4 static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
5 unsigned int *ecx, unsigned int *edx)
7 asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1"
8 : "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx)
13 #include "arch-x86-common.h"
15 #define FIO_ARCH (arch_i386)
17 #ifndef __NR_ioprio_set
18 #define __NR_ioprio_set 289
19 #define __NR_ioprio_get 290
22 #ifndef __NR_fadvise64
23 #define __NR_fadvise64 250
26 #ifndef __NR_sys_splice
27 #define __NR_sys_splice 313
28 #define __NR_sys_tee 315
29 #define __NR_sys_vmsplice 316
32 #define FIO_HUGE_PAGE 4194304
34 #define nop __asm__ __volatile__("rep;nop": : :"memory")
35 #define read_barrier() __asm__ __volatile__("": : :"memory")
36 #define write_barrier() __asm__ __volatile__("": : :"memory")
38 static inline unsigned long arch_ffz(unsigned long bitmask)
40 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
44 static inline unsigned long long get_cpu_clock(void)
46 unsigned long long ret;
48 __asm__ __volatile__("rdtsc" : "=A" (ret));
53 #define ARCH_HAVE_CPU_CLOCK