#ifndef ARCH_X86_H
#define ARCH_X86_H
+static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
+ unsigned int *ecx, unsigned int *edx)
+{
+ asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1"
+ : "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "0" (*eax)
+ : "memory");
+}
+
#include "arch-x86-common.h"
#define FIO_ARCH (arch_i386)
static inline unsigned long long get_cpu_clock(void)
{
- unsigned long ret;
+ unsigned long long ret;
__asm__ __volatile__("rdtsc" : "=A" (ret));
return ret;