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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2012 ARM Ltd. |
| 4 | */ |
| 5 | #ifndef __ASM_HWCAP_H |
| 6 | #define __ASM_HWCAP_H |
| 7 | |
| 8 | #include <uapi/asm/hwcap.h> |
| 9 | #include <asm/cpufeature.h> |
| 10 | |
| 11 | #define COMPAT_HWCAP_SWP (1 << 0) |
| 12 | #define COMPAT_HWCAP_HALF (1 << 1) |
| 13 | #define COMPAT_HWCAP_THUMB (1 << 2) |
| 14 | #define COMPAT_HWCAP_26BIT (1 << 3) |
| 15 | #define COMPAT_HWCAP_FAST_MULT (1 << 4) |
| 16 | #define COMPAT_HWCAP_FPA (1 << 5) |
| 17 | #define COMPAT_HWCAP_VFP (1 << 6) |
| 18 | #define COMPAT_HWCAP_EDSP (1 << 7) |
| 19 | #define COMPAT_HWCAP_JAVA (1 << 8) |
| 20 | #define COMPAT_HWCAP_IWMMXT (1 << 9) |
| 21 | #define COMPAT_HWCAP_CRUNCH (1 << 10) /* Obsolete */ |
| 22 | #define COMPAT_HWCAP_THUMBEE (1 << 11) |
| 23 | #define COMPAT_HWCAP_NEON (1 << 12) |
| 24 | #define COMPAT_HWCAP_VFPv3 (1 << 13) |
| 25 | #define COMPAT_HWCAP_VFPV3D16 (1 << 14) |
| 26 | #define COMPAT_HWCAP_TLS (1 << 15) |
| 27 | #define COMPAT_HWCAP_VFPv4 (1 << 16) |
| 28 | #define COMPAT_HWCAP_IDIVA (1 << 17) |
| 29 | #define COMPAT_HWCAP_IDIVT (1 << 18) |
| 30 | #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) |
| 31 | #define COMPAT_HWCAP_VFPD32 (1 << 19) |
| 32 | #define COMPAT_HWCAP_LPAE (1 << 20) |
| 33 | #define COMPAT_HWCAP_EVTSTRM (1 << 21) |
| 34 | #define COMPAT_HWCAP_FPHP (1 << 22) |
| 35 | #define COMPAT_HWCAP_ASIMDHP (1 << 23) |
| 36 | #define COMPAT_HWCAP_ASIMDDP (1 << 24) |
| 37 | #define COMPAT_HWCAP_ASIMDFHM (1 << 25) |
| 38 | #define COMPAT_HWCAP_ASIMDBF16 (1 << 26) |
| 39 | #define COMPAT_HWCAP_I8MM (1 << 27) |
| 40 | |
| 41 | #define COMPAT_HWCAP2_AES (1 << 0) |
| 42 | #define COMPAT_HWCAP2_PMULL (1 << 1) |
| 43 | #define COMPAT_HWCAP2_SHA1 (1 << 2) |
| 44 | #define COMPAT_HWCAP2_SHA2 (1 << 3) |
| 45 | #define COMPAT_HWCAP2_CRC32 (1 << 4) |
| 46 | #define COMPAT_HWCAP2_SB (1 << 5) |
| 47 | #define COMPAT_HWCAP2_SSBS (1 << 6) |
| 48 | |
| 49 | #ifndef __ASSEMBLER__ |
| 50 | #include <linux/log2.h> |
| 51 | |
| 52 | /* |
| 53 | * For userspace we represent hwcaps as a collection of HWCAP{,2}_x bitfields |
| 54 | * as described in uapi/asm/hwcap.h. For the kernel we represent hwcaps as |
| 55 | * natural numbers (in a single range of size MAX_CPU_FEATURES) defined here |
| 56 | * with prefix KERNEL_HWCAP_ mapped to their HWCAP{,2}_x counterpart. |
| 57 | * |
| 58 | * Hwcaps should be set and tested within the kernel via the |
| 59 | * cpu_{set,have}_named_feature(feature) where feature is the unique suffix |
| 60 | * of KERNEL_HWCAP_{feature}. |
| 61 | */ |
| 62 | #define __khwcap_feature(x) const_ilog2(HWCAP_ ## x) |
| 63 | #define KERNEL_HWCAP_FP __khwcap_feature(FP) |
| 64 | #define KERNEL_HWCAP_ASIMD __khwcap_feature(ASIMD) |
