Editing Talk:PlayStation archive (PSARC)
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==PSARC structure notes== | |||
Debian psarc Kplugin structure. From Manuel Stahl (thymythos) @ http://opendesktop.org/content/show.php/PSARC+file+header?content=162745 | |||
<?xml version="1.0" encoding="UTF-8"?> | |||
<data> | |||
<struct name="header"> | |||
<primitive name="magic" type="UInt32" /> | |||
<primitive name="version" type="UInt32" /> | |||
<primitive name="compression" type="UInt32" /> | |||
<primitive name="TOC length" type="UInt32" /> | |||
<primitive name="TOC entry size" type="UInt32" /> | |||
<primitive name="num_entries" type="UInt32" /> | |||
<primitive name="max block size" type="UInt32" /> | |||
<primitive name="archive flags" type="UInt32" /> | |||
<array name="TOC" length="num_entries"> | |||
<struct name="entry"> | |||
<array name="MD5" length="16"><primitive type="UInt8"/></array> | |||
<primitive name="zIndex" type="UInt32" /> | |||
<bitfield name="length" width="40" type="unsigned" /> | |||
<bitfield name="offset" width="40" type="unsigned" /> | |||
</struct> | |||
</array> | |||
<array name="block sizes" length="num_entries"> | |||
<bitfield name="size" width="16" type="unsigned" /><!-- only valid for "max block size" == 2^16 --> | |||
</array> | |||
</struct> | |||
</data> | |||
PSARC header example: | |||
'''Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F''' | |||
00000000 <span style="background:#ff6666;">50 53 41 52</span> <span style="background:#66ff66;">00 01 00 04</span> <span style="background:#ffff66;">7A 6C 69 62</span> <span style="background:#6666ff;">00 01 23 BA</span> PSAR....zlib..#º | |||
00000010 <span style="background:#dd00dd;">00 00 00 1E</span> <span style="background:#dddd00;">00 00 09 16</span> <span style="background:#dddddd;">00 01 00 00</span> <span style="background:#d0000d;">00 00 00 02</span> ................ | |||
{| class="wikitable" | |||
|- | |||
! Offset !! Size !! Name !! Example !! Value (conversion) !! Notes | |||
|- | |||
| style="background-color:#ff6666;" | 0x00 || style="background-color:#ff6666;" | 0x04 || '''magic''' || 50 53 41 52 || PSAR || '''P'''lay'''S'''tation '''Ar'''chive | |||
|- | |||
| style="background-color:#66ff66;" | 0x04 || style="background-color:#66ff66;" | 0x04 || '''version''' || 00 01 00 04 || v1.4 || First 2 bytes is the main version, next 2 bytes is the subversion and are processed separatedlly, so 0001.0004 is "translated" to 1.4 by the system | |||
|- | |||
| style="background-color:#ffff66;" | 0x08 || style="background-color:#ffff66;" | 0x04 || '''compression type''' || 7A 6C 69 62 || zlib || zlib (default) or lzma | |||
|- | |||
| style="background-color:#6666ff;" | 0x0C || style="background-color:#6666ff;" | 0x04 || '''table of content length''' || 00 01 23 BA || 0x123BA || | |||
|- | |||
| style="background-color:#dd00dd;" | 0x10 || style="background-color:#dd00dd;" | 0x04 || '''table of content entries size''' || 00 00 00 1E || 30 Bytes || Default is 30 bytes | |||
|- | |||
| style="background-color:#dddd00;" | 0x14 || style="background-color:#dddd00;" | 0x04 || '''number of entries''' || 00 00 09 16 || 1+2325 files || The filecount includes the "file path/names definitions" as an additionall file always placed at first position in the list and without an assigned ID | |||
|- | |||
| style="background-color:#dddddd;" | 0x18 || style="background-color:#dddddd;" | 0x04 || '''block size''' || 00 01 00 00 || 65536 Bytes || Default is 65536 Bytes | |||
|- | |||
| style="background-color:#d0000d;" | 0x1C || style="background-color:#d0000d;" | 0x04 || '''archive flags''' || 00 00 00 02 || 2 || Default is 2. Unknown yet but is a "bit value" so 2 is a single flag | |||
|} | |||