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-rw-r--r--arch/blackfin/include/asm/byteorder.h1
-rw-r--r--arch/blackfin/include/asm/cachectl.h20
-rw-r--r--arch/blackfin/include/asm/fcntl.h17
-rw-r--r--arch/blackfin/include/asm/ioctls.h7
-rw-r--r--arch/blackfin/include/asm/mutex.h1
-rw-r--r--arch/blackfin/include/asm/poll.h16
-rw-r--r--arch/blackfin/include/asm/posix_types.h33
-rw-r--r--arch/blackfin/include/asm/sigcontext.h61
-rw-r--r--arch/blackfin/include/asm/siginfo.h41
-rw-r--r--arch/blackfin/include/asm/signal.h7
-rw-r--r--arch/blackfin/include/asm/stat.h69
-rw-r--r--arch/blackfin/include/asm/swab.h50
-rw-r--r--arch/blackfin/include/asm/system.h192
13 files changed, 515 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/byteorder.h b/arch/blackfin/include/asm/byteorder.h
new file mode 100644
index 00000000000..9558416d578
--- /dev/null
+++ b/arch/blackfin/include/asm/byteorder.h
@@ -0,0 +1 @@
#include <linux/byteorder/little_endian.h>
diff --git a/arch/blackfin/include/asm/cachectl.h b/arch/blackfin/include/asm/cachectl.h
new file mode 100644
index 00000000000..03255df6c1e
--- /dev/null
+++ b/arch/blackfin/include/asm/cachectl.h
@@ -0,0 +1,20 @@
1/*
2 * based on the mips/cachectl.h
3 *
4 * Copyright 2010 Analog Devices Inc.
5 * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
6 *
7 * Licensed under the GPL-2 or later.
8 */
9
10#ifndef _ASM_CACHECTL
11#define _ASM_CACHECTL
12
13/*
14 * Options for cacheflush system call
15 */
16#define ICACHE (1<<0) /* flush instruction cache */
17#define DCACHE (1<<1) /* writeback and flush data cache */
18#define BCACHE (ICACHE|DCACHE) /* flush both caches */
19
20#endif /* _ASM_CACHECTL */
diff --git a/arch/blackfin/include/asm/fcntl.h b/arch/blackfin/include/asm/fcntl.h
new file mode 100644
index 00000000000..251c911d59c
--- /dev/null
+++ b/arch/blackfin/include/asm/fcntl.h
@@ -0,0 +1,17 @@
1/*
2 * Copyright 2004-2008 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef _BFIN_FCNTL_H
8#define _BFIN_FCNTL_H
9
10#define O_DIRECTORY 040000 /* must be a directory */
11#define O_NOFOLLOW 0100000 /* don't follow links */
12#define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
13#define O_LARGEFILE 0400000
14
15#include <asm-generic/fcntl.h>
16
17#endif
diff --git a/arch/blackfin/include/asm/ioctls.h b/arch/blackfin/include/asm/ioctls.h
new file mode 100644
index 00000000000..eca8d75b0a8
--- /dev/null
+++ b/arch/blackfin/include/asm/ioctls.h
@@ -0,0 +1,7 @@
1#ifndef __ARCH_BFIN_IOCTLS_H__
2#define __ARCH_BFIN_IOCTLS_H__
3
4#define FIOQSIZE 0x545E
5#include <asm-generic/ioctls.h>
6
7#endif
diff --git a/arch/blackfin/include/asm/mutex.h b/arch/blackfin/include/asm/mutex.h
new file mode 100644
index 00000000000..ff6101aa2c7
--- /dev/null
+++ b/arch/blackfin/include/asm/mutex.h
@@ -0,0 +1 @@
#include <asm-generic/mutex-dec.h>
diff --git a/arch/blackfin/include/asm/poll.h b/arch/blackfin/include/asm/poll.h
new file mode 100644
