projects / pve-qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 3dcc8d3b WB |
1 | From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| 2 | From: Eduardo Habkost <ehabkost@redhat.com> | |
| 3 | Date: Tue, 9 Jan 2018 13:45:15 -0200 | |
| 4 | Subject: [PATCH] i386: Add spec-ctrl CPUID bit | |
| 5 | ||
| 6 | Add the feature name and a CPUID_7_0_EDX_SPEC_CTRL macro. | |
| 7 | ||
| 8 | Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> | |
| 9 | --- | |
| 10 | target/i386/cpu.c | 2 +- | |
| 11 | target/i386/cpu.h | 1 + | |
| 12 | 2 files changed, 2 insertions(+), 1 deletion(-) | |
| 13 | ||
| 14 | diff --git a/target/i386/cpu.c b/target/i386/cpu.c | |
| 15 | index c673521016..faf1ff6dcc 100644 | |
| 16 | --- a/target/i386/cpu.c | |
| 17 | +++ b/target/i386/cpu.c | |
| 18 | @@ -460,7 +460,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { | |
| 19 | NULL, NULL, NULL, NULL, | |
| 20 | NULL, NULL, NULL, NULL, | |
| 21 | NULL, NULL, NULL, NULL, | |
| 22 | - NULL, NULL, NULL, NULL, | |
| 23 | + NULL, NULL, "spec-ctrl", NULL, | |
| 24 | NULL, NULL, NULL, NULL, | |
| 25 | }, | |
| 26 | .cpuid_eax = 7, | |
| 27 | diff --git a/target/i386/cpu.h b/target/i386/cpu.h | |
| 28 | index cc322d6b39..71261f4819 100644 | |
| 29 | --- a/target/i386/cpu.h | |
| 30 | +++ b/target/i386/cpu.h | |
| 31 | @@ -640,6 +640,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS]; | |
| 32 | ||
| 33 | #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */ | |
| 34 | #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */ | |
| 35 | +#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */ | |
| 36 | ||
| 37 | #define CPUID_XSAVE_XSAVEOPT (1U << 0) | |
| 38 | #define CPUID_XSAVE_XSAVEC (1U << 1) | |
| 39 | -- | |
| 40 | 2.11.0 | |
| 41 |