#include "cpu.h"
#include "sysemu/kvm.h"
#include "sysemu/cpus.h"
+#include "kvm_i386.h"
#include "topology.h"
#include "qemu/option.h"
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
};
+static const char *cpuid_apm_edx_feature_name[] = {
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ "invtsc", NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+};
+
+#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
+#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
+ CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
+#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
+ CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
+ CPUID_PSE36 | CPUID_FXSR)
+#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
+#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
+ CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
+ CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
+ CPUID_PAE | CPUID_SEP | CPUID_APIC)
+
+#define TCG_FEATURES (CPUID_FP87 | 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_ACPI | CPUID_MMX | \
+ CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
+ /* partly implemented:
+ CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
+ /* missing:
+ CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
+#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
+ CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
+ CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
+ CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
+ /* 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_XSAVE,
+ CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
+ CPUID_EXT_RDRAND */
+
+#ifdef TARGET_X86_64
+#define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
+#else
+#define TCG_EXT2_X86_64_FEATURES 0
+#endif
+
+#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
+ CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
+ CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
+ TCG_EXT2_X86_64_FEATURES)
+#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
+ CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
+#define TCG_EXT4_FEATURES 0
+#define TCG_SVM_FEATURES 0
+#define TCG_KVM_FEATURES 0
+#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
+ CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
+ /* missing:
+ CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
+ CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
+ CPUID_7_0_EBX_RDSEED */
+#define TCG_APM_FEATURES 0
+
+
typedef struct FeatureWordInfo {
const char **feat_names;
uint32_t cpuid_eax; /* Input EAX for CPUID */
bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
uint32_t cpuid_ecx; /* Input ECX value for CPUID */
int cpuid_reg; /* output register (R_* constant) */
+ uint32_t tcg_features; /* Feature flags supported by TCG */
+ uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
} FeatureWordInfo;
static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
[FEAT_1_EDX] = {
.feat_names = feature_name,
.cpuid_eax = 1, .cpuid_reg = R_EDX,
+ .tcg_features = TCG_FEATURES,
},
[FEAT_1_ECX] = {
.feat_names = ext_feature_name,
.cpuid_eax = 1, .cpuid_reg = R_ECX,
+ .tcg_features = TCG_EXT_FEATURES,
},
[FEAT_8000_0001_EDX] = {
.feat_names = ext2_feature_name,
.cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
+ .tcg_features = TCG_EXT2_FEATURES,
},
[FEAT_8000_0001_ECX] = {
.feat_names = ext3_feature_name,
.cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
+ .tcg_features = TCG_EXT3_FEATURES,
},
[FEAT_C000_0001_EDX] = {
.feat_names = ext4_feature_name,
.cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
+ .tcg_features = TCG_EXT4_FEATURES,
},
[FEAT_KVM] = {
.feat_names = kvm_feature_name,
.cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
+ .tcg_features = TCG_KVM_FEATURES,
},
[FEAT_SVM] = {
.feat_names = svm_feature_name,
.cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
+ .tcg_features = TCG_SVM_FEATURES,
},
[FEAT_7_0_EBX] = {
.feat_names = cpuid_7_0_ebx_feature_name,
.cpuid_eax = 7,
.cpuid_needs_ecx = true, .cpuid_ecx = 0,
.cpuid_reg = R_EBX,
+ .tcg_features = TCG_7_0_EBX_FEATURES,
+ },
+ [FEAT_8000_0007_EDX] = {
+ .feat_names = cpuid_apm_edx_feature_name,
+ .cpuid_eax = 0x80000007,
+ .cpuid_reg = R_EDX,
+ .tcg_features = TCG_APM_FEATURES,
+ .unmigratable_flags = CPUID_APM_INVTSC,
},
};
[FEAT_1_ECX] = CPUID_EXT_X2APIC,
};
+/* Features that are not added by default to any CPU model when KVM is enabled.
+ */
+static uint32_t kvm_default_unset_features[FEATURE_WORDS] = {
+ [FEAT_1_ECX] = CPUID_EXT_MONITOR,
+};
+
void x86_cpu_compat_disable_kvm_features(FeatureWord w, uint32_t features)
{
kvm_default_features[w] &= ~features;
}
+/*
+ * Returns the set of feature flags that are supported and migratable by
+ * QEMU, for a given FeatureWord.
