diff options
Diffstat (limited to 'arch/xtensa/include/asm/atomic.h')
| -rw-r--r-- | arch/xtensa/include/asm/atomic.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index 4361fe4247e3..52da614f953c 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -25,15 +25,15 @@ * * Locking interrupts looks like this: * - * rsil a15, TOPLEVEL + * rsil a14, TOPLEVEL * <code> - * wsr a15, PS + * wsr a14, PS * rsync * - * Note that a15 is used here because the register allocation + * Note that a14 is used here because the register allocation * done by the compiler is not guaranteed and a window overflow * may not occur between the rsil and wsr instructions. By using - * a15 in the rsil, the machine is guaranteed to be in a state + * a14 in the rsil, the machine is guaranteed to be in a state * where no register reference will cause an overflow. */ @@ -185,15 +185,15 @@ static inline void arch_atomic_##op(int i, atomic_t * v) \ unsigned int vval; \ \ __asm__ __volatile__( \ - " rsil a15, "__stringify(TOPLEVEL)"\n" \ + " rsil a14, "__stringify(TOPLEVEL)"\n" \ " l32i %[result], %[mem]\n" \ " " #op " %[result], %[result], %[i]\n" \ " s32i %[result], %[mem]\n" \ - " wsr a15, ps\n" \ + " wsr a14, ps\n" \ " rsync\n" \ : [result] "=&a" (vval), [mem] "+m" (*v) \ : [i] "a" (i) \ - : "a15", "memory" \ + : "a14", "memory" \ ); \ } \ @@ -203,15 +203,15 @@ static inline int arch_atomic_##op##_return(int i, atomic_t * v) \ unsigned int vval; \ \ __asm__ __volatile__( \ - " rsil a15,"__stringify(TOPLEVEL)"\n" \ + " rsil a14,"__stringify(TOPLEVEL)"\n" \ " l32i %[result], %[mem]\n" \ " " #op " %[result], %[result], %[i]\n" \ " s32i %[result], %[mem]\n" \ - " wsr a15, ps\n" \ + " wsr a14, ps\n" \ " rsync\n" \ : [result] "=&a" (vval), [mem] "+m" (*v) \ : [i] "a" (i) \ - : "a15", "memory" \ + : "a14", "memory" \ ); \ \ return vval; \ @@ -223,16 +223,16 @@ static inline int arch_atomic_fetch_##op(int i, atomic_t * v) \ unsigned int tmp, vval; \ \ __asm__ __volatile__( \ - " rsil a15,"__stringify(TOPLEVEL)"\n" \ + " rsil a14,"__stringify(TOPLEVEL)"\n" \ " l32i %[result], %[mem]\n" \ " " #op " %[tmp], %[result], %[i]\n" \ " s32i %[tmp], %[mem]\n" \ - " wsr a15, ps\n" \ + " wsr a14, ps\n" \ " rsync\n" \ : [result] "=&a" (vval), [tmp] "=&a" (tmp), \ [mem] "+m" (*v) \ : [i] "a" (i) \ - : "a15", "memory" \ + : "a14", "memory" \ ); \ \ return vval; \ |