xref: /minix/sys/arch/i386/stand/lib/bootinfo.h (revision ebfedea0)
1 /*	$NetBSD: bootinfo.h,v 1.10 2013/11/18 03:52:45 jakllsch 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 #include <machine/bootinfo.h>
30 
31 struct bootinfo {
32 	uint32_t nentries;
33 	uint32_t entry[1];
34 };
35 
36 extern struct bootinfo *bootinfo;
37 
38 #define BI_ALLOC(max) (bootinfo = alloc(sizeof(struct bootinfo) \
39                                         + ((max) - 1) * sizeof(uint32_t))) \
40                       ->nentries = 0
41 
42 #define BI_FREE() dealloc(bootinfo, 0)
43 
44 #define BI_ADD(x, type, size) bi_add((struct btinfo_common *)(x), type, size)
45 
46 void bi_add(struct btinfo_common *, int, int);
47 void bi_getbiosgeom(void);
48 void bi_getmemmap(void);
49