/* This file is part of the GNU C Library. Copyright (C) 2008-2019 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef cpu_features_h #define cpu_features_h enum { /* The integer bit array index for the first set of internal feature bits. */ FEATURE_INDEX_1 = 0, FEATURE_INDEX_2, /* The current maximum size of the feature integer bit array. */ FEATURE_INDEX_MAX }; enum { COMMON_CPUID_INDEX_1 = 0, COMMON_CPUID_INDEX_7, COMMON_CPUID_INDEX_80000001, COMMON_CPUID_INDEX_D_ECX_1, COMMON_CPUID_INDEX_80000007, COMMON_CPUID_INDEX_80000008, /* Keep the following line at the end. */ COMMON_CPUID_INDEX_MAX }; struct cpuid_registers { unsigned int eax; unsigned int ebx; unsigned int ecx; unsigned int edx; }; enum cpu_features_kind { arch_kind_unknown = 0, arch_kind_intel, arch_kind_amd, arch_kind_other }; struct cpu_features_basic { enum cpu_features_kind kind; int max_cpuid; unsigned int family; unsigned int model; unsigned int stepping; }; struct cpu_features { struct cpuid_registers cpuid[COMMON_CPUID_INDEX_MAX]; unsigned int feature[FEATURE_INDEX_MAX]; struct cpu_features_basic basic; /* The state size for XSAVEC or XSAVE. The type must be unsigned long int so that we use sub xsave_state_size_offset(%rip) %RSP_LP in _dl_runtime_resolve. */ unsigned long int xsave_state_size; /* The full state size for XSAVE when XSAVEC is disabled by GLIBC_TUNABLES=glibc.cpu.hwcaps=-XSAVEC_Usable */ unsigned int xsave_state_full_size; /* Data cache size for use in memory and string routines, typically L1 size. */ unsigned long int data_cache_size; /* Shared cache size for use in memory and string routines, typically L2 or L3 size. */ unsigned long int shared_cache_size; /* Threshold to use non temporal store. */ unsigned long int non_temporal_threshold; }; /* Used from outside of glibc to get access to the CPU features structure. */ extern const struct cpu_features *__get_cpu_features (void) __attribute__ ((const)); /* Only used directly in cpu-features.c. */ # define CPU_FEATURES_CPU_P(ptr, name) \ ((ptr->cpuid[index_cpu_##name].reg_##name & (bit_cpu_##name)) != 0) # define CPU_FEATURES_ARCH_P(ptr, name) \ ((ptr->feature[index_arch_##name] & (bit_arch_##name)) != 0) /* HAS_CPU_FEATURE evaluates to true if CPU supports the feature. */ #define HAS_CPU_FEATURE(name) \ CPU_FEATURES_CPU_P (__get_cpu_features (), name) /* HAS_ARCH_FEATURE evaluates to true if we may use the feature at runtime. */ # define HAS_ARCH_FEATURE(name) \ CPU_FEATURES_ARCH_P (__get_cpu_features (), name) /* CPU_FEATURE_USABLE evaluates to true if the feature is usable. */ #define CPU_FEATURE_USABLE(name) \ ((need_arch_feature_##name && HAS_ARCH_FEATURE (name##_Usable)) \ || (!need_arch_feature_##name && HAS_CPU_FEATURE(name))) /* Architecture features. */ /* FEATURE_INDEX_1. */ #define bit_arch_AVX_Usable (1u << 0) #define bit_arch_AVX2_Usable (1u << 1) #define bit_arch_AVX512F_Usable (1u << 2) #define bit_arch_AVX512CD_Usable (1u << 3) #define bit_arch_AVX512ER_Usable (1u << 4) #define bit_arch_AVX512PF_Usable (1u << 5) #define bit_arch_AVX512VL_Usable (1u << 6) #define bit_arch_AVX512DQ_Usable (1u << 7) #define bit_arch_AVX512BW_Usable (1u << 8) #define bit_arch_AVX512_4FMAPS_Usable (1u << 9) #define bit_arch_AVX512_4VNNIW_Usable (1u << 10) #define bit_arch_AVX512_BITALG_Usable (1u << 11) #define bit_arch_AVX512_IFMA_Usable (1u << 12) #define bit_arch_AVX512_VBMI_Usable (1u << 13) #define bit_arch_AVX512_VBMI2_Usable (1u << 14) #define bit_arch_AVX512_VNNI_Usable (1u << 15) #define bit_arch_AVX512_VPOPCNTDQ_Usable (1u << 16) #define bit_arch_FMA_Usable (1u << 17) #define bit_arch_FMA4_Usable (1u << 18) #define bit_arch_VAES_Usable (1u << 19) #define bit_arch_VPCLMULQDQ_Usable (1u << 20) #define bit_arch_XOP_Usable (1u << 21) #define bit_arch_XSAVEC_Usable (1u << 22) #define index_arch_AVX_Usable