]> git.proxmox.com Git - mirror_qemu.git/blobdiff - target/i386/cpu.c
i386/cpu: Consolidate die-id validity in smp context
[mirror_qemu.git] / target / i386 / cpu.c
index 722c5514d42e92d44eaa5b37f3c391c66e5e9232..6b3d0035e0f6d80e198ff4cc3c36ab4711dbe24a 100644 (file)
 #include "sev_i386.h"
 
 #include "qemu/error-report.h"
+#include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/config-file.h"
 #include "qapi/error.h"
-#include "qapi/qapi-visit-misc.h"
+#include "qapi/qapi-visit-machine.h"
 #include "qapi/qapi-visit-run-state.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
 #include "qapi/visitor.h"
 #include "qom/qom-qobject.h"
 #include "sysemu/arch_init.h"
-#include "qapi/qapi-commands-target.h"
+#include "qapi/qapi-commands-machine-target.h"
 
 #include "standard-headers/asm-x86/kvm_para.h"
 
 #include "sysemu/sysemu.h"
+#include "sysemu/tcg.h"
 #include "hw/qdev-properties.h"
 #include "hw/i386/topology.h"
 #ifndef CONFIG_USER_ONLY
@@ -54,6 +56,7 @@
 #include "hw/hw.h"
 #include "hw/xen/xen.h"
 #include "hw/i386/apic_internal.h"
+#include "hw/boards.h"
 #endif
 
 #include "disas/capstone.h"
@@ -730,13 +733,14 @@ static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
           CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
           CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
           CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */   \
-          CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
+          CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR | \
+          CPUID_EXT_RDRAND)
           /* missing:
           CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
           CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
           CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
           CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
-          CPUID_EXT_F16C, CPUID_EXT_RDRAND */
+          CPUID_EXT_F16C */
 
 #ifdef TARGET_X86_64
 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
@@ -1077,12 +1081,12 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         .feat_names = {
             NULL, NULL, "avx512-4vnniw", "avx512-4fmaps",
             NULL, NULL, NULL, NULL,
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, "md-clear", NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, "spec-ctrl", "stibp",
-            NULL, "arch-capabilities", NULL, "ssbd",
+            NULL, "arch-capabilities", "core-capability", "ssbd",
         },
         .cpuid = {
             .eax = 7,
@@ -1184,7 +1188,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         .type = MSR_FEATURE_WORD,
         .feat_names = {
             "rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
-            "ssb-no", NULL, NULL, NULL,
+            "ssb-no", "mds-no", NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
@@ -1200,6 +1204,26 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             }
         },
     },
+    [FEAT_CORE_CAPABILITY] = {
+        .type = MSR_FEATURE_WORD,
+        .feat_names = {
+            NULL, NULL, NULL, NULL,
+            NULL, "split-lock-detect", NULL, NULL,
+            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, NULL,
+        },
+        .msr = {
+            .index = MSR_IA32_CORE_CAPABILITY,
+            .cpuid_dep = {
+                FEAT_7_0_EDX,
+                CPUID_7_0_EDX_CORE_CAPABILITY,
+            },
+        },
+    },
 };
 
 typedef struct X86RegisterInfo32 {
@@ -3670,6 +3694,38 @@ static void x86_cpu_parse_featurestr(const char *typename, char *features,
 static void x86_cpu_expand_features(X86CPU *cpu, Error **errp);
 static int x86_cpu_filter_features(X86CPU *cpu);
 
+/* Build a list with the name of all features on a feature word array */
+static void x86_cpu_list_feature_names(FeatureWordArray features,
+                                       strList **feat_names)
+{
+    FeatureWord w;
+    strList **next = feat_names;
+
+    for (w = 0; w < FEATURE_WORDS; w++) {
+        uint32_t filtered = features[w];
+        int i;
+        for (i = 0; i < 32; i++) {
+            if (filtered & (1UL << i)) {
+                strList *new = g_new0(strList, 1);
+                new->value = g_strdup(x86_cpu_feature_name(w, i));
+                *next = new;
+                next = &new->next;
+            }
+        }
+    }
+}
+
+static void x86_cpu_get_unavailable_features(Object *obj, Visitor *v,
+                                             const char *name, void *opaque,
+                                             Error **errp)
+{
+    X86CPU *xc = X86_CPU(obj);
+    strList *result = NULL;
+
+    x86_cpu_list_feature_names(xc->filtered_features, &result);
+    visit_type_strList(v, "unavailable-features", &result, errp);
+}
+
 /* Check for missing features that may prevent the CPU class from
  * running using the current machine and accelerator.
  */
@@ -3677,7 +3733,6 @@ static void x86_cpu_class_check_missing_features(X86CPUClass *xcc,
                                                  strList **missing_feats)
 {
     X86CPU *xc;
-    FeatureWord w;
     Error *err = NULL;
     strList **next = missing_feats;
 
