blob: d7ea12e0d0723d6e8c8d9d9671cc3ab151d5645b [file] [log] [blame]
#ifndef ARCH_X86_64_h
#define ARCH_X86_64_h
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
asm volatile("cpuid"
: "=a" (*eax), "=b" (*ebx), "=r" (*ecx), "=d" (*edx)
: "0" (*eax), "2" (*ecx)
: "memory");
}
#include "arch-x86-common.h"
#define FIO_ARCH (arch_x86_64)
#ifndef __NR_ioprio_set
#define __NR_ioprio_set 251
#define __NR_ioprio_get 252
#endif
#ifndef __NR_fadvise64
#define __NR_fadvise64 221
#endif
#ifndef __NR_sys_splice
#define __NR_sys_splice 275
#define __NR_sys_tee 276
#define __NR_sys_vmsplice 278
#endif
#ifndef __NR_shmget
#define __NR_shmget 29
#define __NR_shmat 30
#define __NR_shmctl 31
#define __NR_shmdt 67
#endif
#define FIO_HUGE_PAGE 2097152
#define nop __asm__ __volatile__("rep;nop": : :"memory")
#define read_barrier() __asm__ __volatile__("lfence":::"memory")
#define write_barrier() __asm__ __volatile__("sfence":::"memory")
static inline unsigned long arch_ffz(unsigned long bitmask)
{
__asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask));
return bitmask;
}
static inline unsigned long long get_cpu_clock(void)
{
unsigned int lo, hi;
__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
return ((unsigned long long) hi << 32ULL) | lo;
}
#define ARCH_HAVE_FFZ
#define ARCH_HAVE_SSE4_2
#define ARCH_HAVE_CPU_CLOCK
#endif