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
27#ifdef __arm__
28#include <arm/elf.h>
29#else /* !__arm__ */
30
31#ifndef _MACHINE_ELF_H_
32#define _MACHINE_ELF_H_
33
34/*
35 * ELF definitions for the AArch64 architecture.
36 */
37
38#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
39#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
40
41#ifndef __ELF_WORD_SIZE
42#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
43#endif
44
45#include <sys/elf_generic.h>
46
47/*
48 * Auxiliary vector entries for passing information to the interpreter.
49 */
50
51typedef struct { /* Auxiliary vector entry on initial stack */
52 int a_type; /* Entry type. */
53 union {
54 int a_val; /* Integer value. */
55 } a_un;
56} Elf32_Auxinfo;
57
58typedef struct { /* Auxiliary vector entry on initial stack */
59 long a_type; /* Entry type. */
60 union {
61 long a_val; /* Integer value. */
62 void *a_ptr; /* Address. */
63 void (*a_fcn)(void); /* Function pointer (not used). */
64 } a_un;
65} Elf64_Auxinfo;
66
67__ElfType(Auxinfo);
68
69#ifdef _MACHINE_ELF_WANT_32BIT
70#define ELF_ARCH EM_ARM
71#else
72#define ELF_ARCH EM_AARCH64
73#endif
74
75#define ELF_MACHINE_OK(x) ((x) == (ELF_ARCH))
76
77/* Define "machine" characteristics */
78#if __ELF_WORD_SIZE == 64
79#define ELF_TARG_CLASS ELFCLASS64
80#define ELF_TARG_DATA ELFDATA2LSB
81#define ELF_TARG_MACH EM_AARCH64
82#define ELF_TARG_VER 1
83#else
84#define ELF_TARG_CLASS ELFCLASS32
85#define ELF_TARG_DATA ELFDATA2LSB
86#define ELF_TARG_MACH EM_ARM
87#define ELF_TARG_VER 1
88#endif
89
90#if __ELF_WORD_SIZE == 32
91#define ET_DYN_LOAD_ADDR 0x01001000
92#else
93#define ET_DYN_LOAD_ADDR 0x100000
94#endif
95
96/* First __FreeBSD_version that supports Top Byte Ignore (TBI) */
97#define TBI_VERSION 1500058
98
99/* HWCAP */
100#define HWCAP_FP (1 << 0)
101#define HWCAP_ASIMD (1 << 1)
102#define HWCAP_EVTSTRM (1 << 2)
103#define HWCAP_AES (1 << 3)
104#define HWCAP_PMULL (1 << 4)
105#define HWCAP_SHA1 (1 << 5)
106#define HWCAP_SHA2 (1 << 6)
107#define HWCAP_CRC32 (1 << 7)
108#define HWCAP_ATOMICS (1 << 8)
109#define HWCAP_FPHP (1 << 9)
110#define HWCAP_ASIMDHP (1 << 10)
111/*
112 * XXX: The following bits (from CPUID to FLAGM) were originally incorrect,
113 * but later changed to match the Linux definitions. No compatibility code is
114 * provided, as the fix was expected to result in near-zero fallout.
115 */
116#define HWCAP_CPUID (1 << 11)
117#define HWCAP_ASIMDRDM (1 << 12)
118#define HWCAP_JSCVT (1 << 13)
119#define HWCAP_FCMA (1 << 14)
120#define HWCAP_LRCPC (1 << 15)
121#define HWCAP_DCPOP (1 << 16)
122#define HWCAP_SHA3 (1 << 17)
123#define HWCAP_SM3 (1 << 18)
124#define HWCAP_SM4 (1 << 19)
125#define HWCAP_ASIMDDP (1 << 20)
126#define HWCAP_SHA512 (1 << 21)
127#define HWCAP_SVE (1 << 22)
128#define HWCAP_ASIMDFHM (1 << 23)
129#define HWCAP_DIT (1 << 24)
130#define HWCAP_USCAT (1 << 25)
131#define HWCAP_ILRCPC (1 << 26)
132#define HWCAP_FLAGM (1 << 27)
133#define HWCAP_SSBS (1 << 28)
134#define HWCAP_SB (1 << 29)
135#define HWCAP_PACA (1 << 30)
136#define HWCAP_PACG (1UL << 31)
137#define HWCAP_GCS (1UL << 32)
138
139/* HWCAP2 */
140#define HWCAP2_DCPODP (1 << 0)
141#define HWCAP2_SVE2 (1 << 1)
142#define HWCAP2_SVEAES (1 << 2)
143#define HWCAP2_SVEPMULL (1 << 3)
144#define HWCAP2_SVEBITPERM (1 << 4)
