memset(cpu->hyperv_vendor_id, 0, 12);
memcpy(cpu->hyperv_vendor_id, cpu->hyperv_vendor, len);
}
+
+ /* 'Hv#1' interface identification*/
+ cpu->hyperv_interface_id[0] = 0x31237648;
+ cpu->hyperv_interface_id[1] = 0;
+ cpu->hyperv_interface_id[2] = 0;
+ cpu->hyperv_interface_id[3] = 0;
}
static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
CPUX86State *env = &cpu->env;
struct kvm_cpuid2 *cpuid;
struct kvm_cpuid_entry2 *c;
- uint32_t signature[3];
uint32_t cpuid_i = 0;
int r;
cpu->hyperv_vendor_id[2] = c->edx;
}
+ c = cpuid_find_entry(cpuid, HV_CPUID_INTERFACE, 0);
+ if (c) {
+ cpu->hyperv_interface_id[0] = c->eax;
+ cpu->hyperv_interface_id[1] = c->ebx;
+ cpu->hyperv_interface_id[2] = c->ecx;
+ cpu->hyperv_interface_id[3] = c->edx;
+ }
+
c = cpuid_find_entry(cpuid, HV_CPUID_FEATURES, 0);
if (c) {
env->features[FEAT_HYPERV_EAX] = c->eax;
c = &cpuid_ent[cpuid_i++];
c->function = HV_CPUID_INTERFACE;
- memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12);
- c->eax = signature[0];
- c->ebx = 0;
- c->ecx = 0;
- c->edx = 0;
+ c->eax = cpu->hyperv_interface_id[0];
+ c->ebx = cpu->hyperv_interface_id[1];
+ c->ecx = cpu->hyperv_interface_id[2];
+ c->edx = cpu->hyperv_interface_id[3];
c = &cpuid_ent[cpuid_i++];
c->function = HV_CPUID_VERSION;