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xen-ia64-devel
Re: [Xen-ia64-devel] Question: Big Endian domU's
Hi Anthony,
> What is the OS using big endian?
It's BS2000 from Fujitsu Siemens Computers. BS2000 is a IBM-390 like mainframe
OS. We do some conceptual studies together with linux and ia64.
> It may not be that easy for supporting big endian.
> XEN may need to access address space which belonging to guest OS,
> So XEN need to take care of big endian.
Yes I understand this.
> Because Linux and Windows are using little endian, we don't take big endian
into consideration from beginning.
This is logical.
> There are many places we need to change for supporting big endian OS.
I know it's a lot to do.
With the mini-os port to ia64 I'm on the way to get more familiar with the xen
interfaces. The next step will be to look deeper in the xen internals. And a
big endian mini-os can be used as the test vehicle.
>
> But, if you can describe your scenario in depth, Maybe we can increase the
priority of supporting big endian OS.
>
> Anthony
Thanks.
Dietmar.
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