1/* $OpenBSD: elf.h,v 1.3 2024/07/14 09:48:49 jca Exp $ */
2
3/*-
4 * Copyright (c) 1996-1997 John D. Polstra.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _MACHINE_ELF_H_
30#define _MACHINE_ELF_H_
31
32/*
33 * ELF definitions for the RISC-V architecture.
34 */
35
36#ifdef _KERNEL
37# define __HAVE_CPU_HWCAP
38extern unsigned long hwcap;
39#endif /* _KERNEL */
40
41/* Flags passed in AT_HWCAP */
42#define HWCAP_ISA_BIT(c) (1 << ((c) - 'a'))
43#define HWCAP_ISA_I HWCAP_ISA_BIT('i')
44#define HWCAP_ISA_M HWCAP_ISA_BIT('m')
45#define HWCAP_ISA_A HWCAP_ISA_BIT('a')
46#define HWCAP_ISA_F HWCAP_ISA_BIT('f')
47#define HWCAP_ISA_D HWCAP_ISA_BIT('d')
48#define HWCAP_ISA_C HWCAP_ISA_BIT('c')
49#define HWCAP_ISA_G \
50 (HWCAP_ISA_I | HWCAP_ISA_M | HWCAP_ISA_A | HWCAP_ISA_F | HWCAP_ISA_D)
51
52#endif /* !_MACHINE_ELF_H_ */