1/*	$NetBSD: reg.h,v 1.21 2019/10/27 09:38:09 rin 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. Neither the name of the University nor the names of its contributors
 21 *    may be used to endorse or promote products derived from this software
 22 *    without specific prior written permission.
 23 *
 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 34 * SUCH DAMAGE.
 35 *
 36 * from: Utah Hdr: reg.h 1.1 90/07/09
 37 *
 38 *	@(#)reg.h	7.2 (Berkeley) 11/3/90
 39 */
 40
 41#ifndef _M68K_REG_H_
 42#define _M68K_REG_H_
 43
 44/*
 45 * Register set accessible via /proc/$pid/reg and ptrace()
 46 */
 47struct reg {
 48	int	r_regs[16];	/* D0-D7/A0-A7 */
 49	int	r_sr;
 50	int	r_pc;
 51};
 52
 53struct fpreg {
 54	int	r_regs[8*3];	/* FP0-FP7 */
 55	int	r_fpcr;
 56	int	r_fpsr;
 57	int	r_fpiar;
 58};
 59
 60#if defined(_KERNEL) || defined(_STANDALONE)
 61
 62/* XXXX this is historical (but it can't be deprecated quite yet) */
 63/*
 64 * Location of the users' stored
 65 * registers relative to D0.
 66 * Usage is u.u_ar0[XX].
 67 */
 68#define	D0	(0)
 69#define	D1	(1)
 70#define	D2	(2)
 71#define	D3	(3)
 72#define	D4	(4)
 73#define	D5	(5)
 74#define	D6	(6)
 75#define	D7	(7)
 76#define	A0	(8)
 77#define	A1	(9)
 78#define	A2	(10)
 79#define	A3	(11)
 80#define	A4	(12)
 81#define	A5	(13)
 82#define	A6	(14)
 83#define	A7	(15)
 84
 85#define	FP	A6
 86#define	SP	A7
 87#define	PS	(16)
 88#define	PC	(17)
 89
 90/*
 91 * Due to a mental lapse somewhere down the line, wait returns its values
 92 * in strange registers.  Kludge it up here so we don't have to in the
 93 * machine-independent code.
 94 */
 95#define	R0	D1
 96#define	R1	A0
 97
 98#endif /* _KERNEL || _STANDALONE */
 99
100#ifdef _KERNEL
101
102struct lwp;
103int	process_read_regs(struct lwp *, struct reg *);
104int	process_read_fpregs(struct lwp *, struct fpreg *, size_t *);
105
106#endif /* _KERNEL */
107
108#endif /* !_M68K_REG_H_ */