hp300.c revision 1.10
1 /* $NetBSD: hp300.c,v 1.10 2008/04/28 20:24:16 martin 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 1.10 2008/04/28 20:24:16 martin 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/sys/disklabel.h> 45 #else 46 #include <sys/disklabel.h> 47 #endif 48 #include <sys/fcntl.h> 49 #include <sys/ioctl.h> 50 #include <sys/mman.h> 51 #include <sys/param.h> 52 53 #include <assert.h> 54 #include <err.h> 55 #include <md5.h> 56 #include <stddef.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <unistd.h> 61 62 #include "installboot.h" 63 64 static int hp300_setboot(ib_params *); 65 66 struct ib_mach ib_mach_hp300 = 67 { "hp300", hp300_setboot, no_clearboot, no_editboot, IB_APPEND }; 68 69 static int 70 hp300_setboot(ib_params *params) 71 { 72 int retval; 73 uint8_t *bootstrap; 74 ssize_t rv; 75 struct partition *boot; 76 struct hp300_lifdir *lifdir; 77 int offset; 78 int i; 79 unsigned int secsize = HP300_SECTSIZE; 80 uint64_t boot_size, boot_offset; 81 char label_buf[DEV_BSIZE]; 82 struct disklabel *label = (void *)label_buf; 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 if (params->flags & IB_APPEND) { 94 if (!S_ISREG(params->fsstat.st_mode)) { 95 warnx( 96 "`%s' must be a regular file to append a bootstrap", 97 params->filesystem); 98 goto done; 99 } 100 boot_offset = roundup(params->fsstat.st_size, HP300_SECTSIZE); 101 } else { 102 /* 103 * The bootstrap can be well over 8k, and must go into a BOOT 104 * partition. Read NetBSD label to locate BOOT partition. 105 */ 106 if (pread(params->fsfd, label, DEV_BSIZE, 2 * DEV_BSIZE) 107 != DEV_BSIZE) { 108 warn("reading disklabel"); 109 goto done; 110 } 111 /* And a quick validation - must be a big-endian label */ 112 secsize = be32toh(label->d_secsize); 113 if (label->d_magic != htobe32(DISKMAGIC) || 114 label->d_magic2 != htobe32(DISKMAGIC) || 115 secsize == 0 || secsize & (secsize - 1) || 116 be16toh(label->d_npartitions) > MAXMAXPARTITIONS) { 117 warnx("Invalid disklabel in %s", params->filesystem); 118 goto done; 119 } 120 121 i = be16toh(label->d_npartitions); 122 for (boot = label->d_partitions; ; boot++) { 123 if (--i < 0) { 124 warnx("No BOOT partition"); 125 goto done; 126 } 127 if (boot->p_fstype == FS_BOOT) 128 break; 129 } 130 boot_size = be32toh(boot->p_size) * (uint64_t)secsize; 131 boot_offset = be32toh(boot->p_offset) * (uint64_t)secsize; 132 133 /* 134 * We put the entire LIF file into the BOOT partition even when 135 * it doesn't start at the beginning of the disk. 136 * 137 * Maybe we ought to be able to take a binary file and add 138 * it to the LIF filesystem. 139 */ 140 if (boot_size < params->s1stat.st_size) { 141 warn("BOOT partition too small (%llu < %llu)", 142 (unsigned long long)boot_size, 143 (unsigned long long)params->s1stat.st_size); 144 goto done; 145 } 146 } 147 148 bootstrap = mmap(NULL, params->s1stat.st_size, PROT_READ | PROT_WRITE, 149 MAP_PRIVATE, params->s1fd, 0); 150 if (bootstrap == MAP_FAILED) { 151 warn("mmaping `%s'", params->stage1); 152 goto done; 153 } 154 155 /* Relocate files, sanity check LIF directory on the way */ 156 lifdir = (void *)(bootstrap + HP300_SECTSIZE * 2); 157 for (i = 0; i < 8; lifdir++, i++) { 158 int addr = be32toh(lifdir->dir_addr); 159 int limit = (params->s1stat.st_size - 1) / HP300_SECTSIZE + 1; 160 if (addr + be32toh(lifdir->dir_length) > limit) { 161 warnx("LIF entry %d larger (%d %d) than LIF file", 162 i, addr + be32toh(lifdir->dir_length), limit); 163 goto done; 164 } 165 if (addr != 0 && boot_offset != 0) 166 lifdir->dir_addr = htobe32(addr + boot_offset 167 / HP300_SECTSIZE); 168 } 169 170 if (params->flags & IB_NOWRITE) { 171 retval = 1; 172 goto done; 173 } 174 175 /* Write LIF volume header and directory to sectors 0 and 1 */ 176 rv = pwrite(params->fsfd, bootstrap, 1024, 0); 177 if (rv != 1024) { 178 if (rv == -1) 179 warn("Writing `%s'", params->filesystem); 180 else 181 warnx("Writing `%s': short write", params->filesystem); 182 goto done; 183 } 184 185 /* Write files to BOOT partition */ 186 offset = boot_offset <= HP300_SECTSIZE * 16 ? HP300_SECTSIZE * 16 : 0; 187 i = roundup(params->s1stat.st_size, secsize) - offset; 188 rv = pwrite(params->fsfd, bootstrap + offset, i, boot_offset + offset); 189 if (rv != i) { 190 if (rv == -1) 191 warn("Writing boot filesystem of `%s'", 192 params->filesystem); 193 else 194 warnx("Writing boot filesystem of `%s': short write", 195 params->filesystem); 196 goto done; 197 } 198 199 retval = 1; 200 201 done: 202 if (bootstrap != MAP_FAILED) 203 munmap(bootstrap, params->s1stat.st_size); 204 return retval; 205 } 206
Indexes created Fri Oct 03 02:09:57 GMT 2025