1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25#ifndef	_MBOOT_EXTRA_H
26#define	_MBOOT_EXTRA_H
27
28#ifdef	__cplusplus
29extern "C" {
30#endif
31
32#include <stdarg.h>
33#include <sys/types.h>
34#include "bblk_einfo.h"
35
36/* multiboot header needs to be located in the first 32KB. */
37#define	MBOOT_SCAN_SIZE		(32 * 1024 * 1024)
38
39/* multiboot header AOUT_KLUDGE flag. */
40#define	BB_MBOOT_AOUT_FLAG	(0x00010000)
41
42/* Extra header preceeding the payloads at the end of the bootblock. */
43typedef struct _bb_extra_header {
44	uint32_t	size;
45	uint32_t	checksum;
46} bb_header_ext_t;
47
48uint32_t compute_checksum(char *, uint32_t);
49bblk_einfo_t *find_einfo(char *);
50int find_multiboot(char *, uint32_t, uint32_t *);
51void add_einfo(char *, char *, bblk_hs_t *, uint32_t);
52int compare_bootblocks(char *, char *, char **);
53
54#ifdef	__cplusplus
55}
56#endif
57
58#endif /* _MBOOT_EXTRA_H */
59