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i386: Add spec-ctrl CPUID bit

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Add the feature name and a CPUID_7_0_EDX_SPEC_CTRL macro.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180109154519.25634-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2018-01-09 13:45:15 -02:00
parent a33a2cfe2f
commit a2381f0934
2 changed files with 2 additions and 1 deletions
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2
target/i386/cpu.c
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@ -459,7 +459,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "spec-ctrl", NULL,
NULL, NULL, NULL, NULL,
},
.cpuid_eax = 7,

1
target/i386/cpu.h
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@ -667,6 +667,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */
#define CPUID_XSAVE_XSAVEOPT (1U << 0)
#define CPUID_XSAVE_XSAVEC (1U << 1)