42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Tue, 9 Jan 2018 13:45:15 -0200
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Subject: [PATCH] i386: Add spec-ctrl CPUID bit
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Add the feature name and a CPUID_7_0_EDX_SPEC_CTRL macro.
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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---
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target/i386/cpu.c | 2 +-
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target/i386/cpu.h | 1 +
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2 files changed, 2 insertions(+), 1 deletion(-)
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diff --git a/target/i386/cpu.c b/target/i386/cpu.c
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index c673521016..faf1ff6dcc 100644
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--- a/target/i386/cpu.c
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+++ b/target/i386/cpu.c
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@@ -460,7 +460,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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- NULL, NULL, NULL, NULL,
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+ NULL, NULL, "spec-ctrl", NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 7,
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diff --git a/target/i386/cpu.h b/target/i386/cpu.h
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index cc322d6b39..71261f4819 100644
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--- a/target/i386/cpu.h
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+++ b/target/i386/cpu.h
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@@ -640,6 +640,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
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#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
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#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
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+#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */
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#define CPUID_XSAVE_XSAVEOPT (1U << 0)
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#define CPUID_XSAVE_XSAVEC (1U << 1)
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--
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2.11.0
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