1#ifndef ARCH_X86_64_h 2#define ARCH_X86_64_h 3 4static inline void do_cpuid(unsigned int *eax, unsigned int *ebx, 5 unsigned int *ecx, unsigned int *edx) 6{ 7 asm volatile("cpuid" 8 : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) 9 : "0" (*eax), "2" (*ecx) 10 : "memory"); 11} 12 13#include "arch-x86-common.h" 14 15#define FIO_ARCH (arch_x86_64) 16 17#ifndef __NR_ioprio_set 18#define __NR_ioprio_set 251 19#define __NR_ioprio_get 252 20#endif 21 22#ifndef __NR_fadvise64 23#define __NR_fadvise64 221 24#endif 25 26#ifndef __NR_sys_splice 27#define __NR_sys_splice 275 28#define __NR_sys_tee 276 29#define __NR_sys_vmsplice 278 30#endif 31 32#ifndef __NR_shmget 33#define __NR_shmget 29 34#define __NR_shmat 30 35#define __NR_shmctl 31 36#define __NR_shmdt 67 37#endif 38 39#define FIO_HUGE_PAGE 2097152 40 41#define nop __asm__ __volatile__("rep;nop": : :"memory") 42#define read_barrier() __asm__ __volatile__("lfence":::"memory") 43#define write_barrier() __asm__ __volatile__("sfence":::"memory") 44 45static inline unsigned long arch_ffz(unsigned long bitmask) 46{ 47 __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask)); 48 return bitmask; 49} 50 51static inline unsigned long long get_cpu_clock(void) 52{ 53 unsigned int lo, hi; 54 55 __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi)); 56 return ((unsigned long long) hi << 32ULL) | lo; 57} 58 59#define ARCH_HAVE_FFZ 60#define ARCH_HAVE_SSE4_2 61#define ARCH_HAVE_CPU_CLOCK 62 63#endif 64