| 1 |
dpavlin |
1 |
/* |
| 2 |
|
|
* PearPC |
| 3 |
|
|
* hfs.cc |
| 4 |
|
|
* |
| 5 |
|
|
* Copyright (C) 2004 Stefan Weyergraf |
| 6 |
|
|
* |
| 7 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 8 |
|
|
* it under the terms of the GNU General Public License version 2 as |
| 9 |
|
|
* published by the Free Software Foundation. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
#include <string.h> |
| 22 |
|
|
|
| 23 |
|
|
#include "debug/tracers.h" |
| 24 |
|
|
#include "hfs.h" |
| 25 |
|
|
#include "hfsstruct.h" |
| 26 |
|
|
#include "hfsplus.h" |
| 27 |
|
|
#include "tools/debug.h" |
| 28 |
|
|
#include "tools/endianess.h" |
| 29 |
|
|
#include "tools/except.h" |
| 30 |
|
|
#include "tools/snprintf.h" |
| 31 |
|
|
|
| 32 |
|
|
extern "C" { |
| 33 |
|
|
#include "hfs/libhfs.h" |
| 34 |
|
|
#include "hfs/volume.h" |
| 35 |
|
|
} |
| 36 |
|
|
|
| 37 |
|
|
byte HFSNodeDescriptor_struct[] = { |
| 38 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 39 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 40 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 41 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 42 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 43 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 44 |
|
|
0 |
| 45 |
|
|
}; |
| 46 |
|
|
|
| 47 |
|
|
byte HFSBTHdrRec_struct[] = { |
| 48 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 49 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 50 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 51 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 52 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 53 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 54 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 55 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 56 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 57 |
|
|
0 |
| 58 |
|
|
}; |
| 59 |
|
|
|
| 60 |
|
|
byte HFSCatKeyRec_struct[] = { |
| 61 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 62 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 63 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 64 |
|
|
// 31 bytes |
| 65 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 66 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 67 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 68 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 69 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 70 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 71 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 72 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 73 |
|
|
|
| 74 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 75 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 76 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 77 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 78 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 79 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 80 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 81 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 82 |
|
|
|
| 83 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 84 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 85 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 86 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 87 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 88 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 89 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 90 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 91 |
|
|
|
| 92 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 93 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 94 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 95 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 96 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 97 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 98 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 99 |
|
|
|
| 100 |
|
|
0 |
| 101 |
|
|
}; |
| 102 |
|
|
|
| 103 |
|
|
byte HFSCatFileRec_struct[] = { |
| 104 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 105 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 106 |
|
|
// FInfo |
| 107 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 108 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 109 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 110 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 111 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 112 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 113 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 114 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 115 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 116 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 117 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 118 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 119 |
