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https://github.com/RGBCube/serenity
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Kernel: Support all Intel-defined extended CPUID feature flags for EAX=7
We're now able to detect all the extended CPUID feature flags from EBX/ECX/EDX for EAX=7 :^)
This commit is contained in:
Linus Groh
Andreas Kling
parent
6ca03b915e
commit
96e6420d8d
3 changed files with 405 additions and 12 deletions
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@ -212,14 +212,169 @@ UNMAP_AFTER_INIT void Processor::cpu_detect()
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m_features |= CPUFeature::PBE;
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CPUID extended_features(0x7);
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if (extended_features.ebx() & (1 << 0))
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m_features |= CPUFeature::FSGSBASE;
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if (extended_features.ebx() & (1 << 1))
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m_features |= CPUFeature::TSC_ADJUST;
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if (extended_features.ebx() & (1 << 2))
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m_features |= CPUFeature::SGX;
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if (extended_features.ebx() & (1 << 3))
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m_features |= CPUFeature::BMI1;
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if (extended_features.ebx() & (1 << 4))
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m_features |= CPUFeature::HLE;
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if (extended_features.ebx() & (1 << 5))
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m_features |= CPUFeature::AVX2;
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if (extended_features.ebx() & (1 << 6))
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m_features |= CPUFeature::FDP_EXCPTN_ONLY;
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if (extended_features.ebx() & (1 << 7))
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m_features |= CPUFeature::SMEP;
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if (extended_features.ebx() & (1 << 8))
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m_features |= CPUFeature::BMI2;
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if (extended_features.ebx() & (1 << 9))
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m_features |= CPUFeature::ERMS;
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if (extended_features.ebx() & (1 << 10))
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m_features |= CPUFeature::INVPCID;
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if (extended_features.ebx() & (1 << 11))
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m_features |= CPUFeature::RTM;
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if (extended_features.ebx() & (1 << 12))
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m_features |= CPUFeature::PQM;
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if (extended_features.ebx() & (1 << 13))
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m_features |= CPUFeature::ZERO_FCS_FDS;
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if (extended_features.ebx() & (1 << 14))
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m_features |= CPUFeature::MPX;
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if (extended_features.ebx() & (1 << 15))
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m_features |= CPUFeature::PQE;
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if (extended_features.ebx() & (1 << 16))
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m_features |= CPUFeature::AVX512_F;
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if (extended_features.ebx() & (1 << 17))
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m_features |= CPUFeature::AVX512_DQ;
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if (extended_features.ebx() & (1 << 18))
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m_features |= CPUFeature::RDSEED;
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if (extended_features.ebx() & (1 << 19))
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m_features |= CPUFeature::ADX;
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if (extended_features.ebx() & (1 << 20))
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m_features |= CPUFeature::SMAP;
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if (extended_features.ebx() & (1 << 21))
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m_features |= CPUFeature::AVX512_IFMA;
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if (extended_features.ebx() & (1 << 22))
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m_features |= CPUFeature::PCOMMIT;
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if (extended_features.ebx() & (1 << 23))
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m_features |= CPUFeature::CLFLUSHOPT;
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if (extended_features.ebx() & (1 << 24))
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m_features |= CPUFeature::CLWB;
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if (extended_features.ebx() & (1 << 25))
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m_features |= CPUFeature::INTEL_PT;
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if (extended_features.ebx() & (1 << 26))
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m_features |= CPUFeature::AVX512_PF;
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if (extended_features.ebx() & (1 << 27))
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m_features |= CPUFeature::AVX512_ER;
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if (extended_features.ebx() & (1 << 28))
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m_features |= CPUFeature::AVX512_CD;
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if (extended_features.ebx() & (1 << 29))
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m_features |= CPUFeature::SHA;
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if (extended_features.ebx() & (1 << 30))
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m_features |= CPUFeature::AVX512_BW;
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if (extended_features.ebx() & (1 << 31))
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m_features |= CPUFeature::AVX512_VL;
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if (extended_features.ecx() & (1 << 0))
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m_features |= CPUFeature::PREFETCHWT1;
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if (extended_features.ecx() & (1 << 1))
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m_features |= CPUFeature::AVX512_VBMI;
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if (extended_features.ecx() & (1 << 2))
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m_features |= CPUFeature::UMIP;
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if (extended_features.ecx() & (1 << 3))
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m_features |= CPUFeature::PKU;
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if (extended_features.ecx() & (1 << 4))
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m_features |= CPUFeature::OSPKU;
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if (extended_features.ecx() & (1 << 5))
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m_features |= CPUFeature::WAITPKG;
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if (extended_features.ecx() & (1 << 6))
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m_features |= CPUFeature::AVX512_VBMI2;
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if (extended_features.ecx() & (1 << 7))
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m_features |= CPUFeature::CET_SS;
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if (extended_features.ecx() & (1 << 8))
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m_features |= CPUFeature::GFNI;
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if (extended_features.ecx() & (1 << 9))
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m_features |= CPUFeature::VAES;
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if (extended_features.ecx() & (1 << 10))
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m_features |= CPUFeature::VPCLMULQDQ;
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if (extended_features.ecx() & (1 << 11))
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m_features |= CPUFeature::AVX512_VNNI;
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if (extended_features.ecx() & (1 << 12))
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m_features |= CPUFeature::AVX512_BITALG;
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if (extended_features.ecx() & (1 << 13))
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m_features |= CPUFeature::TME_EN;
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if (extended_features.ecx() & (1 << 14))
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m_features |= CPUFeature::AVX512_VPOPCNTDQ;
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if (extended_features.ecx() & (1 << 16))
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m_features |= CPUFeature::INTEL_5_LEVEL_PAGING;
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if (extended_features.ecx() & (1 << 22))
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m_features |= CPUFeature::RDPID;
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if (extended_features.ecx() & (1 << 23))
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m_features |= CPUFeature::KL;
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if (extended_features.ecx() & (1 << 25))
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m_features |= CPUFeature::CLDEMOTE;
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if (extended_features.ecx() & (1 << 27))
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m_features |= CPUFeature::MOVDIRI;
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if (extended_features.ecx() & (1 << 28))
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m_features |= CPUFeature::MOVDIR64B;
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if (extended_features.ecx() & (1 << 29))
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m_features |= CPUFeature::ENQCMD;
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if (extended_features.ecx() & (1 << 30))
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m_features |= CPUFeature::SGX_LC;
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if (extended_features.ecx() & (1 << 31))
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m_features |= CPUFeature::PKS;
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if (extended_features.edx() & (1 << 2))
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m_features |= CPUFeature::AVX512_4VNNIW;
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if (extended_features.edx() & (1 << 3))
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m_features |= CPUFeature::AVX512_4FMAPS;
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if (extended_features.edx() & (1 << 4))
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m_features |= CPUFeature::FSRM;
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if (extended_features.edx() & (1 << 8))
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m_features |= CPUFeature::AVX512_VP2INTERSECT;
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if (extended_features.edx() & (1 << 9))
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m_features |= CPUFeature::SRBDS_CTRL;
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if (extended_features.edx() & (1 << 10))
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m_features |= CPUFeature::MD_CLEAR;
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if (extended_features.edx() & (1 << 11))
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m_features |= CPUFeature::RTM_ALWAYS_ABORT;
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if (extended_features.edx() & (1 << 13))
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m_features |= CPUFeature::TSX_FORCE_ABORT;
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if (extended_features.edx() & (1 << 14))
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m_features |= CPUFeature::SERIALIZE;
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if (extended_features.edx() & (1 << 15))
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m_features |= CPUFeature::HYBRID;
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if (extended_features.edx() & (1 << 16))
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m_features |= CPUFeature::TSXLDTRK;
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if (extended_features.edx() & (1 << 18))
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m_features |= CPUFeature::PCONFIG;
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if (extended_features.edx() & (1 << 19))
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m_features |= CPUFeature::LBR;
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if (extended_features.edx() & (1 << 20))
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m_features |= CPUFeature::CET_IBT;
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if (extended_features.edx() & (1 << 22))
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m_features |= CPUFeature::AMX_BF16;
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if (extended_features.edx() & (1 << 23))
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m_features |= CPUFeature::AVX512_FP16;
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if (extended_features.edx() & (1 << 24))
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m_features |= CPUFeature::AMX_TILE;
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if (extended_features.edx() & (1 << 25))
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m_features |= CPUFeature::AMX_INT8;
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if (extended_features.edx() & (1 << 26))
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m_features |= CPUFeature::SPEC_CTRL;
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if (extended_features.edx() & (1 << 27))
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m_features |= CPUFeature::STIBP;
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if (extended_features.edx() & (1 << 28))
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m_features |= CPUFeature::L1D_FLUSH;
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if (extended_features.edx() & (1 << 29))
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m_features |= CPUFeature::IA32_ARCH_CAPABILITIES;
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if (extended_features.edx() & (1 << 30))
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m_features |= CPUFeature::IA32_CORE_CAPABILITIES;
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if (extended_features.edx() & (1 << 31))
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m_features |= CPUFeature::SSBD;
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u32 max_extended_leaf = CPUID(0x80000000).eax();
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