diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/cpu.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 94b1ba0cf1..b2a20365e1 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6154,6 +6154,8 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, case 7: /* Structured Extended Feature Flags Enumeration Leaf */ if (count == 0) { + uint32_t eax_0_unused, ebx_0, ecx_0, edx_0_unused; + /* Maximum ECX value for sub-leaves */ *eax = env->cpuid_level_func7; *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */ @@ -6168,17 +6170,15 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, * support enabling SGX and/or SGX flexible launch control, * then we need to update the VM's CPUID values accordingly. */ - if ((*ebx & CPUID_7_0_EBX_SGX) && - (!kvm_enabled() || - !(kvm_arch_get_supported_cpuid(cs->kvm_state, 0x7, 0, R_EBX) & - CPUID_7_0_EBX_SGX))) { + x86_cpu_get_supported_cpuid(0x7, 0, + &eax_0_unused, &ebx_0, + &ecx_0, &edx_0_unused); + if ((*ebx & CPUID_7_0_EBX_SGX) && !(ebx_0 & CPUID_7_0_EBX_SGX)) { *ebx &= ~CPUID_7_0_EBX_SGX; } - if ((*ecx & CPUID_7_0_ECX_SGX_LC) && - (!(*ebx & CPUID_7_0_EBX_SGX) || !kvm_enabled() || - !(kvm_arch_get_supported_cpuid(cs->kvm_state, 0x7, 0, R_ECX) & - CPUID_7_0_ECX_SGX_LC))) { + if ((*ecx & CPUID_7_0_ECX_SGX_LC) + && (!(*ebx & CPUID_7_0_EBX_SGX) || !(ecx_0 & CPUID_7_0_ECX_SGX_LC))) { *ecx &= ~CPUID_7_0_ECX_SGX_LC; } } else if (count == 1) { @@ -7150,14 +7150,14 @@ static void x86_cpu_filter_features(X86CPU *cpu, bool verbose) mark_unavailable_features(cpu, w, unavailable_features, prefix); } - if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT) && - kvm_enabled()) { - KVMState *s = CPU(cpu)->kvm_state; - uint32_t eax_0 = kvm_arch_get_supported_cpuid(s, 0x14, 0, R_EAX); - uint32_t ebx_0 = kvm_arch_get_supported_cpuid(s, 0x14, 0, R_EBX); - uint32_t ecx_0 = kvm_arch_get_supported_cpuid(s, 0x14, 0, R_ECX); - uint32_t eax_1 = kvm_arch_get_supported_cpuid(s, 0x14, 1, R_EAX); - uint32_t ebx_1 = kvm_arch_get_supported_cpuid(s, 0x14, 1, R_EBX); + if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT) { + uint32_t eax_0, ebx_0, ecx_0, edx_0_unused; + uint32_t eax_1, ebx_1, ecx_1_unused, edx_1_unused; + + x86_cpu_get_supported_cpuid(0x14, 0, + &eax_0, &ebx_0, &ecx_0, &edx_0_unused); + x86_cpu_get_supported_cpuid(0x14, 1, + &eax_1, &ebx_1, &ecx_1_unused, &edx_1_unused); if (!eax_0 || ((ebx_0 & INTEL_PT_MINIMAL_EBX) != INTEL_PT_MINIMAL_EBX) || |