#define bit_CMOV (1 << 15)
#define bit_MMX (1 << 23)
#define bit_SSE (1 << 25)
#define bit_SSE2 (1 << 26)
#ifndef NOINLINE
#define NOINLINE __attribute__ ((noinline))
#endif
unsigned int i386_cpuid (void) NOINLINE;
unsigned int NOINLINE
i386_cpuid (void)
{
int fl1, fl2;
#ifndef __x86_64__
__asm__ ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;"
"pushl %0; popfl; pushfl; popl %0; popfl"
: "=&r" (fl1), "=&r" (fl2)
: "i" (0x00200000));
if (((fl1 ^ fl2) & 0x00200000) == 0)
return (0);
#endif
#ifdef __x86_64__
__asm__ ("pushq %%rcx; pushq %%rbx; cpuid; popq %%rbx; popq %%rcx"
: "=a" (fl1) : "0" (0) : "rdx", "cc");
#else
__asm__ ("pushl %%ecx; pushl %%ebx; cpuid; popl %%ebx; popl %%ecx"
: "=a" (fl1) : "0" (0) : "edx", "cc");
#endif
if (fl1 == 0)
return (0);
#ifdef __x86_64__
__asm__ ("pushq %%rcx; pushq %%rbx; cpuid; popq %%rbx; popq %%rcx"
: "=d" (fl2), "=a" (fl1) : "1" (1) : "cc");
#else
__asm__ ("pushl %%ecx; pushl %%ebx; cpuid; popl %%ebx; popl %%ecx"
: "=d" (fl2), "=a" (fl1) : "1" (1) : "cc");
#endif
return fl2;
}