1/*	$NetBSD$	*/
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 "boot.h"
30#include "bootinfo.h"
31
32struct btinfo *bootinfo;
33
34static int
35bi_find(int type)
36{
37	struct btinfo_common *btinfo;
38	int i;
39
40	for (i = 0; i < bootinfo->nentries; i++) {
41		btinfo = (struct btinfo_common *)(bootinfo->entry[i]);
42		if (btinfo->type == type) {
43			return i;
44		}
45	}
46	return -1;
47}
48
49void
50bi_add(struct btinfo_common *what, int type, int size)
51{
52	int idx;
53
54	what->len = size;
55	what->type = type;
56
57	if (bootinfo) {
58		idx = bi_find(type);
59		if (idx < 0) {
60			idx = bootinfo->nentries++;
61		}
62		bootinfo->entry[idx] = (u_long)what;
63	}
64}
65
66void
67bi_del(int type)
68{
69	int idx;
70	int i;
71
72	if (bootinfo) {
73		idx = bi_find(type);
74		if (idx >= 0) {
75			for (i = idx + 1; i < bootinfo->nentries; i++) {
76				bootinfo->entry[i - 1] = bootinfo->entry[i];
77			}
78			bootinfo->entry[--bootinfo->nentries] = 0L;
79		}
80	}
81}
82