qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PULL 2/4] i386: Add macro for stibp


From: Eduardo Habkost
Subject: [PULL 2/4] i386: Add macro for stibp
Date: Mon, 16 Dec 2019 16:38:23 -0300

From: Cathy Zhang <address@hidden>

stibp feature is already added through the following commit.
https://github.com/qemu/qemu/commit/0e8916582991b9fd0b94850a8444b8b80d0a0955

Add a macro for it to allow CPU models to report it when host supports.

Signed-off-by: Cathy Zhang <address@hidden>
Reviewed-by: Xiaoyao Li <address@hidden>
Reviewed-by: Tao Xu <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
---
 target/i386/cpu.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 39d37e1225..af282936a7 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -771,6 +771,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
 /* Speculation Control */
 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
+/* Single Thread Indirect Branch Predictors */
+#define CPUID_7_0_EDX_STIBP             (1U << 27)
 /* Arch Capabilities */
 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
 /* Core Capability */
-- 
2.23.0




reply via email to

[Prev in Thread] Current Thread [Next in Thread]