[OpenBIOS] [PATCH 4/5] pci: enable AAPL, address property for all Apple PPC machines

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Mon Jan 4 15:16:20 CET 2016

On 04/01/16 01:57, BALATON Zoltan wrote:

>> Actually this may be a red herring, since the AAPL,address properties
>> are present in the G4 AGP device trees but not the G4 PCI device trees.
>> So unless G4 AGP are old world then this patch might be a red herring.
>> Alex?
> I think all G4 Macs are New World as it started somewhere around G3 and
> all later models had New World ROM (that is OpenFirmware without
> Toolbox). So I'm not sure why you don't see these in G4 PCI or if you do
> it's not because of Old World ROM.
> The model id we have now (PowerMac3,1) is corresponding to the G4 AGP
> and I've picked this because it is the minimum required by MorphOS.
> Previously it was probably some PCI model but the set of devices
> currently emulated by QEMU may not really correspond to any of these
> real machines.

There are some reports over on emaculation that OS X 10.0 and 10.1 hang
in QEMU when trying to initialise the display, while 10.1 can run fine
on PearPC. I wonder if it's something to do with the fact that PearPC
provides a PCI rather than an AGP graphics card?



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