigned long addr, const void *src, unsigned long cnt); | ||
137 | void insb(unsigned long addr, void *dst, unsigned long count); | ||
138 | void insw(unsigned long addr, void *dst, unsigned long count); | ||
139 | void insl(unsigned long addr, void *dst, unsigned long count); | ||
140 | |||
141 | #define IO_SPACE_LIMIT 0xffffffff | ||
142 | |||
143 | /* | ||
144 | * SBus accessors. | ||
145 | * | ||
146 | * SBus has only one, memory mapped, I/O space. | ||
147 | * We do not need to flip bytes for SBus of course. | ||
148 | */ | ||
149 | static inline u8 _sbus_readb(const volatile void __iomem *addr) | ||
150 | { | ||
151 | return *(__force volatile u8 *)addr; | ||
152 | } | ||
153 | |||
154 | static inline u16 _sbus_readw(const volatile void __iomem *addr) | ||
155 | { | ||
156 | return *(__force volatile u16 *)addr; | ||
157 | } | ||
158 | |||
159 | static inline u32 _sbus_readl(const volatile void __iomem *addr) | ||
160 | { | ||
161 | return *(__force volatile u32 *)addr; | ||
162 | } | ||
163 | |||
164 | static inline void _sbus_writeb(u8 b, volatile void __iomem *addr) | ||
165 | { | ||
166 | *(__force volatile u8 *)addr = b; | ||
167 | } | ||
168 | |||
169 | static inline void _sbus_writew(u16 w, volatile void __iomem *addr) | ||
170 | { | ||
171 | *(__force volatile u16 *)addr = w; | ||
172 | } | ||
173 | |||
174 | static inline void _sbus_writel(u32 l, volatile void __iomem *addr) | ||
175 | { | ||
176 | *(__force volatile u32 *)addr = l; | ||
177 | } | ||
178 | |||
179 | /* | ||
180 | * The only reason for #define's is to hide casts to unsigned long. | ||
181 | */ | ||
182 | #define sbus_readb(__addr) _sbus_readb(__addr) | ||
183 | #define sbus_readw(__addr) _sbus_readw(__addr) | ||
184 | #define sbus_readl(__addr) _sbus_readl(__addr) | ||
185 | #define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr) | ||
186 | #define sbus_writew(__w, __addr) _sbus_writew(__w, __addr) | ||
187 | #define sbus_writel(__l, __addr) _sbus_writel(__l, __addr) | ||
188 | |||
189 | static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n) | ||
190 | { | ||
191 | while(n--) { | ||
192 | sbus_writeb(c, __dst); | ||
193 | __dst++; | ||
194 | } | ||
195 | } | ||
196 | |||
197 | static inline void | ||
198 | _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
199 | { | ||
200 | volatile void __iomem *d = dst; | ||
201 | |||
202 | while (n--) { | ||
203 | writeb(c, d); | ||
204 | d++; | ||
205 | } | ||
206 | } | ||
207 | |||
208 | #define memset_io(d,c,sz) _memset_io(d,c,sz) | ||
209 | |||
210 | static inline void | ||
211 | _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) | ||
212 | { | ||
213 | char *d = dst; | ||
214 | |||
215 | while (n--) { | ||
216 | char tmp = readb(src); | ||
217 | *d++ = tmp; | ||
218 | src++; | ||
219 | } | ||
220 | } | ||
221 | |||
222 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) | ||
223 | |||
224 | static inline void | ||
225 | _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) | ||
226 | { | ||
227 | const char *s = src; | ||
228 | volatile void __iomem *d = dst; | ||
229 | |||
230 | while (n--) { | ||
231 | char tmp = *s++; | ||
232 | writeb(tmp, d); | ||
233 | d++; | ||
234 | } | ||
235 | } | ||
236 | |||
237 | #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) | ||
238 | |||
239 | #ifdef __KERNEL__ | ||
240 | |||
241 | /* | ||
242 | * Bus number may be embedded in the higher bits of the physical address. | ||
243 | * This is why we have no bus number argument to ioremap(). | ||
244 | */ | ||
245 | extern void __iomem *ioremap(unsigned long offset, unsigned long size); | ||
246 | #define ioremap_nocache(X,Y) ioremap((X),(Y)) | ||
247 | extern void iounmap(volatile void __iomem *addr); | ||
248 | |||
249 | #define ioread8(X) readb(X) | ||
250 | #define ioread16(X) readw(X) | ||
251 | #define ioread32(X) readl(X) | ||
252 | #define iowrite8(val,X) writeb(val,X) | ||
253 | #define iowrite16(val,X) writew(val,X) | ||
254 | #define iowrite32(val,X) writel(val,X) | ||
255 | |||
256 | static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) | ||
257 | { | ||
258 | insb((unsigned long __force)port, buf, count); | ||
259 | } | ||
260 | static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count) | ||
261 | { | ||
262 | insw((unsigned long __force)port, buf, count); | ||
263 | } | ||
264 | |||
265 | static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count) | ||
266 | { | ||
267 | insl((unsigned long __force)port, buf, count); | ||
268 | } | ||
269 | |||
270 | static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count) | ||
271 | { | ||
272 | outsb((unsigned long __force)port, buf, count); | ||
273 | } | ||
274 | |||
275 | static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count) | ||
276 | { | ||
277 | outsw((unsigned long __force)port, buf, count); | ||
278 | } | ||
279 | |||
280 | static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count) | ||
281 | { | ||
282 | outsl((unsigned long __force)port, buf, count); | ||
283 | } | ||
284 | |||
285 | /* Create a virtual mapping cookie for an IO port range */ | ||
286 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
287 | extern void ioport_unmap(void __iomem *); | ||
288 | |||
289 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | ||
290 | struct pci_dev; | ||
291 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | ||
292 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *); | ||
293 | |||
294 | /* | ||
295 | * Bus number may be in res->flags... somewhere. | ||
296 | */ | ||
297 | extern void __iomem *sbus_ioremap(struct resource *res, unsigned long offset, | ||
298 | unsigned long size, char *name); | ||
299 | extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size); | ||
300 | |||
301 | |||
302 | /* | ||
303 | * At the moment, we do not use CMOS_READ anywhere outside of rtc.c, | ||
304 | * so rtc_port is static in it. This should not change unless a new | ||
305 | * hardware pops up. | ||
306 | */ | ||
307 | #define RTC_PORT(x) (rtc_port + (x)) | ||
308 | #define RTC_ALWAYS_BCD 0 | ||
309 | |||
310 | #endif | ||
311 | |||
312 | #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1 | ||
313 | |||
314 | /* | ||
315 | * Convert a physical pointer to a virtual kernel pointer for /dev/mem | ||
316 | * access | ||
317 | */ | ||
318 | #define xlate_dev_mem_ptr(p) __va(p) | ||
319 | |||
320 | /* | ||
321 | * Convert a virtual cached pointer to an uncached pointer | ||
322 | */ | ||
323 | #define xlate_dev_kmem_ptr(p) p | ||
324 | |||
325 | #endif /* !(__SPARC_IO_H) */ | ||
diff --git a/include/asm-sparc/io_64.h b/include/asm-sparc/io_64.h new file mode 100644 index 000000000000..f4907414b39d --- /dev/null +++ b/include/asm-sparc/io_64.h | |||
@@ -0,0 +1,511 @@ | |||
1 | #ifndef __SPARC64_IO_H | ||
2 | #define __SPARC64_IO_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/compiler.h> | ||
6 | #include <linux/types.h> | ||
7 | |||
8 | #include <asm/page.h> /* IO address mapping routines need this */ | ||
9 | #include <asm/system.h> | ||
10 | #include <asm/asi.h> | ||
11 | |||
12 | /* PC crapola... */ | ||
13 | #define __SLOW_DOWN_IO do { } while (0) | ||
14 | #define SLOW_DOWN_IO do { } while (0) | ||
15 | |||
16 | /* BIO layer definitions. */ | ||
17 | extern unsigned long kern_base, kern_size; | ||
18 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) | ||
19 | #define BIO_VMERGE_BOUNDARY 8192 | ||
20 | |||
21 | static inline u8 _inb(unsigned long addr) | ||
22 | { | ||
23 | u8 ret; | ||
24 | |||
25 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */" | ||
26 | : "=r" (ret) | ||
27 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
28 | : "memory"); | ||
29 | |||
30 | return ret; | ||
31 | } | ||
32 | |||
33 | static inline u16 _inw(unsigned long addr) | ||
34 | { | ||
35 | u16 ret; | ||
36 | |||
37 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */" | ||
38 | : "=r" (ret) | ||
39 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
40 | : "memory"); | ||
41 | |||
42 | return ret; | ||
43 | } | ||
44 | |||
45 | static inline u32 _inl(unsigned long addr) | ||
46 | { | ||
47 | u32 ret; | ||
48 | |||
49 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */" | ||
50 | : "=r" (ret) | ||
51 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
52 | : "memory"); | ||
53 | |||
54 | return ret; | ||
55 | } | ||
56 | |||
57 | static inline void _outb(u8 b, unsigned long addr) | ||
58 | { | ||
59 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */" | ||
60 | : /* no outputs */ | ||
61 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
62 | : "memory"); | ||
63 | } | ||
64 | |||
65 | static inline void _outw(u16 w, unsigned long addr) | ||
66 | { | ||
67 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */" | ||
68 | : /* no outputs */ | ||
69 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
70 | : "memory"); | ||
71 | } | ||
72 | |||
73 | static inline void _outl(u32 l, unsigned long addr) | ||
74 | { | ||
75 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */" | ||
76 | : /* no outputs */ | ||
77 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
78 | : "memory"); | ||
79 | } | ||
80 | |||
81 | #define inb(__addr) (_inb((unsigned long)(__addr))) | ||
82 | #define inw(__addr) (_inw((unsigned long)(__addr))) | ||
83 | #define inl(__addr) (_inl((unsigned long)(__addr))) | ||
84 | #define outb(__b, __addr) (_outb((u8)(__b), (unsigned long)(__addr))) | ||
85 | #define outw(__w, __addr) (_outw((u16)(__w), (unsigned long)(__addr))) | ||
86 | #define outl(__l, __addr) (_outl((u32)(__l), (unsigned long)(__addr))) | ||
87 | |||
88 | #define inb_p(__addr) inb(__addr) | ||
89 | #define outb_p(__b, __addr) outb(__b, __addr) | ||
90 | #define inw_p(__addr) inw(__addr) | ||
91 | #define outw_p(__w, __addr) outw(__w, __addr) | ||
92 | #define inl_p(__addr) inl(__addr) | ||
93 | #define outl_p(__l, __addr) outl(__l, __addr) | ||
94 | |||
95 | extern void outsb(unsigned long, const void *, unsigned long); | ||
96 | extern void outsw(unsigned long, const void *, unsigned long); | ||
97 | extern void outsl(unsigned long, const void *, unsigned long); | ||
98 | extern void insb(unsigned long, void *, unsigned long); | ||
99 | extern void insw(unsigned long, void *, unsigned long); | ||
100 | extern void insl(unsigned long, void *, unsigned long); | ||
101 | |||
102 | static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) | ||
103 | { | ||
104 | insb((unsigned long __force)port, buf, count); | ||
105 | } | ||
106 | static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count) | ||
107 | { | ||
108 | insw((unsigned long __force)port, buf, count); | ||
109 | } | ||
110 | |||
111 | static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count) | ||
112 | { | ||
113 | insl((unsigned long __force)port, buf, count); | ||
114 | } | ||
115 | |||
116 | static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count) | ||
117 | { | ||
118 | outsb((unsigned long __force)port, buf, count); | ||
119 | } | ||
120 | |||
121 | static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count) | ||
122 | { | ||
123 | outsw((unsigned long __force)port, buf, count); | ||
124 | } | ||
125 | |||
126 | static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count) | ||
127 | { | ||
128 | outsl((unsigned long __force)port, buf, count); | ||
129 | } | ||
130 | |||
131 | /* Memory functions, same as I/O accesses on Ultra. */ | ||
132 | static inline u8 _readb(const volatile void __iomem *addr) | ||
133 | { u8 ret; | ||
134 | |||
135 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */" | ||
136 | : "=r" (ret) | ||
137 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
138 | : "memory"); | ||
139 | return ret; | ||
140 | } | ||
141 | |||
142 | static inline u16 _readw(const volatile void __iomem *addr) | ||
143 | { u16 ret; | ||
144 | |||
145 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */" | ||
146 | : "=r" (ret) | ||
147 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
148 | : "memory"); | ||
149 | |||
150 | return ret; | ||
151 | } | ||
152 | |||
153 | static inline u32 _readl(const volatile void __iomem *addr) | ||
154 | { u32 ret; | ||
155 | |||
156 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */" | ||
157 | : "=r" (ret) | ||
158 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
159 | : "memory"); | ||
160 | |||
161 | return ret; | ||
162 | } | ||
163 | |||
164 | static inline u64 _readq(const volatile void __iomem *addr) | ||
165 | { u64 ret; | ||
166 | |||
167 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */" | ||
168 | : "=r" (ret) | ||
169 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
170 | : "memory"); | ||
171 | |||
172 | return ret; | ||
173 | } | ||
174 | |||
175 | static inline void _writeb(u8 b, volatile void __iomem *addr) | ||
176 | { | ||
177 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */" | ||
178 | : /* no outputs */ | ||
179 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
180 | : "memory"); | ||
181 | } | ||
182 | |||
183 | static inline void _writew(u16 w, volatile void __iomem *addr) | ||
184 | { | ||
185 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */" | ||
186 | : /* no outputs */ | ||
187 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
188 | : "memory"); | ||
189 | } | ||
190 | |||
191 | static inline void _writel(u32 l, volatile void __iomem *addr) | ||
192 | { | ||
193 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */" | ||
194 | : /* no outputs */ | ||
195 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
196 | : "memory"); | ||
197 | } | ||
198 | |||
199 | static inline void _writeq(u64 q, volatile void __iomem *addr) | ||
200 | { | ||
201 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */" | ||
202 | : /* no outputs */ | ||
203 | : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
204 | : "memory"); | ||
205 | } | ||
206 | |||
207 | #define readb(__addr) _readb(__addr) | ||
208 | #define readw(__addr) _readw(__addr) | ||
209 | #define readl(__addr) _readl(__addr) | ||
210 | #define readq(__addr) _readq(__addr) | ||
211 | #define readb_relaxed(__addr) _readb(__addr) | ||
212 | #define readw_relaxed(__addr) _readw(__addr) | ||
213 | #define readl_relaxed(__addr) _readl(__addr) | ||
214 | #define readq_relaxed(__addr) _readq(__addr) | ||
215 | #define writeb(__b, __addr) _writeb(__b, __addr) | ||
216 | #define writew(__w, __addr) _writew(__w, __addr) | ||
217 | #define writel(__l, __addr) _writel(__l, __addr) | ||
218 | #define writeq(__q, __addr) _writeq(__q, __addr) | ||
219 | |||
220 | /* Now versions without byte-swapping. */ | ||
221 | static inline u8 _raw_readb(unsigned long addr) | ||
222 | { | ||
223 | u8 ret; | ||
224 | |||
225 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_raw_readb */" | ||
226 | : "=r" (ret) | ||
227 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
228 | |||
229 | return ret; | ||
230 | } | ||
231 | |||
232 | static inline u16 _raw_readw(unsigned long addr) | ||
233 | { | ||
234 | u16 ret; | ||
235 | |||
236 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_raw_readw */" | ||
237 | : "=r" (ret) | ||
238 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
239 | |||
240 | return ret; | ||
241 | } | ||
242 | |||
243 | static inline u32 _raw_readl(unsigned long addr) | ||
244 | { | ||
245 | u32 ret; | ||
246 | |||
247 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_raw_readl */" | ||
248 | : "=r" (ret) | ||
249 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
250 | |||
251 | return ret; | ||
252 | } | ||
253 | |||
254 | static inline u64 _raw_readq(unsigned long addr) | ||
255 | { | ||
256 | u64 ret; | ||
257 | |||
258 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_raw_readq */" | ||
259 | : "=r" (ret) | ||
260 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
261 | |||
262 | return ret; | ||
263 | } | ||
264 | |||
265 | static inline void _raw_writeb(u8 b, unsigned long addr) | ||
266 | { | ||
267 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_raw_writeb */" | ||
268 | : /* no outputs */ | ||
269 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
270 | } | ||
271 | |||
272 | static inline void _raw_writew(u16 w, unsigned long addr) | ||
273 | { | ||
274 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_raw_writew */" | ||
275 | : /* no outputs */ | ||
276 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
277 | } | ||
278 | |||
279 | static inline void _raw_writel(u32 l, unsigned long addr) | ||
280 | { | ||
281 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_raw_writel */" | ||
282 | : /* no outputs */ | ||
283 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
284 | } | ||
285 | |||
286 | static inline void _raw_writeq(u64 q, unsigned long addr) | ||
287 | { | ||
288 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_raw_writeq */" | ||
289 | : /* no outputs */ | ||
290 | : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
291 | } | ||
292 | |||
293 | #define __raw_readb(__addr) (_raw_readb((unsigned long)(__addr))) | ||
294 | #define __raw_readw(__addr) (_raw_readw((unsigned long)(__addr))) | ||
295 | #define __raw_readl(__addr) (_raw_readl((unsigned long)(__addr))) | ||
296 | #define __raw_readq(__addr) (_raw_readq((unsigned long)(__addr))) | ||
297 | #define __raw_writeb(__b, __addr) (_raw_writeb((u8)(__b), (unsigned long)(__addr))) | ||
298 | #define __raw_writew(__w, __addr) (_raw_writew((u16)(__w), (unsigned long)(__addr))) | ||
299 | #define __raw_writel(__l, __addr) (_raw_writel((u32)(__l), (unsigned long)(__addr))) | ||
300 | #define __raw_writeq(__q, __addr) (_raw_writeq((u64)(__q), (unsigned long)(__addr))) | ||
301 | |||
302 | /* Valid I/O Space regions are anywhere, because each PCI bus supported | ||
303 | * can live in an arbitrary area of the physical address range. | ||
304 | */ | ||
305 | #define IO_SPACE_LIMIT 0xffffffffffffffffUL | ||
306 | |||
307 | /* Now, SBUS variants, only difference from PCI is that we do | ||
308 | * not use little-endian ASIs. | ||
309 | */ | ||
310 | static inline u8 _sbus_readb(const volatile void __iomem *addr) | ||
311 | { | ||
312 | u8 ret; | ||
313 | |||
314 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */" | ||
315 | : "=r" (ret) | ||
316 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
317 | : "memory"); | ||
318 | |||
319 | return ret; | ||
320 | } | ||
321 | |||
322 | static inline u16 _sbus_readw(const volatile void __iomem *addr) | ||
323 | { | ||
324 | u16 ret; | ||
325 | |||
326 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */" | ||
327 | : "=r" (ret) | ||
328 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
329 | : "memory"); | ||
330 | |||
331 | return ret; | ||
332 | } | ||
333 | |||
334 | static inline u32 _sbus_readl(const volatile void __iomem *addr) | ||
335 | { | ||
336 | u32 ret; | ||
337 | |||
338 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */" | ||
339 | : "=r" (ret) | ||
340 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
341 | : "memory"); | ||
342 | |||
343 | return ret; | ||
344 | } | ||
345 | |||
346 | static inline u64 _sbus_readq(const volatile void __iomem *addr) | ||
347 | { | ||
348 | u64 ret; | ||
349 | |||
350 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */" | ||
351 | : "=r" (ret) | ||
352 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
353 | : "memory"); | ||
354 | |||
355 | return ret; | ||
356 | } | ||
357 | |||
358 | static inline void _sbus_writeb(u8 b, volatile void __iomem *addr) | ||
359 | { | ||
360 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */" | ||
361 | : /* no outputs */ | ||
362 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
363 | : "memory"); | ||
364 | } | ||
365 | |||
366 | static inline void _sbus_writew(u16 w, volatile void __iomem *addr) | ||
367 | { | ||
368 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */" | ||
369 | : /* no outputs */ | ||
370 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
371 | : "memory"); | ||
372 | } | ||
373 | |||
374 | static inline void _sbus_writel(u32 l, volatile void __iomem *addr) | ||
375 | { | ||
376 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */" | ||
377 | : /* no outputs */ | ||
378 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
379 | : "memory"); | ||
380 | } | ||
381 | |||
382 | static inline void _sbus_writeq(u64 l, volatile void __iomem *addr) | ||
383 | { | ||
384 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */" | ||
385 | : /* no outputs */ | ||
386 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
387 | : "memory"); | ||
388 | } | ||
389 | |||
390 | #define sbus_readb(__addr) _sbus_readb(__addr) | ||
391 | #define sbus_readw(__addr) _sbus_readw(__addr) | ||
392 | #define sbus_readl(__addr) _sbus_readl(__addr) | ||
393 | #define sbus_readq(__addr) _sbus_readq(__addr) | ||
394 | #define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr) | ||
395 | #define sbus_writew(__w, __addr) _sbus_writew(__w, __addr) | ||
396 | #define sbus_writel(__l, __addr) _sbus_writel(__l, __addr) | ||
397 | #define sbus_writeq(__l, __addr) _sbus_writeq(__l, __addr) | ||
398 | |||
399 | static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
400 | { | ||
401 | while(n--) { | ||
402 | sbus_writeb(c, dst); | ||
403 | dst++; | ||
404 | } | ||
405 | } | ||
406 | |||
407 | #define sbus_memset_io(d,c,sz) _sbus_memset_io(d,c,sz) | ||
408 | |||
409 | static inline void | ||
410 | _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
411 | { | ||
412 | volatile void __iomem *d = dst; | ||
413 | |||
414 | while (n--) { | ||
415 | writeb(c, d); | ||
416 | d++; | ||
417 | } | ||
418 | } | ||
419 | |||
420 | #define memset_io(d,c,sz) _memset_io(d,c,sz) | ||
421 | |||
422 | static inline void | ||
423 | _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) | ||
424 | { | ||
425 | char *d = dst; | ||
426 | |||
427 | while (n--) { | ||
428 | char tmp = readb(src); | ||
429 | *d++ = tmp; | ||
430 | src++; | ||
431 | } | ||
432 | } | ||
433 | |||
434 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) | ||
435 | |||
436 | static inline void | ||
437 | _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) | ||
438 | { | ||
439 | const char *s = src; | ||
440 | volatile void __iomem *d = dst; | ||
441 | |||
442 | while (n--) { | ||
443 | char tmp = *s++; | ||
444 | writeb(tmp, d); | ||
445 | d++; | ||
446 | } | ||
447 | } | ||
448 | |||
449 | #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) | ||
450 | |||
451 | #define mmiowb() | ||
452 | |||
453 | #ifdef __KERNEL__ | ||
454 | |||
455 | /* On sparc64 we have the whole physical IO address space accessible | ||
456 | * using physically addressed loads and stores, so this does nothing. | ||
457 | */ | ||
458 | static inline void __iomem *ioremap(unsigned long offset, unsigned long size) | ||
459 | { | ||
460 | return (void __iomem *)offset; | ||
461 | } | ||
462 | |||
463 | #define ioremap_nocache(X,Y) ioremap((X),(Y)) | ||
464 | |||
465 | static inline void iounmap(volatile void __iomem *addr) | ||
466 | { | ||
467 | } | ||
468 | |||
469 | #define ioread8(X) readb(X) | ||
470 | #define ioread16(X) readw(X) | ||
471 | #define ioread32(X) readl(X) | ||
472 | #define iowrite8(val,X) writeb(val,X) | ||
473 | #define iowrite16(val,X) writew(val,X) | ||
474 | #define iowrite32(val,X) writel(val,X) | ||
475 | |||
476 | /* Create a virtual mapping cookie for an IO port range */ | ||
477 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
478 | extern void ioport_unmap(void __iomem *); | ||
479 | |||
480 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | ||
481 | struct pci_dev; | ||
482 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | ||
483 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *); | ||
484 | |||
485 | /* Similarly for SBUS. */ | ||
486 | #define sbus_ioremap(__res, __offset, __size, __name) \ | ||
487 | ({ unsigned long __ret; \ | ||
488 | __ret = (__res)->start + (((__res)->flags & 0x1ffUL) << 32UL); \ | ||
489 | __ret += (unsigned long) (__offset); \ | ||
490 | if (! request_region((__ret), (__size), (__name))) \ | ||
491 | __ret = 0UL; \ | ||
492 | (void __iomem *) __ret; \ | ||
493 | }) | ||
494 | |||
495 | #define sbus_iounmap(__addr, __size) \ | ||
496 | release_region((unsigned long)(__addr), (__size)) | ||
497 | |||
498 | /* | ||
499 | * Convert a physical pointer to a virtual kernel pointer for /dev/mem | ||
500 | * access | ||
501 | */ | ||
502 | #define xlate_dev_mem_ptr(p) __va(p) | ||
503 | |||
504 | /* | ||
505 | * Convert a virtual cached pointer to an uncached pointer | ||
506 | */ | ||
507 | #define xlate_dev_kmem_ptr(p) p | ||
508 | |||
509 | #endif | ||
510 | |||
511 | #endif /* !(__SPARC64_IO_H) */ | ||
diff --git a/include/asm-sparc/iommu.h b/include/asm-sparc/iommu.h index 70c589c05a10..91b072b0d7a0 100644 --- a/include/asm-sparc/iommu.h +++ b/include/asm-sparc/iommu.h | |||
@@ -1,121 +1,8 @@ | |||
1 | /* iommu.h: Definitions for the sun4m IOMMU. | 1 | #ifndef ___ASM_SPARC_IOMMU_H |
2 | * | 2 | #define ___ASM_SPARC_IOMMU_H |
3 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/iommu_64.h> |
5 | #ifndef _SPARC_IOMMU_H | 5 | #else |
6 | #define _SPARC_IOMMU_H | 6 | #include <asm-sparc/iommu_32.h> |
7 | 7 | #endif | |
8 | #include <asm/page.h> | 8 | #endif |
9 | #include <asm/bitext.h> | ||
10 | |||
11 | /* The iommu handles all virtual to physical address translations | ||
12 | * that occur between the SBUS and physical memory. Access by | ||
13 | * the cpu to IO registers and similar go over the mbus so are | ||
14 | * translated by the on chip SRMMU. The iommu and the srmmu do | ||
15 | * not need to have the same translations at all, in fact most | ||
16 | * of the time the translations they handle are a disjunct set. | ||
17 | * Basically the iommu handles all dvma sbus activity. | ||
18 | */ | ||
19 | |||
20 | /* The IOMMU registers occupy three pages in IO space. */ | ||
21 | struct iommu_regs { | ||
22 | /* First page */ | ||
23 | volatile unsigned long control; /* IOMMU control */ | ||
24 | volatile unsigned long base; /* Physical base of iopte page table */ | ||
25 | volatile unsigned long _unused1[3]; | ||
26 | volatile unsigned long tlbflush; /* write only */ | ||
27 | volatile unsigned long pageflush; /* write only */ | ||
28 | volatile unsigned long _unused2[1017]; | ||
29 | /* Second page */ | ||
30 | volatile unsigned long afsr; /* Async-fault status register */ | ||
31 | volatile unsigned long afar; /* Async-fault physical address */ | ||
32 | volatile unsigned long _unused3[2]; | ||
33 | volatile unsigned long sbuscfg0; /* SBUS configuration registers, per-slot */ | ||
34 | volatile unsigned long sbuscfg1; | ||
35 | volatile unsigned long sbuscfg2; | ||
36 | volatile unsigned long sbuscfg3; | ||
37 | volatile unsigned long mfsr; /* Memory-fault status register */ | ||
38 | volatile unsigned long mfar; /* Memory-fault physical address */ | ||
39 | volatile unsigned long _unused4[1014]; | ||
40 | /* Third page */ | ||
41 | volatile unsigned long mid; /* IOMMU module-id */ | ||
42 | }; | ||
43 | |||
44 | #define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */ | ||
45 | #define IOMMU_CTRL_VERS 0x0f000000 /* Version */ | ||
46 | #define IOMMU_CTRL_RNGE 0x0000001c /* Mapping RANGE */ | ||
47 | #define IOMMU_RNGE_16MB 0x00000000 /* 0xff000000 -> 0xffffffff */ | ||
48 | #define IOMMU_RNGE_32MB 0x00000004 /* 0xfe000000 -> 0xffffffff */ | ||
49 | #define IOMMU_RNGE_64MB 0x00000008 /* 0xfc000000 -> 0xffffffff */ | ||
50 | #define IOMMU_RNGE_128MB 0x0000000c /* 0xf8000000 -> 0xffffffff */ | ||
51 | #define IOMMU_RNGE_256MB 0x00000010 /* 0xf0000000 -> 0xffffffff */ | ||
52 | #define IOMMU_RNGE_512MB 0x00000014 /* 0xe0000000 -> 0xffffffff */ | ||
53 | #define IOMMU_RNGE_1GB 0x00000018 /* 0xc0000000 -> 0xffffffff */ | ||
54 | #define IOMMU_RNGE_2GB 0x0000001c /* 0x80000000 -> 0xffffffff */ | ||
55 | #define IOMMU_CTRL_ENAB 0x00000001 /* IOMMU Enable */ | ||
56 | |||
57 | #define IOMMU_AFSR_ERR 0x80000000 /* LE, TO, or BE asserted */ | ||
58 | #define IOMMU_AFSR_LE 0x40000000 /* SBUS reports error after transaction */ | ||
59 | #define IOMMU_AFSR_TO 0x20000000 /* Write access took more than 12.8 us. */ | ||
60 | #define IOMMU_AFSR_BE 0x10000000 /* Write access received error acknowledge */ | ||
61 | #define IOMMU_AFSR_SIZE 0x0e000000 /* Size of transaction causing error */ | ||
62 | #define IOMMU_AFSR_S 0x01000000 /* Sparc was in supervisor mode */ | ||
63 | #define IOMMU_AFSR_RESV 0x00f00000 /* Reserver, forced to 0x8 by hardware */ | ||
64 | #define IOMMU_AFSR_ME 0x00080000 /* Multiple errors occurred */ | ||
65 | #define IOMMU_AFSR_RD 0x00040000 /* A read operation was in progress */ | ||
66 | #define IOMMU_AFSR_FAV 0x00020000 /* IOMMU afar has valid contents */ | ||
67 | |||
68 | #define IOMMU_SBCFG_SAB30 0x00010000 /* Phys-address bit 30 when bypass enabled */ | ||
69 | #define IOMMU_SBCFG_BA16 0x00000004 /* Slave supports 16 byte bursts */ | ||
70 | #define IOMMU_SBCFG_BA8 0x00000002 /* Slave supports 8 byte bursts */ | ||
71 | #define IOMMU_SBCFG_BYPASS 0x00000001 /* Bypass IOMMU, treat all addresses | ||
72 | produced by this device as pure | ||
73 | physical. */ | ||
74 | |||
75 | #define IOMMU_MFSR_ERR 0x80000000 /* One or more of PERR1 or PERR0 */ | ||
76 | #define IOMMU_MFSR_S 0x01000000 /* Sparc was in supervisor mode */ | ||
77 | #define IOMMU_MFSR_CPU 0x00800000 /* CPU transaction caused parity error */ | ||
78 | #define IOMMU_MFSR_ME 0x00080000 /* Multiple parity errors occurred */ | ||
79 | #define IOMMU_MFSR_PERR 0x00006000 /* high bit indicates parity error occurred | ||
80 | on the even word of the access, low bit | ||
81 | indicated odd word caused the parity error */ | ||
82 | #define IOMMU_MFSR_BM 0x00001000 /* Error occurred while in boot mode */ | ||
83 | #define IOMMU_MFSR_C 0x00000800 /* Address causing error was marked cacheable */ | ||
84 | #define IOMMU_MFSR_RTYP 0x000000f0 /* Memory request transaction type */ | ||
85 | |||
86 | #define IOMMU_MID_SBAE 0x001f0000 /* SBus arbitration enable */ | ||
87 | #define IOMMU_MID_SE 0x00100000 /* Enables SCSI/ETHERNET arbitration */ | ||
88 | #define IOMMU_MID_SB3 0x00080000 /* Enable SBUS device 3 arbitration */ | ||
89 | #define IOMMU_MID_SB2 0x00040000 /* Enable SBUS device 2 arbitration */ | ||
90 | #define IOMMU_MID_SB1 0x00020000 /* Enable SBUS device 1 arbitration */ | ||
91 | #define IOMMU_MID_SB0 0x00010000 /* Enable SBUS device 0 arbitration */ | ||
92 | #define IOMMU_MID_MID 0x0000000f /* Module-id, hardcoded to 0x8 */ | ||
93 | |||
94 | /* The format of an iopte in the page tables */ | ||
95 | #define IOPTE_PAGE 0x07ffff00 /* Physical page number (PA[30:12]) */ | ||
96 | #define IOPTE_CACHE 0x00000080 /* Cached (in vme IOCACHE or Viking/MXCC) */ | ||
97 | #define IOPTE_WRITE 0x00000004 /* Writeable */ | ||
98 | #define IOPTE_VALID 0x00000002 /* IOPTE is valid */ | ||
99 | #define IOPTE_WAZ 0x00000001 /* Write as zeros */ | ||
100 | |||
101 | struct iommu_struct { | ||
102 | struct iommu_regs *regs; | ||
103 | iopte_t *page_table; | ||
104 | /* For convenience */ | ||
105 | unsigned long start; /* First managed virtual address */ | ||
106 | unsigned long end; /* Last managed virtual address */ | ||
107 | |||
108 | struct bit_map usemap; | ||
109 | }; | ||
110 | |||
111 | static inline void iommu_invalidate(struct iommu_regs *regs) | ||
112 | { | ||
113 | regs->tlbflush = 0; | ||
114 | } | ||
115 | |||
116 | static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba) | ||
117 | { | ||
118 | regs->pageflush = (ba & PAGE_MASK); | ||
119 | } | ||
120 | |||
121 | #endif /* !(_SPARC_IOMMU_H) */ | ||
diff --git a/include/asm-sparc/iommu_32.h b/include/asm-sparc/iommu_32.h new file mode 100644 index 000000000000..70c589c05a10 --- /dev/null +++ b/include/asm-sparc/iommu_32.h | |||
@@ -0,0 +1,121 @@ | |||
1 | /* iommu.h: Definitions for the sun4m IOMMU. | ||
2 | * | ||
3 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | #ifndef _SPARC_IOMMU_H | ||
6 | #define _SPARC_IOMMU_H | ||
7 | |||
8 | #include <asm/page.h> | ||
9 | #include <asm/bitext.h> | ||
10 | |||
11 | /* The iommu handles all virtual to physical address translations | ||
12 | * that occur between the SBUS and physical memory. Access by | ||
13 | * the cpu to IO registers and similar go over the mbus so are | ||
14 | * translated by the on chip SRMMU. The iommu and the srmmu do | ||
15 | * not need to have the same translations at all, in fact most | ||
16 | * of the time the translations they handle are a disjunct set. | ||
17 | * Basically the iommu handles all dvma sbus activity. | ||
18 | */ | ||
19 | |||
20 | /* The IOMMU registers occupy three pages in IO space. */ | ||
21 | struct iommu_regs { | ||
22 | /* First page */ | ||
23 | volatile unsigned long control; /* IOMMU control */ | ||
24 | volatile unsigned long base; /* Physical base of iopte page table */ | ||
25 | volatile unsigned long _unused1[3]; | ||
26 | volatile unsigned long tlbflush; /* write only */ | ||
27 | volatile unsigned long pageflush; /* write only */ | ||
28 | volatile unsigned long _unused2[1017]; | ||
29 | /* Second page */ | ||
30 | volatile unsigned long afsr; /* Async-fault status register */ | ||
31 | volatile unsigned long afar; /* Async-fault physical address */ | ||
32 | volatile unsigned long _unused3[2]; | ||
33 | volatile unsigned long sbuscfg0; /* SBUS configuration registers, per-slot */ | ||
34 | volatile unsigned long sbuscfg1; | ||
35 | volatile unsigned long sbuscfg2; | ||
36 | volatile unsigned long sbuscfg3; | ||
37 | volatile unsigned long mfsr; /* Memory-fault status register */ | ||
38 | volatile unsigned long mfar; /* Memory-fault physical address */ | ||
39 | volatile unsigned long _unused4[1014]; | ||
40 | /* Third page */ | ||
41 | volatile unsigned long mid; /* IOMMU module-id */ | ||
42 | }; | ||
43 | |||
44 | #define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */ | ||
45 | #define IOMMU_CTRL_VERS 0x0f000000 /* Version */ | ||
46 | #define IOMMU_CTRL_RNGE 0x0000001c /* Mapping RANGE */ | ||
47 | #define IOMMU_RNGE_16MB 0x00000000 /* 0xff000000 -> 0xffffffff */ | ||
48 | #define IOMMU_RNGE_32MB 0x00000004 /* 0xfe000000 -> 0xffffffff */ | ||
49 | #define IOMMU_RNGE_64MB 0x00000008 /* 0xfc000000 -> 0xffffffff */ | ||
50 | #define IOMMU_RNGE_128MB 0x0000000c /* 0xf8000000 -> 0xffffffff */ | ||
51 | #define IOMMU_RNGE_256MB 0x00000010 /* 0xf0000000 -> 0xffffffff */ | ||
52 | #define IOMMU_RNGE_512MB 0x00000014 /* 0xe0000000 -> 0xffffffff */ | ||
53 | #define IOMMU_RNGE_1GB 0x00000018 /* 0xc0000000 -> 0xffffffff */ | ||
54 | #define IOMMU_RNGE_2GB 0x0000001c /* 0x80000000 -> 0xffffffff */ | ||
55 | #define IOMMU_CTRL_ENAB 0x00000001 /* IOMMU Enable */ | ||
56 | |||
57 | #define IOMMU_AFSR_ERR 0x80000000 /* LE, TO, or BE asserted */ | ||
58 | #define IOMMU_AFSR_LE 0x40000000 /* SBUS reports error after transaction */ | ||
59 | #define IOMMU_AFSR_TO 0x20000000 /* Write access took more than 12.8 us. */ | ||
60 | #define IOMMU_AFSR_BE 0x10000000 /* Write access received error acknowledge */ | ||
61 | #define IOMMU_AFSR_SIZE 0x0e000000 /* Size of transaction causing error */ | ||
62 | #define IOMMU_AFSR_S 0x01000000 /* Sparc was in supervisor mode */ | ||
63 | #define IOMMU_AFSR_RESV 0x00f00000 /* Reserver, forced to 0x8 by hardware */ | ||
64 | #define IOMMU_AFSR_ME 0x00080000 /* Multiple errors occurred */ | ||
65 | #define IOMMU_AFSR_RD 0x00040000 /* A read operation was in progress */ | ||
66 | #define IOMMU_AFSR_FAV 0x00020000 /* IOMMU afar has valid contents */ | ||
67 | |||
68 | #define IOMMU_SBCFG_SAB30 0x00010000 /* Phys-address bit 30 when bypass enabled */ | ||
69 | #define IOMMU_SBCFG_BA16 0x00000004 /* Slave supports 16 byte bursts */ | ||
70 | #define IOMMU_SBCFG_BA8 0x00000002 /* Slave supports 8 byte bursts */ | ||
71 | #define IOMMU_SBCFG_BYPASS 0x00000001 /* Bypass IOMMU, treat all addresses | ||
72 | produced by this device as pure | ||
73 | physical. */ | ||
74 | |||
75 | #define IOMMU_MFSR_ERR 0x80000000 /* One or more of PERR1 or PERR0 */ | ||
76 | #define IOMMU_MFSR_S 0x01000000 /* Sparc was in supervisor mode */ | ||
77 | #define IOMMU_MFSR_CPU 0x00800000 /* CPU transaction caused parity error */ | ||
78 | #define IOMMU_MFSR_ME 0x00080000 /* Multiple parity errors occurred */ | ||
79 | #define IOMMU_MFSR_PERR 0x00006000 /* high bit indicates parity error occurred | ||
80 | on the even word of the access, low bit | ||
81 | indicated odd word caused the parity error */ | ||
82 | #define IOMMU_MFSR_BM 0x00001000 /* Error occurred while in boot mode */ | ||
83 | #define IOMMU_MFSR_C 0x00000800 /* Address causing error was marked cacheable */ | ||
84 | #define IOMMU_MFSR_RTYP 0x000000f0 /* Memory request transaction type */ | ||
85 | |||
86 | #define IOMMU_MID_SBAE 0x001f0000 /* SBus arbitration enable */ | ||
87 | #define IOMMU_MID_SE 0x00100000 /* Enables SCSI/ETHERNET arbitration */ | ||
88 | #define IOMMU_MID_SB3 0x00080000 /* Enable SBUS device 3 arbitration */ | ||
89 | #define IOMMU_MID_SB2 0x00040000 /* Enable SBUS device 2 arbitration */ | ||
90 | #define IOMMU_MID_SB1 0x00020000 /* Enable SBUS device 1 arbitration */ | ||
91 | #define IOMMU_MID_SB0 0x00010000 /* Enable SBUS device 0 arbitration */ | ||
92 | #define IOMMU_MID_MID 0x0000000f /* Module-id, hardcoded to 0x8 */ | ||
93 | |||
94 | /* The format of an iopte in the page tables */ | ||
95 | #define IOPTE_PAGE 0x07ffff00 /* Physical page number (PA[30:12]) */ | ||
96 | #define IOPTE_CACHE 0x00000080 /* Cached (in vme IOCACHE or Viking/MXCC) */ | ||
97 | #define IOPTE_WRITE 0x00000004 /* Writeable */ | ||
98 | #define IOPTE_VALID 0x00000002 /* IOPTE is valid */ | ||
99 | #define IOPTE_WAZ 0x00000001 /* Write as zeros */ | ||
100 | |||
101 | struct iommu_struct { | ||
102 | struct iommu_regs *regs; | ||
103 | iopte_t *page_table; | ||
104 | /* For convenience */ | ||
105 | unsigned long start; /* First managed virtual address */ | ||
106 | unsigned long end; /* Last managed virtual address */ | ||
107 | |||
108 | struct bit_map usemap; | ||
109 | }; | ||
110 | |||
111 | static inline void iommu_invalidate(struct iommu_regs *regs) | ||
112 | { | ||
113 | regs->tlbflush = 0; | ||
114 | } | ||
115 | |||
116 | static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba) | ||
117 | { | ||
118 | regs->pageflush = (ba & PAGE_MASK); | ||
119 | } | ||
120 | |||
121 | #endif /* !(_SPARC_IOMMU_H) */ | ||
diff --git a/include/asm-sparc/iommu_64.h b/include/asm-sparc/iommu_64.h new file mode 100644 index 000000000000..d7b9afcba08b --- /dev/null +++ b/include/asm-sparc/iommu_64.h | |||
@@ -0,0 +1,62 @@ | |||
1 | /* iommu.h: Definitions for the sun5 IOMMU. | ||
2 | * | ||
3 | * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | #ifndef _SPARC64_IOMMU_H | ||
6 | #define _SPARC64_IOMMU_H | ||
7 | |||
8 | /* The format of an iopte in the page tables. */ | ||
9 | #define IOPTE_VALID 0x8000000000000000UL | ||
10 | #define IOPTE_64K 0x2000000000000000UL | ||
11 | #define IOPTE_STBUF 0x1000000000000000UL | ||
12 | #define IOPTE_INTRA 0x0800000000000000UL | ||
13 | #define IOPTE_CONTEXT 0x07ff800000000000UL | ||
14 | #define IOPTE_PAGE 0x00007fffffffe000UL | ||
15 | #define IOPTE_CACHE 0x0000000000000010UL | ||
16 | #define IOPTE_WRITE 0x0000000000000002UL | ||
17 | |||
18 | #define IOMMU_NUM_CTXS 4096 | ||
19 | |||
20 | struct iommu_arena { | ||
21 | unsigned long *map; | ||
22 | unsigned int hint; | ||
23 | unsigned int limit; | ||
24 | }; | ||
25 | |||
26 | struct iommu { | ||
27 | spinlock_t lock; | ||
28 | struct iommu_arena arena; | ||
29 | void (*flush_all)(struct iommu *); | ||
30 | iopte_t *page_table; | ||
31 | u32 page_table_map_base; | ||
32 | unsigned long iommu_control; | ||
33 | unsigned long iommu_tsbbase; | ||
34 | unsigned long iommu_flush; | ||
35 | unsigned long iommu_flushinv; | ||
36 | unsigned long iommu_tags; | ||
37 | unsigned long iommu_ctxflush; | ||
38 | unsigned long write_complete_reg; | ||
39 | unsigned long dummy_page; | ||
40 | unsigned long dummy_page_pa; | ||
41 | unsigned long ctx_lowest_free; | ||
42 | DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS); | ||
43 | u32 dma_addr_mask; | ||
44 | }; | ||
45 | |||
46 | struct strbuf { | ||
47 | int strbuf_enabled; | ||
48 | unsigned long strbuf_control; | ||
49 | unsigned long strbuf_pflush; | ||
50 | unsigned long strbuf_fsync; | ||
51 | unsigned long strbuf_ctxflush; | ||
52 | unsigned long strbuf_ctxmatch_base; | ||
53 | unsigned long strbuf_flushflag_pa; | ||
54 | volatile unsigned long *strbuf_flushflag; | ||
55 | volatile unsigned long __flushflag_buf[(64+(64-1)) / sizeof(long)]; | ||
56 | }; | ||
57 | |||
58 | extern int iommu_table_init(struct iommu *iommu, int tsbsize, | ||
59 | u32 dma_offset, u32 dma_addr_mask, | ||
60 | int numa_node); | ||
61 | |||
62 | #endif /* !(_SPARC64_IOMMU_H) */ | ||
diff --git a/include/asm-sparc/ipcbuf.h b/include/asm-sparc/ipcbuf.h index 9bef02d04e4b..037605d986e2 100644 --- a/include/asm-sparc/ipcbuf.h +++ b/include/asm-sparc/ipcbuf.h | |||
@@ -1,31 +1,8 @@ | |||
1 | #ifndef _SPARC_IPCBUF_H | 1 | #ifndef ___ASM_SPARC_IPCBUF_H |
2 | #define _SPARC_IPCBUF_H | 2 | #define ___ASM_SPARC_IPCBUF_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* | 4 | #include <asm-sparc/ipcbuf_64.h> |
5 | * The ipc64_perm structure for sparc architecture. | 5 | #else |
6 | * Note extra padding because this structure is passed back and forth | 6 | #include <asm-sparc/ipcbuf_32.h> |
7 | * between kernel and user space. | 7 | #endif |
8 | * | 8 | #endif |
9 | * Pad space is left for: | ||
10 | * - 32-bit mode | ||
11 | * - 32-bit seq | ||
12 | * - 2 miscellaneous 64-bit values (so that this structure matches | ||
13 | * sparc64 ipc64_perm) | ||
14 | */ | ||
15 | |||
16 | struct ipc64_perm | ||
17 | { | ||
18 | __kernel_key_t key; | ||
19 | __kernel_uid32_t uid; | ||
20 | __kernel_gid32_t gid; | ||
21 | __kernel_uid32_t cuid; | ||
22 | __kernel_gid32_t cgid; | ||
23 | unsigned short __pad1; | ||
24 | __kernel_mode_t mode; | ||
25 | unsigned short __pad2; | ||
26 | unsigned short seq; | ||
27 | unsigned long long __unused1; | ||
28 | unsigned long long __unused2; | ||
29 | }; | ||
30 | |||
31 | #endif /* _SPARC_IPCBUF_H */ | ||
diff --git a/include/asm-sparc/ipcbuf_32.h b/include/asm-sparc/ipcbuf_32.h new file mode 100644 index 000000000000..6387209518f2 --- /dev/null +++ b/include/asm-sparc/ipcbuf_32.h | |||
@@ -0,0 +1,31 @@ | |||
1 | #ifndef _SPARC_IPCBUF_H | ||
2 | #define _SPARC_IPCBUF_H | ||
3 | |||
4 | /* | ||
5 | * The ipc64_perm structure for sparc architecture. | ||
6 | * Note extra padding because this structure is passed back and forth | ||
7 | * between kernel and user space. | ||
8 | * | ||
9 | * Pad space is left for: | ||
10 | * - 32-bit mode | ||
11 | * - 32-bit seq | ||
12 | * - 2 miscellaneous 64-bit values (so that this structure matches | ||
13 | * sparc64 ipc64_perm) | ||
14 | */ | ||
15 | |||
16 | struct ipc64_perm | ||
17 | { | ||
18 | __kernel_key_t key; | ||
19 | __kernel_uid32_t uid; | ||
20 | __kernel_gid32_t gid; | ||
21 | __kernel_uid32_t cuid; | ||
22 | __kernel_gid32_t cgid; | ||
23 | unsigned short __pad1; | ||
24 | __kernel_mode_t mode; | ||
25 | unsigned short __pad2; | ||
26 | unsigned short seq; | ||
27 | unsigned long long __unused1; | ||
28 | unsigned long long __unused2; | ||
29 | }; | ||
30 | |||
31 | #endif /* _SPARC_IPCBUF_H */ | ||
diff --git a/include/asm-sparc/ipcbuf_64.h b/include/asm-sparc/ipcbuf_64.h new file mode 100644 index 000000000000..a44b855b98db --- /dev/null +++ b/include/asm-sparc/ipcbuf_64.h | |||
@@ -0,0 +1,28 @@ | |||
1 | #ifndef _SPARC64_IPCBUF_H | ||
2 | #define _SPARC64_IPCBUF_H | ||
3 | |||
4 | /* | ||
5 | * The ipc64_perm structure for sparc64 architecture. | ||
6 | * Note extra padding because this structure is passed back and forth | ||
7 | * between kernel and user space. | ||
8 | * | ||
9 | * Pad space is left for: | ||
10 | * - 32-bit seq | ||
11 | * - 2 miscellaneous 64-bit values | ||
12 | */ | ||
13 | |||
14 | struct ipc64_perm | ||
15 | { | ||
16 | __kernel_key_t key; | ||
17 | __kernel_uid_t uid; | ||
18 | __kernel_gid_t gid; | ||
19 | __kernel_uid_t cuid; | ||
20 | __kernel_gid_t cgid; | ||
21 | __kernel_mode_t mode; | ||
22 | unsigned short __pad1; | ||
23 | unsigned short seq; | ||
24 | unsigned long __unused1; | ||
25 | unsigned long __unused2; | ||
26 | }; | ||
27 | |||
28 | #endif /* _SPARC64_IPCBUF_H */ | ||
diff --git a/include/asm-sparc/irq.h b/include/asm-sparc/irq.h index fe205cc444b8..7af6bb4aa09c 100644 --- a/include/asm-sparc/irq.h +++ b/include/asm-sparc/irq.h | |||
@@ -1,15 +1,8 @@ | |||
1 | /* irq.h: IRQ registers on the Sparc. | 1 | #ifndef ___ASM_SPARC_IRQ_H |
2 | * | 2 | #define ___ASM_SPARC_IRQ_H |
3 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/irq_64.h> |
5 | 5 | #else | |
6 | #ifndef _SPARC_IRQ_H | 6 | #include <asm-sparc/irq_32.h> |
7 | #define _SPARC_IRQ_H | 7 | #endif |
8 | |||
9 | #include <linux/interrupt.h> | ||
10 | |||
11 | #define NR_IRQS 16 | ||
12 | |||
13 | #define irq_canonicalize(irq) (irq) | ||
14 | |||
15 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/irq_32.h b/include/asm-sparc/irq_32.h new file mode 100644 index 000000000000..fe205cc444b8 --- /dev/null +++ b/include/asm-sparc/irq_32.h | |||
@@ -0,0 +1,15 @@ | |||
1 | /* irq.h: IRQ registers on the Sparc. | ||
2 | * | ||
3 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC_IRQ_H | ||
7 | #define _SPARC_IRQ_H | ||
8 | |||
9 | #include <linux/interrupt.h> | ||
10 | |||
11 | #define NR_IRQS 16 | ||
12 | |||
13 | #define irq_canonicalize(irq) (irq) | ||
14 | |||
15 | #endif | ||
diff --git a/include/asm-sparc/irq_64.h b/include/asm-sparc/irq_64.h new file mode 100644 index 000000000000..0bb9bf531745 --- /dev/null +++ b/include/asm-sparc/irq_64.h | |||
@@ -0,0 +1,93 @@ | |||
1 | /* irq.h: IRQ registers on the 64-bit Sparc. | ||
2 | * | ||
3 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_IRQ_H | ||
8 | #define _SPARC64_IRQ_H | ||
9 | |||
10 | #include <linux/linkage.h> | ||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/errno.h> | ||
13 | #include <linux/interrupt.h> | ||
14 | #include <asm/pil.h> | ||
15 | #include <asm/ptrace.h> | ||
16 | |||
17 | /* IMAP/ICLR register defines */ | ||
18 | #define IMAP_VALID 0x80000000UL /* IRQ Enabled */ | ||
19 | #define IMAP_TID_UPA 0x7c000000UL /* UPA TargetID */ | ||
20 | #define IMAP_TID_JBUS 0x7c000000UL /* JBUS TargetID */ | ||
21 | #define IMAP_TID_SHIFT 26 | ||
22 | #define IMAP_AID_SAFARI 0x7c000000UL /* Safari AgentID */ | ||
23 | #define IMAP_AID_SHIFT 26 | ||
24 | #define IMAP_NID_SAFARI 0x03e00000UL /* Safari NodeID */ | ||
25 | #define IMAP_NID_SHIFT 21 | ||
26 | #define IMAP_IGN 0x000007c0UL /* IRQ Group Number */ | ||
27 | #define IMAP_INO 0x0000003fUL /* IRQ Number */ | ||
28 | #define IMAP_INR 0x000007ffUL /* Full interrupt number*/ | ||
29 | |||
30 | #define ICLR_IDLE 0x00000000UL /* Idle state */ | ||
31 | #define ICLR_TRANSMIT 0x00000001UL /* Transmit state */ | ||
32 | #define ICLR_PENDING 0x00000003UL /* Pending state */ | ||
33 | |||
34 | /* The largest number of unique interrupt sources we support. | ||
35 | * If this needs to ever be larger than 255, you need to change | ||
36 | * the type of ino_bucket->virt_irq as appropriate. | ||
37 | * | ||
38 | * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq(). | ||
39 | */ | ||
40 | #define NR_IRQS 255 | ||
41 | |||
42 | extern void irq_install_pre_handler(int virt_irq, | ||
43 | void (*func)(unsigned int, void *, void *), | ||
44 | void *arg1, void *arg2); | ||
45 | #define irq_canonicalize(irq) (irq) | ||
46 | extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); | ||
47 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); | ||
48 | extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino); | ||
49 | extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, | ||
50 | unsigned int msi_devino_start, | ||
51 | unsigned int msi_devino_end); | ||
52 | extern void sun4v_destroy_msi(unsigned int virt_irq); | ||
53 | extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p, | ||
54 | unsigned int msi_devino_start, | ||
55 | unsigned int msi_devino_end, | ||
56 | unsigned long imap_base, | ||
57 | unsigned long iclr_base); | ||
58 | extern void sun4u_destroy_msi(unsigned int virt_irq); | ||
59 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); | ||
60 | |||
61 | extern unsigned char virt_irq_alloc(unsigned int dev_handle, | ||
62 | unsigned int dev_ino); | ||
63 | #ifdef CONFIG_PCI_MSI | ||
64 | extern void virt_irq_free(unsigned int virt_irq); | ||
65 | #endif | ||
66 | |||
67 | extern void __init init_IRQ(void); | ||
68 | extern void fixup_irqs(void); | ||
69 | |||
70 | static inline void set_softint(unsigned long bits) | ||
71 | { | ||
72 | __asm__ __volatile__("wr %0, 0x0, %%set_softint" | ||
73 | : /* No outputs */ | ||
74 | : "r" (bits)); | ||
75 | } | ||
76 | |||
77 | static inline void clear_softint(unsigned long bits) | ||
78 | { | ||
79 | __asm__ __volatile__("wr %0, 0x0, %%clear_softint" | ||
80 | : /* No outputs */ | ||
81 | : "r" (bits)); | ||
82 | } | ||
83 | |||
84 | static inline unsigned long get_softint(void) | ||
85 | { | ||
86 | unsigned long retval; | ||
87 | |||
88 | __asm__ __volatile__("rd %%softint, %0" | ||
89 | : "=r" (retval)); | ||
90 | return retval; | ||
91 | } | ||
92 | |||
93 | #endif | ||
diff --git a/include/asm-sparc/irqflags.h b/include/asm-sparc/irqflags.h index db398fb32826..c6402b187e23 100644 --- a/include/asm-sparc/irqflags.h +++ b/include/asm-sparc/irqflags.h | |||
@@ -1,39 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_IRQFLAGS_H |
2 | * include/asm-sparc/irqflags.h | 2 | #define ___ASM_SPARC_IRQFLAGS_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * IRQ flags handling | 4 | #include <asm-sparc/irqflags_64.h> |
5 | * | 5 | #else |
6 | * This file gets included from lowlevel asm headers too, to provide | 6 | #include <asm-sparc/irqflags_32.h> |
7 | * wrapped versions of the local_irq_*() APIs, based on the | 7 | #endif |
8 | * raw_local_irq_*() functions from the lowlevel headers. | 8 | #endif |
9 | */ | ||
10 | #ifndef _ASM_IRQFLAGS_H | ||
11 | #define _ASM_IRQFLAGS_H | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | extern void raw_local_irq_restore(unsigned long); | ||
16 | extern unsigned long __raw_local_irq_save(void); | ||
17 | extern void raw_local_irq_enable(void); | ||
18 | |||
19 | static inline unsigned long getipl(void) | ||
20 | { | ||
21 | unsigned long retval; | ||
22 | |||
23 | __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); | ||
24 | return retval; | ||
25 | } | ||
26 | |||
27 | #define raw_local_save_flags(flags) ((flags) = getipl()) | ||
28 | #define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) | ||
29 | #define raw_local_irq_disable() ((void) __raw_local_irq_save()) | ||
30 | #define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) | ||
31 | |||
32 | static inline int raw_irqs_disabled_flags(unsigned long flags) | ||
33 | { | ||
34 | return ((flags & PSR_PIL) != 0); | ||
35 | } | ||
36 | |||
37 | #endif /* (__ASSEMBLY__) */ | ||
38 | |||
39 | #endif /* !(_ASM_IRQFLAGS_H) */ | ||
diff --git a/include/asm-sparc/irqflags_32.h b/include/asm-sparc/irqflags_32.h new file mode 100644 index 000000000000..db398fb32826 --- /dev/null +++ b/include/asm-sparc/irqflags_32.h | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * include/asm-sparc/irqflags.h | ||
3 | * | ||
4 | * IRQ flags handling | ||
5 | * | ||
6 | * This file gets included from lowlevel asm headers too, to provide | ||
7 | * wrapped versions of the local_irq_*() APIs, based on the | ||
8 | * raw_local_irq_*() functions from the lowlevel headers. | ||
9 | */ | ||
10 | #ifndef _ASM_IRQFLAGS_H | ||
11 | #define _ASM_IRQFLAGS_H | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | extern void raw_local_irq_restore(unsigned long); | ||
16 | extern unsigned long __raw_local_irq_save(void); | ||
17 | extern void raw_local_irq_enable(void); | ||
18 | |||
19 | static inline unsigned long getipl(void) | ||
20 | { | ||
21 | unsigned long retval; | ||
22 | |||
23 | __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); | ||
24 | return retval; | ||
25 | } | ||
26 | |||
27 | #define raw_local_save_flags(flags) ((flags) = getipl()) | ||
28 | #define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) | ||
29 | #define raw_local_irq_disable() ((void) __raw_local_irq_save()) | ||
30 | #define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) | ||
31 | |||
32 | static inline int raw_irqs_disabled_flags(unsigned long flags) | ||
33 | { | ||
34 | return ((flags & PSR_PIL) != 0); | ||
35 | } | ||
36 | |||
37 | #endif /* (__ASSEMBLY__) */ | ||
38 | |||
39 | #endif /* !(_ASM_IRQFLAGS_H) */ | ||
diff --git a/include/asm-sparc/irqflags_64.h b/include/asm-sparc/irqflags_64.h new file mode 100644 index 000000000000..024fc54d0682 --- /dev/null +++ b/include/asm-sparc/irqflags_64.h | |||
@@ -0,0 +1,89 @@ | |||
1 | /* | ||
2 | * include/asm-sparc64/irqflags.h | ||
3 | * | ||
4 | * IRQ flags handling | ||
5 | * | ||
6 | * This file gets included from lowlevel asm headers too, to provide | ||
7 | * wrapped versions of the local_irq_*() APIs, based on the | ||
8 | * raw_local_irq_*() functions from the lowlevel headers. | ||
9 | */ | ||
10 | #ifndef _ASM_IRQFLAGS_H | ||
11 | #define _ASM_IRQFLAGS_H | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | static inline unsigned long __raw_local_save_flags(void) | ||
16 | { | ||
17 | unsigned long flags; | ||
18 | |||
19 | __asm__ __volatile__( | ||
20 | "rdpr %%pil, %0" | ||
21 | : "=r" (flags) | ||
22 | ); | ||
23 | |||
24 | return flags; | ||
25 | } | ||
26 | |||
27 | #define raw_local_save_flags(flags) \ | ||
28 | do { (flags) = __raw_local_save_flags(); } while (0) | ||
29 | |||
30 | static inline void raw_local_irq_restore(unsigned long flags) | ||
31 | { | ||
32 | __asm__ __volatile__( | ||
33 | "wrpr %0, %%pil" | ||
34 | : /* no output */ | ||
35 | : "r" (flags) | ||
36 | : "memory" | ||
37 | ); | ||
38 | } | ||
39 | |||
40 | static inline void raw_local_irq_disable(void) | ||
41 | { | ||
42 | __asm__ __volatile__( | ||
43 | "wrpr 15, %%pil" | ||
44 | : /* no outputs */ | ||
45 | : /* no inputs */ | ||
46 | : "memory" | ||
47 | ); | ||
48 | } | ||
49 | |||
50 | static inline void raw_local_irq_enable(void) | ||
51 | { | ||
52 | __asm__ __volatile__( | ||
53 | "wrpr 0, %%pil" | ||
54 | : /* no outputs */ | ||
55 | : /* no inputs */ | ||
56 | : "memory" | ||
57 | ); | ||
58 | } | ||
59 | |||
60 | static inline int raw_irqs_disabled_flags(unsigned long flags) | ||
61 | { | ||
62 | return (flags > 0); | ||
63 | } | ||
64 | |||
65 | static inline int raw_irqs_disabled(void) | ||
66 | { | ||
67 | unsigned long flags = __raw_local_save_flags(); | ||
68 | |||
69 | return raw_irqs_disabled_flags(flags); | ||
70 | } | ||
71 | |||
72 | /* | ||
73 | * For spinlocks, etc: | ||
74 | */ | ||
75 | static inline unsigned long __raw_local_irq_save(void) | ||
76 | { | ||
77 | unsigned long flags = __raw_local_save_flags(); | ||
78 | |||
79 | raw_local_irq_disable(); | ||
80 | |||
81 | return flags; | ||
82 | } | ||
83 | |||
84 | #define raw_local_irq_save(flags) \ | ||
85 | do { (flags) = __raw_local_irq_save(); } while (0) | ||
86 | |||
87 | #endif /* (__ASSEMBLY__) */ | ||
88 | |||
89 | #endif /* !(_ASM_IRQFLAGS_H) */ | ||
diff --git a/include/asm-sparc/kdebug.h b/include/asm-sparc/kdebug.h index f69fe7d84b3c..fe07d00d0534 100644 --- a/include/asm-sparc/kdebug.h +++ b/include/asm-sparc/kdebug.h | |||
@@ -1,73 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_KDEBUG_H |
2 | * kdebug.h: Defines and definitions for debugging the Linux kernel | 2 | #define ___ASM_SPARC_KDEBUG_H |
3 | * under various kernel debuggers. | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * | 4 | #include <asm-sparc/kdebug_64.h> |
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 5 | #else |
6 | */ | 6 | #include <asm-sparc/kdebug_32.h> |
7 | #ifndef _SPARC_KDEBUG_H | 7 | #endif |
8 | #define _SPARC_KDEBUG_H | 8 | #endif |
9 | |||
10 | #include <asm/openprom.h> | ||
11 | #include <asm/vaddrs.h> | ||
12 | |||
13 | /* Breakpoints are enter through trap table entry 126. So in sparc assembly | ||
14 | * if you want to drop into the debugger you do: | ||
15 | * | ||
16 | * t DEBUG_BP_TRAP | ||
17 | */ | ||
18 | |||
19 | #define DEBUG_BP_TRAP 126 | ||
20 | |||
21 | #ifndef __ASSEMBLY__ | ||
22 | /* The debug vector is passed in %o1 at boot time. It is a pointer to | ||
23 | * a structure in the debuggers address space. Here is its format. | ||
24 | */ | ||
25 | |||
26 | typedef unsigned int (*debugger_funct)(void); | ||
27 | |||
28 | struct kernel_debug { | ||
29 | /* First the entry point into the debugger. You jump here | ||
30 | * to give control over to the debugger. | ||
31 | */ | ||
32 | unsigned long kdebug_entry; | ||
33 | unsigned long kdebug_trapme; /* Figure out later... */ | ||
34 | /* The following is the number of pages that the debugger has | ||
35 | * taken from to total pool. | ||
36 | */ | ||
37 | unsigned long *kdebug_stolen_pages; | ||
38 | /* Ok, after you remap yourself and/or change the trap table | ||
39 | * from what you were left with at boot time you have to call | ||
40 | * this synchronization function so the debugger can check out | ||
41 | * what you have done. | ||
42 | */ | ||
43 | debugger_funct teach_debugger; | ||
44 | }; /* I think that is it... */ | ||
45 | |||
46 | extern struct kernel_debug *linux_dbvec; | ||
47 | |||
48 | /* Use this macro in C-code to enter the debugger. */ | ||
49 | static inline void sp_enter_debugger(void) | ||
50 | { | ||
51 | __asm__ __volatile__("jmpl %0, %%o7\n\t" | ||
52 | "nop\n\t" : : | ||
53 | "r" (linux_dbvec) : "o7", "memory"); | ||
54 | } | ||
55 | |||
56 | #define SP_ENTER_DEBUGGER do { \ | ||
57 | if((linux_dbvec!=0) && ((*(short *)linux_dbvec)!=-1)) \ | ||
58 | sp_enter_debugger(); \ | ||
59 | } while(0) | ||
60 | |||
61 | enum die_val { | ||
62 | DIE_UNUSED, | ||
63 | }; | ||
64 | |||
65 | #endif /* !(__ASSEMBLY__) */ | ||
66 | |||
67 | /* Some nice offset defines for assembler code. */ | ||
68 | #define KDEBUG_ENTRY_OFF 0x0 | ||
69 | #define KDEBUG_DUNNO_OFF 0x4 | ||
70 | #define KDEBUG_DUNNO2_OFF 0x8 | ||
71 | #define KDEBUG_TEACH_OFF 0xc | ||
72 | |||
73 | #endif /* !(_SPARC_KDEBUG_H) */ | ||
diff --git a/include/asm-sparc/kdebug_32.h b/include/asm-sparc/kdebug_32.h new file mode 100644 index 000000000000..f69fe7d84b3c --- /dev/null +++ b/include/asm-sparc/kdebug_32.h | |||
@@ -0,0 +1,73 @@ | |||
1 | /* | ||
2 | * kdebug.h: Defines and definitions for debugging the Linux kernel | ||
3 | * under various kernel debuggers. | ||
4 | * | ||
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | */ | ||
7 | #ifndef _SPARC_KDEBUG_H | ||
8 | #define _SPARC_KDEBUG_H | ||
9 | |||
10 | #include <asm/openprom.h> | ||
11 | #include <asm/vaddrs.h> | ||
12 | |||
13 | /* Breakpoints are enter through trap table entry 126. So in sparc assembly | ||
14 | * if you want to drop into the debugger you do: | ||
15 | * | ||
16 | * t DEBUG_BP_TRAP | ||
17 | */ | ||
18 | |||
19 | #define DEBUG_BP_TRAP 126 | ||
20 | |||
21 | #ifndef __ASSEMBLY__ | ||
22 | /* The debug vector is passed in %o1 at boot time. It is a pointer to | ||
23 | * a structure in the debuggers address space. Here is its format. | ||
24 | */ | ||
25 | |||
26 | typedef unsigned int (*debugger_funct)(void); | ||
27 | |||
28 | struct kernel_debug { | ||
29 | /* First the entry point into the debugger. You jump here | ||
30 | * to give control over to the debugger. | ||
31 | */ | ||
32 | unsigned long kdebug_entry; | ||
33 | unsigned long kdebug_trapme; /* Figure out later... */ | ||
34 | /* The following is the number of pages that the debugger has | ||
35 | * taken from to total pool. | ||
36 | */ | ||
37 | unsigned long *kdebug_stolen_pages; | ||
38 | /* Ok, after you remap yourself and/or change the trap table | ||
39 | * from what you were left with at boot time you have to call | ||
40 | * this synchronization function so the debugger can check out | ||
41 | * what you have done. | ||
42 | */ | ||
43 | debugger_funct teach_debugger; | ||
44 | }; /* I think that is it... */ | ||
45 | |||
46 | extern struct kernel_debug *linux_dbvec; | ||
47 | |||
48 | /* Use this macro in C-code to enter the debugger. */ | ||
49 | static inline void sp_enter_debugger(void) | ||
50 | { | ||
51 | __asm__ __volatile__("jmpl %0, %%o7\n\t" | ||
52 | "nop\n\t" : : | ||
53 | "r" (linux_dbvec) : "o7", "memory"); | ||
54 | } | ||
55 | |||
56 | #define SP_ENTER_DEBUGGER do { \ | ||
57 | if((linux_dbvec!=0) && ((*(short *)linux_dbvec)!=-1)) \ | ||
58 | sp_enter_debugger(); \ | ||
59 | } while(0) | ||
60 | |||
61 | enum die_val { | ||
62 | DIE_UNUSED, | ||
63 | }; | ||
64 | |||
65 | #endif /* !(__ASSEMBLY__) */ | ||
66 | |||
67 | /* Some nice offset defines for assembler code. */ | ||
68 | #define KDEBUG_ENTRY_OFF 0x0 | ||
69 | #define KDEBUG_DUNNO_OFF 0x4 | ||
70 | #define KDEBUG_DUNNO2_OFF 0x8 | ||
71 | #define KDEBUG_TEACH_OFF 0xc | ||
72 | |||
73 | #endif /* !(_SPARC_KDEBUG_H) */ | ||
diff --git a/include/asm-sparc/kdebug_64.h b/include/asm-sparc/kdebug_64.h new file mode 100644 index 000000000000..f905b773235a --- /dev/null +++ b/include/asm-sparc/kdebug_64.h | |||
@@ -0,0 +1,19 @@ | |||
1 | #ifndef _SPARC64_KDEBUG_H | ||
2 | #define _SPARC64_KDEBUG_H | ||
3 | |||
4 | struct pt_regs; | ||
5 | |||
6 | extern void bad_trap(struct pt_regs *, long); | ||
7 | |||
8 | /* Grossly misnamed. */ | ||
9 | enum die_val { | ||
10 | DIE_OOPS = 1, | ||
11 | DIE_DEBUG, /* ta 0x70 */ | ||
12 | DIE_DEBUG_2, /* ta 0x71 */ | ||
13 | DIE_DIE, | ||
14 | DIE_TRAP, | ||
15 | DIE_TRAP_TL1, | ||
16 | DIE_CALL, | ||
17 | }; | ||
18 | |||
19 | #endif | ||
diff --git a/include/asm-sparc/mc146818rtc.h b/include/asm-sparc/mc146818rtc.h index fa7eac926582..9ab65c21e9e4 100644 --- a/include/asm-sparc/mc146818rtc.h +++ b/include/asm-sparc/mc146818rtc.h | |||
@@ -1,29 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_MC146818RTC_H |
2 | * Machine dependent access functions for RTC registers. | 2 | #define ___ASM_SPARC_MC146818RTC_H |
3 | */ | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | #ifndef __ASM_SPARC_MC146818RTC_H | 4 | #include <asm-sparc/mc146818rtc_64.h> |
5 | #define __ASM_SPARC_MC146818RTC_H | 5 | #else |
6 | 6 | #include <asm-sparc/mc146818rtc_32.h> | |
7 | #include <asm/io.h> | 7 | #endif |
8 | |||
9 | #ifndef RTC_PORT | ||
10 | #define RTC_PORT(x) (0x70 + (x)) | ||
11 | #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ | ||
12 | #endif | 8 | #endif |
13 | |||
14 | /* | ||
15 | * The yet supported machines all access the RTC index register via | ||
16 | * an ISA port access but the way to access the date register differs ... | ||
17 | */ | ||
18 | #define CMOS_READ(addr) ({ \ | ||
19 | outb_p((addr),RTC_PORT(0)); \ | ||
20 | inb_p(RTC_PORT(1)); \ | ||
21 | }) | ||
22 | #define CMOS_WRITE(val, addr) ({ \ | ||
23 | outb_p((addr),RTC_PORT(0)); \ | ||
24 | outb_p((val),RTC_PORT(1)); \ | ||
25 | }) | ||
26 | |||
27 | #define RTC_IRQ 8 | ||
28 | |||
29 | #endif /* __ASM_SPARC_MC146818RTC_H */ | ||
diff --git a/include/asm-sparc/mc146818rtc_32.h b/include/asm-sparc/mc146818rtc_32.h new file mode 100644 index 000000000000..fa7eac926582 --- /dev/null +++ b/include/asm-sparc/mc146818rtc_32.h | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * Machine dependent access functions for RTC registers. | ||
3 | */ | ||
4 | #ifndef __ASM_SPARC_MC146818RTC_H | ||
5 | #define __ASM_SPARC_MC146818RTC_H | ||
6 | |||
7 | #include <asm/io.h> | ||
8 | |||
9 | #ifndef RTC_PORT | ||
10 | #define RTC_PORT(x) (0x70 + (x)) | ||
11 | #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ | ||
12 | #endif | ||
13 | |||
14 | /* | ||
15 | * The yet supported machines all access the RTC index register via | ||
16 | * an ISA port access but the way to access the date register differs ... | ||
17 | */ | ||
18 | #define CMOS_READ(addr) ({ \ | ||
19 | outb_p((addr),RTC_PORT(0)); \ | ||
20 | inb_p(RTC_PORT(1)); \ | ||
21 | }) | ||
22 | #define CMOS_WRITE(val, addr) ({ \ | ||
23 | outb_p((addr),RTC_PORT(0)); \ | ||
24 | outb_p((val),RTC_PORT(1)); \ | ||
25 | }) | ||
26 | |||
27 | #define RTC_IRQ 8 | ||
28 | |||
29 | #endif /* __ASM_SPARC_MC146818RTC_H */ | ||
diff --git a/include/asm-sparc/mc146818rtc_64.h b/include/asm-sparc/mc146818rtc_64.h new file mode 100644 index 000000000000..e9c0fcc25c6f --- /dev/null +++ b/include/asm-sparc/mc146818rtc_64.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* | ||
2 | * Machine dependent access functions for RTC registers. | ||
3 | */ | ||
4 | #ifndef __ASM_SPARC64_MC146818RTC_H | ||
5 | #define __ASM_SPARC64_MC146818RTC_H | ||
6 | |||
7 | #include <asm/io.h> | ||
8 | |||
9 | #ifndef RTC_PORT | ||
10 | #ifdef CONFIG_PCI | ||
11 | extern unsigned long ds1287_regs; | ||
12 | #else | ||
13 | #define ds1287_regs (0UL) | ||
14 | #endif | ||
15 | #define RTC_PORT(x) (ds1287_regs + (x)) | ||
16 | #define RTC_ALWAYS_BCD 0 | ||
17 | #endif | ||
18 | |||
19 | /* | ||
20 | * The yet supported machines all access the RTC index register via | ||
21 | * an ISA port access but the way to access the date register differs ... | ||
22 | */ | ||
23 | #define CMOS_READ(addr) ({ \ | ||
24 | outb_p((addr),RTC_PORT(0)); \ | ||
25 | inb_p(RTC_PORT(1)); \ | ||
26 | }) | ||
27 | #define CMOS_WRITE(val, addr) ({ \ | ||
28 | outb_p((addr),RTC_PORT(0)); \ | ||
29 | outb_p((val),RTC_PORT(1)); \ | ||
30 | }) | ||
31 | |||
32 | #define RTC_IRQ 8 | ||
33 | |||
34 | #endif /* __ASM_SPARC64_MC146818RTC_H */ | ||
diff --git a/include/asm-sparc/mmu.h b/include/asm-sparc/mmu.h index ccd36d26615a..ee66bf6dcbd6 100644 --- a/include/asm-sparc/mmu.h +++ b/include/asm-sparc/mmu.h | |||
@@ -1,7 +1,8 @@ | |||
1 | #ifndef __MMU_H | 1 | #ifndef ___ASM_SPARC_MMU_H |
2 | #define __MMU_H | 2 | #define ___ASM_SPARC_MMU_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* Default "unsigned long" context */ | 4 | #include <asm-sparc/mmu_64.h> |
5 | typedef unsigned long mm_context_t; | 5 | #else |
6 | 6 | #include <asm-sparc/mmu_32.h> | |
7 | #endif | ||
7 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/mmu_32.h b/include/asm-sparc/mmu_32.h new file mode 100644 index 000000000000..ccd36d26615a --- /dev/null +++ b/include/asm-sparc/mmu_32.h | |||
@@ -0,0 +1,7 @@ | |||
1 | #ifndef __MMU_H | ||
2 | #define __MMU_H | ||
3 | |||
4 | /* Default "unsigned long" context */ | ||
5 | typedef unsigned long mm_context_t; | ||
6 | |||
7 | #endif | ||
diff --git a/include/asm-sparc/mmu_64.h b/include/asm-sparc/mmu_64.h new file mode 100644 index 000000000000..8abc58f0f9d7 --- /dev/null +++ b/include/asm-sparc/mmu_64.h | |||
@@ -0,0 +1,127 @@ | |||
1 | #ifndef __MMU_H | ||
2 | #define __MMU_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | #include <asm/page.h> | ||
6 | #include <asm/hypervisor.h> | ||
7 | |||
8 | #define CTX_NR_BITS 13 | ||
9 | |||
10 | #define TAG_CONTEXT_BITS ((_AC(1,UL) << CTX_NR_BITS) - _AC(1,UL)) | ||
11 | |||
12 | /* UltraSPARC-III+ and later have a feature whereby you can | ||
13 | * select what page size the various Data-TLB instances in the | ||
14 | * chip. In order to gracefully support this, we put the version | ||
15 | * field in a spot outside of the areas of the context register | ||
16 | * where this parameter is specified. | ||
17 | */ | ||
18 | #define CTX_VERSION_SHIFT 22 | ||
19 | #define CTX_VERSION_MASK ((~0UL) << CTX_VERSION_SHIFT) | ||
20 | |||
21 | #define CTX_PGSZ_8KB _AC(0x0,UL) | ||
22 | #define CTX_PGSZ_64KB _AC(0x1,UL) | ||
23 | #define CTX_PGSZ_512KB _AC(0x2,UL) | ||
24 | #define CTX_PGSZ_4MB _AC(0x3,UL) | ||
25 | #define CTX_PGSZ_BITS _AC(0x7,UL) | ||
26 | #define CTX_PGSZ0_NUC_SHIFT 61 | ||
27 | #define CTX_PGSZ1_NUC_SHIFT 58 | ||
28 | #define CTX_PGSZ0_SHIFT 16 | ||
29 | #define CTX_PGSZ1_SHIFT 19 | ||
30 | #define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \ | ||
31 | (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT)) | ||
32 | |||
33 | #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) | ||
34 | #define CTX_PGSZ_BASE CTX_PGSZ_8KB | ||
35 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) | ||
36 | #define CTX_PGSZ_BASE CTX_PGSZ_64KB | ||
37 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB) | ||
38 | #define CTX_PGSZ_BASE CTX_PGSZ_512KB | ||
39 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB) | ||
40 | #define CTX_PGSZ_BASE CTX_PGSZ_4MB | ||
41 | #else | ||
42 | #error No page size specified in kernel configuration | ||
43 | #endif | ||
44 | |||
45 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
46 | #define CTX_PGSZ_HUGE CTX_PGSZ_4MB | ||
47 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
48 | #define CTX_PGSZ_HUGE CTX_PGSZ_512KB | ||
49 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
50 | #define CTX_PGSZ_HUGE CTX_PGSZ_64KB | ||
51 | #endif | ||
52 | |||
53 | #define CTX_PGSZ_KERN CTX_PGSZ_4MB | ||
54 | |||
55 | /* Thus, when running on UltraSPARC-III+ and later, we use the following | ||
56 | * PRIMARY_CONTEXT register values for the kernel context. | ||
57 | */ | ||
58 | #define CTX_CHEETAH_PLUS_NUC \ | ||
59 | ((CTX_PGSZ_KERN << CTX_PGSZ0_NUC_SHIFT) | \ | ||
60 | (CTX_PGSZ_BASE << CTX_PGSZ1_NUC_SHIFT)) | ||
61 | |||
62 | #define CTX_CHEETAH_PLUS_CTX0 \ | ||
63 | ((CTX_PGSZ_KERN << CTX_PGSZ0_SHIFT) | \ | ||
64 | (CTX_PGSZ_BASE << CTX_PGSZ1_SHIFT)) | ||
65 | |||
66 | /* If you want "the TLB context number" use CTX_NR_MASK. If you | ||
67 | * want "the bits I program into the context registers" use | ||
68 | * CTX_HW_MASK. | ||
69 | */ | ||
70 | #define CTX_NR_MASK TAG_CONTEXT_BITS | ||
71 | #define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK) | ||
72 | |||
73 | #define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL)) | ||
74 | #define CTX_VALID(__ctx) \ | ||
75 | (!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK)) | ||
76 | #define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK) | ||
77 | #define CTX_NRBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_NR_MASK) | ||
78 | |||
79 | #ifndef __ASSEMBLY__ | ||
80 | |||
81 | #define TSB_ENTRY_ALIGNMENT 16 | ||
82 | |||
83 | struct tsb { | ||
84 | unsigned long tag; | ||
85 | unsigned long pte; | ||
86 | } __attribute__((aligned(TSB_ENTRY_ALIGNMENT))); | ||
87 | |||
88 | extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte); | ||
89 | extern void tsb_flush(unsigned long ent, unsigned long tag); | ||
90 | extern void tsb_init(struct tsb *tsb, unsigned long size); | ||
91 | |||
92 | struct tsb_config { | ||
93 | struct tsb *tsb; | ||
94 | unsigned long tsb_rss_limit; | ||
95 | unsigned long tsb_nentries; | ||
96 | unsigned long tsb_reg_val; | ||
97 | unsigned long tsb_map_vaddr; | ||
98 | unsigned long tsb_map_pte; | ||
99 | }; | ||
100 | |||
101 | #define MM_TSB_BASE 0 | ||
102 | |||
103 | #ifdef CONFIG_HUGETLB_PAGE | ||
104 | #define MM_TSB_HUGE 1 | ||
105 | #define MM_NUM_TSBS 2 | ||
106 | #else | ||
107 | #define MM_NUM_TSBS 1 | ||
108 | #endif | ||
109 | |||
110 | typedef struct { | ||
111 | spinlock_t lock; | ||
112 | unsigned long sparc64_ctx_val; | ||
113 | unsigned long huge_pte_count; | ||
114 | struct tsb_config tsb_block[MM_NUM_TSBS]; | ||
115 | struct hv_tsb_descr tsb_descr[MM_NUM_TSBS]; | ||
116 | } mm_context_t; | ||
117 | |||
118 | #endif /* !__ASSEMBLY__ */ | ||
119 | |||
120 | #define TSB_CONFIG_TSB 0x00 | ||
121 | #define TSB_CONFIG_RSS_LIMIT 0x08 | ||
122 | #define TSB_CONFIG_NENTRIES 0x10 | ||
123 | #define TSB_CONFIG_REG_VAL 0x18 | ||
124 | #define TSB_CONFIG_MAP_VADDR 0x20 | ||
125 | #define TSB_CONFIG_MAP_PTE 0x28 | ||
126 | |||
127 | #endif /* __MMU_H */ | ||
diff --git a/include/asm-sparc/mmu_context.h b/include/asm-sparc/mmu_context.h index 671a997b9e69..e14efb9532ff 100644 --- a/include/asm-sparc/mmu_context.h +++ b/include/asm-sparc/mmu_context.h | |||
@@ -1,42 +1,8 @@ | |||
1 | #ifndef __SPARC_MMU_CONTEXT_H | 1 | #ifndef ___ASM_SPARC_MMU_CONTEXT_H |
2 | #define __SPARC_MMU_CONTEXT_H | 2 | #define ___ASM_SPARC_MMU_CONTEXT_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm/btfixup.h> | 4 | #include <asm-sparc/mmu_context_64.h> |
5 | 5 | #else | |
6 | #ifndef __ASSEMBLY__ | 6 | #include <asm-sparc/mmu_context_32.h> |
7 | 7 | #endif | |
8 | #include <asm-generic/mm_hooks.h> | 8 | #endif |
9 | |||
10 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | ||
11 | { | ||
12 | } | ||
13 | |||
14 | /* | ||
15 | * Initialize a new mmu context. This is invoked when a new | ||
16 | * address space instance (unique or shared) is instantiated. | ||
17 | */ | ||
18 | #define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) | ||
19 | |||
20 | /* | ||
21 | * Destroy a dead context. This occurs when mmput drops the | ||
22 | * mm_users count to zero, the mmaps have been released, and | ||
23 | * all the page tables have been flushed. Our job is to destroy | ||
24 | * any remaining processor-specific state. | ||
25 | */ | ||
26 | BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *) | ||
27 | |||
28 | #define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm) | ||
29 | |||
30 | /* Switch the current MM context. */ | ||
31 | BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *) | ||
32 | |||
33 | #define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk) | ||
34 | |||
35 | #define deactivate_mm(tsk,mm) do { } while (0) | ||
36 | |||
37 | /* Activate a new MM instance for the current task. */ | ||
38 | #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) | ||
39 | |||
40 | #endif /* !(__ASSEMBLY__) */ | ||
41 | |||
42 | #endif /* !(__SPARC_MMU_CONTEXT_H) */ | ||
diff --git a/include/asm-sparc/mmu_context_32.h b/include/asm-sparc/mmu_context_32.h new file mode 100644 index 000000000000..671a997b9e69 --- /dev/null +++ b/include/asm-sparc/mmu_context_32.h | |||
@@ -0,0 +1,42 @@ | |||
1 | #ifndef __SPARC_MMU_CONTEXT_H | ||
2 | #define __SPARC_MMU_CONTEXT_H | ||
3 | |||
4 | #include <asm/btfixup.h> | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <asm-generic/mm_hooks.h> | ||
9 | |||
10 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | ||
11 | { | ||
12 | } | ||
13 | |||
14 | /* | ||
15 | * Initialize a new mmu context. This is invoked when a new | ||
16 | * address space instance (unique or shared) is instantiated. | ||
17 | */ | ||
18 | #define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) | ||
19 | |||
20 | /* | ||
21 | * Destroy a dead context. This occurs when mmput drops the | ||
22 | * mm_users count to zero, the mmaps have been released, and | ||
23 | * all the page tables have been flushed. Our job is to destroy | ||
24 | * any remaining processor-specific state. | ||
25 | */ | ||
26 | BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *) | ||
27 | |||
28 | #define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm) | ||
29 | |||
30 | /* Switch the current MM context. */ | ||
31 | BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *) | ||
32 | |||
33 | #define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk) | ||
34 | |||
35 | #define deactivate_mm(tsk,mm) do { } while (0) | ||
36 | |||
37 | /* Activate a new MM instance for the current task. */ | ||
38 | #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) | ||
39 | |||
40 | #endif /* !(__ASSEMBLY__) */ | ||
41 | |||
42 | #endif /* !(__SPARC_MMU_CONTEXT_H) */ | ||
diff --git a/include/asm-sparc/mmu_context_64.h b/include/asm-sparc/mmu_context_64.h new file mode 100644 index 000000000000..5693ab482606 --- /dev/null +++ b/include/asm-sparc/mmu_context_64.h | |||
@@ -0,0 +1,155 @@ | |||
1 | #ifndef __SPARC64_MMU_CONTEXT_H | ||
2 | #define __SPARC64_MMU_CONTEXT_H | ||
3 | |||
4 | /* Derived heavily from Linus's Alpha/AXP ASN code... */ | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <linux/spinlock.h> | ||
9 | #include <asm/system.h> | ||
10 | #include <asm/spitfire.h> | ||
11 | #include <asm-generic/mm_hooks.h> | ||
12 | |||
13 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | ||
14 | { | ||
15 | } | ||
16 | |||
17 | extern spinlock_t ctx_alloc_lock; | ||
18 | extern unsigned long tlb_context_cache; | ||
19 | extern unsigned long mmu_context_bmap[]; | ||
20 | |||
21 | extern void get_new_mmu_context(struct mm_struct *mm); | ||
22 | #ifdef CONFIG_SMP | ||
23 | extern void smp_new_mmu_context_version(void); | ||
24 | #else | ||
25 | #define smp_new_mmu_context_version() do { } while (0) | ||
26 | #endif | ||
27 | |||
28 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); | ||
29 | extern void destroy_context(struct mm_struct *mm); | ||
30 | |||
31 | extern void __tsb_context_switch(unsigned long pgd_pa, | ||
32 | struct tsb_config *tsb_base, | ||
33 | struct tsb_config *tsb_huge, | ||
34 | unsigned long tsb_descr_pa); | ||
35 | |||
36 | static inline void tsb_context_switch(struct mm_struct *mm) | ||
37 | { | ||
38 | __tsb_context_switch(__pa(mm->pgd), | ||
39 | &mm->context.tsb_block[0], | ||
40 | #ifdef CONFIG_HUGETLB_PAGE | ||
41 | (mm->context.tsb_block[1].tsb ? | ||
42 | &mm->context.tsb_block[1] : | ||
43 | NULL) | ||
44 | #else | ||
45 | NULL | ||
46 | #endif | ||
47 | , __pa(&mm->context.tsb_descr[0])); | ||
48 | } | ||
49 | |||
50 | extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss); | ||
51 | #ifdef CONFIG_SMP | ||
52 | extern void smp_tsb_sync(struct mm_struct *mm); | ||
53 | #else | ||
54 | #define smp_tsb_sync(__mm) do { } while (0) | ||
55 | #endif | ||
56 | |||
57 | /* Set MMU context in the actual hardware. */ | ||
58 | #define load_secondary_context(__mm) \ | ||
59 | __asm__ __volatile__( \ | ||
60 | "\n661: stxa %0, [%1] %2\n" \ | ||
61 | " .section .sun4v_1insn_patch, \"ax\"\n" \ | ||
62 | " .word 661b\n" \ | ||
63 | " stxa %0, [%1] %3\n" \ | ||
64 | " .previous\n" \ | ||
65 | " flush %%g6\n" \ | ||
66 | : /* No outputs */ \ | ||
67 | : "r" (CTX_HWBITS((__mm)->context)), \ | ||
68 | "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU)) | ||
69 | |||
70 | extern void __flush_tlb_mm(unsigned long, unsigned long); | ||
71 | |||
72 | /* Switch the current MM context. Interrupts are disabled. */ | ||
73 | static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) | ||
74 | { | ||
75 | unsigned long ctx_valid, flags; | ||
76 | int cpu; | ||
77 | |||
78 | if (unlikely(mm == &init_mm)) | ||
79 | return; | ||
80 | |||
81 | spin_lock_irqsave(&mm->context.lock, flags); | ||
82 | ctx_valid = CTX_VALID(mm->context); | ||
83 | if (!ctx_valid) | ||
84 | get_new_mmu_context(mm); | ||
85 | |||
86 | /* We have to be extremely careful here or else we will miss | ||
87 | * a TSB grow if we switch back and forth between a kernel | ||
88 | * thread and an address space which has it's TSB size increased | ||
89 | * on another processor. | ||
90 | * | ||
91 | * It is possible to play some games in order to optimize the | ||
92 | * switch, but the safest thing to do is to unconditionally | ||
93 | * perform the secondary context load and the TSB context switch. | ||
94 | * | ||
95 | * For reference the bad case is, for address space "A": | ||
96 | * | ||
97 | * CPU 0 CPU 1 | ||
98 | * run address space A | ||
99 | * set cpu0's bits in cpu_vm_mask | ||
100 | * switch to kernel thread, borrow | ||
101 | * address space A via entry_lazy_tlb | ||
102 | * run address space A | ||
103 | * set cpu1's bit in cpu_vm_mask | ||
104 | * flush_tlb_pending() | ||
105 | * reset cpu_vm_mask to just cpu1 | ||
106 | * TSB grow | ||
107 | * run address space A | ||
108 | * context was valid, so skip | ||
109 | * TSB context switch | ||
110 | * | ||
111 | * At that point cpu0 continues to use a stale TSB, the one from | ||
112 | * before the TSB grow performed on cpu1. cpu1 did not cross-call | ||
113 | * cpu0 to update it's TSB because at that point the cpu_vm_mask | ||
114 | * only had cpu1 set in it. | ||
115 | */ | ||
116 | load_secondary_context(mm); | ||
117 | tsb_context_switch(mm); | ||
118 | |||
119 | /* Any time a processor runs a context on an address space | ||
120 | * for the first time, we must flush that context out of the | ||
121 | * local TLB. | ||
122 | */ | ||
123 | cpu = smp_processor_id(); | ||
124 | if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) { | ||
125 | cpu_set(cpu, mm->cpu_vm_mask); | ||
126 | __flush_tlb_mm(CTX_HWBITS(mm->context), | ||
127 | SECONDARY_CONTEXT); | ||
128 | } | ||
129 | spin_unlock_irqrestore(&mm->context.lock, flags); | ||
130 | } | ||
131 | |||
132 | #define deactivate_mm(tsk,mm) do { } while (0) | ||
133 | |||
134 | /* Activate a new MM instance for the current task. */ | ||
135 | static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm) | ||
136 | { | ||
137 | unsigned long flags; | ||
138 | int cpu; | ||
139 | |||
140 | spin_lock_irqsave(&mm->context.lock, flags); | ||
141 | if (!CTX_VALID(mm->context)) | ||
142 | get_new_mmu_context(mm); | ||
143 | cpu = smp_processor_id(); | ||
144 | if (!cpu_isset(cpu, mm->cpu_vm_mask)) | ||
145 | cpu_set(cpu, mm->cpu_vm_mask); | ||
146 | |||
147 | load_secondary_context(mm); | ||
148 | __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); | ||
149 | tsb_context_switch(mm); | ||
150 | spin_unlock_irqrestore(&mm->context.lock, flags); | ||
151 | } | ||
152 | |||
153 | #endif /* !(__ASSEMBLY__) */ | ||
154 | |||
155 | #endif /* !(__SPARC64_MMU_CONTEXT_H) */ | ||
diff --git a/include/asm-sparc/module.h b/include/asm-sparc/module.h index cbd9e67b0c0b..516138fe681a 100644 --- a/include/asm-sparc/module.h +++ b/include/asm-sparc/module.h | |||
@@ -1,7 +1,8 @@ | |||
1 | #ifndef _ASM_SPARC_MODULE_H | 1 | #ifndef ___ASM_SPARC_MODULE_H |
2 | #define _ASM_SPARC_MODULE_H | 2 | #define ___ASM_SPARC_MODULE_H |
3 | struct mod_arch_specific { }; | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | #define Elf_Shdr Elf32_Shdr | 4 | #include <asm-sparc/module_64.h> |
5 | #define Elf_Sym Elf32_Sym | 5 | #else |
6 | #define Elf_Ehdr Elf32_Ehdr | 6 | #include <asm-sparc/module_32.h> |
7 | #endif /* _ASM_SPARC_MODULE_H */ | 7 | #endif |
8 | #endif | ||
diff --git a/include/asm-sparc/module_32.h b/include/asm-sparc/module_32.h new file mode 100644 index 000000000000..cbd9e67b0c0b --- /dev/null +++ b/include/asm-sparc/module_32.h | |||
@@ -0,0 +1,7 @@ | |||
1 | #ifndef _ASM_SPARC_MODULE_H | ||
2 | #define _ASM_SPARC_MODULE_H | ||
3 | struct mod_arch_specific { }; | ||
4 | #define Elf_Shdr Elf32_Shdr | ||
5 | #define Elf_Sym Elf32_Sym | ||
6 | #define Elf_Ehdr Elf32_Ehdr | ||
7 | #endif /* _ASM_SPARC_MODULE_H */ | ||
diff --git a/include/asm-sparc/module_64.h b/include/asm-sparc/module_64.h new file mode 100644 index 000000000000..3d77ba465783 --- /dev/null +++ b/include/asm-sparc/module_64.h | |||
@@ -0,0 +1,7 @@ | |||
1 | #ifndef _ASM_SPARC64_MODULE_H | ||
2 | #define _ASM_SPARC64_MODULE_H | ||
3 | struct mod_arch_specific { }; | ||
4 | #define Elf_Shdr Elf64_Shdr | ||
5 | #define Elf_Sym Elf64_Sym | ||
6 | #define Elf_Ehdr Elf64_Ehdr | ||
7 | #endif /* _ASM_SPARC64_MODULE_H */ | ||
diff --git a/include/asm-sparc/mostek.h b/include/asm-sparc/mostek.h index c35c916162fc..5b9f7fec7ee7 100644 --- a/include/asm-sparc/mostek.h +++ b/include/asm-sparc/mostek.h | |||
@@ -1,171 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_MOSTEK_H |
2 | * mostek.h: Describes the various Mostek time of day clock registers. | 2 | #define ___ASM_SPARC_MOSTEK_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/mostek_64.h> |
5 | * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) | ||
6 | * Added intersil code 05/25/98 Chris Davis (cdavis@cois.on.ca) | ||
7 | */ | ||
8 | |||
9 | #ifndef _SPARC_MOSTEK_H | ||
10 | #define _SPARC_MOSTEK_H | ||
11 | |||
12 | #include <asm/idprom.h> | ||
13 | #include <asm/io.h> | ||
14 | |||
15 | /* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) | ||
16 | * | ||
17 | * Data | ||
18 | * Address Function | ||
19 | * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 | ||
20 | * 7ff - - - - - - - - Year 00-99 | ||
21 | * 7fe 0 0 0 - - - - - Month 01-12 | ||
22 | * 7fd 0 0 - - - - - - Date 01-31 | ||
23 | * 7fc 0 FT 0 0 0 - - - Day 01-07 | ||
24 | * 7fb KS 0 - - - - - - Hours 00-23 | ||
25 | * 7fa 0 - - - - - - - Minutes 00-59 | ||
26 | * 7f9 ST - - - - - - - Seconds 00-59 | ||
27 | * 7f8 W R S - - - - - Control | ||
28 | * | ||
29 | * * ST is STOP BIT | ||
30 | * * W is WRITE BIT | ||
31 | * * R is READ BIT | ||
32 | * * S is SIGN BIT | ||
33 | * * FT is FREQ TEST BIT | ||
34 | * * KS is KICK START BIT | ||
35 | */ | ||
36 | |||
37 | /* The Mostek 48t02 real time clock and NVRAM chip. The registers | ||
38 | * other than the control register are in binary coded decimal. Some | ||
39 | * control bits also live outside the control register. | ||
40 | */ | ||
41 | #define mostek_read(_addr) readb(_addr) | ||
42 | #define mostek_write(_addr,_val) writeb(_val, _addr) | ||
43 | #define MOSTEK_EEPROM 0x0000UL | ||
44 | #define MOSTEK_IDPROM 0x07d8UL | ||
45 | #define MOSTEK_CREG 0x07f8UL | ||
46 | #define MOSTEK_SEC 0x07f9UL | ||
47 | #define MOSTEK_MIN 0x07faUL | ||
48 | #define MOSTEK_HOUR 0x07fbUL | ||
49 | #define MOSTEK_DOW 0x07fcUL | ||
50 | #define MOSTEK_DOM 0x07fdUL | ||
51 | #define MOSTEK_MONTH 0x07feUL | ||
52 | #define MOSTEK_YEAR 0x07ffUL | ||
53 | |||
54 | struct mostek48t02 { | ||
55 | volatile char eeprom[2008]; /* This is the eeprom, don't touch! */ | ||
56 | struct idprom idprom; /* The idprom lives here. */ | ||
57 | volatile unsigned char creg; /* Control register */ | ||
58 | volatile unsigned char sec; /* Seconds (0-59) */ | ||
59 | volatile unsigned char min; /* Minutes (0-59) */ | ||
60 | volatile unsigned char hour; /* Hour (0-23) */ | ||
61 | volatile unsigned char dow; /* Day of the week (1-7) */ | ||
62 | volatile unsigned char dom; /* Day of the month (1-31) */ | ||
63 | volatile unsigned char month; /* Month of year (1-12) */ | ||
64 | volatile unsigned char year; /* Year (0-99) */ | ||
65 | }; | ||
66 | |||
67 | extern spinlock_t mostek_lock; | ||
68 | extern void __iomem *mstk48t02_regs; | ||
69 | |||
70 | /* Control register values. */ | ||
71 | #define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ | ||
72 | #define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ | ||
73 | #define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ | ||
74 | |||
75 | /* Control bits that live in the other registers. */ | ||
76 | #define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ | ||
77 | #define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ | ||
78 | #define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ | ||
79 | |||
80 | #define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ | ||
81 | #define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) | ||
82 | |||
83 | /* Masks that define how much space each value takes up. */ | ||
84 | #define MSTK_SEC_MASK 0x7f | ||
85 | #define MSTK_MIN_MASK 0x7f | ||
86 | #define MSTK_HOUR_MASK 0x3f | ||
87 | #define MSTK_DOW_MASK 0x07 | ||
88 | #define MSTK_DOM_MASK 0x3f | ||
89 | #define MSTK_MONTH_MASK 0x1f | ||
90 | #define MSTK_YEAR_MASK 0xffU | ||
91 | |||
92 | /* Binary coded decimal conversion macros. */ | ||
93 | #define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) | ||
94 | #define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) | ||
95 | |||
96 | /* Generic register set and get macros for internal use. */ | ||
97 | #define MSTK_GET(regs,var,mask) (MSTK_REGVAL_TO_DECIMAL(((struct mostek48t02 *)regs)->var & MSTK_ ## mask ## _MASK)) | ||
98 | #define MSTK_SET(regs,var,value,mask) do { ((struct mostek48t02 *)regs)->var &= ~(MSTK_ ## mask ## _MASK); ((struct mostek48t02 *)regs)->var |= MSTK_DECIMAL_TO_REGVAL(value) & (MSTK_ ## mask ## _MASK); } while (0) | ||
99 | |||
100 | /* Macros to make register access easier on our fingers. These give you | ||
101 | * the decimal value of the register requested if applicable. You pass | ||
102 | * the a pointer to a 'struct mostek48t02'. | ||
103 | */ | ||
104 | #define MSTK_REG_CREG(regs) (((struct mostek48t02 *)regs)->creg) | ||
105 | #define MSTK_REG_SEC(regs) MSTK_GET(regs,sec,SEC) | ||
106 | #define MSTK_REG_MIN(regs) MSTK_GET(regs,min,MIN) | ||
107 | #define MSTK_REG_HOUR(regs) MSTK_GET(regs,hour,HOUR) | ||
108 | #define MSTK_REG_DOW(regs) MSTK_GET(regs,dow,DOW) | ||
109 | #define MSTK_REG_DOM(regs) MSTK_GET(regs,dom,DOM) | ||
110 | #define MSTK_REG_MONTH(regs) MSTK_GET(regs,month,MONTH) | ||
111 | #define MSTK_REG_YEAR(regs) MSTK_GET(regs,year,YEAR) | ||
112 | |||
113 | #define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,sec,value,SEC) | ||
114 | #define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,min,value,MIN) | ||
115 | #define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,hour,value,HOUR) | ||
116 | #define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,dow,value,DOW) | ||
117 | #define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,dom,value,DOM) | ||
118 | #define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,month,value,MONTH) | ||
119 | #define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,year,value,YEAR) | ||
120 | |||
121 | |||
122 | /* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the | ||
123 | * same (basically) layout of the 48t02 chip except for the extra | ||
124 | * NVRAM on board (8 KB against the 48t02's 2 KB). | ||
125 | */ | ||
126 | struct mostek48t08 { | ||
127 | char offset[6*1024]; /* Magic things may be here, who knows? */ | ||
128 | struct mostek48t02 regs; /* Here is what we are interested in. */ | ||
129 | }; | ||
130 | |||
131 | #ifdef CONFIG_SUN4 | ||
132 | enum sparc_clock_type { MSTK48T02, MSTK48T08, \ | ||
133 | INTERSIL, MSTK_INVALID }; | ||
134 | #else | 5 | #else |
135 | enum sparc_clock_type { MSTK48T02, MSTK48T08, \ | 6 | #include <asm-sparc/mostek_32.h> |
136 | MSTK_INVALID }; | ||
137 | #endif | 7 | #endif |
138 | |||
139 | #ifdef CONFIG_SUN4 | ||
140 | /* intersil on a sun 4/260 code data from harris doc */ | ||
141 | struct intersil_dt { | ||
142 | volatile unsigned char int_csec; | ||
143 | volatile unsigned char int_hour; | ||
144 | volatile unsigned char int_min; | ||
145 | volatile unsigned char int_sec; | ||
146 | volatile unsigned char int_month; | ||
147 | volatile unsigned char int_day; | ||
148 | volatile unsigned char int_year; | ||
149 | volatile unsigned char int_dow; | ||
150 | }; | ||
151 | |||
152 | struct intersil { | ||
153 | struct intersil_dt clk; | ||
154 | struct intersil_dt cmp; | ||
155 | volatile unsigned char int_intr_reg; | ||
156 | volatile unsigned char int_cmd_reg; | ||
157 | }; | ||
158 | |||
159 | #define INTERSIL_STOP 0x0 | ||
160 | #define INTERSIL_START 0x8 | ||
161 | #define INTERSIL_INTR_DISABLE 0x0 | ||
162 | #define INTERSIL_INTR_ENABLE 0x10 | ||
163 | #define INTERSIL_32K 0x0 | ||
164 | #define INTERSIL_NORMAL 0x0 | ||
165 | #define INTERSIL_24H 0x4 | ||
166 | #define INTERSIL_INT_100HZ 0x2 | ||
167 | |||
168 | /* end of intersil info */ | ||
169 | #endif | 8 | #endif |
170 | |||
171 | #endif /* !(_SPARC_MOSTEK_H) */ | ||
diff --git a/include/asm-sparc/mostek_32.h b/include/asm-sparc/mostek_32.h new file mode 100644 index 000000000000..a99590c4c507 --- /dev/null +++ b/include/asm-sparc/mostek_32.h | |||
@@ -0,0 +1,171 @@ | |||
1 | /* | ||
2 | * mostek.h: Describes the various Mostek time of day clock registers. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) | ||
6 | * Added intersil code 05/25/98 Chris Davis (cdavis@cois.on.ca) | ||
7 | */ | ||
8 | |||
9 | #ifndef _SPARC_MOSTEK_H | ||
10 | #define _SPARC_MOSTEK_H | ||
11 | |||
12 | #include <asm/idprom.h> | ||
13 | #include <asm/io.h> | ||
14 | |||
15 | /* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) | ||
16 | * | ||
17 | * Data | ||
18 | * Address Function | ||
19 | * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 | ||
20 | * 7ff - - - - - - - - Year 00-99 | ||
21 | * 7fe 0 0 0 - - - - - Month 01-12 | ||
22 | * 7fd 0 0 - - - - - - Date 01-31 | ||
23 | * 7fc 0 FT 0 0 0 - - - Day 01-07 | ||
24 | * 7fb KS 0 - - - - - - Hours 00-23 | ||
25 | * 7fa 0 - - - - - - - Minutes 00-59 | ||
26 | * 7f9 ST - - - - - - - Seconds 00-59 | ||
27 | * 7f8 W R S - - - - - Control | ||
28 | * | ||
29 | * * ST is STOP BIT | ||
30 | * * W is WRITE BIT | ||
31 | * * R is READ BIT | ||
32 | * * S is SIGN BIT | ||
33 | * * FT is FREQ TEST BIT | ||
34 | * * KS is KICK START BIT | ||
35 | */ | ||
36 | |||
37 | /* The Mostek 48t02 real time clock and NVRAM chip. The registers | ||
38 | * other than the control register are in binary coded decimal. Some | ||
39 | * control bits also live outside the control register. | ||
40 | */ | ||
41 | #define mostek_read(_addr) readb(_addr) | ||
42 | #define mostek_write(_addr,_val) writeb(_val, _addr) | ||
43 | #define MOSTEK_EEPROM 0x0000UL | ||
44 | #define MOSTEK_IDPROM 0x07d8UL | ||
45 | #define MOSTEK_CREG 0x07f8UL | ||
46 | #define MOSTEK_SEC 0x07f9UL | ||
47 | #define MOSTEK_MIN 0x07faUL | ||
48 | #define MOSTEK_HOUR 0x07fbUL | ||
49 | #define MOSTEK_DOW 0x07fcUL | ||
50 | #define MOSTEK_DOM 0x07fdUL | ||
51 | #define MOSTEK_MONTH 0x07feUL | ||
52 | #define MOSTEK_YEAR 0x07ffUL | ||
53 | |||
54 | struct mostek48t02 { | ||
55 | volatile char eeprom[2008]; /* This is the eeprom, don't touch! */ | ||
56 | struct idprom idprom; /* The idprom lives here. */ | ||
57 | volatile unsigned char creg; /* Control register */ | ||
58 | volatile unsigned char sec; /* Seconds (0-59) */ | ||
59 | volatile unsigned char min; /* Minutes (0-59) */ | ||
60 | volatile unsigned char hour; /* Hour (0-23) */ | ||
61 | volatile unsigned char dow; /* Day of the week (1-7) */ | ||
62 | volatile unsigned char dom; /* Day of the month (1-31) */ | ||
63 | volatile unsigned char month; /* Month of year (1-12) */ | ||
64 | volatile unsigned char year; /* Year (0-99) */ | ||
65 | }; | ||
66 | |||
67 | extern spinlock_t mostek_lock; | ||
68 | extern void __iomem *mstk48t02_regs; | ||
69 | |||
70 | /* Control register values. */ | ||
71 | #define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ | ||
72 | #define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ | ||
73 | #define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ | ||
74 | |||
75 | /* Control bits that live in the other registers. */ | ||
76 | #define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ | ||
77 | #define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ | ||
78 | #define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ | ||
79 | |||
80 | #define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ | ||
81 | #define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) | ||
82 | |||
83 | /* Masks that define how much space each value takes up. */ | ||
84 | #define MSTK_SEC_MASK 0x7f | ||
85 | #define MSTK_MIN_MASK 0x7f | ||
86 | #define MSTK_HOUR_MASK 0x3f | ||
87 | #define MSTK_DOW_MASK 0x07 | ||
88 | #define MSTK_DOM_MASK 0x3f | ||
89 | #define MSTK_MONTH_MASK 0x1f | ||
90 | #define MSTK_YEAR_MASK 0xffU | ||
91 | |||
92 | /* Binary coded decimal conversion macros. */ | ||
93 | #define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) | ||
94 | #define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) | ||
95 | |||
96 | /* Generic register set and get macros for internal use. */ | ||
97 | #define MSTK_GET(regs,var,mask) (MSTK_REGVAL_TO_DECIMAL(((struct mostek48t02 *)regs)->var & MSTK_ ## mask ## _MASK)) | ||
98 | #define MSTK_SET(regs,var,value,mask) do { ((struct mostek48t02 *)regs)->var &= ~(MSTK_ ## mask ## _MASK); ((struct mostek48t02 *)regs)->var |= MSTK_DECIMAL_TO_REGVAL(value) & (MSTK_ ## mask ## _MASK); } while (0) | ||
99 | |||
100 | /* Macros to make register access easier on our fingers. These give you | ||
101 | * the decimal value of the register requested if applicable. You pass | ||
102 | * the a pointer to a 'struct mostek48t02'. | ||
103 | */ | ||
104 | #define MSTK_REG_CREG(regs) (((struct mostek48t02 *)regs)->creg) | ||
105 | #define MSTK_REG_SEC(regs) MSTK_GET(regs,sec,SEC) | ||
106 | #define MSTK_REG_MIN(regs) MSTK_GET(regs,min,MIN) | ||
107 | #define MSTK_REG_HOUR(regs) MSTK_GET(regs,hour,HOUR) | ||
108 | #define MSTK_REG_DOW(regs) MSTK_GET(regs,dow,DOW) | ||
109 | #define MSTK_REG_DOM(regs) MSTK_GET(regs,dom,DOM) | ||
110 | #define MSTK_REG_MONTH(regs) MSTK_GET(regs,month,MONTH) | ||
111 | #define MSTK_REG_YEAR(regs) MSTK_GET(regs,year,YEAR) | ||
112 | |||
113 | #define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,sec,value,SEC) | ||
114 | #define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,min,value,MIN) | ||
115 | #define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,hour,value,HOUR) | ||
116 | #define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,dow,value,DOW) | ||
117 | #define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,dom,value,DOM) | ||
118 | #define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,month,value,MONTH) | ||
119 | #define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,year,value,YEAR) | ||
120 | |||
121 | |||
122 | /* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the | ||
123 | * same (basically) layout of the 48t02 chip except for the extra | ||
124 | * NVRAM on board (8 KB against the 48t02's 2 KB). | ||
125 | */ | ||
126 | struct mostek48t08 { | ||
127 | char offset[6*1024]; /* Magic things may be here, who knows? */ | ||
128 | struct mostek48t02 regs; /* Here is what we are interested in. */ | ||
129 | }; | ||
130 | |||
131 | #ifdef CONFIG_SUN4 | ||
132 | enum sparc_clock_type { MSTK48T02, MSTK48T08, \ | ||
133 | INTERSIL, MSTK_INVALID }; | ||
134 | #else | ||
135 | enum sparc_clock_type { MSTK48T02, MSTK48T08, \ | ||
136 | MSTK_INVALID }; | ||
137 | #endif | ||
138 | |||
139 | #ifdef CONFIG_SUN4 | ||
140 | /* intersil on a sun 4/260 code data from harris doc */ | ||
141 | struct intersil_dt { | ||
142 | volatile unsigned char int_csec; | ||
143 | volatile unsigned char int_hour; | ||
144 | volatile unsigned char int_min; | ||
145 | volatile unsigned char int_sec; | ||
146 | volatile unsigned char int_month; | ||
147 | volatile unsigned char int_day; | ||
148 | volatile unsigned char int_year; | ||
149 | volatile unsigned char int_dow; | ||
150 | }; | ||
151 | |||
152 | struct intersil { | ||
153 | struct intersil_dt clk; | ||
154 | struct intersil_dt cmp; | ||
155 | volatile unsigned char int_intr_reg; | ||
156 | volatile unsigned char int_cmd_reg; | ||
157 | }; | ||
158 | |||
159 | #define INTERSIL_STOP 0x0 | ||
160 | #define INTERSIL_START 0x8 | ||
161 | #define INTERSIL_INTR_DISABLE 0x0 | ||
162 | #define INTERSIL_INTR_ENABLE 0x10 | ||
163 | #define INTERSIL_32K 0x0 | ||
164 | #define INTERSIL_NORMAL 0x0 | ||
165 | #define INTERSIL_24H 0x4 | ||
166 | #define INTERSIL_INT_100HZ 0x2 | ||
167 | |||
168 | /* end of intersil info */ | ||
169 | #endif | ||
170 | |||
171 | #endif /* !(_SPARC_MOSTEK_H) */ | ||
diff --git a/include/asm-sparc/mostek_64.h b/include/asm-sparc/mostek_64.h new file mode 100644 index 000000000000..c5652de2ace2 --- /dev/null +++ b/include/asm-sparc/mostek_64.h | |||
@@ -0,0 +1,143 @@ | |||
1 | /* mostek.h: Describes the various Mostek time of day clock registers. | ||
2 | * | ||
3 | * Copyright (C) 1995 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_MOSTEK_H | ||
8 | #define _SPARC64_MOSTEK_H | ||
9 | |||
10 | #include <asm/idprom.h> | ||
11 | |||
12 | /* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) | ||
13 | * | ||
14 | * Data | ||
15 | * Address Function | ||
16 | * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 | ||
17 | * 7ff - - - - - - - - Year 00-99 | ||
18 | * 7fe 0 0 0 - - - - - Month 01-12 | ||
19 | * 7fd 0 0 - - - - - - Date 01-31 | ||
20 | * 7fc 0 FT 0 0 0 - - - Day 01-07 | ||
21 | * 7fb KS 0 - - - - - - Hours 00-23 | ||
22 | * 7fa 0 - - - - - - - Minutes 00-59 | ||
23 | * 7f9 ST - - - - - - - Seconds 00-59 | ||
24 | * 7f8 W R S - - - - - Control | ||
25 | * | ||
26 | * * ST is STOP BIT | ||
27 | * * W is WRITE BIT | ||
28 | * * R is READ BIT | ||
29 | * * S is SIGN BIT | ||
30 | * * FT is FREQ TEST BIT | ||
31 | * * KS is KICK START BIT | ||
32 | */ | ||
33 | |||
34 | /* The Mostek 48t02 real time clock and NVRAM chip. The registers | ||
35 | * other than the control register are in binary coded decimal. Some | ||
36 | * control bits also live outside the control register. | ||
37 | * | ||
38 | * We now deal with physical addresses for I/O to the chip. -DaveM | ||
39 | */ | ||
40 | static inline u8 mostek_read(void __iomem *addr) | ||
41 | { | ||
42 | u8 ret; | ||
43 | |||
44 | __asm__ __volatile__("lduba [%1] %2, %0" | ||
45 | : "=r" (ret) | ||
46 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
47 | return ret; | ||
48 | } | ||
49 | |||
50 | static inline void mostek_write(void __iomem *addr, u8 val) | ||
51 | { | ||
52 | __asm__ __volatile__("stba %0, [%1] %2" | ||
53 | : /* no outputs */ | ||
54 | : "r" (val), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
55 | } | ||
56 | |||
57 | #define MOSTEK_EEPROM 0x0000UL | ||
58 | #define MOSTEK_IDPROM 0x07d8UL | ||
59 | #define MOSTEK_CREG 0x07f8UL | ||
60 | #define MOSTEK_SEC 0x07f9UL | ||
61 | #define MOSTEK_MIN 0x07faUL | ||
62 | #define MOSTEK_HOUR 0x07fbUL | ||
63 | #define MOSTEK_DOW 0x07fcUL | ||
64 | #define MOSTEK_DOM 0x07fdUL | ||
65 | #define MOSTEK_MONTH 0x07feUL | ||
66 | #define MOSTEK_YEAR 0x07ffUL | ||
67 | |||
68 | extern spinlock_t mostek_lock; | ||
69 | extern void __iomem *mstk48t02_regs; | ||
70 | |||
71 | /* Control register values. */ | ||
72 | #define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ | ||
73 | #define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ | ||
74 | #define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ | ||
75 | |||
76 | /* Control bits that live in the other registers. */ | ||
77 | #define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ | ||
78 | #define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ | ||
79 | #define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ | ||
80 | |||
81 | #define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ | ||
82 | #define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) | ||
83 | |||
84 | /* Masks that define how much space each value takes up. */ | ||
85 | #define MSTK_SEC_MASK 0x7f | ||
86 | #define MSTK_MIN_MASK 0x7f | ||
87 | #define MSTK_HOUR_MASK 0x3f | ||
88 | #define MSTK_DOW_MASK 0x07 | ||
89 | #define MSTK_DOM_MASK 0x3f | ||
90 | #define MSTK_MONTH_MASK 0x1f | ||
91 | #define MSTK_YEAR_MASK 0xffU | ||
92 | |||
93 | /* Binary coded decimal conversion macros. */ | ||
94 | #define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) | ||
95 | #define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) | ||
96 | |||
97 | /* Generic register set and get macros for internal use. */ | ||
98 | #define MSTK_GET(regs,name) \ | ||
99 | (MSTK_REGVAL_TO_DECIMAL(mostek_read(regs + MOSTEK_ ## name) & MSTK_ ## name ## _MASK)) | ||
100 | #define MSTK_SET(regs,name,value) \ | ||
101 | do { u8 __val = mostek_read(regs + MOSTEK_ ## name); \ | ||
102 | __val &= ~(MSTK_ ## name ## _MASK); \ | ||
103 | __val |= (MSTK_DECIMAL_TO_REGVAL(value) & \ | ||
104 | (MSTK_ ## name ## _MASK)); \ | ||
105 | mostek_write(regs + MOSTEK_ ## name, __val); \ | ||
106 | } while(0) | ||
107 | |||
108 | /* Macros to make register access easier on our fingers. These give you | ||
109 | * the decimal value of the register requested if applicable. You pass | ||
110 | * the a pointer to a 'struct mostek48t02'. | ||
111 | */ | ||
112 | #define MSTK_REG_CREG(regs) (mostek_read((regs) + MOSTEK_CREG)) | ||
113 | #define MSTK_REG_SEC(regs) MSTK_GET(regs,SEC) | ||
114 | #define MSTK_REG_MIN(regs) MSTK_GET(regs,MIN) | ||
115 | #define MSTK_REG_HOUR(regs) MSTK_GET(regs,HOUR) | ||
116 | #define MSTK_REG_DOW(regs) MSTK_GET(regs,DOW) | ||
117 | #define MSTK_REG_DOM(regs) MSTK_GET(regs,DOM) | ||
118 | #define MSTK_REG_MONTH(regs) MSTK_GET(regs,MONTH) | ||
119 | #define MSTK_REG_YEAR(regs) MSTK_GET(regs,YEAR) | ||
120 | |||
121 | #define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,SEC,value) | ||
122 | #define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,MIN,value) | ||
123 | #define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,HOUR,value) | ||
124 | #define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,DOW,value) | ||
125 | #define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,DOM,value) | ||
126 | #define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,MONTH,value) | ||
127 | #define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,YEAR,value) | ||
128 | |||
129 | |||
130 | /* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the | ||
131 | * same (basically) layout of the 48t02 chip except for the extra | ||
132 | * NVRAM on board (8 KB against the 48t02's 2 KB). | ||
133 | */ | ||
134 | #define MOSTEK_48T08_OFFSET 0x0000UL /* Lower NVRAM portions */ | ||
135 | #define MOSTEK_48T08_48T02 0x1800UL /* Offset to 48T02 chip */ | ||
136 | |||
137 | /* SUN5 systems usually have 48t59 model clock chipsets. But we keep the older | ||
138 | * clock chip definitions around just in case. | ||
139 | */ | ||
140 | #define MOSTEK_48T59_OFFSET 0x0000UL /* Lower NVRAM portions */ | ||
141 | #define MOSTEK_48T59_48T02 0x1800UL /* Offset to 48T02 chip */ | ||
142 | |||
143 | #endif /* !(_SPARC64_MOSTEK_H) */ | ||
diff --git a/include/asm-sparc/namei.h b/include/asm-sparc/namei.h index 0646102fb020..eff944b8e321 100644 --- a/include/asm-sparc/namei.h +++ b/include/asm-sparc/namei.h | |||
@@ -1,13 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_NAMEI_H |
2 | * linux/include/asm-sparc/namei.h | 2 | #define ___ASM_SPARC_NAMEI_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Routines to handle famous /usr/gnemul/s*. | 4 | #include <asm-sparc/namei_64.h> |
5 | * Included from linux/fs/namei.c | 5 | #else |
6 | */ | 6 | #include <asm-sparc/namei_32.h> |
7 | 7 | #endif | |
8 | #ifndef __SPARC_NAMEI_H | 8 | #endif |
9 | #define __SPARC_NAMEI_H | ||
10 | |||
11 | #define __emul_prefix() NULL | ||
12 | |||
13 | #endif /* __SPARC_NAMEI_H */ | ||
diff --git a/include/asm-sparc/namei_32.h b/include/asm-sparc/namei_32.h new file mode 100644 index 000000000000..0646102fb020 --- /dev/null +++ b/include/asm-sparc/namei_32.h | |||
@@ -0,0 +1,13 @@ | |||
1 | /* | ||
2 | * linux/include/asm-sparc/namei.h | ||
3 | * | ||
4 | * Routines to handle famous /usr/gnemul/s*. | ||
5 | * Included from linux/fs/namei.c | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC_NAMEI_H | ||
9 | #define __SPARC_NAMEI_H | ||
10 | |||
11 | #define __emul_prefix() NULL | ||
12 | |||
13 | #endif /* __SPARC_NAMEI_H */ | ||
diff --git a/include/asm-sparc/namei_64.h b/include/asm-sparc/namei_64.h new file mode 100644 index 000000000000..cbc1b4c06891 --- /dev/null +++ b/include/asm-sparc/namei_64.h | |||
@@ -0,0 +1,13 @@ | |||
1 | /* | ||
2 | * linux/include/asm-sparc64/namei.h | ||
3 | * | ||
4 | * Routines to handle famous /usr/gnemul/s*. | ||
5 | * Included from linux/fs/namei.c | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_NAMEI_H | ||
9 | #define __SPARC64_NAMEI_H | ||
10 | |||
11 | #define __emul_prefix() NULL | ||
12 | |||
13 | #endif /* __SPARC64_NAMEI_H */ | ||
diff --git a/include/asm-sparc/of_platform.h b/include/asm-sparc/of_platform.h index 38334351c36b..851eb84d737e 100644 --- a/include/asm-sparc/of_platform.h +++ b/include/asm-sparc/of_platform.h | |||
@@ -1,24 +1,8 @@ | |||
1 | #ifndef _ASM_SPARC_OF_PLATFORM_H | 1 | #ifndef ___ASM_SPARC_OF_PLATFORM_H |
2 | #define _ASM_SPARC_OF_PLATFORM_H | 2 | #define ___ASM_SPARC_OF_PLATFORM_H |
3 | /* | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. | 4 | #include <asm-sparc/of_platform_64.h> |
5 | * <benh@kernel.crashing.org> | 5 | #else |
6 | * Modified for Sparc by merging parts of asm-sparc/of_device.h | 6 | #include <asm-sparc/of_platform_32.h> |
7 | * by Stephen Rothwell | 7 | #endif |
8 | * | 8 | #endif |
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version | ||
12 | * 2 of the License, or (at your option) any later version. | ||
13 | * | ||
14 | */ | ||
15 | |||
16 | /* This is just here during the transition */ | ||
17 | #include <linux/of_platform.h> | ||
18 | |||
19 | extern struct bus_type ebus_bus_type; | ||
20 | extern struct bus_type sbus_bus_type; | ||
21 | |||
22 | #define of_bus_type of_platform_bus_type /* for compatibility */ | ||
23 | |||
24 | #endif /* _ASM_SPARC_OF_PLATFORM_H */ | ||
diff --git a/include/asm-sparc/of_platform_32.h b/include/asm-sparc/of_platform_32.h new file mode 100644 index 000000000000..38334351c36b --- /dev/null +++ b/include/asm-sparc/of_platform_32.h | |||
@@ -0,0 +1,24 @@ | |||
1 | #ifndef _ASM_SPARC_OF_PLATFORM_H | ||
2 | #define _ASM_SPARC_OF_PLATFORM_H | ||
3 | /* | ||
4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. | ||
5 | * <benh@kernel.crashing.org> | ||
6 | * Modified for Sparc by merging parts of asm-sparc/of_device.h | ||
7 | * by Stephen Rothwell | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version | ||
12 | * 2 of the License, or (at your option) any later version. | ||
13 | * | ||
14 | */ | ||
15 | |||
16 | /* This is just here during the transition */ | ||
17 | #include <linux/of_platform.h> | ||
18 | |||
19 | extern struct bus_type ebus_bus_type; | ||
20 | extern struct bus_type sbus_bus_type; | ||
21 | |||
22 | #define of_bus_type of_platform_bus_type /* for compatibility */ | ||
23 | |||
24 | #endif /* _ASM_SPARC_OF_PLATFORM_H */ | ||
diff --git a/include/asm-sparc/of_platform_64.h b/include/asm-sparc/of_platform_64.h new file mode 100644 index 000000000000..78aa032b674c --- /dev/null +++ b/include/asm-sparc/of_platform_64.h | |||
@@ -0,0 +1,25 @@ | |||
1 | #ifndef _ASM_SPARC64_OF_PLATFORM_H | ||
2 | #define _ASM_SPARC64_OF_PLATFORM_H | ||
3 | /* | ||
4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. | ||
5 | * <benh@kernel.crashing.org> | ||
6 | * Modified for Sparc by merging parts of asm-sparc/of_device.h | ||
7 | * by Stephen Rothwell | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version | ||
12 | * 2 of the License, or (at your option) any later version. | ||
13 | * | ||
14 | */ | ||
15 | |||
16 | /* This is just here during the transition */ | ||
17 | #include <linux/of_platform.h> | ||
18 | |||
19 | extern struct bus_type isa_bus_type; | ||
20 | extern struct bus_type ebus_bus_type; | ||
21 | extern struct bus_type sbus_bus_type; | ||
22 | |||
23 | #define of_bus_type of_platform_bus_type /* for compatibility */ | ||
24 | |||
25 | #endif /* _ASM_SPARC64_OF_PLATFORM_H */ | ||
diff --git a/include/asm-sparc/openprom.h b/include/asm-sparc/openprom.h index e812cf3b0de7..8c349f061994 100644 --- a/include/asm-sparc/openprom.h +++ b/include/asm-sparc/openprom.h | |||
@@ -1,255 +1,8 @@ | |||
1 | #ifndef __SPARC_OPENPROM_H | 1 | #ifndef ___ASM_SPARC_OPENPROM_H |
2 | #define __SPARC_OPENPROM_H | 2 | #define ___ASM_SPARC_OPENPROM_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | 4 | #include <asm-sparc/openprom_64.h> |
5 | * prom routines and data areas. | 5 | #else |
6 | * | 6 | #include <asm-sparc/openprom_32.h> |
7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 7 | #endif |
8 | */ | 8 | #endif |
9 | |||
10 | /* Empirical constants... */ | ||
11 | #define LINUX_OPPROM_MAGIC 0x10010407 | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | /* V0 prom device operations. */ | ||
15 | struct linux_dev_v0_funcs { | ||
16 | int (*v0_devopen)(char *device_str); | ||
17 | int (*v0_devclose)(int dev_desc); | ||
18 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
19 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
20 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | ||
21 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | ||
22 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
23 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
24 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | ||
25 | }; | ||
26 | |||
27 | /* V2 and later prom device operations. */ | ||
28 | struct linux_dev_v2_funcs { | ||
29 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | ||
30 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | ||
31 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | ||
32 | |||
33 | /* To map devices into virtual I/O space. */ | ||
34 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | ||
35 | void (*v2_dumb_munmap)(char *virta, unsigned size); | ||
36 | |||
37 | int (*v2_dev_open)(char *devpath); | ||
38 | void (*v2_dev_close)(int d); | ||
39 | int (*v2_dev_read)(int d, char *buf, int nbytes); | ||
40 | int (*v2_dev_write)(int d, char *buf, int nbytes); | ||
41 | int (*v2_dev_seek)(int d, int hi, int lo); | ||
42 | |||
43 | /* Never issued (multistage load support) */ | ||
44 | void (*v2_wheee2)(void); | ||
45 | void (*v2_wheee3)(void); | ||
46 | }; | ||
47 | |||
48 | struct linux_mlist_v0 { | ||
49 | struct linux_mlist_v0 *theres_more; | ||
50 | char *start_adr; | ||
51 | unsigned num_bytes; | ||
52 | }; | ||
53 | |||
54 | struct linux_mem_v0 { | ||
55 | struct linux_mlist_v0 **v0_totphys; | ||
56 | struct linux_mlist_v0 **v0_prommap; | ||
57 | struct linux_mlist_v0 **v0_available; /* What we can use */ | ||
58 | }; | ||
59 | |||
60 | /* Arguments sent to the kernel from the boot prompt. */ | ||
61 | struct linux_arguments_v0 { | ||
62 | char *argv[8]; | ||
63 | char args[100]; | ||
64 | char boot_dev[2]; | ||
65 | int boot_dev_ctrl; | ||
66 | int boot_dev_unit; | ||
67 | int dev_partition; | ||
68 | char *kernel_file_name; | ||
69 | void *aieee1; /* XXX */ | ||
70 | }; | ||
71 | |||
72 | /* V2 and up boot things. */ | ||
73 | struct linux_bootargs_v2 { | ||
74 | char **bootpath; | ||
75 | char **bootargs; | ||
76 | int *fd_stdin; | ||
77 | int *fd_stdout; | ||
78 | }; | ||
79 | |||
80 | /* The top level PROM vector. */ | ||
81 | struct linux_romvec { | ||
82 | /* Version numbers. */ | ||
83 | unsigned int pv_magic_cookie; | ||
84 | unsigned int pv_romvers; | ||
85 | unsigned int pv_plugin_revision; | ||
86 | unsigned int pv_printrev; | ||
87 | |||
88 | /* Version 0 memory descriptors. */ | ||
89 | struct linux_mem_v0 pv_v0mem; | ||
90 | |||
91 | /* Node operations. */ | ||
92 | struct linux_nodeops *pv_nodeops; | ||
93 | |||
94 | char **pv_bootstr; | ||
95 | struct linux_dev_v0_funcs pv_v0devops; | ||
96 | |||
97 | char *pv_stdin; | ||
98 | char *pv_stdout; | ||
99 | #define PROMDEV_KBD 0 /* input from keyboard */ | ||
100 | #define PROMDEV_SCREEN 0 /* output to screen */ | ||
101 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | ||
102 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | ||
103 | |||
104 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | ||
105 | int (*pv_getchar)(void); | ||
106 | void (*pv_putchar)(int ch); | ||
107 | |||
108 | /* Non-blocking variants. */ | ||
109 | int (*pv_nbgetchar)(void); | ||
110 | int (*pv_nbputchar)(int ch); | ||
111 | |||
112 | void (*pv_putstr)(char *str, int len); | ||
113 | |||
114 | /* Miscellany. */ | ||
115 | void (*pv_reboot)(char *bootstr); | ||
116 | void (*pv_printf)(__const__ char *fmt, ...); | ||
117 | void (*pv_abort)(void); | ||
118 | __volatile__ int *pv_ticks; | ||
119 | void (*pv_halt)(void); | ||
120 | void (**pv_synchook)(void); | ||
121 | |||
122 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | ||
123 | union { | ||
124 | void (*v0_eval)(int len, char *str); | ||
125 | void (*v2_eval)(char *str); | ||
126 | } pv_fortheval; | ||
127 | |||
128 | struct linux_arguments_v0 **pv_v0bootargs; | ||
129 | |||
130 | /* Get ether address. */ | ||
131 | unsigned int (*pv_enaddr)(int d, char *enaddr); | ||
132 | |||
133 | struct linux_bootargs_v2 pv_v2bootargs; | ||
134 | struct linux_dev_v2_funcs pv_v2devops; | ||
135 | |||
136 | int filler[15]; | ||
137 | |||
138 | /* This one is sun4c/sun4 only. */ | ||
139 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | ||
140 | |||
141 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | ||
142 | * No joke. Calling these when there is only one cpu probably | ||
143 | * crashes the machine, have to test this. :-) | ||
144 | */ | ||
145 | |||
146 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | ||
147 | * 'thiscontext' executing at address 'prog_counter' | ||
148 | */ | ||
149 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | ||
150 | int thiscontext, char *prog_counter); | ||
151 | |||
152 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | ||
153 | * until a resume cpu call is made. | ||
154 | */ | ||
155 | int (*v3_cpustop)(unsigned int whichcpu); | ||
156 | |||
157 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | ||
158 | * resume cpu call is made. | ||
159 | */ | ||
160 | int (*v3_cpuidle)(unsigned int whichcpu); | ||
161 | |||
162 | /* v3_cpuresume() will resume processor 'whichcpu' executing | ||
163 | * starting with whatever 'pc' and 'npc' were left at the | ||
164 | * last 'idle' or 'stop' call. | ||
165 | */ | ||
166 | int (*v3_cpuresume)(unsigned int whichcpu); | ||
167 | }; | ||
168 | |||
169 | /* Routines for traversing the prom device tree. */ | ||
170 | struct linux_nodeops { | ||
171 | int (*no_nextnode)(int node); | ||
172 | int (*no_child)(int node); | ||
173 | int (*no_proplen)(int node, char *name); | ||
174 | int (*no_getprop)(int node, char *name, char *val); | ||
175 | int (*no_setprop)(int node, char *name, char *val, int len); | ||
176 | char * (*no_nextprop)(int node, char *name); | ||
177 | }; | ||
178 | |||
179 | /* More fun PROM structures for device probing. */ | ||
180 | #define PROMREG_MAX 16 | ||
181 | #define PROMVADDR_MAX 16 | ||
182 | #define PROMINTR_MAX 15 | ||
183 | |||
184 | struct linux_prom_registers { | ||
185 | unsigned int which_io; /* is this in OBIO space? */ | ||
186 | unsigned int phys_addr; /* The physical address of this register */ | ||
187 | unsigned int reg_size; /* How many bytes does this register take up? */ | ||
188 | }; | ||
189 | |||
190 | struct linux_prom_irqs { | ||
191 | int pri; /* IRQ priority */ | ||
192 | int vector; /* This is foobar, what does it do? */ | ||
193 | }; | ||
194 | |||
195 | /* Element of the "ranges" vector */ | ||
196 | struct linux_prom_ranges { | ||
197 | unsigned int ot_child_space; | ||
198 | unsigned int ot_child_base; /* Bus feels this */ | ||
199 | unsigned int ot_parent_space; | ||
200 | unsigned int ot_parent_base; /* CPU looks from here */ | ||
201 | unsigned int or_size; | ||
202 | }; | ||
203 | |||
204 | /* Ranges and reg properties are a bit different for PCI. */ | ||
205 | struct linux_prom_pci_registers { | ||
206 | /* | ||
207 | * We don't know what information this field contain. | ||
208 | * We guess, PCI device function is in bits 15:8 | ||
209 | * So, ... | ||
210 | */ | ||
211 | unsigned int which_io; /* Let it be which_io */ | ||
212 | |||
213 | unsigned int phys_hi; | ||
214 | unsigned int phys_lo; | ||
215 | |||
216 | unsigned int size_hi; | ||
217 | unsigned int size_lo; | ||
218 | }; | ||
219 | |||
220 | struct linux_prom_pci_ranges { | ||
221 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | ||
222 | unsigned int child_phys_mid; | ||
223 | unsigned int child_phys_lo; | ||
224 | |||
225 | unsigned int parent_phys_hi; | ||
226 | unsigned int parent_phys_lo; | ||
227 | |||
228 | unsigned int size_hi; | ||
229 | unsigned int size_lo; | ||
230 | }; | ||
231 | |||
232 | struct linux_prom_pci_assigned_addresses { | ||
233 | unsigned int which_io; | ||
234 | |||
235 | unsigned int phys_hi; | ||
236 | unsigned int phys_lo; | ||
237 | |||
238 | unsigned int size_hi; | ||
239 | unsigned int size_lo; | ||
240 | }; | ||
241 | |||
242 | struct linux_prom_ebus_ranges { | ||
243 | unsigned int child_phys_hi; | ||
244 | unsigned int child_phys_lo; | ||
245 | |||
246 | unsigned int parent_phys_hi; | ||
247 | unsigned int parent_phys_mid; | ||
248 | unsigned int parent_phys_lo; | ||
249 | |||
250 | unsigned int size; | ||
251 | }; | ||
252 | |||
253 | #endif /* !(__ASSEMBLY__) */ | ||
254 | |||
255 | #endif /* !(__SPARC_OPENPROM_H) */ | ||
diff --git a/include/asm-sparc/openprom_32.h b/include/asm-sparc/openprom_32.h new file mode 100644 index 000000000000..8b1649f29ed9 --- /dev/null +++ b/include/asm-sparc/openprom_32.h | |||
@@ -0,0 +1,255 @@ | |||
1 | #ifndef __SPARC_OPENPROM_H | ||
2 | #define __SPARC_OPENPROM_H | ||
3 | |||
4 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | ||
5 | * prom routines and data areas. | ||
6 | * | ||
7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
8 | */ | ||
9 | |||
10 | /* Empirical constants... */ | ||
11 | #define LINUX_OPPROM_MAGIC 0x10010407 | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | /* V0 prom device operations. */ | ||
15 | struct linux_dev_v0_funcs { | ||
16 | int (*v0_devopen)(char *device_str); | ||
17 | int (*v0_devclose)(int dev_desc); | ||
18 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
19 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
20 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | ||
21 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | ||
22 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
23 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
24 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | ||
25 | }; | ||
26 | |||
27 | /* V2 and later prom device operations. */ | ||
28 | struct linux_dev_v2_funcs { | ||
29 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | ||
30 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | ||
31 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | ||
32 | |||
33 | /* To map devices into virtual I/O space. */ | ||
34 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | ||
35 | void (*v2_dumb_munmap)(char *virta, unsigned size); | ||
36 | |||
37 | int (*v2_dev_open)(char *devpath); | ||
38 | void (*v2_dev_close)(int d); | ||
39 | int (*v2_dev_read)(int d, char *buf, int nbytes); | ||
40 | int (*v2_dev_write)(int d, char *buf, int nbytes); | ||
41 | int (*v2_dev_seek)(int d, int hi, int lo); | ||
42 | |||
43 | /* Never issued (multistage load support) */ | ||
44 | void (*v2_wheee2)(void); | ||
45 | void (*v2_wheee3)(void); | ||
46 | }; | ||
47 | |||
48 | struct linux_mlist_v0 { | ||
49 | struct linux_mlist_v0 *theres_more; | ||
50 | char *start_adr; | ||
51 | unsigned num_bytes; | ||
52 | }; | ||
53 | |||
54 | struct linux_mem_v0 { | ||
55 | struct linux_mlist_v0 **v0_totphys; | ||
56 | struct linux_mlist_v0 **v0_prommap; | ||
57 | struct linux_mlist_v0 **v0_available; /* What we can use */ | ||
58 | }; | ||
59 | |||
60 | /* Arguments sent to the kernel from the boot prompt. */ | ||
61 | struct linux_arguments_v0 { | ||
62 | char *argv[8]; | ||
63 | char args[100]; | ||
64 | char boot_dev[2]; | ||
65 | int boot_dev_ctrl; | ||
66 | int boot_dev_unit; | ||
67 | int dev_partition; | ||
68 | char *kernel_file_name; | ||
69 | void *aieee1; /* XXX */ | ||
70 | }; | ||
71 | |||
72 | /* V2 and up boot things. */ | ||
73 | struct linux_bootargs_v2 { | ||
74 | char **bootpath; | ||
75 | char **bootargs; | ||
76 | int *fd_stdin; | ||
77 | int *fd_stdout; | ||
78 | }; | ||
79 | |||
80 | /* The top level PROM vector. */ | ||
81 | struct linux_romvec { | ||
82 | /* Version numbers. */ | ||
83 | unsigned int pv_magic_cookie; | ||
84 | unsigned int pv_romvers; | ||
85 | unsigned int pv_plugin_revision; | ||
86 | unsigned int pv_printrev; | ||
87 | |||
88 | /* Version 0 memory descriptors. */ | ||
89 | struct linux_mem_v0 pv_v0mem; | ||
90 | |||
91 | /* Node operations. */ | ||
92 | struct linux_nodeops *pv_nodeops; | ||
93 | |||
94 | char **pv_bootstr; | ||
95 | struct linux_dev_v0_funcs pv_v0devops; | ||
96 | |||
97 | char *pv_stdin; | ||
98 | char *pv_stdout; | ||
99 | #define PROMDEV_KBD 0 /* input from keyboard */ | ||
100 | #define PROMDEV_SCREEN 0 /* output to screen */ | ||
101 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | ||
102 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | ||
103 | |||
104 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | ||
105 | int (*pv_getchar)(void); | ||
106 | void (*pv_putchar)(int ch); | ||
107 | |||
108 | /* Non-blocking variants. */ | ||
109 | int (*pv_nbgetchar)(void); | ||
110 | int (*pv_nbputchar)(int ch); | ||
111 | |||
112 | void (*pv_putstr)(char *str, int len); | ||
113 | |||
114 | /* Miscellany. */ | ||
115 | void (*pv_reboot)(char *bootstr); | ||
116 | void (*pv_printf)(__const__ char *fmt, ...); | ||
117 | void (*pv_abort)(void); | ||
118 | __volatile__ int *pv_ticks; | ||
119 | void (*pv_halt)(void); | ||
120 | void (**pv_synchook)(void); | ||
121 | |||
122 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | ||
123 | union { | ||
124 | void (*v0_eval)(int len, char *str); | ||
125 | void (*v2_eval)(char *str); | ||
126 | } pv_fortheval; | ||
127 | |||
128 | struct linux_arguments_v0 **pv_v0bootargs; | ||
129 | |||
130 | /* Get ether address. */ | ||
131 | unsigned int (*pv_enaddr)(int d, char *enaddr); | ||
132 | |||
133 | struct linux_bootargs_v2 pv_v2bootargs; | ||
134 | struct linux_dev_v2_funcs pv_v2devops; | ||
135 | |||
136 | int filler[15]; | ||
137 | |||
138 | /* This one is sun4c/sun4 only. */ | ||
139 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | ||
140 | |||
141 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | ||
142 | * No joke. Calling these when there is only one cpu probably | ||
143 | * crashes the machine, have to test this. :-) | ||
144 | */ | ||
145 | |||
146 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | ||
147 | * 'thiscontext' executing at address 'prog_counter' | ||
148 | */ | ||
149 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | ||
150 | int thiscontext, char *prog_counter); | ||
151 | |||
152 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | ||
153 | * until a resume cpu call is made. | ||
154 | */ | ||
155 | int (*v3_cpustop)(unsigned int whichcpu); | ||
156 | |||
157 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | ||
158 | * resume cpu call is made. | ||
159 | */ | ||
160 | int (*v3_cpuidle)(unsigned int whichcpu); | ||
161 | |||
162 | /* v3_cpuresume() will resume processor 'whichcpu' executing | ||
163 | * starting with whatever 'pc' and 'npc' were left at the | ||
164 | * last 'idle' or 'stop' call. | ||
165 | */ | ||
166 | int (*v3_cpuresume)(unsigned int whichcpu); | ||
167 | }; | ||
168 | |||
169 | /* Routines for traversing the prom device tree. */ | ||
170 | struct linux_nodeops { | ||
171 | int (*no_nextnode)(int node); | ||
172 | int (*no_child)(int node); | ||
173 | int (*no_proplen)(int node, char *name); | ||
174 | int (*no_getprop)(int node, char *name, char *val); | ||
175 | int (*no_setprop)(int node, char *name, char *val, int len); | ||
176 | char * (*no_nextprop)(int node, char *name); | ||
177 | }; | ||
178 | |||
179 | /* More fun PROM structures for device probing. */ | ||
180 | #define PROMREG_MAX 16 | ||
181 | #define PROMVADDR_MAX 16 | ||
182 | #define PROMINTR_MAX 15 | ||
183 | |||
184 | struct linux_prom_registers { | ||
185 | unsigned int which_io; /* is this in OBIO space? */ | ||
186 | unsigned int phys_addr; /* The physical address of this register */ | ||
187 | unsigned int reg_size; /* How many bytes does this register take up? */ | ||
188 | }; | ||
189 | |||
190 | struct linux_prom_irqs { | ||
191 | int pri; /* IRQ priority */ | ||
192 | int vector; /* This is foobar, what does it do? */ | ||
193 | }; | ||
194 | |||
195 | /* Element of the "ranges" vector */ | ||
196 | struct linux_prom_ranges { | ||
197 | unsigned int ot_child_space; | ||
198 | unsigned int ot_child_base; /* Bus feels this */ | ||
199 | unsigned int ot_parent_space; | ||
200 | unsigned int ot_parent_base; /* CPU looks from here */ | ||
201 | unsigned int or_size; | ||
202 | }; | ||
203 | |||
204 | /* Ranges and reg properties are a bit different for PCI. */ | ||
205 | struct linux_prom_pci_registers { | ||
206 | /* | ||
207 | * We don't know what information this field contain. | ||
208 | * We guess, PCI device function is in bits 15:8 | ||
209 | * So, ... | ||
210 | */ | ||
211 | unsigned int which_io; /* Let it be which_io */ | ||
212 | |||
213 | unsigned int phys_hi; | ||
214 | unsigned int phys_lo; | ||
215 | |||
216 | unsigned int size_hi; | ||
217 | unsigned int size_lo; | ||
218 | }; | ||
219 | |||
220 | struct linux_prom_pci_ranges { | ||
221 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | ||
222 | unsigned int child_phys_mid; | ||
223 | unsigned int child_phys_lo; | ||
224 | |||
225 | unsigned int parent_phys_hi; | ||
226 | unsigned int parent_phys_lo; | ||
227 | |||
228 | unsigned int size_hi; | ||
229 | unsigned int size_lo; | ||
230 | }; | ||
231 | |||
232 | struct linux_prom_pci_assigned_addresses { | ||
233 | unsigned int which_io; | ||
234 | |||
235 | unsigned int phys_hi; | ||
236 | unsigned int phys_lo; | ||
237 | |||
238 | unsigned int size_hi; | ||
239 | unsigned int size_lo; | ||
240 | }; | ||
241 | |||
242 | struct linux_prom_ebus_ranges { | ||
243 | unsigned int child_phys_hi; | ||
244 | unsigned int child_phys_lo; | ||
245 | |||
246 | unsigned int parent_phys_hi; | ||
247 | unsigned int parent_phys_mid; | ||
248 | unsigned int parent_phys_lo; | ||
249 | |||
250 | unsigned int size; | ||
251 | }; | ||
252 | |||
253 | #endif /* !(__ASSEMBLY__) */ | ||
254 | |||
255 | #endif /* !(__SPARC_OPENPROM_H) */ | ||
diff --git a/include/asm-sparc/openprom_64.h b/include/asm-sparc/openprom_64.h new file mode 100644 index 000000000000..b69e4a8c9170 --- /dev/null +++ b/include/asm-sparc/openprom_64.h | |||
@@ -0,0 +1,280 @@ | |||
1 | #ifndef __SPARC64_OPENPROM_H | ||
2 | #define __SPARC64_OPENPROM_H | ||
3 | |||
4 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | ||
5 | * prom routines and data areas. | ||
6 | * | ||
7 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
8 | */ | ||
9 | |||
10 | #ifndef __ASSEMBLY__ | ||
11 | /* V0 prom device operations. */ | ||
12 | struct linux_dev_v0_funcs { | ||
13 | int (*v0_devopen)(char *device_str); | ||
14 | int (*v0_devclose)(int dev_desc); | ||
15 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
16 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
17 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | ||
18 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | ||
19 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
20 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
21 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | ||
22 | }; | ||
23 | |||
24 | /* V2 and later prom device operations. */ | ||
25 | struct linux_dev_v2_funcs { | ||
26 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | ||
27 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | ||
28 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | ||
29 | |||
30 | /* To map devices into virtual I/O space. */ | ||
31 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | ||
32 | void (*v2_dumb_munmap)(char *virta, unsigned size); | ||
33 | |||
34 | int (*v2_dev_open)(char *devpath); | ||
35 | void (*v2_dev_close)(int d); | ||
36 | int (*v2_dev_read)(int d, char *buf, int nbytes); | ||
37 | int (*v2_dev_write)(int d, char *buf, int nbytes); | ||
38 | int (*v2_dev_seek)(int d, int hi, int lo); | ||
39 | |||
40 | /* Never issued (multistage load support) */ | ||
41 | void (*v2_wheee2)(void); | ||
42 | void (*v2_wheee3)(void); | ||
43 | }; | ||
44 | |||
45 | struct linux_mlist_v0 { | ||
46 | struct linux_mlist_v0 *theres_more; | ||
47 | unsigned start_adr; | ||
48 | unsigned num_bytes; | ||
49 | }; | ||
50 | |||
51 | struct linux_mem_v0 { | ||
52 | struct linux_mlist_v0 **v0_totphys; | ||
53 | struct linux_mlist_v0 **v0_prommap; | ||
54 | struct linux_mlist_v0 **v0_available; /* What we can use */ | ||
55 | }; | ||
56 | |||
57 | /* Arguments sent to the kernel from the boot prompt. */ | ||
58 | struct linux_arguments_v0 { | ||
59 | char *argv[8]; | ||
60 | char args[100]; | ||
61 | char boot_dev[2]; | ||
62 | int boot_dev_ctrl; | ||
63 | int boot_dev_unit; | ||
64 | int dev_partition; | ||
65 | char *kernel_file_name; | ||
66 | void *aieee1; /* XXX */ | ||
67 | }; | ||
68 | |||
69 | /* V2 and up boot things. */ | ||
70 | struct linux_bootargs_v2 { | ||
71 | char **bootpath; | ||
72 | char **bootargs; | ||
73 | int *fd_stdin; | ||
74 | int *fd_stdout; | ||
75 | }; | ||
76 | |||
77 | /* The top level PROM vector. */ | ||
78 | struct linux_romvec { | ||
79 | /* Version numbers. */ | ||
80 | unsigned int pv_magic_cookie; | ||
81 | unsigned int pv_romvers; | ||
82 | unsigned int pv_plugin_revision; | ||
83 | unsigned int pv_printrev; | ||
84 | |||
85 | /* Version 0 memory descriptors. */ | ||
86 | struct linux_mem_v0 pv_v0mem; | ||
87 | |||
88 | /* Node operations. */ | ||
89 | struct linux_nodeops *pv_nodeops; | ||
90 | |||
91 | char **pv_bootstr; | ||
92 | struct linux_dev_v0_funcs pv_v0devops; | ||
93 | |||
94 | char *pv_stdin; | ||
95 | char *pv_stdout; | ||
96 | #define PROMDEV_KBD 0 /* input from keyboard */ | ||
97 | #define PROMDEV_SCREEN 0 /* output to screen */ | ||
98 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | ||
99 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | ||
100 | |||
101 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | ||
102 | int (*pv_getchar)(void); | ||
103 | void (*pv_putchar)(int ch); | ||
104 | |||
105 | /* Non-blocking variants. */ | ||
106 | int (*pv_nbgetchar)(void); | ||
107 | int (*pv_nbputchar)(int ch); | ||
108 | |||
109 | void (*pv_putstr)(char *str, int len); | ||
110 | |||
111 | /* Miscellany. */ | ||
112 | void (*pv_reboot)(char *bootstr); | ||
113 | void (*pv_printf)(__const__ char *fmt, ...); | ||
