macppc.c revision 1.2
1 /* $NetBSD: macppc.c,v 1.2 2002/05/15 13:38:42 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 #include <sys/cdefs.h> 40 #if defined(__RCSID) && !defined(__lint) 41 __RCSID("$NetBSD: macppc.c,v 1.2 2002/05/15 13:38:42 lukem Exp $"); 42 #endif /* !__lint */ 43 44 #if HAVE_CONFIG_H 45 #include "config.h" 46 #endif 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 0, 65 }; 66 67 static int writeapplepartmap(ib_params *, struct bbinfo_params *, char *); 68 69 70 int 71 macppc_clearboot(ib_params *params) 72 { 73 74 assert(params != NULL); 75 76 if (params->flags & IB_STAGE1START) { 77 warnx("`-b bno' is not supported for %s", 78 params->machine->name); 79 return (0); 80 } 81 return (shared_bbinfo_clearboot(params, &bbparams)); 82 } 83 84 static int 85 writeapplepartmap(ib_params *params, struct bbinfo_params *bb_params, char *bb) 86 { 87 struct apple_drvr_map dm; 88 struct apple_part_map_entry pme; 89 90 assert (params != NULL); 91 assert (bb_params != NULL); 92 assert (bb != NULL); 93 94 if (params->flags & IB_NOWRITE) 95 return (1); 96 97 /* block 0: driver map */ 98 if (pread(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 99 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 100 warn("Can't read sector 0 of `%s'", params->filesystem); 101 return (0); 102 } 103 dm.sbSig = APPLE_DRVR_MAP_MAGIC; 104 dm.sbBlockSize = 512; 105 dm.sbBlkCount = 0; 106 if (pwrite(params->fsfd, &dm, MACPPC_BOOT_BLOCK_BLOCKSIZE, 0) != 107 MACPPC_BOOT_BLOCK_BLOCKSIZE) { 108 warn("Can't write sector 0 of `%s'", params->filesystem); 109 return (0); 110 } 111 112 /* block 1: Apple Partition Map */ 113 memset(&pme, 0, sizeof(pme)); 114 pme.pmSig = APPLE_PART_MAP_ENTRY_MAGIC; 115 pme.pmMapBlkCnt = 2; 116 pme.pmPyPartStart = 1; 117 pme.pmPartBlkCnt = pme.pmDataCnt = 2; 118 strlcpy(pme.pmPartName, "Apple", sizeof(pme.pmPartName)); 119 strlcpy(pme.pmPartType, "Apple_partition_map", sizeof(pme.pmPartType)); 120 pme.pmPartStatus = 0x37; 121 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 122 1 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 123 warn("Can't write Apple Partition Map into sector 1 of `%s'", 124 params->filesystem); 125 return (0); 126 } 127 128 /* block 2: NetBSD partition */ 129 memset(&pme, 0, sizeof(pme)); 130 pme.pmSig = APPLE_PART_MAP_ENTRY_MAGIC; 131 pme.pmMapBlkCnt = 2; 132 pme.pmPyPartStart = 4; 133 pme.pmPartBlkCnt = pme.pmDataCnt = 0x7fffffff; 134 strlcpy(pme.pmPartName, "NetBSD", sizeof(pme.pmPartName)); 135 strlcpy(pme.pmPartType, "NetBSD/macppc", sizeof(pme.pmPartType)); 136 pme.pmPartStatus = 0x3b; 137 pme.pmBootSize = 0x400; 138 pme.pmBootLoad = 0x4000; 139 pme.pmBootEntry = 0x4000; 140 strlcpy(pme.pmProcessor, "PowerPC", sizeof(pme.pmProcessor)); 141 if (pwrite(params->fsfd, &pme, MACPPC_BOOT_BLOCK_BLOCKSIZE, 142 2 * MACPPC_BOOT_BLOCK_BLOCKSIZE) != MACPPC_BOOT_BLOCK_BLOCKSIZE) { 143 warn("Can't write Apple Partition Map into sector 2 of `%s'", 144 params->filesystem); 145 return (0); 146 } 147 148 return (1); 149 } 150 151 int 152 macppc_setboot(ib_params *params) 153 { 154 155 assert(params != NULL); 156 157 if (params->flags & IB_STAGE1START) { 158 warnx("`-b bno' is not supported for %s", 159 params->machine->name); 160 return (0); 161 } 162 return (shared_bbinfo_setboot(params, &bbparams, writeapplepartmap)); 163 } 164
Indexes created Thu Oct 02 14:10:14 GMT 2025