hp300.c revision 1.14
1 /* $NetBSD: hp300.c,v 1.14 2013/05/03 21:32:04 matt 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 * 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: hp300.c,v 1.14 2013/05/03 21:32:04 matt Exp $"); 39 #endif /* !__lint */ 40 41 /* We need the target disklabel.h, not the hosts one..... */ 42 #ifdef HAVE_NBTOOL_CONFIG_H 43 #include "nbtool_config.h" 44 #include <nbinclude/hp300/disklabel.h> 45 #include <nbinclude/sys/disklabel.h> 46 #else 47 #include <sys/disklabel.h> 48 #endif 49 #include <sys/fcntl.h> 50 #include <sys/ioctl.h> 51 #include <sys/mman.h> 52 #include <sys/param.h> 53 54 #include <assert.h> 55 #include <err.h> 56 #include <md5.h> 57 #include <stddef.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 63 #include "installboot.h" 64 65 static int hp300_setboot(ib_params *); 66 67 struct ib_mach ib_mach_hp300 = 68 { "hp300", hp300_setboot, no_clearboot, no_editboot, IB_APPEND }; 69 70 static int 71 hp300_setboot(ib_params *params) 72 { 73 int retval; 74 uint8_t *bootstrap; 75 ssize_t rv; 76 struct partition *boot; 77 struct hp300_lifdir *lifdir; 78 int offset; 79 int i; 80 unsigned int secsize = HP300_SECTSIZE; 81 uint64_t boot_size, boot_offset; 82 struct disklabel *label; 83 84 assert(params != NULL); 85 assert(params->fsfd != -1); 86 assert(params->filesystem != NULL); 87 assert(params->s1fd != -1); 88 assert(params->stage1 != NULL); 89 90 retval = 0; 91 bootstrap = MAP_FAILED; 92 93 label = malloc(params->sectorsize); 94 if (label == NULL) { 95 warn("Failed to allocate memory for disklabel"); 96 goto done; 97 } 98 99 if (params->flags & IB_APPEND) { 100 if (!S_ISREG(params->fsstat.st_mode)) { 101 warnx( 102 "`%s' must be a regular file to append a bootstrap", 103 params->filesystem); 104 goto done; 105 } 106 boot_offset = roundup(params->fsstat.st_size, HP300_SECTSIZE); 107 } else { 108 /* 109 * The bootstrap can be well over 8k, and must go into a BOOT 110 * partition. Read NetBSD label to locate BOOT partition. 111 */ 112 if (pread(params->fsfd, label, params->sectorsize, 113 LABELSECTOR * params->sectorsize) 114 != (ssize_t)params->sectorsize) { 115 warn("reading disklabel"); 116 goto done; 117 } 118 /* And a quick validation - must be a big-endian label */ 119 secsize = be32toh(label->d_secsize); 120 if (label->d_magic != htobe32(DISKMAGIC) || 121 label->d_magic2 != htobe32(DISKMAGIC) || 122 secsize == 0 || secsize & (secsize - 1) || 123 be16toh(label->d_npartitions) > MAXMAXPARTITIONS) { 124 warnx("Invalid disklabel in %s", params->filesystem); 125 goto done; 126 } 127 128 i = be16toh(label->d_npartitions); 129 for (boot = label->d_partitions; ; boot++) { 130 if (--i < 0) { 131 warnx("No BOOT partition"); 132 goto done; 133 } 134 if (boot->p_fstype == FS_BOOT) 135 break; 136 } 137 boot_size = be32toh(boot->p_size) * (uint64_t)secsize; 138 boot_offset = be32toh(boot->p_offset) * (uint64_t)secsize; 139 140 /* 141 * We put the entire LIF file into the BOOT partition even when 142 * it doesn't start at the beginning of the disk. 143 * 144 * Maybe we ought to be able to take a binary file and add 145 * it to the LIF filesystem. 146 */ 147 if (boot_size < (uint64_t)params->s1stat.st_size) { 148 warn("BOOT partition too small (%llu < %llu)", 149 (unsigned long long)boot_size, 150 (unsigned long long)params->s1stat.st_size); 151 goto done; 152 } 153 } 154 155 bootstrap = mmap(NULL, params->s1stat.st_size, PROT_READ | PROT_WRITE, 156 MAP_PRIVATE, params->s1fd, 0); 157 if (bootstrap == MAP_FAILED) { 158 warn("mmaping `%s'", params->stage1); 159 goto done; 160 } 161 162 /* Relocate files, sanity check LIF directory on the way */ 163 lifdir = (void *)(bootstrap + HP300_SECTSIZE * 2); 164 for (i = 0; i < 8; lifdir++, i++) { 165 int32_t addr = be32toh(lifdir->dir_addr); 166 int32_t limit = (params->s1stat.st_size - 1) / HP300_SECTSIZE + 1; 167 int32_t end = addr + be32toh(lifdir->dir_length); 168 if (end > limit) { 169 warnx("LIF entry %d larger (%d %d) than LIF file", 170 i, end, limit); 171 goto done; 172 } 173 if (addr != 0 && boot_offset != 0) 174 lifdir->dir_addr = htobe32(addr + boot_offset 175 / HP300_SECTSIZE); 176 } 177 178 if (params->flags & IB_NOWRITE) { 179 retval = 1; 180 goto done; 181 } 182 183 /* Write LIF volume header and directory to sectors 0 and 1 */ 184 rv = pwrite(params->fsfd, bootstrap, 1024, 0); 185 if (rv != 1024) { 186 if (rv == -1) 187 warn("Writing `%s'", params->filesystem); 188 else 189 warnx("Writing `%s': short write", params->filesystem); 190 goto done; 191 } 192 193 /* Write files to BOOT partition */ 194 offset = boot_offset <= HP300_SECTSIZE * 16 ? HP300_SECTSIZE * 16 : 0; 195 i = roundup(params->s1stat.st_size, secsize) - offset; 196 rv = pwrite(params->fsfd, bootstrap + offset, i, boot_offset + offset); 197 if (rv != i) { 198 if (rv == -1) 199 warn("Writing boot filesystem of `%s'", 200 params->filesystem); 201 else 202 warnx("Writing boot filesystem of `%s': short write", 203 params->filesystem); 204 goto done; 205 } 206 207 retval = 1; 208 209 done: 210 if (label != NULL) 211 free(label); 212 if (bootstrap != MAP_FAILED) 213 munmap(bootstrap, params->s1stat.st_size); 214 return retval; 215 } 216
Indexes created Fri Oct 03 02:09:57 GMT 2025