114 | void (*pv_abort)(void); | ||
115 | __volatile__ int *pv_ticks; | ||
116 | void (*pv_halt)(void); | ||
117 | void (**pv_synchook)(void); | ||
118 | |||
119 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | ||
120 | union { | ||
121 | void (*v0_eval)(int len, char *str); | ||
122 | void (*v2_eval)(char *str); | ||
123 | } pv_fortheval; | ||
124 | |||
125 | struct linux_arguments_v0 **pv_v0bootargs; | ||
126 | |||
127 | /* Get ether address. */ | ||
128 | unsigned int (*pv_enaddr)(int d, char *enaddr); | ||
129 | |||
130 | struct linux_bootargs_v2 pv_v2bootargs; | ||
131 | struct linux_dev_v2_funcs pv_v2devops; | ||
132 | |||
133 | int filler[15]; | ||
134 | |||
135 | /* This one is sun4c/sun4 only. */ | ||
136 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | ||
137 | |||
138 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | ||
139 | * No joke. Calling these when there is only one cpu probably | ||
140 | * crashes the machine, have to test this. :-) | ||
141 | */ | ||
142 | |||
143 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | ||
144 | * 'thiscontext' executing at address 'prog_counter' | ||
145 | */ | ||
146 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | ||
147 | int thiscontext, char *prog_counter); | ||
148 | |||
149 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | ||
150 | * until a resume cpu call is made. | ||
151 | */ | ||
152 | int (*v3_cpustop)(unsigned int whichcpu); | ||
153 | |||
154 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | ||
155 | * resume cpu call is made. | ||
156 | */ | ||
157 | int (*v3_cpuidle)(unsigned int whichcpu); | ||
158 | |||
159 | /* v3_cpuresume() will resume processor 'whichcpu' executing | ||
160 | * starting with whatever 'pc' and 'npc' were left at the | ||
161 | * last 'idle' or 'stop' call. | ||
162 | */ | ||
163 | int (*v3_cpuresume)(unsigned int whichcpu); | ||
164 | }; | ||
165 | |||
166 | /* Routines for traversing the prom device tree. */ | ||
167 | struct linux_nodeops { | ||
168 | int (*no_nextnode)(int node); | ||
169 | int (*no_child)(int node); | ||
170 | int (*no_proplen)(int node, char *name); | ||
171 | int (*no_getprop)(int node, char *name, char *val); | ||
172 | int (*no_setprop)(int node, char *name, char *val, int len); | ||
173 | char * (*no_nextprop)(int node, char *name); | ||
174 | }; | ||
175 | |||
176 | /* More fun PROM structures for device probing. */ | ||
177 | #define PROMREG_MAX 24 | ||
178 | #define PROMVADDR_MAX 16 | ||
179 | #define PROMINTR_MAX 32 | ||
180 | |||
181 | struct linux_prom_registers { | ||
182 | unsigned which_io; /* hi part of physical address */ | ||
183 | unsigned phys_addr; /* The physical address of this register */ | ||
184 | int reg_size; /* How many bytes does this register take up? */ | ||
185 | }; | ||
186 | |||
187 | struct linux_prom64_registers { | ||
188 | unsigned long phys_addr; | ||
189 | unsigned long reg_size; | ||
190 | }; | ||
191 | |||
192 | struct linux_prom_irqs { | ||
193 | int pri; /* IRQ priority */ | ||
194 | int vector; /* This is foobar, what does it do? */ | ||
195 | }; | ||
196 | |||
197 | /* Element of the "ranges" vector */ | ||
198 | struct linux_prom_ranges { | ||
199 | unsigned int ot_child_space; | ||
200 | unsigned int ot_child_base; /* Bus feels this */ | ||
201 | unsigned int ot_parent_space; | ||
202 | unsigned int ot_parent_base; /* CPU looks from here */ | ||
203 | unsigned int or_size; | ||
204 | }; | ||
205 | |||
206 | struct linux_prom64_ranges { | ||
207 | unsigned long ot_child_base; /* Bus feels this */ | ||
208 | unsigned long ot_parent_base; /* CPU looks from here */ | ||
209 | unsigned long or_size; | ||
210 | }; | ||
211 | |||
212 | /* Ranges and reg properties are a bit different for PCI. */ | ||
213 | struct linux_prom_pci_registers { | ||
214 | unsigned int phys_hi; | ||
215 | unsigned int phys_mid; | ||
216 | unsigned int phys_lo; | ||
217 | |||
218 | unsigned int size_hi; | ||
219 | unsigned int size_lo; | ||
220 | }; | ||
221 | |||
222 | struct linux_prom_pci_ranges { | ||
223 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | ||
224 | unsigned int child_phys_mid; | ||
225 | unsigned int child_phys_lo; | ||
226 | |||
227 | unsigned int parent_phys_hi; | ||
228 | unsigned int parent_phys_lo; | ||
229 | |||
230 | unsigned int size_hi; | ||
231 | unsigned int size_lo; | ||
232 | }; | ||
233 | |||
234 | struct linux_prom_pci_intmap { | ||
235 | unsigned int phys_hi; | ||
236 | unsigned int phys_mid; | ||
237 | unsigned int phys_lo; | ||
238 | |||
239 | unsigned int interrupt; | ||
240 | |||
241 | int cnode; | ||
242 | unsigned int cinterrupt; | ||
243 | }; | ||
244 | |||
245 | struct linux_prom_pci_intmask { | ||
246 | unsigned int phys_hi; | ||
247 | unsigned int phys_mid; | ||
248 | unsigned int phys_lo; | ||
249 | unsigned int interrupt; | ||
250 | }; | ||
251 | |||
252 | struct linux_prom_ebus_ranges { | ||
253 | unsigned int child_phys_hi; | ||
254 | unsigned int child_phys_lo; | ||
255 | |||
256 | unsigned int parent_phys_hi; | ||
257 | unsigned int parent_phys_mid; | ||
258 | unsigned int parent_phys_lo; | ||
259 | |||
260 | unsigned int size; | ||
261 | }; | ||
262 | |||
263 | struct linux_prom_ebus_intmap { | ||
264 | unsigned int phys_hi; | ||
265 | unsigned int phys_lo; | ||
266 | |||
267 | unsigned int interrupt; | ||
268 | |||
269 | int cnode; | ||
270 | unsigned int cinterrupt; | ||
271 | }; | ||
272 | |||
273 | struct linux_prom_ebus_intmask { | ||
274 | unsigned int phys_hi; | ||
275 | unsigned int phys_lo; | ||
276 | unsigned int interrupt; | ||
277 | }; | ||
278 | #endif /* !(__ASSEMBLY__) */ | ||
279 | |||
280 | #endif /* !(__SPARC64_OPENPROM_H) */ | ||
diff --git a/include/asm-sparc/oplib.h b/include/asm-sparc/oplib.h index 00f487e74d92..e88d7c04a292 100644 --- a/include/asm-sparc/oplib.h +++ b/include/asm-sparc/oplib.h | |||
@@ -1,272 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_OPLIB_H |
2 | * oplib.h: Describes the interface and available routines in the | 2 | #define ___ASM_SPARC_OPLIB_H |
3 | * Linux Prom library. | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * | 4 | #include <asm-sparc/oplib_64.h> |
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 5 | #else |
6 | */ | 6 | #include <asm-sparc/oplib_32.h> |
7 | 7 | #endif | |
8 | #ifndef __SPARC_OPLIB_H | ||
9 | #define __SPARC_OPLIB_H | ||
10 | |||
11 | #include <asm/openprom.h> | ||
12 | #include <linux/spinlock.h> | ||
13 | #include <linux/compiler.h> | ||
14 | |||
15 | /* The master romvec pointer... */ | ||
16 | extern struct linux_romvec *romvec; | ||
17 | |||
18 | /* Enumeration to describe the prom major version we have detected. */ | ||
19 | enum prom_major_version { | ||
20 | PROM_V0, /* Original sun4c V0 prom */ | ||
21 | PROM_V2, /* sun4c and early sun4m V2 prom */ | ||
22 | PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */ | ||
23 | PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */ | ||
24 | PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */ | ||
25 | }; | ||
26 | |||
27 | extern enum prom_major_version prom_vers; | ||
28 | /* Revision, and firmware revision. */ | ||
29 | extern unsigned int prom_rev, prom_prev; | ||
30 | |||
31 | /* Root node of the prom device tree, this stays constant after | ||
32 | * initialization is complete. | ||
33 | */ | ||
34 | extern int prom_root_node; | ||
35 | |||
36 | /* Pointer to prom structure containing the device tree traversal | ||
37 | * and usage utility functions. Only prom-lib should use these, | ||
38 | * users use the interface defined by the library only! | ||
39 | */ | ||
40 | extern struct linux_nodeops *prom_nodeops; | ||
41 | |||
42 | /* The functions... */ | ||
43 | |||
44 | /* You must call prom_init() before using any of the library services, | ||
45 | * preferably as early as possible. Pass it the romvec pointer. | ||
46 | */ | ||
47 | extern void prom_init(struct linux_romvec *rom_ptr); | ||
48 | |||
49 | /* Boot argument acquisition, returns the boot command line string. */ | ||
50 | extern char *prom_getbootargs(void); | ||
51 | |||
52 | /* Device utilities. */ | ||
53 | |||
54 | /* Map and unmap devices in IO space at virtual addresses. Note that the | ||
55 | * virtual address you pass is a request and the prom may put your mappings | ||
56 | * somewhere else, so check your return value as that is where your new | ||
57 | * mappings really are! | ||
58 | * | ||
59 | * Another note, these are only available on V2 or higher proms! | ||
60 | */ | ||
61 | extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes); | ||
62 | extern void prom_unmapio(char *virt_addr, unsigned int num_bytes); | ||
63 | |||
64 | /* Device operations. */ | ||
65 | |||
66 | /* Open the device described by the passed string. Note, that the format | ||
67 | * of the string is different on V0 vs. V2->higher proms. The caller must | ||
68 | * know what he/she is doing! Returns the device descriptor, an int. | ||
69 | */ | ||
70 | extern int prom_devopen(char *device_string); | ||
71 | |||
72 | /* Close a previously opened device described by the passed integer | ||
73 | * descriptor. | ||
74 | */ | ||
75 | extern int prom_devclose(int device_handle); | ||
76 | |||
77 | /* Do a seek operation on the device described by the passed integer | ||
78 | * descriptor. | ||
79 | */ | ||
80 | extern void prom_seek(int device_handle, unsigned int seek_hival, | ||
81 | unsigned int seek_lowval); | ||
82 | |||
83 | /* Miscellaneous routines, don't really fit in any category per se. */ | ||
84 | |||
85 | /* Reboot the machine with the command line passed. */ | ||
86 | extern void prom_reboot(char *boot_command); | ||
87 | |||
88 | /* Evaluate the forth string passed. */ | ||
89 | extern void prom_feval(char *forth_string); | ||
90 | |||
91 | /* Enter the prom, with possibility of continuation with the 'go' | ||
92 | * command in newer proms. | ||
93 | */ | ||
94 | extern void prom_cmdline(void); | ||
95 | |||
96 | /* Enter the prom, with no chance of continuation for the stand-alone | ||
97 | * which calls this. | ||
98 | */ | ||
99 | extern void prom_halt(void) __attribute__ ((noreturn)); | ||
100 | |||
101 | /* Set the PROM 'sync' callback function to the passed function pointer. | ||
102 | * When the user gives the 'sync' command at the prom prompt while the | ||
103 | * kernel is still active, the prom will call this routine. | ||
104 | * | ||
105 | * XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX | ||
106 | */ | ||
107 | typedef void (*sync_func_t)(void); | ||
108 | extern void prom_setsync(sync_func_t func_ptr); | ||
109 | |||
110 | /* Acquire the IDPROM of the root node in the prom device tree. This | ||
111 | * gets passed a buffer where you would like it stuffed. The return value | ||
112 | * is the format type of this idprom or 0xff on error. | ||
113 | */ | ||
114 | extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); | ||
115 | |||
116 | /* Get the prom major version. */ | ||
117 | extern int prom_version(void); | ||
118 | |||
119 | /* Get the prom plugin revision. */ | ||
120 | extern int prom_getrev(void); | ||
121 | |||
122 | /* Get the prom firmware revision. */ | ||
123 | extern int prom_getprev(void); | ||
124 | |||
125 | /* Character operations to/from the console.... */ | ||
126 | |||
127 | /* Non-blocking get character from console. */ | ||
128 | extern int prom_nbgetchar(void); | ||
129 | |||
130 | /* Non-blocking put character to console. */ | ||
131 | extern int prom_nbputchar(char character); | ||
132 | |||
133 | /* Blocking get character from console. */ | ||
134 | extern char prom_getchar(void); | ||
135 | |||
136 | /* Blocking put character to console. */ | ||
137 | extern void prom_putchar(char character); | ||
138 | |||
139 | /* Prom's internal routines, don't use in kernel/boot code. */ | ||
140 | extern void prom_printf(char *fmt, ...); | ||
141 | extern void prom_write(const char *buf, unsigned int len); | ||
142 | |||
143 | /* Multiprocessor operations... */ | ||
144 | |||
145 | /* Start the CPU with the given device tree node, context table, and context | ||
146 | * at the passed program counter. | ||
147 | */ | ||
148 | extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table, | ||
149 | int context, char *program_counter); | ||
150 | |||
151 | /* Stop the CPU with the passed device tree node. */ | ||
152 | extern int prom_stopcpu(int cpunode); | ||
153 | |||
154 | /* Idle the CPU with the passed device tree node. */ | ||
155 | extern int prom_idlecpu(int cpunode); | ||
156 | |||
157 | /* Re-Start the CPU with the passed device tree node. */ | ||
158 | extern int prom_restartcpu(int cpunode); | ||
159 | |||
160 | /* PROM memory allocation facilities... */ | ||
161 | |||
162 | /* Allocated at possibly the given virtual address a chunk of the | ||
163 | * indicated size. | ||
164 | */ | ||
165 | extern char *prom_alloc(char *virt_hint, unsigned int size); | ||
166 | |||
167 | /* Free a previously allocated chunk. */ | ||
168 | extern void prom_free(char *virt_addr, unsigned int size); | ||
169 | |||
170 | /* Sun4/sun4c specific memory-management startup hook. */ | ||
171 | |||
172 | /* Map the passed segment in the given context at the passed | ||
173 | * virtual address. | ||
174 | */ | ||
175 | extern void prom_putsegment(int context, unsigned long virt_addr, | ||
176 | int physical_segment); | ||
177 | |||
178 | |||
179 | /* PROM device tree traversal functions... */ | ||
180 | |||
181 | #ifdef PROMLIB_INTERNAL | ||
182 | |||
183 | /* Internal version of prom_getchild. */ | ||
184 | extern int __prom_getchild(int parent_node); | ||
185 | |||
186 | /* Internal version of prom_getsibling. */ | ||
187 | extern int __prom_getsibling(int node); | ||
188 | |||
189 | #endif | 8 | #endif |
190 | |||
191 | |||
192 | /* Get the child node of the given node, or zero if no child exists. */ | ||
193 | extern int prom_getchild(int parent_node); | ||
194 | |||
195 | /* Get the next sibling node of the given node, or zero if no further | ||
196 | * siblings exist. | ||
197 | */ | ||
198 | extern int prom_getsibling(int node); | ||
199 | |||
200 | /* Get the length, at the passed node, of the given property type. | ||
201 | * Returns -1 on error (ie. no such property at this node). | ||
202 | */ | ||
203 | extern int prom_getproplen(int thisnode, char *property); | ||
204 | |||
205 | /* Fetch the requested property using the given buffer. Returns | ||
206 | * the number of bytes the prom put into your buffer or -1 on error. | ||
207 | */ | ||
208 | extern int __must_check prom_getproperty(int thisnode, char *property, | ||
209 | char *prop_buffer, int propbuf_size); | ||
210 | |||
211 | /* Acquire an integer property. */ | ||
212 | extern int prom_getint(int node, char *property); | ||
213 | |||
214 | /* Acquire an integer property, with a default value. */ | ||
215 | extern int prom_getintdefault(int node, char *property, int defval); | ||
216 | |||
217 | /* Acquire a boolean property, 0=FALSE 1=TRUE. */ | ||
218 | extern int prom_getbool(int node, char *prop); | ||
219 | |||
220 | /* Acquire a string property, null string on error. */ | ||
221 | extern void prom_getstring(int node, char *prop, char *buf, int bufsize); | ||
222 | |||
223 | /* Does the passed node have the given "name"? YES=1 NO=0 */ | ||
224 | extern int prom_nodematch(int thisnode, char *name); | ||
225 | |||
226 | /* Search all siblings starting at the passed node for "name" matching | ||
227 | * the given string. Returns the node on success, zero on failure. | ||
228 | */ | ||
229 | extern int prom_searchsiblings(int node_start, char *name); | ||
230 | |||
231 | /* Return the first property type, as a string, for the given node. | ||
232 | * Returns a null string on error. | ||
233 | */ | ||
234 | extern char *prom_firstprop(int node, char *buffer); | ||
235 | |||
236 | /* Returns the next property after the passed property for the given | ||
237 | * node. Returns null string on failure. | ||
238 | */ | ||
239 | extern char *prom_nextprop(int node, char *prev_property, char *buffer); | ||
240 | |||
241 | /* Returns phandle of the path specified */ | ||
242 | extern int prom_finddevice(char *name); | ||
243 | |||
244 | /* Returns 1 if the specified node has given property. */ | ||
245 | extern int prom_node_has_property(int node, char *property); | ||
246 | |||
247 | /* Set the indicated property at the given node with the passed value. | ||
248 | * Returns the number of bytes of your value that the prom took. | ||
249 | */ | ||
250 | extern int prom_setprop(int node, char *prop_name, char *prop_value, | ||
251 | int value_size); | ||
252 | |||
253 | extern int prom_pathtoinode(char *path); | ||
254 | extern int prom_inst2pkg(int); | ||
255 | |||
256 | /* Dorking with Bus ranges... */ | ||
257 | |||
258 | /* Apply promlib probes OBIO ranges to registers. */ | ||
259 | extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs); | ||
260 | |||
261 | /* Apply ranges of any prom node (and optionally parent node as well) to registers. */ | ||
262 | extern void prom_apply_generic_ranges(int node, int parent, | ||
263 | struct linux_prom_registers *sbusregs, int nregs); | ||
264 | |||
265 | /* CPU probing helpers. */ | ||
266 | int cpu_find_by_instance(int instance, int *prom_node, int *mid); | ||
267 | int cpu_find_by_mid(int mid, int *prom_node); | ||
268 | int cpu_get_hwmid(int prom_node); | ||
269 | |||
270 | extern spinlock_t prom_lock; | ||
271 | |||
272 | #endif /* !(__SPARC_OPLIB_H) */ | ||
diff --git a/include/asm-sparc/oplib_32.h b/include/asm-sparc/oplib_32.h new file mode 100644 index 000000000000..b2631da259e0 --- /dev/null +++ b/include/asm-sparc/oplib_32.h | |||
@@ -0,0 +1,272 @@ | |||
1 | /* | ||
2 | * oplib.h: Describes the interface and available routines in the | ||
3 | * Linux Prom library. | ||
4 | * | ||
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC_OPLIB_H | ||
9 | #define __SPARC_OPLIB_H | ||
10 | |||
11 | #include <asm/openprom.h> | ||
12 | #include <linux/spinlock.h> | ||
13 | #include <linux/compiler.h> | ||
14 | |||
15 | /* The master romvec pointer... */ | ||
16 | extern struct linux_romvec *romvec; | ||
17 | |||
18 | /* Enumeration to describe the prom major version we have detected. */ | ||
19 | enum prom_major_version { | ||
20 | PROM_V0, /* Original sun4c V0 prom */ | ||
21 | PROM_V2, /* sun4c and early sun4m V2 prom */ | ||
22 | PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */ | ||
23 | PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */ | ||
24 | PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */ | ||
25 | }; | ||
26 | |||
27 | extern enum prom_major_version prom_vers; | ||
28 | /* Revision, and firmware revision. */ | ||
29 | extern unsigned int prom_rev, prom_prev; | ||
30 | |||
31 | /* Root node of the prom device tree, this stays constant after | ||
32 | * initialization is complete. | ||
33 | */ | ||
34 | extern int prom_root_node; | ||
35 | |||
36 | /* Pointer to prom structure containing the device tree traversal | ||
37 | * and usage utility functions. Only prom-lib should use these, | ||
38 | * users use the interface defined by the library only! | ||
39 | */ | ||
40 | extern struct linux_nodeops *prom_nodeops; | ||
41 | |||
42 | /* The functions... */ | ||
43 | |||
44 | /* You must call prom_init() before using any of the library services, | ||
45 | * preferably as early as possible. Pass it the romvec pointer. | ||
46 | */ | ||
47 | extern void prom_init(struct linux_romvec *rom_ptr); | ||
48 | |||
49 | /* Boot argument acquisition, returns the boot command line string. */ | ||
50 | extern char *prom_getbootargs(void); | ||
51 | |||
52 | /* Device utilities. */ | ||
53 | |||
54 | /* Map and unmap devices in IO space at virtual addresses. Note that the | ||
55 | * virtual address you pass is a request and the prom may put your mappings | ||
56 | * somewhere else, so check your return value as that is where your new | ||
57 | * mappings really are! | ||
58 | * | ||
59 | * Another note, these are only available on V2 or higher proms! | ||
60 | */ | ||
61 | extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes); | ||
62 | extern void prom_unmapio(char *virt_addr, unsigned int num_bytes); | ||
63 | |||
64 | /* Device operations. */ | ||
65 | |||
66 | /* Open the device described by the passed string. Note, that the format | ||
67 | * of the string is different on V0 vs. V2->higher proms. The caller must | ||
68 | * know what he/she is doing! Returns the device descriptor, an int. | ||
69 | */ | ||
70 | extern int prom_devopen(char *device_string); | ||
71 | |||
72 | /* Close a previously opened device described by the passed integer | ||
73 | * descriptor. | ||
74 | */ | ||
75 | extern int prom_devclose(int device_handle); | ||
76 | |||
77 | /* Do a seek operation on the device described by the passed integer | ||
78 | * descriptor. | ||
79 | */ | ||
80 | extern void prom_seek(int device_handle, unsigned int seek_hival, | ||
81 | unsigned int seek_lowval); | ||
82 | |||
83 | /* Miscellaneous routines, don't really fit in any category per se. */ | ||
84 | |||
85 | /* Reboot the machine with the command line passed. */ | ||
86 | extern void prom_reboot(char *boot_command); | ||
87 | |||
88 | /* Evaluate the forth string passed. */ | ||
89 | extern void prom_feval(char *forth_string); | ||
90 | |||
91 | /* Enter the prom, with possibility of continuation with the 'go' | ||
92 | * command in newer proms. | ||
93 | */ | ||
94 | extern void prom_cmdline(void); | ||
95 | |||
96 | /* Enter the prom, with no chance of continuation for the stand-alone | ||
97 | * which calls this. | ||
98 | */ | ||
99 | extern void prom_halt(void) __attribute__ ((noreturn)); | ||
100 | |||
101 | /* Set the PROM 'sync' callback function to the passed function pointer. | ||
102 | * When the user gives the 'sync' command at the prom prompt while the | ||
103 | * kernel is still active, the prom will call this routine. | ||
104 | * | ||
105 | * XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX | ||
106 | */ | ||
107 | typedef void (*sync_func_t)(void); | ||
108 | extern void prom_setsync(sync_func_t func_ptr); | ||
109 | |||
110 | /* Acquire the IDPROM of the root node in the prom device tree. This | ||
111 | * gets passed a buffer where you would like it stuffed. The return value | ||
112 | * is the format type of this idprom or 0xff on error. | ||
113 | */ | ||
114 | extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); | ||
115 | |||
116 | /* Get the prom major version. */ | ||
117 | extern int prom_version(void); | ||
118 | |||
119 | /* Get the prom plugin revision. */ | ||
120 | extern int prom_getrev(void); | ||
121 | |||
122 | /* Get the prom firmware revision. */ | ||
123 | extern int prom_getprev(void); | ||
124 | |||
125 | /* Character operations to/from the console.... */ | ||
126 | |||
127 | /* Non-blocking get character from console. */ | ||
128 | extern int prom_nbgetchar(void); | ||
129 | |||
130 | /* Non-blocking put character to console. */ | ||
131 | extern int prom_nbputchar(char character); | ||
132 | |||
133 | /* Blocking get character from console. */ | ||
134 | extern char prom_getchar(void); | ||
135 | |||
136 | /* Blocking put character to console. */ | ||
137 | extern void prom_putchar(char character); | ||
138 | |||
139 | /* Prom's internal routines, don't use in kernel/boot code. */ | ||
140 | extern void prom_printf(char *fmt, ...); | ||
141 | extern void prom_write(const char *buf, unsigned int len); | ||
142 | |||
143 | /* Multiprocessor operations... */ | ||
144 | |||
145 | /* Start the CPU with the given device tree node, context table, and context | ||
146 | * at the passed program counter. | ||
147 | */ | ||
148 | extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table, | ||
149 | int context, char *program_counter); | ||
150 | |||
151 | /* Stop the CPU with the passed device tree node. */ | ||
152 | extern int prom_stopcpu(int cpunode); | ||
153 | |||
154 | /* Idle the CPU with the passed device tree node. */ | ||
155 | extern int prom_idlecpu(int cpunode); | ||
156 | |||
157 | /* Re-Start the CPU with the passed device tree node. */ | ||
158 | extern int prom_restartcpu(int cpunode); | ||
159 | |||
160 | /* PROM memory allocation facilities... */ | ||
161 | |||
162 | /* Allocated at possibly the given virtual address a chunk of the | ||
163 | * indicated size. | ||
164 | */ | ||
165 | extern char *prom_alloc(char *virt_hint, unsigned int size); | ||
166 | |||
167 | /* Free a previously allocated chunk. */ | ||
168 | extern void prom_free(char *virt_addr, unsigned int size); | ||
169 | |||
170 | /* Sun4/sun4c specific memory-management startup hook. */ | ||
171 | |||
172 | /* Map the passed segment in the given context at the passed | ||
173 | * virtual address. | ||
174 | */ | ||
175 | extern void prom_putsegment(int context, unsigned long virt_addr, | ||
176 | int physical_segment); | ||
177 | |||
178 | |||
179 | /* PROM device tree traversal functions... */ | ||
180 | |||
181 | #ifdef PROMLIB_INTERNAL | ||
182 | |||
183 | /* Internal version of prom_getchild. */ | ||
184 | extern int __prom_getchild(int parent_node); | ||
185 | |||
186 | /* Internal version of prom_getsibling. */ | ||
187 | extern int __prom_getsibling(int node); | ||
188 | |||
189 | #endif | ||
190 | |||
191 | |||
192 | /* Get the child node of the given node, or zero if no child exists. */ | ||
193 | extern int prom_getchild(int parent_node); | ||
194 | |||
195 | /* Get the next sibling node of the given node, or zero if no further | ||
196 | * siblings exist. | ||
197 | */ | ||
198 | extern int prom_getsibling(int node); | ||
199 | |||
200 | /* Get the length, at the passed node, of the given property type. | ||
201 | * Returns -1 on error (ie. no such property at this node). | ||
202 | */ | ||
203 | extern int prom_getproplen(int thisnode, char *property); | ||
204 | |||
205 | /* Fetch the requested property using the given buffer. Returns | ||
206 | * the number of bytes the prom put into your buffer or -1 on error. | ||
207 | */ | ||
208 | extern int __must_check prom_getproperty(int thisnode, char *property, | ||
209 | char *prop_buffer, int propbuf_size); | ||
210 | |||
211 | /* Acquire an integer property. */ | ||
212 | extern int prom_getint(int node, char *property); | ||
213 | |||
214 | /* Acquire an integer property, with a default value. */ | ||
215 | extern int prom_getintdefault(int node, char *property, int defval); | ||
216 | |||
217 | /* Acquire a boolean property, 0=FALSE 1=TRUE. */ | ||
218 | extern int prom_getbool(int node, char *prop); | ||
219 | |||
220 | /* Acquire a string property, null string on error. */ | ||
221 | extern void prom_getstring(int node, char *prop, char *buf, int bufsize); | ||
222 | |||
223 | /* Does the passed node have the given "name"? YES=1 NO=0 */ | ||
224 | extern int prom_nodematch(int thisnode, char *name); | ||
225 | |||
226 | /* Search all siblings starting at the passed node for "name" matching | ||
227 | * the given string. Returns the node on success, zero on failure. | ||
228 | */ | ||
229 | extern int prom_searchsiblings(int node_start, char *name); | ||
230 | |||
231 | /* Return the first property type, as a string, for the given node. | ||
232 | * Returns a null string on error. | ||
233 | */ | ||
234 | extern char *prom_firstprop(int node, char *buffer); | ||
235 | |||
236 | /* Returns the next property after the passed property for the given | ||
237 | * node. Returns null string on failure. | ||
238 | */ | ||
239 | extern char *prom_nextprop(int node, char *prev_property, char *buffer); | ||
240 | |||
241 | /* Returns phandle of the path specified */ | ||
242 | extern int prom_finddevice(char *name); | ||
243 | |||
244 | /* Returns 1 if the specified node has given property. */ | ||
245 | extern int prom_node_has_property(int node, char *property); | ||
246 | |||
247 | /* Set the indicated property at the given node with the passed value. | ||
248 | * Returns the number of bytes of your value that the prom took. | ||
249 | */ | ||
250 | extern int prom_setprop(int node, char *prop_name, char *prop_value, | ||
251 | int value_size); | ||
252 | |||
253 | extern int prom_pathtoinode(char *path); | ||
254 | extern int prom_inst2pkg(int); | ||
255 | |||
256 | /* Dorking with Bus ranges... */ | ||
257 | |||
258 | /* Apply promlib probes OBIO ranges to registers. */ | ||
259 | extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs); | ||
260 | |||
261 | /* Apply ranges of any prom node (and optionally parent node as well) to registers. */ | ||
262 | extern void prom_apply_generic_ranges(int node, int parent, | ||
263 | struct linux_prom_registers *sbusregs, int nregs); | ||
264 | |||
265 | /* CPU probing helpers. */ | ||
266 | int cpu_find_by_instance(int instance, int *prom_node, int *mid); | ||
267 | int cpu_find_by_mid(int mid, int *prom_node); | ||
268 | int cpu_get_hwmid(int prom_node); | ||
269 | |||
270 | extern spinlock_t prom_lock; | ||
271 | |||
272 | #endif /* !(__SPARC_OPLIB_H) */ | ||
diff --git a/include/asm-sparc/oplib_64.h b/include/asm-sparc/oplib_64.h new file mode 100644 index 000000000000..6d2c2ca98039 --- /dev/null +++ b/include/asm-sparc/oplib_64.h | |||
@@ -0,0 +1,322 @@ | |||
1 | /* oplib.h: Describes the interface and available routines in the | ||
2 | * Linux Prom library. | ||
3 | * | ||
4 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
5 | * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_OPLIB_H | ||
9 | #define __SPARC64_OPLIB_H | ||
10 | |||
11 | #include <asm/openprom.h> | ||
12 | |||
13 | /* OBP version string. */ | ||
14 | extern char prom_version[]; | ||
15 | |||
16 | /* Root node of the prom device tree, this stays constant after | ||
17 | * initialization is complete. | ||
18 | */ | ||
19 | extern int prom_root_node; | ||
20 | |||
21 | /* PROM stdin and stdout */ | ||
22 | extern int prom_stdin, prom_stdout; | ||
23 | |||
24 | /* /chosen node of the prom device tree, this stays constant after | ||
25 | * initialization is complete. | ||
26 | */ | ||
27 | extern int prom_chosen_node; | ||
28 | |||
29 | /* Helper values and strings in arch/sparc64/kernel/head.S */ | ||
30 | extern const char prom_peer_name[]; | ||
31 | extern const char prom_compatible_name[]; | ||
32 | extern const char prom_root_compatible[]; | ||
33 | extern const char prom_cpu_compatible[]; | ||
34 | extern const char prom_finddev_name[]; | ||
35 | extern const char prom_chosen_path[]; | ||
36 | extern const char prom_cpu_path[]; | ||
37 | extern const char prom_getprop_name[]; | ||
38 | extern const char prom_mmu_name[]; | ||
39 | extern const char prom_callmethod_name[]; | ||
40 | extern const char prom_translate_name[]; | ||
41 | extern const char prom_map_name[]; | ||
42 | extern const char prom_unmap_name[]; | ||
43 | extern int prom_mmu_ihandle_cache; | ||
44 | extern unsigned int prom_boot_mapped_pc; | ||
45 | extern unsigned int prom_boot_mapping_mode; | ||
46 | extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low; | ||
47 | |||
48 | struct linux_mlist_p1275 { | ||
49 | struct linux_mlist_p1275 *theres_more; | ||
50 | unsigned long start_adr; | ||
51 | unsigned long num_bytes; | ||
52 | }; | ||
53 | |||
54 | struct linux_mem_p1275 { | ||
55 | struct linux_mlist_p1275 **p1275_totphys; | ||
56 | struct linux_mlist_p1275 **p1275_prommap; | ||
57 | struct linux_mlist_p1275 **p1275_available; /* What we can use */ | ||
58 | }; | ||
59 | |||
60 | /* The functions... */ | ||
61 | |||
62 | /* You must call prom_init() before using any of the library services, | ||
63 | * preferably as early as possible. Pass it the romvec pointer. | ||
64 | */ | ||
65 | extern void prom_init(void *cif_handler, void *cif_stack); | ||
66 | |||
67 | /* Boot argument acquisition, returns the boot command line string. */ | ||
68 | extern char *prom_getbootargs(void); | ||
69 | |||
70 | /* Device utilities. */ | ||
71 | |||
72 | /* Device operations. */ | ||
73 | |||
74 | /* Open the device described by the passed string. Note, that the format | ||
75 | * of the string is different on V0 vs. V2->higher proms. The caller must | ||
76 | * know what he/she is doing! Returns the device descriptor, an int. | ||
77 | */ | ||
78 | extern int prom_devopen(const char *device_string); | ||
79 | |||
80 | /* Close a previously opened device described by the passed integer | ||
81 | * descriptor. | ||
82 | */ | ||
83 | extern int prom_devclose(int device_handle); | ||
84 | |||
85 | /* Do a seek operation on the device described by the passed integer | ||
86 | * descriptor. | ||
87 | */ | ||
88 | extern void prom_seek(int device_handle, unsigned int seek_hival, | ||
89 | unsigned int seek_lowval); | ||
90 | |||
91 | /* Miscellaneous routines, don't really fit in any category per se. */ | ||
92 | |||
93 | /* Reboot the machine with the command line passed. */ | ||
94 | extern void prom_reboot(const char *boot_command); | ||
95 | |||
96 | /* Evaluate the forth string passed. */ | ||
97 | extern void prom_feval(const char *forth_string); | ||
98 | |||
99 | /* Enter the prom, with possibility of continuation with the 'go' | ||
100 | * command in newer proms. | ||
101 | */ | ||
102 | extern void prom_cmdline(void); | ||
103 | |||
104 | /* Enter the prom, with no chance of continuation for the stand-alone | ||
105 | * which calls this. | ||
106 | */ | ||
107 | extern void prom_halt(void) __attribute__ ((noreturn)); | ||
108 | |||
109 | /* Halt and power-off the machine. */ | ||
110 | extern void prom_halt_power_off(void) __attribute__ ((noreturn)); | ||
111 | |||
112 | /* Set the PROM 'sync' callback function to the passed function pointer. | ||
113 | * When the user gives the 'sync' command at the prom prompt while the | ||
114 | * kernel is still active, the prom will call this routine. | ||
115 | * | ||
116 | */ | ||
117 | typedef int (*callback_func_t)(long *cmd); | ||
118 | extern void prom_setcallback(callback_func_t func_ptr); | ||
119 | |||
120 | /* Acquire the IDPROM of the root node in the prom device tree. This | ||
121 | * gets passed a buffer where you would like it stuffed. The return value | ||
122 | * is the format type of this idprom or 0xff on error. | ||
123 | */ | ||
124 | extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); | ||
125 | |||
126 | /* Character operations to/from the console.... */ | ||
127 | |||
128 | /* Non-blocking get character from console. */ | ||
129 | extern int prom_nbgetchar(void); | ||
130 | |||
131 | /* Non-blocking put character to console. */ | ||
132 | extern int prom_nbputchar(char character); | ||
133 | |||
134 | /* Blocking get character from console. */ | ||
135 | extern char prom_getchar(void); | ||
136 | |||
137 | /* Blocking put character to console. */ | ||
138 | extern void prom_putchar(char character); | ||
139 | |||
140 | /* Prom's internal routines, don't use in kernel/boot code. */ | ||
141 | extern void prom_printf(const char *fmt, ...); | ||
142 | extern void prom_write(const char *buf, unsigned int len); | ||
143 | |||
144 | /* Multiprocessor operations... */ | ||
145 | #ifdef CONFIG_SMP | ||
146 | /* Start the CPU with the given device tree node at the passed program | ||
147 | * counter with the given arg passed in via register %o0. | ||
148 | */ | ||
149 | extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg); | ||
150 | |||
151 | /* Start the CPU with the given cpu ID at the passed program | ||
152 | * counter with the given arg passed in via register %o0. | ||
153 | */ | ||
154 | extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg); | ||
155 | |||
156 | /* Stop the CPU with the given cpu ID. */ | ||
157 | extern void prom_stopcpu_cpuid(int cpuid); | ||
158 | |||
159 | /* Stop the current CPU. */ | ||
160 | extern void prom_stopself(void); | ||
161 | |||
162 | /* Idle the current CPU. */ | ||
163 | extern void prom_idleself(void); | ||
164 | |||
165 | /* Resume the CPU with the passed device tree node. */ | ||
166 | extern void prom_resumecpu(int cpunode); | ||
167 | #endif | ||
168 | |||
169 | /* Power management interfaces. */ | ||
170 | |||
171 | /* Put the current CPU to sleep. */ | ||
172 | extern void prom_sleepself(void); | ||
173 | |||
174 | /* Put the entire system to sleep. */ | ||
175 | extern int prom_sleepsystem(void); | ||
176 | |||
177 | /* Initiate a wakeup event. */ | ||
178 | extern int prom_wakeupsystem(void); | ||
179 | |||
180 | /* MMU and memory related OBP interfaces. */ | ||
181 | |||
182 | /* Get unique string identifying SIMM at given physical address. */ | ||
183 | extern int prom_getunumber(int syndrome_code, | ||
184 | unsigned long phys_addr, | ||
185 | char *buf, int buflen); | ||
186 | |||
187 | /* Retain physical memory to the caller across soft resets. */ | ||
188 | extern unsigned long prom_retain(const char *name, | ||
189 | unsigned long pa_low, unsigned long pa_high, | ||
190 | long size, long align); | ||
191 | |||
192 | /* Load explicit I/D TLB entries into the calling processor. */ | ||
193 | extern long prom_itlb_load(unsigned long index, | ||
194 | unsigned long tte_data, | ||
195 | unsigned long vaddr); | ||
196 | |||
197 | extern long prom_dtlb_load(unsigned long index, | ||
198 | unsigned long tte_data, | ||
199 | unsigned long vaddr); | ||
200 | |||
201 | /* Map/Unmap client program address ranges. First the format of | ||
202 | * the mapping mode argument. | ||
203 | */ | ||
204 | #define PROM_MAP_WRITE 0x0001 /* Writable */ | ||
205 | #define PROM_MAP_READ 0x0002 /* Readable - sw */ | ||
206 | #define PROM_MAP_EXEC 0x0004 /* Executable - sw */ | ||
207 | #define PROM_MAP_LOCKED 0x0010 /* Locked, use i/dtlb load calls for this instead */ | ||
208 | #define PROM_MAP_CACHED 0x0020 /* Cacheable in both L1 and L2 caches */ | ||
209 | #define PROM_MAP_SE 0x0040 /* Side-Effects */ | ||
210 | #define PROM_MAP_GLOB 0x0080 /* Global */ | ||
211 | #define PROM_MAP_IE 0x0100 /* Invert-Endianness */ | ||
212 | #define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED) | ||
213 | |||
214 | extern int prom_map(int mode, unsigned long size, | ||
215 | unsigned long vaddr, unsigned long paddr); | ||
216 | extern void prom_unmap(unsigned long size, unsigned long vaddr); | ||
217 | |||
218 | |||
219 | /* PROM device tree traversal functions... */ | ||
220 | |||
221 | #ifdef PROMLIB_INTERNAL | ||
222 | |||
223 | /* Internal version of prom_getchild. */ | ||
224 | extern int __prom_getchild(int parent_node); | ||
225 | |||
226 | /* Internal version of prom_getsibling. */ | ||
227 | extern int __prom_getsibling(int node); | ||
228 | |||
229 | #endif | ||
230 | |||
231 | /* Get the child node of the given node, or zero if no child exists. */ | ||
232 | extern int prom_getchild(int parent_node); | ||
233 | |||
234 | /* Get the next sibling node of the given node, or zero if no further | ||
235 | * siblings exist. | ||
236 | */ | ||
237 | extern int prom_getsibling(int node); | ||
238 | |||
239 | /* Get the length, at the passed node, of the given property type. | ||
240 | * Returns -1 on error (ie. no such property at this node). | ||
241 | */ | ||
242 | extern int prom_getproplen(int thisnode, const char *property); | ||
243 | |||
244 | /* Fetch the requested property using the given buffer. Returns | ||
245 | * the number of bytes the prom put into your buffer or -1 on error. | ||
246 | */ | ||
247 | extern int prom_getproperty(int thisnode, const char *property, | ||
248 | char *prop_buffer, int propbuf_size); | ||
249 | |||
250 | /* Acquire an integer property. */ | ||
251 | extern int prom_getint(int node, const char *property); | ||
252 | |||
253 | /* Acquire an integer property, with a default value. */ | ||
254 | extern int prom_getintdefault(int node, const char *property, int defval); | ||
255 | |||
256 | /* Acquire a boolean property, 0=FALSE 1=TRUE. */ | ||
257 | extern int prom_getbool(int node, const char *prop); | ||
258 | |||
259 | /* Acquire a string property, null string on error. */ | ||
260 | extern void prom_getstring(int node, const char *prop, char *buf, int bufsize); | ||
261 | |||
262 | /* Does the passed node have the given "name"? YES=1 NO=0 */ | ||
263 | extern int prom_nodematch(int thisnode, const char *name); | ||
264 | |||
265 | /* Search all siblings starting at the passed node for "name" matching | ||
266 | * the given string. Returns the node on success, zero on failure. | ||
267 | */ | ||
268 | extern int prom_searchsiblings(int node_start, const char *name); | ||
269 | |||
270 | /* Return the first property type, as a string, for the given node. | ||
271 | * Returns a null string on error. Buffer should be at least 32B long. | ||
272 | */ | ||
273 | extern char *prom_firstprop(int node, char *buffer); | ||
274 | |||
275 | /* Returns the next property after the passed property for the given | ||
276 | * node. Returns null string on failure. Buffer should be at least 32B long. | ||
277 | */ | ||
278 | extern char *prom_nextprop(int node, const char *prev_property, char *buffer); | ||
279 | |||
280 | /* Returns 1 if the specified node has given property. */ | ||
281 | extern int prom_node_has_property(int node, const char *property); | ||
282 | |||
283 | /* Returns phandle of the path specified */ | ||
284 | extern int prom_finddevice(const char *name); | ||
285 | |||
286 | /* Set the indicated property at the given node with the passed value. | ||
287 | * Returns the number of bytes of your value that the prom took. | ||
288 | */ | ||
289 | extern int prom_setprop(int node, const char *prop_name, char *prop_value, | ||
290 | int value_size); | ||
291 | |||
292 | extern int prom_pathtoinode(const char *path); | ||
293 | extern int prom_inst2pkg(int); | ||
294 | extern int prom_service_exists(const char *service_name); | ||
295 | extern void prom_sun4v_guest_soft_state(void); | ||
296 | |||
297 | extern int prom_ihandle2path(int handle, char *buffer, int bufsize); | ||
298 | |||
299 | /* Client interface level routines. */ | ||
300 | extern long p1275_cmd(const char *, long, ...); | ||
301 | |||
302 | #if 0 | ||
303 | #define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x)) | ||
304 | #else | ||
305 | #define P1275_SIZE(x) x | ||
306 | #endif | ||
307 | |||
308 | /* We support at most 16 input and 1 output argument */ | ||
309 | #define P1275_ARG_NUMBER 0 | ||
310 | #define P1275_ARG_IN_STRING 1 | ||
311 | #define P1275_ARG_OUT_BUF 2 | ||
312 | #define P1275_ARG_OUT_32B 3 | ||
313 | #define P1275_ARG_IN_FUNCTION 4 | ||
314 | #define P1275_ARG_IN_BUF 5 | ||
315 | #define P1275_ARG_IN_64B 6 | ||
316 | |||
317 | #define P1275_IN(x) ((x) & 0xf) | ||
318 | #define P1275_OUT(x) (((x) << 4) & 0xf0) | ||
319 | #define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o)) | ||
320 | #define P1275_ARG(n,x) ((x) << ((n)*3 + 8)) | ||
321 | |||
322 | #endif /* !(__SPARC64_OPLIB_H) */ | ||
diff --git a/include/asm-sparc/page.h b/include/asm-sparc/page.h index 14de518cc38f..f32f49fcf75c 100644 --- a/include/asm-sparc/page.h +++ b/include/asm-sparc/page.h | |||
@@ -1,163 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_PAGE_H |
2 | * page.h: Various defines and such for MMU operations on the Sparc for | 2 | #define ___ASM_SPARC_PAGE_H |
3 | * the Linux kernel. | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * | 4 | #include <asm-sparc/page_64.h> |
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC_PAGE_H | ||
9 | #define _SPARC_PAGE_H | ||
10 | |||
11 | #ifdef CONFIG_SUN4 | ||
12 | #define PAGE_SHIFT 13 | ||
13 | #else | 5 | #else |
14 | #define PAGE_SHIFT 12 | 6 | #include <asm-sparc/page_32.h> |
15 | #endif | 7 | #endif |
16 | #ifndef __ASSEMBLY__ | ||
17 | /* I have my suspicions... -DaveM */ | ||
18 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | ||
19 | #else | ||
20 | #define PAGE_SIZE (1 << PAGE_SHIFT) | ||
21 | #endif | ||
22 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
23 | |||
24 | #include <asm/btfixup.h> | ||
25 | |||
26 | #ifndef __ASSEMBLY__ | ||
27 | |||
28 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | ||
29 | #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) | ||
30 | #define clear_user_page(addr, vaddr, page) \ | ||
31 | do { clear_page(addr); \ | ||
32 | sparc_flush_page_to_ram(page); \ | ||
33 | } while (0) | ||
34 | #define copy_user_page(to, from, vaddr, page) \ | ||
35 | do { copy_page(to, from); \ | ||
36 | sparc_flush_page_to_ram(page); \ | ||
37 | } while (0) | ||
38 | |||
39 | /* The following structure is used to hold the physical | ||
40 | * memory configuration of the machine. This is filled in | ||
41 | * prom_meminit() and is later used by mem_init() to set up | ||
42 | * mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of | ||
43 | * these structs, this is arbitrary. The entry after the | ||
44 | * last valid one has num_bytes==0. | ||
45 | */ | ||
46 | struct sparc_phys_banks { | ||
47 | unsigned long base_addr; | ||
48 | unsigned long num_bytes; | ||
49 | }; | ||
50 | |||
51 | #define SPARC_PHYS_BANKS 32 | ||
52 | |||
53 | extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1]; | ||
54 | |||
55 | /* Cache alias structure. Entry is valid if context != -1. */ | ||
56 | struct cache_palias { | ||
57 | unsigned long vaddr; | ||
58 | int context; | ||
59 | }; | ||
60 | |||
61 | /* passing structs on the Sparc slow us down tremendously... */ | ||
62 | |||
63 | /* #define STRICT_MM_TYPECHECKS */ | ||
64 | |||
65 | #ifdef STRICT_MM_TYPECHECKS | ||
66 | /* | ||
67 | * These are used to make use of C type-checking.. | ||
68 | */ | ||
69 | typedef struct { unsigned long pte; } pte_t; | ||
70 | typedef struct { unsigned long iopte; } iopte_t; | ||
71 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
72 | typedef struct { unsigned long pgd; } pgd_t; | ||
73 | typedef struct { unsigned long ctxd; } ctxd_t; | ||
74 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
75 | typedef struct { unsigned long iopgprot; } iopgprot_t; | ||
76 | |||
77 | #define pte_val(x) ((x).pte) | ||
78 | #define iopte_val(x) ((x).iopte) | ||
79 | #define pmd_val(x) ((x).pmdv[0]) | ||
80 | #define pgd_val(x) ((x).pgd) | ||
81 | #define ctxd_val(x) ((x).ctxd) | ||
82 | #define pgprot_val(x) ((x).pgprot) | ||
83 | #define iopgprot_val(x) ((x).iopgprot) | ||
84 | |||
85 | #define __pte(x) ((pte_t) { (x) } ) | ||
86 | #define __iopte(x) ((iopte_t) { (x) } ) | ||
87 | /* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */ | ||
88 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
89 | #define __ctxd(x) ((ctxd_t) { (x) } ) | ||
90 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
91 | #define __iopgprot(x) ((iopgprot_t) { (x) } ) | ||
92 | |||
93 | #else | ||
94 | /* | ||
95 | * .. while these make it easier on the compiler | ||
96 | */ | ||
97 | typedef unsigned long pte_t; | ||
98 | typedef unsigned long iopte_t; | ||
99 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
100 | typedef unsigned long pgd_t; | ||
101 | typedef unsigned long ctxd_t; | ||
102 | typedef unsigned long pgprot_t; | ||
103 | typedef unsigned long iopgprot_t; | ||
104 | |||
105 | #define pte_val(x) (x) | ||
106 | #define iopte_val(x) (x) | ||
107 | #define pmd_val(x) ((x).pmdv[0]) | ||
108 | #define pgd_val(x) (x) | ||
109 | #define ctxd_val(x) (x) | ||
110 | #define pgprot_val(x) (x) | ||
111 | #define iopgprot_val(x) (x) | ||
112 | |||
113 | #define __pte(x) (x) | ||
114 | #define __iopte(x) (x) | ||
115 | /* #define __pmd(x) (x) */ /* XXX later */ | ||
116 | #define __pgd(x) (x) | ||
117 | #define __ctxd(x) (x) | ||
118 | #define __pgprot(x) (x) | ||
119 | #define __iopgprot(x) (x) | ||
120 | |||
121 | #endif | ||
122 | |||
123 | typedef struct page *pgtable_t; | ||
124 | |||
125 | extern unsigned long sparc_unmapped_base; | ||
126 | |||
127 | BTFIXUPDEF_SETHI(sparc_unmapped_base) | ||
128 | |||
129 | #define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base) | ||
130 | |||
131 | #else /* !(__ASSEMBLY__) */ | ||
132 | |||
133 | #define __pgprot(x) (x) | ||
134 | |||
135 | #endif /* !(__ASSEMBLY__) */ | ||
136 | |||
137 | /* to align the pointer to the (next) page boundary */ | ||
138 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
139 | |||
140 | #define PAGE_OFFSET 0xf0000000 | ||
141 | #ifndef __ASSEMBLY__ | ||
142 | extern unsigned long phys_base; | ||
143 | extern unsigned long pfn_base; | ||
144 | #endif | 8 | #endif |
145 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base) | ||
146 | #define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET)) | ||
147 | |||
148 | #define virt_to_phys __pa | ||
149 | #define phys_to_virt __va | ||
150 | |||
151 | #define ARCH_PFN_OFFSET (pfn_base) | ||
152 | #define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT))) | ||
153 | |||
154 | #define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) | ||
155 | #define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr) | ||
156 | |||
157 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
158 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
159 | |||
160 | #include <asm-generic/memory_model.h> | ||
161 | #include <asm-generic/page.h> | ||
162 | |||
163 | #endif /* _SPARC_PAGE_H */ | ||
diff --git a/include/asm-sparc/page_32.h b/include/asm-sparc/page_32.h new file mode 100644 index 000000000000..14de518cc38f --- /dev/null +++ b/include/asm-sparc/page_32.h | |||
@@ -0,0 +1,163 @@ | |||
1 | /* | ||
2 | * page.h: Various defines and such for MMU operations on the Sparc for | ||
3 | * the Linux kernel. | ||
4 | * | ||
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC_PAGE_H | ||
9 | #define _SPARC_PAGE_H | ||
10 | |||
11 | #ifdef CONFIG_SUN4 | ||
12 | #define PAGE_SHIFT 13 | ||
13 | #else | ||
14 | #define PAGE_SHIFT 12 | ||
15 | #endif | ||
16 | #ifndef __ASSEMBLY__ | ||
17 | /* I have my suspicions... -DaveM */ | ||
18 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | ||
19 | #else | ||
20 | #define PAGE_SIZE (1 << PAGE_SHIFT) | ||
21 | #endif | ||
22 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
23 | |||
24 | #include <asm/btfixup.h> | ||
25 | |||
26 | #ifndef __ASSEMBLY__ | ||
27 | |||
28 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | ||
29 | #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) | ||
30 | #define clear_user_page(addr, vaddr, page) \ | ||
31 | do { clear_page(addr); \ | ||
32 | sparc_flush_page_to_ram(page); \ | ||
33 | } while (0) | ||
34 | #define copy_user_page(to, from, vaddr, page) \ | ||
35 | do { copy_page(to, from); \ | ||
36 | sparc_flush_page_to_ram(page); \ | ||
37 | } while (0) | ||
38 | |||
39 | /* The following structure is used to hold the physical | ||
40 | * memory configuration of the machine. This is filled in | ||
41 | * prom_meminit() and is later used by mem_init() to set up | ||
42 | * mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of | ||
43 | * these structs, this is arbitrary. The entry after the | ||
44 | * last valid one has num_bytes==0. | ||
45 | */ | ||
46 | struct sparc_phys_banks { | ||
47 | unsigned long base_addr; | ||
48 | unsigned long num_bytes; | ||
49 | }; | ||
50 | |||
51 | #define SPARC_PHYS_BANKS 32 | ||
52 | |||
53 | extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1]; | ||
54 | |||
55 | /* Cache alias structure. Entry is valid if context != -1. */ | ||
56 | struct cache_palias { | ||
57 | unsigned long vaddr; | ||
58 | int context; | ||
59 | }; | ||
60 | |||
61 | /* passing structs on the Sparc slow us down tremendously... */ | ||
62 | |||
63 | /* #define STRICT_MM_TYPECHECKS */ | ||
64 | |||
65 | #ifdef STRICT_MM_TYPECHECKS | ||
66 | /* | ||
67 | * These are used to make use of C type-checking.. | ||
68 | */ | ||
69 | typedef struct { unsigned long pte; } pte_t; | ||
70 | typedef struct { unsigned long iopte; } iopte_t; | ||
71 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
72 | typedef struct { unsigned long pgd; } pgd_t; | ||
73 | typedef struct { unsigned long ctxd; } ctxd_t; | ||
74 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
75 | typedef struct { unsigned long iopgprot; } iopgprot_t; | ||
76 | |||
77 | #define pte_val(x) ((x).pte) | ||
78 | #define iopte_val(x) ((x).iopte) | ||
79 | #define pmd_val(x) ((x).pmdv[0]) | ||
80 | #define pgd_val(x) ((x).pgd) | ||
81 | #define ctxd_val(x) ((x).ctxd) | ||
82 | #define pgprot_val(x) ((x).pgprot) | ||
83 | #define iopgprot_val(x) ((x).iopgprot) | ||
84 | |||
85 | #define __pte(x) ((pte_t) { (x) } ) | ||
86 | #define __iopte(x) ((iopte_t) { (x) } ) | ||
87 | /* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */ | ||
88 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
89 | #define __ctxd(x) ((ctxd_t) { (x) } ) | ||
90 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
91 | #define __iopgprot(x) ((iopgprot_t) { (x) } ) | ||
92 | |||
93 | #else | ||
94 | /* | ||
95 | * .. while these make it easier on the compiler | ||
96 | */ | ||
97 | typedef unsigned long pte_t; | ||
98 | typedef unsigned long iopte_t; | ||
99 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
100 | typedef unsigned long pgd_t; | ||
101 | typedef unsigned long ctxd_t; | ||
102 | typedef unsigned long pgprot_t; | ||
103 | typedef unsigned long iopgprot_t; | ||
104 | |||
105 | #define pte_val(x) (x) | ||
106 | #define iopte_val(x) (x) | ||
107 | #define pmd_val(x) ((x).pmdv[0]) | ||
108 | #define pgd_val(x) (x) | ||
109 | #define ctxd_val(x) (x) | ||
110 | #define pgprot_val(x) (x) | ||
111 | #define iopgprot_val(x) (x) | ||
112 | |||
113 | #define __pte(x) (x) | ||
114 | #define __iopte(x) (x) | ||
115 | /* #define __pmd(x) (x) */ /* XXX later */ | ||
116 | #define __pgd(x) (x) | ||
117 | #define __ctxd(x) (x) | ||
118 | #define __pgprot(x) (x) | ||
119 | #define __iopgprot(x) (x) | ||
120 | |||
121 | #endif | ||
122 | |||
123 | typedef struct page *pgtable_t; | ||
124 | |||
125 | extern unsigned long sparc_unmapped_base; | ||
126 | |||
127 | BTFIXUPDEF_SETHI(sparc_unmapped_base) | ||
128 | |||
129 | #define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base) | ||
130 | |||
131 | #else /* !(__ASSEMBLY__) */ | ||
132 | |||
133 | #define __pgprot(x) (x) | ||
134 | |||
135 | #endif /* !(__ASSEMBLY__) */ | ||
136 | |||
137 | /* to align the pointer to the (next) page boundary */ | ||
138 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
139 | |||
140 | #define PAGE_OFFSET 0xf0000000 | ||
141 | #ifndef __ASSEMBLY__ | ||
142 | extern unsigned long phys_base; | ||
143 | extern unsigned long pfn_base; | ||
144 | #endif | ||
145 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base) | ||
146 | #define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET)) | ||
147 | |||
148 | #define virt_to_phys __pa | ||
149 | #define phys_to_virt __va | ||
150 | |||
151 | #define ARCH_PFN_OFFSET (pfn_base) | ||
152 | #define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT))) | ||
153 | |||
154 | #define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) | ||
155 | #define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr) | ||
156 | |||
157 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
158 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
159 | |||
160 | #include <asm-generic/memory_model.h> | ||
161 | #include <asm-generic/page.h> | ||
162 | |||
163 | #endif /* _SPARC_PAGE_H */ | ||
diff --git a/include/asm-sparc/page_64.h b/include/asm-sparc/page_64.h new file mode 100644 index 000000000000..93f0881b766e --- /dev/null +++ b/include/asm-sparc/page_64.h | |||
@@ -0,0 +1,142 @@ | |||
1 | #ifndef _SPARC64_PAGE_H | ||
2 | #define _SPARC64_PAGE_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | |||
6 | #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) | ||
7 | #define PAGE_SHIFT 13 | ||
8 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) | ||
9 | #define PAGE_SHIFT 16 | ||
10 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB) | ||
11 | #define PAGE_SHIFT 19 | ||
12 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB) | ||
13 | #define PAGE_SHIFT 22 | ||
14 | #else | ||
15 | #error No page size specified in kernel configuration | ||
16 | #endif | ||
17 | |||
18 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | ||
19 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
20 | |||
21 | /* Flushing for D-cache alias handling is only needed if | ||
22 | * the page size is smaller than 16K. | ||
23 | */ | ||
24 | #if PAGE_SHIFT < 14 | ||
25 | #define DCACHE_ALIASING_POSSIBLE | ||
26 | #endif | ||
27 | |||
28 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
29 | #define HPAGE_SHIFT 22 | ||
30 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
31 | #define HPAGE_SHIFT 19 | ||
32 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
33 | #define HPAGE_SHIFT 16 | ||
34 | #endif | ||
35 | |||
36 | #ifdef CONFIG_HUGETLB_PAGE | ||
37 | #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) | ||
38 | #define HPAGE_MASK (~(HPAGE_SIZE - 1UL)) | ||
39 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) | ||
40 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | ||
41 | #endif | ||
42 | |||
43 | #ifndef __ASSEMBLY__ | ||
44 | |||
45 | extern void _clear_page(void *page); | ||
46 | #define clear_page(X) _clear_page((void *)(X)) | ||
47 | struct page; | ||
48 | extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page); | ||
49 | #define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE) | ||
50 | extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage); | ||
51 | |||
52 | /* Unlike sparc32, sparc64's parameter passing API is more | ||
53 | * sane in that structures which as small enough are passed | ||
54 | * in registers instead of on the stack. Thus, setting | ||
55 | * STRICT_MM_TYPECHECKS does not generate worse code so | ||
56 | * let's enable it to get the type checking. | ||
57 | */ | ||
58 | |||
59 | #define STRICT_MM_TYPECHECKS | ||
60 | |||
61 | #ifdef STRICT_MM_TYPECHECKS | ||
62 | /* These are used to make use of C type-checking.. */ | ||
63 | typedef struct { unsigned long pte; } pte_t; | ||
64 | typedef struct { unsigned long iopte; } iopte_t; | ||
65 | typedef struct { unsigned int pmd; } pmd_t; | ||
66 | typedef struct { unsigned int pgd; } pgd_t; | ||
67 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
68 | |||
69 | #define pte_val(x) ((x).pte) | ||
70 | #define iopte_val(x) ((x).iopte) | ||
71 | #define pmd_val(x) ((x).pmd) | ||
72 | #define pgd_val(x) ((x).pgd) | ||
73 | #define pgprot_val(x) ((x).pgprot) | ||
74 | |||
75 | #define __pte(x) ((pte_t) { (x) } ) | ||
76 | #define __iopte(x) ((iopte_t) { (x) } ) | ||
77 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
78 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
79 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
80 | |||
81 | #else | ||
82 | /* .. while these make it easier on the compiler */ | ||
83 | typedef unsigned long pte_t; | ||
84 | typedef unsigned long iopte_t; | ||
85 | typedef unsigned int pmd_t; | ||
86 | typedef unsigned int pgd_t; | ||
87 | typedef unsigned long pgprot_t; | ||
88 | |||
89 | #define pte_val(x) (x) | ||
90 | #define iopte_val(x) (x) | ||
91 | #define pmd_val(x) (x) | ||
92 | #define pgd_val(x) (x) | ||
93 | #define pgprot_val(x) (x) | ||
94 | |||
95 | #define __pte(x) (x) | ||
96 | #define __iopte(x) (x) | ||
97 | #define __pmd(x) (x) | ||
98 | #define __pgd(x) (x) | ||
99 | #define __pgprot(x) (x) | ||
100 | |||
101 | #endif /* (STRICT_MM_TYPECHECKS) */ | ||
102 | |||
103 | typedef struct page *pgtable_t; | ||
104 | |||
105 | #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \ | ||
106 | (_AC(0x0000000070000000,UL)) : \ | ||
107 | (_AC(0xfffff80000000000,UL) + (1UL << 32UL))) | ||
108 | |||
109 | #include <asm-generic/memory_model.h> | ||
110 | |||
111 | #endif /* !(__ASSEMBLY__) */ | ||
112 | |||
113 | /* to align the pointer to the (next) page boundary */ | ||
114 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
115 | |||
116 | /* We used to stick this into a hard-coded global register (%g4) | ||
117 | * but that does not make sense anymore. | ||
118 | */ | ||
119 | #define PAGE_OFFSET _AC(0xFFFFF80000000000,UL) | ||
120 | |||
121 | #ifndef __ASSEMBLY__ | ||
122 | |||
123 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) | ||
124 | #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) | ||
125 | |||
126 | #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) | ||
127 | |||
128 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr)>>PAGE_SHIFT) | ||
129 | |||
130 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ||
131 | |||
132 | #define virt_to_phys __pa | ||
133 | #define phys_to_virt __va | ||
134 | |||
135 | #endif /* !(__ASSEMBLY__) */ | ||
136 | |||
137 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
138 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
139 | |||
140 | #include <asm-generic/page.h> | ||
141 | |||
142 | #endif /* _SPARC64_PAGE_H */ | ||
diff --git a/include/asm-sparc/pci.h b/include/asm-sparc/pci.h index b93b6c79e08f..b807d52a4809 100644 --- a/include/asm-sparc/pci.h +++ b/include/asm-sparc/pci.h | |||
@@ -1,170 +1,8 @@ | |||
1 | #ifndef __SPARC_PCI_H | 1 | #ifndef ___ASM_SPARC_PCI_H |
2 | #define __SPARC_PCI_H | 2 | #define ___ASM_SPARC_PCI_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #ifdef __KERNEL__ | 4 | #include <asm-sparc/pci_64.h> |
5 | 5 | #else | |
6 | /* Can be used to override the logic in pci_scan_bus for skipping | 6 | #include <asm-sparc/pci_32.h> |
7 | * already-configured bus numbers - to be used for buggy BIOSes | 7 | #endif |
8 | * or architectures with incomplete PCI setup by the loader. | ||
9 | */ | ||
10 | #define pcibios_assign_all_busses() 0 | ||
11 | #define pcibios_scan_all_fns(a, b) 0 | ||
12 | |||
13 | #define PCIBIOS_MIN_IO 0UL | ||
14 | #define PCIBIOS_MIN_MEM 0UL | ||
15 | |||
16 | #define PCI_IRQ_NONE 0xffffffff | ||
17 | |||
18 | static inline void pcibios_set_master(struct pci_dev *dev) | ||
19 | { | ||
20 | /* No special bus mastering setup handling */ | ||
21 | } | ||
22 | |||
23 | static inline void pcibios_penalize_isa_irq(int irq, int active) | ||
24 | { | ||
25 | /* We don't do dynamic PCI IRQ allocation */ | ||
26 | } | ||
27 | |||
28 | /* Dynamic DMA mapping stuff. | ||
29 | */ | ||
30 | #define PCI_DMA_BUS_IS_PHYS (0) | ||
31 | |||
32 | #include <asm/scatterlist.h> | ||
33 | |||
34 | struct pci_dev; | ||
35 | |||
36 | /* Allocate and map kernel buffer using consistent mode DMA for a device. | ||
37 | * hwdev should be valid struct pci_dev pointer for PCI devices. | ||
38 | */ | ||
39 | extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle); | ||
40 | |||
41 | /* Free and unmap a consistent DMA buffer. | ||
42 | * cpu_addr is what was returned from pci_alloc_consistent, | ||
43 | * size must be the same as what as passed into pci_alloc_consistent, | ||
44 | * and likewise dma_addr must be the same as what *dma_addrp was set to. | ||
45 | * | ||
46 | * References to the memory and mappings assosciated with cpu_addr/dma_addr | ||
47 | * past this call are illegal. | ||
48 | */ | ||
49 | extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle); | ||
50 | |||
51 | /* Map a single buffer of the indicated size for DMA in streaming mode. | ||
52 | * The 32-bit bus address to use is returned. | ||
53 | * | ||
54 | * Once the device is given the dma address, the device owns this memory | ||
55 | * until either pci_unmap_single or pci_dma_sync_single_for_cpu is performed. | ||
56 | */ | ||
57 | extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction); | ||
58 | |||
59 | /* Unmap a single streaming mode DMA translation. The dma_addr and size | ||
60 | * must match what was provided for in a previous pci_map_single call. All | ||
61 | * other usages are undefined. | ||
62 | * | ||
63 | * After this call, reads by the cpu to the buffer are guaranteed to see | ||
64 | * whatever the device wrote there. | ||
65 | */ | ||
66 | extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction); | ||
67 | |||
68 | /* pci_unmap_{single,page} is not a nop, thus... */ | ||
69 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ | ||
70 | dma_addr_t ADDR_NAME; | ||
71 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | ||
72 | __u32 LEN_NAME; | ||
73 | #define pci_unmap_addr(PTR, ADDR_NAME) \ | ||
74 | ((PTR)->ADDR_NAME) | ||
75 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ | ||
76 | (((PTR)->ADDR_NAME) = (VAL)) | ||
77 | #define pci_unmap_len(PTR, LEN_NAME) \ | ||
78 | ((PTR)->LEN_NAME) | ||
79 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ | ||
80 | (((PTR)->LEN_NAME) = (VAL)) | ||
81 | |||
82 | /* | ||
83 | * Same as above, only with pages instead of mapped addresses. | ||
84 | */ | ||
85 | extern dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page, | ||
86 | unsigned long offset, size_t size, int direction); | ||
87 | extern void pci_unmap_page(struct pci_dev *hwdev, | ||
88 | dma_addr_t dma_address, size_t size, int direction); | ||
89 | |||
90 | /* Map a set of buffers described by scatterlist in streaming | ||
91 | * mode for DMA. This is the scather-gather version of the | ||
92 | * above pci_map_single interface. Here the scatter gather list | ||
93 | * elements are each tagged with the appropriate dma address | ||
94 | * and length. They are obtained via sg_dma_{address,length}(SG). | ||
95 | * | ||
96 | * NOTE: An implementation may be able to use a smaller number of | ||
97 | * DMA address/length pairs than there are SG table elements. | ||
98 | * (for example via virtual mapping capabilities) | ||
99 | * The routine returns the number of addr/length pairs actually | ||
100 | * used, at most nents. | ||
101 | * | ||
102 | * Device ownership issues as mentioned above for pci_map_single are | ||
103 | * the same here. | ||
104 | */ | ||
105 | extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction); | ||
106 | |||
107 | /* Unmap a set of streaming mode DMA translations. | ||
108 | * Again, cpu read rules concerning calls here are the same as for | ||
109 | * pci_unmap_single() above. | ||
110 | */ | ||
111 | extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction); | ||
112 | |||
113 | /* Make physical memory consistent for a single | ||
114 | * streaming mode DMA translation after a transfer. | ||
115 | * | ||
116 | * If you perform a pci_map_single() but wish to interrogate the | ||
117 | * buffer using the cpu, yet do not wish to teardown the PCI dma | ||
118 | * mapping, you must call this function before doing so. At the | ||
119 | * next point you give the PCI dma address back to the card, you | ||
120 | * must first perform a pci_dma_sync_for_device, and then the device | ||
121 | * again owns the buffer. | ||
122 | */ | ||
123 | extern void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); | ||
124 | extern void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); | ||
125 | |||
126 | /* Make physical memory consistent for a set of streaming | ||
127 | * mode DMA translations after a transfer. | ||
128 | * | ||
129 | * The same as pci_dma_sync_single_* but for a scatter-gather list, | ||
130 | * same rules and usage. | ||
131 | */ | ||
132 | extern void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); | ||
133 | extern void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); | ||
134 | |||
135 | /* Return whether the given PCI device DMA address mask can | ||
136 | * be supported properly. For example, if your device can | ||
137 | * only drive the low 24-bits during PCI bus mastering, then | ||
138 | * you would pass 0x00ffffff as the mask to this function. | ||
139 | */ | ||
140 | static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask) | ||
141 | { | ||
142 | return 1; | ||
143 | } | ||
144 | |||
145 | #ifdef CONFIG_PCI | ||
146 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | ||
147 | enum pci_dma_burst_strategy *strat, | ||
148 | unsigned long *strategy_parameter) | ||
149 | { | ||
150 | *strat = PCI_DMA_BURST_INFINITY; | ||
151 | *strategy_parameter = ~0UL; | ||
152 | } | ||
153 | #endif | 8 | #endif |
154 | |||
155 | #define PCI_DMA_ERROR_CODE (~(dma_addr_t)0x0) | ||
156 | |||
157 | static inline int pci_dma_mapping_error(dma_addr_t dma_addr) | ||
158 | { | ||
159 | return (dma_addr == PCI_DMA_ERROR_CODE); | ||
160 | } | ||
161 | |||
162 | struct device_node; | ||
163 | extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); | ||
164 | |||
165 | #endif /* __KERNEL__ */ | ||
166 | |||
167 | /* generic pci stuff */ | ||
168 | #include <asm-generic/pci.h> | ||
169 | |||
170 | #endif /* __SPARC_PCI_H */ | ||
diff --git a/include/asm-sparc/pci_32.h b/include/asm-sparc/pci_32.h new file mode 100644 index 000000000000..b93b6c79e08f --- /dev/null +++ b/include/asm-sparc/pci_32.h | |||
@@ -0,0 +1,170 @@ | |||
1 | #ifndef __SPARC_PCI_H | ||
2 | #define __SPARC_PCI_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | /* Can be used to override the logic in pci_scan_bus for skipping | ||
7 | * already-configured bus numbers - to be used for buggy BIOSes | ||
8 | * or architectures with incomplete PCI setup by the loader. | ||
9 | */ | ||
10 | #define pcibios_assign_all_busses() 0 | ||
11 | #define pcibios_scan_all_fns(a, b) 0 | ||
12 | |||
13 | #define PCIBIOS_MIN_IO 0UL | ||
14 | #define PCIBIOS_MIN_MEM 0UL | ||
15 | |||
16 | #define PCI_IRQ_NONE 0xffffffff | ||
17 | |||
18 | static inline void pcibios_set_master(struct pci_dev *dev) | ||
19 | { | ||
20 | /* No special bus mastering setup handling */ | ||
21 | } | ||
22 | |||
23 | static inline void pcibios_penalize_isa_irq(int irq, int active) | ||
24 | { | ||
25 | /* We don't do dynamic PCI IRQ allocation */ | ||
26 | } | ||
27 | |||
28 | /* Dynamic DMA mapping stuff. | ||
29 | */ | ||
30 | #define PCI_DMA_BUS_IS_PHYS (0) | ||
31 | |||
32 | #include <asm/scatterlist.h> | ||
33 | |||
34 | struct pci_dev; | ||
35 | |||
36 | /* Allocate and map kernel buffer using consistent mode DMA for a device. | ||
37 | * hwdev should be valid struct pci_dev pointer for PCI devices. | ||
38 | */ | ||
39 | extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle); | ||
40 | |||
41 | /* Free and unmap a consistent DMA buffer. | ||
42 | * cpu_addr is what was returned from pci_alloc_consistent, | ||
43 | * size must be the same as what as passed into pci_alloc_consistent, | ||
44 | * and likewise dma_addr must be the same as what *dma_addrp was set to. | ||
45 | * | ||
46 | * References to the memory and mappings assosciated with cpu_addr/dma_addr | ||
47 | * past this call are illegal. | ||
48 | */ | ||
49 | extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle); | ||
50 | |||
51 | /* Map a single buffer of the indicated size for DMA in streaming mode. | ||
52 | * The 32-bit bus address to use is returned. | ||
53 | * | ||
54 | * Once the device is given the dma address, the device owns this memory | ||
55 | * until either pci_unmap_single or pci_dma_sync_single_for_cpu is performed. | ||
56 | */ | ||
57 | extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction); | ||
58 | |||
59 | /* Unmap a single streaming mode DMA translation. The dma_addr and size | ||
60 | * must match what was provided for in a previous pci_map_single call. All | ||
61 | * other usages are undefined. | ||
62 | * | ||
63 | * After this call, reads by the cpu to the buffer are guaranteed to see | ||
64 | * whatever the device wrote there. | ||
65 | */ | ||
66 | extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction); | ||
67 | |||
68 | /* pci_unmap_{single,page} is not a nop, thus... */ | ||
69 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ | ||
70 | dma_addr_t ADDR_NAME; | ||
71 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | ||
72 | __u32 LEN_NAME; | ||
73 | #define pci_unmap_addr(PTR, ADDR_NAME) \ | ||
74 | ((PTR)->ADDR_NAME) | ||
75 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ | ||
76 | (((PTR)->ADDR_NAME) = (VAL)) | ||
77 | #define pci_unmap_len(PTR, LEN_NAME) \ | ||
78 | ((PTR)->LEN_NAME) | ||
79 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ | ||
80 | (((PTR)->LEN_NAME) = (VAL)) | ||
81 | |||
82 | /* | ||
83 | * Same as above, only with pages instead of mapped addresses. | ||
84 | */ | ||
85 | extern dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page, | ||
86 | unsigned long offset, size_t size, int direction); | ||
87 | extern void pci_unmap_page(struct pci_dev *hwdev, | ||
88 | dma_addr_t dma_address, size_t size, int direction); | ||
89 | |||
90 | /* Map a set of buffers described by scatterlist in streaming | ||
91 | * mode for DMA. This is the scather-gather version of the | ||
92 | * above pci_map_single interface. Here the scatter gather list | ||
93 | * elements are each tagged with the appropriate dma address | ||
94 | * and length. They are obtained via sg_dma_{address,length}(SG). | ||
95 | * | ||
96 | * NOTE: An implementation may be able to use a smaller number of | ||
97 | * DMA address/length pairs than there are SG table elements. | ||
98 | * (for example via virtual mapping capabilities) | ||
99 | * The routine returns the number of addr/length pairs actually | ||
100 | * used, at most nents. | ||
101 | * | ||
102 | * Device ownership issues as mentioned above for pci_map_single are | ||
103 | * the same here. | ||
104 | */ | ||
105 | extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction); | ||
106 | |||
107 | /* Unmap a set of streaming mode DMA translations. | ||
108 | * Again, cpu read rules concerning calls here are the same as for | ||
109 | * pci_unmap_single() above. | ||
110 | */ | ||
111 | extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction); | ||
112 | |||
113 | /* Make physical memory consistent for a single | ||
114 | * streaming mode DMA translation after a transfer. | ||
115 | * | ||
116 | * If you perform a pci_map_single() but wish to interrogate the | ||
117 | * buffer using the cpu, yet do not wish to teardown the PCI dma | ||
118 | * mapping, you must call this function before doing so. At the | ||
119 | * next point you give the PCI dma address back to the card, you | ||
120 | * must first perform a pci_dma_sync_for_device, and then the device | ||
121 | * again owns the buffer. | ||
122 | */ | ||
123 | extern void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); | ||
124 | extern void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); | ||
125 | |||
126 | /* Make physical memory consistent for a set of streaming | ||
127 | * mode DMA translations after a transfer. | ||
128 | * | ||
129 | * The same as pci_dma_sync_single_* but for a scatter-gather list, | ||
130 | * same rules and usage. | ||
131 | */ | ||
132 | extern void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); | ||
133 | extern void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); | ||
134 | |||
135 | /* Return whether the given PCI device DMA address mask can | ||
136 | * be supported properly. For example, if your device can | ||
137 | * only drive the low 24-bits during PCI bus mastering, then | ||
138 | * you would pass 0x00ffffff as the mask to this function. | ||
139 | */ | ||
140 | static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask) | ||
141 | { | ||
142 | return 1; | ||
143 | } | ||
144 | |||
145 | #ifdef CONFIG_PCI | ||
146 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | ||
147 | enum pci_dma_burst_strategy *strat, | ||
148 | unsigned long *strategy_parameter) | ||
149 | { | ||
150 | *strat = PCI_DMA_BURST_INFINITY; | ||
151 | *strategy_parameter = ~0UL; | ||
152 | } | ||
153 | #endif | ||
154 | |||
155 | #define PCI_DMA_ERROR_CODE (~(dma_addr_t)0x0) | ||
156 | |||
157 | static inline int pci_dma_mapping_error(dma_addr_t dma_addr) | ||
158 | { | ||
159 | return (dma_addr == PCI_DMA_ERROR_CODE); | ||
160 | } | ||
161 | |||
162 | struct device_node; | ||
163 | extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); | ||
164 | |||
165 | #endif /* __KERNEL__ */ | ||
166 | |||
167 | /* generic pci stuff */ | ||
168 | #include <asm-generic/pci.h> | ||
169 | |||
170 | #endif /* __SPARC_PCI_H */ | ||
diff --git a/include/asm-sparc/pci_64.h b/include/asm-sparc/pci_64.h new file mode 100644 index 000000000000..f59f2571295b --- /dev/null +++ b/include/asm-sparc/pci_64.h | |||
@@ -0,0 +1,209 @@ | |||
1 | #ifndef __SPARC64_PCI_H | ||
2 | #define __SPARC64_PCI_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | #include <linux/dma-mapping.h> | ||
7 | |||
8 | /* Can be used to override the logic in pci_scan_bus for skipping | ||
9 | * already-configured bus numbers - to be used for buggy BIOSes | ||
10 | * or architectures with incomplete PCI setup by the loader. | ||
11 | */ | ||
12 | #define pcibios_assign_all_busses() 0 | ||
13 | #define pcibios_scan_all_fns(a, b) 0 | ||
14 | |||
15 | #define PCIBIOS_MIN_IO 0UL | ||
16 | #define PCIBIOS_MIN_MEM 0UL | ||
17 | |||
18 | #define PCI_IRQ_NONE 0xffffffff | ||
19 | |||
20 | #define PCI_CACHE_LINE_BYTES 64 | ||
21 | |||
22 | static inline void pcibios_set_master(struct pci_dev *dev) | ||
23 | { | ||
24 | /* No special bus mastering setup handling */ | ||
25 | } | ||
26 | |||
27 | static inline void pcibios_penalize_isa_irq(int irq, int active) | ||
28 | { | ||
29 | /* We don't do dynamic PCI IRQ allocation */ | ||
30 | } | ||
31 | |||
32 | /* The PCI address space does not equal the physical memory | ||
33 | * address space. The networking and block device layers use | ||
34 | * this boolean for bounce buffer decisions. | ||
35 | */ | ||
36 | #define PCI_DMA_BUS_IS_PHYS (0) | ||
37 | |||
38 | static inline void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, | ||
39 | dma_addr_t *dma_handle) | ||
40 | { | ||
41 | return dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_ATOMIC); | ||
42 | } | ||
43 | |||
44 | static inline void pci_free_consistent(struct pci_dev *pdev, size_t size, | ||
45 | void *vaddr, dma_addr_t dma_handle) | ||
46 | { | ||
47 | return dma_free_coherent(&pdev->dev, size, vaddr, dma_handle); | ||
48 | } | ||
49 | |||
50 | static inline dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, | ||
51 | size_t size, int direction) | ||
52 | { | ||
53 | return dma_map_single(&pdev->dev, ptr, size, | ||
54 | (enum dma_data_direction) direction); | ||
55 | } | ||
56 | |||
57 | static inline void pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, | ||
58 | size_t size, int direction) | ||
59 | { | ||
60 | dma_unmap_single(&pdev->dev, dma_addr, size, | ||
61 | (enum dma_data_direction) direction); | ||
62 | } | ||
63 | |||
64 | #define pci_map_page(dev, page, off, size, dir) \ | ||
65 | pci_map_single(dev, (page_address(page) + (off)), size, dir) | ||
66 | #define pci_unmap_page(dev,addr,sz,dir) \ | ||
67 | pci_unmap_single(dev,addr,sz,dir) | ||
68 | |||
69 | /* pci_unmap_{single,page} is not a nop, thus... */ | ||
70 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ | ||
71 | dma_addr_t ADDR_NAME; | ||
72 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | ||
73 | __u32 LEN_NAME; | ||
74 | #define pci_unmap_addr(PTR, ADDR_NAME) \ | ||
75 | ((PTR)->ADDR_NAME) | ||
76 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ | ||
77 | (((PTR)->ADDR_NAME) = (VAL)) | ||
78 | #define pci_unmap_len(PTR, LEN_NAME) \ | ||
79 | ((PTR)->LEN_NAME) | ||
80 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ | ||
81 | (((PTR)->LEN_NAME) = (VAL)) | ||
82 | |||
83 | static inline int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, | ||
84 | int nents, int direction) | ||
85 | { | ||
86 | return dma_map_sg(&pdev->dev, sg, nents, | ||
87 | (enum dma_data_direction) direction); | ||
88 | } | ||
89 | |||
90 | static inline void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, | ||
91 | int nents, int direction) | ||
92 | { | ||
93 | dma_unmap_sg(&pdev->dev, sg, nents, | ||
94 | (enum dma_data_direction) direction); | ||
95 | } | ||
96 | |||
97 | static inline void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, | ||
98 | dma_addr_t dma_handle, | ||
99 | size_t size, int direction) | ||
100 | { | ||
101 | dma_sync_single_for_cpu(&pdev->dev, dma_handle, size, | ||
102 | (enum dma_data_direction) direction); | ||
103 | } | ||
104 | |||
105 | static inline void pci_dma_sync_single_for_device(struct pci_dev *pdev, | ||
106 | dma_addr_t dma_handle, | ||
107 | size_t size, int direction) | ||
108 | { | ||
109 | /* No flushing needed to sync cpu writes to the device. */ | ||
110 | } | ||
111 | |||
112 | static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, | ||
113 | struct scatterlist *sg, | ||
114 | int nents, int direction) | ||
115 | { | ||
116 | dma_sync_sg_for_cpu(&pdev->dev, sg, nents, | ||
117 | (enum dma_data_direction) direction); | ||
118 | } | ||
119 | |||
120 | static inline void pci_dma_sync_sg_for_device(struct pci_dev *pdev, | ||
121 | struct scatterlist *sg, | ||
122 | int nelems, int direction) | ||
123 | { | ||
124 | /* No flushing needed to sync cpu writes to the device. */ | ||
125 | } | ||
126 | |||
127 | /* Return whether the given PCI device DMA address mask can | ||
128 | * be supported properly. For example, if your device can | ||
129 | * only drive the low 24-bits during PCI bus mastering, then | ||
130 | * you would pass 0x00ffffff as the mask to this function. | ||
131 | */ | ||
132 | extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask); | ||
133 | |||
134 | /* PCI IOMMU mapping bypass support. */ | ||
135 | |||
136 | /* PCI 64-bit addressing works for all slots on all controller | ||
137 | * types on sparc64. However, it requires that the device | ||
138 | * can drive enough of the 64 bits. | ||
139 | */ | ||
140 | #define PCI64_REQUIRED_MASK (~(dma64_addr_t)0) | ||
141 | #define PCI64_ADDR_BASE 0xfffc000000000000UL | ||
142 | |||
143 | static inline int pci_dma_mapping_error(dma_addr_t dma_addr) | ||
144 | { | ||
145 | return dma_mapping_error(dma_addr); | ||
146 | } | ||
147 | |||
148 | #ifdef CONFIG_PCI | ||
149 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | ||
150 | enum pci_dma_burst_strategy *strat, | ||
151 | unsigned long *strategy_parameter) | ||
152 | { | ||
153 | unsigned long cacheline_size; | ||
154 | u8 byte; | ||
155 | |||
156 | pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); | ||
157 | if (byte == 0) | ||
158 | cacheline_size = 1024; | ||
159 | else | ||
160 | cacheline_size = (int) byte * 4; | ||
161 | |||
162 | *strat = PCI_DMA_BURST_BOUNDARY; | ||
163 | *strategy_parameter = cacheline_size; | ||
164 | } | ||
165 | #endif | ||
166 | |||
167 | /* Return the index of the PCI controller for device PDEV. */ | ||
168 | |||
169 | extern int pci_domain_nr(struct pci_bus *bus); | ||
170 | static inline int pci_proc_domain(struct pci_bus *bus) | ||
171 | { | ||
172 | return 1; | ||
173 | } | ||
174 | |||
175 | /* Platform support for /proc/bus/pci/X/Y mmap()s. */ | ||
176 | |||
177 | #define HAVE_PCI_MMAP | ||
178 | #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA | ||
179 | #define get_pci_unmapped_area get_fb_unmapped_area | ||
180 | |||
181 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | ||
182 | enum pci_mmap_state mmap_state, | ||
183 | int write_combine); | ||
184 | |||
185 | extern void | ||
186 | pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, | ||
187 | struct resource *res); | ||
188 | |||
189 | extern void | ||
190 | pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, | ||
191 | struct pci_bus_region *region); | ||
192 | |||
193 | extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *); | ||
194 | |||
195 | static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) | ||
196 | { | ||
197 | return PCI_IRQ_NONE; | ||
198 | } | ||
199 | |||
200 | struct device_node; | ||
201 | extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); | ||
202 | |||
203 | #define HAVE_ARCH_PCI_RESOURCE_TO_USER | ||
204 | extern void pci_resource_to_user(const struct pci_dev *dev, int bar, | ||
205 | const struct resource *rsrc, | ||
206 | resource_size_t *start, resource_size_t *end); | ||
207 | #endif /* __KERNEL__ */ | ||
208 | |||
209 | #endif /* __SPARC64_PCI_H */ | ||
diff --git a/include/asm-sparc/percpu.h b/include/asm-sparc/percpu.h index 06066a7aaec3..d98ed6cf2e36 100644 --- a/include/asm-sparc/percpu.h +++ b/include/asm-sparc/percpu.h | |||
@@ -1,6 +1,8 @@ | |||
1 | #ifndef __ARCH_SPARC_PERCPU__ | 1 | #ifndef ___ASM_SPARC_PERCPU_H |
2 | #define __ARCH_SPARC_PERCPU__ | 2 | #define ___ASM_SPARC_PERCPU_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm-generic/percpu.h> | 4 | #include <asm-sparc/percpu_64.h> |
5 | 5 | #else | |
6 | #endif /* __ARCH_SPARC_PERCPU__ */ | 6 | #include <asm-sparc/percpu_32.h> |
7 | #endif | ||
8 | #endif | ||
diff --git a/include/asm-sparc/percpu_32.h b/include/asm-sparc/percpu_32.h new file mode 100644 index 000000000000..06066a7aaec3 --- /dev/null +++ b/include/asm-sparc/percpu_32.h | |||
@@ -0,0 +1,6 @@ | |||
1 | #ifndef __ARCH_SPARC_PERCPU__ | ||
2 | #define __ARCH_SPARC_PERCPU__ | ||
3 | |||
4 | #include <asm-generic/percpu.h> | ||
5 | |||
6 | #endif /* __ARCH_SPARC_PERCPU__ */ | ||
diff --git a/include/asm-sparc/percpu_64.h b/include/asm-sparc/percpu_64.h new file mode 100644 index 000000000000..bee64593023e --- /dev/null +++ b/include/asm-sparc/percpu_64.h | |||
@@ -0,0 +1,28 @@ | |||
1 | #ifndef __ARCH_SPARC64_PERCPU__ | ||
2 | #define __ARCH_SPARC64_PERCPU__ | ||
3 | |||
4 | #include <linux/compiler.h> | ||
5 | |||
6 | register unsigned long __local_per_cpu_offset asm("g5"); | ||
7 | |||
8 | #ifdef CONFIG_SMP | ||
9 | |||
10 | extern void real_setup_per_cpu_areas(void); | ||
11 | |||
12 | extern unsigned long __per_cpu_base; | ||
13 | extern unsigned long __per_cpu_shift; | ||
14 | #define __per_cpu_offset(__cpu) \ | ||
15 | (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) | ||
16 | #define per_cpu_offset(x) (__per_cpu_offset(x)) | ||
17 | |||
18 | #define __my_cpu_offset __local_per_cpu_offset | ||
19 | |||
20 | #else /* ! SMP */ | ||
21 | |||
22 | #define real_setup_per_cpu_areas() do { } while (0) | ||
23 | |||
24 | #endif /* SMP */ | ||
25 | |||
26 | #include <asm-generic/percpu.h> | ||
27 | |||
28 | #endif /* __ARCH_SPARC64_PERCPU__ */ | ||
diff --git a/include/asm-sparc/pgalloc.h b/include/asm-sparc/pgalloc.h index 681582d26969..7fa02b53d392 100644 --- a/include/asm-sparc/pgalloc.h +++ b/include/asm-sparc/pgalloc.h | |||
@@ -1,68 +1,8 @@ | |||
1 | #ifndef _SPARC_PGALLOC_H | 1 | #ifndef ___ASM_SPARC_PGALLOC_H |
2 | #define _SPARC_PGALLOC_H | 2 | #define ___ASM_SPARC_PGALLOC_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/kernel.h> | 4 | #include <asm-sparc/pgalloc_64.h> |
5 | #include <linux/sched.h> | 5 | #else |
6 | 6 | #include <asm-sparc/pgalloc_32.h> | |
7 | #include <asm/page.h> | 7 | #endif |
8 | #include <asm/btfixup.h> | 8 | #endif |
9 | |||
10 | struct page; | ||
11 | |||
12 | extern struct pgtable_cache_struct { | ||
13 | unsigned long *pgd_cache; | ||
14 | unsigned long *pte_cache; | ||
15 | unsigned long pgtable_cache_sz; | ||
16 | unsigned long pgd_cache_sz; | ||
17 | } pgt_quicklists; | ||
18 | #define pgd_quicklist (pgt_quicklists.pgd_cache) | ||
19 | #define pmd_quicklist ((unsigned long *)0) | ||
20 | #define pte_quicklist (pgt_quicklists.pte_cache) | ||
21 | #define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz) | ||
22 | #define pgd_cache_size (pgt_quicklists.pgd_cache_sz) | ||
23 | |||
24 | extern void check_pgt_cache(void); | ||
25 | BTFIXUPDEF_CALL(void, do_check_pgt_cache, int, int) | ||
26 | #define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high) | ||
27 | |||
28 | BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void) | ||
29 | #define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)() | ||
30 | |||
31 | BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *) | ||
32 | #define free_pgd_fast(pgd) BTFIXUP_CALL(free_pgd_fast)(pgd) | ||
33 | |||
34 | #define pgd_free(mm, pgd) free_pgd_fast(pgd) | ||
35 | #define pgd_alloc(mm) get_pgd_fast() | ||
36 | |||
37 | BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *) | ||
38 | #define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp) | ||
39 | #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) | ||
40 | |||
41 | BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long) | ||
42 | #define pmd_alloc_one(mm, address) BTFIXUP_CALL(pmd_alloc_one)(mm, address) | ||
43 | |||
44 | BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *) | ||
45 | #define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd) | ||
46 | |||
47 | #define pmd_free(mm, pmd) free_pmd_fast(pmd) | ||
48 | #define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd) | ||
49 | |||
50 | BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *) | ||
51 | #define pmd_populate(MM, PMD, PTE) BTFIXUP_CALL(pmd_populate)(PMD, PTE) | ||
52 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
53 | BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *) | ||
54 | #define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE) | ||
55 | |||
56 | BTFIXUPDEF_CALL(pgtable_t , pte_alloc_one, struct mm_struct *, unsigned long) | ||
57 | #define pte_alloc_one(mm, address) BTFIXUP_CALL(pte_alloc_one)(mm, address) | ||
58 | BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long) | ||
59 | #define pte_alloc_one_kernel(mm, addr) BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr) | ||
60 | |||
61 | BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *) | ||
62 | #define pte_free_kernel(mm, pte) BTFIXUP_CALL(free_pte_fast)(pte) | ||
63 | |||
64 | BTFIXUPDEF_CALL(void, pte_free, pgtable_t ) | ||
65 | #define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte) | ||
66 | #define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte) | ||
67 | |||
68 | #endif /* _SPARC_PGALLOC_H */ | ||
diff --git a/include/asm-sparc/pgalloc_32.h b/include/asm-sparc/pgalloc_32.h new file mode 100644 index 000000000000..681582d26969 --- /dev/null +++ b/include/asm-sparc/pgalloc_32.h | |||
@@ -0,0 +1,68 @@ | |||
1 | #ifndef _SPARC_PGALLOC_H | ||
2 | #define _SPARC_PGALLOC_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/sched.h> | ||
6 | |||
7 | #include <asm/page.h> | ||
8 | #include <asm/btfixup.h> | ||
9 | |||
10 | struct page; | ||
11 | |||
12 | extern struct pgtable_cache_struct { | ||
13 | unsigned long *pgd_cache; | ||
14 | unsigned long *pte_cache; | ||
15 | unsigned long pgtable_cache_sz; | ||
16 | unsigned long pgd_cache_sz; | ||
17 | } pgt_quicklists; | ||
18 | #define pgd_quicklist (pgt_quicklists.pgd_cache) | ||
19 | #define pmd_quicklist ((unsigned long *)0) | ||
20 | #define pte_quicklist (pgt_quicklists.pte_cache) | ||
21 | #define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz) | ||
22 | #define pgd_cache_size (pgt_quicklists.pgd_cache_sz) | ||
23 | |||
24 | extern void check_pgt_cache(void); | ||
25 | BTFIXUPDEF_CALL(void, do_check_pgt_cache, int, int) | ||
26 | #define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high) | ||
27 | |||
28 | BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void) | ||
29 | #define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)() | ||
30 | |||
31 | BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *) | ||
32 | #define free_pgd_fast(pgd) BTFIXUP_CALL(free_pgd_fast)(pgd) | ||
33 | |||
34 | #define pgd_free(mm, pgd) free_pgd_fast(pgd) | ||
35 | #define pgd_alloc(mm) get_pgd_fast() | ||
36 | |||
37 | BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *) | ||
38 | #define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp) | ||
39 | #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) | ||
40 | |||
41 | BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long) | ||
42 | #define pmd_alloc_one(mm, address) BTFIXUP_CALL(pmd_alloc_one)(mm, address) | ||
43 | |||
44 | BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *) | ||
45 | #define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd) | ||
46 | |||
47 | #define pmd_free(mm, pmd) free_pmd_fast(pmd) | ||
48 | #define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd) | ||
49 | |||
50 | BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *) | ||
51 | #define pmd_populate(MM, PMD, PTE) BTFIXUP_CALL(pmd_populate)(PMD, PTE) | ||
52 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
53 | BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *) | ||
54 | #define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE) | ||
55 | |||
56 | BTFIXUPDEF_CALL(pgtable_t , pte_alloc_one, struct mm_struct *, unsigned long) | ||
57 | #define pte_alloc_one(mm, address) BTFIXUP_CALL(pte_alloc_one)(mm, address) | ||
58 | BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long) | ||
59 | #define pte_alloc_one_kernel(mm, addr) BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr) | ||
60 | |||
61 | BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *) | ||
62 | #define pte_free_kernel(mm, pte) BTFIXUP_CALL(free_pte_fast)(pte) | ||
63 | |||
64 | BTFIXUPDEF_CALL(void, pte_free, pgtable_t ) | ||
65 | #define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte) | ||
66 | #define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte) | ||
67 | |||
68 | #endif /* _SPARC_PGALLOC_H */ | ||
diff --git a/include/asm-sparc/pgalloc_64.h b/include/asm-sparc/pgalloc_64.h new file mode 100644 index 000000000000..5bdfa2c6e400 --- /dev/null +++ b/include/asm-sparc/pgalloc_64.h | |||
@@ -0,0 +1,81 @@ | |||
1 | #ifndef _SPARC64_PGALLOC_H | ||
2 | #define _SPARC64_PGALLOC_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/sched.h> | ||
6 | #include <linux/mm.h> | ||
7 | #include <linux/slab.h> | ||
8 | #include <linux/quicklist.h> | ||
9 | |||
10 | #include <asm/spitfire.h> | ||
11 | #include <asm/cpudata.h> | ||
12 | #include <asm/cacheflush.h> | ||
13 | #include <asm/page.h> | ||
14 | |||
15 | /* Page table allocation/freeing. */ | ||
16 | |||
17 | static inline pgd_t *pgd_alloc(struct mm_struct *mm) | ||
18 | { | ||
19 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
20 | } | ||
21 | |||
22 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
23 | { | ||
24 | quicklist_free(0, NULL, pgd); | ||
25 | } | ||
26 | |||
27 | #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) | ||
28 | |||
29 | static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | ||
30 | { | ||
31 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
32 | } | ||
33 | |||
34 | static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) | ||
35 | { | ||
36 | quicklist_free(0, NULL, pmd); | ||
37 | } | ||
38 | |||
39 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
40 | unsigned long address) | ||
41 | { | ||
42 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
43 | } | ||
44 | |||
45 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
46 | unsigned long address) | ||
47 | { | ||
48 | struct page *page; | ||
49 | void *pg; | ||
50 | |||
51 | pg = quicklist_alloc(0, GFP_KERNEL, NULL); | ||
52 | if (!pg) | ||
53 | return NULL; | ||
54 | page = virt_to_page(pg); | ||
55 | pgtable_page_ctor(page); | ||
56 | return page; | ||
57 | } | ||
58 | |||
59 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
60 | { | ||
61 | quicklist_free(0, NULL, pte); | ||
62 | } | ||
63 | |||
64 | static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | ||
65 | { | ||
66 | pgtable_page_dtor(ptepage); | ||
67 | quicklist_free_page(0, NULL, ptepage); | ||
68 | } | ||
69 | |||
70 | |||
71 | #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) | ||
72 | #define pmd_populate(MM,PMD,PTE_PAGE) \ | ||
73 | pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) | ||
74 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
75 | |||
76 | static inline void check_pgt_cache(void) | ||
77 | { | ||
78 | quicklist_trim(0, NULL, 25, 16); | ||
79 | } | ||
80 | |||
81 | #endif /* _SPARC64_PGALLOC_H */ | ||
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h index b63ac6b4119f..63cdef53bc52 100644 --- a/include/asm-sparc/pgtable.h +++ b/include/asm-sparc/pgtable.h | |||
@@ -1,480 +1,8 @@ | |||
1 | #ifndef _SPARC_PGTABLE_H | 1 | #ifndef ___ASM_SPARC_PGTABLE_H |
2 | #define _SPARC_PGTABLE_H | 2 | #define ___ASM_SPARC_PGTABLE_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* asm-sparc/pgtable.h: Defines and functions used to work | 4 | #include <asm-sparc/pgtable_64.h> |
5 | * with Sparc page tables. | ||
6 | * | ||
7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
8 | * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | #include <asm-generic/4level-fixup.h> | ||
13 | |||
14 | #include <linux/spinlock.h> | ||
15 | #include <linux/swap.h> | ||
16 | #include <asm/types.h> | ||
17 | #ifdef CONFIG_SUN4 | ||
18 | #include <asm/pgtsun4.h> | ||
19 | #else | 5 | #else |
20 | #include <asm/pgtsun4c.h> | 6 | #include <asm-sparc/pgtable_32.h> |
21 | #endif | 7 | #endif |
22 | #include <asm/pgtsrmmu.h> | ||
23 | #include <asm/vac-ops.h> | ||
24 | #include <asm/oplib.h> | ||
25 | #include <asm/btfixup.h> | ||
26 | #include <asm/system.h> | ||
27 | |||
28 | |||
29 | struct vm_area_struct; | ||
30 | struct page; | ||
31 | |||
32 | extern void load_mmu(void); | ||
33 | extern unsigned long calc_highpages(void); | ||
34 | |||
35 | BTFIXUPDEF_SIMM13(pgdir_shift) | ||
36 | BTFIXUPDEF_SETHI(pgdir_size) | ||
37 | BTFIXUPDEF_SETHI(pgdir_mask) | ||
38 | |||
39 | BTFIXUPDEF_SIMM13(ptrs_per_pmd) | ||
40 | BTFIXUPDEF_SIMM13(ptrs_per_pgd) | ||
41 | BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) | ||
42 | |||
43 | #define pte_ERROR(e) __builtin_trap() | ||
44 | #define pmd_ERROR(e) __builtin_trap() | ||
45 | #define pgd_ERROR(e) __builtin_trap() | ||
46 | |||
47 | BTFIXUPDEF_INT(page_none) | ||
48 | BTFIXUPDEF_INT(page_copy) | ||
49 | BTFIXUPDEF_INT(page_readonly) | ||
50 | BTFIXUPDEF_INT(page_kernel) | ||
51 | |||
52 | #define PMD_SHIFT SUN4C_PMD_SHIFT | ||
53 | #define PMD_SIZE (1UL << PMD_SHIFT) | ||
54 | #define PMD_MASK (~(PMD_SIZE-1)) | ||
55 | #define PMD_ALIGN(__addr) (((__addr) + ~PMD_MASK) & PMD_MASK) | ||
56 | #define PGDIR_SHIFT BTFIXUP_SIMM13(pgdir_shift) | ||
57 | #define PGDIR_SIZE BTFIXUP_SETHI(pgdir_size) | ||
58 | #define PGDIR_MASK BTFIXUP_SETHI(pgdir_mask) | ||
59 | #define PTRS_PER_PTE 1024 | ||
60 | #define PTRS_PER_PMD BTFIXUP_SIMM13(ptrs_per_pmd) | ||
61 | #define PTRS_PER_PGD BTFIXUP_SIMM13(ptrs_per_pgd) | ||
62 | #define USER_PTRS_PER_PGD BTFIXUP_SIMM13(user_ptrs_per_pgd) | ||
63 | #define FIRST_USER_ADDRESS 0 | ||
64 | #define PTE_SIZE (PTRS_PER_PTE*4) | ||
65 | |||
66 | #define PAGE_NONE __pgprot(BTFIXUP_INT(page_none)) | ||
67 | extern pgprot_t PAGE_SHARED; | ||
68 | #define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) | ||
69 | #define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) | ||
70 | |||
71 | extern unsigned long page_kernel; | ||
72 | |||
73 | #ifdef MODULE | ||
74 | #define PAGE_KERNEL page_kernel | ||
75 | #else | ||
76 | #define PAGE_KERNEL __pgprot(BTFIXUP_INT(page_kernel)) | ||
77 | #endif | 8 | #endif |
78 | |||
79 | /* Top-level page directory */ | ||
80 | extern pgd_t swapper_pg_dir[1024]; | ||
81 | |||
82 | extern void paging_init(void); | ||
83 | |||
84 | /* Page table for 0-4MB for everybody, on the Sparc this | ||
85 | * holds the same as on the i386. | ||
86 | */ | ||
87 | extern pte_t pg0[1024]; | ||
88 | extern pte_t pg1[1024]; | ||
89 | extern pte_t pg2[1024]; | ||
90 | extern pte_t pg3[1024]; | ||
91 | |||
92 | extern unsigned long ptr_in_current_pgd; | ||
93 | |||
94 | /* Here is a trick, since mmap.c need the initializer elements for | ||
95 | * protection_map[] to be constant at compile time, I set the following | ||
96 | * to all zeros. I set it to the real values after I link in the | ||
97 | * appropriate MMU page table routines at boot time. | ||
98 | */ | ||
99 | #define __P000 __pgprot(0) | ||
100 | #define __P001 __pgprot(0) | ||
101 | #define __P010 __pgprot(0) | ||
102 | #define __P011 __pgprot(0) | ||
103 | #define __P100 __pgprot(0) | ||
104 | #define __P101 __pgprot(0) | ||
105 | #define __P110 __pgprot(0) | ||
106 | #define __P111 __pgprot(0) | ||
107 | |||
108 | #define __S000 __pgprot(0) | ||
109 | #define __S001 __pgprot(0) | ||
110 | #define __S010 __pgprot(0) | ||
111 | #define __S011 __pgprot(0) | ||
112 | #define __S100 __pgprot(0) | ||
113 | #define __S101 __pgprot(0) | ||
114 | #define __S110 __pgprot(0) | ||
115 | #define __S111 __pgprot(0) | ||
116 | |||
117 | extern int num_contexts; | ||
118 | |||
119 | /* First physical page can be anywhere, the following is needed so that | ||
120 | * va-->pa and vice versa conversions work properly without performance | ||
121 | * hit for all __pa()/__va() operations. | ||
122 | */ | ||
123 | extern unsigned long phys_base; | ||
124 | extern unsigned long pfn_base; | ||
125 | |||
126 | /* | ||
127 | * BAD_PAGETABLE is used when we need a bogus page-table, while | ||
128 | * BAD_PAGE is used for a bogus page. | ||
129 | * | ||
130 | * ZERO_PAGE is a global shared page that is always zero: used | ||
131 | * for zero-mapped memory areas etc.. | ||
132 | */ | ||
133 | extern pte_t * __bad_pagetable(void); | ||
134 | extern pte_t __bad_page(void); | ||
135 | extern unsigned long empty_zero_page; | ||
136 | |||
137 | #define BAD_PAGETABLE __bad_pagetable() | ||
138 | #define BAD_PAGE __bad_page() | ||
139 | #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page)) | ||
140 | |||
141 | /* | ||
142 | */ | ||
143 | BTFIXUPDEF_CALL_CONST(struct page *, pmd_page, pmd_t) | ||
144 | BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t) | ||
145 | |||
146 | #define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd) | ||
147 | #define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd) | ||
148 | |||
149 | BTFIXUPDEF_SETHI(none_mask) | ||
150 | BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t) | ||
151 | BTFIXUPDEF_CALL(void, pte_clear, pte_t *) | ||
152 | |||
153 | static inline int pte_none(pte_t pte) | ||
154 | { | ||
155 | return !(pte_val(pte) & ~BTFIXUP_SETHI(none_mask)); | ||
156 | } | ||
157 | |||
158 | #define pte_present(pte) BTFIXUP_CALL(pte_present)(pte) | ||
159 | #define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte) | ||
160 | |||
161 | BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t) | ||
162 | BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t) | ||
163 | BTFIXUPDEF_CALL(void, pmd_clear, pmd_t *) | ||
164 | |||
165 | static inline int pmd_none(pmd_t pmd) | ||
166 | { | ||
167 | return !(pmd_val(pmd) & ~BTFIXUP_SETHI(none_mask)); | ||
168 | } | ||
169 | |||
170 | #define pmd_bad(pmd) BTFIXUP_CALL(pmd_bad)(pmd) | ||
171 | #define pmd_present(pmd) BTFIXUP_CALL(pmd_present)(pmd) | ||
172 | #define pmd_clear(pmd) BTFIXUP_CALL(pmd_clear)(pmd) | ||
173 | |||
174 | BTFIXUPDEF_CALL_CONST(int, pgd_none, pgd_t) | ||
175 | BTFIXUPDEF_CALL_CONST(int, pgd_bad, pgd_t) | ||
176 | BTFIXUPDEF_CALL_CONST(int, pgd_present, pgd_t) | ||
177 | BTFIXUPDEF_CALL(void, pgd_clear, pgd_t *) | ||
178 | |||
179 | #define pgd_none(pgd) BTFIXUP_CALL(pgd_none)(pgd) | ||
180 | #define pgd_bad(pgd) BTFIXUP_CALL(pgd_bad)(pgd) | ||
181 | #define pgd_present(pgd) BTFIXUP_CALL(pgd_present)(pgd) | ||
182 | #define pgd_clear(pgd) BTFIXUP_CALL(pgd_clear)(pgd) | ||
183 | |||
184 | /* | ||
185 | * The following only work if pte_present() is true. | ||
186 | * Undefined behaviour if not.. | ||
187 | */ | ||
188 | BTFIXUPDEF_HALF(pte_writei) | ||
189 | BTFIXUPDEF_HALF(pte_dirtyi) | ||
190 | BTFIXUPDEF_HALF(pte_youngi) | ||
191 | |||
192 | static int pte_write(pte_t pte) __attribute_const__; | ||
193 | static inline int pte_write(pte_t pte) | ||
194 | { | ||
195 | return pte_val(pte) & BTFIXUP_HALF(pte_writei); | ||
196 | } | ||
197 | |||
198 | static int pte_dirty(pte_t pte) __attribute_const__; | ||
199 | static inline int pte_dirty(pte_t pte) | ||
200 | { | ||
201 | return pte_val(pte) & BTFIXUP_HALF(pte_dirtyi); | ||
202 | } | ||
203 | |||
204 | static int pte_young(pte_t pte) __attribute_const__; | ||
205 | static inline int pte_young(pte_t pte) | ||
206 | { | ||
207 | return pte_val(pte) & BTFIXUP_HALF(pte_youngi); | ||
208 | } | ||
209 | |||
210 | /* | ||
211 | * The following only work if pte_present() is not true. | ||
212 | */ | ||
213 | BTFIXUPDEF_HALF(pte_filei) | ||
214 | |||
215 | static int pte_file(pte_t pte) __attribute_const__; | ||
216 | static inline int pte_file(pte_t pte) | ||
217 | { | ||
218 | return pte_val(pte) & BTFIXUP_HALF(pte_filei); | ||
219 | } | ||
220 | |||
221 | static inline int pte_special(pte_t pte) | ||
222 | { | ||
223 | return 0; | ||
224 | } | ||
225 | |||
226 | /* | ||
227 | */ | ||
228 | BTFIXUPDEF_HALF(pte_wrprotecti) | ||
229 | BTFIXUPDEF_HALF(pte_mkcleani) | ||
230 | BTFIXUPDEF_HALF(pte_mkoldi) | ||
231 | |||
232 | static pte_t pte_wrprotect(pte_t pte) __attribute_const__; | ||
233 | static inline pte_t pte_wrprotect(pte_t pte) | ||
234 | { | ||
235 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_wrprotecti)); | ||
236 | } | ||
237 | |||
238 | static pte_t pte_mkclean(pte_t pte) __attribute_const__; | ||
239 | static inline pte_t pte_mkclean(pte_t pte) | ||
240 | { | ||
241 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkcleani)); | ||
242 | } | ||
243 | |||
244 | static pte_t pte_mkold(pte_t pte) __attribute_const__; | ||
245 | static inline pte_t pte_mkold(pte_t pte) | ||
246 | { | ||
247 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkoldi)); | ||
248 | } | ||
249 | |||
250 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkwrite, pte_t) | ||
251 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkdirty, pte_t) | ||
252 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t) | ||
253 | |||
254 | #define pte_mkwrite(pte) BTFIXUP_CALL(pte_mkwrite)(pte) | ||
255 | #define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte) | ||
256 | #define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte) | ||
257 | |||
258 | #define pte_mkspecial(pte) (pte) | ||
259 | |||
260 | #define pfn_pte(pfn, prot) mk_pte(pfn_to_page(pfn), prot) | ||
261 | |||
262 | BTFIXUPDEF_CALL(unsigned long, pte_pfn, pte_t) | ||
263 | #define pte_pfn(pte) BTFIXUP_CALL(pte_pfn)(pte) | ||
264 | #define pte_page(pte) pfn_to_page(pte_pfn(pte)) | ||
265 | |||
266 | /* | ||
267 | * Conversion functions: convert a page and protection to a page entry, | ||
268 | * and a page entry and page directory to the page they refer to. | ||
269 | */ | ||
270 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t) | ||
271 | |||
272 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t) | ||
273 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int) | ||
274 | BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t) | ||
275 | |||
276 | #define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot) | ||
277 | #define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot) | ||
278 | #define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space) | ||
279 | |||
280 | #define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot) | ||
281 | |||
282 | BTFIXUPDEF_INT(pte_modify_mask) | ||
283 | |||
284 | static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__; | ||
285 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | ||
286 | { | ||
287 | return __pte((pte_val(pte) & BTFIXUP_INT(pte_modify_mask)) | | ||
288 | pgprot_val(newprot)); | ||
289 | } | ||
290 | |||
291 | #define pgd_index(address) ((address) >> PGDIR_SHIFT) | ||
292 | |||
293 | /* to find an entry in a page-table-directory */ | ||
294 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | ||
295 | |||
296 | /* to find an entry in a kernel page-table-directory */ | ||
297 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) | ||
298 | |||
299 | /* Find an entry in the second-level page table.. */ | ||
300 | BTFIXUPDEF_CALL(pmd_t *, pmd_offset, pgd_t *, unsigned long) | ||
301 | #define pmd_offset(dir,addr) BTFIXUP_CALL(pmd_offset)(dir,addr) | ||
302 | |||
303 | /* Find an entry in the third-level page table.. */ | ||
304 | BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long) | ||
305 | #define pte_offset_kernel(dir,addr) BTFIXUP_CALL(pte_offset_kernel)(dir,addr) | ||
306 | |||
307 | /* | ||
308 | * This shortcut works on sun4m (and sun4d) because the nocache area is static, | ||
309 | * and sun4c is guaranteed to have no highmem anyway. | ||
310 | */ | ||
311 | #define pte_offset_map(d, a) pte_offset_kernel(d,a) | ||
312 | #define pte_offset_map_nested(d, a) pte_offset_kernel(d,a) | ||
313 | |||
314 | #define pte_unmap(pte) do{}while(0) | ||
315 | #define pte_unmap_nested(pte) do{}while(0) | ||
316 | |||
317 | /* Certain architectures need to do special things when pte's | ||
318 | * within a page table are directly modified. Thus, the following | ||
319 | * hook is made available. | ||
320 | */ | ||
321 | |||
322 | BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t) | ||
323 | |||
324 | #define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval) | ||
325 | #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) | ||
326 | |||
327 | struct seq_file; | ||
328 | BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) | ||
329 | |||
330 | #define mmu_info(p) BTFIXUP_CALL(mmu_info)(p) | ||
331 | |||
332 | /* Fault handler stuff... */ | ||
333 | #define FAULT_CODE_PROT 0x1 | ||
334 | #define FAULT_CODE_WRITE 0x2 | ||
335 | #define FAULT_CODE_USER 0x4 | ||
336 | |||
337 | BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t) | ||
338 | |||
339 | #define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte) | ||
340 | |||
341 | BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long, | ||
342 | unsigned long, unsigned int) | ||
343 | BTFIXUPDEF_CALL(void, sparc_unmapiorange, unsigned long, unsigned int) | ||
344 | #define sparc_mapiorange(bus,pa,va,len) BTFIXUP_CALL(sparc_mapiorange)(bus,pa,va,len) | ||
345 | #define sparc_unmapiorange(va,len) BTFIXUP_CALL(sparc_unmapiorange)(va,len) | ||
346 | |||
347 | extern int invalid_segment; | ||
348 | |||
349 | /* Encode and de-code a swap entry */ | ||
350 | BTFIXUPDEF_CALL(unsigned long, __swp_type, swp_entry_t) | ||
351 | BTFIXUPDEF_CALL(unsigned long, __swp_offset, swp_entry_t) | ||
352 | BTFIXUPDEF_CALL(swp_entry_t, __swp_entry, unsigned long, unsigned long) | ||
353 | |||
354 | #define __swp_type(__x) BTFIXUP_CALL(__swp_type)(__x) | ||
355 | #define __swp_offset(__x) BTFIXUP_CALL(__swp_offset)(__x) | ||
356 | #define __swp_entry(__type,__off) BTFIXUP_CALL(__swp_entry)(__type,__off) | ||
357 | |||
358 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
359 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
360 | |||
361 | /* file-offset-in-pte helpers */ | ||
362 | BTFIXUPDEF_CALL(unsigned long, pte_to_pgoff, pte_t pte); | ||
363 | BTFIXUPDEF_CALL(pte_t, pgoff_to_pte, unsigned long pgoff); | ||
364 | |||
365 | #define pte_to_pgoff(pte) BTFIXUP_CALL(pte_to_pgoff)(pte) | ||
366 | #define pgoff_to_pte(off) BTFIXUP_CALL(pgoff_to_pte)(off) | ||
367 | |||
368 | /* | ||
369 | * This is made a constant because mm/fremap.c required a constant. | ||
370 | * Note that layout of these bits is different between sun4c.c and srmmu.c. | ||
371 | */ | ||
372 | #define PTE_FILE_MAX_BITS 24 | ||
373 | |||
374 | /* | ||
375 | */ | ||
376 | struct ctx_list { | ||
377 | struct ctx_list *next; | ||
378 | struct ctx_list *prev; | ||
379 | unsigned int ctx_number; | ||
380 | struct mm_struct *ctx_mm; | ||
381 | }; | ||
382 | |||
383 | extern struct ctx_list *ctx_list_pool; /* Dynamically allocated */ | ||
384 | extern struct ctx_list ctx_free; /* Head of free list */ | ||
385 | extern struct ctx_list ctx_used; /* Head of used contexts list */ | ||
386 | |||
387 | #define NO_CONTEXT -1 | ||
388 | |||
389 | static inline void remove_from_ctx_list(struct ctx_list *entry) | ||
390 | { | ||
391 | entry->next->prev = entry->prev; | ||
392 | entry->prev->next = entry->next; | ||
393 | } | ||
394 | |||
395 | static inline void add_to_ctx_list(struct ctx_list *head, struct ctx_list *entry) | ||
396 | { | ||
397 | entry->next = head; | ||
398 | (entry->prev = head->prev)->next = entry; | ||
399 | head->prev = entry; | ||
400 | } | ||
401 | #define add_to_free_ctxlist(entry) add_to_ctx_list(&ctx_free, entry) | ||
402 | #define add_to_used_ctxlist(entry) add_to_ctx_list(&ctx_used, entry) | ||
403 | |||
404 | static inline unsigned long | ||
405 | __get_phys (unsigned long addr) | ||
406 | { | ||
407 | switch (sparc_cpu_model){ | ||
408 | case sun4: | ||
409 | case sun4c: | ||
410 | return sun4c_get_pte (addr) << PAGE_SHIFT; | ||
411 | case sun4m: | ||
412 | case sun4d: | ||
413 | return ((srmmu_get_pte (addr) & 0xffffff00) << 4); | ||
414 | default: | ||
415 | return 0; | ||
416 | } | ||
417 | } | ||
418 | |||
419 | static inline int | ||
420 | __get_iospace (unsigned long addr) | ||
421 | { | ||
422 | switch (sparc_cpu_model){ | ||
423 | case sun4: | ||
424 | case sun4c: | ||
425 | return -1; /* Don't check iospace on sun4c */ | ||
426 | case sun4m: | ||
427 | case sun4d: | ||
428 | return (srmmu_get_pte (addr) >> 28); | ||
429 | default: | ||
430 | return -1; | ||
431 | } | ||
432 | } | ||
433 | |||
434 | extern unsigned long *sparc_valid_addr_bitmap; | ||
435 | |||
436 | /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ | ||
437 | #define kern_addr_valid(addr) \ | ||
438 | (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) | ||
439 | |||
440 | extern int io_remap_pfn_range(struct vm_area_struct *vma, | ||
441 | unsigned long from, unsigned long pfn, | ||
442 | unsigned long size, pgprot_t prot); | ||
443 | |||
444 | /* | ||
445 | * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in | ||
446 | * its high 4 bits. These macros/functions put it there or get it from there. | ||
447 | */ | ||
448 | #define MK_IOSPACE_PFN(space, pfn) (pfn | (space << (BITS_PER_LONG - 4))) | ||
449 | #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) | ||
450 | #define GET_PFN(pfn) (pfn & 0x0fffffffUL) | ||
451 | |||
452 | #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS | ||
453 | #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ | ||
454 | ({ \ | ||
455 | int __changed = !pte_same(*(__ptep), __entry); \ | ||
456 | if (__changed) { \ | ||
457 | set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \ | ||
458 | flush_tlb_page(__vma, __address); \ | ||
459 | } \ | ||
460 | (sparc_cpu_model == sun4c) || __changed; \ | ||
461 | }) | ||
462 | |||
463 | #include <asm-generic/pgtable.h> | ||
464 | |||
465 | #endif /* !(__ASSEMBLY__) */ | ||
466 | |||
467 | #define VMALLOC_START 0xfe600000 | ||
468 | /* XXX Alter this when I get around to fixing sun4c - Anton */ | ||
469 | #define VMALLOC_END 0xffc00000 | ||
470 | |||
471 | |||
472 | /* We provide our own get_unmapped_area to cope with VA holes for userland */ | ||
473 | #define HAVE_ARCH_UNMAPPED_AREA | ||
474 | |||
475 | /* | ||
476 | * No page table caches to initialise | ||
477 | */ | ||
478 | #define pgtable_cache_init() do { } while (0) | ||
479 | |||
480 | #endif /* !(_SPARC_PGTABLE_H) */ | ||
diff --git a/include/asm-sparc/pgtable_32.h b/include/asm-sparc/pgtable_32.h new file mode 100644 index 000000000000..781bd4694a1c --- /dev/null +++ b/include/asm-sparc/pgtable_32.h | |||
@@ -0,0 +1,480 @@ | |||
1 | #ifndef _SPARC_PGTABLE_H | ||
2 | #define _SPARC_PGTABLE_H | ||
3 | |||
4 | /* asm-sparc/pgtable.h: Defines and functions used to work | ||
5 | * with Sparc page tables. | ||
6 | * | ||
7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
8 | * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | #include <asm-generic/4level-fixup.h> | ||
13 | |||
14 | #include <linux/spinlock.h> | ||
15 | #include <linux/swap.h> | ||
16 | #include <asm/types.h> | ||
17 | #ifdef CONFIG_SUN4 | ||
18 | #include <asm/pgtsun4.h> | ||
19 | #else | ||
20 | #include <asm/pgtsun4c.h> | ||
21 | #endif | ||
22 | #include <asm/pgtsrmmu.h> | ||
23 | #include <asm/vac-ops.h> | ||
24 | #include <asm/oplib.h> | ||
25 | #include <asm/btfixup.h> | ||
26 | #include <asm/system.h> | ||
27 | |||
28 | |||
29 | struct vm_area_struct; | ||
30 | struct page; | ||
31 | |||
32 | extern void load_mmu(void); | ||
33 | extern unsigned long calc_highpages(void); | ||
34 | |||
35 | BTFIXUPDEF_SIMM13(pgdir_shift) | ||
36 | BTFIXUPDEF_SETHI(pgdir_size) | ||
37 | BTFIXUPDEF_SETHI(pgdir_mask) | ||
38 | |||
39 | BTFIXUPDEF_SIMM13(ptrs_per_pmd) | ||
40 | BTFIXUPDEF_SIMM13(ptrs_per_pgd) | ||
41 | BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) | ||
42 | |||
43 | #define pte_ERROR(e) __builtin_trap() | ||
44 | #define pmd_ERROR(e) __builtin_trap() | ||
45 | #define pgd_ERROR(e) __builtin_trap() | ||
46 | |||
47 | BTFIXUPDEF_INT(page_none) | ||
48 | BTFIXUPDEF_INT(page_copy) | ||
49 | BTFIXUPDEF_INT(page_readonly) | ||
50 | BTFIXUPDEF_INT(page_kernel) | ||
51 | |||
52 | #define PMD_SHIFT SUN4C_PMD_SHIFT | ||
53 | #define PMD_SIZE (1UL << PMD_SHIFT) | ||
54 | #define PMD_MASK (~(PMD_SIZE-1)) | ||
55 | #define PMD_ALIGN(__addr) (((__addr) + ~PMD_MASK) & PMD_MASK) | ||
56 | #define PGDIR_SHIFT BTFIXUP_SIMM13(pgdir_shift) | ||
57 | #define PGDIR_SIZE BTFIXUP_SETHI(pgdir_size) | ||
58 | #define PGDIR_MASK BTFIXUP_SETHI(pgdir_mask) | ||
59 | #define PTRS_PER_PTE 1024 | ||
60 | #define PTRS_PER_PMD BTFIXUP_SIMM13(ptrs_per_pmd) | ||
61 | #define PTRS_PER_PGD BTFIXUP_SIMM13(ptrs_per_pgd) | ||
62 | #define USER_PTRS_PER_PGD BTFIXUP_SIMM13(user_ptrs_per_pgd) | ||
63 | #define FIRST_USER_ADDRESS 0 | ||
64 | #define PTE_SIZE (PTRS_PER_PTE*4) | ||
65 | |||
66 | #define PAGE_NONE __pgprot(BTFIXUP_INT(page_none)) | ||
67 | extern pgprot_t PAGE_SHARED; | ||
68 | #define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) | ||
69 | #define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) | ||
70 | |||
71 | extern unsigned long page_kernel; | ||
72 | |||
73 | #ifdef MODULE | ||
74 | #define PAGE_KERNEL page_kernel | ||
75 | #else | ||
76 | #define PAGE_KERNEL __pgprot(BTFIXUP_INT(page_kernel)) | ||
77 | #endif | ||
78 | |||
79 | /* Top-level page directory */ | ||
80 | extern pgd_t swapper_pg_dir[1024]; | ||
81 | |||
82 | extern void paging_init(void); | ||
83 | |||
84 | /* Page table for 0-4MB for everybody, on the Sparc this | ||
85 | * holds the same as on the i386. | ||
86 | */ | ||
87 | extern pte_t pg0[1024]; | ||
88 | extern pte_t pg1[1024]; | ||
89 | extern pte_t pg2[1024]; | ||
90 | extern pte_t pg3[1024]; | ||
91 | |||
92 | extern unsigned long ptr_in_current_pgd; | ||
93 | |||
94 | /* Here is a trick, since mmap.c need the initializer elements for | ||
95 | * protection_map[] to be constant at compile time, I set the following | ||
96 | * to all zeros. I set it to the real values after I link in the | ||
97 | * appropriate MMU page table routines at boot time. | ||
98 | */ | ||
99 | #define __P000 __pgprot(0) | ||
100 | #define __P001 __pgprot(0) | ||
101 | #define __P010 __pgprot(0) | ||
102 | #define __P011 __pgprot(0) | ||
103 | #define __P100 __pgprot(0) | ||
104 | #define __P101 __pgprot(0) | ||
105 | #define __P110 __pgprot(0) | ||
106 | #define __P111 __pgprot(0) | ||
107 | |||
108 | #define __S000 __pgprot(0) | ||
109 | #define __S001 __pgprot(0) | ||
110 | #define __S010 __pgprot(0) | ||
111 | #define __S011 __pgprot(0) | ||
112 | #define __S100 __pgprot(0) | ||
113 | #define __S101 __pgprot(0) | ||
114 | #define __S110 __pgprot(0) | ||
115 | #define __S111 __pgprot(0) | ||
116 | |||
117 | extern int num_contexts; | ||
118 | |||
119 | /* First physical page can be anywhere, the following is needed so that | ||
120 | * va-->pa and vice versa conversions work properly without performance | ||
121 | * hit for all __pa()/__va() operations. | ||
122 | */ | ||
123 | extern unsigned long phys_base; | ||
124 | extern unsigned long pfn_base; | ||
125 | |||
126 | /* | ||
127 | * BAD_PAGETABLE is used when we need a bogus page-table, while | ||
128 | * BAD_PAGE is used for a bogus page. | ||
129 | * | ||
130 | * ZERO_PAGE is a global shared page that is always zero: used | ||
131 | * for zero-mapped memory areas etc.. | ||
132 | */ | ||
133 | extern pte_t * __bad_pagetable(void); | ||
134 | extern pte_t __bad_page(void); | ||
135 | extern unsigned long empty_zero_page; | ||
136 | |||
137 | #define BAD_PAGETABLE __bad_pagetable() | ||
138 | #define BAD_PAGE __bad_page() | ||
139 | #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page)) | ||
140 | |||
141 | /* | ||
142 | */ | ||
143 | BTFIXUPDEF_CALL_CONST(struct page *, pmd_page, pmd_t) | ||
144 | BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t) | ||
145 | |||
146 | #define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd) | ||
147 | #define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd) | ||
148 | |||
149 | BTFIXUPDEF_SETHI(none_mask) | ||
150 | BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t) | ||
151 | BTFIXUPDEF_CALL(void, pte_clear, pte_t *) | ||
152 | |||
153 | static inline int pte_none(pte_t pte) | ||
154 | { | ||
155 | return !(pte_val(pte) & ~BTFIXUP_SETHI(none_mask)); | ||
156 | } | ||
157 | |||
158 | #define pte_present(pte) BTFIXUP_CALL(pte_present)(pte) | ||
159 | #define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte) | ||
160 | |||
161 | BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t) | ||
162 | BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t) | ||
163 | BTFIXUPDEF_CALL(void, pmd_clear, pmd_t *) | ||
164 | |||
165 | static inline int pmd_none(pmd_t pmd) | ||
166 | { | ||
167 | return !(pmd_val(pmd) & ~BTFIXUP_SETHI(none_mask)); | ||
168 | } | ||
169 | |||
170 | #define pmd_bad(pmd) BTFIXUP_CALL(pmd_bad)(pmd) | ||
171 | #define pmd_present(pmd) BTFIXUP_CALL(pmd_present)(pmd) | ||
172 | #define pmd_clear(pmd) BTFIXUP_CALL(pmd_clear)(pmd) | ||
173 | |||
174 | BTFIXUPDEF_CALL_CONST(int, pgd_none, pgd_t) | ||
175 | BTFIXUPDEF_CALL_CONST(int, pgd_bad, pgd_t) | ||
176 | BTFIXUPDEF_CALL_CONST(int, pgd_present, pgd_t) | ||
177 | BTFIXUPDEF_CALL(void, pgd_clear, pgd_t *) | ||
178 | |||
179 | #define pgd_none(pgd) BTFIXUP_CALL(pgd_none)(pgd) | ||
180 | #define pgd_bad(pgd) BTFIXUP_CALL(pgd_bad)(pgd) | ||
181 | #define pgd_present(pgd) BTFIXUP_CALL(pgd_present)(pgd) | ||
182 | #define pgd_clear(pgd) BTFIXUP_CALL(pgd_clear)(pgd) | ||
183 | |||
184 | /* | ||
185 | * The following only work if pte_present() is true. | ||
186 | * Undefined behaviour if not.. | ||
187 | */ | ||
188 | BTFIXUPDEF_HALF(pte_writei) | ||
189 | BTFIXUPDEF_HALF(pte_dirtyi) | ||
190 | BTFIXUPDEF_HALF(pte_youngi) | ||
191 | |||
192 | static int pte_write(pte_t pte) __attribute_const__; | ||
193 | static inline int pte_write(pte_t pte) | ||
194 | { | ||
195 | return pte_val(pte) & BTFIXUP_HALF(pte_writei); | ||
196 | } | ||
197 | |||
198 | static int pte_dirty(pte_t pte) __attribute_const__; | ||
199 | static inline int pte_dirty(pte_t pte) | ||
200 | { | ||
201 | return pte_val(pte) & BTFIXUP_HALF(pte_dirtyi); | ||
202 | } | ||
203 | |||
204 | static int pte_young(pte_t pte) __attribute_const__; | ||
205 | static inline int pte_young(pte_t pte) | ||
206 | { | ||
207 | return pte_val(pte) & BTFIXUP_HALF(pte_youngi); | ||
208 | } | ||
209 | |||
210 | /* | ||
211 | * The following only work if pte_present() is not true. | ||
212 | */ | ||
213 | BTFIXUPDEF_HALF(pte_filei) | ||
214 | |||
215 | static int pte_file(pte_t pte) __attribute_const__; | ||
216 | static inline int pte_file(pte_t pte) | ||
217 | { | ||
218 | return pte_val(pte) & BTFIXUP_HALF(pte_filei); | ||
219 | } | ||
220 | |||
221 | static inline int pte_special(pte_t pte) | ||
222 | { | ||
223 | return 0; | ||
224 | } | ||
225 | |||
226 | /* | ||
227 | */ | ||
228 | BTFIXUPDEF_HALF(pte_wrprotecti) | ||
229 | BTFIXUPDEF_HALF(pte_mkcleani) | ||
230 | BTFIXUPDEF_HALF(pte_mkoldi) | ||
231 | |||
232 | static pte_t pte_wrprotect(pte_t pte) __attribute_const__; | ||
233 | static inline pte_t pte_wrprotect(pte_t pte) | ||
234 | { | ||
235 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_wrprotecti)); | ||
236 | } | ||
237 | |||
238 | static pte_t pte_mkclean(pte_t pte) __attribute_const__; | ||
239 | static inline pte_t pte_mkclean(pte_t pte) | ||
240 | { | ||
241 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkcleani)); | ||
242 | } | ||
243 | |||
244 | static pte_t pte_mkold(pte_t pte) __attribute_const__; | ||
245 | static inline pte_t pte_mkold(pte_t pte) | ||
246 | { | ||
247 | return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkoldi)); | ||
248 | } | ||
249 | |||
250 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkwrite, pte_t) | ||
251 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkdirty, pte_t) | ||
252 | BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t) | ||
253 | |||
254 | #define pte_mkwrite(pte) BTFIXUP_CALL(pte_mkwrite)(pte) | ||
255 | #define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte) | ||
256 | #define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte) | ||
257 | |||
258 | #define pte_mkspecial(pte) (pte) | ||
259 | |||
260 | #define pfn_pte(pfn, prot) mk_pte(pfn_to_page(pfn), prot) | ||
261 | |||
262 | BTFIXUPDEF_CALL(unsigned long, pte_pfn, pte_t) | ||
263 | #define pte_pfn(pte) BTFIXUP_CALL(pte_pfn)(pte) | ||
264 | #define pte_page(pte) pfn_to_page(pte_pfn(pte)) | ||
265 | |||
266 | /* | ||
267 | * Conversion functions: convert a page and protection to a page entry, | ||
268 | * and a page entry and page directory to the page they refer to. | ||
269 | */ | ||
270 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t) | ||
271 | |||
272 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t) | ||
273 | BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int) | ||
274 | BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t) | ||
275 | |||
276 | #define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot) | ||
277 | #define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot) | ||
278 | #define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space) | ||
279 | |||
280 | #define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot) | ||
281 | |||
282 | BTFIXUPDEF_INT(pte_modify_mask) | ||
283 | |||
284 | static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__; | ||
285 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | ||
286 | { | ||
287 | return __pte((pte_val(pte) & BTFIXUP_INT(pte_modify_mask)) | | ||
288 | pgprot_val(newprot)); | ||
289 | } | ||
290 | |||
291 | #define pgd_index(address) ((address) >> PGDIR_SHIFT) | ||
292 | |||
293 | /* to find an entry in a page-table-directory */ | ||
294 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | ||
295 | |||
296 | /* to find an entry in a kernel page-table-directory */ | ||
297 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) | ||
298 | |||
299 | /* Find an entry in the second-level page table.. */ | ||
300 | BTFIXUPDEF_CALL(pmd_t *, pmd_offset, pgd_t *, unsigned long) | ||
301 | #define pmd_offset(dir,addr) BTFIXUP_CALL(pmd_offset)(dir,addr) | ||
302 | |||
303 | /* Find an entry in the third-level page table.. */ | ||
304 | BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long) | ||
305 | #define pte_offset_kernel(dir,addr) BTFIXUP_CALL(pte_offset_kernel)(dir,addr) | ||
306 | |||
307 | /* | ||
308 | * This shortcut works on sun4m (and sun4d) because the nocache area is static, | ||
309 | * and sun4c is guaranteed to have no highmem anyway. | ||
310 | */ | ||
311 | #define pte_offset_map(d, a) pte_offset_kernel(d,a) | ||
312 | #define pte_offset_map_nested(d, a) pte_offset_kernel(d,a) | ||
313 | |||
314 | #define pte_unmap(pte) do{}while(0) | ||
315 | #define pte_unmap_nested(pte) do{}while(0) | ||
316 | |||
317 | /* Certain architectures need to do special things when pte's | ||
318 | * within a page table are directly modified. Thus, the following | ||
319 | * hook is made available. | ||
320 | */ | ||
321 | |||
322 | BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t) | ||
323 | |||
324 | #define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval) | ||
325 | #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) | ||
326 | |||
327 | struct seq_file; | ||
328 | BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) | ||
329 | |||
330 | #define mmu_info(p) BTFIXUP_CALL(mmu_info)(p) | ||
331 | |||
332 | /* Fault handler stuff... */ | ||
333 | #define FAULT_CODE_PROT 0x1 | ||
334 | #define FAULT_CODE_WRITE 0x2 | ||
335 | #define FAULT_CODE_USER 0x4 | ||
336 | |||
337 | BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t) | ||
338 | |||
339 | #define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte) | ||
340 | |||
341 | BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long, | ||
342 | unsigned long, unsigned int) | ||
343 | BTFIXUPDEF_CALL(void, sparc_unmapiorange, unsigned long, unsigned int) | ||
344 | #define sparc_mapiorange(bus,pa,va,len) BTFIXUP_CALL(sparc_mapiorange)(bus,pa,va,len) | ||
345 | #define sparc_unmapiorange(va,len) BTFIXUP_CALL(sparc_unmapiorange)(va,len) | ||
346 | |||
347 | extern int invalid_segment; | ||
348 | |||
349 | /* Encode and de-code a swap entry */ | ||
350 | BTFIXUPDEF_CALL(unsigned long, __swp_type, swp_entry_t) | ||
351 | BTFIXUPDEF_CALL(unsigned long, __swp_offset, swp_entry_t) | ||
352 | BTFIXUPDEF_CALL(swp_entry_t, __swp_entry, unsigned long, unsigned long) | ||
353 | |||
354 | #define __swp_type(__x) BTFIXUP_CALL(__swp_type)(__x) | ||
355 | #define __swp_offset(__x) BTFIXUP_CALL(__swp_offset)(__x) | ||
356 | #define __swp_entry(__type,__off) BTFIXUP_CALL(__swp_entry)(__type,__off) | ||
357 | |||
358 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
359 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
360 | |||
361 | /* file-offset-in-pte helpers */ | ||
362 | BTFIXUPDEF_CALL(unsigned long, pte_to_pgoff, pte_t pte); | ||
363 | BTFIXUPDEF_CALL(pte_t, pgoff_to_pte, unsigned long pgoff); | ||
364 | |||
365 | #define pte_to_pgoff(pte) BTFIXUP_CALL(pte_to_pgoff)(pte) | ||
366 | #define pgoff_to_pte(off) BTFIXUP_CALL(pgoff_to_pte)(off) | ||
367 | |||
368 | /* | ||
369 | * This is made a constant because mm/fremap.c required a constant. | ||
370 | * Note that layout of these bits is different between sun4c.c and srmmu.c. | ||
371 | */ | ||
372 | #define PTE_FILE_MAX_BITS 24 | ||
373 | |||
374 | /* | ||
375 | */ | ||
376 | struct ctx_list { | ||
377 | struct ctx_list *next; | ||
378 | struct ctx_list *prev; | ||
379 | unsigned int ctx_number; | ||
380 | struct mm_struct *ctx_mm; | ||
381 | }; | ||
382 | |||
383 | extern struct ctx_list *ctx_list_pool; /* Dynamically allocated */ | ||
384 | extern struct ctx_list ctx_free; /* Head of free list */ | ||
385 | extern struct ctx_list ctx_used; /* Head of used contexts list */ | ||
386 | |||
387 | #define NO_CONTEXT -1 | ||
388 | |||
389 | static inline void remove_from_ctx_list(struct ctx_list *entry) | ||
390 | { | ||
391 | entry->next->prev = entry->prev; | ||
392 | entry->prev->next = entry->next; | ||
393 | } | ||
394 | |||
395 | static inline void add_to_ctx_list(struct ctx_list *head, struct ctx_list *entry) | ||
396 | { | ||
397 | entry->next = head; | ||
398 | (entry->prev = head->prev)->next = entry; | ||
399 | head->prev = entry; | ||
400 | } | ||
401 | #define add_to_free_ctxlist(entry) add_to_ctx_list(&ctx_free, entry) | ||
402 | #define add_to_used_ctxlist(entry) add_to_ctx_list(&ctx_used, entry) | ||
403 | |||
404 | static inline unsigned long | ||
405 | __get_phys (unsigned long addr) | ||
406 | { | ||
407 | switch (sparc_cpu_model){ | ||
408 | case sun4: | ||
409 | case sun4c: | ||
410 | return sun4c_get_pte (addr) << PAGE_SHIFT; | ||
411 | case sun4m: | ||
412 | case sun4d: | ||
413 | return ((srmmu_get_pte (addr) & 0xffffff00) << 4); | ||
414 | default: | ||
415 | return 0; | ||
416 | } | ||
417 | } | ||
418 | |||
419 | static inline int | ||
420 | __get_iospace (unsigned long addr) | ||
421 | { | ||
422 | switch (sparc_cpu_model){ | ||
423 | case sun4: | ||
424 | case sun4c: | ||
425 | return -1; /* Don't check iospace on sun4c */ | ||
426 | case sun4m: | ||
427 | case sun4d: | ||
428 | return (srmmu_get_pte (addr) >> 28); | ||
429 | default: | ||
430 | return -1; | ||
431 | } | ||
432 | } | ||
433 | |||
434 | extern unsigned long *sparc_valid_addr_bitmap; | ||
435 | |||
436 | /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ | ||
437 | #define kern_addr_valid(addr) \ | ||
438 | (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) | ||
439 | |||
440 | extern int io_remap_pfn_range(struct vm_area_struct *vma, | ||
441 | unsigned long from, unsigned long pfn, | ||
442 | unsigned long size, pgprot_t prot); | ||
443 | |||
444 | /* | ||
445 | * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in | ||
446 | * its high 4 bits. These macros/functions put it there or get it from there. | ||
447 | */ | ||
448 | #define MK_IOSPACE_PFN(space, pfn) (pfn | (space << (BITS_PER_LONG - 4))) | ||
449 | #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) | ||
450 | #define GET_PFN(pfn) (pfn & 0x0fffffffUL) | ||
451 | |||
452 | #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS | ||
453 | #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ | ||
454 | ({ \ | ||
455 | int __changed = !pte_same(*(__ptep), __entry); \ | ||
456 | if (__changed) { \ | ||
457 | set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \ | ||
458 | flush_tlb_page(__vma, __address); \ | ||
459 | } \ | ||
460 | (sparc_cpu_model == sun4c) || __changed; \ | ||
461 | }) | ||
462 | |||
463 | #include <asm-generic/pgtable.h> | ||
464 | |||
465 | #endif /* !(__ASSEMBLY__) */ | ||
466 | |||
467 | #define VMALLOC_START 0xfe600000 | ||
468 | /* XXX Alter this when I get around to fixing sun4c - Anton */ | ||
469 | #define VMALLOC_END 0xffc00000 | ||
470 | |||
471 | |||