| 65 | #define KERNEL_HWCAP_EVTSTRM __khwcap_feature(EVTSTRM) |
| 66 | #define KERNEL_HWCAP_AES __khwcap_feature(AES) |
| 67 | #define KERNEL_HWCAP_PMULL __khwcap_feature(PMULL) |
| 68 | #define KERNEL_HWCAP_SHA1 __khwcap_feature(SHA1) |
| 69 | #define KERNEL_HWCAP_SHA2 __khwcap_feature(SHA2) |
| 70 | #define KERNEL_HWCAP_CRC32 __khwcap_feature(CRC32) |
| 71 | #define KERNEL_HWCAP_ATOMICS __khwcap_feature(ATOMICS) |
| 72 | #define KERNEL_HWCAP_FPHP __khwcap_feature(FPHP) |
| 73 | #define KERNEL_HWCAP_ASIMDHP __khwcap_feature(ASIMDHP) |
| 74 | #define KERNEL_HWCAP_CPUID __khwcap_feature(CPUID) |
| 75 | #define KERNEL_HWCAP_ASIMDRDM __khwcap_feature(ASIMDRDM) |
| 76 | #define KERNEL_HWCAP_JSCVT __khwcap_feature(JSCVT) |
| 77 | #define KERNEL_HWCAP_FCMA __khwcap_feature(FCMA) |
| 78 | #define KERNEL_HWCAP_LRCPC __khwcap_feature(LRCPC) |
| 79 | #define KERNEL_HWCAP_DCPOP __khwcap_feature(DCPOP) |
| 80 | #define KERNEL_HWCAP_SHA3 __khwcap_feature(SHA3) |
| 81 | #define KERNEL_HWCAP_SM3 __khwcap_feature(SM3) |
| 82 | #define KERNEL_HWCAP_SM4 __khwcap_feature(SM4) |
| 83 | #define KERNEL_HWCAP_ASIMDDP __khwcap_feature(ASIMDDP) |
| 84 | #define KERNEL_HWCAP_SHA512 __khwcap_feature(SHA512) |
| 85 | #define KERNEL_HWCAP_SVE __khwcap_feature(SVE) |
| 86 | #define KERNEL_HWCAP_ASIMDFHM __khwcap_feature(ASIMDFHM) |
| 87 | #define KERNEL_HWCAP_DIT __khwcap_feature(DIT) |
| 88 | #define KERNEL_HWCAP_USCAT __khwcap_feature(USCAT) |
| 89 | #define KERNEL_HWCAP_ILRCPC __khwcap_feature(ILRCPC) |
| 90 | #define KERNEL_HWCAP_FLAGM __khwcap_feature(FLAGM) |
| 91 | #define KERNEL_HWCAP_SSBS __khwcap_feature(SSBS) |
| 92 | #define KERNEL_HWCAP_SB __khwcap_feature(SB) |
| 93 | #define KERNEL_HWCAP_PACA __khwcap_feature(PACA) |
| 94 | #define KERNEL_HWCAP_PACG __khwcap_feature(PACG) |
| 95 | #define KERNEL_HWCAP_GCS __khwcap_feature(GCS) |
| 96 | #define KERNEL_HWCAP_CMPBR __khwcap_feature(CMPBR) |
| 97 | #define KERNEL_HWCAP_FPRCVT __khwcap_feature(FPRCVT) |
| 98 | #define KERNEL_HWCAP_F8MM8 __khwcap_feature(F8MM8) |
| 99 | #define KERNEL_HWCAP_F8MM4 __khwcap_feature(F8MM4) |
| 100 | #define KERNEL_HWCAP_SVE_F16MM __khwcap_feature(SVE_F16MM) |
| 101 | #define KERNEL_HWCAP_SVE_ELTPERM __khwcap_feature(SVE_ELTPERM) |
| 102 | #define KERNEL_HWCAP_SVE_AES2 __khwcap_feature(SVE_AES2) |
| 103 | #define KERNEL_HWCAP_SVE_BFSCALE __khwcap_feature(SVE_BFSCALE) |
| 104 | #define KERNEL_HWCAP_SVE2P2 __khwcap_feature(SVE2P2) |
| 105 | #define KERNEL_HWCAP_SME2P2 __khwcap_feature(SME2P2) |
| 106 | #define KERNEL_HWCAP_SME_SBITPERM __khwcap_feature(SME_SBITPERM) |
| 107 | #define KERNEL_HWCAP_SME_AES __khwcap_feature(SME_AES) |
| 108 | #define KERNEL_HWCAP_SME_SFEXPA __khwcap_feature(SME_SFEXPA) |
| 109 | #define KERNEL_HWCAP_SME_STMOP __khwcap_feature(SME_STMOP) |
