xref: /netbsd/sys/arch/emips/include/bootinfo.h (revision 6550d01e)
1 /*	$NetBSD: bootinfo.h,v 1.1 2011/01/26 01:18:51 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 1997
5  *	Matthias Drochner.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef _EMIPS_BOOTINFO_H_
30 #define _EMIPS_BOOTINFO_H_
31 
32 #define BOOTINFO_MAGIC	0xb007babe
33 #define BOOTINFO_SIZE	1024
34 
35 /*
36  * The bootinfo structure is at the end of the 64kB hole between
37  * 0x80010000 to 0x8001ffff that neither NetBSD nor the PROM uses.
38  */
39 #define BOOTINFO_ADDR	0x8001fc00
40 
41 struct btinfo_common {
42 	int next;		/* offset of next item, or zero */
43 	int type;
44 };
45 
46 #define BTINFO_MAGIC	1
47 #define BTINFO_BOOTPATH 2
48 #define BTINFO_SYMTAB	3
49 
50 struct btinfo_magic {
51 	struct btinfo_common common;
52 	int magic;
53 };
54 
55 #define BTINFO_BOOTPATH_LEN	80
56 struct btinfo_bootpath {
57 	struct btinfo_common common;
58 	char bootpath[BTINFO_BOOTPATH_LEN];
59 };
60 
61 struct btinfo_symtab {
62 	struct btinfo_common common;
63 	int nsym;
64 	int ssym;
65 	int esym;
66 };
67 
68 #ifdef _KERNEL
69 void	*lookup_bootinfo __P((int));
70 #endif
71 
72 #endif	/* !_EMIPS_BOOTINFO_H_ */
73