1 /* $NetBSD: sparc64.c,v 1.19 2019/05/07 04:35:31 thorpej 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 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 50 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 51 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 52 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 53 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58 #if HAVE_NBTOOL_CONFIG_H 59 #include "nbtool_config.h" 60 #endif 61 62 #include <sys/cdefs.h> 63 #if !defined(__lint) 64 __RCSID("$NetBSD: sparc64.c,v 1.19 2019/05/07 04:35:31 thorpej Exp $"); 65 #endif /* !__lint */ 66 67 #include <sys/param.h> 68 69 #include <assert.h> 70 #include <err.h> 71 #include <stddef.h> 72 #include <stdio.h> 73 #include <stdlib.h> 74 #include <string.h> 75 #include <unistd.h> 76 77 #include "installboot.h" 78 79 static int sparc64_clearboot(ib_params *); 80 static int sparc64_setboot(ib_params *); 81 82 struct ib_mach ib_mach_sparc64 = { 83 .name = "sparc64", 84 .setboot = sparc64_setboot, 85 .clearboot = sparc64_clearboot, 86 .editboot = no_editboot, 87 }; 88 89 static int 90 sparc64_clearboot(ib_params *params) 91 { 92 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 93 ssize_t rv; 94 95 assert(params != NULL); 96 assert(params->fsfd != -1); 97 assert(params->filesystem != NULL); 98 99 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 100 warnx("`-b bno' and `-B bno' are not supported for %s", 101 params->machine->name); 102 return (0); 103 } 104 105 /* first check that it _could_ exist here */ 106 rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 107 if (rv == -1) { 108 warn("Reading `%s'", params->filesystem); 109 return (0); 110 } else if (rv != sizeof(bb)) { 111 warnx("Reading `%s': short read", params->filesystem); 112 return (0); 113 } 114 115 /* now clear it out to nothing */ 116 memset(&bb, 0, sizeof(bb)); 117 118 if (params->flags & IB_VERBOSE) 119 printf("%slearing boot block\n", 120 (params->flags & IB_NOWRITE) ? "Not c" : "C"); 121 if (params->flags & IB_NOWRITE) 122 return (1); 123 124 rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET); 125 if (rv == -1) { 126 warn("Writing `%s'", params->filesystem); 127 return (0); 128 } else if (rv != sizeof(bb)) { 129 warnx("Writing `%s': short write", params->filesystem); 130 return (0); 131 } 132 133 return (1); 134 } 135 136 static int 137 sparc64_setboot(ib_params *params) 138 { 139 char bb[SPARC64_BOOT_BLOCK_MAX_SIZE]; 140 int retval; 141 ssize_t rv; 142 143 assert(params != NULL); 144 assert(params->fsfd != -1); 145 assert(params->filesystem != NULL); 146 assert(params->s1fd != -1); 147 assert(params->stage1 != NULL); 148 149 retval = 0; 150 151 if (params->flags & (IB_STAGE1START | IB_STAGE2START)) { 152 warnx("`-b bno' and `-B bno' are not supported for %s", 153 params->machine->name); 154 goto done; 155 } 156 157 memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE); 158 rv = read(params->s1fd, &bb, sizeof(bb)); 159 if (rv == -1) { 160 warn("Reading `%s'", params->stage1); 161 goto done; 162 } 163 164 if (params->flags & IB_VERBOSE) { 165 printf("Bootstrap start sector: %u\n", 166 SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE); 167 printf("Bootstrap byte count: %u\n", (unsigned)rv); 168 printf("%sriting bootstrap\n", 169 (params->flags & IB_NOWRITE) ? "Not w" : "W"); 170 } 171 if (params->flags & IB_NOWRITE) { 172 retval = 1; 173 goto done; 174 } 175 176 rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE, 177 SPARC64_BOOT_BLOCK_OFFSET); 178 if (rv == -1) { 179 warn("Writing `%s'", params->filesystem); 180 goto done; 181 } else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) { 182 warnx("Writing `%s': short write", params->filesystem); 183 goto done; 184 } else 185 retval = 1; 186 187 done: 188 return (retval); 189 } 190
Indexes created Fri Sep 26 20:09:58 GMT 2025