Psp: 2.71 Custom Firmware SE-B

This is a custom firmware that lets to have in a single flash the advantages of firmware 1.50 and
2.71 at the same time.

Homebrew can be run on both kernels, the 1.50 one and the 2.71 one, letting almost all current homebrew
to work on the 1.50 kernel, and 2.71 homebrew compatible with HEN C in the 2.71 kernel.

Note: the installer writes to FLASH0. I'm not responsable of any damage of what happens,
since this software is provided free and without warranty.
TA-082 users cannot use this because a 1.50 bootstrap is needed to boot the system patched.

At the moment, there is only installer for 1.50, although it could be easily ported to whatever
firmware with kernel access such as 2.60 and 2.71, but at the moment i prefer not to doing it to avoid
TA-082 using it and bricking their psp's.

Note that this package DOES NOT contain any illegal material. The user has to provide the 1.50 and
2.71 updaters pbp's to legally generate the DXAR file used for the flashing.

Using SE
--------

- SE runs all homebrew from the /PSP/GAM271 folder using the 2.71 kernel. The compatibility of
applications using the 2.71 kernel is the same as HEN-C since they both use the same core.
Homebrew here have to be NOT kxploited.

- To run applications with the 1.50 kernel, and have about 99% compatibility with current homebrew,
put those applications in the /PSP/GAME150 folder.
Homebrew here can be either kxploited or not.

Now the standard folder, /PSP/GAME can be configured in the recovery menu to either execute 1.50
homebrew or 2.71 one. (by default is set at 2.71 for compatibility with previous version)

- Native UMD emulation is now in the custom firmware. ISOS are shown under memory stick games.
Currently ISO and CSO are implemented, for technical reasons DAX is not implemented yet, but may
be done in the future. At the moment they require an umd to be inserted in order to be played, although
they show in the xmb without an umd.
Note that whenever you do an update to the ISO folder (add, delete, change files, first SE-B execution),
a little delay will ocurr when entering in memory stick games. While the ISO folder is not changed, this won't
happen.


Using recovery menu
-------------------

- To enter in recovery menu, press R when power on the psp.
The recovery mode lets to set options, and it lets to recover potential bricks, as soon as
the 1.50 bootstrap is intact.

- Toggle USB: It will enable/diable USB mass storage.

- Configuration. All setings are set to disabled by default.

* Skip SCE logo. If you enable this, you won't see that beautiful, (but sometimes annoying)
Sony Computer Entertainment logo when power on the psp (and in this way you also disable the autorun of
UMD).

* Hide corrupt icons. It will hide corrupt icons. Note that currently not all corrupt icons
are hidden but most of them. This setting can SLOW down the access to game menu if you have too many items.
This will be improved in the future, however the best way to hide corrupt icons is always to convert your kxploited
applications to a standard single PBP.

* Game folder homebrew. It will let you choose with which kernel, 1.50 or 2.71,
programs at /PSP/GAME will be executed.

* Autorun program at /PSP/GAME/BOOT/EBOOT.PBP. When enabled, it will run that program at startup.
Notice, that that program runs always in 1.50 kernel.

- Advanced. This setting shouldn't be touched by most users, since they are mainly for debugging purposes.
It lets to flash some NOT critical files to the flash from the directory ms0:/reflash.

- Advanced configuration (inside Advaned).

* Plain modules in UMD/ISO. By default it is disabled, because it was found that the patch to run
plain modules gave compatibility problems with some umd games. (error 0x8002012D).
You can always enable it if interested in running unsigned code in an iso.

* Execute boot.bin in UMD/ISO. If enabled, it will run BOOT.BIN instead of EBOOT.BIN. This option
has no sense if the plain modules one is not enabled.

- Run program at /PSP/GAME/RECOVERY/EBOOT.PBP. This is what currently enables to recover a
semi-bricked psp (e.g. the vsh doesn't show, but you can reach the recovery mode).
Despite being in the game folder, that program will be executed in 1.50 kernel, so if even 2.71
kernel is destroyed, that program can be run.

Because official SCE updaters don't work in that 1.50 kernel environment (because they need some vsh files
not available), i've included with this package a flasher that lets to flash any official update from
1.50-2.71 to your psp.
To use it, copy the files inside inside "flasher for recovery/RECOVERY" in /PSP/GAME/RECOVERY/
and the official SCE updater renamed as UPDATE.PBP in the same directory, and run the program
through the recovery option.

Another alternative for recovery is to reflash the own 2.71 SE-B.
To do this, copy the EBOOT.PBP of 271seflasher to /PSP/GAME/RECOVERY/EBOOT.PBP along with the
DATA.DXAR file, and run it through recovery.


DEVHOOK
-------

- Devhook for 1.50 can be run on GAME150 and devhook for 2.71 can be run on GAME folder.

- In devhook for 1.50 you cannot use the option of 1.50 flash if you are gonna reboot to XMB.

- When using devhook 0.46, DO NOT use the options for flashing things.

- In devhook for 2.71, the 2.71 flash mode didn't work because a special patch to the flash driver
is needed. I worked to fix this and the fix for it can be found in the "devhook271 flash fix" folder.
UPDATE: now the fix is updated, and it has the problem of the error 0x8002012D fixed.
More details there.

1.50 Compatibility
------------------

- Most of 1.50 homebrew work. There maybe some exceptions of few programs that interfere with
the reboot system of SE. These programs can be umdemulatorand daxziso, although i have not
tested them. They may not work at all or work in certain modes (direct load methods probably).
Programs that hacks the flash like xflash, pspset, sxt version changer, etc are not
recommended to be used here.

- Irshell shows as corrupted... this is an issue in 2.XX vsh's. They don't like irshell sfo
The solution to make it show (and work) is to apply the solution given by frmariam originally
for epsilon bios: ..

- It seems that original umdemulator also shows as corrupted.
Try changing the sfo and maybe also the icon to fix that.

- Since 1.50 kernel gets patched, it can support things that a normal 1.50 cannot do, such as loadexecuting
prx's, loading modules, signed or not, from ms and flash in user mode without previous patches,
loading real pbp's, etc

- Note with wifi: 1.50 kernel doesn't understand WPA. So if you have a connection with WPA, you cannot
magically use it in a 1.50 application. Use WEP or not protection, or wait to wifi applications to
be ported to 2.71 kernel.