FEATURE_INDEX_1 #define index_arch_AVX2_Usable FEATURE_INDEX_1 #define index_arch_AVX512F_Usable FEATURE_INDEX_1 #define index_arch_AVX512CD_Usable FEATURE_INDEX_1 #define index_arch_AVX512ER_Usable FEATURE_INDEX_1 #define index_arch_AVX512PF_Usable FEATURE_INDEX_1 #define index_arch_AVX512VL_Usable FEATURE_INDEX_1 #define index_arch_AVX512BW_Usable FEATURE_INDEX_1 #define index_arch_AVX512DQ_Usable FEATURE_INDEX_1 #define index_arch_AVX512_4FMAPS_Usable FEATURE_INDEX_1 #define index_arch_AVX512_4VNNIW_Usable FEATURE_INDEX_1 #define index_arch_AVX512_BITALG_Usable FEATURE_INDEX_1 #define index_arch_AVX512_IFMA_Usable FEATURE_INDEX_1 #define index_arch_AVX512_VBMI_Usable FEATURE_INDEX_1 #define index_arch_AVX512_VBMI2_Usable FEATURE_INDEX_1 #define index_arch_AVX512_VNNI_Usable FEATURE_INDEX_1 #define index_arch_AVX512_VPOPCNTDQ_Usable FEATURE_INDEX_1 #define index_arch_FMA_Usable FEATURE_INDEX_1 #define index_arch_FMA4_Usable FEATURE_INDEX_1 #define index_arch_VAES_Usable FEATURE_INDEX_1 #define index_arch_VPCLMULQDQ_Usable FEATURE_INDEX_1 #define index_arch_XOP_Usable FEATURE_INDEX_1 #define index_arch_XSAVEC_Usable FEATURE_INDEX_1 /* Unused. Compiler will optimize them out. */ #define bit_arch_SSE3_Usable (1u << 0) #define bit_arch_PCLMULQDQ_Usable (1u << 0) #define bit_arch_SSSE3_Usable (1u << 0) #define bit_arch_CMPXCHG16B_Usable (1u << 0) #define bit_arch_SSE4_1_Usable (1u << 0) #define bit_arch_SSE4_2_Usable (1u << 0) #define bit_arch_MOVBE_Usable (1u << 0) #define bit_arch_POPCNT_Usable (1u << 0) #define bit_arch_AES_Usable (1u << 0) #define bit_arch_XSAVE_Usable (1u << 0) #define bit_arch_OSXSAVE_Usable (1u << 0) #define bit_arch_F16C_Usable (1u << 0) #define bit_arch_RDRAND_Usable (1u << 0) #define bit_arch_FPU_Usable (1u << 0) #define bit_arch_TSC_Usable (1u << 0) #define bit_arch_MSR_Usable (1u << 0) #define bit_arch_CX8_Usable (1u << 0) #define bit_arch_SEP_Usable (1u << 0) #define bit_arch_CMOV_Usable (1u << 0) #define bit_arch_CLFSH_Usable (1u << 0) #define bit_arch_MMX_Usable (1u << 0) #define bit_arch_FXSR_Usable (1u << 0) #define bit_arch_SSE_Usable (1u << 0) #define bit_arch_SSE2_Usable (1u << 0) #define bit_arch_FSGSBASE_Usable (1u << 0) #define bit_arch_BMI1_Usable (1u << 0) #define bit_arch_HLE_Usable (1u << 0) #define bit_arch_BMI2_Usable (1u << 0) #define bit_arch_ERMS_Usable (1u << 0) #define bit_arch_RTM_Usable (1u << 0) #define bit_arch_RDSEED_Usable (1u << 0) #define bit_arch_ADX_Usable (1u << 0) #define bit_arch_CLFLUSHOPT_Usable (1u << 0) #define bit_arch_CLWB_Usable (1u << 0) #define bit_arch_SHA_Usable (1u << 0) #define bit_arch_PREFETCHWT1_Usable (1u << 0) #define bit_arch_GFNI_Usable (1u << 0) #define bit_arch_RDPID_Usable (1u << 0) #define bit_arch_CLDEMOTE_Usable (1u << 0) #define bit_arch_MOVDIRI_Usable (1u << 0) #define bit_arch_MOVDIR64B_Usable (1u << 0) #define bit_arch_FSRM_Usable (1u << 0) #define bit_arch_LAHF64_SAHF64_Usable (1u << 0) #define bit_arch_SVM_Usable (1u << 0) #define bit_arch_LZCNT_Usable (1u << 0) #define bit_arch_SSE4A_Usable (1u << 0) #define bit_arch_PREFETCHW_Usable (1u << 0) #define bit_arch_TBM_Usable (1u << 0) #define bit_arch_SYSCALL_SYSRET_Usable (1u << 0) #define bit_arch_RDTSCP_Usable (1u << 0) #define bit_arch_XSAVEOPT_Usable (1u << 0) #define bit_arch_XGETBV_ECX_1_Usable (1u << 0) #define bit_arch_XSAVES_Usable (1u << 0) #define bit_arch_INVARIANT_TSC_Usable (1u << 0) #define bit_arch_WBNOINVD_Usable (1u << 0) /* Unused. Compiler will optimize them out. */ #define index_arch_SSE3_Usable FEATURE_INDEX_1 #define index_arch_PCLMULQDQ_Usable FEATURE_INDEX_1 #define index_arch_SSSE3_Usable FEATURE_INDEX_1 #define index_arch_CMPXCHG16B_Usable FEATURE_INDEX_1 #define index_arch_SSE4_1_Usable FEATURE_INDEX_1 #define index_arch_SSE4_2_Usable FEATURE_INDEX_1 #define