[OpenBIOS] Regression in booting HelenOS/sparc64

Artyom Tarasenko atar4qemu at gmail.com
Sat Apr 14 06:57:20 CEST 2012

Sorry for the top-posting, that's the only option Gmail offers for my

I used the commit before the one to which there was a repairing commit
with comment "we lost OR'ing" from Blue and Jan.


On 4/13/12, Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk> wrote:
> On 12/04/12 18:54, Artyom Tarasenko wrote:
>> As of today qemu git/master and OpenBIOS/trunk can't boot
>> HelenOS-0.4.3-sparc64-ultra.iso .
>> $ sparc64-softmmu/qemu-system-sparc64 -m 512 -boot d -cdrom
>> /mnt/terra/projects/sparc-images/HelenOS-0.4.3-sparc64-ultra.iso -bios
>> openbios-sparc64-trunk
>> Unassigned mem access to 000001ff00700000 from 000000000041c00c
>> ^^^Booting stops here
>> It looks like the regression is coming form the OpenBIOS, because
>> older qemu versions can boot HelenOS with older OpenBIOS, but not with
>> trunk. Can't check other way around because current qemu doesn't start
>> with older OpenBIOS at all.
> Hmmm it's going to take a while to bisect something like this :/  Do you
> at least have a last known good combination (QEMU git commit/OpenBIOS
> SVN revision) to start working from?
> ATB,
> Mark.
> --
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> Free your System - May the Forth be with you

Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/search/label/qemu

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