From: "Mulyadi Santosa" <mulyadi.santosa@gmail.com>
To: qemu-devel@nongnu.org
Cc: kohler@cs.ucla.edu
Subject: Re: [Qemu-devel] [Patch] x86 breakpoints and memory examination
Date: Mon, 14 Jan 2008 12:20:38 +0700 [thread overview]
Message-ID: <f284c33d0801132120o395d22bbl2d138460d88c3ab4@mail.gmail.com> (raw)
In-Reply-To: <478A50F1.4050400@cs.ucla.edu>
Hi..
> The following patch is useful for whole-system mode debugging and breakpoint
> setting on i386 QEMU. It seems like both breakpoints and memory examination
> used semi-physical addresses, in that neither took account of segment
> translation. This patch (relative to 0.9.1) adds segment translation.
>
> I'm not sure this is the right way to do it (in fact, I'm sure that the memory
> examination patch is the WRONG way to do it) and would appreciate pointers or
> advice.
I believe (IIRC) jasson wessel had fixed such problem about a year
ago..but I agree that it seems qemu doesn't take segmentation into
account (zero based segment start address, like most OS does these
days I think). In this case, i think your patch does the right thing.
regards,
Mulyadi.
prev parent reply other threads:[~2008-01-14 5:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-13 17:57 [Qemu-devel] [Patch] x86 breakpoints and memory examination Eddie Kohler
2008-01-14 5:20 ` Mulyadi Santosa [this message]
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