arch-x86.h revision a415b2ccee389e27a2d5c8cdb28de9dbd65cea57 
1#ifndef ARCH_X86_H
2#define ARCH_X86_H
3
4#include "arch-x86-common.h"
5
6#define FIO_ARCH	(arch_i386)
7
8#ifndef __NR_ioprio_set
9#define __NR_ioprio_set		289
10#define __NR_ioprio_get		290
11#endif
12
13#ifndef __NR_fadvise64
14#define __NR_fadvise64		250
15#endif
16
17#ifndef __NR_sys_splice
18#define __NR_sys_splice		313
19#define __NR_sys_tee		315
20#define __NR_sys_vmsplice	316
21#endif
22
23#ifndef __NR_shmget
24#define __NR_shmget 29
25#define __NR_shmat 30
26#define __NR_shmctl 31
27#endif
28
29#define	FIO_HUGE_PAGE		4194304
30
31#define nop		__asm__ __volatile__("rep;nop": : :"memory")
32#define read_barrier()	__asm__ __volatile__("": : :"memory")
33#define write_barrier()	__asm__ __volatile__("": : :"memory")
34
35static inline unsigned long arch_ffz(unsigned long bitmask)
36{
37	__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
38	return bitmask;
39}
40
41static inline unsigned long long get_cpu_clock(void)
42{
43	unsigned long long ret;
44
45	__asm__ __volatile__("rdtsc" : "=A" (ret));
46	return ret;
47}
48
49#define ARCH_HAVE_FFZ
50#define ARCH_HAVE_CPU_CLOCK
51
52#endif
53