xref: /netbsd-src/sys/arch/sandpoint/include/bootinfo.h (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: bootinfo.h,v 1.4 2007/10/17 19:56:56 garbled 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 #define BOOTINFO_MAGIC	0xb007babe
33 
34 struct btinfo_common {
35 	int next;		/* offset of next item, or zero */
36 	int type;
37 };
38 
39 #define BTINFO_MAGIC		1
40 #define BTINFO_MEMORY		2
41 #define BTINFO_CONSOLE		3
42 #define BTINFO_CLOCK		4
43 #define BTINFO_BOOTPATH		5
44 #define BTINFO_ROOTDEVICE	6
45 
46 struct btinfo_magic {
47 	struct btinfo_common common;
48 	unsigned magic;
49 };
50 
51 struct btinfo_memory {
52 	struct btinfo_common common;
53 	int memsize;
54 };
55 
56 struct btinfo_console {
57 	struct btinfo_common common;
58 	char devname[8];
59 	int addr;
60 	int speed;
61 };
62 
63 struct btinfo_clock {
64 	struct btinfo_common common;
65 	int ticks_per_sec;
66 };
67 
68 struct btinfo_bootpath {
69 	struct btinfo_common common;
70 	char bootpath[80];
71 };
72 
73 struct btinfo_rootdevice {
74 	struct btinfo_common common;
75 	char devname[16];
76 	unsigned cookie;
77 };
78 
79 #define BOOTINFO_MAXSIZE 4096
80 
81 #ifdef _KERNEL
82 void *lookup_bootinfo(int);
83 #endif
84 
85 #endif	/* _MACHINE_BOOTINFO_H_ */
86