472 | /* We provide our own get_unmapped_area to cope with VA holes for userland */ | ||
473 | #define HAVE_ARCH_UNMAPPED_AREA | ||
474 | |||
475 | /* | ||
476 | * No page table caches to initialise | ||
477 | */ | ||
478 | #define pgtable_cache_init() do { } while (0) | ||
479 | |||
480 | #endif /* !(_SPARC_PGTABLE_H) */ | ||
diff --git a/include/asm-sparc/pgtable_64.h b/include/asm-sparc/pgtable_64.h new file mode 100644 index 000000000000..78d5594964a3 --- /dev/null +++ b/include/asm-sparc/pgtable_64.h | |||
@@ -0,0 +1,781 @@ | |||
1 | /* | ||
2 | * pgtable.h: SpitFire page table operations. | ||
3 | * | ||
4 | * Copyright 1996,1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC64_PGTABLE_H | ||
9 | #define _SPARC64_PGTABLE_H | ||
10 | |||
11 | /* This file contains the functions and defines necessary to modify and use | ||
12 | * the SpitFire page tables. | ||
13 | */ | ||
14 | |||
15 | #include <asm-generic/pgtable-nopud.h> | ||
16 | |||
17 | #include <linux/compiler.h> | ||
18 | #include <linux/const.h> | ||
19 | #include <asm/types.h> | ||
20 | #include <asm/spitfire.h> | ||
21 | #include <asm/asi.h> | ||
22 | #include <asm/system.h> | ||
23 | #include <asm/page.h> | ||
24 | #include <asm/processor.h> | ||
25 | |||
26 | /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB). | ||
27 | * The page copy blockops can use 0x6000000 to 0x8000000. | ||
28 | * The TSB is mapped in the 0x8000000 to 0xa000000 range. | ||
29 | * The PROM resides in an area spanning 0xf0000000 to 0x100000000. | ||
30 | * The vmalloc area spans 0x100000000 to 0x200000000. | ||
31 | * Since modules need to be in the lowest 32-bits of the address space, | ||
32 | * we place them right before the OBP area from 0x10000000 to 0xf0000000. | ||
33 | * There is a single static kernel PMD which maps from 0x0 to address | ||
34 | * 0x400000000. | ||
35 | */ | ||
36 | #define TLBTEMP_BASE _AC(0x0000000006000000,UL) | ||
37 | #define TSBMAP_BASE _AC(0x0000000008000000,UL) | ||
38 | #define MODULES_VADDR _AC(0x0000000010000000,UL) | ||
39 | #define MODULES_LEN _AC(0x00000000e0000000,UL) | ||
40 | #define MODULES_END _AC(0x00000000f0000000,UL) | ||
41 | #define LOW_OBP_ADDRESS _AC(0x00000000f0000000,UL) | ||
42 | #define HI_OBP_ADDRESS _AC(0x0000000100000000,UL) | ||
43 | #define VMALLOC_START _AC(0x0000000100000000,UL) | ||
44 | #define VMALLOC_END _AC(0x0000000200000000,UL) | ||
45 | #define VMEMMAP_BASE _AC(0x0000000200000000,UL) | ||
46 | |||
47 | #define vmemmap ((struct page *)VMEMMAP_BASE) | ||
48 | |||
49 | /* XXX All of this needs to be rethought so we can take advantage | ||
50 | * XXX cheetah's full 64-bit virtual address space, ie. no more hole | ||
51 | * XXX in the middle like on spitfire. -DaveM | ||
52 | */ | ||
53 | /* | ||
54 | * Given a virtual address, the lowest PAGE_SHIFT bits determine offset | ||
55 | * into the page; the next higher PAGE_SHIFT-3 bits determine the pte# | ||
56 | * in the proper pagetable (the -3 is from the 8 byte ptes, and each page | ||
57 | * table is a single page long). The next higher PMD_BITS determine pmd# | ||
58 | * in the proper pmdtable (where we must have PMD_BITS <= (PAGE_SHIFT-2) | ||
59 | * since the pmd entries are 4 bytes, and each pmd page is a single page | ||
60 | * long). Finally, the higher few bits determine pgde#. | ||
61 | */ | ||
62 | |||
63 | /* PMD_SHIFT determines the size of the area a second-level page | ||
64 | * table can map | ||
65 | */ | ||
66 | #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3)) | ||
67 | #define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) | ||
68 | #define PMD_MASK (~(PMD_SIZE-1)) | ||
69 | #define PMD_BITS (PAGE_SHIFT - 2) | ||
70 | |||
71 | /* PGDIR_SHIFT determines what a third-level page table entry can map */ | ||
72 | #define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS) | ||
73 | #define PGDIR_SIZE (_AC(1,UL) << PGDIR_SHIFT) | ||
74 | #define PGDIR_MASK (~(PGDIR_SIZE-1)) | ||
75 | #define PGDIR_BITS (PAGE_SHIFT - 2) | ||
76 | |||
77 | #ifndef __ASSEMBLY__ | ||
78 | |||
79 | #include <linux/sched.h> | ||
80 | |||
81 | /* Entries per page directory level. */ | ||
82 | #define PTRS_PER_PTE (1UL << (PAGE_SHIFT-3)) | ||
83 | #define PTRS_PER_PMD (1UL << PMD_BITS) | ||
84 | #define PTRS_PER_PGD (1UL << PGDIR_BITS) | ||
85 | |||
86 | /* Kernel has a separate 44bit address space. */ | ||
87 | #define FIRST_USER_ADDRESS 0 | ||
88 | |||
89 | #define pte_ERROR(e) __builtin_trap() | ||
90 | #define pmd_ERROR(e) __builtin_trap() | ||
91 | #define pgd_ERROR(e) __builtin_trap() | ||
92 | |||
93 | #endif /* !(__ASSEMBLY__) */ | ||
94 | |||
95 | /* PTE bits which are the same in SUN4U and SUN4V format. */ | ||
96 | #define _PAGE_VALID _AC(0x8000000000000000,UL) /* Valid TTE */ | ||
97 | #define _PAGE_R _AC(0x8000000000000000,UL) /* Keep ref bit uptodate*/ | ||
98 | |||
99 | /* SUN4U pte bits... */ | ||
100 | #define _PAGE_SZ4MB_4U _AC(0x6000000000000000,UL) /* 4MB Page */ | ||
101 | #define _PAGE_SZ512K_4U _AC(0x4000000000000000,UL) /* 512K Page */ | ||
102 | #define _PAGE_SZ64K_4U _AC(0x2000000000000000,UL) /* 64K Page */ | ||
103 | #define _PAGE_SZ8K_4U _AC(0x0000000000000000,UL) /* 8K Page */ | ||
104 | #define _PAGE_NFO_4U _AC(0x1000000000000000,UL) /* No Fault Only */ | ||
105 | #define _PAGE_IE_4U _AC(0x0800000000000000,UL) /* Invert Endianness */ | ||
106 | #define _PAGE_SOFT2_4U _AC(0x07FC000000000000,UL) /* Software bits, set 2 */ | ||
107 | #define _PAGE_RES1_4U _AC(0x0002000000000000,UL) /* Reserved */ | ||
108 | #define _PAGE_SZ32MB_4U _AC(0x0001000000000000,UL) /* (Panther) 32MB page */ | ||
109 | #define _PAGE_SZ256MB_4U _AC(0x2001000000000000,UL) /* (Panther) 256MB page */ | ||
110 | #define _PAGE_SZALL_4U _AC(0x6001000000000000,UL) /* All pgsz bits */ | ||
111 | #define _PAGE_SN_4U _AC(0x0000800000000000,UL) /* (Cheetah) Snoop */ | ||
112 | #define _PAGE_RES2_4U _AC(0x0000780000000000,UL) /* Reserved */ | ||
113 | #define _PAGE_PADDR_4U _AC(0x000007FFFFFFE000,UL) /* (Cheetah) pa[42:13] */ | ||
114 | #define _PAGE_SOFT_4U _AC(0x0000000000001F80,UL) /* Software bits: */ | ||
115 | #define _PAGE_EXEC_4U _AC(0x0000000000001000,UL) /* Executable SW bit */ | ||
116 | #define _PAGE_MODIFIED_4U _AC(0x0000000000000800,UL) /* Modified (dirty) */ | ||
117 | #define _PAGE_FILE_4U _AC(0x0000000000000800,UL) /* Pagecache page */ | ||
118 | #define _PAGE_ACCESSED_4U _AC(0x0000000000000400,UL) /* Accessed (ref'd) */ | ||
119 | #define _PAGE_READ_4U _AC(0x0000000000000200,UL) /* Readable SW Bit */ | ||
120 | #define _PAGE_WRITE_4U _AC(0x0000000000000100,UL) /* Writable SW Bit */ | ||
121 | #define _PAGE_PRESENT_4U _AC(0x0000000000000080,UL) /* Present */ | ||
122 | #define _PAGE_L_4U _AC(0x0000000000000040,UL) /* Locked TTE */ | ||
123 | #define _PAGE_CP_4U _AC(0x0000000000000020,UL) /* Cacheable in P-Cache */ | ||
124 | #define _PAGE_CV_4U _AC(0x0000000000000010,UL) /* Cacheable in V-Cache */ | ||
125 | #define _PAGE_E_4U _AC(0x0000000000000008,UL) /* side-Effect */ | ||
126 | #define _PAGE_P_4U _AC(0x0000000000000004,UL) /* Privileged Page */ | ||
127 | #define _PAGE_W_4U _AC(0x0000000000000002,UL) /* Writable */ | ||
128 | |||
129 | /* SUN4V pte bits... */ | ||
130 | #define _PAGE_NFO_4V _AC(0x4000000000000000,UL) /* No Fault Only */ | ||
131 | #define _PAGE_SOFT2_4V _AC(0x3F00000000000000,UL) /* Software bits, set 2 */ | ||
132 | #define _PAGE_MODIFIED_4V _AC(0x2000000000000000,UL) /* Modified (dirty) */ | ||
133 | #define _PAGE_ACCESSED_4V _AC(0x1000000000000000,UL) /* Accessed (ref'd) */ | ||
134 | #define _PAGE_READ_4V _AC(0x0800000000000000,UL) /* Readable SW Bit */ | ||
135 | #define _PAGE_WRITE_4V _AC(0x0400000000000000,UL) /* Writable SW Bit */ | ||
136 | #define _PAGE_PADDR_4V _AC(0x00FFFFFFFFFFE000,UL) /* paddr[55:13] */ | ||
137 | #define _PAGE_IE_4V _AC(0x0000000000001000,UL) /* Invert Endianness */ | ||
138 | #define _PAGE_E_4V _AC(0x0000000000000800,UL) /* side-Effect */ | ||
139 | #define _PAGE_CP_4V _AC(0x0000000000000400,UL) /* Cacheable in P-Cache */ | ||
140 | #define _PAGE_CV_4V _AC(0x0000000000000200,UL) /* Cacheable in V-Cache */ | ||
141 | #define _PAGE_P_4V _AC(0x0000000000000100,UL) /* Privileged Page */ | ||
142 | #define _PAGE_EXEC_4V _AC(0x0000000000000080,UL) /* Executable Page */ | ||
143 | #define _PAGE_W_4V _AC(0x0000000000000040,UL) /* Writable */ | ||
144 | #define _PAGE_SOFT_4V _AC(0x0000000000000030,UL) /* Software bits */ | ||
145 | #define _PAGE_FILE_4V _AC(0x0000000000000020,UL) /* Pagecache page */ | ||
146 | #define _PAGE_PRESENT_4V _AC(0x0000000000000010,UL) /* Present */ | ||
147 | #define _PAGE_RESV_4V _AC(0x0000000000000008,UL) /* Reserved */ | ||
148 | #define _PAGE_SZ16GB_4V _AC(0x0000000000000007,UL) /* 16GB Page */ | ||
149 | #define _PAGE_SZ2GB_4V _AC(0x0000000000000006,UL) /* 2GB Page */ | ||
150 | #define _PAGE_SZ256MB_4V _AC(0x0000000000000005,UL) /* 256MB Page */ | ||
151 | #define _PAGE_SZ32MB_4V _AC(0x0000000000000004,UL) /* 32MB Page */ | ||
152 | #define _PAGE_SZ4MB_4V _AC(0x0000000000000003,UL) /* 4MB Page */ | ||
153 | #define _PAGE_SZ512K_4V _AC(0x0000000000000002,UL) /* 512K Page */ | ||
154 | #define _PAGE_SZ64K_4V _AC(0x0000000000000001,UL) /* 64K Page */ | ||
155 | #define _PAGE_SZ8K_4V _AC(0x0000000000000000,UL) /* 8K Page */ | ||
156 | #define _PAGE_SZALL_4V _AC(0x0000000000000007,UL) /* All pgsz bits */ | ||
157 | |||
158 | #if PAGE_SHIFT == 13 | ||
159 | #define _PAGE_SZBITS_4U _PAGE_SZ8K_4U | ||
160 | #define _PAGE_SZBITS_4V _PAGE_SZ8K_4V | ||
161 | #elif PAGE_SHIFT == 16 | ||
162 | #define _PAGE_SZBITS_4U _PAGE_SZ64K_4U | ||
163 | #define _PAGE_SZBITS_4V _PAGE_SZ64K_4V | ||
164 | #elif PAGE_SHIFT == 19 | ||
165 | #define _PAGE_SZBITS_4U _PAGE_SZ512K_4U | ||
166 | #define _PAGE_SZBITS_4V _PAGE_SZ512K_4V | ||
167 | #elif PAGE_SHIFT == 22 | ||
168 | #define _PAGE_SZBITS_4U _PAGE_SZ4MB_4U | ||
169 | #define _PAGE_SZBITS_4V _PAGE_SZ4MB_4V | ||
170 | #else | ||
171 | #error Wrong PAGE_SHIFT specified | ||
172 | #endif | ||
173 | |||
174 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
175 | #define _PAGE_SZHUGE_4U _PAGE_SZ4MB_4U | ||
176 | #define _PAGE_SZHUGE_4V _PAGE_SZ4MB_4V | ||
177 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
178 | #define _PAGE_SZHUGE_4U _PAGE_SZ512K_4U | ||
179 | #define _PAGE_SZHUGE_4V _PAGE_SZ512K_4V | ||
180 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
181 | #define _PAGE_SZHUGE_4U _PAGE_SZ64K_4U | ||
182 | #define _PAGE_SZHUGE_4V _PAGE_SZ64K_4V | ||
183 | #endif | ||
184 | |||
185 | /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */ | ||
186 | #define __P000 __pgprot(0) | ||
187 | #define __P001 __pgprot(0) | ||
188 | #define __P010 __pgprot(0) | ||
189 | #define __P011 __pgprot(0) | ||
190 | #define __P100 __pgprot(0) | ||
191 | #define __P101 __pgprot(0) | ||
192 | #define __P110 __pgprot(0) | ||
193 | #define __P111 __pgprot(0) | ||
194 | |||
195 | #define __S000 __pgprot(0) | ||
196 | #define __S001 __pgprot(0) | ||
197 | #define __S010 __pgprot(0) | ||
198 | #define __S011 __pgprot(0) | ||
199 | #define __S100 __pgprot(0) | ||
200 | #define __S101 __pgprot(0) | ||
201 | #define __S110 __pgprot(0) | ||
202 | #define __S111 __pgprot(0) | ||
203 | |||
204 | #ifndef __ASSEMBLY__ | ||
205 | |||
206 | extern pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long); | ||
207 | |||
208 | extern unsigned long pte_sz_bits(unsigned long size); | ||
209 | |||
210 | extern pgprot_t PAGE_KERNEL; | ||
211 | extern pgprot_t PAGE_KERNEL_LOCKED; | ||
212 | extern pgprot_t PAGE_COPY; | ||
213 | extern pgprot_t PAGE_SHARED; | ||
214 | |||
215 | /* XXX This uglyness is for the atyfb driver's sparc mmap() support. XXX */ | ||
216 | extern unsigned long _PAGE_IE; | ||
217 | extern unsigned long _PAGE_E; | ||
218 | extern unsigned long _PAGE_CACHE; | ||
219 | |||
220 | extern unsigned long pg_iobits; | ||
221 | extern unsigned long _PAGE_ALL_SZ_BITS; | ||
222 | extern unsigned long _PAGE_SZBITS; | ||
223 | |||
224 | extern struct page *mem_map_zero; | ||
225 | #define ZERO_PAGE(vaddr) (mem_map_zero) | ||
226 | |||
227 | /* PFNs are real physical page numbers. However, mem_map only begins to record | ||
228 | * per-page information starting at pfn_base. This is to handle systems where | ||
229 | * the first physical page in the machine is at some huge physical address, | ||
230 | * such as 4GB. This is common on a partitioned E10000, for example. | ||
231 | */ | ||
232 | static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) | ||
233 | { | ||
234 | unsigned long paddr = pfn << PAGE_SHIFT; | ||
235 | unsigned long sz_bits; | ||
236 | |||
237 | sz_bits = 0UL; | ||
238 | if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) { | ||
239 | __asm__ __volatile__( | ||
240 | "\n661: sethi %%uhi(%1), %0\n" | ||
241 | " sllx %0, 32, %0\n" | ||
242 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
243 | " .word 661b\n" | ||
244 | " mov %2, %0\n" | ||
245 | " nop\n" | ||
246 | " .previous\n" | ||
247 | : "=r" (sz_bits) | ||
248 | : "i" (_PAGE_SZBITS_4U), "i" (_PAGE_SZBITS_4V)); | ||
249 | } | ||
250 | return __pte(paddr | sz_bits | pgprot_val(prot)); | ||
251 | } | ||
252 | #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) | ||
253 | |||
254 | /* This one can be done with two shifts. */ | ||
255 | static inline unsigned long pte_pfn(pte_t pte) | ||
256 | { | ||
257 | unsigned long ret; | ||
258 | |||
259 | __asm__ __volatile__( | ||
260 | "\n661: sllx %1, %2, %0\n" | ||
261 | " srlx %0, %3, %0\n" | ||
262 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
263 | " .word 661b\n" | ||
264 | " sllx %1, %4, %0\n" | ||
265 | " srlx %0, %5, %0\n" | ||
266 | " .previous\n" | ||
267 | : "=r" (ret) | ||
268 | : "r" (pte_val(pte)), | ||
269 | "i" (21), "i" (21 + PAGE_SHIFT), | ||
270 | "i" (8), "i" (8 + PAGE_SHIFT)); | ||
271 | |||
272 | return ret; | ||
273 | } | ||
274 | #define pte_page(x) pfn_to_page(pte_pfn(x)) | ||
275 | |||
276 | static inline pte_t pte_modify(pte_t pte, pgprot_t prot) | ||
277 | { | ||
278 | unsigned long mask, tmp; | ||
279 | |||
280 | /* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347) | ||
281 | * SUN4V: 0x30ffffffffffee17 (negated == 0xcf000000000011e8) | ||
282 | * | ||
283 | * Even if we use negation tricks the result is still a 6 | ||
284 | * instruction sequence, so don't try to play fancy and just | ||
285 | * do the most straightforward implementation. | ||
286 | * | ||
287 | * Note: We encode this into 3 sun4v 2-insn patch sequences. | ||
288 | */ | ||
289 | |||
290 | __asm__ __volatile__( | ||
291 | "\n661: sethi %%uhi(%2), %1\n" | ||
292 | " sethi %%hi(%2), %0\n" | ||
293 | "\n662: or %1, %%ulo(%2), %1\n" | ||
294 | " or %0, %%lo(%2), %0\n" | ||
295 | "\n663: sllx %1, 32, %1\n" | ||
296 | " or %0, %1, %0\n" | ||
297 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
298 | " .word 661b\n" | ||
299 | " sethi %%uhi(%3), %1\n" | ||
300 | " sethi %%hi(%3), %0\n" | ||
301 | " .word 662b\n" | ||
302 | " or %1, %%ulo(%3), %1\n" | ||
303 | " or %0, %%lo(%3), %0\n" | ||
304 | " .word 663b\n" | ||
305 | " sllx %1, 32, %1\n" | ||
306 | " or %0, %1, %0\n" | ||
307 | " .previous\n" | ||
308 | : "=r" (mask), "=r" (tmp) | ||
309 | : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U | | ||
310 | _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U | | ||
311 | _PAGE_SZBITS_4U), | ||
312 | "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V | | ||
313 | _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V | | ||
314 | _PAGE_SZBITS_4V)); | ||
315 | |||
316 | return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask)); | ||
317 | } | ||
318 | |||
319 | static inline pte_t pgoff_to_pte(unsigned long off) | ||
320 | { | ||
321 | off <<= PAGE_SHIFT; | ||
322 | |||
323 | __asm__ __volatile__( | ||
324 | "\n661: or %0, %2, %0\n" | ||
325 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
326 | " .word 661b\n" | ||
327 | " or %0, %3, %0\n" | ||
328 | " .previous\n" | ||
329 | : "=r" (off) | ||
330 | : "0" (off), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); | ||
331 | |||
332 | return __pte(off); | ||
333 | } | ||
334 | |||
335 | static inline pgprot_t pgprot_noncached(pgprot_t prot) | ||
336 | { | ||
337 | unsigned long val = pgprot_val(prot); | ||
338 | |||
339 | __asm__ __volatile__( | ||
340 | "\n661: andn %0, %2, %0\n" | ||
341 | " or %0, %3, %0\n" | ||
342 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
343 | " .word 661b\n" | ||
344 | " andn %0, %4, %0\n" | ||
345 | " or %0, %5, %0\n" | ||
346 | " .previous\n" | ||
347 | : "=r" (val) | ||
348 | : "0" (val), "i" (_PAGE_CP_4U | _PAGE_CV_4U), "i" (_PAGE_E_4U), | ||
349 | "i" (_PAGE_CP_4V | _PAGE_CV_4V), "i" (_PAGE_E_4V)); | ||
350 | |||
351 | return __pgprot(val); | ||
352 | } | ||
353 | /* Various pieces of code check for platform support by ifdef testing | ||
354 | * on "pgprot_noncached". That's broken and should be fixed, but for | ||
355 | * now... | ||
356 | */ | ||
357 | #define pgprot_noncached pgprot_noncached | ||
358 | |||
359 | #ifdef CONFIG_HUGETLB_PAGE | ||
360 | static inline pte_t pte_mkhuge(pte_t pte) | ||
361 | { | ||
362 | unsigned long mask; | ||
363 | |||
364 | __asm__ __volatile__( | ||
365 | "\n661: sethi %%uhi(%1), %0\n" | ||
366 | " sllx %0, 32, %0\n" | ||
367 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
368 | " .word 661b\n" | ||
369 | " mov %2, %0\n" | ||
370 | " nop\n" | ||
371 | " .previous\n" | ||
372 | : "=r" (mask) | ||
373 | : "i" (_PAGE_SZHUGE_4U), "i" (_PAGE_SZHUGE_4V)); | ||
374 | |||
375 | return __pte(pte_val(pte) | mask); | ||
376 | } | ||
377 | #endif | ||
378 | |||
379 | static inline pte_t pte_mkdirty(pte_t pte) | ||
380 | { | ||
381 | unsigned long val = pte_val(pte), tmp; | ||
382 | |||
383 | __asm__ __volatile__( | ||
384 | "\n661: or %0, %3, %0\n" | ||
385 | " nop\n" | ||
386 | "\n662: nop\n" | ||
387 | " nop\n" | ||
388 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
389 | " .word 661b\n" | ||
390 | " sethi %%uhi(%4), %1\n" | ||
391 | " sllx %1, 32, %1\n" | ||
392 | " .word 662b\n" | ||
393 | " or %1, %%lo(%4), %1\n" | ||
394 | " or %0, %1, %0\n" | ||
395 | " .previous\n" | ||
396 | : "=r" (val), "=r" (tmp) | ||
397 | : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U), | ||
398 | "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V)); | ||
399 | |||
400 | return __pte(val); | ||
401 | } | ||
402 | |||
403 | static inline pte_t pte_mkclean(pte_t pte) | ||
404 | { | ||
405 | unsigned long val = pte_val(pte), tmp; | ||
406 | |||
407 | __asm__ __volatile__( | ||
408 | "\n661: andn %0, %3, %0\n" | ||
409 | " nop\n" | ||
410 | "\n662: nop\n" | ||
411 | " nop\n" | ||
412 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
413 | " .word 661b\n" | ||
414 | " sethi %%uhi(%4), %1\n" | ||
415 | " sllx %1, 32, %1\n" | ||
416 | " .word 662b\n" | ||
417 | " or %1, %%lo(%4), %1\n" | ||
418 | " andn %0, %1, %0\n" | ||
419 | " .previous\n" | ||
420 | : "=r" (val), "=r" (tmp) | ||
421 | : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U), | ||
422 | "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V)); | ||
423 | |||
424 | return __pte(val); | ||
425 | } | ||
426 | |||
427 | static inline pte_t pte_mkwrite(pte_t pte) | ||
428 | { | ||
429 | unsigned long val = pte_val(pte), mask; | ||
430 | |||
431 | __asm__ __volatile__( | ||
432 | "\n661: mov %1, %0\n" | ||
433 | " nop\n" | ||
434 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
435 | " .word 661b\n" | ||
436 | " sethi %%uhi(%2), %0\n" | ||
437 | " sllx %0, 32, %0\n" | ||
438 | " .previous\n" | ||
439 | : "=r" (mask) | ||
440 | : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V)); | ||
441 | |||
442 | return __pte(val | mask); | ||
443 | } | ||
444 | |||
445 | static inline pte_t pte_wrprotect(pte_t pte) | ||
446 | { | ||
447 | unsigned long val = pte_val(pte), tmp; | ||
448 | |||
449 | __asm__ __volatile__( | ||
450 | "\n661: andn %0, %3, %0\n" | ||
451 | " nop\n" | ||
452 | "\n662: nop\n" | ||
453 | " nop\n" | ||
454 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
455 | " .word 661b\n" | ||
456 | " sethi %%uhi(%4), %1\n" | ||
457 | " sllx %1, 32, %1\n" | ||
458 | " .word 662b\n" | ||
459 | " or %1, %%lo(%4), %1\n" | ||
460 | " andn %0, %1, %0\n" | ||
461 | " .previous\n" | ||
462 | : "=r" (val), "=r" (tmp) | ||
463 | : "0" (val), "i" (_PAGE_WRITE_4U | _PAGE_W_4U), | ||
464 | "i" (_PAGE_WRITE_4V | _PAGE_W_4V)); | ||
465 | |||
466 | return __pte(val); | ||
467 | } | ||
468 | |||
469 | static inline pte_t pte_mkold(pte_t pte) | ||
470 | { | ||
471 | unsigned long mask; | ||
472 | |||
473 | __asm__ __volatile__( | ||
474 | "\n661: mov %1, %0\n" | ||
475 | " nop\n" | ||
476 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
477 | " .word 661b\n" | ||
478 | " sethi %%uhi(%2), %0\n" | ||
479 | " sllx %0, 32, %0\n" | ||
480 | " .previous\n" | ||
481 | : "=r" (mask) | ||
482 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
483 | |||
484 | mask |= _PAGE_R; | ||
485 | |||
486 | return __pte(pte_val(pte) & ~mask); | ||
487 | } | ||
488 | |||
489 | static inline pte_t pte_mkyoung(pte_t pte) | ||
490 | { | ||
491 | unsigned long mask; | ||
492 | |||
493 | __asm__ __volatile__( | ||
494 | "\n661: mov %1, %0\n" | ||
495 | " nop\n" | ||
496 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
497 | " .word 661b\n" | ||
498 | " sethi %%uhi(%2), %0\n" | ||
499 | " sllx %0, 32, %0\n" | ||
500 | " .previous\n" | ||
501 | : "=r" (mask) | ||
502 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
503 | |||
504 | mask |= _PAGE_R; | ||
505 | |||
506 | return __pte(pte_val(pte) | mask); | ||
507 | } | ||
508 | |||
509 | static inline pte_t pte_mkspecial(pte_t pte) | ||
510 | { | ||
511 | return pte; | ||
512 | } | ||
513 | |||
514 | static inline unsigned long pte_young(pte_t pte) | ||
515 | { | ||
516 | unsigned long mask; | ||
517 | |||
518 | __asm__ __volatile__( | ||
519 | "\n661: mov %1, %0\n" | ||
520 | " nop\n" | ||
521 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
522 | " .word 661b\n" | ||
523 | " sethi %%uhi(%2), %0\n" | ||
524 | " sllx %0, 32, %0\n" | ||
525 | " .previous\n" | ||
526 | : "=r" (mask) | ||
527 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
528 | |||
529 | return (pte_val(pte) & mask); | ||
530 | } | ||
531 | |||
532 | static inline unsigned long pte_dirty(pte_t pte) | ||
533 | { | ||
534 | unsigned long mask; | ||
535 | |||
536 | __asm__ __volatile__( | ||
537 | "\n661: mov %1, %0\n" | ||
538 | " nop\n" | ||
539 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
540 | " .word 661b\n" | ||
541 | " sethi %%uhi(%2), %0\n" | ||
542 | " sllx %0, 32, %0\n" | ||
543 | " .previous\n" | ||
544 | : "=r" (mask) | ||
545 | : "i" (_PAGE_MODIFIED_4U), "i" (_PAGE_MODIFIED_4V)); | ||
546 | |||
547 | return (pte_val(pte) & mask); | ||
548 | } | ||
549 | |||
550 | static inline unsigned long pte_write(pte_t pte) | ||
551 | { | ||
552 | unsigned long mask; | ||
553 | |||
554 | __asm__ __volatile__( | ||
555 | "\n661: mov %1, %0\n" | ||
556 | " nop\n" | ||
557 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
558 | " .word 661b\n" | ||
559 | " sethi %%uhi(%2), %0\n" | ||
560 | " sllx %0, 32, %0\n" | ||
561 | " .previous\n" | ||
562 | : "=r" (mask) | ||
563 | : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V)); | ||
564 | |||
565 | return (pte_val(pte) & mask); | ||
566 | } | ||
567 | |||
568 | static inline unsigned long pte_exec(pte_t pte) | ||
569 | { | ||
570 | unsigned long mask; | ||
571 | |||
572 | __asm__ __volatile__( | ||
573 | "\n661: sethi %%hi(%1), %0\n" | ||
574 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
575 | " .word 661b\n" | ||
576 | " mov %2, %0\n" | ||
577 | " .previous\n" | ||
578 | : "=r" (mask) | ||
579 | : "i" (_PAGE_EXEC_4U), "i" (_PAGE_EXEC_4V)); | ||
580 | |||
581 | return (pte_val(pte) & mask); | ||
582 | } | ||
583 | |||
584 | static inline unsigned long pte_file(pte_t pte) | ||
585 | { | ||
586 | unsigned long val = pte_val(pte); | ||
587 | |||
588 | __asm__ __volatile__( | ||
589 | "\n661: and %0, %2, %0\n" | ||
590 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
591 | " .word 661b\n" | ||
592 | " and %0, %3, %0\n" | ||
593 | " .previous\n" | ||
594 | : "=r" (val) | ||
595 | : "0" (val), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); | ||
596 | |||
597 | return val; | ||
598 | } | ||
599 | |||
600 | static inline unsigned long pte_present(pte_t pte) | ||
601 | { | ||
602 | unsigned long val = pte_val(pte); | ||
603 | |||
604 | __asm__ __volatile__( | ||
605 | "\n661: and %0, %2, %0\n" | ||
606 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
607 | " .word 661b\n" | ||
608 | " and %0, %3, %0\n" | ||
609 | " .previous\n" | ||
610 | : "=r" (val) | ||
611 | : "0" (val), "i" (_PAGE_PRESENT_4U), "i" (_PAGE_PRESENT_4V)); | ||
612 | |||
613 | return val; | ||
614 | } | ||
615 | |||
616 | static inline int pte_special(pte_t pte) | ||
617 | { | ||
618 | return 0; | ||
619 | } | ||
620 | |||
621 | #define pmd_set(pmdp, ptep) \ | ||
622 | (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL)) | ||
623 | #define pud_set(pudp, pmdp) \ | ||
624 | (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> 11UL)) | ||
625 | #define __pmd_page(pmd) \ | ||
626 | ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<11UL))) | ||
627 | #define pmd_page(pmd) virt_to_page((void *)__pmd_page(pmd)) | ||
628 | #define pud_page_vaddr(pud) \ | ||
629 | ((unsigned long) __va((((unsigned long)pud_val(pud))<<11UL))) | ||
630 | #define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud)) | ||
631 | #define pmd_none(pmd) (!pmd_val(pmd)) | ||
632 | #define pmd_bad(pmd) (0) | ||
633 | #define pmd_present(pmd) (pmd_val(pmd) != 0U) | ||
634 | #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0U) | ||
635 | #define pud_none(pud) (!pud_val(pud)) | ||
636 | #define pud_bad(pud) (0) | ||
637 | #define pud_present(pud) (pud_val(pud) != 0U) | ||
638 | #define pud_clear(pudp) (pud_val(*(pudp)) = 0U) | ||
639 | |||
640 | /* Same in both SUN4V and SUN4U. */ | ||
641 | #define pte_none(pte) (!pte_val(pte)) | ||
642 | |||
643 | /* to find an entry in a page-table-directory. */ | ||
644 | #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) | ||
645 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | ||
646 | |||
647 | /* to find an entry in a kernel page-table-directory */ | ||
648 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) | ||
649 | |||
650 | /* Find an entry in the second-level page table.. */ | ||
651 | #define pmd_offset(pudp, address) \ | ||
652 | ((pmd_t *) pud_page_vaddr(*(pudp)) + \ | ||
653 | (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))) | ||
654 | |||
655 | /* Find an entry in the third-level page table.. */ | ||
656 | #define pte_index(dir, address) \ | ||
657 | ((pte_t *) __pmd_page(*(dir)) + \ | ||
658 | ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) | ||
659 | #define pte_offset_kernel pte_index | ||
660 | #define pte_offset_map pte_index | ||
661 | #define pte_offset_map_nested pte_index | ||
662 | #define pte_unmap(pte) do { } while (0) | ||
663 | #define pte_unmap_nested(pte) do { } while (0) | ||
664 | |||
665 | /* Actual page table PTE updates. */ | ||
666 | extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig); | ||
667 | |||
668 | static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) | ||
669 | { | ||
670 | pte_t orig = *ptep; | ||
671 | |||
672 | *ptep = pte; | ||
673 | |||
674 | /* It is more efficient to let flush_tlb_kernel_range() | ||
675 | * handle init_mm tlb flushes. | ||
676 | * | ||
677 | * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U | ||
678 | * and SUN4V pte layout, so this inline test is fine. | ||
679 | */ | ||
680 | if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID)) | ||
681 | tlb_batch_add(mm, addr, ptep, orig); | ||
682 | } | ||
683 | |||
684 | #define pte_clear(mm,addr,ptep) \ | ||
685 | set_pte_at((mm), (addr), (ptep), __pte(0UL)) | ||
686 | |||
687 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
688 | #define __HAVE_ARCH_MOVE_PTE | ||
689 | #define move_pte(pte, prot, old_addr, new_addr) \ | ||
690 | ({ \ | ||
691 | pte_t newpte = (pte); \ | ||
692 | if (tlb_type != hypervisor && pte_present(pte)) { \ | ||
693 | unsigned long this_pfn = pte_pfn(pte); \ | ||
694 | \ | ||
695 | if (pfn_valid(this_pfn) && \ | ||
696 | (((old_addr) ^ (new_addr)) & (1 << 13))) \ | ||
697 | flush_dcache_page_all(current->mm, \ | ||
698 | pfn_to_page(this_pfn)); \ | ||
699 | } \ | ||
700 | newpte; \ | ||
701 | }) | ||
702 | #endif | ||
703 | |||
704 | extern pgd_t swapper_pg_dir[2048]; | ||
705 | extern pmd_t swapper_low_pmd_dir[2048]; | ||
706 | |||
707 | extern void paging_init(void); | ||
708 | extern unsigned long find_ecache_flush_span(unsigned long size); | ||
709 | |||
710 | /* These do nothing with the way I have things setup. */ | ||
711 | #define mmu_lockarea(vaddr, len) (vaddr) | ||
712 | #define mmu_unlockarea(vaddr, len) do { } while(0) | ||
713 | |||
714 | struct vm_area_struct; | ||
715 | extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); | ||
716 | |||
717 | /* Encode and de-code a swap entry */ | ||
718 | #define __swp_type(entry) (((entry).val >> PAGE_SHIFT) & 0xffUL) | ||
719 | #define __swp_offset(entry) ((entry).val >> (PAGE_SHIFT + 8UL)) | ||
720 | #define __swp_entry(type, offset) \ | ||
721 | ( (swp_entry_t) \ | ||
722 | { \ | ||
723 | (((long)(type) << PAGE_SHIFT) | \ | ||
724 | ((long)(offset) << (PAGE_SHIFT + 8UL))) \ | ||
725 | } ) | ||
726 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
727 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
728 | |||
729 | /* File offset in PTE support. */ | ||
730 | extern unsigned long pte_file(pte_t); | ||
731 | #define pte_to_pgoff(pte) (pte_val(pte) >> PAGE_SHIFT) | ||
732 | extern pte_t pgoff_to_pte(unsigned long); | ||
733 | #define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL) | ||
734 | |||
735 | extern unsigned long *sparc64_valid_addr_bitmap; | ||
736 | |||
737 | /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ | ||
738 | #define kern_addr_valid(addr) \ | ||
739 | (test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap)) | ||
740 | |||
741 | extern int page_in_phys_avail(unsigned long paddr); | ||
742 | |||
743 | extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, | ||
744 | unsigned long pfn, | ||
745 | unsigned long size, pgprot_t prot); | ||
746 | |||
747 | /* | ||
748 | * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in | ||
749 | * its high 4 bits. These macros/functions put it there or get it from there. | ||
750 | */ | ||
751 | #define MK_IOSPACE_PFN(space, pfn) (pfn | (space << (BITS_PER_LONG - 4))) | ||
752 | #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) | ||
753 | #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) | ||
754 | |||
755 | #include <asm-generic/pgtable.h> | ||
756 | |||
757 | /* We provide our own get_unmapped_area to cope with VA holes and | ||
758 | * SHM area cache aliasing for userland. | ||
759 | */ | ||
760 | #define HAVE_ARCH_UNMAPPED_AREA | ||
761 | #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN | ||
762 | |||
763 | /* We provide a special get_unmapped_area for framebuffer mmaps to try and use | ||
764 | * the largest alignment possible such that larget PTEs can be used. | ||
765 | */ | ||
766 | extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, | ||
767 | unsigned long, unsigned long, | ||
768 | unsigned long); | ||
769 | #define HAVE_ARCH_FB_UNMAPPED_AREA | ||
770 | |||
771 | extern void pgtable_cache_init(void); | ||
772 | extern void sun4v_register_fault_status(void); | ||
773 | extern void sun4v_ktsb_register(void); | ||
774 | extern void __init cheetah_ecache_flush_init(void); | ||
775 | extern void sun4v_patch_tlb_handlers(void); | ||
776 | |||
777 | extern unsigned long cmdline_memory_size; | ||
778 | |||
779 | #endif /* !(__ASSEMBLY__) */ | ||
780 | |||
781 | #endif /* !(_SPARC64_PGTABLE_H) */ | ||
diff --git a/include/asm-sparc/posix_types.h b/include/asm-sparc/posix_types.h index dcc07eb5e181..58c820d75e83 100644 --- a/include/asm-sparc/posix_types.h +++ b/include/asm-sparc/posix_types.h | |||
@@ -1,118 +1,8 @@ | |||
1 | #ifndef __ARCH_SPARC_POSIX_TYPES_H | 1 | #ifndef ___ASM_SPARC_POSIX_TYPES_H |
2 | #define __ARCH_SPARC_POSIX_TYPES_H | 2 | #define ___ASM_SPARC_POSIX_TYPES_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* | 4 | #include <asm-sparc/posix_types_64.h> |
5 | * This file is generally used by user-level software, so you need to | 5 | #else |
6 | * be a little careful about namespace pollution etc. Also, we cannot | 6 | #include <asm-sparc/posix_types_32.h> |
7 | * assume GCC is being used. | 7 | #endif |
8 | */ | ||
9 | |||
10 | typedef unsigned int __kernel_size_t; | ||
11 | typedef int __kernel_ssize_t; | ||
12 | typedef long int __kernel_ptrdiff_t; | ||
13 | typedef long __kernel_time_t; | ||
14 | typedef long __kernel_suseconds_t; | ||
15 | typedef long __kernel_clock_t; | ||
16 | typedef int __kernel_pid_t; | ||
17 | typedef unsigned short __kernel_ipc_pid_t; | ||
18 | typedef unsigned short __kernel_uid_t; | ||
19 | typedef unsigned short __kernel_gid_t; | ||
20 | typedef unsigned long __kernel_ino_t; | ||
21 | typedef unsigned short __kernel_mode_t; | ||
22 | typedef unsigned short __kernel_umode_t; | ||
23 | typedef short __kernel_nlink_t; | ||
24 | typedef long __kernel_daddr_t; | ||
25 | typedef long __kernel_off_t; | ||
26 | typedef char * __kernel_caddr_t; | ||
27 | typedef unsigned short __kernel_uid16_t; | ||
28 | typedef unsigned short __kernel_gid16_t; | ||
29 | typedef unsigned int __kernel_uid32_t; | ||
30 | typedef unsigned int __kernel_gid32_t; | ||
31 | typedef unsigned short __kernel_old_uid_t; | ||
32 | typedef unsigned short __kernel_old_gid_t; | ||
33 | typedef unsigned short __kernel_old_dev_t; | ||
34 | typedef int __kernel_clockid_t; | ||
35 | typedef int __kernel_timer_t; | ||
36 | |||
37 | #ifdef __GNUC__ | ||
38 | typedef long long __kernel_loff_t; | ||
39 | #endif | 8 | #endif |
40 | |||
41 | typedef struct { | ||
42 | int val[2]; | ||
43 | } __kernel_fsid_t; | ||
44 | |||
45 | #if defined(__KERNEL__) | ||
46 | |||
47 | #undef __FD_SET | ||
48 | static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) | ||
49 | { | ||
50 | unsigned long _tmp = fd / __NFDBITS; | ||
51 | unsigned long _rem = fd % __NFDBITS; | ||
52 | fdsetp->fds_bits[_tmp] |= (1UL<<_rem); | ||
53 | } | ||
54 | |||
55 | #undef __FD_CLR | ||
56 | static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) | ||
57 | { | ||
58 | unsigned long _tmp = fd / __NFDBITS; | ||
59 | unsigned long _rem = fd % __NFDBITS; | ||
60 | fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); | ||
61 | } | ||
62 | |||
63 | #undef __FD_ISSET | ||
64 | static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) | ||
65 | { | ||
66 | unsigned long _tmp = fd / __NFDBITS; | ||
67 | unsigned long _rem = fd % __NFDBITS; | ||
68 | return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; | ||
69 | } | ||
70 | |||
71 | /* | ||
72 | * This will unroll the loop for the normal constant cases (8 or 32 longs, | ||
73 | * for 256 and 1024-bit fd_sets respectively) | ||
74 | */ | ||
75 | #undef __FD_ZERO | ||
76 | static inline void __FD_ZERO(__kernel_fd_set *p) | ||
77 | { | ||
78 | unsigned long *tmp = p->fds_bits; | ||
79 | int i; | ||
80 | |||
81 | if (__builtin_constant_p(__FDSET_LONGS)) { | ||
82 | switch (__FDSET_LONGS) { | ||
83 | case 32: | ||
84 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
85 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
86 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
87 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
88 | tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; | ||
89 | tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; | ||
90 | tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; | ||
91 | tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; | ||
92 | return; | ||
93 | case 16: | ||
94 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
95 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
96 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
97 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
98 | return; | ||
99 | case 8: | ||
100 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
101 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
102 | return; | ||
103 | case 4: | ||
104 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
105 | return; | ||
106 | } | ||
107 | } | ||
108 | i = __FDSET_LONGS; | ||
109 | while (i) { | ||
110 | i--; | ||
111 | *tmp = 0; | ||
112 | tmp++; | ||
113 | } | ||
114 | } | ||
115 | |||
116 | #endif /* defined(__KERNEL__) */ | ||
117 | |||
118 | #endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */ | ||
diff --git a/include/asm-sparc/posix_types_32.h b/include/asm-sparc/posix_types_32.h new file mode 100644 index 000000000000..6bb6eb1ca0f2 --- /dev/null +++ b/include/asm-sparc/posix_types_32.h | |||
@@ -0,0 +1,118 @@ | |||
1 | #ifndef __ARCH_SPARC_POSIX_TYPES_H | ||
2 | #define __ARCH_SPARC_POSIX_TYPES_H | ||
3 | |||
4 | /* | ||
5 | * This file is generally used by user-level software, so you need to | ||
6 | * be a little careful about namespace pollution etc. Also, we cannot | ||
7 | * assume GCC is being used. | ||
8 | */ | ||
9 | |||
10 | typedef unsigned int __kernel_size_t; | ||
11 | typedef int __kernel_ssize_t; | ||
12 | typedef long int __kernel_ptrdiff_t; | ||
13 | typedef long __kernel_time_t; | ||
14 | typedef long __kernel_suseconds_t; | ||
15 | typedef long __kernel_clock_t; | ||
16 | typedef int __kernel_pid_t; | ||
17 | typedef unsigned short __kernel_ipc_pid_t; | ||
18 | typedef unsigned short __kernel_uid_t; | ||
19 | typedef unsigned short __kernel_gid_t; | ||
20 | typedef unsigned long __kernel_ino_t; | ||
21 | typedef unsigned short __kernel_mode_t; | ||
22 | typedef unsigned short __kernel_umode_t; | ||
23 | typedef short __kernel_nlink_t; | ||
24 | typedef long __kernel_daddr_t; | ||
25 | typedef long __kernel_off_t; | ||
26 | typedef char * __kernel_caddr_t; | ||
27 | typedef unsigned short __kernel_uid16_t; | ||
28 | typedef unsigned short __kernel_gid16_t; | ||
29 | typedef unsigned int __kernel_uid32_t; | ||
30 | typedef unsigned int __kernel_gid32_t; | ||
31 | typedef unsigned short __kernel_old_uid_t; | ||
32 | typedef unsigned short __kernel_old_gid_t; | ||
33 | typedef unsigned short __kernel_old_dev_t; | ||
34 | typedef int __kernel_clockid_t; | ||
35 | typedef int __kernel_timer_t; | ||
36 | |||
37 | #ifdef __GNUC__ | ||
38 | typedef long long __kernel_loff_t; | ||
39 | #endif | ||
40 | |||
41 | typedef struct { | ||
42 | int val[2]; | ||
43 | } __kernel_fsid_t; | ||
44 | |||
45 | #if defined(__KERNEL__) | ||
46 | |||
47 | #undef __FD_SET | ||
48 | static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) | ||
49 | { | ||
50 | unsigned long _tmp = fd / __NFDBITS; | ||
51 | unsigned long _rem = fd % __NFDBITS; | ||
52 | fdsetp->fds_bits[_tmp] |= (1UL<<_rem); | ||
53 | } | ||
54 | |||
55 | #undef __FD_CLR | ||
56 | static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) | ||
57 | { | ||
58 | unsigned long _tmp = fd / __NFDBITS; | ||
59 | unsigned long _rem = fd % __NFDBITS; | ||
60 | fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); | ||
61 | } | ||
62 | |||
63 | #undef __FD_ISSET | ||
64 | static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) | ||
65 | { | ||
66 | unsigned long _tmp = fd / __NFDBITS; | ||
67 | unsigned long _rem = fd % __NFDBITS; | ||
68 | return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; | ||
69 | } | ||
70 | |||
71 | /* | ||
72 | * This will unroll the loop for the normal constant cases (8 or 32 longs, | ||
73 | * for 256 and 1024-bit fd_sets respectively) | ||
74 | */ | ||
75 | #undef __FD_ZERO | ||
76 | static inline void __FD_ZERO(__kernel_fd_set *p) | ||
77 | { | ||
78 | unsigned long *tmp = p->fds_bits; | ||
79 | int i; | ||
80 | |||
81 | if (__builtin_constant_p(__FDSET_LONGS)) { | ||
82 | switch (__FDSET_LONGS) { | ||
83 | case 32: | ||
84 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
85 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
86 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
87 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
88 | tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; | ||
89 | tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; | ||
90 | tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; | ||
91 | tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; | ||
92 | return; | ||
93 | case 16: | ||
94 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
95 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
96 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
97 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
98 | return; | ||
99 | case 8: | ||
100 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
101 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
102 | return; | ||
103 | case 4: | ||
104 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
105 | return; | ||
106 | } | ||
107 | } | ||
108 | i = __FDSET_LONGS; | ||
109 | while (i) { | ||
110 | i--; | ||
111 | *tmp = 0; | ||
112 | tmp++; | ||
113 | } | ||
114 | } | ||
115 | |||
116 | #endif /* defined(__KERNEL__) */ | ||
117 | |||
118 | #endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */ | ||
diff --git a/include/asm-sparc/posix_types_64.h b/include/asm-sparc/posix_types_64.h new file mode 100644 index 000000000000..ba8f93295763 --- /dev/null +++ b/include/asm-sparc/posix_types_64.h | |||
@@ -0,0 +1,122 @@ | |||
1 | #ifndef __ARCH_SPARC64_POSIX_TYPES_H | ||
2 | #define __ARCH_SPARC64_POSIX_TYPES_H | ||
3 | |||
4 | /* | ||
5 | * This file is generally used by user-level software, so you need to | ||
6 | * be a little careful about namespace pollution etc. Also, we cannot | ||
7 | * assume GCC is being used. | ||
8 | */ | ||
9 | |||
10 | typedef unsigned long __kernel_size_t; | ||
11 | typedef long __kernel_ssize_t; | ||
12 | typedef long __kernel_ptrdiff_t; | ||
13 | typedef long __kernel_time_t; | ||
14 | typedef long __kernel_clock_t; | ||
15 | typedef int __kernel_pid_t; | ||
16 | typedef int __kernel_ipc_pid_t; | ||
17 | typedef unsigned int __kernel_uid_t; | ||
18 | typedef unsigned int __kernel_gid_t; | ||
19 | typedef unsigned long __kernel_ino_t; | ||
20 | typedef unsigned int __kernel_mode_t; | ||
21 | typedef unsigned short __kernel_umode_t; | ||
22 | typedef unsigned int __kernel_nlink_t; | ||
23 | typedef int __kernel_daddr_t; | ||
24 | typedef long __kernel_off_t; | ||
25 | typedef char * __kernel_caddr_t; | ||
26 | typedef unsigned short __kernel_uid16_t; | ||
27 | typedef unsigned short __kernel_gid16_t; | ||
28 | typedef int __kernel_clockid_t; | ||
29 | typedef int __kernel_timer_t; | ||
30 | |||
31 | typedef unsigned short __kernel_old_uid_t; | ||
32 | typedef unsigned short __kernel_old_gid_t; | ||
33 | typedef __kernel_uid_t __kernel_uid32_t; | ||
34 | typedef __kernel_gid_t __kernel_gid32_t; | ||
35 | |||
36 | typedef unsigned int __kernel_old_dev_t; | ||
37 | |||
38 | /* Note this piece of asymmetry from the v9 ABI. */ | ||
39 | typedef int __kernel_suseconds_t; | ||
40 | |||
41 | #ifdef __GNUC__ | ||
42 | typedef long long __kernel_loff_t; | ||
43 | #endif | ||
44 | |||
45 | typedef struct { | ||
46 | int val[2]; | ||
47 | } __kernel_fsid_t; | ||
48 | |||
49 | #if defined(__KERNEL__) | ||
50 | |||
51 | #undef __FD_SET | ||
52 | static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) | ||
53 | { | ||
54 | unsigned long _tmp = fd / __NFDBITS; | ||
55 | unsigned long _rem = fd % __NFDBITS; | ||
56 | fdsetp->fds_bits[_tmp] |= (1UL<<_rem); | ||
57 | } | ||
58 | |||
59 | #undef __FD_CLR | ||
60 | static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) | ||
61 | { | ||
62 | unsigned long _tmp = fd / __NFDBITS; | ||
63 | unsigned long _rem = fd % __NFDBITS; | ||
64 | fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); | ||
65 | } | ||
66 | |||
67 | #undef __FD_ISSET | ||
68 | static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) | ||
69 | { | ||
70 | unsigned long _tmp = fd / __NFDBITS; | ||
71 | unsigned long _rem = fd % __NFDBITS; | ||
72 | return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; | ||
73 | } | ||
74 | |||
75 | /* | ||
76 | * This will unroll the loop for the normal constant cases (8 or 32 longs, | ||
77 | * for 256 and 1024-bit fd_sets respectively) | ||
78 | */ | ||
79 | #undef __FD_ZERO | ||
80 | static inline void __FD_ZERO(__kernel_fd_set *p) | ||
81 | { | ||
82 | unsigned long *tmp = p->fds_bits; | ||
83 | int i; | ||
84 | |||
85 | if (__builtin_constant_p(__FDSET_LONGS)) { | ||
86 | switch (__FDSET_LONGS) { | ||
87 | case 32: | ||
88 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
89 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
90 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
91 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
92 | tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; | ||
93 | tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; | ||
94 | tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; | ||
95 | tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; | ||
96 | return; | ||
97 | case 16: | ||
98 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
99 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
100 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
101 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
102 | return; | ||
103 | case 8: | ||
104 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
105 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
106 | return; | ||
107 | case 4: | ||
108 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
109 | return; | ||
110 | } | ||
111 | } | ||
112 | i = __FDSET_LONGS; | ||
113 | while (i) { | ||
114 | i--; | ||
115 | *tmp = 0; | ||
116 | tmp++; | ||
117 | } | ||
118 | } | ||
119 | |||
120 | #endif /* defined(__KERNEL__) */ | ||
121 | |||
122 | #endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */ | ||
diff --git a/include/asm-sparc/processor.h b/include/asm-sparc/processor.h index 8898efbbbe07..11a66bb02eaa 100644 --- a/include/asm-sparc/processor.h +++ b/include/asm-sparc/processor.h | |||
@@ -1,128 +1,8 @@ | |||
1 | /* include/asm-sparc/processor.h | 1 | #ifndef ___ASM_SPARC_PROCESSOR_H |
2 | * | 2 | #define ___ASM_SPARC_PROCESSOR_H |
3 | * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/processor_64.h> |
5 | 5 | #else | |
6 | #ifndef __ASM_SPARC_PROCESSOR_H | 6 | #include <asm-sparc/processor_32.h> |
7 | #define __ASM_SPARC_PROCESSOR_H | ||
8 | |||
9 | /* | ||
10 | * Sparc32 implementation of macro that returns current | ||
11 | * instruction pointer ("program counter"). | ||
12 | */ | ||
13 | #define current_text_addr() ({ void *pc; __asm__("sethi %%hi(1f), %0; or %0, %%lo(1f), %0;\n1:" : "=r" (pc)); pc; }) | ||
14 | |||
15 | #include <asm/psr.h> | ||
16 | #include <asm/ptrace.h> | ||
17 | #include <asm/head.h> | ||
18 | #include <asm/signal.h> | ||
19 | #include <asm/btfixup.h> | ||
20 | #include <asm/page.h> | ||
21 | |||
22 | /* | ||
23 | * The sparc has no problems with write protection | ||
24 | */ | ||
25 | #define wp_works_ok 1 | ||
26 | #define wp_works_ok__is_a_macro /* for versions in ksyms.c */ | ||
27 | |||
28 | /* Whee, this is STACK_TOP + PAGE_SIZE and the lowest kernel address too... | ||
29 | * That one page is used to protect kernel from intruders, so that | ||
30 | * we can make our access_ok test faster | ||
31 | */ | ||
32 | #define TASK_SIZE PAGE_OFFSET | ||
33 | #ifdef __KERNEL__ | ||
34 | #define STACK_TOP (PAGE_OFFSET - PAGE_SIZE) | ||
35 | #define STACK_TOP_MAX STACK_TOP | ||
36 | #endif /* __KERNEL__ */ | ||
37 | |||
38 | struct task_struct; | ||
39 | |||
40 | #ifdef __KERNEL__ | ||
41 | struct fpq { | ||
42 | unsigned long *insn_addr; | ||
43 | unsigned long insn; | ||
44 | }; | ||
45 | #endif | 7 | #endif |
46 | |||
47 | typedef struct { | ||
48 | int seg; | ||
49 | } mm_segment_t; | ||
50 | |||
51 | /* The Sparc processor specific thread struct. */ | ||
52 | struct thread_struct { | ||
53 | struct pt_regs *kregs; | ||
54 | unsigned int _pad1; | ||
55 | |||
56 | /* Special child fork kpsr/kwim values. */ | ||
57 | unsigned long fork_kpsr __attribute__ ((aligned (8))); | ||
58 | unsigned long fork_kwim; | ||
59 | |||
60 | /* Floating point regs */ | ||
61 | unsigned long float_regs[32] __attribute__ ((aligned (8))); | ||
62 | unsigned long fsr; | ||
63 | unsigned long fpqdepth; | ||
64 | struct fpq fpqueue[16]; | ||
65 | unsigned long flags; | ||
66 | mm_segment_t current_ds; | ||
67 | }; | ||
68 | |||
69 | #define SPARC_FLAG_KTHREAD 0x1 /* task is a kernel thread */ | ||
70 | #define SPARC_FLAG_UNALIGNED 0x2 /* is allowed to do unaligned accesses */ | ||
71 | |||
72 | #define INIT_THREAD { \ | ||
73 | .flags = SPARC_FLAG_KTHREAD, \ | ||
74 | .current_ds = KERNEL_DS, \ | ||
75 | } | ||
76 | |||
77 | /* Return saved PC of a blocked thread. */ | ||
78 | extern unsigned long thread_saved_pc(struct task_struct *t); | ||
79 | |||
80 | /* Do necessary setup to start up a newly executed thread. */ | ||
81 | static inline void start_thread(struct pt_regs * regs, unsigned long pc, | ||
82 | unsigned long sp) | ||
83 | { | ||
84 | register unsigned long zero asm("g1"); | ||
85 | |||
86 | regs->psr = (regs->psr & (PSR_CWP)) | PSR_S; | ||
87 | regs->pc = ((pc & (~3)) - 4); | ||
88 | regs->npc = regs->pc + 4; | ||
89 | regs->y = 0; | ||
90 | zero = 0; | ||
91 | __asm__ __volatile__("std\t%%g0, [%0 + %3 + 0x00]\n\t" | ||
92 | "std\t%%g0, [%0 + %3 + 0x08]\n\t" | ||
93 | "std\t%%g0, [%0 + %3 + 0x10]\n\t" | ||
94 | "std\t%%g0, [%0 + %3 + 0x18]\n\t" | ||
95 | "std\t%%g0, [%0 + %3 + 0x20]\n\t" | ||
96 | "std\t%%g0, [%0 + %3 + 0x28]\n\t" | ||
97 | "std\t%%g0, [%0 + %3 + 0x30]\n\t" | ||
98 | "st\t%1, [%0 + %3 + 0x38]\n\t" | ||
99 | "st\t%%g0, [%0 + %3 + 0x3c]" | ||
100 | : /* no outputs */ | ||
101 | : "r" (regs), | ||
102 | "r" (sp - sizeof(struct reg_window)), | ||
103 | "r" (zero), | ||
104 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])) | ||
105 | : "memory"); | ||
106 | } | ||
107 | |||
108 | /* Free all resources held by a thread. */ | ||
109 | #define release_thread(tsk) do { } while(0) | ||
110 | extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); | ||
111 | |||
112 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
113 | #define prepare_to_copy(tsk) do { } while (0) | ||
114 | |||
115 | extern unsigned long get_wchan(struct task_struct *); | ||
116 | |||
117 | #define KSTK_EIP(tsk) ((tsk)->thread.kregs->pc) | ||
118 | #define KSTK_ESP(tsk) ((tsk)->thread.kregs->u_regs[UREG_FP]) | ||
119 | |||
120 | #ifdef __KERNEL__ | ||
121 | |||
122 | extern struct task_struct *last_task_used_math; | ||
123 | |||
124 | #define cpu_relax() barrier() | ||
125 | |||
126 | #endif | 8 | #endif |
127 | |||
128 | #endif /* __ASM_SPARC_PROCESSOR_H */ | ||
diff --git a/include/asm-sparc/processor_32.h b/include/asm-sparc/processor_32.h new file mode 100644 index 000000000000..562c0d69c537 --- /dev/null +++ b/include/asm-sparc/processor_32.h | |||
@@ -0,0 +1,128 @@ | |||
1 | /* include/asm-sparc/processor.h | ||
2 | * | ||
3 | * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | |||
6 | #ifndef __ASM_SPARC_PROCESSOR_H | ||
7 | #define __ASM_SPARC_PROCESSOR_H | ||
8 | |||
9 | /* | ||
10 | * Sparc32 implementation of macro that returns current | ||
11 | * instruction pointer ("program counter"). | ||
12 | */ | ||
13 | #define current_text_addr() ({ void *pc; __asm__("sethi %%hi(1f), %0; or %0, %%lo(1f), %0;\n1:" : "=r" (pc)); pc; }) | ||
14 | |||
15 | #include <asm/psr.h> | ||
16 | #include <asm/ptrace.h> | ||
17 | #include <asm/head.h> | ||
18 | #include <asm/signal.h> | ||
19 | #include <asm/btfixup.h> | ||
20 | #include <asm/page.h> | ||
21 | |||
22 | /* | ||
23 | * The sparc has no problems with write protection | ||
24 | */ | ||
25 | #define wp_works_ok 1 | ||
26 | #define wp_works_ok__is_a_macro /* for versions in ksyms.c */ | ||
27 | |||
28 | /* Whee, this is STACK_TOP + PAGE_SIZE and the lowest kernel address too... | ||
29 | * That one page is used to protect kernel from intruders, so that | ||
30 | * we can make our access_ok test faster | ||
31 | */ | ||
32 | #define TASK_SIZE PAGE_OFFSET | ||
33 | #ifdef __KERNEL__ | ||
34 | #define STACK_TOP (PAGE_OFFSET - PAGE_SIZE) | ||
35 | #define STACK_TOP_MAX STACK_TOP | ||
36 | #endif /* __KERNEL__ */ | ||
37 | |||
38 | struct task_struct; | ||
39 | |||
40 | #ifdef __KERNEL__ | ||
41 | struct fpq { | ||
42 | unsigned long *insn_addr; | ||
43 | unsigned long insn; | ||
44 | }; | ||
45 | #endif | ||
46 | |||
47 | typedef struct { | ||
48 | int seg; | ||
49 | } mm_segment_t; | ||
50 | |||
51 | /* The Sparc processor specific thread struct. */ | ||
52 | struct thread_struct { | ||
53 | struct pt_regs *kregs; | ||
54 | unsigned int _pad1; | ||
55 | |||
56 | /* Special child fork kpsr/kwim values. */ | ||
57 | unsigned long fork_kpsr __attribute__ ((aligned (8))); | ||
58 | unsigned long fork_kwim; | ||
59 | |||
60 | /* Floating point regs */ | ||
61 | unsigned long float_regs[32] __attribute__ ((aligned (8))); | ||
62 | unsigned long fsr; | ||
63 | unsigned long fpqdepth; | ||
64 | struct fpq fpqueue[16]; | ||
65 | unsigned long flags; | ||
66 | mm_segment_t current_ds; | ||
67 | }; | ||
68 | |||
69 | #define SPARC_FLAG_KTHREAD 0x1 /* task is a kernel thread */ | ||
70 | #define SPARC_FLAG_UNALIGNED 0x2 /* is allowed to do unaligned accesses */ | ||
71 | |||
72 | #define INIT_THREAD { \ | ||
73 | .flags = SPARC_FLAG_KTHREAD, \ | ||
74 | .current_ds = KERNEL_DS, \ | ||
75 | } | ||
76 | |||
77 | /* Return saved PC of a blocked thread. */ | ||
78 | extern unsigned long thread_saved_pc(struct task_struct *t); | ||
79 | |||
80 | /* Do necessary setup to start up a newly executed thread. */ | ||
81 | static inline void start_thread(struct pt_regs * regs, unsigned long pc, | ||
82 | unsigned long sp) | ||
83 | { | ||
84 | register unsigned long zero asm("g1"); | ||
85 | |||
86 | regs->psr = (regs->psr & (PSR_CWP)) | PSR_S; | ||
87 | regs->pc = ((pc & (~3)) - 4); | ||
88 | regs->npc = regs->pc + 4; | ||
89 | regs->y = 0; | ||
90 | zero = 0; | ||
91 | __asm__ __volatile__("std\t%%g0, [%0 + %3 + 0x00]\n\t" | ||
92 | "std\t%%g0, [%0 + %3 + 0x08]\n\t" | ||
93 | "std\t%%g0, [%0 + %3 + 0x10]\n\t" | ||
94 | "std\t%%g0, [%0 + %3 + 0x18]\n\t" | ||
95 | "std\t%%g0, [%0 + %3 + 0x20]\n\t" | ||
96 | "std\t%%g0, [%0 + %3 + 0x28]\n\t" | ||
97 | "std\t%%g0, [%0 + %3 + 0x30]\n\t" | ||
98 | "st\t%1, [%0 + %3 + 0x38]\n\t" | ||
99 | "st\t%%g0, [%0 + %3 + 0x3c]" | ||
100 | : /* no outputs */ | ||
101 | : "r" (regs), | ||
102 | "r" (sp - sizeof(struct reg_window)), | ||
103 | "r" (zero), | ||
104 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])) | ||
105 | : "memory"); | ||
106 | } | ||
107 | |||
108 | /* Free all resources held by a thread. */ | ||
109 | #define release_thread(tsk) do { } while(0) | ||
110 | extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); | ||
111 | |||
112 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
113 | #define prepare_to_copy(tsk) do { } while (0) | ||
114 | |||
115 | extern unsigned long get_wchan(struct task_struct *); | ||
116 | |||
117 | #define KSTK_EIP(tsk) ((tsk)->thread.kregs->pc) | ||
118 | #define KSTK_ESP(tsk) ((tsk)->thread.kregs->u_regs[UREG_FP]) | ||
119 | |||
120 | #ifdef __KERNEL__ | ||
121 | |||
122 | extern struct task_struct *last_task_used_math; | ||
123 | |||
124 | #define cpu_relax() barrier() | ||
125 | |||
126 | #endif | ||
127 | |||
128 | #endif /* __ASM_SPARC_PROCESSOR_H */ | ||
diff --git a/include/asm-sparc/processor_64.h b/include/asm-sparc/processor_64.h new file mode 100644 index 000000000000..70d42801a0d2 --- /dev/null +++ b/include/asm-sparc/processor_64.h | |||
@@ -0,0 +1,237 @@ | |||
1 | /* | ||
2 | * include/asm-sparc64/processor.h | ||
3 | * | ||
4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef __ASM_SPARC64_PROCESSOR_H | ||
8 | #define __ASM_SPARC64_PROCESSOR_H | ||
9 | |||
10 | /* | ||
11 | * Sparc64 implementation of macro that returns current | ||
12 | * instruction pointer ("program counter"). | ||
13 | */ | ||
14 | #define current_text_addr() ({ void *pc; __asm__("rd %%pc, %0" : "=r" (pc)); pc; }) | ||
15 | |||
16 | #include <asm/asi.h> | ||
17 | #include <asm/pstate.h> | ||
18 | #include <asm/ptrace.h> | ||
19 | #include <asm/page.h> | ||
20 | |||
21 | /* The sparc has no problems with write protection */ | ||
22 | #define wp_works_ok 1 | ||
23 | #define wp_works_ok__is_a_macro /* for versions in ksyms.c */ | ||
24 | |||
25 | /* | ||
26 | * User lives in his very own context, and cannot reference us. Note | ||
27 | * that TASK_SIZE is a misnomer, it really gives maximum user virtual | ||
28 | * address that the kernel will allocate out. | ||
29 | * | ||
30 | * XXX No longer using virtual page tables, kill this upper limit... | ||
31 | */ | ||
32 | #define VA_BITS 44 | ||
33 | #ifndef __ASSEMBLY__ | ||
34 | #define VPTE_SIZE (1UL << (VA_BITS - PAGE_SHIFT + 3)) | ||
35 | #else | ||
36 | #define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3)) | ||
37 | #endif | ||
38 | |||
39 | #define TASK_SIZE ((unsigned long)-VPTE_SIZE) | ||
40 | #define TASK_SIZE_OF(tsk) \ | ||
41 | (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ | ||
42 | (1UL << 32UL) : TASK_SIZE) | ||
43 | #ifdef __KERNEL__ | ||
44 | |||
45 | #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) | ||
46 | #define STACK_TOP64 (0x0000080000000000UL - (1UL << 32UL)) | ||
47 | |||
48 | #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \ | ||
49 | STACK_TOP32 : STACK_TOP64) | ||
50 | |||
51 | #define STACK_TOP_MAX STACK_TOP64 | ||
52 | |||
53 | #endif | ||
54 | |||
55 | #ifndef __ASSEMBLY__ | ||
56 | |||
57 | typedef struct { | ||
58 | unsigned char seg; | ||
59 | } mm_segment_t; | ||
60 | |||
61 | /* The Sparc processor specific thread struct. */ | ||
62 | /* XXX This should die, everything can go into thread_info now. */ | ||
63 | struct thread_struct { | ||
64 | #ifdef CONFIG_DEBUG_SPINLOCK | ||
65 | /* How many spinlocks held by this thread. | ||
66 | * Used with spin lock debugging to catch tasks | ||
67 | * sleeping illegally with locks held. | ||
68 | */ | ||
69 | int smp_lock_count; | ||
70 | unsigned int smp_lock_pc; | ||
71 | #else | ||
72 | int dummy; /* f'in gcc bug... */ | ||
73 | #endif | ||
74 | }; | ||
75 | |||
76 | #endif /* !(__ASSEMBLY__) */ | ||
77 | |||
78 | #ifndef CONFIG_DEBUG_SPINLOCK | ||
79 | #define INIT_THREAD { \ | ||
80 | 0, \ | ||
81 | } | ||
82 | #else /* CONFIG_DEBUG_SPINLOCK */ | ||
83 | #define INIT_THREAD { \ | ||
84 | /* smp_lock_count, smp_lock_pc, */ \ | ||
85 | 0, 0, \ | ||
86 | } | ||
87 | #endif /* !(CONFIG_DEBUG_SPINLOCK) */ | ||
88 | |||
89 | #ifndef __ASSEMBLY__ | ||
90 | |||
91 | #include <linux/types.h> | ||
92 | |||
93 | /* Return saved PC of a blocked thread. */ | ||
94 | struct task_struct; | ||
95 | extern unsigned long thread_saved_pc(struct task_struct *); | ||
96 | |||
97 | /* On Uniprocessor, even in RMO processes see TSO semantics */ | ||
98 | #ifdef CONFIG_SMP | ||
99 | #define TSTATE_INITIAL_MM TSTATE_TSO | ||
100 | #else | ||
101 | #define TSTATE_INITIAL_MM TSTATE_RMO | ||
102 | #endif | ||
103 | |||
104 | /* Do necessary setup to start up a newly executed thread. */ | ||
105 | #define start_thread(regs, pc, sp) \ | ||
106 | do { \ | ||
107 | unsigned long __asi = ASI_PNF; \ | ||
108 | regs->tstate = (regs->tstate & (TSTATE_CWP)) | (TSTATE_INITIAL_MM|TSTATE_IE) | (__asi << 24UL); \ | ||
109 | regs->tpc = ((pc & (~3)) - 4); \ | ||
110 | regs->tnpc = regs->tpc + 4; \ | ||
111 | regs->y = 0; \ | ||
112 | set_thread_wstate(1 << 3); \ | ||
113 | if (current_thread_info()->utraps) { \ | ||
114 | if (*(current_thread_info()->utraps) < 2) \ | ||
115 | kfree(current_thread_info()->utraps); \ | ||
116 | else \ | ||
117 | (*(current_thread_info()->utraps))--; \ | ||
118 | current_thread_info()->utraps = NULL; \ | ||
119 | } \ | ||
120 | __asm__ __volatile__( \ | ||
121 | "stx %%g0, [%0 + %2 + 0x00]\n\t" \ | ||
122 | "stx %%g0, [%0 + %2 + 0x08]\n\t" \ | ||
123 | "stx %%g0, [%0 + %2 + 0x10]\n\t" \ | ||
124 | "stx %%g0, [%0 + %2 + 0x18]\n\t" \ | ||
125 | "stx %%g0, [%0 + %2 + 0x20]\n\t" \ | ||
126 | "stx %%g0, [%0 + %2 + 0x28]\n\t" \ | ||
127 | "stx %%g0, [%0 + %2 + 0x30]\n\t" \ | ||
128 | "stx %%g0, [%0 + %2 + 0x38]\n\t" \ | ||
129 | "stx %%g0, [%0 + %2 + 0x40]\n\t" \ | ||
130 | "stx %%g0, [%0 + %2 + 0x48]\n\t" \ | ||
131 | "stx %%g0, [%0 + %2 + 0x50]\n\t" \ | ||
132 | "stx %%g0, [%0 + %2 + 0x58]\n\t" \ | ||
133 | "stx %%g0, [%0 + %2 + 0x60]\n\t" \ | ||
134 | "stx %%g0, [%0 + %2 + 0x68]\n\t" \ | ||
135 | "stx %1, [%0 + %2 + 0x70]\n\t" \ | ||
136 | "stx %%g0, [%0 + %2 + 0x78]\n\t" \ | ||
137 | "wrpr %%g0, (1 << 3), %%wstate\n\t" \ | ||
138 | : \ | ||
139 | : "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \ | ||
140 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ | ||
141 | } while (0) | ||
142 | |||
143 | #define start_thread32(regs, pc, sp) \ | ||
144 | do { \ | ||
145 | unsigned long __asi = ASI_PNF; \ | ||
146 | pc &= 0x00000000ffffffffUL; \ | ||
147 | sp &= 0x00000000ffffffffUL; \ | ||
148 | regs->tstate = (regs->tstate & (TSTATE_CWP))|(TSTATE_INITIAL_MM|TSTATE_IE|TSTATE_AM) | (__asi << 24UL); \ | ||
149 | regs->tpc = ((pc & (~3)) - 4); \ | ||
150 | regs->tnpc = regs->tpc + 4; \ | ||
151 | regs->y = 0; \ | ||
152 | set_thread_wstate(2 << 3); \ | ||
153 | if (current_thread_info()->utraps) { \ | ||
154 | if (*(current_thread_info()->utraps) < 2) \ | ||
155 | kfree(current_thread_info()->utraps); \ | ||
156 | else \ | ||
157 | (*(current_thread_info()->utraps))--; \ | ||
158 | current_thread_info()->utraps = NULL; \ | ||
159 | } \ | ||
160 | __asm__ __volatile__( \ | ||
161 | "stx %%g0, [%0 + %2 + 0x00]\n\t" \ | ||
162 | "stx %%g0, [%0 + %2 + 0x08]\n\t" \ | ||
163 | "stx %%g0, [%0 + %2 + 0x10]\n\t" \ | ||
164 | "stx %%g0, [%0 + %2 + 0x18]\n\t" \ | ||
165 | "stx %%g0, [%0 + %2 + 0x20]\n\t" \ | ||
166 | "stx %%g0, [%0 + %2 + 0x28]\n\t" \ | ||
167 | "stx %%g0, [%0 + %2 + 0x30]\n\t" \ | ||
168 | "stx %%g0, [%0 + %2 + 0x38]\n\t" \ | ||
169 | "stx %%g0, [%0 + %2 + 0x40]\n\t" \ | ||
170 | "stx %%g0, [%0 + %2 + 0x48]\n\t" \ | ||
171 | "stx %%g0, [%0 + %2 + 0x50]\n\t" \ | ||
172 | "stx %%g0, [%0 + %2 + 0x58]\n\t" \ | ||
173 | "stx %%g0, [%0 + %2 + 0x60]\n\t" \ | ||
174 | "stx %%g0, [%0 + %2 + 0x68]\n\t" \ | ||
175 | "stx %1, [%0 + %2 + 0x70]\n\t" \ | ||
176 | "stx %%g0, [%0 + %2 + 0x78]\n\t" \ | ||
177 | "wrpr %%g0, (2 << 3), %%wstate\n\t" \ | ||
178 | : \ | ||
179 | : "r" (regs), "r" (sp - sizeof(struct reg_window32)), \ | ||
180 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ | ||
181 | } while (0) | ||
182 | |||
183 | /* Free all resources held by a thread. */ | ||
184 | #define release_thread(tsk) do { } while (0) | ||
185 | |||
186 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
187 | #define prepare_to_copy(tsk) do { } while (0) | ||
188 | |||
189 | extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); | ||
190 | |||
191 | extern unsigned long get_wchan(struct task_struct *task); | ||
192 | |||
193 | #define task_pt_regs(tsk) (task_thread_info(tsk)->kregs) | ||
194 | #define KSTK_EIP(tsk) (task_pt_regs(tsk)->tpc) | ||
195 | #define KSTK_ESP(tsk) (task_pt_regs(tsk)->u_regs[UREG_FP]) | ||
196 | |||
197 | #define cpu_relax() barrier() | ||
198 | |||
199 | /* Prefetch support. This is tuned for UltraSPARC-III and later. | ||
200 | * UltraSPARC-I will treat these as nops, and UltraSPARC-II has | ||
201 | * a shallower prefetch queue than later chips. | ||
202 | */ | ||
203 | #define ARCH_HAS_PREFETCH | ||
204 | #define ARCH_HAS_PREFETCHW | ||
205 | #define ARCH_HAS_SPINLOCK_PREFETCH | ||
206 | |||
207 | static inline void prefetch(const void *x) | ||
208 | { | ||
209 | /* We do not use the read prefetch mnemonic because that | ||
210 | * prefetches into the prefetch-cache which only is accessible | ||
211 | * by floating point operations in UltraSPARC-III and later. | ||
212 | * By contrast, "#one_write" prefetches into the L2 cache | ||
213 | * in shared state. | ||
214 | */ | ||
215 | __asm__ __volatile__("prefetch [%0], #one_write" | ||
216 | : /* no outputs */ | ||
217 | : "r" (x)); | ||
218 | } | ||
219 | |||
220 | static inline void prefetchw(const void *x) | ||
221 | { | ||
222 | /* The most optimal prefetch to use for writes is | ||
223 | * "#n_writes". This brings the cacheline into the | ||
224 | * L2 cache in "owned" state. | ||
225 | */ | ||
226 | __asm__ __volatile__("prefetch [%0], #n_writes" | ||
227 | : /* no outputs */ | ||
228 | : "r" (x)); | ||
229 | } | ||
230 | |||
231 | #define spin_lock_prefetch(x) prefetchw(x) | ||
232 | |||
233 | #define HAVE_ARCH_PICK_MMAP_LAYOUT | ||
234 | |||
235 | #endif /* !(__ASSEMBLY__) */ | ||
236 | |||
237 | #endif /* !(__ASM_SPARC64_PROCESSOR_H) */ | ||
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h index 11f3bc2bb3f5..f36ab6c30ff3 100644 --- a/include/asm-sparc/ptrace.h +++ b/include/asm-sparc/ptrace.h | |||
@@ -1,175 +1,8 @@ | |||
1 | #ifndef _SPARC_PTRACE_H | 1 | #ifndef ___ASM_SPARC_PTRACE_H |
2 | #define _SPARC_PTRACE_H | 2 | #define ___ASM_SPARC_PTRACE_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm/psr.h> | 4 | #include <asm-sparc/ptrace_64.h> |
5 | 5 | #else | |
6 | /* This struct defines the way the registers are stored on the | 6 | #include <asm-sparc/ptrace_32.h> |
7 | * stack during a system call and basically all traps. | ||
8 | */ | ||
9 | |||
10 | #ifndef __ASSEMBLY__ | ||
11 | |||
12 | #include <linux/types.h> | ||
13 | |||
14 | struct pt_regs { | ||
15 | unsigned long psr; | ||
16 | unsigned long pc; | ||
17 | unsigned long npc; | ||
18 | unsigned long y; | ||
19 | unsigned long u_regs[16]; /* globals and ins */ | ||
20 | }; | ||
21 | |||
22 | #define UREG_G0 0 | ||
23 | #define UREG_G1 1 | ||
24 | #define UREG_G2 2 | ||
25 | #define UREG_G3 3 | ||
26 | #define UREG_G4 4 | ||
27 | #define UREG_G5 5 | ||
28 | #define UREG_G6 6 | ||
29 | #define UREG_G7 7 | ||
30 | #define UREG_I0 8 | ||
31 | #define UREG_I1 9 | ||
32 | #define UREG_I2 10 | ||
33 | #define UREG_I3 11 | ||
34 | #define UREG_I4 12 | ||
35 | #define UREG_I5 13 | ||
36 | #define UREG_I6 14 | ||
37 | #define UREG_I7 15 | ||
38 | #define UREG_WIM UREG_G0 | ||
39 | #define UREG_FADDR UREG_G0 | ||
40 | #define UREG_FP UREG_I6 | ||
41 | #define UREG_RETPC UREG_I7 | ||
42 | |||
43 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) | ||
44 | { | ||
45 | return (regs->psr & PSR_SYSCALL); | ||
46 | } | ||
47 | |||
48 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | ||
49 | { | ||
50 | return (regs->psr &= ~PSR_SYSCALL); | ||
51 | } | ||
52 | |||
53 | /* A register window */ | ||
54 | struct reg_window { | ||
55 | unsigned long locals[8]; | ||
56 | unsigned long ins[8]; | ||
57 | }; | ||
58 | |||
59 | /* A Sparc stack frame */ | ||
60 | struct sparc_stackf { | ||
61 | unsigned long locals[8]; | ||
62 | unsigned long ins[6]; | ||
63 | struct sparc_stackf *fp; | ||
64 | unsigned long callers_pc; | ||
65 | char *structptr; | ||
66 | unsigned long xargs[6]; | ||
67 | unsigned long xxargs[1]; | ||
68 | }; | ||
69 | |||
70 | #define TRACEREG_SZ sizeof(struct pt_regs) | ||
71 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | ||
72 | |||
73 | #ifdef __KERNEL__ | ||
74 | |||
75 | #define user_mode(regs) (!((regs)->psr & PSR_PS)) | ||
76 | #define instruction_pointer(regs) ((regs)->pc) | ||
77 | unsigned long profile_pc(struct pt_regs *); | ||
78 | extern void show_regs(struct pt_regs *); | ||
79 | #endif | 7 | #endif |
80 | |||
81 | #else /* __ASSEMBLY__ */ | ||
82 | /* For assembly code. */ | ||
83 | #define TRACEREG_SZ 0x50 | ||
84 | #define STACKFRAME_SZ 0x60 | ||
85 | #endif | 8 | #endif |
86 | |||
87 | /* | ||
88 | * The asm-offsets.h is a generated file, so we cannot include it. | ||
89 | * It may be OK for glibc headers, but it's utterly pointless for C code. | ||
90 | * The assembly code using those offsets has to include it explicitly. | ||
91 | */ | ||
92 | /* #include <asm/asm-offsets.h> */ | ||
93 | |||
94 | /* These are for pt_regs. */ | ||
95 | #define PT_PSR 0x0 | ||
96 | #define PT_PC 0x4 | ||
97 | #define PT_NPC 0x8 | ||
98 | #define PT_Y 0xc | ||
99 | #define PT_G0 0x10 | ||
100 | #define PT_WIM PT_G0 | ||
101 | #define PT_G1 0x14 | ||
102 | #define PT_G2 0x18 | ||
103 | #define PT_G3 0x1c | ||
104 | #define PT_G4 0x20 | ||
105 | #define PT_G5 0x24 | ||
106 | #define PT_G6 0x28 | ||
107 | #define PT_G7 0x2c | ||
108 | #define PT_I0 0x30 | ||
109 | #define PT_I1 0x34 | ||
110 | #define PT_I2 0x38 | ||
111 | #define PT_I3 0x3c | ||
112 | #define PT_I4 0x40 | ||
113 | #define PT_I5 0x44 | ||
114 | #define PT_I6 0x48 | ||
115 | #define PT_FP PT_I6 | ||
116 | #define PT_I7 0x4c | ||
117 | |||
118 | /* Reg_window offsets */ | ||
119 | #define RW_L0 0x00 | ||
120 | #define RW_L1 0x04 | ||
121 | #define RW_L2 0x08 | ||
122 | #define RW_L3 0x0c | ||
123 | #define RW_L4 0x10 | ||
124 | #define RW_L5 0x14 | ||
125 | #define RW_L6 0x18 | ||
126 | #define RW_L7 0x1c | ||
127 | #define RW_I0 0x20 | ||
128 | #define RW_I1 0x24 | ||
129 | #define RW_I2 0x28 | ||
130 | #define RW_I3 0x2c | ||
131 | #define RW_I4 0x30 | ||
132 | #define RW_I5 0x34 | ||
133 | #define RW_I6 0x38 | ||
134 | #define RW_I7 0x3c | ||
135 | |||
136 | /* Stack_frame offsets */ | ||
137 | #define SF_L0 0x00 | ||
138 | #define SF_L1 0x04 | ||
139 | #define SF_L2 0x08 | ||
140 | #define SF_L3 0x0c | ||
141 | #define SF_L4 0x10 | ||
142 | #define SF_L5 0x14 | ||
143 | #define SF_L6 0x18 | ||
144 | #define SF_L7 0x1c | ||
145 | #define SF_I0 0x20 | ||
146 | #define SF_I1 0x24 | ||
147 | #define SF_I2 0x28 | ||
148 | #define SF_I3 0x2c | ||
149 | #define SF_I4 0x30 | ||
150 | #define SF_I5 0x34 | ||
151 | #define SF_FP 0x38 | ||
152 | #define SF_PC 0x3c | ||
153 | #define SF_RETP 0x40 | ||
154 | #define SF_XARG0 0x44 | ||
155 | #define SF_XARG1 0x48 | ||
156 | #define SF_XARG2 0x4c | ||
157 | #define SF_XARG3 0x50 | ||
158 | #define SF_XARG4 0x54 | ||
159 | #define SF_XARG5 0x58 | ||
160 | #define SF_XXARG 0x5c | ||
161 | |||
162 | /* Stuff for the ptrace system call */ | ||
163 | #define PTRACE_SPARC_DETACH 11 | ||
164 | #define PTRACE_GETREGS 12 | ||
165 | #define PTRACE_SETREGS 13 | ||
166 | #define PTRACE_GETFPREGS 14 | ||
167 | #define PTRACE_SETFPREGS 15 | ||
168 | #define PTRACE_READDATA 16 | ||
169 | #define PTRACE_WRITEDATA 17 | ||
170 | #define PTRACE_READTEXT 18 | ||
171 | #define PTRACE_WRITETEXT 19 | ||
172 | #define PTRACE_GETFPAREGS 20 | ||
173 | #define PTRACE_SETFPAREGS 21 | ||
174 | |||
175 | #endif /* !(_SPARC_PTRACE_H) */ | ||
diff --git a/include/asm-sparc/ptrace_32.h b/include/asm-sparc/ptrace_32.h new file mode 100644 index 000000000000..0401cc7ec38e --- /dev/null +++ b/include/asm-sparc/ptrace_32.h | |||
@@ -0,0 +1,175 @@ | |||
1 | #ifndef _SPARC_PTRACE_H | ||
2 | #define _SPARC_PTRACE_H | ||
3 | |||
4 | #include <asm/psr.h> | ||
5 | |||
6 | /* This struct defines the way the registers are stored on the | ||
7 | * stack during a system call and basically all traps. | ||
8 | */ | ||
9 | |||
10 | #ifndef __ASSEMBLY__ | ||
11 | |||
12 | #include <linux/types.h> | ||
13 | |||
14 | struct pt_regs { | ||
15 | unsigned long psr; | ||
16 | unsigned long pc; | ||
17 | unsigned long npc; | ||
18 | unsigned long y; | ||
19 | unsigned long u_regs[16]; /* globals and ins */ | ||
20 | }; | ||
21 | |||
22 | #define UREG_G0 0 | ||
23 | #define UREG_G1 1 | ||
24 | #define UREG_G2 2 | ||
25 | #define UREG_G3 3 | ||
26 | #define UREG_G4 4 | ||
27 | #define UREG_G5 5 | ||
28 | #define UREG_G6 6 | ||
29 | #define UREG_G7 7 | ||
30 | #define UREG_I0 8 | ||
31 | #define UREG_I1 9 | ||
32 | #define UREG_I2 10 | ||
33 | #define UREG_I3 11 | ||
34 | #define UREG_I4 12 | ||
35 | #define UREG_I5 13 | ||
36 | #define UREG_I6 14 | ||
37 | #define UREG_I7 15 | ||
38 | #define UREG_WIM UREG_G0 | ||
39 | #define UREG_FADDR UREG_G0 | ||
40 | #define UREG_FP UREG_I6 | ||
41 | #define UREG_RETPC UREG_I7 | ||
42 | |||
43 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) | ||
44 | { | ||
45 | return (regs->psr & PSR_SYSCALL); | ||
46 | } | ||
47 | |||
48 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | ||
49 | { | ||
50 | return (regs->psr &= ~PSR_SYSCALL); | ||
51 | } | ||
52 | |||
53 | /* A register window */ | ||
54 | struct reg_window { | ||
55 | unsigned long locals[8]; | ||
56 | unsigned long ins[8]; | ||
57 | }; | ||
58 | |||
59 | /* A Sparc stack frame */ | ||
60 | struct sparc_stackf { | ||
61 | unsigned long locals[8]; | ||
62 | unsigned long ins[6]; | ||
63 | struct sparc_stackf *fp; | ||
64 | unsigned long callers_pc; | ||
65 | char *structptr; | ||
66 | unsigned long xargs[6]; | ||
67 | unsigned long xxargs[1]; | ||
68 | }; | ||
69 | |||
70 | #define TRACEREG_SZ sizeof(struct pt_regs) | ||
71 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | ||
72 | |||
73 | #ifdef __KERNEL__ | ||
74 | |||
75 | #define user_mode(regs) (!((regs)->psr & PSR_PS)) | ||
76 | #define instruction_pointer(regs) ((regs)->pc) | ||
77 | unsigned long profile_pc(struct pt_regs *); | ||
78 | extern void show_regs(struct pt_regs *); | ||
79 | #endif | ||
80 | |||
81 | #else /* __ASSEMBLY__ */ | ||
82 | /* For assembly code. */ | ||
83 | #define TRACEREG_SZ 0x50 | ||
84 | #define STACKFRAME_SZ 0x60 | ||
85 | #endif | ||
86 | |||
87 | /* | ||
88 | * The asm-offsets.h is a generated file, so we cannot include it. | ||
89 | * It may be OK for glibc headers, but it's utterly pointless for C code. | ||
90 | * The assembly code using those offsets has to include it explicitly. | ||
91 | */ | ||
92 | /* #include <asm/asm-offsets.h> */ | ||
93 | |||
94 | /* These are for pt_regs. */ | ||
95 | #define PT_PSR 0x0 | ||
96 | #define PT_PC 0x4 | ||
97 | #define PT_NPC 0x8 | ||
98 | #define PT_Y 0xc | ||
99 | #define PT_G0 0x10 | ||
100 | #define PT_WIM PT_G0 | ||
101 | #define PT_G1 0x14 | ||
102 | #define PT_G2 0x18 | ||
103 | #define PT_G3 0x1c | ||
104 | #define PT_G4 0x20 | ||
105 | #define PT_G5 0x24 | ||
106 | #define PT_G6 0x28 | ||
107 | #define PT_G7 0x2c | ||
108 | #define PT_I0 0x30 | ||
109 | #define PT_I1 0x34 | ||
110 | #define PT_I2 0x38 | ||
111 | #define PT_I3 0x3c | ||
112 | #define PT_I4 0x40 | ||
113 | #define PT_I5 0x44 | ||
114 | #define PT_I6 0x48 | ||
115 | #define PT_FP PT_I6 | ||
116 | #define PT_I7 0x4c | ||
117 | |||
118 | /* Reg_window offsets */ | ||
119 | #define RW_L0 0x00 | ||
120 | #define RW_L1 0x04 | ||
121 | #define RW_L2 0x08 | ||
122 | #define RW_L3 0x0c | ||
123 | #define RW_L4 0x10 | ||
124 | #define RW_L5 0x14 | ||
125 | #define RW_L6 0x18 | ||
126 | #define RW_L7 0x1c | ||
127 | #define RW_I0 0x20 | ||
128 | #define RW_I1 0x24 | ||
129 | #define RW_I2 0x28 | ||
130 | #define RW_I3 0x2c | ||
131 | #define RW_I4 0x30 | ||
132 | #define RW_I5 0x34 | ||
133 | #define RW_I6 0x38 | ||
134 | #define RW_I7 0x3c | ||
135 | |||
136 | /* Stack_frame offsets */ | ||
137 | #define SF_L0 0x00 | ||
138 | #define SF_L1 0x04 | ||
139 | #define SF_L2 0x08 | ||
140 | #define SF_L3 0x0c | ||
141 | #define SF_L4 0x10 | ||
142 | #define SF_L5 0x14 | ||
143 | #define SF_L6 0x18 | ||
144 | #define SF_L7 0x1c | ||
145 | #define SF_I0 0x20 | ||
146 | #define SF_I1 0x24 | ||
147 | #define SF_I2 0x28 | ||
148 | #define SF_I3 0x2c | ||
149 | #define SF_I4 0x30 | ||
150 | #define SF_I5 0x34 | ||
151 | #define SF_FP 0x38 | ||
152 | #define SF_PC 0x3c | ||
153 | #define SF_RETP 0x40 | ||
154 | #define SF_XARG0 0x44 | ||
155 | #define SF_XARG1 0x48 | ||
156 | #define SF_XARG2 0x4c | ||
157 | #define SF_XARG3 0x50 | ||
158 | #define SF_XARG4 0x54 | ||
159 | #define SF_XARG5 0x58 | ||
160 | #define SF_XXARG 0x5c | ||
161 | |||
162 | /* Stuff for the ptrace system call */ | ||
163 | #define PTRACE_SPARC_DETACH 11 | ||
164 | #define PTRACE_GETREGS 12 | ||
165 | #define PTRACE_SETREGS 13 | ||
166 | #define PTRACE_GETFPREGS 14 | ||
167 | #define PTRACE_SETFPREGS 15 | ||
168 | #define PTRACE_READDATA 16 | ||
169 | #define PTRACE_WRITEDATA 17 | ||
170 | #define PTRACE_READTEXT 18 | ||
171 | #define PTRACE_WRITETEXT 19 | ||
172 | #define PTRACE_GETFPAREGS 20 | ||
173 | #define PTRACE_SETFPAREGS 21 | ||
174 | |||
175 | #endif /* !(_SPARC_PTRACE_H) */ | ||
diff --git a/include/asm-sparc/ptrace_64.h b/include/asm-sparc/ptrace_64.h new file mode 100644 index 000000000000..a682e66d5c4a --- /dev/null +++ b/include/asm-sparc/ptrace_64.h | |||
@@ -0,0 +1,346 @@ | |||
1 | #ifndef _SPARC64_PTRACE_H | ||
2 | #define _SPARC64_PTRACE_H | ||
3 | |||
4 | #include <asm/pstate.h> | ||
5 | |||
6 | /* This struct defines the way the registers are stored on the | ||
7 | * stack during a system call and basically all traps. | ||
8 | */ | ||
9 | |||
10 | /* This magic value must have the low 9 bits clear, | ||
11 | * as that is where we encode the %tt value, see below. | ||
12 | */ | ||
13 | #define PT_REGS_MAGIC 0x57ac6c00 | ||
14 | |||
15 | #ifndef __ASSEMBLY__ | ||
16 | |||
17 | #include <linux/types.h> | ||
18 | |||
19 | struct pt_regs { | ||
20 | unsigned long u_regs[16]; /* globals and ins */ | ||
21 | unsigned long tstate; | ||
22 | unsigned long tpc; | ||
23 | unsigned long tnpc; | ||
24 | unsigned int y; | ||
25 | |||
26 | /* We encode a magic number, PT_REGS_MAGIC, along | ||
27 | * with the %tt (trap type) register value at trap | ||
28 | * entry time. The magic number allows us to identify | ||
29 | * accurately a trap stack frame in the stack | ||
30 | * unwinder, and the %tt value allows us to test | ||
31 | * things like "in a system call" etc. for an arbitray | ||
32 | * process. | ||
33 | * | ||
34 | * The PT_REGS_MAGIC is choosen such that it can be | ||
35 | * loaded completely using just a sethi instruction. | ||
36 | */ | ||
37 | unsigned int magic; | ||
38 | }; | ||
39 | |||
40 | static inline int pt_regs_trap_type(struct pt_regs *regs) | ||
41 | { | ||
42 | return regs->magic & 0x1ff; | ||
43 | } | ||
44 | |||
45 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) | ||
46 | { | ||
47 | return (regs->tstate & TSTATE_SYSCALL); | ||
48 | } | ||
49 | |||
50 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | ||
51 | { | ||
52 | return (regs->tstate &= ~TSTATE_SYSCALL); | ||
53 | } | ||
54 | |||
55 | struct pt_regs32 { | ||
56 | unsigned int psr; | ||
57 | unsigned int pc; | ||
58 | unsigned int npc; | ||
59 | unsigned int y; | ||
60 | unsigned int u_regs[16]; /* globals and ins */ | ||
61 | }; | ||
62 | |||
63 | #define UREG_G0 0 | ||
64 | #define UREG_G1 1 | ||
65 | #define UREG_G2 2 | ||
66 | #define UREG_G3 3 | ||
67 | #define UREG_G4 4 | ||
68 | #define UREG_G5 5 | ||
69 | #define UREG_G6 6 | ||
70 | #define UREG_G7 7 | ||
71 | #define UREG_I0 8 | ||
72 | #define UREG_I1 9 | ||
73 | #define UREG_I2 10 | ||
74 | #define UREG_I3 11 | ||
75 | #define UREG_I4 12 | ||
76 | #define UREG_I5 13 | ||
77 | #define UREG_I6 14 | ||
78 | #define UREG_I7 15 | ||
79 | #define UREG_FP UREG_I6 | ||
80 | #define UREG_RETPC UREG_I7 | ||
81 | |||
82 | /* A V9 register window */ | ||
83 | struct reg_window { | ||
84 | unsigned long locals[8]; | ||
85 | unsigned long ins[8]; | ||
86 | }; | ||
87 | |||
88 | /* A 32-bit register window. */ | ||
89 | struct reg_window32 { | ||
90 | unsigned int locals[8]; | ||
91 | unsigned int ins[8]; | ||
92 | }; | ||
93 | |||
94 | /* A V9 Sparc stack frame */ | ||
95 | struct sparc_stackf { | ||
96 | unsigned long locals[8]; | ||
97 | unsigned long ins[6]; | ||
98 | struct sparc_stackf *fp; | ||
99 | unsigned long callers_pc; | ||
100 | char *structptr; | ||
101 | unsigned long xargs[6]; | ||
102 | unsigned long xxargs[1]; | ||
103 | }; | ||
104 | |||
105 | /* A 32-bit Sparc stack frame */ | ||
106 | struct sparc_stackf32 { | ||
107 | unsigned int locals[8]; | ||
108 | unsigned int ins[6]; | ||
109 | unsigned int fp; | ||
110 | unsigned int callers_pc; | ||
111 | unsigned int structptr; | ||
112 | unsigned int xargs[6]; | ||
113 | unsigned int xxargs[1]; | ||
114 | }; | ||
115 | |||
116 | struct sparc_trapf { | ||
117 | unsigned long locals[8]; | ||
118 | unsigned long ins[8]; | ||
119 | unsigned long _unused; | ||
120 | struct pt_regs *regs; | ||
121 | }; | ||
122 | |||
123 | #define TRACEREG_SZ sizeof(struct pt_regs) | ||
124 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | ||
125 | |||
126 | #define TRACEREG32_SZ sizeof(struct pt_regs32) | ||
127 | #define STACKFRAME32_SZ sizeof(struct sparc_stackf32) | ||
128 | |||
129 | #ifdef __KERNEL__ | ||
130 | |||
131 | struct global_reg_snapshot { | ||
132 | unsigned long tstate; | ||
133 | unsigned long tpc; | ||
134 | unsigned long tnpc; | ||
135 | unsigned long o7; | ||
136 | unsigned long i7; | ||
137 | struct thread_info *thread; | ||
138 | unsigned long pad1; | ||
139 | unsigned long pad2; | ||
140 | }; | ||
141 | |||
142 | #define __ARCH_WANT_COMPAT_SYS_PTRACE | ||
143 | |||
144 | #define force_successful_syscall_return() \ | ||
145 | do { current_thread_info()->syscall_noerror = 1; \ | ||
146 | } while (0) | ||
147 | #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) | ||
148 | #define instruction_pointer(regs) ((regs)->tpc) | ||
149 | #define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) | ||
150 | #ifdef CONFIG_SMP | ||
151 | extern unsigned long profile_pc(struct pt_regs *); | ||
152 | #else | ||
153 | #define profile_pc(regs) instruction_pointer(regs) | ||
154 | #endif | ||
155 | extern void show_regs(struct pt_regs *); | ||
156 | extern void __show_regs(struct pt_regs *); | ||
157 | #endif | ||
158 | |||
159 | #else /* __ASSEMBLY__ */ | ||
160 | /* For assembly code. */ | ||
161 | #define TRACEREG_SZ 0xa0 | ||
162 | #define STACKFRAME_SZ 0xc0 | ||
163 | |||
164 | #define TRACEREG32_SZ 0x50 | ||
165 | #define STACKFRAME32_SZ 0x60 | ||
166 | #endif | ||
167 | |||
168 | #ifdef __KERNEL__ | ||
169 | #define STACK_BIAS 2047 | ||
170 | #endif | ||
171 | |||
172 | /* These are for pt_regs. */ | ||
173 | #define PT_V9_G0 0x00 | ||
174 | #define PT_V9_G1 0x08 | ||
175 | #define PT_V9_G2 0x10 | ||
176 | #define PT_V9_G3 0x18 | ||
177 | #define PT_V9_G4 0x20 | ||
178 | #define PT_V9_G5 0x28 | ||
179 | #define PT_V9_G6 0x30 | ||
180 | #define PT_V9_G7 0x38 | ||
181 | #define PT_V9_I0 0x40 | ||
182 | #define PT_V9_I1 0x48 | ||
183 | #define PT_V9_I2 0x50 | ||
184 | #define PT_V9_I3 0x58 | ||
185 | #define PT_V9_I4 0x60 | ||
186 | #define PT_V9_I5 0x68 | ||
187 | #define PT_V9_I6 0x70 | ||
188 | #define PT_V9_FP PT_V9_I6 | ||
189 | #define PT_V9_I7 0x78 | ||
190 | #define PT_V9_TSTATE 0x80 | ||
191 | #define PT_V9_TPC 0x88 | ||
192 | #define PT_V9_TNPC 0x90 | ||
193 | #define PT_V9_Y 0x98 | ||
194 | #define PT_V9_MAGIC 0x9c | ||
195 | #define PT_TSTATE PT_V9_TSTATE | ||
196 | #define PT_TPC PT_V9_TPC | ||
197 | #define PT_TNPC PT_V9_TNPC | ||
198 | |||
199 | /* These for pt_regs32. */ | ||
200 | #define PT_PSR 0x0 | ||
201 | #define PT_PC 0x4 | ||
202 | #define PT_NPC 0x8 | ||
203 | #define PT_Y 0xc | ||
204 | #define PT_G0 0x10 | ||
205 | #define PT_WIM PT_G0 | ||
206 | #define PT_G1 0x14 | ||
207 | #define PT_G2 0x18 | ||
208 | #define PT_G3 0x1c | ||
209 | #define PT_G4 0x20 | ||
210 | #define PT_G5 0x24 | ||
211 | #define PT_G6 0x28 | ||
212 | #define PT_G7 0x2c | ||
213 | #define PT_I0 0x30 | ||
214 | #define PT_I1 0x34 | ||
215 | #define PT_I2 0x38 | ||
216 | #define PT_I3 0x3c | ||
217 | #define PT_I4 0x40 | ||
218 | #define PT_I5 0x44 | ||
219 | #define PT_I6 0x48 | ||
220 | #define PT_FP PT_I6 | ||
221 | #define PT_I7 0x4c | ||
222 | |||
223 | /* Reg_window offsets */ | ||
224 | #define RW_V9_L0 0x00 | ||
225 | #define RW_V9_L1 0x08 | ||
226 | #define RW_V9_L2 0x10 | ||
227 | #define RW_V9_L3 0x18 | ||
228 | #define RW_V9_L4 0x20 | ||
229 | #define RW_V9_L5 0x28 | ||
230 | #define RW_V9_L6 0x30 | ||
231 | #define RW_V9_L7 0x38 | ||
232 | #define RW_V9_I0 0x40 | ||
233 | #define RW_V9_I1 0x48 | ||
234 | #define RW_V9_I2 0x50 | ||
235 | #define RW_V9_I3 0x58 | ||
236 | #define RW_V9_I4 0x60 | ||
237 | #define RW_V9_I5 0x68 | ||
238 | #define RW_V9_I6 0x70 | ||
239 | #define RW_V9_I7 0x78 | ||
240 | |||
241 | #define RW_L0 0x00 | ||
242 | #define RW_L1 0x04 | ||
243 | #define RW_L2 0x08 | ||
244 | #define RW_L3 0x0c | ||
245 | #define RW_L4 0x10 | ||
246 | #define RW_L5 0x14 | ||
247 | #define RW_L6 0x18 | ||
248 | #define RW_L7 0x1c | ||
249 | #define RW_I0 0x20 | ||
250 | #define RW_I1 0x24 | ||
251 | #define RW_I2 0x28 | ||
252 | #define RW_I3 0x2c | ||
253 | #define RW_I4 0x30 | ||
254 | #define RW_I5 0x34 | ||
255 | #define RW_I6 0x38 | ||
256 | #define RW_I7 0x3c | ||
257 | |||
258 | /* Stack_frame offsets */ | ||
259 | #define SF_V9_L0 0x00 | ||
260 | #define SF_V9_L1 0x08 | ||
261 | #define SF_V9_L2 0x10 | ||
262 | #define SF_V9_L3 0x18 | ||
263 | #define SF_V9_L4 0x20 | ||
264 | #define SF_V9_L5 0x28 | ||
265 | #define SF_V9_L6 0x30 | ||
266 | #define SF_V9_L7 0x38 | ||
267 | #define SF_V9_I0 0x40 | ||
268 | #define SF_V9_I1 0x48 | ||
269 | #define SF_V9_I2 0x50 | ||
270 | #define SF_V9_I3 0x58 | ||
271 | #define SF_V9_I4 0x60 | ||
272 | #define SF_V9_I5 0x68 | ||
273 | #define SF_V9_FP 0x70 | ||
274 | #define SF_V9_PC 0x78 | ||
275 | #define SF_V9_RETP 0x80 | ||
276 | #define SF_V9_XARG0 0x88 | ||
277 | #define SF_V9_XARG1 0x90 | ||
278 | #define SF_V9_XARG2 0x98 | ||
279 | #define SF_V9_XARG3 0xa0 | ||
280 | #define SF_V9_XARG4 0xa8 | ||
281 | #define SF_V9_XARG5 0xb0 | ||
282 | #define SF_V9_XXARG 0xb8 | ||
283 | |||
284 | #define SF_L0 0x00 | ||
285 | #define SF_L1 0x04 | ||
286 | #define SF_L2 0x08 | ||
287 | #define SF_L3 0x0c | ||
288 | #define SF_L4 0x10 | ||
289 | #define SF_L5 0x14 | ||
290 | #define SF_L6 0x18 | ||
291 | #define SF_L7 0x1c | ||
292 | #define SF_I0 0x20 | ||
293 | #define SF_I1 0x24 | ||
294 | #define SF_I2 0x28 | ||
295 | #define SF_I3 0x2c | ||
296 | #define SF_I4 0x30 | ||
297 | #define SF_I5 0x34 | ||
298 | #define SF_FP 0x38 | ||
299 | #define SF_PC 0x3c | ||
300 | #define SF_RETP 0x40 | ||
301 | #define SF_XARG0 0x44 | ||
302 | #define SF_XARG1 0x48 | ||
303 | #define SF_XARG2 0x4c | ||
304 | #define SF_XARG3 0x50 | ||
305 | #define SF_XARG4 0x54 | ||
306 | #define SF_XARG5 0x58 | ||
307 | #define SF_XXARG 0x5c | ||
308 | |||
309 | #ifdef __KERNEL__ | ||
310 | |||
311 | /* global_reg_snapshot offsets */ | ||
312 | #define GR_SNAP_TSTATE 0x00 | ||
313 | #define GR_SNAP_TPC 0x08 | ||
314 | #define GR_SNAP_TNPC 0x10 | ||
315 | #define GR_SNAP_O7 0x18 | ||
316 | #define GR_SNAP_I7 0x20 | ||
317 | #define GR_SNAP_THREAD 0x28 | ||
318 | #define GR_SNAP_PAD1 0x30 | ||
319 | #define GR_SNAP_PAD2 0x38 | ||
320 | |||
321 | #endif /* __KERNEL__ */ | ||
322 | |||
323 | /* Stuff for the ptrace system call */ | ||
324 | #define PTRACE_SPARC_DETACH 11 | ||
325 | #define PTRACE_GETREGS 12 | ||
326 | #define PTRACE_SETREGS 13 | ||
327 | #define PTRACE_GETFPREGS 14 | ||
328 | #define PTRACE_SETFPREGS 15 | ||
329 | #define PTRACE_READDATA 16 | ||
330 | #define PTRACE_WRITEDATA 17 | ||
331 | #define PTRACE_READTEXT 18 | ||
332 | #define PTRACE_WRITETEXT 19 | ||
333 | #define PTRACE_GETFPAREGS 20 | ||
334 | #define PTRACE_SETFPAREGS 21 | ||
335 | |||
336 | /* There are for debugging 64-bit processes, either from a 32 or 64 bit | ||
337 | * parent. Thus their complements are for debugging 32-bit processes only. | ||
338 | */ | ||
339 | |||
340 | #define PTRACE_GETREGS64 22 | ||
341 | #define PTRACE_SETREGS64 23 | ||
342 | /* PTRACE_SYSCALL is 24 */ | ||
343 | #define PTRACE_GETFPREGS64 25 | ||
344 | #define PTRACE_SETFPREGS64 26 | ||
345 | |||
346 | #endif /* !(_SPARC64_PTRACE_H) */ | ||
diff --git a/include/asm-sparc/reg.h b/include/asm-sparc/reg.h index ea0a7e590bb3..cb34b0a49aad 100644 --- a/include/asm-sparc/reg.h +++ b/include/asm-sparc/reg.h | |||
@@ -1,79 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_REG_H |
2 | * linux/include/asm-sparc/reg.h | 2 | #define ___ASM_SPARC_REG_H |
3 | * Layout of the registers as expected by gdb on the Sparc | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * we should replace the user.h definitions with those in | 4 | #include <asm-sparc/reg_64.h> |
5 | * this file, we don't even use the other | 5 | #else |
6 | * -miguel | 6 | #include <asm-sparc/reg_32.h> |
7 | * | 7 | #endif |
8 | * The names of the structures, constants and aliases in this file | 8 | #endif |
9 | * have the same names as the sunos ones, some programs rely on these | ||
10 | * names (gdb for example). | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #ifndef __SPARC_REG_H | ||
15 | #define __SPARC_REG_H | ||
16 | |||
17 | struct regs { | ||
18 | int r_psr; | ||
19 | #define r_ps r_psr | ||
20 | int r_pc; | ||
21 | int r_npc; | ||
22 | int r_y; | ||
23 | int r_g1; | ||
24 | int r_g2; | ||
25 | int r_g3; | ||
26 | int r_g4; | ||
27 | int r_g5; | ||
28 | int r_g6; | ||
29 | int r_g7; | ||
30 | int r_o0; | ||
31 | int r_o1; | ||
32 | int r_o2; | ||
33 | int r_o3; | ||
34 | int r_o4; | ||
35 | int r_o5; | ||
36 | int r_o6; | ||
37 | int r_o7; | ||
38 | }; | ||
39 | |||
40 | struct fpq { | ||
41 | unsigned long *addr; | ||
42 | unsigned long instr; | ||
43 | }; | ||
44 | |||
45 | struct fq { | ||
46 | union { | ||
47 | double whole; | ||
48 | struct fpq fpq; | ||
49 | } FQu; | ||
50 | }; | ||
51 | |||
52 | #define FPU_REGS_TYPE unsigned int | ||
53 | #define FPU_FSR_TYPE unsigned | ||
54 | |||
55 | struct fp_status { | ||
56 | union { | ||
57 | FPU_REGS_TYPE Fpu_regs[32]; | ||
58 | double Fpu_dregs[16]; | ||
59 | } fpu_fr; | ||
60 | FPU_FSR_TYPE Fpu_fsr; | ||
61 | unsigned Fpu_flags; | ||
62 | unsigned Fpu_extra; | ||
63 | unsigned Fpu_qcnt; | ||
64 | struct fq Fpu_q[16]; | ||
65 | }; | ||
66 | |||
67 | #define fpu_regs f_fpstatus.fpu_fr.Fpu_regs | ||
68 | #define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs | ||
69 | #define fpu_fsr f_fpstatus.Fpu_fsr | ||
70 | #define fpu_flags f_fpstatus.Fpu_flags | ||
71 | #define fpu_extra f_fpstatus.Fpu_extra | ||
72 | #define fpu_q f_fpstatus.Fpu_q | ||
73 | #define fpu_qcnt f_fpstatus.Fpu_qcnt | ||
74 | |||
75 | struct fpu { | ||
76 | struct fp_status f_fpstatus; | ||
77 | }; | ||
78 | |||
79 | #endif /* __SPARC_REG_H */ | ||
diff --git a/include/asm-sparc/reg_32.h b/include/asm-sparc/reg_32.h new file mode 100644 index 000000000000..42fecfcd97e7 --- /dev/null +++ b/include/asm-sparc/reg_32.h | |||
@@ -0,0 +1,79 @@ | |||
1 | /* | ||
2 | * linux/include/asm-sparc/reg.h | ||
3 | * Layout of the registers as expected by gdb on the Sparc | ||
4 | * we should replace the user.h definitions with those in | ||
5 | * this file, we don't even use the other | ||
6 | * -miguel | ||
7 | * | ||
8 | * The names of the structures, constants and aliases in this file | ||
9 | * have the same names as the sunos ones, some programs rely on these | ||
10 | * names (gdb for example). | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #ifndef __SPARC_REG_H | ||
15 | #define __SPARC_REG_H | ||
16 | |||
17 | struct regs { | ||
18 | int r_psr; | ||
19 | #define r_ps r_psr | ||
20 | int r_pc; | ||
21 | int r_npc; | ||
22 | int r_y; | ||
23 | int r_g1; | ||
24 | int r_g2; | ||
25 | int r_g3; | ||
26 | int r_g4; | ||
27 | int r_g5; | ||
28 | int r_g6; | ||
29 | int r_g7; | ||
30 | int r_o0; | ||
31 | int r_o1; | ||
32 | int r_o2; | ||
33 | int r_o3; | ||
34 | int r_o4; | ||
35 | int r_o5; | ||
36 | int r_o6; | ||
37 | int r_o7; | ||
38 | }; | ||
39 | |||
40 | struct fpq { | ||
41 | unsigned long *addr; | ||
42 | unsigned long instr; | ||
43 | }; | ||
44 | |||
45 | struct fq { | ||
46 | union { | ||
47 | double whole; | ||
48 | struct fpq fpq; | ||
49 | } FQu; | ||
50 | }; | ||
51 | |||
52 | #define FPU_REGS_TYPE unsigned int | ||
53 | #define FPU_FSR_TYPE unsigned | ||
54 | |||
55 | struct fp_status { | ||
56 | union { | ||
57 | FPU_REGS_TYPE Fpu_regs[32]; | ||
58 | double Fpu_dregs[16]; | ||
59 | } fpu_fr; | ||
60 | FPU_FSR_TYPE Fpu_fsr; | ||
61 | unsigned Fpu_flags; | ||
62 | unsigned Fpu_extra; | ||
63 | unsigned Fpu_qcnt; | ||
64 | struct fq Fpu_q[16]; | ||
65 | }; | ||
66 | |||
67 | #define fpu_regs f_fpstatus.fpu_fr.Fpu_regs | ||
68 | #define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs | ||
69 | #define fpu_fsr f_fpstatus.Fpu_fsr | ||
70 | #define fpu_flags f_fpstatus.Fpu_flags | ||
71 | #define fpu_extra f_fpstatus.Fpu_extra | ||
72 | #define fpu_q f_fpstatus.Fpu_q | ||
73 | #define fpu_qcnt f_fpstatus.Fpu_qcnt | ||
74 | |||
75 | struct fpu { | ||
76 | struct fp_status f_fpstatus; | ||
77 | }; | ||
78 | |||
79 | #endif /* __SPARC_REG_H */ | ||
diff --git a/include/asm-sparc/reg_64.h b/include/asm-sparc/reg_64.h new file mode 100644 index 000000000000..eb24a07ff4d5 --- /dev/null +++ b/include/asm-sparc/reg_64.h | |||
@@ -0,0 +1,56 @@ | |||
1 | /* | ||
2 | * linux/asm-sparc64/reg.h | ||
3 | * Layout of the registers as expected by gdb on the Sparc | ||
4 | * we should replace the user.h definitions with those in | ||
5 | * this file, we don't even use the other | ||
6 | * -miguel | ||
7 | * | ||
8 | * The names of the structures, constants and aliases in this file | ||
9 | * have the same names as the sunos ones, some programs rely on these | ||
10 | * names (gdb for example). | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #ifndef __SPARC64_REG_H | ||
15 | #define __SPARC64_REG_H | ||
16 | |||
17 | struct regs { | ||
18 | unsigned long r_g1; | ||
19 | unsigned long r_g2; | ||
20 | unsigned long r_g3; | ||
21 | unsigned long r_g4; | ||
22 | unsigned long r_g5; | ||
23 | unsigned long r_g6; | ||
24 | unsigned long r_g7; | ||
25 | unsigned long r_o0; | ||
26 | unsigned long r_o1; | ||
27 | unsigned long r_o2; | ||
28 | unsigned long r_o3; | ||
29 | unsigned long r_o4; | ||
30 | unsigned long r_o5; | ||
31 | unsigned long r_o6; | ||
32 | unsigned long r_o7; | ||
33 | unsigned long __pad; | ||
34 | unsigned long r_tstate; | ||
35 | unsigned long r_tpc; | ||
36 | unsigned long r_tnpc; | ||
37 | unsigned int r_y; | ||
38 | unsigned int r_fprs; | ||
39 | }; | ||
40 | |||
41 | #define FPU_REGS_TYPE unsigned int | ||
42 | #define FPU_FSR_TYPE unsigned long | ||
43 | |||
44 | struct fp_status { | ||
45 | unsigned long fpu_fr[32]; | ||
46 | unsigned long Fpu_fsr; | ||
47 | }; | ||
48 | |||
49 | struct fpu { | ||
50 | struct fp_status f_fpstatus; | ||
51 | }; | ||
52 | |||
53 | #define fpu_regs f_fpstatus.fpu_fr | ||
54 | #define fpu_fsr f_fpstatus.Fpu_fsr | ||
55 | |||
56 | #endif /* __SPARC64_REG_H */ | ||
diff --git a/include/asm-sparc/sbus.h b/include/asm-sparc/sbus.h index f1d2fe1c9a30..8f29a1979665 100644 --- a/include/asm-sparc/sbus.h +++ b/include/asm-sparc/sbus.h | |||
@@ -1,153 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_SBUS_H |
2 | * sbus.h: Defines for the Sun SBus. | 2 | #define ___ASM_SPARC_SBUS_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/sbus_64.h> |
5 | */ | 5 | #else |
6 | 6 | #include <asm-sparc/sbus_32.h> | |
7 | #ifndef _SPARC_SBUS_H | 7 | #endif |
8 | #define _SPARC_SBUS_H | 8 | #endif |
9 | |||
10 | #include <linux/dma-mapping.h> | ||
11 | #include <linux/ioport.h> | ||
12 | |||
13 | #include <asm/oplib.h> | ||
14 | #include <asm/prom.h> | ||
15 | #include <asm/of_device.h> | ||
16 | #include <asm/scatterlist.h> | ||
17 | |||
18 | /* We scan which devices are on the SBus using the PROM node device | ||
19 | * tree. SBus devices are described in two different ways. You can | ||
20 | * either get an absolute address at which to access the device, or | ||
21 | * you can get a SBus 'slot' number and an offset within that slot. | ||
22 | */ | ||
23 | |||
24 | /* The base address at which to calculate device OBIO addresses. */ | ||
25 | #define SUN_SBUS_BVADDR 0xf8000000 | ||
26 | #define SBUS_OFF_MASK 0x01ffffff | ||
27 | |||
28 | /* These routines are used to calculate device address from slot | ||
29 | * numbers + offsets, and vice versa. | ||
30 | */ | ||
31 | |||
32 | static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) | ||
33 | { | ||
34 | return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<25)+(offset)); | ||
35 | } | ||
36 | |||
37 | static inline int sbus_dev_slot(unsigned long dev_addr) | ||
38 | { | ||
39 | return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>25); | ||
40 | } | ||
41 | |||
42 | struct sbus_bus; | ||
43 | |||
44 | /* Linux SBUS device tables */ | ||
45 | struct sbus_dev { | ||
46 | struct of_device ofdev; | ||
47 | struct sbus_bus *bus; | ||
48 | struct sbus_dev *next; | ||
49 | struct sbus_dev *child; | ||
50 | struct sbus_dev *parent; | ||
51 | int prom_node; | ||
52 | char prom_name[64]; | ||
53 | int slot; | ||
54 | |||
55 | struct resource resource[PROMREG_MAX]; | ||
56 | |||
57 | struct linux_prom_registers reg_addrs[PROMREG_MAX]; | ||
58 | int num_registers; | ||
59 | |||
60 | struct linux_prom_ranges device_ranges[PROMREG_MAX]; | ||
61 | int num_device_ranges; | ||
62 | |||
63 | unsigned int irqs[4]; | ||
64 | int num_irqs; | ||
65 | }; | ||
66 | #define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) | ||
67 | |||
68 | /* This struct describes the SBus(s) found on this machine. */ | ||
69 | struct sbus_bus { | ||
70 | struct of_device ofdev; | ||
71 | struct sbus_dev *devices; /* Link to devices on this SBus */ | ||
72 | struct sbus_bus *next; /* next SBus, if more than one SBus */ | ||
73 | int prom_node; /* PROM device tree node for this SBus */ | ||
74 | char prom_name[64]; /* Usually "sbus" or "sbi" */ | ||
75 | int clock_freq; | ||
76 | |||
77 | struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; | ||
78 | int num_sbus_ranges; | ||
79 | |||
80 | int devid; | ||
81 | int board; | ||
82 | }; | ||
83 | #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) | ||
84 | |||
85 | extern struct sbus_bus *sbus_root; | ||
86 | |||
87 | static inline int | ||
88 | sbus_is_slave(struct sbus_dev *dev) | ||
89 | { | ||
90 | /* XXX Have to write this for sun4c's */ | ||
91 | return 0; | ||
92 | } | ||
93 | |||
94 | /* Device probing routines could find these handy */ | ||
95 | #define for_each_sbus(bus) \ | ||
96 | for((bus) = sbus_root; (bus); (bus)=(bus)->next) | ||
97 | |||
98 | #define for_each_sbusdev(device, bus) \ | ||
99 | for((device) = (bus)->devices; (device); (device)=(device)->next) | ||
100 | |||
101 | #define for_all_sbusdev(device, bus) \ | ||
102 | for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ | ||
103 | for ((device) = (bus)->devices; (device); (device) = (device)->next) | ||
104 | |||
105 | /* Driver DVMA interfaces. */ | ||
106 | #define sbus_can_dma_64bit(sdev) (0) /* actually, sparc_cpu_model==sun4d */ | ||
107 | #define sbus_can_burst64(sdev) (0) /* actually, sparc_cpu_model==sun4d */ | ||
108 | extern void sbus_set_sbus64(struct sbus_dev *, int); | ||
109 | extern void sbus_fill_device_irq(struct sbus_dev *); | ||
110 | |||
111 | /* These yield IOMMU mappings in consistent mode. */ | ||
112 | extern void *sbus_alloc_consistent(struct sbus_dev *, long, u32 *dma_addrp); | ||
113 | extern void sbus_free_consistent(struct sbus_dev *, long, void *, u32); | ||
114 | void prom_adjust_ranges(struct linux_prom_ranges *, int, | ||
115 | struct linux_prom_ranges *, int); | ||
116 | |||
117 | #define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL | ||
118 | #define SBUS_DMA_TODEVICE DMA_TO_DEVICE | ||
119 | #define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE | ||
120 | #define SBUS_DMA_NONE DMA_NONE | ||
121 | |||
122 | /* All the rest use streaming mode mappings. */ | ||
123 | extern dma_addr_t sbus_map_single(struct sbus_dev *, void *, size_t, int); | ||
124 | extern void sbus_unmap_single(struct sbus_dev *, dma_addr_t, size_t, int); | ||
125 | extern int sbus_map_sg(struct sbus_dev *, struct scatterlist *, int, int); | ||
126 | extern void sbus_unmap_sg(struct sbus_dev *, struct scatterlist *, int, int); | ||
127 | |||
128 | /* Finally, allow explicit synchronization of streamable mappings. */ | ||
129 | extern void sbus_dma_sync_single_for_cpu(struct sbus_dev *, dma_addr_t, size_t, int); | ||
130 | #define sbus_dma_sync_single sbus_dma_sync_single_for_cpu | ||
131 | extern void sbus_dma_sync_single_for_device(struct sbus_dev *, dma_addr_t, size_t, int); | ||
132 | extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, int, int); | ||
133 | #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu | ||
134 | extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int); | ||
135 | |||
136 | /* Eric Brower (ebrower@usa.net) | ||
137 | * Translate SBus interrupt levels to ino values-- | ||
138 | * this is used when converting sbus "interrupts" OBP | ||
139 | * node values to "intr" node values, and is platform | ||
140 | * dependent. If only we could call OBP with | ||
141 | * "sbus-intr>cpu (sbint -- ino)" from kernel... | ||
142 | * See .../drivers/sbus/sbus.c for details. | ||
143 | */ | ||
144 | BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int) | ||
145 | #define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint) | ||
146 | |||
147 | extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); | ||
148 | extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); | ||
149 | extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); | ||
150 | extern int sbus_arch_preinit(void); | ||
151 | extern void sbus_arch_postinit(void); | ||
152 | |||
153 | #endif /* !(_SPARC_SBUS_H) */ | ||
diff --git a/include/asm-sparc/sbus_32.h b/include/asm-sparc/sbus_32.h new file mode 100644 index 000000000000..77b5d3aadc99 --- /dev/null +++ b/include/asm-sparc/sbus_32.h | |||
@@ -0,0 +1,153 @@ | |||
1 | /* | ||
2 | * sbus.h: Defines for the Sun SBus. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC_SBUS_H | ||
8 | #define _SPARC_SBUS_H | ||
9 | |||
10 | #include <linux/dma-mapping.h> | ||
11 | #include <linux/ioport.h> | ||
12 | |||
13 | #include <asm/oplib.h> | ||
14 | #include <asm/prom.h> | ||
15 | #include <asm/of_device.h> | ||
16 | #include <asm/scatterlist.h> | ||
17 | |||
18 | /* We scan which devices are on the SBus using the PROM node device | ||
19 | * tree. SBus devices are described in two different ways. You can | ||
20 | * either get an absolute address at which to access the device, or | ||
21 | * you can get a SBus 'slot' number and an offset within that slot. | ||
22 | */ | ||
23 | |||
24 | /* The base address at which to calculate device OBIO addresses. */ | ||
25 | #define SUN_SBUS_BVADDR 0xf8000000 | ||
26 | #define SBUS_OFF_MASK 0x01ffffff | ||
27 | |||
28 | /* These routines are used to calculate device address from slot | ||
29 | * numbers + offsets, and vice versa. | ||
30 | */ | ||
31 | |||
32 | static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) | ||
33 | { | ||
34 | return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<25)+(offset)); | ||
35 | } | ||
36 | |||
37 | static inline int sbus_dev_slot(unsigned long dev_addr) | ||
38 | { | ||
39 | return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>25); | ||
40 | } | ||
41 | |||
42 | struct sbus_bus; | ||
43 | |||
44 | /* Linux SBUS device tables */ | ||
45 | struct sbus_dev { | ||
46 | struct of_device ofdev; | ||
47 | struct sbus_bus *bus; | ||
48 | struct sbus_dev *next; | ||
49 | struct sbus_dev *child; | ||
50 | struct sbus_dev *parent; | ||
51 | int prom_node; | ||
52 | char prom_name[64]; | ||
53 | int slot; | ||
54 | |||
55 | struct resource resource[PROMREG_MAX]; | ||
56 | |||
57 | struct linux_prom_registers reg_addrs[PROMREG_MAX]; | ||
58 | int num_registers; | ||
59 | |||
60 | struct linux_prom_ranges device_ranges[PROMREG_MAX]; | ||
61 | int num_device_ranges; | ||
62 | |||
63 | unsigned int irqs[4]; | ||
64 | int num_irqs; | ||
65 | }; | ||
66 | #define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) | ||
67 | |||
68 | /* This struct describes the SBus(s) found on this machine. */ | ||
69 | struct sbus_bus { | ||
70 | struct of_device ofdev; | ||
71 | struct sbus_dev *devices; /* Link to devices on this SBus */ | ||
72 | struct sbus_bus *next; /* next SBus, if more than one SBus */ | ||
73 | int prom_node; /* PROM device tree node for this SBus */ | ||
74 | char prom_name[64]; /* Usually "sbus" or "sbi" */ | ||
75 | int clock_freq; | ||
76 | |||
77 | struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; | ||
78 | int num_sbus_ranges; | ||
79 | |||
80 | int devid; | ||
81 | int board; | ||
82 | }; | ||
83 | #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) | ||
84 | |||
85 | extern struct sbus_bus *sbus_root; | ||
86 | |||
87 | static inline int | ||
88 | sbus_is_slave(struct sbus_dev *dev) | ||
89 | { | ||
90 | /* XXX Have to write this for sun4c's */ | ||
91 | return 0; | ||
92 | } | ||
93 | |||
94 | /* Device probing routines could find these handy */ | ||
95 | #define for_each_sbus(bus) \ | ||
96 | for((bus) = sbus_root; (bus); (bus)=(bus)->next) | ||
97 | |||
98 | #define for_each_sbusdev(device, bus) \ | ||
99 | for((device) = (bus)->devices; (device); (device)=(device)->next) | ||
100 | |||
101 | #define for_all_sbusdev(device, bus) \ | ||
102 | for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ | ||
103 | for ((device) = (bus)->devices; (device); (device) = (device)->next) | ||
104 | |||
105 | /* Driver DVMA interfaces. */ | ||
106 | #define sbus_can_dma_64bit(sdev) (0) /* actually, sparc_cpu_model==sun4d */ | ||
107 | #define sbus_can_burst64(sdev) (0) /* actually, sparc_cpu_model==sun4d */ | ||
108 | extern void sbus_set_sbus64(struct sbus_dev *, int); | ||
109 | extern void sbus_fill_device_irq(struct sbus_dev *); | ||
110 | |||
111 | /* These yield IOMMU mappings in consistent mode. */ | ||
112 | extern void *sbus_alloc_consistent(struct sbus_dev *, long, u32 *dma_addrp); | ||
113 | extern void sbus_free_consistent(struct sbus_dev *, long, void *, u32); | ||
114 | void prom_adjust_ranges(struct linux_prom_ranges *, int, | ||
115 | struct linux_prom_ranges *, int); | ||
116 | |||
117 | #define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL | ||
118 | #define SBUS_DMA_TODEVICE DMA_TO_DEVICE | ||
119 | #define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE | ||
120 | #define SBUS_DMA_NONE DMA_NONE | ||
121 | |||
122 | /* All the rest use streaming mode mappings. */ | ||
123 | extern dma_addr_t sbus_map_single(struct sbus_dev *, void *, size_t, int); | ||
124 | extern void sbus_unmap_single(struct sbus_dev *, dma_addr_t, size_t, int); | ||
125 | extern int sbus_map_sg(struct sbus_dev *, struct scatterlist *, int, int); | ||
126 | extern void sbus_unmap_sg(struct sbus_dev *, struct scatterlist *, int, int); | ||
127 | |||
128 | /* Finally, allow explicit synchronization of streamable mappings. */ | ||
129 | extern void sbus_dma_sync_single_for_cpu(struct sbus_dev *, dma_addr_t, size_t, int); | ||
130 | #define sbus_dma_sync_single sbus_dma_sync_single_for_cpu | ||
131 | extern void sbus_dma_sync_single_for_device(struct sbus_dev *, dma_addr_t, size_t, int); | ||
132 | extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, int, int); | ||
133 | #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu | ||
134 | extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int); | ||
135 | |||
136 | /* Eric Brower (ebrower@usa.net) | ||
137 | * Translate SBus interrupt levels to ino values-- | ||
138 | * this is used when converting sbus "interrupts" OBP | ||
139 | * node values to "intr" node values, and is platform | ||
140 | * dependent. If only we could call OBP with | ||
141 | * "sbus-intr>cpu (sbint -- ino)" from kernel... | ||
142 | * See .../drivers/sbus/sbus.c for details. | ||
143 | */ | ||
144 | BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int) | ||
145 | #define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint) | ||
146 | |||
147 | extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); | ||
148 | extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); | ||
149 | extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); | ||
150 | extern int sbus_arch_preinit(void); | ||
151 | extern void sbus_arch_postinit(void); | ||
152 | |||
153 | #endif /* !(_SPARC_SBUS_H) */ | ||
diff --git a/include/asm-sparc/sbus_64.h b/include/asm-sparc/sbus_64.h new file mode 100644 index 000000000000..0e16b6dd7e96 --- /dev/null +++ b/include/asm-sparc/sbus_64.h | |||
@@ -0,0 +1,190 @@ | |||
1 | /* sbus.h: Defines for the Sun SBus. | ||
2 | * | ||
3 | * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_SBUS_H | ||
7 | #define _SPARC64_SBUS_H | ||
8 | |||
9 | #include <linux/dma-mapping.h> | ||
10 | #include <linux/ioport.h> | ||
11 | |||
12 | #include <asm/oplib.h> | ||
13 | #include <asm/prom.h> | ||
14 | #include <asm/of_device.h> | ||
15 | #include <asm/iommu.h> | ||
16 | #include <asm/scatterlist.h> | ||
17 | |||
18 | /* We scan which devices are on the SBus using the PROM node device | ||
19 | * tree. SBus devices are described in two different ways. You can | ||
20 | * either get an absolute address at which to access the device, or | ||
21 | * you can get a SBus 'slot' number and an offset within that slot. | ||
22 | */ | ||
23 | |||
24 | /* The base address at which to calculate device OBIO addresses. */ | ||
25 | #define SUN_SBUS_BVADDR 0x00000000 | ||
26 | #define SBUS_OFF_MASK 0x0fffffff | ||
27 | |||
28 | /* These routines are used to calculate device address from slot | ||
29 | * numbers + offsets, and vice versa. | ||
30 | */ | ||
31 | |||
32 | static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) | ||
33 | { | ||
34 | return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<28)+(offset)); | ||
35 | } | ||
36 | |||
37 | static inline int sbus_dev_slot(unsigned long dev_addr) | ||
38 | { | ||
39 | return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>28); | ||
40 | } | ||
41 | |||
42 | struct sbus_bus; | ||
43 | |||
44 | /* Linux SBUS device tables */ | ||
45 | struct sbus_dev { | ||
46 | struct of_device ofdev; | ||
47 | struct sbus_bus *bus; | ||
48 | struct sbus_dev *next; | ||
49 | struct sbus_dev *child; | ||
50 | struct sbus_dev *parent; | ||
51 | int prom_node; | ||
52 | char prom_name[64]; | ||
53 | int slot; | ||
54 | |||
55 | struct resource resource[PROMREG_MAX]; | ||
56 | |||
57 | struct linux_prom_registers reg_addrs[PROMREG_MAX]; | ||
58 | int num_registers; | ||
59 | |||
60 | struct linux_prom_ranges device_ranges[PROMREG_MAX]; | ||
61 | int num_device_ranges; | ||
62 | |||
63 | unsigned int irqs[4]; | ||
64 | int num_irqs; | ||
65 | }; | ||
66 | #define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) | ||
67 | |||
68 | /* This struct describes the SBus(s) found on this machine. */ | ||
69 | struct sbus_bus { | ||
70 | struct of_device ofdev; | ||
71 | struct sbus_dev *devices; /* Tree of SBUS devices */ | ||
72 | struct sbus_bus *next; /* Next SBUS in system */ | ||
73 | int prom_node; /* OBP node of SBUS */ | ||
74 | char prom_name[64]; /* Usually "sbus" or "sbi" */ | ||
75 | int clock_freq; | ||
76 | |||
77 | struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; | ||
78 | int num_sbus_ranges; | ||
79 | |||
80 | int portid; | ||
81 | }; | ||
82 | #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) | ||
83 | |||
84 | extern struct sbus_bus *sbus_root; | ||
85 | |||
86 | /* Device probing routines could find these handy */ | ||
87 | #define for_each_sbus(bus) \ | ||
88 | for((bus) = sbus_root; (bus); (bus)=(bus)->next) | ||
89 | |||
90 | #define for_each_sbusdev(device, bus) \ | ||
91 | for((device) = (bus)->devices; (device); (device)=(device)->next) | ||
92 | |||
93 | #define for_all_sbusdev(device, bus) \ | ||
94 | for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ | ||
95 | for ((device) = (bus)->devices; (device); (device) = (device)->next) | ||
96 | |||
97 | /* Driver DVMA interfaces. */ | ||
98 | #define sbus_can_dma_64bit(sdev) (1) | ||
99 | #define sbus_can_burst64(sdev) (1) | ||
100 | extern void sbus_set_sbus64(struct sbus_dev *, int); | ||
101 | extern void sbus_fill_device_irq(struct sbus_dev *); | ||
102 | |||
103 | static inline void *sbus_alloc_consistent(struct sbus_dev *sdev , size_t size, | ||
104 | dma_addr_t *dma_handle) | ||
105 | { | ||
106 | return dma_alloc_coherent(&sdev->ofdev.dev, size, | ||
107 | dma_handle, GFP_ATOMIC); | ||
108 | } | ||
109 | |||
110 | static inline void sbus_free_consistent(struct sbus_dev *sdev, size_t size, | ||
111 | void *vaddr, dma_addr_t dma_handle) | ||
112 | { | ||
113 | return dma_free_coherent(&sdev->ofdev.dev, size, vaddr, dma_handle); | ||
114 | } | ||
115 | |||
116 | #define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL | ||
117 | #define SBUS_DMA_TODEVICE DMA_TO_DEVICE | ||
118 | #define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE | ||
119 | #define SBUS_DMA_NONE DMA_NONE | ||
120 | |||
121 | /* All the rest use streaming mode mappings. */ | ||
122 | static inline dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *ptr, | ||
123 | size_t size, int direction) | ||
124 | { | ||
125 | return dma_map_single(&sdev->ofdev.dev, ptr, size, | ||
126 | (enum dma_data_direction) direction); | ||
127 | } | ||
128 | |||
129 | static inline void sbus_unmap_single(struct sbus_dev *sdev, | ||
130 | dma_addr_t dma_addr, size_t size, | ||
131 | int direction) | ||
132 | { | ||
133 | dma_unmap_single(&sdev->ofdev.dev, dma_addr, size, | ||
134 | (enum dma_data_direction) direction); | ||
135 | } | ||
136 | |||
137 | static inline int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, | ||
138 | int nents, int direction) | ||
139 | { | ||
140 | return dma_map_sg(&sdev->ofdev.dev, sg, nents, | ||
141 | (enum dma_data_direction) direction); | ||
142 | } | ||
143 | |||
144 | static inline void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, | ||
145 | int nents, int direction) | ||
146 | { | ||
147 | dma_unmap_sg(&sdev->ofdev.dev, sg, nents, | ||
148 | (enum dma_data_direction) direction); | ||
149 | } | ||
150 | |||
151 | /* Finally, allow explicit synchronization of streamable mappings. */ | ||
152 | static inline void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, | ||
153 | dma_addr_t dma_handle, | ||
154 | size_t size, int direction) | ||
155 | { | ||
156 | dma_sync_single_for_cpu(&sdev->ofdev.dev, dma_handle, size, | ||
157 | (enum dma_data_direction) direction); | ||
158 | } | ||
159 | #define sbus_dma_sync_single sbus_dma_sync_single_for_cpu | ||
160 | |||
161 | static inline void sbus_dma_sync_single_for_device(struct sbus_dev *sdev, | ||
162 | dma_addr_t dma_handle, | ||
163 | size_t size, int direction) | ||
164 | { | ||
165 | /* No flushing needed to sync cpu writes to the device. */ | ||
166 | } | ||
167 | |||
168 | static inline void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, | ||
169 | struct scatterlist *sg, | ||
170 | int nents, int direction) | ||
171 | { | ||
172 | dma_sync_sg_for_cpu(&sdev->ofdev.dev, sg, nents, | ||
173 | (enum dma_data_direction) direction); | ||
174 | } | ||
175 | #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu | ||
176 | |||
177 | static inline void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, | ||
178 | struct scatterlist *sg, | ||
179 | int nents, int direction) | ||
180 | { | ||
181 | /* No flushing needed to sync cpu writes to the device. */ | ||
182 | } | ||
183 | |||
184 | extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); | ||
185 | extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); | ||
186 | extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); | ||
187 | extern int sbus_arch_preinit(void); | ||
188 | extern void sbus_arch_postinit(void); | ||
189 | |||
190 | #endif /* !(_SPARC64_SBUS_H) */ | ||
diff --git a/include/asm-sparc/scatterlist.h b/include/asm-sparc/scatterlist.h index c82609ca1d0f..b1a0e316c2b6 100644 --- a/include/asm-sparc/scatterlist.h +++ b/include/asm-sparc/scatterlist.h | |||
@@ -1,26 +1,8 @@ | |||
1 | #ifndef _SPARC_SCATTERLIST_H | 1 | #ifndef ___ASM_SPARC_SCATTERLIST_H |
2 | #define _SPARC_SCATTERLIST_H | 2 | #define ___ASM_SPARC_SCATTERLIST_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/types.h> | 4 | #include <asm-sparc/scatterlist_64.h> |
5 | 5 | #else | |
6 | struct scatterlist { | 6 | #include <asm-sparc/scatterlist_32.h> |
7 | #ifdef CONFIG_DEBUG_SG | 7 | #endif |
8 | unsigned long sg_magic; | ||
9 | #endif | 8 | #endif |
10 | unsigned long page_link; | ||
11 | unsigned int offset; | ||
12 | |||
13 | unsigned int length; | ||
14 | |||
15 | __u32 dvma_address; /* A place to hang host-specific addresses at. */ | ||
16 | __u32 dvma_length; | ||
17 | }; | ||
18 | |||
19 | #define sg_dma_address(sg) ((sg)->dvma_address) | ||
20 | #define sg_dma_len(sg) ((sg)->dvma_length) | ||
21 | |||
22 | #define ISA_DMA_THRESHOLD (~0UL) | ||
23 | |||
24 | #define ARCH_HAS_SG_CHAIN | ||
25 | |||
26 | #endif /* !(_SPARC_SCATTERLIST_H) */ | ||
diff --git a/include/asm-sparc/scatterlist_32.h b/include/asm-sparc/scatterlist_32.h new file mode 100644 index 000000000000..c82609ca1d0f --- /dev/null +++ b/include/asm-sparc/scatterlist_32.h | |||
@@ -0,0 +1,26 @@ | |||
1 | #ifndef _SPARC_SCATTERLIST_H | ||
2 | #define _SPARC_SCATTERLIST_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | struct scatterlist { | ||
7 | #ifdef CONFIG_DEBUG_SG | ||
8 | unsigned long sg_magic; | ||
9 | #endif | ||
10 | unsigned long page_link; | ||
11 | unsigned int offset; | ||
12 | |||
13 | unsigned int length; | ||
14 | |||
15 | __u32 dvma_address; /* A place to hang host-specific addresses at. */ | ||
16 | __u32 dvma_length; | ||
17 | }; | ||
18 | |||
19 | #define sg_dma_address(sg) ((sg)->dvma_address) | ||
20 | #define sg_dma_len(sg) ((sg)->dvma_length) | ||
21 | |||
22 | #define ISA_DMA_THRESHOLD (~0UL) | ||
23 | |||
24 | #define ARCH_HAS_SG_CHAIN | ||
25 | |||
26 | #endif /* !(_SPARC_SCATTERLIST_H) */ | ||
diff --git a/include/asm-sparc/scatterlist_64.h b/include/asm-sparc/scatterlist_64.h new file mode 100644 index 000000000000..81bd058f9382 --- /dev/null +++ b/include/asm-sparc/scatterlist_64.h | |||
@@ -0,0 +1,27 @@ | |||
1 | #ifndef _SPARC64_SCATTERLIST_H | ||
2 | #define _SPARC64_SCATTERLIST_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | #include <asm/types.h> | ||
6 | |||
7 | struct scatterlist { | ||
8 | #ifdef CONFIG_DEBUG_SG | ||
9 | unsigned long sg_magic; | ||
10 | #endif | ||
11 | unsigned long page_link; | ||
12 | unsigned int offset; | ||
13 | |||
14 | unsigned int length; | ||
15 | |||
16 | dma_addr_t dma_address; | ||
17 | __u32 dma_length; | ||
18 | }; | ||
19 | |||
20 | #define sg_dma_address(sg) ((sg)->dma_address) | ||
21 | #define sg_dma_len(sg) ((sg)->dma_length) | ||
22 | |||
23 | #define ISA_DMA_THRESHOLD (~0UL) | ||
24 | |||
25 | #define ARCH_HAS_SG_CHAIN | ||
26 | |||
27 | #endif /* !(_SPARC64_SCATTERLIST_H) */ | ||
diff --git a/include/asm-sparc/sections.h b/include/asm-sparc/sections.h index 6832841df051..cbd019162425 100644 --- a/include/asm-sparc/sections.h +++ b/include/asm-sparc/sections.h | |||
@@ -1,6 +1,8 @@ | |||
1 | #ifndef _SPARC_SECTIONS_H | 1 | #ifndef ___ASM_SPARC_SECTIONS_H |
2 | #define _SPARC_SECTIONS_H | 2 | #define ___ASM_SPARC_SECTIONS_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm-generic/sections.h> | 4 | #include <asm-sparc/sections_64.h> |
5 | 5 | #else | |
6 | #include <asm-sparc/sections_32.h> | ||
7 | #endif | ||
6 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/sections_32.h b/include/asm-sparc/sections_32.h new file mode 100644 index 000000000000..6832841df051 --- /dev/null +++ b/include/asm-sparc/sections_32.h | |||
@@ -0,0 +1,6 @@ | |||
1 | #ifndef _SPARC_SECTIONS_H | ||
2 | #define _SPARC_SECTIONS_H | ||
3 | |||
4 | #include <asm-generic/sections.h> | ||
5 | |||
6 | #endif | ||
diff --git a/include/asm-sparc/sections_64.h b/include/asm-sparc/sections_64.h new file mode 100644 index 000000000000..3f4b9fdc28d0 --- /dev/null +++ b/include/asm-sparc/sections_64.h | |||
@@ -0,0 +1,9 @@ | |||
1 | #ifndef _SPARC64_SECTIONS_H | ||
2 | #define _SPARC64_SECTIONS_H | ||
3 | |||
4 | /* nothing to see, move along */ | ||
5 | #include <asm-generic/sections.h> | ||
6 | |||
7 | extern char _start[]; | ||
8 | |||
9 | #endif | ||
diff --git a/include/asm-sparc/sfp-machine.h b/include/asm-sparc/sfp-machine.h index 266a42b8f99f..c676fcc2dd27 100644 --- a/include/asm-sparc/sfp-machine.h +++ b/include/asm-sparc/sfp-machine.h | |||
@@ -1,212 +1,8 @@ | |||
1 | /* Machine-dependent software floating-point definitions. | 1 | #ifndef ___ASM_SPARC_SFP_MACHINE_H |
2 | Sparc userland (_Q_*) version. | 2 | #define ___ASM_SPARC_SFP_MACHINE_H |
3 | Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | This file is part of the GNU C Library. | 4 | #include <asm-sparc/sfp-machine_64.h> |
5 | Contributed by Richard Henderson (rth@cygnus.com), | ||
6 | Jakub Jelinek (jj@ultra.linux.cz), | ||
7 | David S. Miller (davem@redhat.com) and | ||
8 | Peter Maydell (pmaydell@chiark.greenend.org.uk). | ||
9 | |||
10 | The GNU C Library is free software; you can redistribute it and/or | ||
11 | modify it under the terms of the GNU Library General Public License as | ||
12 | published by the Free Software Foundation; either version 2 of the | ||
13 | License, or (at your option) any later version. | ||
14 | |||
15 | The GNU C Library is distributed in the hope that it will be useful, | ||
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
18 | Library General Public License for more details. | ||
19 | |||
20 | You should have received a copy of the GNU Library General Public | ||
21 | License along with the GNU C Library; see the file COPYING.LIB. If | ||
22 | not, write to the Free Software Foundation, Inc., | ||
23 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | ||
24 | |||
25 | #ifndef _SFP_MACHINE_H | ||
26 | #define _SFP_MACHINE_H | ||
27 | |||
28 | |||
29 | #define _FP_W_TYPE_SIZE 32 | ||
30 | #define _FP_W_TYPE unsigned long | ||
31 | #define _FP_WS_TYPE signed long | ||
32 | #define _FP_I_TYPE long | ||
33 | |||
34 | #define _FP_MUL_MEAT_S(R,X,Y) \ | ||
35 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) | ||
36 | #define _FP_MUL_MEAT_D(R,X,Y) \ | ||
37 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | ||
38 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | ||
39 | _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | ||
40 | |||
41 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) | ||
42 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) | ||
43 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) | ||
44 | |||
45 | #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | ||
46 | #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 | ||
47 | #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 | ||
48 | #define _FP_NANSIGN_S 0 | ||
49 | #define _FP_NANSIGN_D 0 | ||
50 | #define _FP_NANSIGN_Q 0 | ||
51 | |||
52 | #define _FP_KEEPNANFRACP 1 | ||
53 | |||
54 | /* If one NaN is signaling and the other is not, | ||
55 | * we choose that one, otherwise we choose X. | ||
56 | */ | ||
57 | /* For _Qp_* and _Q_*, this should prefer X, for | ||
58 | * CPU instruction emulation this should prefer Y. | ||
59 | * (see SPAMv9 B.2.2 section). | ||
60 | */ | ||
61 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | ||
62 | do { \ | ||
63 | if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ | ||
64 | && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ | ||
65 | { \ | ||
66 | R##_s = X##_s; \ | ||
67 | _FP_FRAC_COPY_##wc(R,X); \ | ||
68 | } \ | ||
69 | else \ | ||
70 | { \ | ||
71 | R##_s = Y##_s; \ | ||
72 | _FP_FRAC_COPY_##wc(R,Y); \ | ||
73 | } \ | ||
74 | R##_c = FP_CLS_NAN; \ | ||
75 | } while (0) | ||
76 | |||
77 | /* Some assembly to speed things up. */ | ||
78 | #define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ | ||
79 | __asm__ ("addcc %r7,%8,%2\n\t" \ | ||
80 | "addxcc %r5,%6,%1\n\t" \ | ||
81 | "addx %r3,%4,%0\n" \ | ||
82 | : "=r" ((USItype)(r2)), \ | ||
83 | "=&r" ((USItype)(r1)), \ | ||
84 | "=&r" ((USItype)(r0)) \ | ||
85 | : "%rJ" ((USItype)(x2)), \ | ||
86 | "rI" ((USItype)(y2)), \ | ||
87 | "%rJ" ((USItype)(x1)), \ | ||
88 | "rI" ((USItype)(y1)), \ | ||
89 | "%rJ" ((USItype)(x0)), \ | ||
90 | "rI" ((USItype)(y0)) \ | ||
91 | : "cc") | ||
92 | |||
93 | #define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ | ||
94 | __asm__ ("subcc %r7,%8,%2\n\t" \ | ||
95 | "subxcc %r5,%6,%1\n\t" \ | ||
96 | "subx %r3,%4,%0\n" \ | ||
97 | : "=r" ((USItype)(r2)), \ | ||
98 | "=&r" ((USItype)(r1)), \ | ||
99 | "=&r" ((USItype)(r0)) \ | ||
100 | : "%rJ" ((USItype)(x2)), \ | ||
101 | "rI" ((USItype)(y2)), \ | ||
102 | "%rJ" ((USItype)(x1)), \ | ||
103 | "rI" ((USItype)(y1)), \ | ||
104 | "%rJ" ((USItype)(x0)), \ | ||
105 | "rI" ((USItype)(y0)) \ | ||
106 | : "cc") | ||
107 | |||
108 | #define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ | ||
109 | do { \ | ||
110 | /* We need to fool gcc, as we need to pass more than 10 \ | ||
111 | input/outputs. */ \ | ||
112 | register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ | ||
113 | __asm__ __volatile__ ( \ | ||
114 | "addcc %r8,%9,%1\n\t" \ | ||
115 | "addxcc %r6,%7,%0\n\t" \ | ||
116 | "addxcc %r4,%5,%%g2\n\t" \ | ||
117 | "addx %r2,%3,%%g1\n\t" \ | ||
118 | : "=&r" ((USItype)(r1)), \ | ||
119 | "=&r" ((USItype)(r0)) \ | ||
120 | : "%rJ" ((USItype)(x3)), \ | ||
121 | "rI" ((USItype)(y3)), \ | ||
122 | "%rJ" ((USItype)(x2)), \ | ||
123 | "rI" ((USItype)(y2)), \ | ||
124 | "%rJ" ((USItype)(x1)), \ | ||
125 | "rI" ((USItype)(y1)), \ | ||
126 | "%rJ" ((USItype)(x0)), \ | ||
127 | "rI" ((USItype)(y0)) \ | ||
128 | : "cc", "g1", "g2"); \ | ||
129 | __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ | ||
130 | r3 = _t1; r2 = _t2; \ | ||
131 | } while (0) | ||
132 | |||
133 | #define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ | ||
134 | do { \ | ||
135 | /* We need to fool gcc, as we need to pass more than 10 \ | ||
136 | input/outputs. */ \ | ||
137 | register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ | ||
138 | __asm__ __volatile__ ( \ | ||
139 | "subcc %r8,%9,%1\n\t" \ | ||
140 | "subxcc %r6,%7,%0\n\t" \ | ||
141 | "subxcc %r4,%5,%%g2\n\t" \ | ||
142 | "subx %r2,%3,%%g1\n\t" \ | ||
143 | : "=&r" ((USItype)(r1)), \ | ||
144 | "=&r" ((USItype)(r0)) \ | ||
145 | : "%rJ" ((USItype)(x3)), \ | ||
146 | "rI" ((USItype)(y3)), \ | ||
147 | "%rJ" ((USItype)(x2)), \ | ||
148 | "rI" ((USItype)(y2)), \ | ||
149 | "%rJ" ((USItype)(x1)), \ | ||
150 | "rI" ((USItype)(y1)), \ | ||
151 | "%rJ" ((USItype)(x0)), \ | ||
152 | "rI" ((USItype)(y0)) \ | ||
153 | : "cc", "g1", "g2"); \ | ||
154 | __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ | ||
155 | r3 = _t1; r2 = _t2; \ | ||
156 | } while (0) | ||
157 | |||
158 | #define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0) | ||
159 | |||
160 | #define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) __FP_FRAC_SUB_4(x3,x2,x1,x0,x3,x2,x1,x0,y3,y2,y1,y0) | ||
161 | |||
162 | #define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \ | ||
163 | __asm__ ("addcc %3,%4,%3\n\t" \ | ||
164 | "addxcc %2,%%g0,%2\n\t" \ | ||
165 | "addxcc %1,%%g0,%1\n\t" \ | ||
166 | "addx %0,%%g0,%0\n\t" \ | ||
167 | : "=&r" ((USItype)(x3)), \ | ||
168 | "=&r" ((USItype)(x2)), \ | ||
169 | "=&r" ((USItype)(x1)), \ | ||
170 | "=&r" ((USItype)(x0)) \ | ||
171 | : "rI" ((USItype)(i)), \ | ||
172 | "0" ((USItype)(x3)), \ | ||
173 | "1" ((USItype)(x2)), \ | ||
174 | "2" ((USItype)(x1)), \ | ||
175 | "3" ((USItype)(x0)) \ | ||
176 | : "cc") | ||
177 | |||
178 | #ifndef CONFIG_SMP | ||
179 | extern struct task_struct *last_task_used_math; | ||
180 | #endif | ||
181 | |||
182 | /* Obtain the current rounding mode. */ | ||
183 | #ifndef FP_ROUNDMODE | ||
184 | #ifdef CONFIG_SMP | ||
185 | #define FP_ROUNDMODE ((current->thread.fsr >> 30) & 0x3) | ||
186 | #else | ||
187 | #define FP_ROUNDMODE ((last_task_used_math->thread.fsr >> 30) & 0x3) | ||
188 | #endif | ||
189 | #endif | ||
190 | |||
191 | /* Exception flags. */ | ||
192 | #define FP_EX_INVALID (1 << 4) | ||
193 | #define FP_EX_OVERFLOW (1 << 3) | ||
194 | #define FP_EX_UNDERFLOW (1 << 2) | ||
195 | #define FP_EX_DIVZERO (1 << 1) | ||
196 | #define FP_EX_INEXACT (1 << 0) | ||
197 | |||
198 | #define FP_HANDLE_EXCEPTIONS return _fex | ||
199 | |||
200 | #ifdef CONFIG_SMP | ||
201 | #define FP_INHIBIT_RESULTS ((current->thread.fsr >> 23) & _fex) | ||
202 | #else | ||
203 | #define FP_INHIBIT_RESULTS ((last_task_used_math->thread.fsr >> 23) & _fex) | ||
204 | #endif | ||
205 | |||
206 | #ifdef CONFIG_SMP | ||
207 | #define FP_TRAPPING_EXCEPTIONS ((current->thread.fsr >> 23) & 0x1f) | ||
208 | #else | 5 | #else |
209 | #define FP_TRAPPING_EXCEPTIONS ((last_task_used_math->thread.fsr >> 23) & 0x1f) | 6 | #include <asm-sparc/sfp-machine_32.h> |
210 | #endif | 7 | #endif |
211 | |||
212 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/sfp-machine_32.h b/include/asm-sparc/sfp-machine_32.h new file mode 100644 index 000000000000..01d9c3b5a73b --- /dev/null +++ b/include/asm-sparc/sfp-machine_32.h | |||
@@ -0,0 +1,212 @@ | |||
1 | /* Machine-dependent software floating-point definitions. | ||
2 | Sparc userland (_Q_*) version. | ||
3 | Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. | ||
4 | This file is part of the GNU C Library. | ||
5 | Contributed by Richard Henderson (rth@cygnus.com), | ||
6 | Jakub Jelinek (jj@ultra.linux.cz), | ||
7 | David S. Miller (davem@redhat.com) and | ||
8 | Peter Maydell (pmaydell@chiark.greenend.org.uk). | ||
9 | |||
10 | The GNU C Library is free software; you can redistribute it and/or | ||
11 | modify it under the terms of the GNU Library General Public License as | ||
12 | published by the Free Software Foundation; either version 2 of the | ||
13 | License, or (at your option) any later version. | ||
14 | |||
15 | The GNU C Library is distributed in the hope that it will be useful, | ||
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
18 | Library General Public License for more details. | ||
19 | |||
20 | You should have received a copy of the GNU Library General Public | ||
21 | License along with the GNU C Library; see the file COPYING.LIB. If | ||
22 | not, write to the Free Software Foundation, Inc., | ||
23 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | ||
24 | |||
25 | #ifndef _SFP_MACHINE_H | ||
26 | #define _SFP_MACHINE_H | ||
27 | |||
28 | |||
29 | #define _FP_W_TYPE_SIZE 32 | ||
30 | #define _FP_W_TYPE unsigned long | ||
31 | #define _FP_WS_TYPE signed long | ||
32 | #define _FP_I_TYPE long | ||
33 | |||
34 | #define _FP_MUL_MEAT_S(R,X,Y) \ | ||
35 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) | ||
36 | #define _FP_MUL_MEAT_D(R,X,Y) \ | ||
37 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | ||
38 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | ||
39 | _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | ||
40 | |||
41 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) | ||
42 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) | ||
43 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) | ||
44 | |||
45 | #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | ||
46 | #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 | ||
47 | #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 | ||
48 | #define _FP_NANSIGN_S 0 | ||
49 | #define _FP_NANSIGN_D 0 | ||
50 | #define _FP_NANSIGN_Q 0 | ||
51 | |||
52 | #define _FP_KEEPNANFRACP 1 | ||
53 | |||
54 | /* If one NaN is signaling and the other is not, | ||
55 | * we choose that one, otherwise we choose X. | ||
56 | */ | ||
57 | /* For _Qp_* and _Q_*, this should prefer X, for | ||
58 | * CPU instruction emulation this should prefer Y. | ||
59 | * (see SPAMv9 B.2.2 section). | ||
60 | */ | ||
61 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | ||
62 | do { \ | ||
63 | if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ | ||
64 | && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ | ||
65 | { \ | ||
66 | R##_s = X##_s; \ | ||
67 | _FP_FRAC_COPY_##wc(R,X); \ | ||
68 | } \ | ||
69 | else \ | ||
70 | { \ | ||
71 | R##_s = Y##_s; \ | ||
72 | _FP_FRAC_COPY_##wc(R,Y); \ | ||
73 | } \ | ||
74 | R##_c = FP_CLS_NAN; \ | ||
75 | } while (0) | ||
76 | |||
77 | /* Some assembly to speed things up. */ | ||
78 | #define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ | ||
79 | __asm__ ("addcc %r7,%8,%2\n\t" \ | ||
80 | "addxcc %r5,%6,%1\n\t" \ | ||
81 | "addx %r3,%4,%0\n" \ | ||
82 | : "=r" ((USItype)(r2)), \ | ||
83 | "=&r" ((USItype)(r1)), \ | ||
84 | "=&r" ((USItype)(r0)) \ | ||
85 | : "%rJ" ((USItype)(x2)), \ | ||
86 | "rI" ((USItype)(y2)), \ | ||
87 | "%rJ" ((USItype)(x1)), \ | ||
88 | "rI" ((USItype)(y1)), \ | ||
89 | "%rJ" ((USItype)(x0)), \ | ||
90 | "rI" ((USItype)(y0)) \ | ||
91 | : "cc") | ||
92 | |||
93 | #define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ | ||
94 | __asm__ ("subcc %r7,%8,%2\n\t" \ | ||
95 | "subxcc %r5,%6,%1\n\t" \ | ||
96 | "subx %r3,%4,%0\n" \ | ||
97 | : "=r" ((USItype)(r2)), \ | ||
98 | "=&r" ((USItype)(r1)), \ | ||
99 | "=&r" ((USItype)(r0)) \ | ||
100 | : "%rJ" ((USItype)(x2)), \ | ||
101 | "rI" ((USItype)(y2)), \ | ||
102 | "%rJ" ((USItype)(x1)), \ | ||
103 | "rI" ((USItype)(y1)), \ | ||
104 | "%rJ" ((USItype)(x0)), \ | ||
105 | "rI" ((USItype)(y0)) \ | ||
106 | : "cc") | ||
107 | |||
108 | #define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ | ||
109 | do { \ | ||
110 | /* We need to fool gcc, as we need to pass more than 10 \ | ||
111 | input/outputs. */ \ | ||
112 | register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ | ||
113 | __asm__ __volatile__ ( \ | ||
114 | "addcc %r8,%9,%1\n\t" \ | ||
115 | "addxcc %r6,%7,%0\n\t" \ | ||
116 | "addxcc %r4,%5,%%g2\n\t" \ | ||
