sparc64.c revision 1.16
1 /* $NetBSD: sparc64.c,v 1.16 2008/04/28 20:24:16 martin 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 * 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 /* 33 * Copyright (c) 2002 Matthew R. Green 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. The name of the author may not be used to endorse or promote products 45 * derived from this software without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 52 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 53 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 54 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 55 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 57 * SUCH DAMAGE. 58 */ 59 60 #if HAVE_NBTOOL_CONFIG_H 61 #include "nbtool_config.h" 62 #endif 63 64 #include <sys/cdefs.h> 65 #if defined(__RCSID) && !defined(__lint) 66 __RCSID("$NetBSD: sparc64.c,v 1.16 2008/04/28 20:24:16 martin Exp $"); 67 #endif /* !__lint */ 68 69 #include <sys/param.h> 70 71 #include <assert.h> 72 #include <err.h> 73 #include <stddef.h> 74 #include <stdio.h> 75 #include <stdlib.h> 76 #include <string.h> 77 #include <unistd.h> 78 79 #include "installboot.h" 80 81 static int sparc64_clearboot(ib_params *); 82 static int sparc64_setboot(ib_params *); 83 84 struct ib_mach ib_mach_sparc64 = 85 { "sparc64", sparc64_setboot, sparc64_clearboot, no_editboot, 0}; 86 87 static int 88 sparc64_clearboot(ib_params *params) 89 { 90 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 91 ssize_t rv; 92 93 assert(params != NULL); 94 assert(params->fsfd != -1); 95 assert(params->filesystem != NULL); 96 97 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 98 warnx("`-b bno' and `-B bno' are not supported for %s", 99 params->machine->name); 100 return (0); 101 } 102 103 /* first check that it _could_ exist here */ 104 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 105 if (rv == -1) { 106 warn("Reading `%s'", params->filesystem); 107 return (0); 108 } else if (rv != sizeof(bb)) { 109 warnx("Reading `%s': short read", params->filesystem); 110 return (0); 111 } 112 113 /* now clear it out to nothing */ 114 memset(&bb, 0, sizeof(bb)); 115 116 if (params->flags & IB_VERBOSE) 117 printf("%slearing boot block\n", 118 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 119 if (params->flags & IB_NOWRITE) 120 return (1); 121 122 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 123 if (rv == -1) { 124 warn("Writing `%s'", params->filesystem); 125 return (0); 126 } else if (rv != sizeof(bb)) { 127 warnx("Writing `%s': short write", params->filesystem); 128 return (0); 129 } 130 131 return (1); 132 } 133 134 static int 135 sparc64_setboot(ib_params *params) 136 { 137 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 138 int retval; 139 ssize_t rv; 140 141 assert(params != NULL); 142 assert(params->fsfd != -1); 143 assert(params->filesystem != NULL); 144 assert(params->s1fd != -1); 145 assert(params->stage1 != NULL); 146 147 retval = 0; 148 149 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 150 warnx("`-b bno' and `-B bno' are not supported for %s", 151 params->machine->name); 152 goto done; 153 } 154 155 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 156 rv = read(params->s1fd, &bb, sizeof(bb)); 157 if (rv == -1) { 158 warn("Reading `%s'", params->stage1); 159 goto done; 160 } 161 162 if (params->flags & IB_VERBOSE) { 163 printf("Bootstrap start sector: %u\n", 164 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 165 printf("Bootstrap byte count: %u\n", (unsigned)rv); 166 printf("%sriting bootstrap\n", 167 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 168 } 169 if (params->flags & IB_NOWRITE) { 170 retval = 1; 171 goto done; 172 } 173 174 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 175 SPARC64_BOOT_BLOCK_OFFSET); 176 if (rv == -1) { 177 warn("Writing `%s'", params->filesystem); 178 goto done; 179 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 180 warnx("Writing `%s': short write", params->filesystem); 181 goto done; 182 } else 183 retval = 1; 184 185 done: 186 return (retval); 187 } 188
Indexes created Wed Oct 01 19:09:53 GMT 2025