Re: [Xen-devel] [RFC][PATCH]mini-os: big-endian mini-os on ia64

To:	Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [RFC][PATCH]mini-os: big-endian mini-os on ia64
From:	Keir Fraser <keir@xxxxxxxxxxxxx>
Date:	Tue, 27 Feb 2007 10:51:54 +0000
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, Grzegorz Milos <gm281@xxxxxxxxx>, Xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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On 27/2/07 09:55, "Dietmar Hahn" <dietmar.hahn@xxxxxxxxxxxxxxxxxxx> wrote:

> What I want to have is a mini-os, where everybody whith ia64 hardware can
> build and run a BE mini-os beside LE mini-os (or other domU's) on xen-ia64
> hypervisor. If you say at this point: no interrest for such a thing, than we
> can stop this discussion here.

I don;t think we'd have a problem with incorportaing support for ia64-be if
there's a good reason for it (a better reason than "because it's possible").

> The other way would be building wrappers around all the accesses to
> domU/hypervisor interfaces and hide the SWAPs there. But this seems a little
> bit overkill at this stage.

It would be less ugly and I think less prone to missing some open-coded
accesses. Open-coding the SWAP()s is pretty grim.

 -- Keir

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