/title/00000001/00000002/data/cache.dat: Difference between revisions
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nfoz from disassembling system menu |
I would not be offended if someone wanted to tidy this up a bit ;) |
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| Line 3: | Line 3: | ||
It caches: | It caches: | ||
* Drive info (?) 0x20 bytes | * Drive info (?) 0x20 bytes | ||
* Disk ID 0x20 bytes | 0000000: 0000 0002 2007 0213 4100 0000 0000 0000 .... ...A....... | ||
* "Game TOC" 0x20 bytes | 0000010: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | ||
* "Partition info" (variable | * Disk ID (and magic) 0x20 bytes | ||
* "Boot info 3" (?) 0x2000 bytes | 0000020: 3435 3845 3031 0000 0000 0000 0000 0000 458E01.......... | ||
* | 0000030: 0000 0000 0000 0000 5d1c 9ea3 0000 0000 ........]....... | ||
* "Game TOC" 0x20 bytes -- number of partitions, offset to partition map | |||
0000040: 0000 0002 0001 0008 0000 0000 0000 0000 ................ | |||
0000050: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | |||
* "Partition info" (variable, padded to 0x20 bytes?) | |||
0000060: 0001 4000 0000 0001 03e0 0000 0000 0000 ..@............. | |||
0000070: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | |||
The rest of the offsets may be shifted based on the size of the partition info. | |||
* "Boot info 3" (?) 0x2000 bytes -- region age limits, magic? | |||
0000080: 0000 0001 0000 0000 0000 0000 0000 0000 ................ | |||
0000090: 8003 8080 8080 8080 8080 8080 8080 8080 ................ | |||
00000a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | |||
* | |||
0002070: 0000 0000 0000 0000 0000 0000 c3f8 1a8e ................ | |||
* Disc TMD, 0x4A00 bytes | |||
0002080: 0001 0001 abe0 7836 4d1e 991f 3672 3e78 ......x6M...6r>x | |||
0002090: 703a b607 0136 8248 769f d033 479e 9b6a p:...6.Hv..3G..j | |||
[...] | |||
* "Apploader header" 0x20 bytes | * "Apploader header" 0x20 bytes | ||
0006a80: 3230 3038 2f30 322f 3239 0000 0000 0000 2008/02/29...... | |||
0006a90: 8120 0294 0000 1b3c 0003 9ca0 0000 0000 . .....<........ | |||
* Apploader (variable) | * Apploader (variable) | ||
* "Apploader load" (? -- presumably the DOL) | * "Apploader load" (? -- presumably the DOL) | ||
** Header? | |||
00085e0: 0000 f740 0005 cb40 0000 0020 0000 0020 ...@...@... ... | |||
00085f0: 803f ff80 0005 e000 3fd9 1ff8 0000 0000 .?......?....... | |||
0008600: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | |||
0008610: 0000 0000 0000 0000 0000 0000 0000 0001 ................ | |||
0008620: 0000 0000 0000 0000 0000 0000 0000 0000 ................ | |||
0008630: 0000 0000 0000 0000 0000 0000 0000 0001 ................ | |||
0008640: 0000 0001 0000 0005 0000 0000 0400 0000 ................ | |||
** DOL | |||
000a620: 0000 0100 0000 25e0 0000 0000 0000 0000 ......%......... | |||
000a630: 0000 0000 0000 0000 0000 0000 000f 2360 ..............#` | |||
000a640: 000f 2720 000f 2ce0 000f 2d00 000f 2d20 ..' ..,...-...- | |||
[...] | |||
* FST? | |||
* Banner (variable) | * Banner (variable) | ||
The rest of the data in the cache file is garbage; the filesize is always 11534336 bytes, and old data will stay in the cache until it is overwritten. | |||
Revision as of 22:45, 18 May 2010
The cache.dat file holds certain data from the last run disc on the Wii to speed up running it again.
It caches:
- Drive info (?) 0x20 bytes
0000000: 0000 0002 2007 0213 4100 0000 0000 0000 .... ...A....... 0000010: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- Disk ID (and magic) 0x20 bytes
0000020: 3435 3845 3031 0000 0000 0000 0000 0000 458E01.......... 0000030: 0000 0000 0000 0000 5d1c 9ea3 0000 0000 ........].......
- "Game TOC" 0x20 bytes -- number of partitions, offset to partition map
0000040: 0000 0002 0001 0008 0000 0000 0000 0000 ................ 0000050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- "Partition info" (variable, padded to 0x20 bytes?)
0000060: 0001 4000 0000 0001 03e0 0000 0000 0000 ..@............. 0000070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
The rest of the offsets may be shifted based on the size of the partition info.
- "Boot info 3" (?) 0x2000 bytes -- region age limits, magic?
0000080: 0000 0001 0000 0000 0000 0000 0000 0000 ................ 0000090: 8003 8080 8080 8080 8080 8080 8080 8080 ................ 00000a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ * 0002070: 0000 0000 0000 0000 0000 0000 c3f8 1a8e ................
- Disc TMD, 0x4A00 bytes
0002080: 0001 0001 abe0 7836 4d1e 991f 3672 3e78 ......x6M...6r>x 0002090: 703a b607 0136 8248 769f d033 479e 9b6a p:...6.Hv..3G..j [...]
- "Apploader header" 0x20 bytes
0006a80: 3230 3038 2f30 322f 3239 0000 0000 0000 2008/02/29...... 0006a90: 8120 0294 0000 1b3c 0003 9ca0 0000 0000 . .....<........
- Apploader (variable)
- "Apploader load" (? -- presumably the DOL)
- Header?
00085e0: 0000 f740 0005 cb40 0000 0020 0000 0020 ...@...@... ... 00085f0: 803f ff80 0005 e000 3fd9 1ff8 0000 0000 .?......?....... 0008600: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0008610: 0000 0000 0000 0000 0000 0000 0000 0001 ................ 0008620: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0008630: 0000 0000 0000 0000 0000 0000 0000 0001 ................ 0008640: 0000 0001 0000 0005 0000 0000 0400 0000 ................
- DOL
000a620: 0000 0100 0000 25e0 0000 0000 0000 0000 ......%......... 000a630: 0000 0000 0000 0000 0000 0000 000f 2360 ..............#` 000a640: 000f 2720 000f 2ce0 000f 2d00 000f 2d20 ..' ..,...-...- [...]
- FST?
- Banner (variable)
The rest of the data in the cache file is garbage; the filesize is always 11534336 bytes, and old data will stay in the cache until it is overwritten.