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[Qemu-devel] Re: QEMU OpenBIOS booting?

From: Steven Noonan
Subject: [Qemu-devel] Re: QEMU OpenBIOS booting?
Date: Sun, 19 Apr 2009 11:59:11 -0700

On Sun, Apr 19, 2009 at 1:24 AM, Laurent Vivier <address@hidden> wrote:
> Le dimanche 19 avril 2009 à 00:50 -0700, Steven Noonan a écrit :
>> 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...
> Hi,
>> 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.
> You can copy it from OpenHackWare.
> I made some tests and it seems to have some memory conflicts between
> MacOS kernel and OpenBIOS.
> Good Luck.

Two more pre-XCOFF loader commits up:

And I have something (uncommitted) that at least -loads- the
CHRP-embedded XCOFF binaries now, but I am not sure what to do to
execute the result. With ELF, it seems you can just use the call_elf()
function. I don't know PowerPC assembler (nor the XCOFF format) well
enough yet to know what would be necessary for a call_xcoff()
function. Anyone want to help out with this?

- Steven

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