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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-04 19:27:50 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-04 19:27:50 -0500
commit602d4a7e2f4b843d1a67375d4d7104073495b758 (patch)
tree0b9f184e54fa693c27bd5986c114bdcf6949f788 /include/asm-ppc
parent0bbacc402e67abca8794a8401c1621dc0c0202e9 (diff)
parentc51e3a417bb0f295e13a5bad86302b5212eafdf3 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc-merge
Diffstat (limited to 'include/asm-ppc')
-rw-r--r--include/asm-ppc/bitops.h460
-rw-r--r--include/asm-ppc/commproc.h2
-rw-r--r--include/asm-ppc/futex.h53
-rw-r--r--include/asm-ppc/ipcbuf.h29
-rw-r--r--include/asm-ppc/kexec.h40
-rw-r--r--include/asm-ppc/ptrace.h152
-rw-r--r--include/asm-ppc/sigcontext.h15
-rw-r--r--include/asm-ppc/stat.h69
-rw-r--r--include/asm-ppc/tlb.h57
-rw-r--r--include/asm-ppc/tlbflush.h115
-rw-r--r--include/asm-ppc/uaccess.h393
-rw-r--r--include/asm-ppc/ucontext.h27
12 files changed, 2 insertions, 1410 deletions
diff --git a/include/asm-ppc/bitops.h b/include/asm-ppc/bitops.h
deleted file mode 100644
index e30f536fd830..000000000000
--- a/include/asm-ppc/bitops.h
+++ /dev/null
@@ -1,460 +0,0 @@
1/*
2 * bitops.h: Bit string operations on the ppc
3 */
4
5#ifdef __KERNEL__
6#ifndef _PPC_BITOPS_H
7#define _PPC_BITOPS_H
8
9#include <linux/config.h>
10#include <linux/compiler.h>
11#include <asm/byteorder.h>
12#include <asm/atomic.h>
13
14/*
15 * The test_and_*_bit operations are taken to imply a memory barrier
16 * on SMP systems.
17 */
18#ifdef CONFIG_SMP
19#define SMP_WMB "eieio\n"
20#define SMP_MB "\nsync"
21#else
22#define SMP_WMB
23#define SMP_MB
24#endif /* CONFIG_SMP */
25
26static __inline__ void set_bit(int nr, volatile unsigned long * addr)
27{
28 unsigned long old;
29 unsigned long mask = 1 << (nr & 0x1f);
30 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
31
32 __asm__ __volatile__("\n\
331: lwarx %0,0,%3 \n\
34 or %0,%0,%2 \n"
35 PPC405_ERR77(0,%3)
36" stwcx. %0,0,%3 \n\
37 bne- 1b"
38 : "=&r" (old), "=m" (*p)
39 : "r" (mask), "r" (p), "m" (*p)
40 : "cc" );
41}
42
43/*
44 * non-atomic version
45 */
46static __inline__ void __set_bit(int nr, volatile unsigned long *addr)
47{
48 unsigned long mask = 1 << (nr & 0x1f);
49 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
50
51 *p |= mask;
52}
53
54/*
55 * clear_bit doesn't imply a memory barrier
56 */
57#define smp_mb__before_clear_bit() smp_mb()
58#define smp_mb__after_clear_bit() smp_mb()
59
60static __inline__ void clear_bit(int nr, volatile unsigned long *addr)
61{
62 unsigned long old;
63 unsigned long mask = 1 << (nr & 0x1f);
64 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
65
66 __asm__ __volatile__("\n\
671: lwarx %0,0,%3 \n\
68 andc %0,%0,%2 \n"
69 PPC405_ERR77(0,%3)
70" stwcx. %0,0,%3 \n\
71 bne- 1b"
72 : "=&r" (old), "=m" (*p)
73 : "r" (mask), "r" (p), "m" (*p)
74 : "cc");
75}
76
77/*
78 * non-atomic version
79 */
80static __inline__ void __clear_bit(int nr, volatile unsigned long *addr)
81{
82 unsigned long mask = 1 << (nr & 0x1f);
83 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
84
85 *p &= ~mask;
86}
87
88static __inline__ void change_bit(int nr, volatile unsigned long *addr)
89{
90 unsigned long old;
91 unsigned long mask = 1 << (nr & 0x1f);
92 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
93
94 __asm__ __volatile__("\n\
951: lwarx %0,0,%3 \n\
96 xor %0,%0,%2 \n"
97 PPC405_ERR77(0,%3)
98" stwcx. %0,0,%3 \n\
99 bne- 1b"
100 : "=&r" (old), "=m" (*p)
101 : "r" (mask), "r" (p), "m" (*p)
102 : "cc");
103}
104
105/*
106 * non-atomic version
107 */
108static __inline__ void __change_bit(int nr, volatile unsigned long *addr)
109{
110 unsigned long mask = 1 << (nr & 0x1f);
111 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
112
113 *p ^= mask;
114}
115
116/*
117 * test_and_*_bit do imply a memory barrier (?)
118 */
119static __inline__ int test_and_set_bit(int nr, volatile unsigned long *addr)
120{
121 unsigned int old, t;
122 unsigned int mask = 1 << (nr & 0x1f);
123 volatile unsigned int *p = ((volatile unsigned int *)addr) + (nr >> 5);
124
125 __asm__ __volatile__(SMP_WMB "\n\
1261: lwarx %0,0,%4 \n\
127 or %1,%0,%3 \n"
128 PPC405_ERR77(0,%4)
129" stwcx. %1,0,%4 \n\
130 bne 1b"
131 SMP_MB
132 : "=&r" (old), "=&r" (t), "=m" (*p)
133 : "r" (mask), "r" (p), "m" (*p)
134 : "cc", "memory");
135
136 return (old & mask) != 0;
137}
138
139/*
140 * non-atomic version
141 */
142static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr)
143{
144 unsigned long mask = 1 << (nr & 0x1f);
145 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
146 unsigned long old = *p;
147
148 *p = old | mask;
149 return (old & mask) != 0;
150}
151
152static __inline__ int test_and_clear_bit(int nr, volatile unsigned long *addr)
153{
154 unsigned int old, t;
155 unsigned int mask = 1 << (nr & 0x1f);
156 volatile unsigned int *p = ((volatile unsigned int *)addr) + (nr >> 5);
157
158 __asm__ __volatile__(SMP_WMB "\n\
1591: lwarx %0,0,%4 \n\
160 andc %1,%0,%3 \n"
161 PPC405_ERR77(0,%4)
162" stwcx. %1,0,%4 \n\
163 bne 1b"
164 SMP_MB
165 : "=&r" (old), "=&r" (t), "=m" (*p)
166 : "r" (mask), "r" (p), "m" (*p)
167 : "cc", "memory");
168
169 return (old & mask) != 0;
170}
171
172/*
173 * non-atomic version
174 */
175static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long *addr)
176{
177 unsigned long mask = 1 << (nr & 0x1f);
178 unsigned long *p = ((unsigned long *)addr) + (nr >> 5);
179 unsigned long old = *p;
180
181 *p = old & ~mask;
182 return (old & mask) != 0;
183}
184