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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2021-07-19 19:21:18 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 14:50:20 +0200 |
| commit | dca6cffc550a3243ba8d106dd02b411342e58782 (patch) | |
| tree | bfb611a85a78dbdeead6cc41f28bd4a8bde5cde1 /target/i386/cpu.c | |
| parent | b9edbadefb9ecbb1b1754c86ba7d1d7ce3e876aa (diff) | |
| download | focaccia-qemu-dca6cffc550a3243ba8d106dd02b411342e58782.tar.gz focaccia-qemu-dca6cffc550a3243ba8d106dd02b411342e58782.zip | |
Adjust min CPUID level to 0x12 when SGX is enabled
SGX capabilities are enumerated through CPUID_0x12. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20210719112136.57018-16-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/cpu.c')
| -rw-r--r-- | target/i386/cpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index de58599a3d..cacec605bf 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6154,6 +6154,11 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp) if (sev_enabled()) { x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); } + + /* SGX requires CPUID[0x12] for EPC enumeration */ + if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SGX) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x12); + } } /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set */ |