xref: /netbsd-src/sys/arch/i386/stand/lib/bootinfo.c (revision 7759a958ba73eb10e6098ac3e8844113713c1b26)
1 /*	$NetBSD: bootinfo.c,v 1.6 2016/06/05 14:13:57 maxv 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 <lib/libsa/stand.h>
30 #include <lib/libkern/libkern.h>
31 
32 #include "libi386.h"
33 #include "bootinfo.h"
34 
35 struct bootinfo *bootinfo;
36 
37 void
bi_add(struct btinfo_common * what,int type,int size)38 bi_add(struct btinfo_common *what, int type, int size)
39 {
40 	what->len = size;
41 	what->type = type;
42 
43 	if (bootinfo == NULL) {
44 		return;
45 	}
46 	if (bootinfo->nentries >= BTINFO_MAX) {
47 		panic("bootinfo too big");
48 	}
49 	bootinfo->entry[bootinfo->nentries++] = vtophys(what);
50 }
51