news.c revision 1.1
1 /* $NetBSD: news.c,v 1.1 2002/05/20 16:05:27 lukem 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #if defined(__RCSID) && !defined(__lint) 41 __RCSID("$NetBSD: news.c,v 1.1 2002/05/20 16:05:27 lukem Exp $"); 42 #endif /* !__lint */ 43 44 #if HAVE_CONFIG_H 45 #include "config.h" 46 #endif 47 48 #include <sys/param.h> 49 50 #include <assert.h> 51 #include <err.h> 52 #include <stddef.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include "installboot.h" 59 60 static int news_clearboot(ib_params *, struct bbinfo_params *, uint8_t *); 61 static int news_setboot(ib_params *, struct bbinfo_params *, uint8_t *); 62 63 64 /* 65 * news68k specific support 66 */ 67 68 static struct bbinfo_params news68k_bbparams = { 69 NEWS68K_BBINFO_MAGIC, 70 0, /* write all 8K (including disklabel) */ 71 NEWS_BOOT_BLOCK_BLOCKSIZE, 72 NEWS_BOOT_BLOCK_MAX_SIZE, 73 NEWS_BOOT_BLOCK_OFFSET, /* but load bootxx here */ 74 BBINFO_BIG_ENDIAN, 75 }; 76 77 int 78 news68k_clearboot(ib_params *params) 79 { 80 81 assert(params != NULL); 82 83 if (params->flags & IB_STAGE1START) { 84 warnx("`-b bno' is not supported for %s", 85 params->machine->name); 86 return (0); 87 } 88 return (shared_bbinfo_clearboot(params, &news68k_bbparams, 89 news_clearboot)); 90 } 91 92 int 93 news68k_setboot(ib_params *params) 94 { 95 96 assert(params != NULL); 97 98 if (params->flags & IB_STAGE1START) { 99 warnx("`-b bno' is not supported for %s", 100 params->machine->name); 101 return (0); 102 } 103 return (shared_bbinfo_setboot(params, &news68k_bbparams, news_setboot)); 104 } 105 106 107 /* 108 * newsmips specific support 109 */ 110 111 static struct bbinfo_params newsmips_bbparams = { 112 NEWSMIPS_BBINFO_MAGIC, 113 0, /* write all 8K (including disklabel) */ 114 NEWS_BOOT_BLOCK_BLOCKSIZE, 115 NEWS_BOOT_BLOCK_MAX_SIZE, 116 NEWS_BOOT_BLOCK_OFFSET, /* but load bootxx here */ 117 BBINFO_BIG_ENDIAN, 118 }; 119 120 int 121 newsmips_clearboot(ib_params *params) 122 { 123 124 assert(params != NULL); 125 126 if (params->flags & IB_STAGE1START) { 127 warnx("`-b bno' is not supported for %s", 128 params->machine->name); 129 return (0); 130 } 131 return (shared_bbinfo_clearboot(params, &newsmips_bbparams, 132 news_clearboot)); 133 } 134 135 int 136 newsmips_setboot(ib_params *params) 137 { 138 139 assert(params != NULL); 140 141 if (params->flags & IB_STAGE1START) { 142 warnx("`-b bno' is not supported for %s", 143 params->machine->name); 144 return (0); 145 } 146 return (shared_bbinfo_setboot(params, &newsmips_bbparams, 147 news_setboot)); 148 } 149 150 151 /* 152 * news common code 153 */ 154 155 static int 156 news_clearboot(ib_params *params, struct bbinfo_params *bbparams, uint8_t *bb) 157 { 158 159 assert(params != NULL); 160 assert(bbparams != NULL); 161 assert(bb != NULL); 162 163 /* Clear out first sector to disklabel */ 164 memset(bb, 0, NEWS_BOOT_BLOCK_LABELOFFSET); 165 return (1); 166 } 167 168 static int 169 news_setboot(ib_params *params, struct bbinfo_params *bbparams, uint8_t *bb) 170 { 171 uint8_t boot00[NEWS_BOOT_BLOCK_OFFSET]; 172 ssize_t rv; 173 174 assert(params != NULL); 175 assert(params->fsfd != -1); 176 assert(bbparams != NULL); 177 assert(bb != NULL); 178 179 /* Read label sector to overwrite jump instruction */ 180 memset(boot00, 0, sizeof(boot00)); 181 rv = pread(params->fsfd, boot00, sizeof(boot00), 0); 182 if (rv == -1) { 183 warn("Reading label sector from `%s'", params->filesystem); 184 return (0); 185 } 186 /* Copy disklabel */ 187 memcpy(bb + NEWS_BOOT_BLOCK_LABELOFFSET, 188 boot00 + NEWS_BOOT_BLOCK_LABELOFFSET, 189 sizeof(boot00) - NEWS_BOOT_BLOCK_LABELOFFSET); 190 191 return (1); 192 } 193
Indexes created Tue Sep 23 02:09:52 GMT 2025