[Qemu-devel] Re: usermode emulation for ppc host

[Antonio Vargas <windenntw@gmail.com>]

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...

-- 
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.