| 110 | #define KERNEL_HWCAP_SME_SMOP4 __khwcap_feature(SME_SMOP4) |
| 111 | |
| 112 | #define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 64) |
| 113 | #define KERNEL_HWCAP_DCPODP __khwcap2_feature(DCPODP) |
| 114 | #define KERNEL_HWCAP_SVE2 __khwcap2_feature(SVE2) |
| 115 | #define KERNEL_HWCAP_SVEAES __khwcap2_feature(SVEAES) |
| 116 | #define KERNEL_HWCAP_SVEPMULL __khwcap2_feature(SVEPMULL) |
| 117 | #define KERNEL_HWCAP_SVEBITPERM __khwcap2_feature(SVEBITPERM) |
| 118 | #define KERNEL_HWCAP_SVESHA3 __khwcap2_feature(SVESHA3) |
| 119 | #define KERNEL_HWCAP_SVESM4 __khwcap2_feature(SVESM4) |
| 120 | #define KERNEL_HWCAP_FLAGM2 __khwcap2_feature(FLAGM2) |
| 121 | #define KERNEL_HWCAP_FRINT __khwcap2_feature(FRINT) |
| 122 | #define KERNEL_HWCAP_SVEI8MM __khwcap2_feature(SVEI8MM) |
| 123 | #define KERNEL_HWCAP_SVEF32MM __khwcap2_feature(SVEF32MM) |
| 124 | #define KERNEL_HWCAP_SVEF64MM __khwcap2_feature(SVEF64MM) |
| 125 | #define KERNEL_HWCAP_SVEBF16 __khwcap2_feature(SVEBF16) |
| 126 | #define KERNEL_HWCAP_I8MM __khwcap2_feature(I8MM) |
| 127 | #define KERNEL_HWCAP_BF16 __khwcap2_feature(BF16) |
| 128 | #define KERNEL_HWCAP_DGH __khwcap2_feature(DGH) |
| 129 | #define KERNEL_HWCAP_RNG __khwcap2_feature(RNG) |
| 130 | #define KERNEL_HWCAP_BTI __khwcap2_feature(BTI) |
| 131 | #define KERNEL_HWCAP_MTE __khwcap2_feature(MTE) |
| 132 | #define KERNEL_HWCAP_ECV __khwcap2_feature(ECV) |
| 133 | #define KERNEL_HWCAP_AFP __khwcap2_feature(AFP) |
| 134 | #define KERNEL_HWCAP_RPRES __khwcap2_feature(RPRES) |
| 135 | #define KERNEL_HWCAP_MTE3 __khwcap2_feature(MTE3) |
| 136 | #define KERNEL_HWCAP_SME __khwcap2_feature(SME) |
| 137 | #define KERNEL_HWCAP_SME_I16I64 __khwcap2_feature(SME_I16I64) |
| 138 | #define KERNEL_HWCAP_SME_F64F64 __khwcap2_feature(SME_F64F64) |
| 139 | #define KERNEL_HWCAP_SME_I8I32 __khwcap2_feature(SME_I8I32) |
| 140 | #define KERNEL_HWCAP_SME_F16F32 __khwcap2_feature(SME_F16F32) |
| 141 | #define KERNEL_HWCAP_SME_B16F32 __khwcap2_feature(SME_B16F32) |
| 142 | #define KERNEL_HWCAP_SME_F32F32 __khwcap2_feature(SME_F32F32) |
| 143 | #define KERNEL_HWCAP_SME_FA64 __khwcap2_feature(SME_FA64) |
| 144 | #define KERNEL_HWCAP_WFXT __khwcap2_feature(WFXT) |
| 145 | #define KERNEL_HWCAP_EBF16 __khwcap2_feature(EBF16) |
| 146 | #define KERNEL_HWCAP_SVE_EBF16 __khwcap2_feature(SVE_EBF16) |
| 147 | #define KERNEL_HWCAP_CSSC __khwcap2_feature(CSSC) |
| 148 | #define KERNEL_HWCAP_RPRFM __khwcap2_feature(RPRFM) |
| 149 | #define KERNEL_HWCAP_SVE2P1 __khwcap2_feature(SVE2P1) |
| 150 | #define KERNEL_HWCAP_SME2 __khwcap2_feature(SME2) |
| 151 | #define KERNEL_HWCAP_SME2P1 __khwcap2_feature(SME2P1) |
| 152 | #define KERNEL_HWCAP_SME_I16I32 __khwcap2_feature(SME_I16I32) |
