| 1 | #ifndef ARCH_X86_64_h |
| 2 | #define ARCH_X86_64_h |
| 3 | |
| 4 | #include "arch-x86-common.h" |
| 5 | |
| 6 | #define FIO_ARCH (arch_x86_64) |
| 7 | |
| 8 | #ifndef __NR_ioprio_set |
| 9 | #define __NR_ioprio_set 251 |
| 10 | #define __NR_ioprio_get 252 |
| 11 | #endif |
| 12 | |
| 13 | #ifndef __NR_fadvise64 |
| 14 | #define __NR_fadvise64 221 |
| 15 | #endif |
| 16 | |
| 17 | #ifndef __NR_sys_splice |
| 18 | #define __NR_sys_splice 275 |
| 19 | #define __NR_sys_tee 276 |
| 20 | #define __NR_sys_vmsplice 278 |
| 21 | #endif |
| 22 | |
| 23 | #define FIO_HUGE_PAGE 2097152 |
| 24 | |
| 25 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
| 26 | #define read_barrier() __asm__ __volatile__("lfence":::"memory") |
| 27 | #define write_barrier() __asm__ __volatile__("sfence":::"memory") |
| 28 | |
| 29 | static inline unsigned long arch_ffz(unsigned long bitmask) |
| 30 | { |
| 31 | __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask)); |
| 32 | return bitmask; |
| 33 | } |
| 34 | |
| 35 | static inline unsigned long long get_cpu_clock(void) |
| 36 | { |
| 37 | unsigned int lo, hi; |
| 38 | |
| 39 | __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi)); |
| 40 | return ((unsigned long long) hi << 32ULL) | lo; |
| 41 | } |
| 42 | |
| 43 | #define ARCH_HAVE_FFZ |
| 44 | #define ARCH_HAVE_SSE4_2 |
| 45 | #define ARCH_HAVE_CPU_CLOCK |
| 46 | |
| 47 | #endif |