/* Constants and data structures for x86 CPU features.
This file is part of the GNU C Library.
Copyright (C) 2008-2022 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 _SYS_PLATFORM_X86_H
# error "Never include directly; use instead."
#endif
enum
{
CPUID_INDEX_1 = 0,
CPUID_INDEX_7,
CPUID_INDEX_80000001,
CPUID_INDEX_D_ECX_1,
CPUID_INDEX_80000007,
CPUID_INDEX_80000008,
CPUID_INDEX_7_ECX_1,
CPUID_INDEX_19,
CPUID_INDEX_14_ECX_0
};
struct cpuid_feature
{
unsigned int cpuid_array[4];
unsigned int active_array[4];
};
enum cpuid_register_index
{
cpuid_register_index_eax = 0,
cpuid_register_index_ebx,
cpuid_register_index_ecx,
cpuid_register_index_edx
};
/* CPU features. */
enum
{
x86_cpu_index_1_ecx
= (CPUID_INDEX_1 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ecx * 8 * sizeof (unsigned int)),
x86_cpu_SSE3 = x86_cpu_index_1_ecx,
x86_cpu_PCLMULQDQ = x86_cpu_index_1_ecx + 1,
x86_cpu_DTES64 = x86_cpu_index_1_ecx + 2,
x86_cpu_MONITOR = x86_cpu_index_1_ecx + 3,
x86_cpu_DS_CPL = x86_cpu_index_1_ecx + 4,
x86_cpu_VMX = x86_cpu_index_1_ecx + 5,
x86_cpu_SMX = x86_cpu_index_1_ecx + 6,
x86_cpu_EIST = x86_cpu_index_1_ecx + 7,
x86_cpu_TM2 = x86_cpu_index_1_ecx + 8,
x86_cpu_SSSE3 = x86_cpu_index_1_ecx + 9,
x86_cpu_CNXT_ID = x86_cpu_index_1_ecx + 10,
x86_cpu_SDBG = x86_cpu_index_1_ecx + 11,
x86_cpu_FMA = x86_cpu_index_1_ecx + 12,
x86_cpu_CMPXCHG16B = x86_cpu_index_1_ecx + 13,
x86_cpu_XTPRUPDCTRL = x86_cpu_index_1_ecx + 14,
x86_cpu_PDCM = x86_cpu_index_1_ecx + 15,
x86_cpu_INDEX_1_ECX_16 = x86_cpu_index_1_ecx + 16,
x86_cpu_PCID = x86_cpu_index_1_ecx + 17,
x86_cpu_DCA = x86_cpu_index_1_ecx + 18,
x86_cpu_SSE4_1 = x86_cpu_index_1_ecx + 19,
x86_cpu_SSE4_2 = x86_cpu_index_1_ecx + 20,
x86_cpu_X2APIC = x86_cpu_index_1_ecx + 21,
x86_cpu_MOVBE = x86_cpu_index_1_ecx + 22,
x86_cpu_POPCNT = x86_cpu_index_1_ecx + 23,
x86_cpu_TSC_DEADLINE = x86_cpu_index_1_ecx + 24,
x86_cpu_AES = x86_cpu_index_1_ecx + 25,
x86_cpu_XSAVE = x86_cpu_index_1_ecx + 26,
x86_cpu_OSXSAVE = x86_cpu_index_1_ecx + 27,
x86_cpu_AVX = x86_cpu_index_1_ecx + 28,
x86_cpu_F16C = x86_cpu_index_1_ecx + 29,
x86_cpu_RDRAND = x86_cpu_index_1_ecx + 30,
x86_cpu_INDEX_1_ECX_31 = x86_cpu_index_1_ecx + 31,
x86_cpu_index_1_edx
= (CPUID_INDEX_1 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_edx * 8 * sizeof (unsigned int)),
x86_cpu_FPU = x86_cpu_index_1_edx,
x86_cpu_VME = x86_cpu_index_1_edx + 1,
x86_cpu_DE = x86_cpu_index_1_edx + 2,
x86_cpu_PSE = x86_cpu_index_1_edx + 3,
x86_cpu_TSC = x86_cpu_index_1_edx + 4,
x86_cpu_MSR = x86_cpu_index_1_edx + 5,
x86_cpu_PAE = x86_cpu_index_1_edx + 6,
x86_cpu_MCE = x86_cpu_index_1_edx + 7,
x86_cpu_CX8 = x86_cpu_index_1_edx + 8,
x86_cpu_APIC = x86_cpu_index_1_edx + 9,
x86_cpu_INDEX_1_EDX_10 = x86_cpu_index_1_edx + 10,
x86_cpu_SEP = x86_cpu_index_1_edx + 11,
