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[Xen-users] Re: [Xen-devel] Re: How to build a 64 bit xen

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>
Subject: [Xen-users] Re: [Xen-devel] Re: How to build a 64 bit xen
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 18 May 2010 16:25:15 +0100
Cc: lei yang <yanglei.fage@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Xen Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx>
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On 18/05/2010 16:20, "Ian Campbell" <Ian.Campbell@xxxxxxxxxx> wrote:

>> So I think 'file' is just making a mistake.
> The 64 bit hypervisor really is encapsulated in a 32 bit container, see
> the mkelf32 related rules in xen/arch/x86/Makefile.
> I'm not sure why. Something to do with 32 bit bootloaders maybe?

Multiboot spec only allows for booting 32-bit images.

 -- Keir

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