117 | "addx %r2,%3,%%g1\n\t" \ | ||
118 | : "=&r" ((USItype)(r1)), \ | ||
119 | "=&r" ((USItype)(r0)) \ | ||
120 | : "%rJ" ((USItype)(x3)), \ | ||
121 | "rI" ((USItype)(y3)), \ | ||
122 | "%rJ" ((USItype)(x2)), \ | ||
123 | "rI" ((USItype)(y2)), \ | ||
124 | "%rJ" ((USItype)(x1)), \ | ||
125 | "rI" ((USItype)(y1)), \ | ||
126 | "%rJ" ((USItype)(x0)), \ | ||
127 | "rI" ((USItype)(y0)) \ | ||
128 | : "cc", "g1", "g2"); \ | ||
129 | __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ | ||
130 | r3 = _t1; r2 = _t2; \ | ||
131 | } while (0) | ||
132 | |||
133 | #define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ | ||
134 | do { \ | ||
135 | /* We need to fool gcc, as we need to pass more than 10 \ | ||
136 | input/outputs. */ \ | ||
137 | register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ | ||
138 | __asm__ __volatile__ ( \ | ||
139 | "subcc %r8,%9,%1\n\t" \ | ||
140 | "subxcc %r6,%7,%0\n\t" \ | ||
141 | "subxcc %r4,%5,%%g2\n\t" \ | ||
142 | "subx %r2,%3,%%g1\n\t" \ | ||
143 | : "=&r" ((USItype)(r1)), \ | ||
144 | "=&r" ((USItype)(r0)) \ | ||
145 | : "%rJ" ((USItype)(x3)), \ | ||
146 | "rI" ((USItype)(y3)), \ | ||
147 | "%rJ" ((USItype)(x2)), \ | ||
148 | "rI" ((USItype)(y2)), \ | ||
149 | "%rJ" ((USItype)(x1)), \ | ||
150 | "rI" ((USItype)(y1)), \ | ||
151 | "%rJ" ((USItype)(x0)), \ | ||
152 | "rI" ((USItype)(y0)) \ | ||
153 | : "cc", "g1", "g2"); \ | ||
154 | __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ | ||
155 | r3 = _t1; r2 = _t2; \ | ||
156 | } while (0) | ||
157 | |||
158 | #define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0) | ||
159 | |||
160 | #define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) __FP_FRAC_SUB_4(x3,x2,x1,x0,x3,x2,x1,x0,y3,y2,y1,y0) | ||
161 | |||
162 | #define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \ | ||
163 | __asm__ ("addcc %3,%4,%3\n\t" \ | ||
164 | "addxcc %2,%%g0,%2\n\t" \ | ||
165 | "addxcc %1,%%g0,%1\n\t" \ | ||
166 | "addx %0,%%g0,%0\n\t" \ | ||
167 | : "=&r" ((USItype)(x3)), \ | ||
168 | "=&r" ((USItype)(x2)), \ | ||
169 | "=&r" ((USItype)(x1)), \ | ||
170 | "=&r" ((USItype)(x0)) \ | ||
171 | : "rI" ((USItype)(i)), \ | ||
172 | "0" ((USItype)(x3)), \ | ||
173 | "1" ((USItype)(x2)), \ | ||
174 | "2" ((USItype)(x1)), \ | ||
175 | "3" ((USItype)(x0)) \ | ||
176 | : "cc") | ||
177 | |||
178 | #ifndef CONFIG_SMP | ||
179 | extern struct task_struct *last_task_used_math; | ||
180 | #endif | ||
181 | |||
182 | /* Obtain the current rounding mode. */ | ||
183 | #ifndef FP_ROUNDMODE | ||
184 | #ifdef CONFIG_SMP | ||
185 | #define FP_ROUNDMODE ((current->thread.fsr >> 30) & 0x3) | ||
186 | #else | ||
187 | #define FP_ROUNDMODE ((last_task_used_math->thread.fsr >> 30) & 0x3) | ||
188 | #endif | ||
189 | #endif | ||
190 | |||
191 | /* Exception flags. */ | ||
192 | #define FP_EX_INVALID (1 << 4) | ||
193 | #define FP_EX_OVERFLOW (1 << 3) | ||
194 | #define FP_EX_UNDERFLOW (1 << 2) | ||
195 | #define FP_EX_DIVZERO (1 << 1) | ||
196 | #define FP_EX_INEXACT (1 << 0) | ||
197 | |||
198 | #define FP_HANDLE_EXCEPTIONS return _fex | ||
199 | |||
200 | #ifdef CONFIG_SMP | ||
201 | #define FP_INHIBIT_RESULTS ((current->thread.fsr >> 23) & _fex) | ||
202 | #else | ||
203 | #define FP_INHIBIT_RESULTS ((last_task_used_math->thread.fsr >> 23) & _fex) | ||
204 | #endif | ||
205 | |||
206 | #ifdef CONFIG_SMP | ||
207 | #define FP_TRAPPING_EXCEPTIONS ((current->thread.fsr >> 23) & 0x1f) | ||
208 | #else | ||
209 | #define FP_TRAPPING_EXCEPTIONS ((last_task_used_math->thread.fsr >> 23) & 0x1f) | ||
210 | #endif | ||
211 | |||
212 | #endif | ||
diff --git a/include/asm-sparc/sfp-machine_64.h b/include/asm-sparc/sfp-machine_64.h new file mode 100644 index 000000000000..ca913ef40bd5 --- /dev/null +++ b/include/asm-sparc/sfp-machine_64.h | |||
@@ -0,0 +1,93 @@ | |||
1 | /* Machine-dependent software floating-point definitions. | ||
2 | Sparc64 kernel version. | ||
3 | Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. | ||
4 | This file is part of the GNU C Library. | ||
5 | Contributed by Richard Henderson (rth@cygnus.com), | ||
6 | Jakub Jelinek (jj@ultra.linux.cz) and | ||
7 | David S. Miller (davem@redhat.com). | ||
8 | |||
9 | The GNU C Library is free software; you can redistribute it and/or | ||
10 | modify it under the terms of the GNU Library General Public License as | ||
11 | published by the Free Software Foundation; either version 2 of the | ||
12 | License, or (at your option) any later version. | ||
13 | |||
14 | The GNU C Library is distributed in the hope that it will be useful, | ||
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | Library General Public License for more details. | ||
18 | |||
19 | You should have received a copy of the GNU Library General Public | ||
20 | License along with the GNU C Library; see the file COPYING.LIB. If | ||
21 | not, write to the Free Software Foundation, Inc., | ||
22 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | ||
23 | |||
24 | #ifndef _SFP_MACHINE_H | ||
25 | #define _SFP_MACHINE_H | ||
26 | |||
27 | #define _FP_W_TYPE_SIZE 64 | ||
28 | #define _FP_W_TYPE unsigned long | ||
29 | #define _FP_WS_TYPE signed long | ||
30 | #define _FP_I_TYPE long | ||
31 | |||
32 | #define _FP_MUL_MEAT_S(R,X,Y) \ | ||
33 | _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y) | ||
34 | #define _FP_MUL_MEAT_D(R,X,Y) \ | ||
35 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | ||
36 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | ||
37 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | ||
38 | |||
39 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) | ||
40 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y) | ||
41 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) | ||
42 | |||
43 | #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | ||
44 | #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1) | ||
45 | #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1 | ||
46 | #define _FP_NANSIGN_S 0 | ||
47 | #define _FP_NANSIGN_D 0 | ||
48 | #define _FP_NANSIGN_Q 0 | ||
49 | |||
50 | #define _FP_KEEPNANFRACP 1 | ||
51 | |||
52 | /* If one NaN is signaling and the other is not, | ||
53 | * we choose that one, otherwise we choose X. | ||
54 | */ | ||
55 | /* For _Qp_* and _Q_*, this should prefer X, for | ||
56 | * CPU instruction emulation this should prefer Y. | ||
57 | * (see SPAMv9 B.2.2 section). | ||
58 | */ | ||
59 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | ||
60 | do { \ | ||
61 | if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ | ||
62 | && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ | ||
63 | { \ | ||
64 | R##_s = X##_s; \ | ||
65 | _FP_FRAC_COPY_##wc(R,X); \ | ||
66 | } \ | ||
67 | else \ | ||
68 | { \ | ||
69 | R##_s = Y##_s; \ | ||
70 | _FP_FRAC_COPY_##wc(R,Y); \ | ||
71 | } \ | ||
72 | R##_c = FP_CLS_NAN; \ | ||
73 | } while (0) | ||
74 | |||
75 | /* Obtain the current rounding mode. */ | ||
76 | #ifndef FP_ROUNDMODE | ||
77 | #define FP_ROUNDMODE ((current_thread_info()->xfsr[0] >> 30) & 0x3) | ||
78 | #endif | ||
79 | |||
80 | /* Exception flags. */ | ||
81 | #define FP_EX_INVALID (1 << 4) | ||
82 | #define FP_EX_OVERFLOW (1 << 3) | ||
83 | #define FP_EX_UNDERFLOW (1 << 2) | ||
84 | #define FP_EX_DIVZERO (1 << 1) | ||
85 | #define FP_EX_INEXACT (1 << 0) | ||
86 | |||
87 | #define FP_HANDLE_EXCEPTIONS return _fex | ||
88 | |||
89 | #define FP_INHIBIT_RESULTS ((current_thread_info()->xfsr[0] >> 23) & _fex) | ||
90 | |||
91 | #define FP_TRAPPING_EXCEPTIONS ((current_thread_info()->xfsr[0] >> 23) & 0x1f) | ||
92 | |||
93 | #endif | ||
diff --git a/include/asm-sparc/shmparam.h b/include/asm-sparc/shmparam.h index 59a1243c12f3..16fda7e9acc8 100644 --- a/include/asm-sparc/shmparam.h +++ b/include/asm-sparc/shmparam.h | |||
@@ -1,11 +1,8 @@ | |||
1 | #ifndef _ASMSPARC_SHMPARAM_H | 1 | #ifndef ___ASM_SPARC_SHMPARAM_H |
2 | #define _ASMSPARC_SHMPARAM_H | 2 | #define ___ASM_SPARC_SHMPARAM_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #define __ARCH_FORCE_SHMLBA 1 | 4 | #include <asm-sparc/shmparam_64.h> |
5 | 5 | #else | |
6 | extern int vac_cache_size; | 6 | #include <asm-sparc/shmparam_32.h> |
7 | #define SHMLBA (vac_cache_size ? vac_cache_size : \ | 7 | #endif |
8 | (sparc_cpu_model == sun4c ? (64 * 1024) : \ | 8 | #endif |
9 | (sparc_cpu_model == sun4 ? (128 * 1024) : PAGE_SIZE))) | ||
10 | |||
11 | #endif /* _ASMSPARC_SHMPARAM_H */ | ||
diff --git a/include/asm-sparc/shmparam_32.h b/include/asm-sparc/shmparam_32.h new file mode 100644 index 000000000000..59a1243c12f3 --- /dev/null +++ b/include/asm-sparc/shmparam_32.h | |||
@@ -0,0 +1,11 @@ | |||
1 | #ifndef _ASMSPARC_SHMPARAM_H | ||
2 | #define _ASMSPARC_SHMPARAM_H | ||
3 | |||
4 | #define __ARCH_FORCE_SHMLBA 1 | ||
5 | |||
6 | extern int vac_cache_size; | ||
7 | #define SHMLBA (vac_cache_size ? vac_cache_size : \ | ||
8 | (sparc_cpu_model == sun4c ? (64 * 1024) : \ | ||
9 | (sparc_cpu_model == sun4 ? (128 * 1024) : PAGE_SIZE))) | ||
10 | |||
11 | #endif /* _ASMSPARC_SHMPARAM_H */ | ||
diff --git a/include/asm-sparc/shmparam_64.h b/include/asm-sparc/shmparam_64.h new file mode 100644 index 000000000000..1ed0d6701a9b --- /dev/null +++ b/include/asm-sparc/shmparam_64.h | |||
@@ -0,0 +1,10 @@ | |||
1 | #ifndef _ASMSPARC64_SHMPARAM_H | ||
2 | #define _ASMSPARC64_SHMPARAM_H | ||
3 | |||
4 | #include <asm/spitfire.h> | ||
5 | |||
6 | #define __ARCH_FORCE_SHMLBA 1 | ||
7 | /* attach addr a multiple of this */ | ||
8 | #define SHMLBA ((PAGE_SIZE > L1DCACHE_SIZE) ? PAGE_SIZE : L1DCACHE_SIZE) | ||
9 | |||
10 | #endif /* _ASMSPARC64_SHMPARAM_H */ | ||
diff --git a/include/asm-sparc/sigcontext.h b/include/asm-sparc/sigcontext.h index c5fb60dcbd75..82fc7d54a4fa 100644 --- a/include/asm-sparc/sigcontext.h +++ b/include/asm-sparc/sigcontext.h | |||
@@ -1,62 +1,8 @@ | |||
1 | #ifndef __SPARC_SIGCONTEXT_H | 1 | #ifndef ___ASM_SPARC_SIGCONTEXT_H |
2 | #define __SPARC_SIGCONTEXT_H | 2 | #define ___ASM_SPARC_SIGCONTEXT_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #ifdef __KERNEL__ | 4 | #include <asm-sparc/sigcontext_64.h> |
5 | #include <asm/ptrace.h> | 5 | #else |
6 | 6 | #include <asm-sparc/sigcontext_32.h> | |
7 | #ifndef __ASSEMBLY__ | 7 | #endif |
8 | 8 | #endif | |
9 | #define __SUNOS_MAXWIN 31 | ||
10 | |||
11 | /* This is what SunOS does, so shall I. */ | ||
12 | struct sigcontext { | ||
13 | int sigc_onstack; /* state to restore */ | ||
14 | int sigc_mask; /* sigmask to restore */ | ||
15 | int sigc_sp; /* stack pointer */ | ||
16 | int sigc_pc; /* program counter */ | ||
17 | int sigc_npc; /* next program counter */ | ||
18 | int sigc_psr; /* for condition codes etc */ | ||
19 | int sigc_g1; /* User uses these two registers */ | ||
20 | int sigc_o0; /* within the trampoline code. */ | ||
21 | |||
22 | /* Now comes information regarding the users window set | ||
23 | * at the time of the signal. | ||
24 | */ | ||
25 | int sigc_oswins; /* outstanding windows */ | ||
26 | |||
27 | /* stack ptrs for each regwin buf */ | ||
28 | char *sigc_spbuf[__SUNOS_MAXWIN]; | ||
29 | |||
30 | /* Windows to restore after signal */ | ||
31 | struct { | ||
32 | unsigned long locals[8]; | ||
33 | unsigned long ins[8]; | ||
34 | } sigc_wbuf[__SUNOS_MAXWIN]; | ||
35 | }; | ||
36 | |||
37 | typedef struct { | ||
38 | struct { | ||
39 | unsigned long psr; | ||
40 | unsigned long pc; | ||
41 | unsigned long npc; | ||
42 | unsigned long y; | ||
43 | unsigned long u_regs[16]; /* globals and ins */ | ||
44 | } si_regs; | ||
45 | int si_mask; | ||
46 | } __siginfo_t; | ||
47 | |||
48 | typedef struct { | ||
49 | unsigned long si_float_regs [32]; | ||
50 | unsigned long si_fsr; | ||
51 | unsigned long si_fpqdepth; | ||
52 | struct { | ||
53 | unsigned long *insn_addr; | ||
54 | unsigned long insn; | ||
55 | } si_fpqueue [16]; | ||
56 | } __siginfo_fpu_t; | ||
57 | |||
58 | #endif /* !(__ASSEMBLY__) */ | ||
59 | |||
60 | #endif /* (__KERNEL__) */ | ||
61 | |||
62 | #endif /* !(__SPARC_SIGCONTEXT_H) */ | ||
diff --git a/include/asm-sparc/sigcontext_32.h b/include/asm-sparc/sigcontext_32.h new file mode 100644 index 000000000000..c5fb60dcbd75 --- /dev/null +++ b/include/asm-sparc/sigcontext_32.h | |||
@@ -0,0 +1,62 @@ | |||
1 | #ifndef __SPARC_SIGCONTEXT_H | ||
2 | #define __SPARC_SIGCONTEXT_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | #include <asm/ptrace.h> | ||
6 | |||
7 | #ifndef __ASSEMBLY__ | ||
8 | |||
9 | #define __SUNOS_MAXWIN 31 | ||
10 | |||
11 | /* This is what SunOS does, so shall I. */ | ||
12 | struct sigcontext { | ||
13 | int sigc_onstack; /* state to restore */ | ||
14 | int sigc_mask; /* sigmask to restore */ | ||
15 | int sigc_sp; /* stack pointer */ | ||
16 | int sigc_pc; /* program counter */ | ||
17 | int sigc_npc; /* next program counter */ | ||
18 | int sigc_psr; /* for condition codes etc */ | ||
19 | int sigc_g1; /* User uses these two registers */ | ||
20 | int sigc_o0; /* within the trampoline code. */ | ||
21 | |||
22 | /* Now comes information regarding the users window set | ||
23 | * at the time of the signal. | ||
24 | */ | ||
25 | int sigc_oswins; /* outstanding windows */ | ||
26 | |||
27 | /* stack ptrs for each regwin buf */ | ||
28 | char *sigc_spbuf[__SUNOS_MAXWIN]; | ||
29 | |||
30 | /* Windows to restore after signal */ | ||
31 | struct { | ||
32 | unsigned long locals[8]; | ||
33 | unsigned long ins[8]; | ||
34 | } sigc_wbuf[__SUNOS_MAXWIN]; | ||
35 | }; | ||
36 | |||
37 | typedef struct { | ||
38 | struct { | ||
39 | unsigned long psr; | ||
40 | unsigned long pc; | ||
41 | unsigned long npc; | ||
42 | unsigned long y; | ||
43 | unsigned long u_regs[16]; /* globals and ins */ | ||
44 | } si_regs; | ||
45 | int si_mask; | ||
46 | } __siginfo_t; | ||
47 | |||
48 | typedef struct { | ||
49 | unsigned long si_float_regs [32]; | ||
50 | unsigned long si_fsr; | ||
51 | unsigned long si_fpqdepth; | ||
52 | struct { | ||
53 | unsigned long *insn_addr; | ||
54 | unsigned long insn; | ||
55 | } si_fpqueue [16]; | ||
56 | } __siginfo_fpu_t; | ||
57 | |||
58 | #endif /* !(__ASSEMBLY__) */ | ||
59 | |||
60 | #endif /* (__KERNEL__) */ | ||
61 | |||
62 | #endif /* !(__SPARC_SIGCONTEXT_H) */ | ||
diff --git a/include/asm-sparc/sigcontext_64.h b/include/asm-sparc/sigcontext_64.h new file mode 100644 index 000000000000..1c868d680cfc --- /dev/null +++ b/include/asm-sparc/sigcontext_64.h | |||
@@ -0,0 +1,87 @@ | |||
1 | #ifndef __SPARC64_SIGCONTEXT_H | ||
2 | #define __SPARC64_SIGCONTEXT_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | #include <asm/ptrace.h> | ||
6 | #endif | ||
7 | |||
8 | #ifndef __ASSEMBLY__ | ||
9 | |||
10 | #ifdef __KERNEL__ | ||
11 | |||
12 | #define __SUNOS_MAXWIN 31 | ||
13 | |||
14 | /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ | ||
15 | struct sigcontext32 { | ||
16 | int sigc_onstack; /* state to restore */ | ||
17 | int sigc_mask; /* sigmask to restore */ | ||
18 | int sigc_sp; /* stack pointer */ | ||
19 | int sigc_pc; /* program counter */ | ||
20 | int sigc_npc; /* next program counter */ | ||
21 | int sigc_psr; /* for condition codes etc */ | ||
22 | int sigc_g1; /* User uses these two registers */ | ||
23 | int sigc_o0; /* within the trampoline code. */ | ||
24 | |||
25 | /* Now comes information regarding the users window set | ||
26 | * at the time of the signal. | ||
27 | */ | ||
28 | int sigc_oswins; /* outstanding windows */ | ||
29 | |||
30 | /* stack ptrs for each regwin buf */ | ||
31 | unsigned sigc_spbuf[__SUNOS_MAXWIN]; | ||
32 | |||
33 | /* Windows to restore after signal */ | ||
34 | struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; | ||
35 | }; | ||
36 | |||
37 | #endif | ||
38 | |||
39 | #ifdef __KERNEL__ | ||
40 | |||
41 | /* This is what we use for 32bit new non-rt signals. */ | ||
42 | |||
43 | typedef struct { | ||
44 | struct { | ||
45 | unsigned int psr; | ||
46 | unsigned int pc; | ||
47 | unsigned int npc; | ||
48 | unsigned int y; | ||
49 | unsigned int u_regs[16]; /* globals and ins */ | ||
50 | } si_regs; | ||
51 | int si_mask; | ||
52 | } __siginfo32_t; | ||
53 | |||
54 | #endif | ||
55 | |||
56 | typedef struct { | ||
57 | unsigned int si_float_regs [64]; | ||
58 | unsigned long si_fsr; | ||
59 | unsigned long si_gsr; | ||
60 | unsigned long si_fprs; | ||
61 | } __siginfo_fpu_t; | ||
62 | |||
63 | /* This is what SunOS doesn't, so we have to write this alone | ||
64 | and do it properly. */ | ||
65 | struct sigcontext { | ||
66 | /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ | ||
67 | char sigc_info[128]; | ||
68 | struct { | ||
69 | unsigned long u_regs[16]; /* globals and ins */ | ||
70 | unsigned long tstate; | ||
71 | unsigned long tpc; | ||
72 | unsigned long tnpc; | ||
73 | unsigned int y; | ||
74 | unsigned int fprs; | ||
75 | } sigc_regs; | ||
76 | __siginfo_fpu_t * sigc_fpu_save; | ||
77 | struct { | ||
78 | void * ss_sp; | ||
79 | int ss_flags; | ||
80 | unsigned long ss_size; | ||
81 | } sigc_stack; | ||
82 | unsigned long sigc_mask; | ||
83 | }; | ||
84 | |||
85 | #endif /* !(__ASSEMBLY__) */ | ||
86 | |||
87 | #endif /* !(__SPARC64_SIGCONTEXT_H) */ | ||
diff --git a/include/asm-sparc/siginfo.h b/include/asm-sparc/siginfo.h index 3c71af135c52..2c9fccf4ce18 100644 --- a/include/asm-sparc/siginfo.h +++ b/include/asm-sparc/siginfo.h | |||
@@ -1,17 +1,8 @@ | |||
1 | #ifndef _SPARC_SIGINFO_H | 1 | #ifndef ___ASM_SPARC_SIGINFO_H |
2 | #define _SPARC_SIGINFO_H | 2 | #define ___ASM_SPARC_SIGINFO_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #define __ARCH_SI_UID_T unsigned int | 4 | #include <asm-sparc/siginfo_64.h> |
5 | #define __ARCH_SI_TRAPNO | 5 | #else |
6 | 6 | #include <asm-sparc/siginfo_32.h> | |
7 | #include <asm-generic/siginfo.h> | 7 | #endif |
8 | 8 | #endif | |
9 | #define SI_NOINFO 32767 /* no information in siginfo_t */ | ||
10 | |||
11 | /* | ||
12 | * SIGEMT si_codes | ||
13 | */ | ||
14 | #define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ | ||
15 | #define NSIGEMT 1 | ||
16 | |||
17 | #endif /* !(_SPARC_SIGINFO_H) */ | ||
diff --git a/include/asm-sparc/siginfo_32.h b/include/asm-sparc/siginfo_32.h new file mode 100644 index 000000000000..3c71af135c52 --- /dev/null +++ b/include/asm-sparc/siginfo_32.h | |||
@@ -0,0 +1,17 @@ | |||
1 | #ifndef _SPARC_SIGINFO_H | ||
2 | #define _SPARC_SIGINFO_H | ||
3 | |||
4 | #define __ARCH_SI_UID_T unsigned int | ||
5 | #define __ARCH_SI_TRAPNO | ||
6 | |||
7 | #include <asm-generic/siginfo.h> | ||
8 | |||
9 | #define SI_NOINFO 32767 /* no information in siginfo_t */ | ||
10 | |||
11 | /* | ||
12 | * SIGEMT si_codes | ||
13 | */ | ||
14 | #define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ | ||
15 | #define NSIGEMT 1 | ||
16 | |||
17 | #endif /* !(_SPARC_SIGINFO_H) */ | ||
diff --git a/include/asm-sparc/siginfo_64.h b/include/asm-sparc/siginfo_64.h new file mode 100644 index 000000000000..c96e6c30f8b0 --- /dev/null +++ b/include/asm-sparc/siginfo_64.h | |||
@@ -0,0 +1,32 @@ | |||
1 | #ifndef _SPARC64_SIGINFO_H | ||
2 | #define _SPARC64_SIGINFO_H | ||
3 | |||
4 | #define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) | ||
5 | |||
6 | #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) | ||
7 | #define __ARCH_SI_TRAPNO | ||
8 | #define __ARCH_SI_BAND_T int | ||
9 | |||
10 | #include <asm-generic/siginfo.h> | ||
11 | |||
12 | #ifdef __KERNEL__ | ||
13 | |||
14 | #include <linux/compat.h> | ||
15 | |||
16 | #ifdef CONFIG_COMPAT | ||
17 | |||
18 | struct compat_siginfo; | ||
19 | |||
20 | #endif /* CONFIG_COMPAT */ | ||
21 | |||
22 | #endif /* __KERNEL__ */ | ||
23 | |||
24 | #define SI_NOINFO 32767 /* no information in siginfo_t */ | ||
25 | |||
26 | /* | ||
27 | * SIGEMT si_codes | ||
28 | */ | ||
29 | #define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ | ||
30 | #define NSIGEMT 1 | ||
31 | |||
32 | #endif | ||
diff --git a/include/asm-sparc/signal.h b/include/asm-sparc/signal.h index 683657d6e685..36f5f9e482f7 100644 --- a/include/asm-sparc/signal.h +++ b/include/asm-sparc/signal.h | |||
@@ -1,207 +1,8 @@ | |||
1 | #ifndef _ASMSPARC_SIGNAL_H | 1 | #ifndef ___ASM_SPARC_SIGNAL_H |
2 | #define _ASMSPARC_SIGNAL_H | 2 | #define ___ASM_SPARC_SIGNAL_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm/sigcontext.h> | 4 | #include <asm-sparc/signal_64.h> |
5 | #include <linux/compiler.h> | ||
6 | |||
7 | #ifdef __KERNEL__ | ||
8 | #ifndef __ASSEMBLY__ | ||
9 | #include <linux/personality.h> | ||
10 | #include <linux/types.h> | ||
11 | #endif | ||
12 | #endif | ||
13 | |||
14 | /* On the Sparc the signal handlers get passed a 'sub-signal' code | ||
15 | * for certain signal types, which we document here. | ||
16 | */ | ||
17 | #define SIGHUP 1 | ||
18 | #define SIGINT 2 | ||
19 | #define SIGQUIT 3 | ||
20 | #define SIGILL 4 | ||
21 | #define SUBSIG_STACK 0 | ||
22 | #define SUBSIG_ILLINST 2 | ||
23 | #define SUBSIG_PRIVINST 3 | ||
24 | #define SUBSIG_BADTRAP(t) (0x80 + (t)) | ||
25 | |||
26 | #define SIGTRAP 5 | ||
27 | #define SIGABRT 6 | ||
28 | #define SIGIOT 6 | ||
29 | |||
30 | #define SIGEMT 7 | ||
31 | #define SUBSIG_TAG 10 | ||
32 | |||
33 | #define SIGFPE 8 | ||
34 | #define SUBSIG_FPDISABLED 0x400 | ||
35 | #define SUBSIG_FPERROR 0x404 | ||
36 | #define SUBSIG_FPINTOVFL 0x001 | ||
37 | #define SUBSIG_FPSTSIG 0x002 | ||
38 | #define SUBSIG_IDIVZERO 0x014 | ||
39 | #define SUBSIG_FPINEXACT 0x0c4 | ||
40 | #define SUBSIG_FPDIVZERO 0x0c8 | ||
41 | #define SUBSIG_FPUNFLOW 0x0cc | ||
42 | #define SUBSIG_FPOPERROR 0x0d0 | ||
43 | #define SUBSIG_FPOVFLOW 0x0d4 | ||
44 | |||
45 | #define SIGKILL 9 | ||
46 | #define SIGBUS 10 | ||
47 | #define SUBSIG_BUSTIMEOUT 1 | ||
48 | #define SUBSIG_ALIGNMENT 2 | ||
49 | #define SUBSIG_MISCERROR 5 | ||
50 | |||
51 | #define SIGSEGV 11 | ||
52 | #define SUBSIG_NOMAPPING 3 | ||
53 | #define SUBSIG_PROTECTION 4 | ||
54 | #define SUBSIG_SEGERROR 5 | ||
55 | |||
56 | #define SIGSYS 12 | ||
57 | |||
58 | #define SIGPIPE 13 | ||
59 | #define SIGALRM 14 | ||
60 | #define SIGTERM 15 | ||
61 | #define SIGURG 16 | ||
62 | |||
63 | /* SunOS values which deviate from the Linux/i386 ones */ | ||
64 | #define SIGSTOP 17 | ||
65 | #define SIGTSTP 18 | ||
66 | #define SIGCONT 19 | ||
67 | #define SIGCHLD 20 | ||
68 | #define SIGTTIN 21 | ||
69 | #define SIGTTOU 22 | ||
70 | #define SIGIO 23 | ||
71 | #define SIGPOLL SIGIO /* SysV name for SIGIO */ | ||
72 | #define SIGXCPU 24 | ||
73 | #define SIGXFSZ 25 | ||
74 | #define SIGVTALRM 26 | ||
75 | #define SIGPROF 27 | ||
76 | #define SIGWINCH 28 | ||
77 | #define SIGLOST 29 | ||
78 | #define SIGPWR SIGLOST | ||
79 | #define SIGUSR1 30 | ||
80 | #define SIGUSR2 31 | ||
81 | |||
82 | /* Most things should be clean enough to redefine this at will, if care | ||
83 | * is taken to make libc match. | ||
84 | */ | ||
85 | |||
86 | #define __OLD_NSIG 32 | ||
87 | #define __NEW_NSIG 64 | ||
88 | #define _NSIG_BPW 32 | ||
89 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | ||
90 | |||
91 | #define SIGRTMIN 32 | ||
92 | #define SIGRTMAX __NEW_NSIG | ||
93 | |||
94 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | ||
95 | #define _NSIG __NEW_NSIG | ||
96 | #define __new_sigset_t sigset_t | ||
97 | #define __new_sigaction sigaction | ||
98 | #define __old_sigset_t old_sigset_t | ||
99 | #define __old_sigaction old_sigaction | ||
100 | #else | 5 | #else |
101 | #define _NSIG __OLD_NSIG | 6 | #include <asm-sparc/signal_32.h> |
102 | #define __old_sigset_t sigset_t | ||
103 | #define __old_sigaction sigaction | ||
104 | #endif | ||
105 | |||
106 | #ifndef __ASSEMBLY__ | ||
107 | |||
108 | typedef unsigned long __old_sigset_t; | ||
109 | |||
110 | typedef struct { | ||
111 | unsigned long sig[_NSIG_WORDS]; | ||
112 | } __new_sigset_t; | ||
113 | |||
114 | |||
115 | #ifdef __KERNEL__ | ||
116 | /* A SunOS sigstack */ | ||
117 | struct sigstack { | ||
118 | char *the_stack; | ||
119 | int cur_status; | ||
120 | }; | ||
121 | #endif | 7 | #endif |
122 | |||
123 | /* Sigvec flags */ | ||
124 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | ||
125 | #define _SV_INTR 2u /* Sig return should not restart system call */ | ||
126 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | ||
127 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | ||
128 | |||
129 | /* | ||
130 | * sa_flags values: SA_STACK is not currently supported, but will allow the | ||
131 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | ||
132 | * the sigaction structure as a stack pointer. This is now possible due to | ||
133 | * the changes in signal handling. LBT 010493. | ||
134 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
135 | */ | ||
136 | #define SA_NOCLDSTOP _SV_IGNCHILD | ||
137 | #define SA_STACK _SV_SSTACK | ||
138 | #define SA_ONSTACK _SV_SSTACK | ||
139 | #define SA_RESTART _SV_INTR | ||
140 | #define SA_ONESHOT _SV_RESET | ||
141 | #define SA_NOMASK 0x20u | ||
142 | #define SA_NOCLDWAIT 0x100u | ||
143 | #define SA_SIGINFO 0x200u | ||
144 | |||
145 | #define SIG_BLOCK 0x01 /* for blocking signals */ | ||
146 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | ||
147 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | ||
148 | |||
149 | /* | ||
150 | * sigaltstack controls | ||
151 | */ | ||
152 | #define SS_ONSTACK 1 | ||
153 | #define SS_DISABLE 2 | ||
154 | |||
155 | #define MINSIGSTKSZ 4096 | ||
156 | #define SIGSTKSZ 16384 | ||
157 | |||
158 | #ifdef __KERNEL__ | ||
159 | /* | ||
160 | * DJHR | ||
161 | * SA_STATIC_ALLOC is used for the SPARC system to indicate that this | ||
162 | * interrupt handler's irq structure should be statically allocated | ||
163 | * by the request_irq routine. | ||
164 | * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge | ||
165 | * of interrupt usage and that sucks. Also without a flag like this | ||
166 | * it may be possible for the free_irq routine to attempt to free | ||
167 | * statically allocated data.. which is NOT GOOD. | ||
168 | * | ||
169 | */ | ||
170 | #define SA_STATIC_ALLOC 0x8000 | ||
171 | #endif | 8 | #endif |
172 | |||
173 | #include <asm-generic/signal.h> | ||
174 | |||
175 | #ifdef __KERNEL__ | ||
176 | struct __new_sigaction { | ||
177 | __sighandler_t sa_handler; | ||
178 | unsigned long sa_flags; | ||
179 | void (*sa_restorer)(void); /* Not used by Linux/SPARC */ | ||
180 | __new_sigset_t sa_mask; | ||
181 | }; | ||
182 | |||
183 | struct k_sigaction { | ||
184 | struct __new_sigaction sa; | ||
185 | void __user *ka_restorer; | ||
186 | }; | ||
187 | |||
188 | struct __old_sigaction { | ||
189 | __sighandler_t sa_handler; | ||
190 | __old_sigset_t sa_mask; | ||
191 | unsigned long sa_flags; | ||
192 | void (*sa_restorer) (void); /* not used by Linux/SPARC */ | ||
193 | }; | ||
194 | |||
195 | typedef struct sigaltstack { | ||
196 | void __user *ss_sp; | ||
197 | int ss_flags; | ||
198 | size_t ss_size; | ||
199 | } stack_t; | ||
200 | |||
201 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
202 | |||
203 | #endif /* !(__KERNEL__) */ | ||
204 | |||
205 | #endif /* !(__ASSEMBLY__) */ | ||
206 | |||
207 | #endif /* !(_ASMSPARC_SIGNAL_H) */ | ||
diff --git a/include/asm-sparc/signal_32.h b/include/asm-sparc/signal_32.h new file mode 100644 index 000000000000..96a60ab03ca1 --- /dev/null +++ b/include/asm-sparc/signal_32.h | |||
@@ -0,0 +1,207 @@ | |||
1 | #ifndef _ASMSPARC_SIGNAL_H | ||
2 | #define _ASMSPARC_SIGNAL_H | ||
3 | |||
4 | #include <asm/sigcontext.h> | ||
5 | #include <linux/compiler.h> | ||
6 | |||
7 | #ifdef __KERNEL__ | ||
8 | #ifndef __ASSEMBLY__ | ||
9 | #include <linux/personality.h> | ||
10 | #include <linux/types.h> | ||
11 | #endif | ||
12 | #endif | ||
13 | |||
14 | /* On the Sparc the signal handlers get passed a 'sub-signal' code | ||
15 | * for certain signal types, which we document here. | ||
16 | */ | ||
17 | #define SIGHUP 1 | ||
18 | #define SIGINT 2 | ||
19 | #define SIGQUIT 3 | ||
20 | #define SIGILL 4 | ||
21 | #define SUBSIG_STACK 0 | ||
22 | #define SUBSIG_ILLINST 2 | ||
23 | #define SUBSIG_PRIVINST 3 | ||
24 | #define SUBSIG_BADTRAP(t) (0x80 + (t)) | ||
25 | |||
26 | #define SIGTRAP 5 | ||
27 | #define SIGABRT 6 | ||
28 | #define SIGIOT 6 | ||
29 | |||
30 | #define SIGEMT 7 | ||
31 | #define SUBSIG_TAG 10 | ||
32 | |||
33 | #define SIGFPE 8 | ||
34 | #define SUBSIG_FPDISABLED 0x400 | ||
35 | #define SUBSIG_FPERROR 0x404 | ||
36 | #define SUBSIG_FPINTOVFL 0x001 | ||
37 | #define SUBSIG_FPSTSIG 0x002 | ||
38 | #define SUBSIG_IDIVZERO 0x014 | ||
39 | #define SUBSIG_FPINEXACT 0x0c4 | ||
40 | #define SUBSIG_FPDIVZERO 0x0c8 | ||
41 | #define SUBSIG_FPUNFLOW 0x0cc | ||
42 | #define SUBSIG_FPOPERROR 0x0d0 | ||
43 | #define SUBSIG_FPOVFLOW 0x0d4 | ||
44 | |||
45 | #define SIGKILL 9 | ||
46 | #define SIGBUS 10 | ||
47 | #define SUBSIG_BUSTIMEOUT 1 | ||
48 | #define SUBSIG_ALIGNMENT 2 | ||
49 | #define SUBSIG_MISCERROR 5 | ||
50 | |||
51 | #define SIGSEGV 11 | ||
52 | #define SUBSIG_NOMAPPING 3 | ||
53 | #define SUBSIG_PROTECTION 4 | ||
54 | #define SUBSIG_SEGERROR 5 | ||
55 | |||
56 | #define SIGSYS 12 | ||
57 | |||
58 | #define SIGPIPE 13 | ||
59 | #define SIGALRM 14 | ||
60 | #define SIGTERM 15 | ||
61 | #define SIGURG 16 | ||
62 | |||
63 | /* SunOS values which deviate from the Linux/i386 ones */ | ||
64 | #define SIGSTOP 17 | ||
65 | #define SIGTSTP 18 | ||
66 | #define SIGCONT 19 | ||
67 | #define SIGCHLD 20 | ||
68 | #define SIGTTIN 21 | ||
69 | #define SIGTTOU 22 | ||
70 | #define SIGIO 23 | ||
71 | #define SIGPOLL SIGIO /* SysV name for SIGIO */ | ||
72 | #define SIGXCPU 24 | ||
73 | #define SIGXFSZ 25 | ||
74 | #define SIGVTALRM 26 | ||
75 | #define SIGPROF 27 | ||
76 | #define SIGWINCH 28 | ||
77 | #define SIGLOST 29 | ||
78 | #define SIGPWR SIGLOST | ||
79 | #define SIGUSR1 30 | ||
80 | #define SIGUSR2 31 | ||
81 | |||
82 | /* Most things should be clean enough to redefine this at will, if care | ||
83 | * is taken to make libc match. | ||
84 | */ | ||
85 | |||
86 | #define __OLD_NSIG 32 | ||
87 | #define __NEW_NSIG 64 | ||
88 | #define _NSIG_BPW 32 | ||
89 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | ||
90 | |||
91 | #define SIGRTMIN 32 | ||
92 | #define SIGRTMAX __NEW_NSIG | ||
93 | |||
94 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | ||
95 | #define _NSIG __NEW_NSIG | ||
96 | #define __new_sigset_t sigset_t | ||
97 | #define __new_sigaction sigaction | ||
98 | #define __old_sigset_t old_sigset_t | ||
99 | #define __old_sigaction old_sigaction | ||
100 | #else | ||
101 | #define _NSIG __OLD_NSIG | ||
102 | #define __old_sigset_t sigset_t | ||
103 | #define __old_sigaction sigaction | ||
104 | #endif | ||
105 | |||
106 | #ifndef __ASSEMBLY__ | ||
107 | |||
108 | typedef unsigned long __old_sigset_t; | ||
109 | |||
110 | typedef struct { | ||
111 | unsigned long sig[_NSIG_WORDS]; | ||
112 | } __new_sigset_t; | ||
113 | |||
114 | |||
115 | #ifdef __KERNEL__ | ||
116 | /* A SunOS sigstack */ | ||
117 | struct sigstack { | ||
118 | char *the_stack; | ||
119 | int cur_status; | ||
120 | }; | ||
121 | #endif | ||
122 | |||
123 | /* Sigvec flags */ | ||
124 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | ||
125 | #define _SV_INTR 2u /* Sig return should not restart system call */ | ||
126 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | ||
127 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | ||
128 | |||
129 | /* | ||
130 | * sa_flags values: SA_STACK is not currently supported, but will allow the | ||
131 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | ||
132 | * the sigaction structure as a stack pointer. This is now possible due to | ||
133 | * the changes in signal handling. LBT 010493. | ||
134 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
135 | */ | ||
136 | #define SA_NOCLDSTOP _SV_IGNCHILD | ||
137 | #define SA_STACK _SV_SSTACK | ||
138 | #define SA_ONSTACK _SV_SSTACK | ||
139 | #define SA_RESTART _SV_INTR | ||
140 | #define SA_ONESHOT _SV_RESET | ||
141 | #define SA_NOMASK 0x20u | ||
142 | #define SA_NOCLDWAIT 0x100u | ||
143 | #define SA_SIGINFO 0x200u | ||
144 | |||
145 | #define SIG_BLOCK 0x01 /* for blocking signals */ | ||
146 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | ||
147 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | ||
148 | |||
149 | /* | ||
150 | * sigaltstack controls | ||
151 | */ | ||
152 | #define SS_ONSTACK 1 | ||
153 | #define SS_DISABLE 2 | ||
154 | |||
155 | #define MINSIGSTKSZ 4096 | ||
156 | #define SIGSTKSZ 16384 | ||
157 | |||
158 | #ifdef __KERNEL__ | ||
159 | /* | ||
160 | * DJHR | ||
161 | * SA_STATIC_ALLOC is used for the SPARC system to indicate that this | ||
162 | * interrupt handler's irq structure should be statically allocated | ||
163 | * by the request_irq routine. | ||
164 | * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge | ||
165 | * of interrupt usage and that sucks. Also without a flag like this | ||
166 | * it may be possible for the free_irq routine to attempt to free | ||
167 | * statically allocated data.. which is NOT GOOD. | ||
168 | * | ||
169 | */ | ||
170 | #define SA_STATIC_ALLOC 0x8000 | ||
171 | #endif | ||
172 | |||
173 | #include <asm-generic/signal.h> | ||
174 | |||
175 | #ifdef __KERNEL__ | ||
176 | struct __new_sigaction { | ||
177 | __sighandler_t sa_handler; | ||
178 | unsigned long sa_flags; | ||
179 | void (*sa_restorer)(void); /* Not used by Linux/SPARC */ | ||
180 | __new_sigset_t sa_mask; | ||
181 | }; | ||
182 | |||
183 | struct k_sigaction { | ||
184 | struct __new_sigaction sa; | ||
185 | void __user *ka_restorer; | ||
186 | }; | ||
187 | |||
188 | struct __old_sigaction { | ||
189 | __sighandler_t sa_handler; | ||
190 | __old_sigset_t sa_mask; | ||
191 | unsigned long sa_flags; | ||
192 | void (*sa_restorer) (void); /* not used by Linux/SPARC */ | ||
193 | }; | ||
194 | |||
195 | typedef struct sigaltstack { | ||
196 | void __user *ss_sp; | ||
197 | int ss_flags; | ||
198 | size_t ss_size; | ||
199 | } stack_t; | ||
200 | |||
201 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
202 | |||
203 | #endif /* !(__KERNEL__) */ | ||
204 | |||
205 | #endif /* !(__ASSEMBLY__) */ | ||
206 | |||
207 | #endif /* !(_ASMSPARC_SIGNAL_H) */ | ||
diff --git a/include/asm-sparc/signal_64.h b/include/asm-sparc/signal_64.h new file mode 100644 index 000000000000..ab1509a101c5 --- /dev/null +++ b/include/asm-sparc/signal_64.h | |||
@@ -0,0 +1,194 @@ | |||
1 | #ifndef _ASMSPARC64_SIGNAL_H | ||
2 | #define _ASMSPARC64_SIGNAL_H | ||
3 | |||
4 | #include <asm/sigcontext.h> | ||
5 | |||
6 | #ifdef __KERNEL__ | ||
7 | #ifndef __ASSEMBLY__ | ||
8 | #include <linux/personality.h> | ||
9 | #include <linux/types.h> | ||
10 | #endif | ||
11 | #endif | ||
12 | |||
13 | /* On the Sparc the signal handlers get passed a 'sub-signal' code | ||
14 | * for certain signal types, which we document here. | ||
15 | */ | ||
16 | #define SIGHUP 1 | ||
17 | #define SIGINT 2 | ||
18 | #define SIGQUIT 3 | ||
19 | #define SIGILL 4 | ||
20 | #define SUBSIG_STACK 0 | ||
21 | #define SUBSIG_ILLINST 2 | ||
22 | #define SUBSIG_PRIVINST 3 | ||
23 | #define SUBSIG_BADTRAP(t) (0x80 + (t)) | ||
24 | |||
25 | #define SIGTRAP 5 | ||
26 | #define SIGABRT 6 | ||
27 | #define SIGIOT 6 | ||
28 | |||
29 | #define SIGEMT 7 | ||
30 | #define SUBSIG_TAG 10 | ||
31 | |||
32 | #define SIGFPE 8 | ||
33 | #define SUBSIG_FPDISABLED 0x400 | ||
34 | #define SUBSIG_FPERROR 0x404 | ||
35 | #define SUBSIG_FPINTOVFL 0x001 | ||
36 | #define SUBSIG_FPSTSIG 0x002 | ||
37 | #define SUBSIG_IDIVZERO 0x014 | ||
38 | #define SUBSIG_FPINEXACT 0x0c4 | ||
39 | #define SUBSIG_FPDIVZERO 0x0c8 | ||
40 | #define SUBSIG_FPUNFLOW 0x0cc | ||
41 | #define SUBSIG_FPOPERROR 0x0d0 | ||
42 | #define SUBSIG_FPOVFLOW 0x0d4 | ||
43 | |||
44 | #define SIGKILL 9 | ||
45 | #define SIGBUS 10 | ||
46 | #define SUBSIG_BUSTIMEOUT 1 | ||
47 | #define SUBSIG_ALIGNMENT 2 | ||
48 | #define SUBSIG_MISCERROR 5 | ||
49 | |||
50 | #define SIGSEGV 11 | ||
51 | #define SUBSIG_NOMAPPING 3 | ||
52 | #define SUBSIG_PROTECTION 4 | ||
53 | #define SUBSIG_SEGERROR 5 | ||
54 | |||
55 | #define SIGSYS 12 | ||
56 | |||
57 | #define SIGPIPE 13 | ||
58 | #define SIGALRM 14 | ||
59 | #define SIGTERM 15 | ||
60 | #define SIGURG 16 | ||
61 | |||
62 | /* SunOS values which deviate from the Linux/i386 ones */ | ||
63 | #define SIGSTOP 17 | ||
64 | #define SIGTSTP 18 | ||
65 | #define SIGCONT 19 | ||
66 | #define SIGCHLD 20 | ||
67 | #define SIGTTIN 21 | ||
68 | #define SIGTTOU 22 | ||
69 | #define SIGIO 23 | ||
70 | #define SIGPOLL SIGIO /* SysV name for SIGIO */ | ||
71 | #define SIGXCPU 24 | ||
72 | #define SIGXFSZ 25 | ||
73 | #define SIGVTALRM 26 | ||
74 | #define SIGPROF 27 | ||
75 | #define SIGWINCH 28 | ||
76 | #define SIGLOST 29 | ||
77 | #define SIGPWR SIGLOST | ||
78 | #define SIGUSR1 30 | ||
79 | #define SIGUSR2 31 | ||
80 | |||
81 | /* Most things should be clean enough to redefine this at will, if care | ||
82 | is taken to make libc match. */ | ||
83 | |||
84 | #define __OLD_NSIG 32 | ||
85 | #define __NEW_NSIG 64 | ||
86 | #define _NSIG_BPW 64 | ||
87 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | ||
88 | |||
89 | #define SIGRTMIN 32 | ||
90 | #define SIGRTMAX __NEW_NSIG | ||
91 | |||
92 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | ||
93 | #define _NSIG __NEW_NSIG | ||
94 | #define __new_sigset_t sigset_t | ||
95 | #define __new_sigaction sigaction | ||
96 | #define __new_sigaction32 sigaction32 | ||
97 | #define __old_sigset_t old_sigset_t | ||
98 | #define __old_sigaction old_sigaction | ||
99 | #define __old_sigaction32 old_sigaction32 | ||
100 | #else | ||
101 | #define _NSIG __OLD_NSIG | ||
102 | #define NSIG _NSIG | ||
103 | #define __old_sigset_t sigset_t | ||
104 | #define __old_sigaction sigaction | ||
105 | #define __old_sigaction32 sigaction32 | ||
106 | #endif | ||
107 | |||
108 | #ifndef __ASSEMBLY__ | ||
109 | |||
110 | typedef unsigned long __old_sigset_t; /* at least 32 bits */ | ||
111 | |||
112 | typedef struct { | ||
113 | unsigned long sig[_NSIG_WORDS]; | ||
114 | } __new_sigset_t; | ||
115 | |||
116 | /* A SunOS sigstack */ | ||
117 | struct sigstack { | ||
118 | /* XXX 32-bit pointers pinhead XXX */ | ||
119 | char *the_stack; | ||
120 | int cur_status; | ||
121 | }; | ||
122 | |||
123 | /* Sigvec flags */ | ||
124 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | ||
125 | #define _SV_INTR 2u /* Sig return should not restart system call */ | ||
126 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | ||
127 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | ||
128 | |||
129 | /* | ||
130 | * sa_flags values: SA_STACK is not currently supported, but will allow the | ||
131 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | ||
132 | * the sigaction structure as a stack pointer. This is now possible due to | ||
133 | * the changes in signal handling. LBT 010493. | ||
134 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
135 | */ | ||
136 | #define SA_NOCLDSTOP _SV_IGNCHILD | ||
137 | #define SA_STACK _SV_SSTACK | ||
138 | #define SA_ONSTACK _SV_SSTACK | ||
139 | #define SA_RESTART _SV_INTR | ||
140 | #define SA_ONESHOT _SV_RESET | ||
141 | #define SA_NOMASK 0x20u | ||
142 | #define SA_NOCLDWAIT 0x100u | ||
143 | #define SA_SIGINFO 0x200u | ||
144 | |||
145 | |||
146 | #define SIG_BLOCK 0x01 /* for blocking signals */ | ||
147 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | ||
148 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | ||
149 | |||
150 | /* | ||
151 | * sigaltstack controls | ||
152 | */ | ||
153 | #define SS_ONSTACK 1 | ||
154 | #define SS_DISABLE 2 | ||
155 | |||
156 | #define MINSIGSTKSZ 4096 | ||
157 | #define SIGSTKSZ 16384 | ||
158 | |||
159 | #include <asm-generic/signal.h> | ||
160 | |||
161 | struct __new_sigaction { | ||
162 | __sighandler_t sa_handler; | ||
163 | unsigned long sa_flags; | ||
164 | __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ | ||
165 | __new_sigset_t sa_mask; | ||
166 | }; | ||
167 | |||
168 | struct __old_sigaction { | ||
169 | __sighandler_t sa_handler; | ||
170 | __old_sigset_t sa_mask; | ||
171 | unsigned long sa_flags; | ||
172 | void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ | ||
173 | }; | ||
174 | |||
175 | typedef struct sigaltstack { | ||
176 | void __user *ss_sp; | ||
177 | int ss_flags; | ||
178 | size_t ss_size; | ||
179 | } stack_t; | ||
180 | |||
181 | #ifdef __KERNEL__ | ||
182 | |||
183 | struct k_sigaction { | ||
184 | struct __new_sigaction sa; | ||
185 | void __user *ka_restorer; | ||
186 | }; | ||
187 | |||
188 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
189 | |||
190 | #endif /* !(__KERNEL__) */ | ||
191 | |||
192 | #endif /* !(__ASSEMBLY__) */ | ||
193 | |||
194 | #endif /* !(_ASMSPARC64_SIGNAL_H) */ | ||
diff --git a/include/asm-sparc/smp.h b/include/asm-sparc/smp.h index b61e74bea06a..1f9dedfbabd8 100644 --- a/include/asm-sparc/smp.h +++ b/include/asm-sparc/smp.h | |||
@@ -1,173 +1,8 @@ | |||
1 | /* smp.h: Sparc specific SMP stuff. | 1 | #ifndef ___ASM_SPARC_SMP_H |
2 | * | 2 | #define ___ASM_SPARC_SMP_H |
3 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/smp_64.h> |
5 | |||
6 | #ifndef _SPARC_SMP_H | ||
7 | #define _SPARC_SMP_H | ||
8 | |||
9 | #include <linux/threads.h> | ||
10 | #include <asm/head.h> | ||
11 | #include <asm/btfixup.h> | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | #include <linux/cpumask.h> | ||
16 | |||
17 | #endif /* __ASSEMBLY__ */ | ||
18 | |||
19 | #ifdef CONFIG_SMP | ||
20 | |||
21 | #ifndef __ASSEMBLY__ | ||
22 | |||
23 | #include <asm/ptrace.h> | ||
24 | #include <asm/asi.h> | ||
25 | #include <asm/atomic.h> | ||
26 | |||
27 | /* | ||
28 | * Private routines/data | ||
29 | */ | ||
30 | |||
31 | extern unsigned char boot_cpu_id; | ||
32 | extern cpumask_t phys_cpu_present_map; | ||
33 | #define cpu_possible_map phys_cpu_present_map | ||
34 | |||
35 | typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long, | ||
36 | unsigned long, unsigned long); | ||
37 | |||
38 | /* | ||
39 | * General functions that each host system must provide. | ||
40 | */ | ||
41 | |||
42 | void sun4m_init_smp(void); | ||
43 | void sun4d_init_smp(void); | ||
44 | |||
45 | void smp_callin(void); | ||
46 | void smp_boot_cpus(void); | ||
47 | void smp_store_cpu_info(int); | ||
48 | |||
49 | struct seq_file; | ||
50 | void smp_bogo(struct seq_file *); | ||
51 | void smp_info(struct seq_file *); | ||
52 | |||
53 | BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) | ||
54 | BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void) | ||
55 | BTFIXUPDEF_BLACKBOX(hard_smp_processor_id) | ||
56 | BTFIXUPDEF_BLACKBOX(load_current) | ||
57 | |||
58 | #define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5) | ||
59 | |||
60 | static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); } | ||
61 | static inline void xc1(smpfunc_t func, unsigned long arg1) | ||
62 | { smp_cross_call(func, arg1, 0, 0, 0, 0); } | ||
63 | static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) | ||
64 | { smp_cross_call(func, arg1, arg2, 0, 0, 0); } | ||
65 | static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
66 | unsigned long arg3) | ||
67 | { smp_cross_call(func, arg1, arg2, arg3, 0, 0); } | ||
68 | static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
69 | unsigned long arg3, unsigned long arg4) | ||
70 | { smp_cross_call(func, arg1, arg2, arg3, arg4, 0); } | ||
71 | static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
72 | unsigned long arg3, unsigned long arg4, unsigned long arg5) | ||
73 | { smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); } | ||
74 | |||
75 | static inline int smp_call_function(void (*func)(void *info), void *info, int wait) | ||
76 | { | ||
77 | xc1((smpfunc_t)func, (unsigned long)info); | ||
78 | return 0; | ||
79 | } | ||
80 | |||
81 | static inline int cpu_logical_map(int cpu) | ||
82 | { | ||
83 | return cpu; | ||
84 | } | ||
85 | |||
86 | static inline int hard_smp4m_processor_id(void) | ||
87 | { | ||
88 | int cpuid; | ||
89 | |||
90 | __asm__ __volatile__("rd %%tbr, %0\n\t" | ||
91 | "srl %0, 12, %0\n\t" | ||
92 | "and %0, 3, %0\n\t" : | ||
93 | "=&r" (cpuid)); | ||
94 | return cpuid; | ||
95 | } | ||
96 | |||
97 | static inline int hard_smp4d_processor_id(void) | ||
98 | { | ||
99 | int cpuid; | ||
100 | |||
101 | __asm__ __volatile__("lda [%%g0] %1, %0\n\t" : | ||
102 | "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1)); | ||
103 | return cpuid; | ||
104 | } | ||
105 | |||
106 | #ifndef MODULE | ||
107 | static inline int hard_smp_processor_id(void) | ||
108 | { | ||
109 | int cpuid; | ||
110 | |||
111 | /* Black box - sun4m | ||
112 | __asm__ __volatile__("rd %%tbr, %0\n\t" | ||
113 | "srl %0, 12, %0\n\t" | ||
114 | "and %0, 3, %0\n\t" : | ||
115 | "=&r" (cpuid)); | ||
116 | - sun4d | ||
117 | __asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t" | ||
118 | "nop; nop" : | ||
119 | "=&r" (cpuid)); | ||
120 | See btfixup.h and btfixupprep.c to understand how a blackbox works. | ||
121 | */ | ||
122 | __asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t" | ||
123 | "sethi %%hi(boot_cpu_id), %0\n\t" | ||
124 | "ldub [%0 + %%lo(boot_cpu_id)], %0\n\t" : | ||
125 | "=&r" (cpuid)); | ||
126 | return cpuid; | ||
127 | } | ||
128 | #else | 5 | #else |
129 | static inline int hard_smp_processor_id(void) | 6 | #include <asm-sparc/smp_32.h> |
130 | { | 7 | #endif |
131 | int cpuid; | ||
132 | |||
133 | __asm__ __volatile__("mov %%o7, %%g1\n\t" | ||
134 | "call ___f___hard_smp_processor_id\n\t" | ||
135 | " nop\n\t" | ||
136 | "mov %%g2, %0\n\t" : "=r"(cpuid) : : "g1", "g2"); | ||
137 | return cpuid; | ||
138 | } | ||
139 | #endif | 8 | #endif |
140 | |||
141 | #define raw_smp_processor_id() (current_thread_info()->cpu) | ||
142 | |||
143 | #define prof_multiplier(__cpu) cpu_data(__cpu).multiplier | ||
144 | #define prof_counter(__cpu) cpu_data(__cpu).counter | ||
145 | |||
146 | void smp_setup_cpu_possible_map(void); | ||
147 | |||
148 | #endif /* !(__ASSEMBLY__) */ | ||
149 | |||
150 | /* Sparc specific messages. */ | ||
151 | #define MSG_CROSS_CALL 0x0005 /* run func on cpus */ | ||
152 | |||
153 | /* Empirical PROM processor mailbox constants. If the per-cpu mailbox | ||
154 | * contains something other than one of these then the ipi is from | ||
155 | * Linux's active_kernel_processor. This facility exists so that | ||
156 | * the boot monitor can capture all the other cpus when one catches | ||
157 | * a watchdog reset or the user enters the monitor using L1-A keys. | ||
158 | */ | ||
159 | #define MBOX_STOPCPU 0xFB | ||
160 | #define MBOX_IDLECPU 0xFC | ||
161 | #define MBOX_IDLECPU2 0xFD | ||
162 | #define MBOX_STOPCPU2 0xFE | ||
163 | |||
164 | #else /* SMP */ | ||
165 | |||
166 | #define hard_smp_processor_id() 0 | ||
167 | #define smp_setup_cpu_possible_map() do { } while (0) | ||
168 | |||
169 | #endif /* !(SMP) */ | ||
170 | |||
171 | #define NO_PROC_ID 0xFF | ||
172 | |||
173 | #endif /* !(_SPARC_SMP_H) */ | ||
diff --git a/include/asm-sparc/smp_32.h b/include/asm-sparc/smp_32.h new file mode 100644 index 000000000000..7201752cf934 --- /dev/null +++ b/include/asm-sparc/smp_32.h | |||
@@ -0,0 +1,173 @@ | |||
1 | /* smp.h: Sparc specific SMP stuff. | ||
2 | * | ||
3 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC_SMP_H | ||
7 | #define _SPARC_SMP_H | ||
8 | |||
9 | #include <linux/threads.h> | ||
10 | #include <asm/head.h> | ||
11 | #include <asm/btfixup.h> | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | #include <linux/cpumask.h> | ||
16 | |||
17 | #endif /* __ASSEMBLY__ */ | ||
18 | |||
19 | #ifdef CONFIG_SMP | ||
20 | |||
21 | #ifndef __ASSEMBLY__ | ||
22 | |||
23 | #include <asm/ptrace.h> | ||
24 | #include <asm/asi.h> | ||
25 | #include <asm/atomic.h> | ||
26 | |||
27 | /* | ||
28 | * Private routines/data | ||
29 | */ | ||
30 | |||
31 | extern unsigned char boot_cpu_id; | ||
32 | extern cpumask_t phys_cpu_present_map; | ||
33 | #define cpu_possible_map phys_cpu_present_map | ||
34 | |||
35 | typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long, | ||
36 | unsigned long, unsigned long); | ||
37 | |||
38 | /* | ||
39 | * General functions that each host system must provide. | ||
40 | */ | ||
41 | |||
42 | void sun4m_init_smp(void); | ||
43 | void sun4d_init_smp(void); | ||
44 | |||
45 | void smp_callin(void); | ||
46 | void smp_boot_cpus(void); | ||
47 | void smp_store_cpu_info(int); | ||
48 | |||
49 | struct seq_file; | ||
50 | void smp_bogo(struct seq_file *); | ||
51 | void smp_info(struct seq_file *); | ||
52 | |||
53 | BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) | ||
54 | BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void) | ||
55 | BTFIXUPDEF_BLACKBOX(hard_smp_processor_id) | ||
56 | BTFIXUPDEF_BLACKBOX(load_current) | ||
57 | |||
58 | #define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5) | ||
59 | |||
60 | static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); } | ||
61 | static inline void xc1(smpfunc_t func, unsigned long arg1) | ||
62 | { smp_cross_call(func, arg1, 0, 0, 0, 0); } | ||
63 | static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) | ||
64 | { smp_cross_call(func, arg1, arg2, 0, 0, 0); } | ||
65 | static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
66 | unsigned long arg3) | ||
67 | { smp_cross_call(func, arg1, arg2, arg3, 0, 0); } | ||
68 | static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
69 | unsigned long arg3, unsigned long arg4) | ||
70 | { smp_cross_call(func, arg1, arg2, arg3, arg4, 0); } | ||
71 | static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2, | ||
72 | unsigned long arg3, unsigned long arg4, unsigned long arg5) | ||
73 | { smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); } | ||
74 | |||
75 | static inline int smp_call_function(void (*func)(void *info), void *info, int wait) | ||
76 | { | ||
77 | xc1((smpfunc_t)func, (unsigned long)info); | ||
78 | return 0; | ||
79 | } | ||
80 | |||
81 | static inline int cpu_logical_map(int cpu) | ||
82 | { | ||
83 | return cpu; | ||
84 | } | ||
85 | |||
86 | static inline int hard_smp4m_processor_id(void) | ||
87 | { | ||
88 | int cpuid; | ||
89 | |||
90 | __asm__ __volatile__("rd %%tbr, %0\n\t" | ||
91 | "srl %0, 12, %0\n\t" | ||
92 | "and %0, 3, %0\n\t" : | ||
93 | "=&r" (cpuid)); | ||
94 | return cpuid; | ||
95 | } | ||
96 | |||
97 | static inline int hard_smp4d_processor_id(void) | ||
98 | { | ||
99 | int cpuid; | ||
100 | |||
101 | __asm__ __volatile__("lda [%%g0] %1, %0\n\t" : | ||
102 | "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1)); | ||
103 | return cpuid; | ||
104 | } | ||
105 | |||
106 | #ifndef MODULE | ||
107 | static inline int hard_smp_processor_id(void) | ||
108 | { | ||
109 | int cpuid; | ||
110 | |||
111 | /* Black box - sun4m | ||
112 | __asm__ __volatile__("rd %%tbr, %0\n\t" | ||
113 | "srl %0, 12, %0\n\t" | ||
114 | "and %0, 3, %0\n\t" : | ||
115 | "=&r" (cpuid)); | ||
116 | - sun4d | ||
117 | __asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t" | ||
118 | "nop; nop" : | ||
119 | "=&r" (cpuid)); | ||
120 | See btfixup.h and btfixupprep.c to understand how a blackbox works. | ||
121 | */ | ||
122 | __asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t" | ||
123 | "sethi %%hi(boot_cpu_id), %0\n\t" | ||
124 | "ldub [%0 + %%lo(boot_cpu_id)], %0\n\t" : | ||
125 | "=&r" (cpuid)); | ||
126 | return cpuid; | ||
127 | } | ||
128 | #else | ||
129 | static inline int hard_smp_processor_id(void) | ||
130 | { | ||
131 | int cpuid; | ||
132 | |||
133 | __asm__ __volatile__("mov %%o7, %%g1\n\t" | ||
134 | "call ___f___hard_smp_processor_id\n\t" | ||
135 | " nop\n\t" | ||
136 | "mov %%g2, %0\n\t" : "=r"(cpuid) : : "g1", "g2"); | ||
137 | return cpuid; | ||
138 | } | ||
139 | #endif | ||
140 | |||
141 | #define raw_smp_processor_id() (current_thread_info()->cpu) | ||
142 | |||
143 | #define prof_multiplier(__cpu) cpu_data(__cpu).multiplier | ||
144 | #define prof_counter(__cpu) cpu_data(__cpu).counter | ||
145 | |||
146 | void smp_setup_cpu_possible_map(void); | ||
147 | |||
148 | #endif /* !(__ASSEMBLY__) */ | ||
149 | |||
150 | /* Sparc specific messages. */ | ||
151 | #define MSG_CROSS_CALL 0x0005 /* run func on cpus */ | ||
152 | |||
153 | /* Empirical PROM processor mailbox constants. If the per-cpu mailbox | ||
154 | * contains something other than one of these then the ipi is from | ||
155 | * Linux's active_kernel_processor. This facility exists so that | ||
156 | * the boot monitor can capture all the other cpus when one catches | ||
157 | * a watchdog reset or the user enters the monitor using L1-A keys. | ||
158 | */ | ||
159 | #define MBOX_STOPCPU 0xFB | ||
160 | #define MBOX_IDLECPU 0xFC | ||
161 | #define MBOX_IDLECPU2 0xFD | ||
162 | #define MBOX_STOPCPU2 0xFE | ||
163 | |||
164 | #else /* SMP */ | ||
165 | |||
166 | #define hard_smp_processor_id() 0 | ||
167 | #define smp_setup_cpu_possible_map() do { } while (0) | ||
168 | |||
169 | #endif /* !(SMP) */ | ||
170 | |||
171 | #define NO_PROC_ID 0xFF | ||
172 | |||
173 | #endif /* !(_SPARC_SMP_H) */ | ||
diff --git a/include/asm-sparc/smp_64.h b/include/asm-sparc/smp_64.h new file mode 100644 index 000000000000..4cfe09c51f1f --- /dev/null +++ b/include/asm-sparc/smp_64.h | |||
@@ -0,0 +1,64 @@ | |||
1 | /* smp.h: Sparc64 specific SMP stuff. | ||
2 | * | ||
3 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_SMP_H | ||
7 | #define _SPARC64_SMP_H | ||
8 | |||
9 | #include <linux/threads.h> | ||
10 | #include <asm/asi.h> | ||
11 | #include <asm/starfire.h> | ||
12 | #include <asm/spitfire.h> | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | #include <linux/cpumask.h> | ||
17 | #include <linux/cache.h> | ||
18 | |||
19 | #endif /* !(__ASSEMBLY__) */ | ||
20 | |||
21 | #ifdef CONFIG_SMP | ||
22 | |||
23 | #ifndef __ASSEMBLY__ | ||
24 | |||
25 | /* | ||
26 | * Private routines/data | ||
27 | */ | ||
28 | |||
29 | #include <linux/bitops.h> | ||
30 | #include <asm/atomic.h> | ||
31 | #include <asm/percpu.h> | ||
32 | |||
33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | ||
34 | extern cpumask_t cpu_core_map[NR_CPUS]; | ||
35 | extern int sparc64_multi_core; | ||
36 | |||
37 | /* | ||
38 | * General functions that each host system must provide. | ||
39 | */ | ||
40 | |||
41 | extern int hard_smp_processor_id(void); | ||
42 | #define raw_smp_processor_id() (current_thread_info()->cpu) | ||
43 | |||
44 | extern void smp_fill_in_sib_core_maps(void); | ||
45 | extern void cpu_play_dead(void); | ||
46 | |||
47 | extern void smp_fetch_global_regs(void); | ||
48 | |||
49 | #ifdef CONFIG_HOTPLUG_CPU | ||
50 | extern int __cpu_disable(void); | ||
51 | extern void __cpu_die(unsigned int cpu); | ||
52 | #endif | ||
53 | |||
54 | #endif /* !(__ASSEMBLY__) */ | ||
55 | |||
56 | #else | ||
57 | |||
58 | #define hard_smp_processor_id() 0 | ||
59 | #define smp_fill_in_sib_core_maps() do { } while (0) | ||
60 | #define smp_fetch_global_regs() do { } while (0) | ||
61 | |||
62 | #endif /* !(CONFIG_SMP) */ | ||
63 | |||
64 | #endif /* !(_SPARC64_SMP_H) */ | ||
diff --git a/include/asm-sparc/spinlock.h b/include/asm-sparc/spinlock.h index de2249b267c6..3b71c50b72eb 100644 --- a/include/asm-sparc/spinlock.h +++ b/include/asm-sparc/spinlock.h | |||
@@ -1,192 +1,8 @@ | |||
1 | /* spinlock.h: 32-bit Sparc spinlock support. | 1 | #ifndef ___ASM_SPARC_SPINLOCK_H |
2 | * | 2 | #define ___ASM_SPARC_SPINLOCK_H |
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | */ | 4 | #include <asm-sparc/spinlock_64.h> |
5 | 5 | #else | |
6 | #ifndef __SPARC_SPINLOCK_H | 6 | #include <asm-sparc/spinlock_32.h> |
7 | #define __SPARC_SPINLOCK_H | 7 | #endif |
8 | 8 | #endif | |
9 | #include <linux/threads.h> /* For NR_CPUS */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | |||
13 | #include <asm/psr.h> | ||
14 | |||
15 | #define __raw_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) | ||
16 | |||
17 | #define __raw_spin_unlock_wait(lock) \ | ||
18 | do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) | ||
19 | |||
20 | static inline void __raw_spin_lock(raw_spinlock_t *lock) | ||
21 | { | ||
22 | __asm__ __volatile__( | ||
23 | "\n1:\n\t" | ||
24 | "ldstub [%0], %%g2\n\t" | ||
25 | "orcc %%g2, 0x0, %%g0\n\t" | ||
26 | "bne,a 2f\n\t" | ||
27 | " ldub [%0], %%g2\n\t" | ||
28 | ".subsection 2\n" | ||
29 | "2:\n\t" | ||
30 | "orcc %%g2, 0x0, %%g0\n\t" | ||
31 | "bne,a 2b\n\t" | ||
32 | " ldub [%0], %%g2\n\t" | ||
33 | "b,a 1b\n\t" | ||
34 | ".previous\n" | ||
35 | : /* no outputs */ | ||
36 | : "r" (lock) | ||
37 | : "g2", "memory", "cc"); | ||
38 | } | ||
39 | |||
40 | static inline int __raw_spin_trylock(raw_spinlock_t *lock) | ||
41 | { | ||
42 | unsigned int result; | ||
43 | __asm__ __volatile__("ldstub [%1], %0" | ||
44 | : "=r" (result) | ||
45 | : "r" (lock) | ||
46 | : "memory"); | ||
47 | return (result == 0); | ||
48 | } | ||
49 | |||
50 | static inline void __raw_spin_unlock(raw_spinlock_t *lock) | ||
51 | { | ||
52 | __asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory"); | ||
53 | } | ||
54 | |||
55 | /* Read-write spinlocks, allowing multiple readers | ||
56 | * but only one writer. | ||
57 | * | ||
58 | * NOTE! it is quite common to have readers in interrupts | ||
59 | * but no interrupt writers. For those circumstances we | ||
60 | * can "mix" irq-safe locks - any writer needs to get a | ||
61 | * irq-safe write-lock, but readers can get non-irqsafe | ||
62 | * read-locks. | ||
63 | * | ||
64 | * XXX This might create some problems with my dual spinlock | ||
65 | * XXX scheme, deadlocks etc. -DaveM | ||
66 | * | ||
67 | * Sort of like atomic_t's on Sparc, but even more clever. | ||
68 | * | ||
69 | * ------------------------------------ | ||
70 | * | 24-bit counter | wlock | raw_rwlock_t | ||
71 | * ------------------------------------ | ||
72 | * 31 8 7 0 | ||
73 | * | ||
74 | * wlock signifies the one writer is in or somebody is updating | ||
75 | * counter. For a writer, if he successfully acquires the wlock, | ||
76 | * but counter is non-zero, he has to release the lock and wait, | ||
77 | * till both counter and wlock are zero. | ||
78 | * | ||
79 | * Unfortunately this scheme limits us to ~16,000,000 cpus. | ||
80 | */ | ||
81 | static inline void __read_lock(raw_rwlock_t *rw) | ||
82 | { | ||
83 | register raw_rwlock_t *lp asm("g1"); | ||
84 | lp = rw; | ||
85 | __asm__ __volatile__( | ||
86 | "mov %%o7, %%g4\n\t" | ||
87 | "call ___rw_read_enter\n\t" | ||
88 | " ldstub [%%g1 + 3], %%g2\n" | ||
89 | : /* no outputs */ | ||
90 | : "r" (lp) | ||
91 | : "g2", "g4", "memory", "cc"); | ||
92 | } | ||
93 | |||
94 | #define __raw_read_lock(lock) \ | ||
95 | do { unsigned long flags; \ | ||
96 | local_irq_save(flags); \ | ||
97 | __read_lock(lock); \ | ||
98 | local_irq_restore(flags); \ | ||
99 | } while(0) | ||
100 | |||
101 | static inline void __read_unlock(raw_rwlock_t *rw) | ||
102 | { | ||
103 | register raw_rwlock_t *lp asm("g1"); | ||
104 | lp = rw; | ||
105 | __asm__ __volatile__( | ||
106 | "mov %%o7, %%g4\n\t" | ||
107 | "call ___rw_read_exit\n\t" | ||
108 | " ldstub [%%g1 + 3], %%g2\n" | ||
109 | : /* no outputs */ | ||
110 | : "r" (lp) | ||
111 | : "g2", "g4", "memory", "cc"); | ||
112 | } | ||
113 | |||
114 | #define __raw_read_unlock(lock) \ | ||
115 | do { unsigned long flags; \ | ||
116 | local_irq_save(flags); \ | ||
117 | __read_unlock(lock); \ | ||
118 | local_irq_restore(flags); \ | ||
119 | } while(0) | ||
120 | |||
121 | static inline void __raw_write_lock(raw_rwlock_t *rw) | ||
122 | { | ||
123 | register raw_rwlock_t *lp asm("g1"); | ||
124 | lp = rw; | ||
125 | __asm__ __volatile__( | ||
126 | "mov %%o7, %%g4\n\t" | ||
127 | "call ___rw_write_enter\n\t" | ||
128 | " ldstub [%%g1 + 3], %%g2\n" | ||
129 | : /* no outputs */ | ||
130 | : "r" (lp) | ||
131 | : "g2", "g4", "memory", "cc"); | ||
132 | *(volatile __u32 *)&lp->lock = ~0U; | ||
133 | } | ||
134 | |||
135 | static inline int __raw_write_trylock(raw_rwlock_t *rw) | ||
136 | { | ||
137 | unsigned int val; | ||
138 | |||
139 | __asm__ __volatile__("ldstub [%1 + 3], %0" | ||
140 | : "=r" (val) | ||
141 | : "r" (&rw->lock) | ||
142 | : "memory"); | ||
143 | |||
144 | if (val == 0) { | ||
145 | val = rw->lock & ~0xff; | ||
146 | if (val) | ||
147 | ((volatile u8*)&rw->lock)[3] = 0; | ||
148 | else | ||
149 | *(volatile u32*)&rw->lock = ~0U; | ||
150 | } | ||
151 | |||
152 | return (val == 0); | ||
153 | } | ||
154 | |||
155 | static inline int __read_trylock(raw_rwlock_t *rw) | ||
156 | { | ||
157 | register raw_rwlock_t *lp asm("g1"); | ||
158 | register int res asm("o0"); | ||
159 | lp = rw; | ||
160 | __asm__ __volatile__( | ||
161 | "mov %%o7, %%g4\n\t" | ||
162 | "call ___rw_read_try\n\t" | ||
163 | " ldstub [%%g1 + 3], %%g2\n" | ||
164 | : "=r" (res) | ||
165 | : "r" (lp) | ||
166 | : "g2", "g4", "memory", "cc"); | ||
167 | return res; | ||
168 | } | ||
169 | |||
170 | #define __raw_read_trylock(lock) \ | ||
171 | ({ unsigned long flags; \ | ||
172 | int res; \ | ||
173 | local_irq_save(flags); \ | ||
174 | res = __read_trylock(lock); \ | ||
175 | local_irq_restore(flags); \ | ||
176 | res; \ | ||
177 | }) | ||
178 | |||
179 | #define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0) | ||
180 | |||
181 | #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) | ||
182 | |||
183 | #define _raw_spin_relax(lock) cpu_relax() | ||
184 | #define _raw_read_relax(lock) cpu_relax() | ||
185 | #define _raw_write_relax(lock) cpu_relax() | ||
186 | |||
187 | #define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) | ||
188 | #define __raw_write_can_lock(rw) (!(rw)->lock) | ||
189 | |||
190 | #endif /* !(__ASSEMBLY__) */ | ||
191 | |||
192 | #endif /* __SPARC_SPINLOCK_H */ | ||
diff --git a/include/asm-sparc/spinlock_32.h b/include/asm-sparc/spinlock_32.h new file mode 100644 index 000000000000..de2249b267c6 --- /dev/null +++ b/include/asm-sparc/spinlock_32.h | |||
@@ -0,0 +1,192 @@ | |||
1 | /* spinlock.h: 32-bit Sparc spinlock support. | ||
2 | * | ||
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | |||
6 | #ifndef __SPARC_SPINLOCK_H | ||
7 | #define __SPARC_SPINLOCK_H | ||
8 | |||
9 | #include <linux/threads.h> /* For NR_CPUS */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | |||
13 | #include <asm/psr.h> | ||
14 | |||
15 | #define __raw_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) | ||
16 | |||
17 | #define __raw_spin_unlock_wait(lock) \ | ||
18 | do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) | ||
19 | |||
20 | static inline void __raw_spin_lock(raw_spinlock_t *lock) | ||
21 | { | ||
22 | __asm__ __volatile__( | ||
23 | "\n1:\n\t" | ||
24 | "ldstub [%0], %%g2\n\t" | ||
25 | "orcc %%g2, 0x0, %%g0\n\t" | ||
26 | "bne,a 2f\n\t" | ||
27 | " ldub [%0], %%g2\n\t" | ||
28 | ".subsection 2\n" | ||
29 | "2:\n\t" | ||
30 | "orcc %%g2, 0x0, %%g0\n\t" | ||
31 | "bne,a 2b\n\t" | ||
32 | " ldub [%0], %%g2\n\t" | ||
33 | "b,a 1b\n\t" | ||
34 | ".previous\n" | ||
35 | : /* no outputs */ | ||
36 | : "r" (lock) | ||
37 | : "g2", "memory", "cc"); | ||
38 | } | ||
39 | |||
40 | static inline int __raw_spin_trylock(raw_spinlock_t *lock) | ||
41 | { | ||
42 | unsigned int result; | ||
43 | __asm__ __volatile__("ldstub [%1], %0" | ||
44 | : "=r" (result) | ||
45 | : "r" (lock) | ||
46 | : "memory"); | ||
47 | return (result == 0); | ||
48 | } | ||
49 | |||
50 | static inline void __raw_spin_unlock(raw_spinlock_t *lock) | ||
51 | { | ||
52 | __asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory"); | ||
53 | } | ||
54 | |||
55 | /* Read-write spinlocks, allowing multiple readers | ||
56 | * but only one writer. | ||
57 | * | ||
58 | * NOTE! it is quite common to have readers in interrupts | ||
59 | * but no interrupt writers. For those circumstances we | ||
60 | * can "mix" irq-safe locks - any writer needs to get a | ||
61 | * irq-safe write-lock, but readers can get non-irqsafe | ||
62 | * read-locks. | ||
63 | * | ||
64 | * XXX This might create some problems with my dual spinlock | ||
65 | * XXX scheme, deadlocks etc. -DaveM | ||
66 | * | ||
67 | * Sort of like atomic_t's on Sparc, but even more clever. | ||
68 | * | ||
69 | * ------------------------------------ | ||
70 | * | 24-bit counter | wlock | raw_rwlock_t | ||
71 | * ------------------------------------ | ||
72 | * 31 8 7 0 | ||
73 | * | ||
74 | * wlock signifies the one writer is in or somebody is updating | ||
75 | * counter. For a writer, if he successfully acquires the wlock, | ||
76 | * but counter is non-zero, he has to release the lock and wait, | ||
77 | * till both counter and wlock are zero. | ||
78 | * | ||
79 | * Unfortunately this scheme limits us to ~16,000,000 cpus. | ||
80 | */ | ||
81 | static inline void __read_lock(raw_rwlock_t *rw) | ||
82 | { | ||
83 | register raw_rwlock_t *lp asm("g1"); | ||
84 | lp = rw; | ||
85 | __asm__ __volatile__( | ||
86 | "mov %%o7, %%g4\n\t" | ||
87 | "call ___rw_read_enter\n\t" | ||
88 | " ldstub [%%g1 + 3], %%g2\n" | ||
89 | : /* no outputs */ | ||
90 | : "r" (lp) | ||
91 | : "g2", "g4", "memory", "cc"); | ||
92 | } | ||
93 | |||
94 | #define __raw_read_lock(lock) \ | ||
95 | do { unsigned long flags; \ | ||
96 | local_irq_save(flags); \ | ||
97 | __read_lock(lock); \ | ||
98 | local_irq_restore(flags); \ | ||
99 | } while(0) | ||
100 | |||
101 | static inline void __read_unlock(raw_rwlock_t *rw) | ||
102 | { | ||
103 | register raw_rwlock_t *lp asm("g1"); | ||
104 | lp = rw; | ||
105 | __asm__ __volatile__( | ||
106 | "mov %%o7, %%g4\n\t" | ||
107 | "call ___rw_read_exit\n\t" | ||
108 | " ldstub [%%g1 + 3], %%g2\n" | ||
109 | : /* no outputs */ | ||
110 | : "r" (lp) | ||
111 | : "g2", "g4", "memory", "cc"); | ||
112 | } | ||
113 | |||
114 | #define __raw_read_unlock(lock) \ | ||
115 | do { unsigned long flags; \ | ||
116 | local_irq_save(flags); \ | ||
117 | __read_unlock(lock); \ | ||
118 | local_irq_restore(flags); \ | ||
119 | } while(0) | ||
120 | |||
121 | static inline void __raw_write_lock(raw_rwlock_t *rw) | ||
122 | { | ||
123 | register raw_rwlock_t *lp asm("g1"); | ||
124 | lp = rw; | ||
125 | __asm__ __volatile__( | ||
126 | "mov %%o7, %%g4\n\t" | ||
127 | "call ___rw_write_enter\n\t" | ||
128 | " ldstub [%%g1 + 3], %%g2\n" | ||
129 | : /* no outputs */ | ||
130 | : "r" (lp) | ||
131 | : "g2", "g4", "memory", "cc"); | ||
132 | *(volatile __u32 *)&lp->lock = ~0U; | ||
133 | } | ||
134 | |||
135 | static inline int __raw_write_trylock(raw_rwlock_t *rw) | ||
136 | { | ||
137 | unsigned int val; | ||
138 | |||
139 | __asm__ __volatile__("ldstub [%1 + 3], %0" | ||
140 | : "=r" (val) | ||
141 | : "r" (&rw->lock) | ||
142 | : "memory"); | ||
143 | |||
144 | if (val == 0) { | ||
145 | val = rw->lock & ~0xff; | ||
146 | if (val) | ||
147 | ((volatile u8*)&rw->lock)[3] = 0; | ||
148 | else | ||
149 | *(volatile u32*)&rw->lock = ~0U; | ||
150 | } | ||
151 | |||
152 | return (val == 0); | ||
153 | } | ||
154 | |||
155 | static inline int __read_trylock(raw_rwlock_t *rw) | ||
156 | { | ||
157 | register raw_rwlock_t *lp asm("g1"); | ||
158 | register int res asm("o0"); | ||
159 | lp = rw; | ||
160 | __asm__ __volatile__( | ||
161 | "mov %%o7, %%g4\n\t" | ||
162 | "call ___rw_read_try\n\t" | ||
163 | " ldstub [%%g1 + 3], %%g2\n" | ||
164 | : "=r" (res) | ||
165 | : "r" (lp) | ||
166 | : "g2", "g4", "memory", "cc"); | ||
167 | return res; | ||
168 | } | ||
169 | |||
170 | #define __raw_read_trylock(lock) \ | ||
171 | ({ unsigned long flags; \ | ||
172 | int res; \ | ||
173 | local_irq_save(flags); \ | ||
174 | res = __read_trylock(lock); \ | ||
175 | local_irq_restore(flags); \ | ||
176 | res; \ | ||
177 | }) | ||
178 | |||
179 | #define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0) | ||
180 | |||
181 | #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) | ||
182 | |||
183 | #define _raw_spin_relax(lock) cpu_relax() | ||
184 | #define _raw_read_relax(lock) cpu_relax() | ||
185 | #define _raw_write_relax(lock) cpu_relax() | ||
186 | |||
187 | #define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) | ||
188 | #define __raw_write_can_lock(rw) (!(rw)->lock) | ||
189 | |||
190 | #endif /* !(__ASSEMBLY__) */ | ||
191 | |||
192 | #endif /* __SPARC_SPINLOCK_H */ | ||
diff --git a/include/asm-sparc/spinlock_64.h b/include/asm-sparc/spinlock_64.h new file mode 100644 index 000000000000..0006fe9f8c7a --- /dev/null +++ b/include/asm-sparc/spinlock_64.h | |||
@@ -0,0 +1,250 @@ | |||
1 | /* spinlock.h: 64-bit Sparc spinlock support. | ||
2 | * | ||
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | |||
6 | #ifndef __SPARC64_SPINLOCK_H | ||
7 | #define __SPARC64_SPINLOCK_H | ||
8 | |||
9 | #include <linux/threads.h> /* For NR_CPUS */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | |||
13 | /* To get debugging spinlocks which detect and catch | ||
14 | * deadlock situations, set CONFIG_DEBUG_SPINLOCK | ||
15 | * and rebuild your kernel. | ||
16 | */ | ||
17 | |||
18 | /* All of these locking primitives are expected to work properly | ||
19 | * even in an RMO memory model, which currently is what the kernel | ||
20 | * runs in. | ||
21 | * | ||
22 | * There is another issue. Because we play games to save cycles | ||
23 | * in the non-contention case, we need to be extra careful about | ||
24 | * branch targets into the "spinning" code. They live in their | ||
25 | * own section, but the newer V9 branches have a shorter range | ||
26 | * than the traditional 32-bit sparc branch variants. The rule | ||
27 | * is that the branches that go into and out of the spinner sections | ||
28 | * must be pre-V9 branches. | ||
29 | */ | ||
30 | |||
31 | #define __raw_spin_is_locked(lp) ((lp)->lock != 0) | ||
32 | |||
33 | #define __raw_spin_unlock_wait(lp) \ | ||
34 | do { rmb(); \ | ||
35 | } while((lp)->lock) | ||
36 | |||
37 | static inline void __raw_spin_lock(raw_spinlock_t *lock) | ||
38 | { | ||
39 | unsigned long tmp; | ||
40 | |||
41 | __asm__ __volatile__( | ||
42 | "1: ldstub [%1], %0\n" | ||
43 | " membar #StoreLoad | #StoreStore\n" | ||
44 | " brnz,pn %0, 2f\n" | ||
45 | " nop\n" | ||
46 | " .subsection 2\n" | ||
47 | "2: ldub [%1], %0\n" | ||
48 | " membar #LoadLoad\n" | ||
49 | " brnz,pt %0, 2b\n" | ||
50 | " nop\n" | ||
51 | " ba,a,pt %%xcc, 1b\n" | ||
52 | " .previous" | ||
53 | : "=&r" (tmp) | ||
54 | : "r" (lock) | ||
55 | : "memory"); | ||
56 | } | ||
57 | |||
58 | static inline int __raw_spin_trylock(raw_spinlock_t *lock) | ||
59 | { | ||
60 | unsigned long result; | ||
61 | |||
62 | __asm__ __volatile__( | ||
63 | " ldstub [%1], %0\n" | ||
64 | " membar #StoreLoad | #StoreStore" | ||
65 | : "=r" (result) | ||
66 | : "r" (lock) | ||
67 | : "memory"); | ||
68 | |||
69 | return (result == 0UL); | ||
70 | } | ||
71 | |||
72 | static inline void __raw_spin_unlock(raw_spinlock_t *lock) | ||
73 | { | ||
74 | __asm__ __volatile__( | ||
75 | " membar #StoreStore | #LoadStore\n" | ||
76 | " stb %%g0, [%0]" | ||
77 | : /* No outputs */ | ||
78 | : "r" (lock) | ||
79 | : "memory"); | ||
80 | } | ||
81 | |||
82 | static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) | ||
83 | { | ||
84 | unsigned long tmp1, tmp2; | ||
85 | |||
86 | __asm__ __volatile__( | ||
87 | "1: ldstub [%2], %0\n" | ||
88 | " membar #StoreLoad | #StoreStore\n" | ||
89 | " brnz,pn %0, 2f\n" | ||
90 | " nop\n" | ||
91 | " .subsection 2\n" | ||
92 | "2: rdpr %%pil, %1\n" | ||
93 | " wrpr %3, %%pil\n" | ||
94 | "3: ldub [%2], %0\n" | ||
95 | " membar #LoadLoad\n" | ||
96 | " brnz,pt %0, 3b\n" | ||
97 | " nop\n" | ||
98 | " ba,pt %%xcc, 1b\n" | ||
99 | " wrpr %1, %%pil\n" | ||
100 | " .previous" | ||
101 | : "=&r" (tmp1), "=&r" (tmp2) | ||
102 | : "r"(lock), "r"(flags) | ||
103 | : "memory"); | ||
104 | } | ||
105 | |||
106 | /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ | ||
107 | |||
108 | static void inline __read_lock(raw_rwlock_t *lock) | ||
109 | { | ||
110 | unsigned long tmp1, tmp2; | ||
111 | |||
112 | __asm__ __volatile__ ( | ||
113 | "1: ldsw [%2], %0\n" | ||
114 | " brlz,pn %0, 2f\n" | ||
115 | "4: add %0, 1, %1\n" | ||
116 | " cas [%2], %0, %1\n" | ||
117 | " cmp %0, %1\n" | ||
118 | " membar #StoreLoad | #StoreStore\n" | ||
119 | " bne,pn %%icc, 1b\n" | ||
120 | " nop\n" | ||
121 | " .subsection 2\n" | ||
122 | "2: ldsw [%2], %0\n" | ||
123 | " membar #LoadLoad\n" | ||
124 | " brlz,pt %0, 2b\n" | ||
125 | " nop\n" | ||
126 | " ba,a,pt %%xcc, 4b\n" | ||
127 | " .previous" | ||
128 | : "=&r" (tmp1), "=&r" (tmp2) | ||
129 | : "r" (lock) | ||
130 | : "memory"); | ||
131 | } | ||
132 | |||
133 | static int inline __read_trylock(raw_rwlock_t *lock) | ||
134 | { | ||
135 | int tmp1, tmp2; | ||
136 | |||
137 | __asm__ __volatile__ ( | ||
138 | "1: ldsw [%2], %0\n" | ||
139 | " brlz,a,pn %0, 2f\n" | ||
140 | " mov 0, %0\n" | ||
141 | " add %0, 1, %1\n" | ||
142 | " cas [%2], %0, %1\n" | ||
143 | " cmp %0, %1\n" | ||
144 | " membar #StoreLoad | #StoreStore\n" | ||
145 | " bne,pn %%icc, 1b\n" | ||
146 | " mov 1, %0\n" | ||
147 | "2:" | ||
148 | : "=&r" (tmp1), "=&r" (tmp2) | ||
149 | : "r" (lock) | ||
150 | : "memory"); | ||
151 | |||
152 | return tmp1; | ||
153 | } | ||
154 | |||
155 | static void inline __read_unlock(raw_rwlock_t *lock) | ||
156 | { | ||
157 | unsigned long tmp1, tmp2; | ||
158 | |||
159 | __asm__ __volatile__( | ||
160 | " membar #StoreLoad | #LoadLoad\n" | ||
161 | "1: lduw [%2], %0\n" | ||
162 | " sub %0, 1, %1\n" | ||
163 | " cas [%2], %0, %1\n" | ||
164 | " cmp %0, %1\n" | ||
165 | " bne,pn %%xcc, 1b\n" | ||
166 | " nop" | ||
167 | : "=&r" (tmp1), "=&r" (tmp2) | ||
168 | : "r" (lock) | ||
169 | : "memory"); | ||
170 | } | ||
171 | |||
172 | static void inline __write_lock(raw_rwlock_t *lock) | ||
173 | { | ||
174 | unsigned long mask, tmp1, tmp2; | ||
175 | |||
176 | mask = 0x80000000UL; | ||
177 | |||
178 | __asm__ __volatile__( | ||
179 | "1: lduw [%2], %0\n" | ||
180 | " brnz,pn %0, 2f\n" | ||
181 | "4: or %0, %3, %1\n" | ||
182 | " cas [%2], %0, %1\n" | ||
183 | " cmp %0, %1\n" | ||
184 | " membar #StoreLoad | #StoreStore\n" | ||
185 | " bne,pn %%icc, 1b\n" | ||
186 | " nop\n" | ||
187 | " .subsection 2\n" | ||
188 | "2: lduw [%2], %0\n" | ||
189 | " membar #LoadLoad\n" | ||
190 | " brnz,pt %0, 2b\n" | ||
191 | " nop\n" | ||
192 | " ba,a,pt %%xcc, 4b\n" | ||
193 | " .previous" | ||
194 | : "=&r" (tmp1), "=&r" (tmp2) | ||
195 | : "r" (lock), "r" (mask) | ||
196 | : "memory"); | ||
197 | } | ||
198 | |||
199 | static void inline __write_unlock(raw_rwlock_t *lock) | ||
200 | { | ||
201 | __asm__ __volatile__( | ||
202 | " membar #LoadStore | #StoreStore\n" | ||
203 | " stw %%g0, [%0]" | ||
204 | : /* no outputs */ | ||
205 | : "r" (lock) | ||
206 | : "memory"); | ||
207 | } | ||
208 | |||
209 | static int inline __write_trylock(raw_rwlock_t *lock) | ||
210 | { | ||
211 | unsigned long mask, tmp1, tmp2, result; | ||
212 | |||
213 | mask = 0x80000000UL; | ||
214 | |||
215 | __asm__ __volatile__( | ||
216 | " mov 0, %2\n" | ||
217 | "1: lduw [%3], %0\n" | ||
218 | " brnz,pn %0, 2f\n" | ||
219 | " or %0, %4, %1\n" | ||
220 | " cas [%3], %0, %1\n" | ||
221 | " cmp %0, %1\n" | ||
222 | " membar #StoreLoad | #StoreStore\n" | ||
223 | " bne,pn %%icc, 1b\n" | ||
224 | " nop\n" | ||
225 | " mov 1, %2\n" | ||
226 | "2:" | ||
227 | : "=&r" (tmp1), "=&r" (tmp2), "=&r" (result) | ||
228 | : "r" (lock), "r" (mask) | ||
229 | : "memory"); | ||
230 | |||
231 | return result; | ||
232 | } | ||
233 | |||
234 | #define __raw_read_lock(p) __read_lock(p) | ||
235 | #define __raw_read_trylock(p) __read_trylock(p) | ||
236 | #define __raw_read_unlock(p) __read_unlock(p) | ||
237 | #define __raw_write_lock(p) __write_lock(p) | ||
238 | #define __raw_write_unlock(p) __write_unlock(p) | ||
239 | #define __raw_write_trylock(p) __write_trylock(p) | ||
240 | |||
241 | #define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) | ||
242 | #define __raw_write_can_lock(rw) (!(rw)->lock) | ||
243 | |||
244 | #define _raw_spin_relax(lock) cpu_relax() | ||
245 | #define _raw_read_relax(lock) cpu_relax() | ||
246 | #define _raw_write_relax(lock) cpu_relax() | ||
247 | |||
248 | #endif /* !(__ASSEMBLY__) */ | ||
249 | |||
250 | #endif /* !(__SPARC64_SPINLOCK_H) */ | ||
diff --git a/include/asm-sparc/stat.h b/include/asm-sparc/stat.h index 2299e1d5d94c..9fdcaf8c9cd3 100644 --- a/include/asm-sparc/stat.h +++ b/include/asm-sparc/stat.h | |||
@@ -1,76 +1,8 @@ | |||
1 | #ifndef _SPARC_STAT_H | 1 | #ifndef ___ASM_SPARC_STAT_H |
2 | #define _SPARC_STAT_H | 2 | #define ___ASM_SPARC_STAT_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/types.h> | 4 | #include <asm-sparc/stat_64.h> |
5 | 5 | #else | |
6 | struct __old_kernel_stat { | 6 | #include <asm-sparc/stat_32.h> |
7 | unsigned short st_dev; | 7 | #endif |
8 | unsigned short st_ino; | ||
9 | unsigned short st_mode; | ||
10 | unsigned short st_nlink; | ||
11 | unsigned short st_uid; | ||
12 | unsigned short st_gid; | ||
13 | unsigned short st_rdev; | ||
14 | unsigned long st_size; | ||
15 | unsigned long st_atime; | ||
16 | unsigned long st_mtime; | ||
17 | unsigned long st_ctime; | ||
18 | }; | ||
19 | |||
20 | struct stat { | ||
21 | unsigned short st_dev; | ||
22 | unsigned long st_ino; | ||
23 | unsigned short st_mode; | ||
24 | short st_nlink; | ||
25 | unsigned short st_uid; | ||
26 | unsigned short st_gid; | ||
27 | unsigned short st_rdev; | ||
28 | long st_size; | ||
29 | long st_atime; | ||
30 | unsigned long st_atime_nsec; | ||
31 | long st_mtime; | ||
32 | unsigned long st_mtime_nsec; | ||
33 | long st_ctime; | ||
34 | unsigned long st_ctime_nsec; | ||
35 | long st_blksize; | ||
36 | long st_blocks; | ||
37 | unsigned long __unused4[2]; | ||
38 | }; | ||
39 | |||
40 | #define STAT_HAVE_NSEC 1 | ||
41 | |||
42 | struct stat64 { | ||
43 | unsigned long long st_dev; | ||
44 | |||
45 | unsigned long long st_ino; | ||
46 | |||
47 | unsigned int st_mode; | ||
48 | unsigned int st_nlink; | ||
49 | |||
50 | unsigned int st_uid; | ||
51 | unsigned int st_gid; | ||
52 | |||
53 | unsigned long long st_rdev; | ||
54 | |||
55 | unsigned char __pad3[8]; | ||
56 | |||
57 | long long st_size; | ||
58 | unsigned int st_blksize; | ||
59 | |||
60 | unsigned char __pad4[8]; | ||
61 | unsigned int st_blocks; | ||
62 | |||
63 | unsigned int st_atime; | ||
64 | unsigned int st_atime_nsec; | ||
65 | |||
66 | unsigned int st_mtime; | ||
67 | unsigned int st_mtime_nsec; | ||
68 | |||
69 | unsigned int st_ctime; | ||
70 | unsigned int st_ctime_nsec; | ||
71 | |||
72 | unsigned int __unused4; | ||
73 | unsigned int __unused5; | ||
74 | }; | ||
75 | |||
76 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/stat_32.h b/include/asm-sparc/stat_32.h new file mode 100644 index 000000000000..2299e1d5d94c --- /dev/null +++ b/include/asm-sparc/stat_32.h | |||
@@ -0,0 +1,76 @@ | |||
1 | #ifndef _SPARC_STAT_H | ||
2 | #define _SPARC_STAT_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | struct __old_kernel_stat { | ||
7 | unsigned short st_dev; | ||
8 | unsigned short st_ino; | ||
9 | unsigned short st_mode; | ||
10 | unsigned short st_nlink; | ||
11 | unsigned short st_uid; | ||
12 | unsigned short st_gid; | ||
13 | unsigned short st_rdev; | ||
14 | unsigned long st_size; | ||
15 | unsigned long st_atime; | ||
16 | unsigned long st_mtime; | ||
17 | unsigned long st_ctime; | ||
18 | }; | ||
19 | |||
20 | struct stat { | ||
21 | unsigned short st_dev; | ||
22 | unsigned long st_ino; | ||
23 | unsigned short st_mode; | ||
24 | short st_nlink; | ||
25 | unsigned short st_uid; | ||
26 | unsigned short st_gid; | ||
27 | unsigned short st_rdev; | ||
28 | long st_size; | ||
29 | long st_atime; | ||
30 | unsigned long st_atime_nsec; | ||
31 | long st_mtime; | ||
32 | unsigned long st_mtime_nsec; | ||
33 | long st_ctime; | ||
34 | unsigned long st_ctime_nsec; | ||
35 | long st_blksize; | ||
36 | long st_blocks; | ||
37 | unsigned long __unused4[2]; | ||
38 | }; | ||
39 | |||
40 | #define STAT_HAVE_NSEC 1 | ||
41 | |||
42 | struct stat64 { | ||
43 | unsigned long long st_dev; | ||
44 | |||
45 | unsigned long long st_ino; | ||
46 | |||
47 | unsigned int st_mode; | ||
48 | unsigned int st_nlink; | ||
49 | |||
50 | unsigned int st_uid; | ||
51 | unsigned int st_gid; | ||
52 | |||
53 | unsigned long long st_rdev; | ||
54 | |||
55 | unsigned char __pad3[8]; | ||
56 | |||
57 | long long st_size; | ||
58 | unsigned int st_blksize; | ||
59 | |||
60 | unsigned char __pad4[8]; | ||
61 | unsigned int st_blocks; | ||
62 | |||
63 | unsigned int st_atime; | ||
64 | unsigned int st_atime_nsec; | ||
65 | |||
66 | unsigned int st_mtime; | ||
67 | unsigned int st_mtime_nsec; | ||
68 | |||
69 | unsigned int st_ctime; | ||
70 | unsigned int st_ctime_nsec; | ||
71 | |||
72 | unsigned int __unused4; | ||
73 | unsigned int __unused5; | ||
74 | }; | ||
75 | |||
76 | #endif | ||
diff --git a/include/asm-sparc/stat_64.h b/include/asm-sparc/stat_64.h new file mode 100644 index 000000000000..9650fdea847f --- /dev/null +++ b/include/asm-sparc/stat_64.h | |||
@@ -0,0 +1,47 @@ | |||
1 | #ifndef _SPARC64_STAT_H | ||
2 | #define _SPARC64_STAT_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | struct stat { | ||
7 | unsigned st_dev; | ||
8 | ino_t st_ino; | ||
9 | mode_t st_mode; | ||
10 | short st_nlink; | ||
11 | uid_t st_uid; | ||
12 | gid_t st_gid; | ||
13 | unsigned st_rdev; | ||
14 | off_t st_size; | ||
15 | time_t st_atime; | ||
16 | time_t st_mtime; | ||
17 | time_t st_ctime; | ||
18 | off_t st_blksize; | ||
19 | off_t st_blocks; | ||
20 | unsigned long __unused4[2]; | ||
21 | }; | ||
22 | |||
23 | struct stat64 { | ||
24 | unsigned long st_dev; | ||
25 | unsigned long st_ino; | ||
26 | unsigned long st_nlink; | ||
27 | |||
28 | unsigned int st_mode; | ||
29 | unsigned int st_uid; | ||
30 | unsigned int st_gid; | ||
31 | unsigned int __pad0; | ||
32 | |||
33 | unsigned long st_rdev; | ||
34 | long st_size; | ||
35 | long st_blksize; | ||
36 | long st_blocks; | ||
37 | |||
38 | unsigned long st_atime; | ||
39 | unsigned long st_atime_nsec; | ||
40 | unsigned long st_mtime; | ||
41 | unsigned long st_mtime_nsec; | ||
42 | unsigned long st_ctime; | ||
43 | unsigned long st_ctime_nsec; | ||
44 | long __unused[3]; | ||
45 | }; | ||
46 | |||
47 | #endif | ||
diff --git a/include/asm-sparc/statfs.h b/include/asm-sparc/statfs.h index 304520fa8863..a70cc52e7018 100644 --- a/include/asm-sparc/statfs.h +++ b/include/asm-sparc/statfs.h | |||
@@ -1,6 +1,8 @@ | |||
1 | #ifndef _SPARC_STATFS_H | 1 | #ifndef ___ASM_SPARC_STATFS_H |
2 | #define _SPARC_STATFS_H | 2 | #define ___ASM_SPARC_STATFS_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm-generic/statfs.h> | 4 | #include <asm-sparc/statfs_64.h> |
5 | 5 | #else | |
6 | #include <asm-sparc/statfs_32.h> | ||
7 | #endif | ||
6 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/statfs_32.h b/include/asm-sparc/statfs_32.h new file mode 100644 index 000000000000..304520fa8863 --- /dev/null +++ b/include/asm-sparc/statfs_32.h | |||
@@ -0,0 +1,6 @@ | |||
1 | #ifndef _SPARC_STATFS_H | ||
2 | #define _SPARC_STATFS_H | ||
3 | |||
4 | #include <asm-generic/statfs.h> | ||
5 | |||
6 | #endif | ||
diff --git a/include/asm-sparc/statfs_64.h b/include/asm-sparc/statfs_64.h new file mode 100644 index 000000000000..79b3c890a5fa --- /dev/null +++ b/include/asm-sparc/statfs_64.h | |||
@@ -0,0 +1,54 @@ | |||
1 | #ifndef _SPARC64_STATFS_H | ||
2 | #define _SPARC64_STATFS_H | ||
3 | |||
4 | #ifndef __KERNEL_STRICT_NAMES | ||
5 | |||
6 | #include <linux/types.h> | ||
7 | |||
8 | typedef __kernel_fsid_t fsid_t; | ||
9 | |||
10 | #endif | ||
11 | |||
12 | struct statfs { | ||
13 | long f_type; | ||
14 | long f_bsize; | ||
15 | long f_blocks; | ||
16 | long f_bfree; | ||
17 | long f_bavail; | ||
18 | long f_files; | ||
19 | long f_ffree; | ||
20 | __kernel_fsid_t f_fsid; | ||
21 | long f_namelen; | ||
22 | long f_frsize; | ||
23 | long f_spare[5]; | ||
24 | }; | ||
25 | |||
26 | struct statfs64 { | ||
27 | long f_type; | ||
28 | long f_bsize; | ||
29 | long f_blocks; | ||
30 | long f_bfree; | ||
31 | long f_bavail; | ||
32 | long f_files; | ||
33 | long f_ffree; | ||
34 | __kernel_fsid_t f_fsid; | ||
35 | long f_namelen; | ||
36 | long f_frsize; | ||
37 | long f_spare[5]; | ||
38 | }; | ||
39 | |||
40 | struct compat_statfs64 { | ||
41 | __u32 f_type; | ||
42 | __u32 f_bsize; | ||
43 | __u64 f_blocks; | ||
44 | __u64 f_bfree; | ||
45 | __u64 f_bavail; | ||
46 | __u64 f_files; | ||
47 | __u64 f_ffree; | ||
48 | __kernel_fsid_t f_fsid; | ||
49 | __u32 f_namelen; | ||
50 | __u32 f_frsize; | ||
51 | __u32 f_spare[5]; | ||
52 | }; | ||
53 | |||
54 | #endif | ||
diff --git a/include/asm-sparc/string.h b/include/asm-sparc/string.h index 8d7c0dd4f299..14c04c7697a5 100644 --- a/include/asm-sparc/string.h +++ b/include/asm-sparc/string.h | |||
@@ -1,205 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_STRING_H |
2 | * string.h: External definitions for optimized assembly string | 2 | #define ___ASM_SPARC_STRING_H |
3 | * routines for the Linux Kernel. | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * | 4 | #include <asm-sparc/string_64.h> |
5 | * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) | 5 | #else |
6 | * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | 6 | #include <asm-sparc/string_32.h> |
7 | */ | 7 | #endif |
8 | 8 | #endif | |
9 | #ifndef __SPARC_STRING_H__ | ||
10 | #define __SPARC_STRING_H__ | ||
11 | |||
12 | #include <asm/page.h> | ||
13 | |||
14 | /* Really, userland/ksyms should not see any of this stuff. */ | ||
15 | |||
16 | #ifdef __KERNEL__ | ||
17 | |||
18 | extern void __memmove(void *,const void *,__kernel_size_t); | ||
19 | extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t); | ||
20 | extern __kernel_size_t __memset(void *,int,__kernel_size_t); | ||
21 | |||
22 | #ifndef EXPORT_SYMTAB_STROPS | ||
23 | |||
24 | /* First the mem*() things. */ | ||
25 | #define __HAVE_ARCH_MEMMOVE | ||
26 | #undef memmove | ||
27 | #define memmove(_to, _from, _n) \ | ||
28 | ({ \ | ||
29 | void *_t = (_to); \ | ||
30 | __memmove(_t, (_from), (_n)); \ | ||
31 | _t; \ | ||
32 | }) | ||
33 | |||
34 | #define __HAVE_ARCH_MEMCPY | ||
35 | |||
36 | static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n) | ||
37 | { | ||
38 | extern void __copy_1page(void *, const void *); | ||
39 | |||
40 | if(n <= 32) { | ||
41 | __builtin_memcpy(to, from, n); | ||
42 | } else if (((unsigned int) to & 7) != 0) { | ||
43 | /* Destination is not aligned on the double-word boundary */ | ||
44 | __memcpy(to, from, n); | ||
45 | } else { | ||
46 | switch(n) { | ||
47 | case PAGE_SIZE: | ||
48 | __copy_1page(to, from); | ||
49 | break; | ||
50 | default: | ||
51 | __memcpy(to, from, n); | ||
52 | break; | ||
53 | } | ||
54 | } | ||
55 | return to; | ||
56 | } | ||
57 | |||
58 | static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n) | ||
59 | { | ||
60 | __memcpy(to, from, n); | ||
61 | return to; | ||
62 | } | ||
63 | |||
64 | #undef memcpy | ||
65 | #define memcpy(t, f, n) \ | ||
66 | (__builtin_constant_p(n) ? \ | ||
67 | __constant_memcpy((t),(f),(n)) : \ | ||
68 | __nonconstant_memcpy((t),(f),(n))) | ||
69 | |||
70 | #define __HAVE_ARCH_MEMSET | ||
71 | |||
72 | static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count) | ||
73 | { | ||
74 | extern void bzero_1page(void *); | ||
75 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
76 | |||
77 | if(!c) { | ||
78 | if(count == PAGE_SIZE) | ||
79 | bzero_1page(s); | ||
80 | else | ||
81 | __bzero(s, count); | ||
82 | } else { | ||
83 | __memset(s, c, count); | ||
84 | } | ||
85 | return s; | ||
86 | } | ||
87 | |||
88 | static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count) | ||
89 | { | ||
90 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
91 | |||
92 | if(!c) | ||
93 | __bzero(s, count); | ||
94 | else | ||
95 | __memset(s, c, count); | ||
96 | return s; | ||
97 | } | ||
98 | |||
99 | static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count) | ||
100 | { | ||
101 | __memset(s, c, count); | ||
102 | return s; | ||
103 | } | ||
104 | |||
105 | #undef memset | ||
106 | #define memset(s, c, count) \ | ||
107 | (__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \ | ||
108 | __constant_c_and_count_memset((s), (c), (count)) : \ | ||
109 | __constant_c_memset((s), (c), (count))) \ | ||
110 | : __nonconstant_memset((s), (c), (count))) | ||
111 | |||
112 | #define __HAVE_ARCH_MEMSCAN | ||
113 | |||
114 | #undef memscan | ||
115 | #define memscan(__arg0, __char, __arg2) \ | ||
116 | ({ \ | ||
117 | extern void *__memscan_zero(void *, size_t); \ | ||
118 | extern void *__memscan_generic(void *, int, size_t); \ | ||
119 | void *__retval, *__addr = (__arg0); \ | ||
120 | size_t __size = (__arg2); \ | ||
121 | \ | ||
122 | if(__builtin_constant_p(__char) && !(__char)) \ | ||
123 | __retval = __memscan_zero(__addr, __size); \ | ||
124 | else \ | ||
125 | __retval = __memscan_generic(__addr, (__char), __size); \ | ||
126 | \ | ||
127 | __retval; \ | ||
128 | }) | ||
129 | |||
130 | #define __HAVE_ARCH_MEMCMP | ||
131 | extern int memcmp(const void *,const void *,__kernel_size_t); | ||
132 | |||
133 | /* Now the str*() stuff... */ | ||
134 | #define __HAVE_ARCH_STRLEN | ||
135 | extern __kernel_size_t strlen(const char *); | ||
136 | |||
137 | #define __HAVE_ARCH_STRNCMP | ||
138 | |||
139 | extern int __strncmp(const char *, const char *, __kernel_size_t); | ||
140 | |||
141 | static inline int __constant_strncmp(const char *src, const char *dest, __kernel_size_t count) | ||
142 | { | ||
143 | register int retval; | ||
144 | switch(count) { | ||
145 | case 0: return 0; | ||
146 | case 1: return (src[0] - dest[0]); | ||
147 | case 2: retval = (src[0] - dest[0]); | ||
148 | if(!retval && src[0]) | ||
149 | retval = (src[1] - dest[1]); | ||
150 | return retval; | ||
151 | case 3: retval = (src[0] - dest[0]); | ||
152 | if(!retval && src[0]) { | ||
153 | retval = (src[1] - dest[1]); | ||
154 | if(!retval && src[1]) | ||
155 | retval = (src[2] - dest[2]); | ||
156 | } | ||
157 | return retval; | ||
158 | case 4: retval = (src[0] - dest[0]); | ||
159 | if(!retval && src[0]) { | ||
160 | retval = (src[1] - dest[1]); | ||
161 | if(!retval && src[1]) { | ||
162 | retval = (src[2] - dest[2]); | ||
163 | if (!retval && src[2]) | ||
164 | retval = (src[3] - dest[3]); | ||
165 | } | ||
166 | } | ||
167 | return retval; | ||
168 | case 5: retval = (src[0] - dest[0]); | ||
169 | if(!retval && src[0]) { | ||
170 | retval = (src[1] - dest[1]); | ||
171 | if(!retval && src[1]) { | ||
172 | retval = (src[2] - dest[2]); | ||
173 | if (!retval && src[2]) { | ||
174 | retval = (src[3] - dest[3]); | ||
175 | if (!retval && src[3]) | ||
176 | retval = (src[4] - dest[4]); | ||
177 | } | ||
178 | } | ||
179 | } | ||
180 | return retval; | ||
181 | default: | ||
182 | retval = (src[0] - dest[0]); | ||
183 | if(!retval && src[0]) { | ||
184 | retval = (src[1] - dest[1]); | ||
185 | if(!retval && src[1]) { | ||
186 | retval = (src[2] - dest[2]); | ||
187 | if(!retval && src[2]) | ||
188 | retval = __strncmp(src+3,dest+3,count-3); | ||
189 | } | ||
190 | } | ||
191 | return retval; | ||
192 | } | ||
193 | } | ||
194 | |||
195 | #undef strncmp | ||
196 | #define strncmp(__arg0, __arg1, __arg2) \ | ||
197 | (__builtin_constant_p(__arg2) ? \ | ||
198 | __constant_strncmp(__arg0, __arg1, __arg2) : \ | ||
199 | __strncmp(__arg0, __arg1, __arg2)) | ||
200 | |||
201 | #endif /* !EXPORT_SYMTAB_STROPS */ | ||
202 | |||
203 | #endif /* __KERNEL__ */ | ||
204 | |||
205 | #endif /* !(__SPARC_STRING_H__) */ | ||
diff --git a/include/asm-sparc/string_32.h b/include/asm-sparc/string_32.h new file mode 100644 index 000000000000..6c5fddb7e6b5 --- /dev/null +++ b/include/asm-sparc/string_32.h | |||
@@ -0,0 +1,205 @@ | |||
1 | /* | ||
2 | * string.h: External definitions for optimized assembly string | ||
3 | * routines for the Linux Kernel. | ||
4 | * | ||
5 | * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) | ||
6 | * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
7 | */ | ||
8 | |||
9 | #ifndef __SPARC_STRING_H__ | ||
10 | #define __SPARC_STRING_H__ | ||
11 | |||
12 | #include <asm/page.h> | ||
13 | |||
14 | /* Really, userland/ksyms should not see any of this stuff. */ | ||
15 | |||
16 | #ifdef __KERNEL__ | ||
17 | |||
18 | extern void __memmove(void *,const void *,__kernel_size_t); | ||
19 | extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t); | ||
20 | extern __kernel_size_t __memset(void *,int,__kernel_size_t); | ||
21 | |||
22 | #ifndef EXPORT_SYMTAB_STROPS | ||
23 | |||
24 | /* First the mem*() things. */ | ||
25 | #define __HAVE_ARCH_MEMMOVE | ||
26 | #undef memmove | ||
27 | #define memmove(_to, _from, _n) \ | ||
28 | ({ \ | ||
29 | void *_t = (_to); \ | ||
30 | __memmove(_t, (_from), (_n)); \ | ||
31 | _t; \ | ||
32 | }) | ||
33 | |||
34 | #define __HAVE_ARCH_MEMCPY | ||
35 | |||
36 | static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n) | ||
37 | { | ||
38 | extern void __copy_1page(void *, const void *); | ||
39 | |||
40 | if(n <= 32) { | ||
41 | __builtin_memcpy(to, from, n); | ||
42 | } else if (((unsigned int) to & 7) != 0) { | ||
43 | /* Destination is not aligned on the double-word boundary */ | ||
44 | __memcpy(to, from, n); | ||
45 | } else { | ||
46 | switch(n) { | ||
47 | case PAGE_SIZE: | ||
48 | __copy_1page(to, from); | ||
49 | break; | ||
50 | default: | ||
51 | __memcpy(to, from, n); | ||
52 | break; | ||
53 | } | ||
54 | } | ||
55 | return to; | ||
56 | } | ||
57 | |||
58 | static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n) | ||
59 | { | ||
60 | __memcpy(to, from, n); | ||
61 | return to; | ||
62 | } | ||
63 | |||
64 | #undef memcpy | ||
65 | #define memcpy(t, f, n) \ | ||
66 | (__builtin_constant_p(n) ? \ | ||
67 | __constant_memcpy((t),(f),(n)) : \ | ||
68 | __nonconstant_memcpy((t),(f),(n))) | ||
69 | |||
70 | #define __HAVE_ARCH_MEMSET | ||
71 | |||
72 | static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count) | ||
73 | { | ||
74 | extern void bzero_1page(void *); | ||
75 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
76 | |||
77 | if(!c) { | ||
78 | if(count == PAGE_SIZE) | ||
79 | bzero_1page(s); | ||
80 | else | ||
81 | __bzero(s, count); | ||
82 | } else { | ||
83 | __memset(s, c, count); | ||
84 | } | ||
85 | return s; | ||
86 | } | ||
87 | |||
88 | static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count) | ||
89 | { | ||
90 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
91 | |||
92 | if(!c) | ||
93 | __bzero(s, count); | ||
94 | else | ||
95 | __memset(s, c, count); | ||
96 | return s; | ||
97 | } | ||
98 | |||
99 | static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count) | ||
100 | { | ||
101 | __memset(s, c, count); | ||
102 | return s; | ||
103 | } | ||
104 | |||
105 | #undef memset | ||
106 | #define memset(s, c, count) \ | ||
107 | (__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \ | ||
108 | __constant_c_and_count_memset((s), (c), (count)) : \ | ||
109 | __constant_c_memset((s), (c), (count))) \ | ||
110 | : __nonconstant_memset((s), (c), (count))) | ||
111 | |||
112 | #define __HAVE_ARCH_MEMSCAN | ||
113 | |||
114 | #undef memscan | ||
115 | #define memscan(__arg0, __char, __arg2) \ | ||
116 | ({ \ | ||
117 | extern void *__memscan_zero(void *, size_t); \ | ||
118 | extern void *__memscan_generic(void *, int, size_t); \ | ||
119 | void *__retval, *__addr = (__arg0); \ | ||
120 | size_t __size = (__arg2); \ | ||
121 | \ | ||
122 | if(__builtin_constant_p(__char) && !(__char)) \ | ||
123 | __retval = __memscan_zero(__addr, __size); \ | ||
124 | else \ | ||
125 | __retval = __memscan_generic(__addr, (__char), __size); \ | ||
126 | \ | ||
127 | __retval; \ | ||
128 | }) | ||
129 | |||
130 | #define __HAVE_ARCH_MEMCMP | ||
131 | extern int memcmp(const void *,const void *,__kernel_size_t); | ||
132 | |||
133 | /* Now the str*() stuff... */ | ||
134 | #define __HAVE_ARCH_STRLEN | ||
135 | extern __kernel_size_t strlen(const char *); | ||
136 | |||
137 | #define __HAVE_ARCH_STRNCMP | ||
138 | |||
139 | extern int __strncmp(const char *, const char *, __kernel_size_t); | ||
140 | |||
141 | static inline int __constant_strncmp(const char *src, const char *dest, __kernel_size_t count) | ||
142 | { | ||
143 | register int retval; | ||
144 | switch(count) { | ||
145 | case 0: return 0; | ||
146 | case 1: return (src[0] - dest[0]); | ||
147 | case 2: retval = (src[0] - dest[0]); | ||
148 | if(!retval && src[0]) | ||
149 | retval = (src[1] - dest[1]); | ||
150 | return retval; | ||
151 | case 3: retval = (src[0] - dest[0]); | ||
152 | if(!retval && src[0]) { | ||
153 | retval = (src[1] - dest[1]); | ||
154 | if(!retval && src[1]) | ||
155 | retval = (src[2] - dest[2]); | ||
156 | } | ||
157 | return retval; | ||
158 | case 4: retval = (src[0] - dest[0]); | ||
159 | if(!retval && src[0]) { | ||
160 | retval = (src[1] - dest[1]); | ||
161 | if(!retval && src[1]) { | ||
162 | retval = (src[2] - dest[2]); | ||
163 | if (!retval && src[2]) | ||
164 | retval = (src[3] - dest[3]); | ||
165 | } | ||
166 | } | ||
167 | return retval; | ||
168 | case 5: retval = (src[0] - dest[0]); | ||
169 | if(!retval && src[0]) { | ||
170 | retval = (src[1] - dest[1]); | ||
171 | if(!retval && src[1]) { | ||
172 | retval = (src[2] - dest[2]); | ||
173 | if (!retval && src[2]) { | ||
174 | retval = (src[3] - dest[3]); | ||
175 | if (!retval && src[3]) | ||
176 | retval = (src[4] - dest[4]); | ||
177 | } | ||
178 | } | ||
179 | } | ||
180 | return retval; | ||
181 | default: | ||
182 | retval = (src[0] - dest[0]); | ||
183 | if(!retval && src[0]) { | ||
184 | retval = (src[1] - dest[1]); | ||
185 | if(!retval && src[1]) { | ||
186 | retval = (src[2] - dest[2]); | ||
187 | if(!retval && src[2]) | ||
188 | retval = __strncmp(src+3,dest+3,count-3); | ||
189 | } | ||
190 | } | ||
191 | return retval; | ||
192 | } | ||
193 | } | ||
194 | |||
195 | #undef strncmp | ||
196 | #define strncmp(__arg0, __arg1, __arg2) \ | ||
197 | (__builtin_constant_p(__arg2) ? \ | ||
198 | __constant_strncmp(__arg0, __arg1, __arg2) : \ | ||
199 | __strncmp(__arg0, __arg1, __arg2)) | ||
200 | |||
201 | #endif /* !EXPORT_SYMTAB_STROPS */ | ||
202 | |||
203 | #endif /* __KERNEL__ */ | ||
204 | |||
205 | #endif /* !(__SPARC_STRING_H__) */ | ||
diff --git a/include/asm-sparc/string_64.h b/include/asm-sparc/string_64.h new file mode 100644 index 000000000000..43161f2d17eb --- /dev/null +++ b/include/asm-sparc/string_64.h | |||
@@ -0,0 +1,83 @@ | |||
1 | /* | ||
2 | * string.h: External definitions for optimized assembly string | ||
3 | * routines for the Linux Kernel. | ||
4 | * | ||
5 | * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) | ||
6 | * Copyright (C) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com) | ||
7 | */ | ||
8 | |||
9 | #ifndef __SPARC64_STRING_H__ | ||
10 | #define __SPARC64_STRING_H__ | ||
11 | |||
12 | /* Really, userland/ksyms should not see any of this stuff. */ | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #include <asm/asi.h> | ||
17 | |||
18 | extern void *__memset(void *,int,__kernel_size_t); | ||
19 | |||
20 | #ifndef EXPORT_SYMTAB_STROPS | ||
21 | |||
22 | /* First the mem*() things. */ | ||
23 | #define __HAVE_ARCH_MEMMOVE | ||
24 | extern void *memmove(void *, const void *, __kernel_size_t); | ||
25 | |||
26 | #define __HAVE_ARCH_MEMCPY | ||
27 | extern void *memcpy(void *, const void *, __kernel_size_t); | ||
28 | |||
29 | #define __HAVE_ARCH_MEMSET | ||
30 | extern void *__builtin_memset(void *,int,__kernel_size_t); | ||
31 | |||
32 | static inline void *__constant_memset(void *s, int c, __kernel_size_t count) | ||
33 | { | ||
34 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
35 | |||
36 | if (!c) { | ||
37 | __bzero(s, count); | ||
38 | return s; | ||
39 | } else | ||
40 | return __memset(s, c, count); | ||
41 | } | ||
42 | |||
43 | #undef memset | ||
44 | #define memset(s, c, count) \ | ||
45 | ((__builtin_constant_p(count) && (count) <= 32) ? \ | ||
46 | __builtin_memset((s), (c), (count)) : \ | ||
47 | (__builtin_constant_p(c) ? \ | ||
48 | __constant_memset((s), (c), (count)) : \ | ||
49 | __memset((s), (c), (count)))) | ||
50 | |||
51 | #define __HAVE_ARCH_MEMSCAN | ||
52 | |||
53 | #undef memscan | ||
54 | #define memscan(__arg0, __char, __arg2) \ | ||
55 | ({ \ | ||
56 | extern void *__memscan_zero(void *, size_t); \ | ||
57 | extern void *__memscan_generic(void *, int, size_t); \ | ||
58 | void *__retval, *__addr = (__arg0); \ | ||
59 | size_t __size = (__arg2); \ | ||
60 | \ | ||
61 | if(__builtin_constant_p(__char) && !(__char)) \ | ||
62 | __retval = __memscan_zero(__addr, __size); \ | ||
63 | else \ | ||
64 | __retval = __memscan_generic(__addr, (__char), __size); \ | ||
65 | \ | ||
66 | __retval; \ | ||
67 | }) | ||
68 | |||
69 | #define __HAVE_ARCH_MEMCMP | ||
70 | extern int memcmp(const void *,const void *,__kernel_size_t); | ||
71 | |||
72 | /* Now the str*() stuff... */ | ||
73 | #define __HAVE_ARCH_STRLEN | ||
74 | extern __kernel_size_t strlen(const char *); | ||
75 | |||
76 | #define __HAVE_ARCH_STRNCMP | ||
77 | extern int strncmp(const char *, const char *, __kernel_size_t); | ||
78 | |||
79 | #endif /* !EXPORT_SYMTAB_STROPS */ | ||
80 | |||
81 | #endif /* __KERNEL__ */ | ||
82 | |||
83 | #endif /* !(__SPARC64_STRING_H__) */ | ||
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h index b4b024445fc9..15e2a3bc4f61 100644 --- a/include/asm-sparc/system.h +++ b/include/asm-sparc/system.h | |||
@@ -1,288 +1,8 @@ | |||
1 | #ifndef __SPARC_SYSTEM_H | 1 | #ifndef ___ASM_SPARC_SYSTEM_H |
2 | #define __SPARC_SYSTEM_H | 2 | #define ___ASM_SPARC_SYSTEM_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/kernel.h> | 4 | #include <asm-sparc/system_64.h> |
5 | #include <linux/threads.h> /* NR_CPUS */ | ||
6 | #include <linux/thread_info.h> | ||
7 | |||
8 | #include <asm/page.h> | ||
9 | #include <asm/psr.h> | ||
10 | #include <asm/ptrace.h> | ||
11 | #include <asm/btfixup.h> | ||
12 | #include <asm/smp.h> | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | #include <linux/irqflags.h> | ||
17 | |||
18 | /* | ||
19 | * Sparc (general) CPU types | ||
20 | */ | ||
21 | enum sparc_cpu { | ||
22 | sun4 = 0x00, | ||
23 | sun4c = 0x01, | ||
24 | sun4m = 0x02, | ||
25 | sun4d = 0x03, | ||
26 | sun4e = 0x04, | ||
27 | sun4u = 0x05, /* V8 ploos ploos */ | ||
28 | sun_unknown = 0x06, | ||
29 | ap1000 = 0x07, /* almost a sun4m */ | ||
30 | }; | ||
31 | |||
32 | /* Really, userland should not be looking at any of this... */ | ||
33 | #ifdef __KERNEL__ | ||
34 | |||
35 | extern enum sparc_cpu sparc_cpu_model; | ||
36 | |||
37 | #ifndef CONFIG_SUN4 | ||
38 | #define ARCH_SUN4C_SUN4 (sparc_cpu_model==sun4c) | ||
39 | #define ARCH_SUN4 0 | ||
40 | #else | 5 | #else |
41 | #define ARCH_SUN4C_SUN4 1 | 6 | #include <asm-sparc/system_32.h> |
42 | #define ARCH_SUN4 1 | ||
43 | #endif | 7 | #endif |
44 | |||
45 | #define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */ | ||
46 | |||
47 | extern char reboot_command[]; | ||
48 | |||
49 | extern struct thread_info *current_set[NR_CPUS]; | ||
50 | |||
51 | extern unsigned long empty_bad_page; | ||
52 | extern unsigned long empty_bad_page_table; | ||
53 | extern unsigned long empty_zero_page; | ||
54 | |||
55 | extern void sun_do_break(void); | ||
56 | extern int serial_console; | ||
57 | extern int stop_a_enabled; | ||
58 | |||
59 | static inline int con_is_present(void) | ||
60 | { | ||
61 | return serial_console ? 0 : 1; | ||
62 | } | ||
63 | |||
64 | /* When a context switch happens we must flush all user windows so that | ||
65 | * the windows of the current process are flushed onto its stack. This | ||
66 | * way the windows are all clean for the next process and the stack | ||
67 | * frames are up to date. | ||
68 | */ | ||
69 | extern void flush_user_windows(void); | ||
70 | extern void kill_user_windows(void); | ||
71 | extern void synchronize_user_stack(void); | ||
72 | extern void fpsave(unsigned long *fpregs, unsigned long *fsr, | ||
73 | void *fpqueue, unsigned long *fpqdepth); | ||
74 | |||
75 | #ifdef CONFIG_SMP | ||
76 | #define SWITCH_ENTER(prv) \ | ||
77 | do { \ | ||
78 | if (test_tsk_thread_flag(prv, TIF_USEDFPU)) { \ | ||
79 | put_psr(get_psr() | PSR_EF); \ | ||
80 | fpsave(&(prv)->thread.float_regs[0], &(prv)->thread.fsr, \ | ||
81 | &(prv)->thread.fpqueue[0], &(prv)->thread.fpqdepth); \ | ||
82 | clear_tsk_thread_flag(prv, TIF_USEDFPU); \ | ||
83 | (prv)->thread.kregs->psr &= ~PSR_EF; \ | ||
84 | } \ | ||
85 | } while(0) | ||
86 | |||
87 | #define SWITCH_DO_LAZY_FPU(next) /* */ | ||
88 | #else | ||
89 | #define SWITCH_ENTER(prv) /* */ | ||
90 | #define SWITCH_DO_LAZY_FPU(nxt) \ | ||
91 | do { \ | ||
92 | if (last_task_used_math != (nxt)) \ | ||
93 | (nxt)->thread.kregs->psr&=~PSR_EF; \ | ||
94 | } while(0) | ||
95 | #endif | ||
96 | |||
97 | extern void flushw_all(void); | ||
98 | |||
99 | /* | ||
100 | * Flush windows so that the VM switch which follows | ||
101 | * would not pull the stack from under us. | ||
102 | * | ||
103 | * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work) | ||
104 | * XXX WTF is the above comment? Found in late teen 2.4.x. | ||
105 | */ | ||
106 | #define prepare_arch_switch(next) do { \ | ||
107 | __asm__ __volatile__( \ | ||
108 | ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \ | ||
109 | "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ | ||
110 | "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ | ||
111 | "save %sp, -0x40, %sp\n\t" \ | ||
112 | "restore; restore; restore; restore; restore; restore; restore"); \ | ||
113 | } while(0) | ||
114 | |||
115 | /* Much care has gone into this code, do not touch it. | ||
116 | * | ||
117 | * We need to loadup regs l0/l1 for the newly forked child | ||
118 | * case because the trap return path relies on those registers | ||
119 | * holding certain values, gcc is told that they are clobbered. | ||
120 | * Gcc needs registers for 3 values in and 1 value out, so we | ||
121 | * clobber every non-fixed-usage register besides l2/l3/o4/o5. -DaveM | ||
122 | * | ||
123 | * Hey Dave, that do not touch sign is too much of an incentive | ||
124 | * - Anton & Pete | ||
125 | */ | ||
126 | #define switch_to(prev, next, last) do { \ | ||
127 | SWITCH_ENTER(prev); \ | ||
128 | SWITCH_DO_LAZY_FPU(next); \ | ||
129 | cpu_set(smp_processor_id(), next->active_mm->cpu_vm_mask); \ | ||
130 | __asm__ __volatile__( \ | ||
131 | "sethi %%hi(here - 0x8), %%o7\n\t" \ | ||
132 | "mov %%g6, %%g3\n\t" \ | ||
133 | "or %%o7, %%lo(here - 0x8), %%o7\n\t" \ | ||
134 | "rd %%psr, %%g4\n\t" \ | ||
135 | "std %%sp, [%%g6 + %4]\n\t" \ | ||
136 | "rd %%wim, %%g5\n\t" \ | ||
137 | "wr %%g4, 0x20, %%psr\n\t" \ | ||
138 | "nop\n\t" \ | ||
139 | "std %%g4, [%%g6 + %3]\n\t" \ | ||
140 | "ldd [%2 + %3], %%g4\n\t" \ | ||
141 | "mov %2, %%g6\n\t" \ | ||
142 | ".globl patchme_store_new_current\n" \ | ||
143 | "patchme_store_new_current:\n\t" \ | ||
144 | "st %2, [%1]\n\t" \ | ||
145 | "wr %%g4, 0x20, %%psr\n\t" \ | ||
146 | "nop\n\t" \ | ||
147 | "nop\n\t" \ | ||
148 | "nop\n\t" /* LEON needs all 3 nops: load to %sp depends on CWP. */ \ | ||
149 | "ldd [%%g6 + %4], %%sp\n\t" \ | ||
150 | "wr %%g5, 0x0, %%wim\n\t" \ | ||
151 | "ldd [%%sp + 0x00], %%l0\n\t" \ | ||
152 | "ldd [%%sp + 0x38], %%i6\n\t" \ | ||
153 | "wr %%g4, 0x0, %%psr\n\t" \ | ||
154 | "nop\n\t" \ | ||
155 | "nop\n\t" \ | ||
156 | "jmpl %%o7 + 0x8, %%g0\n\t" \ | ||
157 | " ld [%%g3 + %5], %0\n\t" \ | ||
158 | "here:\n" \ | ||
159 | : "=&r" (last) \ | ||
160 | : "r" (&(current_set[hard_smp_processor_id()])), \ | ||
161 | "r" (task_thread_info(next)), \ | ||
162 | "i" (TI_KPSR), \ | ||
163 | "i" (TI_KSP), \ | ||
164 | "i" (TI_TASK) \ | ||
165 | : "g1", "g2", "g3", "g4", "g5", "g7", \ | ||
166 | "l0", "l1", "l3", "l4", "l5", "l6", "l7", \ | ||
167 | "i0", "i1", "i2", "i3", "i4", "i5", \ | ||
168 | "o0", "o1", "o2", "o3", "o7"); \ | ||
169 | } while(0) | ||
170 | |||
171 | /* XXX Change this if we ever use a PSO mode kernel. */ | ||
172 | #define mb() __asm__ __volatile__ ("" : : : "memory") | ||
173 | #define rmb() mb() | ||
174 | #define wmb() mb() | ||
175 | #define read_barrier_depends() do { } while(0) | ||
176 | #define set_mb(__var, __value) do { __var = __value; mb(); } while(0) | ||
177 | #define smp_mb() __asm__ __volatile__("":::"memory") | ||
178 | #define smp_rmb() __asm__ __volatile__("":::"memory") | ||
179 | #define smp_wmb() __asm__ __volatile__("":::"memory") | ||
180 | #define smp_read_barrier_depends() do { } while(0) | ||
181 | |||
182 | #define nop() __asm__ __volatile__ ("nop") | ||
183 | |||
184 | /* This has special calling conventions */ | ||
185 | #ifndef CONFIG_SMP | ||
186 | BTFIXUPDEF_CALL(void, ___xchg32, void) | ||
187 | #endif | ||
188 | |||
189 | static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) | ||
190 | { | ||
191 | #ifdef CONFIG_SMP | ||
192 | __asm__ __volatile__("swap [%2], %0" | ||
193 | : "=&r" (val) | ||
194 | : "0" (val), "r" (m) | ||
195 | : "memory"); | ||
196 | return val; | ||
197 | #else | ||
198 | register unsigned long *ptr asm("g1"); | ||
199 | register unsigned long ret asm("g2"); | ||
200 | |||
201 | ptr = (unsigned long *) m; | ||
202 | ret = val; | ||
203 | |||
204 | /* Note: this is magic and the nop there is | ||
205 | really needed. */ | ||
206 | __asm__ __volatile__( | ||
207 | "mov %%o7, %%g4\n\t" | ||
208 | "call ___f____xchg32\n\t" | ||
209 | " nop\n\t" | ||
210 | : "=&r" (ret) | ||
211 | : "0" (ret), "r" (ptr) | ||
212 | : "g3", "g4", "g7", "memory", "cc"); | ||
213 | |||
214 | return ret; | ||
215 | #endif | 8 | #endif |
216 | } | ||
217 | |||
218 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) | ||
219 | |||
220 | extern void __xchg_called_with_bad_pointer(void); | ||
221 | |||
222 | static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size) | ||
223 | { | ||
224 | switch (size) { | ||
225 | case 4: | ||
226 | return xchg_u32(ptr, x); | ||
227 | }; | ||
228 | __xchg_called_with_bad_pointer(); | ||
229 | return x; | ||
230 | } | ||
231 | |||
232 | /* Emulate cmpxchg() the same way we emulate atomics, | ||
233 | * by hashing the object address and indexing into an array | ||
234 | * of spinlocks to get a bit of performance... | ||
235 | * | ||
236 | * See arch/sparc/lib/atomic32.c for implementation. | ||
237 | * | ||
238 | * Cribbed from <asm-parisc/atomic.h> | ||
239 | */ | ||
240 | #define __HAVE_ARCH_CMPXCHG 1 | ||
241 | |||
242 | /* bug catcher for when unsupported size is used - won't link */ | ||
243 | extern void __cmpxchg_called_with_bad_pointer(void); | ||
244 | /* we only need to support cmpxchg of a u32 on sparc */ | ||
245 | extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); | ||
246 | |||
247 | /* don't worry...optimizer will get rid of most of this */ | ||
248 | static inline unsigned long | ||
249 | __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) | ||
250 | { | ||
251 | switch (size) { | ||
252 | case 4: | ||
253 | return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); | ||
254 | default: | ||
255 | __cmpxchg_called_with_bad_pointer(); | ||
256 | break; | ||
257 | } | ||
258 | return old; | ||
259 | } | ||
260 | |||
261 | #define cmpxchg(ptr, o, n) \ | ||
262 | ({ \ | ||
263 | __typeof__(*(ptr)) _o_ = (o); \ | ||
264 | __typeof__(*(ptr)) _n_ = (n); \ | ||
265 | (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ | ||
266 | (unsigned long)_n_, sizeof(*(ptr))); \ | ||
267 | }) | ||
268 | |||
269 | #include <asm-generic/cmpxchg-local.h> | ||
270 | |||
271 | /* | ||
272 | * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make | ||
273 | * them available. | ||
274 | */ | ||
275 | #define cmpxchg_local(ptr, o, n) \ | ||
276 | ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ | ||
277 | (unsigned long)(n), sizeof(*(ptr)))) | ||
278 | #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) | ||
279 | |||
280 | extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); | ||
281 | |||
282 | #endif /* __KERNEL__ */ | ||
283 | |||
284 | #endif /* __ASSEMBLY__ */ | ||
285 | |||
286 | #define arch_align_stack(x) (x) | ||
287 | |||
288 | #endif /* !(__SPARC_SYSTEM_H) */ | ||
diff --git a/include/asm-sparc/system_32.h b/include/asm-sparc/system_32.h new file mode 100644 index 000000000000..b4b024445fc9 --- /dev/null +++ b/include/asm-sparc/system_32.h | |||
@@ -0,0 +1,288 @@ | |||
1 | #ifndef __SPARC_SYSTEM_H | ||
2 | #define __SPARC_SYSTEM_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/threads.h> /* NR_CPUS */ | ||
6 | #include <linux/thread_info.h> | ||
7 | |||
8 | #include <asm/page.h> | ||
9 | #include <asm/psr.h> | ||
10 | #include <asm/ptrace.h> | ||
11 | #include <asm/btfixup.h> | ||
12 | #include <asm/smp.h> | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | #include <linux/irqflags.h> | ||
17 | |||
18 | /* | ||
19 | * Sparc (general) CPU types | ||
20 | */ | ||
21 | enum sparc_cpu { | ||
22 | sun4 = 0x00, | ||
23 | sun4c = 0x01, | ||
24 | sun4m = 0x02, | ||
25 | sun4d = 0x03, | ||
26 | sun4e = 0x04, | ||
27 | sun4u = 0x05, /* V8 ploos ploos */ | ||
28 | sun_unknown = 0x06, | ||
29 | ap1000 = 0x07, /* almost a sun4m */ | ||
30 | }; | ||
31 | |||
32 | /* Really, userland should not be looking at any of this... */ | ||
33 | #ifdef __KERNEL__ | ||
34 | |||
35 | extern enum sparc_cpu sparc_cpu_model; | ||
36 | |||
37 | #ifndef CONFIG_SUN4 | ||
38 | #define ARCH_SUN4C_SUN4 (sparc_cpu_model==sun4c) | ||
39 | #define ARCH_SUN4 0 | ||
40 | #else | ||
41 | #define ARCH_SUN4C_SUN4 1 | ||
42 | #define ARCH_SUN4 1 | ||
43 | #endif | ||
44 | |||
45 | #define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */ | ||
46 | |||
47 | extern char reboot_command[]; | ||
48 | |||
49 | extern struct thread_info *current_set[NR_CPUS]; | ||
50 | |||
51 | extern unsigned long empty_bad_page; | ||
52 | extern unsigned long empty_bad_page_table; | ||
53 | extern unsigned long empty_zero_page; | ||
54 | |||
55 | extern void sun_do_break(void); | ||
56 | extern int serial_console; | ||
57 | extern int stop_a_enabled; | ||
58 | |||
59 | static inline int con_is_present(void) | ||
60 | { | ||
61 | return serial_console ? 0 : 1; | ||
62 | } | ||
63 | |||
64 | /* When a context switch happens we must flush all user windows so that | ||
65 | * the windows of the current process are flushed onto its stack. This | ||
66 | * way the windows are all clean for the next process and the stack | ||
67 | * frames are up to date. | ||
68 | */ | ||
69 | extern void flush_user_windows(void); | ||
70 | extern void kill_user_windows(void); | ||
71 | extern void synchronize_user_stack(void); | ||
72 | extern void fpsave(unsigned long *fpregs, unsigned long *fsr, | ||
73 | void *fpqueue, unsigned long *fpqdepth); | ||
74 | |||
75 | #ifdef CONFIG_SMP | ||
76 | #define SWITCH_ENTER(prv) \ | ||
77 | do { \ | ||
78 | if (test_tsk_thread_flag(prv, TIF_USEDFPU)) { \ | ||
79 | put_psr(get_psr() | PSR_EF); \ | ||
80 | fpsave(&(prv)->thread.float_regs[0], &(prv)->thread.fsr, \ | ||
81 | &(prv)->thread.fpqueue[0], &(prv)->thread.fpqdepth); \ | ||
82 | clear_tsk_thread_flag(prv, TIF_USEDFPU); \ | ||
83 | (prv)->thread.kregs->psr &= ~PSR_EF; \ | ||
84 | } \ | ||
85 | } while(0) | ||
86 | |||
87 | #define SWITCH_DO_LAZY_FPU(next) /* */ | ||
88 | #else | ||
89 | #define SWITCH_ENTER(prv) /* */ | ||
90 | #define SWITCH_DO_LAZY_FPU(nxt) \ | ||
91 | do { \ | ||
92 | if (last_task_used_math != (nxt)) \ | ||
93 | (nxt)->thread.kregs->psr&=~PSR_EF; \ | ||
94 | } while(0) | ||
95 | #endif | ||
96 | |||
97 | extern void flushw_all(void); | ||
98 | |||
99 | /* | ||
100 | * Flush windows so that the VM switch which follows | ||
101 | * would not pull the stack from under us. | ||
102 | * | ||
103 | * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work) | ||
104 | * XXX WTF is the above comment? Found in late teen 2.4.x. | ||
105 | */ | ||
106 | #define prepare_arch_switch(next) do { \ | ||
107 | __asm__ __volatile__( \ | ||
108 | ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \ | ||
109 | "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ | ||
110 | "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ | ||
111 | "save %sp, -0x40, %sp\n\t" \ | ||
112 | "restore; restore; restore; restore; restore; restore; restore"); \ | ||
113 | } while(0) | ||
114 | |||
115 | /* Much care has gone into this code, do not touch it. | ||
116 | * | ||
117 | * We need to loadup regs l0/l1 for the newly forked child | ||
118 | * case because the trap return path relies on those registers | ||
119 | * holding certain values, gcc is told that they are clobbered. | ||
120 | * Gcc needs registers for 3 values in and 1 value out, so we | ||
121 | * clobber every non-fixed-usage register besides l2/l3/o4/o5. -DaveM | ||
122 | * | ||
123 | * Hey Dave, that do not touch sign is too much of an incentive | ||
124 | * - Anton & Pete | ||
125 | */ | ||
126 | #define switch_to(prev, next, last) do { \ | ||
127 | SWITCH_ENTER(prev); \ | ||
128 | SWITCH_DO_LAZY_FPU(next); \ | ||
129 | cpu_set(smp_processor_id(), next->active_mm->cpu_vm_mask); \ | ||
130 | __asm__ __volatile__( \ | ||
131 | "sethi %%hi(here - 0x8), %%o7\n\t" \ | ||
132 | "mov %%g6, %%g3\n\t" \ | ||
133 | "or %%o7, %%lo(here - 0x8), %%o7\n\t" \ | ||
134 | "rd %%psr, %%g4\n\t" \ | ||
135 | "std %%sp, [%%g6 + %4]\n\t" \ | ||
136 | "rd %%wim, %%g5\n\t" \ | ||
137 | "wr %%g4, 0x20, %%psr\n\t" \ | ||
138 | "nop\n\t" \ | ||
139 | "std %%g4, [%%g6 + %3]\n\t" \ | ||
140 | "ldd [%2 + %3], %%g4\n\t" \ | ||
141 | "mov %2, %%g6\n\t" \ | ||
142 | ".globl patchme_store_new_current\n" \ | ||
143 | "patchme_store_new_current:\n\t" \ | ||
144 | "st %2, [%1]\n\t" \ | ||
145 | "wr %%g4, 0x20, %%psr\n\t" \ | ||
146 | "nop\n\t" \ | ||
147 | "nop\n\t" \ | ||
148 | "nop\n\t" /* LEON needs all 3 nops: load to %sp depends on CWP. */ \ | ||
149 | "ldd [%%g6 + %4], %%sp\n\t" \ | ||
150 | "wr %%g5, 0x0, %%wim\n\t" \ | ||
151 | "ldd [%%sp + 0x00], %%l0\n\t" \ | ||
152 | "ldd [%%sp + 0x38], %%i6\n\t" \ | ||
153 | "wr %%g4, 0x0, %%psr\n\t" \ | ||
154 | "nop\n\t" \ | ||
155 | "nop\n\t" \ | ||
156 | "jmpl %%o7 + 0x8, %%g0\n\t" \ | ||
157 | " ld [%%g3 + %5], %0\n\t" \ | ||
158 | "here:\n" \ | ||
159 | : "=&r" (last) \ | ||
160 | : "r" (&(current_set[hard_smp_processor_id()])), \ | ||
161 | "r" (task_thread_info(next)), \ | ||
162 | "i" (TI_KPSR), \ | ||
163 | "i" (TI_KSP), \ | ||
164 | "i" (TI_TASK) \ | ||
165 | : "g1", "g2", "g3", "g4", "g5", "g7", \ | ||
166 | "l0", "l1", "l3", "l4", "l5", "l6", "l7", \ | ||
167 | "i0", "i1", "i2", "i3", "i4", "i5", \ | ||
168 | "o0", "o1", "o2", "o3", "o7"); \ | ||
169 | } while(0) | ||
170 | |||
171 | /* XXX Change this if we ever use a PSO mode kernel. */ | ||
172 | #define mb() __asm__ __volatile__ ("" : : : "memory") | ||
173 | #define rmb() mb() | ||
174 | #define wmb() mb() | ||
175 | #define read_barrier_depends() do { } while(0) | ||
176 | #define set_mb(__var, __value) do { __var = __value; mb(); } while(0) | ||
177 | #define smp_mb() __asm__ __volatile__("":::"memory") | ||
178 | #define smp_rmb() __asm__ __volatile__("":::"memory") | ||
179 | #define smp_wmb() __asm__ __volatile__("":::"memory") | ||
180 | #define smp_read_barrier_depends() do { } while(0) | ||
181 | |||
182 | #define nop() __asm__ __volatile__ ("nop") | ||
183 | |||
184 | /* This has special calling conventions */ | ||
185 | #ifndef CONFIG_SMP | ||
186 | BTFIXUPDEF_CALL(void, ___xchg32, void) | ||
187 | #endif | ||
188 | |||
189 | static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) | ||
190 | { | ||
191 | #ifdef CONFIG_SMP | ||
192 | __asm__ __volatile__("swap [%2], %0" | ||
193 | : "=&r" (val) | ||
194 | : "0" (val), "r" (m) | ||
195 | : "memory"); | ||
196 | return val; | ||
197 | #else | ||
198 | register unsigned long *ptr asm("g1"); | ||
199 | register unsigned long ret asm("g2"); | ||
200 | |||
201 | ptr = (unsigned long *) m; | ||
202 | ret = val; | ||
203 | |||
204 | /* Note: this is magic and the nop there is | ||
205 | really needed. */ | ||
206 | __asm__ __volatile__( | ||
207 | "mov %%o7, %%g4\n\t" | ||
208 | "call ___f____xchg32\n\t" | ||
209 | " nop\n\t" | ||
210 | : "=&r" (ret) | ||
211 | : "0" (ret), "r" (ptr) | ||
212 | : "g3", "g4", "g7", "memory", "cc"); | ||
213 | |||
214 | return ret; | ||
215 | #endif | ||
216 | } | ||
217 | |||
218 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) | ||
219 | |||
220 | extern void __xchg_called_with_bad_pointer(void); | ||
221 | |||
222 | static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size) | ||
223 | { | ||
224 | switch (size) { | ||
225 | case 4: | ||
226 | return xchg_u32(ptr, x); | ||
227 | }; | ||
228 | __xchg_called_with_bad_pointer(); | ||
229 | return x; | ||
230 | } | ||
231 | |||
232 | /* Emulate cmpxchg() the same way we emulate atomics, | ||
233 | * by hashing the object address and indexing into an array | ||
234 | * of spinlocks to get a bit of performance... | ||
235 | * | ||
236 | * See arch/sparc/lib/atomic32.c for implementation. | ||
237 | * | ||
238 | * Cribbed from <asm-parisc/atomic.h> | ||
239 | */ | ||
240 | #define __HAVE_ARCH_CMPXCHG 1 | ||
241 | |||
242 | /* bug catcher for when unsupported size is used - won't link */ | ||
243 | extern void __cmpxchg_called_with_bad_pointer(void); | ||
244 | /* we only need to support cmpxchg of a u32 on sparc */ | ||
245 | extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); | ||
246 | |||
247 | /* don't worry...optimizer will get rid of most of this */ | ||
248 | static inline unsigned long | ||
249 | __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) | ||
250 | { | ||
251 | switch (size) { | ||
252 | case 4: | ||
253 | return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); | ||
254 | default: | ||
255 | __cmpxchg_called_with_bad_pointer(); | ||
256 | break; | ||
257 | } | ||
258 | return old; | ||
259 | } | ||
260 | |||
261 | #define cmpxchg(ptr, o, n) \ | ||
262 | ({ \ | ||
263 | __typeof__(*(ptr)) _o_ = (o); \ | ||
264 | __typeof__(*(ptr)) _n_ = (n); \ | ||
265 | (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ | ||
266 | (unsigned long)_n_, sizeof(*(ptr))); \ | ||
267 | }) | ||
268 | |||
269 | #include <asm-generic/cmpxchg-local.h> | ||
270 | |||
271 | /* | ||
272 | * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make | ||
273 | * them available. | ||
274 | */ | ||
275 | #define cmpxchg_local(ptr, o, n) \ | ||
276 | ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ | ||
277 | (unsigned long)(n), sizeof(*(ptr)))) | ||
278 | #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) | ||
279 | |||
280 | extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); | ||
281 | |||
282 | #endif /* __KERNEL__ */ | ||
283 | |||
284 | #endif /* __ASSEMBLY__ */ | ||
285 | |||
286 | #define arch_align_stack(x) (x) | ||
287 | |||
288 | #endif /* !(__SPARC_SYSTEM_H) */ | ||
diff --git a/include/asm-sparc/system_64.h b/include/asm-sparc/system_64.h new file mode 100644 index 000000000000..db9e742a406a --- /dev/null +++ b/include/asm-sparc/system_64.h | |||
@@ -0,0 +1,355 @@ | |||
1 | #ifndef __SPARC64_SYSTEM_H | ||
2 | #define __SPARC64_SYSTEM_H | ||
3 | |||
4 | #include <asm/ptrace.h> | ||
5 | #include <asm/processor.h> | ||
6 | #include <asm/visasm.h> | ||
7 | |||
8 | #ifndef __ASSEMBLY__ | ||
9 | |||
10 | #include <linux/irqflags.h> | ||
11 | #include <asm-generic/cmpxchg-local.h> | ||
12 | |||
13 | /* | ||
14 | * Sparc (general) CPU types | ||
15 | */ | ||
16 | enum sparc_cpu { | ||
17 | sun4 = 0x00, | ||
18 | sun4c = 0x01, | ||
19 | sun4m = 0x02, | ||
20 | sun4d = 0x03, | ||
21 | sun4e = 0x04, | ||
22 | sun4u = 0x05, /* V8 ploos ploos */ | ||
23 | sun_unknown = 0x06, | ||
24 | ap1000 = 0x07, /* almost a sun4m */ | ||
25 | }; | ||
26 | |||
27 | #define sparc_cpu_model sun4u | ||
28 | |||
29 | /* This cannot ever be a sun4c nor sun4 :) That's just history. */ | ||
30 | #define ARCH_SUN4C_SUN4 0 | ||
31 | #define ARCH_SUN4 0 | ||
32 | |||
33 | extern char reboot_command[]; | ||
34 | |||
35 | /* These are here in an effort to more fully work around Spitfire Errata | ||
36 | * #51. Essentially, if a memory barrier occurs soon after a mispredicted | ||
37 | * branch, the chip can stop executing instructions until a trap occurs. | ||
38 | * Therefore, if interrupts are disabled, the chip can hang forever. | ||
39 | * | ||
40 | * It used to be believed that the memory barrier had to be right in the | ||
41 | * delay slot, but a case has been traced recently wherein the memory barrier | ||
42 | * was one instruction after the branch delay slot and the chip still hung. | ||
43 | * The offending sequence was the following in sym_wakeup_done() of the | ||
44 | * sym53c8xx_2 driver: | ||
45 | * | ||
46 | * call sym_ccb_from_dsa, 0 | ||
47 | * movge %icc, 0, %l0 | ||
48 | * brz,pn %o0, .LL1303 | ||
49 | * mov %o0, %l2 | ||
50 | * membar #LoadLoad | ||
51 | * | ||
52 | * The branch has to be mispredicted for the bug to occur. Therefore, we put | ||
53 | * the memory barrier explicitly into a "branch always, predicted taken" | ||
54 | * delay slot to avoid the problem case. | ||
55 | */ | ||
56 | #define membar_safe(type) \ | ||
57 | do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ | ||
58 | " membar " type "\n" \ | ||
59 | "1:\n" \ | ||
60 | : : : "memory"); \ | ||
61 | } while (0) | ||
62 | |||
63 | #define mb() \ | ||
64 | membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad") | ||
65 | #define rmb() \ | ||
66 | membar_safe("#LoadLoad") | ||
67 | #define wmb() \ | ||
68 | membar_safe("#StoreStore") | ||
69 | #define membar_storeload() \ | ||
70 | membar_safe("#StoreLoad") | ||
71 | #define membar_storeload_storestore() \ | ||
72 | membar_safe("#StoreLoad | #StoreStore") | ||
73 | #define membar_storeload_loadload() \ | ||
74 | membar_safe("#StoreLoad | #LoadLoad") | ||
75 | #define membar_storestore_loadstore() \ | ||
76 | membar_safe("#StoreStore | #LoadStore") | ||
77 | |||
78 | #endif | ||
79 | |||
80 | #define nop() __asm__ __volatile__ ("nop") | ||
81 | |||
82 | #define read_barrier_depends() do { } while(0) | ||
83 | #define set_mb(__var, __value) \ | ||
84 | do { __var = __value; membar_storeload_storestore(); } while(0) | ||
85 | |||
86 | #ifdef CONFIG_SMP | ||
87 | #define smp_mb() mb() | ||
88 | #define smp_rmb() rmb() | ||
89 | #define smp_wmb() wmb() | ||
90 | #define smp_read_barrier_depends() read_barrier_depends() | ||
91 | #else | ||
92 | #define smp_mb() __asm__ __volatile__("":::"memory") | ||
93 | #define smp_rmb() __asm__ __volatile__("":::"memory") | ||
94 | #define smp_wmb() __asm__ __volatile__("":::"memory") | ||
95 | #define smp_read_barrier_depends() do { } while(0) | ||
96 | #endif | ||
97 | |||
98 | #define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") | ||
99 | |||
100 | #define flushw_all() __asm__ __volatile__("flushw") | ||
101 | |||
102 | /* Performance counter register access. */ | ||
103 | #define read_pcr(__p) __asm__ __volatile__("rd %%pcr, %0" : "=r" (__p)) | ||
104 | #define write_pcr(__p) __asm__ __volatile__("wr %0, 0x0, %%pcr" : : "r" (__p)) | ||
105 | #define read_pic(__p) __asm__ __volatile__("rd %%pic, %0" : "=r" (__p)) | ||
106 | |||
107 | /* Blackbird errata workaround. See commentary in | ||
108 | * arch/sparc64/kernel/smp.c:smp_percpu_timer_interrupt() | ||
109 | * for more information. | ||
110 | */ | ||
111 | #define reset_pic() \ | ||
112 | __asm__ __volatile__("ba,pt %xcc, 99f\n\t" \ | ||
113 | ".align 64\n" \ | ||
114 | "99:wr %g0, 0x0, %pic\n\t" \ | ||
115 | "rd %pic, %g0") | ||
116 | |||
117 | #ifndef __ASSEMBLY__ | ||
118 | |||
119 | extern void sun_do_break(void); | ||
120 | extern int stop_a_enabled; | ||
121 | |||
122 | extern void fault_in_user_windows(void); | ||
123 | extern void synchronize_user_stack(void); | ||
124 | |||
125 | extern void __flushw_user(void); | ||
126 | #define flushw_user() __flushw_user() | ||
127 | |||
128 | #define flush_user_windows flushw_user | ||
129 | #define flush_register_windows flushw_all | ||
130 | |||
131 | /* Don't hold the runqueue lock over context switch */ | ||
132 | #define __ARCH_WANT_UNLOCKED_CTXSW | ||
133 | #define prepare_arch_switch(next) \ | ||
134 | do { \ | ||
135 | flushw_all(); \ | ||
136 | } while (0) | ||
137 | |||
138 | /* See what happens when you design the chip correctly? | ||
139 | * | ||
140 | * We tell gcc we clobber all non-fixed-usage registers except | ||
141 | * for l0/l1. It will use one for 'next' and the other to hold | ||
142 | * the output value of 'last'. 'next' is not referenced again | ||
143 | * past the invocation of switch_to in the scheduler, so we need | ||
144 | * not preserve it's value. Hairy, but it lets us remove 2 loads | ||
145 | * and 2 stores in this critical code path. -DaveM | ||
146 | */ | ||
147 | #define switch_to(prev, next, last) \ | ||
148 | do { if (test_thread_flag(TIF_PERFCTR)) { \ | ||
149 | unsigned long __tmp; \ | ||
150 | read_pcr(__tmp); \ | ||
151 | current_thread_info()->pcr_reg = __tmp; \ | ||
152 | read_pic(__tmp); \ | ||
153 | current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\ | ||
154 | current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \ | ||
155 | } \ | ||
156 | flush_tlb_pending(); \ | ||
157 | save_and_clear_fpu(); \ | ||
158 | /* If you are tempted to conditionalize the following */ \ | ||
159 | /* so that ASI is only written if it changes, think again. */ \ | ||
160 | __asm__ __volatile__("wr %%g0, %0, %%asi" \ | ||
161 | : : "r" (__thread_flag_byte_ptr(task_thread_info(next))[TI_FLAG_BYTE_CURRENT_DS]));\ | ||
162 | trap_block[current_thread_info()->cpu].thread = \ | ||
163 | task_thread_info(next); \ | ||
164 | __asm__ __volatile__( \ | ||
165 | "mov %%g4, %%g7\n\t" \ | ||
166 | "stx %%i6, [%%sp + 2047 + 0x70]\n\t" \ | ||
167 | "stx %%i7, [%%sp + 2047 + 0x78]\n\t" \ | ||
168 | "rdpr %%wstate, %%o5\n\t" \ | ||
169 | "stx %%o6, [%%g6 + %6]\n\t" \ | ||
170 | "stb %%o5, [%%g6 + %5]\n\t" \ | ||
171 | "rdpr %%cwp, %%o5\n\t" \ | ||
172 | "stb %%o5, [%%g6 + %8]\n\t" \ | ||
173 | "mov %4, %%g6\n\t" \ | ||
174 | "ldub [%4 + %8], %%g1\n\t" \ | ||
175 | "wrpr %%g1, %%cwp\n\t" \ | ||
176 | "ldx [%%g6 + %6], %%o6\n\t" \ | ||
177 | "ldub [%%g6 + %5], %%o5\n\t" \ | ||
178 | "ldub [%%g6 + %7], %%o7\n\t" \ | ||
179 | "wrpr %%o5, 0x0, %%wstate\n\t" \ | ||
180 | "ldx [%%sp + 2047 + 0x70], %%i6\n\t" \ | ||
181 | "ldx [%%sp + 2047 + 0x78], %%i7\n\t" \ | ||
182 | "ldx [%%g6 + %9], %%g4\n\t" \ | ||
183 | "brz,pt %%o7, switch_to_pc\n\t" \ | ||
184 | " mov %%g7, %0\n\t" \ | ||
185 | "sethi %%hi(ret_from_syscall), %%g1\n\t" \ | ||
186 | "jmpl %%g1 + %%lo(ret_from_syscall), %%g0\n\t" \ | ||
187 | " nop\n\t" \ | ||
188 | ".globl switch_to_pc\n\t" \ | ||
189 | "switch_to_pc:\n\t" \ | ||
190 | : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \ | ||
191 | "=r" (__local_per_cpu_offset) \ | ||
192 | : "0" (task_thread_info(next)), \ | ||
193 | "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \ | ||
194 | "i" (TI_CWP), "i" (TI_TASK) \ | ||
195 | : "cc", \ | ||
196 | "g1", "g2", "g3", "g7", \ | ||
197 | "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ | ||
198 | "i0", "i1", "i2", "i3", "i4", "i5", \ | ||
199 | "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ | ||
200 | /* If you fuck with this, update ret_from_syscall code too. */ \ | ||
201 | if (test_thread_flag(TIF_PERFCTR)) { \ | ||
202 | write_pcr(current_thread_info()->pcr_reg); \ | ||
203 | reset_pic(); \ | ||
204 | } \ | ||
205 | } while(0) | ||
206 | |||
207 | static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) | ||
208 | { | ||
209 | unsigned long tmp1, tmp2; | ||
210 | |||
211 | __asm__ __volatile__( | ||
212 | " membar #StoreLoad | #LoadLoad\n" | ||
213 | " mov %0, %1\n" | ||
214 | "1: lduw [%4], %2\n" | ||
215 | " cas [%4], %2, %0\n" | ||
216 | " cmp %2, %0\n" | ||
217 | " bne,a,pn %%icc, 1b\n" | ||
218 | " mov %1, %0\n" | ||
219 | " membar #StoreLoad | #StoreStore\n" | ||
220 | : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) | ||
221 | : "0" (val), "r" (m) | ||
222 | : "cc", "memory"); | ||
223 | return val; | ||
224 | } | ||
225 | |||
226 | static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long val) | ||
227 | { | ||
228 | unsigned long tmp1, tmp2; | ||
229 | |||
230 | __asm__ __volatile__( | ||
231 | " membar #StoreLoad | #LoadLoad\n" | ||
232 | " mov %0, %1\n" | ||
233 | "1: ldx [%4], %2\n" | ||
234 | " casx [%4], %2, %0\n" | ||
235 | " cmp %2, %0\n" | ||
236 | " bne,a,pn %%xcc, 1b\n" | ||
237 | " mov %1, %0\n" | ||
238 | " membar #StoreLoad | #StoreStore\n" | ||
239 | : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) | ||
240 | : "0" (val), "r" (m) | ||
241 | : "cc", "memory"); | ||
242 | return val; | ||
243 | } | ||
244 | |||
245 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) | ||
246 | |||
247 | extern void __xchg_called_with_bad_pointer(void); | ||
248 | |||
249 | static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, | ||
250 | int size) | ||
251 | { | ||
252 | switch (size) { | ||
253 | case 4: | ||
254 | return xchg32(ptr, x); | ||
255 | case 8: | ||
256 | return xchg64(ptr, x); | ||
257 | }; | ||
258 | __xchg_called_with_bad_pointer(); | ||
259 | return x; | ||
260 | } | ||
261 | |||
262 | extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); | ||
263 | |||
264 | /* | ||
265 | * Atomic compare and exchange. Compare OLD with MEM, if identical, | ||
266 | * store NEW in MEM. Return the initial value in MEM. Success is | ||
267 | * indicated by comparing RETURN with OLD. | ||
268 | */ | ||
269 | |||
270 | #define __HAVE_ARCH_CMPXCHG 1 | ||
271 | |||
272 | static inline unsigned long | ||
273 | __cmpxchg_u32(volatile int *m, int old, int new) | ||
274 | { | ||
275 | __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" | ||
