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Re: [Xen-devel] [PATCH] Intel(R) Trusted Execution Technology support

To: "Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>, <xense-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Intel(R) Trusted Execution Technology support
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Sat, 27 Oct 2007 09:15:03 +0100
Cc: "Xu, James" <james.xu@xxxxxxxxx>, "Wang, Shane" <shane.wang@xxxxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx>
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On 27/10/07 02:56, "Cihula, Joseph" <joseph.cihula@xxxxxxxxx> wrote:

> o  Xen's command line must include the 'no-real-mode' option to prevent
> Xen from reading the e820 table from BIOS.  The TXT code makes
> modifications to the table passed via GRUB that the Xen portions of the
> code need.

If that's the only reason, we could add another command-line option, or a
multiboot info flag, to prevent just the e820 part of real-mode execution.
Then you could still set video mode and get disc EDD info even when running
on tboot.

 -- Keir



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