31,7 → 31,7 |
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#include <arch/types.h> |
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typedef volatile __u64 atomic_t; |
typedef struct { volatile __u64 count; } atomic_t; |
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static inline atomic_t atomic_add(atomic_t *val, int imm) |
{ |
38,11 → 38,21 |
atomic_t v; |
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__asm__ volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), "+m" (*val) : "i" (imm)); |
__asm__ volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), "+m" (val->count) : "i" (imm)); |
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return v; |
} |
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static inline void atomic_set(atomic_t *val, __u64 i) |
{ |
val->count = i; |
} |
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static inline __u32 atomic_get(atomic_t *val) |
{ |
return val->count; |
} |
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static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); } |
static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); } |
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