+ */
+static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
+{
+ FeatureWordInfo *wi = &feature_word_info[w];
+ uint32_t r = 0;
+ int i;
+
+ for (i = 0; i < 32; i++) {
+ uint32_t f = 1U << i;
+ /* If the feature name is unknown, it is not supported by QEMU yet */
+ if (!wi->feat_names[i]) {
+ continue;
+ }
+ /* Skip features known to QEMU, but explicitly marked as unmigratable */
+ if (wi->unmigratable_flags & f) {
+ continue;
+ }
+ r |= f;
+ }
+ return r;
+}
+
void host_cpuid(uint32_t function, uint32_t count,
uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
{
bool cache_info_passthrough;
};
-#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
-#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
- CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
-#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
- CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
- CPUID_PSE36 | CPUID_FXSR)
-#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
-#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
- CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
- CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
- CPUID_PAE | CPUID_SEP | CPUID_APIC)
-
-#define TCG_FEATURES (CPUID_FP87 | 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_ACPI | CPUID_MMX | \
- CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
- /* partly implemented:
- CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
- CPUID_PSE36 (needed for Solaris) */
- /* missing:
- CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
-#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
- CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
- CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
- CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
- /* 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_XSAVE,
- CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
- CPUID_EXT_RDRAND */
-#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
- CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
- CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
- /* missing:
- CPUID_EXT2_PDPE1GB */
-#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
- CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
-#define TCG_SVM_FEATURES 0
-#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP \
- CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
- /* missing:
- CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
- CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
- CPUID_7_0_EBX_RDSEED */
-
static X86CPUDefinition builtin_x86_defs[] = {
{
.name = "qemu64",
.stepping = 3,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
.stepping = 3,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
- CPUID_EXT_SSE3,
+ CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
.features[FEAT_8000_0001_ECX] =
.stepping = 3,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
- CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
+ CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
.features[FEAT_8000_0001_ECX] =
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
- CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
- CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
+ CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
+ CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
.features[FEAT_8000_0001_ECX] =
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
- CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
- CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
- CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
- CPUID_EXT_SSE3,
+ CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
+ CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
+ CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
+ CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
- CPUID_EXT2_SYSCALL,
+ CPUID_EXT2_SYSCALL,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_LAHF_LM,
.xlevel = 0x8000000A,
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
- CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
- CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
- CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
- CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
- CPUID_EXT_PCID,
+ CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
+ CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
+ CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
+ CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
+ CPUID_EXT_PCID,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
- CPUID_EXT2_SYSCALL,
+ CPUID_EXT2_SYSCALL,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_LAHF_LM,
.features[FEAT_7_0_EBX] =
.xlevel = 0x8000000A,
.model_id = "Intel Core Processor (Haswell)",
},
+ {
+ .name = "Broadwell",
+ .level = 0xd,
+ .vendor = CPUID_VENDOR_INTEL,
+ .family = 6,
+ .model = 61,
+ .stepping = 2,
+ .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_FP87,
+ .features[FEAT_1_ECX] =
+ CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
+ CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
+ CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
+ CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
+ CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
+ CPUID_EXT_PCID,
+ .features[FEAT_8000_0001_EDX] =
+ CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
+ CPUID_EXT2_SYSCALL,
+ .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_BMI1 |
+ CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
+ CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
+ CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
+ CPUID_7_0_EBX_SMAP,
+ .xlevel = 0x8000000A,
+ .model_id = "Intel Core Processor (Broadwell)",
+ },
{
.name = "Opteron_G1",
.level = 5,
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
- CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
- CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
- CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
- CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
- CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
+ CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
+ CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
+ CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
+ CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
+ CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
.xlevel = 0x80000008,
.model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
},
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_CX16 | CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
- CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
- CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
- CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
- CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
- CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
- CPUID_EXT2_DE | CPUID_EXT2_FPU,
+ CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
+ CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
+ CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
+ CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
+ CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
+ CPUID_EXT2_DE | CPUID_EXT2_FPU,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
.xlevel = 0x80000008,
.stepping = 1,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
- CPUID_EXT_SSE3,
+ CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
- CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
- CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
- CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
- CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
- CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
- CPUID_EXT2_DE | CPUID_EXT2_FPU,
+ CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
+ CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
+ CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
+ CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
+ CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
+ CPUID_EXT2_DE | CPUID_EXT2_FPU,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
- CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
+ CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
.xlevel = 0x80000008,
.model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
},
.stepping = 2,
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
- CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
- CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
- CPUID_EXT_SSE3,
+ CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
+ CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
+ CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
- CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
- CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
- CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
- CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
- CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
- CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
+ CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
+ CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
+ CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
+ CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
+ CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
+ CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
- CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
- CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
- CPUID_EXT3_LAHF_LM,
+ CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
+ CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
+ CPUID_EXT3_LAHF_LM,
.xlevel = 0x8000001A,
.model_id = "AMD Opteron 62xx class CPU",
},
.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_FP87,
+ 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_FP87,
.features[FEAT_1_ECX] =
CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
- CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
- CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
- CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
+ CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
+ CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
+ CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
.features[FEAT_8000_0001_EDX] =
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
- CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
- CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
- CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
- CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
- CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
- CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
+ CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
+ CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
+ CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
+ CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
+ CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
+ CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
- CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
- CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
- CPUID_EXT3_LAHF_LM,
+ CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
+ CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
+ CPUID_EXT3_LAHF_LM,
.xlevel = 0x8000001A,
.model_id = "AMD Opteron 63xx class CPU",
},
static X86CPUDefinition host_cpudef;
+static Property host_x86_cpu_properties[] = {
+ DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
+ DEFINE_PROP_END_OF_LIST()
+};
+
/* class_init for the "host" CPU model
*
* This function may be called before KVM is initialized.
*/
static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
{
+ DeviceClass *dc = DEVICE_CLASS(oc);
X86CPUClass *xcc = X86_CPU_CLASS(oc);
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
/* level, xlevel, xlevel2, and the feature words are initialized on
* instance_init, because they require KVM to be initialized.
*/
+
+ dc->props = host_x86_cpu_properties;
}
+static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
+ bool migratable_only);
+
static void host_x86_cpu_initfn(Object *obj)
{
X86CPU *cpu = X86_CPU(obj);
env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
for (w = 0; w < FEATURE_WORDS; w++) {
- FeatureWordInfo *wi = &feature_word_info[w];
env->features[w] =
- kvm_arch_get_supported_cpuid(s, wi->cpuid_eax, wi->cpuid_ecx,
- wi->cpuid_reg);
+ x86_cpu_get_supported_feature_word(w, cpu->migratable);
}
object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
}
#endif
-static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask)
+static void report_unavailable_features(FeatureWord w, uint32_t mask)
{
+ FeatureWordInfo *f = &feature_word_info[w];
int i;
- for (i = 0; i < 32; ++i)
+ for (i = 0; i < 32; ++i) {
if (1 << i & mask) {
const char *reg = get_register_name_32(f->cpuid_reg);
assert(reg);
- fprintf(stderr, "warning: host doesn't support requested feature: "
+ fprintf(stderr, "warning: %s doesn't support requested feature: "
"CPUID.%02XH:%s%s%s [bit %d]\n",
+ kvm_enabled() ? "host" : "TCG",
f->cpuid_eax, reg,
f->feat_names[i] ? "." : "",
f->feat_names[i] ? f->feat_names[i] : "", i);
- break;
- }
- return 0;
-}
-
-/* Check if all requested cpu flags are making their way to the guest
- *
- * Returns 0 if all flags are supported by the host, non-zero otherwise.
- *
- * This function may be called only if KVM is enabled.
