diff options
Diffstat (limited to 'core/cortex-m/atomic.h')
| -rw-r--r-- | core/cortex-m/atomic.h | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/core/cortex-m/atomic.h b/core/cortex-m/atomic.h index 9e214a41a2..489db51357 100644 --- a/core/cortex-m/atomic.h +++ b/core/cortex-m/atomic.h @@ -18,17 +18,17 @@ * you must either clear explicitly the exclusive monitor (using clrex) * or do it in exception context (which clears the monitor). */ -#define ATOMIC_OP(asm_op,a,v) do { \ +#define ATOMIC_OP(asm_op, a, v) do { \ uint32_t reg0, reg1; \ - \ + \ __asm__ __volatile__("1: ldrex %0, [%2]\n" \ - #asm_op" %0, %0, %3\n" \ - " strex %1, %0, [%2]\n" \ - " teq %1, #0\n" \ - " bne 1b" \ - : "=&r" (reg0), "=&r" (reg1) \ - : "r" (a), "r" (v) : "cc"); \ -} while (0); + #asm_op" %0, %0, %3\n" \ + " strex %1, %0, [%2]\n" \ + " teq %1, #0\n" \ + " bne 1b" \ + : "=&r" (reg0), "=&r" (reg1) \ + : "r" (a), "r" (v) : "cc"); \ +} while (0) static inline void atomic_clear(uint32_t *addr, uint32_t bits) { @@ -55,12 +55,12 @@ static inline uint32_t atomic_read_clear(uint32_t *addr) uint32_t ret, tmp; __asm__ __volatile__(" mov %3, #0\n" - "1: ldrex %0, [%2]\n" - " strex %1, %3, [%2]\n" - " teq %1, #0\n" - " bne 1b" - : "=&r" (ret), "=&r" (tmp) - : "r" (addr), "r" (0) : "cc"); + "1: ldrex %0, [%2]\n" + " strex %1, %3, [%2]\n" + " teq %1, #0\n" + " bne 1b" + : "=&r" (ret), "=&r" (tmp) + : "r" (addr), "r" (0) : "cc"); return ret; } |