1/* $OpenBSD: undefined.h,v 1.4 2019/03/13 09:28:21 patrick Exp $ */
2/* $NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej Exp $ */
3
4/*
5 * Copyright (c) 1995-1996 Mark Brinicombe.
6 * Copyright (c) 1995 Brini.
7 * All rights reserved.
8 *
9 * This code is derived from software written for Brini by Mark Brinicombe
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by Brini.
22 * 4. The name of the company nor the name of the author may be used to
23 * endorse or promote products derived from this software without specific
24 * prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * RiscBSD kernel project
39 *
40 * undefined.h
41 *
42 * Undefined instruction types, symbols and prototypes
43 *
44 * Created : 08/02/95
45 */
46
47
48#ifndef _ARM_UNDEFINED_H_
49#define _ARM_UNDEFINED_H_
50#ifdef _KERNEL
51
52#include <sys/queue.h>
53
54typedef int (*undef_handler_t) (unsigned int, unsigned int, trapframe_t *, int, uint32_t);
55
56#define FP_COPROC 1
57#define FP_COPROC2 2
58#define MAX_COPROCS 16
59
60/* Prototypes for undefined.c */
61
62void *install_coproc_handler (int, undef_handler_t);
63void remove_coproc_handler (void *);
64void undefined_init (void);
65
66/*
67 * XXX Stuff below here is for use before malloc() is available. Most code
68 * shouldn't use it.
69 */
70
71struct undefined_handler {
72 LIST_ENTRY(undefined_handler) uh_link;
73 undef_handler_t uh_handler;
74};
75
76/*
77 * Handlers installed using install_coproc_handler_static shouldn't be
78 * removed.
79 */
80void install_coproc_handler_static (int, struct undefined_handler *);
81
82/* Calls up to undefined.c from trap handlers */
83void undefinedinstruction(struct trapframe *);
84
85#endif
86
87#endif /* _ARM_UNDEFINED_H_ */