projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
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 | ||
| 8756e4d4 JA |
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 | ||
| ebac4655 JA |
21 | #define nop do { } while (0) |
| 22 | ||
| db6defc7 JA |
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 | ||
| ebac4655 JA |
31 | static inline int __ilog2(unsigned long bitmask) |
| 32 | { | |
| 33 | int lz; | |
| 34 | ||
| 35 | asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask)); | |
| 36 | return 31 - lz; | |
| 37 | } | |
| 38 | ||
| b12ebc65 | 39 | static inline int fio_ffz(unsigned long bitmask) |
| ebac4655 JA |
40 | { |
| 41 | if ((bitmask = ~bitmask) == 0) | |
| 42 | return 32; | |
| 43 | return __ilog2(bitmask & -bitmask); | |
| 44 | } | |
| 45 | ||
| 46 | #endif |