| 30,7 → 30,6 |
|---|
| #define __mips32_ATOMIC_H__ |
| |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| #define atomic_inc(x) ((void) atomic_add(x, 1)) |
| #define atomic_dec(x) ((void) atomic_add(x, -1)) |
| 41,6 → 40,8 |
|---|
| #define atomic_preinc(x) atomic_add(x, 1) |
| #define atomic_predec(x) atomic_add(x, -1) |
| |
| typedef struct { volatile __u32 count; } atomic_t; |
| |
| /* Atomic addition of immediate value. |
| * |
| * @param val Memory location to which will be the immediate value added. |
| 48,9 → 49,9 |
|---|
| * |
| * @return Value after addition. |
| */ |
| static inline long atomic_add(atomic_t *val, int i) |
| static inline count_t atomic_add(atomic_t *val, int i) |
| { |
| long tmp, v; |
| count_t tmp, v; |
| |
| __asm__ volatile ( |
| "1:\n" |
| 67,4 → 68,16 |
|---|
| 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 |