graphene/Pal/test/Cpuid.c

/* This Hello World simply print out "Hello World" */

#include "pal.h"
#include "pal_debug.h"

int main(int argc, char** argv, char** envp) {
    PAL_NUM values[4];
    __asm__ volatile(
        "mov $0, %%rax\n"
        "cpuid\n"
        : "=a"(values[0]), "=b"(values[1]), "=c"(values[2]), "=d"(values[3])::"memory");

    pal_printf("cpuid[0] = %08lx %08lx %08lx %08lx\n", values[0], values[1], values[2], values[3]);

    return 0;
}