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