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/*
* (C) 2001 Dave Jones.
*
* Licensed under the terms of the GNU GPL License version 2.
*/
#include <stdio.h>
#include "x86info.h"
static int flag_is_changeable_p(unsigned long flag)
{
unsigned long f1, f2;
__asm__ volatile("pushf\n\t"
"pushf\n\t"
"pop %0\n\t"
"mov %0,%1\n\t"
"xor %2,%0\n\t"
"push %0\n\t"
"popf\n\t"
"pushf\n\t"
"pop %0\n\t"
"popf\n\t"
: "=&r" (f1), "=&r" (f2)
: "ir" (flag));
return ((f1^f2) & flag) != 0;
}
int HaveCPUID(void)
{
return flag_is_changeable_p(0x200000);
}
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