sparc64.c revision 1.14
1 /* $NetBSD: sparc64.c,v 1.14 2004/06/20 22:20:17 jmc 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 #if HAVE_NBTOOL_CONFIG_H 68 #include "nbtool_config.h" 69 #endif 70 71 #include <sys/cdefs.h> 72 #if defined(__RCSID) && !defined(__lint) 73 __RCSID("$NetBSD: sparc64.c,v 1.14 2004/06/20 22:20:17 jmc Exp $"); 74 #endif /* !__lint */ 75 76 #include <sys/param.h> 77 78 #include <assert.h> 79 #include <err.h> 80 #include <stddef.h> 81 #include <stdio.h> 82 #include <stdlib.h> 83 #include <string.h> 84 #include <unistd.h> 85 86 #include "installboot.h" 87 88 int 89 sparc64_clearboot(ib_params *params) 90 { 91 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 92 ssize_t rv; 93 94 assert(params != NULL); 95 assert(params->fsfd != -1); 96 assert(params->filesystem != NULL); 97 98 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 99 warnx("`-b bno' and `-B bno' are not supported for %s", 100 params->machine->name); 101 return (0); 102 } 103 104 /* first check that it _could_ exist here */ 105 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 106 if (rv == -1) { 107 warn("Reading `%s'", params->filesystem); 108 return (0); 109 } else if (rv != sizeof(bb)) { 110 warnx("Reading `%s': short read", params->filesystem); 111 return (0); 112 } 113 114 /* now clear it out to nothing */ 115 memset(&bb, 0, sizeof(bb)); 116 117 if (params->flags & IB_VERBOSE) 118 printf("%slearing boot block\n", 119 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 120 if (params->flags & IB_NOWRITE) 121 return (1); 122 123 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 124 if (rv == -1) { 125 warn("Writing `%s'", params->filesystem); 126 return (0); 127 } else if (rv != sizeof(bb)) { 128 warnx("Writing `%s': short write", params->filesystem); 129 return (0); 130 } 131 132 return (1); 133 } 134 135 int 136 sparc64_setboot(ib_params *params) 137 { 138 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 139 int retval; 140 ssize_t rv; 141 142 assert(params != NULL); 143 assert(params->fsfd != -1); 144 assert(params->filesystem != NULL); 145 assert(params->s1fd != -1); 146 assert(params->stage1 != NULL); 147 148 retval = 0; 149 150 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 151 warnx("`-b bno' and `-B bno' are not supported for %s", 152 params->machine->name); 153 goto done; 154 } 155 156 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 157 rv = read(params->s1fd, &bb, sizeof(bb)); 158 if (rv == -1) { 159 warn("Reading `%s'", params->stage1); 160 goto done; 161 } 162 163 if (params->flags & IB_VERBOSE) { 164 printf("Bootstrap start sector: %u\n", 165 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 166 printf("Bootstrap byte count: %u\n", (unsigned)rv); 167 printf("%sriting bootstrap\n", 168 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 169 } 170 if (params->flags & IB_NOWRITE) { 171 retval = 1; 172 goto done; 173 } 174 175 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 176 SPARC64_BOOT_BLOCK_OFFSET); 177 if (rv == -1) { 178 warn("Writing `%s'", params->filesystem); 179 goto done; 180 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 181 warnx("Writing `%s': short write", params->filesystem); 182 goto done; 183 } else 184 retval = 1; 185 186 done: 187 return (retval); 188 } 189
Indexes created Wed Oct 01 19:09:53 GMT 2025