WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] 64bit HVM on 32bit host?

To: Jun Koi <junkoi2004@xxxxxxxxx>, Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] 64bit HVM on 32bit host?
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 11 Mar 2009 09:05:55 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 11 Mar 2009 02:06:22 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <fdaac4d50903110124l77cd8f22scda370186f06a6c7@xxxxxxxxxxxxxx>
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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcmiIsqXFcvbnb35RIGMWGB2DWxKogABcsS/
Thread-topic: [Xen-devel] 64bit HVM on 32bit host?
User-agent: Microsoft-Entourage/12.15.0.081119
On 11/03/2009 08:24, "Jun Koi" <junkoi2004@xxxxxxxxx> wrote:

>> If your Xen hypervisor is 64 bit, then yes, it's possible to install 64 bit
>> guests.
>> 
> 
> That makes sense: hypervisor 64bit, and on top of that Dom0 can be 32
> bit, and guest can be 64bit.
> 
> But from Dom0, how to compile Xen to 64bit? (My Dom0 now is 32bit)

64-bit chroot, or simply a re-targetable tool chain. I think gcc+binutils
can target x8664 fine with the -m64 switch, even if their host arch is i386.

 -- Keir



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

<Prev in Thread] Current Thread [Next in Thread>