sparc64.c revision 1.15
1 /* $NetBSD: sparc64.c,v 1.15 2006/02/18 10:08:07 dsl 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 1.15 2006/02/18 10:08:07 dsl 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 static int sparc64_clearboot(ib_params *); 89 static int sparc64_setboot(ib_params *); 90 91 struct ib_mach ib_mach_sparc64 = 92 { "sparc64", sparc64_setboot, sparc64_clearboot, no_editboot, 0}; 93 94 static int 95 sparc64_clearboot(ib_params *params) 96 { 97 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 98 ssize_t rv; 99 100 assert(params != NULL); 101 assert(params->fsfd != -1); 102 assert(params->filesystem != NULL); 103 104 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 105 warnx("`-b bno' and `-B bno' are not supported for %s", 106 params->machine->name); 107 return (0); 108 } 109 110 /* first check that it _could_ exist here */ 111 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 112 if (rv == -1) { 113 warn("Reading `%s'", params->filesystem); 114 return (0); 115 } else if (rv != sizeof(bb)) { 116 warnx("Reading `%s': short read", params->filesystem); 117 return (0); 118 } 119 120 /* now clear it out to nothing */ 121 memset(&bb, 0, sizeof(bb)); 122 123 if (params->flags & IB_VERBOSE) 124 printf("%slearing boot block\n", 125 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 126 if (params->flags & IB_NOWRITE) 127 return (1); 128 129 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 130 if (rv == -1) { 131 warn("Writing `%s'", params->filesystem); 132 return (0); 133 } else if (rv != sizeof(bb)) { 134 warnx("Writing `%s': short write", params->filesystem); 135 return (0); 136 } 137 138 return (1); 139 } 140 141 static int 142 sparc64_setboot(ib_params *params) 143 { 144 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 145 int retval; 146 ssize_t rv; 147 148 assert(params != NULL); 149 assert(params->fsfd != -1); 150 assert(params->filesystem != NULL); 151 assert(params->s1fd != -1); 152 assert(params->stage1 != NULL); 153 154 retval = 0; 155 156 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 157 warnx("`-b bno' and `-B bno' are not supported for %s", 158 params->machine->name); 159 goto done; 160 } 161 162 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 163 rv = read(params->s1fd, &bb, sizeof(bb)); 164 if (rv == -1) { 165 warn("Reading `%s'", params->stage1); 166 goto done; 167 } 168 169 if (params->flags & IB_VERBOSE) { 170 printf("Bootstrap start sector: %u\n", 171 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 172 printf("Bootstrap byte count: %u\n", (unsigned)rv); 173 printf("%sriting bootstrap\n", 174 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 175 } 176 if (params->flags & IB_NOWRITE) { 177 retval = 1; 178 goto done; 179 } 180 181 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 182 SPARC64_BOOT_BLOCK_OFFSET); 183 if (rv == -1) { 184 warn("Writing `%s'", params->filesystem); 185 goto done; 186 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 187 warnx("Writing `%s': short write", params->filesystem); 188 goto done; 189 } else 190 retval = 1; 191 192 done: 193 return (retval); 194 } 195
Indexes created Wed Oct 01 19:09:53 GMT 2025