[OpenBIOS] PReP PowerPC "emulation"

Andreas Färber andreas.faerber at web.de
Wed Sep 15 22:01:35 CEST 2010

Am 15.09.2010 um 21:31 schrieb Alexander Graf:

> On 15.09.2010, at 21:18, Andreas Färber wrote:
>> For PReP you will definitely need to patch QEMU's hw/ppc_prep.c  
>> code to properly load the openbios-ppc file (fixing the current  
>> error message), and OpenBIOS must probably react to the machine  
>> type in, e.g., arch/ppc/qemu/init.c and behave differently from New  
>> World Macs where necessary (cf. ARCH_PREP).
> Exactly. It's a lot of work. If you want to go through all of it,  
> I'm happy to look through the patches. I don't believe it's worth it  
> though.

I fear the BeBox is based on PReP. ;)

> AIX should be fine with CHRP platforms.

...given that AIX 6.1.0 has \ppc\chrp\bootfile.exe.

Massimo, there's no \ppc\prep\ on my disk. Is the boot mechanism  
different there, i.e. is there another loader on the disk somewhere?
CHRP was a successor to PReP, I thought.


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