[OpenBIOS] QEMU OpenBIOS booting?
steven at uplinklabs.net
Sun Apr 19 22:01:43 CEST 2009
On Sun, Apr 19, 2009 at 12:47 PM, Laurent Vivier <Laurent at lvivier.info> wrote:
> Le dimanche 19 avril 2009 à 11:59 -0700, Steven Noonan a écrit :
>> On Sun, Apr 19, 2009 at 1:24 AM, Laurent Vivier <Laurent at lvivier.info> 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 <steven at uplinklabs.net> wrote:
>> >> > On Sun, Apr 12, 2009 at 1:39 AM, Laurent Vivier <Laurent at lvivier.info> 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.
> In fact what I have is a Mach-O loader which load mach_kernel from "/".
>> > Good Luck.
>> Two more pre-XCOFF loader commits up:
> Seems good but do you really need to check for embedded XCOFF in this
> patch and are you really able to execute the boot-script ?
Oh, I should say that it does _execute_ the boot-script, but I don't
know if it's properly handled by the Forth interpreter. Any idea what
the boot-script you cite is supposed to actually _do_ (I gave up
trying to read Forth at around 3 AM last night)?
> In Panther Install CD, BootX is:
> MacRISC MacRISC3 MacRISC4
> Boot Loader for Mac OS X.
> dup 6 " </CHRP" $= if
> 6 + dup 6 " -BOOT>" $= if
> 8 + true
> 1+ false
> ( xcoff-base )
> load-size over load-base - -
> ( xcoff-base xcoff-size )
> load-base swap move
> init-program go
> [...XCOFF HERE]
> OpenBIOS http://openbios.org/
> Mailinglist: http://lists.openbios.org/mailman/listinfo
> Free your System - May the Forth be with you
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