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-rw-r--r--target/i386/cpu.c174
1 files changed, 151 insertions, 23 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 92fafa2659..34b511f078 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1133,7 +1133,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             "clzero", NULL, "xsaveerptr", NULL,
             NULL, NULL, NULL, NULL,
             NULL, "wbnoinvd", NULL, NULL,
-            "ibpb", NULL, NULL, NULL,
+            "ibpb", NULL, NULL, "amd-stibp",
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             "amd-ssbd", "virt-ssbd", "amd-no-ssb", NULL,
@@ -1690,6 +1690,7 @@ typedef struct PropValue {
 typedef struct X86CPUVersionDefinition {
     X86CPUVersion version;
     const char *alias;
+    const char *note;
     PropValue *props;
 } X86CPUVersionDefinition;
 
@@ -1720,6 +1721,7 @@ struct X86CPUModel {
     X86CPUDefinition *cpudef;
     /* CPU model version */
     X86CPUVersion version;
+    const char *note;
     /*
      * If true, this is an alias CPU model.
      * This matters only for "-cpu help" and query-cpu-definitions
@@ -1796,6 +1798,56 @@ static CPUCaches epyc_cache_info = {
     },
 };
 
+static CPUCaches epyc_rome_cache_info = {
+    .l1d_cache = &(CPUCacheInfo) {
+        .type = DATA_CACHE,
+        .level = 1,
+        .size = 32 * KiB,
+        .line_size = 64,
+        .associativity = 8,
+        .partitions = 1,
+        .sets = 64,
+        .lines_per_tag = 1,
+        .self_init = 1,
+        .no_invd_sharing = true,
+    },
+    .l1i_cache = &(CPUCacheInfo) {
+        .type = INSTRUCTION_CACHE,
+        .level = 1,
+        .size = 32 * KiB,
+        .line_size = 64,
+        .associativity = 8,
+        .partitions = 1,
+        .sets = 64,
+        .lines_per_tag = 1,
+        .self_init = 1,
+        .no_invd_sharing = true,
+    },
+    .l2_cache = &(CPUCacheInfo) {
+        .type = UNIFIED_CACHE,
+        .level = 2,
+        .size = 512 * KiB,
+        .line_size = 64,
+        .associativity = 8,
+        .partitions = 1,
+        .sets = 1024,
+        .lines_per_tag = 1,
+    },
+    .l3_cache = &(CPUCacheInfo) {
+        .type = UNIFIED_CACHE,
+        .level = 3,
+        .size = 16 * MiB,
+        .line_size = 64,
+        .associativity = 16,
+        .partitions = 1,
+        .sets = 16384,
+        .lines_per_tag = 1,
+        .self_init = true,
+        .inclusive = true,
+        .complex_indexing = true,
+    },
+};
+
 /* The following VMX features are not supported by KVM and are left out in the
  * CPU definitions:
  *
@@ -3592,6 +3644,18 @@ static X86CPUDefinition builtin_x86_defs[] = {
         .features[FEAT_VMX_VMFUNC] = MSR_VMX_VMFUNC_EPT_SWITCHING,
         .xlevel = 0x80000008,
         .model_id = "Intel Atom Processor (Denverton)",
+        .versions = (X86CPUVersionDefinition[]) {
+            { .version = 1 },
+            {
+                .version = 2,
+                .props = (PropValue[]) {
+                    { "monitor", "off" },
+                    { "mpx", "off" },
+                    { /* end of list */ },
+                },
+            },
+            { /* end of list */ },
+        },
     },
     {
         .name = "Snowridge",
@@ -3928,10 +3992,6 @@ static X86CPUDefinition builtin_x86_defs[] = {
             CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
             CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
             CPUID_7_0_EBX_SHA_NI,
-        /* Missing: XSAVES (not supported by some Linux versions,
-         * including v4.1 to v4.12).
-         * KVM doesn't yet expose any XSAVES state save component.
-         */
         .features[FEAT_XSAVE] =
             CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
             CPUID_XSAVE_XGETBV1,
@@ -3954,6 +4014,19 @@ static X86CPUDefinition builtin_x86_defs[] = {
                     { /* end of list */ }
                 }
             },
+            {
+                .version = 3,
+                .props = (PropValue[]) {
