| 31,7 → 31,7 |
|---|
| |
| #include <arch/types.h> |
| |
| typedef volatile __u64 atomic_t; |
| typedef struct { volatile __u64 count; } atomic_t; |
| |
| static inline atomic_t atomic_add(atomic_t *val, int imm) |
| { |
| 38,11 → 38,21 |
|---|
| atomic_t v; |
| |
| |
| __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)); |
| |
| return v; |
| } |
| |
| static inline void atomic_set(atomic_t *val, __u64 i) |
| { |
| val->count = i; |
| } |
| |
| static inline __u32 atomic_get(atomic_t *val) |
| { |
| return val->count; |
| } |
| |
| static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); } |
| static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); } |
| |