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 38 extern 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_ */ 53