From: Thiemo Seufer <ths@networkno.de>
To: John Reiser <jreiser@BitWagon.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] bug: qemu-0.9.0 emulating mipsel (32-bit R3000) on amd64
Date: Sun, 6 May 2007 21:04:52 +0100 [thread overview]
Message-ID: <20070506200452.GA32686@networkno.de> (raw)
In-Reply-To: <463E2234.3040508@BitWagon.com>
John Reiser wrote:
> Hi,
>
> qemu-0.9.0 compiled and running on Debian 2.6.18-4-amd64,
> [compiled by gcc (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)],
> emulating Debian 2.6.18-4-qemu mipsel (32-bit MIPS R3000 little endian),
> errs when gdb 6.4.90-debian (running on the emulated mipsel)
> single-steps the user-mode instruction:
> lw a2,-44(s7)
> After single-stepping the 'lw', then register a2 contains garbage
> instead of the memory contents at address -44(s7).
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
Thiemo
next prev parent reply other threads:[~2007-05-06 20:11 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 [this message]
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
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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