*ecx |= CPUID_TOPOLOGY_LEVEL_INVALID;
}
+ assert(!(*eax & ~0x1f));
+ *ebx &= 0xffff; /* The count doesn't need to be reliable. */
+ break;
+ case 0x1F:
+ /* V2 Extended Topology Enumeration Leaf */
+ if (env->nr_dies < 2) {
+ *eax = *ebx = *ecx = *edx = 0;
+ break;
+ }
+
+ *ecx = count & 0xff;
+ *edx = cpu->apic_id;
+ switch (count) {
+ case 0:
+ *eax = apicid_core_offset(env->nr_dies, cs->nr_cores,
+ cs->nr_threads);
+ *ebx = cs->nr_threads;
+ *ecx |= CPUID_TOPOLOGY_LEVEL_SMT;
+ break;
+ case 1:
+ *eax = apicid_die_offset(env->nr_dies, cs->nr_cores,
+ cs->nr_threads);
+ *ebx = cs->nr_cores * cs->nr_threads;
+ *ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
+ break;
+ case 2:
+ *eax = apicid_pkg_offset(env->nr_dies, cs->nr_cores,
+ cs->nr_threads);
+ *ebx = env->nr_dies * cs->nr_cores * cs->nr_threads;
+ *ecx |= CPUID_TOPOLOGY_LEVEL_DIE;
+ break;
+ default:
+ *eax = 0;
+ *ebx = 0;
+ *ecx |= CPUID_TOPOLOGY_LEVEL_INVALID;
+ }
assert(!(*eax & ~0x1f));
*ebx &= 0xffff; /* The count doesn't need to be reliable. */
break;
x86_cpu_adjust_level(cpu, &cpu->env.cpuid_min_level, 0x14);
}
+ /* CPU topology with multi-dies support requires CPUID[0x1F] */
+ if (env->nr_dies > 1) {
+ x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x1F);
+ }
+
/* SVM requires CPUID[0x8000000A] */
if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
#define CPUID_TOPOLOGY_LEVEL_INVALID (0U << 8)
#define CPUID_TOPOLOGY_LEVEL_SMT (1U << 8)
#define CPUID_TOPOLOGY_LEVEL_CORE (2U << 8)
+#define CPUID_TOPOLOGY_LEVEL_DIE (5U << 8)
/* MSR Feature Bits */
#define MSR_ARCH_CAP_RDCL_NO (1U << 0)
}
break;
}
+ case 0x1f:
+ if (env->nr_dies < 2) {
+ break;
+ }
case 4:
case 0xb:
case 0xd:
if (i == 0xd && j == 64) {
break;
}
+
+ if (i == 0x1f && j == 64) {
+ break;
+ }
+
c->function = i;
c->flags = KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
c->index = j;
if (i == 0xb && !(c->ecx & 0xff00)) {
break;
}
+ if (i == 0x1f && !(c->ecx & 0xff00)) {
+ break;
+ }
if (i == 0xd && c->eax == 0) {
continue;
}