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Re: [Qemu-devel] gen_op_stl_raw_T0_A0 and the softmmu

From: Laurent Desnogues
Subject: Re: [Qemu-devel] gen_op_stl_raw_T0_A0 and the softmmu
Date: Wed, 25 Nov 2009 00:12:35 +0100

On Tue, Nov 24, 2009 at 7:51 PM,  <address@hidden> wrote:
> I am working on a project that extends qemu to track the memory accesses.
> All the functions in target-i386/ops_mem.h are instrumented.
> Logging the reads work fine, the writes give are troublesome.
> The code that I am tracking contains a lot of xor instructions.
> I have tracked the generation of an example xorl $0x9432bf80, (%esi) 
> instruction
> in target-i386/translate.c. The result of the xorl instruction results in the
> generation of op_stl_raw_T0_A0 by gen_op_stl_raw_T0_A0. The op_stl_raw_T0_A0
> instruction in instrumented in the ops_mem.h header file but somehow nothing 
> is
> logged.

You seem to be using a very old version of QEMU.  You'd better
use a more recent one if you want to get more help :-)


> So to conclude,  the reads are logged, but the writes give me some problems.
> Is there any documentation regarding to the softmmu and these memory operands.
> Kind regards,
> Remco

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