Archipelago » qemu

        .vendor1 = CPUID_VENDOR_AMD_1,

        .vendor2 = CPUID_VENDOR_AMD_2,

        .vendor3 = CPUID_VENDOR_AMD_3,

static void host_cpuid(uint32_t function, uint32_t count, uint32_t *eax,

                               uint32_t *ebx, uint32_t *ecx, uint32_t *edx);

static int cpu_x86_fill_model_id(char *str)

{

    uint32_t eax, ebx, ecx, edx;

    int i;

    for (i = 0; i < 3; i++) {

        host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);

        memcpy(str + i * 16 +  0, &eax, 4);

        memcpy(str + i * 16 +  4, &ebx, 4);

        memcpy(str + i * 16 +  8, &ecx, 4);

        memcpy(str + i * 16 + 12, &edx, 4);

    }

    return 0;

}

static int cpu_x86_fill_host(x86_def_t *x86_cpu_def)

{

    uint32_t eax, ebx, ecx, edx;

    x86_cpu_def->name = "host";

    host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);

    x86_cpu_def->level = eax;

    x86_cpu_def->vendor1 = ebx;

    x86_cpu_def->vendor2 = edx;

    x86_cpu_def->vendor3 = ecx;

    host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);

    x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);

    x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);

    x86_cpu_def->stepping = eax & 0x0F;

    x86_cpu_def->ext_features = ecx;

    x86_cpu_def->features = edx;

    host_cpuid(0x80000000, 0, &eax, &ebx, &ecx, &edx);

    x86_cpu_def->xlevel = eax;

    host_cpuid(0x80000001, 0, &eax, &ebx, &ecx, &edx);

    x86_cpu_def->ext2_features = edx;

    x86_cpu_def->ext3_features = ecx;

    cpu_x86_fill_model_id(x86_cpu_def->model_id);

    x86_cpu_def->vendor_override = 0;

    return 0;

}

    if (!def) {

        if (strcmp(name, "host") != 0) {

            goto error;

        }

        cpu_x86_fill_host(x86_cpu_def);

    } else {

        memcpy(x86_cpu_def, def, sizeof(*def));

    }