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Petitboot Bootloader (OS Selector) Updated for PS3 Linux


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288w ago - Petitboot is a graphical bootloader for the PlayStation 3. In 2007 the initial Petitboot Bootloader for PS3 was released.

In 2008 the [Register or Login to view links] Benjamin Herrenschmidt and Jeremy Kerr updated it to v0.2 (rename to otheros.bld to install) which is available here:

Download: [Register or Login to view links] / [Register or Login to view links]

Recently Sony's own PS3 Dev Geoffrey Levand has been updating it (linked above) further, with today's build available below:

Download: [Register or Login to view links]

Installing Petitboot
1. Put your otheros.bld file on to a USB disk, in a file called /PS3/otheros/otheros.bld. Assuming your USB disk is mounted at /media/usbdisk:

[jk@pokey ~]$ mkdir -p /media/usbdisk/PS3/otheros
[jk@pokey ~]$ cp otheros.bld /media/usbdisk/PS3/otheros/

If you don't have a USB disk, you can use any sort of media that the PS3 can read - CDROM, DVD, compact flash, etc. Just make sure that the file is called /PS3/otheros/otheros.bld.

2. Plug the USB disk into your PS3, and navigate to System -> System Settings -> Install Other OS. The PS3 should find the new file on the USB disk, and install it.

3. To boot with petitboot, just set your default operating system to "Other OS" (System -> System Settings -> Set Default OS), and reboot.

Using Petitboot
When petitboot starts, it will try to find existing Linux installations, by looking for /etc/kboot.conf, /etc/yaboot.conf or /boot/petitboot.conf files on any storage device connected to the system. Each discovered device will appear on the left-hand pane of the screen, and bootable options appear on the right.

You can navigate the boot options with the arrow keys (if you have a USB keyboard connected), or the D-Pad on the PS3 controller. If you're using a PS3 controller, you will need to have it connected via the cable; wireless controllers aren't supported (yet!).

If you only have a blank screen with no device icons, then petitboot has not found any bootable options. You can flip to a text console (using Alt+F1) to investigate.

The keys available are pictured below.

Petitboot Console
If you're using the petitboot console (either by hitting Alt+F1, or logging-in over the network), you have a fairly standard Linux system available. Some notes:

Discovered storage devices are mounted under /var/tmp/mnt, named by their device. For example, /dev/ps3da1 is mounted at /var/tmp/mnt/ps3da1.

To boot a kernel, use kexec: kexec -f --append="root=/dev/ps3da1" /var/tmp/mnt/ps3da1/boot/vmlinux .

Reverting to the Standard PS3 Software
If you'd like to revert to the standard PS3 behaviour (ie, the PS3 boots directly to gameos), then you can just do a reset of the PS3:

1. Turn the ps3 off
2. Hold down the power button until you get a second set of beeps

The ps3 boot sequence will now be back at the factory default.







Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 14 Comments - Go to Forum Thread »

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A2theC's Avatar
#4 - A2theC - 288w ago
Quote Originally Posted by sorceror View Post
Do any of these bootloaders let you choose between booting Linux and booting the 'Game OS'? I know that after Linux has booted, you can run "boot-game-os", but can any of the bootloaders do that without booting into Linux?

If not, does anyone know the technical reason?


The pdaXrom-ng bootloader does just what you want, an option to boot linux or game os from the get go.

xaxaxe's Avatar
#3 - xaxaxe - 288w ago
All (the standart console and the GUI) bootloaders have "boot-game-os" / "ps3-boot-game-os". You just have to be quick to write it/select it, before the timeout.

You can change/set your timeout in the conf file - "/etc/kboot.conf" or "/etc/yaboot.conf"

sorceror's Avatar
#2 - sorceror - 288w ago
Do any of these bootloaders let you choose between booting Linux and booting the 'Game OS'? I know that after Linux has booted, you can run "boot-game-os", but can any of the bootloaders do that without booting into Linux?

If not, does anyone know the technical reason?

xaxaxe's Avatar
#1 - xaxaxe - 288w ago
To start with all the GUI bootloaders for PS3 I've tried are NOT stable.
Geoff's latest Petitboot ( 19.05.09 aka yesterday), does not even got to the screen (does not set the TV to ANY mode -480p/576p/720...). The prelast was showing up ROTATED at 90 degrees + my HID mouse/keyboard were not working.
The pdaXrom-ng bootloader is working but It has a mind of it's own ( aka random system lock, 50% working keyboard and 90% working controller in Bluetooth mode).

My suggestion keep your STOCK bootloader (the one that came first with your Linux).

But if you want to experiment, be my guest and enjoy REsetting your video/audio setting in GameOS if the loader fails

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