1/*	$OpenBSD: elf.h,v 1.1 2024/07/14 09:48:48 jca Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-2-Clause
5 *
6 * Copyright (c) 2001 David E. O'Brien
7 * Copyright (c) 1996-1997 John D. Polstra.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef	_MACHINE_ELF_H_
33#define	_MACHINE_ELF_H_
34
35/*
36 * ELF definitions for the ARM architecture.
37 */
38
39#ifdef _KERNEL
40# define __HAVE_CPU_HWCAP
41# define __HAVE_CPU_HWCAP2
42extern unsigned long	hwcap, hwcap2;
43#endif /* _KERNEL */
44
45/* Flags passed in AT_HWCAP. */
46#define	HWCAP_SWP		0x00000001	/* Unsupported, never set.    */
47#define	HWCAP_HALF		0x00000002	/* Always set.                */
48#define	HWCAP_THUMB		0x00000004
49#define	HWCAP_26BIT		0x00000008	/* Unsupported, never set.    */
50#define	HWCAP_FAST_MULT		0x00000010	/* Always set.                */
51#define	HWCAP_FPA		0x00000020	/* Unsupported, never set.    */
52#define	HWCAP_VFP		0x00000040
53#define	HWCAP_EDSP		0x00000080	/* Always set for ARMv6+.     */
54#define	HWCAP_JAVA		0x00000100	/* Unsupported, never set.    */
55#define	HWCAP_IWMMXT		0x00000200	/* Unsupported, never set.    */
56#define	HWCAP_CRUNCH		0x00000400	/* Unsupported, never set.    */
57#define	HWCAP_THUMBEE		0x00000800
58#define	HWCAP_NEON		0x00001000
59#define	HWCAP_VFPv3		0x00002000
60#define	HWCAP_VFPv3D16		0x00004000
61#define	HWCAP_TLS		0x00008000	/* Always set for ARMv6+.     */
62#define	HWCAP_VFPv4		0x00010000
63#define	HWCAP_IDIVA		0x00020000
64#define	HWCAP_IDIVT		0x00040000
65#define	HWCAP_VFPD32		0x00080000
66#define	HWCAP_IDIV		(HWCAP_IDIVA | HWCAP_IDIVT)
67#define	HWCAP_LPAE		0x00100000
68#define	HWCAP_EVTSTRM		0x00200000	/* Not implemented yet.       */
69
70/* Flags passed in AT_HWCAP2. */
71#define	HWCAP2_AES		0x00000001
72#define	HWCAP2_PMULL		0x00000002
73#define	HWCAP2_SHA1		0x00000004
74#define	HWCAP2_SHA2		0x00000008
75#define	HWCAP2_CRC32		0x00000010
76
77#endif /* !_MACHINE_ELF_H_ */
78