index 00000000000..072d8966c5c
--- /dev/null
+++ b/arch/blackfin/include/asm/poll.h
@@ -0,0 +1,16 @@
1/*
2 * Copyright 2004-2009 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 *
6 */
7
8#ifndef __BFIN_POLL_H
9#define __BFIN_POLL_H
10
11#define POLLWRNORM 4 /* POLLOUT */
12#define POLLWRBAND 256
13
14#include <asm-generic/poll.h>
15
16#endif
diff --git a/arch/blackfin/include/asm/posix_types.h b/arch/blackfin/include/asm/posix_types.h
new file mode 100644
index 00000000000..41bc1875c4d
--- /dev/null
+++ b/arch/blackfin/include/asm/posix_types.h
@@ -0,0 +1,33 @@
1/*
2 * Copyright 2004-2009 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef __ARCH_BFIN_POSIX_TYPES_H
8#define __ARCH_BFIN_POSIX_TYPES_H
9
10typedef unsigned short __kernel_mode_t;
11#define __kernel_mode_t __kernel_mode_t
12
13typedef unsigned short __kernel_nlink_t;
14#define __kernel_nlink_t __kernel_nlink_t
15
16typedef unsigned int __kernel_ipc_pid_t;
17#define __kernel_ipc_pid_t __kernel_ipc_pid_t
18
19typedef unsigned long __kernel_size_t;
20typedef long __kernel_ssize_t;
21typedef int __kernel_ptrdiff_t;
22#define __kernel_size_t __kernel_size_t
23
24typedef unsigned short __kernel_old_uid_t;
25typedef unsigned short __kernel_old_gid_t;
26#define __kernel_old_uid_t __kernel_old_uid_t
27
28typedef unsigned short __kernel_old_dev_t;
29#define __kernel_old_dev_t __kernel_old_dev_t
30
31#include <asm-generic/posix_types.h>
32
33#endif
diff --git a/arch/blackfin/include/asm/sigcontext.h b/arch/blackfin/include/asm/sigcontext.h
new file mode 100644
index 00000000000..906bdc1f5fd
--- /dev/null
+++ b/arch/blackfin/include/asm/sigcontext.h
@@ -0,0 +1,61 @@
1/*
2 * Copyright 2004-2008 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef _ASM_BLACKFIN_SIGCONTEXT_H
8#define _ASM_BLACKFIN_SIGCONTEXT_H
9
10/* Add new entries at the end of the structure only. */
11struct sigcontext {
12 unsigned long sc_r0;
13 unsigned long sc_r1;
14 unsigned long sc_r2;
15 unsigned long sc_r3;
16 unsigned long sc_r4;
17 unsigned long sc_r5;
18 unsigned long sc_r6;
19 unsigned long sc_r7;
20 unsigned long sc_p0;
21 unsigned long sc_p1;
22 unsigned long sc_p2;
23 unsigned long sc_p3;
24 unsigned long sc_p4;
25 unsigned long sc_p5;
26 unsigned long sc_usp;
27 unsigned long sc_a0w;
28 unsigned long sc_a1w;
29 unsigned long sc_a0x;
30 unsigned long sc_a1x;
31 unsigned long sc_astat;
32 unsigned long sc_rets;
33 unsigned long sc_pc;
34 unsigned long sc_retx;
35 unsigned long sc_fp;
36 unsigned long sc_i0;
37 unsigned long sc_i1;
38 unsigned long sc_i2;
39 unsigned long sc_i3;
40 unsigned long sc_m0;
41 unsigned long sc_m1;
42 unsigned long sc_m2;
43 unsigned long sc_m3;
44 unsigned long sc_l0;
45 unsigned long sc_l1;
46 unsigned long sc_l2;
47 unsigned long sc_l3;
48 unsigned long sc_b0;
49 unsigned long sc_b1;
50 unsigned long sc_b2;
51 unsigned long sc_b3;
52 unsigned long sc_lc0;
53 unsigned long sc_lc1;
54 unsigned long sc_lt0;
