xref: /netbsd/sys/arch/m68k/include/reg.h (revision bf9ec67e)
1 /*	$NetBSD: reg.h,v 1.13 1999/04/19 21:19:08 kleink Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
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  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  * from: Utah Hdr: reg.h 1.1 90/07/09
41  *
42  *	@(#)reg.h	7.2 (Berkeley) 11/3/90
43  */
44 
45 #ifndef _M68K_REG_H_
46 #define _M68K_REG_H_
47 
48 /*
49  * Register set accessible via /proc/$pid/reg and ptrace()
50  */
51 struct reg {
52 	int	r_regs[16];	/* D0-D7/A0-A7 */
53 	int	r_sr;
54 	int	r_pc;
55 };
56 
57 struct fpreg {
58 	int	r_regs[8*3];	/* FP0-FP7 */
59 	int	r_fpcr;
60 	int	r_fpsr;
61 	int	r_fpiar;
62 };
63 
64 /* XXXX this is historical (but it can't be deprecated quite yet) */
65 
66 /*
67  * Location of the users' stored
68  * registers relative to D0.
69  * Usage is u.u_ar0[XX].
70  */
71 #define	D0	(0)
72 #define	D1	(1)
73 #define	D2	(2)
74 #define	D3	(3)
75 #define	D4	(4)
76 #define	D5	(5)
77 #define	D6	(6)
78 #define	D7	(7)
79 #define	A0	(8)
80 #define	A1	(9)
81 #define	A2	(10)
82 #define	A3	(11)
83 #define	A4	(12)
84 #define	A5	(13)
85 #define	A6	(14)
86 #define	A7	(15)
87 
88 #define	FP	A6
89 #define	SP	A7
90 #define	PS	(16)
91 #define	PC	(17)
92 
93 #ifdef _KERNEL
94 /*
95  * Due to a mental lapse somewhere down the line, wait returns its values
96  * in strange registers.  Kludge it up here so we don't have to in the
97  * machine-independent code.
98  */
99 #define	R0	D1
100 #define	R1	A0
101 
102 struct proc;
103 int process_read_regs   __P((struct proc *, struct reg *));
104 int process_read_fpregs __P((struct proc *, struct fpreg *));
105 
106 #endif
107 
108 #endif /* !_M68K_REG_H_ */
109