@@ -3704,18 +3759,7 @@ static void x86_cpu_class_check_missing_features(X86CPUClass *xcc,
 
     x86_cpu_filter_features(xc);
 
-    for (w = 0; w < FEATURE_WORDS; w++) {
-        uint32_t filtered = xc->filtered_features[w];
-        int i;
-        for (i = 0; i < 32; i++) {
-            if (filtered & (1UL << i)) {
-                strList *new = g_new0(strList, 1);
-                new->value = g_strdup(x86_cpu_feature_name(w, i));
-                *next = new;
-                next = &new->next;
-            }
-        }
-    }
+    x86_cpu_list_feature_names(xc->filtered_features, next);
 
     object_unref(OBJECT(xc));
 }
@@ -4221,8 +4265,8 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                    uint32_t *eax, uint32_t *ebx,
                    uint32_t *ecx, uint32_t *edx)
 {
-    X86CPU *cpu = x86_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
+    X86CPU *cpu = env_archcpu(env);
+    CPUState *cs = env_cpu(env);
     uint32_t pkg_offset;
     uint32_t limit;
     uint32_t signature[3];
@@ -4729,6 +4773,9 @@ static void x86_cpu_reset(CPUState *s)
 
     env->pat = 0x0007040600070406ULL;
     env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
+    if (env->features[FEAT_1_ECX] & CPUID_EXT_MONITOR) {
+        env->msr_ia32_misc_enable |= MSR_IA32_MISC_ENABLE_MWAIT;
+    }
 
     memset(env->dr, 0, sizeof(env->dr));
     env->dr[6] = DR6_FIXED_1;
@@ -4773,7 +4820,11 @@ static void x86_cpu_reset(CPUState *s)
     memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed));
 
     env->interrupt_injected = -1;
-    env->exception_injected = -1;
+    env->exception_nr = -1;
+    env->exception_pending = 0;
+    env->exception_injected = 0;
+    env->exception_has_payload = false;
+    env->exception_payload = 0;
     env->nmi_injected = false;
 #if !defined(CONFIG_USER_ONLY)
     /* We hard-wire the BSP to the first CPU. */
@@ -5169,12 +5220,6 @@ static int x86_cpu_filter_features(X86CPU *cpu)
     return rv;
 }
 
-#define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
-                           (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
-                           (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
-#define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
-                         (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
-                         (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
 {
     CPUState *cs = CPU(dev);
@@ -5340,9 +5385,10 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
     }
 
 #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;
@@ -5588,13 +5634,13 @@ static void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v,
 
 static void x86_cpu_initfn(Object *obj)
 {
-    CPUState *cs = CPU(obj);
     X86CPU *cpu = X86_CPU(obj);
     X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
     CPUX86State *env = &cpu->env;
     FeatureWord w;
 
-    cs->env_ptr = env;
+    env->nr_dies = 1;
+    cpu_set_cpustate_pointers(cpu);
 
     object_property_add(obj, "family", "int",
                         x86_cpuid_version_get_family,
@@ -5620,6 +5666,15 @@ static void x86_cpu_initfn(Object *obj)
     object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
                         x86_cpu_get_feature_words,
                         NULL, NULL, (void *)cpu->filtered_features, NULL);
+    /*
+     * The "unavailable-features" property has the same semantics as
+     * CpuDefinitionInfo.unavailable-features on the "query-cpu-definitions"
+     * QMP command: they list the features that would have prevented the
+     * CPU from running if the "enforce" flag was set.
+     */
+    object_property_add(obj, "unavailable-features", "strList",
+                        x86_cpu_get_unavailable_features,
+                        NULL, NULL, NULL, &error_abort);
 
