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