x86_cpu_MTRR = x86_cpu_index_1_edx + 12,
x86_cpu_PGE = x86_cpu_index_1_edx + 13,
x86_cpu_MCA = x86_cpu_index_1_edx + 14,
x86_cpu_CMOV = x86_cpu_index_1_edx + 15,
x86_cpu_PAT = x86_cpu_index_1_edx + 16,
x86_cpu_PSE_36 = x86_cpu_index_1_edx + 17,
x86_cpu_PSN = x86_cpu_index_1_edx + 18,
x86_cpu_CLFSH = x86_cpu_index_1_edx + 19,
x86_cpu_INDEX_1_EDX_20 = x86_cpu_index_1_edx + 20,
x86_cpu_DS = x86_cpu_index_1_edx + 21,
x86_cpu_ACPI = x86_cpu_index_1_edx + 22,
x86_cpu_MMX = x86_cpu_index_1_edx + 23,
x86_cpu_FXSR = x86_cpu_index_1_edx + 24,
x86_cpu_SSE = x86_cpu_index_1_edx + 25,
x86_cpu_SSE2 = x86_cpu_index_1_edx + 26,
x86_cpu_SS = x86_cpu_index_1_edx + 27,
x86_cpu_HTT = x86_cpu_index_1_edx + 28,
x86_cpu_TM = x86_cpu_index_1_edx + 29,
x86_cpu_INDEX_1_EDX_30 = x86_cpu_index_1_edx + 30,
x86_cpu_PBE = x86_cpu_index_1_edx + 31,
x86_cpu_index_7_ebx
= (CPUID_INDEX_7 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ebx * 8 * sizeof (unsigned int)),
x86_cpu_FSGSBASE = x86_cpu_index_7_ebx,
x86_cpu_TSC_ADJUST = x86_cpu_index_7_ebx + 1,
x86_cpu_SGX = x86_cpu_index_7_ebx + 2,
x86_cpu_BMI1 = x86_cpu_index_7_ebx + 3,
x86_cpu_HLE = x86_cpu_index_7_ebx + 4,
x86_cpu_AVX2 = x86_cpu_index_7_ebx + 5,
x86_cpu_INDEX_7_EBX_6 = x86_cpu_index_7_ebx + 6,
x86_cpu_SMEP = x86_cpu_index_7_ebx + 7,
x86_cpu_BMI2 = x86_cpu_index_7_ebx + 8,
x86_cpu_ERMS = x86_cpu_index_7_ebx + 9,
x86_cpu_INVPCID = x86_cpu_index_7_ebx + 10,
x86_cpu_RTM = x86_cpu_index_7_ebx + 11,
x86_cpu_RDT_M = x86_cpu_index_7_ebx + 12,
x86_cpu_DEPR_FPU_CS_DS = x86_cpu_index_7_ebx + 13,
x86_cpu_MPX = x86_cpu_index_7_ebx + 14,
x86_cpu_RDT_A = x86_cpu_index_7_ebx + 15,
x86_cpu_AVX512F = x86_cpu_index_7_ebx + 16,
x86_cpu_AVX512DQ = x86_cpu_index_7_ebx + 17,
x86_cpu_RDSEED = x86_cpu_index_7_ebx + 18,
x86_cpu_ADX = x86_cpu_index_7_ebx + 19,
x86_cpu_SMAP = x86_cpu_index_7_ebx + 20,
x86_cpu_AVX512_IFMA = x86_cpu_index_7_ebx + 21,
x86_cpu_INDEX_7_EBX_22 = x86_cpu_index_7_ebx + 22,
x86_cpu_CLFLUSHOPT = x86_cpu_index_7_ebx + 23,
x86_cpu_CLWB = x86_cpu_index_7_ebx + 24,
x86_cpu_TRACE = x86_cpu_index_7_ebx + 25,
x86_cpu_AVX512PF = x86_cpu_index_7_ebx + 26,
x86_cpu_AVX512ER = x86_cpu_index_7_ebx + 27,
x86_cpu_AVX512CD = x86_cpu_index_7_ebx + 28,
x86_cpu_SHA = x86_cpu_index_7_ebx + 29,
x86_cpu_AVX512BW = x86_cpu_index_7_ebx + 30,
x86_cpu_AVX512VL = x86_cpu_index_7_ebx + 31,
x86_cpu_index_7_ecx
= (CPUID_INDEX_7 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ecx * 8 * sizeof (unsigned int)),
x86_cpu_PREFETCHWT1 = x86_cpu_index_7_ecx,
x86_cpu_AVX512_VBMI = x86_cpu_index_7_ecx + 1,
x86_cpu_UMIP = x86_cpu_index_7_ecx + 2,
x86_cpu_PKU = x86_cpu_index_7_ecx + 3,
x86_cpu_OSPKE = x86_cpu_index_7_ecx + 4,
x86_cpu_WAITPKG = x86_cpu_index_7_ecx + 5,
x86_cpu_AVX512_VBMI2 = x86_cpu_index_7_ecx + 6,