55 unsigned long sc_lt1;
56 unsigned long sc_lb0;
57 unsigned long sc_lb1;
58 unsigned long sc_seqstat;
59};
60
61#endif
diff --git a/arch/blackfin/include/asm/siginfo.h b/arch/blackfin/include/asm/siginfo.h
new file mode 100644
index 00000000000..3e81306394e
--- /dev/null
+++ b/arch/blackfin/include/asm/siginfo.h
@@ -0,0 +1,41 @@
1/*
2 * Copyright 2004-2008 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef _BFIN_SIGINFO_H
8#define _BFIN_SIGINFO_H
9
10#include <linux/types.h>
11#include <asm-generic/siginfo.h>
12
13#define UID16_SIGINFO_COMPAT_NEEDED
14
15#define si_uid16 _sifields._kill._uid
16
17#define ILL_ILLPARAOP (__SI_FAULT|2) /* illegal opcode combine ********** */
18#define ILL_ILLEXCPT (__SI_FAULT|4) /* unrecoverable exception ********** */
19#define ILL_CPLB_VI (__SI_FAULT|9) /* D/I CPLB protect violation ******** */
20#define ILL_CPLB_MISS (__SI_FAULT|10) /* D/I CPLB miss ******** */
21#define ILL_CPLB_MULHIT (__SI_FAULT|11) /* D/I CPLB multiple hit ******** */
22
23/*
24 * SIGBUS si_codes
25 */
26#define BUS_OPFETCH (__SI_FAULT|4) /* error from instruction fetch ******** */
27
28/*
29 * SIGTRAP si_codes
30 */
31#define TRAP_STEP (__SI_FAULT|1) /* single-step breakpoint************* */
32#define TRAP_TRACEFLOW (__SI_FAULT|2) /* trace buffer overflow ************* */
33#define TRAP_WATCHPT (__SI_FAULT|3) /* watchpoint match ************* */
34#define TRAP_ILLTRAP (__SI_FAULT|4) /* illegal trap ************* */
35
36/*
37 * SIGSEGV si_codes
38 */
39#define SEGV_STACKFLOW (__SI_FAULT|3) /* stack overflow */
40
41#endif
diff --git a/arch/blackfin/include/asm/signal.h b/arch/blackfin/include/asm/signal.h
new file mode 100644
index 00000000000..77a3bf37b69
--- /dev/null
+++ b/arch/blackfin/include/asm/signal.h
@@ -0,0 +1,7 @@
1#ifndef _BLACKFIN_SIGNAL_H
2#define _BLACKFIN_SIGNAL_H
3
4#define SA_RESTORER 0x04000000
5#include <asm-generic/signal.h>
6
7#endif
diff --git a/arch/blackfin/include/asm/stat.h b/arch/blackfin/include/asm/stat.h
new file mode 100644
index 00000000000..2e27665c4e9
--- /dev/null
+++ b/arch/blackfin/include/asm/stat.h
@@ -0,0 +1,69 @@
1/*
2 * Copyright 2004-2006 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2.
5 */
6
7#ifndef _BFIN_STAT_H
8#define _BFIN_STAT_H
9
10struct stat {
11 unsigned short st_dev;
12 unsigned short __pad1;
13 unsigned long st_ino;
14 unsigned short st_mode;
15 unsigned short st_nlink;
16 unsigned short st_uid;
17 unsigned short st_gid;
18 unsigned short st_rdev;
19 unsigned short __pad2;
20 unsigned long st_size;
21 unsigned long st_blksize;
22 unsigned long st_blocks;
23 unsigned long st_atime;
24 unsigned long __unused1;
25 unsigned long st_mtime;
26 unsigned long __unused2;
27 unsigned long st_ctime;
28 unsigned long __unused3;
29 unsigned long __unused4;
30 unsigned long __unused5;
31};
32
33/* This matches struct stat64 in glibc2.1, hence the absolutely
34 * insane amounts of padding around dev_t's.
