| #ifndef ARCH_ARM_H |
| #define ARCH_ARM_H |
| |
| #define ARCH (arch_arm) |
| |
| #ifndef __NR_ioprio_set |
| #define __NR_ioprio_set 314 |
| #define __NR_ioprio_get 315 |
| #endif |
| |
| #ifndef __NR_fadvise64 |
| #define __NR_fadvise64 270 |
| #endif |
| |
| #ifndef __NR_sys_splice |
| #define __NR_sys_splice 340 |
| #define __NR_sys_tee 342 |
| #define __NR_sys_vmsplice 343 |
| #endif |
| |
| #if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) || defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) |
| #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__) |
| #define nop __asm__ __volatile__ ("nop") |
| #define read_barrier() __sync_synchronize() |
| #define write_barrier() __sync_synchronize() |
| #endif |
| |
| #endif |