Porting of Linux 2.6 to PS2

Hello,

currently I am working on a port of Linux 2.6 for the PS2. The project is available at:
http://kernelloader.cvs.sourceforge....lloader/linux/

It is still in an early development phase. So it is can't be used by normal users. The build scripts may only work on Ubuntu 10.04 LTS (amd64).

Maybe someone want to look at this or want to help me porting.

At the moment there is no working driver. The 32-Bit version of the kernel is starting and can run the init task. The output of the boot messages can be seen with ps2link or with an serial cable. I don't have the serial cable, so this is untested. The output of the init task is lost, because I wasn't able to write a TTY driver which could handle this. All example drivers including drivers for Linux 2.4 and 2.6 which I found, didn't work, because the code was to old or needed a bus like PCI. The only way to get the output of processes are very ugly hacks (patching syscall handlers).

cool, maybe you should pick off where chewi left, instead of starting from scratch.

i'll try taking a look at it, but no promises.

For my work I checked the stuff from chewi. I tried to reduce the changes to a minimum to stay compatible with the normal mipsel toolchain.

normal mipsel toolchain, as in the generic mipsel one? the one used for many many standalone media players?

I don't know where mipsel is used, but I think it is used in many devices. When I finished porting Linux 2.6, I assume the generic 32 bit mipsel files should work without recompiling. But we also need drivers for the X-Server. Maybe also some stuff need to be optimised. It will be faster when using 64 bit or some of the DSPs.
The missing 32 bit instructions of the R5900 are already emulated in the normal Linux 2.6. But I need to check if I forgot something. Some of the missing 64 bit instructions are not emulated. As far as I know the missing 128 bit instructions are not used by any Linux or any Linux program, because R5900 is one of the rare devices which at least support some of these instructions.

Will be USB stable on slim ps2's with that new kernel? :D

No, I don't think that the new kernel will make it stable. The USB driver need to be rewritten. This is much work. It is more work than I thought. The easy and first solution will be unstable on the slim v14+.

Quote:

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Originally Posted by Mega Man

No, I don't think that the new kernel will make it stable. The USB driver need to be rewritten. This is much work. It is more work than I thought. The easy and first solution will be unstable on the slim v14+.

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Including V14 or only higher? :)
I have 75004

'Including V14'. ;)

SCPH-77008a SLIM. Test without any VGA or RGB outs (because no way)
kloader_v.2.4
vmlinux and initrd from Kernelloader - Browse /Linux 2.6/Linux 2.6 Test Files Version 1 at SourceForge.net

Just loading...

Many lines scrolling up from my view. Last lines:
Starting
Running simple prog
test2
My PID is 1

line:
[ 0.351991] loop: module loaded
- good line)

line:
[ 0.353709] mice: PS/2 mouse device common for all mice
- then i rewrite these lines to notepad, screen becomes black (stand by). I connected 2 types of USB Mouses and no reaction (maybe it normal)

About new kloader2.4 - i see the flashing lines on my mediaplayer (i use it instead of TV)

Changing initrd to another...
initrd.usb2.smb.gz or initrd.usb2.install.gz

interesting line:
mount: fs type ps2mcfs not supported by kernel

There is no way yet to load for test any Linux destribution by any knowing ways because all initrds copy some files to mc0