That's the proper way to use crypt.h
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* lsflib/tools/cpuid.c
* Copyright (C) 2008 Markus Broeker
*/
#include <lsf/cpuid.h>
char *get_cpu_brand (int function)
{
ULONG brand[4];
static char s[48];
__asm__ ("cpuid":"=a" (brand[0]), "=b" (brand[1]), "=c" (brand[2]), "=d" (brand[3])
: "a" (function)
);
memcpy (s, brand, sizeof (brand));
return s;
}
char *get_cpu_vendor ()
{
ULONG vendor[3];
static char s[15];
*s = 0;
__asm__ ("cpuid":"=b" (vendor[0]), "=d" (vendor[1]), "=c" (vendor[2])
: "a" (0)
);
memcpy (s, vendor, sizeof (vendor));
return s;
}
ULONG get_cpu_function (ULONG function, ULONG * ax, ULONG * bx, ULONG * cx, ULONG * dx)
{
__asm__ ("cpuid":"=a" (*ax), "=b" (*bx), "=c" (*cx), "=d" (*dx)
: "a" (function)
);
return (ULONG) (*ax);
}