     object_property_add(obj, "crash-information", "GuestPanicInformation",
                         x86_cpu_get_crash_info_qom, NULL, NULL, NULL, NULL);
@@ -5810,30 +5865,51 @@ static Property x86_cpu_properties[] = {
     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_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
-    DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
-    DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
-    DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
-    DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
-    DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
-    DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
-    DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
-    DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
-    DEFINE_PROP_BOOL("hv-frequencies", X86CPU, hyperv_frequencies, false),
-    DEFINE_PROP_BOOL("hv-reenlightenment", X86CPU, hyperv_reenlightenment, false),
-    DEFINE_PROP_BOOL("hv-tlbflush", X86CPU, hyperv_tlbflush, false),
-    DEFINE_PROP_BOOL("hv-evmcs", X86CPU, hyperv_evmcs, false),
-    DEFINE_PROP_BOOL("hv-ipi", X86CPU, hyperv_ipi, false),
+    DEFINE_PROP_BIT64("hv-relaxed", X86CPU, hyperv_features,
+                      HYPERV_FEAT_RELAXED, 0),
+    DEFINE_PROP_BIT64("hv-vapic", X86CPU, hyperv_features,
+                      HYPERV_FEAT_VAPIC, 0),
+    DEFINE_PROP_BIT64("hv-time", X86CPU, hyperv_features,
+                      HYPERV_FEAT_TIME, 0),
+    DEFINE_PROP_BIT64("hv-crash", X86CPU, hyperv_features,
+                      HYPERV_FEAT_CRASH, 0),
+    DEFINE_PROP_BIT64("hv-reset", X86CPU, hyperv_features,
+                      HYPERV_FEAT_RESET, 0),
+    DEFINE_PROP_BIT64("hv-vpindex", X86CPU, hyperv_features,
+                      HYPERV_FEAT_VPINDEX, 0),
+    DEFINE_PROP_BIT64("hv-runtime", X86CPU, hyperv_features,
+                      HYPERV_FEAT_RUNTIME, 0),
+    DEFINE_PROP_BIT64("hv-synic", X86CPU, hyperv_features,
+                      HYPERV_FEAT_SYNIC, 0),
+    DEFINE_PROP_BIT64("hv-stimer", X86CPU, hyperv_features,
+                      HYPERV_FEAT_STIMER, 0),
+    DEFINE_PROP_BIT64("hv-frequencies", X86CPU, hyperv_features,
+                      HYPERV_FEAT_FREQUENCIES, 0),
+    DEFINE_PROP_BIT64("hv-reenlightenment", X86CPU, hyperv_features,
+                      HYPERV_FEAT_REENLIGHTENMENT, 0),
+    DEFINE_PROP_BIT64("hv-tlbflush", X86CPU, hyperv_features,
+                      HYPERV_FEAT_TLBFLUSH, 0),
+    DEFINE_PROP_BIT64("hv-evmcs", X86CPU, hyperv_features,
+                      HYPERV_FEAT_EVMCS, 0),
+    DEFINE_PROP_BIT64("hv-ipi", X86CPU, hyperv_features,
+                      HYPERV_FEAT_IPI, 0),
+    DEFINE_PROP_BIT64("hv-stimer-direct", X86CPU, hyperv_features,
+                      HYPERV_FEAT_STIMER_DIRECT, 0),
+    DEFINE_PROP_BOOL("hv-passthrough", X86CPU, hyperv_passthrough, false),
+
     DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
     DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
     DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
@@ -5915,9 +5991,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = x86_cpu_gdb_write_register;
     cc->get_arch_id = x86_cpu_get_arch_id;
     cc->get_paging_enabled = x86_cpu_get_paging_enabled;
-#ifdef CONFIG_USER_ONLY
-    cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
-#else
+#ifndef CONFIG_USER_ONLY
     cc->asidx_from_attrs = x86_asidx_from_attrs;
     cc->get_memory_mapping = x86_cpu_get_memory_mapping;
     cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
@@ -5942,6 +6016,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
     cc->cpu_exec_exit = x86_cpu_exec_exit;
 #ifdef CONFIG_TCG
     cc->tcg_initialize = tcg_x86_init;
+    cc->tlb_fill = x86_cpu_tlb_fill;
 #endif
     cc->disas_set_info = x86_disas_set_info;