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[Qemu-devel] Re: [OpenBIOS] QEMU OpenBIOS booting?

From: Laurent Vivier
Subject: [Qemu-devel] Re: [OpenBIOS] QEMU OpenBIOS booting?
Date: Sun, 19 Apr 2009 10:31:25 +0200

Le dimanche 19 avril 2009 à 10:03 +0200, Andreas Färber a écrit :
> Am 19.04.2009 um 09:50 schrieb Steven Noonan:
> > On Tue, Apr 14, 2009 at 10:46 PM, Steven Noonan  
> > <address@hidden> wrote:
> >> On Sun, Apr 12, 2009 at 1:39 AM, Laurent Vivier  
> >> <address@hidden> wrote:
> >>> OpenBIOS is not able to boot MacOS X.
> >>
> >> Well, that's a silly limitation. Is there a reason this isn't
> >> implemented? I see that the Mac-on-Linux OpenBIOS version has such
> >> support, so it seems strange that the QEMU version does not.
> >
> > I don't know if anyone here is actually interested (this list seems
> > -very- quiet), but...
> >
> > I've been hacking at OpenBIOS for a bit, and I got it to properly read
> > Mac OS X discs (it kept failing because it would hit an Apple
> > Partition Map header instead of an HFS+ filesystem header). I'm
> > working on adding an XCOFF loader, too, so it should be able to boot
> > Mac OS X soon.
> >
> > Any chances I could get these changes merged to the main OpenBIOS tree
> > once they're done?
> >
> > My current working repository is at http://github.com/tycho/openbios.
> > I'm working on the macosx-boot branch. The relevant commit is here
> > (patch also attached):
> > http://github.com/tycho/openbios/commit/4722c8a01d186a08183de49759dc8b7b74cf41c9
> >
> > Thoughts?
> Your work surely sounds interesting. However, making OpenBIOS boot  
> from the disks is not everything there is to it. Alexander Graf had  
> once posted a series of patches for making Mac OS X boot in QEMU,  
> including changes/additions to device emulation. They were not merged,  
> not sure about the status today.

Alexander made a work to boot Intel Mac OS X.
It works very well with KVM (I use it).


See the HowTo http://d4wiki.goddamm.it/index.php/Howto:_Mac_OSX_on_KVM .

> One issue iirc was that you need to obtain some Apple ID from a real  
> Mac of yours and pass that to QEMU for it to work.

I don't think it is needed with powerPC MacOS X.
I seems OpenHackware was able to boot powerPC MacOS X. Perhaps we should
look at it.


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