| 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 |
| 42 | extern 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_ */ |