1 /*- 2 * Copyright (c) 1996-1997 John D. Polstra. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _MACHINE_ELF_H_ 30 #define _MACHINE_ELF_H_ 31 32 /* 33 * ELF definitions for the AArch64 architecture. 34 */ 35 36 #include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 37 #include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ 38 39 #ifndef __ELF_WORD_SIZE 40 #define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */ 41 #endif 42 43 #include <sys/elf_generic.h> 44 45 /* 46 * Auxiliary vector entries for passing information to the interpreter. 47 */ 48 49 typedef struct { /* Auxiliary vector entry on initial stack */ 50 int a_type; /* Entry type. */ 51 union { 52 int a_val; /* Integer value. */ 53 } a_un; 54 } Elf32_Auxinfo; 55 56 typedef struct { /* Auxiliary vector entry on initial stack */ 57 long a_type; /* Entry type. */ 58 union { 59 long a_val; /* Integer value. */ 60 void *a_ptr; /* Address. */ 61 void (*a_fcn)(void); /* Function pointer (not used). */ 62 } a_un; 63 } Elf64_Auxinfo; 64 65 __ElfType(Auxinfo); 66 67 #ifdef _MACHINE_ELF_WANT_32BIT 68 #define ELF_ARCH EM_ARM 69 #else 70 #define ELF_ARCH EM_AARCH64 71 #endif 72 73 #define ELF_MACHINE_OK(x) ((x) == (ELF_ARCH)) 74 75 /* Define "machine" characteristics */ 76 #if __ELF_WORD_SIZE == 64 77 #define ELF_TARG_CLASS ELFCLASS64 78 #define ELF_TARG_DATA ELFDATA2LSB 79 #define ELF_TARG_MACH EM_AARCH64 80 #define ELF_TARG_VER 1 81 #else 82 #define ELF_TARG_CLASS ELFCLASS32 83 #define ELF_TARG_DATA ELFDATA2LSB 84 #define ELF_TARG_MACH EM_ARM 85 #define ELF_TARG_VER 1 86 #endif 87 88 #if __ELF_WORD_SIZE == 32 89 #define ET_DYN_LOAD_ADDR 0x01001000 90 #else 91 #define ET_DYN_LOAD_ADDR 0x100000 92 #endif 93 94 /* HWCAP */ 95 #define HWCAP_FP 0x00000001 96 #define HWCAP_ASIMD 0x00000002 97 #define HWCAP_EVTSTRM 0x00000004 98 #define HWCAP_AES 0x00000008 99 #define HWCAP_PMULL 0x00000010 100 #define HWCAP_SHA1 0x00000020 101 #define HWCAP_SHA2 0x00000040 102 #define HWCAP_CRC32 0x00000080 103 #define HWCAP_ATOMICS 0x00000100 104 #define HWCAP_FPHP 0x00000200 105 #define HWCAP_ASIMDHP 0x00000400 106 /* 107 * XXX: The following bits (from CPUID to FLAGM) were originally incorrect, 108 * but later changed to match the Linux definitions. No compatibility code is 109 * provided, as the fix was expected to result in near-zero fallout. 110 */ 111 #define HWCAP_CPUID 0x00000800 112 #define HWCAP_ASIMDRDM 0x00001000 113 #define HWCAP_JSCVT 0x00002000 114 #define HWCAP_FCMA 0x00004000 115 #define HWCAP_LRCPC 0x00008000 116 #define HWCAP_DCPOP 0x00010000 117 #define HWCAP_SHA3 0x00020000 118 #define HWCAP_SM3 0x00040000 119 #define HWCAP_SM4 0x00080000 120 #define HWCAP_ASIMDDP 0x00100000 121 #define HWCAP_SHA512 0x00200000 122 #define HWCAP_SVE 0x00400000 123 #define HWCAP_ASIMDFHM 0x00800000 124 #define HWCAP_DIT 0x01000000 125 #define HWCAP_USCAT 0x02000000 126 #define HWCAP_ILRCPC 0x04000000 127 #define HWCAP_FLAGM 0x08000000 128 #define HWCAP_SSBS 0x10000000 129 #define HWCAP_SB 0x20000000 130 #define HWCAP_PACA 0x40000000 131 #define HWCAP_PACG 0x80000000 132 133 /* HWCAP2 */ 134 #define HWCAP2_DCPODP 0x00000001 135 #define HWCAP2_SVE2 0x00000002 136 #define HWCAP2_SVEAES 0x00000004 137 #define HWCAP2_SVEPMULL 0x00000008 138 #define HWCAP2_SVEBITPERM 0x00000010 139 #define HWCAP2_SVESHA3 0x00000020 140 #define HWCAP2_SVESM4 0x00000040 141 #define HWCAP2_FLAGM2 0x00000080 142 #define HWCAP2_FRINT 0x00000100 143 #define HWCAP2_SVEI8MM 0x00000200 144 #define HWCAP2_SVEF32MM 0x00000400 145 #define HWCAP2_SVEF64MM 0x00000800 146 #define HWCAP2_SVEBF16 0x00001000 147 #define HWCAP2_I8MM 0x00002000 148 #define HWCAP2_BF16 0x00004000 149 #define HWCAP2_DGH 0x00008000 150 #define HWCAP2_RNG 0x00010000 151 #define HWCAP2_BTI 0x00020000 152 153 #ifdef COMPAT_FREEBSD32 154 /* ARM HWCAP */ 155 #define HWCAP32_HALF 0x00000002 /* Always set. */ 156 #define HWCAP32_THUMB 0x00000004 /* Always set. */ 157 #define HWCAP32_FAST_MULT 0x00000010 /* Always set. */ 158 #define HWCAP32_VFP 0x00000040 159 #define HWCAP32_EDSP 0x00000080 /* Always set. */ 160 #define HWCAP32_NEON 0x00001000 161 #define HWCAP32_VFPv3 0x00002000 162 #define HWCAP32_TLS 0x00008000 /* Always set. */ 163 #define HWCAP32_VFPv4 0x00010000 164 #define HWCAP32_IDIVA 0x00020000 /* Always set. */ 165 #define HWCAP32_IDIVT 0x00040000 /* Always set. */ 166 #define HWCAP32_VFPD32 0x00080000 /* Always set. */ 167 #define HWCAP32_LPAE 0x00100000 /* Always set. */ 168 169 #define HWCAP32_DEFAULT \ 170 (HWCAP32_HALF | HWCAP32_THUMB | HWCAP32_FAST_MULT | HWCAP32_EDSP |\ 171 HWCAP32_TLS | HWCAP32_IDIVA | HWCAP32_IDIVT | HWCAP32_VFPD32 | \ 172 HWCAP32_LPAE) 173 174 /* ARM HWCAP2 */ 175 #define HWCAP32_2_AES 0x00000001 176 #define HWCAP32_2_PMULL 0x00000002 177 #define HWCAP32_2_SHA1 0x00000004 178 #define HWCAP32_2_SHA2 0x00000008 179 #define HWCAP32_2_CRC32 0x00000010 180 #endif 181 182 #endif /* !_MACHINE_ELF_H_ */ 183