1/*	$NetBSD: proc.h,v 1.8 2020/12/06 02:26:33 christos Exp $	*/
 2
 3/*
 4 * Copyright (c) 1991, 1993
 5 *	The Regents of the University of California.  All rights reserved.
 6 *
 7 * Redistribution and use in source and binary forms, with or without
 8 * modification, are permitted provided that the following conditions
 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)proc.h	8.1 (Berkeley) 6/10/93
32 */
33
34#ifndef _M68K_PROC_H
35#define _M68K_PROC_H
36
37#include <machine/frame.h>
38
39/*
40 * Machine-dependent part of the lwp structure for m68k.
41 */
42struct mdlwp {
43	int	*md_regs;		/* registers on current frame */
44	int	md_flags;		/* machine-dependent flags */
45};
46
47/* md_flags */
48#define MDL_STACKADJ    0x0001  /* frame SP adjusted, might have to
49                                   undo when system call returns
50                                   ERESTART. */
51#define MDL_FPUSED	0x0002	/* floating point coprocessor used (sun[23]) */
52
53struct lwp;
54
55/*
56 * Machine-dependent part of the proc structure for m68k-based ports.
57 */
58struct mdproc {
59	int	mdp_flags;		/* machine-dependent flags */
60	void	(*md_syscall)(__register_t, struct lwp *, struct frame *);
61};
62
63/*
64 * Note: The following are the aggregate of all the MDP_* #defines from the
65 * various m68k-based ports at the time this file was created.
66 * Some of them are probably obsolete and/or not applicable to all ports.
67 */
68/* md_flags */
69#define	MDP_HPUXTRACE	0x0004  /* being traced by HP-UX process */
70#define	MDP_HPUXMMAP	0x0008	/* VA space is multiply mapped */
71#define MDP_CCBDATA	0x0010	/* copyback caching of data (68040) */
72#define MDP_CCBSTACK	0x0020	/* copyback caching of stack (68040) */
73
74#endif /* _M68K_PROC_H */