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Jens Axboeebac4652005-12-08 15:25:21 +01001#ifndef ARCH_X86_H
2#define ARCH_X86_H
3
Jens Axboefa80fea2012-12-09 20:29:00 +01004#include "arch-x86-common.h"
5
Jens Axboecca84642011-10-07 12:47:57 +02006#define FIO_ARCH (arch_i386)
Jens Axboeebac4652005-12-08 15:25:21 +01007
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
Jens Axboe8756e4d2006-05-27 20:24:53 +020017#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
Jens Axboecb25df62007-03-23 08:23:30 +010023#define FIO_HUGE_PAGE 4194304
24
Jens Axboedb6defc2007-12-11 08:55:53 +010025#define nop __asm__ __volatile__("rep;nop": : :"memory")
Jens Axboe44c47fe2008-06-04 14:31:25 +020026#define read_barrier() __asm__ __volatile__("": : :"memory")
27#define write_barrier() __asm__ __volatile__("": : :"memory")
Jens Axboeebac4652005-12-08 15:25:21 +010028
Jens Axboe8f7e39d2008-06-01 19:45:10 +020029static inline unsigned long arch_ffz(unsigned long bitmask)
30{
31 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
32 return bitmask;
33}
Jens Axboec223da82010-03-24 13:23:53 +010034
35static inline unsigned long long get_cpu_clock(void)
36{
Jens Axboe6eb9d1b2013-02-21 12:39:42 +010037 unsigned long long ret;
Jens Axboec223da82010-03-24 13:23:53 +010038
39 __asm__ __volatile__("rdtsc" : "=A" (ret));
40 return ret;
41}
42
Jens Axboe8f7e39d2008-06-01 19:45:10 +020043#define ARCH_HAVE_FFZ
Jens Axboec223da82010-03-24 13:23:53 +010044#define ARCH_HAVE_CPU_CLOCK
Jens Axboe8f7e39d2008-06-01 19:45:10 +020045
Jens Axboeebac4652005-12-08 15:25:21 +010046#endif