xref: /netbsd/sys/arch/m68k/include/proc.h (revision 6550d01e)
1 /*	$NetBSD: proc.h,v 1.7 2011/01/14 02:06:27 rmind 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  */
42 struct 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 
53 struct lwp;
54 
55 /*
56  * Machine-dependent part of the proc structure for m68k-based ports.
57  */
58 struct 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 */
75