arch-x86.h revision fa80feae51331fb170e784459fa1359d7ec3a963 
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_async_exec
24#define __NR_async_exec		325
25#define __NR_async_wait		326
26#define __NR_umem_add		327
27#define __NR_async_thread	328
28#endif
29
30#define	FIO_HUGE_PAGE		4194304
31
32#define FIO_HAVE_SYSLET
33
34#define nop		__asm__ __volatile__("rep;nop": : :"memory")
35#define read_barrier()	__asm__ __volatile__("": : :"memory")
36#define write_barrier()	__asm__ __volatile__("": : :"memory")
37
38static inline unsigned long arch_ffz(unsigned long bitmask)
39{
40	__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
41	return bitmask;
42}
43
44static inline unsigned long long get_cpu_clock(void)
45{
46	unsigned long ret;
47
48	__asm__ __volatile__("rdtsc" : "=A" (ret));
49	return ret;
50}
51
52#define ARCH_HAVE_FFZ
53#define ARCH_HAVE_CPU_CLOCK
54
55#endif
56