index_arch_MOVBE_Usable FEATURE_INDEX_1 #define index_arch_POPCNT_Usable FEATURE_INDEX_1 #define index_arch_AES_Usable FEATURE_INDEX_1 #define index_arch_XSAVE_Usable FEATURE_INDEX_1 #define index_arch_OSXSAVE_Usable FEATURE_INDEX_1 #define index_arch_F16C_Usable FEATURE_INDEX_1 #define index_arch_RDRAND_Usable FEATURE_INDEX_1 #define index_arch_FPU_Usable FEATURE_INDEX_1 #define index_arch_TSC_Usable FEATURE_INDEX_1 #define index_arch_MSR_Usable FEATURE_INDEX_1 #define index_arch_CX8_Usable FEATURE_INDEX_1 #define index_arch_SEP_Usable FEATURE_INDEX_1 #define index_arch_CMOV_Usable FEATURE_INDEX_1 #define index_arch_CLFSH_Usable FEATURE_INDEX_1 #define index_arch_MMX_Usable FEATURE_INDEX_1 #define index_arch_FXSR_Usable FEATURE_INDEX_1 #define index_arch_SSE_Usable FEATURE_INDEX_1 #define index_arch_SSE2_Usable FEATURE_INDEX_1 #define index_arch_FSGSBASE_Usable FEATURE_INDEX_1 #define index_arch_BMI1_Usable FEATURE_INDEX_1 #define index_arch_HLE_Usable FEATURE_INDEX_1 #define index_arch_BMI2_Usable FEATURE_INDEX_1 #define index_arch_ERMS_Usable FEATURE_INDEX_1 #define index_arch_RTM_Usable FEATURE_INDEX_1 #define index_arch_RDSEED_Usable FEATURE_INDEX_1 #define index_arch_ADX_Usable FEATURE_INDEX_1 #define index_arch_CLFLUSHOPT_Usable FEATURE_INDEX_1 #define index_arch_CLWB_Usable FEATURE_INDEX_1 #define index_arch_SHA_Usable FEATURE_INDEX_1 #define index_arch_PREFETCHWT1_Usable FEATURE_INDEX_1 #define index_arch_GFNI_Usable FEATURE_INDEX_1 #define index_arch_RDPID_Usable FEATURE_INDEX_1 #define index_arch_CLDEMOTE_Usable FEATURE_INDEX_1 #define index_arch_MOVDIRI_Usable FEATURE_INDEX_1 #define index_arch_MOVDIR64B_Usable FEATURE_INDEX_1 #define index_arch_FSRM_Usable FEATURE_INDEX_1 #define index_arch_LAHF64_SAHF64_Usable FEATURE_INDEX_1 #define index_arch_LZCNT_Usable FEATURE_INDEX_1 #define index_arch_SSE4A_Usable FEATURE_INDEX_1 #define index_arch_PREFETCHW_Usable FEATURE_INDEX_1 #define index_arch_TBM_Usable FEATURE_INDEX_1 #define index_arch_SYSCALL_SYSRET_Usable FEATURE_INDEX_1 #define index_arch_RDTSCP_Usable FEATURE_INDEX_1 #define index_arch_XSAVEOPT_Usable FEATURE_INDEX_1 #define index_arch_XGETBV_ECX_1_Usable FEATURE_INDEX_1 #define index_arch_XSAVES_Usable FEATURE_INDEX_1 #define index_arch_INVARIANT_TSC_Usable FEATURE_INDEX_1 #define index_arch_WBNOINVD_Usable FEATURE_INDEX_1 /* COMMON_CPUID_INDEX_1. */ /* ECX. */ #define need_arch_feature_SSE3 0 #define need_arch_feature_PCLMULQDQ 0 #define need_arch_feature_SSSE3 0 #define need_arch_feature_FMA 1 #define need_arch_feature_CMPXCHG16B 0 #define need_arch_feature_SSE4_1 0 #define need_arch_feature_SSE4_2 0 #define need_arch_feature_MOVBE 0 #define need_arch_feature_POPCNT 0 #define need_arch_feature_AES 0 #define need_arch_feature_XSAVE 0 #define need_arch_feature_OSXSAVE 0 #define need_arch_feature_AVX 1 #define need_arch_feature_F16C 0 #define need_arch_feature_RDRAND 0 /* EDX. */ #define need_arch_feature_FPU 0 #define need_arch_feature_TSC 0 #define need_arch_feature_MSR 0 #define need_arch_feature_CX8 0 #define need_arch_feature_SEP 0 #define need_arch_feature_CMOV 0 #define need_arch_feature_CLFSH 0 #define need_arch_feature_MMX 0 #define need_arch_feature_FXSR 0 #define need_arch_feature_SSE 0 #define need_arch_feature_SSE2 0 /* COMMON_CPUID_INDEX_7. */ /* EBX. */ #define need_arch_feature_FSGSBASE 0 #define need_arch_feature_BMI1 0 #define need_arch_feature_HLE 0 #define need_arch_feature_AVX2 1 #define need_arch_feature_BMI2 0 #define need_arch_feature_ERMS 0 #define need_arch_feature_RTM 0 #define need_arch_feature_AVX512F 1 #define need_arch_feature_AVX512DQ 1 #define need_arch_feature_RDSEED 0 #define need_arch_feature_ADX 0 #define need_arch_feature_AVX512_IFMA 1 #define need_arch_feature_CLFLUSHOPT 0 #define need_arch_feature_CLWB 0 #define need_arch_feature_AVX512PF 