x86_cpu_SHSTK = x86_cpu_index_7_ecx + 7,
x86_cpu_GFNI = x86_cpu_index_7_ecx + 8,
x86_cpu_VAES = x86_cpu_index_7_ecx + 9,
x86_cpu_VPCLMULQDQ = x86_cpu_index_7_ecx + 10,
x86_cpu_AVX512_VNNI = x86_cpu_index_7_ecx + 11,
x86_cpu_AVX512_BITALG = x86_cpu_index_7_ecx + 12,
x86_cpu_INDEX_7_ECX_13 = x86_cpu_index_7_ecx + 13,
x86_cpu_AVX512_VPOPCNTDQ = x86_cpu_index_7_ecx + 14,
x86_cpu_INDEX_7_ECX_1 = x86_cpu_index_7_ecx + 15,
x86_cpu_INDEX_7_ECX_16 = x86_cpu_index_7_ecx + 16,
/* Note: Bits 17-21: The value of MAWAU used by the BNDLDX and BNDSTX
instructions in 64-bit mode. */
x86_cpu_RDPID = x86_cpu_index_7_ecx + 22,
x86_cpu_KL = x86_cpu_index_7_ecx + 23,
x86_cpu_INDEX_7_ECX_24 = x86_cpu_index_7_ecx + 24,
x86_cpu_CLDEMOTE = x86_cpu_index_7_ecx + 25,
x86_cpu_INDEX_7_ECX_26 = x86_cpu_index_7_ecx + 26,
x86_cpu_MOVDIRI = x86_cpu_index_7_ecx + 27,
x86_cpu_MOVDIR64B = x86_cpu_index_7_ecx + 28,
x86_cpu_ENQCMD = x86_cpu_index_7_ecx + 29,
x86_cpu_SGX_LC = x86_cpu_index_7_ecx + 30,
x86_cpu_PKS = x86_cpu_index_7_ecx + 31,
x86_cpu_index_7_edx
= (CPUID_INDEX_7 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_edx * 8 * sizeof (unsigned int)),
x86_cpu_INDEX_7_EDX_0 = x86_cpu_index_7_edx,
x86_cpu_INDEX_7_EDX_1 = x86_cpu_index_7_edx + 1,
x86_cpu_AVX512_4VNNIW = x86_cpu_index_7_edx + 2,
x86_cpu_AVX512_4FMAPS = x86_cpu_index_7_edx + 3,
x86_cpu_FSRM = x86_cpu_index_7_edx + 4,
x86_cpu_UINTR = x86_cpu_index_7_edx + 5,
x86_cpu_INDEX_7_EDX_6 = x86_cpu_index_7_edx + 6,
x86_cpu_INDEX_7_EDX_7 = x86_cpu_index_7_edx + 7,
x86_cpu_AVX512_VP2INTERSECT = x86_cpu_index_7_edx + 8,
x86_cpu_INDEX_7_EDX_9 = x86_cpu_index_7_edx + 9,
x86_cpu_MD_CLEAR = x86_cpu_index_7_edx + 10,
x86_cpu_RTM_ALWAYS_ABORT = x86_cpu_index_7_edx + 11,
x86_cpu_INDEX_7_EDX_12 = x86_cpu_index_7_edx + 12,
x86_cpu_INDEX_7_EDX_13 = x86_cpu_index_7_edx + 13,
x86_cpu_SERIALIZE = x86_cpu_index_7_edx + 14,
x86_cpu_HYBRID = x86_cpu_index_7_edx + 15,
x86_cpu_TSXLDTRK = x86_cpu_index_7_edx + 16,
x86_cpu_INDEX_7_EDX_17 = x86_cpu_index_7_edx + 17,
x86_cpu_PCONFIG = x86_cpu_index_7_edx + 18,
x86_cpu_INDEX_7_EDX_19 = x86_cpu_index_7_edx + 19,
x86_cpu_IBT = x86_cpu_index_7_edx + 20,
x86_cpu_INDEX_7_EDX_21 = x86_cpu_index_7_edx + 21,
x86_cpu_AMX_BF16 = x86_cpu_index_7_edx + 22,
x86_cpu_AVX512_FP16 = x86_cpu_index_7_edx + 23,
x86_cpu_AMX_TILE = x86_cpu_index_7_edx + 24,
x86_cpu_AMX_INT8 = x86_cpu_index_7_edx + 25,
x86_cpu_IBRS_IBPB = x86_cpu_index_7_edx + 26,
x86_cpu_STIBP = x86_cpu_index_7_edx + 27,
x86_cpu_L1D_FLUSH = x86_cpu_index_7_edx + 28,
x86_cpu_ARCH_CAPABILITIES = x86_cpu_index_7_edx + 29,
x86_cpu_CORE_CAPABILITIES = x86_cpu_index_7_edx + 30,
x86_cpu_SSBD = x86_cpu_index_7_edx + 31,
x86_cpu_index_80000001_ecx
= (CPUID_INDEX_80000001 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ecx * 8 * sizeof (unsigned int)),
