sparc64.c revision 1.11
1 /* $NetBSD: sparc64.c,v 1.11 2002/05/14 06:18:52 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 of Wasabi Systems. 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 /* 40 * Copyright (c) 2002 Matthew R. Green 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 59 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 60 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 61 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 62 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 */ 66 67 #include <sys/cdefs.h> 68 #if defined(__RCSID) && !defined(__lint) 69 __RCSID("$NetBSD: sparc64.c,v 1.11 2002/05/14 06:18:52 lukem Exp $"); 70 #endif /* !__lint */ 71 72 #include <sys/param.h> 73 #include <sys/stat.h> 74 75 #include <assert.h> 76 #include <err.h> 77 #include <stddef.h> 78 #include <stdio.h> 79 #include <stdlib.h> 80 #include <string.h> 81 #include <unistd.h> 82 83 #if HAVE_CONFIG_H 84 #include "../../sys/sys/bootblock.h" 85 #else 86 #include <sys/bootblock.h> 87 #endif 88 89 #include "installboot.h" 90 91 int 92 sparc64_clearboot(ib_params *params) 93 { 94 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 95 ssize_t rv; 96 97 assert(params != NULL); 98 assert(params->fsfd != -1); 99 assert(params->filesystem != NULL); 100 101 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 102 warnx("`-b bno' and `-B bno' are not supported for %s", 103 params->machine->name); 104 return (0); 105 } 106 107 /* first check that it _could_ exist here */ 108 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 109 if (rv == -1) { 110 warn("Reading `%s'", params->filesystem); 111 return (0); 112 } else if (rv != sizeof(bb)) { 113 warnx("Reading `%s': short read", params->filesystem); 114 return (0); 115 } 116 117 /* now clear it out to nothing */ 118 memset(&bb, 0, sizeof(bb)); 119 120 if (params->flags & IB_VERBOSE) 121 printf("%slearing boot block\n", 122 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 123 if (params->flags & IB_NOWRITE) 124 return (1); 125 126 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 127 if (rv == -1) { 128 warn("Writing `%s'", params->filesystem); 129 return (0); 130 } else if (rv != sizeof(bb)) { 131 warnx("Writing `%s': short write", params->filesystem); 132 return (0); 133 } 134 135 return (1); 136 } 137 138 int 139 sparc64_setboot(ib_params *params) 140 { 141 struct stat bootstrapsb; 142 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 143 int retval; 144 ssize_t rv; 145 146 assert(params != NULL); 147 assert(params->fsfd != -1); 148 assert(params->filesystem != NULL); 149 assert(params->s1fd != -1); 150 assert(params->stage1 != NULL); 151 152 retval = 0; 153 154 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 155 warnx("`-b bno' and `-B bno' are not supported for %s", 156 params->machine->name); 157 goto done; 158 } 159 160 if (fstat(params->s1fd, &bootstrapsb) == -1) { 161 warn("Examining `%s'", params->stage1); 162 goto done; 163 } 164 if (!S_ISREG(bootstrapsb.st_mode)) { 165 warnx("`%s' must be a regular file", params->stage1); 166 goto done; 167 } 168 169 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 170 rv = read(params->s1fd, &bb, sizeof(bb)); 171 if (rv == -1) { 172 warn("Reading `%s'", params->stage1); 173 goto done; 174 } 175 176 if (params->flags & IB_VERBOSE) { 177 printf("Bootstrap start sector: %u\n", 178 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 179 printf("Bootstrap byte count: %u\n", (unsigned)rv); 180 printf("%sriting bootstrap\n", 181 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 182 } 183 if (params->flags & IB_NOWRITE) { 184 retval = 1; 185 goto done; 186 } 187 188 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 189 SPARC64_BOOT_BLOCK_OFFSET); 190 if (rv == -1) { 191 warn("Writing `%s'", params->filesystem); 192 goto done; 193 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 194 warnx("Writing `%s': short write", params->filesystem); 195 goto done; 196 } else 197 retval = 1; 198 199 done: 200 return (retval); 201 } 202
Indexes created Wed Oct 01 19:09:53 GMT 2025