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Diffstat (limited to 'arch/sh/include/asm/spinlock.h')
-rw-r--r--arch/sh/include/asm/spinlock.h58
1 files changed, 29 insertions, 29 deletions
diff --git a/arch/sh/include/asm/spinlock.h b/arch/sh/include/asm/spinlock.h
index a28c9f0053fd..bdc0f3b6c56a 100644
--- a/arch/sh/include/asm/spinlock.h
+++ b/arch/sh/include/asm/spinlock.h
@@ -23,10 +23,10 @@
23 * Your basic SMP spinlocks, allowing only a single CPU anywhere 23 * Your basic SMP spinlocks, allowing only a single CPU anywhere
24 */ 24 */
25 25
26#define __raw_spin_is_locked(x) ((x)->lock <= 0) 26#define arch_spin_is_locked(x) ((x)->lock <= 0)
27#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) 27#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
28#define __raw_spin_unlock_wait(x) \ 28#define arch_spin_unlock_wait(x) \
29 do { while (__raw_spin_is_locked(x)) cpu_relax(); } while (0) 29 do { while (arch_spin_is_locked(x)) cpu_relax(); } while (0)
30 30
31/* 31/*
32 * Simple spin lock operations. There are two variants, one clears IRQ's 32 * Simple spin lock operations. There are two variants, one clears IRQ's
@@ -34,14 +34,14 @@
34 * 34 *
35 * We make no fairness assumptions. They have a cost. 35 * We make no fairness assumptions. They have a cost.
36 */ 36 */
37static inline void __raw_spin_lock(raw_spinlock_t *lock) 37static inline void arch_spin_lock(arch_spinlock_t *lock)
38{ 38{
39 unsigned long tmp; 39 unsigned long tmp;
40 unsigned long oldval; 40 unsigned long oldval;
41 41
42 __asm__ __volatile__ ( 42 __asm__ __volatile__ (
43 "1: \n\t" 43 "1: \n\t"
44 "movli.l @%2, %0 ! __raw_spin_lock \n\t" 44 "movli.l @%2, %0 ! arch_spin_lock \n\t"
45 "mov %0, %1 \n\t" 45 "mov %0, %1 \n\t"
46 "mov #0, %0 \n\t" 46 "mov #0, %0 \n\t"
47 "movco.l %0, @%2 \n\t" 47 "movco.l %0, @%2 \n\t"
@@ -54,12 +54,12 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
54 ); 54 );
55} 55}
56 56
57static inline void __raw_spin_unlock(raw_spinlock_t *lock) 57static inline void arch_spin_unlock(arch_spinlock_t *lock)
58{ 58{
59 unsigned long tmp; 59 unsigned long tmp;
60 60
61 __asm__ __volatile__ ( 61 __asm__ __volatile__ (
62 "mov #1, %0 ! __raw_spin_unlock \n\t" 62 "mov #1, %0 ! arch_spin_unlock \n\t"
63 "mov.l %0, @%1 \n\t" 63 "mov.l %0, @%1 \n\t"
64 : "=&z" (tmp) 64 : "=&z" (tmp)
65 : "r" (&lock->lock) 65 : "r" (&lock->lock)
@@ -67,13 +67,13 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
67 ); 67 );
68} 68}
69 69
70static inline int __raw_spin_trylock(raw_spinlock_t *lock) 70static inline int arch_spin_trylock(arch_spinlock_t *lock)
71{ 71{
72 unsigned long tmp, oldval; 72 unsigned long tmp, oldval;
73 73
74 __asm__ __volatile__ ( 74 __asm__ __volatile__ (
75 "1: \n\t" 75 "1: \n\t"
76 "movli.l @%2, %0 ! __raw_spin_trylock \n\t" 76 "movli.l @%2, %0 ! arch_spin_trylock \n\t"
77 "mov %0, %1 \n\t" 77 "mov %0, %1 \n\t"
78 "mov #0, %0 \n\t" 78 "mov #0, %0 \n\t"
79 "movco.l %0, @%2 \n\t" 79 "movco.l %0, @%2 \n\t"
@@ -100,21 +100,21 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
100 * read_can_lock - would read_trylock() succeed? 100 * read_can_lock - would read_trylock() succeed?
101 * @lock: the rwlock in question. 101 * @lock: the rwlock in question.
102 */ 102 */
103#define __raw_read_can_lock(x) ((x)->lock > 0) 103#define arch_read_can_lock(x) ((x)->lock > 0)
104 104
105/** 105/**
106 * write_can_lock - would write_trylock() succeed? 106 * write_can_lock - would write_trylock() succeed?
107 * @lock: the rwlock in question. 107 * @lock: the rwlock in question.
