diff mbox series

[PULL,5/8] i386: Add spec-ctrl CPUID bit

Message ID 20180118020157.25401-6-ehabkost@redhat.com
State New
Headers show
Series x86 queue, 2018-01-17 | expand

Commit Message

Eduardo Habkost Jan. 18, 2018, 2:01 a.m. UTC 
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>
---
 target/i386/cpu.h | 1 +
 target/i386/cpu.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 10264b2e31..d7bae242cd 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -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)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 0e26fa4ea7..7f815458a5 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -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,