diff options
| author | Cathy Zhang <cathy.zhang@intel.com> | 2019-10-22 15:35:27 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-12-13 16:32:19 -0300 |
| commit | 5af514d0cb314f43bc53f2aefb437f6451d64d0c (patch) | |
| tree | 80ca4483f1443400976b58082c5672181a8de49f /target | |
| parent | 77b168d221191156c47fcd8d1c47329dfdb9439e (diff) | |
i386: Add macro for stibp
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/cpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
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 */ |