35 */
36struct stat64 {
37 unsigned long long st_dev;
38 unsigned char __pad1[4];
39
40#define STAT64_HAS_BROKEN_ST_INO 1
41 unsigned long __st_ino;
42
43 unsigned int st_mode;
44 unsigned int st_nlink;
45
46 unsigned long st_uid;
47 unsigned long st_gid;
48
49 unsigned long long st_rdev;
50 unsigned char __pad2[4];
51
52 long long st_size;
53 unsigned long st_blksize;
54
55 long long st_blocks; /* Number 512-byte blocks allocated. */
56
57 unsigned long st_atime;
58 unsigned long st_atime_nsec;
59
60 unsigned long st_mtime;
61 unsigned long st_mtime_nsec;
62
63 unsigned long st_ctime;
64 unsigned long st_ctime_nsec;
65
66 unsigned long long st_ino;
67};
68
69#endif /* _BFIN_STAT_H */
diff --git a/arch/blackfin/include/asm/swab.h b/arch/blackfin/include/asm/swab.h
new file mode 100644
index 00000000000..89de6507ca2
--- /dev/null
+++ b/arch/blackfin/include/asm/swab.h
@@ -0,0 +1,50 @@
1/*
2 * Copyright 2009 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef _BLACKFIN_SWAB_H
8#define _BLACKFIN_SWAB_H
9
10#include <linux/types.h>
11#include <asm-generic/swab.h>
12
13#ifdef __GNUC__
14
15static __inline__ __attribute_const__ __u32 __arch_swahb32(__u32 xx)
16{
17 __u32 tmp;
18 __asm__("%1 = %0 >> 8 (V);\n\t"
19 "%0 = %0 << 8 (V);\n\t"
20 "%0 = %0 | %1;\n\t"
21 : "+d"(xx), "=&d"(tmp));
22 return xx;
23}
24#define __arch_swahb32 __arch_swahb32
25
26static __inline__ __attribute_const__ __u32 __arch_swahw32(__u32 xx)
27{
28 __u32 rv;
29 __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx));
30 return rv;
31}
32#define __arch_swahw32 __arch_swahw32
33
34static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx)
35{
36 return __arch_swahb32(__arch_swahw32(xx));
37}
38#define __arch_swab32 __arch_swab32
39
40static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx)
41{
42 __u32 xw = xx;
43 __asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw));
44 return (__u16)xw;
45}
46#define __arch_swab16 __arch_swab16
47
48#endif /* __GNUC__ */
49
50#endif /* _BLACKFIN_SWAB_H */
diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h
new file mode 100644
index 00000000000..44bd0cced72
--- /dev/null
+++ b/arch/blackfin/include/asm/system.h
@@ -0,0 +1,192 @@
1/*
2 * Copyright 2004-2009 Analog Devices Inc.
3 * Tony Kou (tonyko@lineo.ca)
4 *
5 * Licensed under the GPL-2 or later
6 */
7
8#ifndef _BLACKFIN_SYSTEM_H
9#define _BLACKFIN_SYSTEM_H
10
11#include <linux/linkage.h>
12#include <linux/irqflags.h>
13#include <mach/anomaly.h>
14#include <asm/cache.h>
15#include <asm/pda.h>
16#include <asm/irq.h>
17
18/*
19 * Force strict CPU ordering.
20 */
21#define nop() __asm__ __volatile__ ("nop;\n\t" : : )
22#define smp_mb() mb()
23#define smp_rmb() rmb()
24#define smp_wmb() wmb()
25#define set_mb(var, value) do { var = value; mb(); } while (0)
26#define smp_read_barrier_depends() read_barrier_depends()
27
28#ifdef CONFIG_SMP
29asmlinkage unsigned long __raw_xchg_1_asm(volatile void *ptr, unsigned long value);
30asmlinkage unsigned long __raw_xchg_2_asm(volatile void *ptr, unsigned long value);
31asmlinkage unsigned long __raw_xchg_4_asm(volatile void *ptr, unsigned long value);
32asmlinkage unsigned long __raw_cmpxchg_1_asm(volatile void *ptr,
33 unsigned long new, unsigned long old);
34asmlinkage unsigned long __raw_cmpxchg_2_asm(volatile void *ptr,
35 unsigned long new, unsigned long old);
36asmlinkage unsigned long __raw_cmpxchg_4_asm(volatile void *ptr,
37 unsigned long new, unsigned long old);
38
39#ifdef __ARCH_SYNC_CORE_DCACHE
40/* Force Core data cache coherence */
41# define mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0)
42# define rmb() do { barrier(); smp_check_barrier(); } while (0)
43# define wmb() do { barrier(); smp_mark_barrier(); } while (0)
44# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0)
45#else
46# define mb() barrier()
47# define rmb() barrier()
48# define wmb() barrier()
49# define read_barrier_depends() do { } while (0)
50#endif
51
52static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
53 int size)
54{
55 unsigned long tmp;
56
57 switch (size) {
58 case 1:
59 tmp = __raw_xchg_1_asm(ptr, x);
60 break;
61 case 2:
62 tmp = __raw_xchg_2_asm(ptr, x);
63 break;
64 case 4:
65 tmp = __raw_xchg_4_asm(ptr, x);
66 break;
67 }
68
69 return tmp;
70}
71
72/*
73 * Atomic compare and exchange. Compare OLD with MEM, if identical,
74 * store NEW in MEM. Return the initial value in MEM. Success is
75 * indicated by comparing RETURN with OLD.
