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| author | Richard Henderson <rth@twiddle.net> | 2015-11-18 12:55:47 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-02-15 14:50:00 +1100 |
| commit | 07929f2ab2ab9c9e01d4ae79f48f2b2476b715c8 (patch) | |
| tree | 5df97c0cda565f1a3156b6dd6c60a8ea0902cf30 /target-i386/cpu.c | |
| parent | a114d25d5b42600871d75929604c0b9fcc448ec0 (diff) | |
| download | qemu-07929f2ab2ab9c9e01d4ae79f48f2b2476b715c8.tar.gz | |
target-i386: Implement FSGSBASE
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/cpu.c')
| -rw-r--r-- | target-i386/cpu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 063c8fb337..0af43a3ae1 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -358,9 +358,9 @@ static const char *cpuid_6_feature_name[] = { #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \ CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \ CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \ - CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX) + CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE) /* missing: - CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2, + CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2, CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM, CPUID_7_0_EBX_RDSEED */ #define TCG_7_0_ECX_FEATURES 0 @@ -2730,6 +2730,9 @@ static void x86_cpu_reset(CPUState *s) if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) { cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK; } + if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) { + cr4 |= CR4_FSGSBASE_MASK; + } #endif env->xcr0 = xcr0; |