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Re: [Xen-devel] [PATCH RFC 12/15] libxc: support for arm64 Image format

On 10/21/2013 10:46 AM, Ian Campbell wrote:
On Thu, 2013-10-10 at 16:56 +0100, Ian Campbell wrote:
On Thu, 2013-10-10 at 16:43 +0100, Julien Grall wrote:
I think all the code in this patch should in an ifdef __aarch64__.

Oops, yes. I did say I hadn't tried it on 32 bit ;-)

Upon second thought -- it is reasonable to want to build a 64-bit guest
while running a 32-bit dom0 on a 64-bit Xen.

Right, I forget that it's possible to boot 32 kernel, so 32 bit userspace, on ARM64.

I think this should work, although I've not tried it.

There is a bunch of #ifdef __aarch64__ in the public interface. To support dom0 32 bit, we will need to remove theses #ifdef.

Julien Grall

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