1 /*        $NetBSD: bootinfo.h,v 1.6 2010/10/27 10:33:23 kiyohara 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   _MACHINE_BOOTINFO_H_
30 #define   _MACHINE_BOOTINFO_H_
31 
32 struct btinfo_common {
33           int next;           /* offset of next item, or zero */
34           int type;
35 };
36 
37 #define BTINFO_MEMORY                   0
38 #define BTINFO_CONSOLE                  1
39 #define BTINFO_CLOCK                    2
40 #define BTINFO_ROOTDEVICE     3
41 
42 struct btinfo_memory {
43           struct btinfo_common common;
44           int memsize;
45 };
46 
47 struct btinfo_console {
48           struct btinfo_common common;
49           char devname[4];
50           int addr;
51           int speed;
52 };
53 
54 struct btinfo_clock {
55           struct btinfo_common common;
56           int ticks_per_sec;
57 };
58 
59 struct btinfo_rootdevice {
60           struct btinfo_common common;
61           char rootdevice[80];                              /* XXXX */
62 };
63 
64 #ifdef _KERNEL
65 void *lookup_bootinfo(int);
66 #endif
67 
68 #define BOOTINFO_MAXSIZE      0xd0
69 
70 #endif    /* _MACHINE_BOOTINFO_H_ */
71