sparc64.c revision 1.13
1 /* $NetBSD: sparc64.c,v 1.13 2002/05/15 02:18:24 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 1.13 2002/05/15 02:18:24 lukem Exp $"); 70 #endif /* !__lint */ 71 72 #include <sys/param.h> 73 74 #include <assert.h> 75 #include <err.h> 76 #include <stddef.h> 77 #include <stdio.h> 78 #include <stdlib.h> 79 #include <string.h> 80 #include <unistd.h> 81 82 #include "installboot.h" 83 84 int 85 sparc64_clearboot(ib_params *params) 86 { 87 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 88 ssize_t rv; 89 90 assert(params != NULL); 91 assert(params->fsfd != -1); 92 assert(params->filesystem != NULL); 93 94 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 95 warnx("`-b bno' and `-B bno' are not supported for %s", 96 params->machine->name); 97 return (0); 98 } 99 100 /* first check that it _could_ exist here */ 101 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 102 if (rv == -1) { 103 warn("Reading `%s'", params->filesystem); 104 return (0); 105 } else if (rv != sizeof(bb)) { 106 warnx("Reading `%s': short read", params->filesystem); 107 return (0); 108 } 109 110 /* now clear it out to nothing */ 111 memset(&bb, 0, sizeof(bb)); 112 113 if (params->flags & IB_VERBOSE) 114 printf("%slearing boot block\n", 115 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 116 if (params->flags & IB_NOWRITE) 117 return (1); 118 119 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 120 if (rv == -1) { 121 warn("Writing `%s'", params->filesystem); 122 return (0); 123 } else if (rv != sizeof(bb)) { 124 warnx("Writing `%s': short write", params->filesystem); 125 return (0); 126 } 127 128 return (1); 129 } 130 131 int 132 sparc64_setboot(ib_params *params) 133 { 134 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 135 int retval; 136 ssize_t rv; 137 138 assert(params != NULL); 139 assert(params->fsfd != -1); 140 assert(params->filesystem != NULL); 141 assert(params->s1fd != -1); 142 assert(params->stage1 != NULL); 143 144 retval = 0; 145 146 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 147 warnx("`-b bno' and `-B bno' are not supported for %s", 148 params->machine->name); 149 goto done; 150 } 151 152 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 153 rv = read(params->s1fd, &bb, sizeof(bb)); 154 if (rv == -1) { 155 warn("Reading `%s'", params->stage1); 156 goto done; 157 } 158 159 if (params->flags & IB_VERBOSE) { 160 printf("Bootstrap start sector: %u\n", 161 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 162 printf("Bootstrap byte count: %u\n", (unsigned)rv); 163 printf("%sriting bootstrap\n", 164 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 165 } 166 if (params->flags & IB_NOWRITE) { 167 retval = 1; 168 goto done; 169 } 170 171 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 172 SPARC64_BOOT_BLOCK_OFFSET); 173 if (rv == -1) { 174 warn("Writing `%s'", params->filesystem); 175 goto done; 176 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 177 warnx("Writing `%s': short write", params->filesystem); 178 goto done; 179 } else 180 retval = 1; 181 182 done: 183 return (retval); 184 } 185
Indexes created Wed Oct 01 19:09:53 GMT 2025