From: Michal Schulz <michal.schulz@gmx.de>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] FXSAVE doesn't #GP on alignment error
Date: Wed, 13 Feb 2008 17:20:36 +0100 [thread overview]
Message-ID: <200802131720.37561.michal.schulz@gmx.de> (raw)
In-Reply-To: <19f34abd0802130759x7b789b63od5ed791d63d49672@mail.gmail.com>
On Wednesday 13 February 2008, Vegard Nossum wrote:
> I am not sure if this should be treated as an error or not (it
> definitely isn't critical), but I'll post it as an extra information
> if it is useful or you think it should be fixed.
>
> According to Intel manuals, the FXSAVE instruction requires the
> argument to be 16-byte aligned. On a real machine, violating this
> constraint results in a #GP. From experience, qemu will not enforce
> this alignment constraint.
+1 from me.
--
Michal Schulz
prev parent reply other threads:[~2008-02-13 16:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-13 15:59 [Qemu-devel] FXSAVE doesn't #GP on alignment error Vegard Nossum
2008-02-13 16:20 ` Michal Schulz [this message]
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