276 | "cas [%2], %3, %0\n\t" | ||
277 | "membar #StoreLoad | #StoreStore" | ||
278 | : "=&r" (new) | ||
279 | : "0" (new), "r" (m), "r" (old) | ||
280 | : "memory"); | ||
281 | |||
282 | return new; | ||
283 | } | ||
284 | |||
285 | static inline unsigned long | ||
286 | __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) | ||
287 | { | ||
288 | __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" | ||
289 | "casx [%2], %3, %0\n\t" | ||
290 | "membar #StoreLoad | #StoreStore" | ||
291 | : "=&r" (new) | ||
292 | : "0" (new), "r" (m), "r" (old) | ||
293 | : "memory"); | ||
294 | |||
295 | return new; | ||
296 | } | ||
297 | |||
298 | /* This function doesn't exist, so you'll get a linker error | ||
299 | if something tries to do an invalid cmpxchg(). */ | ||
300 | extern void __cmpxchg_called_with_bad_pointer(void); | ||
301 | |||
302 | static inline unsigned long | ||
303 | __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) | ||
304 | { | ||
305 | switch (size) { | ||
306 | case 4: | ||
307 | return __cmpxchg_u32(ptr, old, new); | ||
308 | case 8: | ||
309 | return __cmpxchg_u64(ptr, old, new); | ||
310 | } | ||
311 | __cmpxchg_called_with_bad_pointer(); | ||
312 | return old; | ||
313 | } | ||
314 | |||
315 | #define cmpxchg(ptr,o,n) \ | ||
316 | ({ \ | ||
317 | __typeof__(*(ptr)) _o_ = (o); \ | ||
318 | __typeof__(*(ptr)) _n_ = (n); \ | ||
319 | (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ | ||
320 | (unsigned long)_n_, sizeof(*(ptr))); \ | ||
321 | }) | ||
322 | |||
323 | /* | ||
324 | * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make | ||
325 | * them available. | ||
326 | */ | ||
327 | |||
328 | static inline unsigned long __cmpxchg_local(volatile void *ptr, | ||
329 | unsigned long old, | ||
330 | unsigned long new, int size) | ||
331 | { | ||
332 | switch (size) { | ||
333 | case 4: | ||
334 | case 8: return __cmpxchg(ptr, old, new, size); | ||
335 | default: | ||
336 | return __cmpxchg_local_generic(ptr, old, new, size); | ||
337 | } | ||
338 | |||
339 | return old; | ||
340 | } | ||
341 | |||
342 | #define cmpxchg_local(ptr, o, n) \ | ||
343 | ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ | ||
344 | (unsigned long)(n), sizeof(*(ptr)))) | ||
345 | #define cmpxchg64_local(ptr, o, n) \ | ||
346 | ({ \ | ||
347 | BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ | ||
348 | cmpxchg_local((ptr), (o), (n)); \ | ||
349 | }) | ||
350 | |||
351 | #endif /* !(__ASSEMBLY__) */ | ||
352 | |||
353 | #define arch_align_stack(x) (x) | ||
354 | |||
355 | #endif /* !(__SPARC64_SYSTEM_H) */ | ||
diff --git a/include/asm-sparc/thread_info.h b/include/asm-sparc/thread_info.h index 91b9f5888c85..64155cf89f37 100644 --- a/include/asm-sparc/thread_info.h +++ b/include/asm-sparc/thread_info.h | |||
@@ -1,151 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_THREAD_INFO_H |
2 | * thread_info.h: sparc low-level thread information | 2 | #define ___ASM_SPARC_THREAD_INFO_H |
3 | * adapted from the ppc version by Pete Zaitcev, which was | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * adapted from the i386 version by Paul Mackerras | 4 | #include <asm-sparc/thread_info_64.h> |
5 | * | 5 | #else |
6 | * Copyright (C) 2002 David Howells (dhowells@redhat.com) | 6 | #include <asm-sparc/thread_info_32.h> |
7 | * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) | 7 | #endif |
8 | * - Incorporating suggestions made by Linus Torvalds and Dave Miller | ||
9 | */ | ||
10 | |||
11 | #ifndef _ASM_THREAD_INFO_H | ||
12 | #define _ASM_THREAD_INFO_H | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #ifndef __ASSEMBLY__ | ||
17 | |||
18 | #include <asm/btfixup.h> | ||
19 | #include <asm/ptrace.h> | ||
20 | #include <asm/page.h> | ||
21 | |||
22 | /* | ||
23 | * Low level task data. | ||
24 | * | ||
25 | * If you change this, change the TI_* offsets below to match. | ||
26 | */ | ||
27 | #define NSWINS 8 | ||
28 | struct thread_info { | ||
29 | unsigned long uwinmask; | ||
30 | struct task_struct *task; /* main task structure */ | ||
31 | struct exec_domain *exec_domain; /* execution domain */ | ||
32 | unsigned long flags; /* low level flags */ | ||
33 | int cpu; /* cpu we're on */ | ||
34 | int preempt_count; /* 0 => preemptable, | ||
35 | <0 => BUG */ | ||
36 | int softirq_count; | ||
37 | int hardirq_count; | ||
38 | |||
39 | /* Context switch saved kernel state. */ | ||
40 | unsigned long ksp; /* ... ksp __attribute__ ((aligned (8))); */ | ||
41 | unsigned long kpc; | ||
42 | unsigned long kpsr; | ||
43 | unsigned long kwim; | ||
44 | |||
45 | /* A place to store user windows and stack pointers | ||
46 | * when the stack needs inspection. | ||
47 | */ | ||
48 | struct reg_window reg_window[NSWINS]; /* align for ldd! */ | ||
49 | unsigned long rwbuf_stkptrs[NSWINS]; | ||
50 | unsigned long w_saved; | ||
51 | |||
52 | struct restart_block restart_block; | ||
53 | }; | ||
54 | |||
55 | /* | ||
56 | * macros/functions for gaining access to the thread information structure | ||
57 | * | ||
58 | * preempt_count needs to be 1 initially, until the scheduler is functional. | ||
59 | */ | ||
60 | #define INIT_THREAD_INFO(tsk) \ | ||
61 | { \ | ||
62 | .uwinmask = 0, \ | ||
63 | .task = &tsk, \ | ||
64 | .exec_domain = &default_exec_domain, \ | ||
65 | .flags = 0, \ | ||
66 | .cpu = 0, \ | ||
67 | .preempt_count = 1, \ | ||
68 | .restart_block = { \ | ||
69 | .fn = do_no_restart_syscall, \ | ||
70 | }, \ | ||
71 | } | ||
72 | |||
73 | #define init_thread_info (init_thread_union.thread_info) | ||
74 | #define init_stack (init_thread_union.stack) | ||
75 | |||
76 | /* how to get the thread information struct from C */ | ||
77 | register struct thread_info *current_thread_info_reg asm("g6"); | ||
78 | #define current_thread_info() (current_thread_info_reg) | ||
79 | |||
80 | /* | ||
81 | * thread information allocation | ||
82 | */ | ||
83 | #if PAGE_SHIFT == 13 | ||
84 | #define THREAD_INFO_ORDER 0 | ||
85 | #else /* PAGE_SHIFT */ | ||
86 | #define THREAD_INFO_ORDER 1 | ||
87 | #endif | 8 | #endif |
88 | |||
89 | BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void) | ||
90 | #define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)() | ||
91 | |||
92 | BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) | ||
93 | #define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti) | ||
94 | |||
95 | #endif /* __ASSEMBLY__ */ | ||
96 | |||
97 | /* | ||
98 | * Size of kernel stack for each process. | ||
99 | * Observe the order of get_free_pages() in alloc_thread_info(). | ||
100 | * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste. | ||
101 | */ | ||
102 | #define THREAD_SIZE 8192 | ||
103 | |||
104 | /* | ||
105 | * Offsets in thread_info structure, used in assembly code | ||
106 | * The "#define REGWIN_SZ 0x40" was abolished, so no multiplications. | ||
107 | */ | ||
108 | #define TI_UWINMASK 0x00 /* uwinmask */ | ||
109 | #define TI_TASK 0x04 | ||
110 | #define TI_EXECDOMAIN 0x08 /* exec_domain */ | ||
111 | #define TI_FLAGS 0x0c | ||
112 | #define TI_CPU 0x10 | ||
113 | #define TI_PREEMPT 0x14 /* preempt_count */ | ||
114 | #define TI_SOFTIRQ 0x18 /* softirq_count */ | ||
115 | #define TI_HARDIRQ 0x1c /* hardirq_count */ | ||
116 | #define TI_KSP 0x20 /* ksp */ | ||
117 | #define TI_KPC 0x24 /* kpc (ldd'ed with kpc) */ | ||
118 | #define TI_KPSR 0x28 /* kpsr */ | ||
119 | #define TI_KWIM 0x2c /* kwim (ldd'ed with kpsr) */ | ||
120 | #define TI_REG_WINDOW 0x30 | ||
121 | #define TI_RWIN_SPTRS 0x230 | ||
122 | #define TI_W_SAVED 0x250 | ||
123 | /* #define TI_RESTART_BLOCK 0x25n */ /* Nobody cares */ | ||
124 | |||
125 | #define PREEMPT_ACTIVE 0x4000000 | ||
126 | |||
127 | /* | ||
128 | * thread information flag bit numbers | ||
129 | */ | ||
130 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
131 | /* flag bit 1 is available */ | ||
132 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
133 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
134 | #define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */ | ||
135 | #define TIF_USEDFPU 8 /* FPU was used by this task | ||
136 | * this quantum (SMP) */ | ||
137 | #define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling | ||
138 | * TIF_NEED_RESCHED */ | ||
139 | #define TIF_MEMDIE 10 | ||
140 | |||
141 | /* as above, but as bit values */ | ||
142 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
143 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
144 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
145 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) | ||
146 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) | ||
147 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
148 | |||
149 | #endif /* __KERNEL__ */ | ||
150 | |||
151 | #endif /* _ASM_THREAD_INFO_H */ | ||
diff --git a/include/asm-sparc/thread_info_32.h b/include/asm-sparc/thread_info_32.h new file mode 100644 index 000000000000..91b9f5888c85 --- /dev/null +++ b/include/asm-sparc/thread_info_32.h | |||
@@ -0,0 +1,151 @@ | |||
1 | /* | ||
2 | * thread_info.h: sparc low-level thread information | ||
3 | * adapted from the ppc version by Pete Zaitcev, which was | ||
4 | * adapted from the i386 version by Paul Mackerras | ||
5 | * | ||
6 | * Copyright (C) 2002 David Howells (dhowells@redhat.com) | ||
7 | * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) | ||
8 | * - Incorporating suggestions made by Linus Torvalds and Dave Miller | ||
9 | */ | ||
10 | |||
11 | #ifndef _ASM_THREAD_INFO_H | ||
12 | #define _ASM_THREAD_INFO_H | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #ifndef __ASSEMBLY__ | ||
17 | |||
18 | #include <asm/btfixup.h> | ||
19 | #include <asm/ptrace.h> | ||
20 | #include <asm/page.h> | ||
21 | |||
22 | /* | ||
23 | * Low level task data. | ||
24 | * | ||
25 | * If you change this, change the TI_* offsets below to match. | ||
26 | */ | ||
27 | #define NSWINS 8 | ||
28 | struct thread_info { | ||
29 | unsigned long uwinmask; | ||
30 | struct task_struct *task; /* main task structure */ | ||
31 | struct exec_domain *exec_domain; /* execution domain */ | ||
32 | unsigned long flags; /* low level flags */ | ||
33 | int cpu; /* cpu we're on */ | ||
34 | int preempt_count; /* 0 => preemptable, | ||
35 | <0 => BUG */ | ||
36 | int softirq_count; | ||
37 | int hardirq_count; | ||
38 | |||
39 | /* Context switch saved kernel state. */ | ||
40 | unsigned long ksp; /* ... ksp __attribute__ ((aligned (8))); */ | ||
41 | unsigned long kpc; | ||
42 | unsigned long kpsr; | ||
43 | unsigned long kwim; | ||
44 | |||
45 | /* A place to store user windows and stack pointers | ||
46 | * when the stack needs inspection. | ||
47 | */ | ||
48 | struct reg_window reg_window[NSWINS]; /* align for ldd! */ | ||
49 | unsigned long rwbuf_stkptrs[NSWINS]; | ||
50 | unsigned long w_saved; | ||
51 | |||
52 | struct restart_block restart_block; | ||
53 | }; | ||
54 | |||
55 | /* | ||
56 | * macros/functions for gaining access to the thread information structure | ||
57 | * | ||
58 | * preempt_count needs to be 1 initially, until the scheduler is functional. | ||
59 | */ | ||
60 | #define INIT_THREAD_INFO(tsk) \ | ||
61 | { \ | ||
62 | .uwinmask = 0, \ | ||
63 | .task = &tsk, \ | ||
64 | .exec_domain = &default_exec_domain, \ | ||
65 | .flags = 0, \ | ||
66 | .cpu = 0, \ | ||
67 | .preempt_count = 1, \ | ||
68 | .restart_block = { \ | ||
69 | .fn = do_no_restart_syscall, \ | ||
70 | }, \ | ||
71 | } | ||
72 | |||
73 | #define init_thread_info (init_thread_union.thread_info) | ||
74 | #define init_stack (init_thread_union.stack) | ||
75 | |||
76 | /* how to get the thread information struct from C */ | ||
77 | register struct thread_info *current_thread_info_reg asm("g6"); | ||
78 | #define current_thread_info() (current_thread_info_reg) | ||
79 | |||
80 | /* | ||
81 | * thread information allocation | ||
82 | */ | ||
83 | #if PAGE_SHIFT == 13 | ||
84 | #define THREAD_INFO_ORDER 0 | ||
85 | #else /* PAGE_SHIFT */ | ||
86 | #define THREAD_INFO_ORDER 1 | ||
87 | #endif | ||
88 | |||
89 | BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void) | ||
90 | #define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)() | ||
91 | |||
92 | BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) | ||
93 | #define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti) | ||
94 | |||
95 | #endif /* __ASSEMBLY__ */ | ||
96 | |||
97 | /* | ||
98 | * Size of kernel stack for each process. | ||
99 | * Observe the order of get_free_pages() in alloc_thread_info(). | ||
100 | * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste. | ||
101 | */ | ||
102 | #define THREAD_SIZE 8192 | ||
103 | |||
104 | /* | ||
105 | * Offsets in thread_info structure, used in assembly code | ||
106 | * The "#define REGWIN_SZ 0x40" was abolished, so no multiplications. | ||
107 | */ | ||
108 | #define TI_UWINMASK 0x00 /* uwinmask */ | ||
109 | #define TI_TASK 0x04 | ||
110 | #define TI_EXECDOMAIN 0x08 /* exec_domain */ | ||
111 | #define TI_FLAGS 0x0c | ||
112 | #define TI_CPU 0x10 | ||
113 | #define TI_PREEMPT 0x14 /* preempt_count */ | ||
114 | #define TI_SOFTIRQ 0x18 /* softirq_count */ | ||
115 | #define TI_HARDIRQ 0x1c /* hardirq_count */ | ||
116 | #define TI_KSP 0x20 /* ksp */ | ||
117 | #define TI_KPC 0x24 /* kpc (ldd'ed with kpc) */ | ||
118 | #define TI_KPSR 0x28 /* kpsr */ | ||
119 | #define TI_KWIM 0x2c /* kwim (ldd'ed with kpsr) */ | ||
120 | #define TI_REG_WINDOW 0x30 | ||
121 | #define TI_RWIN_SPTRS 0x230 | ||
122 | #define TI_W_SAVED 0x250 | ||
123 | /* #define TI_RESTART_BLOCK 0x25n */ /* Nobody cares */ | ||
124 | |||
125 | #define PREEMPT_ACTIVE 0x4000000 | ||
126 | |||
127 | /* | ||
128 | * thread information flag bit numbers | ||
129 | */ | ||
130 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
131 | /* flag bit 1 is available */ | ||
132 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
133 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
134 | #define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */ | ||
135 | #define TIF_USEDFPU 8 /* FPU was used by this task | ||
136 | * this quantum (SMP) */ | ||
137 | #define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling | ||
138 | * TIF_NEED_RESCHED */ | ||
139 | #define TIF_MEMDIE 10 | ||
140 | |||
141 | /* as above, but as bit values */ | ||
142 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
143 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
144 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
145 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) | ||
146 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) | ||
147 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
148 | |||
149 | #endif /* __KERNEL__ */ | ||
150 | |||
151 | #endif /* _ASM_THREAD_INFO_H */ | ||
diff --git a/include/asm-sparc/thread_info_64.h b/include/asm-sparc/thread_info_64.h new file mode 100644 index 000000000000..c6d2e6c7f844 --- /dev/null +++ b/include/asm-sparc/thread_info_64.h | |||
@@ -0,0 +1,277 @@ | |||
1 | /* thread_info.h: sparc64 low-level thread information | ||
2 | * | ||
3 | * Copyright (C) 2002 David S. Miller (davem@redhat.com) | ||
4 | */ | ||
5 | |||
6 | #ifndef _ASM_THREAD_INFO_H | ||
7 | #define _ASM_THREAD_INFO_H | ||
8 | |||
9 | #ifdef __KERNEL__ | ||
10 | |||
11 | #define NSWINS 7 | ||
12 | |||
13 | #define TI_FLAG_BYTE_FAULT_CODE 0 | ||
14 | #define TI_FLAG_FAULT_CODE_SHIFT 56 | ||
15 | #define TI_FLAG_BYTE_WSTATE 1 | ||
16 | #define TI_FLAG_WSTATE_SHIFT 48 | ||
17 | #define TI_FLAG_BYTE_CWP 2 | ||
18 | #define TI_FLAG_CWP_SHIFT 40 | ||
19 | #define TI_FLAG_BYTE_CURRENT_DS 3 | ||
20 | #define TI_FLAG_CURRENT_DS_SHIFT 32 | ||
21 | #define TI_FLAG_BYTE_FPDEPTH 4 | ||
22 | #define TI_FLAG_FPDEPTH_SHIFT 24 | ||
23 | #define TI_FLAG_BYTE_WSAVED 5 | ||
24 | #define TI_FLAG_WSAVED_SHIFT 16 | ||
25 | |||
26 | #include <asm/page.h> | ||
27 | |||
28 | #ifndef __ASSEMBLY__ | ||
29 | |||
30 | #include <asm/ptrace.h> | ||
31 | #include <asm/types.h> | ||
32 | |||
33 | struct task_struct; | ||
34 | struct exec_domain; | ||
35 | |||
36 | struct thread_info { | ||
37 | /* D$ line 1 */ | ||
38 | struct task_struct *task; | ||
39 | unsigned long flags; | ||
40 | __u8 fpsaved[7]; | ||
41 | __u8 status; | ||
42 | unsigned long ksp; | ||
43 | |||
44 | /* D$ line 2 */ | ||
45 | unsigned long fault_address; | ||
46 | struct pt_regs *kregs; | ||
47 | struct exec_domain *exec_domain; | ||
48 | int preempt_count; /* 0 => preemptable, <0 => BUG */ | ||
49 | __u8 new_child; | ||
50 | __u8 syscall_noerror; | ||
51 | __u16 cpu; | ||
52 | |||
53 | unsigned long *utraps; | ||
54 | |||
55 | struct reg_window reg_window[NSWINS]; | ||
56 | unsigned long rwbuf_stkptrs[NSWINS]; | ||
57 | |||
58 | unsigned long gsr[7]; | ||
59 | unsigned long xfsr[7]; | ||
60 | |||
61 | __u64 __user *user_cntd0; | ||
62 | __u64 __user *user_cntd1; | ||
63 | __u64 kernel_cntd0, kernel_cntd1; | ||
64 | __u64 pcr_reg; | ||
65 | |||
66 | struct restart_block restart_block; | ||
67 | |||
68 | struct pt_regs *kern_una_regs; | ||
69 | unsigned int kern_una_insn; | ||
70 | |||
71 | unsigned long fpregs[0] __attribute__ ((aligned(64))); | ||
72 | }; | ||
73 | |||
74 | #endif /* !(__ASSEMBLY__) */ | ||
75 | |||
76 | /* offsets into the thread_info struct for assembly code access */ | ||
77 | #define TI_TASK 0x00000000 | ||
78 | #define TI_FLAGS 0x00000008 | ||
79 | #define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE) | ||
80 | #define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE) | ||
81 | #define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP) | ||
82 | #define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS) | ||
83 | #define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH) | ||
84 | #define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED) | ||
85 | #define TI_FPSAVED 0x00000010 | ||
86 | #define TI_KSP 0x00000018 | ||
87 | #define TI_FAULT_ADDR 0x00000020 | ||
88 | #define TI_KREGS 0x00000028 | ||
89 | #define TI_EXEC_DOMAIN 0x00000030 | ||
90 | #define TI_PRE_COUNT 0x00000038 | ||
91 | #define TI_NEW_CHILD 0x0000003c | ||
92 | #define TI_SYS_NOERROR 0x0000003d | ||
93 | #define TI_CPU 0x0000003e | ||
94 | #define TI_UTRAPS 0x00000040 | ||
95 | #define TI_REG_WINDOW 0x00000048 | ||
96 | #define TI_RWIN_SPTRS 0x000003c8 | ||
97 | #define TI_GSR 0x00000400 | ||
98 | #define TI_XFSR 0x00000438 | ||
99 | #define TI_USER_CNTD0 0x00000470 | ||
100 | #define TI_USER_CNTD1 0x00000478 | ||
101 | #define TI_KERN_CNTD0 0x00000480 | ||
102 | #define TI_KERN_CNTD1 0x00000488 | ||
103 | #define TI_PCR 0x00000490 | ||
104 | #define TI_RESTART_BLOCK 0x00000498 | ||
105 | #define TI_KUNA_REGS 0x000004c0 | ||
106 | #define TI_KUNA_INSN 0x000004c8 | ||
107 | #define TI_FPREGS 0x00000500 | ||
108 | |||
109 | /* We embed this in the uppermost byte of thread_info->flags */ | ||
110 | #define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */ | ||
111 | #define FAULT_CODE_DTLB 0x02 /* Miss happened in D-TLB */ | ||
112 | #define FAULT_CODE_ITLB 0x04 /* Miss happened in I-TLB */ | ||
113 | #define FAULT_CODE_WINFIXUP 0x08 /* Miss happened during spill/fill */ | ||
114 | #define FAULT_CODE_BLKCOMMIT 0x10 /* Use blk-commit ASI in copy_page */ | ||
115 | |||
116 | #if PAGE_SHIFT == 13 | ||
117 | #define THREAD_SIZE (2*PAGE_SIZE) | ||
118 | #define THREAD_SHIFT (PAGE_SHIFT + 1) | ||
119 | #else /* PAGE_SHIFT == 13 */ | ||
120 | #define THREAD_SIZE PAGE_SIZE | ||
121 | #define THREAD_SHIFT PAGE_SHIFT | ||
122 | #endif /* PAGE_SHIFT == 13 */ | ||
123 | |||
124 | #define PREEMPT_ACTIVE 0x4000000 | ||
125 | |||
126 | /* | ||
127 | * macros/functions for gaining access to the thread information structure | ||
128 | * | ||
129 | * preempt_count needs to be 1 initially, until the scheduler is functional. | ||
130 | */ | ||
131 | #ifndef __ASSEMBLY__ | ||
132 | |||
133 | #define INIT_THREAD_INFO(tsk) \ | ||
134 | { \ | ||
135 | .task = &tsk, \ | ||
136 | .flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \ | ||
137 | .exec_domain = &default_exec_domain, \ | ||
138 | .preempt_count = 1, \ | ||
139 | .restart_block = { \ | ||
140 | .fn = do_no_restart_syscall, \ | ||
141 | }, \ | ||
142 | } | ||
143 | |||
144 | #define init_thread_info (init_thread_union.thread_info) | ||
145 | #define init_stack (init_thread_union.stack) | ||
146 | |||
147 | /* how to get the thread information struct from C */ | ||
148 | register struct thread_info *current_thread_info_reg asm("g6"); | ||
149 | #define current_thread_info() (current_thread_info_reg) | ||
150 | |||
151 | /* thread information allocation */ | ||
152 | #if PAGE_SHIFT == 13 | ||
153 | #define __THREAD_INFO_ORDER 1 | ||
154 | #else /* PAGE_SHIFT == 13 */ | ||
155 | #define __THREAD_INFO_ORDER 0 | ||
156 | #endif /* PAGE_SHIFT == 13 */ | ||
157 | |||
158 | #ifdef CONFIG_DEBUG_STACK_USAGE | ||
159 | #define alloc_thread_info(tsk) \ | ||
160 | ({ \ | ||
161 | struct thread_info *ret; \ | ||
162 | \ | ||
163 | ret = (struct thread_info *) \ | ||
164 | __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \ | ||
165 | if (ret) \ | ||
166 | memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \ | ||
167 | ret; \ | ||
168 | }) | ||
169 | #else | ||
170 | #define alloc_thread_info(tsk) \ | ||
171 | ((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER)) | ||
172 | #endif | ||
173 | |||
174 | #define free_thread_info(ti) \ | ||
175 | free_pages((unsigned long)(ti),__THREAD_INFO_ORDER) | ||
176 | |||
177 | #define __thread_flag_byte_ptr(ti) \ | ||
178 | ((unsigned char *)(&((ti)->flags))) | ||
179 | #define __cur_thread_flag_byte_ptr __thread_flag_byte_ptr(current_thread_info()) | ||
180 | |||
181 | #define get_thread_fault_code() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE]) | ||
182 | #define set_thread_fault_code(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val)) | ||
183 | #define get_thread_wstate() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE]) | ||
184 | #define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val)) | ||
185 | #define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP]) | ||
186 | #define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val)) | ||
187 | #define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS]) | ||
188 | #define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val)) | ||
189 | #define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH]) | ||
190 | #define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val)) | ||
191 | #define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED]) | ||
192 | #define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val)) | ||
193 | |||
194 | #endif /* !(__ASSEMBLY__) */ | ||
195 | |||
196 | /* | ||
197 | * Thread information flags, only 16 bits are available as we encode | ||
198 | * other values into the upper 6 bytes. | ||
199 | * | ||
200 | * On trap return we need to test several values: | ||
201 | * | ||
202 | * user: need_resched, notify_resume, sigpending, wsaved, perfctr | ||
203 | * kernel: fpdepth | ||
204 | * | ||
205 | * So to check for work in the kernel case we simply load the fpdepth | ||
206 | * byte out of the flags and test it. For the user case we encode the | ||
207 | * lower 3 bytes of flags as follows: | ||
208 | * ---------------------------------------- | ||
209 | * | wsaved | flags byte 1 | flags byte 2 | | ||
210 | * ---------------------------------------- | ||
211 | * This optimizes the user test into: | ||
212 | * ldx [%g6 + TI_FLAGS], REG1 | ||
213 | * sethi %hi(_TIF_USER_WORK_MASK), REG2 | ||
214 | * or REG2, %lo(_TIF_USER_WORK_MASK), REG2 | ||
215 | * andcc REG1, REG2, %g0 | ||
216 | * be,pt no_work_to_do | ||
217 | * nop | ||
218 | */ | ||
219 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
220 | /* flags bit 1 is available */ | ||
221 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
222 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
223 | #define TIF_PERFCTR 4 /* performance counters active */ | ||
224 | #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ | ||
225 | /* flag bit 6 is available */ | ||
226 | #define TIF_32BIT 7 /* 32-bit binary */ | ||
227 | /* flag bit 8 is available */ | ||
228 | #define TIF_SECCOMP 9 /* secure computing */ | ||
229 | #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ | ||
230 | /* flag bit 11 is available */ | ||
231 | /* NOTE: Thread flags >= 12 should be ones we have no interest | ||
232 | * in using in assembly, else we can't use the mask as | ||
233 | * an immediate value in instructions such as andcc. | ||
234 | */ | ||
235 | #define TIF_ABI_PENDING 12 | ||
236 | #define TIF_MEMDIE 13 | ||
237 | #define TIF_POLLING_NRFLAG 14 | ||
238 | |||
239 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
240 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
241 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
242 | #define _TIF_PERFCTR (1<<TIF_PERFCTR) | ||
243 | #define _TIF_UNALIGNED (1<<TIF_UNALIGNED) | ||
244 | #define _TIF_32BIT (1<<TIF_32BIT) | ||
245 | #define _TIF_SECCOMP (1<<TIF_SECCOMP) | ||
246 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) | ||
247 | #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) | ||
248 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
249 | |||
250 | #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ | ||
251 | (_TIF_SIGPENDING | \ | ||
252 | _TIF_NEED_RESCHED | _TIF_PERFCTR)) | ||
253 | |||
254 | /* | ||
255 | * Thread-synchronous status. | ||
256 | * | ||
257 | * This is different from the flags in that nobody else | ||
258 | * ever touches our thread-synchronous status, so we don't | ||
259 | * have to worry about atomic accesses. | ||
260 | * | ||
261 | * Note that there are only 8 bits available. | ||
262 | */ | ||
263 | #define TS_RESTORE_SIGMASK 0x0001 /* restore signal mask in do_signal() */ | ||
264 | |||
265 | #ifndef __ASSEMBLY__ | ||
266 | #define HAVE_SET_RESTORE_SIGMASK 1 | ||
267 | static inline void set_restore_sigmask(void) | ||
268 | { | ||
269 | struct thread_info *ti = current_thread_info(); | ||
270 | ti->status |= TS_RESTORE_SIGMASK; | ||
271 | set_bit(TIF_SIGPENDING, &ti->flags); | ||
272 | } | ||
273 | #endif /* !__ASSEMBLY__ */ | ||
274 | |||
275 | #endif /* __KERNEL__ */ | ||
276 | |||
277 | #endif /* _ASM_THREAD_INFO_H */ | ||
diff --git a/include/asm-sparc/timer.h b/include/asm-sparc/timer.h index 361e53898dd7..475baa05a96e 100644 --- a/include/asm-sparc/timer.h +++ b/include/asm-sparc/timer.h | |||
@@ -1,107 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_TIMER_H |
2 | * timer.h: Definitions for the timer chips on the Sparc. | 2 | #define ___ASM_SPARC_TIMER_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/timer_64.h> |
5 | */ | ||
6 | |||
7 | |||
8 | #ifndef _SPARC_TIMER_H | ||
9 | #define _SPARC_TIMER_H | ||
10 | |||
11 | #include <asm/system.h> /* For SUN4M_NCPUS */ | ||
12 | #include <asm/sun4paddr.h> | ||
13 | #include <asm/btfixup.h> | ||
14 | |||
15 | /* Timer structures. The interrupt timer has two properties which | ||
16 | * are the counter (which is handled in do_timer in sched.c) and the limit. | ||
17 | * This limit is where the timer's counter 'wraps' around. Oddly enough, | ||
18 | * the sun4c timer when it hits the limit wraps back to 1 and not zero | ||
19 | * thus when calculating the value at which it will fire a microsecond you | ||
20 | * must adjust by one. Thanks SUN for designing such great hardware ;( | ||
21 | */ | ||
22 | |||
23 | /* Note that I am only going to use the timer that interrupts at | ||
24 | * Sparc IRQ 10. There is another one available that can fire at | ||
25 | * IRQ 14. Currently it is left untouched, we keep the PROM's limit | ||
26 | * register value and let the prom take these interrupts. This allows | ||
27 | * L1-A to work. | ||
28 | */ | ||
29 | |||
30 | struct sun4c_timer_info { | ||
31 | __volatile__ unsigned int cur_count10; | ||
32 | __volatile__ unsigned int timer_limit10; | ||
33 | __volatile__ unsigned int cur_count14; | ||
34 | __volatile__ unsigned int timer_limit14; | ||
35 | }; | ||
36 | |||
37 | #define SUN4C_TIMER_PHYSADDR 0xf3000000 | ||
38 | #ifdef CONFIG_SUN4 | ||
39 | #define SUN_TIMER_PHYSADDR SUN4_300_TIMER_PHYSADDR | ||
40 | #else | 5 | #else |
41 | #define SUN_TIMER_PHYSADDR SUN4C_TIMER_PHYSADDR | 6 | #include <asm-sparc/timer_32.h> |
7 | #endif | ||
42 | #endif | 8 | #endif |
43 | |||
44 | /* A sun4m has two blocks of registers which are probably of the same | ||
45 | * structure. LSI Logic's L64851 is told to _decrement_ from the limit | ||
46 | * value. Aurora behaves similarly but its limit value is compacted in | ||
47 | * other fashion (it's wider). Documented fields are defined here. | ||
48 | */ | ||
49 | |||
50 | /* As with the interrupt register, we have two classes of timer registers | ||
51 | * which are per-cpu and master. Per-cpu timers only hit that cpu and are | ||
52 | * only level 14 ticks, master timer hits all cpus and is level 10. | ||
53 | */ | ||
54 | |||
55 | #define SUN4M_PRM_CNT_L 0x80000000 | ||
56 | #define SUN4M_PRM_CNT_LVALUE 0x7FFFFC00 | ||
57 | |||
58 | struct sun4m_timer_percpu_info { | ||
59 | __volatile__ unsigned int l14_timer_limit; /* Initial value is 0x009c4000 */ | ||
60 | __volatile__ unsigned int l14_cur_count; | ||
61 | |||
62 | /* This register appears to be write only and/or inaccessible | ||
63 | * on Uni-Processor sun4m machines. | ||
64 | */ | ||
65 | __volatile__ unsigned int l14_limit_noclear; /* Data access error is here */ | ||
66 | |||
67 | __volatile__ unsigned int cntrl; /* =1 after POST on Aurora */ | ||
68 | __volatile__ unsigned char space[PAGE_SIZE - 16]; | ||
69 | }; | ||
70 | |||
71 | struct sun4m_timer_regs { | ||
72 | struct sun4m_timer_percpu_info cpu_timers[SUN4M_NCPUS]; | ||
73 | volatile unsigned int l10_timer_limit; | ||
74 | volatile unsigned int l10_cur_count; | ||
75 | |||
76 | /* Again, this appears to be write only and/or inaccessible | ||
77 | * on uni-processor sun4m machines. | ||
78 | */ | ||
79 | volatile unsigned int l10_limit_noclear; | ||
80 | |||
81 | /* This register too, it must be magic. */ | ||
82 | volatile unsigned int foobar; | ||
83 | |||
84 | volatile unsigned int cfg; /* equals zero at boot time... */ | ||
85 | }; | ||
86 | |||
87 | #define SUN4D_PRM_CNT_L 0x80000000 | ||
88 | #define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00 | ||
89 | |||
90 | struct sun4d_timer_regs { | ||
91 | volatile unsigned int l10_timer_limit; | ||
92 | volatile unsigned int l10_cur_countx; | ||
93 | volatile unsigned int l10_limit_noclear; | ||
94 | volatile unsigned int ctrl; | ||
95 | volatile unsigned int l10_cur_count; | ||
96 | }; | ||
97 | |||
98 | extern struct sun4d_timer_regs *sun4d_timers; | ||
99 | |||
100 | extern __volatile__ unsigned int *master_l10_counter; | ||
101 | extern __volatile__ unsigned int *master_l10_limit; | ||
102 | |||
103 | /* FIXME: Make do_[gs]ettimeofday btfixup calls */ | ||
104 | BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv) | ||
105 | #define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv) | ||
106 | |||
107 | #endif /* !(_SPARC_TIMER_H) */ | ||
diff --git a/include/asm-sparc/timer_32.h b/include/asm-sparc/timer_32.h new file mode 100644 index 000000000000..361e53898dd7 --- /dev/null +++ b/include/asm-sparc/timer_32.h | |||
@@ -0,0 +1,107 @@ | |||
1 | /* | ||
2 | * timer.h: Definitions for the timer chips on the Sparc. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | |||
8 | #ifndef _SPARC_TIMER_H | ||
9 | #define _SPARC_TIMER_H | ||
10 | |||
11 | #include <asm/system.h> /* For SUN4M_NCPUS */ | ||
12 | #include <asm/sun4paddr.h> | ||
13 | #include <asm/btfixup.h> | ||
14 | |||
15 | /* Timer structures. The interrupt timer has two properties which | ||
16 | * are the counter (which is handled in do_timer in sched.c) and the limit. | ||
17 | * This limit is where the timer's counter 'wraps' around. Oddly enough, | ||
18 | * the sun4c timer when it hits the limit wraps back to 1 and not zero | ||
19 | * thus when calculating the value at which it will fire a microsecond you | ||
20 | * must adjust by one. Thanks SUN for designing such great hardware ;( | ||
21 | */ | ||
22 | |||
23 | /* Note that I am only going to use the timer that interrupts at | ||
24 | * Sparc IRQ 10. There is another one available that can fire at | ||
25 | * IRQ 14. Currently it is left untouched, we keep the PROM's limit | ||
26 | * register value and let the prom take these interrupts. This allows | ||
27 | * L1-A to work. | ||
28 | */ | ||
29 | |||
30 | struct sun4c_timer_info { | ||
31 | __volatile__ unsigned int cur_count10; | ||
32 | __volatile__ unsigned int timer_limit10; | ||
33 | __volatile__ unsigned int cur_count14; | ||
34 | __volatile__ unsigned int timer_limit14; | ||
35 | }; | ||
36 | |||
37 | #define SUN4C_TIMER_PHYSADDR 0xf3000000 | ||
38 | #ifdef CONFIG_SUN4 | ||
39 | #define SUN_TIMER_PHYSADDR SUN4_300_TIMER_PHYSADDR | ||
40 | #else | ||
41 | #define SUN_TIMER_PHYSADDR SUN4C_TIMER_PHYSADDR | ||
42 | #endif | ||
43 | |||
44 | /* A sun4m has two blocks of registers which are probably of the same | ||
45 | * structure. LSI Logic's L64851 is told to _decrement_ from the limit | ||
46 | * value. Aurora behaves similarly but its limit value is compacted in | ||
47 | * other fashion (it's wider). Documented fields are defined here. | ||
48 | */ | ||
49 | |||
50 | /* As with the interrupt register, we have two classes of timer registers | ||
51 | * which are per-cpu and master. Per-cpu timers only hit that cpu and are | ||
52 | * only level 14 ticks, master timer hits all cpus and is level 10. | ||
53 | */ | ||
54 | |||
55 | #define SUN4M_PRM_CNT_L 0x80000000 | ||
56 | #define SUN4M_PRM_CNT_LVALUE 0x7FFFFC00 | ||
57 | |||
58 | struct sun4m_timer_percpu_info { | ||
59 | __volatile__ unsigned int l14_timer_limit; /* Initial value is 0x009c4000 */ | ||
60 | __volatile__ unsigned int l14_cur_count; | ||
61 | |||
62 | /* This register appears to be write only and/or inaccessible | ||
63 | * on Uni-Processor sun4m machines. | ||
64 | */ | ||
65 | __volatile__ unsigned int l14_limit_noclear; /* Data access error is here */ | ||
66 | |||
67 | __volatile__ unsigned int cntrl; /* =1 after POST on Aurora */ | ||
68 | __volatile__ unsigned char space[PAGE_SIZE - 16]; | ||
69 | }; | ||
70 | |||
71 | struct sun4m_timer_regs { | ||
72 | struct sun4m_timer_percpu_info cpu_timers[SUN4M_NCPUS]; | ||
73 | volatile unsigned int l10_timer_limit; | ||
74 | volatile unsigned int l10_cur_count; | ||
75 | |||
76 | /* Again, this appears to be write only and/or inaccessible | ||
77 | * on uni-processor sun4m machines. | ||
78 | */ | ||
79 | volatile unsigned int l10_limit_noclear; | ||
80 | |||
81 | /* This register too, it must be magic. */ | ||
82 | volatile unsigned int foobar; | ||
83 | |||
84 | volatile unsigned int cfg; /* equals zero at boot time... */ | ||
85 | }; | ||
86 | |||
87 | #define SUN4D_PRM_CNT_L 0x80000000 | ||
88 | #define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00 | ||
89 | |||
90 | struct sun4d_timer_regs { | ||
91 | volatile unsigned int l10_timer_limit; | ||
92 | volatile unsigned int l10_cur_countx; | ||
93 | volatile unsigned int l10_limit_noclear; | ||
94 | volatile unsigned int ctrl; | ||
95 | volatile unsigned int l10_cur_count; | ||
96 | }; | ||
97 | |||
98 | extern struct sun4d_timer_regs *sun4d_timers; | ||
99 | |||
100 | extern __volatile__ unsigned int *master_l10_counter; | ||
101 | extern __volatile__ unsigned int *master_l10_limit; | ||
102 | |||
103 | /* FIXME: Make do_[gs]ettimeofday btfixup calls */ | ||
104 | BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv) | ||
105 | #define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv) | ||
106 | |||
107 | #endif /* !(_SPARC_TIMER_H) */ | ||
diff --git a/include/asm-sparc/timer_64.h b/include/asm-sparc/timer_64.h new file mode 100644 index 000000000000..5b779fd1f788 --- /dev/null +++ b/include/asm-sparc/timer_64.h | |||
@@ -0,0 +1,30 @@ | |||
1 | /* timer.h: System timer definitions for sun5. | ||
2 | * | ||
3 | * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_TIMER_H | ||
7 | #define _SPARC64_TIMER_H | ||
8 | |||
9 | #include <linux/types.h> | ||
10 | #include <linux/init.h> | ||
11 | |||
12 | struct sparc64_tick_ops { | ||
13 | unsigned long (*get_tick)(void); | ||
14 | int (*add_compare)(unsigned long); | ||
15 | unsigned long softint_mask; | ||
16 | void (*disable_irq)(void); | ||
17 | |||
18 | void (*init_tick)(void); | ||
19 | unsigned long (*add_tick)(unsigned long); | ||
20 | |||
21 | char *name; | ||
22 | }; | ||
23 | |||
24 | extern struct sparc64_tick_ops *tick_ops; | ||
25 | |||
26 | extern unsigned long sparc64_get_clock_tick(unsigned int cpu); | ||
27 | extern void __devinit setup_sparc64_timer(void); | ||
28 | extern void __init time_init(void); | ||
29 | |||
30 | #endif /* _SPARC64_TIMER_H */ | ||
diff --git a/include/asm-sparc/timex.h b/include/asm-sparc/timex.h index 71b45c90ccae..01d9f199d452 100644 --- a/include/asm-sparc/timex.h +++ b/include/asm-sparc/timex.h | |||
@@ -1,15 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_TIMEX_H |
2 | * linux/include/asm-sparc/timex.h | 2 | #define ___ASM_SPARC_TIMEX_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * sparc architecture timex specifications | 4 | #include <asm-sparc/timex_64.h> |
5 | */ | 5 | #else |
6 | #ifndef _ASMsparc_TIMEX_H | 6 | #include <asm-sparc/timex_32.h> |
7 | #define _ASMsparc_TIMEX_H | 7 | #endif |
8 | |||
9 | #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ | ||
10 | |||
11 | /* XXX Maybe do something better at some point... -DaveM */ | ||
12 | typedef unsigned long cycles_t; | ||
13 | #define get_cycles() (0) | ||
14 | |||
15 | #endif | 8 | #endif |
diff --git a/include/asm-sparc/timex_32.h b/include/asm-sparc/timex_32.h new file mode 100644 index 000000000000..71b45c90ccae --- /dev/null +++ b/include/asm-sparc/timex_32.h | |||
@@ -0,0 +1,15 @@ | |||
1 | /* | ||
2 | * linux/include/asm-sparc/timex.h | ||
3 | * | ||
4 | * sparc architecture timex specifications | ||
5 | */ | ||
6 | #ifndef _ASMsparc_TIMEX_H | ||
7 | #define _ASMsparc_TIMEX_H | ||
8 | |||
9 | #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ | ||
10 | |||
11 | /* XXX Maybe do something better at some point... -DaveM */ | ||
12 | typedef unsigned long cycles_t; | ||
13 | #define get_cycles() (0) | ||
14 | |||
15 | #endif | ||
diff --git a/include/asm-sparc/timex_64.h b/include/asm-sparc/timex_64.h new file mode 100644 index 000000000000..c622535c4560 --- /dev/null +++ b/include/asm-sparc/timex_64.h | |||
@@ -0,0 +1,19 @@ | |||
1 | /* | ||
2 | * linux/include/asm-sparc64/timex.h | ||
3 | * | ||
4 | * sparc64 architecture timex specifications | ||
5 | */ | ||
6 | #ifndef _ASMsparc64_TIMEX_H | ||
7 | #define _ASMsparc64_TIMEX_H | ||
8 | |||
9 | #include <asm/timer.h> | ||
10 | |||
11 | #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ | ||
12 | |||
13 | /* Getting on the cycle counter on sparc64. */ | ||
14 | typedef unsigned long cycles_t; | ||
15 | #define get_cycles() tick_ops->get_tick() | ||
16 | |||
17 | #define ARCH_HAS_READ_CURRENT_TIMER | ||
18 | |||
19 | #endif | ||
diff --git a/include/asm-sparc/tlb.h b/include/asm-sparc/tlb.h index 6d02d1ce53f3..a821057327c4 100644 --- a/include/asm-sparc/tlb.h +++ b/include/asm-sparc/tlb.h | |||
@@ -1,24 +1,8 @@ | |||
1 | #ifndef _SPARC_TLB_H | 1 | #ifndef ___ASM_SPARC_TLB_H |
2 | #define _SPARC_TLB_H | 2 | #define ___ASM_SPARC_TLB_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #define tlb_start_vma(tlb, vma) \ | 4 | #include <asm-sparc/tlb_64.h> |
5 | do { \ | 5 | #else |
6 | flush_cache_range(vma, vma->vm_start, vma->vm_end); \ | 6 | #include <asm-sparc/tlb_32.h> |
7 | } while (0) | 7 | #endif |
8 | 8 | #endif | |
9 | #define tlb_end_vma(tlb, vma) \ | ||
10 | do { \ | ||
11 | flush_tlb_range(vma, vma->vm_start, vma->vm_end); \ | ||
12 | } while (0) | ||
13 | |||
14 | #define __tlb_remove_tlb_entry(tlb, pte, address) \ | ||
15 | do { } while (0) | ||
16 | |||
17 | #define tlb_flush(tlb) \ | ||
18 | do { \ | ||
19 | flush_tlb_mm((tlb)->mm); \ | ||
20 | } while (0) | ||
21 | |||
22 | #include <asm-generic/tlb.h> | ||
23 | |||
24 | #endif /* _SPARC_TLB_H */ | ||
diff --git a/include/asm-sparc/tlb_32.h b/include/asm-sparc/tlb_32.h new file mode 100644 index 000000000000..6d02d1ce53f3 --- /dev/null +++ b/include/asm-sparc/tlb_32.h | |||
@@ -0,0 +1,24 @@ | |||
1 | #ifndef _SPARC_TLB_H | ||
2 | #define _SPARC_TLB_H | ||
3 | |||
4 | #define tlb_start_vma(tlb, vma) \ | ||
5 | do { \ | ||
6 | flush_cache_range(vma, vma->vm_start, vma->vm_end); \ | ||
7 | } while (0) | ||
8 | |||
9 | #define tlb_end_vma(tlb, vma) \ | ||
10 | do { \ | ||
11 | flush_tlb_range(vma, vma->vm_start, vma->vm_end); \ | ||
12 | } while (0) | ||
13 | |||
14 | #define __tlb_remove_tlb_entry(tlb, pte, address) \ | ||
15 | do { } while (0) | ||
16 | |||
17 | #define tlb_flush(tlb) \ | ||
18 | do { \ | ||
19 | flush_tlb_mm((tlb)->mm); \ | ||
20 | } while (0) | ||
21 | |||
22 | #include <asm-generic/tlb.h> | ||
23 | |||
24 | #endif /* _SPARC_TLB_H */ | ||
diff --git a/include/asm-sparc/tlb_64.h b/include/asm-sparc/tlb_64.h new file mode 100644 index 000000000000..ec81cdedef2c --- /dev/null +++ b/include/asm-sparc/tlb_64.h | |||
@@ -0,0 +1,111 @@ | |||
1 | #ifndef _SPARC64_TLB_H | ||
2 | #define _SPARC64_TLB_H | ||
3 | |||
4 | #include <linux/swap.h> | ||
5 | #include <linux/pagemap.h> | ||
6 | #include <asm/pgalloc.h> | ||
7 | #include <asm/tlbflush.h> | ||
8 | #include <asm/mmu_context.h> | ||
9 | |||
10 | #define TLB_BATCH_NR 192 | ||
11 | |||
12 | /* | ||
13 | * For UP we don't need to worry about TLB flush | ||
14 | * and page free order so much.. | ||
15 | */ | ||
16 | #ifdef CONFIG_SMP | ||
17 | #define FREE_PTE_NR 506 | ||
18 | #define tlb_fast_mode(bp) ((bp)->pages_nr == ~0U) | ||
19 | #else | ||
20 | #define FREE_PTE_NR 1 | ||
21 | #define tlb_fast_mode(bp) 1 | ||
22 | #endif | ||
23 | |||
24 | struct mmu_gather { | ||
25 | struct mm_struct *mm; | ||
26 | unsigned int pages_nr; | ||
27 | unsigned int need_flush; | ||
28 | unsigned int fullmm; | ||
29 | unsigned int tlb_nr; | ||
30 | unsigned long vaddrs[TLB_BATCH_NR]; | ||
31 | struct page *pages[FREE_PTE_NR]; | ||
32 | }; | ||
33 | |||
34 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | ||
35 | |||
36 | #ifdef CONFIG_SMP | ||
37 | extern void smp_flush_tlb_pending(struct mm_struct *, | ||
38 | unsigned long, unsigned long *); | ||
39 | #endif | ||
40 | |||
41 | extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); | ||
42 | extern void flush_tlb_pending(void); | ||
43 | |||
44 | static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | ||
45 | { | ||
46 | struct mmu_gather *mp = &get_cpu_var(mmu_gathers); | ||
47 | |||
48 | BUG_ON(mp->tlb_nr); | ||
49 | |||
50 | mp->mm = mm; | ||
51 | mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U; | ||
52 | mp->fullmm = full_mm_flush; | ||
53 | |||
54 | return mp; | ||
55 | } | ||
56 | |||
57 | |||
58 | static inline void tlb_flush_mmu(struct mmu_gather *mp) | ||
59 | { | ||
60 | if (mp->need_flush) { | ||
61 | free_pages_and_swap_cache(mp->pages, mp->pages_nr); | ||
62 | mp->pages_nr = 0; | ||
63 | mp->need_flush = 0; | ||
64 | } | ||
65 | |||
66 | } | ||
67 | |||
68 | #ifdef CONFIG_SMP | ||
69 | extern void smp_flush_tlb_mm(struct mm_struct *mm); | ||
70 | #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm) | ||
71 | #else | ||
72 | #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT) | ||
73 | #endif | ||
74 | |||
75 | static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end) | ||
76 | { | ||
77 | tlb_flush_mmu(mp); | ||
78 | |||
79 | if (mp->fullmm) | ||
80 | mp->fullmm = 0; | ||
81 | else | ||
82 | flush_tlb_pending(); | ||
83 | |||
84 | /* keep the page table cache within bounds */ | ||
85 | check_pgt_cache(); | ||
86 | |||
87 | put_cpu_var(mmu_gathers); | ||
88 | } | ||
89 | |||
90 | static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page) | ||
91 | { | ||
92 | if (tlb_fast_mode(mp)) { | ||
93 | free_page_and_swap_cache(page); | ||
94 | return; | ||
95 | } | ||
96 | mp->need_flush = 1; | ||
97 | mp->pages[mp->pages_nr++] = page; | ||
98 | if (mp->pages_nr >= FREE_PTE_NR) | ||
99 | tlb_flush_mmu(mp); | ||
100 | } | ||
101 | |||
102 | #define tlb_remove_tlb_entry(mp,ptep,addr) do { } while (0) | ||
103 | #define pte_free_tlb(mp, ptepage) pte_free((mp)->mm, ptepage) | ||
104 | #define pmd_free_tlb(mp, pmdp) pmd_free((mp)->mm, pmdp) | ||
105 | #define pud_free_tlb(tlb,pudp) __pud_free_tlb(tlb,pudp) | ||
106 | |||
107 | #define tlb_migrate_finish(mm) do { } while (0) | ||
108 | #define tlb_start_vma(tlb, vma) do { } while (0) | ||
109 | #define tlb_end_vma(tlb, vma) do { } while (0) | ||
110 | |||
111 | #endif /* _SPARC64_TLB_H */ | ||
diff --git a/include/asm-sparc/tlbflush.h b/include/asm-sparc/tlbflush.h index b957e29d2ae1..6e6bc12227b8 100644 --- a/include/asm-sparc/tlbflush.h +++ b/include/asm-sparc/tlbflush.h | |||
@@ -1,60 +1,8 @@ | |||
1 | #ifndef _SPARC_TLBFLUSH_H | 1 | #ifndef ___ASM_SPARC_TLBFLUSH_H |
2 | #define _SPARC_TLBFLUSH_H | 2 | #define ___ASM_SPARC_TLBFLUSH_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <linux/mm.h> | 4 | #include <asm-sparc/tlbflush_64.h> |
5 | // #include <asm/processor.h> | 5 | #else |
6 | 6 | #include <asm-sparc/tlbflush_32.h> | |
7 | /* | 7 | #endif |
8 | * TLB flushing: | 8 | #endif |
9 | * | ||
10 | * - flush_tlb() flushes the current mm struct TLBs XXX Exists? | ||
11 | * - flush_tlb_all() flushes all processes TLBs | ||
12 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||
13 | * - flush_tlb_page(vma, vmaddr) flushes one page | ||
14 | * - flush_tlb_range(vma, start, end) flushes a range of pages | ||
15 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | ||
16 | */ | ||
17 | |||
18 | #ifdef CONFIG_SMP | ||
19 | |||
20 | BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) | ||
21 | BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) | ||
22 | BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
23 | BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
24 | |||
25 | #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() | ||
26 | #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) | ||
27 | #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end) | ||
28 | #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) | ||
29 | |||
30 | extern void smp_flush_tlb_all(void); | ||
31 | extern void smp_flush_tlb_mm(struct mm_struct *mm); | ||
32 | extern void smp_flush_tlb_range(struct vm_area_struct *vma, | ||
33 | unsigned long start, | ||
34 | unsigned long end); | ||
35 | extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); | ||
36 | |||
37 | #endif /* CONFIG_SMP */ | ||
38 | |||
39 | BTFIXUPDEF_CALL(void, flush_tlb_all, void) | ||
40 | BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) | ||
41 | BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
42 | BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
43 | |||
44 | #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() | ||
45 | #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) | ||
46 | #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) | ||
47 | #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) | ||
48 | |||
49 | // #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */ | ||
50 | |||
51 | /* | ||
52 | * This is a kludge, until I know better. --zaitcev XXX | ||
53 | */ | ||
54 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
55 | unsigned long end) | ||
56 | { | ||
57 | flush_tlb_all(); | ||
58 | } | ||
59 | |||
60 | #endif /* _SPARC_TLBFLUSH_H */ | ||
diff --git a/include/asm-sparc/tlbflush_32.h b/include/asm-sparc/tlbflush_32.h new file mode 100644 index 000000000000..fe0a71abc9bb --- /dev/null +++ b/include/asm-sparc/tlbflush_32.h | |||
@@ -0,0 +1,60 @@ | |||
1 | #ifndef _SPARC_TLBFLUSH_H | ||
2 | #define _SPARC_TLBFLUSH_H | ||
3 | |||
4 | #include <linux/mm.h> | ||
5 | // #include <asm/processor.h> | ||
6 | |||
7 | /* | ||
8 | * TLB flushing: | ||
9 | * | ||
10 | * - flush_tlb() flushes the current mm struct TLBs XXX Exists? | ||
11 | * - flush_tlb_all() flushes all processes TLBs | ||
12 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||
13 | * - flush_tlb_page(vma, vmaddr) flushes one page | ||
14 | * - flush_tlb_range(vma, start, end) flushes a range of pages | ||
15 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | ||
16 | */ | ||
17 | |||
18 | #ifdef CONFIG_SMP | ||
19 | |||
20 | BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) | ||
21 | BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) | ||
22 | BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
23 | BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
24 | |||
25 | #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() | ||
26 | #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) | ||
27 | #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end) | ||
28 | #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) | ||
29 | |||
30 | extern void smp_flush_tlb_all(void); | ||
31 | extern void smp_flush_tlb_mm(struct mm_struct *mm); | ||
32 | extern void smp_flush_tlb_range(struct vm_area_struct *vma, | ||
33 | unsigned long start, | ||
34 | unsigned long end); | ||
35 | extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); | ||
36 | |||
37 | #endif /* CONFIG_SMP */ | ||
38 | |||
39 | BTFIXUPDEF_CALL(void, flush_tlb_all, void) | ||
40 | BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) | ||
41 | BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
42 | BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
43 | |||
44 | #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() | ||
45 | #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) | ||
46 | #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) | ||
47 | #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) | ||
48 | |||
49 | // #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */ | ||
50 | |||
51 | /* | ||
52 | * This is a kludge, until I know better. --zaitcev XXX | ||
53 | */ | ||
54 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
55 | unsigned long end) | ||
56 | { | ||
57 | flush_tlb_all(); | ||
58 | } | ||
59 | |||
60 | #endif /* _SPARC_TLBFLUSH_H */ | ||
diff --git a/include/asm-sparc/tlbflush_64.h b/include/asm-sparc/tlbflush_64.h new file mode 100644 index 000000000000..fbb675dbe0c9 --- /dev/null +++ b/include/asm-sparc/tlbflush_64.h | |||
@@ -0,0 +1,44 @@ | |||
1 | #ifndef _SPARC64_TLBFLUSH_H | ||
2 | #define _SPARC64_TLBFLUSH_H | ||
3 | |||
4 | #include <linux/mm.h> | ||
5 | #include <asm/mmu_context.h> | ||
6 | |||
7 | /* TSB flush operations. */ | ||
8 | struct mmu_gather; | ||
9 | extern void flush_tsb_kernel_range(unsigned long start, unsigned long end); | ||
10 | extern void flush_tsb_user(struct mmu_gather *mp); | ||
11 | |||
12 | /* TLB flush operations. */ | ||
13 | |||
14 | extern void flush_tlb_pending(void); | ||
15 | |||
16 | #define flush_tlb_range(vma,start,end) \ | ||
17 | do { (void)(start); flush_tlb_pending(); } while (0) | ||
18 | #define flush_tlb_page(vma,addr) flush_tlb_pending() | ||
19 | #define flush_tlb_mm(mm) flush_tlb_pending() | ||
20 | |||
21 | /* Local cpu only. */ | ||
22 | extern void __flush_tlb_all(void); | ||
23 | |||
24 | extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
25 | |||
26 | #ifndef CONFIG_SMP | ||
27 | |||
28 | #define flush_tlb_kernel_range(start,end) \ | ||
29 | do { flush_tsb_kernel_range(start,end); \ | ||
30 | __flush_tlb_kernel_range(start,end); \ | ||
31 | } while (0) | ||
32 | |||
33 | #else /* CONFIG_SMP */ | ||
34 | |||
35 | extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
36 | |||
37 | #define flush_tlb_kernel_range(start, end) \ | ||
38 | do { flush_tsb_kernel_range(start,end); \ | ||
39 | smp_flush_tlb_kernel_range(start, end); \ | ||
40 | } while (0) | ||
41 | |||
42 | #endif /* ! CONFIG_SMP */ | ||
43 | |||
44 | #endif /* _SPARC64_TLBFLUSH_H */ | ||
diff --git a/include/asm-sparc/topology.h b/include/asm-sparc/topology.h index ee5ac9c9da28..ed13630f32e2 100644 --- a/include/asm-sparc/topology.h +++ b/include/asm-sparc/topology.h | |||
@@ -1,6 +1,8 @@ | |||
1 | #ifndef _ASM_SPARC_TOPOLOGY_H | 1 | #ifndef ___ASM_SPARC_TOPOLOGY_H |
2 | #define _ASM_SPARC_TOPOLOGY_H | 2 | #define ___ASM_SPARC_TOPOLOGY_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | #include <asm-generic/topology.h> | 4 | #include <asm-sparc/topology_64.h> |
5 | 5 | #else | |
6 | #endif /* _ASM_SPARC_TOPOLOGY_H */ | 6 | #include <asm-sparc/topology_32.h> |
7 | #endif | ||
8 | #endif | ||
diff --git a/include/asm-sparc/topology_32.h b/include/asm-sparc/topology_32.h new file mode 100644 index 000000000000..ee5ac9c9da28 --- /dev/null +++ b/include/asm-sparc/topology_32.h | |||
@@ -0,0 +1,6 @@ | |||
1 | #ifndef _ASM_SPARC_TOPOLOGY_H | ||
2 | #define _ASM_SPARC_TOPOLOGY_H | ||
3 | |||
4 | #include <asm-generic/topology.h> | ||
5 | |||
6 | #endif /* _ASM_SPARC_TOPOLOGY_H */ | ||
diff --git a/include/asm-sparc/topology_64.h b/include/asm-sparc/topology_64.h new file mode 100644 index 000000000000..001c04027c82 --- /dev/null +++ b/include/asm-sparc/topology_64.h | |||
@@ -0,0 +1,86 @@ | |||
1 | #ifndef _ASM_SPARC64_TOPOLOGY_H | ||
2 | #define _ASM_SPARC64_TOPOLOGY_H | ||
3 | |||
4 | #ifdef CONFIG_NUMA | ||
5 | |||
6 | #include <asm/mmzone.h> | ||
7 | |||
8 | static inline int cpu_to_node(int cpu) | ||
9 | { | ||
10 | return numa_cpu_lookup_table[cpu]; | ||
11 | } | ||
12 | |||
13 | #define parent_node(node) (node) | ||
14 | |||
15 | static inline cpumask_t node_to_cpumask(int node) | ||
16 | { | ||
17 | return numa_cpumask_lookup_table[node]; | ||
18 | } | ||
19 | |||
20 | /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ | ||
21 | #define node_to_cpumask_ptr(v, node) \ | ||
22 | cpumask_t *v = &(numa_cpumask_lookup_table[node]) | ||
23 | |||
24 | #define node_to_cpumask_ptr_next(v, node) \ | ||
25 | v = &(numa_cpumask_lookup_table[node]) | ||
26 | |||
27 | static inline int node_to_first_cpu(int node) | ||
28 | { | ||
29 | cpumask_t tmp; | ||
30 | tmp = node_to_cpumask(node); | ||
31 | return first_cpu(tmp); | ||
32 | } | ||
33 | |||
34 | struct pci_bus; | ||
35 | #ifdef CONFIG_PCI | ||
36 | extern int pcibus_to_node(struct pci_bus *pbus); | ||
37 | #else | ||
38 | static inline int pcibus_to_node(struct pci_bus *pbus) | ||
39 | { | ||
40 | return -1; | ||
41 | } | ||
42 | #endif | ||
43 | |||
44 | #define pcibus_to_cpumask(bus) \ | ||
45 | (pcibus_to_node(bus) == -1 ? \ | ||
46 | CPU_MASK_ALL : \ | ||
47 | node_to_cpumask(pcibus_to_node(bus))) | ||
48 | |||
49 | #define SD_NODE_INIT (struct sched_domain) { \ | ||
50 | .min_interval = 8, \ | ||
51 | .max_interval = 32, \ | ||
52 | .busy_factor = 32, \ | ||
53 | .imbalance_pct = 125, \ | ||
54 | .cache_nice_tries = 2, \ | ||
55 | .busy_idx = 3, \ | ||
56 | .idle_idx = 2, \ | ||
57 | .newidle_idx = 0, \ | ||
58 | .wake_idx = 1, \ | ||
59 | .forkexec_idx = 1, \ | ||
60 | .flags = SD_LOAD_BALANCE \ | ||
61 | | SD_BALANCE_FORK \ | ||
62 | | SD_BALANCE_EXEC \ | ||
63 | | SD_SERIALIZE \ | ||
64 | | SD_WAKE_BALANCE, \ | ||
65 | .last_balance = jiffies, \ | ||
66 | .balance_interval = 1, \ | ||
67 | } | ||
68 | |||
69 | #else /* CONFIG_NUMA */ | ||
70 | |||
71 | #include <asm-generic/topology.h> | ||
72 | |||
73 | #endif /* !(CONFIG_NUMA) */ | ||
74 | |||
75 | #ifdef CONFIG_SMP | ||
76 | #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) | ||
77 | #define topology_core_id(cpu) (cpu_data(cpu).core_id) | ||
78 | #define topology_core_siblings(cpu) (cpu_core_map[cpu]) | ||
79 | #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) | ||
80 | #define mc_capable() (sparc64_multi_core) | ||
81 | #define smt_capable() (sparc64_multi_core) | ||
82 | #endif /* CONFIG_SMP */ | ||
83 | |||
84 | #define cpu_coregroup_map(cpu) (cpu_core_map[cpu]) | ||
85 | |||
86 | #endif /* _ASM_SPARC64_TOPOLOGY_H */ | ||
diff --git a/include/asm-sparc/uaccess.h b/include/asm-sparc/uaccess.h index 47d5619d43fa..424facce5238 100644 --- a/include/asm-sparc/uaccess.h +++ b/include/asm-sparc/uaccess.h | |||
@@ -1,336 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_UACCESS_H |
2 | * uaccess.h: User space memore access functions. | 2 | #define ___ASM_SPARC_UACCESS_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | 4 | #include <asm-sparc/uaccess_64.h> |
5 | * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | 5 | #else |
6 | */ | 6 | #include <asm-sparc/uaccess_32.h> |
7 | #ifndef _ASM_UACCESS_H | 7 | #endif |
8 | #define _ASM_UACCESS_H | ||
9 | |||
10 | #ifdef __KERNEL__ | ||
11 | #include <linux/compiler.h> | ||
12 | #include <linux/sched.h> | ||
13 | #include <linux/string.h> | ||
14 | #include <linux/errno.h> | ||
15 | #include <asm/vac-ops.h> | ||
16 | #endif | 8 | #endif |
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | /* Sparc is not segmented, however we need to be able to fool access_ok() | ||
21 | * when doing system calls from kernel mode legitimately. | ||
22 | * | ||
23 | * "For historical reasons, these macros are grossly misnamed." -Linus | ||
24 | */ | ||
25 | |||
26 | #define KERNEL_DS ((mm_segment_t) { 0 }) | ||
27 | #define USER_DS ((mm_segment_t) { -1 }) | ||
28 | |||
29 | #define VERIFY_READ 0 | ||
30 | #define VERIFY_WRITE 1 | ||
31 | |||
32 | #define get_ds() (KERNEL_DS) | ||
33 | #define get_fs() (current->thread.current_ds) | ||
34 | #define set_fs(val) ((current->thread.current_ds) = (val)) | ||
35 | |||
36 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
37 | |||
38 | /* We have there a nice not-mapped page at PAGE_OFFSET - PAGE_SIZE, so that this test | ||
39 | * can be fairly lightweight. | ||
40 | * No one can read/write anything from userland in the kernel space by setting | ||
41 | * large size and address near to PAGE_OFFSET - a fault will break his intentions. | ||
42 | */ | ||
43 | #define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; }) | ||
44 | #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) | ||
45 | #define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size))) | ||
46 | #define access_ok(type, addr, size) \ | ||
47 | ({ (void)(type); __access_ok((unsigned long)(addr), size); }) | ||
48 | |||
49 | /* | ||
50 | * The exception table consists of pairs of addresses: the first is the | ||
51 | * address of an instruction that is allowed to fault, and the second is | ||
52 | * the address at which the program should continue. No registers are | ||
53 | * modified, so it is entirely up to the continuation code to figure out | ||
54 | * what to do. | ||
55 | * | ||
56 | * All the routines below use bits of fixup code that are out of line | ||
57 | * with the main instruction path. This means when everything is well, | ||
58 | * we don't even have to jump over them. Further, they do not intrude | ||
59 | * on our cache or tlb entries. | ||
60 | * | ||
61 | * There is a special way how to put a range of potentially faulting | ||
62 | * insns (like twenty ldd/std's with now intervening other instructions) | ||
63 | * You specify address of first in insn and 0 in fixup and in the next | ||
64 | * exception_table_entry you specify last potentially faulting insn + 1 | ||
65 | * and in fixup the routine which should handle the fault. | ||
66 | * That fixup code will get | ||
67 | * (faulting_insn_address - first_insn_in_the_range_address)/4 | ||
68 | * in %g2 (ie. index of the faulting instruction in the range). | ||
69 | */ | ||
70 | |||
71 | struct exception_table_entry | ||
72 | { | ||
73 | unsigned long insn, fixup; | ||
74 | }; | ||
75 | |||
76 | /* Returns 0 if exception not found and fixup otherwise. */ | ||
77 | extern unsigned long search_extables_range(unsigned long addr, unsigned long *g2); | ||
78 | |||
79 | extern void __ret_efault(void); | ||
80 | |||
81 | /* Uh, these should become the main single-value transfer routines.. | ||
82 | * They automatically use the right size if we just have the right | ||
83 | * pointer type.. | ||
84 | * | ||
85 | * This gets kind of ugly. We want to return _two_ values in "get_user()" | ||
86 | * and yet we don't want to do any pointers, because that is too much | ||
87 | * of a performance impact. Thus we have a few rather ugly macros here, | ||
88 | * and hide all the ugliness from the user. | ||
89 | */ | ||
90 | #define put_user(x,ptr) ({ \ | ||
91 | unsigned long __pu_addr = (unsigned long)(ptr); \ | ||
92 | __chk_user_ptr(ptr); \ | ||
93 | __put_user_check((__typeof__(*(ptr)))(x),__pu_addr,sizeof(*(ptr))); }) | ||
94 | |||
95 | #define get_user(x,ptr) ({ \ | ||
96 | unsigned long __gu_addr = (unsigned long)(ptr); \ | ||
97 | __chk_user_ptr(ptr); \ | ||
98 | __get_user_check((x),__gu_addr,sizeof(*(ptr)),__typeof__(*(ptr))); }) | ||
99 | |||
100 | /* | ||
101 | * The "__xxx" versions do not do address space checking, useful when | ||
102 | * doing multiple accesses to the same area (the user has to do the | ||
103 | * checks by hand with "access_ok()") | ||
104 | */ | ||
105 | #define __put_user(x,ptr) __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) | ||
106 | #define __get_user(x,ptr) __get_user_nocheck((x),(ptr),sizeof(*(ptr)),__typeof__(*(ptr))) | ||
107 | |||
108 | struct __large_struct { unsigned long buf[100]; }; | ||
109 | #define __m(x) ((struct __large_struct __user *)(x)) | ||
110 | |||
111 | #define __put_user_check(x,addr,size) ({ \ | ||
112 | register int __pu_ret; \ | ||
113 | if (__access_ok(addr,size)) { \ | ||
114 | switch (size) { \ | ||
115 | case 1: __put_user_asm(x,b,addr,__pu_ret); break; \ | ||
116 | case 2: __put_user_asm(x,h,addr,__pu_ret); break; \ | ||
117 | case 4: __put_user_asm(x,,addr,__pu_ret); break; \ | ||
118 | case 8: __put_user_asm(x,d,addr,__pu_ret); break; \ | ||
119 | default: __pu_ret = __put_user_bad(); break; \ | ||
120 | } } else { __pu_ret = -EFAULT; } __pu_ret; }) | ||
121 | |||
122 | #define __put_user_nocheck(x,addr,size) ({ \ | ||
123 | register int __pu_ret; \ | ||
124 | switch (size) { \ | ||
125 | case 1: __put_user_asm(x,b,addr,__pu_ret); break; \ | ||
126 | case 2: __put_user_asm(x,h,addr,__pu_ret); break; \ | ||
127 | case 4: __put_user_asm(x,,addr,__pu_ret); break; \ | ||
128 | case 8: __put_user_asm(x,d,addr,__pu_ret); break; \ | ||
129 | default: __pu_ret = __put_user_bad(); break; \ | ||
130 | } __pu_ret; }) | ||
131 | |||
132 | #define __put_user_asm(x,size,addr,ret) \ | ||
133 | __asm__ __volatile__( \ | ||
134 | "/* Put user asm, inline. */\n" \ | ||
135 | "1:\t" "st"#size " %1, %2\n\t" \ | ||
136 | "clr %0\n" \ | ||
137 | "2:\n\n\t" \ | ||
138 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
139 | ".align 4\n" \ | ||
140 | "3:\n\t" \ | ||
141 | "b 2b\n\t" \ | ||
142 | " mov %3, %0\n\t" \ | ||
143 | ".previous\n\n\t" \ | ||
144 | ".section __ex_table,#alloc\n\t" \ | ||
145 | ".align 4\n\t" \ | ||
146 | ".word 1b, 3b\n\t" \ | ||
147 | ".previous\n\n\t" \ | ||
148 | : "=&r" (ret) : "r" (x), "m" (*__m(addr)), \ | ||
149 | "i" (-EFAULT)) | ||
150 | |||
151 | extern int __put_user_bad(void); | ||
152 | |||
153 | #define __get_user_check(x,addr,size,type) ({ \ | ||
154 | register int __gu_ret; \ | ||
155 | register unsigned long __gu_val; \ | ||
156 | if (__access_ok(addr,size)) { \ | ||
157 | switch (size) { \ | ||
158 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
159 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
160 | case 4: __get_user_asm(__gu_val,,addr,__gu_ret); break; \ | ||
161 | case 8: __get_user_asm(__gu_val,d,addr,__gu_ret); break; \ | ||
162 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
163 | } } else { __gu_val = 0; __gu_ret = -EFAULT; } x = (type) __gu_val; __gu_ret; }) | ||
164 | |||
165 | #define __get_user_check_ret(x,addr,size,type,retval) ({ \ | ||
166 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
167 | if (__access_ok(addr,size)) { \ | ||
168 | switch (size) { \ | ||
169 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
170 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
171 | case 4: __get_user_asm_ret(__gu_val,,addr,retval); break; \ | ||
172 | case 8: __get_user_asm_ret(__gu_val,d,addr,retval); break; \ | ||
173 | default: if (__get_user_bad()) return retval; \ | ||
174 | } x = (type) __gu_val; } else return retval; }) | ||
175 | |||
176 | #define __get_user_nocheck(x,addr,size,type) ({ \ | ||
177 | register int __gu_ret; \ | ||
178 | register unsigned long __gu_val; \ | ||
179 | switch (size) { \ | ||
180 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
181 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
182 | case 4: __get_user_asm(__gu_val,,addr,__gu_ret); break; \ | ||
183 | case 8: __get_user_asm(__gu_val,d,addr,__gu_ret); break; \ | ||
184 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
185 | } x = (type) __gu_val; __gu_ret; }) | ||
186 | |||
187 | #define __get_user_nocheck_ret(x,addr,size,type,retval) ({ \ | ||
188 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
189 | switch (size) { \ | ||
190 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
191 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
192 | case 4: __get_user_asm_ret(__gu_val,,addr,retval); break; \ | ||
193 | case 8: __get_user_asm_ret(__gu_val,d,addr,retval); break; \ | ||
194 | default: if (__get_user_bad()) return retval; \ | ||
195 | } x = (type) __gu_val; }) | ||
196 | |||
197 | #define __get_user_asm(x,size,addr,ret) \ | ||
198 | __asm__ __volatile__( \ | ||
199 | "/* Get user asm, inline. */\n" \ | ||
200 | "1:\t" "ld"#size " %2, %1\n\t" \ | ||
201 | "clr %0\n" \ | ||
202 | "2:\n\n\t" \ | ||
203 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
204 | ".align 4\n" \ | ||
205 | "3:\n\t" \ | ||
206 | "clr %1\n\t" \ | ||
207 | "b 2b\n\t" \ | ||
208 | " mov %3, %0\n\n\t" \ | ||
209 | ".previous\n\t" \ | ||
210 | ".section __ex_table,#alloc\n\t" \ | ||
211 | ".align 4\n\t" \ | ||
212 | ".word 1b, 3b\n\n\t" \ | ||
213 | ".previous\n\t" \ | ||
214 | : "=&r" (ret), "=&r" (x) : "m" (*__m(addr)), \ | ||
215 | "i" (-EFAULT)) | ||
216 | |||
217 | #define __get_user_asm_ret(x,size,addr,retval) \ | ||
218 | if (__builtin_constant_p(retval) && retval == -EFAULT) \ | ||
219 | __asm__ __volatile__( \ | ||
220 | "/* Get user asm ret, inline. */\n" \ | ||
221 | "1:\t" "ld"#size " %1, %0\n\n\t" \ | ||
222 | ".section __ex_table,#alloc\n\t" \ | ||
223 | ".align 4\n\t" \ | ||
224 | ".word 1b,__ret_efault\n\n\t" \ | ||
225 | ".previous\n\t" \ | ||
226 | : "=&r" (x) : "m" (*__m(addr))); \ | ||
227 | else \ | ||
228 | __asm__ __volatile__( \ | ||
229 | "/* Get user asm ret, inline. */\n" \ | ||
230 | "1:\t" "ld"#size " %1, %0\n\n\t" \ | ||
231 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
232 | ".align 4\n" \ | ||
233 | "3:\n\t" \ | ||
234 | "ret\n\t" \ | ||
235 | " restore %%g0, %2, %%o0\n\n\t" \ | ||
236 | ".previous\n\t" \ | ||
237 | ".section __ex_table,#alloc\n\t" \ | ||
238 | ".align 4\n\t" \ | ||
239 | ".word 1b, 3b\n\n\t" \ | ||
240 | ".previous\n\t" \ | ||
241 | : "=&r" (x) : "m" (*__m(addr)), "i" (retval)) | ||
242 | |||
243 | extern int __get_user_bad(void); | ||
244 | |||
245 | extern unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size); | ||
246 | |||
247 | static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) | ||
248 | { | ||
249 | if (n && __access_ok((unsigned long) to, n)) | ||
250 | return __copy_user(to, (__force void __user *) from, n); | ||
251 | else | ||
252 | return n; | ||
253 | } | ||
254 | |||
255 | static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) | ||
256 | { | ||
257 | return __copy_user(to, (__force void __user *) from, n); | ||
258 | } | ||
259 | |||
260 | static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) | ||
261 | { | ||
262 | if (n && __access_ok((unsigned long) from, n)) | ||
263 | return __copy_user((__force void __user *) to, from, n); | ||
264 | else | ||
265 | return n; | ||
266 | } | ||
267 | |||
268 | static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) | ||
269 | { | ||
270 | return __copy_user((__force void __user *) to, from, n); | ||
271 | } | ||
272 | |||
273 | #define __copy_to_user_inatomic __copy_to_user | ||
274 | #define __copy_from_user_inatomic __copy_from_user | ||
275 | |||
276 | static inline unsigned long __clear_user(void __user *addr, unsigned long size) | ||
277 | { | ||
278 | unsigned long ret; | ||
279 | |||
280 | __asm__ __volatile__ ( | ||
281 | ".section __ex_table,#alloc\n\t" | ||
282 | ".align 4\n\t" | ||
283 | ".word 1f,3\n\t" | ||
284 | ".previous\n\t" | ||
285 | "mov %2, %%o1\n" | ||
286 | "1:\n\t" | ||
287 | "call __bzero\n\t" | ||
288 | " mov %1, %%o0\n\t" | ||
289 | "mov %%o0, %0\n" | ||
290 | : "=r" (ret) : "r" (addr), "r" (size) : | ||
291 | "o0", "o1", "o2", "o3", "o4", "o5", "o7", | ||
292 | "g1", "g2", "g3", "g4", "g5", "g7", "cc"); | ||
293 | |||
294 | return ret; | ||
295 | } | ||
296 | |||
297 | static inline unsigned long clear_user(void __user *addr, unsigned long n) | ||
298 | { | ||
299 | if (n && __access_ok((unsigned long) addr, n)) | ||
300 | return __clear_user(addr, n); | ||
301 | else | ||
302 | return n; | ||
303 | } | ||
304 | |||
305 | extern long __strncpy_from_user(char *dest, const char __user *src, long count); | ||
306 | |||
307 | static inline long strncpy_from_user(char *dest, const char __user *src, long count) | ||
308 | { | ||
309 | if (__access_ok((unsigned long) src, count)) | ||
310 | return __strncpy_from_user(dest, src, count); | ||
311 | else | ||
312 | return -EFAULT; | ||
313 | } | ||
314 | |||
315 | extern long __strlen_user(const char __user *); | ||
316 | extern long __strnlen_user(const char __user *, long len); | ||
317 | |||
318 | static inline long strlen_user(const char __user *str) | ||
319 | { | ||
320 | if (!access_ok(VERIFY_READ, str, 0)) | ||
321 | return 0; | ||
322 | else | ||
323 | return __strlen_user(str); | ||
324 | } | ||
325 | |||
326 | static inline long strnlen_user(const char __user *str, long len) | ||
327 | { | ||
328 | if (!access_ok(VERIFY_READ, str, 0)) | ||
329 | return 0; | ||
330 | else | ||
331 | return __strnlen_user(str, len); | ||
332 | } | ||
333 | |||
334 | #endif /* __ASSEMBLY__ */ | ||
335 | |||
336 | #endif /* _ASM_UACCESS_H */ | ||
diff --git a/include/asm-sparc/uaccess_32.h b/include/asm-sparc/uaccess_32.h new file mode 100644 index 000000000000..47d5619d43fa --- /dev/null +++ b/include/asm-sparc/uaccess_32.h | |||
@@ -0,0 +1,336 @@ | |||
1 | /* | ||
2 | * uaccess.h: User space memore access functions. | ||
3 | * | ||
4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
6 | */ | ||
7 | #ifndef _ASM_UACCESS_H | ||
8 | #define _ASM_UACCESS_H | ||
9 | |||
10 | #ifdef __KERNEL__ | ||
11 | #include <linux/compiler.h> | ||
12 | #include <linux/sched.h> | ||
13 | #include <linux/string.h> | ||
14 | #include <linux/errno.h> | ||
15 | #include <asm/vac-ops.h> | ||
16 | #endif | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | /* Sparc is not segmented, however we need to be able to fool access_ok() | ||
21 | * when doing system calls from kernel mode legitimately. | ||
22 | * | ||
23 | * "For historical reasons, these macros are grossly misnamed." -Linus | ||
24 | */ | ||
25 | |||
26 | #define KERNEL_DS ((mm_segment_t) { 0 }) | ||
27 | #define USER_DS ((mm_segment_t) { -1 }) | ||
28 | |||
29 | #define VERIFY_READ 0 | ||
30 | #define VERIFY_WRITE 1 | ||
31 | |||
32 | #define get_ds() (KERNEL_DS) | ||
33 | #define get_fs() (current->thread.current_ds) | ||
34 | #define set_fs(val) ((current->thread.current_ds) = (val)) | ||
35 | |||
36 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
37 | |||
38 | /* We have there a nice not-mapped page at PAGE_OFFSET - PAGE_SIZE, so that this test | ||
39 | * can be fairly lightweight. | ||
40 | * No one can read/write anything from userland in the kernel space by setting | ||
41 | * large size and address near to PAGE_OFFSET - a fault will break his intentions. | ||
42 | */ | ||
43 | #define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; }) | ||
44 | #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) | ||
45 | #define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size))) | ||
46 | #define access_ok(type, addr, size) \ | ||
47 | ({ (void)(type); __access_ok((unsigned long)(addr), size); }) | ||
48 | |||
49 | /* | ||
50 | * The exception table consists of pairs of addresses: the first is the | ||
51 | * address of an instruction that is allowed to fault, and the second is | ||
52 | * the address at which the program should continue. No registers are | ||
53 | * modified, so it is entirely up to the continuation code to figure out | ||
54 | * what to do. | ||
55 | * | ||
56 | * All the routines below use bits of fixup code that are out of line | ||
57 | * with the main instruction path. This means when everything is well, | ||
58 | * we don't even have to jump over them. Further, they do not intrude | ||
59 | * on our cache or tlb entries. | ||
60 | * | ||
61 | * There is a special way how to put a range of potentially faulting | ||
62 | * insns (like twenty ldd/std's with now intervening other instructions) | ||
63 | * You specify address of first in insn and 0 in fixup and in the next | ||
64 | * exception_table_entry you specify last potentially faulting insn + 1 | ||
65 | * and in fixup the routine which should handle the fault. | ||
66 | * That fixup code will get | ||
67 | * (faulting_insn_address - first_insn_in_the_range_address)/4 | ||
68 | * in %g2 (ie. index of the faulting instruction in the range). | ||
69 | */ | ||
70 | |||
71 | struct exception_table_entry | ||
72 | { | ||
73 | unsigned long insn, fixup; | ||
74 | }; | ||
75 | |||
76 | /* Returns 0 if exception not found and fixup otherwise. */ | ||
77 | extern unsigned long search_extables_range(unsigned long addr, unsigned long *g2); | ||
78 | |||
79 | extern void __ret_efault(void); | ||
80 | |||
81 | /* Uh, these should become the main single-value transfer routines.. | ||
82 | * They automatically use the right size if we just have the right | ||
83 | * pointer type.. | ||
84 | * | ||
85 | * This gets kind of ugly. We want to return _two_ values in "get_user()" | ||
86 | * and yet we don't want to do any pointers, because that is too much | ||
87 | * of a performance impact. Thus we have a few rather ugly macros here, | ||
88 | * and hide all the ugliness from the user. | ||
89 | */ | ||
90 | #define put_user(x,ptr) ({ \ | ||
91 | unsigned long __pu_addr = (unsigned long)(ptr); \ | ||
92 | __chk_user_ptr(ptr); \ | ||
93 | __put_user_check((__typeof__(*(ptr)))(x),__pu_addr,sizeof(*(ptr))); }) | ||
94 | |||
95 | #define get_user(x,ptr) ({ \ | ||
96 | unsigned long __gu_addr = (unsigned long)(ptr); \ | ||
97 | __chk_user_ptr(ptr); \ | ||
98 | __get_user_check((x),__gu_addr,sizeof(*(ptr)),__typeof__(*(ptr))); }) | ||
99 | |||
100 | /* | ||
101 | * The "__xxx" versions do not do address space checking, useful when | ||
102 | * doing multiple accesses to the same area (the user has to do the | ||
103 | * checks by hand with "access_ok()") | ||
104 | */ | ||
105 | #define __put_user(x,ptr) __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) | ||
106 | #define __get_user(x,ptr) __get_user_nocheck((x),(ptr),sizeof(*(ptr)),__typeof__(*(ptr))) | ||
107 | |||
108 | struct __large_struct { unsigned long buf[100]; }; | ||
109 | #define __m(x) ((struct __large_struct __user *)(x)) | ||
110 | |||
111 | #define __put_user_check(x,addr,size) ({ \ | ||
112 | register int __pu_ret; \ | ||
113 | if (__access_ok(addr,size)) { \ | ||
114 | switch (size) { \ | ||
115 | case 1: __put_user_asm(x,b,addr,__pu_ret); break; \ | ||
116 | case 2: __put_user_asm(x,h,addr,__pu_ret); break; \ | ||
117 | case 4: __put_user_asm(x,,addr,__pu_ret); break; \ | ||
118 | case 8: __put_user_asm(x,d,addr,__pu_ret); break; \ | ||
119 | default: __pu_ret = __put_user_bad(); break; \ | ||
120 | } } else { __pu_ret = -EFAULT; } __pu_ret; }) | ||
121 | |||
122 | #define __put_user_nocheck(x,addr,size) ({ \ | ||
123 | register int __pu_ret; \ | ||
124 | switch (size) { \ | ||
125 | case 1: __put_user_asm(x,b,addr,__pu_ret); break; \ | ||
126 | case 2: __put_user_asm(x,h,addr,__pu_ret); break; \ | ||
127 | case 4: __put_user_asm(x,,addr,__pu_ret); break; \ | ||
128 | case 8: __put_user_asm(x,d,addr,__pu_ret); break; \ | ||
129 | default: __pu_ret = __put_user_bad(); break; \ | ||
130 | } __pu_ret; }) | ||
131 | |||
132 | #define __put_user_asm(x,size,addr,ret) \ | ||
133 | __asm__ __volatile__( \ | ||
134 | "/* Put user asm, inline. */\n" \ | ||
135 | "1:\t" "st"#size " %1, %2\n\t" \ | ||
136 | "clr %0\n" \ | ||
137 | "2:\n\n\t" \ | ||
138 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
139 | ".align 4\n" \ | ||
140 | "3:\n\t" \ | ||
141 | "b 2b\n\t" \ | ||
142 | " mov %3, %0\n\t" \ | ||
143 | ".previous\n\n\t" \ | ||
144 | ".section __ex_table,#alloc\n\t" \ | ||
145 | ".align 4\n\t" \ | ||
146 | ".word 1b, 3b\n\t" \ | ||
147 | ".previous\n\n\t" \ | ||
148 | : "=&r" (ret) : "r" (x), "m" (*__m(addr)), \ | ||
149 | "i" (-EFAULT)) | ||
150 | |||
151 | extern int __put_user_bad(void); | ||
152 | |||
153 | #define __get_user_check(x,addr,size,type) ({ \ | ||
154 | register int __gu_ret; \ | ||
155 | register unsigned long __gu_val; \ | ||
156 | if (__access_ok(addr,size)) { \ | ||
157 | switch (size) { \ | ||
158 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
159 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
160 | case 4: __get_user_asm(__gu_val,,addr,__gu_ret); break; \ | ||
161 | case 8: __get_user_asm(__gu_val,d,addr,__gu_ret); break; \ | ||
162 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
163 | } } else { __gu_val = 0; __gu_ret = -EFAULT; } x = (type) __gu_val; __gu_ret; }) | ||
164 | |||
165 | #define __get_user_check_ret(x,addr,size,type,retval) ({ \ | ||
166 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
167 | if (__access_ok(addr,size)) { \ | ||
168 | switch (size) { \ | ||
169 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
170 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
171 | case 4: __get_user_asm_ret(__gu_val,,addr,retval); break; \ | ||
172 | case 8: __get_user_asm_ret(__gu_val,d,addr,retval); break; \ | ||
173 | default: if (__get_user_bad()) return retval; \ | ||
174 | } x = (type) __gu_val; } else return retval; }) | ||
175 | |||
176 | #define __get_user_nocheck(x,addr,size,type) ({ \ | ||
177 | register int __gu_ret; \ | ||
178 | register unsigned long __gu_val; \ | ||
179 | switch (size) { \ | ||
180 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
181 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
182 | case 4: __get_user_asm(__gu_val,,addr,__gu_ret); break; \ | ||
183 | case 8: __get_user_asm(__gu_val,d,addr,__gu_ret); break; \ | ||
184 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
185 | } x = (type) __gu_val; __gu_ret; }) | ||
186 | |||
187 | #define __get_user_nocheck_ret(x,addr,size,type,retval) ({ \ | ||
188 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
189 | switch (size) { \ | ||
190 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
191 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
192 | case 4: __get_user_asm_ret(__gu_val,,addr,retval); break; \ | ||
193 | case 8: __get_user_asm_ret(__gu_val,d,addr,retval); break; \ | ||
194 | default: if (__get_user_bad()) return retval; \ | ||
195 | } x = (type) __gu_val; }) | ||
196 | |||
197 | #define __get_user_asm(x,size,addr,ret) \ | ||
198 | __asm__ __volatile__( \ | ||
199 | "/* Get user asm, inline. */\n" \ | ||
200 | "1:\t" "ld"#size " %2, %1\n\t" \ | ||
201 | "clr %0\n" \ | ||
202 | "2:\n\n\t" \ | ||
203 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
204 | ".align 4\n" \ | ||
205 | "3:\n\t" \ | ||
206 | "clr %1\n\t" \ | ||
207 | "b 2b\n\t" \ | ||
208 | " mov %3, %0\n\n\t" \ | ||
209 | ".previous\n\t" \ | ||
210 | ".section __ex_table,#alloc\n\t" \ | ||
211 | ".align 4\n\t" \ | ||
212 | ".word 1b, 3b\n\n\t" \ | ||
213 | ".previous\n\t" \ | ||
214 | : "=&r" (ret), "=&r" (x) : "m" (*__m(addr)), \ | ||
215 | "i" (-EFAULT)) | ||
216 | |||
217 | #define __get_user_asm_ret(x,size,addr,retval) \ | ||
218 | if (__builtin_constant_p(retval) && retval == -EFAULT) \ | ||
219 | __asm__ __volatile__( \ | ||
220 | "/* Get user asm ret, inline. */\n" \ | ||
221 | "1:\t" "ld"#size " %1, %0\n\n\t" \ | ||
222 | ".section __ex_table,#alloc\n\t" \ | ||
223 | ".align 4\n\t" \ | ||
224 | ".word 1b,__ret_efault\n\n\t" \ | ||
225 | ".previous\n\t" \ | ||
226 | : "=&r" (x) : "m" (*__m(addr))); \ | ||
227 | else \ | ||
228 | __asm__ __volatile__( \ | ||
229 | "/* Get user asm ret, inline. */\n" \ | ||
230 | "1:\t" "ld"#size " %1, %0\n\n\t" \ | ||
231 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
232 | ".align 4\n" \ | ||
233 | "3:\n\t" \ | ||
234 | "ret\n\t" \ | ||
235 | " restore %%g0, %2, %%o0\n\n\t" \ | ||
236 | ".previous\n\t" \ | ||
237 | ".section __ex_table,#alloc\n\t" \ | ||
238 | ".align 4\n\t" \ | ||
239 | ".word 1b, 3b\n\n\t" \ | ||
240 | ".previous\n\t" \ | ||
241 | : "=&r" (x) : "m" (*__m(addr)), "i" (retval)) | ||
242 | |||
243 | extern int __get_user_bad(void); | ||
244 | |||
245 | extern unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size); | ||
246 | |||
247 | static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) | ||
248 | { | ||
249 | if (n && __access_ok((unsigned long) to, n)) | ||
250 | return __copy_user(to, (__force void __user *) from, n); | ||
251 | else | ||
252 | return n; | ||
253 | } | ||
254 | |||
255 | static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) | ||
256 | { | ||
257 | return __copy_user(to, (__force void __user *) from, n); | ||
258 | } | ||
259 | |||
260 | static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) | ||
261 | { | ||
262 | if (n && __access_ok((unsigned long) from, n)) | ||
263 | return __copy_user((__force void __user *) to, from, n); | ||
264 | else | ||
265 | return n; | ||
266 | } | ||
267 | |||
268 | static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) | ||
269 | { | ||
270 | return __copy_user((__force void __user *) to, from, n); | ||
271 | } | ||
272 | |||
273 | #define __copy_to_user_inatomic __copy_to_user | ||
274 | #define __copy_from_user_inatomic __copy_from_user | ||
275 | |||
276 | static inline unsigned long __clear_user(void __user *addr, unsigned long size) | ||
277 | { | ||
278 | unsigned long ret; | ||
279 | |||
280 | __asm__ __volatile__ ( | ||
281 | ".section __ex_table,#alloc\n\t" | ||
282 | ".align 4\n\t" | ||
283 | ".word 1f,3\n\t" | ||
284 | ".previous\n\t" | ||
285 | "mov %2, %%o1\n" | ||
286 | "1:\n\t" | ||
287 | "call __bzero\n\t" | ||
288 | " mov %1, %%o0\n\t" | ||
289 | "mov %%o0, %0\n" | ||
290 | : "=r" (ret) : "r" (addr), "r" (size) : | ||
291 | "o0", "o1", "o2", "o3", "o4", "o5", "o7", | ||
292 | "g1", "g2", "g3", "g4", "g5", "g7", "cc"); | ||
293 | |||
294 | return ret; | ||
295 | } | ||
296 | |||
297 | static inline unsigned long clear_user(void __user *addr, unsigned long n) | ||
298 | { | ||
299 | if (n && __access_ok((unsigned long) addr, n)) | ||
300 | return __clear_user(addr, n); | ||
301 | else | ||
302 | return n; | ||
303 | } | ||
304 | |||
305 | extern long __strncpy_from_user(char *dest, const char __user *src, long count); | ||
306 | |||
307 | static inline long strncpy_from_user(char *dest, const char __user *src, long count) | ||
308 | { | ||
309 | if (__access_ok((unsigned long) src, count)) | ||
310 | return __strncpy_from_user(dest, src, count); | ||
311 | else | ||
312 | return -EFAULT; | ||
313 | } | ||
314 | |||
315 | extern long __strlen_user(const char __user *); | ||
316 | extern long __strnlen_user(const char __user *, long len); | ||
317 | |||
318 | static inline long strlen_user(const char __user *str) | ||
319 | { | ||
320 | if (!access_ok(VERIFY_READ, str, 0)) | ||
321 | return 0; | ||
322 | else | ||
323 | return __strlen_user(str); | ||
324 | } | ||
325 | |||
326 | static inline long strnlen_user(const char __user *str, long len) | ||
327 | { | ||
328 | if (!access_ok(VERIFY_READ, str, 0)) | ||
329 | return 0; | ||
330 | else | ||
331 | return __strnlen_user(str, len); | ||
332 | } | ||
333 | |||
334 | #endif /* __ASSEMBLY__ */ | ||
335 | |||
336 | #endif /* _ASM_UACCESS_H */ | ||
diff --git a/include/asm-sparc/uaccess_64.h b/include/asm-sparc/uaccess_64.h new file mode 100644 index 000000000000..296ef30e05c8 --- /dev/null +++ b/include/asm-sparc/uaccess_64.h | |||
@@ -0,0 +1,273 @@ | |||
1 | #ifndef _ASM_UACCESS_H | ||
2 | #define _ASM_UACCESS_H | ||
3 | |||
4 | /* | ||
5 | * User space memory access functions | ||
6 | */ | ||
7 | |||
8 | #ifdef __KERNEL__ | ||
9 | #include <linux/compiler.h> | ||
10 | #include <linux/sched.h> | ||
11 | #include <linux/string.h> | ||
12 | #include <asm/asi.h> | ||
13 | #include <asm/system.h> | ||
14 | #include <asm/spitfire.h> | ||
15 | #include <asm-generic/uaccess.h> | ||
16 | #endif | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | /* | ||
21 | * Sparc64 is segmented, though more like the M68K than the I386. | ||
22 | * We use the secondary ASI to address user memory, which references a | ||
23 | * completely different VM map, thus there is zero chance of the user | ||
24 | * doing something queer and tricking us into poking kernel memory. | ||
25 | * | ||
26 | * What is left here is basically what is needed for the other parts of | ||
27 | * the kernel that expect to be able to manipulate, erum, "segments". | ||
28 | * Or perhaps more properly, permissions. | ||
29 | * | ||
30 | * "For historical reasons, these macros are grossly misnamed." -Linus | ||
31 | */ | ||
32 | |||
33 | #define KERNEL_DS ((mm_segment_t) { ASI_P }) | ||
34 | #define USER_DS ((mm_segment_t) { ASI_AIUS }) /* har har har */ | ||
35 | |||
36 | #define VERIFY_READ 0 | ||
37 | #define VERIFY_WRITE 1 | ||
38 | |||
39 | #define get_fs() ((mm_segment_t) { get_thread_current_ds() }) | ||
40 | #define get_ds() (KERNEL_DS) | ||
41 | |||
42 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
43 | |||
44 | #define set_fs(val) \ | ||
45 | do { \ | ||
46 | set_thread_current_ds((val).seg); \ | ||
47 | __asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \ | ||
48 | } while(0) | ||
49 | |||
50 | static inline int __access_ok(const void __user * addr, unsigned long size) | ||
51 | { | ||
52 | return 1; | ||
53 | } | ||
54 | |||
55 | static inline int access_ok(int type, const void __user * addr, unsigned long size) | ||
56 | { | ||
57 | return 1; | ||
58 | } | ||
59 | |||
60 | /* | ||
61 | * The exception table consists of pairs of addresses: the first is the | ||
62 | * address of an instruction that is allowed to fault, and the second is | ||
63 | * the address at which the program should continue. No registers are | ||
64 | * modified, so it is entirely up to the continuation code to figure out | ||
65 | * what to do. | ||
66 | * | ||
67 | * All the routines below use bits of fixup code that are out of line | ||
68 | * with the main instruction path. This means when everything is well, | ||
69 | * we don't even have to jump over them. Further, they do not intrude | ||
70 | * on our cache or tlb entries. | ||
71 | */ | ||
72 | |||
73 | struct exception_table_entry { | ||
74 | unsigned int insn, fixup; | ||
75 | }; | ||
76 | |||
77 | extern void __ret_efault(void); | ||
78 | extern void __retl_efault(void); | ||
79 | |||
80 | /* Uh, these should become the main single-value transfer routines.. | ||
81 | * They automatically use the right size if we just have the right | ||
82 | * pointer type.. | ||
83 | * | ||
84 | * This gets kind of ugly. We want to return _two_ values in "get_user()" | ||
85 | * and yet we don't want to do any pointers, because that is too much | ||
86 | * of a performance impact. Thus we have a few rather ugly macros here, | ||
87 | * and hide all the ugliness from the user. | ||
88 | */ | ||
89 | #define put_user(x,ptr) ({ \ | ||
90 | unsigned long __pu_addr = (unsigned long)(ptr); \ | ||
91 | __chk_user_ptr(ptr); \ | ||
92 | __put_user_nocheck((__typeof__(*(ptr)))(x),__pu_addr,sizeof(*(ptr))); }) | ||
93 | |||
94 | #define get_user(x,ptr) ({ \ | ||
95 | unsigned long __gu_addr = (unsigned long)(ptr); \ | ||
96 | __chk_user_ptr(ptr); \ | ||
97 | __get_user_nocheck((x),__gu_addr,sizeof(*(ptr)),__typeof__(*(ptr))); }) | ||
98 | |||
99 | #define __put_user(x,ptr) put_user(x,ptr) | ||
100 | #define __get_user(x,ptr) get_user(x,ptr) | ||
101 | |||
102 | struct __large_struct { unsigned long buf[100]; }; | ||
103 | #define __m(x) ((struct __large_struct *)(x)) | ||
104 | |||
105 | #define __put_user_nocheck(data,addr,size) ({ \ | ||
106 | register int __pu_ret; \ | ||
107 | switch (size) { \ | ||
108 | case 1: __put_user_asm(data,b,addr,__pu_ret); break; \ | ||
109 | case 2: __put_user_asm(data,h,addr,__pu_ret); break; \ | ||
110 | case 4: __put_user_asm(data,w,addr,__pu_ret); break; \ | ||
111 | case 8: __put_user_asm(data,x,addr,__pu_ret); break; \ | ||
112 | default: __pu_ret = __put_user_bad(); break; \ | ||
113 | } __pu_ret; }) | ||
114 | |||
115 | #define __put_user_asm(x,size,addr,ret) \ | ||
116 | __asm__ __volatile__( \ | ||
117 | "/* Put user asm, inline. */\n" \ | ||
118 | "1:\t" "st"#size "a %1, [%2] %%asi\n\t" \ | ||
119 | "clr %0\n" \ | ||
120 | "2:\n\n\t" \ | ||
121 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
122 | ".align 4\n" \ | ||
123 | "3:\n\t" \ | ||
124 | "sethi %%hi(2b), %0\n\t" \ | ||
125 | "jmpl %0 + %%lo(2b), %%g0\n\t" \ | ||
126 | " mov %3, %0\n\n\t" \ | ||
127 | ".previous\n\t" \ | ||
128 | ".section __ex_table,\"a\"\n\t" \ | ||
129 | ".align 4\n\t" \ | ||
130 | ".word 1b, 3b\n\t" \ | ||
131 | ".previous\n\n\t" \ | ||
132 | : "=r" (ret) : "r" (x), "r" (__m(addr)), \ | ||
133 | "i" (-EFAULT)) | ||
134 | |||
135 | extern int __put_user_bad(void); | ||
136 | |||
137 | #define __get_user_nocheck(data,addr,size,type) ({ \ | ||
138 | register int __gu_ret; \ | ||
139 | register unsigned long __gu_val; \ | ||
140 | switch (size) { \ | ||
141 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
142 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
143 | case 4: __get_user_asm(__gu_val,uw,addr,__gu_ret); break; \ | ||
144 | case 8: __get_user_asm(__gu_val,x,addr,__gu_ret); break; \ | ||
145 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
146 | } data = (type) __gu_val; __gu_ret; }) | ||
147 | |||
148 | #define __get_user_nocheck_ret(data,addr,size,type,retval) ({ \ | ||
149 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
150 | switch (size) { \ | ||
151 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
152 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
153 | case 4: __get_user_asm_ret(__gu_val,uw,addr,retval); break; \ | ||
154 | case 8: __get_user_asm_ret(__gu_val,x,addr,retval); break; \ | ||
155 | default: if (__get_user_bad()) return retval; \ | ||
156 | } data = (type) __gu_val; }) | ||
157 | |||
158 | #define __get_user_asm(x,size,addr,ret) \ | ||
159 | __asm__ __volatile__( \ | ||
160 | "/* Get user asm, inline. */\n" \ | ||
161 | "1:\t" "ld"#size "a [%2] %%asi, %1\n\t" \ | ||
162 | "clr %0\n" \ | ||
163 | "2:\n\n\t" \ | ||
164 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
165 | ".align 4\n" \ | ||
166 | "3:\n\t" \ | ||
167 | "sethi %%hi(2b), %0\n\t" \ | ||
168 | "clr %1\n\t" \ | ||
169 | "jmpl %0 + %%lo(2b), %%g0\n\t" \ | ||
170 | " mov %3, %0\n\n\t" \ | ||
171 | ".previous\n\t" \ | ||
172 | ".section __ex_table,\"a\"\n\t" \ | ||
173 | ".align 4\n\t" \ | ||
174 | ".word 1b, 3b\n\n\t" \ | ||
175 | ".previous\n\t" \ | ||
176 | : "=r" (ret), "=r" (x) : "r" (__m(addr)), \ | ||
177 | "i" (-EFAULT)) | ||
178 | |||
179 | #define __get_user_asm_ret(x,size,addr,retval) \ | ||
180 | if (__builtin_constant_p(retval) && retval == -EFAULT) \ | ||
181 | __asm__ __volatile__( \ | ||
182 | "/* Get user asm ret, inline. */\n" \ | ||
183 | "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ | ||
184 | ".section __ex_table,\"a\"\n\t" \ | ||
185 | ".align 4\n\t" \ | ||
186 | ".word 1b,__ret_efault\n\n\t" \ | ||
187 | ".previous\n\t" \ | ||
188 | : "=r" (x) : "r" (__m(addr))); \ | ||
189 | else \ | ||
190 | __asm__ __volatile__( \ | ||
191 | "/* Get user asm ret, inline. */\n" \ | ||
192 | "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ | ||
193 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
194 | ".align 4\n" \ | ||
195 | "3:\n\t" \ | ||
196 | "ret\n\t" \ | ||
197 | " restore %%g0, %2, %%o0\n\n\t" \ | ||
198 | ".previous\n\t" \ | ||
199 | ".section __ex_table,\"a\"\n\t" \ | ||
200 | ".align 4\n\t" \ | ||
201 | ".word 1b, 3b\n\n\t" \ | ||
202 | ".previous\n\t" \ | ||
203 | : "=r" (x) : "r" (__m(addr)), "i" (retval)) | ||
204 | |||
205 | extern int __get_user_bad(void); | ||
206 | |||
207 | extern unsigned long __must_check ___copy_from_user(void *to, | ||
208 | const void __user *from, | ||
209 | unsigned long size); | ||
210 | extern unsigned long copy_from_user_fixup(void *to, const void __user *from, | ||
211 | unsigned long size); | ||
212 | static inline unsigned long __must_check | ||
213 | copy_from_user(void *to, const void __user *from, unsigned long size) | ||
214 | { | ||
215 | unsigned long ret = ___copy_from_user(to, from, size); | ||
216 | |||
217 | if (unlikely(ret)) | ||
218 | ret = copy_from_user_fixup(to, from, size); | ||
219 | return ret; | ||
220 | } | ||
221 | #define __copy_from_user copy_from_user | ||
222 | |||
223 | extern unsigned long __must_check ___copy_to_user(void __user *to, | ||
224 | const void *from, | ||
225 | unsigned long size); | ||
226 | extern unsigned long copy_to_user_fixup(void __user *to, const void *from, | ||
227 | unsigned long size); | ||
228 | static inline unsigned long __must_check | ||
229 | copy_to_user(void __user *to, const void *from, unsigned long size) | ||
230 | { | ||
231 | unsigned long ret = ___copy_to_user(to, from, size); | ||
232 | |||
233 | if (unlikely(ret)) | ||
234 | ret = copy_to_user_fixup(to, from, size); | ||
235 | return ret; | ||
236 | } | ||
237 | #define __copy_to_user copy_to_user | ||
238 | |||
239 | extern unsigned long __must_check ___copy_in_user(void __user *to, | ||
240 | const void __user *from, | ||
241 | unsigned long size); | ||
242 | extern unsigned long copy_in_user_fixup(void __user *to, void __user *from, | ||
243 | unsigned long size); | ||
244 | static inline unsigned long __must_check | ||
245 | copy_in_user(void __user *to, void __user *from, unsigned long size) | ||
246 | { | ||
247 | unsigned long ret = ___copy_in_user(to, from, size); | ||
248 | |||
249 | if (unlikely(ret)) | ||
250 | ret = copy_in_user_fixup(to, from, size); | ||
251 | return ret; | ||
252 | } | ||
253 | #define __copy_in_user copy_in_user | ||
254 | |||
255 | extern unsigned long __must_check __clear_user(void __user *, unsigned long); | ||
256 | |||
257 | #define clear_user __clear_user | ||
258 | |||
259 | extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count); | ||
260 | |||
261 | #define strncpy_from_user __strncpy_from_user | ||
262 | |||
263 | extern long __strlen_user(const char __user *); | ||
264 | extern long __strnlen_user(const char __user *, long len); | ||
265 | |||
266 | #define strlen_user __strlen_user | ||
267 | #define strnlen_user __strnlen_user | ||
268 | #define __copy_to_user_inatomic __copy_to_user | ||
269 | #define __copy_from_user_inatomic __copy_from_user | ||
270 | |||
271 | #endif /* __ASSEMBLY__ */ | ||
272 | |||
273 | #endif /* _ASM_UACCESS_H */ | ||
diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h index 2338a0276377..3c2609618a09 100644 --- a/include/asm-sparc/unistd.h +++ b/include/asm-sparc/unistd.h | |||
@@ -1,378 +1,8 @@ | |||
1 | #ifndef _SPARC_UNISTD_H | 1 | #ifndef ___ASM_SPARC_UNISTD_H |
2 | #define _SPARC_UNISTD_H | 2 | #define ___ASM_SPARC_UNISTD_H |
3 | 3 | #if defined(__sparc__) && defined(__arch64__) | |
4 | /* | 4 | #include <asm-sparc/unistd_64.h> |
5 | * System calls under the Sparc. | 5 | #else |
6 | * | 6 | #include <asm-sparc/unistd_32.h> |
7 | * Don't be scared by the ugly clobbers, it is the only way I can | 7 | #endif |
8 | * think of right now to force the arguments into fixed registers | 8 | #endif |
9 | * before the trap into the system call with gcc 'asm' statements. | ||
10 | * | ||
11 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
12 | * | ||
13 | * SunOS compatibility based upon preliminary work which is: | ||
14 | * | ||
15 | * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) | ||
16 | */ | ||
17 | |||
18 | #define __NR_restart_syscall 0 /* Linux Specific */ | ||
19 | #define __NR_exit 1 /* Common */ | ||
20 | #define __NR_fork 2 /* Common */ | ||
21 | #define __NR_read 3 /* Common */ | ||
22 | #define __NR_write 4 /* Common */ | ||
23 | #define __NR_open 5 /* Common */ | ||
24 | #define __NR_close 6 /* Common */ | ||
25 | #define __NR_wait4 7 /* Common */ | ||
26 | #define __NR_creat 8 /* Common */ | ||
27 | #define __NR_link 9 /* Common */ | ||
28 | #define __NR_unlink 10 /* Common */ | ||
29 | #define __NR_execv 11 /* SunOS Specific */ | ||
30 | #define __NR_chdir 12 /* Common */ | ||
31 | #define __NR_chown 13 /* Common */ | ||
32 | #define __NR_mknod 14 /* Common */ | ||
33 | #define __NR_chmod 15 /* Common */ | ||
34 | #define __NR_lchown 16 /* Common */ | ||
35 | #define __NR_brk 17 /* Common */ | ||
36 | #define __NR_perfctr 18 /* Performance counter operations */ | ||
37 | #define __NR_lseek 19 /* Common */ | ||
38 | #define __NR_getpid 20 /* Common */ | ||
39 | #define __NR_capget 21 /* Linux Specific */ | ||
40 | #define __NR_capset 22 /* Linux Specific */ | ||
41 | #define __NR_setuid 23 /* Implemented via setreuid in SunOS */ | ||
42 | #define __NR_getuid 24 /* Common */ | ||
43 | #define __NR_vmsplice 25 /* ENOSYS under SunOS */ | ||
44 | #define __NR_ptrace 26 /* Common */ | ||
45 | #define __NR_alarm 27 /* Implemented via setitimer in SunOS */ | ||
46 | #define __NR_sigaltstack 28 /* Common */ | ||
47 | #define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ | ||
48 | #define __NR_utime 30 /* Implemented via utimes() under SunOS */ | ||
49 | #define __NR_lchown32 31 /* Linux sparc32 specific */ | ||
50 | #define __NR_fchown32 32 /* Linux sparc32 specific */ | ||
51 | #define __NR_access 33 /* Common */ | ||
52 | #define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ | ||
53 | #define __NR_chown32 35 /* Linux sparc32 specific */ | ||
54 | #define __NR_sync 36 /* Common */ | ||
55 | #define __NR_kill 37 /* Common */ | ||
56 | #define __NR_stat 38 /* Common */ | ||
57 | #define __NR_sendfile 39 /* Linux Specific */ | ||
58 | #define __NR_lstat 40 /* Common */ | ||
59 | #define __NR_dup 41 /* Common */ | ||
60 | #define __NR_pipe 42 /* Common */ | ||
61 | #define __NR_times 43 /* Implemented via getrusage() in SunOS */ | ||
62 | #define __NR_getuid32 44 /* Linux sparc32 specific */ | ||
63 | #define __NR_umount2 45 /* Linux Specific */ | ||
64 | #define __NR_setgid 46 /* Implemented via setregid() in SunOS */ | ||
65 | #define __NR_getgid 47 /* Common */ | ||
66 | #define __NR_signal 48 /* Implemented via sigvec() in SunOS */ | ||
67 | #define __NR_geteuid 49 /* SunOS calls getuid() */ | ||
68 | #define __NR_getegid 50 /* SunOS calls getgid() */ | ||
69 | #define __NR_acct 51 /* Common */ | ||
70 | /* #define __NR_memory_ordering 52 Linux sparc64 specific */ | ||
71 | #define __NR_getgid32 53 /* Linux sparc32 specific */ | ||
72 | #define __NR_ioctl 54 /* Common */ | ||
73 | #define __NR_reboot 55 /* Common */ | ||
74 | #define __NR_mmap2 56 /* Linux sparc32 Specific */ | ||
75 | #define __NR_symlink 57 /* Common */ | ||
76 | #define __NR_readlink 58 /* Common */ | ||
77 | #define __NR_execve 59 /* Common */ | ||
78 | #define __NR_umask 60 /* Common */ | ||
79 | #define __NR_chroot 61 /* Common */ | ||
80 | #define __NR_fstat 62 /* Common */ | ||
81 | #define __NR_fstat64 63 /* Linux Specific */ | ||
82 | #define __NR_getpagesize 64 /* Common */ | ||
83 | #define __NR_msync 65 /* Common in newer 1.3.x revs... */ | ||
84 | #define __NR_vfork 66 /* Common */ | ||
85 | #define __NR_pread64 67 /* Linux Specific */ | ||
86 | #define __NR_pwrite64 68 /* Linux Specific */ | ||
87 | #define __NR_geteuid32 69 /* Linux sparc32, sbrk under SunOS */ | ||
88 | #define __NR_getegid32 70 /* Linux sparc32, sstk under SunOS */ | ||
89 | #define __NR_mmap 71 /* Common */ | ||
90 | #define __NR_setreuid32 72 /* Linux sparc32, vadvise under SunOS */ | ||
91 | #define __NR_munmap 73 /* Common */ | ||
92 | #define __NR_mprotect 74 /* Common */ | ||
93 | #define __NR_madvise 75 /* Common */ | ||
94 | #define __NR_vhangup 76 /* Common */ | ||
95 | #define __NR_truncate64 77 /* Linux sparc32 Specific */ | ||
96 | #define __NR_mincore 78 /* Common */ | ||
97 | #define __NR_getgroups 79 /* Common */ | ||
98 | #define __NR_setgroups 80 /* Common */ | ||
99 | #define __NR_getpgrp 81 /* Common */ | ||
100 | #define __NR_setgroups32 82 /* Linux sparc32, setpgrp under SunOS */ | ||
101 | #define __NR_setitimer 83 /* Common */ | ||
102 | #define __NR_ftruncate64 84 /* Linux sparc32 Specific */ | ||
103 | #define __NR_swapon 85 /* Common */ | ||
104 | #define __NR_getitimer 86 /* Common */ | ||
105 | #define __NR_setuid32 87 /* Linux sparc32, gethostname under SunOS */ | ||
106 | #define __NR_sethostname 88 /* Common */ | ||
107 | #define __NR_setgid32 89 /* Linux sparc32, getdtablesize under SunOS */ | ||
108 | #define __NR_dup2 90 /* Common */ | ||
109 | #define __NR_setfsuid32 91 /* Linux sparc32, getdopt under SunOS */ | ||
110 | #define __NR_fcntl 92 /* Common */ | ||
111 | #define __NR_select 93 /* Common */ | ||
112 | #define __NR_setfsgid32 94 /* Linux sparc32, setdopt under SunOS */ | ||
113 | #define __NR_fsync 95 /* Common */ | ||
114 | #define __NR_setpriority 96 /* Common */ | ||
115 | #define __NR_socket 97 /* Common */ | ||
116 | #define __NR_connect 98 /* Common */ | ||
117 | #define __NR_accept 99 /* Common */ | ||
118 | #define __NR_getpriority 100 /* Common */ | ||
119 | #define __NR_rt_sigreturn 101 /* Linux Specific */ | ||
120 | #define __NR_rt_sigaction 102 /* Linux Specific */ | ||
121 | #define __NR_rt_sigprocmask 103 /* Linux Specific */ | ||
122 | #define __NR_rt_sigpending 104 /* Linux Specific */ | ||
123 | #define __NR_rt_sigtimedwait 105 /* Linux Specific */ | ||
124 | #define __NR_rt_sigqueueinfo 106 /* Linux Specific */ | ||
125 | #define __NR_rt_sigsuspend 107 /* Linux Specific */ | ||
126 | #define __NR_setresuid32 108 /* Linux Specific, sigvec under SunOS */ | ||
127 | #define __NR_getresuid32 109 /* Linux Specific, sigblock under SunOS */ | ||
128 | #define __NR_setresgid32 110 /* Linux Specific, sigsetmask under SunOS */ | ||
129 | #define __NR_getresgid32 111 /* Linux Specific, sigpause under SunOS */ | ||
130 | #define __NR_setregid32 112 /* Linux sparc32, sigstack under SunOS */ | ||
131 | #define __NR_recvmsg 113 /* Common */ | ||
132 | #define __NR_sendmsg 114 /* Common */ | ||
133 | #define __NR_getgroups32 115 /* Linux sparc32, vtrace under SunOS */ | ||
134 | #define __NR_gettimeofday 116 /* Common */ | ||
135 | #define __NR_getrusage 117 /* Common */ | ||
136 | #define __NR_getsockopt 118 /* Common */ | ||
137 | #define __NR_getcwd 119 /* Linux Specific */ | ||
138 | #define __NR_readv 120 /* Common */ | ||
139 | #define __NR_writev 121 /* Common */ | ||
140 | #define __NR_settimeofday 122 /* Common */ | ||
141 | #define __NR_fchown 123 /* Common */ | ||
142 | #define __NR_fchmod 124 /* Common */ | ||
143 | #define __NR_recvfrom 125 /* Common */ | ||
144 | #define __NR_setreuid 126 /* Common */ | ||
145 | #define __NR_setregid 127 /* Common */ | ||
146 | #define __NR_rename 128 /* Common */ | ||
147 | #define __NR_truncate 129 /* Common */ | ||
148 | #define __NR_ftruncate 130 /* Common */ | ||
149 | #define __NR_flock 131 /* Common */ | ||
150 | #define __NR_lstat64 132 /* Linux Specific */ | ||
151 | #define __NR_sendto 133 /* Common */ | ||
152 | #define __NR_shutdown 134 /* Common */ | ||
153 | #define __NR_socketpair 135 /* Common */ | ||
154 | #define __NR_mkdir 136 /* Common */ | ||
155 | #define __NR_rmdir 137 /* Common */ | ||
156 | #define __NR_utimes 138 /* SunOS Specific */ | ||
157 | #define __NR_stat64 139 /* Linux Specific */ | ||
158 | #define __NR_sendfile64 140 /* adjtime under SunOS */ | ||
159 | #define __NR_getpeername 141 /* Common */ | ||
160 | #define __NR_futex 142 /* gethostid under SunOS */ | ||
161 | #define __NR_gettid 143 /* ENOSYS under SunOS */ | ||
162 | #define __NR_getrlimit 144 /* Common */ | ||
163 | #define __NR_setrlimit 145 /* Common */ | ||
164 | #define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ | ||
165 | #define __NR_prctl 147 /* ENOSYS under SunOS */ | ||
166 | #define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ | ||
167 | #define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ | ||
168 | #define __NR_getsockname 150 /* Common */ | ||
169 | #define __NR_inotify_init 151 /* Linux specific */ | ||
170 | #define __NR_inotify_add_watch 152 /* Linux specific */ | ||
171 | #define __NR_poll 153 /* Common */ | ||
172 | #define __NR_getdents64 154 /* Linux specific */ | ||
173 | #define __NR_fcntl64 155 /* Linux sparc32 Specific */ | ||
174 | #define __NR_inotify_rm_watch 156 /* Linux specific */ | ||
175 | #define __NR_statfs 157 /* Common */ | ||
176 | #define __NR_fstatfs 158 /* Common */ | ||
177 | #define __NR_umount 159 /* Common */ | ||
178 | #define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ | ||
179 | #define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ | ||
180 | #define __NR_getdomainname 162 /* SunOS Specific */ | ||
181 | #define __NR_setdomainname 163 /* Common */ | ||
182 | /* #define __NR_utrap_install 164 Linux sparc64 specific */ | ||
183 | #define __NR_quotactl 165 /* Common */ | ||
184 | #define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ | ||
185 | #define __NR_mount 167 /* Common */ | ||
186 | #define __NR_ustat 168 /* Common */ | ||
187 | #define __NR_setxattr 169 /* SunOS: semsys */ | ||
188 | #define __NR_lsetxattr 170 /* SunOS: msgsys */ | ||
189 | #define __NR_fsetxattr 171 /* SunOS: shmsys */ | ||
190 | #define __NR_getxattr 172 /* SunOS: auditsys */ | ||
191 | #define __NR_lgetxattr 173 /* SunOS: rfssys */ | ||
192 | #define __NR_getdents 174 /* Common */ | ||
193 | #define __NR_setsid 175 /* Common */ | ||
194 | #define __NR_fchdir 176 /* Common */ | ||
195 | #define __NR_fgetxattr 177 /* SunOS: fchroot */ | ||
196 | #define __NR_listxattr 178 /* SunOS: vpixsys */ | ||
197 | #define __NR_llistxattr 179 /* SunOS: aioread */ | ||
198 | #define __NR_flistxattr 180 /* SunOS: aiowrite */ | ||
199 | #define __NR_removexattr 181 /* SunOS: aiowait */ | ||
200 | #define __NR_lremovexattr 182 /* SunOS: aiocancel */ | ||
201 | #define __NR_sigpending 183 /* Common */ | ||
202 | #define __NR_query_module 184 /* Linux Specific */ | ||
203 | #define __NR_setpgid 185 /* Common */ | ||
204 | #define __NR_fremovexattr 186 /* SunOS: pathconf */ | ||
205 | #define __NR_tkill 187 /* SunOS: fpathconf */ | ||
206 | #define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ | ||
207 | #define __NR_uname 189 /* Linux Specific */ | ||
208 | #define __NR_init_module 190 /* Linux Specific */ | ||
209 | #define __NR_personality 191 /* Linux Specific */ | ||
210 | #define __NR_remap_file_pages 192 /* Linux Specific */ | ||
211 | #define __NR_epoll_create 193 /* Linux Specific */ | ||
212 | #define __NR_epoll_ctl 194 /* Linux Specific */ | ||
213 | #define __NR_epoll_wait 195 /* Linux Specific */ | ||
214 | #define __NR_ioprio_set 196 /* Linux Specific */ | ||
215 | #define __NR_getppid 197 /* Linux Specific */ | ||
216 | #define __NR_sigaction 198 /* Linux Specific */ | ||
217 | #define __NR_sgetmask 199 /* Linux Specific */ | ||
218 | #define __NR_ssetmask 200 /* Linux Specific */ | ||
219 | #define __NR_sigsuspend 201 /* Linux Specific */ | ||
220 | #define __NR_oldlstat 202 /* Linux Specific */ | ||
221 | #define __NR_uselib 203 /* Linux Specific */ | ||
222 | #define __NR_readdir 204 /* Linux Specific */ | ||
223 | #define __NR_readahead 205 /* Linux Specific */ | ||
224 | #define __NR_socketcall 206 /* Linux Specific */ | ||
225 | #define __NR_syslog 207 /* Linux Specific */ | ||
226 | #define __NR_lookup_dcookie 208 /* Linux Specific */ | ||
227 | #define __NR_fadvise64 209 /* Linux Specific */ | ||
228 | #define __NR_fadvise64_64 210 /* Linux Specific */ | ||
229 | #define __NR_tgkill 211 /* Linux Specific */ | ||
230 | #define __NR_waitpid 212 /* Linux Specific */ | ||
231 | #define __NR_swapoff 213 /* Linux Specific */ | ||
232 | #define __NR_sysinfo 214 /* Linux Specific */ | ||
233 | #define __NR_ipc 215 /* Linux Specific */ | ||
234 | #define __NR_sigreturn 216 /* Linux Specific */ | ||
235 | #define __NR_clone 217 /* Linux Specific */ | ||
236 | #define __NR_ioprio_get 218 /* Linux Specific */ | ||
237 | #define __NR_adjtimex 219 /* Linux Specific */ | ||
238 | #define __NR_sigprocmask 220 /* Linux Specific */ | ||
239 | #define __NR_create_module 221 /* Linux Specific */ | ||
240 | #define __NR_delete_module 222 /* Linux Specific */ | ||
241 | #define __NR_get_kernel_syms 223 /* Linux Specific */ | ||
242 | #define __NR_getpgid 224 /* Linux Specific */ | ||
243 | #define __NR_bdflush 225 /* Linux Specific */ | ||
244 | #define __NR_sysfs 226 /* Linux Specific */ | ||
245 | #define __NR_afs_syscall 227 /* Linux Specific */ | ||
246 | #define __NR_setfsuid 228 /* Linux Specific */ | ||
247 | #define __NR_setfsgid 229 /* Linux Specific */ | ||
248 | #define __NR__newselect 230 /* Linux Specific */ | ||
249 | #define __NR_time 231 /* Linux Specific */ | ||
250 | #define __NR_splice 232 /* Linux Specific */ | ||
251 | #define __NR_stime 233 /* Linux Specific */ | ||
252 | #define __NR_statfs64 234 /* Linux Specific */ | ||
253 | #define __NR_fstatfs64 235 /* Linux Specific */ | ||
254 | #define __NR__llseek 236 /* Linux Specific */ | ||
255 | #define __NR_mlock 237 | ||
256 | #define __NR_munlock 238 | ||
257 | #define __NR_mlockall 239 | ||
258 | #define __NR_munlockall 240 | ||
259 | #define __NR_sched_setparam 241 | ||
260 | #define __NR_sched_getparam 242 | ||
261 | #define __NR_sched_setscheduler 243 | ||
262 | #define __NR_sched_getscheduler 244 | ||
263 | #define __NR_sched_yield 245 | ||
264 | #define __NR_sched_get_priority_max 246 | ||
265 | #define __NR_sched_get_priority_min 247 | ||
266 | #define __NR_sched_rr_get_interval 248 | ||
267 | #define __NR_nanosleep 249 | ||
268 | #define __NR_mremap 250 | ||
269 | #define __NR__sysctl 251 | ||
270 | #define __NR_getsid 252 | ||
271 | #define __NR_fdatasync 253 | ||
272 | #define __NR_nfsservctl 254 | ||
273 | #define __NR_sync_file_range 255 | ||
274 | #define __NR_clock_settime 256 | ||
275 | #define __NR_clock_gettime 257 | ||
276 | #define __NR_clock_getres 258 | ||
277 | #define __NR_clock_nanosleep 259 | ||
278 | #define __NR_sched_getaffinity 260 | ||
279 | #define __NR_sched_setaffinity 261 | ||
280 | #define __NR_timer_settime 262 | ||
281 | #define __NR_timer_gettime 263 | ||
282 | #define __NR_timer_getoverrun 264 | ||
283 | #define __NR_timer_delete 265 | ||
284 | #define __NR_timer_create 266 | ||
285 | /* #define __NR_vserver 267 Reserved for VSERVER */ | ||
286 | #define __NR_io_setup 268 | ||
287 | #define __NR_io_destroy 269 | ||
288 | #define __NR_io_submit 270 | ||
289 | #define __NR_io_cancel 271 | ||
290 | #define __NR_io_getevents 272 | ||
291 | #define __NR_mq_open 273 | ||
292 | #define __NR_mq_unlink 274 | ||
293 | #define __NR_mq_timedsend 275 | ||
294 | #define __NR_mq_timedreceive 276 | ||
295 | #define __NR_mq_notify 277 | ||
296 | #define __NR_mq_getsetattr 278 | ||
297 | #define __NR_waitid 279 | ||
298 | #define __NR_tee 280 | ||
299 | #define __NR_add_key 281 | ||
300 | #define __NR_request_key 282 | ||
301 | #define __NR_keyctl 283 | ||
302 | #define __NR_openat 284 | ||
303 | #define __NR_mkdirat 285 | ||
304 | #define __NR_mknodat 286 | ||
305 | #define __NR_fchownat 287 | ||
306 | #define __NR_futimesat 288 | ||
307 | #define __NR_fstatat64 289 | ||
308 | #define __NR_unlinkat 290 | ||
309 | #define __NR_renameat 291 | ||
310 | #define __NR_linkat 292 | ||
311 | #define __NR_symlinkat 293 | ||
312 | #define __NR_readlinkat 294 | ||
313 | #define __NR_fchmodat 295 | ||
314 | #define __NR_faccessat 296 | ||
315 | #define __NR_pselect6 297 | ||
316 | #define __NR_ppoll 298 | ||
317 | #define __NR_unshare 299 | ||
318 | #define __NR_set_robust_list 300 | ||
319 | #define __NR_get_robust_list 301 | ||
320 | #define __NR_migrate_pages 302 | ||
321 | #define __NR_mbind 303 | ||
322 | #define __NR_get_mempolicy 304 | ||
323 | #define __NR_set_mempolicy 305 | ||
324 | #define __NR_kexec_load 306 | ||
325 | #define __NR_move_pages 307 | ||
326 | #define __NR_getcpu 308 | ||
327 | #define __NR_epoll_pwait 309 | ||
328 | #define __NR_utimensat 310 | ||
329 | #define __NR_signalfd 311 | ||
330 | #define __NR_timerfd_create 312 | ||
331 | #define __NR_eventfd 313 | ||
332 | #define __NR_fallocate 314 | ||
333 | #define __NR_timerfd_settime 315 | ||
334 | #define __NR_timerfd_gettime 316 | ||
335 | |||
336 | #define NR_SYSCALLS 317 | ||
337 | |||
338 | /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, | ||
339 | * it never had the plain ones and there is no value to adding those | ||
340 | * old versions into the syscall table. | ||
341 | */ | ||
342 | #define __IGNORE_setresuid | ||
343 | #define __IGNORE_getresuid | ||
344 | #define __IGNORE_setresgid | ||
345 | #define __IGNORE_getresgid | ||
346 | |||
347 | #ifdef __KERNEL__ | ||
348 | #define __ARCH_WANT_IPC_PARSE_VERSION | ||
349 | #define __ARCH_WANT_OLD_READDIR | ||
350 | #define __ARCH_WANT_STAT64 | ||
351 | #define __ARCH_WANT_SYS_ALARM | ||
352 | #define __ARCH_WANT_SYS_GETHOSTNAME | ||
353 | #define __ARCH_WANT_SYS_PAUSE | ||
354 | #define __ARCH_WANT_SYS_SGETMASK | ||
355 | #define __ARCH_WANT_SYS_SIGNAL | ||
356 | #define __ARCH_WANT_SYS_TIME | ||
357 | #define __ARCH_WANT_SYS_UTIME | ||
358 | #define __ARCH_WANT_SYS_WAITPID | ||
359 | #define __ARCH_WANT_SYS_SOCKETCALL | ||
360 | #define __ARCH_WANT_SYS_FADVISE64 | ||
361 | #define __ARCH_WANT_SYS_GETPGRP | ||
362 | #define __ARCH_WANT_SYS_LLSEEK | ||
363 | #define __ARCH_WANT_SYS_NICE | ||
364 | #define __ARCH_WANT_SYS_OLDUMOUNT | ||
365 | #define __ARCH_WANT_SYS_SIGPENDING | ||
366 | #define __ARCH_WANT_SYS_SIGPROCMASK | ||
367 | #define __ARCH_WANT_SYS_RT_SIGSUSPEND | ||
368 | |||
369 | /* | ||
370 | * "Conditional" syscalls | ||
371 | * | ||
372 | * What we want is __attribute__((weak,alias("sys_ni_syscall"))), | ||
373 | * but it doesn't work on all toolchains, so we just do it by hand | ||
374 | */ | ||
375 | #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") | ||
376 | |||
377 | #endif /* __KERNEL__ */ | ||
378 | #endif /* _SPARC_UNISTD_H */ | ||
diff --git a/include/asm-sparc/unistd_32.h b/include/asm-sparc/unistd_32.h new file mode 100644 index 000000000000..2338a0276377 --- /dev/null +++ b/include/asm-sparc/unistd_32.h | |||
@@ -0,0 +1,378 @@ | |||
1 | #ifndef _SPARC_UNISTD_H | ||
2 | #define _SPARC_UNISTD_H | ||
3 | |||
4 | /* | ||
5 | * System calls under the Sparc. | ||
6 | * | ||
7 | * Don't be scared by the ugly clobbers, it is the only way I can | ||
8 | * think of right now to force the arguments into fixed registers | ||
9 | * before the trap into the system call with gcc 'asm' statements. | ||
10 | * | ||
11 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
12 | * | ||
13 | * SunOS compatibility based upon preliminary work which is: | ||
14 | * | ||
15 | * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) | ||
16 | */ | ||
17 | |||
18 | #define __NR_restart_syscall 0 /* Linux Specific */ | ||
19 | #define __NR_exit 1 /* Common */ | ||
20 | #define __NR_fork 2 /* Common */ | ||
21 | #define __NR_read 3 /* Common */ | ||
22 | #define __NR_write 4 /* Common */ | ||
23 | #define __NR_open 5 /* Common */ | ||
24 | #define __NR_close 6 /* Common */ | ||
25 | #define __NR_wait4 7 /* Common */ | ||
26 | #define __NR_creat 8 /* Common */ | ||
27 | #define __NR_link 9 /* Common */ | ||
28 | #define __NR_unlink 10 /* Common */ | ||
29 | #define __NR_execv 11 /* SunOS Specific */ | ||
30 | #define __NR_chdir 12 /* Common */ | ||
31 | #define __NR_chown 13 /* Common */ | ||
32 | #define __NR_mknod 14 /* Common */ | ||
33 | #define __NR_chmod 15 /* Common */ | ||
34 | #define __NR_lchown 16 /* Common */ | ||
35 | #define __NR_brk 17 /* Common */ | ||
36 | #define __NR_perfctr 18 /* Performance counter operations */ | ||
37 | #define __NR_lseek 19 /* Common */ | ||
38 | #define __NR_getpid 20 /* Common */ | ||
39 | #define __NR_capget 21 /* Linux Specific */ | ||
40 | #define __NR_capset 22 /* Linux Specific */ | ||
41 | #define __NR_setuid 23 /* Implemented via setreuid in SunOS */ | ||
42 | #define __NR_getuid 24 /* Common */ | ||
43 | #define __NR_vmsplice 25 /* ENOSYS under SunOS */ | ||
44 | #define __NR_ptrace 26 /* Common */ | ||
45 | #define __NR_alarm 27 /* Implemented via setitimer in SunOS */ | ||
46 | #define __NR_sigaltstack 28 /* Common */ | ||
47 | #define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ | ||
48 | #define __NR_utime 30 /* Implemented via utimes() under SunOS */ | ||
49 | #define __NR_lchown32 31 /* Linux sparc32 specific */ | ||
50 | #define __NR_fchown32 32 /* Linux sparc32 specific */ | ||
51 | #define __NR_access 33 /* Common */ | ||
52 | #define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ | ||
53 | #define __NR_chown32 35 /* Linux sparc32 specific */ | ||
54 | #define __NR_sync 36 /* Common */ | ||
55 | #define __NR_kill 37 /* Common */ | ||
56 | #define __NR_stat 38 /* Common */ | ||
57 | #define __NR_sendfile 39 /* Linux Specific */ | ||
58 | #define __NR_lstat 40 /* Common */ | ||
59 | #define __NR_dup 41 /* Common */ | ||
60 | #define __NR_pipe 42 /* Common */ | ||
61 | #define __NR_times 43 /* Implemented via getrusage() in SunOS */ | ||
62 | #define __NR_getuid32 44 /* Linux sparc32 specific */ | ||
63 | #define __NR_umount2 45 /* Linux Specific */ | ||
64 | #define __NR_setgid 46 /* Implemented via setregid() in SunOS */ | ||
65 | #define __NR_getgid 47 /* Common */ | ||
66 | #define __NR_signal 48 /* Implemented via sigvec() in SunOS */ | ||
67 | #define __NR_geteuid 49 /* SunOS calls getuid() */ | ||
68 | #define __NR_getegid 50 /* SunOS calls getgid() */ | ||
69 | #define __NR_acct 51 /* Common */ | ||
70 | /* #define __NR_memory_ordering 52 Linux sparc64 specific */ | ||
71 | #define __NR_getgid32 53 /* Linux sparc32 specific */ | ||
72 | #define __NR_ioctl 54 /* Common */ | ||
73 | #define __NR_reboot 55 /* Common */ | ||
74 | #define __NR_mmap2 56 /* Linux sparc32 Specific */ | ||
75 | #define __NR_symlink 57 /* Common */ | ||
76 | #define __NR_readlink 58 /* Common */ | ||
77 | #define __NR_execve 59 /* Common */ | ||
78 | #define __NR_umask 60 /* Common */ | ||
79 | #define __NR_chroot 61 /* Common */ | ||
80 | #define __NR_fstat 62 /* Common */ | ||
81 | #define __NR_fstat64 63 /* Linux Specific */ | ||
82 | #define __NR_getpagesize 64 /* Common */ | ||
83 | #define __NR_msync 65 /* Common in newer 1.3.x revs... */ | ||
84 | #define __NR_vfork 66 /* Common */ | ||
85 | #define __NR_pread64 67 /* Linux Specific */ | ||
86 | #define __NR_pwrite64 68 /* Linux Specific */ | ||
87 | #define __NR_geteuid32 69 /* Linux sparc32, sbrk under SunOS */ | ||
88 | #define __NR_getegid32 70 /* Linux sparc32, sstk under SunOS */ | ||
89 | #define __NR_mmap 71 /* Common */ | ||
90 | #define __NR_setreuid32 72 /* Linux sparc32, vadvise under SunOS */ | ||
91 | #define __NR_munmap 73 /* Common */ | ||
92 | #define __NR_mprotect 74 /* Common */ | ||
93 | #define __NR_madvise 75 /* Common */ | ||
94 | #define __NR_vhangup 76 /* Common */ | ||
95 | #define __NR_truncate64 77 /* Linux sparc32 Specific */ | ||
96 | #define __NR_mincore 78 /* Common */ | ||
97 | #define __NR_getgroups 79 /* Common */ | ||
98 | #define __NR_setgroups 80 /* Common */ | ||
99 | #define __NR_getpgrp 81 /* Common */ | ||
100 | #define __NR_setgroups32 82 /* Linux sparc32, setpgrp under SunOS */ | ||
101 | #define __NR_setitimer 83 /* Common */ | ||
102 | #define __NR_ftruncate64 84 /* Linux sparc32 Specific */ | ||
103 | #define __NR_swapon 85 /* Common */ | ||
104 | #define __NR_getitimer 86 /* Common */ | ||
105 | #define __NR_setuid32 87 /* Linux sparc32, gethostname under SunOS */ | ||
106 | #define __NR_sethostname 88 /* Common */ | ||
107 | #define __NR_setgid32 89 /* Linux sparc32, getdtablesize under SunOS */ | ||
108 | #define __NR_dup2 90 /* Common */ | ||
109 | #define __NR_setfsuid32 91 /* Linux sparc32, getdopt under SunOS */ | ||
110 | #define __NR_fcntl 92 /* Common */ | ||
111 | #define __NR_select 93 /* Common */ | ||
112 | #define __NR_setfsgid32 94 /* Linux sparc32, setdopt under SunOS */ | ||
113 | #define __NR_fsync 95 /* Common */ | ||
114 | #define __NR_setpriority 96 /* Common */ | ||
115 | #define __NR_socket 97 /* Common */ | ||
116 | #define __NR_connect 98 /* Common */ | ||
117 | #define __NR_accept 99 /* Common */ | ||
118 | #define __NR_getpriority 100 /* Common */ | ||
119 | #define __NR_rt_sigreturn 101 /* Linux Specific */ | ||
120 | #define __NR_rt_sigaction 102 /* Linux Specific */ | ||
121 | #define __NR_rt_sigprocmask 103 /* Linux Specific */ | ||
122 | #define __NR_rt_sigpending 104 /* Linux Specific */ | ||
123 | #define __NR_rt_sigtimedwait 105 /* Linux Specific */ | ||
124 | #define __NR_rt_sigqueueinfo 106 /* Linux Specific */ | ||
125 | #define __NR_rt_sigsuspend 107 /* Linux Specific */ | ||
126 | #define __NR_setresuid32 108 /* Linux Specific, sigvec under SunOS */ | ||
127 | #define __NR_getresuid32 109 /* Linux Specific, sigblock under SunOS */ | ||
128 | #define __NR_setresgid32 110 /* Linux Specific, sigsetmask under SunOS */ | ||
129 | #define __NR_getresgid32 111 /* Linux Specific, sigpause under SunOS */ | ||
130 | #define __NR_setregid32 112 /* Linux sparc32, sigstack under SunOS */ | ||
131 | #define __NR_recvmsg 113 /* Common */ | ||
132 | #define __NR_sendmsg 114 /* Common */ | ||
133 | #define __NR_getgroups32 115 /* Linux sparc32, vtrace under SunOS */ | ||
134 | #define __NR_gettimeofday 116 /* Common */ | ||
135 | #define __NR_getrusage 117 /* Common */ | ||
136 | #define __NR_getsockopt 118 /* Common */ | ||
137 | #define __NR_getcwd 119 /* Linux Specific */ | ||
138 | #define __NR_readv 120 /* Common */ | ||
139 | #define __NR_writev 121 /* Common */ | ||
140 | #define __NR_settimeofday 122 /* Common */ | ||
141 | #define __NR_fchown 123 /* Common */ | ||
142 | #define __NR_fchmod 124 /* Common */ | ||
143 | #define __NR_recvfrom 125 /* Common */ | ||
144 | #define __NR_setreuid 126 /* Common */ | ||
145 | #define __NR_setregid 127 /* Common */ | ||
146 | #define __NR_rename 128 /* Common */ | ||
147 | #define __NR_truncate 129 /* Common */ | ||
148 | #define __NR_ftruncate 130 /* Common */ | ||
149 | #define __NR_flock 131 /* Common */ | ||
150 | #define __NR_lstat64 132 /* Linux Specific */ | ||
151 | #define __NR_sendto 133 /* Common */ | ||
152 | #define __NR_shutdown 134 /* Common */ | ||
153 | #define __NR_socketpair 135 /* Common */ | ||
154 | #define __NR_mkdir 136 /* Common */ | ||
155 | #define __NR_rmdir 137 /* Common */ | ||
156 | #define __NR_utimes 138 /* SunOS Specific */ | ||
157 | #define __NR_stat64 139 /* Linux Specific */ | ||
158 | #define __NR_sendfile64 140 /* adjtime under SunOS */ | ||
159 | #define __NR_getpeername 141 /* Common */ | ||
160 | #define __NR_futex 142 /* gethostid under SunOS */ | ||
161 | #define __NR_gettid 143 /* ENOSYS under SunOS */ | ||
162 | #define __NR_getrlimit 144 /* Common */ | ||
163 | #define __NR_setrlimit 145 /* Common */ | ||
164 | #define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ | ||
165 | #define __NR_prctl 147 /* ENOSYS under SunOS */ | ||
166 | #define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ | ||
167 | #define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ | ||
168 | #define __NR_getsockname 150 /* Common */ | ||
169 | #define __NR_inotify_init 151 /* Linux specific */ | ||
170 | #define __NR_inotify_add_watch 152 /* Linux specific */ | ||
171 | #define __NR_poll 153 /* Common */ | ||
172 | #define __NR_getdents64 154 /* Linux specific */ | ||
173 | #define __NR_fcntl64 155 /* Linux sparc32 Specific */ | ||
174 | #define __NR_inotify_rm_watch 156 /* Linux specific */ | ||
175 | #define __NR_statfs 157 /* Common */ | ||
176 | #define __NR_fstatfs 158 /* Common */ | ||
177 | #define __NR_umount 159 /* Common */ | ||
178 | #define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ | ||
179 | #define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ | ||
180 | #define __NR_getdomainname 162 /* SunOS Specific */ | ||
181 | #define __NR_setdomainname 163 /* Common */ | ||
182 | /* #define __NR_utrap_install 164 Linux sparc64 specific */ | ||
183 | #define __NR_quotactl 165 /* Common */ | ||
184 | #define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ | ||
185 | #define __NR_mount 167 /* Common */ | ||
186 | #define __NR_ustat 168 /* Common */ | ||
187 | #define __NR_setxattr 169 /* SunOS: semsys */ | ||
188 | #define __NR_lsetxattr 170 /* SunOS: msgsys */ | ||
189 | #define __NR_fsetxattr 171 /* SunOS: shmsys */ | ||
190 | #define __NR_getxattr 172 /* SunOS: auditsys */ | ||
191 | #define __NR_lgetxattr 173 /* SunOS: rfssys */ | ||
192 | #define __NR_getdents 174 /* Common */ | ||
193 | #define __NR_setsid 175 /* Common */ | ||
194 | #define __NR_fchdir 176 /* Common */ | ||
195 | #define __NR_fgetxattr 177 /* SunOS: fchroot */ | ||
196 | #define __NR_listxattr 178 /* SunOS: vpixsys */ | ||
197 | #define __NR_llistxattr 179 /* SunOS: aioread */ | ||
198 | #define __NR_flistxattr 180 /* SunOS: aiowrite */ | ||
199 | #define __NR_removexattr 181 /* SunOS: aiowait */ | ||
200 | #define __NR_lremovexattr 182 /* SunOS: aiocancel */ | ||
201 | #define __NR_sigpending 183 /* Common */ | ||
202 | #define __NR_query_module 184 /* Linux Specific */ | ||
203 | #define __NR_setpgid 185 /* Common */ | ||
204 | #define __NR_fremovexattr 186 /* SunOS: pathconf */ | ||
205 | #define __NR_tkill 187 /* SunOS: fpathconf */ | ||
206 | #define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ | ||
207 | #define __NR_uname 189 /* Linux Specific */ | ||
208 | #define __NR_init_module 190 /* Linux Specific */ | ||
209 | #define __NR_personality 191 /* Linux Specific */ | ||
210 | #define __NR_remap_file_pages 192 /* Linux Specific */ | ||
211 | #define __NR_epoll_create 193 /* Linux Specific */ | ||
212 | #define __NR_epoll_ctl 194 /* Linux Specific */ | ||
213 | #define __NR_epoll_wait 195 /* Linux Specific */ | ||
214 | #define __NR_ioprio_set 196 /* Linux Specific */ | ||
215 | #define __NR_getppid 197 /* Linux Specific */ | ||
216 | #define __NR_sigaction 198 /* Linux Specific */ | ||
217 | #define __NR_sgetmask 199 /* Linux Specific */ | ||
218 | #define __NR_ssetmask 200 /* Linux Specific */ | ||
219 | #define __NR_sigsuspend 201 /* Linux Specific */ | ||
220 | #define __NR_oldlstat 202 /* Linux Specific */ | ||
221 | #define __NR_uselib 203 /* Linux Specific */ | ||
222 | #define __NR_readdir 204 /* Linux Specific */ | ||
223 | #define __NR_readahead 205 /* Linux Specific */ | ||
224 | #define __NR_socketcall 206 /* Linux Specific */ | ||
225 | #define __NR_syslog 207 /* Linux Specific */ | ||
226 | #define __NR_lookup_dcookie 208 /* Linux Specific */ | ||
227 | #define __NR_fadvise64 209 /* Linux Specific */ | ||
228 | #define __NR_fadvise64_64 210 /* Linux Specific */ | ||
229 | #define __NR_tgkill 211 /* Linux Specific */ | ||
230 | #define __NR_waitpid 212 /* Linux Specific */ | ||
231 | #define __NR_swapoff 213 /* Linux Specific */ | ||
232 | #define __NR_sysinfo 214 /* Linux Specific */ | ||
233 | #define __NR_ipc 215 /* Linux Specific */ | ||
234 | #define __NR_sigreturn 216 /* Linux Specific */ | ||
235 | #define __NR_clone 217 /* Linux Specific */ | ||
236 | #define __NR_ioprio_get 218 /* Linux Specific */ | ||
237 | #define __NR_adjtimex 219 /* Linux Specific */ | ||
238 | #define __NR_sigprocmask 220 /* Linux Specific */ | ||
239 | #define __NR_create_module 221 /* Linux Specific */ | ||
240 | #define __NR_delete_module 222 /* Linux Specific */ | ||
241 | #define __NR_get_kernel_syms 223 /* Linux Specific */ | ||
242 | #define __NR_getpgid 224 /* Linux Specific */ | ||
243 | #define __NR_bdflush 225 /* Linux Specific */ | ||
244 | #define __NR_sysfs 226 /* Linux Specific */ | ||
245 | #define __NR_afs_syscall 227 /* Linux Specific */ | ||
246 | #define __NR_setfsuid 228 /* Linux Specific */ | ||
247 | #define __NR_setfsgid 229 /* Linux Specific */ | ||
248 | #define __NR__newselect 230 /* Linux Specific */ | ||
249 | #define __NR_time 231 /* Linux Specific */ | ||
250 | #define __NR_splice 232 /* Linux Specific */ | ||
251 | #define __NR_stime 233 /* Linux Specific */ | ||
252 | #define __NR_statfs64 234 /* Linux Specific */ | ||
253 | #define __NR_fstatfs64 235 /* Linux Specific */ | ||
254 | #define __NR__llseek 236 /* Linux Specific */ | ||
255 | #define __NR_mlock 237 | ||
256 | #define __NR_munlock 238 | ||
257 | #define __NR_mlockall 239 | ||
258 | #define __NR_munlockall 240 | ||
259 | #define __NR_sched_setparam 241 | ||
260 | #define __NR_sched_getparam 242 | ||
261 | #define __NR_sched_setscheduler 243 | ||
262 | #define __NR_sched_getscheduler 244 | ||
263 | #define __NR_sched_yield 245 | ||
264 | #define __NR_sched_get_priority_max 246 | ||
265 | #define __NR_sched_get_priority_min 247 | ||
266 | #define __NR_sched_rr_get_interval 248 | ||
267 | #define __NR_nanosleep 249 | ||
268 | #define __NR_mremap 250 | ||
269 | #define __NR__sysctl 251 | ||
270 | #define __NR_getsid 252 | ||
271 | #define __NR_fdatasync 253 | ||
272 | #define __NR_nfsservctl 254 | ||
273 | #define __NR_sync_file_range 255 | ||
274 | #define __NR_clock_settime 256 | ||
275 | #define __NR_clock_gettime 257 | ||
276 | #define __NR_clock_getres 258 | ||
277 | #define __NR_clock_nanosleep 259 | ||
278 | #define __NR_sched_getaffinity 260 | ||
279 | #define __NR_sched_setaffinity 261 | ||
280 | #define __NR_timer_settime 262 | ||
281 | #define __NR_timer_gettime 263 | ||
282 | #define __NR_timer_getoverrun 264 | ||
283 | #define __NR_timer_delete 265 | ||
284 | #define __NR_timer_create 266 | ||
285 | /* #define __NR_vserver 267 Reserved for VSERVER */ | ||
286 | #define __NR_io_setup 268 | ||
287 | #define __NR_io_destroy 269 | ||
288 | #define __NR_io_submit 270 | ||
289 | #define __NR_io_cancel 271 | ||
290 | #define __NR_io_getevents 272 | ||
291 | #define __NR_mq_open 273 | ||
292 | #define __NR_mq_unlink 274 | ||
293 | #define __NR_mq_timedsend 275 | ||
294 | #define __NR_mq_timedreceive 276 | ||
295 | #define __NR_mq_notify 277 | ||
296 | #define __NR_mq_getsetattr 278 | ||
297 | #define __NR_waitid 279 | ||
298 | #define __NR_tee 280 | ||
299 | #define __NR_add_key 281 | ||
300 | #define __NR_request_key 282 | ||
301 | #define __NR_keyctl 283 | ||
302 | #define __NR_openat 284 | ||
303 | #define __NR_mkdirat 285 | ||
304 | #define __NR_mknodat 286 | ||
305 | #define __NR_fchownat 287 | ||
306 | #define __NR_futimesat 288 | ||
307 | #define __NR_fstatat64 289 | ||
308 | #define __NR_unlinkat 290 | ||
309 | #define __NR_renameat 291 | ||
310 | #define __NR_linkat 292 | ||
311 | #define __NR_symlinkat 293 | ||
312 | #define __NR_readlinkat 294 | ||
313 | #define __NR_fchmodat 295 | ||
314 | #define __NR_faccessat 296 | ||
315 | #define __NR_pselect6 297 | ||
316 | #define __NR_ppoll 298 | ||
317 | #define __NR_unshare 299 | ||
318 | #define __NR_set_robust_list 300 | ||
319 | #define __NR_get_robust_list 301 | ||
320 | #define __NR_migrate_pages 302 | ||
321 | #define __NR_mbind 303 | ||
322 | #define __NR_get_mempolicy 304 | ||
323 | #define __NR_set_mempolicy 305 | ||
324 | #define __NR_kexec_load 306 | ||
325 | #define __NR_move_pages 307 | ||
326 | #define __NR_getcpu 308 | ||
327 | #define __NR_epoll_pwait 309 | ||
328 | #define __NR_utimensat 310 | ||
329 | #define __NR_signalfd 311 | ||
330 | #define __NR_timerfd_create 312 | ||
331 | #define __NR_eventfd 313 | ||
332 | #define __NR_fallocate 314 | ||
333 | #define __NR_timerfd_settime 315 | ||
334 | #define __NR_timerfd_gettime 316 | ||
335 | |||
336 | #define NR_SYSCALLS 317 | ||
337 | |||
338 | /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, | ||
339 | * it never had the plain ones and there is no value to adding those | ||
340 | * old versions into the syscall table. | ||
341 | */ | ||
342 | #define __IGNORE_setresuid | ||
343 | #define __IGNORE_getresuid | ||
344 | #define __IGNORE_setresgid | ||
345 | #define __IGNORE_getresgid | ||
346 | |||
347 | #ifdef __KERNEL__ | ||
348 | #define __ARCH_WANT_IPC_PARSE_VERSION | ||
349 | #define __ARCH_WANT_OLD_READDIR | ||
350 | #define __ARCH_WANT_STAT64 | ||
351 | #define __ARCH_WANT_SYS_ALARM | ||
352 | #define __ARCH_WANT_SYS_GETHOSTNAME | ||
353 | #define __ARCH_WANT_SYS_PAUSE | ||
354 | #define __ARCH_WANT_SYS_SGETMASK | ||
355 | #define __ARCH_WANT_SYS_SIGNAL | ||
356 | #define __ARCH_WANT_SYS_TIME | ||
357 | #define __ARCH_WANT_SYS_UTIME | ||
358 | #define __ARCH_WANT_SYS_WAITPID | ||
359 | #define __ARCH_WANT_SYS_SOCKETCALL | ||
360 | #define __ARCH_WANT_SYS_FADVISE64 | ||
361 | #define __ARCH_WANT_SYS_GETPGRP | ||
362 | #define __ARCH_WANT_SYS_LLSEEK | ||
363 | #define __ARCH_WANT_SYS_NICE | ||
