1a9643ea8Slogwang /* $NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $ */ 2a9643ea8Slogwang 3a9643ea8Slogwang /*- 4*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-2-Clause-NetBSD 5*22ce4affSfengbojiang * 6a9643ea8Slogwang * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. 7a9643ea8Slogwang * All rights reserved. 8a9643ea8Slogwang * 9a9643ea8Slogwang * This code is derived from software contributed to The NetBSD Foundation 10a9643ea8Slogwang * by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc. 11a9643ea8Slogwang * 12a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 13a9643ea8Slogwang * modification, are permitted provided that the following conditions 14a9643ea8Slogwang * are met: 15a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 16a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 17a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 18a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 19a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 20a9643ea8Slogwang * 21a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22a9643ea8Slogwang * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23a9643ea8Slogwang * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24a9643ea8Slogwang * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25a9643ea8Slogwang * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26a9643ea8Slogwang * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27a9643ea8Slogwang * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28a9643ea8Slogwang * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29a9643ea8Slogwang * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30a9643ea8Slogwang * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31a9643ea8Slogwang * POSSIBILITY OF SUCH DAMAGE. 32a9643ea8Slogwang * 33a9643ea8Slogwang * $FreeBSD$ 34a9643ea8Slogwang */ 35a9643ea8Slogwang 36a9643ea8Slogwang #ifndef _MACHINE_MCONTEXT_H_ 37a9643ea8Slogwang #define _MACHINE_MCONTEXT_H_ 38a9643ea8Slogwang /* 39a9643ea8Slogwang * General register state 40a9643ea8Slogwang */ 41a9643ea8Slogwang #define _NGREG 17 42a9643ea8Slogwang typedef unsigned int __greg_t; 43a9643ea8Slogwang typedef __greg_t __gregset_t[_NGREG]; 44a9643ea8Slogwang 45a9643ea8Slogwang #define _REG_R0 0 46a9643ea8Slogwang #define _REG_R1 1 47a9643ea8Slogwang #define _REG_R2 2 48a9643ea8Slogwang #define _REG_R3 3 49a9643ea8Slogwang #define _REG_R4 4 50a9643ea8Slogwang #define _REG_R5 5 51a9643ea8Slogwang #define _REG_R6 6 52a9643ea8Slogwang #define _REG_R7 7 53a9643ea8Slogwang #define _REG_R8 8 54a9643ea8Slogwang #define _REG_R9 9 55a9643ea8Slogwang #define _REG_R10 10 56a9643ea8Slogwang #define _REG_R11 11 57a9643ea8Slogwang #define _REG_R12 12 58a9643ea8Slogwang #define _REG_R13 13 59a9643ea8Slogwang #define _REG_R14 14 60a9643ea8Slogwang #define _REG_R15 15 61a9643ea8Slogwang #define _REG_CPSR 16 62a9643ea8Slogwang /* Convenience synonyms */ 63a9643ea8Slogwang #define _REG_FP _REG_R11 64a9643ea8Slogwang #define _REG_SP _REG_R13 65a9643ea8Slogwang #define _REG_LR _REG_R14 66a9643ea8Slogwang #define _REG_PC _REG_R15 67a9643ea8Slogwang 68a9643ea8Slogwang /* 69a9643ea8Slogwang * Floating point register state 70a9643ea8Slogwang */ 71a9643ea8Slogwang typedef struct { 72*22ce4affSfengbojiang __uint64_t mcv_reg[32]; 73*22ce4affSfengbojiang __uint32_t mcv_fpscr; 74*22ce4affSfengbojiang } mcontext_vfp_t; 75a9643ea8Slogwang 76a9643ea8Slogwang typedef struct { 77a9643ea8Slogwang __gregset_t __gregs; 78*22ce4affSfengbojiang 79*22ce4affSfengbojiang /* 80*22ce4affSfengbojiang * Originally, rest of this structure was named __fpu, 35 * 4 bytes 81*22ce4affSfengbojiang * long, never accessed from kernel. 82*22ce4affSfengbojiang */ 83*22ce4affSfengbojiang __size_t mc_vfp_size; 84*22ce4affSfengbojiang void *mc_vfp_ptr; 85*22ce4affSfengbojiang unsigned int mc_spare[33]; 86a9643ea8Slogwang } mcontext_t; 87a9643ea8Slogwang 88*22ce4affSfengbojiang #define UC_ 89a9643ea8Slogwang #endif /* !_MACHINE_MCONTEXT_H_ */ 90