Merry Christmas to your AMD64
Posted December 23rd, 2005 . No Comments .
AMD have made the coolest Easter egg yet
Compile and run this code on your AMD64
Merry Christmas.
#include <stdio.h> inline void cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) { __asm__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "a" (op) : "cc"); } int main(void) { unsigned int eax,ebx,ecx,edx; unsigned int i=0; char array[17]; char *cp=array; cpuid(0x8fffffff, &eax,&ebx,&ecx,&edx); for (i = 0; i < 4; i++) *cp++ = eax >> (8 * i); for (i = 0; i < 4; i++) *cp++ = ebx >> (8 * i); for (i = 0; i < 4; i++) *cp++ = ecx >> (8 * i); for (i = 0; i < 4; i++) *cp++ = edx >> (8 * i); *cp = 0; printf ("%s\n", array); }