364 | #define __ARCH_WANT_SYS_OLDUMOUNT | ||
365 | #define __ARCH_WANT_SYS_SIGPENDING | ||
366 | #define __ARCH_WANT_SYS_SIGPROCMASK | ||
367 | #define __ARCH_WANT_SYS_RT_SIGSUSPEND | ||
368 | |||
369 | /* | ||
370 | * "Conditional" syscalls | ||
371 | * | ||
372 | * What we want is __attribute__((weak,alias("sys_ni_syscall"))), | ||
373 | * but it doesn't work on all toolchains, so we just do it by hand | ||
374 | */ | ||
375 | #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") | ||
376 | |||
377 | #endif /* __KERNEL__ */ | ||
378 | #endif /* _SPARC_UNISTD_H */ | ||
diff --git a/include/asm-sparc/unistd_64.h b/include/asm-sparc/unistd_64.h new file mode 100644 index 000000000000..13be4453a1f0 --- /dev/null +++ b/include/asm-sparc/unistd_64.h | |||
@@ -0,0 +1,373 @@ | |||
1 | #ifndef _SPARC64_UNISTD_H | ||
2 | #define _SPARC64_UNISTD_H | ||
3 | |||
4 | /* | ||
5 | * System calls under the Sparc. | ||
6 | * | ||
7 | * Don't be scared by the ugly clobbers, it is the only way I can | ||
8 | * think of right now to force the arguments into fixed registers | ||
9 | * before the trap into the system call with gcc 'asm' statements. | ||
10 | * | ||
11 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
12 | * | ||
13 | * SunOS compatibility based upon preliminary work which is: | ||
14 | * | ||
15 | * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) | ||
16 | */ | ||
17 | |||
18 | #define __NR_restart_syscall 0 /* Linux Specific */ | ||
19 | #define __NR_exit 1 /* Common */ | ||
20 | #define __NR_fork 2 /* Common */ | ||
21 | #define __NR_read 3 /* Common */ | ||
22 | #define __NR_write 4 /* Common */ | ||
23 | #define __NR_open 5 /* Common */ | ||
24 | #define __NR_close 6 /* Common */ | ||
25 | #define __NR_wait4 7 /* Common */ | ||
26 | #define __NR_creat 8 /* Common */ | ||
27 | #define __NR_link 9 /* Common */ | ||
28 | #define __NR_unlink 10 /* Common */ | ||
29 | #define __NR_execv 11 /* SunOS Specific */ | ||
30 | #define __NR_chdir 12 /* Common */ | ||
31 | #define __NR_chown 13 /* Common */ | ||
32 | #define __NR_mknod 14 /* Common */ | ||
33 | #define __NR_chmod 15 /* Common */ | ||
34 | #define __NR_lchown 16 /* Common */ | ||
35 | #define __NR_brk 17 /* Common */ | ||
36 | #define __NR_perfctr 18 /* Performance counter operations */ | ||
37 | #define __NR_lseek 19 /* Common */ | ||
38 | #define __NR_getpid 20 /* Common */ | ||
39 | #define __NR_capget 21 /* Linux Specific */ | ||
40 | #define __NR_capset 22 /* Linux Specific */ | ||
41 | #define __NR_setuid 23 /* Implemented via setreuid in SunOS */ | ||
42 | #define __NR_getuid 24 /* Common */ | ||
43 | #define __NR_vmsplice 25 /* ENOSYS under SunOS */ | ||
44 | #define __NR_ptrace 26 /* Common */ | ||
45 | #define __NR_alarm 27 /* Implemented via setitimer in SunOS */ | ||
46 | #define __NR_sigaltstack 28 /* Common */ | ||
47 | #define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ | ||
48 | #define __NR_utime 30 /* Implemented via utimes() under SunOS */ | ||
49 | /* #define __NR_lchown32 31 Linux sparc32 specific */ | ||
50 | /* #define __NR_fchown32 32 Linux sparc32 specific */ | ||
51 | #define __NR_access 33 /* Common */ | ||
52 | #define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ | ||
53 | /* #define __NR_chown32 35 Linux sparc32 specific */ | ||
54 | #define __NR_sync 36 /* Common */ | ||
55 | #define __NR_kill 37 /* Common */ | ||
56 | #define __NR_stat 38 /* Common */ | ||
57 | #define __NR_sendfile 39 /* Linux Specific */ | ||
58 | #define __NR_lstat 40 /* Common */ | ||
59 | #define __NR_dup 41 /* Common */ | ||
60 | #define __NR_pipe 42 /* Common */ | ||
61 | #define __NR_times 43 /* Implemented via getrusage() in SunOS */ | ||
62 | /* #define __NR_getuid32 44 Linux sparc32 specific */ | ||
63 | #define __NR_umount2 45 /* Linux Specific */ | ||
64 | #define __NR_setgid 46 /* Implemented via setregid() in SunOS */ | ||
65 | #define __NR_getgid 47 /* Common */ | ||
66 | #define __NR_signal 48 /* Implemented via sigvec() in SunOS */ | ||
67 | #define __NR_geteuid 49 /* SunOS calls getuid() */ | ||
68 | #define __NR_getegid 50 /* SunOS calls getgid() */ | ||
69 | #define __NR_acct 51 /* Common */ | ||
70 | #define __NR_memory_ordering 52 /* Linux Specific */ | ||
71 | /* #define __NR_getgid32 53 Linux sparc32 specific */ | ||
72 | #define __NR_ioctl 54 /* Common */ | ||
73 | #define __NR_reboot 55 /* Common */ | ||
74 | /* #define __NR_mmap2 56 Linux sparc32 Specific */ | ||
75 | #define __NR_symlink 57 /* Common */ | ||
76 | #define __NR_readlink 58 /* Common */ | ||
77 | #define __NR_execve 59 /* Common */ | ||
78 | #define __NR_umask 60 /* Common */ | ||
79 | #define __NR_chroot 61 /* Common */ | ||
80 | #define __NR_fstat 62 /* Common */ | ||
81 | #define __NR_fstat64 63 /* Linux Specific */ | ||
82 | #define __NR_getpagesize 64 /* Common */ | ||
83 | #define __NR_msync 65 /* Common in newer 1.3.x revs... */ | ||
84 | #define __NR_vfork 66 /* Common */ | ||
85 | #define __NR_pread64 67 /* Linux Specific */ | ||
86 | #define __NR_pwrite64 68 /* Linux Specific */ | ||
87 | /* #define __NR_geteuid32 69 Linux sparc32, sbrk under SunOS */ | ||
88 | /* #define __NR_getegid32 70 Linux sparc32, sstk under SunOS */ | ||
89 | #define __NR_mmap 71 /* Common */ | ||
90 | /* #define __NR_setreuid32 72 Linux sparc32, vadvise under SunOS */ | ||
91 | #define __NR_munmap 73 /* Common */ | ||
92 | #define __NR_mprotect 74 /* Common */ | ||
93 | #define __NR_madvise 75 /* Common */ | ||
94 | #define __NR_vhangup 76 /* Common */ | ||
95 | /* #define __NR_truncate64 77 Linux sparc32 Specific */ | ||
96 | #define __NR_mincore 78 /* Common */ | ||
97 | #define __NR_getgroups 79 /* Common */ | ||
98 | #define __NR_setgroups 80 /* Common */ | ||
99 | #define __NR_getpgrp 81 /* Common */ | ||
100 | /* #define __NR_setgroups32 82 Linux sparc32, setpgrp under SunOS */ | ||
101 | #define __NR_setitimer 83 /* Common */ | ||
102 | /* #define __NR_ftruncate64 84 Linux sparc32 Specific */ | ||
103 | #define __NR_swapon 85 /* Common */ | ||
104 | #define __NR_getitimer 86 /* Common */ | ||
105 | /* #define __NR_setuid32 87 Linux sparc32, gethostname under SunOS */ | ||
106 | #define __NR_sethostname 88 /* Common */ | ||
107 | /* #define __NR_setgid32 89 Linux sparc32, getdtablesize under SunOS */ | ||
108 | #define __NR_dup2 90 /* Common */ | ||
109 | /* #define __NR_setfsuid32 91 Linux sparc32, getdopt under SunOS */ | ||
110 | #define __NR_fcntl 92 /* Common */ | ||
111 | #define __NR_select 93 /* Common */ | ||
112 | /* #define __NR_setfsgid32 94 Linux sparc32, setdopt under SunOS */ | ||
113 | #define __NR_fsync 95 /* Common */ | ||
114 | #define __NR_setpriority 96 /* Common */ | ||
115 | #define __NR_socket 97 /* Common */ | ||
116 | #define __NR_connect 98 /* Common */ | ||
117 | #define __NR_accept 99 /* Common */ | ||
118 | #define __NR_getpriority 100 /* Common */ | ||
119 | #define __NR_rt_sigreturn 101 /* Linux Specific */ | ||
120 | #define __NR_rt_sigaction 102 /* Linux Specific */ | ||
121 | #define __NR_rt_sigprocmask 103 /* Linux Specific */ | ||
122 | #define __NR_rt_sigpending 104 /* Linux Specific */ | ||
123 | #define __NR_rt_sigtimedwait 105 /* Linux Specific */ | ||
124 | #define __NR_rt_sigqueueinfo 106 /* Linux Specific */ | ||
125 | #define __NR_rt_sigsuspend 107 /* Linux Specific */ | ||
126 | #define __NR_setresuid 108 /* Linux Specific, sigvec under SunOS */ | ||
127 | #define __NR_getresuid 109 /* Linux Specific, sigblock under SunOS */ | ||
128 | #define __NR_setresgid 110 /* Linux Specific, sigsetmask under SunOS */ | ||
129 | #define __NR_getresgid 111 /* Linux Specific, sigpause under SunOS */ | ||
130 | /* #define __NR_setregid32 75 Linux sparc32, sigstack under SunOS */ | ||
131 | #define __NR_recvmsg 113 /* Common */ | ||
132 | #define __NR_sendmsg 114 /* Common */ | ||
133 | /* #define __NR_getgroups32 115 Linux sparc32, vtrace under SunOS */ | ||
134 | #define __NR_gettimeofday 116 /* Common */ | ||
135 | #define __NR_getrusage 117 /* Common */ | ||
136 | #define __NR_getsockopt 118 /* Common */ | ||
137 | #define __NR_getcwd 119 /* Linux Specific */ | ||
138 | #define __NR_readv 120 /* Common */ | ||
139 | #define __NR_writev 121 /* Common */ | ||
140 | #define __NR_settimeofday 122 /* Common */ | ||
141 | #define __NR_fchown 123 /* Common */ | ||
142 | #define __NR_fchmod 124 /* Common */ | ||
143 | #define __NR_recvfrom 125 /* Common */ | ||
144 | #define __NR_setreuid 126 /* Common */ | ||
145 | #define __NR_setregid 127 /* Common */ | ||
146 | #define __NR_rename 128 /* Common */ | ||
147 | #define __NR_truncate 129 /* Common */ | ||
148 | #define __NR_ftruncate 130 /* Common */ | ||
149 | #define __NR_flock 131 /* Common */ | ||
150 | #define __NR_lstat64 132 /* Linux Specific */ | ||
151 | #define __NR_sendto 133 /* Common */ | ||
152 | #define __NR_shutdown 134 /* Common */ | ||
153 | #define __NR_socketpair 135 /* Common */ | ||
154 | #define __NR_mkdir 136 /* Common */ | ||
155 | #define __NR_rmdir 137 /* Common */ | ||
156 | #define __NR_utimes 138 /* SunOS Specific */ | ||
157 | #define __NR_stat64 139 /* Linux Specific */ | ||
158 | #define __NR_sendfile64 140 /* adjtime under SunOS */ | ||
159 | #define __NR_getpeername 141 /* Common */ | ||
160 | #define __NR_futex 142 /* gethostid under SunOS */ | ||
161 | #define __NR_gettid 143 /* ENOSYS under SunOS */ | ||
162 | #define __NR_getrlimit 144 /* Common */ | ||
163 | #define __NR_setrlimit 145 /* Common */ | ||
164 | #define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ | ||
165 | #define __NR_prctl 147 /* ENOSYS under SunOS */ | ||
166 | #define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ | ||
167 | #define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ | ||
168 | #define __NR_getsockname 150 /* Common */ | ||
169 | #define __NR_inotify_init 151 /* Linux specific */ | ||
170 | #define __NR_inotify_add_watch 152 /* Linux specific */ | ||
171 | #define __NR_poll 153 /* Common */ | ||
172 | #define __NR_getdents64 154 /* Linux specific */ | ||
173 | /* #define __NR_fcntl64 155 Linux sparc32 Specific */ | ||
174 | #define __NR_inotify_rm_watch 156 /* Linux specific */ | ||
175 | #define __NR_statfs 157 /* Common */ | ||
176 | #define __NR_fstatfs 158 /* Common */ | ||
177 | #define __NR_umount 159 /* Common */ | ||
178 | #define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ | ||
179 | #define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ | ||
180 | #define __NR_getdomainname 162 /* SunOS Specific */ | ||
181 | #define __NR_setdomainname 163 /* Common */ | ||
182 | #define __NR_utrap_install 164 /* SYSV ABI/v9 required */ | ||
183 | #define __NR_quotactl 165 /* Common */ | ||
184 | #define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ | ||
185 | #define __NR_mount 167 /* Common */ | ||
186 | #define __NR_ustat 168 /* Common */ | ||
187 | #define __NR_setxattr 169 /* SunOS: semsys */ | ||
188 | #define __NR_lsetxattr 170 /* SunOS: msgsys */ | ||
189 | #define __NR_fsetxattr 171 /* SunOS: shmsys */ | ||
190 | #define __NR_getxattr 172 /* SunOS: auditsys */ | ||
191 | #define __NR_lgetxattr 173 /* SunOS: rfssys */ | ||
192 | #define __NR_getdents 174 /* Common */ | ||
193 | #define __NR_setsid 175 /* Common */ | ||
194 | #define __NR_fchdir 176 /* Common */ | ||
195 | #define __NR_fgetxattr 177 /* SunOS: fchroot */ | ||
196 | #define __NR_listxattr 178 /* SunOS: vpixsys */ | ||
197 | #define __NR_llistxattr 179 /* SunOS: aioread */ | ||
198 | #define __NR_flistxattr 180 /* SunOS: aiowrite */ | ||
199 | #define __NR_removexattr 181 /* SunOS: aiowait */ | ||
200 | #define __NR_lremovexattr 182 /* SunOS: aiocancel */ | ||
201 | #define __NR_sigpending 183 /* Common */ | ||
202 | #define __NR_query_module 184 /* Linux Specific */ | ||
203 | #define __NR_setpgid 185 /* Common */ | ||
204 | #define __NR_fremovexattr 186 /* SunOS: pathconf */ | ||
205 | #define __NR_tkill 187 /* SunOS: fpathconf */ | ||
206 | #define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ | ||
207 | #define __NR_uname 189 /* Linux Specific */ | ||
208 | #define __NR_init_module 190 /* Linux Specific */ | ||
209 | #define __NR_personality 191 /* Linux Specific */ | ||
210 | #define __NR_remap_file_pages 192 /* Linux Specific */ | ||
211 | #define __NR_epoll_create 193 /* Linux Specific */ | ||
212 | #define __NR_epoll_ctl 194 /* Linux Specific */ | ||
213 | #define __NR_epoll_wait 195 /* Linux Specific */ | ||
214 | #define __NR_ioprio_set 196 /* Linux Specific */ | ||
215 | #define __NR_getppid 197 /* Linux Specific */ | ||
216 | #define __NR_sigaction 198 /* Linux Specific */ | ||
217 | #define __NR_sgetmask 199 /* Linux Specific */ | ||
218 | #define __NR_ssetmask 200 /* Linux Specific */ | ||
219 | #define __NR_sigsuspend 201 /* Linux Specific */ | ||
220 | #define __NR_oldlstat 202 /* Linux Specific */ | ||
221 | #define __NR_uselib 203 /* Linux Specific */ | ||
222 | #define __NR_readdir 204 /* Linux Specific */ | ||
223 | #define __NR_readahead 205 /* Linux Specific */ | ||
224 | #define __NR_socketcall 206 /* Linux Specific */ | ||
225 | #define __NR_syslog 207 /* Linux Specific */ | ||
226 | #define __NR_lookup_dcookie 208 /* Linux Specific */ | ||
227 | #define __NR_fadvise64 209 /* Linux Specific */ | ||
228 | #define __NR_fadvise64_64 210 /* Linux Specific */ | ||
229 | #define __NR_tgkill 211 /* Linux Specific */ | ||
230 | #define __NR_waitpid 212 /* Linux Specific */ | ||
231 | #define __NR_swapoff 213 /* Linux Specific */ | ||
232 | #define __NR_sysinfo 214 /* Linux Specific */ | ||
233 | #define __NR_ipc 215 /* Linux Specific */ | ||
234 | #define __NR_sigreturn 216 /* Linux Specific */ | ||
235 | #define __NR_clone 217 /* Linux Specific */ | ||
236 | #define __NR_ioprio_get 218 /* Linux Specific */ | ||
237 | #define __NR_adjtimex 219 /* Linux Specific */ | ||
238 | #define __NR_sigprocmask 220 /* Linux Specific */ | ||
239 | #define __NR_create_module 221 /* Linux Specific */ | ||
240 | #define __NR_delete_module 222 /* Linux Specific */ | ||
241 | #define __NR_get_kernel_syms 223 /* Linux Specific */ | ||
242 | #define __NR_getpgid 224 /* Linux Specific */ | ||
243 | #define __NR_bdflush 225 /* Linux Specific */ | ||
244 | #define __NR_sysfs 226 /* Linux Specific */ | ||
245 | #define __NR_afs_syscall 227 /* Linux Specific */ | ||
246 | #define __NR_setfsuid 228 /* Linux Specific */ | ||
247 | #define __NR_setfsgid 229 /* Linux Specific */ | ||
248 | #define __NR__newselect 230 /* Linux Specific */ | ||
249 | #ifdef __KERNEL__ | ||
250 | #define __NR_time 231 /* Linux sparc32 */ | ||
251 | #endif | ||
252 | #define __NR_splice 232 /* Linux Specific */ | ||
253 | #define __NR_stime 233 /* Linux Specific */ | ||
254 | #define __NR_statfs64 234 /* Linux Specific */ | ||
255 | #define __NR_fstatfs64 235 /* Linux Specific */ | ||
256 | #define __NR__llseek 236 /* Linux Specific */ | ||
257 | #define __NR_mlock 237 | ||
258 | #define __NR_munlock 238 | ||
259 | #define __NR_mlockall 239 | ||
260 | #define __NR_munlockall 240 | ||
261 | #define __NR_sched_setparam 241 | ||
262 | #define __NR_sched_getparam 242 | ||
263 | #define __NR_sched_setscheduler 243 | ||
264 | #define __NR_sched_getscheduler 244 | ||
265 | #define __NR_sched_yield 245 | ||
266 | #define __NR_sched_get_priority_max 246 | ||
267 | #define __NR_sched_get_priority_min 247 | ||
268 | #define __NR_sched_rr_get_interval 248 | ||
269 | #define __NR_nanosleep 249 | ||
270 | #define __NR_mremap 250 | ||
271 | #define __NR__sysctl 251 | ||
272 | #define __NR_getsid 252 | ||
273 | #define __NR_fdatasync 253 | ||
274 | #define __NR_nfsservctl 254 | ||
275 | #define __NR_sync_file_range 255 | ||
276 | #define __NR_clock_settime 256 | ||
277 | #define __NR_clock_gettime 257 | ||
278 | #define __NR_clock_getres 258 | ||
279 | #define __NR_clock_nanosleep 259 | ||
280 | #define __NR_sched_getaffinity 260 | ||
281 | #define __NR_sched_setaffinity 261 | ||
282 | #define __NR_timer_settime 262 | ||
283 | #define __NR_timer_gettime 263 | ||
284 | #define __NR_timer_getoverrun 264 | ||
285 | #define __NR_timer_delete 265 | ||
286 | #define __NR_timer_create 266 | ||
287 | /* #define __NR_vserver 267 Reserved for VSERVER */ | ||
288 | #define __NR_io_setup 268 | ||
289 | #define __NR_io_destroy 269 | ||
290 | #define __NR_io_submit 270 | ||
291 | #define __NR_io_cancel 271 | ||
292 | #define __NR_io_getevents 272 | ||
293 | #define __NR_mq_open 273 | ||
294 | #define __NR_mq_unlink 274 | ||
295 | #define __NR_mq_timedsend 275 | ||
296 | #define __NR_mq_timedreceive 276 | ||
297 | #define __NR_mq_notify 277 | ||
298 | #define __NR_mq_getsetattr 278 | ||
299 | #define __NR_waitid 279 | ||
300 | #define __NR_tee 280 | ||
301 | #define __NR_add_key 281 | ||
302 | #define __NR_request_key 282 | ||
303 | #define __NR_keyctl 283 | ||
304 | #define __NR_openat 284 | ||
305 | #define __NR_mkdirat 285 | ||
306 | #define __NR_mknodat 286 | ||
307 | #define __NR_fchownat 287 | ||
308 | #define __NR_futimesat 288 | ||
309 | #define __NR_fstatat64 289 | ||
310 | #define __NR_unlinkat 290 | ||
311 | #define __NR_renameat 291 | ||
312 | #define __NR_linkat 292 | ||
313 | #define __NR_symlinkat 293 | ||
314 | #define __NR_readlinkat 294 | ||
315 | #define __NR_fchmodat 295 | ||
316 | #define __NR_faccessat 296 | ||
317 | #define __NR_pselect6 297 | ||
318 | #define __NR_ppoll 298 | ||
319 | #define __NR_unshare 299 | ||
320 | #define __NR_set_robust_list 300 | ||
321 | #define __NR_get_robust_list 301 | ||
322 | #define __NR_migrate_pages 302 | ||
323 | #define __NR_mbind 303 | ||
324 | #define __NR_get_mempolicy 304 | ||
325 | #define __NR_set_mempolicy 305 | ||
326 | #define __NR_kexec_load 306 | ||
327 | #define __NR_move_pages 307 | ||
328 | #define __NR_getcpu 308 | ||
329 | #define __NR_epoll_pwait 309 | ||
330 | #define __NR_utimensat 310 | ||
331 | #define __NR_signalfd 311 | ||
332 | #define __NR_timerfd_create 312 | ||
333 | #define __NR_eventfd 313 | ||
334 | #define __NR_fallocate 314 | ||
335 | #define __NR_timerfd_settime 315 | ||
336 | #define __NR_timerfd_gettime 316 | ||
337 | |||
338 | #define NR_SYSCALLS 317 | ||
339 | |||
340 | #ifdef __KERNEL__ | ||
341 | #define __ARCH_WANT_IPC_PARSE_VERSION | ||
342 | #define __ARCH_WANT_OLD_READDIR | ||
343 | #define __ARCH_WANT_STAT64 | ||
344 | #define __ARCH_WANT_SYS_ALARM | ||
345 | #define __ARCH_WANT_SYS_GETHOSTNAME | ||
346 | #define __ARCH_WANT_SYS_PAUSE | ||
347 | #define __ARCH_WANT_SYS_SGETMASK | ||
348 | #define __ARCH_WANT_SYS_SIGNAL | ||
349 | #define __ARCH_WANT_SYS_TIME | ||
350 | #define __ARCH_WANT_COMPAT_SYS_TIME | ||
351 | #define __ARCH_WANT_SYS_UTIME | ||
352 | #define __ARCH_WANT_SYS_WAITPID | ||
353 | #define __ARCH_WANT_SYS_SOCKETCALL | ||
354 | #define __ARCH_WANT_SYS_FADVISE64 | ||
355 | #define __ARCH_WANT_SYS_GETPGRP | ||
356 | #define __ARCH_WANT_SYS_LLSEEK | ||
357 | #define __ARCH_WANT_SYS_NICE | ||
358 | #define __ARCH_WANT_SYS_OLDUMOUNT | ||
359 | #define __ARCH_WANT_SYS_SIGPENDING | ||
360 | #define __ARCH_WANT_SYS_SIGPROCMASK | ||
361 | #define __ARCH_WANT_SYS_RT_SIGSUSPEND | ||
362 | #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND | ||
363 | |||
364 | /* | ||
365 | * "Conditional" syscalls | ||
366 | * | ||
367 | * What we want is __attribute__((weak,alias("sys_ni_syscall"))), | ||
368 | * but it doesn't work on all toolchains, so we just do it by hand | ||
369 | */ | ||
370 | #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") | ||
371 | |||
372 | #endif /* __KERNEL__ */ | ||
373 | #endif /* _SPARC64_UNISTD_H */ | ||
diff --git a/include/asm-sparc/xor.h b/include/asm-sparc/xor.h index f34b2cfa8206..35089a838c3f 100644 --- a/include/asm-sparc/xor.h +++ b/include/asm-sparc/xor.h | |||
@@ -1,269 +1,8 @@ | |||
1 | /* | 1 | #ifndef ___ASM_SPARC_XOR_H |
2 | * include/asm-sparc/xor.h | 2 | #define ___ASM_SPARC_XOR_H |
3 | * | 3 | #if defined(__sparc__) && defined(__arch64__) |
4 | * Optimized RAID-5 checksumming functions for 32-bit Sparc. | 4 | #include <asm-sparc/xor_64.h> |
5 | * | 5 | #else |
6 | * This program is free software; you can redistribute it and/or modify | 6 | #include <asm-sparc/xor_32.h> |
7 | * it under the terms of the GNU General Public License as published by | 7 | #endif |
8 | * the Free Software Foundation; either version 2, or (at your option) | 8 | #endif |
9 | * any later version. | ||
10 | * | ||
11 | * You should have received a copy of the GNU General Public License | ||
12 | * (for example /usr/src/linux/COPYING); if not, write to the Free | ||
13 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
14 | */ | ||
15 | |||
16 | /* | ||
17 | * High speed xor_block operation for RAID4/5 utilizing the | ||
18 | * ldd/std SPARC instructions. | ||
19 | * | ||
20 | * Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz) | ||
21 | */ | ||
22 | |||
23 | static void | ||
24 | sparc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) | ||
25 | { | ||
26 | int lines = bytes / (sizeof (long)) / 8; | ||
27 | |||
28 | do { | ||
29 | __asm__ __volatile__( | ||
30 | "ldd [%0 + 0x00], %%g2\n\t" | ||
31 | "ldd [%0 + 0x08], %%g4\n\t" | ||
32 | "ldd [%0 + 0x10], %%o0\n\t" | ||
33 | "ldd [%0 + 0x18], %%o2\n\t" | ||
34 | "ldd [%1 + 0x00], %%o4\n\t" | ||
35 | "ldd [%1 + 0x08], %%l0\n\t" | ||
36 | "ldd [%1 + 0x10], %%l2\n\t" | ||
37 | "ldd [%1 + 0x18], %%l4\n\t" | ||
38 | "xor %%g2, %%o4, %%g2\n\t" | ||
39 | "xor %%g3, %%o5, %%g3\n\t" | ||
40 | "xor %%g4, %%l0, %%g4\n\t" | ||
41 | "xor %%g5, %%l1, %%g5\n\t" | ||
42 | "xor %%o0, %%l2, %%o0\n\t" | ||
43 | "xor %%o1, %%l3, %%o1\n\t" | ||
44 | "xor %%o2, %%l4, %%o2\n\t" | ||
45 | "xor %%o3, %%l5, %%o3\n\t" | ||
46 | "std %%g2, [%0 + 0x00]\n\t" | ||
47 | "std %%g4, [%0 + 0x08]\n\t" | ||
48 | "std %%o0, [%0 + 0x10]\n\t" | ||
49 | "std %%o2, [%0 + 0x18]\n" | ||
50 | : | ||
51 | : "r" (p1), "r" (p2) | ||
52 | : "g2", "g3", "g4", "g5", | ||
53 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
54 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
55 | p1 += 8; | ||
56 | p2 += 8; | ||
57 | } while (--lines > 0); | ||
58 | } | ||
59 | |||
60 | static void | ||
61 | sparc_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
62 | unsigned long *p3) | ||
63 | { | ||
64 | int lines = bytes / (sizeof (long)) / 8; | ||
65 | |||
66 | do { | ||
67 | __asm__ __volatile__( | ||
68 | "ldd [%0 + 0x00], %%g2\n\t" | ||
69 | "ldd [%0 + 0x08], %%g4\n\t" | ||
70 | "ldd [%0 + 0x10], %%o0\n\t" | ||
71 | "ldd [%0 + 0x18], %%o2\n\t" | ||
72 | "ldd [%1 + 0x00], %%o4\n\t" | ||
73 | "ldd [%1 + 0x08], %%l0\n\t" | ||
74 | "ldd [%1 + 0x10], %%l2\n\t" | ||
75 | "ldd [%1 + 0x18], %%l4\n\t" | ||
76 | "xor %%g2, %%o4, %%g2\n\t" | ||
77 | "xor %%g3, %%o5, %%g3\n\t" | ||
78 | "ldd [%2 + 0x00], %%o4\n\t" | ||
79 | "xor %%g4, %%l0, %%g4\n\t" | ||
80 | "xor %%g5, %%l1, %%g5\n\t" | ||
81 | "ldd [%2 + 0x08], %%l0\n\t" | ||
82 | "xor %%o0, %%l2, %%o0\n\t" | ||
83 | "xor %%o1, %%l3, %%o1\n\t" | ||
84 | "ldd [%2 + 0x10], %%l2\n\t" | ||
85 | "xor %%o2, %%l4, %%o2\n\t" | ||
86 | "xor %%o3, %%l5, %%o3\n\t" | ||
87 | "ldd [%2 + 0x18], %%l4\n\t" | ||
88 | "xor %%g2, %%o4, %%g2\n\t" | ||
89 | "xor %%g3, %%o5, %%g3\n\t" | ||
90 | "xor %%g4, %%l0, %%g4\n\t" | ||
91 | "xor %%g5, %%l1, %%g5\n\t" | ||
92 | "xor %%o0, %%l2, %%o0\n\t" | ||
93 | "xor %%o1, %%l3, %%o1\n\t" | ||
94 | "xor %%o2, %%l4, %%o2\n\t" | ||
95 | "xor %%o3, %%l5, %%o3\n\t" | ||
96 | "std %%g2, [%0 + 0x00]\n\t" | ||
97 | "std %%g4, [%0 + 0x08]\n\t" | ||
98 | "std %%o0, [%0 + 0x10]\n\t" | ||
99 | "std %%o2, [%0 + 0x18]\n" | ||
100 | : | ||
101 | : "r" (p1), "r" (p2), "r" (p3) | ||
102 | : "g2", "g3", "g4", "g5", | ||
103 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
104 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
105 | p1 += 8; | ||
106 | p2 += 8; | ||
107 | p3 += 8; | ||
108 | } while (--lines > 0); | ||
109 | } | ||
110 | |||
111 | static void | ||
112 | sparc_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
113 | unsigned long *p3, unsigned long *p4) | ||
114 | { | ||
115 | int lines = bytes / (sizeof (long)) / 8; | ||
116 | |||
117 | do { | ||
118 | __asm__ __volatile__( | ||
119 | "ldd [%0 + 0x00], %%g2\n\t" | ||
120 | "ldd [%0 + 0x08], %%g4\n\t" | ||
121 | "ldd [%0 + 0x10], %%o0\n\t" | ||
122 | "ldd [%0 + 0x18], %%o2\n\t" | ||
123 | "ldd [%1 + 0x00], %%o4\n\t" | ||
124 | "ldd [%1 + 0x08], %%l0\n\t" | ||
125 | "ldd [%1 + 0x10], %%l2\n\t" | ||
126 | "ldd [%1 + 0x18], %%l4\n\t" | ||
127 | "xor %%g2, %%o4, %%g2\n\t" | ||
128 | "xor %%g3, %%o5, %%g3\n\t" | ||
129 | "ldd [%2 + 0x00], %%o4\n\t" | ||
130 | "xor %%g4, %%l0, %%g4\n\t" | ||
131 | "xor %%g5, %%l1, %%g5\n\t" | ||
132 | "ldd [%2 + 0x08], %%l0\n\t" | ||
133 | "xor %%o0, %%l2, %%o0\n\t" | ||
134 | "xor %%o1, %%l3, %%o1\n\t" | ||
135 | "ldd [%2 + 0x10], %%l2\n\t" | ||
136 | "xor %%o2, %%l4, %%o2\n\t" | ||
137 | "xor %%o3, %%l5, %%o3\n\t" | ||
138 | "ldd [%2 + 0x18], %%l4\n\t" | ||
139 | "xor %%g2, %%o4, %%g2\n\t" | ||
140 | "xor %%g3, %%o5, %%g3\n\t" | ||
141 | "ldd [%3 + 0x00], %%o4\n\t" | ||
142 | "xor %%g4, %%l0, %%g4\n\t" | ||
143 | "xor %%g5, %%l1, %%g5\n\t" | ||
144 | "ldd [%3 + 0x08], %%l0\n\t" | ||
145 | "xor %%o0, %%l2, %%o0\n\t" | ||
146 | "xor %%o1, %%l3, %%o1\n\t" | ||
147 | "ldd [%3 + 0x10], %%l2\n\t" | ||
148 | "xor %%o2, %%l4, %%o2\n\t" | ||
149 | "xor %%o3, %%l5, %%o3\n\t" | ||
150 | "ldd [%3 + 0x18], %%l4\n\t" | ||
151 | "xor %%g2, %%o4, %%g2\n\t" | ||
152 | "xor %%g3, %%o5, %%g3\n\t" | ||
153 | "xor %%g4, %%l0, %%g4\n\t" | ||
154 | "xor %%g5, %%l1, %%g5\n\t" | ||
155 | "xor %%o0, %%l2, %%o0\n\t" | ||
156 | "xor %%o1, %%l3, %%o1\n\t" | ||
157 | "xor %%o2, %%l4, %%o2\n\t" | ||
158 | "xor %%o3, %%l5, %%o3\n\t" | ||
159 | "std %%g2, [%0 + 0x00]\n\t" | ||
160 | "std %%g4, [%0 + 0x08]\n\t" | ||
161 | "std %%o0, [%0 + 0x10]\n\t" | ||
162 | "std %%o2, [%0 + 0x18]\n" | ||
163 | : | ||
164 | : "r" (p1), "r" (p2), "r" (p3), "r" (p4) | ||
165 | : "g2", "g3", "g4", "g5", | ||
166 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
167 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
168 | p1 += 8; | ||
169 | p2 += 8; | ||
170 | p3 += 8; | ||
171 | p4 += 8; | ||
172 | } while (--lines > 0); | ||
173 | } | ||
174 | |||
175 | static void | ||
176 | sparc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
177 | unsigned long *p3, unsigned long *p4, unsigned long *p5) | ||
178 | { | ||
179 | int lines = bytes / (sizeof (long)) / 8; | ||
180 | |||
181 | do { | ||
182 | __asm__ __volatile__( | ||
183 | "ldd [%0 + 0x00], %%g2\n\t" | ||
184 | "ldd [%0 + 0x08], %%g4\n\t" | ||
185 | "ldd [%0 + 0x10], %%o0\n\t" | ||
186 | "ldd [%0 + 0x18], %%o2\n\t" | ||
187 | "ldd [%1 + 0x00], %%o4\n\t" | ||
188 | "ldd [%1 + 0x08], %%l0\n\t" | ||
189 | "ldd [%1 + 0x10], %%l2\n\t" | ||
190 | "ldd [%1 + 0x18], %%l4\n\t" | ||
191 | "xor %%g2, %%o4, %%g2\n\t" | ||
192 | "xor %%g3, %%o5, %%g3\n\t" | ||
193 | "ldd [%2 + 0x00], %%o4\n\t" | ||
194 | "xor %%g4, %%l0, %%g4\n\t" | ||
195 | "xor %%g5, %%l1, %%g5\n\t" | ||
196 | "ldd [%2 + 0x08], %%l0\n\t" | ||
197 | "xor %%o0, %%l2, %%o0\n\t" | ||
198 | "xor %%o1, %%l3, %%o1\n\t" | ||
199 | "ldd [%2 + 0x10], %%l2\n\t" | ||
200 | "xor %%o2, %%l4, %%o2\n\t" | ||
201 | "xor %%o3, %%l5, %%o3\n\t" | ||
202 | "ldd [%2 + 0x18], %%l4\n\t" | ||
203 | "xor %%g2, %%o4, %%g2\n\t" | ||
204 | "xor %%g3, %%o5, %%g3\n\t" | ||
205 | "ldd [%3 + 0x00], %%o4\n\t" | ||
206 | "xor %%g4, %%l0, %%g4\n\t" | ||
207 | "xor %%g5, %%l1, %%g5\n\t" | ||
208 | "ldd [%3 + 0x08], %%l0\n\t" | ||
209 | "xor %%o0, %%l2, %%o0\n\t" | ||
210 | "xor %%o1, %%l3, %%o1\n\t" | ||
211 | "ldd [%3 + 0x10], %%l2\n\t" | ||
212 | "xor %%o2, %%l4, %%o2\n\t" | ||
213 | "xor %%o3, %%l5, %%o3\n\t" | ||
214 | "ldd [%3 + 0x18], %%l4\n\t" | ||
215 | "xor %%g2, %%o4, %%g2\n\t" | ||
216 | "xor %%g3, %%o5, %%g3\n\t" | ||
217 | "ldd [%4 + 0x00], %%o4\n\t" | ||
218 | "xor %%g4, %%l0, %%g4\n\t" | ||
219 | "xor %%g5, %%l1, %%g5\n\t" | ||
220 | "ldd [%4 + 0x08], %%l0\n\t" | ||
221 | "xor %%o0, %%l2, %%o0\n\t" | ||
222 | "xor %%o1, %%l3, %%o1\n\t" | ||
223 | "ldd [%4 + 0x10], %%l2\n\t" | ||
224 | "xor %%o2, %%l4, %%o2\n\t" | ||
225 | "xor %%o3, %%l5, %%o3\n\t" | ||
226 | "ldd [%4 + 0x18], %%l4\n\t" | ||
227 | "xor %%g2, %%o4, %%g2\n\t" | ||
228 | "xor %%g3, %%o5, %%g3\n\t" | ||
229 | "xor %%g4, %%l0, %%g4\n\t" | ||
230 | "xor %%g5, %%l1, %%g5\n\t" | ||
231 | "xor %%o0, %%l2, %%o0\n\t" | ||
232 | "xor %%o1, %%l3, %%o1\n\t" | ||
233 | "xor %%o2, %%l4, %%o2\n\t" | ||
234 | "xor %%o3, %%l5, %%o3\n\t" | ||
235 | "std %%g2, [%0 + 0x00]\n\t" | ||
236 | "std %%g4, [%0 + 0x08]\n\t" | ||
237 | "std %%o0, [%0 + 0x10]\n\t" | ||
238 | "std %%o2, [%0 + 0x18]\n" | ||
239 | : | ||
240 | : "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) | ||
241 | : "g2", "g3", "g4", "g5", | ||
242 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
243 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
244 | p1 += 8; | ||
245 | p2 += 8; | ||
246 | p3 += 8; | ||
247 | p4 += 8; | ||
248 | p5 += 8; | ||
249 | } while (--lines > 0); | ||
250 | } | ||
251 | |||
252 | static struct xor_block_template xor_block_SPARC = { | ||
253 | .name = "SPARC", | ||
254 | .do_2 = sparc_2, | ||
255 | .do_3 = sparc_3, | ||
256 | .do_4 = sparc_4, | ||
257 | .do_5 = sparc_5, | ||
258 | }; | ||
259 | |||
260 | /* For grins, also test the generic routines. */ | ||
261 | #include <asm-generic/xor.h> | ||
262 | |||
263 | #undef XOR_TRY_TEMPLATES | ||
264 | #define XOR_TRY_TEMPLATES \ | ||
265 | do { \ | ||
266 | xor_speed(&xor_block_8regs); \ | ||
267 | xor_speed(&xor_block_32regs); \ | ||
268 | xor_speed(&xor_block_SPARC); \ | ||
269 | } while (0) | ||
diff --git a/include/asm-sparc/xor_32.h b/include/asm-sparc/xor_32.h new file mode 100644 index 000000000000..f34b2cfa8206 --- /dev/null +++ b/include/asm-sparc/xor_32.h | |||
@@ -0,0 +1,269 @@ | |||
1 | /* | ||
2 | * include/asm-sparc/xor.h | ||
3 | * | ||
4 | * Optimized RAID-5 checksumming functions for 32-bit Sparc. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2, or (at your option) | ||
9 | * any later version. | ||
10 | * | ||
11 | * You should have received a copy of the GNU General Public License | ||
12 | * (for example /usr/src/linux/COPYING); if not, write to the Free | ||
13 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
14 | */ | ||
15 | |||
16 | /* | ||
17 | * High speed xor_block operation for RAID4/5 utilizing the | ||
18 | * ldd/std SPARC instructions. | ||
19 | * | ||
20 | * Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz) | ||
21 | */ | ||
22 | |||
23 | static void | ||
24 | sparc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) | ||
25 | { | ||
26 | int lines = bytes / (sizeof (long)) / 8; | ||
27 | |||
28 | do { | ||
29 | __asm__ __volatile__( | ||
30 | "ldd [%0 + 0x00], %%g2\n\t" | ||
31 | "ldd [%0 + 0x08], %%g4\n\t" | ||
32 | "ldd [%0 + 0x10], %%o0\n\t" | ||
33 | "ldd [%0 + 0x18], %%o2\n\t" | ||
34 | "ldd [%1 + 0x00], %%o4\n\t" | ||
35 | "ldd [%1 + 0x08], %%l0\n\t" | ||
36 | "ldd [%1 + 0x10], %%l2\n\t" | ||
37 | "ldd [%1 + 0x18], %%l4\n\t" | ||
38 | "xor %%g2, %%o4, %%g2\n\t" | ||
39 | "xor %%g3, %%o5, %%g3\n\t" | ||
40 | "xor %%g4, %%l0, %%g4\n\t" | ||
41 | "xor %%g5, %%l1, %%g5\n\t" | ||
42 | "xor %%o0, %%l2, %%o0\n\t" | ||
43 | "xor %%o1, %%l3, %%o1\n\t" | ||
44 | "xor %%o2, %%l4, %%o2\n\t" | ||
45 | "xor %%o3, %%l5, %%o3\n\t" | ||
46 | "std %%g2, [%0 + 0x00]\n\t" | ||
47 | "std %%g4, [%0 + 0x08]\n\t" | ||
48 | "std %%o0, [%0 + 0x10]\n\t" | ||
49 | "std %%o2, [%0 + 0x18]\n" | ||
50 | : | ||
51 | : "r" (p1), "r" (p2) | ||
52 | : "g2", "g3", "g4", "g5", | ||
53 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
54 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
55 | p1 += 8; | ||
56 | p2 += 8; | ||
57 | } while (--lines > 0); | ||
58 | } | ||
59 | |||
60 | static void | ||
61 | sparc_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
62 | unsigned long *p3) | ||
63 | { | ||
64 | int lines = bytes / (sizeof (long)) / 8; | ||
65 | |||
66 | do { | ||
67 | __asm__ __volatile__( | ||
68 | "ldd [%0 + 0x00], %%g2\n\t" | ||
69 | "ldd [%0 + 0x08], %%g4\n\t" | ||
70 | "ldd [%0 + 0x10], %%o0\n\t" | ||
71 | "ldd [%0 + 0x18], %%o2\n\t" | ||
72 | "ldd [%1 + 0x00], %%o4\n\t" | ||
73 | "ldd [%1 + 0x08], %%l0\n\t" | ||
74 | "ldd [%1 + 0x10], %%l2\n\t" | ||
75 | "ldd [%1 + 0x18], %%l4\n\t" | ||
76 | "xor %%g2, %%o4, %%g2\n\t" | ||
77 | "xor %%g3, %%o5, %%g3\n\t" | ||
78 | "ldd [%2 + 0x00], %%o4\n\t" | ||
79 | "xor %%g4, %%l0, %%g4\n\t" | ||
80 | "xor %%g5, %%l1, %%g5\n\t" | ||
81 | "ldd [%2 + 0x08], %%l0\n\t" | ||
82 | "xor %%o0, %%l2, %%o0\n\t" | ||
83 | "xor %%o1, %%l3, %%o1\n\t" | ||
84 | "ldd [%2 + 0x10], %%l2\n\t" | ||
85 | "xor %%o2, %%l4, %%o2\n\t" | ||
86 | "xor %%o3, %%l5, %%o3\n\t" | ||
87 | "ldd [%2 + 0x18], %%l4\n\t" | ||
88 | "xor %%g2, %%o4, %%g2\n\t" | ||
89 | "xor %%g3, %%o5, %%g3\n\t" | ||
90 | "xor %%g4, %%l0, %%g4\n\t" | ||
91 | "xor %%g5, %%l1, %%g5\n\t" | ||
92 | "xor %%o0, %%l2, %%o0\n\t" | ||
93 | "xor %%o1, %%l3, %%o1\n\t" | ||
94 | "xor %%o2, %%l4, %%o2\n\t" | ||
95 | "xor %%o3, %%l5, %%o3\n\t" | ||
96 | "std %%g2, [%0 + 0x00]\n\t" | ||
97 | "std %%g4, [%0 + 0x08]\n\t" | ||
98 | "std %%o0, [%0 + 0x10]\n\t" | ||
99 | "std %%o2, [%0 + 0x18]\n" | ||
100 | : | ||
101 | : "r" (p1), "r" (p2), "r" (p3) | ||
102 | : "g2", "g3", "g4", "g5", | ||
103 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
104 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
105 | p1 += 8; | ||
106 | p2 += 8; | ||
107 | p3 += 8; | ||
108 | } while (--lines > 0); | ||
109 | } | ||
110 | |||
111 | static void | ||
112 | sparc_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
113 | unsigned long *p3, unsigned long *p4) | ||
114 | { | ||
115 | int lines = bytes / (sizeof (long)) / 8; | ||
116 | |||
117 | do { | ||
118 | __asm__ __volatile__( | ||
119 | "ldd [%0 + 0x00], %%g2\n\t" | ||
120 | "ldd [%0 + 0x08], %%g4\n\t" | ||
121 | "ldd [%0 + 0x10], %%o0\n\t" | ||
122 | "ldd [%0 + 0x18], %%o2\n\t" | ||
123 | "ldd [%1 + 0x00], %%o4\n\t" | ||
124 | "ldd [%1 + 0x08], %%l0\n\t" | ||
125 | "ldd [%1 + 0x10], %%l2\n\t" | ||
126 | "ldd [%1 + 0x18], %%l4\n\t" | ||
127 | "xor %%g2, %%o4, %%g2\n\t" | ||
128 | "xor %%g3, %%o5, %%g3\n\t" | ||
129 | "ldd [%2 + 0x00], %%o4\n\t" | ||
130 | "xor %%g4, %%l0, %%g4\n\t" | ||
131 | "xor %%g5, %%l1, %%g5\n\t" | ||
132 | "ldd [%2 + 0x08], %%l0\n\t" | ||
133 | "xor %%o0, %%l2, %%o0\n\t" | ||
134 | "xor %%o1, %%l3, %%o1\n\t" | ||
135 | "ldd [%2 + 0x10], %%l2\n\t" | ||
136 | "xor %%o2, %%l4, %%o2\n\t" | ||
137 | "xor %%o3, %%l5, %%o3\n\t" | ||
138 | "ldd [%2 + 0x18], %%l4\n\t" | ||
139 | "xor %%g2, %%o4, %%g2\n\t" | ||
140 | "xor %%g3, %%o5, %%g3\n\t" | ||
141 | "ldd [%3 + 0x00], %%o4\n\t" | ||
142 | "xor %%g4, %%l0, %%g4\n\t" | ||
143 | "xor %%g5, %%l1, %%g5\n\t" | ||
144 | "ldd [%3 + 0x08], %%l0\n\t" | ||
145 | "xor %%o0, %%l2, %%o0\n\t" | ||
146 | "xor %%o1, %%l3, %%o1\n\t" | ||
147 | "ldd [%3 + 0x10], %%l2\n\t" | ||
148 | "xor %%o2, %%l4, %%o2\n\t" | ||
149 | "xor %%o3, %%l5, %%o3\n\t" | ||
150 | "ldd [%3 + 0x18], %%l4\n\t" | ||
151 | "xor %%g2, %%o4, %%g2\n\t" | ||
152 | "xor %%g3, %%o5, %%g3\n\t" | ||
153 | "xor %%g4, %%l0, %%g4\n\t" | ||
154 | "xor %%g5, %%l1, %%g5\n\t" | ||
155 | "xor %%o0, %%l2, %%o0\n\t" | ||
156 | "xor %%o1, %%l3, %%o1\n\t" | ||
157 | "xor %%o2, %%l4, %%o2\n\t" | ||
158 | "xor %%o3, %%l5, %%o3\n\t" | ||
159 | "std %%g2, [%0 + 0x00]\n\t" | ||
160 | "std %%g4, [%0 + 0x08]\n\t" | ||
161 | "std %%o0, [%0 + 0x10]\n\t" | ||
162 | "std %%o2, [%0 + 0x18]\n" | ||
163 | : | ||
164 | : "r" (p1), "r" (p2), "r" (p3), "r" (p4) | ||
165 | : "g2", "g3", "g4", "g5", | ||
166 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
167 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
168 | p1 += 8; | ||
169 | p2 += 8; | ||
170 | p3 += 8; | ||
171 | p4 += 8; | ||
172 | } while (--lines > 0); | ||
173 | } | ||
174 | |||
175 | static void | ||
176 | sparc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, | ||
177 | unsigned long *p3, unsigned long *p4, unsigned long *p5) | ||
178 | { | ||
179 | int lines = bytes / (sizeof (long)) / 8; | ||
180 | |||
181 | do { | ||
182 | __asm__ __volatile__( | ||
183 | "ldd [%0 + 0x00], %%g2\n\t" | ||
184 | "ldd [%0 + 0x08], %%g4\n\t" | ||
185 | "ldd [%0 + 0x10], %%o0\n\t" | ||
186 | "ldd [%0 + 0x18], %%o2\n\t" | ||
187 | "ldd [%1 + 0x00], %%o4\n\t" | ||
188 | "ldd [%1 + 0x08], %%l0\n\t" | ||
189 | "ldd [%1 + 0x10], %%l2\n\t" | ||
190 | "ldd [%1 + 0x18], %%l4\n\t" | ||
191 | "xor %%g2, %%o4, %%g2\n\t" | ||
192 | "xor %%g3, %%o5, %%g3\n\t" | ||
193 | "ldd [%2 + 0x00], %%o4\n\t" | ||
194 | "xor %%g4, %%l0, %%g4\n\t" | ||
195 | "xor %%g5, %%l1, %%g5\n\t" | ||
196 | "ldd [%2 + 0x08], %%l0\n\t" | ||
197 | "xor %%o0, %%l2, %%o0\n\t" | ||
198 | "xor %%o1, %%l3, %%o1\n\t" | ||
199 | "ldd [%2 + 0x10], %%l2\n\t" | ||
200 | "xor %%o2, %%l4, %%o2\n\t" | ||
201 | "xor %%o3, %%l5, %%o3\n\t" | ||
202 | "ldd [%2 + 0x18], %%l4\n\t" | ||
203 | "xor %%g2, %%o4, %%g2\n\t" | ||
204 | "xor %%g3, %%o5, %%g3\n\t" | ||
205 | "ldd [%3 + 0x00], %%o4\n\t" | ||
206 | "xor %%g4, %%l0, %%g4\n\t" | ||
207 | "xor %%g5, %%l1, %%g5\n\t" | ||
208 | "ldd [%3 + 0x08], %%l0\n\t" | ||
209 | "xor %%o0, %%l2, %%o0\n\t" | ||
210 | "xor %%o1, %%l3, %%o1\n\t" | ||
211 | "ldd [%3 + 0x10], %%l2\n\t" | ||
212 | "xor %%o2, %%l4, %%o2\n\t" | ||
213 | "xor %%o3, %%l5, %%o3\n\t" | ||
214 | "ldd [%3 + 0x18], %%l4\n\t" | ||
215 | "xor %%g2, %%o4, %%g2\n\t" | ||
216 | "xor %%g3, %%o5, %%g3\n\t" | ||
217 | "ldd [%4 + 0x00], %%o4\n\t" | ||
218 | "xor %%g4, %%l0, %%g4\n\t" | ||
219 | "xor %%g5, %%l1, %%g5\n\t" | ||
220 | "ldd [%4 + 0x08], %%l0\n\t" | ||
221 | "xor %%o0, %%l2, %%o0\n\t" | ||
222 | "xor %%o1, %%l3, %%o1\n\t" | ||
223 | "ldd [%4 + 0x10], %%l2\n\t" | ||
224 | "xor %%o2, %%l4, %%o2\n\t" | ||
225 | "xor %%o3, %%l5, %%o3\n\t" | ||
226 | "ldd [%4 + 0x18], %%l4\n\t" | ||
227 | "xor %%g2, %%o4, %%g2\n\t" | ||
228 | "xor %%g3, %%o5, %%g3\n\t" | ||
229 | "xor %%g4, %%l0, %%g4\n\t" | ||
230 | "xor %%g5, %%l1, %%g5\n\t" | ||
231 | "xor %%o0, %%l2, %%o0\n\t" | ||
232 | "xor %%o1, %%l3, %%o1\n\t" | ||
233 | "xor %%o2, %%l4, %%o2\n\t" | ||
234 | "xor %%o3, %%l5, %%o3\n\t" | ||
235 | "std %%g2, [%0 + 0x00]\n\t" | ||
236 | "std %%g4, [%0 + 0x08]\n\t" | ||
237 | "std %%o0, [%0 + 0x10]\n\t" | ||
238 | "std %%o2, [%0 + 0x18]\n" | ||
239 | : | ||
240 | : "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) | ||
241 | : "g2", "g3", "g4", "g5", | ||
242 | "o0", "o1", "o2", "o3", "o4", "o5", | ||
243 | "l0", "l1", "l2", "l3", "l4", "l5"); | ||
244 | p1 += 8; | ||
245 | p2 += 8; | ||
246 | p3 += 8; | ||
247 | p4 += 8; | ||
248 | p5 += 8; | ||
249 | } while (--lines > 0); | ||
250 | } | ||
251 | |||
252 | static struct xor_block_template xor_block_SPARC = { | ||
253 | .name = "SPARC", | ||
254 | .do_2 = sparc_2, | ||
255 | .do_3 = sparc_3, | ||
256 | .do_4 = sparc_4, | ||
257 | .do_5 = sparc_5, | ||
258 | }; | ||
259 | |||
260 | /* For grins, also test the generic routines. */ | ||
261 | #include <asm-generic/xor.h> | ||
262 | |||
263 | #undef XOR_TRY_TEMPLATES | ||
264 | #define XOR_TRY_TEMPLATES \ | ||
265 | do { \ | ||
266 | xor_speed(&xor_block_8regs); \ | ||
267 | xor_speed(&xor_block_32regs); \ | ||
268 | xor_speed(&xor_block_SPARC); \ | ||
269 | } while (0) | ||
diff --git a/include/asm-sparc/xor_64.h b/include/asm-sparc/xor_64.h new file mode 100644 index 000000000000..a0233884fc94 --- /dev/null +++ b/include/asm-sparc/xor_64.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * include/asm-sparc64/xor.h | ||
3 | * | ||
4 | * High speed xor_block operation for RAID4/5 utilizing the | ||
5 | * UltraSparc Visual Instruction Set and Niagara block-init | ||
6 | * twin-load instructions. | ||
7 | * | ||
8 | * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz) | ||
9 | * Copyright (C) 2006 David S. Miller <davem@davemloft.net> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2, or (at your option) | ||
14 | * any later version. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * (for example /usr/src/linux/COPYING); if not, write to the Free | ||
18 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 | */ | ||
20 | |||
21 | #include <asm/spitfire.h> | ||
22 | |||
23 | extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); | ||
24 | extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, | ||
25 | unsigned long *); | ||
26 | extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *, | ||
27 | unsigned long *, unsigned long *); | ||
28 | extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *, | ||
29 | unsigned long *, unsigned long *, unsigned long *); | ||
30 | |||
31 | /* XXX Ugh, write cheetah versions... -DaveM */ | ||
32 | |||
33 | static struct xor_block_template xor_block_VIS = { | ||
34 | .name = "VIS", | ||
35 | .do_2 = xor_vis_2, | ||
36 | .do_3 = xor_vis_3, | ||
37 | .do_4 = xor_vis_4, | ||
38 | .do_5 = xor_vis_5, | ||
39 | }; | ||
40 | |||
41 | extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); | ||
42 | extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, | ||
43 | unsigned long *); | ||
44 | extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, | ||
45 | unsigned long *, unsigned long *); | ||
46 | extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, | ||
47 | unsigned long *, unsigned long *, unsigned long *); | ||
48 | |||
49 | static struct xor_block_template xor_block_niagara = { | ||
50 | .name = "Niagara", | ||
51 | .do_2 = xor_niagara_2, | ||
52 | .do_3 = xor_niagara_3, | ||
53 | .do_4 = xor_niagara_4, | ||
54 | .do_5 = xor_niagara_5, | ||
55 | }; | ||
56 | |||
57 | #undef XOR_TRY_TEMPLATES | ||
58 | #define XOR_TRY_TEMPLATES \ | ||
59 | do { \ | ||
60 | xor_speed(&xor_block_VIS); \ | ||
61 | xor_speed(&xor_block_niagara); \ | ||
62 | } while (0) | ||
63 | |||
64 | /* For VIS for everything except Niagara. */ | ||
65 | #define XOR_SELECT_TEMPLATE(FASTEST) \ | ||
66 | ((tlb_type == hypervisor && \ | ||
67 | (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ | ||
68 | sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \ | ||
69 | &xor_block_niagara : \ | ||
70 | &xor_block_VIS) | ||
diff --git a/include/asm-sparc64/Kbuild b/include/asm-sparc64/Kbuild index 7e88c1292d10..6cdaf9d33b38 100644 --- a/include/asm-sparc64/Kbuild +++ b/include/asm-sparc64/Kbuild | |||
@@ -1,21 +1 @@ | |||
1 | include include/asm-generic/Kbuild.asm | # dummy file to avoid breaking make headers_install | |
2 | |||
3 | ALTARCH := sparc | ||
4 | ARCHDEF := defined __sparc__ && defined __arch64__ | ||
5 | ALTARCHDEF := defined __sparc__ && !defined __arch64__ | ||
6 | |||
7 | header-y += asi.h | ||
8 | header-y += bpp.h | ||
9 | header-y += display7seg.h | ||
10 | header-y += envctrl.h | ||
11 | header-y += openprom.h | ||
12 | header-y += openpromio.h | ||
13 | header-y += psrcompat.h | ||
14 | header-y += pstate.h | ||
15 | header-y += reg.h | ||
16 | header-y += uctx.h | ||
17 | header-y += utrap.h | ||
18 | header-y += watchdog.h | ||
19 | |||
20 | unifdef-y += fbio.h | ||
21 | unifdef-y += perfctr.h | ||
diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h index 2c71ec4a3b18..f5126826ba34 100644 --- a/include/asm-sparc64/atomic.h +++ b/include/asm-sparc64/atomic.h | |||
@@ -1,128 +1 @@ | |||
1 | /* atomic.h: Thankfully the V9 is at least reasonable for this | #include <asm-sparc/atomic.h> | |
2 | * stuff. | ||
3 | * | ||
4 | * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) | ||
5 | */ | ||
6 | |||
7 | #ifndef __ARCH_SPARC64_ATOMIC__ | ||
8 | #define __ARCH_SPARC64_ATOMIC__ | ||
9 | |||
10 | #include <linux/types.h> | ||
11 | #include <asm/system.h> | ||
12 | |||
13 | typedef struct { volatile int counter; } atomic_t; | ||
14 | typedef struct { volatile __s64 counter; } atomic64_t; | ||
15 | |||
16 | #define ATOMIC_INIT(i) { (i) } | ||
17 | #define ATOMIC64_INIT(i) { (i) } | ||
18 | |||
19 | #define atomic_read(v) ((v)->counter) | ||
20 | #define atomic64_read(v) ((v)->counter) | ||
21 | |||
22 | #define atomic_set(v, i) (((v)->counter) = i) | ||
23 | #define atomic64_set(v, i) (((v)->counter) = i) | ||
24 | |||
25 | extern void atomic_add(int, atomic_t *); | ||
26 | extern void atomic64_add(int, atomic64_t *); | ||
27 | extern void atomic_sub(int, atomic_t *); | ||
28 | extern void atomic64_sub(int, atomic64_t *); | ||
29 | |||
30 | extern int atomic_add_ret(int, atomic_t *); | ||
31 | extern int atomic64_add_ret(int, atomic64_t *); | ||
32 | extern int atomic_sub_ret(int, atomic_t *); | ||
33 | extern int atomic64_sub_ret(int, atomic64_t *); | ||
34 | |||
35 | #define atomic_dec_return(v) atomic_sub_ret(1, v) | ||
36 | #define atomic64_dec_return(v) atomic64_sub_ret(1, v) | ||
37 | |||
38 | #define atomic_inc_return(v) atomic_add_ret(1, v) | ||
39 | #define atomic64_inc_return(v) atomic64_add_ret(1, v) | ||
40 | |||
41 | #define atomic_sub_return(i, v) atomic_sub_ret(i, v) | ||
42 | #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v) | ||
43 | |||
44 | #define atomic_add_return(i, v) atomic_add_ret(i, v) | ||
45 | #define atomic64_add_return(i, v) atomic64_add_ret(i, v) | ||
46 | |||
47 | /* | ||
48 | * atomic_inc_and_test - increment and test | ||
49 | * @v: pointer of type atomic_t | ||
50 | * | ||
51 | * Atomically increments @v by 1 | ||
52 | * and returns true if the result is zero, or false for all | ||
53 | * other cases. | ||
54 | */ | ||
55 | #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) | ||
56 | #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) | ||
57 | |||
58 | #define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0) | ||
59 | #define atomic64_sub_and_test(i, v) (atomic64_sub_ret(i, v) == 0) | ||
60 | |||
61 | #define atomic_dec_and_test(v) (atomic_sub_ret(1, v) == 0) | ||
62 | #define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0) | ||
63 | |||
64 | #define atomic_inc(v) atomic_add(1, v) | ||
65 | #define atomic64_inc(v) atomic64_add(1, v) | ||
66 | |||
67 | #define atomic_dec(v) atomic_sub(1, v) | ||
68 | #define atomic64_dec(v) atomic64_sub(1, v) | ||
69 | |||
70 | #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0) | ||
71 | #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0) | ||
72 | |||
73 | #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) | ||
74 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
75 | |||
76 | static inline int atomic_add_unless(atomic_t *v, int a, int u) | ||
77 | { | ||
78 | int c, old; | ||
79 | c = atomic_read(v); | ||
80 | for (;;) { | ||
81 | if (unlikely(c == (u))) | ||
82 | break; | ||
83 | old = atomic_cmpxchg((v), c, c + (a)); | ||
84 | if (likely(old == c)) | ||
85 | break; | ||
86 | c = old; | ||
87 | } | ||
88 | return c != (u); | ||
89 | } | ||
90 | |||
91 | #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) | ||
92 | |||
93 | #define atomic64_cmpxchg(v, o, n) \ | ||
94 | ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) | ||
95 | #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) | ||
96 | |||
97 | static inline int atomic64_add_unless(atomic64_t *v, long a, long u) | ||
98 | { | ||
99 | long c, old; | ||
100 | c = atomic64_read(v); | ||
101 | for (;;) { | ||
102 | if (unlikely(c == (u))) | ||
103 | break; | ||
104 | old = atomic64_cmpxchg((v), c, c + (a)); | ||
105 | if (likely(old == c)) | ||
106 | break; | ||
107 | c = old; | ||
108 | } | ||
109 | return c != (u); | ||
110 | } | ||
111 | |||
112 | #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) | ||
113 | |||
114 | /* Atomic operations are already serializing */ | ||
115 | #ifdef CONFIG_SMP | ||
116 | #define smp_mb__before_atomic_dec() membar_storeload_loadload(); | ||
117 | #define smp_mb__after_atomic_dec() membar_storeload_storestore(); | ||
118 | #define smp_mb__before_atomic_inc() membar_storeload_loadload(); | ||
119 | #define smp_mb__after_atomic_inc() membar_storeload_storestore(); | ||
120 | #else | ||
121 | #define smp_mb__before_atomic_dec() barrier() | ||
122 | #define smp_mb__after_atomic_dec() barrier() | ||
123 | #define smp_mb__before_atomic_inc() barrier() | ||
124 | #define smp_mb__after_atomic_inc() barrier() | ||
125 | #endif | ||
126 | |||
127 | #include <asm-generic/atomic.h> | ||
128 | #endif /* !(__ARCH_SPARC64_ATOMIC__) */ | ||
diff --git a/include/asm-sparc64/auxio.h b/include/asm-sparc64/auxio.h index c4100494c7a5..46c9042f30b4 100644 --- a/include/asm-sparc64/auxio.h +++ b/include/asm-sparc64/auxio.h | |||
@@ -1,100 +1 @@ | |||
1 | /* | #include <asm-sparc/auxio.h> | |
2 | * auxio.h: Definitions and code for the Auxiliary I/O registers. | ||
3 | * | ||
4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * | ||
6 | * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net) | ||
7 | */ | ||
8 | #ifndef _SPARC64_AUXIO_H | ||
9 | #define _SPARC64_AUXIO_H | ||
10 | |||
11 | /* AUXIO implementations: | ||
12 | * sbus-based NCR89C105 "Slavio" | ||
13 | * LED/Floppy (AUX1) register | ||
14 | * Power (AUX2) register | ||
15 | * | ||
16 | * ebus-based auxio on PCIO | ||
17 | * LED Auxio Register | ||
18 | * Power Auxio Register | ||
19 | * | ||
20 | * Register definitions from NCR _NCR89C105 Chip Specification_ | ||
21 | * | ||
22 | * SLAVIO AUX1 @ 0x1900000 | ||
23 | * ------------------------------------------------- | ||
24 | * | (R) | (R) | D | (R) | E | M | T | L | | ||
25 | * ------------------------------------------------- | ||
26 | * (R) - bit 7:6,4 are reserved and should be masked in s/w | ||
27 | * D - Floppy Density Sense (1=high density) R/O | ||
28 | * E - Link Test Enable, directly reflected on AT&T 7213 LTE pin | ||
29 | * M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin | ||
30 | * T - Terminal Count: sends TC pulse to 82077 floppy controller | ||
31 | * L - System LED on front panel (0=off, 1=on) | ||
32 | */ | ||
33 | #define AUXIO_AUX1_MASK 0xc0 /* Mask bits */ | ||
34 | #define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */ | ||
35 | #define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */ | ||
36 | #define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */ | ||
37 | #define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */ | ||
38 | #define AUXIO_AUX1_LED 0x01 /* System LED */ | ||
39 | |||
40 | /* SLAVIO AUX2 @ 0x1910000 | ||
41 | * ------------------------------------------------- | ||
42 | * | (R) | (R) | D | (R) | (R) | (R) | C | F | | ||
43 | * ------------------------------------------------- | ||
44 | * (R) - bits 7:6,4:2 are reserved and should be masked in s/w | ||
45 | * D - Power Failure Detect (1=power fail) | ||
46 | * C - Clear Power Failure Detect Int (1=clear) | ||
47 | * F - Power Off (1=power off) | ||
48 | */ | ||
49 | #define AUXIO_AUX2_MASK 0xdc /* Mask Bits */ | ||
50 | #define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */ | ||
51 | #define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */ | ||
52 | #define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */ | ||
53 | |||
54 | /* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837 | ||
55 | * | ||
56 | * PCIO LED Auxio @ 0x726000 | ||
57 | * ------------------------------------------------- | ||
58 | * | 31:1 Unused | LED | | ||
59 | * ------------------------------------------------- | ||
60 | * Bits 31:1 unused | ||
61 | * LED - System LED on front panel (0=off, 1=on) | ||
62 | */ | ||
63 | #define AUXIO_PCIO_LED 0x01 /* System LED */ | ||
64 | |||
65 | /* PCIO Power Auxio @ 0x724000 | ||
66 | * ------------------------------------------------- | ||
67 | * | 31:2 Unused | CPO | SPO | | ||
68 | * ------------------------------------------------- | ||
69 | * Bits 31:2 unused | ||
70 | * CPO - Courtesy Power Off (1=off) | ||
71 | * SPO - System Power Off (1=off) | ||
72 | */ | ||
73 | #define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */ | ||
74 | #define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */ | ||
75 | |||
76 | #ifndef __ASSEMBLY__ | ||
77 | |||
78 | extern void __iomem *auxio_register; | ||
79 | |||
80 | #define AUXIO_LTE_ON 1 | ||
81 | #define AUXIO_LTE_OFF 0 | ||
82 | |||
83 | /* auxio_set_lte - Set Link Test Enable (TPE Link Detect) | ||
84 | * | ||
85 | * on - AUXIO_LTE_ON or AUXIO_LTE_OFF | ||
86 | */ | ||
87 | extern void auxio_set_lte(int on); | ||
88 | |||
89 | #define AUXIO_LED_ON 1 | ||
90 | #define AUXIO_LED_OFF 0 | ||
91 | |||
92 | /* auxio_set_led - Set system front panel LED | ||
93 | * | ||
94 | * on - AUXIO_LED_ON or AUXIO_LED_OFF | ||
95 | */ | ||
96 | extern void auxio_set_led(int on); | ||
97 | |||
98 | #endif /* ifndef __ASSEMBLY__ */ | ||
99 | |||
100 | #endif /* !(_SPARC64_AUXIO_H) */ | ||
diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h index bb87b8080220..204404355bdd 100644 --- a/include/asm-sparc64/bitops.h +++ b/include/asm-sparc64/bitops.h | |||
@@ -1,107 +1 @@ | |||
1 | /* | #include <asm-sparc/bitops.h> | |
2 | * bitops.h: Bit string operations on the V9. | ||
3 | * | ||
4 | * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_BITOPS_H | ||
8 | #define _SPARC64_BITOPS_H | ||
9 | |||
10 | #ifndef _LINUX_BITOPS_H | ||
11 | #error only <linux/bitops.h> can be included directly | ||
12 | #endif | ||
13 | |||
14 | #include <linux/compiler.h> | ||
15 | #include <asm/byteorder.h> | ||
16 | |||
17 | extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); | ||
18 | extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); | ||
19 | extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); | ||
20 | extern void set_bit(unsigned long nr, volatile unsigned long *addr); | ||
21 | extern void clear_bit(unsigned long nr, volatile unsigned long *addr); | ||
22 | extern void change_bit(unsigned long nr, volatile unsigned long *addr); | ||
23 | |||
24 | #include <asm-generic/bitops/non-atomic.h> | ||
25 | |||
26 | #ifdef CONFIG_SMP | ||
27 | #define smp_mb__before_clear_bit() membar_storeload_loadload() | ||
28 | #define smp_mb__after_clear_bit() membar_storeload_storestore() | ||
29 | #else | ||
30 | #define smp_mb__before_clear_bit() barrier() | ||
31 | #define smp_mb__after_clear_bit() barrier() | ||
32 | #endif | ||
33 | |||
34 | #include <asm-generic/bitops/ffz.h> | ||
35 | #include <asm-generic/bitops/__ffs.h> | ||
36 | #include <asm-generic/bitops/fls.h> | ||
37 | #include <asm-generic/bitops/__fls.h> | ||
38 | #include <asm-generic/bitops/fls64.h> | ||
39 | |||
40 | #ifdef __KERNEL__ | ||
41 | |||
42 | #include <asm-generic/bitops/sched.h> | ||
43 | #include <asm-generic/bitops/ffs.h> | ||
44 | |||
45 | /* | ||
46 | * hweightN: returns the hamming weight (i.e. the number | ||
47 | * of bits set) of a N-bit word | ||
48 | */ | ||
49 | |||
50 | #ifdef ULTRA_HAS_POPULATION_COUNT | ||
51 | |||
52 | static inline unsigned int hweight64(unsigned long w) | ||
53 | { | ||
54 | unsigned int res; | ||
55 | |||
56 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w)); | ||
57 | return res; | ||
58 | } | ||
59 | |||
60 | static inline unsigned int hweight32(unsigned int w) | ||
61 | { | ||
62 | unsigned int res; | ||
63 | |||
64 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff)); | ||
65 | return res; | ||
66 | } | ||
67 | |||
68 | static inline unsigned int hweight16(unsigned int w) | ||
69 | { | ||
70 | unsigned int res; | ||
71 | |||
72 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff)); | ||
73 | return res; | ||
74 | } | ||
75 | |||
76 | static inline unsigned int hweight8(unsigned int w) | ||
77 | { | ||
78 | unsigned int res; | ||
79 | |||
80 | __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xff)); | ||
81 | return res; | ||
82 | } | ||
83 | |||
84 | #else | ||
85 | |||
86 | #include <asm-generic/bitops/hweight.h> | ||
87 | |||
88 | #endif | ||
89 | #include <asm-generic/bitops/lock.h> | ||
90 | #endif /* __KERNEL__ */ | ||
91 | |||
92 | #include <asm-generic/bitops/find.h> | ||
93 | |||
94 | #ifdef __KERNEL__ | ||
95 | |||
96 | #include <asm-generic/bitops/ext2-non-atomic.h> | ||
97 | |||
98 | #define ext2_set_bit_atomic(lock,nr,addr) \ | ||
99 | test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr)) | ||
100 | #define ext2_clear_bit_atomic(lock,nr,addr) \ | ||
101 | test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr)) | ||
102 | |||
103 | #include <asm-generic/bitops/minix.h> | ||
104 | |||
105 | #endif /* __KERNEL__ */ | ||
106 | |||
107 | #endif /* defined(_SPARC64_BITOPS_H) */ | ||
diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h index 122e4058dd9e..cf5b6b3e8a55 100644 --- a/include/asm-sparc64/cacheflush.h +++ b/include/asm-sparc64/cacheflush.h | |||
@@ -1,76 +1 @@ | |||
1 | #ifndef _SPARC64_CACHEFLUSH_H | #include <asm-sparc/cacheflush.h> | |
2 | #define _SPARC64_CACHEFLUSH_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <linux/mm.h> | ||
9 | |||
10 | /* Cache flush operations. */ | ||
11 | |||
12 | /* These are the same regardless of whether this is an SMP kernel or not. */ | ||
13 | #define flush_cache_mm(__mm) \ | ||
14 | do { if ((__mm) == current->mm) flushw_user(); } while(0) | ||
15 | #define flush_cache_dup_mm(mm) flush_cache_mm(mm) | ||
16 | #define flush_cache_range(vma, start, end) \ | ||
17 | flush_cache_mm((vma)->vm_mm) | ||
18 | #define flush_cache_page(vma, page, pfn) \ | ||
19 | flush_cache_mm((vma)->vm_mm) | ||
20 | |||
21 | /* | ||
22 | * On spitfire, the icache doesn't snoop local stores and we don't | ||
23 | * use block commit stores (which invalidate icache lines) during | ||
24 | * module load, so we need this. | ||
25 | */ | ||
26 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
27 | extern void __flush_icache_page(unsigned long); | ||
28 | |||
29 | extern void __flush_dcache_page(void *addr, int flush_icache); | ||
30 | extern void flush_dcache_page_impl(struct page *page); | ||
31 | #ifdef CONFIG_SMP | ||
32 | extern void smp_flush_dcache_page_impl(struct page *page, int cpu); | ||
33 | extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page); | ||
34 | #else | ||
35 | #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page) | ||
36 | #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page) | ||
37 | #endif | ||
38 | |||
39 | extern void __flush_dcache_range(unsigned long start, unsigned long end); | ||
40 | extern void flush_dcache_page(struct page *page); | ||
41 | |||
42 | #define flush_icache_page(vma, pg) do { } while(0) | ||
43 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
44 | |||
45 | extern void flush_ptrace_access(struct vm_area_struct *, struct page *, | ||
46 | unsigned long uaddr, void *kaddr, | ||
47 | unsigned long len, int write); | ||
48 | |||
49 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
50 | do { \ | ||
51 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
52 | memcpy(dst, src, len); \ | ||
53 | flush_ptrace_access(vma, page, vaddr, src, len, 0); \ | ||
54 | } while (0) | ||
55 | |||
56 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
57 | do { \ | ||
58 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
59 | memcpy(dst, src, len); \ | ||
60 | flush_ptrace_access(vma, page, vaddr, dst, len, 1); \ | ||
61 | } while (0) | ||
62 | |||
63 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
64 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
65 | |||
66 | #define flush_cache_vmap(start, end) do { } while (0) | ||
67 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
68 | |||
69 | #ifdef CONFIG_DEBUG_PAGEALLOC | ||
70 | /* internal debugging function */ | ||
71 | void kernel_map_pages(struct page *page, int numpages, int enable); | ||
72 | #endif | ||
73 | |||
74 | #endif /* !__ASSEMBLY__ */ | ||
75 | |||
76 | #endif /* _SPARC64_CACHEFLUSH_H */ | ||
diff --git a/include/asm-sparc64/checksum.h b/include/asm-sparc64/checksum.h index b290564c8ce0..c3966c5e29d8 100644 --- a/include/asm-sparc64/checksum.h +++ b/include/asm-sparc64/checksum.h | |||
@@ -1,167 +1 @@ | |||
1 | #ifndef __SPARC64_CHECKSUM_H | #include <asm-sparc/checksum.h> | |
2 | #define __SPARC64_CHECKSUM_H | ||
3 | |||
4 | /* checksum.h: IP/UDP/TCP checksum routines on the V9. | ||
5 | * | ||
6 | * Copyright(C) 1995 Linus Torvalds | ||
7 | * Copyright(C) 1995 Miguel de Icaza | ||
8 | * Copyright(C) 1996 David S. Miller | ||
9 | * Copyright(C) 1996 Eddie C. Dost | ||
10 | * Copyright(C) 1997 Jakub Jelinek | ||
11 | * | ||
12 | * derived from: | ||
13 | * Alpha checksum c-code | ||
14 | * ix86 inline assembly | ||
15 | * RFC1071 Computing the Internet Checksum | ||
16 | */ | ||
17 | |||
18 | #include <linux/in6.h> | ||
19 | #include <asm/uaccess.h> | ||
20 | |||
21 | /* computes the checksum of a memory block at buff, length len, | ||
22 | * and adds in "sum" (32-bit) | ||
23 | * | ||
24 | * returns a 32-bit number suitable for feeding into itself | ||
25 | * or csum_tcpudp_magic | ||
26 | * | ||
27 | * this function must be called with even lengths, except | ||
28 | * for the last fragment, which may be odd | ||
29 | * | ||
30 | * it's best to have buff aligned on a 32-bit boundary | ||
31 | */ | ||
32 | extern __wsum csum_partial(const void * buff, int len, __wsum sum); | ||
33 | |||
34 | /* the same as csum_partial, but copies from user space while it | ||
35 | * checksums | ||
36 | * | ||
37 | * here even more important to align src and dst on a 32-bit (or even | ||
38 | * better 64-bit) boundary | ||
39 | */ | ||
40 | extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, | ||
41 | int len, __wsum sum); | ||
42 | |||
43 | extern long __csum_partial_copy_from_user(const void __user *src, | ||
44 | void *dst, int len, | ||
45 | __wsum sum); | ||
46 | |||
47 | static inline __wsum | ||
48 | csum_partial_copy_from_user(const void __user *src, | ||
49 | void *dst, int len, | ||
50 | __wsum sum, int *err) | ||
51 | { | ||
52 | long ret = __csum_partial_copy_from_user(src, dst, len, sum); | ||
53 | if (ret < 0) | ||
54 | *err = -EFAULT; | ||
55 | return (__force __wsum) ret; | ||
56 | } | ||
57 | |||
58 | /* | ||
59 | * Copy and checksum to user | ||
60 | */ | ||
61 | #define HAVE_CSUM_COPY_USER | ||
62 | extern long __csum_partial_copy_to_user(const void *src, | ||
63 | void __user *dst, int len, | ||
64 | __wsum sum); | ||
65 | |||
66 | static inline __wsum | ||
67 | csum_and_copy_to_user(const void *src, | ||
68 | void __user *dst, int len, | ||
69 | __wsum sum, int *err) | ||
70 | { | ||
71 | long ret = __csum_partial_copy_to_user(src, dst, len, sum); | ||
72 | if (ret < 0) | ||
73 | *err = -EFAULT; | ||
74 | return (__force __wsum) ret; | ||
75 | } | ||
76 | |||
77 | /* ihl is always 5 or greater, almost always is 5, and iph is word aligned | ||
78 | * the majority of the time. | ||
79 | */ | ||
80 | extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); | ||
81 | |||
82 | /* Fold a partial checksum without adding pseudo headers. */ | ||
83 | static inline __sum16 csum_fold(__wsum sum) | ||
84 | { | ||
85 | unsigned int tmp; | ||
86 | |||
87 | __asm__ __volatile__( | ||
88 | " addcc %0, %1, %1\n" | ||
89 | " srl %1, 16, %1\n" | ||
90 | " addc %1, %%g0, %1\n" | ||
91 | " xnor %%g0, %1, %0\n" | ||
92 | : "=&r" (sum), "=r" (tmp) | ||
93 | : "0" (sum), "1" ((__force u32)sum<<16) | ||
94 | : "cc"); | ||
95 | return (__force __sum16)sum; | ||
96 | } | ||
97 | |||
98 | static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, | ||
99 | unsigned int len, | ||
100 | unsigned short proto, | ||
101 | __wsum sum) | ||
102 | { | ||
103 | __asm__ __volatile__( | ||
104 | " addcc %1, %0, %0\n" | ||
105 | " addccc %2, %0, %0\n" | ||
106 | " addccc %3, %0, %0\n" | ||
107 | " addc %0, %%g0, %0\n" | ||
108 | : "=r" (sum), "=r" (saddr) | ||
109 | : "r" (daddr), "r" (proto + len), "0" (sum), "1" (saddr) | ||
110 | : "cc"); | ||
111 | return sum; | ||
112 | } | ||
113 | |||
114 | /* | ||
115 | * computes the checksum of the TCP/UDP pseudo-header | ||
116 | * returns a 16-bit checksum, already complemented | ||
117 | */ | ||
118 | static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, | ||
119 | unsigned short len, | ||
120 | unsigned short proto, | ||
121 | __wsum sum) | ||
122 | { | ||
123 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | ||
124 | } | ||
125 | |||
126 | #define _HAVE_ARCH_IPV6_CSUM | ||
127 | |||
128 | static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, | ||
129 | const struct in6_addr *daddr, | ||
130 | __u32 len, unsigned short proto, | ||
131 | __wsum sum) | ||
132 | { | ||
133 | __asm__ __volatile__ ( | ||
134 | " addcc %3, %4, %%g7\n" | ||
135 | " addccc %5, %%g7, %%g7\n" | ||
136 | " lduw [%2 + 0x0c], %%g2\n" | ||
137 | " lduw [%2 + 0x08], %%g3\n" | ||
138 | " addccc %%g2, %%g7, %%g7\n" | ||
139 | " lduw [%2 + 0x04], %%g2\n" | ||
140 | " addccc %%g3, %%g7, %%g7\n" | ||
141 | " lduw [%2 + 0x00], %%g3\n" | ||
142 | " addccc %%g2, %%g7, %%g7\n" | ||
143 | " lduw [%1 + 0x0c], %%g2\n" | ||
144 | " addccc %%g3, %%g7, %%g7\n" | ||
145 | " lduw [%1 + 0x08], %%g3\n" | ||
146 | " addccc %%g2, %%g7, %%g7\n" | ||
147 | " lduw [%1 + 0x04], %%g2\n" | ||
148 | " addccc %%g3, %%g7, %%g7\n" | ||
149 | " lduw [%1 + 0x00], %%g3\n" | ||
150 | " addccc %%g2, %%g7, %%g7\n" | ||
151 | " addccc %%g3, %%g7, %0\n" | ||
152 | " addc 0, %0, %0\n" | ||
153 | : "=&r" (sum) | ||
154 | : "r" (saddr), "r" (daddr), "r"(htonl(len)), | ||
155 | "r"(htonl(proto)), "r"(sum) | ||
156 | : "g2", "g3", "g7", "cc"); | ||
157 | |||
158 | return csum_fold(sum); | ||
159 | } | ||
160 | |||
161 | /* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */ | ||
162 | static inline __sum16 ip_compute_csum(const void *buff, int len) | ||
163 | { | ||
164 | return csum_fold(csum_partial(buff, len, 0)); | ||
165 | } | ||
166 | |||
167 | #endif /* !(__SPARC64_CHECKSUM_H) */ | ||
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h index 532975ecfe10..3220e134a579 100644 --- a/include/asm-sparc64/cpudata.h +++ b/include/asm-sparc64/cpudata.h | |||
@@ -1,240 +1 @@ | |||
1 | /* cpudata.h: Per-cpu parameters. | #include <asm-sparc/cpudata.h> | |
2 | * | ||
3 | * Copyright (C) 2003, 2005, 2006 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_CPUDATA_H | ||
7 | #define _SPARC64_CPUDATA_H | ||
8 | |||
9 | #include <asm/hypervisor.h> | ||
10 | #include <asm/asi.h> | ||
11 | |||
12 | #ifndef __ASSEMBLY__ | ||
13 | |||
14 | #include <linux/percpu.h> | ||
15 | #include <linux/threads.h> | ||
16 | |||
17 | typedef struct { | ||
18 | /* Dcache line 1 */ | ||
19 | unsigned int __softirq_pending; /* must be 1st, see rtrap.S */ | ||
20 | unsigned int __pad0; | ||
21 | unsigned long clock_tick; /* %tick's per second */ | ||
22 | unsigned long __pad; | ||
23 | unsigned int __pad1; | ||
24 | unsigned int __pad2; | ||
25 | |||
26 | /* Dcache line 2, rarely used */ | ||
27 | unsigned int dcache_size; | ||
28 | unsigned int dcache_line_size; | ||
29 | unsigned int icache_size; | ||
30 | unsigned int icache_line_size; | ||
31 | unsigned int ecache_size; | ||
32 | unsigned int ecache_line_size; | ||
33 | int core_id; | ||
34 | int proc_id; | ||
35 | } cpuinfo_sparc; | ||
36 | |||
37 | DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); | ||
38 | #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) | ||
39 | #define local_cpu_data() __get_cpu_var(__cpu_data) | ||
40 | |||
41 | /* Trap handling code needs to get at a few critical values upon | ||
42 | * trap entry and to process TSB misses. These cannot be in the | ||
43 | * per_cpu() area as we really need to lock them into the TLB and | ||
44 | * thus make them part of the main kernel image. As a result we | ||
45 | * try to make this as small as possible. | ||
46 | * | ||
47 | * This is padded out and aligned to 64-bytes to avoid false sharing | ||
48 | * on SMP. | ||
49 | */ | ||
50 | |||
51 | /* If you modify the size of this structure, please update | ||
52 | * TRAP_BLOCK_SZ_SHIFT below. | ||
53 | */ | ||
54 | struct thread_info; | ||
55 | struct trap_per_cpu { | ||
56 | /* D-cache line 1: Basic thread information, cpu and device mondo queues */ | ||
57 | struct thread_info *thread; | ||
58 | unsigned long pgd_paddr; | ||
59 | unsigned long cpu_mondo_pa; | ||
60 | unsigned long dev_mondo_pa; | ||
61 | |||
62 | /* D-cache line 2: Error Mondo Queue and kernel buffer pointers */ | ||
63 | unsigned long resum_mondo_pa; | ||
64 | unsigned long resum_kernel_buf_pa; | ||
65 | unsigned long nonresum_mondo_pa; | ||
66 | unsigned long nonresum_kernel_buf_pa; | ||
67 | |||
68 | /* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */ | ||
69 | struct hv_fault_status fault_info; | ||
70 | |||
71 | /* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */ | ||
72 | unsigned long cpu_mondo_block_pa; | ||
73 | unsigned long cpu_list_pa; | ||
74 | unsigned long tsb_huge; | ||
75 | unsigned long tsb_huge_temp; | ||
76 | |||
77 | /* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */ | ||
78 | unsigned long irq_worklist_pa; | ||
79 | unsigned int cpu_mondo_qmask; | ||
80 | unsigned int dev_mondo_qmask; | ||
81 | unsigned int resum_qmask; | ||
82 | unsigned int nonresum_qmask; | ||
83 | void *hdesc; | ||
84 | } __attribute__((aligned(64))); | ||
85 | extern struct trap_per_cpu trap_block[NR_CPUS]; | ||
86 | extern void init_cur_cpu_trap(struct thread_info *); | ||
87 | extern void setup_tba(void); | ||
88 | extern int ncpus_probed; | ||
89 | extern void __init cpu_probe(void); | ||
90 | extern const struct seq_operations cpuinfo_op; | ||
91 | |||
92 | extern unsigned long real_hard_smp_processor_id(void); | ||
93 | |||
94 | struct cpuid_patch_entry { | ||
95 | unsigned int addr; | ||
96 | unsigned int cheetah_safari[4]; | ||
97 | unsigned int cheetah_jbus[4]; | ||
98 | unsigned int starfire[4]; | ||
99 | unsigned int sun4v[4]; | ||
100 | }; | ||
101 | extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end; | ||
102 | |||
103 | struct sun4v_1insn_patch_entry { | ||
104 | unsigned int addr; | ||
105 | unsigned int insn; | ||
106 | }; | ||
107 | extern struct sun4v_1insn_patch_entry __sun4v_1insn_patch, | ||
108 | __sun4v_1insn_patch_end; | ||
109 | |||
110 | struct sun4v_2insn_patch_entry { | ||
111 | unsigned int addr; | ||
112 | unsigned int insns[2]; | ||
113 | }; | ||
114 | extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, | ||
115 | __sun4v_2insn_patch_end; | ||
116 | |||
117 | #endif /* !(__ASSEMBLY__) */ | ||
118 | |||
119 | #define TRAP_PER_CPU_THREAD 0x00 | ||
120 | #define TRAP_PER_CPU_PGD_PADDR 0x08 | ||
121 | #define TRAP_PER_CPU_CPU_MONDO_PA 0x10 | ||
122 | #define TRAP_PER_CPU_DEV_MONDO_PA 0x18 | ||
123 | #define TRAP_PER_CPU_RESUM_MONDO_PA 0x20 | ||
124 | #define TRAP_PER_CPU_RESUM_KBUF_PA 0x28 | ||
125 | #define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30 | ||
126 | #define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38 | ||
127 | #define TRAP_PER_CPU_FAULT_INFO 0x40 | ||
128 | #define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0 | ||
129 | #define TRAP_PER_CPU_CPU_LIST_PA 0xc8 | ||
130 | #define TRAP_PER_CPU_TSB_HUGE 0xd0 | ||
131 | #define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8 | ||
132 | #define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0 | ||
133 | #define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8 | ||
134 | #define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec | ||
135 | #define TRAP_PER_CPU_RESUM_QMASK 0xf0 | ||
136 | #define TRAP_PER_CPU_NONRESUM_QMASK 0xf4 | ||
137 | |||
138 | #define TRAP_BLOCK_SZ_SHIFT 8 | ||
139 | |||
140 | #include <asm/scratchpad.h> | ||
141 | |||
142 | #define __GET_CPUID(REG) \ | ||
143 | /* Spitfire implementation (default). */ \ | ||
144 | 661: ldxa [%g0] ASI_UPA_CONFIG, REG; \ | ||
145 | srlx REG, 17, REG; \ | ||
146 | and REG, 0x1f, REG; \ | ||
147 | nop; \ | ||
148 | .section .cpuid_patch, "ax"; \ | ||
149 | /* Instruction location. */ \ | ||
150 | .word 661b; \ | ||
151 | /* Cheetah Safari implementation. */ \ | ||
152 | ldxa [%g0] ASI_SAFARI_CONFIG, REG; \ | ||
153 | srlx REG, 17, REG; \ | ||
154 | and REG, 0x3ff, REG; \ | ||
155 | nop; \ | ||
156 | /* Cheetah JBUS implementation. */ \ | ||
157 | ldxa [%g0] ASI_JBUS_CONFIG, REG; \ | ||
158 | srlx REG, 17, REG; \ | ||
159 | and REG, 0x1f, REG; \ | ||
160 | nop; \ | ||
161 | /* Starfire implementation. */ \ | ||
162 | sethi %hi(0x1fff40000d0 >> 9), REG; \ | ||
163 | sllx REG, 9, REG; \ | ||
164 | or REG, 0xd0, REG; \ | ||
165 | lduwa [REG] ASI_PHYS_BYPASS_EC_E, REG;\ | ||
166 | /* sun4v implementation. */ \ | ||
167 | mov SCRATCHPAD_CPUID, REG; \ | ||
168 | ldxa [REG] ASI_SCRATCHPAD, REG; \ | ||
169 | nop; \ | ||
170 | nop; \ | ||
171 | .previous; | ||
172 | |||
173 | #ifdef CONFIG_SMP | ||
174 | |||
175 | #define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
176 | __GET_CPUID(TMP) \ | ||
177 | sethi %hi(trap_block), DEST; \ | ||
178 | sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \ | ||
179 | or DEST, %lo(trap_block), DEST; \ | ||
180 | add DEST, TMP, DEST; \ | ||
181 | |||
182 | /* Clobbers TMP, current address space PGD phys address into DEST. */ | ||
183 | #define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ | ||
184 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
185 | ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; | ||
186 | |||
187 | /* Clobbers TMP, loads local processor's IRQ work area into DEST. */ | ||
188 | #define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ | ||
189 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
190 | add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; | ||
191 | |||
192 | /* Clobbers TMP, loads DEST with current thread info pointer. */ | ||
193 | #define TRAP_LOAD_THREAD_REG(DEST, TMP) \ | ||
194 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
195 | ldx [DEST + TRAP_PER_CPU_THREAD], DEST; | ||
196 | |||
197 | /* Given the current thread info pointer in THR, load the per-cpu | ||
198 | * area base of the current processor into DEST. REG1, REG2, and REG3 are | ||
199 | * clobbered. | ||
200 | * | ||
201 | * You absolutely cannot use DEST as a temporary in this code. The | ||
202 | * reason is that traps can happen during execution, and return from | ||
203 | * trap will load the fully resolved DEST per-cpu base. This can corrupt | ||
204 | * the calculations done by the macro mid-stream. | ||
205 | */ | ||
206 | #define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \ | ||
207 | lduh [THR + TI_CPU], REG1; \ | ||
208 | sethi %hi(__per_cpu_shift), REG3; \ | ||
209 | sethi %hi(__per_cpu_base), REG2; \ | ||
210 | ldx [REG3 + %lo(__per_cpu_shift)], REG3; \ | ||
211 | ldx [REG2 + %lo(__per_cpu_base)], REG2; \ | ||
212 | sllx REG1, REG3, REG3; \ | ||
213 | add REG3, REG2, DEST; | ||
214 | |||
215 | #else | ||
216 | |||
217 | #define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
218 | sethi %hi(trap_block), DEST; \ | ||
219 | or DEST, %lo(trap_block), DEST; \ | ||
220 | |||
221 | /* Uniprocessor versions, we know the cpuid is zero. */ | ||
222 | #define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ | ||
223 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
224 | ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; | ||
225 | |||
226 | /* Clobbers TMP, loads local processor's IRQ work area into DEST. */ | ||
227 | #define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ | ||
228 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
229 | add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; | ||
230 | |||
231 | #define TRAP_LOAD_THREAD_REG(DEST, TMP) \ | ||
232 | TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ | ||
233 | ldx [DEST + TRAP_PER_CPU_THREAD], DEST; | ||
234 | |||
235 | /* No per-cpu areas on uniprocessor, so no need to load DEST. */ | ||
236 | #define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) | ||
237 | |||
238 | #endif /* !(CONFIG_SMP) */ | ||
239 | |||
240 | #endif /* _SPARC64_CPUDATA_H */ | ||
diff --git a/include/asm-sparc64/delay.h b/include/asm-sparc64/delay.h index a77aa622d762..33dc5589d841 100644 --- a/include/asm-sparc64/delay.h +++ b/include/asm-sparc64/delay.h | |||
@@ -1,17 +1 @@ | |||
1 | /* delay.h: Linux delay routines on sparc64. | #include <asm-sparc/delay.h> | |
2 | * | ||
3 | * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net). | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_DELAY_H | ||
7 | #define _SPARC64_DELAY_H | ||
8 | |||
9 | #ifndef __ASSEMBLY__ | ||
10 | |||
11 | extern void __delay(unsigned long loops); | ||
12 | extern void udelay(unsigned long usecs); | ||
13 | #define mdelay(n) udelay((n) * 1000) | ||
14 | |||
15 | #endif /* !__ASSEMBLY__ */ | ||
16 | |||
17 | #endif /* _SPARC64_DELAY_H */ | ||
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h index 38cbec76a33f..380b7b63147f 100644 --- a/include/asm-sparc64/dma-mapping.h +++ b/include/asm-sparc64/dma-mapping.h | |||
@@ -1,154 +1 @@ | |||
1 | #ifndef _ASM_SPARC64_DMA_MAPPING_H | #include <asm-sparc/dma-mapping.h> | |
2 | #define _ASM_SPARC64_DMA_MAPPING_H | ||
3 | |||
4 | #include <linux/scatterlist.h> | ||
5 | #include <linux/mm.h> | ||
6 | |||
7 | #define DMA_ERROR_CODE (~(dma_addr_t)0x0) | ||
8 | |||
9 | struct dma_ops { | ||
10 | void *(*alloc_coherent)(struct device *dev, size_t size, | ||
11 | dma_addr_t *dma_handle, gfp_t flag); | ||
12 | void (*free_coherent)(struct device *dev, size_t size, | ||
13 | void *cpu_addr, dma_addr_t dma_handle); | ||
14 | dma_addr_t (*map_single)(struct device *dev, void *cpu_addr, | ||
15 | size_t size, | ||
16 | enum dma_data_direction direction); | ||
17 | void (*unmap_single)(struct device *dev, dma_addr_t dma_addr, | ||
18 | size_t size, | ||
19 | enum dma_data_direction direction); | ||
20 | int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, | ||
21 | enum dma_data_direction direction); | ||
22 | void (*unmap_sg)(struct device *dev, struct scatterlist *sg, | ||
23 | int nhwentries, | ||
24 | enum dma_data_direction direction); | ||
25 | void (*sync_single_for_cpu)(struct device *dev, | ||
26 | dma_addr_t dma_handle, size_t size, | ||
27 | enum dma_data_direction direction); | ||
28 | void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg, | ||
29 | int nelems, | ||
30 | enum dma_data_direction direction); | ||
31 | }; | ||
32 | extern const struct dma_ops *dma_ops; | ||
33 | |||
34 | extern int dma_supported(struct device *dev, u64 mask); | ||
35 | extern int dma_set_mask(struct device *dev, u64 dma_mask); | ||
36 | |||
37 | static inline void *dma_alloc_coherent(struct device *dev, size_t size, | ||
38 | dma_addr_t *dma_handle, gfp_t flag) | ||
39 | { | ||
40 | return dma_ops->alloc_coherent(dev, size, dma_handle, flag); | ||
41 | } | ||
42 | |||
43 | static inline void dma_free_coherent(struct device *dev, size_t size, | ||
44 | void *cpu_addr, dma_addr_t dma_handle) | ||
45 | { | ||
46 | dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); | ||
47 | } | ||
48 | |||
49 | static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, | ||
50 | size_t size, | ||
51 | enum dma_data_direction direction) | ||
52 | { | ||
53 | return dma_ops->map_single(dev, cpu_addr, size, direction); | ||
54 | } | ||
55 | |||
56 | static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, | ||
57 | size_t size, | ||
58 | enum dma_data_direction direction) | ||
59 | { | ||
60 | dma_ops->unmap_single(dev, dma_addr, size, direction); | ||
61 | } | ||
62 | |||
63 | static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, | ||
64 | unsigned long offset, size_t size, | ||
65 | enum dma_data_direction direction) | ||
66 | { | ||
67 | return dma_ops->map_single(dev, page_address(page) + offset, | ||
68 | size, direction); | ||
69 | } | ||
70 | |||
71 | static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, | ||
72 | size_t size, | ||
73 | enum dma_data_direction direction) | ||
74 | { | ||
75 | dma_ops->unmap_single(dev, dma_address, size, direction); | ||
76 | } | ||
77 | |||
78 | static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, | ||
79 | int nents, enum dma_data_direction direction) | ||
80 | { | ||
81 | return dma_ops->map_sg(dev, sg, nents, direction); | ||
82 | } | ||
83 | |||
84 | static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, | ||
85 | int nents, enum dma_data_direction direction) | ||
86 | { | ||
87 | dma_ops->unmap_sg(dev, sg, nents, direction); | ||
88 | } | ||
89 | |||
90 | static inline void dma_sync_single_for_cpu(struct device *dev, | ||
91 | dma_addr_t dma_handle, size_t size, | ||
92 | enum dma_data_direction direction) | ||
93 | { | ||
94 | dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction); | ||
95 | } | ||
96 | |||
97 | static inline void dma_sync_single_for_device(struct device *dev, | ||
98 | dma_addr_t dma_handle, | ||
99 | size_t size, | ||
100 | enum dma_data_direction direction) | ||
101 | { | ||
102 | /* No flushing needed to sync cpu writes to the device. */ | ||
103 | } | ||
104 | |||
105 | static inline void dma_sync_single_range_for_cpu(struct device *dev, | ||
106 | dma_addr_t dma_handle, | ||
107 | unsigned long offset, | ||
108 | size_t size, | ||
109 | enum dma_data_direction direction) | ||
110 | { | ||
111 | dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); | ||
112 | } | ||
113 | |||
114 | static inline void dma_sync_single_range_for_device(struct device *dev, | ||
115 | dma_addr_t dma_handle, | ||
116 | unsigned long offset, | ||
117 | size_t size, | ||
118 | enum dma_data_direction direction) | ||
119 | { | ||
120 | /* No flushing needed to sync cpu writes to the device. */ | ||
121 | } | ||
122 | |||
123 | |||
124 | static inline void dma_sync_sg_for_cpu(struct device *dev, | ||
125 | struct scatterlist *sg, int nelems, | ||
126 | enum dma_data_direction direction) | ||
127 | { | ||
128 | dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction); | ||
129 | } | ||
130 | |||
131 | static inline void dma_sync_sg_for_device(struct device *dev, | ||
132 | struct scatterlist *sg, int nelems, | ||
133 | enum dma_data_direction direction) | ||
134 | { | ||
135 | /* No flushing needed to sync cpu writes to the device. */ | ||
136 | } | ||
137 | |||
138 | static inline int dma_mapping_error(dma_addr_t dma_addr) | ||
139 | { | ||
140 | return (dma_addr == DMA_ERROR_CODE); | ||
141 | } | ||
142 | |||
143 | static inline int dma_get_cache_alignment(void) | ||
144 | { | ||
145 | /* no easy way to get cache size on all processors, so return | ||
146 | * the maximum possible, to be safe */ | ||
147 | return (1 << INTERNODE_CACHE_SHIFT); | ||
148 | } | ||
149 | |||
150 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) | ||
151 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) | ||
152 | #define dma_is_consistent(d, h) (1) | ||
153 | |||
154 | #endif /* _ASM_SPARC64_DMA_MAPPING_H */ | ||
diff --git a/include/asm-sparc64/dma.h b/include/asm-sparc64/dma.h index 9d4c024bd3b3..2e36248e6b59 100644 --- a/include/asm-sparc64/dma.h +++ b/include/asm-sparc64/dma.h | |||
@@ -1,205 +1 @@ | |||
1 | /* | #include <asm-sparc/dma.h> | |
2 | * include/asm-sparc64/dma.h | ||
3 | * | ||
4 | * Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _ASM_SPARC64_DMA_H | ||
8 | #define _ASM_SPARC64_DMA_H | ||
9 | |||
10 | #include <linux/kernel.h> | ||
11 | #include <linux/types.h> | ||
12 | #include <linux/spinlock.h> | ||
13 | |||
14 | #include <asm/sbus.h> | ||
15 | #include <asm/delay.h> | ||
16 | #include <asm/oplib.h> | ||
17 | |||
18 | /* These are irrelevant for Sparc DMA, but we leave it in so that | ||
19 | * things can compile. | ||
20 | */ | ||
21 | #define MAX_DMA_CHANNELS 8 | ||
22 | #define DMA_MODE_READ 1 | ||
23 | #define DMA_MODE_WRITE 2 | ||
24 | #define MAX_DMA_ADDRESS (~0UL) | ||
25 | |||
26 | /* Useful constants */ | ||
27 | #define SIZE_16MB (16*1024*1024) | ||
28 | #define SIZE_64K (64*1024) | ||
29 | |||
30 | /* SBUS DMA controller reg offsets */ | ||
31 | #define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ | ||
32 | #define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ | ||
33 | #define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ | ||
34 | #define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ | ||
35 | |||
36 | /* DVMA chip revisions */ | ||
37 | enum dvma_rev { | ||
38 | dvmarev0, | ||
39 | dvmaesc1, | ||
40 | dvmarev1, | ||
41 | dvmarev2, | ||
42 | dvmarev3, | ||
43 | dvmarevplus, | ||
44 | dvmahme | ||
45 | }; | ||
46 | |||
47 | #define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) | ||
48 | |||
49 | /* Linux DMA information structure, filled during probe. */ | ||
50 | struct sbus_dma { | ||
51 | struct sbus_dma *next; | ||
52 | struct sbus_dev *sdev; | ||
53 | void __iomem *regs; | ||
54 | |||
55 | /* Status, misc info */ | ||
56 | int node; /* Prom node for this DMA device */ | ||
57 | int running; /* Are we doing DMA now? */ | ||
58 | int allocated; /* Are we "owned" by anyone yet? */ | ||
59 | |||
60 | /* Transfer information. */ | ||
61 | u32 addr; /* Start address of current transfer */ | ||
62 | int nbytes; /* Size of current transfer */ | ||
63 | int realbytes; /* For splitting up large transfers, etc. */ | ||
64 | |||
65 | /* DMA revision */ | ||
66 | enum dvma_rev revision; | ||
67 | }; | ||
68 | |||
69 | extern struct sbus_dma *dma_chain; | ||
70 | |||
71 | /* Broken hardware... */ | ||
72 | #define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) | ||
73 | #define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) | ||
74 | |||
75 | /* Main routines in dma.c */ | ||
76 | extern void dvma_init(struct sbus_bus *); | ||
77 | |||
78 | /* Fields in the cond_reg register */ | ||
79 | /* First, the version identification bits */ | ||
80 | #define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ | ||
81 | #define DMA_VERS0 0x00000000 /* Sunray DMA version */ | ||
82 | #define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ | ||
83 | #define DMA_VERS1 0x80000000 /* DMA rev 1 */ | ||
84 | #define DMA_VERS2 0xa0000000 /* DMA rev 2 */ | ||
85 | #define DMA_VERHME 0xb0000000 /* DMA hme gate array */ | ||
86 | #define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ | ||
87 | |||
88 | #define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ | ||
89 | #define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ | ||
90 | #define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ | ||
91 | #define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ | ||
92 | #define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ | ||
93 | #define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ | ||
94 | #define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ | ||
95 | #define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ | ||
96 | #define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ | ||
97 | #define DMA_ST_WRITE 0x00000100 /* write from device to memory */ | ||
98 | #define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ | ||
99 | #define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ | ||
100 | #define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ | ||
101 | #define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ | ||
102 | #define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ | ||
103 | #define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ | ||
104 | #define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ | ||
105 | #define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ | ||
106 | #define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ | ||
107 | #define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ | ||
108 | #define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ | ||
109 | #define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ | ||
110 | #define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ | ||
111 | #define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ | ||
112 | #define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ | ||
113 | #define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ | ||
114 | #define DMA_BRST64 0x000c0000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ | ||
115 | #define DMA_BRST32 0x00040000 /* SCSI: 32byte bursts */ | ||
116 | #define DMA_BRST16 0x00000000 /* SCSI: 16byte bursts */ | ||
117 | #define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ | ||
118 | #define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ | ||
119 | #define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ | ||
120 | #define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ | ||
121 | #define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ | ||
122 | #define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ | ||
123 | #define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ | ||
124 | #define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ | ||
125 | #define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ | ||
126 | #define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ | ||
127 | #define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ | ||
128 | #define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ | ||
129 | |||
130 | /* Values describing the burst-size property from the PROM */ | ||
131 | #define DMA_BURST1 0x01 | ||
132 | #define DMA_BURST2 0x02 | ||
133 | #define DMA_BURST4 0x04 | ||
134 | #define DMA_BURST8 0x08 | ||
135 | #define DMA_BURST16 0x10 | ||
136 | #define DMA_BURST32 0x20 | ||
137 | #define DMA_BURST64 0x40 | ||
138 | #define DMA_BURSTBITS 0x7f | ||
139 | |||
140 | /* Determine highest possible final transfer address given a base */ | ||
141 | #define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) | ||
142 | |||
143 | /* Yes, I hack a lot of elisp in my spare time... */ | ||
144 | #define DMA_ERROR_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR)) | ||
145 | #define DMA_IRQ_P(regs) ((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)) | ||
146 | #define DMA_WRITE_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE)) | ||
147 | #define DMA_OFF(__regs) \ | ||
148 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
149 | tmp &= ~DMA_ENABLE; \ | ||
150 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
151 | } while(0) | ||
152 | #define DMA_INTSOFF(__regs) \ | ||
153 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
154 | tmp &= ~DMA_INT_ENAB; \ | ||
155 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
156 | } while(0) | ||
157 | #define DMA_INTSON(__regs) \ | ||
158 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
159 | tmp |= DMA_INT_ENAB; \ | ||
160 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
161 | } while(0) | ||
162 | #define DMA_PUNTFIFO(__regs) \ | ||
163 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
164 | tmp |= DMA_FIFO_INV; \ | ||
165 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
166 | } while(0) | ||
167 | #define DMA_SETSTART(__regs, __addr) \ | ||
168 | sbus_writel((u32)(__addr), (__regs) + DMA_ADDR); | ||
169 | #define DMA_BEGINDMA_W(__regs) \ | ||
170 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
171 | tmp |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB); \ | ||
172 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
173 | } while(0) | ||
174 | #define DMA_BEGINDMA_R(__regs) \ | ||
175 | do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ | ||
176 | tmp |= (DMA_ENABLE|DMA_INT_ENAB); \ | ||
177 | tmp &= ~DMA_ST_WRITE; \ | ||
178 | sbus_writel(tmp, (__regs) + DMA_CSR); \ | ||
179 | } while(0) | ||
180 | |||
181 | /* For certain DMA chips, we need to disable ints upon irq entry | ||
182 | * and turn them back on when we are done. So in any ESP interrupt | ||
183 | * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT | ||
184 | * when leaving the handler. You have been warned... | ||
185 | */ | ||
186 | #define DMA_IRQ_ENTRY(dma, dregs) do { \ | ||
187 | if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ | ||
188 | } while (0) | ||
189 | |||
190 | #define DMA_IRQ_EXIT(dma, dregs) do { \ | ||
191 | if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ | ||
192 | } while(0) | ||
193 | |||
194 | #define for_each_dvma(dma) \ | ||
195 | for((dma) = dma_chain; (dma); (dma) = (dma)->next) | ||
196 | |||
197 | /* From PCI */ | ||
198 | |||
199 | #ifdef CONFIG_PCI | ||
200 | extern int isa_dma_bridge_buggy; | ||
201 | #else | ||
202 | #define isa_dma_bridge_buggy (0) | ||
203 | #endif | ||
204 | |||
205 | #endif /* !(_ASM_SPARC64_DMA_H) */ | ||
diff --git a/include/asm-sparc64/ebus.h b/include/asm-sparc64/ebus.h index fcc62b97ced5..d7d476158bd5 100644 --- a/include/asm-sparc64/ebus.h +++ b/include/asm-sparc64/ebus.h | |||
@@ -1,94 +1 @@ | |||
1 | /* | #include <asm-sparc/ebus.h> | |
2 | * ebus.h: PCI to Ebus pseudo driver software state. | ||
3 | * | ||
4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) | ||
5 | * Copyright (C) 1999 David S. Miller (davem@redhat.com) | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_EBUS_H | ||
9 | #define __SPARC64_EBUS_H | ||
10 | |||
11 | #include <asm/oplib.h> | ||
12 | #include <asm/prom.h> | ||
13 | #include <asm/of_device.h> | ||
14 | |||
15 | struct linux_ebus_child { | ||
16 | struct linux_ebus_child *next; | ||
17 | struct linux_ebus_device *parent; | ||
18 | struct linux_ebus *bus; | ||
19 | struct device_node *prom_node; | ||
20 | struct resource resource[PROMREG_MAX]; | ||
21 | int num_addrs; | ||
22 | unsigned int irqs[PROMINTR_MAX]; | ||
23 | int num_irqs; | ||
24 | }; | ||
25 | |||
26 | struct linux_ebus_device { | ||
27 | struct of_device ofdev; | ||
28 | struct linux_ebus_device *next; | ||
29 | struct linux_ebus_child *children; | ||
30 | struct linux_ebus *bus; | ||
31 | struct device_node *prom_node; | ||
32 | struct resource resource[PROMREG_MAX]; | ||
33 | int num_addrs; | ||
34 | unsigned int irqs[PROMINTR_MAX]; | ||
35 | int num_irqs; | ||
36 | }; | ||
37 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) | ||
38 | |||
39 | struct linux_ebus { | ||
40 | struct of_device ofdev; | ||
41 | struct linux_ebus *next; | ||
42 | struct linux_ebus_device *devices; | ||
43 | struct pci_dev *self; | ||
44 | int index; | ||
45 | int is_rio; | ||
46 | struct device_node *prom_node; | ||
47 | }; | ||
48 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) | ||
49 | |||
50 | struct ebus_dma_info { | ||
51 | spinlock_t lock; | ||
52 | void __iomem *regs; | ||
53 | |||
54 | unsigned int flags; | ||
55 | #define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 | ||
56 | #define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 | ||
57 | |||
58 | /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is | ||
59 | * set. | ||
60 | */ | ||
61 | void (*callback)(struct ebus_dma_info *p, int event, void *cookie); | ||
62 | void *client_cookie; | ||
63 | unsigned int irq; | ||
64 | #define EBUS_DMA_EVENT_ERROR 1 | ||
65 | #define EBUS_DMA_EVENT_DMA 2 | ||
66 | #define EBUS_DMA_EVENT_DEVICE 4 | ||
67 | |||
68 | unsigned char name[64]; | ||
69 | }; | ||
70 | |||
71 | extern int ebus_dma_register(struct ebus_dma_info *p); | ||
72 | extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); | ||
73 | extern void ebus_dma_unregister(struct ebus_dma_info *p); | ||
74 | extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, | ||
75 | size_t len); | ||
76 | extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); | ||
77 | extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); | ||
78 | extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); | ||
79 | extern void ebus_dma_enable(struct ebus_dma_info *p, int on); | ||
80 | |||
81 | extern struct linux_ebus *ebus_chain; | ||
82 | |||
83 | extern void ebus_init(void); | ||
84 | |||
85 | #define for_each_ebus(bus) \ | ||
86 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) | ||
87 | |||
88 | #define for_each_ebusdev(dev, bus) \ | ||
89 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) | ||
90 | |||
91 | #define for_each_edevchild(dev, child) \ | ||
92 | for((child) = (dev)->children; (child); (child) = (child)->next) | ||
93 | |||
94 | #endif /* !(__SPARC64_EBUS_H) */ | ||
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h index 0818a1308f4e..f256d9472c82 100644 --- a/include/asm-sparc64/elf.h +++ b/include/asm-sparc64/elf.h | |||
@@ -1,217 +1 @@ | |||
1 | #ifndef __ASM_SPARC64_ELF_H | #include <asm-sparc/elf.h> | |
2 | #define __ASM_SPARC64_ELF_H | ||
3 | |||
4 | /* | ||
5 | * ELF register definitions.. | ||
6 | */ | ||
7 | |||
8 | #include <asm/ptrace.h> | ||
9 | #include <asm/processor.h> | ||
10 | #include <asm/uaccess.h> | ||
11 | #include <asm/spitfire.h> | ||
12 | |||
13 | /* | ||
14 | * Sparc section types | ||
15 | */ | ||
16 | #define STT_REGISTER 13 | ||
17 | |||
18 | /* | ||
19 | * Sparc ELF relocation types | ||
20 | */ | ||
21 | #define R_SPARC_NONE 0 | ||
22 | #define R_SPARC_8 1 | ||
23 | #define R_SPARC_16 2 | ||
24 | #define R_SPARC_32 3 | ||
25 | #define R_SPARC_DISP8 4 | ||
26 | #define R_SPARC_DISP16 5 | ||
27 | #define R_SPARC_DISP32 6 | ||
28 | #define R_SPARC_WDISP30 7 | ||
29 | #define R_SPARC_WDISP22 8 | ||
30 | #define R_SPARC_HI22 9 | ||
31 | #define R_SPARC_22 10 | ||
32 | #define R_SPARC_13 11 | ||
33 | #define R_SPARC_LO10 12 | ||
34 | #define R_SPARC_GOT10 13 | ||
35 | #define R_SPARC_GOT13 14 | ||
36 | #define R_SPARC_GOT22 15 | ||
37 | #define R_SPARC_PC10 16 | ||
38 | #define R_SPARC_PC22 17 | ||
39 | #define R_SPARC_WPLT30 18 | ||
40 | #define R_SPARC_COPY 19 | ||
41 | #define R_SPARC_GLOB_DAT 20 | ||
42 | #define R_SPARC_JMP_SLOT 21 | ||
43 | #define R_SPARC_RELATIVE 22 | ||
44 | #define R_SPARC_UA32 23 | ||
45 | #define R_SPARC_PLT32 24 | ||
46 | #define R_SPARC_HIPLT22 25 | ||
47 | #define R_SPARC_LOPLT10 26 | ||
48 | #define R_SPARC_PCPLT32 27 | ||
49 | #define R_SPARC_PCPLT22 28 | ||
50 | #define R_SPARC_PCPLT10 29 | ||
51 | #define R_SPARC_10 30 | ||
52 | #define R_SPARC_11 31 | ||
53 | #define R_SPARC_64 32 | ||
54 | #define R_SPARC_OLO10 33 | ||
55 | #define R_SPARC_WDISP16 40 | ||
56 | #define R_SPARC_WDISP19 41 | ||
57 | #define R_SPARC_7 43 | ||
58 | #define R_SPARC_5 44 | ||
59 | #define R_SPARC_6 45 | ||
60 | |||
61 | /* Bits present in AT_HWCAP, primarily for Sparc32. */ | ||
62 | |||
63 | #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ | ||
64 | #define HWCAP_SPARC_STBAR 2 | ||
65 | #define HWCAP_SPARC_SWAP 4 | ||
66 | #define HWCAP_SPARC_MULDIV 8 | ||
67 | #define HWCAP_SPARC_V9 16 | ||
68 | #define HWCAP_SPARC_ULTRA3 32 | ||
69 | #define HWCAP_SPARC_BLKINIT 64 | ||
70 | #define HWCAP_SPARC_N2 128 | ||
71 | |||
72 | #define CORE_DUMP_USE_REGSET | ||
73 | |||
74 | /* | ||
75 | * These are used to set parameters in the core dumps. | ||
76 | */ | ||
77 | #define ELF_ARCH EM_SPARCV9 | ||
78 | #define ELF_CLASS ELFCLASS64 | ||
79 | #define ELF_DATA ELFDATA2MSB | ||
80 | |||
81 | /* Format of 64-bit elf_gregset_t is: | ||
82 | * G0 --> G7 | ||
83 | * O0 --> O7 | ||
84 | * L0 --> L7 | ||
85 | * I0 --> I7 | ||
86 | * TSTATE | ||
87 | * TPC | ||
88 | * TNPC | ||
89 | * Y | ||
90 | */ | ||
91 | typedef unsigned long elf_greg_t; | ||
92 | #define ELF_NGREG 36 | ||
93 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
94 | |||
95 | typedef struct { | ||
96 | unsigned long pr_regs[32]; | ||
97 | unsigned long pr_fsr; | ||
98 | unsigned long pr_gsr; | ||
99 | unsigned long pr_fprs; | ||
100 | } elf_fpregset_t; | ||
101 | |||
102 | /* Format of 32-bit elf_gregset_t is: | ||
103 | * G0 --> G7 | ||
104 | * O0 --> O7 | ||
105 | * L0 --> L7 | ||
106 | * I0 --> I7 | ||
107 | * PSR, PC, nPC, Y, WIM, TBR | ||
108 | */ | ||
109 | typedef unsigned int compat_elf_greg_t; | ||
110 | #define COMPAT_ELF_NGREG 38 | ||
111 | typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; | ||
112 | |||
113 | typedef struct { | ||
114 | union { | ||
115 | unsigned int pr_regs[32]; | ||
116 | unsigned long pr_dregs[16]; | ||
117 | } pr_fr; | ||
118 | unsigned int __unused; | ||
119 | unsigned int pr_fsr; | ||
120 | unsigned char pr_qcnt; | ||
121 | unsigned char pr_q_entrysize; | ||
122 | unsigned char pr_en; | ||
123 | unsigned int pr_q[64]; | ||
124 | } compat_elf_fpregset_t; | ||
125 | |||
126 | /* UltraSparc extensions. Still unused, but will be eventually. */ | ||
127 | typedef struct { | ||
128 | unsigned int pr_type; | ||
129 | unsigned int pr_align; | ||
130 | union { | ||
131 | struct { | ||
132 | union { | ||
133 | unsigned int pr_regs[32]; | ||
134 | unsigned long pr_dregs[16]; | ||
135 | long double pr_qregs[8]; | ||
136 | } pr_xfr; | ||
137 | } pr_v8p; | ||
138 | unsigned int pr_xfsr; | ||
139 | unsigned int pr_fprs; | ||
140 | unsigned int pr_xg[8]; | ||
141 | unsigned int pr_xo[8]; | ||
142 | unsigned long pr_tstate; | ||
143 | unsigned int pr_filler[8]; | ||
144 | } pr_un; | ||
145 | } elf_xregset_t; | ||
146 | |||
147 | /* | ||
148 | * This is used to ensure we don't load something for the wrong architecture. | ||
149 | */ | ||
150 | #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) | ||
151 | #define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \ | ||
152 | (x)->e_machine == EM_SPARC32PLUS) | ||
153 | #define compat_start_thread start_thread32 | ||
154 | |||
155 | #define USE_ELF_CORE_DUMP | ||
156 | #define ELF_EXEC_PAGESIZE PAGE_SIZE | ||
157 | |||
158 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
159 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
160 | the loader. We need to make sure that it is out of the way of the program | ||
161 | that it will "exec", and that there is sufficient room for the brk. */ | ||
162 | |||
163 | #define ELF_ET_DYN_BASE 0x0000010000000000UL | ||
164 | #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL | ||
165 | |||
166 | |||
167 | /* This yields a mask that user programs can use to figure out what | ||
168 | instruction set this cpu supports. */ | ||
169 | |||
170 | /* On Ultra, we support all of the v8 capabilities. */ | ||
171 | static inline unsigned int sparc64_elf_hwcap(void) | ||
172 | { | ||
173 | unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | | ||
174 | HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV | | ||
175 | HWCAP_SPARC_V9); | ||
176 | |||
177 | if (tlb_type == cheetah || tlb_type == cheetah_plus) | ||
178 | cap |= HWCAP_SPARC_ULTRA3; | ||
179 | else if (tlb_type == hypervisor) { | ||
180 | if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || | ||
181 | sun4v_chip_type == SUN4V_CHIP_NIAGARA2) | ||
182 | cap |= HWCAP_SPARC_BLKINIT; | ||
183 | if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2) | ||
184 | cap |= HWCAP_SPARC_N2; | ||
185 | } | ||
186 | |||
187 | return cap; | ||
188 | } | ||
189 | |||
190 | #define ELF_HWCAP sparc64_elf_hwcap(); | ||
191 | |||
192 | /* This yields a string that ld.so will use to load implementation | ||
193 | specific libraries for optimization. This is more specific in | ||
194 | intent than poking at uname or /proc/cpuinfo. */ | ||
195 | |||
196 | #define ELF_PLATFORM (NULL) | ||
197 | |||
198 | #define SET_PERSONALITY(ex, ibcs2) \ | ||
199 | do { unsigned long new_flags = current_thread_info()->flags; \ | ||
200 | new_flags &= _TIF_32BIT; \ | ||
201 | if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ | ||
202 | new_flags |= _TIF_32BIT; \ | ||
203 | else \ | ||
204 | new_flags &= ~_TIF_32BIT; \ | ||
205 | if ((current_thread_info()->flags & _TIF_32BIT) \ | ||
206 | != new_flags) \ | ||
207 | set_thread_flag(TIF_ABI_PENDING); \ | ||
208 | else \ | ||
209 | clear_thread_flag(TIF_ABI_PENDING); \ | ||
210 | /* flush_thread will update pgd cache */ \ | ||
211 | if (ibcs2) \ | ||
212 | set_personality(PER_SVR4); \ | ||
213 | else if (current->personality != PER_LINUX32) \ | ||
214 | set_personality(PER_LINUX); \ | ||
215 | } while (0) | ||
216 | |||
217 | #endif /* !(__ASM_SPARC64_ELF_H) */ | ||
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h index ca19f80a9b7d..214878114436 100644 --- a/include/asm-sparc64/floppy.h +++ b/include/asm-sparc64/floppy.h | |||
@@ -1,782 +1 @@ | |||
1 | /* floppy.h: Sparc specific parts of the Floppy driver. | #include <asm-sparc/floppy.h> | |
2 | * | ||
3 | * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
5 | * | ||
6 | * Ultra/PCI support added: Sep 1997 Eddie C. Dost (ecd@skynet.be) | ||
7 | */ | ||
8 | |||
9 | #ifndef __ASM_SPARC64_FLOPPY_H | ||
10 | #define __ASM_SPARC64_FLOPPY_H | ||
11 | |||
12 | #include <linux/init.h> | ||
13 | #include <linux/pci.h> | ||
14 | |||
15 | #include <asm/page.h> | ||
16 | #include <asm/pgtable.h> | ||
17 | #include <asm/system.h> | ||
18 | #include <asm/idprom.h> | ||
19 | #include <asm/oplib.h> | ||
20 | #include <asm/auxio.h> | ||
21 | #include <asm/sbus.h> | ||
22 | #include <asm/irq.h> | ||
23 | |||
24 | |||
25 | /* | ||
26 | * Define this to enable exchanging drive 0 and 1 if only drive 1 is | ||
27 | * probed on PCI machines. | ||
28 | */ | ||
29 | #undef PCI_FDC_SWAP_DRIVES | ||
30 | |||
31 | |||
32 | /* References: | ||
33 | * 1) Netbsd Sun floppy driver. | ||
34 | * 2) NCR 82077 controller manual | ||
35 | * 3) Intel 82077 controller manual | ||
36 | */ | ||
37 | struct sun_flpy_controller { | ||
38 | volatile unsigned char status1_82077; /* Auxiliary Status reg. 1 */ | ||
39 | volatile unsigned char status2_82077; /* Auxiliary Status reg. 2 */ | ||
40 | volatile unsigned char dor_82077; /* Digital Output reg. */ | ||
41 | volatile unsigned char tapectl_82077; /* Tape Control reg */ | ||
42 | volatile unsigned char status_82077; /* Main Status Register. */ | ||
43 | #define drs_82077 status_82077 /* Digital Rate Select reg. */ | ||
44 | volatile unsigned char data_82077; /* Data fifo. */ | ||
45 | volatile unsigned char ___unused; | ||
46 | volatile unsigned char dir_82077; /* Digital Input reg. */ | ||
47 | #define dcr_82077 dir_82077 /* Config Control reg. */ | ||
48 | }; | ||
49 | |||
50 | /* You'll only ever find one controller on an Ultra anyways. */ | ||
51 | static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1; | ||
52 | unsigned long fdc_status; | ||
53 | static struct sbus_dev *floppy_sdev = NULL; | ||
54 | |||
55 | struct sun_floppy_ops { | ||
56 | unsigned char (*fd_inb) (unsigned long port); | ||
57 | void (*fd_outb) (unsigned char value, unsigned long port); | ||
58 | void (*fd_enable_dma) (void); | ||
59 | void (*fd_disable_dma) (void); | ||
60 | void (*fd_set_dma_mode) (int); | ||
61 | void (*fd_set_dma_addr) (char *); | ||
62 | void (*fd_set_dma_count) (int); | ||
63 | unsigned int (*get_dma_residue) (void); | ||
64 | int (*fd_request_irq) (void); | ||
65 | void (*fd_free_irq) (void); | ||
66 | int (*fd_eject) (int); | ||
67 | }; | ||
68 | |||
69 | static struct sun_floppy_ops sun_fdops; | ||
70 | |||
71 | #define fd_inb(port) sun_fdops.fd_inb(port) | ||
72 | #define fd_outb(value,port) sun_fdops.fd_outb(value,port) | ||
73 | #define fd_enable_dma() sun_fdops.fd_enable_dma() | ||
74 | #define fd_disable_dma() sun_fdops.fd_disable_dma() | ||
75 | #define fd_request_dma() (0) /* nothing... */ | ||
76 | #define fd_free_dma() /* nothing... */ | ||
77 | #define fd_clear_dma_ff() /* nothing... */ | ||
78 | #define fd_set_dma_mode(mode) sun_fdops.fd_set_dma_mode(mode) | ||
79 | #define fd_set_dma_addr(addr) sun_fdops.fd_set_dma_addr(addr) | ||
80 | #define fd_set_dma_count(count) sun_fdops.fd_set_dma_count(count) | ||
81 | #define get_dma_residue(x) sun_fdops.get_dma_residue() | ||
82 | #define fd_cacheflush(addr, size) /* nothing... */ | ||
83 | #define fd_request_irq() sun_fdops.fd_request_irq() | ||
84 | #define fd_free_irq() sun_fdops.fd_free_irq() | ||
85 | #define fd_eject(drive) sun_fdops.fd_eject(drive) | ||
86 | |||
87 | /* Super paranoid... */ | ||
88 | #undef HAVE_DISABLE_HLT | ||
89 | |||
90 | static int sun_floppy_types[2] = { 0, 0 }; | ||
91 | |||
92 | /* Here is where we catch the floppy driver trying to initialize, | ||
93 | * therefore this is where we call the PROM device tree probing | ||
94 | * routine etc. on the Sparc. | ||
95 | */ | ||
96 | #define FLOPPY0_TYPE sun_floppy_init() | ||
97 | #define FLOPPY1_TYPE sun_floppy_types[1] | ||
98 | |||
99 | #define FDC1 ((unsigned long)sun_fdc) | ||
100 | |||
101 | #define N_FDC 1 | ||
102 | #define N_DRIVE 8 | ||
103 | |||
104 | /* No 64k boundary crossing problems on the Sparc. */ | ||
105 | #define CROSS_64KB(a,s) (0) | ||
106 | |||
107 | static unsigned char sun_82077_fd_inb(unsigned long port) | ||
108 | { | ||
109 | udelay(5); | ||
110 | switch(port & 7) { | ||
111 | default: | ||
112 | printk("floppy: Asked to read unknown port %lx\n", port); | ||
113 | panic("floppy: Port bolixed."); | ||
114 | case 4: /* FD_STATUS */ | ||
115 | return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA; | ||
116 | case 5: /* FD_DATA */ | ||
117 | return sbus_readb(&sun_fdc->data_82077); | ||
118 | case 7: /* FD_DIR */ | ||
119 | /* XXX: Is DCL on 0x80 in sun4m? */ | ||
120 | return sbus_readb(&sun_fdc->dir_82077); | ||
121 | }; | ||
122 | panic("sun_82072_fd_inb: How did I get here?"); | ||
123 | } | ||
124 | |||
125 | static void sun_82077_fd_outb(unsigned char value, unsigned long port) | ||
126 | { | ||
127 | udelay(5); | ||
128 | switch(port & 7) { | ||
129 | default: | ||
130 | printk("floppy: Asked to write to unknown port %lx\n", port); | ||
131 | panic("floppy: Port bolixed."); | ||
132 | case 2: /* FD_DOR */ | ||
133 | /* Happily, the 82077 has a real DOR register. */ | ||
134 | sbus_writeb(value, &sun_fdc->dor_82077); | ||
135 | break; | ||
136 | case 5: /* FD_DATA */ | ||
137 | sbus_writeb(value, &sun_fdc->data_82077); | ||
138 | break; | ||
139 | case 7: /* FD_DCR */ | ||
140 | sbus_writeb(value, &sun_fdc->dcr_82077); | ||
141 | break; | ||
142 | case 4: /* FD_STATUS */ | ||
143 | sbus_writeb(value, &sun_fdc->status_82077); | ||
144 | break; | ||
145 | }; | ||
146 | return; | ||
147 | } | ||
148 | |||
149 | /* For pseudo-dma (Sun floppy drives have no real DMA available to | ||
150 | * them so we must eat the data fifo bytes directly ourselves) we have | ||
151 | * three state variables. doing_pdma tells our inline low-level | ||
152 | * assembly floppy interrupt entry point whether it should sit and eat | ||
153 | * bytes from the fifo or just transfer control up to the higher level | ||
154 | * floppy interrupt c-code. I tried very hard but I could not get the | ||
155 | * pseudo-dma to work in c-code without getting many overruns and | ||
156 | * underruns. If non-zero, doing_pdma encodes the direction of | ||
157 | * the transfer for debugging. 1=read 2=write | ||
158 | */ | ||
159 | unsigned char *pdma_vaddr; | ||
160 | unsigned long pdma_size; | ||
161 | volatile int doing_pdma = 0; | ||
162 | |||
163 | /* This is software state */ | ||
164 | char *pdma_base = NULL; | ||
165 | unsigned long pdma_areasize; | ||
166 | |||
167 | /* Common routines to all controller types on the Sparc. */ | ||
168 | static void sun_fd_disable_dma(void) | ||
169 | { | ||
170 | doing_pdma = 0; | ||
171 | if (pdma_base) { | ||
172 | mmu_unlockarea(pdma_base, pdma_areasize); | ||
173 | pdma_base = NULL; | ||
174 | } | ||
175 | } | ||
176 | |||
177 | static void sun_fd_set_dma_mode(int mode) | ||
178 | { | ||
179 | switch(mode) { | ||
180 | case DMA_MODE_READ: | ||
181 | doing_pdma = 1; | ||
182 | break; | ||
183 | case DMA_MODE_WRITE: | ||
184 | doing_pdma = 2; | ||
185 | break; | ||
186 | default: | ||
187 | printk("Unknown dma mode %d\n", mode); | ||
188 | panic("floppy: Giving up..."); | ||
189 | } | ||
190 | } | ||
191 | |||
192 | static void sun_fd_set_dma_addr(char *buffer) | ||
193 | { | ||
194 | pdma_vaddr = buffer; | ||
195 | } | ||
196 | |||
197 | static void sun_fd_set_dma_count(int length) | ||
198 | { | ||
199 | pdma_size = length; | ||
200 | } | ||
201 | |||
202 | static void sun_fd_enable_dma(void) | ||
203 | { | ||
204 | pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); | ||
205 | pdma_base = pdma_vaddr; | ||
206 | pdma_areasize = pdma_size; | ||
207 | } | ||
208 | |||
209 | irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie) | ||
210 | { | ||
211 | if (likely(doing_pdma)) { | ||
212 | void __iomem *stat = (void __iomem *) fdc_status; | ||
213 | unsigned char *vaddr = pdma_vaddr; | ||
214 | unsigned long size = pdma_size; | ||
215 | u8 val; | ||
216 | |||
217 | while (size) { | ||
218 | val = readb(stat); | ||
219 | if (unlikely(!(val & 0x80))) { | ||
220 | pdma_vaddr = vaddr; | ||
221 | pdma_size = size; | ||
222 | return IRQ_HANDLED; | ||
223 | } | ||
224 | if (unlikely(!(val & 0x20))) { | ||
225 | pdma_vaddr = vaddr; | ||
226 | pdma_size = size; | ||
227 | doing_pdma = 0; | ||
228 | goto main_interrupt; | ||
229 | } | ||
230 | if (val & 0x40) { | ||
231 | /* read */ | ||
232 | *vaddr++ = readb(stat + 1); | ||
233 | } else { | ||
234 | unsigned char data = *vaddr++; | ||
235 | |||
236 | /* write */ | ||
237 | writeb(data, stat + 1); | ||
238 | } | ||
239 | size--; | ||
240 | } | ||
241 | |||
242 | pdma_vaddr = vaddr; | ||
243 | pdma_size = size; | ||
244 | |||
245 | /* Send Terminal Count pulse to floppy controller. */ | ||
246 | val = readb(auxio_register); | ||
247 | val |= AUXIO_AUX1_FTCNT; | ||
248 | writeb(val, auxio_register); | ||
249 | val &= ~AUXIO_AUX1_FTCNT; | ||
250 | writeb(val, auxio_register); | ||
251 | |||
252 | doing_pdma = 0; | ||
253 | } | ||
254 | |||
255 | main_interrupt: | ||
256 | return floppy_interrupt(irq, dev_cookie); | ||
257 | } | ||
258 | |||
259 | static int sun_fd_request_irq(void) | ||
260 | { | ||
261 | static int once = 0; | ||
262 | int error; | ||
263 | |||
264 | if(!once) { | ||
265 | once = 1; | ||
266 | |||
267 | error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, | ||
268 | IRQF_DISABLED, "floppy", NULL); | ||
269 | |||
270 | return ((error == 0) ? 0 : -1); | ||
271 | } | ||
272 | return 0; | ||
273 | } | ||
274 | |||
275 | static void sun_fd_free_irq(void) | ||
276 | { | ||
277 | } | ||
278 | |||
279 | static unsigned int sun_get_dma_residue(void) | ||
280 | { | ||
281 | /* XXX This isn't really correct. XXX */ | ||
282 | return 0; | ||
283 | } | ||
284 | |||
285 | static int sun_fd_eject(int drive) | ||
286 | { | ||
287 | set_dor(0x00, 0xff, 0x90); | ||
288 | udelay(500); | ||
289 | set_dor(0x00, 0x6f, 0x00); | ||
290 | udelay(500); | ||
291 | return 0; | ||
292 | } | ||
293 | |||
294 | #ifdef CONFIG_PCI | ||
295 | #include <asm/ebus.h> | ||
296 | #include <asm/ns87303.h> | ||
297 | |||
298 | static struct ebus_dma_info sun_pci_fd_ebus_dma; | ||
299 | static struct pci_dev *sun_pci_ebus_dev; | ||
300 | static int sun_pci_broken_drive = -1; | ||
301 | |||
302 | struct sun_pci_dma_op { | ||
303 | unsigned int addr; | ||
304 | int len; | ||
305 | int direction; | ||
306 | char *buf; | ||
307 | }; | ||
308 | static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL}; | ||
309 | static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL}; | ||
310 | |||
311 | extern irqreturn_t floppy_interrupt(int irq, void *dev_id); | ||
312 | |||
313 | static unsigned char sun_pci_fd_inb(unsigned long port) | ||
314 | { | ||
315 | udelay(5); | ||
316 | return inb(port); | ||
317 | } | ||
318 | |||
319 | static void sun_pci_fd_outb(unsigned char val, unsigned long port) | ||
320 | { | ||
321 | udelay(5); | ||
322 | outb(val, port); | ||
323 | } | ||
324 | |||
325 | static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port) | ||
326 | { | ||
327 | udelay(5); | ||
328 | /* | ||
329 | * XXX: Due to SUN's broken floppy connector on AX and AXi | ||
330 | * we need to turn on MOTOR_0 also, if the floppy is | ||
331 | * jumpered to DS1 (like most PC floppies are). I hope | ||
332 | * this does not hurt correct hardware like the AXmp. | ||
333 | * (Eddie, Sep 12 1998). | ||
334 | */ | ||
335 | if (port == ((unsigned long)sun_fdc) + 2) { | ||
336 | if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) { | ||
337 | val |= 0x10; | ||
338 | } | ||
339 | } | ||
340 | outb(val, port); | ||
341 | } | ||
342 | |||
343 | #ifdef PCI_FDC_SWAP_DRIVES | ||
344 | static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port) | ||
345 | { | ||
346 | udelay(5); | ||
347 | /* | ||
348 | * XXX: Due to SUN's broken floppy connector on AX and AXi | ||
349 | * we need to turn on MOTOR_0 also, if the floppy is | ||
350 | * jumpered to DS1 (like most PC floppies are). I hope | ||
351 | * this does not hurt correct hardware like the AXmp. | ||
352 | * (Eddie, Sep 12 1998). | ||
353 | */ | ||
354 | if (port == ((unsigned long)sun_fdc) + 2) { | ||
355 | if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) { | ||
356 | val &= ~(0x03); | ||
357 | val |= 0x21; | ||
358 | } | ||
359 | } | ||
360 | outb(val, port); | ||
361 | } | ||
362 | #endif /* PCI_FDC_SWAP_DRIVES */ | ||
363 | |||
364 | static void sun_pci_fd_enable_dma(void) | ||
365 | { | ||
366 | BUG_ON((NULL == sun_pci_dma_pending.buf) || | ||
367 | (0 == sun_pci_dma_pending.len) || | ||
368 | (0 == sun_pci_dma_pending.direction)); | ||
369 | |||
370 | sun_pci_dma_current.buf = sun_pci_dma_pending.buf; | ||
371 | sun_pci_dma_current.len = sun_pci_dma_pending.len; | ||
372 | sun_pci_dma_current.direction = sun_pci_dma_pending.direction; | ||
373 | |||
374 | sun_pci_dma_pending.buf = NULL; | ||
375 | sun_pci_dma_pending.len = 0; | ||
376 | sun_pci_dma_pending.direction = 0; | ||
377 | sun_pci_dma_pending.addr = -1U; | ||
378 | |||
379 | sun_pci_dma_current.addr = | ||
380 | pci_map_single(sun_pci_ebus_dev, | ||
381 | sun_pci_dma_current.buf, | ||
382 | sun_pci_dma_current.len, | ||
383 | sun_pci_dma_current.direction); | ||
384 | |||
385 | ebus_dma_enable(&sun_pci_fd_ebus_dma, 1); | ||
386 | |||
387 | if (ebus_dma_request(&sun_pci_fd_ebus_dma, | ||
388 | sun_pci_dma_current.addr, | ||
389 | sun_pci_dma_current.len)) | ||
390 | BUG(); | ||
391 | } | ||
392 | |||
393 | static void sun_pci_fd_disable_dma(void) | ||
394 | { | ||
395 | ebus_dma_enable(&sun_pci_fd_ebus_dma, 0); | ||
396 | if (sun_pci_dma_current.addr != -1U) | ||
397 | pci_unmap_single(sun_pci_ebus_dev, | ||
398 | sun_pci_dma_current.addr, | ||
399 | sun_pci_dma_current.len, | ||
400 | sun_pci_dma_current.direction); | ||
401 | sun_pci_dma_current.addr = -1U; | ||
402 | } | ||
403 | |||
404 | static void sun_pci_fd_set_dma_mode(int mode) | ||
405 | { | ||
406 | if (mode == DMA_MODE_WRITE) | ||
407 | sun_pci_dma_pending.direction = PCI_DMA_TODEVICE; | ||
408 | else | ||
409 | sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE; | ||
410 | |||
411 | ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE); | ||
412 | } | ||
413 | |||
414 | static void sun_pci_fd_set_dma_count(int length) | ||
415 | { | ||
416 | sun_pci_dma_pending.len = length; | ||
417 | } | ||
418 | |||
419 | static void sun_pci_fd_set_dma_addr(char *buffer) | ||
420 | { | ||
421 | sun_pci_dma_pending.buf = buffer; | ||
422 | } | ||
423 | |||
424 | static unsigned int sun_pci_get_dma_residue(void) | ||
425 | { | ||
426 | return ebus_dma_residue(&sun_pci_fd_ebus_dma); | ||
427 | } | ||
428 | |||
429 | static int sun_pci_fd_request_irq(void) | ||
430 | { | ||
431 | return ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 1); | ||
432 | } | ||
433 | |||
434 | static void sun_pci_fd_free_irq(void) | ||
435 | { | ||
436 | ebus_dma_irq_enable(&sun_pci_fd_ebus_dma, 0); | ||
437 | } | ||
438 | |||
439 | static int sun_pci_fd_eject(int drive) | ||
440 | { | ||
441 | return -EINVAL; | ||
442 | } | ||
443 | |||
444 | void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie) | ||
445 | { | ||
446 | floppy_interrupt(0, NULL); | ||
447 | } | ||
448 | |||
449 | /* | ||
450 | * Floppy probing, we'd like to use /dev/fd0 for a single Floppy on PCI, | ||
451 | * even if this is configured using DS1, thus looks like /dev/fd1 with | ||
452 | * the cabling used in Ultras. | ||
453 | */ | ||
454 | #define DOR (port + 2) | ||
455 | #define MSR (port + 4) | ||
456 | #define FIFO (port + 5) | ||
457 | |||
458 | static void sun_pci_fd_out_byte(unsigned long port, unsigned char val, | ||
459 | unsigned long reg) | ||
460 | { | ||
461 | unsigned char status; | ||
462 | int timeout = 1000; | ||
463 | |||
464 | while (!((status = inb(MSR)) & 0x80) && --timeout) | ||
465 | udelay(100); | ||
466 | outb(val, reg); | ||
467 | } | ||
468 | |||
469 | static unsigned char sun_pci_fd_sensei(unsigned long port) | ||
470 | { | ||
471 | unsigned char result[2] = { 0x70, 0x00 }; | ||
472 | unsigned char status; | ||
473 | int i = 0; | ||
474 | |||
475 | sun_pci_fd_out_byte(port, 0x08, FIFO); | ||
476 | do { | ||
477 | int timeout = 1000; | ||
478 | |||
479 | while (!((status = inb(MSR)) & 0x80) && --timeout) | ||
480 | udelay(100); | ||
481 | |||
482 | if (!timeout) | ||
483 | break; | ||
484 | |||
485 | if ((status & 0xf0) == 0xd0) | ||
486 | result[i++] = inb(FIFO); | ||
487 | else | ||
488 | break; | ||
489 | } while (i < 2); | ||
490 | |||
491 | return result[0]; | ||
492 | } | ||
493 | |||
494 | static void sun_pci_fd_reset(unsigned long port) | ||
495 | { | ||
496 | unsigned char mask = 0x00; | ||
497 | unsigned char status; | ||
498 | int timeout = 10000; | ||
499 | |||
500 | outb(0x80, MSR); | ||
501 | do { | ||
502 | status = sun_pci_fd_sensei(port); | ||
503 | if ((status & 0xc0) == 0xc0) | ||
504 | mask |= 1 << (status & 0x03); | ||
505 | else | ||
506 | udelay(100); | ||
507 | } while ((mask != 0x0f) && --timeout); | ||
508 | } | ||
509 | |||
510 | static int sun_pci_fd_test_drive(unsigned long port, int drive) | ||
511 | { | ||
512 | unsigned char status, data; | ||
513 | int timeout = 1000; | ||
514 | int ready; | ||
515 | |||
516 | sun_pci_fd_reset(port); | ||
517 | |||
518 | data = (0x10 << drive) | 0x0c | drive; | ||
519 | sun_pci_fd_out_byte(port, data, DOR); | ||
520 | |||
521 | sun_pci_fd_out_byte(port, 0x07, FIFO); | ||
522 | sun_pci_fd_out_byte(port, drive & 0x03, FIFO); | ||
523 | |||
524 | do { | ||
525 | udelay(100); | ||
526 | status = sun_pci_fd_sensei(port); | ||
527 | } while (((status & 0xc0) == 0x80) && --timeout); | ||
528 | |||
529 | if (!timeout) | ||
530 | ready = 0; | ||
531 | else | ||
532 | ready = (status & 0x10) ? 0 : 1; | ||
533 | |||
534 | sun_pci_fd_reset(port); | ||
535 | return ready; | ||
536 | } | ||
537 | #undef FIFO | ||
538 | #undef MSR | ||
539 | #undef DOR | ||
540 | |||
541 | #endif /* CONFIG_PCI */ | ||
542 | |||
543 | #ifdef CONFIG_PCI | ||
544 | static int __init ebus_fdthree_p(struct linux_ebus_device *edev) | ||
545 | { | ||
546 | if (!strcmp(edev->prom_node->name, "fdthree")) | ||
547 | return 1; | ||
548 | if (!strcmp(edev->prom_node->name, "floppy")) { | ||
549 | const char *compat; | ||
550 | |||
551 | compat = of_get_property(edev->prom_node, | ||
552 | "compatible", NULL); | ||
553 | if (compat && !strcmp(compat, "fdthree")) | ||
554 | return 1; | ||
555 | } | ||
556 | return 0; | ||
557 | } | ||
558 | #endif | ||
559 | |||
560 | static unsigned long __init sun_floppy_init(void) | ||
561 | { | ||
562 | char state[128]; | ||
563 | struct sbus_bus *bus; | ||
564 | struct sbus_dev *sdev = NULL; | ||
565 | static int initialized = 0; | ||
566 | |||
567 | if (initialized) | ||
568 | return sun_floppy_types[0]; | ||
569 | initialized = 1; | ||
570 | |||
571 | for_all_sbusdev (sdev, bus) { | ||
572 | if (!strcmp(sdev->prom_name, "SUNW,fdtwo")) | ||
573 | break; | ||
574 | } | ||
575 | if(sdev) { | ||
576 | floppy_sdev = sdev; | ||
577 | FLOPPY_IRQ = sdev->irqs[0]; | ||
578 | } else { | ||
579 | #ifdef CONFIG_PCI | ||
580 | struct linux_ebus *ebus; | ||
581 | struct linux_ebus_device *edev = NULL; | ||
582 | unsigned long config = 0; | ||
583 | void __iomem *auxio_reg; | ||
584 | const char *state_prop; | ||
585 | |||
586 | for_each_ebus(ebus) { | ||
587 | for_each_ebusdev(edev, ebus) { | ||
588 | if (ebus_fdthree_p(edev)) | ||
589 | goto ebus_done; | ||
590 | } | ||
591 | } | ||
592 | ebus_done: | ||
593 | if (!edev) | ||
594 | return 0; | ||
595 | |||
596 | state_prop = of_get_property(edev->prom_node, "status", NULL); | ||
597 | if (state_prop && !strncmp(state_prop, "disabled", 8)) | ||
598 | return 0; | ||
599 | |||
600 | FLOPPY_IRQ = edev->irqs[0]; | ||
601 | |||
602 | /* Make sure the high density bit is set, some systems | ||
603 | * (most notably Ultra5/Ultra10) come up with it clear. | ||
604 | */ | ||
605 | auxio_reg = (void __iomem *) edev->resource[2].start; | ||
606 | writel(readl(auxio_reg)|0x2, auxio_reg); | ||
607 | |||
608 | sun_pci_ebus_dev = ebus->self; | ||
609 | |||
610 | spin_lock_init(&sun_pci_fd_ebus_dma.lock); | ||
611 | |||
612 | /* XXX ioremap */ | ||
613 | sun_pci_fd_ebus_dma.regs = (void __iomem *) | ||
614 | edev->resource[1].start; | ||
615 | if (!sun_pci_fd_ebus_dma.regs) | ||
616 | return 0; | ||
617 | |||
618 | sun_pci_fd_ebus_dma.flags = (EBUS_DMA_FLAG_USE_EBDMA_HANDLER | | ||
619 | EBUS_DMA_FLAG_TCI_DISABLE); | ||
620 | sun_pci_fd_ebus_dma.callback = sun_pci_fd_dma_callback; | ||
621 | sun_pci_fd_ebus_dma.client_cookie = NULL; | ||
622 | sun_pci_fd_ebus_dma.irq = FLOPPY_IRQ; | ||
623 | strcpy(sun_pci_fd_ebus_dma.name, "floppy"); | ||
624 | if (ebus_dma_register(&sun_pci_fd_ebus_dma)) | ||
625 | return 0; | ||
626 | |||
627 | /* XXX ioremap */ | ||
628 | sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start; | ||
629 | |||
630 | sun_fdops.fd_inb = sun_pci_fd_inb; | ||
631 | sun_fdops.fd_outb = sun_pci_fd_outb; | ||
632 | |||
633 | can_use_virtual_dma = use_virtual_dma = 0; | ||
634 | sun_fdops.fd_enable_dma = sun_pci_fd_enable_dma; | ||
635 | sun_fdops.fd_disable_dma = sun_pci_fd_disable_dma; | ||
636 | sun_fdops.fd_set_dma_mode = sun_pci_fd_set_dma_mode; | ||
637 | sun_fdops.fd_set_dma_addr = sun_pci_fd_set_dma_addr; | ||
638 | sun_fdops.fd_set_dma_count = sun_pci_fd_set_dma_count; | ||
639 | sun_fdops.get_dma_residue = sun_pci_get_dma_residue; | ||
640 | |||
641 | sun_fdops.fd_request_irq = sun_pci_fd_request_irq; | ||
642 | sun_fdops.fd_free_irq = sun_pci_fd_free_irq; | ||
643 | |||
644 | sun_fdops.fd_eject = sun_pci_fd_eject; | ||
645 | |||
646 | fdc_status = (unsigned long) &sun_fdc->status_82077; | ||
647 | |||
648 | /* | ||
649 | * XXX: Find out on which machines this is really needed. | ||
650 | */ | ||
651 | if (1) { | ||
652 | sun_pci_broken_drive = 1; | ||
653 | sun_fdops.fd_outb = sun_pci_fd_broken_outb; | ||
654 | } | ||
655 | |||
656 | allowed_drive_mask = 0; | ||
657 | if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 0)) | ||
658 | sun_floppy_types[0] = 4; | ||
659 | if (sun_pci_fd_test_drive((unsigned long)sun_fdc, 1)) | ||
660 | sun_floppy_types[1] = 4; | ||
661 | |||
662 | /* | ||
663 | * Find NS87303 SuperIO config registers (through ecpp). | ||
664 | */ | ||
665 | for_each_ebus(ebus) { | ||
666 | for_each_ebusdev(edev, ebus) { | ||
667 | if (!strcmp(edev->prom_node->name, "ecpp")) { | ||
668 | config = edev->resource[1].start; | ||
669 | goto config_done; | ||
670 | } | ||
671 | } | ||
672 | } | ||
673 | config_done: | ||
674 | |||
675 | /* | ||
676 | * Sanity check, is this really the NS87303? | ||
677 | */ | ||
678 | switch (config & 0x3ff) { | ||
679 | case 0x02e: | ||
680 | case 0x15c: | ||
681 | case 0x26e: | ||
682 | case 0x398: | ||
683 | break; | ||
684 | default: | ||
685 | config = 0; | ||
686 | } | ||
687 | |||
688 | if (!config) | ||
689 | return sun_floppy_types[0]; | ||
690 | |||
691 | /* Enable PC-AT mode. */ | ||
692 | ns87303_modify(config, ASC, 0, 0xc0); | ||
693 | |||
694 | #ifdef PCI_FDC_SWAP_DRIVES | ||
695 | /* | ||
696 | * If only Floppy 1 is present, swap drives. | ||
697 | */ | ||
698 | if (!sun_floppy_types[0] && sun_floppy_types[1]) { | ||
699 | /* | ||
700 | * Set the drive exchange bit in FCR on NS87303, | ||
701 | * make sure other bits are sane before doing so. | ||
702 | */ | ||
703 | ns87303_modify(config, FER, FER_EDM, 0); | ||
704 | ns87303_modify(config, ASC, ASC_DRV2_SEL, 0); | ||
705 | ns87303_modify(config, FCR, 0, FCR_LDE); | ||
706 | |||
707 | config = sun_floppy_types[0]; | ||
708 | sun_floppy_types[0] = sun_floppy_types[1]; | ||
709 | sun_floppy_types[1] = config; | ||
710 | |||
711 | if (sun_pci_broken_drive != -1) { | ||
712 | sun_pci_broken_drive = 1 - sun_pci_broken_drive; | ||
713 | sun_fdops.fd_outb = sun_pci_fd_lde_broken_outb; | ||
714 | } | ||
715 | } | ||
716 | #endif /* PCI_FDC_SWAP_DRIVES */ | ||
717 | |||
718 | return sun_floppy_types[0]; | ||
719 | #else | ||
720 | return 0; | ||
721 | #endif | ||
722 | } | ||
723 | prom_getproperty(sdev->prom_node, "status", state, sizeof(state)); | ||
724 | if(!strncmp(state, "disabled", 8)) | ||
725 | return 0; | ||
726 | |||
727 | /* | ||
728 | * We cannot do sbus_ioremap here: it does request_region, | ||
729 | * which the generic floppy driver tries to do once again. | ||
730 | * But we must use the sdev resource values as they have | ||
731 | * had parent ranges applied. | ||
732 | */ | ||
733 | sun_fdc = (struct sun_flpy_controller *) | ||
734 | (sdev->resource[0].start + | ||
735 | ((sdev->resource[0].flags & 0x1ffUL) << 32UL)); | ||
736 | |||
737 | /* Last minute sanity check... */ | ||
738 | if(sbus_readb(&sun_fdc->status1_82077) == 0xff) { | ||
739 | sun_fdc = (struct sun_flpy_controller *)-1; | ||
740 | return 0; | ||
741 | } | ||
742 | |||
743 | sun_fdops.fd_inb = sun_82077_fd_inb; | ||
744 | sun_fdops.fd_outb = sun_82077_fd_outb; | ||
745 | |||
746 | can_use_virtual_dma = use_virtual_dma = 1; | ||
747 | sun_fdops.fd_enable_dma = sun_fd_enable_dma; | ||
748 | sun_fdops.fd_disable_dma = sun_fd_disable_dma; | ||
749 | sun_fdops.fd_set_dma_mode = sun_fd_set_dma_mode; | ||
750 | sun_fdops.fd_set_dma_addr = sun_fd_set_dma_addr; | ||
751 | sun_fdops.fd_set_dma_count = sun_fd_set_dma_count; | ||
752 | sun_fdops.get_dma_residue = sun_get_dma_residue; | ||
753 | |||
754 | sun_fdops.fd_request_irq = sun_fd_request_irq; | ||
755 | sun_fdops.fd_free_irq = sun_fd_free_irq; | ||
756 | |||
757 | sun_fdops.fd_eject = sun_fd_eject; | ||
758 | |||
759 | fdc_status = (unsigned long) &sun_fdc->status_82077; | ||
760 | |||
761 | /* Success... */ | ||
762 | allowed_drive_mask = 0x01; | ||
763 | sun_floppy_types[0] = 4; | ||
764 | sun_floppy_types[1] = 0; | ||
765 | |||
766 | return sun_floppy_types[0]; | ||
767 | } | ||
768 | |||
769 | #define EXTRA_FLOPPY_PARAMS | ||
770 | |||
771 | static DEFINE_SPINLOCK(dma_spin_lock); | ||
772 | |||
773 | #define claim_dma_lock() \ | ||
774 | ({ unsigned long flags; \ | ||
775 | spin_lock_irqsave(&dma_spin_lock, flags); \ | ||
776 | flags; \ | ||
777 | }) | ||
778 | |||
779 | #define release_dma_lock(__flags) \ | ||
780 | spin_unlock_irqrestore(&dma_spin_lock, __flags); | ||
781 | |||
782 | #endif /* !(__ASM_SPARC64_FLOPPY_H) */ | ||
diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h index d8378935ae90..1ceb0bb2fe53 100644 --- a/include/asm-sparc64/futex.h +++ b/include/asm-sparc64/futex.h | |||
@@ -1,110 +1 @@ | |||
1 | #ifndef _SPARC64_FUTEX_H | #include <asm-sparc/futex.h> | |
2 | #define _SPARC64_FUTEX_H | ||
3 | |||
4 | #include <linux/futex.h> | ||
5 | #include <linux/uaccess.h> | ||
6 | #include <asm/errno.h> | ||
7 | #include <asm/system.h> | ||
8 | |||
9 | #define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \ | ||
10 | __asm__ __volatile__( \ | ||
11 | "\n1: lduwa [%3] %%asi, %2\n" \ | ||
12 | " " insn "\n" \ | ||
13 | "2: casa [%3] %%asi, %2, %1\n" \ | ||
14 | " cmp %2, %1\n" \ | ||
15 | " bne,pn %%icc, 1b\n" \ | ||
16 | " mov 0, %0\n" \ | ||
17 | "3:\n" \ | ||
18 | " .section .fixup,#alloc,#execinstr\n" \ | ||
19 | " .align 4\n" \ | ||
20 | "4: sethi %%hi(3b), %0\n" \ | ||
21 | " jmpl %0 + %%lo(3b), %%g0\n" \ | ||
22 | " mov %5, %0\n" \ | ||
23 | " .previous\n" \ | ||
24 | " .section __ex_table,\"a\"\n" \ | ||
25 | " .align 4\n" \ | ||
26 | " .word 1b, 4b\n" \ | ||
27 | " .word 2b, 4b\n" \ | ||
28 | " .previous\n" \ | ||
29 | : "=&r" (ret), "=&r" (oldval), "=&r" (tem) \ | ||
30 | : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ | ||
31 | : "memory") | ||
32 | |||
33 | static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) | ||
34 | { | ||
35 | int op = (encoded_op >> 28) & 7; | ||
36 | int cmp = (encoded_op >> 24) & 15; | ||
37 | int oparg = (encoded_op << 8) >> 20; | ||
38 | int cmparg = (encoded_op << 20) >> 20; | ||
39 | int oldval = 0, ret, tem; | ||
40 | |||
41 | if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) | ||
42 | return -EFAULT; | ||
43 | if (unlikely((((unsigned long) uaddr) & 0x3UL))) | ||
44 | return -EINVAL; | ||
45 | |||
46 | if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) | ||
47 | oparg = 1 << oparg; | ||
48 | |||
49 | pagefault_disable(); | ||
50 | |||
51 | switch (op) { | ||
52 | case FUTEX_OP_SET: | ||
53 | __futex_cas_op("mov\t%4, %1", ret, oldval, uaddr, oparg); | ||
54 | break; | ||
55 | case FUTEX_OP_ADD: | ||
56 | __futex_cas_op("add\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
57 | break; | ||
58 | case FUTEX_OP_OR: | ||
59 | __futex_cas_op("or\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
60 | break; | ||
61 | case FUTEX_OP_ANDN: | ||
62 | __futex_cas_op("and\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
63 | break; | ||
64 | case FUTEX_OP_XOR: | ||
65 | __futex_cas_op("xor\t%2, %4, %1", ret, oldval, uaddr, oparg); | ||
66 | break; | ||
67 | default: | ||
68 | ret = -ENOSYS; | ||
69 | } | ||
70 | |||
71 | pagefault_enable(); | ||
72 | |||
73 | if (!ret) { | ||
74 | switch (cmp) { | ||
75 | case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; | ||
76 | case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; | ||
77 | case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; | ||
78 | case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; | ||
79 | case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; | ||
80 | case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; | ||
81 | default: ret = -ENOSYS; | ||
82 | } | ||
83 | } | ||
84 | return ret; | ||
85 | } | ||
86 | |||
87 | static inline int | ||
88 | futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) | ||
89 | { | ||
90 | __asm__ __volatile__( | ||
91 | "\n1: casa [%3] %%asi, %2, %0\n" | ||
92 | "2:\n" | ||
93 | " .section .fixup,#alloc,#execinstr\n" | ||
