Xen 
 
Home About Xen.org Xen Xen Summit Wiki Mailing List Bug Tracker Xen Downloads
 
   
 

xense-devel

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>
Delivery-date: Sat, 27 Oct 2007 01:10:17 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <D936D925018D154694D8A362EEB0892002C3A1B8@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcgYPKeHAh+s/rrjQ0OzxTZHSH6adQANNIID
Thread-topic: [Xen-devel] [PATCH] Intel(R) Trusted Execution Technology support
User-agent: Microsoft-Entourage/11.3.6.070618
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



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel