1 /* $NetBSD: news.c,v 1.7 2008/04/28 20:24:16 martin 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 1.7 2008/04/28 20:24:16 martin 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 53 static int news_copydisklabel(ib_params *, struct bbinfo_params *, uint8_t *); 54 55 static int news68k_clearboot(ib_params *); 56 static int news68k_setboot(ib_params *); 57 static int newsmips_clearboot(ib_params *); 58 static int newsmips_setboot(ib_params *); 59 60 struct ib_mach ib_mach_news68k = 61 { "news68k", news68k_setboot, news68k_clearboot, no_editboot, 62 IB_STAGE2START }; 63 64 struct ib_mach ib_mach_newsmips = 65 { "newsmips", newsmips_setboot, newsmips_clearboot, no_editboot, 66 IB_STAGE2START }; 67 68 /* 69 * news68k specific support 70 */ 71 72 static 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 81 static int 82 news68k_clearboot(ib_params *params) 83 { 84 85 assert(params != NULL); 86 87 return (shared_bbinfo_clearboot(params, &news68k_bbparams, 88 news_copydisklabel)); 89 } 90 91 static int 92 news68k_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 */ 105 106 static 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 }; 114 115 static int 116 newsmips_clearboot(ib_params *params) 117 { 118 119 assert(params != NULL); 120 121 return (shared_bbinfo_clearboot(params, &newsmips_bbparams, 122 news_copydisklabel)); 123 } 124 125 static int 126 newsmips_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 */ 141 static int 142 news_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