|
|
// |
| 120 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 121 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 122 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 123 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 124 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 125 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 126 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 127 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 128 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 129 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 130 |
|
|
// FXInfo |
| 131 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 132 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 133 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 134 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 135 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 136 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 137 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 138 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 139 |
|
|
// |
| 140 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 141 |
|
|
// data fork extent record |
| 142 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 143 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 144 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 145 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 146 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 147 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 148 |
|
|
// res fork extent record |
| 149 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 150 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 151 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 152 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 153 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 154 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 155 |
|
|
// |
| 156 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 157 |
|
|
0 |
| 158 |
|
|
}; |
| 159 |
|
|
|
| 160 |
|
|
byte HFSMDB_struct[] = { |
| 161 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 162 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 163 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 164 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 165 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 166 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 167 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 168 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 169 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 170 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 171 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 172 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 173 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 174 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 175 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 176 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 177 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 178 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 179 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 180 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 181 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 182 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 183 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 184 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 185 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 186 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 187 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 188 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 189 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 190 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 191 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 192 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 193 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 194 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 195 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 196 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 197 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 198 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 199 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 200 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 201 |
|
|
STRUCT_ENDIAN_8 | STRUCT_ENDIAN_HOST, |
| 202 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 203 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 204 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 205 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 206 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 207 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 208 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 209 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 210 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 211 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 212 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 213 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 214 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 215 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 216 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 217 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 218 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 219 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 220 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 221 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 222 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 223 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 224 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 225 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 226 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 227 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 228 |
|
|
STRUCT_ENDIAN_32 | STRUCT_ENDIAN_HOST, |
| 229 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 230 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 231 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 232 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 233 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 234 |
|
|
STRUCT_ENDIAN_16 | STRUCT_ENDIAN_HOST, |
| 235 |
|
|
0 |
| 236 |
|
|
}; |
| 237 |
|
|
|
| 238 |
|
|
/* |
| 239 |
|
|
* |
| 240 |
|
|
*/ |
| 241 |
|
|
static bool doTryBootHFS(const HFSMDB &mdb, File *aDevice, uint aDeviceBlocksize, FileOfs start, PartitionEntry *partEnt); |
| 242 |
|
|
|
| 243 |
|
|
bool tryBootHFS(File *aDevice, uint aDeviceBlocksize, FileOfs start, PartitionEntry *partEnt) |
| 244 |
|
|
{ |
| 245 |
|
|
HFSMDB mdb; |
| 246 |
|
|
aDevice->seek(start+0x400); |
| 247 |
|
|
if (aDevice->read((byte*)&mdb, sizeof mdb) == sizeof mdb) { |
| 248 |
|
|
createHostStructx(&mdb, sizeof mdb, HFSMDB_struct, big_endian); |
| 249 |
|
|
if (mdb.drSigWord == HFSSigWord) { |
| 250 |
|
|
if (mdb.drEmbedSigWord == HFSPlusSigWord) { |
| 251 |
|
|
// HFS+ (embedded in HFS) |
| 252 |
|
|
IO_PROM_FS_TRACE("contains HFS volume, embedding a HFS+ volume\n"); |
| 253 |
|
|
IO_PROM_FS_TRACE("embed.start=%08x, embed.count=%08x, hfsblksz=%08x\n", |
| 254 |
|
|
mdb.drEmbedExtent.startBlock, |
| 255 |
|
|
mdb.drEmbedExtent.blockCount, |
| 256 |
|
|
mdb.drAlblkSz); |
| 257 |
|
|
return tryBootHFSPlus(aDevice, aDeviceBlocksize, start+mdb.drEmbedExtent.startBlock*mdb.drAlblkSz, partEnt); |
| 258 |
|
|
} else { |
| 259 |
|
|
IO_PROM_FS_TRACE("contains HFS volume\n"); |
| 260 |
|
|
return doTryBootHFS(mdb, aDevice, aDeviceBlocksize, start, partEnt); |
| 261 |
|
|
} |
| 262 |
|
|
} |
| 263 |
|
|
} |
| 264 |
|
|
return false; |
| 265 |
|
|
} |
| 266 |
|
|
|
| 267 |
|
|
struct HFSInstantiateBootFilePrivData { |
| 268 |
|
|
int mPartNum; |
| 269 |
|
|
}; |
| 270 |
|
|
|
| 271 |
|
|
static File *HFSInstantiateBootFile(File *aDevice, void *priv) |
| 272 |
|
|
{ |
| 273 |
|
|
HFSInstantiateBootFilePrivData *p = (HFSInstantiateBootFilePrivData*)priv; |
| 274 |
|
|
HFSFileSystem *fs = new HFSFileSystem(aDevice, p->mPartNum); |
| 275 |
|
|
File *f = fs->openBootFile(); |
| 276 |
|
|
if (!f) delete fs; |
| 277 |
|
|
return f; |
| 278 |
|
|
} |
| 279 |
|
|
|
| 280 |
|
|
static FileSystem *HFSInstantiateFileSystem(File *aDevice, int partnum) |
| 281 |
|
|
{ |
| 282 |
|
|
return new HFSFileSystem(aDevice, partnum); |
| 283 |
|
|
} |
| 284 |
|
|
|
| 285 |
|
|
static bool doTryBootHFS(const HFSMDB &mdb, File *aDevice, uint aDeviceBlocksize, FileOfs start, PartitionEntry *partEnt) |
| 286 |
|
|
{ |
| 287 |
|
|
if (partEnt->mPartNum <= 0) return false; |
| 288 |
|
|
hfs_devicehandle_s dh; |
| 289 |
|
|
dh.mDevice = aDevice; |
| 290 |
|
|
dh.mStart = 0; |
| 291 |
|
|
hfsvol *vol = hfs_mount(&dh, partEnt->mPartNum-1, HFS_MODE_RDONLY); |
| 292 |
|
|
if (vol) { |
| 293 |
|
|
hfs_umount(vol); |
| 294 |
|
|
HFSInstantiateBootFilePrivData *priv = (HFSInstantiateBootFilePrivData*) |
