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_ */