macppc.c revision 1.8
1 /* $NetBSD: macppc.c,v 1.8 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. 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 1.8 2006/02/18 10:08:07 dsl 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 static int macppc_clearboot(ib_params *); 70 static int macppc_setboot(ib_params *); 71 72 struct ib_mach ib_mach_macppc = 73 { "macppc", macppc_setboot, macppc_clearboot, no_editboot, 74 IB_STAGE2START }; 75 76 static int 77 macppc_clearboot(ib_params *params) 78 { 79 80 assert(params != NULL); 81 82 /* XXX: maybe clear the apple partition map too? */ 83 return (shared_bbinfo_clearboot(params, &bbparams, NULL)); 84 } 85 86 static int 87 macppc_setboot(ib_params *params) 88 { 89 90 assert(params != NULL); 91 92 return (shared_bbinfo_setboot(params, &bbparams, writeapplepartmap)); 93 } 94 95 96 static int 97 writeapplepartmap(ib_params *params, struct bbinfo_params *bb_params, 98 uint8_t *bb) 99 { 100 struct apple_drvr_map dm; 101 struct apple_part_map_entry pme; 102 103 assert (params != NULL); 104 assert (bb_params != NULL); 105 assert (bb != NULL); 106 107 if (params->flags & IB_NOWRITE) 108 return (1); 109 110 /* block 0: driver map */ 111 if (pread(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 112 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 113 warn("Can't read sector 0 of `%s'", params->filesystem); 114 return (0); 115 } 116 dm.sbSig = htobe16(APPLE_DRVR_MAP_MAGIC); 117 dm.sbBlockSize = htobe16(512); 118 dm.sbBlkCount = htobe32(0); 119 if (pwrite(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 120 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 121 warn("Can't write sector 0 of `%s'", params->filesystem); 122 return (0); 123 } 124 125 /* block 1: Apple Partition Map */ 126 memset(&pme, 0, sizeof(pme)); 127 pme.pmSig = htobe16(APPLE_PART_MAP_ENTRY_MAGIC); 128 pme.pmMapBlkCnt = htobe32(2); 129 pme.pmPyPartStart = htobe32(1); 130 pme.pmPartBlkCnt = htobe32(2); 131 pme.pmDataCnt = htobe32(2); 132 strlcpy(pme.pmPartName, "Apple", sizeof(pme.pmPartName)); 133 strlcpy(pme.pmPartType, "Apple_partition_map", sizeof(pme.pmPartType)); 134 pme.pmPartStatus = htobe32(0x37); 135 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 136 1 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 137 warn("Can't write Apple Partition Map into sector 1 of `%s'", 138 params->filesystem); 139 return (0); 140 } 141 142 /* block 2: NetBSD partition */ 143 memset(&pme, 0, sizeof(pme)); 144 pme.pmSig = htobe16(APPLE_PART_MAP_ENTRY_MAGIC); 145 pme.pmMapBlkCnt = htobe32(2); 146 pme.pmPyPartStart = htobe32(4); 147 pme.pmPartBlkCnt = htobe32(0x7fffffff); 148 pme.pmDataCnt = htobe32(0x7fffffff); 149 strlcpy(pme.pmPartName, "NetBSD", sizeof(pme.pmPartName)); 150 strlcpy(pme.pmPartType, "NetBSD/macppc", sizeof(pme.pmPartType)); 151 pme.pmPartStatus = htobe32(0x3b); 152 pme.pmBootSize = htobe32(roundup(params->s1stat.st_size, 512)); 153 pme.pmBootLoad = htobe32(0x4000); 154 pme.pmBootEntry = htobe32(0x4000); 155 strlcpy(pme.pmProcessor, "PowerPC", sizeof(pme.pmProcessor)); 156 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 157 2 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 158 warn("Can't write Apple Partition Map into sector 2 of `%s'", 159 params->filesystem); 160 return (0); 161 } 162 163 return (1); 164 } 165
Indexes created Thu Oct 02 14:10:14 GMT 2025