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Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] raven: move BIOS loading fr


From: Mark Cave-Ayland
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] raven: move BIOS loading from board code to PCI host
Date: Tue, 24 Dec 2013 14:06:27 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130116 Icedove/10.0.12

On 23/12/13 20:02, Andreas Färber wrote:

So the issue is actually that the OHW binary is really messed up.
And me, Hervé and Mark have been working on getting OpenBIOS working for
PReP in its place.

It may be worth adding that when Hervé's latest patches are applied to OpenBIOS SVN trunk (currently frozen while I wait for git.qemu.org to update its mirror) then AFAIK the main issue preventing OHW from being switched for OpenBIOS is that OpenBIOS hangs somewhere in the MMU setup code unless QEMU is launched with -cpu 750. It's probably fairly easy to resolve for someone with knowledge of 600 and 700 series CPUs, but my background is mainly SPARC so it's outside my area of expertise.

FWIW what images are people currently booting under -M prep? My general feeling is that OpenBIOS will be able to boot a lot more images straight off, but it would be good to get a list of what images people are actually using to ensure that there are no regressions.


ATB,

Mark.



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