1 #define need_arch_feature_AVX512ER 1 #define need_arch_feature_AVX512CD 1 #define need_arch_feature_SHA 0 #define need_arch_feature_AVX512BW 1 #define need_arch_feature_AVX512VL 1 /* ECX. */ #define need_arch_feature_PREFETCHWT1 0 #define need_arch_feature_AVX512_VBMI 1 #define need_arch_feature_AVX512_VBMI2 1 #define need_arch_feature_GFNI 0 #define need_arch_feature_VAES 1 #define need_arch_feature_VPCLMULQDQ 1 #define need_arch_feature_AVX512_VNNI 1 #define need_arch_feature_AVX512_BITALG 1 #define need_arch_feature_AVX512_VPOPCNTDQ 1 #define need_arch_feature_RDPID 0 #define need_arch_feature_CLDEMOTE 0 #define need_arch_feature_MOVDIRI 0 #define need_arch_feature_MOVDIR64B 0 /* EDX. */ #define need_arch_feature_AVX512_4VNNIW 1 #define need_arch_feature_AVX512_4FMAPS 1 #define need_arch_feature_FSRM 0 /* COMMON_CPUID_INDEX_80000001. */ /* ECX. */ #define need_arch_feature_LAHF64_SAHF64 0 #define need_arch_feature_LZCNT 0 #define need_arch_feature_SSE4A 0 #define need_arch_feature_PREFETCHW 0 #define need_arch_feature_XOP 1 #define need_arch_feature_FMA4 1 #define need_arch_feature_TBM 0 #define need_arch_feature_SYSCALL_SYSRET 0 #define need_arch_feature_RDTSCP 0 #define need_arch_feature_XSAVEOPT 0 #define need_arch_feature_XSAVEC 1 #define need_arch_feature_XGETBV_ECX_1 0 #define need_arch_feature_XSAVES 0 #define need_arch_feature_INVARIANT_TSC 0 #define need_arch_feature_WBNOINVD 0 /* CPU features. */ /* COMMON_CPUID_INDEX_1. */ /* ECX. */ #define bit_cpu_SSE3 (1u << 0) #define bit_cpu_PCLMULQDQ (1u << 1) #define bit_cpu_DTES64 (1u << 2) #define bit_cpu_MONITOR (1u << 3) #define bit_cpu_DS_CPL (1u << 4) #define bit_cpu_VMX (1u << 5) #define bit_cpu_SMX (1u << 6) #define bit_cpu_EST (1u << 7) #define bit_cpu_TM2 (1u << 8) #define bit_cpu_SSSE3 (1u << 9) #define bit_cpu_CNXT_ID (1u << 10) #define bit_cpu_SDBG (1u << 11) #define bit_cpu_FMA (1u << 12) #define bit_cpu_CMPXCHG16B (1u << 13) #define bit_cpu_XTPRUPDCTRL (1u << 14) #define bit_cpu_PDCM (1u << 15) #define bit_cpu_PCID (1u << 17) #define bit_cpu_DCA (1u << 18) #define bit_cpu_SSE4_1 (1u << 19) #define bit_cpu_SSE4_2 (1u << 20) #define bit_cpu_X2APIC (1u << 21) #define bit_cpu_MOVBE (1u << 22) #define bit_cpu_POPCNT (1u << 23) #define bit_cpu_TSC_DEADLINE (1u << 24) #define bit_cpu_AES (1u << 25) #define bit_cpu_XSAVE (1u << 26) #define bit_cpu_OSXSAVE (1u << 27) #define bit_cpu_AVX (1u << 28) #define bit_cpu_F16C (1u << 29) #define bit_cpu_RDRAND (1u << 30) /* EDX. */ #define bit_cpu_FPU (1u << 0) #define bit_cpu_VME (1u << 1) #define bit_cpu_DE (1u << 2) #define bit_cpu_PSE (1u << 3) #define bit_cpu_TSC (1u << 4) #define bit_cpu_MSR (1u << 5) #define bit_cpu_PAE (1u << 6) #define bit_cpu_MCE (1u << 7) #define bit_cpu_CX8 (1u << 8) #define bit_cpu_APIC (1u << 9) #define bit_cpu_SEP (1u << 11) #define bit_cpu_MTRR (1u << 12) #define bit_cpu_PGE (1u << 13) #define bit_cpu_MCA (1u << 14) #define bit_cpu_CMOV (1u << 15) #define bit_cpu_PAT (1u << 16) #define bit_cpu_PSE_36 (1u << 17) #define bit_cpu_PSN (1u << 18) #define bit_cpu_CLFSH (1u << 20) #define bit_cpu_DS (1u << 21) #define bit_cpu_ACPI (1u << 22) #define bit_cpu_MMX (1u << 23) #define bit_cpu_FXSR (1u << 24) #define bit_cpu_SSE (1u << 25) #define bit_cpu_SSE2 (1u << 26) #define bit_cpu_SS (1u << 27) #define bit_cpu_HTT (1u << 28) #define bit_cpu_TM (1u << 29) #define bit_cpu_PBE (1u << 31) /* COMMON_CPUID_INDEX_7. */ /* EBX. */ #define bit_cpu_FSGSBASE (1u << 0) #define bit_cpu_TSC_ADJUST (1u << 1) #define bit_cpu_SGX (1u << 2) #define bit_cpu_BMI1 (1u << 3) #define bit_cpu_HLE (1u << 4) #define bit_cpu_AVX2 (1u << 5) #define bit_cpu_SMEP (1u << 7) #define bit_cpu_BMI2 (1u << 8) #define bit_cpu_ERMS (1u << 9) #define bit_cpu_INVPCID (1u << 10) #define bit_cpu_RTM (1u << 11) #define bit_cpu_PQM (1u << 12) #define