projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
1 | #ifndef ARCH_IA64_H |
| 2 | #define ARCH_IA64_H | |
| 3 | ||
| 4 | #define ARCH (arch_ia64) | |
| 5 | ||
| 6 | #ifndef __NR_ioprio_set | |
| 7 | #define __NR_ioprio_set 1274 | |
| 8 | #define __NR_ioprio_get 1275 | |
| 9 | #endif | |
| 10 | ||
| 11 | #ifndef __NR_fadvise64 | |
| 12 | #define __NR_fadvise64 1234 | |
| 13 | #endif | |
| 14 | ||
| 8756e4d4 JA |
15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 1297 | |
| 17 | #define __NR_sys_tee 1301 | |
| 18 | #define __NR_sys_vmsplice 1302 | |
| 19 | #endif | |
| 20 | ||
| db6defc7 JA |
21 | #define nop asm volatile ("hint @pause" ::: "memory"); |
| 22 | #define read_barrier() asm volatile ("mf" ::: "memory") | |
| 783500ad | 23 | #define write_barrier() asm volatile ("mf" ::: "memory") |
| ebac4655 | 24 | |
| 8f7e39dd JA |
25 | #define ia64_popcnt(x) \ |
| 26 | ({ \ | |
| 27 | unsigned long ia64_intri_res; \ | |
| 28 | asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \ | |
| 29 | ia64_intri_res; \ | |
| 30 | }) | |
| 31 | ||
| 32 | static inline unsigned long arch_ffz(unsigned long bitmask) | |
| 33 | { | |
| 34 | return ia64_popcnt(bitmask & (~bitmask - 1)); | |
| 35 | } | |
| 36 | #define ARCH_HAVE_FFZ | |
| 37 | ||
| ebac4655 | 38 | #endif |