#include "hw/hw.h"
#include "hw/xen/xen.h"
#include "hw/i386/apic_internal.h"
+#include "hw/boards.h"
#endif
#include "disas/capstone.h"
.xlevel = 0x80000008,
.model_id = "Intel Xeon Processor (Icelake)",
},
+ {
+ .name = "SnowRidge-Server",
+ .level = 27,
+ .vendor = CPUID_VENDOR_INTEL,
+ .family = 6,
+ .model = 134,
+ .stepping = 1,
+ .features[FEAT_1_EDX] =
+ /* missing: CPUID_PN CPUID_IA64 */
+ /* missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
+ CPUID_FP87 | CPUID_VME | CPUID_DE | CPUID_PSE |
+ CPUID_TSC | CPUID_MSR | CPUID_PAE | CPUID_MCE |
+ CPUID_CX8 | CPUID_APIC | CPUID_SEP |
+ CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV |
+ CPUID_PAT | CPUID_PSE36 | CPUID_CLFLUSH |
+ CPUID_MMX |
+ CPUID_FXSR | CPUID_SSE | CPUID_SSE2,
+ .features[FEAT_1_ECX] =
+ CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_MONITOR |
+ CPUID_EXT_VMX |
+ CPUID_EXT_SSSE3 |
+ CPUID_EXT_CX16 |
+ CPUID_EXT_SSE41 |
+ CPUID_EXT_SSE42 | CPUID_EXT_X2APIC | CPUID_EXT_MOVBE |
+ CPUID_EXT_POPCNT |
+ CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_AES | CPUID_EXT_XSAVE |
+ CPUID_EXT_RDRAND,
+ .features[FEAT_8000_0001_EDX] =
+ CPUID_EXT2_SYSCALL |
+ CPUID_EXT2_NX |
+ CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
+ CPUID_EXT2_LM,
+ .features[FEAT_8000_0001_ECX] =
+ CPUID_EXT3_LAHF_LM |
+ CPUID_EXT3_3DNOWPREFETCH,
+ .features[FEAT_7_0_EBX] =
+ CPUID_7_0_EBX_FSGSBASE |
+ CPUID_7_0_EBX_SMEP |
+ CPUID_7_0_EBX_ERMS |
+ CPUID_7_0_EBX_MPX | /* missing bits 13, 15 */
+ CPUID_7_0_EBX_RDSEED |
+ CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
+ CPUID_7_0_EBX_CLWB |
+ CPUID_7_0_EBX_SHA_NI,
+ .features[FEAT_7_0_ECX] =
+ CPUID_7_0_ECX_UMIP |
+ /* missing bit 5 */
+ CPUID_7_0_ECX_GFNI |
+ CPUID_7_0_ECX_MOVDIRI | CPUID_7_0_ECX_CLDEMOTE |
+ CPUID_7_0_ECX_MOVDIR64B,
+ .features[FEAT_7_0_EDX] =
+ CPUID_7_0_EDX_SPEC_CTRL |
+ CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD |
+ CPUID_7_0_EDX_CORE_CAPABILITY,
+ .features[FEAT_CORE_CAPABILITY] =
+ MSR_CORE_CAP_SPLIT_LOCK_DETECT,
+ /*
+ * Missing: XSAVES (not supported by some Linux versions,
+ * including v4.1 to v4.12).
+ * KVM doesn't yet expose any XSAVES state save component,
+ * and the only one defined in Skylake (processor tracing)
+ * probably will block migration anyway.
+ */
+ .features[FEAT_XSAVE] =
+ CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
+ CPUID_XSAVE_XGETBV1,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
+ .xlevel = 0x80000008,
+ .model_id = "Intel Atom Processor (SnowRidge)",
+ },
{
.name = "KnightsMill",
.level = 0xd,
char vendor[CPUID_VENDOR_SZ + 1] = { 0 };
char model_id[CPUID_MODEL_ID_SZ + 1] = { 0 };
int family, model, stepping;
- X86CPUDefinition host_cpudef = { };
- uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
-
- host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
- x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
host_vendor_fms(vendor, &family, &model, &stepping);
-
cpu_x86_fill_model_id(model_id);
object_property_set_str(OBJECT(cpu), vendor, "vendor", &error_abort);
visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, errp);
}
-static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- X86CPU *cpu = X86_CPU(obj);
- int64_t value = cpu->hyperv_spinlock_attempts;
-
- visit_type_int(v, name, &value, errp);
-}
-
-static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- const int64_t min = 0xFFF;
- const int64_t max = UINT_MAX;
- X86CPU *cpu = X86_CPU(obj);
- Error *err = NULL;
- int64_t value;
-
- visit_type_int(v, name, &value, &err);
- if (err) {
- error_propagate(errp, err);
- return;
- }
-
- if (value < min || value > max) {
- error_setg(errp, "Property %s.%s doesn't take value %" PRId64
- " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
- object_get_typename(obj), name ? name : "null",
- value, min, max);
- return;
- }
- cpu->hyperv_spinlock_attempts = value;
-}
-
-static const PropertyInfo qdev_prop_spinlocks = {
- .name = "int",
- .get = x86_get_hv_spinlocks,
- .set = x86_set_hv_spinlocks,
-};
-
/* Convert all '_' in a feature string option name to '-', to make feature
* name conform to QOM property naming rule, which uses '-' instead of '_'.
