4 static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
5 unsigned int *ecx, unsigned int *edx)
8 : "=a" (*eax), "=b" (*ebx), "=r" (*ecx), "=d" (*edx)
9 : "0" (*eax), "2" (*ecx)
13 #include "arch-x86-common.h"
15 #define FIO_ARCH (arch_x86_64)
17 #ifndef __NR_ioprio_set
18 #define __NR_ioprio_set 251
19 #define __NR_ioprio_get 252
22 #ifndef __NR_fadvise64
23 #define __NR_fadvise64 221
26 #ifndef __NR_sys_splice
27 #define __NR_sys_splice 275
28 #define __NR_sys_tee 276
29 #define __NR_sys_vmsplice 278
32 #define FIO_HUGE_PAGE 2097152
34 #define nop __asm__ __volatile__("rep;nop": : :"memory")
35 #define read_barrier() __asm__ __volatile__("lfence":::"memory")
36 #define write_barrier() __asm__ __volatile__("sfence":::"memory")
38 static inline unsigned long arch_ffz(unsigned long bitmask)
40 __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask));
44 static inline unsigned long long get_cpu_clock(void)
48 __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
49 return ((unsigned long long) hi << 32ULL) | lo;
53 #define ARCH_HAVE_SSE4_2
54 #define ARCH_HAVE_CPU_CLOCK