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Diffstat (limited to 'target-i386/cpu.c')
-rw-r--r--target-i386/cpu.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 36b07f99aa..b4f9461969 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -286,6 +286,17 @@ static const char *cpuid_xsave_feature_name[] = {
NULL, NULL, NULL, NULL,
};
+static const char *cpuid_6_feature_name[] = {
+ NULL, NULL, "arat", 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, 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)
@@ -341,6 +352,7 @@ static const char *cpuid_xsave_feature_name[] = {
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
+#define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
typedef struct FeatureWordInfo {
@@ -410,6 +422,11 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.cpuid_reg = R_EAX,
.tcg_features = 0,
},
+ [FEAT_6_EAX] = {
+ .feat_names = cpuid_6_feature_name,
+ .cpuid_eax = 6, .cpuid_reg = R_EAX,
+ .tcg_features = TCG_6_EAX_FEATURES,
+ },
};
typedef struct X86RegisterInfo32 {
@@ -1003,6 +1020,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
.features[FEAT_8000_0001_ECX] =
CPUID_EXT3_LAHF_LM,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
},
@@ -1032,6 +1051,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_EXT3_LAHF_LM,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Xeon E312xx (Sandy Bridge)",
},
@@ -1064,6 +1085,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_EXT3_LAHF_LM,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)",
},
@@ -1098,6 +1121,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Core Processor (Haswell, no TSX)",
}, {
@@ -1132,6 +1157,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_7_0_EBX_RTM,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Core Processor (Haswell)",
},
@@ -1168,6 +1195,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_7_0_EBX_SMAP,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Core Processor (Broadwell, no TSX)",
},
@@ -1204,6 +1233,8 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_7_0_EBX_SMAP,
.features[FEAT_XSAVE] =
CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
.xlevel = 0x8000000A,
.model_id = "Intel Core Processor (Broadwell)",
},
@@ -2359,7 +2390,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
break;
case 6:
/* Thermal and Power Leaf */
- *eax = 0;
+ *eax = env->features[FEAT_6_EAX];
*ebx = 0;
*ecx = 0;
*edx = 0;