xref: /netbsd/sys/arch/arm/include/undefined.h (revision bf9ec67e)
1 /*	$NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej 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 
53 typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int));
54 
55 #define FP_COPROC	1
56 #define FP_COPROC2	2
57 #define MAX_COPROCS	16
58 
59 /* Prototypes for undefined.c */
60 
61 void *install_coproc_handler __P((int, undef_handler_t));
62 void remove_coproc_handler __P((void *));
63 void undefined_init __P((void));
64 
65 /*
66  * XXX Stuff below here is for use before malloc() is available.  Most code
67  * shouldn't use it.
68  */
69 
70 struct undefined_handler {
71 	LIST_ENTRY(undefined_handler) uh_link;
72 	undef_handler_t uh_handler;
73 };
74 
75 /*
76  * Handlers installed using install_coproc_handler_static shouldn't be
77  * removed.
78  */
79 void install_coproc_handler_static __P((int, struct undefined_handler *));
80 
81 /* Calls up to undefined.c from trap handlers */
82 void undefinedinstruction(struct trapframe *);
83 
84 #endif
85 
86 /* End of undefined.h */
87 
88 #endif /* _ARM_UNDEFINED_H_ */
89