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

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

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



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