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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: John Reiser <jreiser@bitwagon.com>
Subject: Re: [Qemu-devel] workaround: qemu-0.9.0 emulating mipsel (32-bit R3000) on amd64
Date: Tue, 8 May 2007 00:08:07 +0100	[thread overview]
Message-ID: <200705080008.08435.paul@codesourcery.com> (raw)
In-Reply-To: <200705080003.37643.paul@codesourcery.com>

> > --- a/qemu-0.9.0/target-mips/helper.c   2007-05-05 15:39:21.000000000
> > -0700 +++ b/qemu-0.9.0/target-mips/helper.c   2007-05-07
> > 13:24:50.000000000 -0700 @@ -358,6 +358,7 @@
> >          goto set_EPC;
> >      case EXCP_BREAK:
> >          cause = 9;
> > +       tlb_flush_page(env, env->PC);
> >          goto set_EPC;
> >      case EXCP_RI:
> >          cause = 10;
>
> I think this is still broken if the breakpoint is the first instruction on
> a page. The changes Daniel mentioned should make this sort of flushing
> unnecessary.

On second thoughts it probably does work, but I think it is the wrong way to 
fix this problem.

Paul

  reply	other threads:[~2007-05-07 23:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-06 18:45 [Qemu-devel] bug: qemu-0.9.0 emulating mipsel (32-bit R3000) on amd64 John Reiser
2007-05-06 20:04 ` Thiemo Seufer
2007-05-06 20:07   ` Thiemo Seufer
2007-05-07 12:13   ` Daniel Jacobowitz
2007-05-07 15:46     ` Paul Brook
2007-05-07 22:46     ` [Qemu-devel] workaround: " John Reiser
2007-05-07 23:03       ` Paul Brook
2007-05-07 23:08         ` Paul Brook [this message]
2007-05-08 18:03     ` [Qemu-devel] bug: " Stefan Weil
2007-05-08 23:50   ` John Reiser
2007-05-09  1:04     ` Thiemo Seufer

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