94 | " .align 4\n" | ||
95 | "3: sethi %%hi(2b), %0\n" | ||
96 | " jmpl %0 + %%lo(2b), %%g0\n" | ||
97 | " mov %4, %0\n" | ||
98 | " .previous\n" | ||
99 | " .section __ex_table,\"a\"\n" | ||
100 | " .align 4\n" | ||
101 | " .word 1b, 3b\n" | ||
102 | " .previous\n" | ||
103 | : "=r" (newval) | ||
104 | : "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT) | ||
105 | : "memory"); | ||
106 | |||
107 | return newval; | ||
108 | } | ||
109 | |||
110 | #endif /* !(_SPARC64_FUTEX_H) */ | ||
diff --git a/include/asm-sparc64/hardirq.h b/include/asm-sparc64/hardirq.h index 7c29fd1a87aa..63dca3db11f3 100644 --- a/include/asm-sparc64/hardirq.h +++ b/include/asm-sparc64/hardirq.h | |||
@@ -1,19 +1 @@ | |||
1 | /* hardirq.h: 64-bit Sparc hard IRQ support. | #include <asm-sparc/hardirq.h> | |
2 | * | ||
3 | * Copyright (C) 1997, 1998, 2005 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef __SPARC64_HARDIRQ_H | ||
7 | #define __SPARC64_HARDIRQ_H | ||
8 | |||
9 | #include <asm/cpudata.h> | ||
10 | |||
11 | #define __ARCH_IRQ_STAT | ||
12 | #define local_softirq_pending() \ | ||
13 | (local_cpu_data().__softirq_pending) | ||
14 | |||
15 | void ack_bad_irq(unsigned int irq); | ||
16 | |||
17 | #define HARDIRQ_BITS 8 | ||
18 | |||
19 | #endif /* !(__SPARC64_HARDIRQ_H) */ | ||
diff --git a/include/asm-sparc64/head.h b/include/asm-sparc64/head.h index 10e9dabc4c41..2254c09e53f9 100644 --- a/include/asm-sparc64/head.h +++ b/include/asm-sparc64/head.h | |||
@@ -1,76 +1 @@ | |||
1 | #ifndef _SPARC64_HEAD_H | #include <asm-sparc/head.h> | |
2 | #define _SPARC64_HEAD_H | ||
3 | |||
4 | #include <asm/pstate.h> | ||
5 | |||
6 | /* wrpr %g0, val, %gl */ | ||
7 | #define SET_GL(val) \ | ||
8 | .word 0xa1902000 | val | ||
9 | |||
10 | /* rdpr %gl, %gN */ | ||
11 | #define GET_GL_GLOBAL(N) \ | ||
12 | .word 0x81540000 | (N << 25) | ||
13 | |||
14 | #define KERNBASE 0x400000 | ||
15 | |||
16 | #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) | ||
17 | |||
18 | #define __CHEETAH_ID 0x003e0014 | ||
19 | #define __JALAPENO_ID 0x003e0016 | ||
20 | #define __SERRANO_ID 0x003e0022 | ||
21 | |||
22 | #define CHEETAH_MANUF 0x003e | ||
23 | #define CHEETAH_IMPL 0x0014 /* Ultra-III */ | ||
24 | #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ | ||
25 | #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ | ||
26 | #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ | ||
27 | #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ | ||
28 | #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ | ||
29 | |||
30 | #define BRANCH_IF_SUN4V(tmp1,label) \ | ||
31 | sethi %hi(is_sun4v), %tmp1; \ | ||
32 | lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ | ||
33 | brnz,pn %tmp1, label; \ | ||
34 | nop | ||
35 | |||
36 | #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ | ||
37 | rdpr %ver, %tmp1; \ | ||
38 | sethi %hi(__CHEETAH_ID), %tmp2; \ | ||
39 | srlx %tmp1, 32, %tmp1; \ | ||
40 | or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ | ||
41 | cmp %tmp1, %tmp2; \ | ||
42 | be,pn %icc, label; \ | ||
43 | nop; | ||
44 | |||
45 | #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ | ||
46 | rdpr %ver, %tmp1; \ | ||
47 | sethi %hi(__JALAPENO_ID), %tmp2; \ | ||
48 | srlx %tmp1, 32, %tmp1; \ | ||
49 | or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ | ||
50 | cmp %tmp1, %tmp2; \ | ||
51 | be,pn %icc, label; \ | ||
52 | nop; | ||
53 | |||
54 | #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ | ||
55 | rdpr %ver, %tmp1; \ | ||
56 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
57 | cmp %tmp2, CHEETAH_MANUF; \ | ||
58 | bne,pt %xcc, 99f; \ | ||
59 | sllx %tmp1, 16, %tmp1; \ | ||
60 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
61 | cmp %tmp2, CHEETAH_PLUS_IMPL; \ | ||
62 | bgeu,pt %xcc, label; \ | ||
63 | 99: nop; | ||
64 | |||
65 | #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ | ||
66 | rdpr %ver, %tmp1; \ | ||
67 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
68 | cmp %tmp2, CHEETAH_MANUF; \ | ||
69 | bne,pt %xcc, 99f; \ | ||
70 | sllx %tmp1, 16, %tmp1; \ | ||
71 | srlx %tmp1, (32 + 16), %tmp2; \ | ||
72 | cmp %tmp2, CHEETAH_IMPL; \ | ||
73 | bgeu,pt %xcc, label; \ | ||
74 | 99: nop; | ||
75 | |||
76 | #endif /* !(_SPARC64_HEAD_H) */ | ||
diff --git a/include/asm-sparc64/ide.h b/include/asm-sparc64/ide.h index 1282676da1cd..7125317a428d 100644 --- a/include/asm-sparc64/ide.h +++ b/include/asm-sparc64/ide.h | |||
@@ -1,118 +1 @@ | |||
1 | /* | #include <asm-sparc/ide.h> | |
2 | * ide.h: Ultra/PCI specific IDE glue. | ||
3 | * | ||
4 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC64_IDE_H | ||
9 | #define _SPARC64_IDE_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/pgalloc.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/spitfire.h> | ||
16 | #include <asm/cacheflush.h> | ||
17 | #include <asm/page.h> | ||
18 | |||
19 | #ifndef MAX_HWIFS | ||
20 | # ifdef CONFIG_BLK_DEV_IDEPCI | ||
21 | #define MAX_HWIFS 10 | ||
22 | # else | ||
23 | #define MAX_HWIFS 2 | ||
24 | # endif | ||
25 | #endif | ||
26 | |||
27 | #define __ide_insl(data_reg, buffer, wcount) \ | ||
28 | __ide_insw(data_reg, buffer, (wcount)<<1) | ||
29 | #define __ide_outsl(data_reg, buffer, wcount) \ | ||
30 | __ide_outsw(data_reg, buffer, (wcount)<<1) | ||
31 | |||
32 | /* On sparc64, I/O ports and MMIO registers are accessed identically. */ | ||
33 | #define __ide_mm_insw __ide_insw | ||
34 | #define __ide_mm_insl __ide_insl | ||
35 | #define __ide_mm_outsw __ide_outsw | ||
36 | #define __ide_mm_outsl __ide_outsl | ||
37 | |||
38 | static inline unsigned int inw_be(void __iomem *addr) | ||
39 | { | ||
40 | unsigned int ret; | ||
41 | |||
42 | __asm__ __volatile__("lduha [%1] %2, %0" | ||
43 | : "=r" (ret) | ||
44 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
45 | |||
46 | return ret; | ||
47 | } | ||
48 | |||
49 | static inline void __ide_insw(void __iomem *port, void *dst, u32 count) | ||
50 | { | ||
51 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
52 | unsigned long end = (unsigned long)dst + (count << 1); | ||
53 | #endif | ||
54 | u16 *ps = dst; | ||
55 | u32 *pi; | ||
56 | |||
57 | if(((u64)ps) & 0x2) { | ||
58 | *ps++ = inw_be(port); | ||
59 | count--; | ||
60 | } | ||
61 | pi = (u32 *)ps; | ||
62 | while(count >= 2) { | ||
63 | u32 w; | ||
64 | |||
65 | w = inw_be(port) << 16; | ||
66 | w |= inw_be(port); | ||
67 | *pi++ = w; | ||
68 | count -= 2; | ||
69 | } | ||
70 | ps = (u16 *)pi; | ||
71 | if(count) | ||
72 | *ps++ = inw_be(port); | ||
73 | |||
74 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
75 | __flush_dcache_range((unsigned long)dst, end); | ||
76 | #endif | ||
77 | } | ||
78 | |||
79 | static inline void outw_be(unsigned short w, void __iomem *addr) | ||
80 | { | ||
81 | __asm__ __volatile__("stha %0, [%1] %2" | ||
82 | : /* no outputs */ | ||
83 | : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
84 | } | ||
85 | |||
86 | static inline void __ide_outsw(void __iomem *port, void *src, u32 count) | ||
87 | { | ||
88 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
89 | unsigned long end = (unsigned long)src + (count << 1); | ||
90 | #endif | ||
91 | const u16 *ps = src; | ||
92 | const u32 *pi; | ||
93 | |||
94 | if(((u64)src) & 0x2) { | ||
95 | outw_be(*ps++, port); | ||
96 | count--; | ||
97 | } | ||
98 | pi = (const u32 *)ps; | ||
99 | while(count >= 2) { | ||
100 | u32 w; | ||
101 | |||
102 | w = *pi++; | ||
103 | outw_be((w >> 16), port); | ||
104 | outw_be(w, port); | ||
105 | count -= 2; | ||
106 | } | ||
107 | ps = (const u16 *)pi; | ||
108 | if(count) | ||
109 | outw_be(*ps, port); | ||
110 | |||
111 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
112 | __flush_dcache_range((unsigned long)src, end); | ||
113 | #endif | ||
114 | } | ||
115 | |||
116 | #endif /* __KERNEL__ */ | ||
117 | |||
118 | #endif /* _SPARC64_IDE_H */ | ||
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h index 3158960f3eb5..25ff258dfd33 100644 --- a/include/asm-sparc64/io.h +++ b/include/asm-sparc64/io.h | |||
@@ -1,511 +1 @@ | |||
1 | #ifndef __SPARC64_IO_H | #include <asm-sparc/io.h> | |
2 | #define __SPARC64_IO_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/compiler.h> | ||
6 | #include <linux/types.h> | ||
7 | |||
8 | #include <asm/page.h> /* IO address mapping routines need this */ | ||
9 | #include <asm/system.h> | ||
10 | #include <asm/asi.h> | ||
11 | |||
12 | /* PC crapola... */ | ||
13 | #define __SLOW_DOWN_IO do { } while (0) | ||
14 | #define SLOW_DOWN_IO do { } while (0) | ||
15 | |||
16 | /* BIO layer definitions. */ | ||
17 | extern unsigned long kern_base, kern_size; | ||
18 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) | ||
19 | #define BIO_VMERGE_BOUNDARY 8192 | ||
20 | |||
21 | static inline u8 _inb(unsigned long addr) | ||
22 | { | ||
23 | u8 ret; | ||
24 | |||
25 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */" | ||
26 | : "=r" (ret) | ||
27 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
28 | : "memory"); | ||
29 | |||
30 | return ret; | ||
31 | } | ||
32 | |||
33 | static inline u16 _inw(unsigned long addr) | ||
34 | { | ||
35 | u16 ret; | ||
36 | |||
37 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */" | ||
38 | : "=r" (ret) | ||
39 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
40 | : "memory"); | ||
41 | |||
42 | return ret; | ||
43 | } | ||
44 | |||
45 | static inline u32 _inl(unsigned long addr) | ||
46 | { | ||
47 | u32 ret; | ||
48 | |||
49 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */" | ||
50 | : "=r" (ret) | ||
51 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
52 | : "memory"); | ||
53 | |||
54 | return ret; | ||
55 | } | ||
56 | |||
57 | static inline void _outb(u8 b, unsigned long addr) | ||
58 | { | ||
59 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */" | ||
60 | : /* no outputs */ | ||
61 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
62 | : "memory"); | ||
63 | } | ||
64 | |||
65 | static inline void _outw(u16 w, unsigned long addr) | ||
66 | { | ||
67 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */" | ||
68 | : /* no outputs */ | ||
69 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
70 | : "memory"); | ||
71 | } | ||
72 | |||
73 | static inline void _outl(u32 l, unsigned long addr) | ||
74 | { | ||
75 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */" | ||
76 | : /* no outputs */ | ||
77 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
78 | : "memory"); | ||
79 | } | ||
80 | |||
81 | #define inb(__addr) (_inb((unsigned long)(__addr))) | ||
82 | #define inw(__addr) (_inw((unsigned long)(__addr))) | ||
83 | #define inl(__addr) (_inl((unsigned long)(__addr))) | ||
84 | #define outb(__b, __addr) (_outb((u8)(__b), (unsigned long)(__addr))) | ||
85 | #define outw(__w, __addr) (_outw((u16)(__w), (unsigned long)(__addr))) | ||
86 | #define outl(__l, __addr) (_outl((u32)(__l), (unsigned long)(__addr))) | ||
87 | |||
88 | #define inb_p(__addr) inb(__addr) | ||
89 | #define outb_p(__b, __addr) outb(__b, __addr) | ||
90 | #define inw_p(__addr) inw(__addr) | ||
91 | #define outw_p(__w, __addr) outw(__w, __addr) | ||
92 | #define inl_p(__addr) inl(__addr) | ||
93 | #define outl_p(__l, __addr) outl(__l, __addr) | ||
94 | |||
95 | extern void outsb(unsigned long, const void *, unsigned long); | ||
96 | extern void outsw(unsigned long, const void *, unsigned long); | ||
97 | extern void outsl(unsigned long, const void *, unsigned long); | ||
98 | extern void insb(unsigned long, void *, unsigned long); | ||
99 | extern void insw(unsigned long, void *, unsigned long); | ||
100 | extern void insl(unsigned long, void *, unsigned long); | ||
101 | |||
102 | static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) | ||
103 | { | ||
104 | insb((unsigned long __force)port, buf, count); | ||
105 | } | ||
106 | static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count) | ||
107 | { | ||
108 | insw((unsigned long __force)port, buf, count); | ||
109 | } | ||
110 | |||
111 | static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count) | ||
112 | { | ||
113 | insl((unsigned long __force)port, buf, count); | ||
114 | } | ||
115 | |||
116 | static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count) | ||
117 | { | ||
118 | outsb((unsigned long __force)port, buf, count); | ||
119 | } | ||
120 | |||
121 | static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count) | ||
122 | { | ||
123 | outsw((unsigned long __force)port, buf, count); | ||
124 | } | ||
125 | |||
126 | static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count) | ||
127 | { | ||
128 | outsl((unsigned long __force)port, buf, count); | ||
129 | } | ||
130 | |||
131 | /* Memory functions, same as I/O accesses on Ultra. */ | ||
132 | static inline u8 _readb(const volatile void __iomem *addr) | ||
133 | { u8 ret; | ||
134 | |||
135 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */" | ||
136 | : "=r" (ret) | ||
137 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
138 | : "memory"); | ||
139 | return ret; | ||
140 | } | ||
141 | |||
142 | static inline u16 _readw(const volatile void __iomem *addr) | ||
143 | { u16 ret; | ||
144 | |||
145 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */" | ||
146 | : "=r" (ret) | ||
147 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
148 | : "memory"); | ||
149 | |||
150 | return ret; | ||
151 | } | ||
152 | |||
153 | static inline u32 _readl(const volatile void __iomem *addr) | ||
154 | { u32 ret; | ||
155 | |||
156 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */" | ||
157 | : "=r" (ret) | ||
158 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
159 | : "memory"); | ||
160 | |||
161 | return ret; | ||
162 | } | ||
163 | |||
164 | static inline u64 _readq(const volatile void __iomem *addr) | ||
165 | { u64 ret; | ||
166 | |||
167 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */" | ||
168 | : "=r" (ret) | ||
169 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
170 | : "memory"); | ||
171 | |||
172 | return ret; | ||
173 | } | ||
174 | |||
175 | static inline void _writeb(u8 b, volatile void __iomem *addr) | ||
176 | { | ||
177 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */" | ||
178 | : /* no outputs */ | ||
179 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
180 | : "memory"); | ||
181 | } | ||
182 | |||
183 | static inline void _writew(u16 w, volatile void __iomem *addr) | ||
184 | { | ||
185 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */" | ||
186 | : /* no outputs */ | ||
187 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
188 | : "memory"); | ||
189 | } | ||
190 | |||
191 | static inline void _writel(u32 l, volatile void __iomem *addr) | ||
192 | { | ||
193 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */" | ||
194 | : /* no outputs */ | ||
195 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
196 | : "memory"); | ||
197 | } | ||
198 | |||
199 | static inline void _writeq(u64 q, volatile void __iomem *addr) | ||
200 | { | ||
201 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */" | ||
202 | : /* no outputs */ | ||
203 | : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) | ||
204 | : "memory"); | ||
205 | } | ||
206 | |||
207 | #define readb(__addr) _readb(__addr) | ||
208 | #define readw(__addr) _readw(__addr) | ||
209 | #define readl(__addr) _readl(__addr) | ||
210 | #define readq(__addr) _readq(__addr) | ||
211 | #define readb_relaxed(__addr) _readb(__addr) | ||
212 | #define readw_relaxed(__addr) _readw(__addr) | ||
213 | #define readl_relaxed(__addr) _readl(__addr) | ||
214 | #define readq_relaxed(__addr) _readq(__addr) | ||
215 | #define writeb(__b, __addr) _writeb(__b, __addr) | ||
216 | #define writew(__w, __addr) _writew(__w, __addr) | ||
217 | #define writel(__l, __addr) _writel(__l, __addr) | ||
218 | #define writeq(__q, __addr) _writeq(__q, __addr) | ||
219 | |||
220 | /* Now versions without byte-swapping. */ | ||
221 | static inline u8 _raw_readb(unsigned long addr) | ||
222 | { | ||
223 | u8 ret; | ||
224 | |||
225 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_raw_readb */" | ||
226 | : "=r" (ret) | ||
227 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
228 | |||
229 | return ret; | ||
230 | } | ||
231 | |||
232 | static inline u16 _raw_readw(unsigned long addr) | ||
233 | { | ||
234 | u16 ret; | ||
235 | |||
236 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_raw_readw */" | ||
237 | : "=r" (ret) | ||
238 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
239 | |||
240 | return ret; | ||
241 | } | ||
242 | |||
243 | static inline u32 _raw_readl(unsigned long addr) | ||
244 | { | ||
245 | u32 ret; | ||
246 | |||
247 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_raw_readl */" | ||
248 | : "=r" (ret) | ||
249 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
250 | |||
251 | return ret; | ||
252 | } | ||
253 | |||
254 | static inline u64 _raw_readq(unsigned long addr) | ||
255 | { | ||
256 | u64 ret; | ||
257 | |||
258 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_raw_readq */" | ||
259 | : "=r" (ret) | ||
260 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
261 | |||
262 | return ret; | ||
263 | } | ||
264 | |||
265 | static inline void _raw_writeb(u8 b, unsigned long addr) | ||
266 | { | ||
267 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_raw_writeb */" | ||
268 | : /* no outputs */ | ||
269 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
270 | } | ||
271 | |||
272 | static inline void _raw_writew(u16 w, unsigned long addr) | ||
273 | { | ||
274 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_raw_writew */" | ||
275 | : /* no outputs */ | ||
276 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
277 | } | ||
278 | |||
279 | static inline void _raw_writel(u32 l, unsigned long addr) | ||
280 | { | ||
281 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_raw_writel */" | ||
282 | : /* no outputs */ | ||
283 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
284 | } | ||
285 | |||
286 | static inline void _raw_writeq(u64 q, unsigned long addr) | ||
287 | { | ||
288 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_raw_writeq */" | ||
289 | : /* no outputs */ | ||
290 | : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
291 | } | ||
292 | |||
293 | #define __raw_readb(__addr) (_raw_readb((unsigned long)(__addr))) | ||
294 | #define __raw_readw(__addr) (_raw_readw((unsigned long)(__addr))) | ||
295 | #define __raw_readl(__addr) (_raw_readl((unsigned long)(__addr))) | ||
296 | #define __raw_readq(__addr) (_raw_readq((unsigned long)(__addr))) | ||
297 | #define __raw_writeb(__b, __addr) (_raw_writeb((u8)(__b), (unsigned long)(__addr))) | ||
298 | #define __raw_writew(__w, __addr) (_raw_writew((u16)(__w), (unsigned long)(__addr))) | ||
299 | #define __raw_writel(__l, __addr) (_raw_writel((u32)(__l), (unsigned long)(__addr))) | ||
300 | #define __raw_writeq(__q, __addr) (_raw_writeq((u64)(__q), (unsigned long)(__addr))) | ||
301 | |||
302 | /* Valid I/O Space regions are anywhere, because each PCI bus supported | ||
303 | * can live in an arbitrary area of the physical address range. | ||
304 | */ | ||
305 | #define IO_SPACE_LIMIT 0xffffffffffffffffUL | ||
306 | |||
307 | /* Now, SBUS variants, only difference from PCI is that we do | ||
308 | * not use little-endian ASIs. | ||
309 | */ | ||
310 | static inline u8 _sbus_readb(const volatile void __iomem *addr) | ||
311 | { | ||
312 | u8 ret; | ||
313 | |||
314 | __asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */" | ||
315 | : "=r" (ret) | ||
316 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
317 | : "memory"); | ||
318 | |||
319 | return ret; | ||
320 | } | ||
321 | |||
322 | static inline u16 _sbus_readw(const volatile void __iomem *addr) | ||
323 | { | ||
324 | u16 ret; | ||
325 | |||
326 | __asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */" | ||
327 | : "=r" (ret) | ||
328 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
329 | : "memory"); | ||
330 | |||
331 | return ret; | ||
332 | } | ||
333 | |||
334 | static inline u32 _sbus_readl(const volatile void __iomem *addr) | ||
335 | { | ||
336 | u32 ret; | ||
337 | |||
338 | __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */" | ||
339 | : "=r" (ret) | ||
340 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
341 | : "memory"); | ||
342 | |||
343 | return ret; | ||
344 | } | ||
345 | |||
346 | static inline u64 _sbus_readq(const volatile void __iomem *addr) | ||
347 | { | ||
348 | u64 ret; | ||
349 | |||
350 | __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */" | ||
351 | : "=r" (ret) | ||
352 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
353 | : "memory"); | ||
354 | |||
355 | return ret; | ||
356 | } | ||
357 | |||
358 | static inline void _sbus_writeb(u8 b, volatile void __iomem *addr) | ||
359 | { | ||
360 | __asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */" | ||
361 | : /* no outputs */ | ||
362 | : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
363 | : "memory"); | ||
364 | } | ||
365 | |||
366 | static inline void _sbus_writew(u16 w, volatile void __iomem *addr) | ||
367 | { | ||
368 | __asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */" | ||
369 | : /* no outputs */ | ||
370 | : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
371 | : "memory"); | ||
372 | } | ||
373 | |||
374 | static inline void _sbus_writel(u32 l, volatile void __iomem *addr) | ||
375 | { | ||
376 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */" | ||
377 | : /* no outputs */ | ||
378 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
379 | : "memory"); | ||
380 | } | ||
381 | |||
382 | static inline void _sbus_writeq(u64 l, volatile void __iomem *addr) | ||
383 | { | ||
384 | __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */" | ||
385 | : /* no outputs */ | ||
386 | : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E) | ||
387 | : "memory"); | ||
388 | } | ||
389 | |||
390 | #define sbus_readb(__addr) _sbus_readb(__addr) | ||
391 | #define sbus_readw(__addr) _sbus_readw(__addr) | ||
392 | #define sbus_readl(__addr) _sbus_readl(__addr) | ||
393 | #define sbus_readq(__addr) _sbus_readq(__addr) | ||
394 | #define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr) | ||
395 | #define sbus_writew(__w, __addr) _sbus_writew(__w, __addr) | ||
396 | #define sbus_writel(__l, __addr) _sbus_writel(__l, __addr) | ||
397 | #define sbus_writeq(__l, __addr) _sbus_writeq(__l, __addr) | ||
398 | |||
399 | static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
400 | { | ||
401 | while(n--) { | ||
402 | sbus_writeb(c, dst); | ||
403 | dst++; | ||
404 | } | ||
405 | } | ||
406 | |||
407 | #define sbus_memset_io(d,c,sz) _sbus_memset_io(d,c,sz) | ||
408 | |||
409 | static inline void | ||
410 | _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) | ||
411 | { | ||
412 | volatile void __iomem *d = dst; | ||
413 | |||
414 | while (n--) { | ||
415 | writeb(c, d); | ||
416 | d++; | ||
417 | } | ||
418 | } | ||
419 | |||
420 | #define memset_io(d,c,sz) _memset_io(d,c,sz) | ||
421 | |||
422 | static inline void | ||
423 | _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) | ||
424 | { | ||
425 | char *d = dst; | ||
426 | |||
427 | while (n--) { | ||
428 | char tmp = readb(src); | ||
429 | *d++ = tmp; | ||
430 | src++; | ||
431 | } | ||
432 | } | ||
433 | |||
434 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) | ||
435 | |||
436 | static inline void | ||
437 | _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) | ||
438 | { | ||
439 | const char *s = src; | ||
440 | volatile void __iomem *d = dst; | ||
441 | |||
442 | while (n--) { | ||
443 | char tmp = *s++; | ||
444 | writeb(tmp, d); | ||
445 | d++; | ||
446 | } | ||
447 | } | ||
448 | |||
449 | #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) | ||
450 | |||
451 | #define mmiowb() | ||
452 | |||
453 | #ifdef __KERNEL__ | ||
454 | |||
455 | /* On sparc64 we have the whole physical IO address space accessible | ||
456 | * using physically addressed loads and stores, so this does nothing. | ||
457 | */ | ||
458 | static inline void __iomem *ioremap(unsigned long offset, unsigned long size) | ||
459 | { | ||
460 | return (void __iomem *)offset; | ||
461 | } | ||
462 | |||
463 | #define ioremap_nocache(X,Y) ioremap((X),(Y)) | ||
464 | |||
465 | static inline void iounmap(volatile void __iomem *addr) | ||
466 | { | ||
467 | } | ||
468 | |||
469 | #define ioread8(X) readb(X) | ||
470 | #define ioread16(X) readw(X) | ||
471 | #define ioread32(X) readl(X) | ||
472 | #define iowrite8(val,X) writeb(val,X) | ||
473 | #define iowrite16(val,X) writew(val,X) | ||
474 | #define iowrite32(val,X) writel(val,X) | ||
475 | |||
476 | /* Create a virtual mapping cookie for an IO port range */ | ||
477 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
478 | extern void ioport_unmap(void __iomem *); | ||
479 | |||
480 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | ||
481 | struct pci_dev; | ||
482 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | ||
483 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *); | ||
484 | |||
485 | /* Similarly for SBUS. */ | ||
486 | #define sbus_ioremap(__res, __offset, __size, __name) \ | ||
487 | ({ unsigned long __ret; \ | ||
488 | __ret = (__res)->start + (((__res)->flags & 0x1ffUL) << 32UL); \ | ||
489 | __ret += (unsigned long) (__offset); \ | ||
490 | if (! request_region((__ret), (__size), (__name))) \ | ||
491 | __ret = 0UL; \ | ||
492 | (void __iomem *) __ret; \ | ||
493 | }) | ||
494 | |||
495 | #define sbus_iounmap(__addr, __size) \ | ||
496 | release_region((unsigned long)(__addr), (__size)) | ||
497 | |||
498 | /* | ||
499 | * Convert a physical pointer to a virtual kernel pointer for /dev/mem | ||
500 | * access | ||
501 | */ | ||
502 | #define xlate_dev_mem_ptr(p) __va(p) | ||
503 | |||
504 | /* | ||
505 | * Convert a virtual cached pointer to an uncached pointer | ||
506 | */ | ||
507 | #define xlate_dev_kmem_ptr(p) p | ||
508 | |||
509 | #endif | ||
510 | |||
511 | #endif /* !(__SPARC64_IO_H) */ | ||
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h index d7b9afcba08b..76252bb85e97 100644 --- a/include/asm-sparc64/iommu.h +++ b/include/asm-sparc64/iommu.h | |||
@@ -1,62 +1 @@ | |||
1 | /* iommu.h: Definitions for the sun5 IOMMU. | #include <asm-sparc/iommu.h> | |
2 | * | ||
3 | * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | #ifndef _SPARC64_IOMMU_H | ||
6 | #define _SPARC64_IOMMU_H | ||
7 | |||
8 | /* The format of an iopte in the page tables. */ | ||
9 | #define IOPTE_VALID 0x8000000000000000UL | ||
10 | #define IOPTE_64K 0x2000000000000000UL | ||
11 | #define IOPTE_STBUF 0x1000000000000000UL | ||
12 | #define IOPTE_INTRA 0x0800000000000000UL | ||
13 | #define IOPTE_CONTEXT 0x07ff800000000000UL | ||
14 | #define IOPTE_PAGE 0x00007fffffffe000UL | ||
15 | #define IOPTE_CACHE 0x0000000000000010UL | ||
16 | #define IOPTE_WRITE 0x0000000000000002UL | ||
17 | |||
18 | #define IOMMU_NUM_CTXS 4096 | ||
19 | |||
20 | struct iommu_arena { | ||
21 | unsigned long *map; | ||
22 | unsigned int hint; | ||
23 | unsigned int limit; | ||
24 | }; | ||
25 | |||
26 | struct iommu { | ||
27 | spinlock_t lock; | ||
28 | struct iommu_arena arena; | ||
29 | void (*flush_all)(struct iommu *); | ||
30 | iopte_t *page_table; | ||
31 | u32 page_table_map_base; | ||
32 | unsigned long iommu_control; | ||
33 | unsigned long iommu_tsbbase; | ||
34 | unsigned long iommu_flush; | ||
35 | unsigned long iommu_flushinv; | ||
36 | unsigned long iommu_tags; | ||
37 | unsigned long iommu_ctxflush; | ||
38 | unsigned long write_complete_reg; | ||
39 | unsigned long dummy_page; | ||
40 | unsigned long dummy_page_pa; | ||
41 | unsigned long ctx_lowest_free; | ||
42 | DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS); | ||
43 | u32 dma_addr_mask; | ||
44 | }; | ||
45 | |||
46 | struct strbuf { | ||
47 | int strbuf_enabled; | ||
48 | unsigned long strbuf_control; | ||
49 | unsigned long strbuf_pflush; | ||
50 | unsigned long strbuf_fsync; | ||
51 | unsigned long strbuf_ctxflush; | ||
52 | unsigned long strbuf_ctxmatch_base; | ||
53 | unsigned long strbuf_flushflag_pa; | ||
54 | volatile unsigned long *strbuf_flushflag; | ||
55 | volatile unsigned long __flushflag_buf[(64+(64-1)) / sizeof(long)]; | ||
56 | }; | ||
57 | |||
58 | extern int iommu_table_init(struct iommu *iommu, int tsbsize, | ||
59 | u32 dma_offset, u32 dma_addr_mask, | ||
60 | int numa_node); | ||
61 | |||
62 | #endif /* !(_SPARC64_IOMMU_H) */ | ||
diff --git a/include/asm-sparc64/ipcbuf.h b/include/asm-sparc64/ipcbuf.h index 9c5bf1bc423f..41dfaf1149b5 100644 --- a/include/asm-sparc64/ipcbuf.h +++ b/include/asm-sparc64/ipcbuf.h | |||
@@ -1,28 +1 @@ | |||
1 | #ifndef _SPARC64_IPCBUF_H | #include <asm-sparc/ipcbuf.h> | |
2 | #define _SPARC64_IPCBUF_H | ||
3 | |||
4 | /* | ||
5 | * The ipc64_perm structure for sparc64 architecture. | ||
6 | * Note extra padding because this structure is passed back and forth | ||
7 | * between kernel and user space. | ||
8 | * | ||
9 | * Pad space is left for: | ||
10 | * - 32-bit seq | ||
11 | * - 2 miscellaneous 64-bit values | ||
12 | */ | ||
13 | |||
14 | struct ipc64_perm | ||
15 | { | ||
16 | __kernel_key_t key; | ||
17 | __kernel_uid_t uid; | ||
18 | __kernel_gid_t gid; | ||
19 | __kernel_uid_t cuid; | ||
20 | __kernel_gid_t cgid; | ||
21 | __kernel_mode_t mode; | ||
22 | unsigned short __pad1; | ||
23 | unsigned short seq; | ||
24 | unsigned long __unused1; | ||
25 | unsigned long __unused2; | ||
26 | }; | ||
27 | |||
28 | #endif /* _SPARC64_IPCBUF_H */ | ||
diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h index 0bb9bf531745..b2102e65947c 100644 --- a/include/asm-sparc64/irq.h +++ b/include/asm-sparc64/irq.h | |||
@@ -1,93 +1 @@ | |||
1 | /* irq.h: IRQ registers on the 64-bit Sparc. | #include <asm-sparc/irq.h> | |
2 | * | ||
3 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_IRQ_H | ||
8 | #define _SPARC64_IRQ_H | ||
9 | |||
10 | #include <linux/linkage.h> | ||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/errno.h> | ||
13 | #include <linux/interrupt.h> | ||
14 | #include <asm/pil.h> | ||
15 | #include <asm/ptrace.h> | ||
16 | |||
17 | /* IMAP/ICLR register defines */ | ||
18 | #define IMAP_VALID 0x80000000UL /* IRQ Enabled */ | ||
19 | #define IMAP_TID_UPA 0x7c000000UL /* UPA TargetID */ | ||
20 | #define IMAP_TID_JBUS 0x7c000000UL /* JBUS TargetID */ | ||
21 | #define IMAP_TID_SHIFT 26 | ||
22 | #define IMAP_AID_SAFARI 0x7c000000UL /* Safari AgentID */ | ||
23 | #define IMAP_AID_SHIFT 26 | ||
24 | #define IMAP_NID_SAFARI 0x03e00000UL /* Safari NodeID */ | ||
25 | #define IMAP_NID_SHIFT 21 | ||
26 | #define IMAP_IGN 0x000007c0UL /* IRQ Group Number */ | ||
27 | #define IMAP_INO 0x0000003fUL /* IRQ Number */ | ||
28 | #define IMAP_INR 0x000007ffUL /* Full interrupt number*/ | ||
29 | |||
30 | #define ICLR_IDLE 0x00000000UL /* Idle state */ | ||
31 | #define ICLR_TRANSMIT 0x00000001UL /* Transmit state */ | ||
32 | #define ICLR_PENDING 0x00000003UL /* Pending state */ | ||
33 | |||
34 | /* The largest number of unique interrupt sources we support. | ||
35 | * If this needs to ever be larger than 255, you need to change | ||
36 | * the type of ino_bucket->virt_irq as appropriate. | ||
37 | * | ||
38 | * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq(). | ||
39 | */ | ||
40 | #define NR_IRQS 255 | ||
41 | |||
42 | extern void irq_install_pre_handler(int virt_irq, | ||
43 | void (*func)(unsigned int, void *, void *), | ||
44 | void *arg1, void *arg2); | ||
45 | #define irq_canonicalize(irq) (irq) | ||
46 | extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); | ||
47 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); | ||
48 | extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino); | ||
49 | extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, | ||
50 | unsigned int msi_devino_start, | ||
51 | unsigned int msi_devino_end); | ||
52 | extern void sun4v_destroy_msi(unsigned int virt_irq); | ||
53 | extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p, | ||
54 | unsigned int msi_devino_start, | ||
55 | unsigned int msi_devino_end, | ||
56 | unsigned long imap_base, | ||
57 | unsigned long iclr_base); | ||
58 | extern void sun4u_destroy_msi(unsigned int virt_irq); | ||
59 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); | ||
60 | |||
61 | extern unsigned char virt_irq_alloc(unsigned int dev_handle, | ||
62 | unsigned int dev_ino); | ||
63 | #ifdef CONFIG_PCI_MSI | ||
64 | extern void virt_irq_free(unsigned int virt_irq); | ||
65 | #endif | ||
66 | |||
67 | extern void __init init_IRQ(void); | ||
68 | extern void fixup_irqs(void); | ||
69 | |||
70 | static inline void set_softint(unsigned long bits) | ||
71 | { | ||
72 | __asm__ __volatile__("wr %0, 0x0, %%set_softint" | ||
73 | : /* No outputs */ | ||
74 | : "r" (bits)); | ||
75 | } | ||
76 | |||
77 | static inline void clear_softint(unsigned long bits) | ||
78 | { | ||
79 | __asm__ __volatile__("wr %0, 0x0, %%clear_softint" | ||
80 | : /* No outputs */ | ||
81 | : "r" (bits)); | ||
82 | } | ||
83 | |||
84 | static inline unsigned long get_softint(void) | ||
85 | { | ||
86 | unsigned long retval; | ||
87 | |||
88 | __asm__ __volatile__("rd %%softint, %0" | ||
89 | : "=r" (retval)); | ||
90 | return retval; | ||
91 | } | ||
92 | |||
93 | #endif | ||
diff --git a/include/asm-sparc64/irqflags.h b/include/asm-sparc64/irqflags.h index 024fc54d0682..27b091fc3fa0 100644 --- a/include/asm-sparc64/irqflags.h +++ b/include/asm-sparc64/irqflags.h | |||
@@ -1,89 +1 @@ | |||
1 | /* | #include <asm-sparc/irqflags.h> | |
2 | * include/asm-sparc64/irqflags.h | ||
3 | * | ||
4 | * IRQ flags handling | ||
5 | * | ||
6 | * This file gets included from lowlevel asm headers too, to provide | ||
7 | * wrapped versions of the local_irq_*() APIs, based on the | ||
8 | * raw_local_irq_*() functions from the lowlevel headers. | ||
9 | */ | ||
10 | #ifndef _ASM_IRQFLAGS_H | ||
11 | #define _ASM_IRQFLAGS_H | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | static inline unsigned long __raw_local_save_flags(void) | ||
16 | { | ||
17 | unsigned long flags; | ||
18 | |||
19 | __asm__ __volatile__( | ||
20 | "rdpr %%pil, %0" | ||
21 | : "=r" (flags) | ||
22 | ); | ||
23 | |||
24 | return flags; | ||
25 | } | ||
26 | |||
27 | #define raw_local_save_flags(flags) \ | ||
28 | do { (flags) = __raw_local_save_flags(); } while (0) | ||
29 | |||
30 | static inline void raw_local_irq_restore(unsigned long flags) | ||
31 | { | ||
32 | __asm__ __volatile__( | ||
33 | "wrpr %0, %%pil" | ||
34 | : /* no output */ | ||
35 | : "r" (flags) | ||
36 | : "memory" | ||
37 | ); | ||
38 | } | ||
39 | |||
40 | static inline void raw_local_irq_disable(void) | ||
41 | { | ||
42 | __asm__ __volatile__( | ||
43 | "wrpr 15, %%pil" | ||
44 | : /* no outputs */ | ||
45 | : /* no inputs */ | ||
46 | : "memory" | ||
47 | ); | ||
48 | } | ||
49 | |||
50 | static inline void raw_local_irq_enable(void) | ||
51 | { | ||
52 | __asm__ __volatile__( | ||
53 | "wrpr 0, %%pil" | ||
54 | : /* no outputs */ | ||
55 | : /* no inputs */ | ||
56 | : "memory" | ||
57 | ); | ||
58 | } | ||
59 | |||
60 | static inline int raw_irqs_disabled_flags(unsigned long flags) | ||
61 | { | ||
62 | return (flags > 0); | ||
63 | } | ||
64 | |||
65 | static inline int raw_irqs_disabled(void) | ||
66 | { | ||
67 | unsigned long flags = __raw_local_save_flags(); | ||
68 | |||
69 | return raw_irqs_disabled_flags(flags); | ||
70 | } | ||
71 | |||
72 | /* | ||
73 | * For spinlocks, etc: | ||
74 | */ | ||
75 | static inline unsigned long __raw_local_irq_save(void) | ||
76 | { | ||
77 | unsigned long flags = __raw_local_save_flags(); | ||
78 | |||
79 | raw_local_irq_disable(); | ||
80 | |||
81 | return flags; | ||
82 | } | ||
83 | |||
84 | #define raw_local_irq_save(flags) \ | ||
85 | do { (flags) = __raw_local_irq_save(); } while (0) | ||
86 | |||
87 | #endif /* (__ASSEMBLY__) */ | ||
88 | |||
89 | #endif /* !(_ASM_IRQFLAGS_H) */ | ||
diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index f905b773235a..78cfd5d2749b 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h | |||
@@ -1,19 +1 @@ | |||
1 | #ifndef _SPARC64_KDEBUG_H | #include <asm-sparc/kdebug.h> | |
2 | #define _SPARC64_KDEBUG_H | ||
3 | |||
4 | struct pt_regs; | ||
5 | |||
6 | extern void bad_trap(struct pt_regs *, long); | ||
7 | |||
8 | /* Grossly misnamed. */ | ||
9 | enum die_val { | ||
10 | DIE_OOPS = 1, | ||
11 | DIE_DEBUG, /* ta 0x70 */ | ||
12 | DIE_DEBUG_2, /* ta 0x71 */ | ||
13 | DIE_DIE, | ||
14 | DIE_TRAP, | ||
15 | DIE_TRAP_TL1, | ||
16 | DIE_CALL, | ||
17 | }; | ||
18 | |||
19 | #endif | ||
diff --git a/include/asm-sparc64/mc146818rtc.h b/include/asm-sparc64/mc146818rtc.h index e9c0fcc25c6f..97842e6ed1c2 100644 --- a/include/asm-sparc64/mc146818rtc.h +++ b/include/asm-sparc64/mc146818rtc.h | |||
@@ -1,34 +1 @@ | |||
1 | /* | #include <asm-sparc/mc146818rtc.h> | |
2 | * Machine dependent access functions for RTC registers. | ||
3 | */ | ||
4 | #ifndef __ASM_SPARC64_MC146818RTC_H | ||
5 | #define __ASM_SPARC64_MC146818RTC_H | ||
6 | |||
7 | #include <asm/io.h> | ||
8 | |||
9 | #ifndef RTC_PORT | ||
10 | #ifdef CONFIG_PCI | ||
11 | extern unsigned long ds1287_regs; | ||
12 | #else | ||
13 | #define ds1287_regs (0UL) | ||
14 | #endif | ||
15 | #define RTC_PORT(x) (ds1287_regs + (x)) | ||
16 | #define RTC_ALWAYS_BCD 0 | ||
17 | #endif | ||
18 | |||
19 | /* | ||
20 | * The yet supported machines all access the RTC index register via | ||
21 | * an ISA port access but the way to access the date register differs ... | ||
22 | */ | ||
23 | #define CMOS_READ(addr) ({ \ | ||
24 | outb_p((addr),RTC_PORT(0)); \ | ||
25 | inb_p(RTC_PORT(1)); \ | ||
26 | }) | ||
27 | #define CMOS_WRITE(val, addr) ({ \ | ||
28 | outb_p((addr),RTC_PORT(0)); \ | ||
29 | outb_p((val),RTC_PORT(1)); \ | ||
30 | }) | ||
31 | |||
32 | #define RTC_IRQ 8 | ||
33 | |||
34 | #endif /* __ASM_SPARC64_MC146818RTC_H */ | ||
diff --git a/include/asm-sparc64/mmu.h b/include/asm-sparc64/mmu.h index 8abc58f0f9d7..e677a64d8db1 100644 --- a/include/asm-sparc64/mmu.h +++ b/include/asm-sparc64/mmu.h | |||
@@ -1,127 +1 @@ | |||
1 | #ifndef __MMU_H | #include <asm-sparc/mmu.h> | |
2 | #define __MMU_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | #include <asm/page.h> | ||
6 | #include <asm/hypervisor.h> | ||
7 | |||
8 | #define CTX_NR_BITS 13 | ||
9 | |||
10 | #define TAG_CONTEXT_BITS ((_AC(1,UL) << CTX_NR_BITS) - _AC(1,UL)) | ||
11 | |||
12 | /* UltraSPARC-III+ and later have a feature whereby you can | ||
13 | * select what page size the various Data-TLB instances in the | ||
14 | * chip. In order to gracefully support this, we put the version | ||
15 | * field in a spot outside of the areas of the context register | ||
16 | * where this parameter is specified. | ||
17 | */ | ||
18 | #define CTX_VERSION_SHIFT 22 | ||
19 | #define CTX_VERSION_MASK ((~0UL) << CTX_VERSION_SHIFT) | ||
20 | |||
21 | #define CTX_PGSZ_8KB _AC(0x0,UL) | ||
22 | #define CTX_PGSZ_64KB _AC(0x1,UL) | ||
23 | #define CTX_PGSZ_512KB _AC(0x2,UL) | ||
24 | #define CTX_PGSZ_4MB _AC(0x3,UL) | ||
25 | #define CTX_PGSZ_BITS _AC(0x7,UL) | ||
26 | #define CTX_PGSZ0_NUC_SHIFT 61 | ||
27 | #define CTX_PGSZ1_NUC_SHIFT 58 | ||
28 | #define CTX_PGSZ0_SHIFT 16 | ||
29 | #define CTX_PGSZ1_SHIFT 19 | ||
30 | #define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \ | ||
31 | (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT)) | ||
32 | |||
33 | #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) | ||
34 | #define CTX_PGSZ_BASE CTX_PGSZ_8KB | ||
35 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) | ||
36 | #define CTX_PGSZ_BASE CTX_PGSZ_64KB | ||
37 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB) | ||
38 | #define CTX_PGSZ_BASE CTX_PGSZ_512KB | ||
39 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB) | ||
40 | #define CTX_PGSZ_BASE CTX_PGSZ_4MB | ||
41 | #else | ||
42 | #error No page size specified in kernel configuration | ||
43 | #endif | ||
44 | |||
45 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
46 | #define CTX_PGSZ_HUGE CTX_PGSZ_4MB | ||
47 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
48 | #define CTX_PGSZ_HUGE CTX_PGSZ_512KB | ||
49 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
50 | #define CTX_PGSZ_HUGE CTX_PGSZ_64KB | ||
51 | #endif | ||
52 | |||
53 | #define CTX_PGSZ_KERN CTX_PGSZ_4MB | ||
54 | |||
55 | /* Thus, when running on UltraSPARC-III+ and later, we use the following | ||
56 | * PRIMARY_CONTEXT register values for the kernel context. | ||
57 | */ | ||
58 | #define CTX_CHEETAH_PLUS_NUC \ | ||
59 | ((CTX_PGSZ_KERN << CTX_PGSZ0_NUC_SHIFT) | \ | ||
60 | (CTX_PGSZ_BASE << CTX_PGSZ1_NUC_SHIFT)) | ||
61 | |||
62 | #define CTX_CHEETAH_PLUS_CTX0 \ | ||
63 | ((CTX_PGSZ_KERN << CTX_PGSZ0_SHIFT) | \ | ||
64 | (CTX_PGSZ_BASE << CTX_PGSZ1_SHIFT)) | ||
65 | |||
66 | /* If you want "the TLB context number" use CTX_NR_MASK. If you | ||
67 | * want "the bits I program into the context registers" use | ||
68 | * CTX_HW_MASK. | ||
69 | */ | ||
70 | #define CTX_NR_MASK TAG_CONTEXT_BITS | ||
71 | #define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK) | ||
72 | |||
73 | #define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL)) | ||
74 | #define CTX_VALID(__ctx) \ | ||
75 | (!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK)) | ||
76 | #define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK) | ||
77 | #define CTX_NRBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_NR_MASK) | ||
78 | |||
79 | #ifndef __ASSEMBLY__ | ||
80 | |||
81 | #define TSB_ENTRY_ALIGNMENT 16 | ||
82 | |||
83 | struct tsb { | ||
84 | unsigned long tag; | ||
85 | unsigned long pte; | ||
86 | } __attribute__((aligned(TSB_ENTRY_ALIGNMENT))); | ||
87 | |||
88 | extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte); | ||
89 | extern void tsb_flush(unsigned long ent, unsigned long tag); | ||
90 | extern void tsb_init(struct tsb *tsb, unsigned long size); | ||
91 | |||
92 | struct tsb_config { | ||
93 | struct tsb *tsb; | ||
94 | unsigned long tsb_rss_limit; | ||
95 | unsigned long tsb_nentries; | ||
96 | unsigned long tsb_reg_val; | ||
97 | unsigned long tsb_map_vaddr; | ||
98 | unsigned long tsb_map_pte; | ||
99 | }; | ||
100 | |||
101 | #define MM_TSB_BASE 0 | ||
102 | |||
103 | #ifdef CONFIG_HUGETLB_PAGE | ||
104 | #define MM_TSB_HUGE 1 | ||
105 | #define MM_NUM_TSBS 2 | ||
106 | #else | ||
107 | #define MM_NUM_TSBS 1 | ||
108 | #endif | ||
109 | |||
110 | typedef struct { | ||
111 | spinlock_t lock; | ||
112 | unsigned long sparc64_ctx_val; | ||
113 | unsigned long huge_pte_count; | ||
114 | struct tsb_config tsb_block[MM_NUM_TSBS]; | ||
115 | struct hv_tsb_descr tsb_descr[MM_NUM_TSBS]; | ||
116 | } mm_context_t; | ||
117 | |||
118 | #endif /* !__ASSEMBLY__ */ | ||
119 | |||
120 | #define TSB_CONFIG_TSB 0x00 | ||
121 | #define TSB_CONFIG_RSS_LIMIT 0x08 | ||
122 | #define TSB_CONFIG_NENTRIES 0x10 | ||
123 | #define TSB_CONFIG_REG_VAL 0x18 | ||
124 | #define TSB_CONFIG_MAP_VADDR 0x20 | ||
125 | #define TSB_CONFIG_MAP_PTE 0x28 | ||
126 | |||
127 | #endif /* __MMU_H */ | ||
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h index 5693ab482606..877fee94bd4e 100644 --- a/include/asm-sparc64/mmu_context.h +++ b/include/asm-sparc64/mmu_context.h | |||
@@ -1,155 +1 @@ | |||
1 | #ifndef __SPARC64_MMU_CONTEXT_H | #include <asm-sparc/mmu_context.h> | |
2 | #define __SPARC64_MMU_CONTEXT_H | ||
3 | |||
4 | /* Derived heavily from Linus's Alpha/AXP ASN code... */ | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <linux/spinlock.h> | ||
9 | #include <asm/system.h> | ||
10 | #include <asm/spitfire.h> | ||
11 | #include <asm-generic/mm_hooks.h> | ||
12 | |||
13 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | ||
14 | { | ||
15 | } | ||
16 | |||
17 | extern spinlock_t ctx_alloc_lock; | ||
18 | extern unsigned long tlb_context_cache; | ||
19 | extern unsigned long mmu_context_bmap[]; | ||
20 | |||
21 | extern void get_new_mmu_context(struct mm_struct *mm); | ||
22 | #ifdef CONFIG_SMP | ||
23 | extern void smp_new_mmu_context_version(void); | ||
24 | #else | ||
25 | #define smp_new_mmu_context_version() do { } while (0) | ||
26 | #endif | ||
27 | |||
28 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); | ||
29 | extern void destroy_context(struct mm_struct *mm); | ||
30 | |||
31 | extern void __tsb_context_switch(unsigned long pgd_pa, | ||
32 | struct tsb_config *tsb_base, | ||
33 | struct tsb_config *tsb_huge, | ||
34 | unsigned long tsb_descr_pa); | ||
35 | |||
36 | static inline void tsb_context_switch(struct mm_struct *mm) | ||
37 | { | ||
38 | __tsb_context_switch(__pa(mm->pgd), | ||
39 | &mm->context.tsb_block[0], | ||
40 | #ifdef CONFIG_HUGETLB_PAGE | ||
41 | (mm->context.tsb_block[1].tsb ? | ||
42 | &mm->context.tsb_block[1] : | ||
43 | NULL) | ||
44 | #else | ||
45 | NULL | ||
46 | #endif | ||
47 | , __pa(&mm->context.tsb_descr[0])); | ||
48 | } | ||
49 | |||
50 | extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss); | ||
51 | #ifdef CONFIG_SMP | ||
52 | extern void smp_tsb_sync(struct mm_struct *mm); | ||
53 | #else | ||
54 | #define smp_tsb_sync(__mm) do { } while (0) | ||
55 | #endif | ||
56 | |||
57 | /* Set MMU context in the actual hardware. */ | ||
58 | #define load_secondary_context(__mm) \ | ||
59 | __asm__ __volatile__( \ | ||
60 | "\n661: stxa %0, [%1] %2\n" \ | ||
61 | " .section .sun4v_1insn_patch, \"ax\"\n" \ | ||
62 | " .word 661b\n" \ | ||
63 | " stxa %0, [%1] %3\n" \ | ||
64 | " .previous\n" \ | ||
65 | " flush %%g6\n" \ | ||
66 | : /* No outputs */ \ | ||
67 | : "r" (CTX_HWBITS((__mm)->context)), \ | ||
68 | "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU)) | ||
69 | |||
70 | extern void __flush_tlb_mm(unsigned long, unsigned long); | ||
71 | |||
72 | /* Switch the current MM context. Interrupts are disabled. */ | ||
73 | static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) | ||
74 | { | ||
75 | unsigned long ctx_valid, flags; | ||
76 | int cpu; | ||
77 | |||
78 | if (unlikely(mm == &init_mm)) | ||
79 | return; | ||
80 | |||
81 | spin_lock_irqsave(&mm->context.lock, flags); | ||
82 | ctx_valid = CTX_VALID(mm->context); | ||
83 | if (!ctx_valid) | ||
84 | get_new_mmu_context(mm); | ||
85 | |||
86 | /* We have to be extremely careful here or else we will miss | ||
87 | * a TSB grow if we switch back and forth between a kernel | ||
88 | * thread and an address space which has it's TSB size increased | ||
89 | * on another processor. | ||
90 | * | ||
91 | * It is possible to play some games in order to optimize the | ||
92 | * switch, but the safest thing to do is to unconditionally | ||
93 | * perform the secondary context load and the TSB context switch. | ||
94 | * | ||
95 | * For reference the bad case is, for address space "A": | ||
96 | * | ||
97 | * CPU 0 CPU 1 | ||
98 | * run address space A | ||
99 | * set cpu0's bits in cpu_vm_mask | ||
100 | * switch to kernel thread, borrow | ||
101 | * address space A via entry_lazy_tlb | ||
102 | * run address space A | ||
103 | * set cpu1's bit in cpu_vm_mask | ||
104 | * flush_tlb_pending() | ||
105 | * reset cpu_vm_mask to just cpu1 | ||
106 | * TSB grow | ||
107 | * run address space A | ||
108 | * context was valid, so skip | ||
109 | * TSB context switch | ||
110 | * | ||
111 | * At that point cpu0 continues to use a stale TSB, the one from | ||
112 | * before the TSB grow performed on cpu1. cpu1 did not cross-call | ||
113 | * cpu0 to update it's TSB because at that point the cpu_vm_mask | ||
114 | * only had cpu1 set in it. | ||
115 | */ | ||
116 | load_secondary_context(mm); | ||
117 | tsb_context_switch(mm); | ||
118 | |||
119 | /* Any time a processor runs a context on an address space | ||
120 | * for the first time, we must flush that context out of the | ||
121 | * local TLB. | ||
122 | */ | ||
123 | cpu = smp_processor_id(); | ||
124 | if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) { | ||
125 | cpu_set(cpu, mm->cpu_vm_mask); | ||
126 | __flush_tlb_mm(CTX_HWBITS(mm->context), | ||
127 | SECONDARY_CONTEXT); | ||
128 | } | ||
129 | spin_unlock_irqrestore(&mm->context.lock, flags); | ||
130 | } | ||
131 | |||
132 | #define deactivate_mm(tsk,mm) do { } while (0) | ||
133 | |||
134 | /* Activate a new MM instance for the current task. */ | ||
135 | static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm) | ||
136 | { | ||
137 | unsigned long flags; | ||
138 | int cpu; | ||
139 | |||
140 | spin_lock_irqsave(&mm->context.lock, flags); | ||
141 | if (!CTX_VALID(mm->context)) | ||
142 | get_new_mmu_context(mm); | ||
143 | cpu = smp_processor_id(); | ||
144 | if (!cpu_isset(cpu, mm->cpu_vm_mask)) | ||
145 | cpu_set(cpu, mm->cpu_vm_mask); | ||
146 | |||
147 | load_secondary_context(mm); | ||
148 | __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); | ||
149 | tsb_context_switch(mm); | ||
150 | spin_unlock_irqrestore(&mm->context.lock, flags); | ||
151 | } | ||
152 | |||
153 | #endif /* !(__ASSEMBLY__) */ | ||
154 | |||
155 | #endif /* !(__SPARC64_MMU_CONTEXT_H) */ | ||
diff --git a/include/asm-sparc64/module.h b/include/asm-sparc64/module.h index 3d77ba465783..a9606db55e4a 100644 --- a/include/asm-sparc64/module.h +++ b/include/asm-sparc64/module.h | |||
@@ -1,7 +1 @@ | |||
1 | #ifndef _ASM_SPARC64_MODULE_H | #include <asm-sparc/module.h> | |
2 | #define _ASM_SPARC64_MODULE_H | ||
3 | struct mod_arch_specific { }; | ||
4 | #define Elf_Shdr Elf64_Shdr | ||
5 | #define Elf_Sym Elf64_Sym | ||
6 | #define Elf_Ehdr Elf64_Ehdr | ||
7 | #endif /* _ASM_SPARC64_MODULE_H */ | ||
diff --git a/include/asm-sparc64/mostek.h b/include/asm-sparc64/mostek.h index c5652de2ace2..95a752f7e875 100644 --- a/include/asm-sparc64/mostek.h +++ b/include/asm-sparc64/mostek.h | |||
@@ -1,143 +1 @@ | |||
1 | /* mostek.h: Describes the various Mostek time of day clock registers. | #include <asm-sparc/mostek.h> | |
2 | * | ||
3 | * Copyright (C) 1995 David S. Miller (davem@davemloft.net) | ||
4 | * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_MOSTEK_H | ||
8 | #define _SPARC64_MOSTEK_H | ||
9 | |||
10 | #include <asm/idprom.h> | ||
11 | |||
12 | /* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) | ||
13 | * | ||
14 | * Data | ||
15 | * Address Function | ||
16 | * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 | ||
17 | * 7ff - - - - - - - - Year 00-99 | ||
18 | * 7fe 0 0 0 - - - - - Month 01-12 | ||
19 | * 7fd 0 0 - - - - - - Date 01-31 | ||
20 | * 7fc 0 FT 0 0 0 - - - Day 01-07 | ||
21 | * 7fb KS 0 - - - - - - Hours 00-23 | ||
22 | * 7fa 0 - - - - - - - Minutes 00-59 | ||
23 | * 7f9 ST - - - - - - - Seconds 00-59 | ||
24 | * 7f8 W R S - - - - - Control | ||
25 | * | ||
26 | * * ST is STOP BIT | ||
27 | * * W is WRITE BIT | ||
28 | * * R is READ BIT | ||
29 | * * S is SIGN BIT | ||
30 | * * FT is FREQ TEST BIT | ||
31 | * * KS is KICK START BIT | ||
32 | */ | ||
33 | |||
34 | /* The Mostek 48t02 real time clock and NVRAM chip. The registers | ||
35 | * other than the control register are in binary coded decimal. Some | ||
36 | * control bits also live outside the control register. | ||
37 | * | ||
38 | * We now deal with physical addresses for I/O to the chip. -DaveM | ||
39 | */ | ||
40 | static inline u8 mostek_read(void __iomem *addr) | ||
41 | { | ||
42 | u8 ret; | ||
43 | |||
44 | __asm__ __volatile__("lduba [%1] %2, %0" | ||
45 | : "=r" (ret) | ||
46 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
47 | return ret; | ||
48 | } | ||
49 | |||
50 | static inline void mostek_write(void __iomem *addr, u8 val) | ||
51 | { | ||
52 | __asm__ __volatile__("stba %0, [%1] %2" | ||
53 | : /* no outputs */ | ||
54 | : "r" (val), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
55 | } | ||
56 | |||
57 | #define MOSTEK_EEPROM 0x0000UL | ||
58 | #define MOSTEK_IDPROM 0x07d8UL | ||
59 | #define MOSTEK_CREG 0x07f8UL | ||
60 | #define MOSTEK_SEC 0x07f9UL | ||
61 | #define MOSTEK_MIN 0x07faUL | ||
62 | #define MOSTEK_HOUR 0x07fbUL | ||
63 | #define MOSTEK_DOW 0x07fcUL | ||
64 | #define MOSTEK_DOM 0x07fdUL | ||
65 | #define MOSTEK_MONTH 0x07feUL | ||
66 | #define MOSTEK_YEAR 0x07ffUL | ||
67 | |||
68 | extern spinlock_t mostek_lock; | ||
69 | extern void __iomem *mstk48t02_regs; | ||
70 | |||
71 | /* Control register values. */ | ||
72 | #define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ | ||
73 | #define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ | ||
74 | #define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ | ||
75 | |||
76 | /* Control bits that live in the other registers. */ | ||
77 | #define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ | ||
78 | #define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ | ||
79 | #define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ | ||
80 | |||
81 | #define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ | ||
82 | #define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) | ||
83 | |||
84 | /* Masks that define how much space each value takes up. */ | ||
85 | #define MSTK_SEC_MASK 0x7f | ||
86 | #define MSTK_MIN_MASK 0x7f | ||
87 | #define MSTK_HOUR_MASK 0x3f | ||
88 | #define MSTK_DOW_MASK 0x07 | ||
89 | #define MSTK_DOM_MASK 0x3f | ||
90 | #define MSTK_MONTH_MASK 0x1f | ||
91 | #define MSTK_YEAR_MASK 0xffU | ||
92 | |||
93 | /* Binary coded decimal conversion macros. */ | ||
94 | #define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) | ||
95 | #define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) | ||
96 | |||
97 | /* Generic register set and get macros for internal use. */ | ||
98 | #define MSTK_GET(regs,name) \ | ||
99 | (MSTK_REGVAL_TO_DECIMAL(mostek_read(regs + MOSTEK_ ## name) & MSTK_ ## name ## _MASK)) | ||
100 | #define MSTK_SET(regs,name,value) \ | ||
101 | do { u8 __val = mostek_read(regs + MOSTEK_ ## name); \ | ||
102 | __val &= ~(MSTK_ ## name ## _MASK); \ | ||
103 | __val |= (MSTK_DECIMAL_TO_REGVAL(value) & \ | ||
104 | (MSTK_ ## name ## _MASK)); \ | ||
105 | mostek_write(regs + MOSTEK_ ## name, __val); \ | ||
106 | } while(0) | ||
107 | |||
108 | /* Macros to make register access easier on our fingers. These give you | ||
109 | * the decimal value of the register requested if applicable. You pass | ||
110 | * the a pointer to a 'struct mostek48t02'. | ||
111 | */ | ||
112 | #define MSTK_REG_CREG(regs) (mostek_read((regs) + MOSTEK_CREG)) | ||
113 | #define MSTK_REG_SEC(regs) MSTK_GET(regs,SEC) | ||
114 | #define MSTK_REG_MIN(regs) MSTK_GET(regs,MIN) | ||
115 | #define MSTK_REG_HOUR(regs) MSTK_GET(regs,HOUR) | ||
116 | #define MSTK_REG_DOW(regs) MSTK_GET(regs,DOW) | ||
117 | #define MSTK_REG_DOM(regs) MSTK_GET(regs,DOM) | ||
118 | #define MSTK_REG_MONTH(regs) MSTK_GET(regs,MONTH) | ||
119 | #define MSTK_REG_YEAR(regs) MSTK_GET(regs,YEAR) | ||
120 | |||
121 | #define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,SEC,value) | ||
122 | #define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,MIN,value) | ||
123 | #define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,HOUR,value) | ||
124 | #define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,DOW,value) | ||
125 | #define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,DOM,value) | ||
126 | #define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,MONTH,value) | ||
127 | #define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,YEAR,value) | ||
128 | |||
129 | |||
130 | /* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the | ||
131 | * same (basically) layout of the 48t02 chip except for the extra | ||
132 | * NVRAM on board (8 KB against the 48t02's 2 KB). | ||
133 | */ | ||
134 | #define MOSTEK_48T08_OFFSET 0x0000UL /* Lower NVRAM portions */ | ||
135 | #define MOSTEK_48T08_48T02 0x1800UL /* Offset to 48T02 chip */ | ||
136 | |||
137 | /* SUN5 systems usually have 48t59 model clock chipsets. But we keep the older | ||
138 | * clock chip definitions around just in case. | ||
139 | */ | ||
140 | #define MOSTEK_48T59_OFFSET 0x0000UL /* Lower NVRAM portions */ | ||
141 | #define MOSTEK_48T59_48T02 0x1800UL /* Offset to 48T02 chip */ | ||
142 | |||
143 | #endif /* !(_SPARC64_MOSTEK_H) */ | ||
diff --git a/include/asm-sparc64/namei.h b/include/asm-sparc64/namei.h index cbc1b4c06891..1344a910ba2f 100644 --- a/include/asm-sparc64/namei.h +++ b/include/asm-sparc64/namei.h | |||
@@ -1,13 +1 @@ | |||
1 | /* | #include <asm-sparc/namei.h> | |
2 | * linux/include/asm-sparc64/namei.h | ||
3 | * | ||
4 | * Routines to handle famous /usr/gnemul/s*. | ||
5 | * Included from linux/fs/namei.c | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_NAMEI_H | ||
9 | #define __SPARC64_NAMEI_H | ||
10 | |||
11 | #define __emul_prefix() NULL | ||
12 | |||
13 | #endif /* __SPARC64_NAMEI_H */ | ||
diff --git a/include/asm-sparc64/of_platform.h b/include/asm-sparc64/of_platform.h index 78aa032b674c..f7c427b8bc61 100644 --- a/include/asm-sparc64/of_platform.h +++ b/include/asm-sparc64/of_platform.h | |||
@@ -1,25 +1 @@ | |||
1 | #ifndef _ASM_SPARC64_OF_PLATFORM_H | #include <asm-sparc/of_platform.h> | |
2 | #define _ASM_SPARC64_OF_PLATFORM_H | ||
3 | /* | ||
4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. | ||
5 | * <benh@kernel.crashing.org> | ||
6 | * Modified for Sparc by merging parts of asm-sparc/of_device.h | ||
7 | * by Stephen Rothwell | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version | ||
12 | * 2 of the License, or (at your option) any later version. | ||
13 | * | ||
14 | */ | ||
15 | |||
16 | /* This is just here during the transition */ | ||
17 | #include <linux/of_platform.h> | ||
18 | |||
19 | extern struct bus_type isa_bus_type; | ||
20 | extern struct bus_type ebus_bus_type; | ||
21 | extern struct bus_type sbus_bus_type; | ||
22 | |||
23 | #define of_bus_type of_platform_bus_type /* for compatibility */ | ||
24 | |||
25 | #endif /* _ASM_SPARC64_OF_PLATFORM_H */ | ||
diff --git a/include/asm-sparc64/openprom.h b/include/asm-sparc64/openprom.h index b69e4a8c9170..acf4b234fae3 100644 --- a/include/asm-sparc64/openprom.h +++ b/include/asm-sparc64/openprom.h | |||
@@ -1,280 +1 @@ | |||
1 | #ifndef __SPARC64_OPENPROM_H | #include <asm-sparc/openprom.h> | |
2 | #define __SPARC64_OPENPROM_H | ||
3 | |||
4 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | ||
5 | * prom routines and data areas. | ||
6 | * | ||
7 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
8 | */ | ||
9 | |||
10 | #ifndef __ASSEMBLY__ | ||
11 | /* V0 prom device operations. */ | ||
12 | struct linux_dev_v0_funcs { | ||
13 | int (*v0_devopen)(char *device_str); | ||
14 | int (*v0_devclose)(int dev_desc); | ||
15 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
16 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
17 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | ||
18 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | ||
19 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
20 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
21 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | ||
22 | }; | ||
23 | |||
24 | /* V2 and later prom device operations. */ | ||
25 | struct linux_dev_v2_funcs { | ||
26 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | ||
27 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | ||
28 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | ||
29 | |||
30 | /* To map devices into virtual I/O space. */ | ||
31 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | ||
32 | void (*v2_dumb_munmap)(char *virta, unsigned size); | ||
33 | |||
34 | int (*v2_dev_open)(char *devpath); | ||
35 | void (*v2_dev_close)(int d); | ||
36 | int (*v2_dev_read)(int d, char *buf, int nbytes); | ||
37 | int (*v2_dev_write)(int d, char *buf, int nbytes); | ||
38 | int (*v2_dev_seek)(int d, int hi, int lo); | ||
39 | |||
40 | /* Never issued (multistage load support) */ | ||
41 | void (*v2_wheee2)(void); | ||
42 | void (*v2_wheee3)(void); | ||
43 | }; | ||
44 | |||
45 | struct linux_mlist_v0 { | ||
46 | struct linux_mlist_v0 *theres_more; | ||
47 | unsigned start_adr; | ||
48 | unsigned num_bytes; | ||
49 | }; | ||
50 | |||
51 | struct linux_mem_v0 { | ||
52 | struct linux_mlist_v0 **v0_totphys; | ||
53 | struct linux_mlist_v0 **v0_prommap; | ||
54 | struct linux_mlist_v0 **v0_available; /* What we can use */ | ||
55 | }; | ||
56 | |||
57 | /* Arguments sent to the kernel from the boot prompt. */ | ||
58 | struct linux_arguments_v0 { | ||
59 | char *argv[8]; | ||
60 | char args[100]; | ||
61 | char boot_dev[2]; | ||
62 | int boot_dev_ctrl; | ||
63 | int boot_dev_unit; | ||
64 | int dev_partition; | ||
65 | char *kernel_file_name; | ||
66 | void *aieee1; /* XXX */ | ||
67 | }; | ||
68 | |||
69 | /* V2 and up boot things. */ | ||
70 | struct linux_bootargs_v2 { | ||
71 | char **bootpath; | ||
72 | char **bootargs; | ||
73 | int *fd_stdin; | ||
74 | int *fd_stdout; | ||
75 | }; | ||
76 | |||
77 | /* The top level PROM vector. */ | ||
78 | struct linux_romvec { | ||
79 | /* Version numbers. */ | ||
80 | unsigned int pv_magic_cookie; | ||
81 | unsigned int pv_romvers; | ||
82 | unsigned int pv_plugin_revision; | ||
83 | unsigned int pv_printrev; | ||
84 | |||
85 | /* Version 0 memory descriptors. */ | ||
86 | struct linux_mem_v0 pv_v0mem; | ||
87 | |||
88 | /* Node operations. */ | ||
89 | struct linux_nodeops *pv_nodeops; | ||
90 | |||
91 | char **pv_bootstr; | ||
92 | struct linux_dev_v0_funcs pv_v0devops; | ||
93 | |||
94 | char *pv_stdin; | ||
95 | char *pv_stdout; | ||
96 | #define PROMDEV_KBD 0 /* input from keyboard */ | ||
97 | #define PROMDEV_SCREEN 0 /* output to screen */ | ||
98 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | ||
99 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | ||
100 | |||
101 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | ||
102 | int (*pv_getchar)(void); | ||
103 | void (*pv_putchar)(int ch); | ||
104 | |||
105 | /* Non-blocking variants. */ | ||
106 | int (*pv_nbgetchar)(void); | ||
107 | int (*pv_nbputchar)(int ch); | ||
108 | |||
109 | void (*pv_putstr)(char *str, int len); | ||
110 | |||
111 | /* Miscellany. */ | ||
112 | void (*pv_reboot)(char *bootstr); | ||
113 | void (*pv_printf)(__const__ char *fmt, ...); | ||
114 | void (*pv_abort)(void); | ||
115 | __volatile__ int *pv_ticks; | ||
116 | void (*pv_halt)(void); | ||
117 | void (**pv_synchook)(void); | ||
118 | |||
119 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | ||
120 | union { | ||
121 | void (*v0_eval)(int len, char *str); | ||
122 | void (*v2_eval)(char *str); | ||
123 | } pv_fortheval; | ||
124 | |||
125 | struct linux_arguments_v0 **pv_v0bootargs; | ||
126 | |||
127 | /* Get ether address. */ | ||
128 | unsigned int (*pv_enaddr)(int d, char *enaddr); | ||
129 | |||
130 | struct linux_bootargs_v2 pv_v2bootargs; | ||
131 | struct linux_dev_v2_funcs pv_v2devops; | ||
132 | |||
133 | int filler[15]; | ||
134 | |||
135 | /* This one is sun4c/sun4 only. */ | ||
136 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | ||
137 | |||
138 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | ||
139 | * No joke. Calling these when there is only one cpu probably | ||
140 | * crashes the machine, have to test this. :-) | ||
141 | */ | ||
142 | |||
143 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | ||
144 | * 'thiscontext' executing at address 'prog_counter' | ||
145 | */ | ||
146 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | ||
147 | int thiscontext, char *prog_counter); | ||
148 | |||
149 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | ||
150 | * until a resume cpu call is made. | ||
151 | */ | ||
152 | int (*v3_cpustop)(unsigned int whichcpu); | ||
153 | |||
154 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | ||
155 | * resume cpu call is made. | ||
156 | */ | ||
157 | int (*v3_cpuidle)(unsigned int whichcpu); | ||
158 | |||
159 | /* v3_cpuresume() will resume processor 'whichcpu' executing | ||
160 | * starting with whatever 'pc' and 'npc' were left at the | ||
161 | * last 'idle' or 'stop' call. | ||
162 | */ | ||
163 | int (*v3_cpuresume)(unsigned int whichcpu); | ||
164 | }; | ||
165 | |||
166 | /* Routines for traversing the prom device tree. */ | ||
167 | struct linux_nodeops { | ||
168 | int (*no_nextnode)(int node); | ||
169 | int (*no_child)(int node); | ||
170 | int (*no_proplen)(int node, char *name); | ||
171 | int (*no_getprop)(int node, char *name, char *val); | ||
172 | int (*no_setprop)(int node, char *name, char *val, int len); | ||
173 | char * (*no_nextprop)(int node, char *name); | ||
174 | }; | ||
175 | |||
176 | /* More fun PROM structures for device probing. */ | ||
177 | #define PROMREG_MAX 24 | ||
178 | #define PROMVADDR_MAX 16 | ||
179 | #define PROMINTR_MAX 32 | ||
180 | |||
181 | struct linux_prom_registers { | ||
182 | unsigned which_io; /* hi part of physical address */ | ||
183 | unsigned phys_addr; /* The physical address of this register */ | ||
184 | int reg_size; /* How many bytes does this register take up? */ | ||
185 | }; | ||
186 | |||
187 | struct linux_prom64_registers { | ||
188 | unsigned long phys_addr; | ||
189 | unsigned long reg_size; | ||
190 | }; | ||
191 | |||
192 | struct linux_prom_irqs { | ||
193 | int pri; /* IRQ priority */ | ||
194 | int vector; /* This is foobar, what does it do? */ | ||
195 | }; | ||
196 | |||
197 | /* Element of the "ranges" vector */ | ||
198 | struct linux_prom_ranges { | ||
199 | unsigned int ot_child_space; | ||
200 | unsigned int ot_child_base; /* Bus feels this */ | ||
201 | unsigned int ot_parent_space; | ||
202 | unsigned int ot_parent_base; /* CPU looks from here */ | ||
203 | unsigned int or_size; | ||
204 | }; | ||
205 | |||
206 | struct linux_prom64_ranges { | ||
207 | unsigned long ot_child_base; /* Bus feels this */ | ||
208 | unsigned long ot_parent_base; /* CPU looks from here */ | ||
209 | unsigned long or_size; | ||
210 | }; | ||
211 | |||
212 | /* Ranges and reg properties are a bit different for PCI. */ | ||
213 | struct linux_prom_pci_registers { | ||
214 | unsigned int phys_hi; | ||
215 | unsigned int phys_mid; | ||
216 | unsigned int phys_lo; | ||
217 | |||
218 | unsigned int size_hi; | ||
219 | unsigned int size_lo; | ||
220 | }; | ||
221 | |||
222 | struct linux_prom_pci_ranges { | ||
223 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | ||
224 | unsigned int child_phys_mid; | ||
225 | unsigned int child_phys_lo; | ||
226 | |||
227 | unsigned int parent_phys_hi; | ||
228 | unsigned int parent_phys_lo; | ||
229 | |||
230 | unsigned int size_hi; | ||
231 | unsigned int size_lo; | ||
232 | }; | ||
233 | |||
234 | struct linux_prom_pci_intmap { | ||
235 | unsigned int phys_hi; | ||
236 | unsigned int phys_mid; | ||
237 | unsigned int phys_lo; | ||
238 | |||
239 | unsigned int interrupt; | ||
240 | |||
241 | int cnode; | ||
242 | unsigned int cinterrupt; | ||
243 | }; | ||
244 | |||
245 | struct linux_prom_pci_intmask { | ||
246 | unsigned int phys_hi; | ||
247 | unsigned int phys_mid; | ||
248 | unsigned int phys_lo; | ||
249 | unsigned int interrupt; | ||
250 | }; | ||
251 | |||
252 | struct linux_prom_ebus_ranges { | ||
253 | unsigned int child_phys_hi; | ||
254 | unsigned int child_phys_lo; | ||
255 | |||
256 | unsigned int parent_phys_hi; | ||
257 | unsigned int parent_phys_mid; | ||
258 | unsigned int parent_phys_lo; | ||
259 | |||
260 | unsigned int size; | ||
261 | }; | ||
262 | |||
263 | struct linux_prom_ebus_intmap { | ||
264 | unsigned int phys_hi; | ||
265 | unsigned int phys_lo; | ||
266 | |||
267 | unsigned int interrupt; | ||
268 | |||
269 | int cnode; | ||
270 | unsigned int cinterrupt; | ||
271 | }; | ||
272 | |||
273 | struct linux_prom_ebus_intmask { | ||
274 | unsigned int phys_hi; | ||
275 | unsigned int phys_lo; | ||
276 | unsigned int interrupt; | ||
277 | }; | ||
278 | #endif /* !(__ASSEMBLY__) */ | ||
279 | |||
280 | #endif /* !(__SPARC64_OPENPROM_H) */ | ||
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h index 55c5bb27e4da..d93e44e63510 100644 --- a/include/asm-sparc64/oplib.h +++ b/include/asm-sparc64/oplib.h | |||
@@ -1,322 +1 @@ | |||
1 | /* oplib.h: Describes the interface and available routines in the | #include <asm-sparc/oplib.h> | |
2 | * Linux Prom library. | ||
3 | * | ||
4 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
5 | * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
6 | */ | ||
7 | |||
8 | #ifndef __SPARC64_OPLIB_H | ||
9 | #define __SPARC64_OPLIB_H | ||
10 | |||
11 | #include <asm/openprom.h> | ||
12 | |||
13 | /* OBP version string. */ | ||
14 | extern char prom_version[]; | ||
15 | |||
16 | /* Root node of the prom device tree, this stays constant after | ||
17 | * initialization is complete. | ||
18 | */ | ||
19 | extern int prom_root_node; | ||
20 | |||
21 | /* PROM stdin and stdout */ | ||
22 | extern int prom_stdin, prom_stdout; | ||
23 | |||
24 | /* /chosen node of the prom device tree, this stays constant after | ||
25 | * initialization is complete. | ||
26 | */ | ||
27 | extern int prom_chosen_node; | ||
28 | |||
29 | /* Helper values and strings in arch/sparc64/kernel/head.S */ | ||
30 | extern const char prom_peer_name[]; | ||
31 | extern const char prom_compatible_name[]; | ||
32 | extern const char prom_root_compatible[]; | ||
33 | extern const char prom_cpu_compatible[]; | ||
34 | extern const char prom_finddev_name[]; | ||
35 | extern const char prom_chosen_path[]; | ||
36 | extern const char prom_cpu_path[]; | ||
37 | extern const char prom_getprop_name[]; | ||
38 | extern const char prom_mmu_name[]; | ||
39 | extern const char prom_callmethod_name[]; | ||
40 | extern const char prom_translate_name[]; | ||
41 | extern const char prom_map_name[]; | ||
42 | extern const char prom_unmap_name[]; | ||
43 | extern int prom_mmu_ihandle_cache; | ||
44 | extern unsigned int prom_boot_mapped_pc; | ||
45 | extern unsigned int prom_boot_mapping_mode; | ||
46 | extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low; | ||
47 | |||
48 | struct linux_mlist_p1275 { | ||
49 | struct linux_mlist_p1275 *theres_more; | ||
50 | unsigned long start_adr; | ||
51 | unsigned long num_bytes; | ||
52 | }; | ||
53 | |||
54 | struct linux_mem_p1275 { | ||
55 | struct linux_mlist_p1275 **p1275_totphys; | ||
56 | struct linux_mlist_p1275 **p1275_prommap; | ||
57 | struct linux_mlist_p1275 **p1275_available; /* What we can use */ | ||
58 | }; | ||
59 | |||
60 | /* The functions... */ | ||
61 | |||
62 | /* You must call prom_init() before using any of the library services, | ||
63 | * preferably as early as possible. Pass it the romvec pointer. | ||
64 | */ | ||
65 | extern void prom_init(void *cif_handler, void *cif_stack); | ||
66 | |||
67 | /* Boot argument acquisition, returns the boot command line string. */ | ||
68 | extern char *prom_getbootargs(void); | ||
69 | |||
70 | /* Device utilities. */ | ||
71 | |||
72 | /* Device operations. */ | ||
73 | |||
74 | /* Open the device described by the passed string. Note, that the format | ||
75 | * of the string is different on V0 vs. V2->higher proms. The caller must | ||
76 | * know what he/she is doing! Returns the device descriptor, an int. | ||
77 | */ | ||
78 | extern int prom_devopen(const char *device_string); | ||
79 | |||
80 | /* Close a previously opened device described by the passed integer | ||
81 | * descriptor. | ||
82 | */ | ||
83 | extern int prom_devclose(int device_handle); | ||
84 | |||
85 | /* Do a seek operation on the device described by the passed integer | ||
86 | * descriptor. | ||
87 | */ | ||
88 | extern void prom_seek(int device_handle, unsigned int seek_hival, | ||
89 | unsigned int seek_lowval); | ||
90 | |||
91 | /* Miscellaneous routines, don't really fit in any category per se. */ | ||
92 | |||
93 | /* Reboot the machine with the command line passed. */ | ||
94 | extern void prom_reboot(const char *boot_command); | ||
95 | |||
96 | /* Evaluate the forth string passed. */ | ||
97 | extern void prom_feval(const char *forth_string); | ||
98 | |||
99 | /* Enter the prom, with possibility of continuation with the 'go' | ||
100 | * command in newer proms. | ||
101 | */ | ||
102 | extern void prom_cmdline(void); | ||
103 | |||
104 | /* Enter the prom, with no chance of continuation for the stand-alone | ||
105 | * which calls this. | ||
106 | */ | ||
107 | extern void prom_halt(void) __attribute__ ((noreturn)); | ||
108 | |||
109 | /* Halt and power-off the machine. */ | ||
110 | extern void prom_halt_power_off(void) __attribute__ ((noreturn)); | ||
111 | |||
112 | /* Set the PROM 'sync' callback function to the passed function pointer. | ||
113 | * When the user gives the 'sync' command at the prom prompt while the | ||
114 | * kernel is still active, the prom will call this routine. | ||
115 | * | ||
116 | */ | ||
117 | typedef int (*callback_func_t)(long *cmd); | ||
118 | extern void prom_setcallback(callback_func_t func_ptr); | ||
119 | |||
120 | /* Acquire the IDPROM of the root node in the prom device tree. This | ||
121 | * gets passed a buffer where you would like it stuffed. The return value | ||
122 | * is the format type of this idprom or 0xff on error. | ||
123 | */ | ||
124 | extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); | ||
125 | |||
126 | /* Character operations to/from the console.... */ | ||
127 | |||
128 | /* Non-blocking get character from console. */ | ||
129 | extern int prom_nbgetchar(void); | ||
130 | |||
131 | /* Non-blocking put character to console. */ | ||
132 | extern int prom_nbputchar(char character); | ||
133 | |||
134 | /* Blocking get character from console. */ | ||
135 | extern char prom_getchar(void); | ||
136 | |||
137 | /* Blocking put character to console. */ | ||
138 | extern void prom_putchar(char character); | ||
139 | |||
140 | /* Prom's internal routines, don't use in kernel/boot code. */ | ||
141 | extern void prom_printf(const char *fmt, ...); | ||
142 | extern void prom_write(const char *buf, unsigned int len); | ||
143 | |||
144 | /* Multiprocessor operations... */ | ||
145 | #ifdef CONFIG_SMP | ||
146 | /* Start the CPU with the given device tree node at the passed program | ||
147 | * counter with the given arg passed in via register %o0. | ||
148 | */ | ||
149 | extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg); | ||
150 | |||
151 | /* Start the CPU with the given cpu ID at the passed program | ||
152 | * counter with the given arg passed in via register %o0. | ||
153 | */ | ||
154 | extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg); | ||
155 | |||
156 | /* Stop the CPU with the given cpu ID. */ | ||
157 | extern void prom_stopcpu_cpuid(int cpuid); | ||
158 | |||
159 | /* Stop the current CPU. */ | ||
160 | extern void prom_stopself(void); | ||
161 | |||
162 | /* Idle the current CPU. */ | ||
163 | extern void prom_idleself(void); | ||
164 | |||
165 | /* Resume the CPU with the passed device tree node. */ | ||
166 | extern void prom_resumecpu(int cpunode); | ||
167 | #endif | ||
168 | |||
169 | /* Power management interfaces. */ | ||
170 | |||
171 | /* Put the current CPU to sleep. */ | ||
172 | extern void prom_sleepself(void); | ||
173 | |||
174 | /* Put the entire system to sleep. */ | ||
175 | extern int prom_sleepsystem(void); | ||
176 | |||
177 | /* Initiate a wakeup event. */ | ||
178 | extern int prom_wakeupsystem(void); | ||
179 | |||
180 | /* MMU and memory related OBP interfaces. */ | ||
181 | |||
182 | /* Get unique string identifying SIMM at given physical address. */ | ||
183 | extern int prom_getunumber(int syndrome_code, | ||
184 | unsigned long phys_addr, | ||
185 | char *buf, int buflen); | ||
186 | |||
187 | /* Retain physical memory to the caller across soft resets. */ | ||
188 | extern unsigned long prom_retain(const char *name, | ||
189 | unsigned long pa_low, unsigned long pa_high, | ||
190 | long size, long align); | ||
191 | |||
192 | /* Load explicit I/D TLB entries into the calling processor. */ | ||
193 | extern long prom_itlb_load(unsigned long index, | ||
194 | unsigned long tte_data, | ||
195 | unsigned long vaddr); | ||
196 | |||
197 | extern long prom_dtlb_load(unsigned long index, | ||
198 | unsigned long tte_data, | ||
199 | unsigned long vaddr); | ||
200 | |||
201 | /* Map/Unmap client program address ranges. First the format of | ||
202 | * the mapping mode argument. | ||
203 | */ | ||
204 | #define PROM_MAP_WRITE 0x0001 /* Writable */ | ||
205 | #define PROM_MAP_READ 0x0002 /* Readable - sw */ | ||
206 | #define PROM_MAP_EXEC 0x0004 /* Executable - sw */ | ||
207 | #define PROM_MAP_LOCKED 0x0010 /* Locked, use i/dtlb load calls for this instead */ | ||
208 | #define PROM_MAP_CACHED 0x0020 /* Cacheable in both L1 and L2 caches */ | ||
209 | #define PROM_MAP_SE 0x0040 /* Side-Effects */ | ||
210 | #define PROM_MAP_GLOB 0x0080 /* Global */ | ||
211 | #define PROM_MAP_IE 0x0100 /* Invert-Endianness */ | ||
212 | #define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED) | ||
213 | |||
214 | extern int prom_map(int mode, unsigned long size, | ||
215 | unsigned long vaddr, unsigned long paddr); | ||
216 | extern void prom_unmap(unsigned long size, unsigned long vaddr); | ||
217 | |||
218 | |||
219 | /* PROM device tree traversal functions... */ | ||
220 | |||
221 | #ifdef PROMLIB_INTERNAL | ||
222 | |||
223 | /* Internal version of prom_getchild. */ | ||
224 | extern int __prom_getchild(int parent_node); | ||
225 | |||
226 | /* Internal version of prom_getsibling. */ | ||
227 | extern int __prom_getsibling(int node); | ||
228 | |||
229 | #endif | ||
230 | |||
231 | /* Get the child node of the given node, or zero if no child exists. */ | ||
232 | extern int prom_getchild(int parent_node); | ||
233 | |||
234 | /* Get the next sibling node of the given node, or zero if no further | ||
235 | * siblings exist. | ||
236 | */ | ||
237 | extern int prom_getsibling(int node); | ||
238 | |||
239 | /* Get the length, at the passed node, of the given property type. | ||
240 | * Returns -1 on error (ie. no such property at this node). | ||
241 | */ | ||
242 | extern int prom_getproplen(int thisnode, const char *property); | ||
243 | |||
244 | /* Fetch the requested property using the given buffer. Returns | ||
245 | * the number of bytes the prom put into your buffer or -1 on error. | ||
246 | */ | ||
247 | extern int prom_getproperty(int thisnode, const char *property, | ||
248 | char *prop_buffer, int propbuf_size); | ||
249 | |||
250 | /* Acquire an integer property. */ | ||
251 | extern int prom_getint(int node, const char *property); | ||
252 | |||
253 | /* Acquire an integer property, with a default value. */ | ||
254 | extern int prom_getintdefault(int node, const char *property, int defval); | ||
255 | |||
256 | /* Acquire a boolean property, 0=FALSE 1=TRUE. */ | ||
257 | extern int prom_getbool(int node, const char *prop); | ||
258 | |||
259 | /* Acquire a string property, null string on error. */ | ||
260 | extern void prom_getstring(int node, const char *prop, char *buf, int bufsize); | ||
261 | |||
262 | /* Does the passed node have the given "name"? YES=1 NO=0 */ | ||
263 | extern int prom_nodematch(int thisnode, const char *name); | ||
264 | |||
265 | /* Search all siblings starting at the passed node for "name" matching | ||
266 | * the given string. Returns the node on success, zero on failure. | ||
267 | */ | ||
268 | extern int prom_searchsiblings(int node_start, const char *name); | ||
269 | |||
270 | /* Return the first property type, as a string, for the given node. | ||
271 | * Returns a null string on error. Buffer should be at least 32B long. | ||
272 | */ | ||
273 | extern char *prom_firstprop(int node, char *buffer); | ||
274 | |||
275 | /* Returns the next property after the passed property for the given | ||
276 | * node. Returns null string on failure. Buffer should be at least 32B long. | ||
277 | */ | ||
278 | extern char *prom_nextprop(int node, const char *prev_property, char *buffer); | ||
279 | |||
280 | /* Returns 1 if the specified node has given property. */ | ||
281 | extern int prom_node_has_property(int node, const char *property); | ||
282 | |||
283 | /* Returns phandle of the path specified */ | ||
284 | extern int prom_finddevice(const char *name); | ||
285 | |||
286 | /* Set the indicated property at the given node with the passed value. | ||
287 | * Returns the number of bytes of your value that the prom took. | ||
288 | */ | ||
289 | extern int prom_setprop(int node, const char *prop_name, char *prop_value, | ||
290 | int value_size); | ||
291 | |||
292 | extern int prom_pathtoinode(const char *path); | ||
293 | extern int prom_inst2pkg(int); | ||
294 | extern int prom_service_exists(const char *service_name); | ||
295 | extern void prom_sun4v_guest_soft_state(void); | ||
296 | |||
297 | extern int prom_ihandle2path(int handle, char *buffer, int bufsize); | ||
298 | |||
299 | /* Client interface level routines. */ | ||
300 | extern long p1275_cmd(const char *, long, ...); | ||
301 | |||
302 | #if 0 | ||
303 | #define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x)) | ||
304 | #else | ||
305 | #define P1275_SIZE(x) x | ||
306 | #endif | ||
307 | |||
308 | /* We support at most 16 input and 1 output argument */ | ||
309 | #define P1275_ARG_NUMBER 0 | ||
310 | #define P1275_ARG_IN_STRING 1 | ||
311 | #define P1275_ARG_OUT_BUF 2 | ||
312 | #define P1275_ARG_OUT_32B 3 | ||
313 | #define P1275_ARG_IN_FUNCTION 4 | ||
314 | #define P1275_ARG_IN_BUF 5 | ||
315 | #define P1275_ARG_IN_64B 6 | ||
316 | |||
317 | #define P1275_IN(x) ((x) & 0xf) | ||
318 | #define P1275_OUT(x) (((x) << 4) & 0xf0) | ||
319 | #define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o)) | ||
320 | #define P1275_ARG(n,x) ((x) << ((n)*3 + 8)) | ||
321 | |||
322 | #endif /* !(__SPARC64_OPLIB_H) */ | ||
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index 93f0881b766e..f46c1fb53028 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h | |||
@@ -1,142 +1 @@ | |||
1 | #ifndef _SPARC64_PAGE_H | #include <asm-sparc/page.h> | |
2 | #define _SPARC64_PAGE_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | |||
6 | #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) | ||
7 | #define PAGE_SHIFT 13 | ||
8 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) | ||
9 | #define PAGE_SHIFT 16 | ||
10 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB) | ||
11 | #define PAGE_SHIFT 19 | ||
12 | #elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB) | ||
13 | #define PAGE_SHIFT 22 | ||
14 | #else | ||
15 | #error No page size specified in kernel configuration | ||
16 | #endif | ||
17 | |||
18 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | ||
19 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
20 | |||
21 | /* Flushing for D-cache alias handling is only needed if | ||
22 | * the page size is smaller than 16K. | ||
23 | */ | ||
24 | #if PAGE_SHIFT < 14 | ||
25 | #define DCACHE_ALIASING_POSSIBLE | ||
26 | #endif | ||
27 | |||
28 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
29 | #define HPAGE_SHIFT 22 | ||
30 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
31 | #define HPAGE_SHIFT 19 | ||
32 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
33 | #define HPAGE_SHIFT 16 | ||
34 | #endif | ||
35 | |||
36 | #ifdef CONFIG_HUGETLB_PAGE | ||
37 | #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) | ||
38 | #define HPAGE_MASK (~(HPAGE_SIZE - 1UL)) | ||
39 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) | ||
40 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | ||
41 | #endif | ||
42 | |||
43 | #ifndef __ASSEMBLY__ | ||
44 | |||
45 | extern void _clear_page(void *page); | ||
46 | #define clear_page(X) _clear_page((void *)(X)) | ||
47 | struct page; | ||
48 | extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page); | ||
49 | #define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE) | ||
50 | extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage); | ||
51 | |||
52 | /* Unlike sparc32, sparc64's parameter passing API is more | ||
53 | * sane in that structures which as small enough are passed | ||
54 | * in registers instead of on the stack. Thus, setting | ||
55 | * STRICT_MM_TYPECHECKS does not generate worse code so | ||
56 | * let's enable it to get the type checking. | ||
57 | */ | ||
58 | |||
59 | #define STRICT_MM_TYPECHECKS | ||
60 | |||
61 | #ifdef STRICT_MM_TYPECHECKS | ||
62 | /* These are used to make use of C type-checking.. */ | ||
63 | typedef struct { unsigned long pte; } pte_t; | ||
64 | typedef struct { unsigned long iopte; } iopte_t; | ||
65 | typedef struct { unsigned int pmd; } pmd_t; | ||
66 | typedef struct { unsigned int pgd; } pgd_t; | ||
67 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
68 | |||
69 | #define pte_val(x) ((x).pte) | ||
70 | #define iopte_val(x) ((x).iopte) | ||
71 | #define pmd_val(x) ((x).pmd) | ||
72 | #define pgd_val(x) ((x).pgd) | ||
73 | #define pgprot_val(x) ((x).pgprot) | ||
74 | |||
75 | #define __pte(x) ((pte_t) { (x) } ) | ||
76 | #define __iopte(x) ((iopte_t) { (x) } ) | ||
77 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
78 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
79 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
80 | |||
81 | #else | ||
82 | /* .. while these make it easier on the compiler */ | ||
83 | typedef unsigned long pte_t; | ||
84 | typedef unsigned long iopte_t; | ||
85 | typedef unsigned int pmd_t; | ||
86 | typedef unsigned int pgd_t; | ||
87 | typedef unsigned long pgprot_t; | ||
88 | |||
89 | #define pte_val(x) (x) | ||
90 | #define iopte_val(x) (x) | ||
91 | #define pmd_val(x) (x) | ||
92 | #define pgd_val(x) (x) | ||
93 | #define pgprot_val(x) (x) | ||
94 | |||
95 | #define __pte(x) (x) | ||
96 | #define __iopte(x) (x) | ||
97 | #define __pmd(x) (x) | ||
98 | #define __pgd(x) (x) | ||
99 | #define __pgprot(x) (x) | ||
100 | |||
101 | #endif /* (STRICT_MM_TYPECHECKS) */ | ||
102 | |||
103 | typedef struct page *pgtable_t; | ||
104 | |||
105 | #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \ | ||
106 | (_AC(0x0000000070000000,UL)) : \ | ||
107 | (_AC(0xfffff80000000000,UL) + (1UL << 32UL))) | ||
108 | |||
109 | #include <asm-generic/memory_model.h> | ||
110 | |||
111 | #endif /* !(__ASSEMBLY__) */ | ||
112 | |||
113 | /* to align the pointer to the (next) page boundary */ | ||
114 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
115 | |||
116 | /* We used to stick this into a hard-coded global register (%g4) | ||
117 | * but that does not make sense anymore. | ||
118 | */ | ||
119 | #define PAGE_OFFSET _AC(0xFFFFF80000000000,UL) | ||
120 | |||
121 | #ifndef __ASSEMBLY__ | ||
122 | |||
123 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) | ||
124 | #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) | ||
125 | |||
126 | #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) | ||
127 | |||
128 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr)>>PAGE_SHIFT) | ||
129 | |||
130 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ||
131 | |||
132 | #define virt_to_phys __pa | ||
133 | #define phys_to_virt __va | ||
134 | |||
135 | #endif /* !(__ASSEMBLY__) */ | ||
136 | |||
137 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
138 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
139 | |||
140 | #include <asm-generic/page.h> | ||
141 | |||
142 | #endif /* _SPARC64_PAGE_H */ | ||
diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h index f59f2571295b..da54c4d1f39c 100644 --- a/include/asm-sparc64/pci.h +++ b/include/asm-sparc64/pci.h | |||
@@ -1,209 +1 @@ | |||
1 | #ifndef __SPARC64_PCI_H | #include <asm-sparc/pci.h> | |
2 | #define __SPARC64_PCI_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | #include <linux/dma-mapping.h> | ||
7 | |||
8 | /* Can be used to override the logic in pci_scan_bus for skipping | ||
9 | * already-configured bus numbers - to be used for buggy BIOSes | ||
10 | * or architectures with incomplete PCI setup by the loader. | ||
11 | */ | ||
12 | #define pcibios_assign_all_busses() 0 | ||
13 | #define pcibios_scan_all_fns(a, b) 0 | ||
14 | |||
15 | #define PCIBIOS_MIN_IO 0UL | ||
16 | #define PCIBIOS_MIN_MEM 0UL | ||
17 | |||
18 | #define PCI_IRQ_NONE 0xffffffff | ||
19 | |||
20 | #define PCI_CACHE_LINE_BYTES 64 | ||
21 | |||
22 | static inline void pcibios_set_master(struct pci_dev *dev) | ||
23 | { | ||
24 | /* No special bus mastering setup handling */ | ||
25 | } | ||
26 | |||
27 | static inline void pcibios_penalize_isa_irq(int irq, int active) | ||
28 | { | ||
29 | /* We don't do dynamic PCI IRQ allocation */ | ||
30 | } | ||
31 | |||
32 | /* The PCI address space does not equal the physical memory | ||
33 | * address space. The networking and block device layers use | ||
34 | * this boolean for bounce buffer decisions. | ||
35 | */ | ||
36 | #define PCI_DMA_BUS_IS_PHYS (0) | ||
37 | |||
38 | static inline void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, | ||
39 | dma_addr_t *dma_handle) | ||
40 | { | ||
41 | return dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_ATOMIC); | ||
42 | } | ||
43 | |||
44 | static inline void pci_free_consistent(struct pci_dev *pdev, size_t size, | ||
45 | void *vaddr, dma_addr_t dma_handle) | ||
46 | { | ||
47 | return dma_free_coherent(&pdev->dev, size, vaddr, dma_handle); | ||
48 | } | ||
49 | |||
50 | static inline dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, | ||
51 | size_t size, int direction) | ||
52 | { | ||
53 | return dma_map_single(&pdev->dev, ptr, size, | ||
54 | (enum dma_data_direction) direction); | ||
55 | } | ||
56 | |||
57 | static inline void pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, | ||
58 | size_t size, int direction) | ||
59 | { | ||
60 | dma_unmap_single(&pdev->dev, dma_addr, size, | ||
61 | (enum dma_data_direction) direction); | ||
62 | } | ||
63 | |||
64 | #define pci_map_page(dev, page, off, size, dir) \ | ||
65 | pci_map_single(dev, (page_address(page) + (off)), size, dir) | ||
66 | #define pci_unmap_page(dev,addr,sz,dir) \ | ||
67 | pci_unmap_single(dev,addr,sz,dir) | ||
68 | |||
69 | /* pci_unmap_{single,page} is not a nop, thus... */ | ||
70 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ | ||
71 | dma_addr_t ADDR_NAME; | ||
72 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | ||
73 | __u32 LEN_NAME; | ||
74 | #define pci_unmap_addr(PTR, ADDR_NAME) \ | ||
75 | ((PTR)->ADDR_NAME) | ||
76 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ | ||
77 | (((PTR)->ADDR_NAME) = (VAL)) | ||
78 | #define pci_unmap_len(PTR, LEN_NAME) \ | ||
79 | ((PTR)->LEN_NAME) | ||
80 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ | ||
81 | (((PTR)->LEN_NAME) = (VAL)) | ||
82 | |||
83 | static inline int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, | ||
84 | int nents, int direction) | ||
85 | { | ||
86 | return dma_map_sg(&pdev->dev, sg, nents, | ||
87 | (enum dma_data_direction) direction); | ||
88 | } | ||
89 | |||
90 | static inline void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, | ||
91 | int nents, int direction) | ||
92 | { | ||
93 | dma_unmap_sg(&pdev->dev, sg, nents, | ||
94 | (enum dma_data_direction) direction); | ||
95 | } | ||
96 | |||
97 | static inline void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, | ||
98 | dma_addr_t dma_handle, | ||
99 | size_t size, int direction) | ||
100 | { | ||
101 | dma_sync_single_for_cpu(&pdev->dev, dma_handle, size, | ||
102 | (enum dma_data_direction) direction); | ||
103 | } | ||
104 | |||
105 | static inline void pci_dma_sync_single_for_device(struct pci_dev *pdev, | ||
106 | dma_addr_t dma_handle, | ||
107 | size_t size, int direction) | ||
108 | { | ||
109 | /* No flushing needed to sync cpu writes to the device. */ | ||
110 | } | ||
111 | |||
112 | static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, | ||
113 | struct scatterlist *sg, | ||
114 | int nents, int direction) | ||
115 | { | ||
116 | dma_sync_sg_for_cpu(&pdev->dev, sg, nents, | ||
117 | (enum dma_data_direction) direction); | ||
118 | } | ||
119 | |||
120 | static inline void pci_dma_sync_sg_for_device(struct pci_dev *pdev, | ||
121 | struct scatterlist *sg, | ||
122 | int nelems, int direction) | ||
123 | { | ||
124 | /* No flushing needed to sync cpu writes to the device. */ | ||
125 | } | ||
126 | |||
127 | /* Return whether the given PCI device DMA address mask can | ||
128 | * be supported properly. For example, if your device can | ||
129 | * only drive the low 24-bits during PCI bus mastering, then | ||
130 | * you would pass 0x00ffffff as the mask to this function. | ||
131 | */ | ||
132 | extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask); | ||
133 | |||
134 | /* PCI IOMMU mapping bypass support. */ | ||
135 | |||
136 | /* PCI 64-bit addressing works for all slots on all controller | ||
137 | * types on sparc64. However, it requires that the device | ||
138 | * can drive enough of the 64 bits. | ||
139 | */ | ||
140 | #define PCI64_REQUIRED_MASK (~(dma64_addr_t)0) | ||
141 | #define PCI64_ADDR_BASE 0xfffc000000000000UL | ||
142 | |||
143 | static inline int pci_dma_mapping_error(dma_addr_t dma_addr) | ||
144 | { | ||
145 | return dma_mapping_error(dma_addr); | ||
146 | } | ||
147 | |||
148 | #ifdef CONFIG_PCI | ||
149 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | ||
150 | enum pci_dma_burst_strategy *strat, | ||
151 | unsigned long *strategy_parameter) | ||
152 | { | ||
153 | unsigned long cacheline_size; | ||
154 | u8 byte; | ||
155 | |||
156 | pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); | ||
157 | if (byte == 0) | ||
158 | cacheline_size = 1024; | ||
159 | else | ||
160 | cacheline_size = (int) byte * 4; | ||
161 | |||
162 | *strat = PCI_DMA_BURST_BOUNDARY; | ||
163 | *strategy_parameter = cacheline_size; | ||
164 | } | ||
165 | #endif | ||
166 | |||
167 | /* Return the index of the PCI controller for device PDEV. */ | ||
168 | |||
169 | extern int pci_domain_nr(struct pci_bus *bus); | ||
170 | static inline int pci_proc_domain(struct pci_bus *bus) | ||
171 | { | ||
172 | return 1; | ||
173 | } | ||
174 | |||
175 | /* Platform support for /proc/bus/pci/X/Y mmap()s. */ | ||
176 | |||
177 | #define HAVE_PCI_MMAP | ||
178 | #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA | ||
179 | #define get_pci_unmapped_area get_fb_unmapped_area | ||
180 | |||
181 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | ||
182 | enum pci_mmap_state mmap_state, | ||
183 | int write_combine); | ||
184 | |||
185 | extern void | ||
186 | pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, | ||
187 | struct resource *res); | ||
188 | |||
189 | extern void | ||
190 | pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, | ||
191 | struct pci_bus_region *region); | ||
192 | |||
193 | extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *); | ||
194 | |||
195 | static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) | ||
196 | { | ||
197 | return PCI_IRQ_NONE; | ||
198 | } | ||
199 | |||
200 | struct device_node; | ||
201 | extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); | ||
202 | |||
203 | #define HAVE_ARCH_PCI_RESOURCE_TO_USER | ||
204 | extern void pci_resource_to_user(const struct pci_dev *dev, int bar, | ||
205 | const struct resource *rsrc, | ||
206 | resource_size_t *start, resource_size_t *end); | ||
207 | #endif /* __KERNEL__ */ | ||
208 | |||
209 | #endif /* __SPARC64_PCI_H */ | ||
diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index bee64593023e..292729bb350f 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h | |||
@@ -1,28 +1 @@ | |||
1 | #ifndef __ARCH_SPARC64_PERCPU__ | #include <asm-sparc/percpu.h> | |
2 | #define __ARCH_SPARC64_PERCPU__ | ||
3 | |||
4 | #include <linux/compiler.h> | ||
5 | |||
6 | register unsigned long __local_per_cpu_offset asm("g5"); | ||
7 | |||
8 | #ifdef CONFIG_SMP | ||
9 | |||
10 | extern void real_setup_per_cpu_areas(void); | ||
11 | |||
12 | extern unsigned long __per_cpu_base; | ||
13 | extern unsigned long __per_cpu_shift; | ||
14 | #define __per_cpu_offset(__cpu) \ | ||
15 | (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) | ||
16 | #define per_cpu_offset(x) (__per_cpu_offset(x)) | ||
17 | |||
18 | #define __my_cpu_offset __local_per_cpu_offset | ||
19 | |||
20 | #else /* ! SMP */ | ||
21 | |||
22 | #define real_setup_per_cpu_areas() do { } while (0) | ||
23 | |||
24 | #endif /* SMP */ | ||
25 | |||
26 | #include <asm-generic/percpu.h> | ||
27 | |||
28 | #endif /* __ARCH_SPARC64_PERCPU__ */ | ||
diff --git a/include/asm-sparc64/pgalloc.h b/include/asm-sparc64/pgalloc.h index 326de104d014..bec31641011c 100644 --- a/include/asm-sparc64/pgalloc.h +++ b/include/asm-sparc64/pgalloc.h | |||
@@ -1,81 +1 @@ | |||
1 | #ifndef _SPARC64_PGALLOC_H | #include <asm-sparc/pgalloc.h> | |
2 | #define _SPARC64_PGALLOC_H | ||
3 | |||
4 | #include <linux/kernel.h> | ||
5 | #include <linux/sched.h> | ||
6 | #include <linux/mm.h> | ||
7 | #include <linux/slab.h> | ||
8 | #include <linux/quicklist.h> | ||
9 | |||
10 | #include <asm/spitfire.h> | ||
11 | #include <asm/cpudata.h> | ||
12 | #include <asm/cacheflush.h> | ||
13 | #include <asm/page.h> | ||
14 | |||
15 | /* Page table allocation/freeing. */ | ||
16 | |||
17 | static inline pgd_t *pgd_alloc(struct mm_struct *mm) | ||
18 | { | ||
19 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
20 | } | ||
21 | |||
22 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
23 | { | ||
24 | quicklist_free(0, NULL, pgd); | ||
25 | } | ||
26 | |||
27 | #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) | ||
28 | |||
29 | static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | ||
30 | { | ||
31 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
32 | } | ||
33 | |||
34 | static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) | ||
35 | { | ||
36 | quicklist_free(0, NULL, pmd); | ||
37 | } | ||
38 | |||
39 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
40 | unsigned long address) | ||
41 | { | ||
42 | return quicklist_alloc(0, GFP_KERNEL, NULL); | ||
43 | } | ||
44 | |||
45 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
46 | unsigned long address) | ||
47 | { | ||
48 | struct page *page; | ||
49 | void *pg; | ||
50 | |||
51 | pg = quicklist_alloc(0, GFP_KERNEL, NULL); | ||
52 | if (!pg) | ||
53 | return NULL; | ||
54 | page = virt_to_page(pg); | ||
55 | pgtable_page_ctor(page); | ||
56 | return page; | ||
57 | } | ||
58 | |||
59 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
60 | { | ||
61 | quicklist_free(0, NULL, pte); | ||
62 | } | ||
63 | |||
64 | static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | ||
65 | { | ||
66 | pgtable_page_dtor(ptepage); | ||
67 | quicklist_free_page(0, NULL, ptepage); | ||
68 | } | ||
69 | |||
70 | |||
71 | #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) | ||
72 | #define pmd_populate(MM,PMD,PTE_PAGE) \ | ||
73 | pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) | ||
74 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
75 | |||
76 | static inline void check_pgt_cache(void) | ||
77 | { | ||
78 | quicklist_trim(0, NULL, 25, 16); | ||
79 | } | ||
80 | |||
81 | #endif /* _SPARC64_PGALLOC_H */ | ||
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index b87017747b5d..9decbd99aeff 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h | |||
@@ -1,781 +1 @@ | |||
1 | /* | #include <asm-sparc/pgtable.h> | |
2 | * pgtable.h: SpitFire page table operations. | ||
3 | * | ||
4 | * Copyright 1996,1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC64_PGTABLE_H | ||
9 | #define _SPARC64_PGTABLE_H | ||
10 | |||
11 | /* This file contains the functions and defines necessary to modify and use | ||
12 | * the SpitFire page tables. | ||
13 | */ | ||
14 | |||
15 | #include <asm-generic/pgtable-nopud.h> | ||
16 | |||
17 | #include <linux/compiler.h> | ||
18 | #include <linux/const.h> | ||
19 | #include <asm/types.h> | ||
20 | #include <asm/spitfire.h> | ||
21 | #include <asm/asi.h> | ||
22 | #include <asm/system.h> | ||
23 | #include <asm/page.h> | ||
24 | #include <asm/processor.h> | ||
25 | |||
26 | /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB). | ||
27 | * The page copy blockops can use 0x6000000 to 0x8000000. | ||
28 | * The TSB is mapped in the 0x8000000 to 0xa000000 range. | ||
29 | * The PROM resides in an area spanning 0xf0000000 to 0x100000000. | ||
30 | * The vmalloc area spans 0x100000000 to 0x200000000. | ||
31 | * Since modules need to be in the lowest 32-bits of the address space, | ||
32 | * we place them right before the OBP area from 0x10000000 to 0xf0000000. | ||
33 | * There is a single static kernel PMD which maps from 0x0 to address | ||
34 | * 0x400000000. | ||
35 | */ | ||
36 | #define TLBTEMP_BASE _AC(0x0000000006000000,UL) | ||
37 | #define TSBMAP_BASE _AC(0x0000000008000000,UL) | ||
38 | #define MODULES_VADDR _AC(0x0000000010000000,UL) | ||
39 | #define MODULES_LEN _AC(0x00000000e0000000,UL) | ||
40 | #define MODULES_END _AC(0x00000000f0000000,UL) | ||
41 | #define LOW_OBP_ADDRESS _AC(0x00000000f0000000,UL) | ||
42 | #define HI_OBP_ADDRESS _AC(0x0000000100000000,UL) | ||
43 | #define VMALLOC_START _AC(0x0000000100000000,UL) | ||
44 | #define VMALLOC_END _AC(0x0000000200000000,UL) | ||
45 | #define VMEMMAP_BASE _AC(0x0000000200000000,UL) | ||
46 | |||
47 | #define vmemmap ((struct page *)VMEMMAP_BASE) | ||
48 | |||
49 | /* XXX All of this needs to be rethought so we can take advantage | ||
50 | * XXX cheetah's full 64-bit virtual address space, ie. no more hole | ||
51 | * XXX in the middle like on spitfire. -DaveM | ||
52 | */ | ||
53 | /* | ||
54 | * Given a virtual address, the lowest PAGE_SHIFT bits determine offset | ||
55 | * into the page; the next higher PAGE_SHIFT-3 bits determine the pte# | ||
56 | * in the proper pagetable (the -3 is from the 8 byte ptes, and each page | ||
57 | * table is a single page long). The next higher PMD_BITS determine pmd# | ||
58 | * in the proper pmdtable (where we must have PMD_BITS <= (PAGE_SHIFT-2) | ||
59 | * since the pmd entries are 4 bytes, and each pmd page is a single page | ||
60 | * long). Finally, the higher few bits determine pgde#. | ||
61 | */ | ||
62 | |||
63 | /* PMD_SHIFT determines the size of the area a second-level page | ||
64 | * table can map | ||
65 | */ | ||
66 | #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3)) | ||
67 | #define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) | ||
68 | #define PMD_MASK (~(PMD_SIZE-1)) | ||
69 | #define PMD_BITS (PAGE_SHIFT - 2) | ||
70 | |||
71 | /* PGDIR_SHIFT determines what a third-level page table entry can map */ | ||
72 | #define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS) | ||
73 | #define PGDIR_SIZE (_AC(1,UL) << PGDIR_SHIFT) | ||
74 | #define PGDIR_MASK (~(PGDIR_SIZE-1)) | ||
75 | #define PGDIR_BITS (PAGE_SHIFT - 2) | ||
76 | |||
77 | #ifndef __ASSEMBLY__ | ||
78 | |||
79 | #include <linux/sched.h> | ||
80 | |||
81 | /* Entries per page directory level. */ | ||
82 | #define PTRS_PER_PTE (1UL << (PAGE_SHIFT-3)) | ||
83 | #define PTRS_PER_PMD (1UL << PMD_BITS) | ||
84 | #define PTRS_PER_PGD (1UL << PGDIR_BITS) | ||
85 | |||
86 | /* Kernel has a separate 44bit address space. */ | ||
87 | #define FIRST_USER_ADDRESS 0 | ||
88 | |||
89 | #define pte_ERROR(e) __builtin_trap() | ||
90 | #define pmd_ERROR(e) __builtin_trap() | ||
91 | #define pgd_ERROR(e) __builtin_trap() | ||
92 | |||
93 | #endif /* !(__ASSEMBLY__) */ | ||
94 | |||
95 | /* PTE bits which are the same in SUN4U and SUN4V format. */ | ||
96 | #define _PAGE_VALID _AC(0x8000000000000000,UL) /* Valid TTE */ | ||
97 | #define _PAGE_R _AC(0x8000000000000000,UL) /* Keep ref bit uptodate*/ | ||
98 | |||
99 | /* SUN4U pte bits... */ | ||
100 | #define _PAGE_SZ4MB_4U _AC(0x6000000000000000,UL) /* 4MB Page */ | ||
101 | #define _PAGE_SZ512K_4U _AC(0x4000000000000000,UL) /* 512K Page */ | ||
102 | #define _PAGE_SZ64K_4U _AC(0x2000000000000000,UL) /* 64K Page */ | ||
103 | #define _PAGE_SZ8K_4U _AC(0x0000000000000000,UL) /* 8K Page */ | ||
104 | #define _PAGE_NFO_4U _AC(0x1000000000000000,UL) /* No Fault Only */ | ||
105 | #define _PAGE_IE_4U _AC(0x0800000000000000,UL) /* Invert Endianness */ | ||
106 | #define _PAGE_SOFT2_4U _AC(0x07FC000000000000,UL) /* Software bits, set 2 */ | ||
107 | #define _PAGE_RES1_4U _AC(0x0002000000000000,UL) /* Reserved */ | ||
108 | #define _PAGE_SZ32MB_4U _AC(0x0001000000000000,UL) /* (Panther) 32MB page */ | ||
109 | #define _PAGE_SZ256MB_4U _AC(0x2001000000000000,UL) /* (Panther) 256MB page */ | ||
110 | #define _PAGE_SZALL_4U _AC(0x6001000000000000,UL) /* All pgsz bits */ | ||
111 | #define _PAGE_SN_4U _AC(0x0000800000000000,UL) /* (Cheetah) Snoop */ | ||
112 | #define _PAGE_RES2_4U _AC(0x0000780000000000,UL) /* Reserved */ | ||
113 | #define _PAGE_PADDR_4U _AC(0x000007FFFFFFE000,UL) /* (Cheetah) pa[42:13] */ | ||
114 | #define _PAGE_SOFT_4U _AC(0x0000000000001F80,UL) /* Software bits: */ | ||
115 | #define _PAGE_EXEC_4U _AC(0x0000000000001000,UL) /* Executable SW bit */ | ||
116 | #define _PAGE_MODIFIED_4U _AC(0x0000000000000800,UL) /* Modified (dirty) */ | ||
117 | #define _PAGE_FILE_4U _AC(0x0000000000000800,UL) /* Pagecache page */ | ||
118 | #define _PAGE_ACCESSED_4U _AC(0x0000000000000400,UL) /* Accessed (ref'd) */ | ||
119 | #define _PAGE_READ_4U _AC(0x0000000000000200,UL) /* Readable SW Bit */ | ||
120 | #define _PAGE_WRITE_4U _AC(0x0000000000000100,UL) /* Writable SW Bit */ | ||
121 | #define _PAGE_PRESENT_4U _AC(0x0000000000000080,UL) /* Present */ | ||
122 | #define _PAGE_L_4U _AC(0x0000000000000040,UL) /* Locked TTE */ | ||
123 | #define _PAGE_CP_4U _AC(0x0000000000000020,UL) /* Cacheable in P-Cache */ | ||
124 | #define _PAGE_CV_4U _AC(0x0000000000000010,UL) /* Cacheable in V-Cache */ | ||
125 | #define _PAGE_E_4U _AC(0x0000000000000008,UL) /* side-Effect */ | ||
126 | #define _PAGE_P_4U _AC(0x0000000000000004,UL) /* Privileged Page */ | ||
127 | #define _PAGE_W_4U _AC(0x0000000000000002,UL) /* Writable */ | ||
128 | |||
129 | /* SUN4V pte bits... */ | ||
130 | #define _PAGE_NFO_4V _AC(0x4000000000000000,UL) /* No Fault Only */ | ||
131 | #define _PAGE_SOFT2_4V _AC(0x3F00000000000000,UL) /* Software bits, set 2 */ | ||
132 | #define _PAGE_MODIFIED_4V _AC(0x2000000000000000,UL) /* Modified (dirty) */ | ||
133 | #define _PAGE_ACCESSED_4V _AC(0x1000000000000000,UL) /* Accessed (ref'd) */ | ||
134 | #define _PAGE_READ_4V _AC(0x0800000000000000,UL) /* Readable SW Bit */ | ||
135 | #define _PAGE_WRITE_4V _AC(0x0400000000000000,UL) /* Writable SW Bit */ | ||
136 | #define _PAGE_PADDR_4V _AC(0x00FFFFFFFFFFE000,UL) /* paddr[55:13] */ | ||
137 | #define _PAGE_IE_4V _AC(0x0000000000001000,UL) /* Invert Endianness */ | ||
138 | #define _PAGE_E_4V _AC(0x0000000000000800,UL) /* side-Effect */ | ||
139 | #define _PAGE_CP_4V _AC(0x0000000000000400,UL) /* Cacheable in P-Cache */ | ||
140 | #define _PAGE_CV_4V _AC(0x0000000000000200,UL) /* Cacheable in V-Cache */ | ||
141 | #define _PAGE_P_4V _AC(0x0000000000000100,UL) /* Privileged Page */ | ||
142 | #define _PAGE_EXEC_4V _AC(0x0000000000000080,UL) /* Executable Page */ | ||
143 | #define _PAGE_W_4V _AC(0x0000000000000040,UL) /* Writable */ | ||
144 | #define _PAGE_SOFT_4V _AC(0x0000000000000030,UL) /* Software bits */ | ||
145 | #define _PAGE_FILE_4V _AC(0x0000000000000020,UL) /* Pagecache page */ | ||
146 | #define _PAGE_PRESENT_4V _AC(0x0000000000000010,UL) /* Present */ | ||
147 | #define _PAGE_RESV_4V _AC(0x0000000000000008,UL) /* Reserved */ | ||
148 | #define _PAGE_SZ16GB_4V _AC(0x0000000000000007,UL) /* 16GB Page */ | ||
149 | #define _PAGE_SZ2GB_4V _AC(0x0000000000000006,UL) /* 2GB Page */ | ||
150 | #define _PAGE_SZ256MB_4V _AC(0x0000000000000005,UL) /* 256MB Page */ | ||
151 | #define _PAGE_SZ32MB_4V _AC(0x0000000000000004,UL) /* 32MB Page */ | ||
152 | #define _PAGE_SZ4MB_4V _AC(0x0000000000000003,UL) /* 4MB Page */ | ||
153 | #define _PAGE_SZ512K_4V _AC(0x0000000000000002,UL) /* 512K Page */ | ||
154 | #define _PAGE_SZ64K_4V _AC(0x0000000000000001,UL) /* 64K Page */ | ||
155 | #define _PAGE_SZ8K_4V _AC(0x0000000000000000,UL) /* 8K Page */ | ||
156 | #define _PAGE_SZALL_4V _AC(0x0000000000000007,UL) /* All pgsz bits */ | ||
157 | |||
158 | #if PAGE_SHIFT == 13 | ||
159 | #define _PAGE_SZBITS_4U _PAGE_SZ8K_4U | ||
160 | #define _PAGE_SZBITS_4V _PAGE_SZ8K_4V | ||
161 | #elif PAGE_SHIFT == 16 | ||
162 | #define _PAGE_SZBITS_4U _PAGE_SZ64K_4U | ||
163 | #define _PAGE_SZBITS_4V _PAGE_SZ64K_4V | ||
164 | #elif PAGE_SHIFT == 19 | ||
165 | #define _PAGE_SZBITS_4U _PAGE_SZ512K_4U | ||
166 | #define _PAGE_SZBITS_4V _PAGE_SZ512K_4V | ||
167 | #elif PAGE_SHIFT == 22 | ||
168 | #define _PAGE_SZBITS_4U _PAGE_SZ4MB_4U | ||
169 | #define _PAGE_SZBITS_4V _PAGE_SZ4MB_4V | ||
170 | #else | ||
171 | #error Wrong PAGE_SHIFT specified | ||
172 | #endif | ||
173 | |||
174 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) | ||
175 | #define _PAGE_SZHUGE_4U _PAGE_SZ4MB_4U | ||
176 | #define _PAGE_SZHUGE_4V _PAGE_SZ4MB_4V | ||
177 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) | ||
178 | #define _PAGE_SZHUGE_4U _PAGE_SZ512K_4U | ||
179 | #define _PAGE_SZHUGE_4V _PAGE_SZ512K_4V | ||
180 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
181 | #define _PAGE_SZHUGE_4U _PAGE_SZ64K_4U | ||
182 | #define _PAGE_SZHUGE_4V _PAGE_SZ64K_4V | ||
183 | #endif | ||
184 | |||
185 | /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */ | ||
186 | #define __P000 __pgprot(0) | ||
187 | #define __P001 __pgprot(0) | ||
188 | #define __P010 __pgprot(0) | ||
189 | #define __P011 __pgprot(0) | ||
190 | #define __P100 __pgprot(0) | ||
191 | #define __P101 __pgprot(0) | ||
192 | #define __P110 __pgprot(0) | ||
193 | #define __P111 __pgprot(0) | ||
194 | |||
195 | #define __S000 __pgprot(0) | ||
196 | #define __S001 __pgprot(0) | ||
197 | #define __S010 __pgprot(0) | ||
198 | #define __S011 __pgprot(0) | ||
199 | #define __S100 __pgprot(0) | ||
200 | #define __S101 __pgprot(0) | ||
201 | #define __S110 __pgprot(0) | ||
202 | #define __S111 __pgprot(0) | ||
203 | |||
204 | #ifndef __ASSEMBLY__ | ||
205 | |||
206 | extern pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long); | ||
207 | |||
208 | extern unsigned long pte_sz_bits(unsigned long size); | ||
209 | |||
210 | extern pgprot_t PAGE_KERNEL; | ||
211 | extern pgprot_t PAGE_KERNEL_LOCKED; | ||
212 | extern pgprot_t PAGE_COPY; | ||
213 | extern pgprot_t PAGE_SHARED; | ||
214 | |||
215 | /* XXX This uglyness is for the atyfb driver's sparc mmap() support. XXX */ | ||
216 | extern unsigned long _PAGE_IE; | ||
217 | extern unsigned long _PAGE_E; | ||
218 | extern unsigned long _PAGE_CACHE; | ||
219 | |||
220 | extern unsigned long pg_iobits; | ||
221 | extern unsigned long _PAGE_ALL_SZ_BITS; | ||
222 | extern unsigned long _PAGE_SZBITS; | ||
223 | |||
224 | extern struct page *mem_map_zero; | ||
225 | #define ZERO_PAGE(vaddr) (mem_map_zero) | ||
226 | |||
227 | /* PFNs are real physical page numbers. However, mem_map only begins to record | ||
228 | * per-page information starting at pfn_base. This is to handle systems where | ||
229 | * the first physical page in the machine is at some huge physical address, | ||
230 | * such as 4GB. This is common on a partitioned E10000, for example. | ||
231 | */ | ||
232 | static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) | ||
233 | { | ||
234 | unsigned long paddr = pfn << PAGE_SHIFT; | ||
235 | unsigned long sz_bits; | ||
236 | |||
237 | sz_bits = 0UL; | ||
238 | if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) { | ||
239 | __asm__ __volatile__( | ||
240 | "\n661: sethi %%uhi(%1), %0\n" | ||
241 | " sllx %0, 32, %0\n" | ||
242 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
243 | " .word 661b\n" | ||
244 | " mov %2, %0\n" | ||
245 | " nop\n" | ||
246 | " .previous\n" | ||
247 | : "=r" (sz_bits) | ||
248 | : "i" (_PAGE_SZBITS_4U), "i" (_PAGE_SZBITS_4V)); | ||
249 | } | ||
250 | return __pte(paddr | sz_bits | pgprot_val(prot)); | ||
251 | } | ||
252 | #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) | ||
253 | |||
254 | /* This one can be done with two shifts. */ | ||
255 | static inline unsigned long pte_pfn(pte_t pte) | ||
256 | { | ||
257 | unsigned long ret; | ||
258 | |||
259 | __asm__ __volatile__( | ||
260 | "\n661: sllx %1, %2, %0\n" | ||
261 | " srlx %0, %3, %0\n" | ||
262 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
263 | " .word 661b\n" | ||
264 | " sllx %1, %4, %0\n" | ||
265 | " srlx %0, %5, %0\n" | ||
266 | " .previous\n" | ||
267 | : "=r" (ret) | ||
268 | : "r" (pte_val(pte)), | ||
269 | "i" (21), "i" (21 + PAGE_SHIFT), | ||
270 | "i" (8), "i" (8 + PAGE_SHIFT)); | ||
271 | |||
272 | return ret; | ||
273 | } | ||
274 | #define pte_page(x) pfn_to_page(pte_pfn(x)) | ||
275 | |||
276 | static inline pte_t pte_modify(pte_t pte, pgprot_t prot) | ||
277 | { | ||
278 | unsigned long mask, tmp; | ||
279 | |||
280 | /* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347) | ||
281 | * SUN4V: 0x30ffffffffffee17 (negated == 0xcf000000000011e8) | ||
282 | * | ||
283 | * Even if we use negation tricks the result is still a 6 | ||
284 | * instruction sequence, so don't try to play fancy and just | ||
285 | * do the most straightforward implementation. | ||
286 | * | ||
287 | * Note: We encode this into 3 sun4v 2-insn patch sequences. | ||
288 | */ | ||
289 | |||
290 | __asm__ __volatile__( | ||
291 | "\n661: sethi %%uhi(%2), %1\n" | ||
292 | " sethi %%hi(%2), %0\n" | ||
293 | "\n662: or %1, %%ulo(%2), %1\n" | ||
294 | " or %0, %%lo(%2), %0\n" | ||
295 | "\n663: sllx %1, 32, %1\n" | ||
296 | " or %0, %1, %0\n" | ||
297 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
298 | " .word 661b\n" | ||
299 | " sethi %%uhi(%3), %1\n" | ||
300 | " sethi %%hi(%3), %0\n" | ||
301 | " .word 662b\n" | ||
302 | " or %1, %%ulo(%3), %1\n" | ||
303 | " or %0, %%lo(%3), %0\n" | ||
304 | " .word 663b\n" | ||
305 | " sllx %1, 32, %1\n" | ||
306 | " or %0, %1, %0\n" | ||
307 | " .previous\n" | ||
308 | : "=r" (mask), "=r" (tmp) | ||
309 | : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U | | ||
310 | _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U | | ||
311 | _PAGE_SZBITS_4U), | ||
312 | "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V | | ||
313 | _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V | | ||
314 | _PAGE_SZBITS_4V)); | ||
315 | |||
316 | return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask)); | ||
317 | } | ||
318 | |||
319 | static inline pte_t pgoff_to_pte(unsigned long off) | ||
320 | { | ||
321 | off <<= PAGE_SHIFT; | ||
322 | |||
323 | __asm__ __volatile__( | ||
324 | "\n661: or %0, %2, %0\n" | ||
325 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
326 | " .word 661b\n" | ||
327 | " or %0, %3, %0\n" | ||
328 | " .previous\n" | ||
329 | : "=r" (off) | ||
330 | : "0" (off), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); | ||
331 | |||
332 | return __pte(off); | ||
333 | } | ||
334 | |||
335 | static inline pgprot_t pgprot_noncached(pgprot_t prot) | ||
336 | { | ||
337 | unsigned long val = pgprot_val(prot); | ||
338 | |||
339 | __asm__ __volatile__( | ||
340 | "\n661: andn %0, %2, %0\n" | ||
341 | " or %0, %3, %0\n" | ||
342 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
343 | " .word 661b\n" | ||
344 | " andn %0, %4, %0\n" | ||
345 | " or %0, %5, %0\n" | ||
346 | " .previous\n" | ||
347 | : "=r" (val) | ||
348 | : "0" (val), "i" (_PAGE_CP_4U | _PAGE_CV_4U), "i" (_PAGE_E_4U), | ||
349 | "i" (_PAGE_CP_4V | _PAGE_CV_4V), "i" (_PAGE_E_4V)); | ||
350 | |||
351 | return __pgprot(val); | ||
352 | } | ||
353 | /* Various pieces of code check for platform support by ifdef testing | ||
354 | * on "pgprot_noncached". That's broken and should be fixed, but for | ||
355 | * now... | ||
356 | */ | ||
357 | #define pgprot_noncached pgprot_noncached | ||
358 | |||
359 | #ifdef CONFIG_HUGETLB_PAGE | ||
360 | static inline pte_t pte_mkhuge(pte_t pte) | ||
361 | { | ||
362 | unsigned long mask; | ||
363 | |||
364 | __asm__ __volatile__( | ||
365 | "\n661: sethi %%uhi(%1), %0\n" | ||
366 | " sllx %0, 32, %0\n" | ||
367 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
368 | " .word 661b\n" | ||
369 | " mov %2, %0\n" | ||
370 | " nop\n" | ||
371 | " .previous\n" | ||
372 | : "=r" (mask) | ||
373 | : "i" (_PAGE_SZHUGE_4U), "i" (_PAGE_SZHUGE_4V)); | ||
374 | |||
375 | return __pte(pte_val(pte) | mask); | ||
376 | } | ||
377 | #endif | ||
378 | |||
379 | static inline pte_t pte_mkdirty(pte_t pte) | ||
380 | { | ||
381 | unsigned long val = pte_val(pte), tmp; | ||
382 | |||
383 | __asm__ __volatile__( | ||
384 | "\n661: or %0, %3, %0\n" | ||
385 | " nop\n" | ||
386 | "\n662: nop\n" | ||
387 | " nop\n" | ||
388 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
389 | " .word 661b\n" | ||
390 | " sethi %%uhi(%4), %1\n" | ||
391 | " sllx %1, 32, %1\n" | ||
392 | " .word 662b\n" | ||
393 | " or %1, %%lo(%4), %1\n" | ||
394 | " or %0, %1, %0\n" | ||
395 | " .previous\n" | ||
396 | : "=r" (val), "=r" (tmp) | ||
397 | : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U), | ||
398 | "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V)); | ||
399 | |||
400 | return __pte(val); | ||
401 | } | ||
402 | |||
403 | static inline pte_t pte_mkclean(pte_t pte) | ||
404 | { | ||
405 | unsigned long val = pte_val(pte), tmp; | ||
406 | |||
407 | __asm__ __volatile__( | ||
408 | "\n661: andn %0, %3, %0\n" | ||
409 | " nop\n" | ||
410 | "\n662: nop\n" | ||
411 | " nop\n" | ||
412 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
413 | " .word 661b\n" | ||
414 | " sethi %%uhi(%4), %1\n" | ||
415 | " sllx %1, 32, %1\n" | ||
416 | " .word 662b\n" | ||
417 | " or %1, %%lo(%4), %1\n" | ||
418 | " andn %0, %1, %0\n" | ||
419 | " .previous\n" | ||
420 | : "=r" (val), "=r" (tmp) | ||
421 | : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U), | ||
422 | "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V)); | ||
423 | |||
424 | return __pte(val); | ||
425 | } | ||
426 | |||
427 | static inline pte_t pte_mkwrite(pte_t pte) | ||
428 | { | ||
429 | unsigned long val = pte_val(pte), mask; | ||
430 | |||
431 | __asm__ __volatile__( | ||
432 | "\n661: mov %1, %0\n" | ||
433 | " nop\n" | ||
434 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
435 | " .word 661b\n" | ||
436 | " sethi %%uhi(%2), %0\n" | ||
437 | " sllx %0, 32, %0\n" | ||
438 | " .previous\n" | ||
439 | : "=r" (mask) | ||
440 | : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V)); | ||
441 | |||
442 | return __pte(val | mask); | ||
443 | } | ||
444 | |||
445 | static inline pte_t pte_wrprotect(pte_t pte) | ||
446 | { | ||
447 | unsigned long val = pte_val(pte), tmp; | ||
448 | |||
449 | __asm__ __volatile__( | ||
450 | "\n661: andn %0, %3, %0\n" | ||
451 | " nop\n" | ||
452 | "\n662: nop\n" | ||
453 | " nop\n" | ||
454 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
455 | " .word 661b\n" | ||
456 | " sethi %%uhi(%4), %1\n" | ||
457 | " sllx %1, 32, %1\n" | ||
458 | " .word 662b\n" | ||
459 | " or %1, %%lo(%4), %1\n" | ||
460 | " andn %0, %1, %0\n" | ||
461 | " .previous\n" | ||
462 | : "=r" (val), "=r" (tmp) | ||
463 | : "0" (val), "i" (_PAGE_WRITE_4U | _PAGE_W_4U), | ||
464 | "i" (_PAGE_WRITE_4V | _PAGE_W_4V)); | ||
465 | |||
466 | return __pte(val); | ||
467 | } | ||
468 | |||
469 | static inline pte_t pte_mkold(pte_t pte) | ||
470 | { | ||
471 | unsigned long mask; | ||
472 | |||
473 | __asm__ __volatile__( | ||
474 | "\n661: mov %1, %0\n" | ||
475 | " nop\n" | ||
476 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
477 | " .word 661b\n" | ||
478 | " sethi %%uhi(%2), %0\n" | ||
479 | " sllx %0, 32, %0\n" | ||
480 | " .previous\n" | ||
481 | : "=r" (mask) | ||
482 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
483 | |||
484 | mask |= _PAGE_R; | ||
485 | |||
486 | return __pte(pte_val(pte) & ~mask); | ||
487 | } | ||
488 | |||
489 | static inline pte_t pte_mkyoung(pte_t pte) | ||
490 | { | ||
491 | unsigned long mask; | ||
492 | |||
493 | __asm__ __volatile__( | ||
494 | "\n661: mov %1, %0\n" | ||
495 | " nop\n" | ||
496 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
497 | " .word 661b\n" | ||
498 | " sethi %%uhi(%2), %0\n" | ||
499 | " sllx %0, 32, %0\n" | ||
500 | " .previous\n" | ||
501 | : "=r" (mask) | ||
502 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
503 | |||
504 | mask |= _PAGE_R; | ||
505 | |||
506 | return __pte(pte_val(pte) | mask); | ||
507 | } | ||
508 | |||
509 | static inline pte_t pte_mkspecial(pte_t pte) | ||
510 | { | ||
511 | return pte; | ||
512 | } | ||
513 | |||
514 | static inline unsigned long pte_young(pte_t pte) | ||
515 | { | ||
516 | unsigned long mask; | ||
517 | |||
518 | __asm__ __volatile__( | ||
519 | "\n661: mov %1, %0\n" | ||
520 | " nop\n" | ||
521 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
522 | " .word 661b\n" | ||
523 | " sethi %%uhi(%2), %0\n" | ||
524 | " sllx %0, 32, %0\n" | ||
525 | " .previous\n" | ||
526 | : "=r" (mask) | ||
527 | : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V)); | ||
528 | |||
529 | return (pte_val(pte) & mask); | ||
530 | } | ||
531 | |||
532 | static inline unsigned long pte_dirty(pte_t pte) | ||
533 | { | ||
534 | unsigned long mask; | ||
535 | |||
536 | __asm__ __volatile__( | ||
537 | "\n661: mov %1, %0\n" | ||
538 | " nop\n" | ||
539 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
540 | " .word 661b\n" | ||
541 | " sethi %%uhi(%2), %0\n" | ||
542 | " sllx %0, 32, %0\n" | ||
543 | " .previous\n" | ||
544 | : "=r" (mask) | ||
545 | : "i" (_PAGE_MODIFIED_4U), "i" (_PAGE_MODIFIED_4V)); | ||
546 | |||
547 | return (pte_val(pte) & mask); | ||
548 | } | ||
549 | |||
550 | static inline unsigned long pte_write(pte_t pte) | ||
551 | { | ||
552 | unsigned long mask; | ||
553 | |||
554 | __asm__ __volatile__( | ||
555 | "\n661: mov %1, %0\n" | ||
556 | " nop\n" | ||
557 | " .section .sun4v_2insn_patch, \"ax\"\n" | ||
558 | " .word 661b\n" | ||
559 | " sethi %%uhi(%2), %0\n" | ||
560 | " sllx %0, 32, %0\n" | ||
561 | " .previous\n" | ||
562 | : "=r" (mask) | ||
563 | : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V)); | ||
564 | |||
565 | return (pte_val(pte) & mask); | ||
566 | } | ||
567 | |||
568 | static inline unsigned long pte_exec(pte_t pte) | ||
569 | { | ||
570 | unsigned long mask; | ||
571 | |||
572 | __asm__ __volatile__( | ||
573 | "\n661: sethi %%hi(%1), %0\n" | ||
574 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
575 | " .word 661b\n" | ||
576 | " mov %2, %0\n" | ||
577 | " .previous\n" | ||
578 | : "=r" (mask) | ||
579 | : "i" (_PAGE_EXEC_4U), "i" (_PAGE_EXEC_4V)); | ||
580 | |||
581 | return (pte_val(pte) & mask); | ||
582 | } | ||
583 | |||
584 | static inline unsigned long pte_file(pte_t pte) | ||
585 | { | ||
586 | unsigned long val = pte_val(pte); | ||
587 | |||
588 | __asm__ __volatile__( | ||
589 | "\n661: and %0, %2, %0\n" | ||
590 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
591 | " .word 661b\n" | ||
592 | " and %0, %3, %0\n" | ||
593 | " .previous\n" | ||
594 | : "=r" (val) | ||
595 | : "0" (val), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); | ||
596 | |||
597 | return val; | ||
598 | } | ||
599 | |||
600 | static inline unsigned long pte_present(pte_t pte) | ||
601 | { | ||
602 | unsigned long val = pte_val(pte); | ||
603 | |||
604 | __asm__ __volatile__( | ||
605 | "\n661: and %0, %2, %0\n" | ||
606 | " .section .sun4v_1insn_patch, \"ax\"\n" | ||
607 | " .word 661b\n" | ||
608 | " and %0, %3, %0\n" | ||
609 | " .previous\n" | ||
610 | : "=r" (val) | ||
611 | : "0" (val), "i" (_PAGE_PRESENT_4U), "i" (_PAGE_PRESENT_4V)); | ||
612 | |||
613 | return val; | ||
614 | } | ||
615 | |||
616 | static inline int pte_special(pte_t pte) | ||
617 | { | ||
618 | return 0; | ||
619 | } | ||
620 | |||
621 | #define pmd_set(pmdp, ptep) \ | ||
622 | (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL)) | ||
623 | #define pud_set(pudp, pmdp) \ | ||
624 | (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> 11UL)) | ||
625 | #define __pmd_page(pmd) \ | ||
626 | ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<11UL))) | ||
627 | #define pmd_page(pmd) virt_to_page((void *)__pmd_page(pmd)) | ||
628 | #define pud_page_vaddr(pud) \ | ||
629 | ((unsigned long) __va((((unsigned long)pud_val(pud))<<11UL))) | ||
630 | #define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud)) | ||
631 | #define pmd_none(pmd) (!pmd_val(pmd)) | ||
632 | #define pmd_bad(pmd) (0) | ||
633 | #define pmd_present(pmd) (pmd_val(pmd) != 0U) | ||
634 | #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0U) | ||
635 | #define pud_none(pud) (!pud_val(pud)) | ||
636 | #define pud_bad(pud) (0) | ||
637 | #define pud_present(pud) (pud_val(pud) != 0U) | ||
638 | #define pud_clear(pudp) (pud_val(*(pudp)) = 0U) | ||
639 | |||
640 | /* Same in both SUN4V and SUN4U. */ | ||
641 | #define pte_none(pte) (!pte_val(pte)) | ||
642 | |||
643 | /* to find an entry in a page-table-directory. */ | ||
644 | #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) | ||
645 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | ||
646 | |||
647 | /* to find an entry in a kernel page-table-directory */ | ||
648 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) | ||
649 | |||
650 | /* Find an entry in the second-level page table.. */ | ||
651 | #define pmd_offset(pudp, address) \ | ||
652 | ((pmd_t *) pud_page_vaddr(*(pudp)) + \ | ||
653 | (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))) | ||
654 | |||
655 | /* Find an entry in the third-level page table.. */ | ||
656 | #define pte_index(dir, address) \ | ||
657 | ((pte_t *) __pmd_page(*(dir)) + \ | ||
658 | ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) | ||
659 | #define pte_offset_kernel pte_index | ||
660 | #define pte_offset_map pte_index | ||
661 | #define pte_offset_map_nested pte_index | ||
662 | #define pte_unmap(pte) do { } while (0) | ||
663 | #define pte_unmap_nested(pte) do { } while (0) | ||
664 | |||
665 | /* Actual page table PTE updates. */ | ||
666 | extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig); | ||
667 | |||
668 | static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) | ||
669 | { | ||
670 | pte_t orig = *ptep; | ||
671 | |||
672 | *ptep = pte; | ||
673 | |||
674 | /* It is more efficient to let flush_tlb_kernel_range() | ||
675 | * handle init_mm tlb flushes. | ||
676 | * | ||
677 | * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U | ||
678 | * and SUN4V pte layout, so this inline test is fine. | ||
679 | */ | ||
680 | if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID)) | ||
681 | tlb_batch_add(mm, addr, ptep, orig); | ||
682 | } | ||
683 | |||
684 | #define pte_clear(mm,addr,ptep) \ | ||
685 | set_pte_at((mm), (addr), (ptep), __pte(0UL)) | ||
686 | |||
687 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
688 | #define __HAVE_ARCH_MOVE_PTE | ||
689 | #define move_pte(pte, prot, old_addr, new_addr) \ | ||
690 | ({ \ | ||
691 | pte_t newpte = (pte); \ | ||
692 | if (tlb_type != hypervisor && pte_present(pte)) { \ | ||
693 | unsigned long this_pfn = pte_pfn(pte); \ | ||
694 | \ | ||
695 | if (pfn_valid(this_pfn) && \ | ||
696 | (((old_addr) ^ (new_addr)) & (1 << 13))) \ | ||
697 | flush_dcache_page_all(current->mm, \ | ||
698 | pfn_to_page(this_pfn)); \ | ||
699 | } \ | ||
700 | newpte; \ | ||
701 | }) | ||
702 | #endif | ||
703 | |||
704 | extern pgd_t swapper_pg_dir[2048]; | ||
705 | extern pmd_t swapper_low_pmd_dir[2048]; | ||
706 | |||
707 | extern void paging_init(void); | ||
708 | extern unsigned long find_ecache_flush_span(unsigned long size); | ||
709 | |||
710 | /* These do nothing with the way I have things setup. */ | ||
711 | #define mmu_lockarea(vaddr, len) (vaddr) | ||
712 | #define mmu_unlockarea(vaddr, len) do { } while(0) | ||
713 | |||
714 | struct vm_area_struct; | ||
715 | extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); | ||
716 | |||
717 | /* Encode and de-code a swap entry */ | ||
718 | #define __swp_type(entry) (((entry).val >> PAGE_SHIFT) & 0xffUL) | ||
719 | #define __swp_offset(entry) ((entry).val >> (PAGE_SHIFT + 8UL)) | ||
720 | #define __swp_entry(type, offset) \ | ||
721 | ( (swp_entry_t) \ | ||
722 | { \ | ||
723 | (((long)(type) << PAGE_SHIFT) | \ | ||
724 | ((long)(offset) << (PAGE_SHIFT + 8UL))) \ | ||
725 | } ) | ||
726 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
727 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
728 | |||
729 | /* File offset in PTE support. */ | ||
730 | extern unsigned long pte_file(pte_t); | ||
731 | #define pte_to_pgoff(pte) (pte_val(pte) >> PAGE_SHIFT) | ||
732 | extern pte_t pgoff_to_pte(unsigned long); | ||
733 | #define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL) | ||
734 | |||
735 | extern unsigned long *sparc64_valid_addr_bitmap; | ||
736 | |||
737 | /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ | ||
738 | #define kern_addr_valid(addr) \ | ||
739 | (test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap)) | ||
740 | |||
741 | extern int page_in_phys_avail(unsigned long paddr); | ||
742 | |||
743 | extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, | ||
744 | unsigned long pfn, | ||
745 | unsigned long size, pgprot_t prot); | ||
746 | |||
747 | /* | ||
748 | * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in | ||
749 | * its high 4 bits. These macros/functions put it there or get it from there. | ||
750 | */ | ||
751 | #define MK_IOSPACE_PFN(space, pfn) (pfn | (space << (BITS_PER_LONG - 4))) | ||
752 | #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) | ||
753 | #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) | ||
754 | |||
755 | #include <asm-generic/pgtable.h> | ||
756 | |||
757 | /* We provide our own get_unmapped_area to cope with VA holes and | ||
758 | * SHM area cache aliasing for userland. | ||
759 | */ | ||
760 | #define HAVE_ARCH_UNMAPPED_AREA | ||
761 | #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN | ||
762 | |||
763 | /* We provide a special get_unmapped_area for framebuffer mmaps to try and use | ||
764 | * the largest alignment possible such that larget PTEs can be used. | ||
765 | */ | ||
766 | extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, | ||
767 | unsigned long, unsigned long, | ||
768 | unsigned long); | ||
769 | #define HAVE_ARCH_FB_UNMAPPED_AREA | ||
770 | |||
771 | extern void pgtable_cache_init(void); | ||
772 | extern void sun4v_register_fault_status(void); | ||
773 | extern void sun4v_ktsb_register(void); | ||
774 | extern void __init cheetah_ecache_flush_init(void); | ||
775 | extern void sun4v_patch_tlb_handlers(void); | ||
776 | |||
777 | extern unsigned long cmdline_memory_size; | ||
778 | |||
779 | #endif /* !(__ASSEMBLY__) */ | ||
780 | |||
781 | #endif /* !(_SPARC64_PGTABLE_H) */ | ||
diff --git a/include/asm-sparc64/posix_types.h b/include/asm-sparc64/posix_types.h index 4eaaa0196636..8cee99200232 100644 --- a/include/asm-sparc64/posix_types.h +++ b/include/asm-sparc64/posix_types.h | |||
@@ -1,122 +1 @@ | |||
1 | #ifndef __ARCH_SPARC64_POSIX_TYPES_H | #include <asm-sparc/posix_types.h> | |
2 | #define __ARCH_SPARC64_POSIX_TYPES_H | ||
3 | |||
4 | /* | ||
5 | * This file is generally used by user-level software, so you need to | ||
6 | * be a little careful about namespace pollution etc. Also, we cannot | ||
7 | * assume GCC is being used. | ||
8 | */ | ||
9 | |||
10 | typedef unsigned long __kernel_size_t; | ||
11 | typedef long __kernel_ssize_t; | ||
12 | typedef long __kernel_ptrdiff_t; | ||
13 | typedef long __kernel_time_t; | ||
14 | typedef long __kernel_clock_t; | ||
15 | typedef int __kernel_pid_t; | ||
16 | typedef int __kernel_ipc_pid_t; | ||
17 | typedef unsigned int __kernel_uid_t; | ||
18 | typedef unsigned int __kernel_gid_t; | ||
19 | typedef unsigned long __kernel_ino_t; | ||
20 | typedef unsigned int __kernel_mode_t; | ||
21 | typedef unsigned short __kernel_umode_t; | ||
22 | typedef unsigned int __kernel_nlink_t; | ||
23 | typedef int __kernel_daddr_t; | ||
24 | typedef long __kernel_off_t; | ||
25 | typedef char * __kernel_caddr_t; | ||
26 | typedef unsigned short __kernel_uid16_t; | ||
27 | typedef unsigned short __kernel_gid16_t; | ||
28 | typedef int __kernel_clockid_t; | ||
29 | typedef int __kernel_timer_t; | ||
30 | |||
31 | typedef unsigned short __kernel_old_uid_t; | ||
32 | typedef unsigned short __kernel_old_gid_t; | ||
33 | typedef __kernel_uid_t __kernel_uid32_t; | ||
34 | typedef __kernel_gid_t __kernel_gid32_t; | ||
35 | |||
36 | typedef unsigned int __kernel_old_dev_t; | ||
37 | |||
38 | /* Note this piece of asymmetry from the v9 ABI. */ | ||
39 | typedef int __kernel_suseconds_t; | ||
40 | |||
41 | #ifdef __GNUC__ | ||
42 | typedef long long __kernel_loff_t; | ||
43 | #endif | ||
44 | |||
45 | typedef struct { | ||
46 | int val[2]; | ||
47 | } __kernel_fsid_t; | ||
48 | |||
49 | #if defined(__KERNEL__) | ||
50 | |||
51 | #undef __FD_SET | ||
52 | static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) | ||
53 | { | ||
54 | unsigned long _tmp = fd / __NFDBITS; | ||
55 | unsigned long _rem = fd % __NFDBITS; | ||
56 | fdsetp->fds_bits[_tmp] |= (1UL<<_rem); | ||
57 | } | ||
58 | |||
59 | #undef __FD_CLR | ||
60 | static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) | ||
61 | { | ||
62 | unsigned long _tmp = fd / __NFDBITS; | ||
63 | unsigned long _rem = fd % __NFDBITS; | ||
64 | fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); | ||
65 | } | ||
66 | |||
67 | #undef __FD_ISSET | ||
68 | static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) | ||
