xref: /netbsd-src/sys/arch/m68k/include/proc.h (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: proc.h,v 1.3 2003/01/17 23:18:28 thorpej 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)proc.h	8.1 (Berkeley) 6/10/93
36  */
37 
38 #ifndef _M68K_PROC_H
39 #define _M68K_PROC_H
40 
41 #include <machine/frame.h>
42 
43 /*
44  * Machine-dependent part of the lwp structure for m68k.
45  */
46 struct mdlwp {
47 	int	*md_regs;		/* registers on current frame */
48 	int	md_flags;		/* machine-dependent flags */
49 };
50 
51 /* md_flags */
52 #define MDL_STACKADJ    0x0001  /* frame SP adjusted, might have to
53                                    undo when system call returns
54                                    ERESTART. */
55 #define MDL_FPUSED	0x0002	/* floating point coprocessor used (sun[23]) */
56 
57 struct lwp;
58 
59 /*
60  * Machine-dependent part of the proc structure for m68k-based ports.
61  */
62 struct mdproc {
63 	int	mdp_flags;		/* machine-dependent flags */
64 	void	(*md_syscall)(register_t, struct lwp *, struct frame *);
65 };
66 
67 /*
68  * Note: The following are the aggregate of all the MDP_* #defines from the
69  * various m68k-based ports at the time this file was created.
70  * Some of them are probably obsolete and/or not applicable to all ports.
71  */
72 /* md_flags */
73 #define	MDP_HPUXTRACE	0x0004  /* being traced by HP-UX process */
74 #define	MDP_HPUXMMAP	0x0008	/* VA space is multiply mapped */
75 #define MDP_CCBDATA	0x0010	/* copyback caching of data (68040) */
76 #define MDP_CCBSTACK	0x0020	/* copyback caching of stack (68040) */
77 
78 #endif /* _M68K_PROC_H */
79