1 /* 2 * ARM AArch64 ELF definitions for bsd-user 3 * 4 * Copyright (c) 2015 Stacey D. Son 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef TARGET_ARCH_ELF_H 21 #define TARGET_ARCH_ELF_H 22 23 #define ELF_START_MMAP 0x80000000 24 #define ELF_ET_DYN_LOAD_ADDR 0x100000 25 26 #define elf_check_arch(x) ((x) == EM_AARCH64) 27 28 #define ELF_CLASS ELFCLASS64 29 #define ELF_DATA ELFDATA2LSB 30 #define ELF_ARCH EM_AARCH64 31 32 #define USE_ELF_CORE_DUMP 33 #define ELF_EXEC_PAGESIZE 4096 34 35 enum { 36 ARM_HWCAP_A64_FP = 1 << 0, 37 ARM_HWCAP_A64_ASIMD = 1 << 1, 38 ARM_HWCAP_A64_EVTSTRM = 1 << 2, 39 ARM_HWCAP_A64_AES = 1 << 3, 40 ARM_HWCAP_A64_PMULL = 1 << 4, 41 ARM_HWCAP_A64_SHA1 = 1 << 5, 42 ARM_HWCAP_A64_SHA2 = 1 << 6, 43 ARM_HWCAP_A64_CRC32 = 1 << 7, 44 ARM_HWCAP_A64_ATOMICS = 1 << 8, 45 ARM_HWCAP_A64_FPHP = 1 << 9, 46 ARM_HWCAP_A64_ASIMDHP = 1 << 10, 47 ARM_HWCAP_A64_CPUID = 1 << 11, 48 ARM_HWCAP_A64_ASIMDRDM = 1 << 12, 49 ARM_HWCAP_A64_JSCVT = 1 << 13, 50 ARM_HWCAP_A64_FCMA = 1 << 14, 51 ARM_HWCAP_A64_LRCPC = 1 << 15, 52 ARM_HWCAP_A64_DCPOP = 1 << 16, 53 ARM_HWCAP_A64_SHA3 = 1 << 17, 54 ARM_HWCAP_A64_SM3 = 1 << 18, 55 ARM_HWCAP_A64_SM4 = 1 << 19, 56 ARM_HWCAP_A64_ASIMDDP = 1 << 20, 57 ARM_HWCAP_A64_SHA512 = 1 << 21, 58 ARM_HWCAP_A64_SVE = 1 << 22, 59 ARM_HWCAP_A64_ASIMDFHM = 1 << 23, 60 ARM_HWCAP_A64_DIT = 1 << 24, 61 ARM_HWCAP_A64_USCAT = 1 << 25, 62 ARM_HWCAP_A64_ILRCPC = 1 << 26, 63 ARM_HWCAP_A64_FLAGM = 1 << 27, 64 ARM_HWCAP_A64_SSBS = 1 << 28, 65 ARM_HWCAP_A64_SB = 1 << 29, 66 ARM_HWCAP_A64_PACA = 1 << 30, 67 ARM_HWCAP_A64_PACG = 1UL << 31, 68 69 ARM_HWCAP2_A64_DCPODP = 1 << 0, 70 ARM_HWCAP2_A64_SVE2 = 1 << 1, 71 ARM_HWCAP2_A64_SVEAES = 1 << 2, 72 ARM_HWCAP2_A64_SVEPMULL = 1 << 3, 73 ARM_HWCAP2_A64_SVEBITPERM = 1 << 4, 74 ARM_HWCAP2_A64_SVESHA3 = 1 << 5, 75 ARM_HWCAP2_A64_SVESM4 = 1 << 6, 76 ARM_HWCAP2_A64_FLAGM2 = 1 << 7, 77 ARM_HWCAP2_A64_FRINT = 1 << 8, 78 ARM_HWCAP2_A64_SVEI8MM = 1 << 9, 79 ARM_HWCAP2_A64_SVEF32MM = 1 << 10, 80 ARM_HWCAP2_A64_SVEF64MM = 1 << 11, 81 ARM_HWCAP2_A64_SVEBF16 = 1 << 12, 82 ARM_HWCAP2_A64_I8MM = 1 << 13, 83 ARM_HWCAP2_A64_BF16 = 1 << 14, 84 ARM_HWCAP2_A64_DGH = 1 << 15, 85 ARM_HWCAP2_A64_RNG = 1 << 16, 86 ARM_HWCAP2_A64_BTI = 1 << 17, 87 ARM_HWCAP2_A64_MTE = 1 << 18, 88 }; 89 90 #define ELF_HWCAP get_elf_hwcap() 91 #define ELF_HWCAP2 get_elf_hwcap2() 92 93 #define GET_FEATURE_ID(feat, hwcap) \ 94 do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) 95 96 static uint32_t get_elf_hwcap(void) 97 { 98 ARMCPU *cpu = ARM_CPU(thread_cpu); 99 uint32_t hwcaps = 0; 100 101 hwcaps |= ARM_HWCAP_A64_FP; 102 hwcaps |= ARM_HWCAP_A64_ASIMD; 103 hwcaps |= ARM_HWCAP_A64_CPUID; 104 105 /* probe for the extra features */ 106 107 GET_FEATURE_ID(aa64_aes, ARM_HWCAP_A64_AES); 108 GET_FEATURE_ID(aa64_pmull, ARM_HWCAP_A64_PMULL); 109 GET_FEATURE_ID(aa64_sha1, ARM_HWCAP_A64_SHA1); 110 GET_FEATURE_ID(aa64_sha256, ARM_HWCAP_A64_SHA2); 111 GET_FEATURE_ID(aa64_sha512, ARM_HWCAP_A64_SHA512); 112 GET_FEATURE_ID(aa64_crc32, ARM_HWCAP_A64_CRC32); 113 GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3); 114 GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3); 115 GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4); 116 GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); 117 GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS); 118 GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); 119 GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); 120 GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); 121 GET_FEATURE_ID(aa64_sve, ARM_HWCAP_A64_SVE); 122 GET_FEATURE_ID(aa64_pauth, ARM_HWCAP_A64_PACA | ARM_HWCAP_A64_PACG); 123 GET_FEATURE_ID(aa64_fhm, ARM_HWCAP_A64_ASIMDFHM); 124 GET_FEATURE_ID(aa64_jscvt, ARM_HWCAP_A64_JSCVT); 125 GET_FEATURE_ID(aa64_sb, ARM_HWCAP_A64_SB); 126 GET_FEATURE_ID(aa64_condm_4, ARM_HWCAP_A64_FLAGM); 127 GET_FEATURE_ID(aa64_dcpop, ARM_HWCAP_A64_DCPOP); 128 GET_FEATURE_ID(aa64_rcpc_8_3, ARM_HWCAP_A64_LRCPC); 129 GET_FEATURE_ID(aa64_rcpc_8_4, ARM_HWCAP_A64_ILRCPC); 130 131 return hwcaps; 132 } 133 134 static uint32_t get_elf_hwcap2(void) 135 { 136 ARMCPU *cpu = ARM_CPU(thread_cpu); 137 uint32_t hwcaps = 0; 138 139 GET_FEATURE_ID(aa64_dcpodp, ARM_HWCAP2_A64_DCPODP); 140 GET_FEATURE_ID(aa64_sve2, ARM_HWCAP2_A64_SVE2); 141 GET_FEATURE_ID(aa64_sve2_aes, ARM_HWCAP2_A64_SVEAES); 142 GET_FEATURE_ID(aa64_sve2_pmull128, ARM_HWCAP2_A64_SVEPMULL); 143 GET_FEATURE_ID(aa64_sve2_bitperm, ARM_HWCAP2_A64_SVEBITPERM); 144 GET_FEATURE_ID(aa64_sve2_sha3, ARM_HWCAP2_A64_SVESHA3); 145 GET_FEATURE_ID(aa64_sve2_sm4, ARM_HWCAP2_A64_SVESM4); 146 GET_FEATURE_ID(aa64_condm_5, ARM_HWCAP2_A64_FLAGM2); 147 GET_FEATURE_ID(aa64_frint, ARM_HWCAP2_A64_FRINT); 148 GET_FEATURE_ID(aa64_sve_i8mm, ARM_HWCAP2_A64_SVEI8MM); 149 GET_FEATURE_ID(aa64_sve_f32mm, ARM_HWCAP2_A64_SVEF32MM); 150 GET_FEATURE_ID(aa64_sve_f64mm, ARM_HWCAP2_A64_SVEF64MM); 151 GET_FEATURE_ID(aa64_sve_bf16, ARM_HWCAP2_A64_SVEBF16); 152 GET_FEATURE_ID(aa64_i8mm, ARM_HWCAP2_A64_I8MM); 153 GET_FEATURE_ID(aa64_bf16, ARM_HWCAP2_A64_BF16); 154 GET_FEATURE_ID(aa64_rndr, ARM_HWCAP2_A64_RNG); 155 GET_FEATURE_ID(aa64_bti, ARM_HWCAP2_A64_BTI); 156 GET_FEATURE_ID(aa64_mte, ARM_HWCAP2_A64_MTE); 157 158 return hwcaps; 159 } 160 161 #undef GET_FEATURE_ID 162 163 #endif /* TARGET_ARCH_ELF_H */ 164