Editing PS3Cobra Payload Reverse Engineering

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In case you wanted a simple guide howto run Cobra without a dongle, look here: http://www.ps3hax.net/showthread.php?t=67286
[[Category:Software]][[Category:Hardware]]
 
{{Wikify}}
 
=Description=
=Description=
Dongle is DRM to make sure you have the dongle, the firmware 'special' functionality will not work without it. <br />
Dongle is DRM to make sure you have the dongle, the firmware 'special' functionality will not work without it. <br />
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| 25EC18 || bl      sub_12934        || bl      sub_500960 ||                    ||
| 25EC18 || bl      sub_12934        || bl      sub_500960 ||                    ||
|-
|-
| 271AF0 || stdu    %sp, var_B0(%sp) || b      loc_500808 || b      loc_500818 || (syscall864 / sys storage manager) <s>Again, wrong here, loc_500808 is a bad jump.</s><br>this is 1.2!
| 271AF0 || stdu    %sp, var_B0(%sp) || b      loc_500808 || b      loc_500818 || (syscall864) <s>Again, wrong here, loc_500808 is a bad jump.</s><br>this is 1.2!
|-
|-
| 273F80 || stdu    %sp, var_B0(%sp) || b      sub_500878 || b      sub_500990 || (syscall867 / aim manager )<s>you have a critical mistake, sub_500878 IS WRONG, :), if you jump here you crash your lv2</s><br> YOUR CRITICAL MISTAKE WAS ONLY PUT 1.2, NOW YOU FIX IT, THANKS<br>didn't meant to be rude, sry :)
| 273F80 || stdu    %sp, var_B0(%sp) || b      sub_500878 || b      sub_500990 || (syscall867)<s>you have a critical mistake, sub_500878 IS WRONG, :), if you jump here you crash your lv2</s><br> YOUR CRITICAL MISTAKE WAS ONLY PUT 1.2, NOW YOU FIX IT, THANKS<br>didn't meant to be rude, sry :)
|-
|-
| 29245C || stdu    %sp, var_100(%sp)|| b      sub_5005A8 ||                  ||
| 29245C || stdu    %sp, var_100(%sp)|| b      sub_5005A8 ||                  ||
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| 293A18 || ld      %r9, stru_3403A0 || b      sub_500540 ||                  ||
| 293A18 || ld      %r9, stru_3403A0 || b      sub_500540 ||                  ||
|-
|-
| 296550 || stdu    %sp, var_D0(%sp) || b      sub_500640 ||                  ||(syscall606 sys_storage_async_read)
| 296550 || stdu    %sp, var_D0(%sp) || b      sub_500640 ||                  ||(syscall606)
|-
|-
| 296928 || stdu    %sp, var_D0(%sp) || b      sub_500770 ||                  ||(syscall619 sys_storage_async_send_device_command)
| 296928 || stdu    %sp, var_D0(%sp) || b      sub_500770 ||                  ||(syscall619)
|-
|-
| 29BD48 || b      sub_11850 || b      sub_500358 ||                        ||
| 29BD48 || b      sub_11850 || b      sub_500358 ||                        ||
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Extern (PS1):
Extern (PS1):
* ''/dev_usb/PSXISO''
* ''/dev_usb/PSXISO''
</td></tr>
<tr><td with="50%">
Intern (PSP):
* ''/dev_hdd0/PSPISO''
</td><td with="50%">
Extern (PSP):
* ''/dev_usb/PSPISO''
</td></tr>
</td></tr>
<tr><td with="50%">
<tr><td with="50%">
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Datasheets and usermanuals: http://www.actel.com/products/pa3/docs.aspx#ds <br />
Datasheets and usermanuals: http://www.actel.com/products/pa3/docs.aspx#ds <br />
Familyroot: http://www.actel.com/products/pa3/ <br />
Familyroot: http://www.actel.com/products/pa3/ <br />
Usage Guide: http://www.embedtools.com/pro_kaifa/SOPC_%20EDA/ProASIC3/PA3_E_IO_AN.pdf


===== Pinout A3P060 VQ100 =====
===== Pinout A3P060 VQ100 =====
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==== 12.000 MHz Crystal ====
==== 12.000 MHz Crystal ====
Y2 <br />
Y2? <br />
SCK/CLK for Atmel/Winbond <br />
CLK for Atmel <br />


