| 1 | #ifndef ARCH_PPC_H |
| 2 | #define ARCH_PPH_H |
| 3 | |
| 4 | #define ARCH (arch_ppc) |
| 5 | |
| 6 | #ifndef __NR_ioprio_set |
| 7 | #define __NR_ioprio_set 273 |
| 8 | #define __NR_ioprio_get 274 |
| 9 | #endif |
| 10 | |
| 11 | #ifndef __NR_fadvise64 |
| 12 | #define __NR_fadvise64 233 |
| 13 | #endif |
| 14 | |
| 15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 283 |
| 17 | #define __NR_sys_tee 284 |
| 18 | #define __NR_sys_vmsplice 285 |
| 19 | #endif |
| 20 | |
| 21 | #define nop do { } while (0) |
| 22 | |
| 23 | #ifdef __powerpc64__ |
| 24 | #define read_barrier() \ |
| 25 | __asm__ __volatile__ ("lwsync" : : : "memory") |
| 26 | #else |
| 27 | #define read_barrier() \ |
| 28 | __asm__ __volatile__ ("sync" : : : "memory") |
| 29 | #endif |
| 30 | |
| 31 | #endif |