mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 16:57:35 +00:00
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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@ -134,14 +134,167 @@ StringView cpu_feature_to_string_view(CPUFeature::Type const& feature)
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return "ia64"sv;
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if (feature == CPUFeature::PBE)
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return "pbe"sv;
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if (feature == CPUFeature::FSGSBASE)
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return "fsgsbase"sv;
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if (feature == CPUFeature::TSC_ADJUST)
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return "tsc_adjust"sv;
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if (feature == CPUFeature::SGX)
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return "sgx"sv;
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if (feature == CPUFeature::BMI1)
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return "bmi1"sv;
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if (feature == CPUFeature::HLE)
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return "hle"sv;
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if (feature == CPUFeature::AVX2)
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return "avx2"sv;
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if (feature == CPUFeature::FDP_EXCPTN_ONLY)
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return "fdp_excptn_only"sv;
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if (feature == CPUFeature::SMEP)
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return "smep"sv;
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if (feature == CPUFeature::BMI2)
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return "bmi2"sv;
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if (feature == CPUFeature::ERMS)
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return "erms"sv;
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if (feature == CPUFeature::INVPCID)
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return "invpcid"sv;
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if (feature == CPUFeature::RTM)
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return "rtm"sv;
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if (feature == CPUFeature::PQM)
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return "pqm"sv;
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if (feature == CPUFeature::ZERO_FCS_FDS)
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return "zero_fcs_fds"sv;
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if (feature == CPUFeature::MPX)
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return "mpx"sv;
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if (feature == CPUFeature::PQE)
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return "pqe"sv;
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if (feature == CPUFeature::AVX512_F)
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return "avx512_f"sv;
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if (feature == CPUFeature::AVX512_DQ)
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return "avx512_dq"sv;
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if (feature == CPUFeature::RDSEED)
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return "rdseed"sv;
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if (feature == CPUFeature::ADX)
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return "adx"sv;
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if (feature == CPUFeature::SMAP)
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return "smap"sv;
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if (feature == CPUFeature::AVX512_IFMA)
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return "avx512_ifma"sv;
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if (feature == CPUFeature::PCOMMIT)
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return "pcommit"sv;
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if (feature == CPUFeature::CLFLUSHOPT)
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return "clflushopt"sv;
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if (feature == CPUFeature::CLWB)
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return "clwb"sv;
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if (feature == CPUFeature::INTEL_PT)
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return "intel_pt"sv;
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if (feature == CPUFeature::AVX512_PF)
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return "avx512_pf"sv;
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if (feature == CPUFeature::AVX512_ER)
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return "avx512_er"sv;
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if (feature == CPUFeature::AVX512_CD)
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return "avx512_cd"sv;
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if (feature == CPUFeature::SHA)
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return "sha"sv;
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if (feature == CPUFeature::AVX512_BW)
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return "avx512_bw"sv;
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if (feature == CPUFeature::AVX512_VL)
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return "avx512_vl"sv;
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if (feature == CPUFeature::PREFETCHWT1)
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return "prefetchwt1"sv;
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if (feature == CPUFeature::AVX512_VBMI)
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return "avx512_vbmi"sv;
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if (feature == CPUFeature::UMIP)
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return "umip"sv;
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if (feature == CPUFeature::PKU)
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return "pku"sv;
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if (feature == CPUFeature::OSPKU)
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return "ospku"sv;
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if (feature == CPUFeature::WAITPKG)
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return "waitpkg"sv;
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if (feature == CPUFeature::AVX512_VBMI2)
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return "avx512_vbmi2"sv;
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if (feature == CPUFeature::CET_SS)
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return "cet_ss"sv;
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if (feature == CPUFeature::GFNI)
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return "gfni"sv;
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if (feature == CPUFeature::VAES)
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return "vaes"sv;
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if (feature == CPUFeature::VPCLMULQDQ)
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return "vpclmulqdq"sv;
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if (feature == CPUFeature::AVX512_VNNI)
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return "avx512_vnni"sv;
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if (feature == CPUFeature::AVX512_BITALG)
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return "avx512_bitalg"sv;
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if (feature == CPUFeature::TME_EN)
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return "tme_en"sv;
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if (feature == CPUFeature::AVX512_VPOPCNTDQ)
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return "avx512_vpopcntdq"sv;
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if (feature == CPUFeature::INTEL_5_LEVEL_PAGING)
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return "intel_5_level_paging"sv;
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if (feature == CPUFeature::RDPID)
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return "rdpid"sv;
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if (feature == CPUFeature::KL)
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return "kl"sv;
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if (feature == CPUFeature::CLDEMOTE)
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return "cldemote"sv;
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if (feature == CPUFeature::MOVDIRI)
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return "movdiri"sv;
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if (feature == CPUFeature::MOVDIR64B)
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return "movdir64b"sv;
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if (feature == CPUFeature::ENQCMD)
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return "enqcmd"sv;
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if (feature == CPUFeature::SGX_LC)
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return "sgx_lc"sv;
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if (feature == CPUFeature::PKS)
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return "pks"sv;
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if (feature == CPUFeature::AVX512_4VNNIW)
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return "avx512_4vnniw"sv;
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if (feature == CPUFeature::AVX512_4FMAPS)
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return "avx512_4fmaps"sv;
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if (feature == CPUFeature::FSRM)
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return "fsrm"sv;
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if (feature == CPUFeature::AVX512_VP2INTERSECT)
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return "avx512_vp2intersect"sv;
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if (feature == CPUFeature::SRBDS_CTRL)
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return "srbds_ctrl"sv;
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if (feature == CPUFeature::MD_CLEAR)
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return "md_clear"sv;
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if (feature == CPUFeature::RTM_ALWAYS_ABORT)
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return "rtm_always_abort"sv;
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if (feature == CPUFeature::TSX_FORCE_ABORT)
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return "tsx_force_abort"sv;
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if (feature == CPUFeature::SERIALIZE)
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return "serialize"sv;
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if (feature == CPUFeature::HYBRID)
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return "hybrid"sv;
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if (feature == CPUFeature::TSXLDTRK)
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return "tsxldtrk"sv;
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if (feature == CPUFeature::PCONFIG)
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return "pconfig"sv;
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if (feature == CPUFeature::LBR)
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return "lbr"sv;
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if (feature == CPUFeature::CET_IBT)
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return "cet_ibt"sv;
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if (feature == CPUFeature::AMX_BF16)
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return "amx_bf16"sv;
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if (feature == CPUFeature::AVX512_FP16)
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return "avx512_fp16"sv;
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if (feature == CPUFeature::AMX_TILE)
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return "amx_tile"sv;
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if (feature == CPUFeature::AMX_INT8)
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return "amx_int8"sv;
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if (feature == CPUFeature::SPEC_CTRL)
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return "spec_ctrl"sv;
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if (feature == CPUFeature::STIBP)
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return "stibp"sv;
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// NOTE: This is called flush_l1d on Linux, but L1D_FLUSH in the Intel manual.
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if (feature == CPUFeature::L1D_FLUSH)
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return "l1d_flush"sv;
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if (feature == CPUFeature::IA32_ARCH_CAPABILITIES)
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return "ia32_arch_capabilities"sv;
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if (feature == CPUFeature::IA32_CORE_CAPABILITIES)
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return "ia32_code_capabilities"sv;
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if (feature == CPUFeature::SSBD)
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return "ssbd"sv;
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if (feature == CPUFeature::SYSCALL)
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return "syscall"sv;
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if (feature == CPUFeature::NX)
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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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