xref: /netbsd-src/sys/arch/m68k/include/reg.h (revision 179b12252ecaf3553d9c2b7458ce62b6a2203d0c)
1 /*	$NetBSD: reg.h,v 1.17 2005/12/11 12:17:53 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * from: Utah Hdr: reg.h 1.1 90/07/09
36  *
37  *	@(#)reg.h	7.2 (Berkeley) 11/3/90
38  */
39 /*
40  * Copyright (c) 1988 University of Utah.
41  *
42  * This code is derived from software contributed to Berkeley by
43  * the Systems Programming Group of the University of Utah Computer
44  * Science Department.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. All advertising materials mentioning features or use of this software
55  *    must display the following acknowledgement:
56  *	This product includes software developed by the University of
57  *	California, Berkeley and its contributors.
58  * 4. Neither the name of the University nor the names of its contributors
59  *    may be used to endorse or promote products derived from this software
60  *    without specific prior written permission.
61  *
62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72  * SUCH DAMAGE.
73  *
74  * from: Utah Hdr: reg.h 1.1 90/07/09
75  *
76  *	@(#)reg.h	7.2 (Berkeley) 11/3/90
77  */
78 
79 #ifndef _M68K_REG_H_
80 #define _M68K_REG_H_
81 
82 /*
83  * Register set accessible via /proc/$pid/reg and ptrace()
84  */
85 struct reg {
86 	int	r_regs[16];	/* D0-D7/A0-A7 */
87 	int	r_sr;
88 	int	r_pc;
89 };
90 
91 struct fpreg {
92 	int	r_regs[8*3];	/* FP0-FP7 */
93 	int	r_fpcr;
94 	int	r_fpsr;
95 	int	r_fpiar;
96 };
97 
98 /* XXXX this is historical (but it can't be deprecated quite yet) */
99 
100 /*
101  * Location of the users' stored
102  * registers relative to D0.
103  * Usage is u.u_ar0[XX].
104  */
105 #define	D0	(0)
106 #define	D1	(1)
107 #define	D2	(2)
108 #define	D3	(3)
109 #define	D4	(4)
110 #define	D5	(5)
111 #define	D6	(6)
112 #define	D7	(7)
113 #define	A0	(8)
114 #define	A1	(9)
115 #define	A2	(10)
116 #define	A3	(11)
117 #define	A4	(12)
118 #define	A5	(13)
119 #define	A6	(14)
120 #define	A7	(15)
121 
122 #define	FP	A6
123 #define	SP	A7
124 #define	PS	(16)
125 #define	PC	(17)
126 
127 #ifdef _KERNEL
128 /*
129  * Due to a mental lapse somewhere down the line, wait returns its values
130  * in strange registers.  Kludge it up here so we don't have to in the
131  * machine-independent code.
132  */
133 #define	R0	D1
134 #define	R1	A0
135 
136 struct lwp;
137 int	process_read_regs(struct lwp *, struct reg *);
138 int	process_read_fpregs(struct lwp *, struct fpreg *);
139 
140 #endif
141 
142 #endif /* !_M68K_REG_H_ */
143