+                    { "ibpb", "on" },
+                    { "perfctr-core", "on" },
+                    { "clzero", "on" },
+                    { "xsaveerptr", "on" },
+                    { "xsaves", "on" },
+                    { "model-id",
+                      "AMD EPYC Processor" },
+                    { /* end of list */ }
+                }
+            },
             { /* end of list */ }
         }
     },
@@ -4007,6 +4080,56 @@ static X86CPUDefinition builtin_x86_defs[] = {
         .model_id = "Hygon Dhyana Processor",
         .cache_info = &epyc_cache_info,
     },
+    {
+        .name = "EPYC-Rome",
+        .level = 0xd,
+        .vendor = CPUID_VENDOR_AMD,
+        .family = 23,
+        .model = 49,
+        .stepping = 0,
+        .features[FEAT_1_EDX] =
+            CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH |
+            CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE |
+            CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE |
+            CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE |
+            CPUID_VME | CPUID_FP87,
+        .features[FEAT_1_ECX] =
+            CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX |
+            CPUID_EXT_XSAVE | CPUID_EXT_AES |  CPUID_EXT_POPCNT |
+            CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
+            CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 |
+            CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
+        .features[FEAT_8000_0001_EDX] =
+            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB |
+            CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX |
+            CPUID_EXT2_SYSCALL,
+        .features[FEAT_8000_0001_ECX] =
+            CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH |
+            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM |
+            CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM |
+            CPUID_EXT3_TOPOEXT | CPUID_EXT3_PERFCORE,
+        .features[FEAT_8000_0008_EBX] =
+            CPUID_8000_0008_EBX_CLZERO | CPUID_8000_0008_EBX_XSAVEERPTR |
+            CPUID_8000_0008_EBX_WBNOINVD | CPUID_8000_0008_EBX_IBPB |
+            CPUID_8000_0008_EBX_STIBP,
+        .features[FEAT_7_0_EBX] =
+            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
+            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
+            CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
+            CPUID_7_0_EBX_SHA_NI | CPUID_7_0_EBX_CLWB,
+        .features[FEAT_7_0_ECX] =
+            CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_RDPID,
+        .features[FEAT_XSAVE] =
+            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
+            CPUID_XSAVE_XGETBV1 | CPUID_XSAVE_XSAVES,
+        .features[FEAT_6_EAX] =
+            CPUID_6_EAX_ARAT,
+        .features[FEAT_SVM] =
+            CPUID_SVM_NPT | CPUID_SVM_NRIPSAVE,
+        .xlevel = 0x8000001E,
+        .model_id = "AMD EPYC-Rome Processor",
+        .cache_info = &epyc_rome_cache_info,
+    },
 };
 
 /* KVM-specific features that are automatically added/removed
@@ -4849,6 +4972,7 @@ static void x86_cpu_list_entry(gpointer data, gpointer user_data)
     g_autofree char *name = x86_cpu_class_get_model_name(cc);
     g_autofree char *desc = g_strdup(cc->model_description);
     g_autofree char *alias_of = x86_cpu_class_get_alias_of(cc);
+    g_autofree char *model_id = x86_cpu_class_get_model_id(cc);
 
     if (!desc && alias_of) {
         if (cc->model && cc->model->version == CPU_VERSION_AUTO) {
@@ -4857,11 +4981,14 @@ static void x86_cpu_list_entry(gpointer data, gpointer user_data)
             desc = g_strdup_printf("(alias of %s)", alias_of);
         }
     }
+    if (!desc && cc->model && cc->model->note) {
+        desc = g_strdup_printf("%s [%s]", model_id, cc->model->note);
+    }
     if (!desc) {
-        desc = x86_cpu_class_get_model_id(cc);
+        desc = g_strdup_printf("%s", model_id);
     }
 
