1 /* $NetBSD: bootinfo.c,v 1.1 2014/02/24 07:23:43 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jonathan Stone, Michael Hitch, Simon Burge, and Nick Hudson.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/param.h>
33 #include <machine/types.h>
34 #include <lib/libsa/stand.h>
35 #include <lib/libkern/libkern.h>
36
37 #include "bootinfo.h"
38
39 struct bootinfo bootinfo;
40
41 void
bi_init(void)42 bi_init(void)
43 {
44 struct btinfo_magic bi_magic;
45
46 memset(&bootinfo, 0, sizeof(bootinfo));
47
48 bi_magic.magic = BOOTINFO_MAGIC;
49 BI_ADD(&bi_magic, BTINFO_MAGIC, sizeof(bi_magic));
50 }
51
52 void
bi_add(struct btinfo_common * what,int type,size_t size)53 bi_add(struct btinfo_common *what, int type, size_t size)
54 {
55
56 what->len = ALIGN(size);
57 what->type = type;
58 memcpy(&bootinfo.bi_data[bootinfo.bi_offset], what, size);
59
60 bootinfo.bi_offset += what->len;
61 bootinfo.bi_nentries++;
62 }
63