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| 29 | #ifndef __ppc32_ATOMIC_H__ |
29 | #ifndef __ppc32_ATOMIC_H__ |
| 30 | #define __ppc32_ATOMIC_H__ |
30 | #define __ppc32_ATOMIC_H__ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| 33 | - | ||
| 34 | typedef struct { volatile __u32 count; } atomic_t; |
33 | #include <typedefs.h> |
| 35 | 34 | ||
| 36 | static inline void atomic_inc(atomic_t *val) |
35 | static inline void atomic_inc(atomic_t *val) |
| 37 | { |
36 | { |
| 38 | __u32 tmp; |
37 | __u32 tmp; |
| 39 | 38 | ||
| Line 61... | Line 60... | ||
| 61 | : "=&r" (tmp), "=m" (val->count) |
60 | : "=&r" (tmp), "=m" (val->count) |
| 62 | : "r" (&val->count), "m" (val->count) |
61 | : "r" (&val->count), "m" (val->count) |
| 63 | : "cc"); |
62 | : "cc"); |
| 64 | } |
63 | } |
| 65 | 64 | ||
| 66 | static inline __u32 atomic_postinc(atomic_t *val) |
65 | static inline long atomic_postinc(atomic_t *val) |
| 67 | { |
66 | { |
| 68 | atomic_inc(val); |
67 | atomic_inc(val); |
| 69 | return val->count - 1; |
68 | return val->count - 1; |
| 70 | } |
69 | } |
| 71 | 70 | ||
| 72 | static inline __u32 atomic_postdec(atomic_t *val) |
71 | static inline long atomic_postdec(atomic_t *val) |
| 73 | { |
72 | { |
| 74 | atomic_dec(val); |
73 | atomic_dec(val); |
| 75 | return val->count + 1; |
74 | return val->count + 1; |
| 76 | } |
75 | } |
| 77 | 76 | ||
| 78 | static inline __u32 atomic_preinc(atomic_t *val) |
77 | static inline long atomic_preinc(atomic_t *val) |
| 79 | { |
78 | { |
| 80 | atomic_inc(val); |
79 | atomic_inc(val); |
| 81 | return val->count; |
80 | return val->count; |
| 82 | } |
81 | } |
| 83 | 82 | ||
| 84 | static inline __u32 atomic_predec(atomic_t *val) |
83 | static inline long atomic_predec(atomic_t *val) |
| 85 | { |
84 | { |
| 86 | atomic_dec(val); |
85 | atomic_dec(val); |
| 87 | return val->count; |
86 | return val->count; |
| 88 | } |
87 | } |
| 89 | 88 | ||
| 90 | static inline void atomic_set(atomic_t *val, __u32 i) |
- | |
| 91 | { |
- | |
| 92 | val->count = i; |
- | |
| 93 | } |
- | |
| 94 | - | ||
| 95 | static inline __u32 atomic_get(atomic_t *val) |
- | |
| 96 | { |
- | |
| 97 | return val->count; |
- | |
| 98 | } |
- | |
| 99 | - | ||
| 100 | #endif |
89 | #endif |