| 153 | #define KERNEL_HWCAP_SME_BI32I32 __khwcap2_feature(SME_BI32I32) |
| 154 | #define KERNEL_HWCAP_SME_B16B16 __khwcap2_feature(SME_B16B16) |
| 155 | #define KERNEL_HWCAP_SME_F16F16 __khwcap2_feature(SME_F16F16) |
| 156 | #define KERNEL_HWCAP_MOPS __khwcap2_feature(MOPS) |
| 157 | #define KERNEL_HWCAP_HBC __khwcap2_feature(HBC) |
| 158 | #define KERNEL_HWCAP_SVE_B16B16 __khwcap2_feature(SVE_B16B16) |
| 159 | #define KERNEL_HWCAP_LRCPC3 __khwcap2_feature(LRCPC3) |
| 160 | #define KERNEL_HWCAP_LSE128 __khwcap2_feature(LSE128) |
| 161 | #define KERNEL_HWCAP_FPMR __khwcap2_feature(FPMR) |
| 162 | #define KERNEL_HWCAP_LUT __khwcap2_feature(LUT) |
| 163 | #define KERNEL_HWCAP_FAMINMAX __khwcap2_feature(FAMINMAX) |
| 164 | #define KERNEL_HWCAP_F8CVT __khwcap2_feature(F8CVT) |
| 165 | #define KERNEL_HWCAP_F8FMA __khwcap2_feature(F8FMA) |
| 166 | #define KERNEL_HWCAP_F8DP4 __khwcap2_feature(F8DP4) |
| 167 | #define KERNEL_HWCAP_F8DP2 __khwcap2_feature(F8DP2) |
| 168 | #define KERNEL_HWCAP_F8E4M3 __khwcap2_feature(F8E4M3) |
| 169 | #define KERNEL_HWCAP_F8E5M2 __khwcap2_feature(F8E5M2) |
| 170 | #define KERNEL_HWCAP_SME_LUTV2 __khwcap2_feature(SME_LUTV2) |
| 171 | #define KERNEL_HWCAP_SME_F8F16 __khwcap2_feature(SME_F8F16) |
| 172 | #define KERNEL_HWCAP_SME_F8F32 __khwcap2_feature(SME_F8F32) |
| 173 | #define KERNEL_HWCAP_SME_SF8FMA __khwcap2_feature(SME_SF8FMA) |
| 174 | #define KERNEL_HWCAP_SME_SF8DP4 __khwcap2_feature(SME_SF8DP4) |
| 175 | #define KERNEL_HWCAP_SME_SF8DP2 __khwcap2_feature(SME_SF8DP2) |
| 176 | #define KERNEL_HWCAP_POE __khwcap2_feature(POE) |
| 177 | |
| 178 | #define __khwcap3_feature(x) (const_ilog2(HWCAP3_ ## x) + 128) |
| 179 | #define KERNEL_HWCAP_MTE_FAR __khwcap3_feature(MTE_FAR) |
| 180 | #define KERNEL_HWCAP_MTE_STORE_ONLY __khwcap3_feature(MTE_STORE_ONLY) |
| 181 | #define KERNEL_HWCAP_LSFE __khwcap3_feature(LSFE) |
| 182 | |
| 183 | /* |
| 184 | * This yields a mask that user programs can use to figure out what |
| 185 | * instruction set this cpu supports. |
| 186 | */ |
| 187 | #define ELF_HWCAP cpu_get_elf_hwcap() |
| 188 | #define ELF_HWCAP2 cpu_get_elf_hwcap2() |
| 189 | #define ELF_HWCAP3 cpu_get_elf_hwcap3() |
| 190 | |
| 191 | #ifdef CONFIG_COMPAT |
| 192 | #define COMPAT_ELF_HWCAP (compat_elf_hwcap) |
| 193 | #define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2) |
| 194 | #define COMPAT_ELF_HWCAP3 (compat_elf_hwcap3) |
| 195 | extern unsigned int compat_elf_hwcap, compat_elf_hwcap2, compat_elf_hwcap3; |
| 196 | #endif |
| 197 | |
| 198 | enum { |
| 199 | CAP_HWCAP = 1, |
| 200 | #ifdef CONFIG_COMPAT |
| 201 | CAP_COMPAT_HWCAP, |
| 202 | CAP_COMPAT_HWCAP2, |
| 203 | #endif |
| 204 | }; |
| 205 | |
| 206 | #endif |
| 207 | #endif |
| 208 |
Warning: This file is not a C or C++ file. It does not have highlighting.