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From: | Dave Willoughby |
Subject: | [Qemu-devel] Re: [OpenBIOS] QEMU OpenBIOS booting? |
Date: | Wed, 20 May 2009 08:51:36 -0500 |
On Apr 19, 2009, at 3:31 AM, Laurent Vivier wrote:
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 readMac 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 treeonce 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). http://alex.csgraf.de/See the HowTo http://d4wiki.goddamm.it/index.php/ Howto:_Mac_OSX_on_KVM .
I'm trying the Mac_OSX_on_KVM Howto above.I'd like to boot an existing, bootable Mac OS X 10.5.5 GPT formatted, external USB HDD, which boots fine on my 4,1 MBP.
Does anyone know if Alexander's kvm-osx-bootloader can boot real, host managed HDDs, or is it dependent on something associated with disk image files, created by qemu-img?
I don't have the message in front of me now, but I think I was getting "device not found" when I used -hda /dev/sdc or -hda /dev/sdc1.
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 shouldlook at it. Regards, Laurent -- OpenBIOS http://openbios.org/ Mailinglist: http://lists.openbios.org/mailman/listinfo Free your System - May the Forth be with you
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