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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] bug: qemu-0.9.0 emulating mipsel (32-bit R3000) on
	amd64
Date: Mon, 7 May 2007 16:46:52 +0100
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To: qemu-devel@nongnu.org
Cc: John Reiser <jreiser@bitwagon.com>

On Monday 07 May 2007, Daniel Jacobowitz wrote:
> On Sun, May 06, 2007 at 09:04:52PM +0100, Thiemo Seufer wrote:
> > This looks like another instance of "Qemu/MIPS doesn't handle
> > self-modifying code correctly" (the break instructions inserted
> > by gdb are exactly this).
> >
> > A gross workaround is
> > http://lists.nongnu.org/archive/html/qemu-devel/2007-05/msg00037.html
>
> Someone might want to try:
>   http://lists.nongnu.org/archive/html/qemu-devel/2007-04/msg00514.html

I think breakpoints and FPU are separate bugs.

I notice that the FPU enable bit (CP0C1_FP) is not included in the TB flags. 
My guess is you need to modify exec.c:tb_find_fast to include this.

Paul