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 */