Homebrew Enabler RevC For PSP 2.71 Firmware
Homebrew Enabler RevC
For PSP 2.71 Firmware
– Revision C (29 september):
* User mode static ELF’s are now starting to work.
Tested with SNES TYL 0.3 (user mode version), PSPMaster and CPS2PSP 1.0 (user mode version).
Kernel mode static elf’s are still not supported, they are a very odd case in 1.XX of kernel
code loaded to user memory.
Kernel Homebrew for 2.71 has to be written with a user main elf/prx that load kernel prx’s.
Note that the homebrew must be in a true pbp, not kxploited!.
* User mode prx’s could load other user mode prx’s, but kernel mode prx’s couldn’t load user mode
prx’s.
This is fixed.
* Patched the firmware to allow it to understand the old SFO format.
(avoiding the error of data is corrupted)
* Added a small win32 binary that will give you a hint about if a homebrew can work or not in
the current release. Note that this is only a hint.
UPDATE: Improved the binary loader (now it uses the one from TIFF SDK 1.1). Improved the binary loader of HEN revision B.. Now there should be less restarts .
– Revision B with better binary loader in the tiff (25 september)
* Changed the binary loader to use the one from tiffsdk 1.1 that has better stability.
No changes on the core.
This program enables homebrew to be run in 2.71 through the XMB. It makes a patch that remains permanent until hardware reset. Sleep mode won’t remove the patch.
Note: this program writes some small files in the flash, ONLY the first time is executed. IT does NOY rewrite any existing file in the system, it writes new files, so the probabilities of breaking are practically null.
It doesn’t work on DevHook, because the patch methods that it does interphere with DevHook. I may release in the future a special version for 2.71 DevHook that only does the extended patches for the kernel PRX loading. It would be added to the pspbtcnf* files, so no need for the TIFF when I port it to DevHook.
Update Instruction for people with revision A installed
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To update from HEN revision A to B, hard reset your psp (to make sure that hen is not running).
Then copy the new files to the memory stick and run the tif. The new files will be automatically
updated.
People without any version of hen installed, just follow the instructions below.
Instructions
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– Copy all contents inside MS_ROOT to the root of your memory stick.
– Go to the PHOTO viewer of the XMB and enter in the folder “HEN”.
– If the PSP just freeze, reboot your psp and try again. Currently the TIFF is very unstable and it
is only executed sometimes. I’ll try to improve that in the future.
– The first time you run the program, you will see quickly a blue screen, and after that a screen
that can be of two colors:
* Red: the files couldn’t be written to the flash (it hapens a few times). Just keep trying.
* Green: The files were written succesfully. After that, the xmb will be rebooted. Now you can run
the homebrew in format prepared for 2.71. (see details below).
– As mentioned before, the patch will remain resident in memory, and even entering sleep mode
won’t delete it. Only a hardware reset will remove the program from memory.
– When you do a hardware reset, you’ll have to run the TIFF again.
This time there won’t be green or red screen, just a blue screen and xmb reboot, since
this time there is no need to write to the flash.
Note: the files pspbtknf.txt, pspbtknf_game.txt, pspbtknf_updater, and systemctrl.prx in the root
of the memory stick are only needed the first time the program is executed. After that you
can delete those. However, don’t delete patch.bin, h.bin and the folder with the TIFF, since
you will need those the next time you do a hard reset and want to run the program again.
Note2: Once the program is loaded, it is independant of the memory stick contents. So you can
freely swap memory sticks.
Notes about homebrew running
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– Current homebrews are not supported. Since current homebrews are in static ELF format, they
won’t run (they are rejected by the 2.71 kernel). Homebrews for 2.71 have to be in PRX format.
Programmers see the programming notes.
In future versions i may patch the kernel to allow it to accept static ELF’s.
– There are some samples in the “GAME” directory, all of them ported from the psp sdk samples,
except the nanddumper written by me.
* polyphonic, psp sdk sample (user mode).
* cube, psp sdk sample (user mode). It shows a cube rotating.
* kdumper, psp sdk sample (kernel mode). It dumps kernel memory to the memory stick.
* ipldumper, psp sdk sample (kernel mode). It dumps the ipl to the memory stick.
* systemparam, psp sdk sample (user mode). It displays info about the system
* nanddumper, by me. (kernel mode). It dumps the full nand content to the file
“nandimage.flash” in the memory stick. The format of the dump is compliant with U.P. chip.
(It requires 33 MB of free space in the memory stick).