108 */ 108 */
109#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS) 109#define arch_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
110 110
111static inline void __raw_read_lock(raw_rwlock_t *rw) 111static inline void arch_read_lock(arch_rwlock_t *rw)
112{ 112{
113 unsigned long tmp; 113 unsigned long tmp;
114 114
115 __asm__ __volatile__ ( 115 __asm__ __volatile__ (
116 "1: \n\t" 116 "1: \n\t"
117 "movli.l @%1, %0 ! __raw_read_lock \n\t" 117 "movli.l @%1, %0 ! arch_read_lock \n\t"
118 "cmp/pl %0 \n\t" 118 "cmp/pl %0 \n\t"
119 "bf 1b \n\t" 119 "bf 1b \n\t"
120 "add #-1, %0 \n\t" 120 "add #-1, %0 \n\t"
@@ -126,13 +126,13 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
126 ); 126 );
127} 127}
128 128
129static inline void __raw_read_unlock(raw_rwlock_t *rw) 129static inline void arch_read_unlock(arch_rwlock_t *rw)
130{ 130{
131 unsigned long tmp; 131 unsigned long tmp;
132 132
133 __asm__ __volatile__ ( 133 __asm__ __volatile__ (
134 "1: \n\t" 134 "1: \n\t"
135 "movli.l @%1, %0 ! __raw_read_unlock \n\t" 135 "movli.l @%1, %0 ! arch_read_unlock \n\t"
136 "add #1, %0 \n\t" 136 "add #1, %0 \n\t"
137 "movco.l %0, @%1 \n\t" 137 "movco.l %0, @%1 \n\t"
138 "bf 1b \n\t" 138 "bf 1b \n\t"
@@ -142,13 +142,13 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
142 ); 142 );
143} 143}
144 144
145static inline void __raw_write_lock(raw_rwlock_t *rw) 145static inline void arch_write_lock(arch_rwlock_t *rw)
146{ 146{
147 unsigned long tmp; 147 unsigned long tmp;
148 148
149 __asm__ __volatile__ ( 149 __asm__ __volatile__ (
150 "1: \n\t" 150 "1: \n\t"
151 "movli.l @%1, %0 ! __raw_write_lock \n\t" 151 "movli.l @%1, %0 ! arch_write_lock \n\t"
152 "cmp/hs %2, %0 \n\t" 152 "cmp/hs %2, %0 \n\t"
153 "bf 1b \n\t" 153 "bf 1b \n\t"
154 "sub %2, %0 \n\t" 154 "sub %2, %0 \n\t"
@@ -160,23 +160,23 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
160 ); 160 );
161} 161}
162 162
163static inline void __raw_write_unlock(raw_rwlock_t *rw) 163static inline void arch_write_unlock(arch_rwlock_t *rw)
164{ 164{
165 __asm__ __volatile__ ( 165 __asm__ __volatile__ (
166 "mov.l %1, @%0 ! __raw_write_unlock \n\t" 166 "mov.l %1, @%0 ! arch_write_unlock \n\t"
167 : 167 :
168 : "r" (&rw->lock), "r" (RW_LOCK_BIAS) 168 : "r" (&rw->lock), "r" (RW_LOCK_BIAS)
169 : "t", "memory" 169 : "t", "memory"
170 ); 170 );
171} 171}
172 172
173static inline int __raw_read_trylock(raw_rwlock_t *rw) 173static inline int arch_read_trylock(arch_rwlock_t *rw)
174{ 174{
175 unsigned long tmp, oldval; 175 unsigned long tmp, oldval;
176 176
177 __asm__ __volatile__ ( 177 __asm__ __volatile__ (
178 "1: \n\t" 178 "1: \n\t"
179 "movli.l @%2, %0 ! __raw_read_trylock \n\t" 179 "movli.l @%2, %0 ! arch_read_trylock \n\t"
180 "mov %0, %1 \n\t" 180 "mov %0, %1 \n\t"
181 "cmp/pl %0 \n\t" 181 "cmp/pl %0 \n\t"
182 "bf 2f \n\t" 182 "bf 2f \n\t"
@@ -193,13 +193,13 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
193 return (oldval > 0); 193 return (oldval > 0);
194} 194}
195 195
196static inline int __raw_write_trylock(raw_rwlock_t *rw) 196static inline int arch_write_trylock(arch_rwlock_t *rw)
197{ 197{
198 unsigned long tmp, oldval; 198 unsigned long tmp, oldval;
199 199
200 __asm__ __volatile__ ( 200 __asm__ __volatile__ (
201 "1: \n\t" 201 "1: \n\t"
202 "movli.l @%2, %0 ! __raw_write_trylock \n\t" 202 "movli.l @%2, %0 ! arch_write_trylock \n\t"
203 "mov %0, %1 \n\t" 203 "mov %0, %1 \n\t"
204 "cmp/hs %3, %0 \n\t" 204 "cmp/hs %3, %0 \n\t"
205 "bf 2f \n\t" 205 "bf 2f \n\t"
@@ -216,11 +216,11 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
216 return (oldval > (RW_LOCK_BIAS - 1)); 216 return (oldval > (RW_LOCK_BIAS - 1));
217} 217}
218 218
219#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock) 219#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
220#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock) 220#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
221 221
222#define _raw_spin_relax(lock) cpu_relax() 222#define arch_spin_relax(lock) cpu_relax()
223#define _raw_read_relax(lock) cpu_relax() 223#define arch_read_relax(lock) cpu_relax()
224#define _raw_write_relax(lock) cpu_relax() 224#define arch_write_relax(lock) cpu_relax()
225 225
226#endif /* __ASM_SH_SPINLOCK_H */ 226#endif /* __ASM_SH_SPINLOCK_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 03:22:25 -0500