The CPUX86State::full_cpuid_auto_level boolean was only disabled for the pc-q35-2.7 and pc-i440fx-2.7 machines, which got removed. Being now always %true, we can remove it and simplify x86_cpu_expand_features().
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- target/i386/cpu.h | 3 -- target/i386/cpu.c | 106 ++++++++++++++++++++++------------------------ 2 files changed, 51 insertions(+), 58 deletions(-) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 7585407da54..b5cbd91c156 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -2241,9 +2241,6 @@ struct ArchCPU { */ bool legacy_multi_node; - /* Enable auto level-increase for all CPUID leaves */ - bool full_cpuid_auto_level; - /* Only advertise CPUID leaves defined by the vendor */ bool vendor_cpuid_only; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index fb505d13122..6b9a1f2251a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7843,68 +7843,65 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp) /* CPUID[EAX=7,ECX=0].EBX always increased level automatically: */ x86_cpu_adjust_feat_level(cpu, FEAT_7_0_EBX); - if (cpu->full_cpuid_auto_level) { - x86_cpu_adjust_feat_level(cpu, FEAT_1_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_1_ECX); - x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX); - x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX); - x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EAX); - x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_7_2_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX); - x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_8000_0008_EBX); - x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX); - x86_cpu_adjust_feat_level(cpu, FEAT_SVM); - x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE); + x86_cpu_adjust_feat_level(cpu, FEAT_1_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_1_ECX); + x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX); + x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX); + x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EAX); + x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_7_2_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX); + x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_8000_0008_EBX); + x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX); + x86_cpu_adjust_feat_level(cpu, FEAT_SVM); + x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE); - /* Intel Processor Trace requires CPUID[0x14] */ - if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT)) { - if (cpu->intel_pt_auto_level) { - x86_cpu_adjust_level(cpu, &cpu->env.cpuid_min_level, 0x14); - } else if (cpu->env.cpuid_min_level < 0x14) { - mark_unavailable_features(cpu, FEAT_7_0_EBX, - CPUID_7_0_EBX_INTEL_PT, - "Intel PT need CPUID leaf 0x14, please set by \"-cpu ...,intel-pt=on,min-level=0x14\""); - } + /* Intel Processor Trace requires CPUID[0x14] */ + if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT)) { + if (cpu->intel_pt_auto_level) { + x86_cpu_adjust_level(cpu, &cpu->env.cpuid_min_level, 0x14); + } else if (cpu->env.cpuid_min_level < 0x14) { + mark_unavailable_features(cpu, FEAT_7_0_EBX, CPUID_7_0_EBX_INTEL_PT, + "Intel PT need CPUID leaf 0x14, please set by \"-cpu ...,intel-pt=on,min-level=0x14\""); } + } - /* - * Intel CPU topology with multi-dies support requires CPUID[0x1F]. - * For AMD Rome/Milan, cpuid level is 0x10, and guest OS should detect - * extended toplogy by leaf 0xB. Only adjust it for Intel CPU, unless - * cpu->vendor_cpuid_only has been unset for compatibility with older - * machine types. - */ - if (x86_has_extended_topo(env->avail_cpu_topo) && - (IS_INTEL_CPU(env) || !cpu->vendor_cpuid_only)) { - x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x1F); - } + /* + * Intel CPU topology with multi-dies support requires CPUID[0x1F]. + * For AMD Rome/Milan, cpuid level is 0x10, and guest OS should detect + * extended toplogy by leaf 0xB. Only adjust it for Intel CPU, unless + * cpu->vendor_cpuid_only has been unset for compatibility with older + * machine types. + */ + if (x86_has_extended_topo(env->avail_cpu_topo) && + (IS_INTEL_CPU(env) || !cpu->vendor_cpuid_only)) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x1F); + } - /* Advanced Vector Extensions 10 (AVX10) requires CPUID[0x24] */ - if (env->features[FEAT_7_1_EDX] & CPUID_7_1_EDX_AVX10) { - x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x24); - } + /* Advanced Vector Extensions 10 (AVX10) requires CPUID[0x24] */ + if (env->features[FEAT_7_1_EDX] & CPUID_7_1_EDX_AVX10) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x24); + } - /* SVM requires CPUID[0x8000000A] */ - if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) { - x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A); - } + /* SVM requires CPUID[0x8000000A] */ + if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A); + } - /* SEV requires CPUID[0x8000001F] */ - if (sev_enabled()) { - x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); - } + /* SEV requires CPUID[0x8000001F] */ + if (sev_enabled()) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); + } - if (env->features[FEAT_8000_0021_EAX]) { - x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x80000021); - } + if (env->features[FEAT_8000_0021_EAX]) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x80000021); + } - /* 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); - } + /* 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 */ @@ -8820,7 +8817,6 @@ static const Property x86_cpu_properties[] = { DEFINE_PROP_UINT32("min-xlevel2", X86CPU, env.cpuid_min_xlevel2, 0), DEFINE_PROP_UINT8("avx10-version", X86CPU, env.avx10_version, 0), DEFINE_PROP_UINT64("ucode-rev", X86CPU, ucode_rev, 0), - DEFINE_PROP_BOOL("full-cpuid-auto-level", X86CPU, full_cpuid_auto_level, true), DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor), DEFINE_PROP_BOOL("x-vendor-cpuid-only", X86CPU, vendor_cpuid_only, true), DEFINE_PROP_BOOL("x-amd-topoext-features-only", X86CPU, amd_topoext_features_only, true), -- 2.47.1