reg.h revision 1.6 
1/*
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	from: Utah Hdr: reg.h 1.1 90/07/09
39 *	from: @(#)reg.h	7.2 (Berkeley) 11/3/90
40 *	$Id: reg.h,v 1.6 1994/01/06 17:05:34 mycroft Exp $
41 */
42
43#ifndef _HP300_REG_H_
44#define _HP300_REG_H_
45
46/*
47 * Register set accessible via /proc/$pid/reg and ptrace()
48 */
49struct reg {
50	int	r_regs[16];	/* D0-D7/A0-A7 */
51	int	r_pc;
52	int	r_sr;
53};
54
55/* XXXX this is historical */
56
57/*
58 * Location of the users' stored
59 * registers relative to D0.
60 * Usage is u.u_ar0[XX].
61 */
62#define	D0	(0)
63#define	D1	(1)
64#define	D2	(2)
65#define	D3	(3)
66#define	D4	(4)
67#define	D5	(5)
68#define	D6	(6)
69#define	D7	(7)
70#define	A0	(8)
71#define	A1	(9)
72#define	A2	(10)
73#define	A3	(11)
74#define	A4	(12)
75#define	A5	(13)
76#define	A6	(14)
77#define	A7	(15)
78
79#define	SP	A7
80#define	PC	(17)
81#define	PS	(16)
82
83#define	NIPCREG 17
84
85#ifdef IPCREG
86int ipcreg[NIPCREG] =
87	{D0,D1,D2,D3,D4,D5,D6,D7,A0,A1,A2,A3,A4,A5,A6,A7,PC};
88#endif
89
90#ifdef KERNEL
91/*
92 * Due to a mental lapse somewhere down the line, wait returns its values
93 * in strange registers.  Kludge it up here so we don't have to in the
94 * machine-independent code.
95 */
96#define	R0	D1
97#define	R1	A0
98#endif
99
100#endif /* !_HP300_REG_H_ */
101