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==== kakaroto's sigcheck patch ====
==== kakaroto's sigcheck patch ====
In memory 0x800000000005A2A8 (which corresponds to offset 0x6a2a8 in lv2_kernel.elf) replace : "e9 22 99 90 7c 08 02 a6"
In memory 0x800000000005A2A8 (which corresponds to offset 0x6a2a8 in lv2_kernel.elf) replace : "e9 22 99 90 7c 08 02 a6"
with : "38 60 00 00 4e 80 00 20".<br />(Source: https://twitter.com/KaKaRoToKS/status/260742786972798977
with : "38 60 00 00 4e 80 00 20".<br />(Source: https://twitter.com/KaKaRoToKS/status/260742786972798977)
<br>Pastie webarchive backup: http://web.archive.org/web/20141024180714/http://pastie.org/private/3np6uj6md1occbctdeir6a)
 


== disable epilepsy message ==
== disable epilepsy message ==
Line 484: Line 484:
*Note : A patch to ignore LIC.DAT to prevent random freezing from launching homebrew
*Note : A patch to ignore LIC.DAT to prevent random freezing from launching homebrew
*Found by dean many thanks to him :)
*Found by dean many thanks to him :)
===RIF R and S must not be 0 (4.84/4.85)===
:<b>Allow</b>: RIF's with R and S 0 filled(reactpsn patches allow invalid signature like 1 but it must be filled). Useful for HEN because its previous revisions skipped them
seg001:00252020                li        r3, 0
seg001:00252024                blr
=== Make VSH Attachable (Debug LV2)  ===


== 4.75+ patches ==
== 4.75+ patches ==


===PSP DRM fix (4.75/4.76)===
===PSP DRM fix (4.75/4.76)===
:<b>Allow</b>: unsigned PSP packages(aka type free without license) , a.k.a. '''80029537''' error fix
:<b>Allow</b>: unsigned PSP packages , a.k.a. '''80029537''' error fix


  < 7FE307B4 EB8101E0EBA101E8 7C0803A6
  < 7FE307B4 EB8101E0EBA101E8 7C0803A6
Line 511: Line 502:
*Thanks to habib who did awesome job on reversing :)
*Thanks to habib who did awesome job on reversing :)


=== Make EVERYTHING Attachable (Debug LV2)  ===
< 40 9E FF C8 4B FF FF C8 E9 22 80 08 7C 08 02 A6
> 40 9E FF C8 4B FF FF C8 38 60 00 01 4E 80 00 20
<pre>
patches lv2::access_control_engine::is_debuggable to always return true.
</pre>
== 4.82 lv2ldr.elf Disable ECDSA Checks ==


;Part 1:
Offset | Original Hex Value:
<pre>
000022B0 | 3F E1 12 85 18 01 42 06 33 04 99 00 21 00 0F 83
</pre>
Offset | Replace Hex Value:
<pre>
000022B0 | 3F E1 12 85 18 01 42 06 40 80 00 03 21 00 0F 83
</pre>
;Part 2:
Offset | Original Hex Value:
<pre>
00002AA0 | 33 03 9C 00 21 00 33 03 04 00 28 84 3F E0 2D 05
</pre>
Offset | Replace Hex Value:
<pre>
00002AA0 | 40 80 00 03 21 00 33 03 04 00 28 84 3F E0 2D 05
</pre>


{{Custom Firmware}}
{{System Firmware}}<noinclude>[[Category:Main]]</noinclude>
<noinclude>[[Category:Main]]</noinclude>
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