macppc.c revision 1.7
1 /* $NetBSD: macppc.c,v 1.7 2003/10/27 00:12:44 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. 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 #if HAVE_NBTOOL_CONFIG_H 40 #include "nbtool_config.h" 41 #endif 42 43 #include <sys/cdefs.h> 44 #if !defined(__lint) 45 __RCSID("$NetBSD: macppc.c,v 1.7 2003/10/27 00:12:44 lukem Exp $"); 46 #endif /* !__lint */ 47 48 #include <sys/param.h> 49 50 #include <assert.h> 51 #include <err.h> 52 #include <stdio.h> 53 #include <string.h> 54 #include <unistd.h> 55 56 #include "installboot.h" 57 58 static struct bbinfo_params bbparams = { 59 MACPPC_BBINFO_MAGIC, 60 MACPPC_BOOT_BLOCK_OFFSET, 61 MACPPC_BOOT_BLOCK_BLOCKSIZE, 62 MACPPC_BOOT_BLOCK_MAX_SIZE, 63 0, 64 BBINFO_BIG_ENDIAN, 65 }; 66 67 static int writeapplepartmap(ib_params *, struct bbinfo_params *, uint8_t *); 68 69 70 int 71 macppc_clearboot(ib_params *params) 72 { 73 74 assert(params != NULL); 75 76 /* XXX: maybe clear the apple partition map too? */ 77 return (shared_bbinfo_clearboot(params, &bbparams, NULL)); 78 } 79 80 int 81 macppc_setboot(ib_params *params) 82 { 83 84 assert(params != NULL); 85 86 return (shared_bbinfo_setboot(params, &bbparams, writeapplepartmap)); 87 } 88 89 90 static int 91 writeapplepartmap(ib_params *params, struct bbinfo_params *bb_params, 92 uint8_t *bb) 93 { 94 struct apple_drvr_map dm; 95 struct apple_part_map_entry pme; 96 97 assert (params != NULL); 98 assert (bb_params != NULL); 99 assert (bb != NULL); 100 101 if (params->flags & IB_NOWRITE) 102 return (1); 103 104 /* block 0: driver map */ 105 if (pread(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 106 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 107 warn("Can't read sector 0 of `%s'", params->filesystem); 108 return (0); 109 } 110 dm.sbSig = htobe16(APPLE_DRVR_MAP_MAGIC); 111 dm.sbBlockSize = htobe16(512); 112 dm.sbBlkCount = htobe32(0); 113 if (pwrite(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 114 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 115 warn("Can't write sector 0 of `%s'", params->filesystem); 116 return (0); 117 } 118 119 /* block 1: Apple Partition Map */ 120 memset(&pme, 0, sizeof(pme)); 121 pme.pmSig = htobe16(APPLE_PART_MAP_ENTRY_MAGIC); 122 pme.pmMapBlkCnt = htobe32(2); 123 pme.pmPyPartStart = htobe32(1); 124 pme.pmPartBlkCnt = htobe32(2); 125 pme.pmDataCnt = htobe32(2); 126 strlcpy(pme.pmPartName, "Apple", sizeof(pme.pmPartName)); 127 strlcpy(pme.pmPartType, "Apple_partition_map", sizeof(pme.pmPartType)); 128 pme.pmPartStatus = htobe32(0x37); 129 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 130 1 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 131 warn("Can't write Apple Partition Map into sector 1 of `%s'", 132 params->filesystem); 133 return (0); 134 } 135 136 /* block 2: NetBSD partition */ 137 memset(&pme, 0, sizeof(pme)); 138 pme.pmSig = htobe16(APPLE_PART_MAP_ENTRY_MAGIC); 139 pme.pmMapBlkCnt = htobe32(2); 140 pme.pmPyPartStart = htobe32(4); 141 pme.pmPartBlkCnt = htobe32(0x7fffffff); 142 pme.pmDataCnt = htobe32(0x7fffffff); 143 strlcpy(pme.pmPartName, "NetBSD", sizeof(pme.pmPartName)); 144 strlcpy(pme.pmPartType, "NetBSD/macppc", sizeof(pme.pmPartType)); 145 pme.pmPartStatus = htobe32(0x3b); 146 pme.pmBootSize = htobe32(roundup(params->s1stat.st_size, 512)); 147 pme.pmBootLoad = htobe32(0x4000); 148 pme.pmBootEntry = htobe32(0x4000); 149 strlcpy(pme.pmProcessor, "PowerPC", sizeof(pme.pmProcessor)); 150 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 151 2 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 152 warn("Can't write Apple Partition Map into sector 2 of `%s'", 153 params->filesystem); 154 return (0); 155 } 156 157 return (1); 158 } 159
Indexes created Thu Oct 02 14:10:14 GMT 2025