From: Cathy Zhang <cathy.zhang@intel.com>
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 <cathy.zhang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <1571729728-23284-3-git-send-email-cathy.zhang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
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