bit_cpu_MPX (1u << 14) #define bit_cpu_PQE (1u << 15) #define bit_cpu_AVX512F (1u << 16) #define bit_cpu_AVX512DQ (1u << 17) #define bit_cpu_RDSEED (1u << 18) #define bit_cpu_ADX (1u << 19) #define bit_cpu_SMAP (1u << 20) #define bit_cpu_AVX512_IFMA (1u << 21) #define bit_cpu_CLFLUSHOPT (1u << 22) #define bit_cpu_CLWB (1u << 24) #define bit_cpu_TRACE (1u << 25) #define bit_cpu_AVX512PF (1u << 26) #define bit_cpu_AVX512ER (1u << 27) #define bit_cpu_AVX512CD (1u << 28) #define bit_cpu_SHA (1u << 29) #define bit_cpu_AVX512BW (1u << 30) #define bit_cpu_AVX512VL (1u << 31) /* ECX. */ #define bit_cpu_PREFETCHWT1 (1u << 0) #define bit_cpu_AVX512_VBMI (1u << 1) #define bit_cpu_UMIP (1u << 2) #define bit_cpu_PKU (1u << 3) #define bit_cpu_OSPKE (1u << 4) #define bit_cpu_WAITPKG (1u << 5) #define bit_cpu_AVX512_VBMI2 (1u << 6) #define bit_cpu_SHSTK (1u << 7) #define bit_cpu_GFNI (1u << 8) #define bit_cpu_VAES (1u << 9) #define bit_cpu_VPCLMULQDQ (1u << 10) #define bit_cpu_AVX512_VNNI (1u << 11) #define bit_cpu_AVX512_BITALG (1u << 12) #define bit_cpu_AVX512_VPOPCNTDQ (1u << 14) #define bit_cpu_RDPID (1u << 22) #define bit_cpu_CLDEMOTE (1u << 25) #define bit_cpu_MOVDIRI (1u << 27) #define bit_cpu_MOVDIR64B (1u << 28) #define bit_cpu_SGX_LC (1u << 30) /* EDX. */ #define bit_cpu_AVX512_4VNNIW (1u << 2) #define bit_cpu_AVX512_4FMAPS (1u << 3) #define bit_cpu_FSRM (1u << 4) #define bit_cpu_RTM_ALWAYS_ABORT (1u << 11) #define bit_cpu_PCONFIG (1u << 18) #define bit_cpu_IBT (1u << 20) #define bit_cpu_IBRS_IBPB (1u << 26) #define bit_cpu_STIBP (1u << 27) #define bit_cpu_CAPABILITIES (1u << 29) #define bit_cpu_SSBD (1u << 31) /* COMMON_CPUID_INDEX_80000001. */ /* ECX. */ #define bit_cpu_LAHF64_SAHF64 (1u << 0) #define bit_cpu_SVM (1u << 2) #define bit_cpu_LZCNT (1u << 5) #define bit_cpu_SSE4A (1u << 6) #define bit_cpu_PREFETCHW (1u << 8) #define bit_cpu_XOP (1u << 11) #define bit_cpu_LWP (1u << 15) #define bit_cpu_FMA4 (1u << 16) #define bit_cpu_TBM (1u << 21) /* EDX. */ #define bit_cpu_SYSCALL_SYSRET (1u << 11) #define bit_cpu_NX (1u << 20) #define bit_cpu_PAGE1GB (1u << 26) #define bit_cpu_RDTSCP (1u << 27) #define bit_cpu_LM (1u << 29) /* COMMON_CPUID_INDEX_D_ECX_1. */ /* EAX. */ #define bit_cpu_XSAVEOPT (1u << 0) #define bit_cpu_XSAVEC (1u << 1) #define bit_cpu_XGETBV_ECX_1 (1u << 2) #define bit_cpu_XSAVES (1u << 3) /* COMMON_CPUID_INDEX_80000007. */ /* EDX. */ #define bit_cpu_INVARIANT_TSC (1u << 8) /* COMMON_CPUID_INDEX_80000008. */ /* EBX. */ #define bit_cpu_WBNOINVD (1u << 9) /* COMMON_CPUID_INDEX_1. */ /* ECX. */ #define index_cpu_SSE3 COMMON_CPUID_INDEX_1 #define index_cpu_PCLMULQDQ COMMON_CPUID_INDEX_1 #define index_cpu_DTES64 COMMON_CPUID_INDEX_1 #define index_cpu_MONITOR COMMON_CPUID_INDEX_1 #define index_cpu_DS_CPL COMMON_CPUID_INDEX_1 #define index_cpu_VMX COMMON_CPUID_INDEX_1 #define index_cpu_SMX COMMON_CPUID_INDEX_1 #define index_cpu_EST COMMON_CPUID_INDEX_1 #define index_cpu_TM2 COMMON_CPUID_INDEX_1 #define index_cpu_SSSE3 COMMON_CPUID_INDEX_1 #define index_cpu_CNXT_ID COMMON_CPUID_INDEX_1 #define index_cpu_SDBG COMMON_CPUID_INDEX_1 #define index_cpu_FMA COMMON_CPUID_INDEX_1 #define index_cpu_CMPXCHG16B COMMON_CPUID_INDEX_1 #define index_cpu_XTPRUPDCTRL COMMON_CPUID_INDEX_1 #define index_cpu_PDCM COMMON_CPUID_INDEX_1 #define index_cpu_PCID COMMON_CPUID_INDEX_1 #define index_cpu_DCA COMMON_CPUID_INDEX_1 #define index_cpu_SSE4_1 COMMON_CPUID_INDEX_1 #define index_cpu_SSE4_2 COMMON_CPUID_INDEX_1 #define index_cpu_X2APIC COMMON_CPUID_INDEX_1 #define index_cpu_MOVBE COMMON_CPUID_INDEX_1 #define index_cpu_POPCNT COMMON_CPUID_INDEX_1 #define index_cpu_TSC_DEADLINE COMMON_CPUID_INDEX_1 #define index_cpu_AES COMMON_CPUID_INDEX_1 #define index_cpu_XSAVE COMMON_CPUID_INDEX_1 #define index_cpu_OSXSAVE COMMON_CPUID_INDEX_1 #define index_cpu_AVX