-    qemu_printf("x86 %-20s  %-48s\n", name, desc);
+    qemu_printf("x86 %-20s  %-58s\n", name, desc);
 }
 
 /* list available CPU models and flags */
@@ -5338,6 +5465,7 @@ static void x86_register_cpudef_types(X86CPUDefinition *def)
             x86_cpu_versioned_model_name(def, vdef->version);
         m->cpudef = def;
         m->version = vdef->version;
+        m->note = vdef->note;
         x86_register_cpu_model_type(name, m);
 
         if (vdef->alias) {
@@ -5369,6 +5497,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
     uint32_t die_offset;
     uint32_t limit;
     uint32_t signature[3];
+    X86CPUTopoInfo topo_info;
+
+    topo_info.dies_per_pkg = env->nr_dies;
+    topo_info.cores_per_die = cs->nr_cores;
+    topo_info.threads_per_core = cs->nr_threads;
 
     /* Calculate & apply limits for different index ranges */
     if (index >= 0xC0000000) {
@@ -5455,8 +5588,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                                     eax, ebx, ecx, edx);
                 break;
             case 3: /* L3 cache info */
-                die_offset = apicid_die_offset(env->nr_dies,
-                                        cs->nr_cores, cs->nr_threads);
+                die_offset = apicid_die_offset(&topo_info);
                 if (cpu->enable_l3_cache) {
                     encode_cache_cpuid4(env->cache_info_cpuid4.l3_cache,
                                         (1 << die_offset), cs->nr_cores,
@@ -5547,14 +5679,12 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
 
         switch (count) {
         case 0:
-            *eax = apicid_core_offset(env->nr_dies,
-                                      cs->nr_cores, cs->nr_threads);
+            *eax = apicid_core_offset(&topo_info);
             *ebx = cs->nr_threads;
             *ecx |= CPUID_TOPOLOGY_LEVEL_SMT;
             break;
         case 1:
-            *eax = apicid_pkg_offset(env->nr_dies,
-                                     cs->nr_cores, cs->nr_threads);
+            *eax = apicid_pkg_offset(&topo_info);
             *ebx = cs->nr_cores * cs->nr_threads;
             *ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
             break;
@@ -5578,20 +5708,17 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
         *edx = cpu->apic_id;
         switch (count) {
         case 0:
-            *eax = apicid_core_offset(env->nr_dies, cs->nr_cores,
-                                                    cs->nr_threads);
+            *eax = apicid_core_offset(&topo_info);
             *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);
+            *eax = apicid_die_offset(&topo_info);
             *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);
+            *eax = apicid_pkg_offset(&topo_info);
             *ebx = env->nr_dies * cs->nr_cores * cs->nr_threads;
             *ecx |= CPUID_TOPOLOGY_LEVEL_DIE;
             break;
@@ -5855,9 +5982,9 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
     }
 }
 
-/* CPUClass::reset() */
-static void x86_cpu_reset(CPUState *s)
+static void x86_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     X86CPU *cpu = X86_CPU(s);
     X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
     CPUX86State *env = &cpu->env;
@@ -5865,7 +5992,7 @@ static void x86_cpu_reset(CPUState *s)
     uint64_t xcr0;
     int i;
 
-    xcc->parent_reset(s);
+    xcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUX86State, end_reset_fields));
 
@@ -6830,6 +6957,7 @@ static void x86_cpu_initfn(Object *obj)
     FeatureWord w;
 
     env->nr_dies = 1;
+    env->nr_nodes = 1;
     cpu_set_cpustate_pointers(cpu);
 
     object_property_add(obj, "family", "int",
@@ -7169,7 +7297,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
                                       &xcc->parent_unrealize);
     device_class_set_props(dc, x86_cpu_properties);
 
-    cpu_class_set_parent_reset(cc, x86_cpu_reset, &xcc->parent_reset);
+    device_class_set_parent_reset(dc, x86_cpu_reset, &xcc->parent_reset);
     cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
 
     cc->class_by_name = x86_cpu_class_by_name;