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Date: Wed, 31 Aug 2005 17:40:51 +0200
From: Antonio Vargas <windenntw@gmail.com>
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Subject: [Qemu-devel] Re: usermode emulation for ppc host
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To: qemu-devel@nongnu.org

On 8/30/05, Antonio Vargas <windenntw@gmail.com> wrote:
> Having a look at the sources, I've noticed that extra ppc registers
> are only used when doing usermode-inly emulation and not when doing
> fullsystem-mode. Can anyone tell me where should I look for problems
> when disabling that restriction? I've already tried to enable the use
> of these registers but of course it's there for some reason as it
> doesn't boot anything when I enable them.

OK.. more inspection has revealed ppc/op_helper.c which states:

"XXX: fix it to restore all registers"

looks like registers could be smashed when entering it and not being
saved/restored by gcc??? will have to find out more...

--=20
Greetz, Antonio Vargas aka winden of network

http://wind.codepixel.com/

Las cosas no son lo que parecen, excepto cuando parecen lo que si son.