Merge branch 'master' of ssh://git.kernel.dk/data/git/fio
[fio.git] / arch / arch-x86.h
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1#ifndef ARCH_X86_H
2#define ARCH_X86_H
3
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4static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
5 unsigned int *ecx, unsigned int *edx)
6{
7 asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1"
8 : "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx)
9 : "0" (*eax)
10 : "memory");
11}
12
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13#include "arch-x86-common.h"
14
cca84643 15#define FIO_ARCH (arch_i386)
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16
17#ifndef __NR_ioprio_set
18#define __NR_ioprio_set 289
19#define __NR_ioprio_get 290
20#endif
21
22#ifndef __NR_fadvise64
23#define __NR_fadvise64 250
24#endif
25
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26#ifndef __NR_sys_splice
27#define __NR_sys_splice 313
28#define __NR_sys_tee 315
29#define __NR_sys_vmsplice 316
30#endif
31
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32#ifndef __NR_shmget
33#define __NR_shmget 29
34#define __NR_shmat 30
35#define __NR_shmctl 31
36#endif
37
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38#define FIO_HUGE_PAGE 4194304
39
db6defc7 40#define nop __asm__ __volatile__("rep;nop": : :"memory")
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41#define read_barrier() __asm__ __volatile__("": : :"memory")
42#define write_barrier() __asm__ __volatile__("": : :"memory")
ebac4655 43
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44static inline unsigned long arch_ffz(unsigned long bitmask)
45{
46 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
47 return bitmask;
48}
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49
50static inline unsigned long long get_cpu_clock(void)
51{
6eb9d1b9 52 unsigned long long ret;
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53
54 __asm__ __volatile__("rdtsc" : "=A" (ret));
55 return ret;
56}
57
8f7e39dd 58#define ARCH_HAVE_FFZ
c223da83 59#define ARCH_HAVE_CPU_CLOCK
8f7e39dd 60
ebac4655 61#endif