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PSGroove Modified for PS3 Backups Without a Disc in the Drive!


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198w ago - Today Spanish PS3 developer Hermes at Elotrolado.net (linked above) has shared a modified payload version of PSGroove, which allows users to run PS3 backups without requiring a disc in the PlayStation 3 drive.

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To quote, roughly translated: Taking advantage that I have my AT90USBKEY, I used the disassembly of the payload (made by me), the descriptions in ps3wiki.lan.st and part of AerialX source, with the following objective:

1) Have a damn once the source of the exploit, with amendments, etc, enough is enough for us to pass an array and pulling miles.

2) I used to make some changes, with a very interesting result.

The first thing to tell, is that the payload is loaded into a memory area (700 000) and ends up turning part of your code into an area that is too full. Just add four things we can and in fact, for my change I had to relocate a table with patches (do not think you are having problems in the position you are).

The second is that I managed to enable loading of backups with the amendment introduced AerialX by his side, in order to launch applications from a flash drive (HDD) attached on / dev_usb000 (of the four ports, which is more to the right, in my case). My directly AerialX code did not work and removed much of what makes this load backups.

The fact is that you can put in root folder PS3_GAME with the appropriate structure (see the readme.txt of the package) to launch a EBOOT.BIN selecting the menu "/ app_home/PS3_GAME"

But it is not here: thinking that this could throw the EBOOT.BIN of a game, I thought about making a communication, so that by granting syscall36 (or directly, as I saw it), could "see" the game to launch in "/ apps_home/PS3_GAME" when no disc.

Surprisingly, it works. I do not know if there are games that are problems or not, but I've tried, they all without having to have the disc.

The problem is that the original manager asks you to drive before launching game balls, but the manager does not have to do anything that can run games, except set the path of the game by syscall 36.

In doing so, memory is allocated to a pointer, which is what I use to switch between "/ apps_home/PS3_GAME" to launch an application without installing the console (same in development) or redirect the game to run.

This is a string of code development and here I'll upload the full psgroove with lufalib and my modifications, the source of the payload is ready to compile. If you are a using a PIC, you just have to change the payload (replacing the array of payload. H that is generated when compiling and also provide) and have no space problems, or anything else, because it takes what same

Short Summary

If you have not understood a word, this is a thread of development which is offered as a heading, the code that makes the "magic" disassembled and modified to provide a way to run homebrew without installing the console and on the other hand, load your backups using that trick, they do not need a disc in (the bad is that it requires a new manager or patch the old hard not to ask to leave).



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Comments 224 Comments - Go to Forum Thread »

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farenheit's Avatar
#184 - farenheit - 198w ago
Still waiting for one for the ATAVRUSBRF01, with at90usb162 MCU and 16MHz clock

j3edi's Avatar
#183 - j3edi - 198w ago
getting my minimus tomorrow so will be giving this a go. 2 questions:

1) It looks like the teensy1.0 hex is the one i will need. Can anybody confirm this?

2) Is the file manager program able to move/rename the game folders on an external drive? This would allow the game to be changed without connecting the drive to a computer to move folders around.
q1= yes the teensy 1.0 hex is the one you need also download flip 3.4.2 to flash.

q2= i think so can someone confirm should be able to over ftp ???

JonahUK's Avatar
#182 - JonahUK - 198w ago
You can do this yourself, actually. It only take a couple minutes. You just need Linux (Ubuntu Live CD is fine).

1) gunzip android.img.gz
2) mount android.img
3) update payload.bin
4) unmount
5) gzip
6) copy back to ipod 1g
7) chmod 777
8) enjoy

This can only be done if the payload exists, which (at the moment) it doesn't.
The only bins that are available are:-

No Backups (payload_no_bdemu.bin)
Backups (payload_bdemu.bin)
No Backups Peek/Poke (payload_dev_no_bdemu.bin)
Backups Peek/Poke (payload_dev_bdemu.bin)

Until somebody makes/compiles a new bin to incorporate this, iphone users will have to wait (which includes me!)

KickYoAss's Avatar
#181 - KickYoAss - 198w ago
So with the no disc version, we can only launch one game? So in the regular BUM we have a list of titles, but with the no disc version you only see one title? Is that correct?
Yes, for now. I'm sure that, at some point, there will be a new type of manager where, from the xmb you can choose the game you'd like to play; then select it, and play just like when the backup manager kicks you back to the xmb. I'm not sure how well the whole xmb is understood yet, but hopefully, in the near future, when you go to your games menu, all games you have on either internal, or external hard drive(s) will be populated with icons/game animation just like an original game. I'm not getting my hopes up, but there WILL be improvement. This is just one of many steps. Patience is a great virtue.

Transient's Avatar
#180 - Transient - 198w ago
is there any chance whatsoever of this being ported to the ipod 1g at all with psfreedom? is it a feasible option? or will it likely not happen? (got 3.41 ps3 but drive packed up so if it was able to work with ipod i'd be in heaven )

great work peeps and loving the progress!
You can do this yourself, actually. It only take a couple minutes. You just need Linux (Ubuntu Live CD is fine).

1) gunzip android.img.gz
2) mount android.img
3) update payload.bin
4) unmount
5) gzip
6) copy back to ipod 1g
7) chmod 777
8) enjoy

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