undefined.h revision 1.12 
1/*	$NetBSD: undefined.h,v 1.12 2009/03/14 14:45:55 dsl 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)(unsigned int, unsigned int, trapframe_t *, int);
54
55/*
56 * Enumeration of coprocessor numbers.  Values may be duplicated
57 * (the iWMMX coprocessor clashes with the FPA, for example), but
58 * keep this table in numeric order.
59 */
60enum arm_coprocs {
61	FPA_COPROC = 1,
62	FPA_COPROC2 = 2,
63	VFP_COPROC = 10,
64	VFP_COPROC2 = 11,
65	DEBUG_COPROC = 14,
66	SYSTEM_COPROC = 15,
67	/*
68	 *The following are not really co-processors, but are on the end
69	 * of the unknown instruction table for each coproc.
70	 */
71	CORE_UNKNOWN_HANDLER = 16,
72#ifdef THUMB_CODE
73	THUMB_UNKNOWN_HANDLER = 17,
74#endif
75	NUM_UNKNOWN_HANDLERS	/* Last entry */
76};
77
78/* Prototypes for undefined.c */
79
80void *install_coproc_handler(int, undef_handler_t);
81void remove_coproc_handler(void *);
82void undefined_init(void);
83
84/*
85 * XXX Stuff below here is for use before malloc() is available.  Most code
86 * shouldn't use it.
87 */
88
89struct undefined_handler {
90	LIST_ENTRY(undefined_handler) uh_link;
91	undef_handler_t uh_handler;
92};
93
94/*
95 * Handlers installed using install_coproc_handler_static shouldn't be
96 * removed.
97 */
98void install_coproc_handler_static(int, struct undefined_handler *);
99
100/* Calls up to undefined.c from trap handlers */
101void undefinedinstruction(struct trapframe *);
102
103#endif
104
105/* End of undefined.h */
106
107#endif /* _ARM_UNDEFINED_H_ */
108