| 295 |
|
|
malloc(sizeof (HFSInstantiateBootFilePrivData)); |
| 296 |
|
|
priv->mPartNum = partEnt->mPartNum; |
| 297 |
|
|
partEnt->mInstantiateBootFilePrivData = priv; |
| 298 |
|
|
partEnt->mInstantiateBootFile = HFSInstantiateBootFile; |
| 299 |
|
|
partEnt->mInstantiateFileSystem = HFSInstantiateFileSystem; |
| 300 |
|
|
partEnt->mBootMethod = BM_chrp; |
| 301 |
|
|
return true; |
| 302 |
|
|
} else IO_PROM_FS_TRACE("couldn't mount HFS partition.\n"); |
| 303 |
|
|
return false; |
| 304 |
|
|
} |
| 305 |
|
|
|
| 306 |
|
|
/***/ |
| 307 |
|
|
class HFSFile: public File { |
| 308 |
|
|
protected: |
| 309 |
|
|
hfsfile * mFile; |
| 310 |
|
|
FileOfs mCurOfs; |
| 311 |
|
|
FileSystem * mFS; |
| 312 |
|
|
bool mOwnFS; |
| 313 |
|
|
public: |
| 314 |
|
|
|
| 315 |
|
|
HFSFile(hfsfile *file, FileSystem *fs, bool own_fs) |
| 316 |
|
|
{ |
| 317 |
|
|
mFile = file; |
| 318 |
|
|
mCurOfs = 0; |
| 319 |
|
|
mFS = fs; |
| 320 |
|
|
mOwnFS = own_fs; |
| 321 |
|
|
} |
| 322 |
|
|
|
| 323 |
|
|
virtual ~HFSFile() |
| 324 |
|
|
{ |
| 325 |
|
|
hfs_close(mFile); |
| 326 |
|
|
if (mOwnFS) delete mFS; |
| 327 |
|
|
} |
| 328 |
|
|
|
| 329 |
|
|
virtual FileOfs getSize() const |
| 330 |
|
|
{ |
| 331 |
|
|
return mFile->cat.u.fil.filLgLen; |
| 332 |
|
|
} |
| 333 |
|
|
|
| 334 |
|
|
virtual uint read(void *buf, uint size) |
| 335 |
|
|
{ |
| 336 |
|
|
uint r = hfs_read(mFile, buf, size); |
| 337 |
|
|
mCurOfs += r; |
| 338 |
|
|
return r; |
| 339 |
|
|
} |
| 340 |
|
|
|
| 341 |
|
|
virtual void seek(FileOfs offset) |
| 342 |
|
|
{ |
| 343 |
|
|
hfs_seek(mFile, offset, HFS_SEEK_SET); |
| 344 |
|
|
mCurOfs = offset; |
| 345 |
|
|
} |
| 346 |
|
|
|
| 347 |
|
|
virtual FileOfs tell() const |
| 348 |
|
|
{ |
| 349 |
|
|
return mCurOfs; |
| 350 |
|
|
} |
| 351 |
|
|
|
| 352 |
|
|
}; |
| 353 |
|
|
|
| 354 |
|
|
/***/ |
| 355 |
|
|
HFSFileSystem::HFSFileSystem(File *device, int partnum) |
| 356 |
|
|
: FileSystem(device) |
| 357 |
|
|
{ |
| 358 |
|
|
dh.mDevice = mDevice; |
| 359 |
|
|
dh.mStart = 0; |
| 360 |
|
|
hfshandle = hfs_mount(&dh, partnum-1, HFS_MODE_RDONLY); |
| 361 |
|
|
if (!hfshandle) throw MsgException("couldn't mount HFS file system"); |
| 362 |
|
|
} |
| 363 |
|
|
|
| 364 |
|
|
HFSFileSystem::~HFSFileSystem() |
| 365 |
|
|
{ |
| 366 |
|
|
hfs_umount((hfsvol*)hfshandle); |
| 367 |
|
|
} |
| 368 |
|
|
|
| 369 |
|
|
File *HFSFileSystem::open(const String &filename) |
| 370 |
|
|
{ |
| 371 |
|
|
hfsfile *f = hfs_open((hfsvol*)hfshandle, filename.contentChar()); |
| 372 |
|
|
if (!f) return NULL; |
| 373 |
|
|
return new HFSFile(f, this, false); |
| 374 |
|
|
} |
| 375 |
|
|
|
| 376 |
|
|
// WARNING: on success this will bind this filesystem to the file (mOwnFS) |
| 377 |
|
|
File *HFSFileSystem::openBootFile() |
| 378 |
|
|
{ |
| 379 |
|
|
hfsvol *vol = (hfsvol*)hfshandle; |
| 380 |
|
|
uint startupFolderID = vol->mdb.drFndrInfo[0]; |
| 381 |
|
|
hfsdir *dir = hfs_opendir_by_id(vol, startupFolderID); |
| 382 |
|
|
if (!dir) { |
| 383 |
|
|
IO_PROM_FS_TRACE("couldn't get Startup Folder of HFS partition.\n"); |
| 384 |
|
|
return NULL; |
| 385 |
|
|
} |
| 386 |
|
|
hfsdirent dirent; |
| 387 |
|
|
while (hfs_readdir(dir, &dirent) == 0) { |
| 388 |
|
|
// IO_PROM_FS_TRACE("%-4s %08x %s\n", dirent.u.file.type, dirent.cnid, dirent.name); |
| 389 |
|
|
if (strcmp(dirent.u.file.type, "tbxi") == 0) { |
| 390 |
|
|
hfsfile *file = hfs_open_by_dirent(vol, &dirent); |
| 391 |
|
|
if (file) { |
| 392 |
|
|
/* IO_PROM_FS_TRACE("got Startup FILE!\n"); |
| 393 |
|
|
char buf[32]; |
| 394 |
|
|
hfs_read(file, buf, 32); |
| 395 |
|
|
buf[31] = 0; |
| 396 |
|
|
IO_PROM_FS_TRACE("%s\n", buf);*/ |
| 397 |
|
|
return new HFSFile(file, this, true); |
| 398 |
|
|
} |
| 399 |
|
|
} |
| 400 |
|
|
} |
| 401 |
|
|
IO_PROM_FS_TRACE("couldn't find a Startup File in the Startup Folder of the HFS partition.\n"); |
| 402 |
|
|
return NULL; |
| 403 |
|
|
} |
| 404 |
|
|
|
| 405 |
|
|
bool HFSFileSystem::getBlessedPath(String &blessed) |
| 406 |
|
|
{ |
| 407 |
|
|
hfsvol *vol = (hfsvol*)hfshandle; |
| 408 |
|
|
uint startupFolderID = vol->mdb.drFndrInfo[0]; |
| 409 |
|
|
uint id = startupFolderID; |
| 410 |
|
|
uint maxit = 200; |
| 411 |
|
|
blessed.assign("/"); |
| 412 |
|
|
while ((id != HFS_CNID_ROOTDIR) && maxit--) { |
| 413 |
|
|
CatDataRec dthd; |
| 414 |
|
|
if (v_getdthread(vol, id, &dthd, NULL) <= 0) return false; |
| 415 |
|
|
String p(dthd.u.dthd.thdCName); |
| 416 |
|
|
blessed.prepend(p); |
| 417 |
|
|
blessed.prepend("/"); |
| 418 |
|
|
id = dthd.u.dthd.thdParID; |
| 419 |
|
|
} |
| 420 |
|
|
return (id == HFS_CNID_ROOTDIR); |
| 421 |
|
|
} |
Parent Directory
| 
Revision Log