*/
{
X86CPU *cpu = env_archcpu(env);
CPUState *cs = env_cpu(env);
- uint32_t pkg_offset;
+ uint32_t die_offset;
uint32_t limit;
uint32_t signature[3];
eax, ebx, ecx, edx);
break;
case 3: /* L3 cache info */
- pkg_offset = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
+ die_offset = apicid_die_offset(env->nr_dies,
+ cs->nr_cores, cs->nr_threads);
if (cpu->enable_l3_cache) {
encode_cache_cpuid4(env->cache_info_cpuid4.l3_cache,
- (1 << pkg_offset), cs->nr_cores,
+ (1 << die_offset), cs->nr_cores,
eax, ebx, ecx, edx);
break;
}
switch (count) {
case 0:
- *eax = apicid_core_offset(cs->nr_cores, cs->nr_threads);
+ *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_pkg_offset(cs->nr_cores, cs->nr_threads);
+ *eax = apicid_pkg_offset(env->nr_dies,
+ cs->nr_cores, cs->nr_threads);
*ebx = cs->nr_cores * cs->nr_threads;
*ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
break;
*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);
uint32_t host_feat =
x86_cpu_get_supported_feature_word(w, false);
uint32_t requested_features = env->features[w];
- env->features[w] &= host_feat;
- cpu->filtered_features[w] = requested_features & ~env->features[w];
+ uint32_t available_features = requested_features & host_feat;
+ if (!cpu->force_features) {
+ env->features[w] = available_features;
+ }
+ cpu->filtered_features[w] = requested_features & ~available_features;
if (cpu->filtered_features[w]) {
rv = 1;
}
uint32_t host_phys_bits = x86_host_phys_bits();
static bool warned;
- if (cpu->host_phys_bits) {
- /* The user asked for us to use the host physical bits */
- cpu->phys_bits = host_phys_bits;
- if (cpu->host_phys_bits_limit &&
- cpu->phys_bits > cpu->host_phys_bits_limit) {
- cpu->phys_bits = cpu->host_phys_bits_limit;
- }
- }
-
/* Print a warning if the user set it to a value that's not the
* host value.
*/
warned = true;
}
+ if (cpu->host_phys_bits) {
+ /* The user asked for us to use the host physical bits */
+ cpu->phys_bits = host_phys_bits;
+ if (cpu->host_phys_bits_limit &&
+ cpu->phys_bits > cpu->host_phys_bits_limit) {
+ cpu->phys_bits = cpu->host_phys_bits_limit;
+ }
+ }
+
if (cpu->phys_bits &&
(cpu->phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
cpu->phys_bits < 32)) {
}
#ifndef CONFIG_USER_ONLY
+ MachineState *ms = MACHINE(qdev_get_machine());
qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
- if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
+ if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || ms->smp.cpus > 1) {
x86_cpu_apic_create(cpu, &local_err);
if (local_err != NULL) {
goto out;
CPUX86State *env = &cpu->env;
FeatureWord w;
+ env->nr_dies = 1;
cpu_set_cpustate_pointers(cpu);
object_property_add(obj, "family", "int",
object_property_add(obj, "crash-information", "GuestPanicInformation",
x86_cpu_get_crash_info_qom, NULL, NULL, NULL, NULL);
- cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
-
for (w = 0; w < FEATURE_WORDS; w++) {
int bitnr;
DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0),
DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0),
DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0),
+ DEFINE_PROP_INT32("die-id", X86CPU, die_id, 0),
DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0),
#else
DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID),
DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1),
DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1),
+ DEFINE_PROP_INT32("die-id", X86CPU, die_id, -1),
DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1),
#endif
DEFINE_PROP_INT32("node-id", X86CPU, node_id, CPU_UNSET_NUMA_NODE_ID),
DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
- { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
+ DEFINE_PROP_UINT32("hv-spinlocks", X86CPU, hyperv_spinlock_attempts,
+ HYPERV_SPINLOCK_NEVER_RETRY),
DEFINE_PROP_BIT64("hv-relaxed", X86CPU, hyperv_features,
HYPERV_FEAT_RELAXED, 0),
DEFINE_PROP_BIT64("hv-vapic", X86CPU, hyperv_features,
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
+ DEFINE_PROP_BOOL("x-force-features", X86CPU, force_features, false),
DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
DEFINE_PROP_UINT32("phys-bits", X86CPU, phys_bits, 0),
DEFINE_PROP_BOOL("host-phys-bits", X86CPU, host_phys_bits, false),