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Jens Axboeebac4652005-12-08 15:25:21 +01001#ifndef ARCH_X86_H
2#define ARCH_X86_H
3
4#define ARCH (arch_i386)
5
6#ifndef __NR_ioprio_set
7#define __NR_ioprio_set 289
8#define __NR_ioprio_get 290
9#endif
10
11#ifndef __NR_fadvise64
12#define __NR_fadvise64 250
13#endif
14
Jens Axboe8756e4d2006-05-27 20:24:53 +020015#ifndef __NR_sys_splice
16#define __NR_sys_splice 313
17#define __NR_sys_tee 315
18#define __NR_sys_vmsplice 316
19#endif
20
Ingo Molnarbf0dc8f2007-02-21 23:25:44 +010021#ifndef __NR_async_exec
Zach Brown36ddbc02007-09-19 08:42:16 +020022#define __NR_async_exec 325
23#define __NR_async_wait 326
24#define __NR_umem_add 327
25#define __NR_async_thread 328
Jens Axboea4f4fdd2007-02-14 01:16:39 +010026#endif
27
Jens Axboecb25df62007-03-23 08:23:30 +010028#define FIO_HUGE_PAGE 4194304
29
Jens Axboe4667c192007-02-28 08:54:37 +010030#define FIO_HAVE_SYSLET
31
Jens Axboedb6defc2007-12-11 08:55:53 +010032#define nop __asm__ __volatile__("rep;nop": : :"memory")
Jens Axboe44c47fe2008-06-04 14:31:25 +020033#define read_barrier() __asm__ __volatile__("": : :"memory")
34#define write_barrier() __asm__ __volatile__("": : :"memory")
Jens Axboeebac4652005-12-08 15:25:21 +010035
Jens Axboe8f7e39d2008-06-01 19:45:10 +020036static inline unsigned long arch_ffz(unsigned long bitmask)
37{
38 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
39 return bitmask;
40}
41#define ARCH_HAVE_FFZ
42
Jens Axboeebac4652005-12-08 15:25:21 +010043#endif