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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.

Backports commit 803d42fa65a371f7bb13180a5953299dc3a160e0 from qemu
This commit is contained in:
Eduardo Habkost 2018-03-05 12:36:28 -05:00 committed by Lioncash
parent 7cf98b1a6e
commit 7bee95ad28
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 2 additions and 1 deletions
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2
qemu/target/i386/cpu.c
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@ -334,7 +334,7 @@ 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,
},
7,

1
qemu/target/i386/cpu.h
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@ -640,6 +640,7 @@ 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)