1/*	$NetBSD: news.c,v 1.6 2006/02/18 10:08:07 dsl Exp $ */
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Luke Mewburn and Izumi Tsutsui.
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#if HAVE_NBTOOL_CONFIG_H
33#include "nbtool_config.h"
34#endif
35
36#include <sys/cdefs.h>
37#if !defined(__lint)
38__RCSID("$NetBSD: news.c,v 1.6 2006/02/18 10:08:07 dsl Exp $");
39#endif	/* !__lint */
40
41#include <sys/param.h>
42
43#include <assert.h>
44#include <err.h>
45#include <stddef.h>
46#include <stdio.h>
47#include <stdlib.h>
48#include <string.h>
49#include <unistd.h>
50
51#include "installboot.h"
52
53static int news_copydisklabel(ib_params *, struct bbinfo_params *, uint8_t *);
54
55static int news68k_clearboot(ib_params *);
56static int news68k_setboot(ib_params *);
57static int newsmips_clearboot(ib_params *);
58static int newsmips_setboot(ib_params *);
59
60struct ib_mach ib_mach_news68k =
61	{ "news68k", news68k_setboot, news68k_clearboot, no_editboot,
62		IB_STAGE2START };
63
64struct ib_mach ib_mach_newsmips =
65	{ "newsmips", newsmips_setboot, newsmips_clearboot, no_editboot,
66		IB_STAGE2START };
67
68/*
69 * news68k specific support
70 */
71
72static struct bbinfo_params news68k_bbparams = {
73	NEWS68K_BBINFO_MAGIC,
74	NEWS_BOOT_BLOCK_OFFSET,		/* write all 8K (including disklabel) */
75	NEWS_BOOT_BLOCK_BLOCKSIZE,
76	NEWS_BOOT_BLOCK_MAX_SIZE,
77	0,
78	BBINFO_BIG_ENDIAN,
79};
80
81static int
82news68k_clearboot(ib_params *params)
83{
84
85	assert(params != NULL);
86
87	return (shared_bbinfo_clearboot(params, &news68k_bbparams,
88	    news_copydisklabel));
89}
90
91static int
92news68k_setboot(ib_params *params)
93{
94
95	assert(params != NULL);
96
97	return (shared_bbinfo_setboot(params, &news68k_bbparams,
98	    news_copydisklabel));
99}
100
101
102/*
103 * newsmips specific support
104 */
105
106static struct bbinfo_params newsmips_bbparams = {
107	NEWSMIPS_BBINFO_MAGIC,
108	NEWS_BOOT_BLOCK_OFFSET,		/* write all 8K (including disklabel) */
109	NEWS_BOOT_BLOCK_BLOCKSIZE,
110	NEWS_BOOT_BLOCK_MAX_SIZE,
111	0,
112	BBINFO_BIG_ENDIAN,
113};
114
115static int
116newsmips_clearboot(ib_params *params)
117{
118
119	assert(params != NULL);
120
121	return (shared_bbinfo_clearboot(params, &newsmips_bbparams,
122	    news_copydisklabel));
123}
124
125static int
126newsmips_setboot(ib_params *params)
127{
128
129	assert(params != NULL);
130
131	return (shared_bbinfo_setboot(params, &newsmips_bbparams,
132	    news_copydisklabel));
133}
134
135
136/*
137 * news_copydisklabel --
138 *	copy disklabel from existing location on disk into bootstrap,
139 *	as the primary bootstrap contains the disklabel.
140 */
141static int
142news_copydisklabel(ib_params *params, struct bbinfo_params *bbparams,
143	uint8_t *bb)
144{
145	uint8_t	boot00[NEWS_BOOT_BLOCK_BLOCKSIZE];
146	ssize_t	rv;
147
148	assert(params != NULL);
149	assert(params->fsfd != -1);
150	assert(bbparams != NULL);
151	assert(bb != NULL);
152
153		/* Read label sector to copy disklabel from */
154	memset(boot00, 0, sizeof(boot00));
155	rv = pread(params->fsfd, boot00, sizeof(boot00), 0);
156	if (rv == -1) {
157		warn("Reading label sector from `%s'", params->filesystem);
158		return (0);
159	}
160		/* Copy disklabel */
161	memcpy(bb + NEWS_BOOT_BLOCK_LABELOFFSET,
162	    boot00 + NEWS_BOOT_BLOCK_LABELOFFSET,
163	    sizeof(boot00) - NEWS_BOOT_BLOCK_LABELOFFSET);
164
165	return (1);
166}
167