76 */
77static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
78 unsigned long new, int size)
79{
80 unsigned long tmp;
81
82 switch (size) {
83 case 1:
84 tmp = __raw_cmpxchg_1_asm(ptr, new, old);
85 break;
86 case 2:
87 tmp = __raw_cmpxchg_2_asm(ptr, new, old);
88 break;
89 case 4:
90 tmp = __raw_cmpxchg_4_asm(ptr, new, old);
91 break;
92 }
93
94 return tmp;
95}
96#define cmpxchg(ptr, o, n) \
97 ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
98 (unsigned long)(n), sizeof(*(ptr))))
99
100#else /* !CONFIG_SMP */
101
102#define mb() barrier()
103#define rmb() barrier()
104#define wmb() barrier()
105#define read_barrier_depends() do { } while (0)
106
107struct __xchg_dummy {
108 unsigned long a[100];
109};
110#define __xg(x) ((volatile struct __xchg_dummy *)(x))
111
112#include <mach/blackfin.h>
113
114static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
115 int size)
116{
117 unsigned long tmp = 0;
118 unsigned long flags;
119
120 flags = hard_local_irq_save();
121
122 switch (size) {
123 case 1:
124 __asm__ __volatile__
125 ("%0 = b%2 (z);\n\t"
126 "b%2 = %1;\n\t"
127 : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
128 break;
129 case 2:
130 __asm__ __volatile__
131 ("%0 = w%2 (z);\n\t"
132 "w%2 = %1;\n\t"
133 : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
134 break;
135 case 4:
136 __asm__ __volatile__
137 ("%0 = %2;\n\t"
138 "%2 = %1;\n\t"
139 : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
140 break;
141 }
142 hard_local_irq_restore(flags);
143 return tmp;
144}
145
146#include <asm-generic/cmpxchg-local.h>
147
148/*
149 * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
150 * them available.
151 */
152#define cmpxchg_local(ptr, o, n) \
153 ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
154 (unsigned long)(n), sizeof(*(ptr))))
155#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
156
157#include <asm-generic/cmpxchg.h>
158
159#endif /* !CONFIG_SMP */
160
161#define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
162#define tas(ptr) ((void)xchg((ptr), 1))
163
164#define prepare_to_switch() do { } while(0)
165
166/*
167 * switch_to(n) should switch tasks to task ptr, first checking that
168 * ptr isn't the current task, in which case it does nothing.
169 */
170
171#include <asm/l1layout.h>
172#include <asm/mem_map.h>
173
174asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next);
175
176#ifndef CONFIG_SMP
177#define switch_to(prev,next,last) \
178do { \
179 memcpy (&task_thread_info(prev)->l1_task_info, L1_SCRATCH_TASK_INFO, \
180 sizeof *L1_SCRATCH_TASK_INFO); \
181 memcpy (L1_SCRATCH_TASK_INFO, &task_thread_info(next)->l1_task_info, \
182 sizeof *L1_SCRATCH_TASK_INFO); \
183 (last) = resume (prev, next); \
184} while (0)
185#else
186#define switch_to(prev, next, last) \
187do { \
188 (last) = resume(prev, next); \
189} while (0)
190#endif
191
192#endif /* _BLACKFIN_SYSTEM_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-12 02:25:51 -0500