Editing SLB2

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== Structure ==
== SLB2 structure ==
 
[[File:PS4 SLB PUP container format - SKFU.png|thumb|PS4 SLB PUP container format - SKFU]]
[[File:PS4 SLB PUP container format - SKFU.png|thumb|PS4 SLB PUP container format - SKFU]]


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/* SLB2 structure is little endian */
/* SLB2 structure is little endian */
   
   
struct SceSlb2Entry {
struct slb2_entry {
uint32_t fileStartSector;
uint32_t block_offset;
uint32_t fileSizeInByte;
uint32_t file_size;
uint32_t reserved[2]; // padding for alignment
uint32_t alignment[2];
char    fileName[32];
char    file_name[32];
} __attribute__((packed));
} __attribute__((packed));
   
   
struct SceSlb2Header {
struct slb2_header {
uint32_t magic; // "SLB2"
uint32_t magic;
uint32_t version; // ex: 1
uint32_t version;
uint32_t flags; // ex: 0
uint32_t flags;
uint32_t entryNum;
uint32_t file_count;
uint32_t sizeInSector;
uint32_t block_count;
uint32_t reserved[3]; // padding for alignment
uint32_t unk[3];
struct SceSlb2Entry entryList[0];
struct slb2_entry entry_list[0];
} __attribute__((packed));
} __attribute__((packed));
</source>
</source>


== Unpacking ==
=== SLB2 files to play with ===
[[1.500.000]]:
* <span style="text-decoration: line-through;">http://www.mirrorcreator.com/files/056CKD7J/PS4UPDATE.PUP.rar_links</span>
* <span style="text-decoration: line-through;">https://mega.co.nz/#!WE8zUAyb!ZuZy5Vxrd4eCc4bTvFW_ZC7lu7Ub0tcdyE08xbJtrok (Main)</span>
* <span style="text-decoration: line-through;">https://mega.co.nz/#!GEdQkRRR!KSCLLQEGlWfQwsA3yBo3pkZqqqE6w-Jwk-5CvLd4GR0 (Recovery)</span>


[[1.501.000]]:
* <span style="text-decoration: line-through;">http://dus01.ps4.update.playstation.net/update/ps4/image/2013_1112/sys_df008b5601f4a214a3cc65030a02ac4a/PS4UPDATE.PUP?dest=us (Main)</span>
* <span style="text-decoration: line-through;">http://dus01.ps4.update.playstation.net/update/ps4/image/2013_1112/rec_cedada625478db608d5878c019454380/PS4UPDATE.PUP?dest=us (Recovery)</span>
=== Unpacking ===
* [https://web.archive.org/web/20141023113732/http://pastie.org/private/4wgojewhp2pq7declhkhw pupunpack.py] (flatz)
* [https://web.archive.org/web/20141023113732/http://pastie.org/private/4wgojewhp2pq7declhkhw pupunpack.py] (flatz)
* [http://www.eurasia.nu/modules.php?name=Downloads&d_op=viewdownloaddetails&lid=10234&ttitle=PS4_PUP_Extractor_v2 PS4 PUP Extractor v2] (xerpi)
* [http://www.eurasia.nu/modules.php?name=Downloads&d_op=viewdownloaddetails&lid=10234&ttitle=PS4_PUP_Extractor_v2 PS4 PUP Extractor v2] (xerpi)
* [https://streetskaterfu.blogspot.fr/2013/11/release-ps4-fw-tool-100.html PS4 FW Tool v1.0.0] (skfu)
* [https://streetskaterfu.blogspot.fr/2013/11/release-ps4-fw-tool-100.html PS4 FW Tool v1.0.0] (skfu)
* [https://github.com/Hykem/ps4tools ps4tools] (hykem, based on flatz)
* <span style="text-decoration: line-through;">https://github.com/Hykem/ps4tools (hykem, based on flatz)</span>
* [https://github.com/harlequin/ps4tools ps4tools] (harlequin, based on flatz and zecoxao)
* https://github.com/harlequin/ps4tools (harlequin, based on flatz and zecoxao)
* [https://github.com/nikosradio/ps4tools ps4tools] (nikosradio, based on flatz)
* https://github.com/nikosradio/ps4tools (nikosradio, based on flatz)
* [https://github.com/Keyaku/ps4tools ps4tools] (Keyaku, based on flatz)
* https://github.com/Keyaku/ps4tools (Keyaku, based on flatz)
* [https://github.com/Jakes625/PS4-PUP-Tool PS4-PUP-Tool] (Jakes625)
* https://github.com/Jakes625/PS4-PUP-Tool (Jakes625)
* [https://github.com/cfwprpht/PS4_AC1D_Flash-Tool PS4_AC1D_Flash-Tool] (cfwprpht)
* [https://github.com/cfwprpht/PS4_AC1D_Flash-Tool PS4_AC1D_Flash-Tool] (cfwprpht)
* [https://github.com/cfwprpht/Usefull_Libraries/blob/master/SLB2/SLB2/SLB2.cs SLB2 library] (cfwprpht)
* [https://github.com/cfwprpht/Usefull_Libraries/blob/master/SLB2/SLB2/SLB2.cs SLB2 library] (cfwprpht)
* [https://github.com/zecoxao/blsunpack blsunpack] (zecoxao)
* [https://github.com/zecoxao/blsunpack blsunpack] (zecoxao)
* [https://github.com/yifanlu/slb2tools slb2tools] (yifan lu)
== Usage ==


SLB2 files are parsed by many executables:
* PS4 [[Southbridge]] EMC IPL to extract C0028001 (EMC IPL) and C0020001 (EMC IPL information) from sflash0s0x32b (inactive partition).


== Other notes ==
It looks like newer (confirmed for OFW 7.55 and above) SLB2 files have some data between 0x200 and 0x270 which doesn't affect any unpacking tool but affects the unpacking on the PS4. The file gets recognised as corrupted if that data isn't there. This data is present in the `recovery` images but not in the `update` images.
-Other note
Newer updates seems to have  New data exactly before the start of the PS4UPDATE.PUP file
It has the same effect as the  one between 0x200 and 0x270
{{Software}}
{{Software}}
<noinclude>[[Category:Main]]</noinclude>
<noinclude>[[Category:Main]]</noinclude>
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