undefined.h revision 1.7 
1/*	$NetBSD: undefined.h,v 1.7 2004/08/07 12:05:54 rearnsha Exp $	*/
2
3/*
4 * Copyright (c) 1995-1996 Mark Brinicombe.
5 * Copyright (c) 1995 Brini.
6 * All rights reserved.
7 *
8 * This code is derived from software written for Brini by Mark Brinicombe
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 *    endorse or promote products derived from this software without specific
23 *    prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * RiscBSD kernel project
38 *
39 * undefined.h
40 *
41 * Undefined instruction types, symbols and prototypes
42 *
43 * Created      : 08/02/95
44 */
45
46
47#ifndef _ARM_UNDEFINED_H_
48#define _ARM_UNDEFINED_H_
49#ifdef _KERNEL
50
51#include <sys/queue.h>
52
53typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int));
54
55#define FPA_COPROC	1
56#define FPA_COPROC2	2
57#define SYSTEM_COPROC	15
58#define MAX_COPROCS	16
59
60/*
61 * Not really a co-processor, but used by the undefined instruction handler
62 * to catch undefined instructions in the core instruction set.
63 */
64#define CORE_UNKOWN_HANDLER	MAX_COPROCS
65
66/* Prototypes for undefined.c */
67
68void *install_coproc_handler __P((int, undef_handler_t));
69void remove_coproc_handler __P((void *));
70void undefined_init __P((void));
71
72/*
73 * XXX Stuff below here is for use before malloc() is available.  Most code
74 * shouldn't use it.
75 */
76
77struct undefined_handler {
78	LIST_ENTRY(undefined_handler) uh_link;
79	undef_handler_t uh_handler;
80};
81
82/*
83 * Handlers installed using install_coproc_handler_static shouldn't be
84 * removed.
85 */
86void install_coproc_handler_static __P((int, struct undefined_handler *));
87
88/* Calls up to undefined.c from trap handlers */
89void undefinedinstruction(struct trapframe *);
90
91#endif
92
93/* End of undefined.h */
94
95#endif /* _ARM_UNDEFINED_H_ */
96