xref: /openbsd/sys/arch/arm/include/undefined.h (revision d89ec533)
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 
54 typedef 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 
62 void *install_coproc_handler (int, undef_handler_t);
63 void remove_coproc_handler (void *);
64 void 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 
71 struct 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  */
80 void install_coproc_handler_static (int, struct undefined_handler *);
81 
82 /* Calls up to undefined.c from trap handlers */
83 void undefinedinstruction(struct trapframe *);
84 
85 #endif
86 
87 #endif /* _ARM_UNDEFINED_H_ */
88