| /branches/network/kernel/arch/mips32/include/atomic.h |
|---|
| 70,6 → 70,24 |
| return v; |
| } |
| static inline uint32_t test_and_set(atomic_t *val) { |
| uint32_t tmp, v; |
| asm volatile ( |
| "1:\n" |
| " ll %2, %1\n" |
| " bnez %2, 2f\n" |
| " li %0, %3\n" |
| " sc %0, %1\n" |
| " beqz %0, 1b\n" |
| "2:\n" |
| : "=&r" (tmp), "+m" (val->count), "=&r" (v) |
| : "i" (1) |
| ); |
| return v; |
| } |
| #endif |
| /** @} |