- */
-static int kvm_check_features_against_host(KVMState *s, X86CPU *cpu)
-{
- CPUX86State *env = &cpu->env;
- int rv = 0;
- FeatureWord w;
-
- assert(kvm_enabled());
-
- for (w = 0; w < FEATURE_WORDS; w++) {
- FeatureWordInfo *wi = &feature_word_info[w];
- uint32_t guest_feat = env->features[w];
- uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
- wi->cpuid_ecx,
- wi->cpuid_reg);
- uint32_t mask;
- for (mask = 1; mask; mask <<= 1) {
- if (guest_feat & mask && !(host_feat & mask)) {
- unavailable_host_feature(wi, mask);
- rv = 1;
- }
}
}
- return rv;
}
static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
{
X86CPU *cpu = X86_CPU(cs);
char *featurestr; /* Single 'key=value" string being parsed */
+ FeatureWord w;
/* Features to be added */
FeatureWordArray plus_features = { 0 };
/* Features to be removed */
numvalue = strtoul(val, &err, 0);
if (!*val || *err) {
- error_setg(&local_err, "bad numerical value %s", val);
- goto out;
+ error_setg(errp, "bad numerical value %s", val);
+ return;
}
if (numvalue < 0x80000000) {
error_report("xlevel value shall always be >= 0x80000000"
tsc_freq = strtosz_suffix_unit(val, &err,
STRTOSZ_DEFSUFFIX_B, 1000);
if (tsc_freq < 0 || *err) {
- error_setg(&local_err, "bad numerical value %s", val);
- goto out;
+ error_setg(errp, "bad numerical value %s", val);
+ return;
}
snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
object_property_parse(OBJECT(cpu), num, "tsc-frequency",
char num[32];
numvalue = strtoul(val, &err, 0);
if (!*val || *err) {
- error_setg(&local_err, "bad numerical value %s", val);
- goto out;
+ error_setg(errp, "bad numerical value %s", val);
+ return;
}
if (numvalue < min) {
error_report("hv-spinlocks value shall always be >= 0x%x"
}
if (local_err) {
error_propagate(errp, local_err);
- goto out;
+ return;
}
featurestr = strtok(NULL, ",");
}
- env->features[FEAT_1_EDX] |= plus_features[FEAT_1_EDX];
- env->features[FEAT_1_ECX] |= plus_features[FEAT_1_ECX];
- env->features[FEAT_8000_0001_EDX] |= plus_features[FEAT_8000_0001_EDX];
- env->features[FEAT_8000_0001_ECX] |= plus_features[FEAT_8000_0001_ECX];
- env->features[FEAT_C000_0001_EDX] |= plus_features[FEAT_C000_0001_EDX];
- env->features[FEAT_KVM] |= plus_features[FEAT_KVM];
- env->features[FEAT_SVM] |= plus_features[FEAT_SVM];
- env->features[FEAT_7_0_EBX] |= plus_features[FEAT_7_0_EBX];
- env->features[FEAT_1_EDX] &= ~minus_features[FEAT_1_EDX];
- env->features[FEAT_1_ECX] &= ~minus_features[FEAT_1_ECX];
- env->features[FEAT_8000_0001_EDX] &= ~minus_features[FEAT_8000_0001_EDX];
- env->features[FEAT_8000_0001_ECX] &= ~minus_features[FEAT_8000_0001_ECX];
- env->features[FEAT_C000_0001_EDX] &= ~minus_features[FEAT_C000_0001_EDX];
- env->features[FEAT_KVM] &= ~minus_features[FEAT_KVM];
- env->features[FEAT_SVM] &= ~minus_features[FEAT_SVM];
- env->features[FEAT_7_0_EBX] &= ~minus_features[FEAT_7_0_EBX];
-out:
- return;
+ for (w = 0; w < FEATURE_WORDS; w++) {
+ env->features[w] |= plus_features[w];
+ env->features[w] &= ~minus_features[w];
+ }
}
/* generate a composite string into buf of all cpuid names in featureset
return cpu_list;
}
-static void filter_features_for_kvm(X86CPU *cpu)
+static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
+ bool migratable_only)
+{
+ FeatureWordInfo *wi = &feature_word_info[w];
+ uint32_t r;
+
+ if (kvm_enabled()) {
+ r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
+ wi->cpuid_ecx,
+ wi->cpuid_reg);
+ } else if (tcg_enabled()) {
+ r = wi->tcg_features;
+ } else {
+ return ~0;
+ }
+ if (migratable_only) {
+ r &= x86_cpu_get_migratable_flags(w);
+ }
+ return r;
+}
+
+/*
+ * Filters CPU feature words based on host availability of each feature.
+ *
+ * Returns: 0 if all flags are supported by the host, non-zero otherwise.
