static void host_x86_cpu_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); X86CPUClass *xcc = X86_CPU_CLASS(oc); uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; xcc->kvm_required = true; host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx); host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12); host_cpudef.stepping = eax & 0x0F; cpu_x86_fill_model_id(host_cpudef.model_id); xcc->cpu_def = &host_cpudef; host_cpudef.cache_info_passthrough = true; /* level, xlevel, xlevel2, and the feature words are initialized on * instance_init, because they require KVM to be initialized. */ dc->props = host_x86_cpu_properties; }