| 33,11 → 33,17 |
|---|
| |
| typedef struct { volatile __u64 count; } atomic_t; |
| |
| static inline atomic_t atomic_add(atomic_t *val, int imm) |
| /** Atomic addition. |
| * |
| * @param val Atomic value. |
| * @param imm Value to add. |
| * |
| * @return Value after addition. |
| */ |
| static inline count_t atomic_add(atomic_t *val, int imm) |
| { |
| atomic_t v; |
| count_t v; |
| |
| |
| __asm__ volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), "+m" (val->count) : "i" (imm)); |
| |
| return v; |
| 56,12 → 62,10 |
|---|
| static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); } |
| static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); } |
| |
| static inline count_t atomic_inc_pre(atomic_t *val) { return atomic_add(val, 1); } |
| static inline count_t atomic_dec_pre(atomic_t *val) { return atomic_add(val, -1); } |
| |
| static inline atomic_t atomic_inc_pre(atomic_t *val) { return atomic_add(val, 1); } |
| static inline atomic_t atomic_dec_pre(atomic_t *val) { return atomic_add(val, -1); } |
| static inline count_t atomic_inc_post(atomic_t *val) { return atomic_add(val, 1) + 1; } |
| static inline count_t atomic_dec_post(atomic_t *val) { return atomic_add(val, -1) - 1; } |
| |
| |
| static inline atomic_t atomic_inc_post(atomic_t *val) { return atomic_add(val, 1) + 1; } |
| static inline atomic_t atomic_dec_post(atomic_t *val) { return atomic_add(val, -1) - 1; } |
| |
| #endif |