diff options
Diffstat (limited to 'include/asm-arm/proc-armv/locks.h')
| -rw-r--r-- | include/asm-arm/proc-armv/locks.h | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/include/asm-arm/proc-armv/locks.h b/include/asm-arm/proc-armv/locks.h index c1cfded3e..0a0391fae 100644 --- a/include/asm-arm/proc-armv/locks.h +++ b/include/asm-arm/proc-armv/locks.h @@ -12,18 +12,18 @@ ({ \ __asm__ __volatile__( \ "@ down_op\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%0]\n" \ " subs lr, lr, %1\n" \ " str lr, [%0]\n" \ -" msr cpsr_c, r0\n" \ -" movmi r0, %0\n" \ +" msr cpsr_c, ip\n" \ +" movmi ip, %0\n" \ " blmi " SYMBOL_NAME_STR(fail) \ : \ : "r" (ptr), "I" (1) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ }) #define __down_op_ret(ptr,fail) \ @@ -31,20 +31,20 @@ unsigned int ret; \ __asm__ __volatile__( \ "@ down_op_ret\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%1]\n" \ " subs lr, lr, %2\n" \ " str lr, [%1]\n" \ -" msr cpsr_c, r0\n" \ -" movmi r0, %1\n" \ -" movpl r0, #0\n" \ +" msr cpsr_c, ip\n" \ +" movmi ip, %1\n" \ +" movpl ip, #0\n" \ " blmi " SYMBOL_NAME_STR(fail) "\n" \ -" mov %0, r0" \ +" mov %0, ip" \ : "=&r" (ret) \ : "r" (ptr), "I" (1) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ ret; \ }) @@ -52,18 +52,18 @@ ({ \ __asm__ __volatile__( \ "@ up_op\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%0]\n" \ " adds lr, lr, %1\n" \ " str lr, [%0]\n" \ -" msr cpsr_c, r0\n" \ -" movle r0, %0\n" \ +" msr cpsr_c, ip\n" \ +" movle ip, %0\n" \ " blle " SYMBOL_NAME_STR(wake) \ : \ : "r" (ptr), "I" (1) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ }) /* @@ -78,36 +78,36 @@ ({ \ __asm__ __volatile__( \ "@ down_op_write\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%0]\n" \ " subs lr, lr, %1\n" \ " str lr, [%0]\n" \ -" msr cpsr_c, r0\n" \ -" movne r0, %0\n" \ +" msr cpsr_c, ip\n" \ +" movne ip, %0\n" \ " blne " SYMBOL_NAME_STR(fail) \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ }) #define __up_op_write(ptr,wake) \ ({ \ __asm__ __volatile__( \ "@ up_op_read\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%0]\n" \ " adds lr, lr, %1\n" \ " str lr, [%0]\n" \ -" msr cpsr_c, r0\n" \ -" movcs r0, %0\n" \ +" msr cpsr_c, ip\n" \ +" movcs ip, %0\n" \ " blcs " SYMBOL_NAME_STR(wake) \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ }) #define __down_op_read(ptr,fail) \ @@ -117,18 +117,18 @@ ({ \ __asm__ __volatile__( \ "@ up_op_read\n" \ -" mrs r0, cpsr\n" \ -" orr lr, r0, #128\n" \ +" mrs ip, cpsr\n" \ +" orr lr, ip, #128\n" \ " msr cpsr_c, lr\n" \ " ldr lr, [%0]\n" \ " adds lr, lr, %1\n" \ " str lr, [%0]\n" \ -" msr cpsr_c, r0\n" \ -" moveq r0, %0\n" \ +" msr cpsr_c, ip\n" \ +" moveq ip, %0\n" \ " bleq " SYMBOL_NAME_STR(wake) \ : \ : "r" (ptr), "I" (1) \ - : "r0", "lr", "cc"); \ + : "ip", "lr", "cc"); \ }) #endif |