From: "J. Mayer" <l_indien@magic.fr>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: usermode emulation for ppc host
Date: Wed, 31 Aug 2005 22:55:13 +0200 [thread overview]
Message-ID: <1125521713.12403.0.camel@rapid> (raw)
In-Reply-To: <69304d11050831084045e358fb@mail.gmail.com>
On Wed, 2005-08-31 at 17:40 +0200, Antonio Vargas wrote:
> 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...
Do you mean PPC host or target ?
target-ppc subdirectory is used when emulating a PowerPC, that is for
PPC target.
If you really talk about PowerPC host emulation, not PowerPC target,
then target-ppc subdirectory code is not concerned.
--
J. Mayer <l_indien@magic.fr>
Never organized
prev parent reply other threads:[~2005-08-31 21:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-30 17:42 [Qemu-devel] usermode emulation for ppc host Antonio Vargas
2005-08-31 15:40 ` [Qemu-devel] " Antonio Vargas
2005-08-31 20:55 ` J. Mayer [this message]
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