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

From: Andreas Färber
Subject: [Qemu-devel] Re: [OpenBIOS] QEMU OpenBIOS booting?
Date: Sun, 19 Apr 2009 10:03:31 +0200

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):


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.

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.


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