Searched refs:__up_op_write (Results 1 - 1 of 1) sorted by relevance
| /bionic/libc/kernel/arch-arm/asm/ |
| H A D | locks.h | 28 #define __up_op_write(ptr,wake) ({ smp_mb(); __asm__ __volatile__( "@ up_op_write\n" "1: ldrex lr, [%0]\n" " adds lr, lr, %1\n" " strex ip, lr, [%0]\n" " teq ip, #0\n" " bne 1b\n" " movcs ip, %0\n" " blcs " #wake : : "r" (ptr), "I" (RW_LOCK_BIAS) : "ip", "lr", "cc"); }) macro
47 #define __up_op_write(ptr,wake) ({ __asm__ __volatile__( "@ up_op_write\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, ip\n" " movcs ip, %0\n" " blcs " #wake : : "r" (ptr), "I" (RW_LOCK_BIAS) : "ip", "lr", "cc"); smp_mb(); }) macro
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