xref: /freebsd/sys/arm64/include/elf.h (revision eac7052fdebb90caf2f653e06187bdbca837b9c7)
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 0x12000
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 /* XXX: The following bits don't match the Linux definitions */
106 #define	HWCAP_CPUID		0x00000400
107 #define	HWCAP_ASIMDRDM		0x00000800
108 #define	HWCAP_JSCVT		0x00001000
109 #define	HWCAP_FCMA		0x00002000
110 #define	HWCAP_LRCPC		0x00004000
111 #define	HWCAP_DCPOP		0x00008000
112 #define	HWCAP_SHA3		0x00010000
113 #define	HWCAP_SM3		0x00020000
114 #define	HWCAP_SM4		0x00040000
115 #define	HWCAP_ASIMDDP		0x00080000
116 #define	HWCAP_SHA512		0x00100000
117 #define	HWCAP_SVE		0x00200000
118 #define	HWCAP_ASIMDFHM		0x00400000
119 #define	HWCAP_DIT		0x00800000
120 #define	HWCAP_USCAT		0x01000000
121 #define	HWCAP_ILRCPC		0x02000000
122 #define	HWCAP_FLAGM		0x04000000
123 /* XXX: end of incorrect definitions */
124 #define	HWCAP_SSBS		0x10000000
125 #define	HWCAP_SB		0x20000000
126 #define	HWCAP_PACA		0x40000000
127 #define	HWCAP_PACG		0x80000000
128 
129 /* HWCAP2 */
130 #define	HWCAP2_DCPODP		0x00000001
131 #define	HWCAP2_SVE2		0x00000002
132 #define	HWCAP2_SVEAES		0x00000004
133 #define	HWCAP2_SVEPMULL		0x00000008
134 #define	HWCAP2_SVEBITPERM	0x00000010
135 #define	HWCAP2_SVESHA3		0x00000020
136 #define	HWCAP2_SVESM4		0x00000040
137 #define	HWCAP2_FLAGM2		0x00000080
138 #define	HWCAP2_FRINT		0x00000100
139 #define	HWCAP2_SVEI8MM		0x00000200
140 #define	HWCAP2_SVEF32MM		0x00000400
141 #define	HWCAP2_SVEF64MM		0x00000800
142 #define	HWCAP2_SVEBF16		0x00001000
143 #define	HWCAP2_I8MM		0x00002000
144 #define	HWCAP2_BF16		0x00004000
145 #define	HWCAP2_DGH		0x00008000
146 #define	HWCAP2_RNG		0x00010000
147 #define	HWCAP2_BTI		0x00020000
148 
149 #endif /* !_MACHINE_ELF_H_ */
150