1 /*        $NetBSD: bootinfo.h,v 1.6 2008/08/08 15:07:52 tsutsui 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 _SGIMIPS_BOOTINFO_H_
30 #define _SGIMIPS_BOOTINFO_H_
31 
32 #define   BOOTINFO_MAGIC                0x20080808
33 #define   BOOTINFO_SIZE                 1024
34 
35 struct btinfo_common {
36           size_t next;        /* offset of next item, or zero if end of data */
37           int type; /* type of bootinfo item */
38 #define BTINFO_NONE 0
39 #define BTINFO_MAGIC          1
40 #define BTINFO_BOOTPATH 2
41 #define BTINFO_SYMTAB         3
42 };
43 
44 struct btinfo_magic {
45           struct btinfo_common common;
46           int magic;
47 };
48 
49 #define BTINFO_BOOTPATH_LEN   80
50 struct btinfo_bootpath {
51           struct btinfo_common common;
52           char bootpath[BTINFO_BOOTPATH_LEN];
53 };
54 
55 struct btinfo_symtab {
56           struct btinfo_common common;
57           unsigned long nsym;
58           unsigned long ssym;
59           unsigned long esym;
60 };
61 
62 #ifdef _KERNEL
63 void      *lookup_bootinfo(int);
64 #endif
65 
66 #endif    /* !_SGIMIPS_BOOTINFO_H_ */
67