145#define HWCAP2_SVESHA3 (1 << 5)
146#define HWCAP2_SVESM4 (1 << 6)
147#define HWCAP2_FLAGM2 (1 << 7)
148#define HWCAP2_FRINT (1 << 8)
149#define HWCAP2_SVEI8MM (1 << 9)
150#define HWCAP2_SVEF32MM (1 << 10)
151#define HWCAP2_SVEF64MM (1 << 11)
152#define HWCAP2_SVEBF16 (1 << 12)
153#define HWCAP2_I8MM (1 << 13)
154#define HWCAP2_BF16 (1 << 14)
155#define HWCAP2_DGH (1 << 15)
156#define HWCAP2_RNG (1 << 16)
157#define HWCAP2_BTI (1 << 17)
158#define HWCAP2_MTE (1 << 18)
159#define HWCAP2_ECV (1 << 19)
160#define HWCAP2_AFP (1 << 20)
161#define HWCAP2_RPRES (1 << 21)
162#define HWCAP2_MTE3 (1 << 22)
163#define HWCAP2_SME (1 << 23)
164#define HWCAP2_SME_I16I64 (1 << 24)
165#define HWCAP2_SME_F64F64 (1 << 25)
166#define HWCAP2_SME_I8I32 (1 << 26)
167#define HWCAP2_SME_F16F32 (1 << 27)
168#define HWCAP2_SME_B16F32 (1 << 28)
169#define HWCAP2_SME_F32F32 (1 << 29)
170#define HWCAP2_SME_FA64 (1 << 30)
171#define HWCAP2_WFXT (1UL << 31)
172#define HWCAP2_EBF16 (1UL << 32)
173#define HWCAP2_SVE_EBF16 (1UL << 33)
174#define HWCAP2_CSSC (1UL << 34)
175#define HWCAP2_RPRFM (1UL << 35)
176#define HWCAP2_SVE2P1 (1UL << 36)
177#define HWCAP2_SME2 (1UL << 37)
178#define HWCAP2_SME2P1 (1UL << 38)
179#define HWCAP2_SME_I16I32 (1UL << 39)
180#define HWCAP2_SME_BI32I32 (1UL << 40)
181#define HWCAP2_SME_B16B16 (1UL << 41)
182#define HWCAP2_SME_F16F16 (1UL << 42)
183#define HWCAP2_MOPS (1UL << 43)
184#define HWCAP2_HBC (1UL << 44)
185#define HWCAP2_SVE_B16B16 (1UL << 45)
186#define HWCAP2_LRCPC3 (1UL << 46)
187#define HWCAP2_LSE128 (1UL << 47)
188#define HWCAP2_FPMR (1UL << 48)
189#define HWCAP2_LUT (1UL << 49)
190#define HWCAP2_FAMINMAX (1UL << 50)
191#define HWCAP2_F8CVT (1UL << 51)
192#define HWCAP2_F8FMA (1UL << 52)
193#define HWCAP2_F8DP4 (1UL << 53)
194#define HWCAP2_F8DP2 (1UL << 54)
195#define HWCAP2_F8E4M3 (1UL << 55)
196#define HWCAP2_F8E5M2 (1UL << 56)
197#define HWCAP2_SME_LUTV2 (1UL << 57)
198#define HWCAP2_SME_F8F16 (1UL << 58)
199#define HWCAP2_SME_F8F32 (1UL << 59)
200#define HWCAP2_SME_SF8FMA (1UL << 60)
201#define HWCAP2_SME_SF8DP4 (1UL << 61)
202#define HWCAP2_SME_SF8DP2 (1UL << 62)
203#define HWCAP2_POE (1UL << 63)
204
205#ifdef COMPAT_FREEBSD32
206/* ARM HWCAP */
207#define HWCAP32_HALF 0x00000002 /* Always set. */
208#define HWCAP32_THUMB 0x00000004 /* Always set. */
209#define HWCAP32_FAST_MULT 0x00000010 /* Always set. */
210#define HWCAP32_VFP 0x00000040
211#define HWCAP32_EDSP 0x00000080 /* Always set. */
212#define HWCAP32_NEON 0x00001000
213#define HWCAP32_VFPv3 0x00002000
214#define HWCAP32_TLS 0x00008000 /* Always set. */
215#define HWCAP32_VFPv4 0x00010000
216#define HWCAP32_IDIVA 0x00020000 /* Always set. */
217#define HWCAP32_IDIVT 0x00040000 /* Always set. */
218#define HWCAP32_VFPD32 0x00080000 /* Always set. */
219#define HWCAP32_LPAE 0x00100000 /* Always set. */
220
221#define HWCAP32_DEFAULT \
222 (HWCAP32_HALF | HWCAP32_THUMB | HWCAP32_FAST_MULT | HWCAP32_EDSP |\
223 HWCAP32_TLS | HWCAP32_IDIVA | HWCAP32_IDIVT | HWCAP32_VFPD32 | \
224 HWCAP32_LPAE)
225
226/* ARM HWCAP2 */
227#define HWCAP32_2_AES 0x00000001
228#define HWCAP32_2_PMULL 0x00000002
229#define HWCAP32_2_SHA1 0x00000004
230#define HWCAP32_2_SHA2 0x00000008
231#define HWCAP32_2_CRC32 0x00000010
232#endif
233
234#endif /* !_MACHINE_ELF_H_ */
235
236#endif /* !__arm__ */