xref: /freebsd/sys/arm64/include/elf.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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 
51 typedef 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 
58 typedef 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 /* HWCAP */
97 #define	HWCAP_FP		0x00000001
98 #define	HWCAP_ASIMD		0x00000002
99 #define	HWCAP_EVTSTRM		0x00000004
100 #define	HWCAP_AES		0x00000008
101 #define	HWCAP_PMULL		0x00000010
102 #define	HWCAP_SHA1		0x00000020
103 #define	HWCAP_SHA2		0x00000040
104 #define	HWCAP_CRC32		0x00000080
105 #define	HWCAP_ATOMICS		0x00000100
106 #define	HWCAP_FPHP		0x00000200
107 #define	HWCAP_ASIMDHP		0x00000400
108 /*
109  * XXX: The following bits (from CPUID to FLAGM) were originally incorrect,
110  * but later changed to match the Linux definitions. No compatibility code is
111  * provided, as the fix was expected to result in near-zero fallout.
112  */
113 #define	HWCAP_CPUID		0x00000800
114 #define	HWCAP_ASIMDRDM		0x00001000
115 #define	HWCAP_JSCVT		0x00002000
116 #define	HWCAP_FCMA		0x00004000
117 #define	HWCAP_LRCPC		0x00008000
118 #define	HWCAP_DCPOP		0x00010000
119 #define	HWCAP_SHA3		0x00020000
120 #define	HWCAP_SM3		0x00040000
121 #define	HWCAP_SM4		0x00080000
122 #define	HWCAP_ASIMDDP		0x00100000
123 #define	HWCAP_SHA512		0x00200000
124 #define	HWCAP_SVE		0x00400000
125 #define	HWCAP_ASIMDFHM		0x00800000
126 #define	HWCAP_DIT		0x01000000
127 #define	HWCAP_USCAT		0x02000000
128 #define	HWCAP_ILRCPC		0x04000000
129 #define	HWCAP_FLAGM		0x08000000
130 #define	HWCAP_SSBS		0x10000000
131 #define	HWCAP_SB		0x20000000
132 #define	HWCAP_PACA		0x40000000
133 #define	HWCAP_PACG		0x80000000
134 
135 /* HWCAP2 */
136 #define	HWCAP2_DCPODP		0x0000000000000001ul
137 #define	HWCAP2_SVE2		0x0000000000000002ul
138 #define	HWCAP2_SVEAES		0x0000000000000004ul
139 #define	HWCAP2_SVEPMULL		0x0000000000000008ul
140 #define	HWCAP2_SVEBITPERM	0x0000000000000010ul
141 #define	HWCAP2_SVESHA3		0x0000000000000020ul
142 #define	HWCAP2_SVESM4		0x0000000000000040ul
143 #define	HWCAP2_FLAGM2		0x0000000000000080ul
144 #define	HWCAP2_FRINT		0x0000000000000100ul
145 #define	HWCAP2_SVEI8MM		0x0000000000000200ul
146 #define	HWCAP2_SVEF32MM		0x0000000000000400ul
147 #define	HWCAP2_SVEF64MM		0x0000000000000800ul
148 #define	HWCAP2_SVEBF16		0x0000000000001000ul
149 #define	HWCAP2_I8MM		0x0000000000002000ul
150 #define	HWCAP2_BF16		0x0000000000004000ul
151 #define	HWCAP2_DGH		0x0000000000008000ul
152 #define	HWCAP2_RNG		0x0000000000010000ul
153 #define	HWCAP2_BTI		0x0000000000020000ul
154 #define	HWCAP2_MTE		0x0000000000040000ul
155 #define	HWCAP2_ECV		0x0000000000080000ul
156 #define	HWCAP2_AFP		0x0000000000100000ul
157 #define	HWCAP2_RPRES		0x0000000000200000ul
158 #define	HWCAP2_MTE3		0x0000000000400000ul
159 #define	HWCAP2_SME		0x0000000000800000ul
160 #define	HWCAP2_SME_I16I64	0x0000000001000000ul
161 #define	HWCAP2_SME_F64F64	0x0000000002000000ul
162 #define	HWCAP2_SME_I8I32	0x0000000004000000ul
163 #define	HWCAP2_SME_F16F32	0x0000000008000000ul
164 #define	HWCAP2_SME_B16F32	0x0000000010000000ul
165 #define	HWCAP2_SME_F32F32	0x0000000020000000ul
166 #define	HWCAP2_SME_FA64		0x0000000040000000ul
167 #define	HWCAP2_WFXT		0x0000000080000000ul
168 #define	HWCAP2_EBF16		0x0000000100000000ul
169 #define	HWCAP2_SVE_EBF16	0x0000000200000000ul
170 #define	HWCAP2_CSSC		0x0000000400000000ul
171 #define	HWCAP2_RPRFM		0x0000000800000000ul
172 #define	HWCAP2_SVE2P1		0x0000001000000000ul
173 #define	HWCAP2_SME2		0x0000002000000000ul
174 #define	HWCAP2_SME2P1		0x0000004000000000ul
175 #define	HWCAP2_SME_I16I32	0x0000008000000000ul
176 #define	HWCAP2_SME_BI32I32	0x0000010000000000ul
177 #define	HWCAP2_SME_B16B16	0x0000020000000000ul
178 #define	HWCAP2_SME_F16F16	0x0000040000000000ul
179 #define	HWCAP2_MOPS		0x0000080000000000ul
180 #define	HWCAP2_HBC		0x0000100000000000ul
181 
182 #ifdef COMPAT_FREEBSD32
183 /* ARM HWCAP */
184 #define	HWCAP32_HALF		0x00000002	/* Always set.               */
185 #define	HWCAP32_THUMB		0x00000004	/* Always set.               */
186 #define	HWCAP32_FAST_MULT	0x00000010	/* Always set.               */
187 #define	HWCAP32_VFP		0x00000040
188 #define	HWCAP32_EDSP		0x00000080	/* Always set.               */
189 #define	HWCAP32_NEON		0x00001000
190 #define	HWCAP32_VFPv3		0x00002000
191 #define	HWCAP32_TLS		0x00008000	/* Always set.               */
192 #define	HWCAP32_VFPv4		0x00010000
193 #define	HWCAP32_IDIVA		0x00020000	/* Always set.               */
194 #define	HWCAP32_IDIVT		0x00040000	/* Always set.               */
195 #define	HWCAP32_VFPD32		0x00080000	/* Always set.               */
196 #define	HWCAP32_LPAE		0x00100000	/* Always set.               */
197 
198 #define HWCAP32_DEFAULT \
199    (HWCAP32_HALF | HWCAP32_THUMB | HWCAP32_FAST_MULT | HWCAP32_EDSP |\
200     HWCAP32_TLS | HWCAP32_IDIVA | HWCAP32_IDIVT | HWCAP32_VFPD32 |   \
201     HWCAP32_LPAE)
202 
203 /* ARM HWCAP2 */
204 #define	HWCAP32_2_AES		0x00000001
205 #define	HWCAP32_2_PMULL		0x00000002
206 #define	HWCAP32_2_SHA1		0x00000004
207 #define	HWCAP32_2_SHA2		0x00000008
208 #define	HWCAP32_2_CRC32		0x00000010
209 #endif
210 
211 #endif /* !_MACHINE_ELF_H_ */
212 
213 #endif /* !__arm__ */
214