| #ifndef ARCH_ARM_H |
| #define ARCH_ARM_H |
| |
| #define FIO_ARCH (arch_arm) |
| |
| #if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) \ |
| || defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__)\ |
| || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \ |
| || defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \ |
| || defined(__ARM_ARCH_6KZ__) |
| #define nop __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t") |
| #define read_barrier() __asm__ __volatile__ ("" : : : "memory") |
| #define write_barrier() __asm__ __volatile__ ("" : : : "memory") |
| #elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_8A__) |
| #define nop __asm__ __volatile__ ("nop") |
| #define read_barrier() __sync_synchronize() |
| #define write_barrier() __sync_synchronize() |
| #else |
| #error "unsupported ARM architecture" |
| #endif |
| |
| #endif |
