RE: [Xen-ia64-devel] Question: Big Endian domU's

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

 >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.
>

That's good!

Anthony

>-----Original Message-----
>From: Dietmar Hahn [mailto:dietmar.hahn@xxxxxxxxxxxxxxxxxxx] 
>Sent: 2006年11月3日 17:03
>To: Xu, Anthony
>Cc: xen-ia64-devel
>Subject: 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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