hp300.c revision 1.3
1 /* $NetBSD: hp300.c,v 1.3 2003/11/10 10:48:30 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by David Laight. 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 #if HAVE_NBTOOL_CONFIG_H 40 #include "nbtool_config.h" 41 #endif 42 43 #include <sys/cdefs.h> 44 #if !defined(__lint) 45 __RCSID("$NetBSD: hp300.c,v 1.3 2003/11/10 10:48:30 dsl Exp $"); 46 #endif /* !__lint */ 47 48 /* We need the target disklabel.h, not the hosts one..... */ 49 #ifdef HAVE_NBTOOL_CONFIG_H 50 #include "nbtool_config.h" 51 #undef __HAVE_OLD_DISKLABEL /* host's <machine/types.h> may define this */ 52 #include "../../sys/arch/hp300/include/disklabel.h" 53 #include "../../sys/sys/disklabel.h" 54 #else 55 #include <sys/disklabel.h> 56 #endif 57 #include <sys/fcntl.h> 58 #include <sys/ioctl.h> 59 #include <sys/mman.h> 60 #include <sys/param.h> 61 62 #include <assert.h> 63 #include <err.h> 64 #include <md5.h> 65 #include <stddef.h> 66 #include <stdio.h> 67 #include <stdlib.h> 68 #include <string.h> 69 #include <unistd.h> 70 71 #include "installboot.h" 72 #include "hp300_volhdr.h" 73 74 int 75 hp300_setboot(ib_params *params) 76 { 77 int retval; 78 uint8_t *bootstrap; 79 ssize_t rv; 80 struct partition *boot; 81 struct hp300_lifdir *lifdir; 82 int offset; 83 int i; 84 uint secsize; 85 uint64_t boot_size, boot_offset; 86 char label_buf[DEV_BSIZE]; 87 struct disklabel *label = (void *)label_buf; 88 89 assert(params != NULL); 90 assert(params->fsfd != -1); 91 assert(params->filesystem != NULL); 92 assert(params->s1fd != -1); 93 assert(params->stage1 != NULL); 94 95 retval = 0; 96 bootstrap = MAP_FAILED; 97 98 if (params->flags & IB_APPEND) { 99 if (!S_ISREG(params->fsstat.st_mode)) { 100 warnx( 101 "`%s' must be a regular file to append a bootstrap", 102 params->filesystem); 103 goto done; 104 } 105 boot_offset = roundup(params->fsstat.st_size, HP300_SECTSIZE); 106 } else { 107 /* 108 * The bootstrap can be well over 8k, and must go into a BOOT 109 * partition. Read NetBSD label to locate BOOT partition. 110 */ 111 if (pread(params->fsfd, label, DEV_BSIZE, 2 * DEV_BSIZE) 112 != DEV_BSIZE) { 113 warn("reading disklabel"); 114 goto done; 115 } 116 /* And a quick validation - must be a big-endian label */ 117 secsize = be32toh(label->d_secsize); 118 if (label->d_magic != be32toh(DISKMAGIC) || 119 label->d_magic2 != be32toh(DISKMAGIC) || 120 secsize == 0 || secsize & (secsize - 1) || 121 be32toh(label->d_npartitions) > MAXMAXPARTITIONS) { 122 warnx("Invalid disklabel in %s", params->filesystem); 123 goto done; 124 } 125 126 i = be32toh(label->d_npartitions); 127 for (boot = label->d_partitions; ; boot++) { 128 if (--i < 0) { 129 warnx("No BOOT partition"); 130 goto done; 131 } 132 if (boot->p_fstype == FS_BOOT) 133 break; 134 } 135 boot_size = be32toh(boot->p_size) * (uint64_t)secsize; 136 boot_offset = be32toh(boot->p_offset) * (uint64_t)secsize; 137 138 /* 139 * We put the entire LIF file into the BOOT partition even when 140 * it doesn't start at the beginning of the disk. 141 * 142 * Maybe we ought to be able to take a binary file and add 143 * it to the LIF filesystem. 144 */ 145 if (boot_size < params->s1stat.st_size) { 146 warn("BOOT partition too small (%llu < %llu)", 147 (unsigned long long)boot_size, 148 (unsigned long long)params->s1stat.st_size); 149 goto done; 150 } 151 } 152 153 bootstrap = mmap(NULL, params->s1stat.st_size, PROT_READ | PROT_WRITE, 154 MAP_PRIVATE, params->s1fd, 0); 155 if (bootstrap == MAP_FAILED) { 156 warn("mmaping `%s'", params->stage1); 157 goto done; 158 } 159 160 /* Relocate files, sanity check LIF directory on the way */ 161 lifdir = (void *)(bootstrap + HP300_SECTSIZE * 2); 162 for (i = 0; i < 8; lifdir++, i++) { 163 int addr = be32toh(lifdir->dir_addr); 164 int limit = (params->s1stat.st_size - 1) / HP300_SECTSIZE + 1; 165 if (addr + be32toh(lifdir->dir_length) > limit) { 166 warnx("LIF entry %d larger (%d %d) than LIF file", 167 i, addr + be32toh(lifdir->dir_length), limit); 168 goto done; 169 } 170 if (addr != 0 && boot_offset != 0) 171 lifdir->dir_addr = htobe32(addr + boot_offset 172 / HP300_SECTSIZE); 173 } 174 175 if (params->flags & IB_NOWRITE) { 176 retval = 1; 177 goto done; 178 } 179 180 /* Write LIF volume header and directory to sectors 0 and 1 */ 181 rv = pwrite(params->fsfd, bootstrap, 1024, 0); 182 if (rv != 1024) { 183 if (rv == -1) 184 warn("Writing `%s'", params->filesystem); 185 else 186 warnx("Writing `%s': short write", params->filesystem); 187 goto done; 188 } 189 190 /* Write files to BOOT partition */ 191 offset = boot_offset <= HP300_SECTSIZE * 16 ? HP300_SECTSIZE * 16 : 0; 192 i = params->s1stat.st_size - offset; 193 rv = pwrite(params->fsfd, bootstrap + offset, i, boot_offset + offset); 194 if (rv != i) { 195 if (rv == -1) 196 warn("Writing boot filesystem of `%s'", 197 params->filesystem); 198 else 199 warnx("Writing boot filesystem of `%s': short write", 200 params->filesystem); 201 goto done; 202 } 203 204 retval = 1; 205 206 done: 207 if (bootstrap != MAP_FAILED) 208 munmap(bootstrap, params->s1stat.st_size); 209 return retval; 210 } 211
Indexes created Fri Oct 03 02:09:57 GMT 2025