COMMON_CPUID_INDEX_1 #define index_cpu_F16C COMMON_CPUID_INDEX_1 #define index_cpu_RDRAND COMMON_CPUID_INDEX_1 /* ECX. */ #define index_cpu_FPU COMMON_CPUID_INDEX_1 #define index_cpu_VME COMMON_CPUID_INDEX_1 #define index_cpu_DE COMMON_CPUID_INDEX_1 #define index_cpu_PSE COMMON_CPUID_INDEX_1 #define index_cpu_TSC COMMON_CPUID_INDEX_1 #define index_cpu_MSR COMMON_CPUID_INDEX_1 #define index_cpu_PAE COMMON_CPUID_INDEX_1 #define index_cpu_MCE COMMON_CPUID_INDEX_1 #define index_cpu_CX8 COMMON_CPUID_INDEX_1 #define index_cpu_APIC COMMON_CPUID_INDEX_1 #define index_cpu_SEP COMMON_CPUID_INDEX_1 #define index_cpu_MTRR COMMON_CPUID_INDEX_1 #define index_cpu_PGE COMMON_CPUID_INDEX_1 #define index_cpu_MCA COMMON_CPUID_INDEX_1 #define index_cpu_CMOV COMMON_CPUID_INDEX_1 #define index_cpu_PAT COMMON_CPUID_INDEX_1 #define index_cpu_PSE_36 COMMON_CPUID_INDEX_1 #define index_cpu_PSN COMMON_CPUID_INDEX_1 #define index_cpu_CLFSH COMMON_CPUID_INDEX_1 #define index_cpu_DS COMMON_CPUID_INDEX_1 #define index_cpu_ACPI COMMON_CPUID_INDEX_1 #define index_cpu_MMX COMMON_CPUID_INDEX_1 #define index_cpu_FXSR COMMON_CPUID_INDEX_1 #define index_cpu_SSE COMMON_CPUID_INDEX_1 #define index_cpu_SSE2 COMMON_CPUID_INDEX_1 #define index_cpu_SS COMMON_CPUID_INDEX_1 #define index_cpu_HTT COMMON_CPUID_INDEX_1 #define index_cpu_TM COMMON_CPUID_INDEX_1 #define index_cpu_PBE COMMON_CPUID_INDEX_1 /* COMMON_CPUID_INDEX_7. */ /* EBX. */ #define index_cpu_FSGSBASE COMMON_CPUID_INDEX_7 #define index_cpu_TSC_ADJUST COMMON_CPUID_INDEX_7 #define index_cpu_SGX COMMON_CPUID_INDEX_7 #define index_cpu_BMI1 COMMON_CPUID_INDEX_7 #define index_cpu_HLE COMMON_CPUID_INDEX_7 #define index_cpu_AVX2 COMMON_CPUID_INDEX_7 #define index_cpu_SMEP COMMON_CPUID_INDEX_7 #define index_cpu_BMI2 COMMON_CPUID_INDEX_7 #define index_cpu_ERMS COMMON_CPUID_INDEX_7 #define index_cpu_INVPCID COMMON_CPUID_INDEX_7 #define index_cpu_RTM COMMON_CPUID_INDEX_7 #define index_cpu_PQM COMMON_CPUID_INDEX_7 #define index_cpu_MPX COMMON_CPUID_INDEX_7 #define index_cpu_PQE COMMON_CPUID_INDEX_7 #define index_cpu_AVX512F COMMON_CPUID_INDEX_7 #define index_cpu_AVX512DQ COMMON_CPUID_INDEX_7 #define index_cpu_RDSEED COMMON_CPUID_INDEX_7 #define index_cpu_ADX COMMON_CPUID_INDEX_7 #define index_cpu_SMAP COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_IFMA COMMON_CPUID_INDEX_7 #define index_cpu_CLFLUSHOPT COMMON_CPUID_INDEX_7 #define index_cpu_CLWB COMMON_CPUID_INDEX_7 #define index_cpu_TRACE COMMON_CPUID_INDEX_7 #define index_cpu_AVX512PF COMMON_CPUID_INDEX_7 #define index_cpu_AVX512ER COMMON_CPUID_INDEX_7 #define index_cpu_AVX512CD COMMON_CPUID_INDEX_7 #define index_cpu_SHA COMMON_CPUID_INDEX_7 #define index_cpu_AVX512BW COMMON_CPUID_INDEX_7 #define index_cpu_AVX512VL COMMON_CPUID_INDEX_7 /* ECX. */ #define index_cpu_PREFETCHWT1 COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_VBMI COMMON_CPUID_INDEX_7 #define index_cpu_UMIP COMMON_CPUID_INDEX_7 #define index_cpu_PKU COMMON_CPUID_INDEX_7 #define index_cpu_OSPKE COMMON_CPUID_INDEX_7 #define index_cpu_WAITPKG COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_VBMI2 COMMON_CPUID_INDEX_7 #define index_cpu_SHSTK COMMON_CPUID_INDEX_7 #define index_cpu_GFNI COMMON_CPUID_INDEX_7 #define index_cpu_VAES COMMON_CPUID_INDEX_7 #define index_cpu_VPCLMULQDQ COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_VNNI COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_BITALG COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_VPOPCNTDQ COMMON_CPUID_INDEX_7 #define index_cpu_RDPID COMMON_CPUID_INDEX_7 #define index_cpu_CLDEMOTE COMMON_CPUID_INDEX_7 #define index_cpu_MOVDIRI COMMON_CPUID_INDEX_7 #define index_cpu_MOVDIR64B COMMON_CPUID_INDEX_7 #define index_cpu_SGX_LC COMMON_CPUID_INDEX_7 /* EDX. */ #define index_cpu_AVX512_4VNNIW COMMON_CPUID_INDEX_7 #define index_cpu_AVX512_4FMAPS