69 | { | ||
70 | unsigned long _tmp = fd / __NFDBITS; | ||
71 | unsigned long _rem = fd % __NFDBITS; | ||
72 | return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; | ||
73 | } | ||
74 | |||
75 | /* | ||
76 | * This will unroll the loop for the normal constant cases (8 or 32 longs, | ||
77 | * for 256 and 1024-bit fd_sets respectively) | ||
78 | */ | ||
79 | #undef __FD_ZERO | ||
80 | static inline void __FD_ZERO(__kernel_fd_set *p) | ||
81 | { | ||
82 | unsigned long *tmp = p->fds_bits; | ||
83 | int i; | ||
84 | |||
85 | if (__builtin_constant_p(__FDSET_LONGS)) { | ||
86 | switch (__FDSET_LONGS) { | ||
87 | case 32: | ||
88 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
89 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
90 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
91 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
92 | tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; | ||
93 | tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; | ||
94 | tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; | ||
95 | tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; | ||
96 | return; | ||
97 | case 16: | ||
98 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
99 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
100 | tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; | ||
101 | tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; | ||
102 | return; | ||
103 | case 8: | ||
104 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
105 | tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; | ||
106 | return; | ||
107 | case 4: | ||
108 | tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; | ||
109 | return; | ||
110 | } | ||
111 | } | ||
112 | i = __FDSET_LONGS; | ||
113 | while (i) { | ||
114 | i--; | ||
115 | *tmp = 0; | ||
116 | tmp++; | ||
117 | } | ||
118 | } | ||
119 | |||
120 | #endif /* defined(__KERNEL__) */ | ||
121 | |||
122 | #endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */ | ||
diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h index 26b4e5255761..21de6cc182eb 100644 --- a/include/asm-sparc64/processor.h +++ b/include/asm-sparc64/processor.h | |||
@@ -1,237 +1 @@ | |||
1 | /* | #include <asm-sparc/processor.h> | |
2 | * include/asm-sparc64/processor.h | ||
3 | * | ||
4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef __ASM_SPARC64_PROCESSOR_H | ||
8 | #define __ASM_SPARC64_PROCESSOR_H | ||
9 | |||
10 | /* | ||
11 | * Sparc64 implementation of macro that returns current | ||
12 | * instruction pointer ("program counter"). | ||
13 | */ | ||
14 | #define current_text_addr() ({ void *pc; __asm__("rd %%pc, %0" : "=r" (pc)); pc; }) | ||
15 | |||
16 | #include <asm/asi.h> | ||
17 | #include <asm/pstate.h> | ||
18 | #include <asm/ptrace.h> | ||
19 | #include <asm/page.h> | ||
20 | |||
21 | /* The sparc has no problems with write protection */ | ||
22 | #define wp_works_ok 1 | ||
23 | #define wp_works_ok__is_a_macro /* for versions in ksyms.c */ | ||
24 | |||
25 | /* | ||
26 | * User lives in his very own context, and cannot reference us. Note | ||
27 | * that TASK_SIZE is a misnomer, it really gives maximum user virtual | ||
28 | * address that the kernel will allocate out. | ||
29 | * | ||
30 | * XXX No longer using virtual page tables, kill this upper limit... | ||
31 | */ | ||
32 | #define VA_BITS 44 | ||
33 | #ifndef __ASSEMBLY__ | ||
34 | #define VPTE_SIZE (1UL << (VA_BITS - PAGE_SHIFT + 3)) | ||
35 | #else | ||
36 | #define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3)) | ||
37 | #endif | ||
38 | |||
39 | #define TASK_SIZE ((unsigned long)-VPTE_SIZE) | ||
40 | #define TASK_SIZE_OF(tsk) \ | ||
41 | (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ | ||
42 | (1UL << 32UL) : TASK_SIZE) | ||
43 | #ifdef __KERNEL__ | ||
44 | |||
45 | #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) | ||
46 | #define STACK_TOP64 (0x0000080000000000UL - (1UL << 32UL)) | ||
47 | |||
48 | #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \ | ||
49 | STACK_TOP32 : STACK_TOP64) | ||
50 | |||
51 | #define STACK_TOP_MAX STACK_TOP64 | ||
52 | |||
53 | #endif | ||
54 | |||
55 | #ifndef __ASSEMBLY__ | ||
56 | |||
57 | typedef struct { | ||
58 | unsigned char seg; | ||
59 | } mm_segment_t; | ||
60 | |||
61 | /* The Sparc processor specific thread struct. */ | ||
62 | /* XXX This should die, everything can go into thread_info now. */ | ||
63 | struct thread_struct { | ||
64 | #ifdef CONFIG_DEBUG_SPINLOCK | ||
65 | /* How many spinlocks held by this thread. | ||
66 | * Used with spin lock debugging to catch tasks | ||
67 | * sleeping illegally with locks held. | ||
68 | */ | ||
69 | int smp_lock_count; | ||
70 | unsigned int smp_lock_pc; | ||
71 | #else | ||
72 | int dummy; /* f'in gcc bug... */ | ||
73 | #endif | ||
74 | }; | ||
75 | |||
76 | #endif /* !(__ASSEMBLY__) */ | ||
77 | |||
78 | #ifndef CONFIG_DEBUG_SPINLOCK | ||
79 | #define INIT_THREAD { \ | ||
80 | 0, \ | ||
81 | } | ||
82 | #else /* CONFIG_DEBUG_SPINLOCK */ | ||
83 | #define INIT_THREAD { \ | ||
84 | /* smp_lock_count, smp_lock_pc, */ \ | ||
85 | 0, 0, \ | ||
86 | } | ||
87 | #endif /* !(CONFIG_DEBUG_SPINLOCK) */ | ||
88 | |||
89 | #ifndef __ASSEMBLY__ | ||
90 | |||
91 | #include <linux/types.h> | ||
92 | |||
93 | /* Return saved PC of a blocked thread. */ | ||
94 | struct task_struct; | ||
95 | extern unsigned long thread_saved_pc(struct task_struct *); | ||
96 | |||
97 | /* On Uniprocessor, even in RMO processes see TSO semantics */ | ||
98 | #ifdef CONFIG_SMP | ||
99 | #define TSTATE_INITIAL_MM TSTATE_TSO | ||
100 | #else | ||
101 | #define TSTATE_INITIAL_MM TSTATE_RMO | ||
102 | #endif | ||
103 | |||
104 | /* Do necessary setup to start up a newly executed thread. */ | ||
105 | #define start_thread(regs, pc, sp) \ | ||
106 | do { \ | ||
107 | unsigned long __asi = ASI_PNF; \ | ||
108 | regs->tstate = (regs->tstate & (TSTATE_CWP)) | (TSTATE_INITIAL_MM|TSTATE_IE) | (__asi << 24UL); \ | ||
109 | regs->tpc = ((pc & (~3)) - 4); \ | ||
110 | regs->tnpc = regs->tpc + 4; \ | ||
111 | regs->y = 0; \ | ||
112 | set_thread_wstate(1 << 3); \ | ||
113 | if (current_thread_info()->utraps) { \ | ||
114 | if (*(current_thread_info()->utraps) < 2) \ | ||
115 | kfree(current_thread_info()->utraps); \ | ||
116 | else \ | ||
117 | (*(current_thread_info()->utraps))--; \ | ||
118 | current_thread_info()->utraps = NULL; \ | ||
119 | } \ | ||
120 | __asm__ __volatile__( \ | ||
121 | "stx %%g0, [%0 + %2 + 0x00]\n\t" \ | ||
122 | "stx %%g0, [%0 + %2 + 0x08]\n\t" \ | ||
123 | "stx %%g0, [%0 + %2 + 0x10]\n\t" \ | ||
124 | "stx %%g0, [%0 + %2 + 0x18]\n\t" \ | ||
125 | "stx %%g0, [%0 + %2 + 0x20]\n\t" \ | ||
126 | "stx %%g0, [%0 + %2 + 0x28]\n\t" \ | ||
127 | "stx %%g0, [%0 + %2 + 0x30]\n\t" \ | ||
128 | "stx %%g0, [%0 + %2 + 0x38]\n\t" \ | ||
129 | "stx %%g0, [%0 + %2 + 0x40]\n\t" \ | ||
130 | "stx %%g0, [%0 + %2 + 0x48]\n\t" \ | ||
131 | "stx %%g0, [%0 + %2 + 0x50]\n\t" \ | ||
132 | "stx %%g0, [%0 + %2 + 0x58]\n\t" \ | ||
133 | "stx %%g0, [%0 + %2 + 0x60]\n\t" \ | ||
134 | "stx %%g0, [%0 + %2 + 0x68]\n\t" \ | ||
135 | "stx %1, [%0 + %2 + 0x70]\n\t" \ | ||
136 | "stx %%g0, [%0 + %2 + 0x78]\n\t" \ | ||
137 | "wrpr %%g0, (1 << 3), %%wstate\n\t" \ | ||
138 | : \ | ||
139 | : "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \ | ||
140 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ | ||
141 | } while (0) | ||
142 | |||
143 | #define start_thread32(regs, pc, sp) \ | ||
144 | do { \ | ||
145 | unsigned long __asi = ASI_PNF; \ | ||
146 | pc &= 0x00000000ffffffffUL; \ | ||
147 | sp &= 0x00000000ffffffffUL; \ | ||
148 | regs->tstate = (regs->tstate & (TSTATE_CWP))|(TSTATE_INITIAL_MM|TSTATE_IE|TSTATE_AM) | (__asi << 24UL); \ | ||
149 | regs->tpc = ((pc & (~3)) - 4); \ | ||
150 | regs->tnpc = regs->tpc + 4; \ | ||
151 | regs->y = 0; \ | ||
152 | set_thread_wstate(2 << 3); \ | ||
153 | if (current_thread_info()->utraps) { \ | ||
154 | if (*(current_thread_info()->utraps) < 2) \ | ||
155 | kfree(current_thread_info()->utraps); \ | ||
156 | else \ | ||
157 | (*(current_thread_info()->utraps))--; \ | ||
158 | current_thread_info()->utraps = NULL; \ | ||
159 | } \ | ||
160 | __asm__ __volatile__( \ | ||
161 | "stx %%g0, [%0 + %2 + 0x00]\n\t" \ | ||
162 | "stx %%g0, [%0 + %2 + 0x08]\n\t" \ | ||
163 | "stx %%g0, [%0 + %2 + 0x10]\n\t" \ | ||
164 | "stx %%g0, [%0 + %2 + 0x18]\n\t" \ | ||
165 | "stx %%g0, [%0 + %2 + 0x20]\n\t" \ | ||
166 | "stx %%g0, [%0 + %2 + 0x28]\n\t" \ | ||
167 | "stx %%g0, [%0 + %2 + 0x30]\n\t" \ | ||
168 | "stx %%g0, [%0 + %2 + 0x38]\n\t" \ | ||
169 | "stx %%g0, [%0 + %2 + 0x40]\n\t" \ | ||
170 | "stx %%g0, [%0 + %2 + 0x48]\n\t" \ | ||
171 | "stx %%g0, [%0 + %2 + 0x50]\n\t" \ | ||
172 | "stx %%g0, [%0 + %2 + 0x58]\n\t" \ | ||
173 | "stx %%g0, [%0 + %2 + 0x60]\n\t" \ | ||
174 | "stx %%g0, [%0 + %2 + 0x68]\n\t" \ | ||
175 | "stx %1, [%0 + %2 + 0x70]\n\t" \ | ||
176 | "stx %%g0, [%0 + %2 + 0x78]\n\t" \ | ||
177 | "wrpr %%g0, (2 << 3), %%wstate\n\t" \ | ||
178 | : \ | ||
179 | : "r" (regs), "r" (sp - sizeof(struct reg_window32)), \ | ||
180 | "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ | ||
181 | } while (0) | ||
182 | |||
183 | /* Free all resources held by a thread. */ | ||
184 | #define release_thread(tsk) do { } while (0) | ||
185 | |||
186 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
187 | #define prepare_to_copy(tsk) do { } while (0) | ||
188 | |||
189 | extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); | ||
190 | |||
191 | extern unsigned long get_wchan(struct task_struct *task); | ||
192 | |||
193 | #define task_pt_regs(tsk) (task_thread_info(tsk)->kregs) | ||
194 | #define KSTK_EIP(tsk) (task_pt_regs(tsk)->tpc) | ||
195 | #define KSTK_ESP(tsk) (task_pt_regs(tsk)->u_regs[UREG_FP]) | ||
196 | |||
197 | #define cpu_relax() barrier() | ||
198 | |||
199 | /* Prefetch support. This is tuned for UltraSPARC-III and later. | ||
200 | * UltraSPARC-I will treat these as nops, and UltraSPARC-II has | ||
201 | * a shallower prefetch queue than later chips. | ||
202 | */ | ||
203 | #define ARCH_HAS_PREFETCH | ||
204 | #define ARCH_HAS_PREFETCHW | ||
205 | #define ARCH_HAS_SPINLOCK_PREFETCH | ||
206 | |||
207 | static inline void prefetch(const void *x) | ||
208 | { | ||
209 | /* We do not use the read prefetch mnemonic because that | ||
210 | * prefetches into the prefetch-cache which only is accessible | ||
211 | * by floating point operations in UltraSPARC-III and later. | ||
212 | * By contrast, "#one_write" prefetches into the L2 cache | ||
213 | * in shared state. | ||
214 | */ | ||
215 | __asm__ __volatile__("prefetch [%0], #one_write" | ||
216 | : /* no outputs */ | ||
217 | : "r" (x)); | ||
218 | } | ||
219 | |||
220 | static inline void prefetchw(const void *x) | ||
221 | { | ||
222 | /* The most optimal prefetch to use for writes is | ||
223 | * "#n_writes". This brings the cacheline into the | ||
224 | * L2 cache in "owned" state. | ||
225 | */ | ||
226 | __asm__ __volatile__("prefetch [%0], #n_writes" | ||
227 | : /* no outputs */ | ||
228 | : "r" (x)); | ||
229 | } | ||
230 | |||
231 | #define spin_lock_prefetch(x) prefetchw(x) | ||
232 | |||
233 | #define HAVE_ARCH_PICK_MMAP_LAYOUT | ||
234 | |||
235 | #endif /* !(__ASSEMBLY__) */ | ||
236 | |||
237 | #endif /* !(__ASM_SPARC64_PROCESSOR_H) */ | ||
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h index b163da79bb6d..1a55b9fb3b0c 100644 --- a/include/asm-sparc64/ptrace.h +++ b/include/asm-sparc64/ptrace.h | |||
@@ -1,346 +1 @@ | |||
1 | #ifndef _SPARC64_PTRACE_H | #include <asm-sparc/ptrace.h> | |
2 | #define _SPARC64_PTRACE_H | ||
3 | |||
4 | #include <asm/pstate.h> | ||
5 | |||
6 | /* This struct defines the way the registers are stored on the | ||
7 | * stack during a system call and basically all traps. | ||
8 | */ | ||
9 | |||
10 | /* This magic value must have the low 9 bits clear, | ||
11 | * as that is where we encode the %tt value, see below. | ||
12 | */ | ||
13 | #define PT_REGS_MAGIC 0x57ac6c00 | ||
14 | |||
15 | #ifndef __ASSEMBLY__ | ||
16 | |||
17 | #include <linux/types.h> | ||
18 | |||
19 | struct pt_regs { | ||
20 | unsigned long u_regs[16]; /* globals and ins */ | ||
21 | unsigned long tstate; | ||
22 | unsigned long tpc; | ||
23 | unsigned long tnpc; | ||
24 | unsigned int y; | ||
25 | |||
26 | /* We encode a magic number, PT_REGS_MAGIC, along | ||
27 | * with the %tt (trap type) register value at trap | ||
28 | * entry time. The magic number allows us to identify | ||
29 | * accurately a trap stack frame in the stack | ||
30 | * unwinder, and the %tt value allows us to test | ||
31 | * things like "in a system call" etc. for an arbitray | ||
32 | * process. | ||
33 | * | ||
34 | * The PT_REGS_MAGIC is choosen such that it can be | ||
35 | * loaded completely using just a sethi instruction. | ||
36 | */ | ||
37 | unsigned int magic; | ||
38 | }; | ||
39 | |||
40 | static inline int pt_regs_trap_type(struct pt_regs *regs) | ||
41 | { | ||
42 | return regs->magic & 0x1ff; | ||
43 | } | ||
44 | |||
45 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) | ||
46 | { | ||
47 | return (regs->tstate & TSTATE_SYSCALL); | ||
48 | } | ||
49 | |||
50 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | ||
51 | { | ||
52 | return (regs->tstate &= ~TSTATE_SYSCALL); | ||
53 | } | ||
54 | |||
55 | struct pt_regs32 { | ||
56 | unsigned int psr; | ||
57 | unsigned int pc; | ||
58 | unsigned int npc; | ||
59 | unsigned int y; | ||
60 | unsigned int u_regs[16]; /* globals and ins */ | ||
61 | }; | ||
62 | |||
63 | #define UREG_G0 0 | ||
64 | #define UREG_G1 1 | ||
65 | #define UREG_G2 2 | ||
66 | #define UREG_G3 3 | ||
67 | #define UREG_G4 4 | ||
68 | #define UREG_G5 5 | ||
69 | #define UREG_G6 6 | ||
70 | #define UREG_G7 7 | ||
71 | #define UREG_I0 8 | ||
72 | #define UREG_I1 9 | ||
73 | #define UREG_I2 10 | ||
74 | #define UREG_I3 11 | ||
75 | #define UREG_I4 12 | ||
76 | #define UREG_I5 13 | ||
77 | #define UREG_I6 14 | ||
78 | #define UREG_I7 15 | ||
79 | #define UREG_FP UREG_I6 | ||
80 | #define UREG_RETPC UREG_I7 | ||
81 | |||
82 | /* A V9 register window */ | ||
83 | struct reg_window { | ||
84 | unsigned long locals[8]; | ||
85 | unsigned long ins[8]; | ||
86 | }; | ||
87 | |||
88 | /* A 32-bit register window. */ | ||
89 | struct reg_window32 { | ||
90 | unsigned int locals[8]; | ||
91 | unsigned int ins[8]; | ||
92 | }; | ||
93 | |||
94 | /* A V9 Sparc stack frame */ | ||
95 | struct sparc_stackf { | ||
96 | unsigned long locals[8]; | ||
97 | unsigned long ins[6]; | ||
98 | struct sparc_stackf *fp; | ||
99 | unsigned long callers_pc; | ||
100 | char *structptr; | ||
101 | unsigned long xargs[6]; | ||
102 | unsigned long xxargs[1]; | ||
103 | }; | ||
104 | |||
105 | /* A 32-bit Sparc stack frame */ | ||
106 | struct sparc_stackf32 { | ||
107 | unsigned int locals[8]; | ||
108 | unsigned int ins[6]; | ||
109 | unsigned int fp; | ||
110 | unsigned int callers_pc; | ||
111 | unsigned int structptr; | ||
112 | unsigned int xargs[6]; | ||
113 | unsigned int xxargs[1]; | ||
114 | }; | ||
115 | |||
116 | struct sparc_trapf { | ||
117 | unsigned long locals[8]; | ||
118 | unsigned long ins[8]; | ||
119 | unsigned long _unused; | ||
120 | struct pt_regs *regs; | ||
121 | }; | ||
122 | |||
123 | #define TRACEREG_SZ sizeof(struct pt_regs) | ||
124 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | ||
125 | |||
126 | #define TRACEREG32_SZ sizeof(struct pt_regs32) | ||
127 | #define STACKFRAME32_SZ sizeof(struct sparc_stackf32) | ||
128 | |||
129 | #ifdef __KERNEL__ | ||
130 | |||
131 | struct global_reg_snapshot { | ||
132 | unsigned long tstate; | ||
133 | unsigned long tpc; | ||
134 | unsigned long tnpc; | ||
135 | unsigned long o7; | ||
136 | unsigned long i7; | ||
137 | struct thread_info *thread; | ||
138 | unsigned long pad1; | ||
139 | unsigned long pad2; | ||
140 | }; | ||
141 | |||
142 | #define __ARCH_WANT_COMPAT_SYS_PTRACE | ||
143 | |||
144 | #define force_successful_syscall_return() \ | ||
145 | do { current_thread_info()->syscall_noerror = 1; \ | ||
146 | } while (0) | ||
147 | #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) | ||
148 | #define instruction_pointer(regs) ((regs)->tpc) | ||
149 | #define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) | ||
150 | #ifdef CONFIG_SMP | ||
151 | extern unsigned long profile_pc(struct pt_regs *); | ||
152 | #else | ||
153 | #define profile_pc(regs) instruction_pointer(regs) | ||
154 | #endif | ||
155 | extern void show_regs(struct pt_regs *); | ||
156 | extern void __show_regs(struct pt_regs *); | ||
157 | #endif | ||
158 | |||
159 | #else /* __ASSEMBLY__ */ | ||
160 | /* For assembly code. */ | ||
161 | #define TRACEREG_SZ 0xa0 | ||
162 | #define STACKFRAME_SZ 0xc0 | ||
163 | |||
164 | #define TRACEREG32_SZ 0x50 | ||
165 | #define STACKFRAME32_SZ 0x60 | ||
166 | #endif | ||
167 | |||
168 | #ifdef __KERNEL__ | ||
169 | #define STACK_BIAS 2047 | ||
170 | #endif | ||
171 | |||
172 | /* These are for pt_regs. */ | ||
173 | #define PT_V9_G0 0x00 | ||
174 | #define PT_V9_G1 0x08 | ||
175 | #define PT_V9_G2 0x10 | ||
176 | #define PT_V9_G3 0x18 | ||
177 | #define PT_V9_G4 0x20 | ||
178 | #define PT_V9_G5 0x28 | ||
179 | #define PT_V9_G6 0x30 | ||
180 | #define PT_V9_G7 0x38 | ||
181 | #define PT_V9_I0 0x40 | ||
182 | #define PT_V9_I1 0x48 | ||
183 | #define PT_V9_I2 0x50 | ||
184 | #define PT_V9_I3 0x58 | ||
185 | #define PT_V9_I4 0x60 | ||
186 | #define PT_V9_I5 0x68 | ||
187 | #define PT_V9_I6 0x70 | ||
188 | #define PT_V9_FP PT_V9_I6 | ||
189 | #define PT_V9_I7 0x78 | ||
190 | #define PT_V9_TSTATE 0x80 | ||
191 | #define PT_V9_TPC 0x88 | ||
192 | #define PT_V9_TNPC 0x90 | ||
193 | #define PT_V9_Y 0x98 | ||
194 | #define PT_V9_MAGIC 0x9c | ||
195 | #define PT_TSTATE PT_V9_TSTATE | ||
196 | #define PT_TPC PT_V9_TPC | ||
197 | #define PT_TNPC PT_V9_TNPC | ||
198 | |||
199 | /* These for pt_regs32. */ | ||
200 | #define PT_PSR 0x0 | ||
201 | #define PT_PC 0x4 | ||
202 | #define PT_NPC 0x8 | ||
203 | #define PT_Y 0xc | ||
204 | #define PT_G0 0x10 | ||
205 | #define PT_WIM PT_G0 | ||
206 | #define PT_G1 0x14 | ||
207 | #define PT_G2 0x18 | ||
208 | #define PT_G3 0x1c | ||
209 | #define PT_G4 0x20 | ||
210 | #define PT_G5 0x24 | ||
211 | #define PT_G6 0x28 | ||
212 | #define PT_G7 0x2c | ||
213 | #define PT_I0 0x30 | ||
214 | #define PT_I1 0x34 | ||
215 | #define PT_I2 0x38 | ||
216 | #define PT_I3 0x3c | ||
217 | #define PT_I4 0x40 | ||
218 | #define PT_I5 0x44 | ||
219 | #define PT_I6 0x48 | ||
220 | #define PT_FP PT_I6 | ||
221 | #define PT_I7 0x4c | ||
222 | |||
223 | /* Reg_window offsets */ | ||
224 | #define RW_V9_L0 0x00 | ||
225 | #define RW_V9_L1 0x08 | ||
226 | #define RW_V9_L2 0x10 | ||
227 | #define RW_V9_L3 0x18 | ||
228 | #define RW_V9_L4 0x20 | ||
229 | #define RW_V9_L5 0x28 | ||
230 | #define RW_V9_L6 0x30 | ||
231 | #define RW_V9_L7 0x38 | ||
232 | #define RW_V9_I0 0x40 | ||
233 | #define RW_V9_I1 0x48 | ||
234 | #define RW_V9_I2 0x50 | ||
235 | #define RW_V9_I3 0x58 | ||
236 | #define RW_V9_I4 0x60 | ||
237 | #define RW_V9_I5 0x68 | ||
238 | #define RW_V9_I6 0x70 | ||
239 | #define RW_V9_I7 0x78 | ||
240 | |||
241 | #define RW_L0 0x00 | ||
242 | #define RW_L1 0x04 | ||
243 | #define RW_L2 0x08 | ||
244 | #define RW_L3 0x0c | ||
245 | #define RW_L4 0x10 | ||
246 | #define RW_L5 0x14 | ||
247 | #define RW_L6 0x18 | ||
248 | #define RW_L7 0x1c | ||
249 | #define RW_I0 0x20 | ||
250 | #define RW_I1 0x24 | ||
251 | #define RW_I2 0x28 | ||
252 | #define RW_I3 0x2c | ||
253 | #define RW_I4 0x30 | ||
254 | #define RW_I5 0x34 | ||
255 | #define RW_I6 0x38 | ||
256 | #define RW_I7 0x3c | ||
257 | |||
258 | /* Stack_frame offsets */ | ||
259 | #define SF_V9_L0 0x00 | ||
260 | #define SF_V9_L1 0x08 | ||
261 | #define SF_V9_L2 0x10 | ||
262 | #define SF_V9_L3 0x18 | ||
263 | #define SF_V9_L4 0x20 | ||
264 | #define SF_V9_L5 0x28 | ||
265 | #define SF_V9_L6 0x30 | ||
266 | #define SF_V9_L7 0x38 | ||
267 | #define SF_V9_I0 0x40 | ||
268 | #define SF_V9_I1 0x48 | ||
269 | #define SF_V9_I2 0x50 | ||
270 | #define SF_V9_I3 0x58 | ||
271 | #define SF_V9_I4 0x60 | ||
272 | #define SF_V9_I5 0x68 | ||
273 | #define SF_V9_FP 0x70 | ||
274 | #define SF_V9_PC 0x78 | ||
275 | #define SF_V9_RETP 0x80 | ||
276 | #define SF_V9_XARG0 0x88 | ||
277 | #define SF_V9_XARG1 0x90 | ||
278 | #define SF_V9_XARG2 0x98 | ||
279 | #define SF_V9_XARG3 0xa0 | ||
280 | #define SF_V9_XARG4 0xa8 | ||
281 | #define SF_V9_XARG5 0xb0 | ||
282 | #define SF_V9_XXARG 0xb8 | ||
283 | |||
284 | #define SF_L0 0x00 | ||
285 | #define SF_L1 0x04 | ||
286 | #define SF_L2 0x08 | ||
287 | #define SF_L3 0x0c | ||
288 | #define SF_L4 0x10 | ||
289 | #define SF_L5 0x14 | ||
290 | #define SF_L6 0x18 | ||
291 | #define SF_L7 0x1c | ||
292 | #define SF_I0 0x20 | ||
293 | #define SF_I1 0x24 | ||
294 | #define SF_I2 0x28 | ||
295 | #define SF_I3 0x2c | ||
296 | #define SF_I4 0x30 | ||
297 | #define SF_I5 0x34 | ||
298 | #define SF_FP 0x38 | ||
299 | #define SF_PC 0x3c | ||
300 | #define SF_RETP 0x40 | ||
301 | #define SF_XARG0 0x44 | ||
302 | #define SF_XARG1 0x48 | ||
303 | #define SF_XARG2 0x4c | ||
304 | #define SF_XARG3 0x50 | ||
305 | #define SF_XARG4 0x54 | ||
306 | #define SF_XARG5 0x58 | ||
307 | #define SF_XXARG 0x5c | ||
308 | |||
309 | #ifdef __KERNEL__ | ||
310 | |||
311 | /* global_reg_snapshot offsets */ | ||
312 | #define GR_SNAP_TSTATE 0x00 | ||
313 | #define GR_SNAP_TPC 0x08 | ||
314 | #define GR_SNAP_TNPC 0x10 | ||
315 | #define GR_SNAP_O7 0x18 | ||
316 | #define GR_SNAP_I7 0x20 | ||
317 | #define GR_SNAP_THREAD 0x28 | ||
318 | #define GR_SNAP_PAD1 0x30 | ||
319 | #define GR_SNAP_PAD2 0x38 | ||
320 | |||
321 | #endif /* __KERNEL__ */ | ||
322 | |||
323 | /* Stuff for the ptrace system call */ | ||
324 | #define PTRACE_SPARC_DETACH 11 | ||
325 | #define PTRACE_GETREGS 12 | ||
326 | #define PTRACE_SETREGS 13 | ||
327 | #define PTRACE_GETFPREGS 14 | ||
328 | #define PTRACE_SETFPREGS 15 | ||
329 | #define PTRACE_READDATA 16 | ||
330 | #define PTRACE_WRITEDATA 17 | ||
331 | #define PTRACE_READTEXT 18 | ||
332 | #define PTRACE_WRITETEXT 19 | ||
333 | #define PTRACE_GETFPAREGS 20 | ||
334 | #define PTRACE_SETFPAREGS 21 | ||
335 | |||
336 | /* There are for debugging 64-bit processes, either from a 32 or 64 bit | ||
337 | * parent. Thus their complements are for debugging 32-bit processes only. | ||
338 | */ | ||
339 | |||
340 | #define PTRACE_GETREGS64 22 | ||
341 | #define PTRACE_SETREGS64 23 | ||
342 | /* PTRACE_SYSCALL is 24 */ | ||
343 | #define PTRACE_GETFPREGS64 25 | ||
344 | #define PTRACE_SETFPREGS64 26 | ||
345 | |||
346 | #endif /* !(_SPARC64_PTRACE_H) */ | ||
diff --git a/include/asm-sparc64/reg.h b/include/asm-sparc64/reg.h index 77aa4804a60d..495bab27da07 100644 --- a/include/asm-sparc64/reg.h +++ b/include/asm-sparc64/reg.h | |||
@@ -1,56 +1 @@ | |||
1 | /* | #include <asm-sparc/reg.h> | |
2 | * linux/asm-sparc64/reg.h | ||
3 | * Layout of the registers as expected by gdb on the Sparc | ||
4 | * we should replace the user.h definitions with those in | ||
5 | * this file, we don't even use the other | ||
6 | * -miguel | ||
7 | * | ||
8 | * The names of the structures, constants and aliases in this file | ||
9 | * have the same names as the sunos ones, some programs rely on these | ||
10 | * names (gdb for example). | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #ifndef __SPARC64_REG_H | ||
15 | #define __SPARC64_REG_H | ||
16 | |||
17 | struct regs { | ||
18 | unsigned long r_g1; | ||
19 | unsigned long r_g2; | ||
20 | unsigned long r_g3; | ||
21 | unsigned long r_g4; | ||
22 | unsigned long r_g5; | ||
23 | unsigned long r_g6; | ||
24 | unsigned long r_g7; | ||
25 | unsigned long r_o0; | ||
26 | unsigned long r_o1; | ||
27 | unsigned long r_o2; | ||
28 | unsigned long r_o3; | ||
29 | unsigned long r_o4; | ||
30 | unsigned long r_o5; | ||
31 | unsigned long r_o6; | ||
32 | unsigned long r_o7; | ||
33 | unsigned long __pad; | ||
34 | unsigned long r_tstate; | ||
35 | unsigned long r_tpc; | ||
36 | unsigned long r_tnpc; | ||
37 | unsigned int r_y; | ||
38 | unsigned int r_fprs; | ||
39 | }; | ||
40 | |||
41 | #define FPU_REGS_TYPE unsigned int | ||
42 | #define FPU_FSR_TYPE unsigned long | ||
43 | |||
44 | struct fp_status { | ||
45 | unsigned long fpu_fr[32]; | ||
46 | unsigned long Fpu_fsr; | ||
47 | }; | ||
48 | |||
49 | struct fpu { | ||
50 | struct fp_status f_fpstatus; | ||
51 | }; | ||
52 | |||
53 | #define fpu_regs f_fpstatus.fpu_fr | ||
54 | #define fpu_fsr f_fpstatus.Fpu_fsr | ||
55 | |||
56 | #endif /* __SPARC64_REG_H */ | ||
diff --git a/include/asm-sparc64/sbus.h b/include/asm-sparc64/sbus.h index 24a04a55cf85..0cab0e89b874 100644 --- a/include/asm-sparc64/sbus.h +++ b/include/asm-sparc64/sbus.h | |||
@@ -1,190 +1 @@ | |||
1 | /* sbus.h: Defines for the Sun SBus. | #include <asm-sparc/sbus.h> | |
2 | * | ||
3 | * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_SBUS_H | ||
7 | #define _SPARC64_SBUS_H | ||
8 | |||
9 | #include <linux/dma-mapping.h> | ||
10 | #include <linux/ioport.h> | ||
11 | |||
12 | #include <asm/oplib.h> | ||
13 | #include <asm/prom.h> | ||
14 | #include <asm/of_device.h> | ||
15 | #include <asm/iommu.h> | ||
16 | #include <asm/scatterlist.h> | ||
17 | |||
18 | /* We scan which devices are on the SBus using the PROM node device | ||
19 | * tree. SBus devices are described in two different ways. You can | ||
20 | * either get an absolute address at which to access the device, or | ||
21 | * you can get a SBus 'slot' number and an offset within that slot. | ||
22 | */ | ||
23 | |||
24 | /* The base address at which to calculate device OBIO addresses. */ | ||
25 | #define SUN_SBUS_BVADDR 0x00000000 | ||
26 | #define SBUS_OFF_MASK 0x0fffffff | ||
27 | |||
28 | /* These routines are used to calculate device address from slot | ||
29 | * numbers + offsets, and vice versa. | ||
30 | */ | ||
31 | |||
32 | static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) | ||
33 | { | ||
34 | return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<28)+(offset)); | ||
35 | } | ||
36 | |||
37 | static inline int sbus_dev_slot(unsigned long dev_addr) | ||
38 | { | ||
39 | return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>28); | ||
40 | } | ||
41 | |||
42 | struct sbus_bus; | ||
43 | |||
44 | /* Linux SBUS device tables */ | ||
45 | struct sbus_dev { | ||
46 | struct of_device ofdev; | ||
47 | struct sbus_bus *bus; | ||
48 | struct sbus_dev *next; | ||
49 | struct sbus_dev *child; | ||
50 | struct sbus_dev *parent; | ||
51 | int prom_node; | ||
52 | char prom_name[64]; | ||
53 | int slot; | ||
54 | |||
55 | struct resource resource[PROMREG_MAX]; | ||
56 | |||
57 | struct linux_prom_registers reg_addrs[PROMREG_MAX]; | ||
58 | int num_registers; | ||
59 | |||
60 | struct linux_prom_ranges device_ranges[PROMREG_MAX]; | ||
61 | int num_device_ranges; | ||
62 | |||
63 | unsigned int irqs[4]; | ||
64 | int num_irqs; | ||
65 | }; | ||
66 | #define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) | ||
67 | |||
68 | /* This struct describes the SBus(s) found on this machine. */ | ||
69 | struct sbus_bus { | ||
70 | struct of_device ofdev; | ||
71 | struct sbus_dev *devices; /* Tree of SBUS devices */ | ||
72 | struct sbus_bus *next; /* Next SBUS in system */ | ||
73 | int prom_node; /* OBP node of SBUS */ | ||
74 | char prom_name[64]; /* Usually "sbus" or "sbi" */ | ||
75 | int clock_freq; | ||
76 | |||
77 | struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; | ||
78 | int num_sbus_ranges; | ||
79 | |||
80 | int portid; | ||
81 | }; | ||
82 | #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) | ||
83 | |||
84 | extern struct sbus_bus *sbus_root; | ||
85 | |||
86 | /* Device probing routines could find these handy */ | ||
87 | #define for_each_sbus(bus) \ | ||
88 | for((bus) = sbus_root; (bus); (bus)=(bus)->next) | ||
89 | |||
90 | #define for_each_sbusdev(device, bus) \ | ||
91 | for((device) = (bus)->devices; (device); (device)=(device)->next) | ||
92 | |||
93 | #define for_all_sbusdev(device, bus) \ | ||
94 | for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ | ||
95 | for ((device) = (bus)->devices; (device); (device) = (device)->next) | ||
96 | |||
97 | /* Driver DVMA interfaces. */ | ||
98 | #define sbus_can_dma_64bit(sdev) (1) | ||
99 | #define sbus_can_burst64(sdev) (1) | ||
100 | extern void sbus_set_sbus64(struct sbus_dev *, int); | ||
101 | extern void sbus_fill_device_irq(struct sbus_dev *); | ||
102 | |||
103 | static inline void *sbus_alloc_consistent(struct sbus_dev *sdev , size_t size, | ||
104 | dma_addr_t *dma_handle) | ||
105 | { | ||
106 | return dma_alloc_coherent(&sdev->ofdev.dev, size, | ||
107 | dma_handle, GFP_ATOMIC); | ||
108 | } | ||
109 | |||
110 | static inline void sbus_free_consistent(struct sbus_dev *sdev, size_t size, | ||
111 | void *vaddr, dma_addr_t dma_handle) | ||
112 | { | ||
113 | return dma_free_coherent(&sdev->ofdev.dev, size, vaddr, dma_handle); | ||
114 | } | ||
115 | |||
116 | #define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL | ||
117 | #define SBUS_DMA_TODEVICE DMA_TO_DEVICE | ||
118 | #define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE | ||
119 | #define SBUS_DMA_NONE DMA_NONE | ||
120 | |||
121 | /* All the rest use streaming mode mappings. */ | ||
122 | static inline dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *ptr, | ||
123 | size_t size, int direction) | ||
124 | { | ||
125 | return dma_map_single(&sdev->ofdev.dev, ptr, size, | ||
126 | (enum dma_data_direction) direction); | ||
127 | } | ||
128 | |||
129 | static inline void sbus_unmap_single(struct sbus_dev *sdev, | ||
130 | dma_addr_t dma_addr, size_t size, | ||
131 | int direction) | ||
132 | { | ||
133 | dma_unmap_single(&sdev->ofdev.dev, dma_addr, size, | ||
134 | (enum dma_data_direction) direction); | ||
135 | } | ||
136 | |||
137 | static inline int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, | ||
138 | int nents, int direction) | ||
139 | { | ||
140 | return dma_map_sg(&sdev->ofdev.dev, sg, nents, | ||
141 | (enum dma_data_direction) direction); | ||
142 | } | ||
143 | |||
144 | static inline void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, | ||
145 | int nents, int direction) | ||
146 | { | ||
147 | dma_unmap_sg(&sdev->ofdev.dev, sg, nents, | ||
148 | (enum dma_data_direction) direction); | ||
149 | } | ||
150 | |||
151 | /* Finally, allow explicit synchronization of streamable mappings. */ | ||
152 | static inline void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, | ||
153 | dma_addr_t dma_handle, | ||
154 | size_t size, int direction) | ||
155 | { | ||
156 | dma_sync_single_for_cpu(&sdev->ofdev.dev, dma_handle, size, | ||
157 | (enum dma_data_direction) direction); | ||
158 | } | ||
159 | #define sbus_dma_sync_single sbus_dma_sync_single_for_cpu | ||
160 | |||
161 | static inline void sbus_dma_sync_single_for_device(struct sbus_dev *sdev, | ||
162 | dma_addr_t dma_handle, | ||
163 | size_t size, int direction) | ||
164 | { | ||
165 | /* No flushing needed to sync cpu writes to the device. */ | ||
166 | } | ||
167 | |||
168 | static inline void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, | ||
169 | struct scatterlist *sg, | ||
170 | int nents, int direction) | ||
171 | { | ||
172 | dma_sync_sg_for_cpu(&sdev->ofdev.dev, sg, nents, | ||
173 | (enum dma_data_direction) direction); | ||
174 | } | ||
175 | #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu | ||
176 | |||
177 | static inline void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, | ||
178 | struct scatterlist *sg, | ||
179 | int nents, int direction) | ||
180 | { | ||
181 | /* No flushing needed to sync cpu writes to the device. */ | ||
182 | } | ||
183 | |||
184 | extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); | ||
185 | extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); | ||
186 | extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); | ||
187 | extern int sbus_arch_preinit(void); | ||
188 | extern void sbus_arch_postinit(void); | ||
189 | |||
190 | #endif /* !(_SPARC64_SBUS_H) */ | ||
diff --git a/include/asm-sparc64/scatterlist.h b/include/asm-sparc64/scatterlist.h index 81bd058f9382..b7fef95953ca 100644 --- a/include/asm-sparc64/scatterlist.h +++ b/include/asm-sparc64/scatterlist.h | |||
@@ -1,27 +1 @@ | |||
1 | #ifndef _SPARC64_SCATTERLIST_H | #include <asm-sparc/scatterlist.h> | |
2 | #define _SPARC64_SCATTERLIST_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | #include <asm/types.h> | ||
6 | |||
7 | struct scatterlist { | ||
8 | #ifdef CONFIG_DEBUG_SG | ||
9 | unsigned long sg_magic; | ||
10 | #endif | ||
11 | unsigned long page_link; | ||
12 | unsigned int offset; | ||
13 | |||
14 | unsigned int length; | ||
15 | |||
16 | dma_addr_t dma_address; | ||
17 | __u32 dma_length; | ||
18 | }; | ||
19 | |||
20 | #define sg_dma_address(sg) ((sg)->dma_address) | ||
21 | #define sg_dma_len(sg) ((sg)->dma_length) | ||
22 | |||
23 | #define ISA_DMA_THRESHOLD (~0UL) | ||
24 | |||
25 | #define ARCH_HAS_SG_CHAIN | ||
26 | |||
27 | #endif /* !(_SPARC64_SCATTERLIST_H) */ | ||
diff --git a/include/asm-sparc64/sections.h b/include/asm-sparc64/sections.h index 3f4b9fdc28d0..721496f8b2be 100644 --- a/include/asm-sparc64/sections.h +++ b/include/asm-sparc64/sections.h | |||
@@ -1,9 +1 @@ | |||
1 | #ifndef _SPARC64_SECTIONS_H | #include <asm-sparc/sections.h> | |
2 | #define _SPARC64_SECTIONS_H | ||
3 | |||
4 | /* nothing to see, move along */ | ||
5 | #include <asm-generic/sections.h> | ||
6 | |||
7 | extern char _start[]; | ||
8 | |||
9 | #endif | ||
diff --git a/include/asm-sparc64/sfp-machine.h b/include/asm-sparc64/sfp-machine.h index c9331b02d9c8..7bbc4fecdc7d 100644 --- a/include/asm-sparc64/sfp-machine.h +++ b/include/asm-sparc64/sfp-machine.h | |||
@@ -1,93 +1 @@ | |||
1 | /* Machine-dependent software floating-point definitions. | #include <asm-sparc/sfp-machine.h> | |
2 | Sparc64 kernel version. | ||
3 | Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. | ||
4 | This file is part of the GNU C Library. | ||
5 | Contributed by Richard Henderson (rth@cygnus.com), | ||
6 | Jakub Jelinek (jj@ultra.linux.cz) and | ||
7 | David S. Miller (davem@redhat.com). | ||
8 | |||
9 | The GNU C Library is free software; you can redistribute it and/or | ||
10 | modify it under the terms of the GNU Library General Public License as | ||
11 | published by the Free Software Foundation; either version 2 of the | ||
12 | License, or (at your option) any later version. | ||
13 | |||
14 | The GNU C Library is distributed in the hope that it will be useful, | ||
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | Library General Public License for more details. | ||
18 | |||
19 | You should have received a copy of the GNU Library General Public | ||
20 | License along with the GNU C Library; see the file COPYING.LIB. If | ||
21 | not, write to the Free Software Foundation, Inc., | ||
22 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | ||
23 | |||
24 | #ifndef _SFP_MACHINE_H | ||
25 | #define _SFP_MACHINE_H | ||
26 | |||
27 | #define _FP_W_TYPE_SIZE 64 | ||
28 | #define _FP_W_TYPE unsigned long | ||
29 | #define _FP_WS_TYPE signed long | ||
30 | #define _FP_I_TYPE long | ||
31 | |||
32 | #define _FP_MUL_MEAT_S(R,X,Y) \ | ||
33 | _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y) | ||
34 | #define _FP_MUL_MEAT_D(R,X,Y) \ | ||
35 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | ||
36 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | ||
37 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | ||
38 | |||
39 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) | ||
40 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y) | ||
41 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) | ||
42 | |||
43 | #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | ||
44 | #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1) | ||
45 | #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1 | ||
46 | #define _FP_NANSIGN_S 0 | ||
47 | #define _FP_NANSIGN_D 0 | ||
48 | #define _FP_NANSIGN_Q 0 | ||
49 | |||
50 | #define _FP_KEEPNANFRACP 1 | ||
51 | |||
52 | /* If one NaN is signaling and the other is not, | ||
53 | * we choose that one, otherwise we choose X. | ||
54 | */ | ||
55 | /* For _Qp_* and _Q_*, this should prefer X, for | ||
56 | * CPU instruction emulation this should prefer Y. | ||
57 | * (see SPAMv9 B.2.2 section). | ||
58 | */ | ||
59 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | ||
60 | do { \ | ||
61 | if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ | ||
62 | && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ | ||
63 | { \ | ||
64 | R##_s = X##_s; \ | ||
65 | _FP_FRAC_COPY_##wc(R,X); \ | ||
66 | } \ | ||
67 | else \ | ||
68 | { \ | ||
69 | R##_s = Y##_s; \ | ||
70 | _FP_FRAC_COPY_##wc(R,Y); \ | ||
71 | } \ | ||
72 | R##_c = FP_CLS_NAN; \ | ||
73 | } while (0) | ||
74 | |||
75 | /* Obtain the current rounding mode. */ | ||
76 | #ifndef FP_ROUNDMODE | ||
77 | #define FP_ROUNDMODE ((current_thread_info()->xfsr[0] >> 30) & 0x3) | ||
78 | #endif | ||
79 | |||
80 | /* Exception flags. */ | ||
81 | #define FP_EX_INVALID (1 << 4) | ||
82 | #define FP_EX_OVERFLOW (1 << 3) | ||
83 | #define FP_EX_UNDERFLOW (1 << 2) | ||
84 | #define FP_EX_DIVZERO (1 << 1) | ||
85 | #define FP_EX_INEXACT (1 << 0) | ||
86 | |||
87 | #define FP_HANDLE_EXCEPTIONS return _fex | ||
88 | |||
89 | #define FP_INHIBIT_RESULTS ((current_thread_info()->xfsr[0] >> 23) & _fex) | ||
90 | |||
91 | #define FP_TRAPPING_EXCEPTIONS ((current_thread_info()->xfsr[0] >> 23) & 0x1f) | ||
92 | |||
93 | #endif | ||
diff --git a/include/asm-sparc64/shmparam.h b/include/asm-sparc64/shmparam.h index 1ed0d6701a9b..5fa3a9b05e7f 100644 --- a/include/asm-sparc64/shmparam.h +++ b/include/asm-sparc64/shmparam.h | |||
@@ -1,10 +1 @@ | |||
1 | #ifndef _ASMSPARC64_SHMPARAM_H | #include <asm-sparc/shmparam.h> | |
2 | #define _ASMSPARC64_SHMPARAM_H | ||
3 | |||
4 | #include <asm/spitfire.h> | ||
5 | |||
6 | #define __ARCH_FORCE_SHMLBA 1 | ||
7 | /* attach addr a multiple of this */ | ||
8 | #define SHMLBA ((PAGE_SIZE > L1DCACHE_SIZE) ? PAGE_SIZE : L1DCACHE_SIZE) | ||
9 | |||
10 | #endif /* _ASMSPARC64_SHMPARAM_H */ | ||
diff --git a/include/asm-sparc64/sigcontext.h b/include/asm-sparc64/sigcontext.h index 1c868d680cfc..5b16dcce44f2 100644 --- a/include/asm-sparc64/sigcontext.h +++ b/include/asm-sparc64/sigcontext.h | |||
@@ -1,87 +1 @@ | |||
1 | #ifndef __SPARC64_SIGCONTEXT_H | #include <asm-sparc/sigcontext.h> | |
2 | #define __SPARC64_SIGCONTEXT_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | #include <asm/ptrace.h> | ||
6 | #endif | ||
7 | |||
8 | #ifndef __ASSEMBLY__ | ||
9 | |||
10 | #ifdef __KERNEL__ | ||
11 | |||
12 | #define __SUNOS_MAXWIN 31 | ||
13 | |||
14 | /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ | ||
15 | struct sigcontext32 { | ||
16 | int sigc_onstack; /* state to restore */ | ||
17 | int sigc_mask; /* sigmask to restore */ | ||
18 | int sigc_sp; /* stack pointer */ | ||
19 | int sigc_pc; /* program counter */ | ||
20 | int sigc_npc; /* next program counter */ | ||
21 | int sigc_psr; /* for condition codes etc */ | ||
22 | int sigc_g1; /* User uses these two registers */ | ||
23 | int sigc_o0; /* within the trampoline code. */ | ||
24 | |||
25 | /* Now comes information regarding the users window set | ||
26 | * at the time of the signal. | ||
27 | */ | ||
28 | int sigc_oswins; /* outstanding windows */ | ||
29 | |||
30 | /* stack ptrs for each regwin buf */ | ||
31 | unsigned sigc_spbuf[__SUNOS_MAXWIN]; | ||
32 | |||
33 | /* Windows to restore after signal */ | ||
34 | struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; | ||
35 | }; | ||
36 | |||
37 | #endif | ||
38 | |||
39 | #ifdef __KERNEL__ | ||
40 | |||
41 | /* This is what we use for 32bit new non-rt signals. */ | ||
42 | |||
43 | typedef struct { | ||
44 | struct { | ||
45 | unsigned int psr; | ||
46 | unsigned int pc; | ||
47 | unsigned int npc; | ||
48 | unsigned int y; | ||
49 | unsigned int u_regs[16]; /* globals and ins */ | ||
50 | } si_regs; | ||
51 | int si_mask; | ||
52 | } __siginfo32_t; | ||
53 | |||
54 | #endif | ||
55 | |||
56 | typedef struct { | ||
57 | unsigned int si_float_regs [64]; | ||
58 | unsigned long si_fsr; | ||
59 | unsigned long si_gsr; | ||
60 | unsigned long si_fprs; | ||
61 | } __siginfo_fpu_t; | ||
62 | |||
63 | /* This is what SunOS doesn't, so we have to write this alone | ||
64 | and do it properly. */ | ||
65 | struct sigcontext { | ||
66 | /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ | ||
67 | char sigc_info[128]; | ||
68 | struct { | ||
69 | unsigned long u_regs[16]; /* globals and ins */ | ||
70 | unsigned long tstate; | ||
71 | unsigned long tpc; | ||
72 | unsigned long tnpc; | ||
73 | unsigned int y; | ||
74 | unsigned int fprs; | ||
75 | } sigc_regs; | ||
76 | __siginfo_fpu_t * sigc_fpu_save; | ||
77 | struct { | ||
78 | void * ss_sp; | ||
79 | int ss_flags; | ||
80 | unsigned long ss_size; | ||
81 | } sigc_stack; | ||
82 | unsigned long sigc_mask; | ||
83 | }; | ||
84 | |||
85 | #endif /* !(__ASSEMBLY__) */ | ||
86 | |||
87 | #endif /* !(__SPARC64_SIGCONTEXT_H) */ | ||
diff --git a/include/asm-sparc64/siginfo.h b/include/asm-sparc64/siginfo.h index c96e6c30f8b0..8ffd6ebabc7a 100644 --- a/include/asm-sparc64/siginfo.h +++ b/include/asm-sparc64/siginfo.h | |||
@@ -1,32 +1 @@ | |||
1 | #ifndef _SPARC64_SIGINFO_H | #include <asm-sparc/siginfo.h> | |
2 | #define _SPARC64_SIGINFO_H | ||
3 | |||
4 | #define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) | ||
5 | |||
6 | #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) | ||
7 | #define __ARCH_SI_TRAPNO | ||
8 | #define __ARCH_SI_BAND_T int | ||
9 | |||
10 | #include <asm-generic/siginfo.h> | ||
11 | |||
12 | #ifdef __KERNEL__ | ||
13 | |||
14 | #include <linux/compat.h> | ||
15 | |||
16 | #ifdef CONFIG_COMPAT | ||
17 | |||
18 | struct compat_siginfo; | ||
19 | |||
20 | #endif /* CONFIG_COMPAT */ | ||
21 | |||
22 | #endif /* __KERNEL__ */ | ||
23 | |||
24 | #define SI_NOINFO 32767 /* no information in siginfo_t */ | ||
25 | |||
26 | /* | ||
27 | * SIGEMT si_codes | ||
28 | */ | ||
29 | #define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ | ||
30 | #define NSIGEMT 1 | ||
31 | |||
32 | #endif | ||
diff --git a/include/asm-sparc64/signal.h b/include/asm-sparc64/signal.h index 2a7c7934ac0a..79705e5d49c3 100644 --- a/include/asm-sparc64/signal.h +++ b/include/asm-sparc64/signal.h | |||
@@ -1,194 +1 @@ | |||
1 | #ifndef _ASMSPARC64_SIGNAL_H | #include <asm-sparc/signal.h> | |
2 | #define _ASMSPARC64_SIGNAL_H | ||
3 | |||
4 | #include <asm/sigcontext.h> | ||
5 | |||
6 | #ifdef __KERNEL__ | ||
7 | #ifndef __ASSEMBLY__ | ||
8 | #include <linux/personality.h> | ||
9 | #include <linux/types.h> | ||
10 | #endif | ||
11 | #endif | ||
12 | |||
13 | /* On the Sparc the signal handlers get passed a 'sub-signal' code | ||
14 | * for certain signal types, which we document here. | ||
15 | */ | ||
16 | #define SIGHUP 1 | ||
17 | #define SIGINT 2 | ||
18 | #define SIGQUIT 3 | ||
19 | #define SIGILL 4 | ||
20 | #define SUBSIG_STACK 0 | ||
21 | #define SUBSIG_ILLINST 2 | ||
22 | #define SUBSIG_PRIVINST 3 | ||
23 | #define SUBSIG_BADTRAP(t) (0x80 + (t)) | ||
24 | |||
25 | #define SIGTRAP 5 | ||
26 | #define SIGABRT 6 | ||
27 | #define SIGIOT 6 | ||
28 | |||
29 | #define SIGEMT 7 | ||
30 | #define SUBSIG_TAG 10 | ||
31 | |||
32 | #define SIGFPE 8 | ||
33 | #define SUBSIG_FPDISABLED 0x400 | ||
34 | #define SUBSIG_FPERROR 0x404 | ||
35 | #define SUBSIG_FPINTOVFL 0x001 | ||
36 | #define SUBSIG_FPSTSIG 0x002 | ||
37 | #define SUBSIG_IDIVZERO 0x014 | ||
38 | #define SUBSIG_FPINEXACT 0x0c4 | ||
39 | #define SUBSIG_FPDIVZERO 0x0c8 | ||
40 | #define SUBSIG_FPUNFLOW 0x0cc | ||
41 | #define SUBSIG_FPOPERROR 0x0d0 | ||
42 | #define SUBSIG_FPOVFLOW 0x0d4 | ||
43 | |||
44 | #define SIGKILL 9 | ||
45 | #define SIGBUS 10 | ||
46 | #define SUBSIG_BUSTIMEOUT 1 | ||
47 | #define SUBSIG_ALIGNMENT 2 | ||
48 | #define SUBSIG_MISCERROR 5 | ||
49 | |||
50 | #define SIGSEGV 11 | ||
51 | #define SUBSIG_NOMAPPING 3 | ||
52 | #define SUBSIG_PROTECTION 4 | ||
53 | #define SUBSIG_SEGERROR 5 | ||
54 | |||
55 | #define SIGSYS 12 | ||
56 | |||
57 | #define SIGPIPE 13 | ||
58 | #define SIGALRM 14 | ||
59 | #define SIGTERM 15 | ||
60 | #define SIGURG 16 | ||
61 | |||
62 | /* SunOS values which deviate from the Linux/i386 ones */ | ||
63 | #define SIGSTOP 17 | ||
64 | #define SIGTSTP 18 | ||
65 | #define SIGCONT 19 | ||
66 | #define SIGCHLD 20 | ||
67 | #define SIGTTIN 21 | ||
68 | #define SIGTTOU 22 | ||
69 | #define SIGIO 23 | ||
70 | #define SIGPOLL SIGIO /* SysV name for SIGIO */ | ||
71 | #define SIGXCPU 24 | ||
72 | #define SIGXFSZ 25 | ||
73 | #define SIGVTALRM 26 | ||
74 | #define SIGPROF 27 | ||
75 | #define SIGWINCH 28 | ||
76 | #define SIGLOST 29 | ||
77 | #define SIGPWR SIGLOST | ||
78 | #define SIGUSR1 30 | ||
79 | #define SIGUSR2 31 | ||
80 | |||
81 | /* Most things should be clean enough to redefine this at will, if care | ||
82 | is taken to make libc match. */ | ||
83 | |||
84 | #define __OLD_NSIG 32 | ||
85 | #define __NEW_NSIG 64 | ||
86 | #define _NSIG_BPW 64 | ||
87 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | ||
88 | |||
89 | #define SIGRTMIN 32 | ||
90 | #define SIGRTMAX __NEW_NSIG | ||
91 | |||
92 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | ||
93 | #define _NSIG __NEW_NSIG | ||
94 | #define __new_sigset_t sigset_t | ||
95 | #define __new_sigaction sigaction | ||
96 | #define __new_sigaction32 sigaction32 | ||
97 | #define __old_sigset_t old_sigset_t | ||
98 | #define __old_sigaction old_sigaction | ||
99 | #define __old_sigaction32 old_sigaction32 | ||
100 | #else | ||
101 | #define _NSIG __OLD_NSIG | ||
102 | #define NSIG _NSIG | ||
103 | #define __old_sigset_t sigset_t | ||
104 | #define __old_sigaction sigaction | ||
105 | #define __old_sigaction32 sigaction32 | ||
106 | #endif | ||
107 | |||
108 | #ifndef __ASSEMBLY__ | ||
109 | |||
110 | typedef unsigned long __old_sigset_t; /* at least 32 bits */ | ||
111 | |||
112 | typedef struct { | ||
113 | unsigned long sig[_NSIG_WORDS]; | ||
114 | } __new_sigset_t; | ||
115 | |||
116 | /* A SunOS sigstack */ | ||
117 | struct sigstack { | ||
118 | /* XXX 32-bit pointers pinhead XXX */ | ||
119 | char *the_stack; | ||
120 | int cur_status; | ||
121 | }; | ||
122 | |||
123 | /* Sigvec flags */ | ||
124 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | ||
125 | #define _SV_INTR 2u /* Sig return should not restart system call */ | ||
126 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | ||
127 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | ||
128 | |||
129 | /* | ||
130 | * sa_flags values: SA_STACK is not currently supported, but will allow the | ||
131 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | ||
132 | * the sigaction structure as a stack pointer. This is now possible due to | ||
133 | * the changes in signal handling. LBT 010493. | ||
134 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
135 | */ | ||
136 | #define SA_NOCLDSTOP _SV_IGNCHILD | ||
137 | #define SA_STACK _SV_SSTACK | ||
138 | #define SA_ONSTACK _SV_SSTACK | ||
139 | #define SA_RESTART _SV_INTR | ||
140 | #define SA_ONESHOT _SV_RESET | ||
141 | #define SA_NOMASK 0x20u | ||
142 | #define SA_NOCLDWAIT 0x100u | ||
143 | #define SA_SIGINFO 0x200u | ||
144 | |||
145 | |||
146 | #define SIG_BLOCK 0x01 /* for blocking signals */ | ||
147 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | ||
148 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | ||
149 | |||
150 | /* | ||
151 | * sigaltstack controls | ||
152 | */ | ||
153 | #define SS_ONSTACK 1 | ||
154 | #define SS_DISABLE 2 | ||
155 | |||
156 | #define MINSIGSTKSZ 4096 | ||
157 | #define SIGSTKSZ 16384 | ||
158 | |||
159 | #include <asm-generic/signal.h> | ||
160 | |||
161 | struct __new_sigaction { | ||
162 | __sighandler_t sa_handler; | ||
163 | unsigned long sa_flags; | ||
164 | __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ | ||
165 | __new_sigset_t sa_mask; | ||
166 | }; | ||
167 | |||
168 | struct __old_sigaction { | ||
169 | __sighandler_t sa_handler; | ||
170 | __old_sigset_t sa_mask; | ||
171 | unsigned long sa_flags; | ||
172 | void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ | ||
173 | }; | ||
174 | |||
175 | typedef struct sigaltstack { | ||
176 | void __user *ss_sp; | ||
177 | int ss_flags; | ||
178 | size_t ss_size; | ||
179 | } stack_t; | ||
180 | |||
181 | #ifdef __KERNEL__ | ||
182 | |||
183 | struct k_sigaction { | ||
184 | struct __new_sigaction sa; | ||
185 | void __user *ka_restorer; | ||
186 | }; | ||
187 | |||
188 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
189 | |||
190 | #endif /* !(__KERNEL__) */ | ||
191 | |||
192 | #endif /* !(__ASSEMBLY__) */ | ||
193 | |||
194 | #endif /* !(_ASMSPARC64_SIGNAL_H) */ | ||
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index cd0311b2e19d..5095a2cbea52 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h | |||
@@ -1,64 +1 @@ | |||
1 | /* smp.h: Sparc64 specific SMP stuff. | #include <asm-sparc/smp.h> | |
2 | * | ||
3 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_SMP_H | ||
7 | #define _SPARC64_SMP_H | ||
8 | |||
9 | #include <linux/threads.h> | ||
10 | #include <asm/asi.h> | ||
11 | #include <asm/starfire.h> | ||
12 | #include <asm/spitfire.h> | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | #include <linux/cpumask.h> | ||
17 | #include <linux/cache.h> | ||
18 | |||
19 | #endif /* !(__ASSEMBLY__) */ | ||
20 | |||
21 | #ifdef CONFIG_SMP | ||
22 | |||
23 | #ifndef __ASSEMBLY__ | ||
24 | |||
25 | /* | ||
26 | * Private routines/data | ||
27 | */ | ||
28 | |||
29 | #include <linux/bitops.h> | ||
30 | #include <asm/atomic.h> | ||
31 | #include <asm/percpu.h> | ||
32 | |||
33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | ||
34 | extern cpumask_t cpu_core_map[NR_CPUS]; | ||
35 | extern int sparc64_multi_core; | ||
36 | |||
37 | /* | ||
38 | * General functions that each host system must provide. | ||
39 | */ | ||
40 | |||
41 | extern int hard_smp_processor_id(void); | ||
42 | #define raw_smp_processor_id() (current_thread_info()->cpu) | ||
43 | |||
44 | extern void smp_fill_in_sib_core_maps(void); | ||
45 | extern void cpu_play_dead(void); | ||
46 | |||
47 | extern void smp_fetch_global_regs(void); | ||
48 | |||
49 | #ifdef CONFIG_HOTPLUG_CPU | ||
50 | extern int __cpu_disable(void); | ||
51 | extern void __cpu_die(unsigned int cpu); | ||
52 | #endif | ||
53 | |||
54 | #endif /* !(__ASSEMBLY__) */ | ||
55 | |||
56 | #else | ||
57 | |||
58 | #define hard_smp_processor_id() 0 | ||
59 | #define smp_fill_in_sib_core_maps() do { } while (0) | ||
60 | #define smp_fetch_global_regs() do { } while (0) | ||
61 | |||
62 | #endif /* !(CONFIG_SMP) */ | ||
63 | |||
64 | #endif /* !(_SPARC64_SMP_H) */ | ||
diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h index 0006fe9f8c7a..0115b8156eb8 100644 --- a/include/asm-sparc64/spinlock.h +++ b/include/asm-sparc64/spinlock.h | |||
@@ -1,250 +1 @@ | |||
1 | /* spinlock.h: 64-bit Sparc spinlock support. | #include <asm-sparc/spinlock.h> | |
2 | * | ||
3 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
4 | */ | ||
5 | |||
6 | #ifndef __SPARC64_SPINLOCK_H | ||
7 | #define __SPARC64_SPINLOCK_H | ||
8 | |||
9 | #include <linux/threads.h> /* For NR_CPUS */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | |||
13 | /* To get debugging spinlocks which detect and catch | ||
14 | * deadlock situations, set CONFIG_DEBUG_SPINLOCK | ||
15 | * and rebuild your kernel. | ||
16 | */ | ||
17 | |||
18 | /* All of these locking primitives are expected to work properly | ||
19 | * even in an RMO memory model, which currently is what the kernel | ||
20 | * runs in. | ||
21 | * | ||
22 | * There is another issue. Because we play games to save cycles | ||
23 | * in the non-contention case, we need to be extra careful about | ||
24 | * branch targets into the "spinning" code. They live in their | ||
25 | * own section, but the newer V9 branches have a shorter range | ||
26 | * than the traditional 32-bit sparc branch variants. The rule | ||
27 | * is that the branches that go into and out of the spinner sections | ||
28 | * must be pre-V9 branches. | ||
29 | */ | ||
30 | |||
31 | #define __raw_spin_is_locked(lp) ((lp)->lock != 0) | ||
32 | |||
33 | #define __raw_spin_unlock_wait(lp) \ | ||
34 | do { rmb(); \ | ||
35 | } while((lp)->lock) | ||
36 | |||
37 | static inline void __raw_spin_lock(raw_spinlock_t *lock) | ||
38 | { | ||
39 | unsigned long tmp; | ||
40 | |||
41 | __asm__ __volatile__( | ||
42 | "1: ldstub [%1], %0\n" | ||
43 | " membar #StoreLoad | #StoreStore\n" | ||
44 | " brnz,pn %0, 2f\n" | ||
45 | " nop\n" | ||
46 | " .subsection 2\n" | ||
47 | "2: ldub [%1], %0\n" | ||
48 | " membar #LoadLoad\n" | ||
49 | " brnz,pt %0, 2b\n" | ||
50 | " nop\n" | ||
51 | " ba,a,pt %%xcc, 1b\n" | ||
52 | " .previous" | ||
53 | : "=&r" (tmp) | ||
54 | : "r" (lock) | ||
55 | : "memory"); | ||
56 | } | ||
57 | |||
58 | static inline int __raw_spin_trylock(raw_spinlock_t *lock) | ||
59 | { | ||
60 | unsigned long result; | ||
61 | |||
62 | __asm__ __volatile__( | ||
63 | " ldstub [%1], %0\n" | ||
64 | " membar #StoreLoad | #StoreStore" | ||
65 | : "=r" (result) | ||
66 | : "r" (lock) | ||
67 | : "memory"); | ||
68 | |||
69 | return (result == 0UL); | ||
70 | } | ||
71 | |||
72 | static inline void __raw_spin_unlock(raw_spinlock_t *lock) | ||
73 | { | ||
74 | __asm__ __volatile__( | ||
75 | " membar #StoreStore | #LoadStore\n" | ||
76 | " stb %%g0, [%0]" | ||
77 | : /* No outputs */ | ||
78 | : "r" (lock) | ||
79 | : "memory"); | ||
80 | } | ||
81 | |||
82 | static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) | ||
83 | { | ||
84 | unsigned long tmp1, tmp2; | ||
85 | |||
86 | __asm__ __volatile__( | ||
87 | "1: ldstub [%2], %0\n" | ||
88 | " membar #StoreLoad | #StoreStore\n" | ||
89 | " brnz,pn %0, 2f\n" | ||
90 | " nop\n" | ||
91 | " .subsection 2\n" | ||
92 | "2: rdpr %%pil, %1\n" | ||
93 | " wrpr %3, %%pil\n" | ||
94 | "3: ldub [%2], %0\n" | ||
95 | " membar #LoadLoad\n" | ||
96 | " brnz,pt %0, 3b\n" | ||
97 | " nop\n" | ||
98 | " ba,pt %%xcc, 1b\n" | ||
99 | " wrpr %1, %%pil\n" | ||
100 | " .previous" | ||
101 | : "=&r" (tmp1), "=&r" (tmp2) | ||
102 | : "r"(lock), "r"(flags) | ||
103 | : "memory"); | ||
104 | } | ||
105 | |||
106 | /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ | ||
107 | |||
108 | static void inline __read_lock(raw_rwlock_t *lock) | ||
109 | { | ||
110 | unsigned long tmp1, tmp2; | ||
111 | |||
112 | __asm__ __volatile__ ( | ||
113 | "1: ldsw [%2], %0\n" | ||
114 | " brlz,pn %0, 2f\n" | ||
115 | "4: add %0, 1, %1\n" | ||
116 | " cas [%2], %0, %1\n" | ||
117 | " cmp %0, %1\n" | ||
118 | " membar #StoreLoad | #StoreStore\n" | ||
119 | " bne,pn %%icc, 1b\n" | ||
120 | " nop\n" | ||
121 | " .subsection 2\n" | ||
122 | "2: ldsw [%2], %0\n" | ||
123 | " membar #LoadLoad\n" | ||
124 | " brlz,pt %0, 2b\n" | ||
125 | " nop\n" | ||
126 | " ba,a,pt %%xcc, 4b\n" | ||
127 | " .previous" | ||
128 | : "=&r" (tmp1), "=&r" (tmp2) | ||
129 | : "r" (lock) | ||
130 | : "memory"); | ||
131 | } | ||
132 | |||
133 | static int inline __read_trylock(raw_rwlock_t *lock) | ||
134 | { | ||
135 | int tmp1, tmp2; | ||
136 | |||
137 | __asm__ __volatile__ ( | ||
138 | "1: ldsw [%2], %0\n" | ||
139 | " brlz,a,pn %0, 2f\n" | ||
140 | " mov 0, %0\n" | ||
141 | " add %0, 1, %1\n" | ||
142 | " cas [%2], %0, %1\n" | ||
143 | " cmp %0, %1\n" | ||
144 | " membar #StoreLoad | #StoreStore\n" | ||
145 | " bne,pn %%icc, 1b\n" | ||
146 | " mov 1, %0\n" | ||
147 | "2:" | ||
148 | : "=&r" (tmp1), "=&r" (tmp2) | ||
149 | : "r" (lock) | ||
150 | : "memory"); | ||
151 | |||
152 | return tmp1; | ||
153 | } | ||
154 | |||
155 | static void inline __read_unlock(raw_rwlock_t *lock) | ||
156 | { | ||
157 | unsigned long tmp1, tmp2; | ||
158 | |||
159 | __asm__ __volatile__( | ||
160 | " membar #StoreLoad | #LoadLoad\n" | ||
161 | "1: lduw [%2], %0\n" | ||
162 | " sub %0, 1, %1\n" | ||
163 | " cas [%2], %0, %1\n" | ||
164 | " cmp %0, %1\n" | ||
165 | " bne,pn %%xcc, 1b\n" | ||
166 | " nop" | ||
167 | : "=&r" (tmp1), "=&r" (tmp2) | ||
168 | : "r" (lock) | ||
169 | : "memory"); | ||
170 | } | ||
171 | |||
172 | static void inline __write_lock(raw_rwlock_t *lock) | ||
173 | { | ||
174 | unsigned long mask, tmp1, tmp2; | ||
175 | |||
176 | mask = 0x80000000UL; | ||
177 | |||
178 | __asm__ __volatile__( | ||
179 | "1: lduw [%2], %0\n" | ||
180 | " brnz,pn %0, 2f\n" | ||
181 | "4: or %0, %3, %1\n" | ||
182 | " cas [%2], %0, %1\n" | ||
183 | " cmp %0, %1\n" | ||
184 | " membar #StoreLoad | #StoreStore\n" | ||
185 | " bne,pn %%icc, 1b\n" | ||
186 | " nop\n" | ||
187 | " .subsection 2\n" | ||
188 | "2: lduw [%2], %0\n" | ||
189 | " membar #LoadLoad\n" | ||
190 | " brnz,pt %0, 2b\n" | ||
191 | " nop\n" | ||
192 | " ba,a,pt %%xcc, 4b\n" | ||
193 | " .previous" | ||
194 | : "=&r" (tmp1), "=&r" (tmp2) | ||
195 | : "r" (lock), "r" (mask) | ||
196 | : "memory"); | ||
197 | } | ||
198 | |||
199 | static void inline __write_unlock(raw_rwlock_t *lock) | ||
200 | { | ||
201 | __asm__ __volatile__( | ||
202 | " membar #LoadStore | #StoreStore\n" | ||
203 | " stw %%g0, [%0]" | ||
204 | : /* no outputs */ | ||
205 | : "r" (lock) | ||
206 | : "memory"); | ||
207 | } | ||
208 | |||
209 | static int inline __write_trylock(raw_rwlock_t *lock) | ||
210 | { | ||
211 | unsigned long mask, tmp1, tmp2, result; | ||
212 | |||
213 | mask = 0x80000000UL; | ||
214 | |||
215 | __asm__ __volatile__( | ||
216 | " mov 0, %2\n" | ||
217 | "1: lduw [%3], %0\n" | ||
218 | " brnz,pn %0, 2f\n" | ||
219 | " or %0, %4, %1\n" | ||
220 | " cas [%3], %0, %1\n" | ||
221 | " cmp %0, %1\n" | ||
222 | " membar #StoreLoad | #StoreStore\n" | ||
223 | " bne,pn %%icc, 1b\n" | ||
224 | " nop\n" | ||
225 | " mov 1, %2\n" | ||
226 | "2:" | ||
227 | : "=&r" (tmp1), "=&r" (tmp2), "=&r" (result) | ||
228 | : "r" (lock), "r" (mask) | ||
229 | : "memory"); | ||
230 | |||
231 | return result; | ||
232 | } | ||
233 | |||
234 | #define __raw_read_lock(p) __read_lock(p) | ||
235 | #define __raw_read_trylock(p) __read_trylock(p) | ||
236 | #define __raw_read_unlock(p) __read_unlock(p) | ||
237 | #define __raw_write_lock(p) __write_lock(p) | ||
238 | #define __raw_write_unlock(p) __write_unlock(p) | ||
239 | #define __raw_write_trylock(p) __write_trylock(p) | ||
240 | |||
241 | #define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) | ||
242 | #define __raw_write_can_lock(rw) (!(rw)->lock) | ||
243 | |||
244 | #define _raw_spin_relax(lock) cpu_relax() | ||
245 | #define _raw_read_relax(lock) cpu_relax() | ||
246 | #define _raw_write_relax(lock) cpu_relax() | ||
247 | |||
248 | #endif /* !(__ASSEMBLY__) */ | ||
249 | |||
250 | #endif /* !(__SPARC64_SPINLOCK_H) */ | ||
diff --git a/include/asm-sparc64/stat.h b/include/asm-sparc64/stat.h index 9650fdea847f..b108a866256b 100644 --- a/include/asm-sparc64/stat.h +++ b/include/asm-sparc64/stat.h | |||
@@ -1,47 +1 @@ | |||
1 | #ifndef _SPARC64_STAT_H | #include <asm-sparc/stat.h> | |
2 | #define _SPARC64_STAT_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | struct stat { | ||
7 | unsigned st_dev; | ||
8 | ino_t st_ino; | ||
9 | mode_t st_mode; | ||
10 | short st_nlink; | ||
11 | uid_t st_uid; | ||
12 | gid_t st_gid; | ||
13 | unsigned st_rdev; | ||
14 | off_t st_size; | ||
15 | time_t st_atime; | ||
16 | time_t st_mtime; | ||
17 | time_t st_ctime; | ||
18 | off_t st_blksize; | ||
19 | off_t st_blocks; | ||
20 | unsigned long __unused4[2]; | ||
21 | }; | ||
22 | |||
23 | struct stat64 { | ||
24 | unsigned long st_dev; | ||
25 | unsigned long st_ino; | ||
26 | unsigned long st_nlink; | ||
27 | |||
28 | unsigned int st_mode; | ||
29 | unsigned int st_uid; | ||
30 | unsigned int st_gid; | ||
31 | unsigned int __pad0; | ||
32 | |||
33 | unsigned long st_rdev; | ||
34 | long st_size; | ||
35 | long st_blksize; | ||
36 | long st_blocks; | ||
37 | |||
38 | unsigned long st_atime; | ||
39 | unsigned long st_atime_nsec; | ||
40 | unsigned long st_mtime; | ||
41 | unsigned long st_mtime_nsec; | ||
42 | unsigned long st_ctime; | ||
43 | unsigned long st_ctime_nsec; | ||
44 | long __unused[3]; | ||
45 | }; | ||
46 | |||
47 | #endif | ||
diff --git a/include/asm-sparc64/statfs.h b/include/asm-sparc64/statfs.h index 79b3c890a5fa..5503d6a4c67e 100644 --- a/include/asm-sparc64/statfs.h +++ b/include/asm-sparc64/statfs.h | |||
@@ -1,54 +1 @@ | |||
1 | #ifndef _SPARC64_STATFS_H | #include <asm-sparc/statfs.h> | |
2 | #define _SPARC64_STATFS_H | ||
3 | |||
4 | #ifndef __KERNEL_STRICT_NAMES | ||
5 | |||
6 | #include <linux/types.h> | ||
7 | |||
8 | typedef __kernel_fsid_t fsid_t; | ||
9 | |||
10 | #endif | ||
11 | |||
12 | struct statfs { | ||
13 | long f_type; | ||
14 | long f_bsize; | ||
15 | long f_blocks; | ||
16 | long f_bfree; | ||
17 | long f_bavail; | ||
18 | long f_files; | ||
19 | long f_ffree; | ||
20 | __kernel_fsid_t f_fsid; | ||
21 | long f_namelen; | ||
22 | long f_frsize; | ||
23 | long f_spare[5]; | ||
24 | }; | ||
25 | |||
26 | struct statfs64 { | ||
27 | long f_type; | ||
28 | long f_bsize; | ||
29 | long f_blocks; | ||
30 | long f_bfree; | ||
31 | long f_bavail; | ||
32 | long f_files; | ||
33 | long f_ffree; | ||
34 | __kernel_fsid_t f_fsid; | ||
35 | long f_namelen; | ||
36 | long f_frsize; | ||
37 | long f_spare[5]; | ||
38 | }; | ||
39 | |||
40 | struct compat_statfs64 { | ||
41 | __u32 f_type; | ||
42 | __u32 f_bsize; | ||
43 | __u64 f_blocks; | ||
44 | __u64 f_bfree; | ||
45 | __u64 f_bavail; | ||
46 | __u64 f_files; | ||
47 | __u64 f_ffree; | ||
48 | __kernel_fsid_t f_fsid; | ||
49 | __u32 f_namelen; | ||
50 | __u32 f_frsize; | ||
51 | __u32 f_spare[5]; | ||
52 | }; | ||
53 | |||
54 | #endif | ||
diff --git a/include/asm-sparc64/string.h b/include/asm-sparc64/string.h index 43161f2d17eb..5018cd8b6ad0 100644 --- a/include/asm-sparc64/string.h +++ b/include/asm-sparc64/string.h | |||
@@ -1,83 +1 @@ | |||
1 | /* | #include <asm-sparc/string.h> | |
2 | * string.h: External definitions for optimized assembly string | ||
3 | * routines for the Linux Kernel. | ||
4 | * | ||
5 | * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) | ||
6 | * Copyright (C) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com) | ||
7 | */ | ||
8 | |||
9 | #ifndef __SPARC64_STRING_H__ | ||
10 | #define __SPARC64_STRING_H__ | ||
11 | |||
12 | /* Really, userland/ksyms should not see any of this stuff. */ | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #include <asm/asi.h> | ||
17 | |||
18 | extern void *__memset(void *,int,__kernel_size_t); | ||
19 | |||
20 | #ifndef EXPORT_SYMTAB_STROPS | ||
21 | |||
22 | /* First the mem*() things. */ | ||
23 | #define __HAVE_ARCH_MEMMOVE | ||
24 | extern void *memmove(void *, const void *, __kernel_size_t); | ||
25 | |||
26 | #define __HAVE_ARCH_MEMCPY | ||
27 | extern void *memcpy(void *, const void *, __kernel_size_t); | ||
28 | |||
29 | #define __HAVE_ARCH_MEMSET | ||
30 | extern void *__builtin_memset(void *,int,__kernel_size_t); | ||
31 | |||
32 | static inline void *__constant_memset(void *s, int c, __kernel_size_t count) | ||
33 | { | ||
34 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
35 | |||
36 | if (!c) { | ||
37 | __bzero(s, count); | ||
38 | return s; | ||
39 | } else | ||
40 | return __memset(s, c, count); | ||
41 | } | ||
42 | |||
43 | #undef memset | ||
44 | #define memset(s, c, count) \ | ||
45 | ((__builtin_constant_p(count) && (count) <= 32) ? \ | ||
46 | __builtin_memset((s), (c), (count)) : \ | ||
47 | (__builtin_constant_p(c) ? \ | ||
48 | __constant_memset((s), (c), (count)) : \ | ||
49 | __memset((s), (c), (count)))) | ||
50 | |||
51 | #define __HAVE_ARCH_MEMSCAN | ||
52 | |||
53 | #undef memscan | ||
54 | #define memscan(__arg0, __char, __arg2) \ | ||
55 | ({ \ | ||
56 | extern void *__memscan_zero(void *, size_t); \ | ||
57 | extern void *__memscan_generic(void *, int, size_t); \ | ||
58 | void *__retval, *__addr = (__arg0); \ | ||
59 | size_t __size = (__arg2); \ | ||
60 | \ | ||
61 | if(__builtin_constant_p(__char) && !(__char)) \ | ||
62 | __retval = __memscan_zero(__addr, __size); \ | ||
63 | else \ | ||
64 | __retval = __memscan_generic(__addr, (__char), __size); \ | ||
65 | \ | ||
66 | __retval; \ | ||
67 | }) | ||
68 | |||
69 | #define __HAVE_ARCH_MEMCMP | ||
70 | extern int memcmp(const void *,const void *,__kernel_size_t); | ||
71 | |||
72 | /* Now the str*() stuff... */ | ||
73 | #define __HAVE_ARCH_STRLEN | ||
74 | extern __kernel_size_t strlen(const char *); | ||
75 | |||
76 | #define __HAVE_ARCH_STRNCMP | ||
77 | extern int strncmp(const char *, const char *, __kernel_size_t); | ||
78 | |||
79 | #endif /* !EXPORT_SYMTAB_STROPS */ | ||
80 | |||
81 | #endif /* __KERNEL__ */ | ||
82 | |||
83 | #endif /* !(__SPARC64_STRING_H__) */ | ||
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h index 6897ac31be41..be2603c2e527 100644 --- a/include/asm-sparc64/system.h +++ b/include/asm-sparc64/system.h | |||
@@ -1,355 +1 @@ | |||
1 | #ifndef __SPARC64_SYSTEM_H | #include <asm-sparc/system.h> | |
2 | #define __SPARC64_SYSTEM_H | ||
3 | |||
4 | #include <asm/ptrace.h> | ||
5 | #include <asm/processor.h> | ||
6 | #include <asm/visasm.h> | ||
7 | |||
8 | #ifndef __ASSEMBLY__ | ||
9 | |||
10 | #include <linux/irqflags.h> | ||
11 | #include <asm-generic/cmpxchg-local.h> | ||
12 | |||
13 | /* | ||
14 | * Sparc (general) CPU types | ||
15 | */ | ||
16 | enum sparc_cpu { | ||
17 | sun4 = 0x00, | ||
18 | sun4c = 0x01, | ||
19 | sun4m = 0x02, | ||
20 | sun4d = 0x03, | ||
21 | sun4e = 0x04, | ||
22 | sun4u = 0x05, /* V8 ploos ploos */ | ||
23 | sun_unknown = 0x06, | ||
24 | ap1000 = 0x07, /* almost a sun4m */ | ||
25 | }; | ||
26 | |||
27 | #define sparc_cpu_model sun4u | ||
28 | |||
29 | /* This cannot ever be a sun4c nor sun4 :) That's just history. */ | ||
30 | #define ARCH_SUN4C_SUN4 0 | ||
31 | #define ARCH_SUN4 0 | ||
32 | |||
33 | extern char reboot_command[]; | ||
34 | |||
35 | /* These are here in an effort to more fully work around Spitfire Errata | ||
36 | * #51. Essentially, if a memory barrier occurs soon after a mispredicted | ||
37 | * branch, the chip can stop executing instructions until a trap occurs. | ||
38 | * Therefore, if interrupts are disabled, the chip can hang forever. | ||
39 | * | ||
40 | * It used to be believed that the memory barrier had to be right in the | ||
41 | * delay slot, but a case has been traced recently wherein the memory barrier | ||
42 | * was one instruction after the branch delay slot and the chip still hung. | ||
43 | * The offending sequence was the following in sym_wakeup_done() of the | ||
44 | * sym53c8xx_2 driver: | ||
45 | * | ||
46 | * call sym_ccb_from_dsa, 0 | ||
47 | * movge %icc, 0, %l0 | ||
48 | * brz,pn %o0, .LL1303 | ||
49 | * mov %o0, %l2 | ||
50 | * membar #LoadLoad | ||
51 | * | ||
52 | * The branch has to be mispredicted for the bug to occur. Therefore, we put | ||
53 | * the memory barrier explicitly into a "branch always, predicted taken" | ||
54 | * delay slot to avoid the problem case. | ||
55 | */ | ||
56 | #define membar_safe(type) \ | ||
57 | do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ | ||
58 | " membar " type "\n" \ | ||
59 | "1:\n" \ | ||
60 | : : : "memory"); \ | ||
61 | } while (0) | ||
62 | |||
63 | #define mb() \ | ||
64 | membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad") | ||
65 | #define rmb() \ | ||
66 | membar_safe("#LoadLoad") | ||
67 | #define wmb() \ | ||
68 | membar_safe("#StoreStore") | ||
69 | #define membar_storeload() \ | ||
70 | membar_safe("#StoreLoad") | ||
71 | #define membar_storeload_storestore() \ | ||
72 | membar_safe("#StoreLoad | #StoreStore") | ||
73 | #define membar_storeload_loadload() \ | ||
74 | membar_safe("#StoreLoad | #LoadLoad") | ||
75 | #define membar_storestore_loadstore() \ | ||
76 | membar_safe("#StoreStore | #LoadStore") | ||
77 | |||
78 | #endif | ||
79 | |||
80 | #define nop() __asm__ __volatile__ ("nop") | ||
81 | |||
82 | #define read_barrier_depends() do { } while(0) | ||
83 | #define set_mb(__var, __value) \ | ||
84 | do { __var = __value; membar_storeload_storestore(); } while(0) | ||
85 | |||
86 | #ifdef CONFIG_SMP | ||
87 | #define smp_mb() mb() | ||
88 | #define smp_rmb() rmb() | ||
89 | #define smp_wmb() wmb() | ||
90 | #define smp_read_barrier_depends() read_barrier_depends() | ||
91 | #else | ||
92 | #define smp_mb() __asm__ __volatile__("":::"memory") | ||
93 | #define smp_rmb() __asm__ __volatile__("":::"memory") | ||
94 | #define smp_wmb() __asm__ __volatile__("":::"memory") | ||
95 | #define smp_read_barrier_depends() do { } while(0) | ||
96 | #endif | ||
97 | |||
98 | #define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") | ||
99 | |||
100 | #define flushw_all() __asm__ __volatile__("flushw") | ||
101 | |||
102 | /* Performance counter register access. */ | ||
103 | #define read_pcr(__p) __asm__ __volatile__("rd %%pcr, %0" : "=r" (__p)) | ||
104 | #define write_pcr(__p) __asm__ __volatile__("wr %0, 0x0, %%pcr" : : "r" (__p)) | ||
105 | #define read_pic(__p) __asm__ __volatile__("rd %%pic, %0" : "=r" (__p)) | ||
106 | |||
107 | /* Blackbird errata workaround. See commentary in | ||
108 | * arch/sparc64/kernel/smp.c:smp_percpu_timer_interrupt() | ||
109 | * for more information. | ||
110 | */ | ||
111 | #define reset_pic() \ | ||
112 | __asm__ __volatile__("ba,pt %xcc, 99f\n\t" \ | ||
113 | ".align 64\n" \ | ||
114 | "99:wr %g0, 0x0, %pic\n\t" \ | ||
115 | "rd %pic, %g0") | ||
116 | |||
117 | #ifndef __ASSEMBLY__ | ||
118 | |||
119 | extern void sun_do_break(void); | ||
120 | extern int stop_a_enabled; | ||
121 | |||
122 | extern void fault_in_user_windows(void); | ||
123 | extern void synchronize_user_stack(void); | ||
124 | |||
125 | extern void __flushw_user(void); | ||
126 | #define flushw_user() __flushw_user() | ||
127 | |||
128 | #define flush_user_windows flushw_user | ||
129 | #define flush_register_windows flushw_all | ||
130 | |||
131 | /* Don't hold the runqueue lock over context switch */ | ||
132 | #define __ARCH_WANT_UNLOCKED_CTXSW | ||
133 | #define prepare_arch_switch(next) \ | ||
134 | do { \ | ||
135 | flushw_all(); \ | ||
136 | } while (0) | ||
137 | |||
138 | /* See what happens when you design the chip correctly? | ||
139 | * | ||
140 | * We tell gcc we clobber all non-fixed-usage registers except | ||
141 | * for l0/l1. It will use one for 'next' and the other to hold | ||
142 | * the output value of 'last'. 'next' is not referenced again | ||
143 | * past the invocation of switch_to in the scheduler, so we need | ||
144 | * not preserve it's value. Hairy, but it lets us remove 2 loads | ||
145 | * and 2 stores in this critical code path. -DaveM | ||
146 | */ | ||
147 | #define switch_to(prev, next, last) \ | ||
148 | do { if (test_thread_flag(TIF_PERFCTR)) { \ | ||
149 | unsigned long __tmp; \ | ||
150 | read_pcr(__tmp); \ | ||
151 | current_thread_info()->pcr_reg = __tmp; \ | ||
152 | read_pic(__tmp); \ | ||
153 | current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\ | ||
154 | current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \ | ||
155 | } \ | ||
156 | flush_tlb_pending(); \ | ||
157 | save_and_clear_fpu(); \ | ||
158 | /* If you are tempted to conditionalize the following */ \ | ||
159 | /* so that ASI is only written if it changes, think again. */ \ | ||
160 | __asm__ __volatile__("wr %%g0, %0, %%asi" \ | ||
161 | : : "r" (__thread_flag_byte_ptr(task_thread_info(next))[TI_FLAG_BYTE_CURRENT_DS]));\ | ||
162 | trap_block[current_thread_info()->cpu].thread = \ | ||
163 | task_thread_info(next); \ | ||
164 | __asm__ __volatile__( \ | ||
165 | "mov %%g4, %%g7\n\t" \ | ||
166 | "stx %%i6, [%%sp + 2047 + 0x70]\n\t" \ | ||
167 | "stx %%i7, [%%sp + 2047 + 0x78]\n\t" \ | ||
168 | "rdpr %%wstate, %%o5\n\t" \ | ||
169 | "stx %%o6, [%%g6 + %6]\n\t" \ | ||
170 | "stb %%o5, [%%g6 + %5]\n\t" \ | ||
171 | "rdpr %%cwp, %%o5\n\t" \ | ||
172 | "stb %%o5, [%%g6 + %8]\n\t" \ | ||
173 | "mov %4, %%g6\n\t" \ | ||
174 | "ldub [%4 + %8], %%g1\n\t" \ | ||
175 | "wrpr %%g1, %%cwp\n\t" \ | ||
176 | "ldx [%%g6 + %6], %%o6\n\t" \ | ||
177 | "ldub [%%g6 + %5], %%o5\n\t" \ | ||
178 | "ldub [%%g6 + %7], %%o7\n\t" \ | ||
179 | "wrpr %%o5, 0x0, %%wstate\n\t" \ | ||
180 | "ldx [%%sp + 2047 + 0x70], %%i6\n\t" \ | ||
181 | "ldx [%%sp + 2047 + 0x78], %%i7\n\t" \ | ||
182 | "ldx [%%g6 + %9], %%g4\n\t" \ | ||
183 | "brz,pt %%o7, switch_to_pc\n\t" \ | ||
184 | " mov %%g7, %0\n\t" \ | ||
185 | "sethi %%hi(ret_from_syscall), %%g1\n\t" \ | ||
186 | "jmpl %%g1 + %%lo(ret_from_syscall), %%g0\n\t" \ | ||
187 | " nop\n\t" \ | ||
188 | ".globl switch_to_pc\n\t" \ | ||
189 | "switch_to_pc:\n\t" \ | ||
190 | : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \ | ||
191 | "=r" (__local_per_cpu_offset) \ | ||
192 | : "0" (task_thread_info(next)), \ | ||
193 | "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \ | ||
194 | "i" (TI_CWP), "i" (TI_TASK) \ | ||
195 | : "cc", \ | ||
196 | "g1", "g2", "g3", "g7", \ | ||
197 | "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ | ||
198 | "i0", "i1", "i2", "i3", "i4", "i5", \ | ||
199 | "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ | ||
200 | /* If you fuck with this, update ret_from_syscall code too. */ \ | ||
201 | if (test_thread_flag(TIF_PERFCTR)) { \ | ||
202 | write_pcr(current_thread_info()->pcr_reg); \ | ||
203 | reset_pic(); \ | ||
204 | } \ | ||
205 | } while(0) | ||
206 | |||
207 | static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) | ||
208 | { | ||
209 | unsigned long tmp1, tmp2; | ||
210 | |||
211 | __asm__ __volatile__( | ||
212 | " membar #StoreLoad | #LoadLoad\n" | ||
213 | " mov %0, %1\n" | ||
214 | "1: lduw [%4], %2\n" | ||
215 | " cas [%4], %2, %0\n" | ||
216 | " cmp %2, %0\n" | ||
217 | " bne,a,pn %%icc, 1b\n" | ||
218 | " mov %1, %0\n" | ||
219 | " membar #StoreLoad | #StoreStore\n" | ||
220 | : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) | ||
221 | : "0" (val), "r" (m) | ||
222 | : "cc", "memory"); | ||
223 | return val; | ||
224 | } | ||
225 | |||
226 | static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long val) | ||
227 | { | ||
228 | unsigned long tmp1, tmp2; | ||
229 | |||
230 | __asm__ __volatile__( | ||
231 | " membar #StoreLoad | #LoadLoad\n" | ||
232 | " mov %0, %1\n" | ||
233 | "1: ldx [%4], %2\n" | ||
234 | " casx [%4], %2, %0\n" | ||
235 | " cmp %2, %0\n" | ||
236 | " bne,a,pn %%xcc, 1b\n" | ||
237 | " mov %1, %0\n" | ||
238 | " membar #StoreLoad | #StoreStore\n" | ||
239 | : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) | ||
240 | : "0" (val), "r" (m) | ||
241 | : "cc", "memory"); | ||
242 | return val; | ||
243 | } | ||
244 | |||
245 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) | ||
246 | |||
247 | extern void __xchg_called_with_bad_pointer(void); | ||
248 | |||
249 | static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, | ||
250 | int size) | ||
251 | { | ||
252 | switch (size) { | ||
253 | case 4: | ||
254 | return xchg32(ptr, x); | ||
255 | case 8: | ||
256 | return xchg64(ptr, x); | ||
257 | }; | ||
258 | __xchg_called_with_bad_pointer(); | ||
259 | return x; | ||
260 | } | ||
261 | |||
262 | extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); | ||
263 | |||
264 | /* | ||
265 | * Atomic compare and exchange. Compare OLD with MEM, if identical, | ||
266 | * store NEW in MEM. Return the initial value in MEM. Success is | ||
267 | * indicated by comparing RETURN with OLD. | ||
268 | */ | ||
269 | |||
270 | #define __HAVE_ARCH_CMPXCHG 1 | ||
271 | |||
272 | static inline unsigned long | ||
273 | __cmpxchg_u32(volatile int *m, int old, int new) | ||
274 | { | ||
275 | __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" | ||
276 | "cas [%2], %3, %0\n\t" | ||
277 | "membar #StoreLoad | #StoreStore" | ||
278 | : "=&r" (new) | ||
279 | : "0" (new), "r" (m), "r" (old) | ||
280 | : "memory"); | ||
281 | |||
282 | return new; | ||
283 | } | ||
284 | |||
285 | static inline unsigned long | ||
286 | __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) | ||
287 | { | ||
288 | __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" | ||
289 | "casx [%2], %3, %0\n\t" | ||
290 | "membar #StoreLoad | #StoreStore" | ||
291 | : "=&r" (new) | ||
292 | : "0" (new), "r" (m), "r" (old) | ||
293 | : "memory"); | ||
294 | |||
295 | return new; | ||
296 | } | ||
297 | |||
298 | /* This function doesn't exist, so you'll get a linker error | ||
299 | if something tries to do an invalid cmpxchg(). */ | ||
300 | extern void __cmpxchg_called_with_bad_pointer(void); | ||
301 | |||
302 | static inline unsigned long | ||
303 | __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) | ||
304 | { | ||
305 | switch (size) { | ||
306 | case 4: | ||
307 | return __cmpxchg_u32(ptr, old, new); | ||
308 | case 8: | ||
309 | return __cmpxchg_u64(ptr, old, new); | ||
310 | } | ||
311 | __cmpxchg_called_with_bad_pointer(); | ||
312 | return old; | ||
313 | } | ||
314 | |||
315 | #define cmpxchg(ptr,o,n) \ | ||
316 | ({ \ | ||
317 | __typeof__(*(ptr)) _o_ = (o); \ | ||
318 | __typeof__(*(ptr)) _n_ = (n); \ | ||
319 | (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ | ||
320 | (unsigned long)_n_, sizeof(*(ptr))); \ | ||
321 | }) | ||
322 | |||
323 | /* | ||
324 | * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make | ||
325 | * them available. | ||
326 | */ | ||
327 | |||
328 | static inline unsigned long __cmpxchg_local(volatile void *ptr, | ||
329 | unsigned long old, | ||
330 | unsigned long new, int size) | ||
331 | { | ||
332 | switch (size) { | ||
333 | case 4: | ||
334 | case 8: return __cmpxchg(ptr, old, new, size); | ||
335 | default: | ||
336 | return __cmpxchg_local_generic(ptr, old, new, size); | ||
337 | } | ||
338 | |||
339 | return old; | ||
340 | } | ||
341 | |||
342 | #define cmpxchg_local(ptr, o, n) \ | ||
343 | ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ | ||
344 | (unsigned long)(n), sizeof(*(ptr)))) | ||
345 | #define cmpxchg64_local(ptr, o, n) \ | ||
346 | ({ \ | ||
347 | BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ | ||
348 | cmpxchg_local((ptr), (o), (n)); \ | ||
349 | }) | ||
350 | |||
351 | #endif /* !(__ASSEMBLY__) */ | ||
352 | |||
353 | #define arch_align_stack(x) (x) | ||
354 | |||
355 | #endif /* !(__SPARC64_SYSTEM_H) */ | ||
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h index e5873e385306..92bed7913395 100644 --- a/include/asm-sparc64/thread_info.h +++ b/include/asm-sparc64/thread_info.h | |||
@@ -1,277 +1 @@ | |||
1 | /* thread_info.h: sparc64 low-level thread information | #include <asm-sparc/thread_info.h> | |
2 | * | ||
3 | * Copyright (C) 2002 David S. Miller (davem@redhat.com) | ||
4 | */ | ||
5 | |||
6 | #ifndef _ASM_THREAD_INFO_H | ||
7 | #define _ASM_THREAD_INFO_H | ||
8 | |||
9 | #ifdef __KERNEL__ | ||
10 | |||
11 | #define NSWINS 7 | ||
12 | |||
13 | #define TI_FLAG_BYTE_FAULT_CODE 0 | ||
14 | #define TI_FLAG_FAULT_CODE_SHIFT 56 | ||
15 | #define TI_FLAG_BYTE_WSTATE 1 | ||
16 | #define TI_FLAG_WSTATE_SHIFT 48 | ||
17 | #define TI_FLAG_BYTE_CWP 2 | ||
18 | #define TI_FLAG_CWP_SHIFT 40 | ||
19 | #define TI_FLAG_BYTE_CURRENT_DS 3 | ||
20 | #define TI_FLAG_CURRENT_DS_SHIFT 32 | ||
21 | #define TI_FLAG_BYTE_FPDEPTH 4 | ||
22 | #define TI_FLAG_FPDEPTH_SHIFT 24 | ||
23 | #define TI_FLAG_BYTE_WSAVED 5 | ||
24 | #define TI_FLAG_WSAVED_SHIFT 16 | ||
25 | |||
26 | #include <asm/page.h> | ||
27 | |||
28 | #ifndef __ASSEMBLY__ | ||
29 | |||
30 | #include <asm/ptrace.h> | ||
31 | #include <asm/types.h> | ||
32 | |||
33 | struct task_struct; | ||
34 | struct exec_domain; | ||
35 | |||
36 | struct thread_info { | ||
37 | /* D$ line 1 */ | ||
38 | struct task_struct *task; | ||
39 | unsigned long flags; | ||
40 | __u8 fpsaved[7]; | ||
41 | __u8 status; | ||
42 | unsigned long ksp; | ||
43 | |||
44 | /* D$ line 2 */ | ||
45 | unsigned long fault_address; | ||
46 | struct pt_regs *kregs; | ||
47 | struct exec_domain *exec_domain; | ||
48 | int preempt_count; /* 0 => preemptable, <0 => BUG */ | ||
49 | __u8 new_child; | ||
50 | __u8 syscall_noerror; | ||
51 | __u16 cpu; | ||
52 | |||
53 | unsigned long *utraps; | ||
54 | |||
55 | struct reg_window reg_window[NSWINS]; | ||
56 | unsigned long rwbuf_stkptrs[NSWINS]; | ||
57 | |||
58 | unsigned long gsr[7]; | ||
59 | unsigned long xfsr[7]; | ||
60 | |||
61 | __u64 __user *user_cntd0; | ||
62 | __u64 __user *user_cntd1; | ||
63 | __u64 kernel_cntd0, kernel_cntd1; | ||
64 | __u64 pcr_reg; | ||
65 | |||
66 | struct restart_block restart_block; | ||
67 | |||
68 | struct pt_regs *kern_una_regs; | ||
69 | unsigned int kern_una_insn; | ||
70 | |||
71 | unsigned long fpregs[0] __attribute__ ((aligned(64))); | ||
72 | }; | ||
73 | |||
74 | #endif /* !(__ASSEMBLY__) */ | ||
75 | |||
76 | /* offsets into the thread_info struct for assembly code access */ | ||
77 | #define TI_TASK 0x00000000 | ||
78 | #define TI_FLAGS 0x00000008 | ||
79 | #define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE) | ||
80 | #define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE) | ||
81 | #define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP) | ||
82 | #define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS) | ||
83 | #define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH) | ||
84 | #define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED) | ||
85 | #define TI_FPSAVED 0x00000010 | ||
86 | #define TI_KSP 0x00000018 | ||
87 | #define TI_FAULT_ADDR 0x00000020 | ||
88 | #define TI_KREGS 0x00000028 | ||
89 | #define TI_EXEC_DOMAIN 0x00000030 | ||
90 | #define TI_PRE_COUNT 0x00000038 | ||
91 | #define TI_NEW_CHILD 0x0000003c | ||
92 | #define TI_SYS_NOERROR 0x0000003d | ||
93 | #define TI_CPU 0x0000003e | ||
94 | #define TI_UTRAPS 0x00000040 | ||
95 | #define TI_REG_WINDOW 0x00000048 | ||
96 | #define TI_RWIN_SPTRS 0x000003c8 | ||
97 | #define TI_GSR 0x00000400 | ||
98 | #define TI_XFSR 0x00000438 | ||
99 | #define TI_USER_CNTD0 0x00000470 | ||
100 | #define TI_USER_CNTD1 0x00000478 | ||
101 | #define TI_KERN_CNTD0 0x00000480 | ||
102 | #define TI_KERN_CNTD1 0x00000488 | ||
103 | #define TI_PCR 0x00000490 | ||
104 | #define TI_RESTART_BLOCK 0x00000498 | ||
105 | #define TI_KUNA_REGS 0x000004c0 | ||
106 | #define TI_KUNA_INSN 0x000004c8 | ||
107 | #define TI_FPREGS 0x00000500 | ||
108 | |||
109 | /* We embed this in the uppermost byte of thread_info->flags */ | ||
110 | #define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */ | ||
111 | #define FAULT_CODE_DTLB 0x02 /* Miss happened in D-TLB */ | ||
112 | #define FAULT_CODE_ITLB 0x04 /* Miss happened in I-TLB */ | ||
113 | #define FAULT_CODE_WINFIXUP 0x08 /* Miss happened during spill/fill */ | ||
114 | #define FAULT_CODE_BLKCOMMIT 0x10 /* Use blk-commit ASI in copy_page */ | ||
115 | |||
116 | #if PAGE_SHIFT == 13 | ||
117 | #define THREAD_SIZE (2*PAGE_SIZE) | ||
118 | #define THREAD_SHIFT (PAGE_SHIFT + 1) | ||
119 | #else /* PAGE_SHIFT == 13 */ | ||
120 | #define THREAD_SIZE PAGE_SIZE | ||
121 | #define THREAD_SHIFT PAGE_SHIFT | ||
122 | #endif /* PAGE_SHIFT == 13 */ | ||
123 | |||
124 | #define PREEMPT_ACTIVE 0x4000000 | ||
125 | |||
126 | /* | ||
127 | * macros/functions for gaining access to the thread information structure | ||
128 | * | ||
129 | * preempt_count needs to be 1 initially, until the scheduler is functional. | ||
130 | */ | ||
131 | #ifndef __ASSEMBLY__ | ||
132 | |||
133 | #define INIT_THREAD_INFO(tsk) \ | ||
134 | { \ | ||
135 | .task = &tsk, \ | ||
136 | .flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \ | ||
137 | .exec_domain = &default_exec_domain, \ | ||
138 | .preempt_count = 1, \ | ||
139 | .restart_block = { \ | ||
140 | .fn = do_no_restart_syscall, \ | ||
141 | }, \ | ||
142 | } | ||
143 | |||
144 | #define init_thread_info (init_thread_union.thread_info) | ||
145 | #define init_stack (init_thread_union.stack) | ||
146 | |||
147 | /* how to get the thread information struct from C */ | ||
148 | register struct thread_info *current_thread_info_reg asm("g6"); | ||
149 | #define current_thread_info() (current_thread_info_reg) | ||
150 | |||
151 | /* thread information allocation */ | ||
152 | #if PAGE_SHIFT == 13 | ||
153 | #define __THREAD_INFO_ORDER 1 | ||
154 | #else /* PAGE_SHIFT == 13 */ | ||
155 | #define __THREAD_INFO_ORDER 0 | ||
156 | #endif /* PAGE_SHIFT == 13 */ | ||
157 | |||
158 | #ifdef CONFIG_DEBUG_STACK_USAGE | ||
159 | #define alloc_thread_info(tsk) \ | ||
160 | ({ \ | ||
161 | struct thread_info *ret; \ | ||
162 | \ | ||
163 | ret = (struct thread_info *) \ | ||
164 | __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \ | ||
165 | if (ret) \ | ||
166 | memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \ | ||
167 | ret; \ | ||
168 | }) | ||
169 | #else | ||
170 | #define alloc_thread_info(tsk) \ | ||
171 | ((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER)) | ||
172 | #endif | ||
173 | |||
174 | #define free_thread_info(ti) \ | ||
175 | free_pages((unsigned long)(ti),__THREAD_INFO_ORDER) | ||
176 | |||
177 | #define __thread_flag_byte_ptr(ti) \ | ||
178 | ((unsigned char *)(&((ti)->flags))) | ||
179 | #define __cur_thread_flag_byte_ptr __thread_flag_byte_ptr(current_thread_info()) | ||
180 | |||
181 | #define get_thread_fault_code() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE]) | ||
182 | #define set_thread_fault_code(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val)) | ||
183 | #define get_thread_wstate() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE]) | ||
184 | #define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val)) | ||
185 | #define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP]) | ||
186 | #define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val)) | ||
187 | #define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS]) | ||
188 | #define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val)) | ||
189 | #define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH]) | ||
190 | #define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val)) | ||
191 | #define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED]) | ||
192 | #define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val)) | ||
193 | |||
194 | #endif /* !(__ASSEMBLY__) */ | ||
195 | |||
196 | /* | ||
197 | * Thread information flags, only 16 bits are available as we encode | ||
198 | * other values into the upper 6 bytes. | ||
199 | * | ||
200 | * On trap return we need to test several values: | ||
201 | * | ||
202 | * user: need_resched, notify_resume, sigpending, wsaved, perfctr | ||
203 | * kernel: fpdepth | ||
204 | * | ||
205 | * So to check for work in the kernel case we simply load the fpdepth | ||
206 | * byte out of the flags and test it. For the user case we encode the | ||
207 | * lower 3 bytes of flags as follows: | ||
208 | * ---------------------------------------- | ||
209 | * | wsaved | flags byte 1 | flags byte 2 | | ||
210 | * ---------------------------------------- | ||
211 | * This optimizes the user test into: | ||
212 | * ldx [%g6 + TI_FLAGS], REG1 | ||
213 | * sethi %hi(_TIF_USER_WORK_MASK), REG2 | ||
214 | * or REG2, %lo(_TIF_USER_WORK_MASK), REG2 | ||
215 | * andcc REG1, REG2, %g0 | ||
216 | * be,pt no_work_to_do | ||
217 | * nop | ||
218 | */ | ||
219 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
220 | /* flags bit 1 is available */ | ||
221 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
222 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
223 | #define TIF_PERFCTR 4 /* performance counters active */ | ||
224 | #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ | ||
225 | /* flag bit 6 is available */ | ||
226 | #define TIF_32BIT 7 /* 32-bit binary */ | ||
227 | /* flag bit 8 is available */ | ||
228 | #define TIF_SECCOMP 9 /* secure computing */ | ||
229 | #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ | ||
230 | /* flag bit 11 is available */ | ||
231 | /* NOTE: Thread flags >= 12 should be ones we have no interest | ||
232 | * in using in assembly, else we can't use the mask as | ||
233 | * an immediate value in instructions such as andcc. | ||
234 | */ | ||
235 | #define TIF_ABI_PENDING 12 | ||
236 | #define TIF_MEMDIE 13 | ||
237 | #define TIF_POLLING_NRFLAG 14 | ||
238 | |||
239 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
240 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
241 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
242 | #define _TIF_PERFCTR (1<<TIF_PERFCTR) | ||
243 | #define _TIF_UNALIGNED (1<<TIF_UNALIGNED) | ||
244 | #define _TIF_32BIT (1<<TIF_32BIT) | ||
245 | #define _TIF_SECCOMP (1<<TIF_SECCOMP) | ||
246 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) | ||
247 | #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) | ||
248 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
249 | |||
250 | #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ | ||
251 | (_TIF_SIGPENDING | \ | ||
252 | _TIF_NEED_RESCHED | _TIF_PERFCTR)) | ||
253 | |||
254 | /* | ||
255 | * Thread-synchronous status. | ||
256 | * | ||
257 | * This is different from the flags in that nobody else | ||
258 | * ever touches our thread-synchronous status, so we don't | ||
259 | * have to worry about atomic accesses. | ||
260 | * | ||
261 | * Note that there are only 8 bits available. | ||
262 | */ | ||
263 | #define TS_RESTORE_SIGMASK 0x0001 /* restore signal mask in do_signal() */ | ||
264 | |||
265 | #ifndef __ASSEMBLY__ | ||
266 | #define HAVE_SET_RESTORE_SIGMASK 1 | ||
267 | static inline void set_restore_sigmask(void) | ||
268 | { | ||
269 | struct thread_info *ti = current_thread_info(); | ||
270 | ti->status |= TS_RESTORE_SIGMASK; | ||
271 | set_bit(TIF_SIGPENDING, &ti->flags); | ||
272 | } | ||
273 | #endif /* !__ASSEMBLY__ */ | ||
274 | |||
275 | #endif /* __KERNEL__ */ | ||
276 | |||
277 | #endif /* _ASM_THREAD_INFO_H */ | ||
diff --git a/include/asm-sparc64/timer.h b/include/asm-sparc64/timer.h index 5b779fd1f788..88026d83cc93 100644 --- a/include/asm-sparc64/timer.h +++ b/include/asm-sparc64/timer.h | |||
@@ -1,30 +1 @@ | |||
1 | /* timer.h: System timer definitions for sun5. | #include <asm-sparc/timer.h> | |
2 | * | ||
3 | * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net) | ||
4 | */ | ||
5 | |||
6 | #ifndef _SPARC64_TIMER_H | ||
7 | #define _SPARC64_TIMER_H | ||
8 | |||
9 | #include <linux/types.h> | ||
10 | #include <linux/init.h> | ||
11 | |||
12 | struct sparc64_tick_ops { | ||
13 | unsigned long (*get_tick)(void); | ||
14 | int (*add_compare)(unsigned long); | ||
15 | unsigned long softint_mask; | ||
16 | void (*disable_irq)(void); | ||
17 | |||
18 | void (*init_tick)(void); | ||
19 | unsigned long (*add_tick)(unsigned long); | ||
20 | |||
21 | char *name; | ||
22 | }; | ||
23 | |||
24 | extern struct sparc64_tick_ops *tick_ops; | ||
25 | |||
26 | extern unsigned long sparc64_get_clock_tick(unsigned int cpu); | ||
27 | extern void __devinit setup_sparc64_timer(void); | ||
28 | extern void __init time_init(void); | ||
29 | |||
30 | #endif /* _SPARC64_TIMER_H */ | ||
diff --git a/include/asm-sparc64/timex.h b/include/asm-sparc64/timex.h index c622535c4560..8dd59ee24b48 100644 --- a/include/asm-sparc64/timex.h +++ b/include/asm-sparc64/timex.h | |||
@@ -1,19 +1 @@ | |||
1 | /* | #include <asm-sparc/timex.h> | |
2 | * linux/include/asm-sparc64/timex.h | ||
3 | * | ||
4 | * sparc64 architecture timex specifications | ||
5 | */ | ||
6 | #ifndef _ASMsparc64_TIMEX_H | ||
7 | #define _ASMsparc64_TIMEX_H | ||
8 | |||
9 | #include <asm/timer.h> | ||
10 | |||
11 | #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ | ||
12 | |||
13 | /* Getting on the cycle counter on sparc64. */ | ||
14 | typedef unsigned long cycles_t; | ||
15 | #define get_cycles() tick_ops->get_tick() | ||
16 | |||
17 | #define ARCH_HAS_READ_CURRENT_TIMER | ||
18 | |||
19 | #endif | ||
diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h index ec81cdedef2c..ae92fce10936 100644 --- a/include/asm-sparc64/tlb.h +++ b/include/asm-sparc64/tlb.h | |||
@@ -1,111 +1 @@ | |||
1 | #ifndef _SPARC64_TLB_H | #include <asm-sparc/tlb.h> | |
2 | #define _SPARC64_TLB_H | ||
3 | |||
4 | #include <linux/swap.h> | ||
5 | #include <linux/pagemap.h> | ||
6 | #include <asm/pgalloc.h> | ||
7 | #include <asm/tlbflush.h> | ||
8 | #include <asm/mmu_context.h> | ||
9 | |||
10 | #define TLB_BATCH_NR 192 | ||
11 | |||
12 | /* | ||
13 | * For UP we don't need to worry about TLB flush | ||
14 | * and page free order so much.. | ||
15 | */ | ||
16 | #ifdef CONFIG_SMP | ||
17 | #define FREE_PTE_NR 506 | ||
18 | #define tlb_fast_mode(bp) ((bp)->pages_nr == ~0U) | ||
19 | #else | ||
20 | #define FREE_PTE_NR 1 | ||
21 | #define tlb_fast_mode(bp) 1 | ||
22 | #endif | ||
23 | |||
24 | struct mmu_gather { | ||
25 | struct mm_struct *mm; | ||
26 | unsigned int pages_nr; | ||
27 | unsigned int need_flush; | ||
28 | unsigned int fullmm; | ||
29 | unsigned int tlb_nr; | ||
30 | unsigned long vaddrs[TLB_BATCH_NR]; | ||
31 | struct page *pages[FREE_PTE_NR]; | ||
32 | }; | ||
33 | |||
34 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | ||
35 | |||
36 | #ifdef CONFIG_SMP | ||
37 | extern void smp_flush_tlb_pending(struct mm_struct *, | ||
38 | unsigned long, unsigned long *); | ||
39 | #endif | ||
40 | |||
41 | extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); | ||
42 | extern void flush_tlb_pending(void); | ||
43 | |||
44 | static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | ||
45 | { | ||
46 | struct mmu_gather *mp = &get_cpu_var(mmu_gathers); | ||
47 | |||
48 | BUG_ON(mp->tlb_nr); | ||
49 | |||
50 | mp->mm = mm; | ||
51 | mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U; | ||
52 | mp->fullmm = full_mm_flush; | ||
53 | |||
54 | return mp; | ||
55 | } | ||
56 | |||
57 | |||
58 | static inline void tlb_flush_mmu(struct mmu_gather *mp) | ||
59 | { | ||
60 | if (mp->need_flush) { | ||
61 | free_pages_and_swap_cache(mp->pages, mp->pages_nr); | ||
62 | mp->pages_nr = 0; | ||
63 | mp->need_flush = 0; | ||
64 | } | ||
65 | |||
66 | } | ||
67 | |||
68 | #ifdef CONFIG_SMP | ||
69 | extern void smp_flush_tlb_mm(struct mm_struct *mm); | ||
70 | #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm) | ||
71 | #else | ||
72 | #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT) | ||
73 | #endif | ||
74 | |||
75 | static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end) | ||
76 | { | ||
77 | tlb_flush_mmu(mp); | ||
78 | |||
79 | if (mp->fullmm) | ||
80 | mp->fullmm = 0; | ||
81 | else | ||
82 | flush_tlb_pending(); | ||
83 | |||
84 | /* keep the page table cache within bounds */ | ||
85 | check_pgt_cache(); | ||
86 | |||
87 | put_cpu_var(mmu_gathers); | ||
88 | } | ||
89 | |||
90 | static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page) | ||
91 | { | ||
92 | if (tlb_fast_mode(mp)) { | ||
93 | free_page_and_swap_cache(page); | ||
94 | return; | ||
95 | } | ||
96 | mp->need_flush = 1; | ||
97 | mp->pages[mp->pages_nr++] = page; | ||
98 | if (mp->pages_nr >= FREE_PTE_NR) | ||
99 | tlb_flush_mmu(mp); | ||
100 | } | ||
101 | |||
102 | #define tlb_remove_tlb_entry(mp,ptep,addr) do { } while (0) | ||
103 | #define pte_free_tlb(mp, ptepage) pte_free((mp)->mm, ptepage) | ||
104 | #define pmd_free_tlb(mp, pmdp) pmd_free((mp)->mm, pmdp) | ||
105 | #define pud_free_tlb(tlb,pudp) __pud_free_tlb(tlb,pudp) | ||
106 | |||
107 | #define tlb_migrate_finish(mm) do { } while (0) | ||
108 | #define tlb_start_vma(tlb, vma) do { } while (0) | ||
109 | #define tlb_end_vma(tlb, vma) do { } while (0) | ||
110 | |||
111 | #endif /* _SPARC64_TLB_H */ | ||
diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h index fbb675dbe0c9..a43979a06cd9 100644 --- a/include/asm-sparc64/tlbflush.h +++ b/include/asm-sparc64/tlbflush.h | |||
@@ -1,44 +1 @@ | |||
1 | #ifndef _SPARC64_TLBFLUSH_H | #include <asm-sparc/tlbflush.h> | |
2 | #define _SPARC64_TLBFLUSH_H | ||
3 | |||
4 | #include <linux/mm.h> | ||
5 | #include <asm/mmu_context.h> | ||
6 | |||
7 | /* TSB flush operations. */ | ||
8 | struct mmu_gather; | ||
9 | extern void flush_tsb_kernel_range(unsigned long start, unsigned long end); | ||
10 | extern void flush_tsb_user(struct mmu_gather *mp); | ||
11 | |||
12 | /* TLB flush operations. */ | ||
13 | |||
14 | extern void flush_tlb_pending(void); | ||
15 | |||
16 | #define flush_tlb_range(vma,start,end) \ | ||
17 | do { (void)(start); flush_tlb_pending(); } while (0) | ||
18 | #define flush_tlb_page(vma,addr) flush_tlb_pending() | ||
19 | #define flush_tlb_mm(mm) flush_tlb_pending() | ||
20 | |||
21 | /* Local cpu only. */ | ||
22 | extern void __flush_tlb_all(void); | ||
23 | |||
24 | extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
25 | |||
26 | #ifndef CONFIG_SMP | ||
27 | |||
28 | #define flush_tlb_kernel_range(start,end) \ | ||
29 | do { flush_tsb_kernel_range(start,end); \ | ||
30 | __flush_tlb_kernel_range(start,end); \ | ||
31 | } while (0) | ||
32 | |||
33 | #else /* CONFIG_SMP */ | ||
34 | |||
35 | extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
36 | |||
37 | #define flush_tlb_kernel_range(start, end) \ | ||
38 | do { flush_tsb_kernel_range(start,end); \ | ||
39 | smp_flush_tlb_kernel_range(start, end); \ | ||
40 | } while (0) | ||
41 | |||
42 | #endif /* ! CONFIG_SMP */ | ||
43 | |||
44 | #endif /* _SPARC64_TLBFLUSH_H */ | ||
diff --git a/include/asm-sparc64/topology.h b/include/asm-sparc64/topology.h index 001c04027c82..46999b60fbba 100644 --- a/include/asm-sparc64/topology.h +++ b/include/asm-sparc64/topology.h | |||
@@ -1,86 +1 @@ | |||
1 | #ifndef _ASM_SPARC64_TOPOLOGY_H | #include <asm-sparc/topology.h> | |
2 | #define _ASM_SPARC64_TOPOLOGY_H | ||
3 | |||
4 | #ifdef CONFIG_NUMA | ||
5 | |||
6 | #include <asm/mmzone.h> | ||
7 | |||
8 | static inline int cpu_to_node(int cpu) | ||
9 | { | ||
10 | return numa_cpu_lookup_table[cpu]; | ||
11 | } | ||
12 | |||
13 | #define parent_node(node) (node) | ||
14 | |||
15 | static inline cpumask_t node_to_cpumask(int node) | ||
16 | { | ||
17 | return numa_cpumask_lookup_table[node]; | ||
18 | } | ||
19 | |||
20 | /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ | ||
21 | #define node_to_cpumask_ptr(v, node) \ | ||
22 | cpumask_t *v = &(numa_cpumask_lookup_table[node]) | ||
23 | |||
24 | #define node_to_cpumask_ptr_next(v, node) \ | ||
25 | v = &(numa_cpumask_lookup_table[node]) | ||
26 | |||
27 | static inline int node_to_first_cpu(int node) | ||
28 | { | ||
29 | cpumask_t tmp; | ||
30 | tmp = node_to_cpumask(node); | ||
31 | return first_cpu(tmp); | ||
32 | } | ||
33 | |||
34 | struct pci_bus; | ||
35 | #ifdef CONFIG_PCI | ||
36 | extern int pcibus_to_node(struct pci_bus *pbus); | ||
37 | #else | ||
38 | static inline int pcibus_to_node(struct pci_bus *pbus) | ||
39 | { | ||
40 | return -1; | ||
41 | } | ||
42 | #endif | ||
43 | |||
44 | #define pcibus_to_cpumask(bus) \ | ||
45 | (pcibus_to_node(bus) == -1 ? \ | ||
46 | CPU_MASK_ALL : \ | ||
47 | node_to_cpumask(pcibus_to_node(bus))) | ||
48 | |||
49 | #define SD_NODE_INIT (struct sched_domain) { \ | ||
50 | .min_interval = 8, \ | ||
51 | .max_interval = 32, \ | ||
52 | .busy_factor = 32, \ | ||
53 | .imbalance_pct = 125, \ | ||
54 | .cache_nice_tries = 2, \ | ||
55 | .busy_idx = 3, \ | ||
56 | .idle_idx = 2, \ | ||
57 | .newidle_idx = 0, \ | ||
58 | .wake_idx = 1, \ | ||
59 | .forkexec_idx = 1, \ | ||
60 | .flags = SD_LOAD_BALANCE \ | ||
61 | | SD_BALANCE_FORK \ | ||
62 | | SD_BALANCE_EXEC \ | ||
63 | | SD_SERIALIZE \ | ||
64 | | SD_WAKE_BALANCE, \ | ||
65 | .last_balance = jiffies, \ | ||
66 | .balance_interval = 1, \ | ||
67 | } | ||
68 | |||
69 | #else /* CONFIG_NUMA */ | ||
70 | |||
71 | #include <asm-generic/topology.h> | ||
72 | |||
73 | #endif /* !(CONFIG_NUMA) */ | ||
74 | |||
75 | #ifdef CONFIG_SMP | ||
76 | #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) | ||
77 | #define topology_core_id(cpu) (cpu_data(cpu).core_id) | ||
78 | #define topology_core_siblings(cpu) (cpu_core_map[cpu]) | ||
79 | #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) | ||
80 | #define mc_capable() (sparc64_multi_core) | ||
81 | #define smt_capable() (sparc64_multi_core) | ||
82 | #endif /* CONFIG_SMP */ | ||
83 | |||
84 | #define cpu_coregroup_map(cpu) (cpu_core_map[cpu]) | ||
85 | |||
86 | #endif /* _ASM_SPARC64_TOPOLOGY_H */ | ||
diff --git a/include/asm-sparc64/uaccess.h b/include/asm-sparc64/uaccess.h index 5fcbaf68c3f6..2872d22844f3 100644 --- a/include/asm-sparc64/uaccess.h +++ b/include/asm-sparc64/uaccess.h | |||
@@ -1,273 +1 @@ | |||
1 | #ifndef _ASM_UACCESS_H | #include <asm-sparc/uaccess.h> | |
2 | #define _ASM_UACCESS_H | ||
3 | |||
4 | /* | ||
5 | * User space memory access functions | ||
6 | */ | ||
7 | |||
8 | #ifdef __KERNEL__ | ||
9 | #include <linux/compiler.h> | ||
10 | #include <linux/sched.h> | ||
11 | #include <linux/string.h> | ||
12 | #include <asm/asi.h> | ||
13 | #include <asm/system.h> | ||
14 | #include <asm/spitfire.h> | ||
15 | #include <asm-generic/uaccess.h> | ||
16 | #endif | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | /* | ||
21 | * Sparc64 is segmented, though more like the M68K than the I386. | ||
22 | * We use the secondary ASI to address user memory, which references a | ||
23 | * completely different VM map, thus there is zero chance of the user | ||
24 | * doing something queer and tricking us into poking kernel memory. | ||
25 | * | ||
26 | * What is left here is basically what is needed for the other parts of | ||
27 | * the kernel that expect to be able to manipulate, erum, "segments". | ||
28 | * Or perhaps more properly, permissions. | ||
29 | * | ||
30 | * "For historical reasons, these macros are grossly misnamed." -Linus | ||
31 | */ | ||
32 | |||
33 | #define KERNEL_DS ((mm_segment_t) { ASI_P }) | ||
34 | #define USER_DS ((mm_segment_t) { ASI_AIUS }) /* har har har */ | ||
35 | |||
36 | #define VERIFY_READ 0 | ||
37 | #define VERIFY_WRITE 1 | ||
38 | |||
39 | #define get_fs() ((mm_segment_t) { get_thread_current_ds() }) | ||
40 | #define get_ds() (KERNEL_DS) | ||
41 | |||
42 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
43 | |||
44 | #define set_fs(val) \ | ||
45 | do { \ | ||
46 | set_thread_current_ds((val).seg); \ | ||
47 | __asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \ | ||
48 | } while(0) | ||
49 | |||
50 | static inline int __access_ok(const void __user * addr, unsigned long size) | ||
51 | { | ||
52 | return 1; | ||
53 | } | ||
54 | |||
55 | static inline int access_ok(int type, const void __user * addr, unsigned long size) | ||
56 | { | ||
57 | return 1; | ||
58 | } | ||
59 | |||
60 | /* | ||
61 | * The exception table consists of pairs of addresses: the first is the | ||
62 | * address of an instruction that is allowed to fault, and the second is | ||
63 | * the address at which the program should continue. No registers are | ||
64 | * modified, so it is entirely up to the continuation code to figure out | ||
65 | * what to do. | ||
66 | * | ||
67 | * All the routines below use bits of fixup code that are out of line | ||
68 | * with the main instruction path. This means when everything is well, | ||
69 | * we don't even have to jump over them. Further, they do not intrude | ||
70 | * on our cache or tlb entries. | ||
71 | */ | ||
72 | |||
73 | struct exception_table_entry { | ||
74 | unsigned int insn, fixup; | ||
75 | }; | ||
76 | |||
77 | extern void __ret_efault(void); | ||
78 | extern void __retl_efault(void); | ||
79 | |||
80 | /* Uh, these should become the main single-value transfer routines.. | ||
81 | * They automatically use the right size if we just have the right | ||
82 | * pointer type.. | ||
83 | * | ||
84 | * This gets kind of ugly. We want to return _two_ values in "get_user()" | ||
85 | * and yet we don't want to do any pointers, because that is too much | ||
86 | * of a performance impact. Thus we have a few rather ugly macros here, | ||
87 | * and hide all the ugliness from the user. | ||
88 | */ | ||
89 | #define put_user(x,ptr) ({ \ | ||
90 | unsigned long __pu_addr = (unsigned long)(ptr); \ | ||
91 | __chk_user_ptr(ptr); \ | ||
92 | __put_user_nocheck((__typeof__(*(ptr)))(x),__pu_addr,sizeof(*(ptr))); }) | ||
93 | |||
94 | #define get_user(x,ptr) ({ \ | ||
95 | unsigned long __gu_addr = (unsigned long)(ptr); \ | ||
96 | __chk_user_ptr(ptr); \ | ||
97 | __get_user_nocheck((x),__gu_addr,sizeof(*(ptr)),__typeof__(*(ptr))); }) | ||
98 | |||
99 | #define __put_user(x,ptr) put_user(x,ptr) | ||
100 | #define __get_user(x,ptr) get_user(x,ptr) | ||
101 | |||
102 | struct __large_struct { unsigned long buf[100]; }; | ||
103 | #define __m(x) ((struct __large_struct *)(x)) | ||
104 | |||
105 | #define __put_user_nocheck(data,addr,size) ({ \ | ||
106 | register int __pu_ret; \ | ||
107 | switch (size) { \ | ||
108 | case 1: __put_user_asm(data,b,addr,__pu_ret); break; \ | ||
109 | case 2: __put_user_asm(data,h,addr,__pu_ret); break; \ | ||
110 | case 4: __put_user_asm(data,w,addr,__pu_ret); break; \ | ||
111 | case 8: __put_user_asm(data,x,addr,__pu_ret); break; \ | ||
112 | default: __pu_ret = __put_user_bad(); break; \ | ||
113 | } __pu_ret; }) | ||
114 | |||
115 | #define __put_user_asm(x,size,addr,ret) \ | ||
116 | __asm__ __volatile__( \ | ||
117 | "/* Put user asm, inline. */\n" \ | ||
118 | "1:\t" "st"#size "a %1, [%2] %%asi\n\t" \ | ||
119 | "clr %0\n" \ | ||
120 | "2:\n\n\t" \ | ||
121 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
122 | ".align 4\n" \ | ||
123 | "3:\n\t" \ | ||
124 | "sethi %%hi(2b), %0\n\t" \ | ||
125 | "jmpl %0 + %%lo(2b), %%g0\n\t" \ | ||
126 | " mov %3, %0\n\n\t" \ | ||
127 | ".previous\n\t" \ | ||
128 | ".section __ex_table,\"a\"\n\t" \ | ||
129 | ".align 4\n\t" \ | ||
130 | ".word 1b, 3b\n\t" \ | ||
131 | ".previous\n\n\t" \ | ||
132 | : "=r" (ret) : "r" (x), "r" (__m(addr)), \ | ||
133 | "i" (-EFAULT)) | ||
134 | |||
135 | extern int __put_user_bad(void); | ||
136 | |||
137 | #define __get_user_nocheck(data,addr,size,type) ({ \ | ||
138 | register int __gu_ret; \ | ||
139 | register unsigned long __gu_val; \ | ||
140 | switch (size) { \ | ||
141 | case 1: __get_user_asm(__gu_val,ub,addr,__gu_ret); break; \ | ||
142 | case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ | ||
143 | case 4: __get_user_asm(__gu_val,uw,addr,__gu_ret); break; \ | ||
144 | case 8: __get_user_asm(__gu_val,x,addr,__gu_ret); break; \ | ||
145 | default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ | ||
146 | } data = (type) __gu_val; __gu_ret; }) | ||
147 | |||
148 | #define __get_user_nocheck_ret(data,addr,size,type,retval) ({ \ | ||
149 | register unsigned long __gu_val __asm__ ("l1"); \ | ||
150 | switch (size) { \ | ||
151 | case 1: __get_user_asm_ret(__gu_val,ub,addr,retval); break; \ | ||
152 | case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ | ||
153 | case 4: __get_user_asm_ret(__gu_val,uw,addr,retval); break; \ | ||
154 | case 8: __get_user_asm_ret(__gu_val,x,addr,retval); break; \ | ||
155 | default: if (__get_user_bad()) return retval; \ | ||
156 | } data = (type) __gu_val; }) | ||
157 | |||
158 | #define __get_user_asm(x,size,addr,ret) \ | ||
159 | __asm__ __volatile__( \ | ||
160 | "/* Get user asm, inline. */\n" \ | ||
161 | "1:\t" "ld"#size "a [%2] %%asi, %1\n\t" \ | ||
162 | "clr %0\n" \ | ||
163 | "2:\n\n\t" \ | ||
164 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
165 | ".align 4\n" \ | ||
166 | "3:\n\t" \ | ||
167 | "sethi %%hi(2b), %0\n\t" \ | ||
168 | "clr %1\n\t" \ | ||
169 | "jmpl %0 + %%lo(2b), %%g0\n\t" \ | ||
170 | " mov %3, %0\n\n\t" \ | ||
171 | ".previous\n\t" \ | ||
172 | ".section __ex_table,\"a\"\n\t" \ | ||
173 | ".align 4\n\t" \ | ||
174 | ".word 1b, 3b\n\n\t" \ | ||
175 | ".previous\n\t" \ | ||
176 | : "=r" (ret), "=r" (x) : "r" (__m(addr)), \ | ||
177 | "i" (-EFAULT)) | ||
178 | |||
179 | #define __get_user_asm_ret(x,size,addr,retval) \ | ||
180 | if (__builtin_constant_p(retval) && retval == -EFAULT) \ | ||
181 | __asm__ __volatile__( \ | ||
182 | "/* Get user asm ret, inline. */\n" \ | ||
183 | "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ | ||
184 | ".section __ex_table,\"a\"\n\t" \ | ||
185 | ".align 4\n\t" \ | ||
186 | ".word 1b,__ret_efault\n\n\t" \ | ||
187 | ".previous\n\t" \ | ||
188 | : "=r" (x) : "r" (__m(addr))); \ | ||
189 | else \ | ||
190 | __asm__ __volatile__( \ | ||
191 | "/* Get user asm ret, inline. */\n" \ | ||
192 | "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ | ||
193 | ".section .fixup,#alloc,#execinstr\n\t" \ | ||
194 | ".align 4\n" \ | ||
195 | "3:\n\t" \ | ||
196 | "ret\n\t" \ | ||
197 | " restore %%g0, %2, %%o0\n\n\t" \ | ||
198 | ".previous\n\t" \ | ||
199 | ".section __ex_table,\"a\"\n\t" \ | ||
200 | ".align 4\n\t" \ | ||
201 | ".word 1b, 3b\n\n\t" \ | ||
202 | ".previous\n\t" \ | ||
203 | : "=r" (x) : "r" (__m(addr)), "i" (retval)) | ||
204 | |||
205 | extern int __get_user_bad(void); | ||
206 | |||
207 | extern unsigned long __must_check ___copy_from_user(void *to, | ||
208 | const void __user *from, | ||
209 | unsigned long size); | ||
210 | extern unsigned long copy_from_user_fixup(void *to, const void __user *from, | ||
211 | unsigned long size); | ||
212 | static inline unsigned long __must_check | ||
213 | copy_from_user(void *to, const void __user *from, unsigned long size) | ||
214 | { | ||
215 | unsigned long ret = ___copy_from_user(to, from, size); | ||
216 | |||
217 | if (unlikely(ret)) | ||
218 | ret = copy_from_user_fixup(to, from, size); | ||
219 | return ret; | ||
220 | } | ||
221 | #define __copy_from_user copy_from_user | ||
222 | |||
223 | extern unsigned long __must_check ___copy_to_user(void __user *to, | ||
224 | const void *from, | ||
225 | unsigned long size); | ||
226 | extern unsigned long copy_to_user_fixup(void __user *to, const void *from, | ||
227 | unsigned long size); | ||
228 | static inline unsigned long __must_check | ||
229 | copy_to_user(void __user *to, const void *from, unsigned long size) | ||
230 | { | ||
231 | unsigned long ret = ___copy_to_user(to, from, size); | ||
232 | |||
233 | if (unlikely(ret)) | ||
234 | ret = copy_to_user_fixup(to, from, size); | ||
235 | return ret; | ||
236 | } | ||
237 | #define __copy_to_user copy_to_user | ||
238 | |||
239 | extern unsigned long __must_check ___copy_in_user(void __user *to, | ||
240 | const void __user *from, | ||
241 | unsigned long size); | ||
242 | extern unsigned long copy_in_user_fixup(void __user *to, void __user *from, | ||
243 | unsigned long size); | ||
244 | static inline unsigned long __must_check | ||
245 | copy_in_user(void __user *to, void __user *from, unsigned long size) | ||
246 | { | ||
247 | unsigned long ret = ___copy_in_user(to, from, size); | ||
248 | |||
249 | if (unlikely(ret)) | ||
250 | ret = copy_in_user_fixup(to, from, size); | ||
251 | return ret; | ||
252 | } | ||
253 | #define __copy_in_user copy_in_user | ||
254 | |||
255 | extern unsigned long __must_check __clear_user(void __user *, unsigned long); | ||
256 | |||
257 | #define clear_user __clear_user | ||
258 | |||
259 | extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count); | ||
260 | |||
261 | #define strncpy_from_user __strncpy_from_user | ||
262 | |||
263 | extern long __strlen_user(const char __user *); | ||
264 | extern long __strnlen_user(const char __user *, long len); | ||
265 | |||
266 | #define strlen_user __strlen_user | ||
267 | #define strnlen_user __strnlen_user | ||
268 | #define __copy_to_user_inatomic __copy_to_user | ||
269 | #define __copy_from_user_inatomic __copy_from_user | ||
270 | |||
271 | #endif /* __ASSEMBLY__ */ | ||
272 | |||
273 | #endif /* _ASM_UACCESS_H */ | ||
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h index 13be4453a1f0..ad86e0b7a455 100644 --- a/include/asm-sparc64/unistd.h +++ b/include/asm-sparc64/unistd.h | |||
@@ -1,373 +1 @@ | |||
1 | #ifndef _SPARC64_UNISTD_H | #include <asm-sparc/unistd.h> | |
2 | #define _SPARC64_UNISTD_H | ||
3 | |||
4 | /* | ||
5 | * System calls under the Sparc. | ||
6 | * | ||
7 | * Don't be scared by the ugly clobbers, it is the only way I can | ||
8 | * think of right now to force the arguments into fixed registers | ||
9 | * before the trap into the system call with gcc 'asm' statements. | ||
10 | * | ||
11 | * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) | ||
12 | * | ||
13 | * SunOS compatibility based upon preliminary work which is: | ||
14 | * | ||
15 | * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) | ||
16 | */ | ||
17 | |||
18 | #define __NR_restart_syscall 0 /* Linux Specific */ | ||
19 | #define __NR_exit 1 /* Common */ | ||
20 | #define __NR_fork 2 /* Common */ | ||
21 | #define __NR_read 3 /* Common */ | ||
22 | #define __NR_write 4 /* Common */ | ||
23 | #define __NR_open 5 /* Common */ | ||
24 | #define __NR_close 6 /* Common */ | ||
25 | #define __NR_wait4 7 /* Common */ | ||
26 | #define __NR_creat 8 /* Common */ | ||
27 | #define __NR_link 9 /* Common */ | ||
28 | #define __NR_unlink 10 /* Common */ | ||
29 | #define __NR_execv 11 /* SunOS Specific */ | ||
30 | #define __NR_chdir 12 /* Common */ | ||
31 | #define __NR_chown 13 /* Common */ | ||
32 | #define __NR_mknod 14 /* Common */ | ||
33 | #define __NR_chmod 15 /* Common */ | ||
34 | #define __NR_lchown 16 /* Common */ | ||
35 | #define __NR_brk 17 /* Common */ | ||
36 | #define __NR_perfctr 18 /* Performance counter operations */ | ||
37 | #define __NR_lseek 19 /* Common */ | ||
38 | #define __NR_getpid 20 /* Common */ | ||
39 | #define __NR_capget 21 /* Linux Specific */ | ||
40 | #define __NR_capset 22 /* Linux Specific */ | ||
41 | #define __NR_setuid 23 /* Implemented via setreuid in SunOS */ | ||
42 | #define __NR_getuid 24 /* Common */ | ||
43 | #define __NR_vmsplice 25 /* ENOSYS under SunOS */ | ||
44 | #define __NR_ptrace 26 /* Common */ | ||
45 | #define __NR_alarm 27 /* Implemented via setitimer in SunOS */ | ||
46 | #define __NR_sigaltstack 28 /* Common */ | ||
47 | #define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ | ||
48 | #define __NR_utime 30 /* Implemented via utimes() under SunOS */ | ||
49 | /* #define __NR_lchown32 31 Linux sparc32 specific */ | ||
50 | /* #define __NR_fchown32 32 Linux sparc32 specific */ | ||
51 | #define __NR_access 33 /* Common */ | ||
52 | #define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ | ||
53 | /* #define __NR_chown32 35 Linux sparc32 specific */ | ||
54 | #define __NR_sync 36 /* Common */ | ||
55 | #define __NR_kill 37 /* Common */ | ||
56 | #define __NR_stat 38 /* Common */ | ||
57 | #define __NR_sendfile 39 /* Linux Specific */ | ||
58 | #define __NR_lstat 40 /* Common */ | ||
59 | #define __NR_dup 41 /* Common */ | ||
60 | #define __NR_pipe 42 /* Common */ | ||
61 | #define __NR_times 43 /* Implemented via getrusage() in SunOS */ | ||
62 | /* #define __NR_getuid32 44 Linux sparc32 specific */ | ||
63 | #define __NR_umount2 45 /* Linux Specific */ | ||
64 | #define __NR_setgid 46 /* Implemented via setregid() in SunOS */ | ||
65 | #define __NR_getgid 47 /* Common */ | ||
66 | #define __NR_signal 48 /* Implemented via sigvec() in SunOS */ | ||
67 | #define __NR_geteuid 49 /* SunOS calls getuid() */ | ||
68 | #define __NR_getegid 50 /* SunOS calls getgid() */ | ||
69 | #define __NR_acct 51 /* Common */ | ||
70 | #define __NR_memory_ordering 52 /* Linux Specific */ | ||
71 | /* #define __NR_getgid32 53 Linux sparc32 specific */ | ||
72 | #define __NR_ioctl 54 /* Common */ | ||
73 | #define __NR_reboot 55 /* Common */ | ||
74 | /* #define __NR_mmap2 56 Linux sparc32 Specific */ | ||
75 | #define __NR_symlink 57 /* Common */ | ||
76 | #define __NR_readlink 58 /* Common */ | ||
77 | #define __NR_execve 59 /* Common */ | ||
78 | #define __NR_umask 60 /* Common */ | ||
79 | #define __NR_chroot 61 /* Common */ | ||
80 | #define __NR_fstat 62 /* Common */ | ||
81 | #define __NR_fstat64 63 /* Linux Specific */ | ||
82 | #define __NR_getpagesize 64 /* Common */ | ||
83 | #define __NR_msync 65 /* Common in newer 1.3.x revs... */ | ||
84 | #define __NR_vfork 66 /* Common */ | ||
85 | #define __NR_pread64 67 /* Linux Specific */ | ||
86 | #define __NR_pwrite64 68 /* Linux Specific */ | ||
87 | /* #define __NR_geteuid32 69 Linux sparc32, sbrk under SunOS */ | ||
88 | /* #define __NR_getegid32 70 Linux sparc32, sstk under SunOS */ | ||
89 | #define __NR_mmap 71 /* Common */ | ||
90 | /* #define __NR_setreuid32 72 Linux sparc32, vadvise under SunOS */ | ||
91 | #define __NR_munmap 73 /* Common */ | ||
92 | #define __NR_mprotect 74 /* Common */ | ||
93 | #define __NR_madvise 75 /* Common */ | ||
94 | #define __NR_vhangup 76 /* Common */ | ||
95 | /* #define __NR_truncate64 77 Linux sparc32 Specific */ | ||
96 | #define __NR_mincore 78 /* Common */ | ||
97 | #define __NR_getgroups 79 /* Common */ | ||
98 | #define __NR_setgroups 80 /* Common */ | ||
99 | #define __NR_getpgrp 81 /* Common */ | ||
100 | /* #define __NR_setgroups32 82 Linux sparc32, setpgrp under SunOS */ | ||
101 | #define __NR_setitimer 83 /* Common */ | ||
102 | /* #define __NR_ftruncate64 84 Linux sparc32 Specific */ | ||
103 | #define __NR_swapon 85 /* Common */ | ||
104 | #define __NR_getitimer 86 /* Common */ | ||
105 | /* #define __NR_setuid32 87 Linux sparc32, gethostname under SunOS */ | ||
106 | #define __NR_sethostname 88 /* Common */ | ||
107 | /* #define __NR_setgid32 89 Linux sparc32, getdtablesize under SunOS */ | ||
108 | #define __NR_dup2 90 /* Common */ | ||
109 | /* #define __NR_setfsuid32 91 Linux sparc32, getdopt under SunOS */ | ||
110 | #define __NR_fcntl 92 /* Common */ | ||
111 | #define __NR_select 93 /* Common */ | ||
112 | /* #define __NR_setfsgid32 94 Linux sparc32, setdopt under SunOS */ | ||
113 | #define __NR_fsync 95 /* Common */ | ||
114 | #define __NR_setpriority 96 /* Common */ | ||
115 | #define __NR_socket 97 /* Common */ | ||
116 | #define __NR_connect 98 /* Common */ | ||
117 | #define __NR_accept 99 /* Common */ | ||
118 | #define __NR_getpriority 100 /* Common */ | ||
119 | #define __NR_rt_sigreturn 101 /* Linux Specific */ | ||
120 | #define __NR_rt_sigaction 102 /* Linux Specific */ | ||
121 | #define __NR_rt_sigprocmask 103 /* Linux Specific */ | ||
122 | #define __NR_rt_sigpending 104 /* Linux Specific */ | ||
123 | #define __NR_rt_sigtimedwait 105 /* Linux Specific */ | ||
124 | #define __NR_rt_sigqueueinfo 106 /* Linux Specific */ | ||
125 | #define __NR_rt_sigsuspend 107 /* Linux Specific */ | ||
126 | #define __NR_setresuid 108 /* Linux Specific, sigvec under SunOS */ | ||
127 | #define __NR_getresuid 109 /* Linux Specific, sigblock under SunOS */ | ||
128 | #define __NR_setresgid 110 /* Linux Specific, sigsetmask under SunOS */ | ||
129 | #define __NR_getresgid 111 /* Linux Specific, sigpause under SunOS */ | ||
130 | /* #define __NR_setregid32 75 Linux sparc32, sigstack under SunOS */ | ||
131 | #define __NR_recvmsg 113 /* Common */ | ||
132 | #define __NR_sendmsg 114 /* Common */ | ||
133 | /* #define __NR_getgroups32 115 Linux sparc32, vtrace under SunOS */ | ||
134 | #define __NR_gettimeofday 116 /* Common */ | ||
135 | #define __NR_getrusage 117 /* Common */ | ||
136 | #define __NR_getsockopt 118 /* Common */ | ||
137 | #define __NR_getcwd 119 /* Linux Specific */ | ||
138 | #define __NR_readv 120 /* Common */ | ||
139 | #define __NR_writev 121 /* Common */ | ||
140 | #define __NR_settimeofday 122 /* Common */ | ||
141 | #define __NR_fchown 123 /* Common */ | ||
142 | #define __NR_fchmod 124 /* Common */ | ||
143 | #define __NR_recvfrom 125 /* Common */ | ||
144 | #define __NR_setreuid 126 /* Common */ | ||
145 | #define __NR_setregid 127 /* Common */ | ||
146 | #define __NR_rename 128 /* Common */ | ||
147 | #define __NR_truncate 129 /* Common */ | ||
148 | #define __NR_ftruncate 130 /* Common */ | ||
149 | #define __NR_flock 131 /* Common */ | ||
150 | #define __NR_lstat64 132 /* Linux Specific */ | ||
151 | #define __NR_sendto 133 /* Common */ | ||
152 | #define __NR_shutdown 134 /* Common */ | ||
153 | #define __NR_socketpair 135 /* Common */ | ||
154 | #define __NR_mkdir 136 /* Common */ | ||
155 | #define __NR_rmdir 137 /* Common */ | ||
156 | #define __NR_utimes 138 /* SunOS Specific */ | ||
157 | #define __NR_stat64 139 /* Linux Specific */ | ||
158 | #define __NR_sendfile64 140 /* adjtime under SunOS */ | ||
159 | #define __NR_getpeername 141 /* Common */ | ||
160 | #define __NR_futex 142 /* gethostid under SunOS */ | ||
161 | #define __NR_gettid 143 /* ENOSYS under SunOS */ | ||
162 | #define __NR_getrlimit 144 /* Common */ | ||
163 | #define __NR_setrlimit 145 /* Common */ | ||
164 | #define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ | ||
165 | #define __NR_prctl 147 /* ENOSYS under SunOS */ | ||
166 | #define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ | ||
167 | #define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ | ||
168 | #define __NR_getsockname 150 /* Common */ | ||
169 | #define __NR_inotify_init 151 /* Linux specific */ | ||
170 | #define __NR_inotify_add_watch 152 /* Linux specific */ | ||
171 | #define __NR_poll 153 /* Common */ | ||
172 | #define __NR_getdents64 154 /* Linux specific */ | ||
173 | /* #define __NR_fcntl64 155 Linux sparc32 Specific */ | ||
174 | #define __NR_inotify_rm_watch 156 /* Linux specific */ | ||
175 | #define __NR_statfs 157 /* Common */ | ||
176 | #define __NR_fstatfs 158 /* Common */ | ||
177 | #define __NR_umount 159 /* Common */ | ||
178 | #define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ | ||
179 | #define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ | ||
180 | #define __NR_getdomainname 162 /* SunOS Specific */ | ||
181 | #define __NR_setdomainname 163 /* Common */ | ||
182 | #define __NR_utrap_install 164 /* SYSV ABI/v9 required */ | ||
183 | #define __NR_quotactl 165 /* Common */ | ||
184 | #define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ | ||
185 | #define __NR_mount 167 /* Common */ | ||
186 | #define __NR_ustat 168 /* Common */ | ||
187 | #define __NR_setxattr 169 /* SunOS: semsys */ | ||
188 | #define __NR_lsetxattr 170 /* SunOS: msgsys */ | ||
189 | #define __NR_fsetxattr 171 /* SunOS: shmsys */ | ||
190 | #define __NR_getxattr 172 /* SunOS: auditsys */ | ||
191 | #define __NR_lgetxattr 173 /* SunOS: rfssys */ | ||
192 | #define __NR_getdents 174 /* Common */ | ||
193 | #define __NR_setsid 175 /* Common */ | ||
194 | #define __NR_fchdir 176 /* Common */ | ||
195 | #define __NR_fgetxattr 177 /* SunOS: fchroot */ | ||
196 | #define __NR_listxattr 178 /* SunOS: vpixsys */ | ||
197 | #define __NR_llistxattr 179 /* SunOS: aioread */ | ||
198 | #define __NR_flistxattr 180 /* SunOS: aiowrite */ | ||
199 | #define __NR_removexattr 181 /* SunOS: aiowait */ | ||
200 | #define __NR_lremovexattr 182 /* SunOS: aiocancel */ | ||
201 | #define __NR_sigpending 183 /* Common */ | ||
202 | #define __NR_query_module 184 /* Linux Specific */ | ||
203 | #define __NR_setpgid 185 /* Common */ | ||
204 | #define __NR_fremovexattr 186 /* SunOS: pathconf */ | ||
205 | #define __NR_tkill 187 /* SunOS: fpathconf */ | ||
206 | #define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ | ||
207 | #define __NR_uname 189 /* Linux Specific */ | ||
208 | #define __NR_init_module 190 /* Linux Specific */ | ||
209 | #define __NR_personality 191 /* Linux Specific */ | ||
210 | #define __NR_remap_file_pages 192 /* Linux Specific */ | ||
211 | #define __NR_epoll_create 193 /* Linux Specific */ | ||
212 | #define __NR_epoll_ctl 194 /* Linux Specific */ | ||
213 | #define __NR_epoll_wait 195 /* Linux Specific */ | ||
214 | #define __NR_ioprio_set 196 /* Linux Specific */ | ||
215 | #define __NR_getppid 197 /* Linux Specific */ | ||
216 | #define __NR_sigaction 198 /* Linux Specific */ | ||
217 | #define __NR_sgetmask 199 /* Linux Specific */ | ||
218 | #define __NR_ssetmask 200 /* Linux Specific */ | ||
219 | #define __NR_sigsuspend 201 /* Linux Specific */ | ||
220 | #define __NR_oldlstat 202 /* Linux Specific */ | ||
221 | #define __NR_uselib 203 /* Linux Specific */ | ||
222 | #define __NR_readdir 204 /* Linux Specific */ | ||
223 | #define __NR_readahead 205 /* Linux Specific */ | ||
224 | #define __NR_socketcall 206 /* Linux Specific */ | ||
225 | #define __NR_syslog 207 /* Linux Specific */ | ||
226 | #define __NR_lookup_dcookie 208 /* Linux Specific */ | ||
227 | #define __NR_fadvise64 209 /* Linux Specific */ | ||
228 | #define __NR_fadvise64_64 210 /* Linux Specific */ | ||
229 | #define __NR_tgkill 211 /* Linux Specific */ | ||
230 | #define __NR_waitpid 212 /* Linux Specific */ | ||
231 | #define __NR_swapoff 213 /* Linux Specific */ | ||
232 | #define __NR_sysinfo 214 /* Linux Specific */ | ||
233 | #define __NR_ipc 215 /* Linux Specific */ | ||
234 | #define __NR_sigreturn 216 /* Linux Specific */ | ||
235 | #define __NR_clone 217 /* Linux Specific */ | ||
236 | #define __NR_ioprio_get 218 /* Linux Specific */ | ||
237 | #define __NR_adjtimex 219 /* Linux Specific */ | ||
238 | #define __NR_sigprocmask 220 /* Linux Specific */ | ||
239 | #define __NR_create_module 221 /* Linux Specific */ | ||
240 | #define __NR_delete_module 222 /* Linux Specific */ | ||
241 | #define __NR_get_kernel_syms 223 /* Linux Specific */ | ||
242 | #define __NR_getpgid 224 /* Linux Specific */ | ||
243 | #define __NR_bdflush 225 /* Linux Specific */ | ||
244 | #define __NR_sysfs 226 /* Linux Specific */ | ||
245 | #define __NR_afs_syscall 227 /* Linux Specific */ | ||
246 | #define __NR_setfsuid 228 /* Linux Specific */ | ||
247 | #define __NR_setfsgid 229 /* Linux Specific */ | ||
248 | #define __NR__newselect 230 /* Linux Specific */ | ||
249 | #ifdef __KERNEL__ | ||
250 | #define __NR_time 231 /* Linux sparc32 */ | ||
251 | #endif | ||
252 | #define __NR_splice 232 /* Linux Specific */ | ||
253 | #define __NR_stime 233 /* Linux Specific */ | ||
254 | #define __NR_statfs64 234 /* Linux Specific */ | ||
255 | #define __NR_fstatfs64 235 /* Linux Specific */ | ||
256 | #define __NR__llseek 236 /* Linux Specific */ | ||
257 | #define __NR_mlock 237 | ||
258 | #define __NR_munlock 238 | ||
259 | #define __NR_mlockall 239 | ||
260 | #define __NR_munlockall 240 | ||
261 | #define __NR_sched_setparam 241 | ||
262 | #define __NR_sched_getparam 242 | ||
263 | #define __NR_sched_setscheduler 243 | ||
264 | #define __NR_sched_getscheduler 244 | ||
265 | #define __NR_sched_yield 245 | ||
266 | #define __NR_sched_get_priority_max 246 | ||
267 | #define __NR_sched_get_priority_min 247 | ||
268 | #define __NR_sched_rr_get_interval 248 | ||
269 | #define __NR_nanosleep 249 | ||
270 | #define __NR_mremap 250 | ||
271 | #define __NR__sysctl 251 | ||
272 | #define __NR_getsid 252 | ||
273 | #define __NR_fdatasync 253 | ||
274 | #define __NR_nfsservctl 254 | ||
275 | #define __NR_sync_file_range 255 | ||
276 | #define __NR_clock_settime 256 | ||
277 | #define __NR_clock_gettime 257 | ||
278 | #define __NR_clock_getres 258 | ||
279 | #define __NR_clock_nanosleep 259 | ||
280 | #define __NR_sched_getaffinity 260 | ||
281 | #define __NR_sched_setaffinity 261 | ||
282 | #define __NR_timer_settime 262 | ||
283 | #define __NR_timer_gettime 263 | ||
284 | #define __NR_timer_getoverrun 264 | ||
285 | #define __NR_timer_delete 265 | ||
286 | #define __NR_timer_create 266 | ||
287 | /* #define __NR_vserver 267 Reserved for VSERVER */ | ||
288 | #define __NR_io_setup 268 | ||
289 | #define __NR_io_destroy 269 | ||
290 | #define __NR_io_submit 270 | ||
291 | #define __NR_io_cancel 271 | ||
292 | #define __NR_io_getevents 272 | ||
293 | #define __NR_mq_open 273 | ||
294 | #define __NR_mq_unlink 274 | ||
295 | #define __NR_mq_timedsend 275 | ||
296 | #define __NR_mq_timedreceive 276 | ||
297 | #define __NR_mq_notify 277 | ||
298 | #define __NR_mq_getsetattr 278 | ||
299 | #define __NR_waitid 279 | ||
300 | #define __NR_tee 280 | ||
301 | #define __NR_add_key 281 | ||
302 | #define __NR_request_key 282 | ||
303 | #define __NR_keyctl 283 | ||
304 | #define __NR_openat 284 | ||
305 | #define __NR_mkdirat 285 | ||
306 | #define __NR_mknodat 286 | ||
307 | #define __NR_fchownat 287 | ||
308 | #define __NR_futimesat 288 | ||
309 | #define __NR_fstatat64 289 | ||
310 | #define __NR_unlinkat 290 | ||
311 | #define __NR_renameat 291 | ||
312 | #define __NR_linkat 292 | ||
313 | #define __NR_symlinkat 293 | ||
314 | #define __NR_readlinkat 294 | ||
315 | #define __NR_fchmodat 295 | ||
316 | #define __NR_faccessat 296 | ||
317 | #define __NR_pselect6 297 | ||
318 | #define __NR_ppoll 298 | ||
319 | #define __NR_unshare 299 | ||
320 | #define __NR_set_robust_list 300 | ||
321 | #define __NR_get_robust_list 301 | ||
322 | #define __NR_migrate_pages 302 | ||
323 | #define __NR_mbind 303 | ||
324 | #define __NR_get_mempolicy 304 | ||
325 | #define __NR_set_mempolicy 305 | ||
326 | #define __NR_kexec_load 306 | ||
327 | #define __NR_move_pages 307 | ||
328 | #define __NR_getcpu 308 | ||
329 | #define __NR_epoll_pwait 309 | ||
330 | #define __NR_utimensat 310 | ||
331 | #define __NR_signalfd 311 | ||
332 | #define __NR_timerfd_create 312 | ||
333 | #define __NR_eventfd 313 | ||
334 | #define __NR_fallocate 314 | ||
335 | #define __NR_timerfd_settime 315 | ||
336 | #define __NR_timerfd_gettime 316 | ||
337 | |||
338 | #define NR_SYSCALLS 317 | ||
339 | |||
340 | #ifdef __KERNEL__ | ||
341 | #define __ARCH_WANT_IPC_PARSE_VERSION | ||
342 | #define __ARCH_WANT_OLD_READDIR | ||
343 | #define __ARCH_WANT_STAT64 | ||
344 | #define __ARCH_WANT_SYS_ALARM | ||
345 | #define __ARCH_WANT_SYS_GETHOSTNAME | ||
346 | #define __ARCH_WANT_SYS_PAUSE | ||
347 | #define __ARCH_WANT_SYS_SGETMASK | ||
348 | #define __ARCH_WANT_SYS_SIGNAL | ||
349 | #define __ARCH_WANT_SYS_TIME | ||
350 | #define __ARCH_WANT_COMPAT_SYS_TIME | ||
351 | #define __ARCH_WANT_SYS_UTIME | ||
352 | #define __ARCH_WANT_SYS_WAITPID | ||
353 | #define __ARCH_WANT_SYS_SOCKETCALL | ||
354 | #define __ARCH_WANT_SYS_FADVISE64 | ||
355 | #define __ARCH_WANT_SYS_GETPGRP | ||
356 | #define __ARCH_WANT_SYS_LLSEEK | ||
357 | #define __ARCH_WANT_SYS_NICE | ||
358 | #define __ARCH_WANT_SYS_OLDUMOUNT | ||
359 | #define __ARCH_WANT_SYS_SIGPENDING | ||
360 | #define __ARCH_WANT_SYS_SIGPROCMASK | ||
361 | #define __ARCH_WANT_SYS_RT_SIGSUSPEND | ||
362 | #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND | ||
363 | |||
364 | /* | ||
365 | * "Conditional" syscalls | ||
366 | * | ||
367 | * What we want is __attribute__((weak,alias("sys_ni_syscall"))), | ||
368 | * but it doesn't work on all toolchains, so we just do it by hand | ||
369 | */ | ||
370 | #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") | ||
371 | |||
372 | #endif /* __KERNEL__ */ | ||
373 | #endif /* _SPARC64_UNISTD_H */ | ||
diff --git a/include/asm-sparc64/xor.h b/include/asm-sparc64/xor.h index a0233884fc94..ef187cc07ed5 100644 --- a/include/asm-sparc64/xor.h +++ b/include/asm-sparc64/xor.h | |||
@@ -1,70 +1 @@ | |||
1 | /* | #include <asm-sparc/xor.h> | |
2 | * include/asm-sparc64/xor.h | ||
3 | * | ||
4 | * High speed xor_block operation for RAID4/5 utilizing the | ||
5 | * UltraSparc Visual Instruction Set and Niagara block-init | ||
6 | * twin-load instructions. | ||
7 | * | ||
8 | * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz) | ||
9 | * Copyright (C) 2006 David S. Miller <davem@davemloft.net> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2, or (at your option) | ||
14 | * any later version. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * (for example /usr/src/linux/COPYING); if not, write to the Free | ||
18 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 | */ | ||
20 | |||
21 | #include <asm/spitfire.h> | ||
22 | |||
23 | extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); | ||
24 | extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, | ||
25 | unsigned long *); | ||
26 | extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *, | ||
27 | unsigned long *, unsigned long *); | ||
28 | extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *, | ||
29 | unsigned long *, unsigned long *, unsigned long *); | ||
30 | |||
31 | /* XXX Ugh, write cheetah versions... -DaveM */ | ||
32 | |||
33 | static struct xor_block_template xor_block_VIS = { | ||
34 | .name = "VIS", | ||
35 | .do_2 = xor_vis_2, | ||
36 | .do_3 = xor_vis_3, | ||
37 | .do_4 = xor_vis_4, | ||
38 | .do_5 = xor_vis_5, | ||
39 | }; | ||
40 | |||
41 | extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); | ||
42 | extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, | ||
43 | unsigned long *); | ||
44 | extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, | ||
45 | unsigned long *, unsigned long *); | ||
46 | extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, | ||
47 | unsigned long *, unsigned long *, unsigned long *); | ||
48 | |||
49 | static struct xor_block_template xor_block_niagara = { | ||
50 | .name = "Niagara", | ||
51 | .do_2 = xor_niagara_2, | ||
52 | .do_3 = xor_niagara_3, | ||
53 | .do_4 = xor_niagara_4, | ||
54 | .do_5 = xor_niagara_5, | ||
55 | }; | ||
56 | |||
57 | #undef XOR_TRY_TEMPLATES | ||
58 | #define XOR_TRY_TEMPLATES \ | ||
59 | do { \ | ||
60 | xor_speed(&xor_block_VIS); \ | ||
61 | xor_speed(&xor_block_niagara); \ | ||
62 | } while (0) | ||
63 | |||
64 | /* For VIS for everything except Niagara. */ | ||
65 | #define XOR_SELECT_TEMPLATE(FASTEST) \ | ||
66 | ((tlb_type == hypervisor && \ | ||
67 | (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ | ||
68 | sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \ | ||
69 | &xor_block_niagara : \ | ||
70 | &xor_block_VIS) | ||