+ */
+static int x86_cpu_filter_features(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
- KVMState *s = kvm_state;
FeatureWord w;
+ int rv = 0;
for (w = 0; w < FEATURE_WORDS; w++) {
- FeatureWordInfo *wi = &feature_word_info[w];
- uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
- wi->cpuid_ecx,
- wi->cpuid_reg);
+ uint32_t host_feat =
+ x86_cpu_get_supported_feature_word(w, cpu->migratable);
uint32_t requested_features = env->features[w];
env->features[w] &= host_feat;
cpu->filtered_features[w] = requested_features & ~env->features[w];
+ if (cpu->filtered_features[w]) {
+ if (cpu->check_cpuid || cpu->enforce_cpuid) {
+ report_unavailable_features(w, cpu->filtered_features[w]);
+ }
+ rv = 1;
+ }
}
+
+ return rv;
}
/* Load data from X86CPUDefinition
CPUX86State *env = &cpu->env;
const char *vendor;
char host_vendor[CPUID_VENDOR_SZ + 1];
+ FeatureWord w;
object_property_set_int(OBJECT(cpu), def->level, "level", errp);
object_property_set_int(OBJECT(cpu), def->family, "family", errp);
object_property_set_int(OBJECT(cpu), def->model, "model", errp);
object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
- env->features[FEAT_1_EDX] = def->features[FEAT_1_EDX];
- env->features[FEAT_1_ECX] = def->features[FEAT_1_ECX];
- env->features[FEAT_8000_0001_EDX] = def->features[FEAT_8000_0001_EDX];
- env->features[FEAT_8000_0001_ECX] = def->features[FEAT_8000_0001_ECX];
object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
- env->features[FEAT_KVM] = def->features[FEAT_KVM];
- env->features[FEAT_SVM] = def->features[FEAT_SVM];
- env->features[FEAT_C000_0001_EDX] = def->features[FEAT_C000_0001_EDX];
- env->features[FEAT_7_0_EBX] = def->features[FEAT_7_0_EBX];
env->cpuid_xlevel2 = def->xlevel2;
cpu->cache_info_passthrough = def->cache_info_passthrough;
-
object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
+ for (w = 0; w < FEATURE_WORDS; w++) {
+ env->features[w] = def->features[w];
+ }
/* Special cases not set in the X86CPUDefinition structs: */
if (kvm_enabled()) {
FeatureWord w;
for (w = 0; w < FEATURE_WORDS; w++) {
env->features[w] |= kvm_default_features[w];
+ env->features[w] &= ~kvm_default_unset_features[w];
}
}
(AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
(L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
break;
+ case 0x80000007:
+ *eax = 0;
+ *ebx = 0;
+ *ecx = 0;
+ *edx = env->features[FEAT_8000_0007_EDX];
+ break;
case 0x80000008:
/* virtual & phys address size in low 2 bytes. */
/* XXX: This value must match the one used in the MMU code. */
xcc->parent_reset(s);
-
- memset(env, 0, offsetof(CPUX86State, pat));
+ memset(env, 0, offsetof(CPUX86State, cpuid_level));
tlb_flush(s, 1);
cpu_breakpoint_remove_all(s, BP_CPU);
cpu_watchpoint_remove_all(s, BP_CPU);
- env->tsc_adjust = 0;
- env->tsc = 0;
+ env->xcr0 = 1;
#if !defined(CONFIG_USER_ONLY)
/* We hard-wire the BSP to the first CPU. */
}
s->halted = !cpu_is_bsp(cpu);
+
+ if (kvm_enabled()) {
+ kvm_arch_reset_vcpu(cpu);
+ }
#endif
}
& CPUID_EXT2_AMD_ALIASES);
}
- if (!kvm_enabled()) {
- env->features[FEAT_1_EDX] &= TCG_FEATURES;
- env->features[FEAT_1_ECX] &= TCG_EXT_FEATURES;
- env->features[FEAT_8000_0001_EDX] &= (TCG_EXT2_FEATURES
-#ifdef TARGET_X86_64
- | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
-#endif
- );
- env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES;
- env->features[FEAT_SVM] &= TCG_SVM_FEATURES;
- } else {
- KVMState *s = kvm_state;
- if ((cpu->check_cpuid || cpu->enforce_cpuid)
- && kvm_check_features_against_host(s, cpu) && cpu->enforce_cpuid) {
- error_setg(&local_err,
- "Host's CPU doesn't support requested features");
- goto out;
- }
- filter_features_for_kvm(cpu);
+
+ if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
+ error_setg(&local_err,
+ kvm_enabled() ?
+ "Host doesn't support requested features" :
+ "TCG doesn't support requested features");
+ goto out;
}
#ifndef CONFIG_USER_ONLY
DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, false),
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
+ DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
DEFINE_PROP_END_OF_LIST()
};
projects / mirror_qemu.git / blobdiff