| 41,7 → 41,7 |
|---|
| #define atomic_dec_post(x) atomic_add(x, -1) |
| |
| |
| typedef volatile __u32 atomic_t; |
| typedef struct { volatile __u32 count; } atomic_t; |
| |
| /* Atomic addition of immediate value. |
| * |
| 62,7 → 62,7 |
|---|
| " sc %0, %1\n" |
| " beq %0, %4, 1b\n" /* if the atomic operation failed, try again */ |
| /* nop */ /* nop is inserted automatically by compiler */ |
| : "=r" (tmp), "=m" (*val), "=r" (v) |
| : "=r" (tmp), "=m" (val->count), "=r" (v) |
| : "i" (i), "i" (0) |
| ); |
| |
| 69,5 → 69,16 |
|---|
| return v; |
| } |
| |
| /* Reads/writes are atomic on mips for 4-bytes */ |
| |
| static inline void atomic_set(atomic_t *val, __u32 i) |
| { |
| val->count = i; |
| } |
| |
| static inline __u32 atomic_get(atomic_t *val) |
| { |
| return val->count; |
| } |
| |
| #endif |