x86_cpu_LAHF64_SAHF64 = x86_cpu_index_80000001_ecx,
x86_cpu_SVM = x86_cpu_index_80000001_ecx + 2,
x86_cpu_LZCNT = x86_cpu_index_80000001_ecx + 5,
x86_cpu_SSE4A = x86_cpu_index_80000001_ecx + 6,
x86_cpu_PREFETCHW = x86_cpu_index_80000001_ecx + 8,
x86_cpu_XOP = x86_cpu_index_80000001_ecx + 11,
x86_cpu_LWP = x86_cpu_index_80000001_ecx + 15,
x86_cpu_FMA4 = x86_cpu_index_80000001_ecx + 16,
x86_cpu_TBM = x86_cpu_index_80000001_ecx + 21,
x86_cpu_index_80000001_edx
= (CPUID_INDEX_80000001 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_edx * 8 * sizeof (unsigned int)),
x86_cpu_SYSCALL_SYSRET = x86_cpu_index_80000001_edx + 11,
x86_cpu_NX = x86_cpu_index_80000001_edx + 20,
x86_cpu_PAGE1GB = x86_cpu_index_80000001_edx + 26,
x86_cpu_RDTSCP = x86_cpu_index_80000001_edx + 27,
x86_cpu_LM = x86_cpu_index_80000001_edx + 29,
x86_cpu_index_d_ecx_1_eax
= (CPUID_INDEX_D_ECX_1 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_eax * 8 * sizeof (unsigned int)),
x86_cpu_XSAVEOPT = x86_cpu_index_d_ecx_1_eax,
x86_cpu_XSAVEC = x86_cpu_index_d_ecx_1_eax + 1,
x86_cpu_XGETBV_ECX_1 = x86_cpu_index_d_ecx_1_eax + 2,
x86_cpu_XSAVES = x86_cpu_index_d_ecx_1_eax + 3,
x86_cpu_XFD = x86_cpu_index_d_ecx_1_eax + 4,
x86_cpu_index_80000007_edx
= (CPUID_INDEX_80000007 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_edx * 8 * sizeof (unsigned int)),
x86_cpu_INVARIANT_TSC = x86_cpu_index_80000007_edx + 8,
x86_cpu_index_80000008_ebx
= (CPUID_INDEX_80000008 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ebx * 8 * sizeof (unsigned int)),
x86_cpu_WBNOINVD = x86_cpu_index_80000008_ebx + 9,
x86_cpu_AMD_IBPB = x86_cpu_index_80000008_ebx + 12,
x86_cpu_AMD_IBRS = x86_cpu_index_80000008_ebx + 14,
x86_cpu_AMD_STIBP = x86_cpu_index_80000008_ebx + 15,
x86_cpu_AMD_SSBD = x86_cpu_index_80000008_ebx + 24,
x86_cpu_AMD_VIRT_SSBD = x86_cpu_index_80000008_ebx + 25,
x86_cpu_index_7_ecx_1_eax
= (CPUID_INDEX_7_ECX_1 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_eax * 8 * sizeof (unsigned int)),
x86_cpu_AVX_VNNI = x86_cpu_index_7_ecx_1_eax + 4,
x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5,
x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10,
x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11,
x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12,
x86_cpu_HRESET = x86_cpu_index_7_ecx_1_eax + 22,
x86_cpu_LAM = x86_cpu_index_7_ecx_1_eax + 26,
x86_cpu_index_19_ebx
= (CPUID_INDEX_19 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ebx * 8 * sizeof (unsigned int)),
x86_cpu_AESKLE = x86_cpu_index_19_ebx,
x86_cpu_WIDE_KL = x86_cpu_index_19_ebx + 2,
x86_cpu_index_14_ecx_0_ebx
= (CPUID_INDEX_14_ECX_0 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_ebx * 8 * sizeof (unsigned int)),
x86_cpu_PTWRITE = x86_cpu_index_14_ecx_0_ebx + 4
};