| 29,9 → 29,13 |
|---|
| #ifndef __mips32_ATOMIC_H__ |
| #define __mips32_ATOMIC_H__ |
| |
| #include <arch/types.h> |
| |
| #define atomic_inc(x) (a_add(x,1)) |
| #define atomic_dec(x) (a_sub(x,1)) |
| |
| typedef volatile __u32 atomic_t; |
| |
| /* |
| * Atomic addition |
| * |
| 41,9 → 45,9 |
|---|
| * of the variable to a special register and if another process writes to |
| * the same location, the SC (store-conditional) instruction fails. |
| */ |
| static inline int a_add( volatile int *val, int i) |
| static inline atomic_t a_add(atomic_t *val, int i) |
| { |
| int tmp, tmp2; |
| atomic_t tmp, tmp2; |
| |
| asm volatile ( |
| " .set push\n" |
| 69,10 → 73,10 |
|---|
| * |
| * Implemented in the same manner as a_add, except we substract the value. |
| */ |
| static inline int a_sub( volatile int *val, int i) |
| static inline atomic_t a_sub(atomic_t *val, int i) |
| |
| { |
| int tmp, tmp2; |
| atomic_t tmp, tmp2; |
| |
| asm volatile ( |
| " .set push\n" |