COMMON_CPUID_INDEX_7 #define index_cpu_FSRM COMMON_CPUID_INDEX_7 #define index_cpu_RTM_ALWAYS_ABORT COMMON_CPUID_INDEX_7 #define index_cpu_PCONFIG COMMON_CPUID_INDEX_7 #define index_cpu_IBT COMMON_CPUID_INDEX_7 #define index_cpu_IBRS_IBPB COMMON_CPUID_INDEX_7 #define index_cpu_STIBP COMMON_CPUID_INDEX_7 #define index_cpu_CAPABILITIES COMMON_CPUID_INDEX_7 #define index_cpu_SSBD COMMON_CPUID_INDEX_7 /* COMMON_CPUID_INDEX_80000001. */ /* ECX. */ #define index_cpu_LAHF64_SAHF64 COMMON_CPUID_INDEX_80000001 #define index_cpu_SVM COMMON_CPUID_INDEX_80000001 #define index_cpu_LZCNT COMMON_CPUID_INDEX_80000001 #define index_cpu_SSE4A COMMON_CPUID_INDEX_80000001 #define index_cpu_PREFETCHW COMMON_CPUID_INDEX_80000001 #define index_cpu_XOP COMMON_CPUID_INDEX_80000001 #define index_cpu_LWP COMMON_CPUID_INDEX_80000001 #define index_cpu_FMA4 COMMON_CPUID_INDEX_80000001 #define index_cpu_TBM COMMON_CPUID_INDEX_80000001 /* EDX. */ #define index_cpu_SYSCALL_SYSRET COMMON_CPUID_INDEX_80000001 #define index_cpu_NX COMMON_CPUID_INDEX_80000001 #define index_cpu_PAGE1GB COMMON_CPUID_INDEX_80000001 #define index_cpu_RDTSCP COMMON_CPUID_INDEX_80000001 #define index_cpu_LM COMMON_CPUID_INDEX_80000001 /* COMMON_CPUID_INDEX_D_ECX_1. */ /* EAX. */ #define index_cpu_XSAVEOPT COMMON_CPUID_INDEX_D_ECX_1 #define index_cpu_XSAVEC COMMON_CPUID_INDEX_D_ECX_1 #define index_cpu_XGETBV_ECX_1 COMMON_CPUID_INDEX_D_ECX_1 #define index_cpu_XSAVES COMMON_CPUID_INDEX_D_ECX_1 /* COMMON_CPUID_INDEX_80000007. */ /* EDX. */ #define index_cpu_INVARIANT_TSC COMMON_CPUID_INDEX_80000007 /* COMMON_CPUID_INDEX_80000008. */ /* EBX. */ #define index_cpu_WBNOINVD COMMON_CPUID_INDEX_80000008 /* COMMON_CPUID_INDEX_1. */ /* ECX. */ #define reg_SSE3 ecx #define reg_PCLMULQDQ ecx #define reg_DTES64 ecx #define reg_MONITOR ecx #define reg_DS_CPL ecx #define reg_VMX ecx #define reg_SMX ecx #define reg_EST ecx #define reg_TM2 ecx #define reg_SSSE3 ecx #define reg_CNXT_ID ecx #define reg_SDBG ecx #define reg_FMA ecx #define reg_CMPXCHG16B ecx #define reg_XTPRUPDCTRL ecx #define reg_PDCM ecx #define reg_PCID ecx #define reg_DCA ecx #define reg_SSE4_1 ecx #define reg_SSE4_2 ecx #define reg_X2APIC ecx #define reg_MOVBE ecx #define reg_POPCNT ecx #define reg_TSC_DEADLINE ecx #define reg_AES ecx #define reg_XSAVE ecx #define reg_OSXSAVE ecx #define reg_AVX ecx #define reg_F16C ecx #define reg_RDRAND ecx /* EDX. */ #define reg_FPU edx #define reg_VME edx #define reg_DE edx #define reg_PSE edx #define reg_TSC edx #define reg_MSR edx #define reg_PAE edx #define reg_MCE edx #define reg_CX8 edx #define reg_APIC edx #define reg_SEP edx #define reg_MTRR edx #define reg_PGE edx #define reg_MCA edx #define reg_CMOV edx #define reg_PAT edx #define reg_PSE_36 edx #define reg_PSN edx #define reg_CLFSH edx #define reg_DS edx #define reg_ACPI edx #define reg_MMX edx #define reg_FXSR edx #define reg_SSE edx #define reg_SSE2 edx #define reg_SS edx #define reg_HTT edx #define reg_TM edx #define reg_PBE edx /* COMMON_CPUID_INDEX_7. */ /* EBX. */ #define reg_FSGSBASE ebx #define reg_TSC_ADJUST ebx #define reg_SGX ebx #define reg_BMI1 ebx #define reg_HLE ebx #define reg_BMI2 ebx #define reg_AVX2 ebx #define reg_SMEP ebx #define reg_ERMS ebx #define reg_INVPCID ebx #define reg_RTM ebx #define reg_PQM ebx #define reg_MPX ebx #define reg_PQE ebx #define reg_AVX512F ebx #define reg_AVX512DQ ebx #define reg_RDSEED ebx #define reg_ADX ebx #define reg_SMAP ebx #define reg_AVX512_IFMA ebx #define reg_CLFLUSHOPT ebx #define reg_CLWB ebx #define reg_TRACE ebx #define reg_AVX512PF ebx #define reg_AVX512ER ebx #define reg_AVX512CD ebx #define reg_SHA ebx #define reg_AVX512BW ebx #define reg_AVX512VL ebx /* ECX. */ #define reg_PREFETCHWT1 ecx #define reg_AVX512_VBMI ecx #define reg_UMIP ecx #define reg_PKU ecx #define reg_OSPKE ecx #define reg_WAITPKG ecx #define reg_AVX512_VBMI2 ecx #define reg_SHSTK ecx #define reg_GFNI ecx #define reg_VAES ecx #define reg_VPCLMULQDQ ecx #define reg_AVX512_VNNI ecx #define reg_AVX512_BITALG ecx #define reg_AVX512_VPOPCNTDQ ecx #define reg_RDPID ecx #define reg_CLDEMOTE ecx #define reg_MOVDIRI ecx #define reg_MOVDIR64B ecx #define reg_SGX_LC ecx /* EDX. */ #define reg_AVX512_4VNNIW edx #define reg_AVX512_4FMAPS edx #define reg_FSRM edx #define reg_RTM_ALWAYS_ABORT edx #define reg_PCONFIG edx #define reg_IBT edx #define reg_IBRS_IBPB edx #define reg_STIBP edx #define reg_CAPABILITIES edx #define reg_SSBD edx /* COMMON_CPUID_INDEX_80000001. */ /* ECX. */ #define reg_LAHF64_SAHF64 ecx #define reg_SVM ecx #define reg_LZCNT ecx #define reg_SSE4A ecx #define reg_PREFETCHW ecx #define reg_XOP ecx #define reg_LWP ecx #define reg_FMA4 ecx #define reg_TBM ecx /* EDX. */ #define reg_SYSCALL_SYSRET edx #define reg_NX edx #define reg_PAGE1GB edx #define reg_RDTSCP edx #define reg_LM edx /* COMMON_CPUID_INDEX_D_ECX_1. */ /* EAX. */ #define reg_XSAVEOPT eax #define reg_XSAVEC eax #define reg_XGETBV_ECX_1 eax #define reg_XSAVES eax /* COMMON_CPUID_INDEX_80000007. */ /* EDX. */ #define reg_INVARIANT_TSC edx /* COMMON_CPUID_INDEX_80000008. */ /* EBX. */ #define reg_WBNOINVD ebx /* FEATURE_INDEX_2. */ #define bit_arch_I586 (1u << 0) #define bit_arch_I686 (1u << 1) #define bit_arch_Fast_Rep_String (1u << 2) #define bit_arch_Fast_Copy_Backward (1u << 3) #define bit_arch_Fast_Unaligned_Load (1u << 4) #define bit_arch_Fast_Unaligned_Copy (1u << 5) #define bit_arch_Slow_BSF (1u << 6) #define bit_arch_Slow_SSE4_2 (1u << 7) #define bit_arch_AVX_Fast_Unaligned_Load (1u << 8) #define bit_arch_Prefer_MAP_32BIT_EXEC (1u << 9) #define bit_arch_Prefer_PMINUB_for_stringop (1u << 10) #define bit_arch_Prefer_No_VZEROUPPER (1u << 11) #define bit_arch_Prefer_ERMS (1u << 12) #define bit_arch_Prefer_FSRM (1u << 13) #define bit_arch_Prefer_No_AVX512 (1u << 14) #define bit_arch_MathVec_Prefer_No_AVX512 (1u << 15) #define bit_arch_Prefer_AVX2_STRCMP (1u << 16) #define index_arch_Fast_Rep_String FEATURE_INDEX_2 #define index_arch_Fast_Copy_Backward FEATURE_INDEX_2 #define index_arch_Slow_BSF FEATURE_INDEX_2 #define index_arch_Fast_Unaligned_Load FEATURE_INDEX_2 #define index_arch_Prefer_PMINUB_for_stringop FEATURE_INDEX_2 #define index_arch_Fast_Unaligned_Copy FEATURE_INDEX_2 #define index_arch_I586 FEATURE_INDEX_2 #define index_arch_I686 FEATURE_INDEX_2 #define index_arch_Slow_SSE4_2 FEATURE_INDEX_2 #define index_arch_AVX_Fast_Unaligned_Load FEATURE_INDEX_2 #define index_arch_Prefer_MAP_32BIT_EXEC FEATURE_INDEX_2 #define index_arch_Prefer_No_VZEROUPPER FEATURE_INDEX_2 #define index_arch_Prefer_ERMS FEATURE_INDEX_2 #define index_arch_Prefer_No_AVX512 FEATURE_INDEX_2 #define index_arch_MathVec_Prefer_No_AVX512 FEATURE_INDEX_2 #define index_arch_Prefer_FSRM FEATURE_INDEX_2 #define index_arch_Prefer_AVX2_STRCMP FEATURE_INDEX_2 /* XCR0 Feature flags. */ #define bit_XMM_state (1u << 1) #define bit_YMM_state (1u << 2) #define bit_Opmask_state (1u << 5) #define bit_ZMM0_15_state (1u << 6) #define bit_ZMM16_31_state (1u << 7) # if defined (_LIBC) && !IS_IN (nonlib) /* Unused for x86. */ # define INIT_ARCH() # define __get_cpu_features() (&GLRO(dl_x86_cpu_features)) # define x86_get_cpuid_registers(i) \ (&(GLRO(dl_x86_cpu_features).cpuid[i])) # endif #ifdef __x86_64__ # define HAS_CPUID 1 #elif (defined __i586__ || defined __pentium__ \ || defined __geode__ || defined __k6__) # define HAS_CPUID 1 # define HAS_I586 1 # define HAS_I686 HAS_ARCH_FEATURE (I686) #elif defined __i486__ # define HAS_CPUID 0 # define HAS_I586 HAS_ARCH_FEATURE (I586) # define HAS_I686 HAS_ARCH_FEATURE (I686) #else # define HAS_CPUID 1 # define HAS_I586 1 # define HAS_I686 1 #endif #endif /* cpu_features_h */