==== AMS1117 3.3 1032 - Low Dropout Linear Regulator ====
==== AMS1117 3.3 1032 - Low Dropout Linear Regulator ====
U3 <br />
U3 <br />
Datasheet:  
Datasheet: http://www.sltdigital.com/product/product_pdf/AMS1117.pdf / http://home1.cyber-labo.co.jp/board/goods/pdf/AMS1117.pdf <br />
* https://web.archive.org/web/*/http://ps3devwiki.com/files/reDRM/TrueBlue/Datasheets/AMS1117-.pdf
[[:File:AMS1117 - SOT-223.png]]<br />
* https://web.archive.org/web/*/http://ps3devwiki.com/files/reDRM/TrueBlue/Datasheets/AMS1117.pdf<!--// http://www.sltdigital.com/product/product_pdf/AMS1117.pdf / http://home1.cyber-labo.co.jp/board/goods/pdf/AMS1117.pdf //--> <br />
<gallery>File:AMS1117 - SOT-223.png</gallery>


====  A 47 (F51C 5pin Multilayer Ceramic Capacitor : U4) ====
====  A 47 (unreferenced 5pin IC : U4) ====
<div style="float:right">[[File:SOT5.PNG|200px|Thumb|Left|F51C 5pin Multilayer Ceramic Capacitor]]<br /></div>
U4 <br />
<div style="height:300px; overflow:auto">
A 47 <!--// 51c or s1c ? - hard to see without magnifier //--> <br />
Capacitance value untested, likely one of these ([http://www.mouser.com/Passive-Components/Capacitors/_/N-5g7r?P=1z0z7ym&Keyword=f51C&Ns=Pricing|0&FS=True from Mouser]) <!--// F51C -- verified with magnifier //-->  
[[:File:SOT5.PNG]]<br />
</div>
<br />


==== Atmel ATmega 16A (16MHz AVR - 16KB flash - USB stack + DFU) ====
==== Atmel ATmega 16A (16MHz AVR - 16KB flash - USB stack + DFU) ====
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| 1 || (MOSI) PB5 || Tied to DI (Pin 5) on the Winbond Flash
| 1 || (MOSI) PB5 || Tied to DI (Pin 5) on the Winbond Flash
|-
|-
| 2 || (MISO) PB6 || Tied to DO (Pin 2) on the Winbond Flash
| 2 || (MISO) PB6 ||  
|-
|-
| 3 || (SCK) PB7 || Provides CLK to The Winbond Flash
| 3 || (SCK) PB7 || Provides CLK to The Winbond Flash
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| 6 || GND ||  
| 6 || GND ||  
|-
|-
| 7 || XTAL2 || Y2
| 7 || XTAL2 ||  
|-
|-
| 8 || XTAL1 || Y2
| 8 || XTAL1 ||  
|-
|-
| 9 || (RXD) PD0 || Actel IO92RSB2 (pin 30)
| 9 || (RXD) PD0 ||  
|-
|-
| 10 || (TXD) PD1 || Actel IO92RSB2 (pin 29)
| 10 || (TXD) PD1 ||  
|-
|-
| 11 || (INT0) PD2 ||  
| 11 || (INT0) PD2 ||  
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On the Cobra Dongle, pin 3 of the EEPROM is tied to VCC. Lifting this Pin from the board and tieing it to ground '''should''' prevent the flash from being erased.
On the Cobra Dongle, pin 3 of the EEPROM is tied to VCC. Lifting this Pin from the board and tieing it to ground '''should''' prevent the flash from being erased.
=====Roles=====
Drives data to and from the Winbond flash chip.


====Cobra Test Points====
====Cobra Test Points====
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| 2 || PC/PS3 Position|| AVCC (atmega 27) + Winbond /WP (PIN 3) || Ties to Pin 27 of atmega16 (AVCC) and /WP of Winbond Flash
| 2 || PC/PS3 Position|| AVCC (atmega 27) + Winbond /WP (PIN 3) || Ties to Pin 27 of atmega16 (AVCC) and /WP of Winbond Flash
|-
|-
| 3 || PS3/DG Position|| TOSC2 of the Atmega (Pin 26)|| ???
| 3 || PS3/DG Position|| ??? || ???
|-
|-
| 4 || DG Position|| GND || A resistor is placed, by hand, between this pin and GND after the board is manufactured.
| 4 || DG Position|| GND || A resistor is placed, by hand, between this pin and GND after the board is manufactured.
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When in PC Mode, Pins 1 and 2 are shorted. When in PS3 Mode, Pins 2 and 3 are shorted. When in DG Mode 3 and 4 are shorted.
When in PC Mode, Pins 1 and 2 are shorted. When in PS3 Mode, Pins 2 and 3 are shorted. When in DG Mode 3 and 4 are shorted.
{{Reverse engineering}}<noinclude>[[Category:Main]]</noinclude>
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