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RE: [XenARM] Yet Another Xen ARM Port

To: "George G. Davis" <gdavis@xxxxxxxxxx>
Subject: RE: [XenARM] Yet Another Xen ARM Port
From: "ROSSIER Daniel" <Daniel.Rossier@xxxxxxxxxx>
Date: Thu, 1 Nov 2007 09:17:06 +0100
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Thread-topic: [XenARM] Yet Another Xen ARM Port
>-----Original Message-----
>From: George G. Davis [mailto:gdavis@xxxxxxxxxx]
>Sent: jeudi 1 novembre 2007 04:55
>To: ROSSIER Daniel
>Cc: xen-arm@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [XenARM] Yet Another Xen ARM Port
>On Wed, Oct 31, 2007 at 01:47:11PM +0100, ROSSIER Daniel wrote:
>> Hi George,
>> Great! Many thanks for your patch. I hope it will stimulate
>> in this area.
>> On our side, Damien is working now on setting up the IRQ layer in the
>> mixed colibri(PXA)-specific
>> xen-linux tree. I guess he will submit a new version on the
>> repository in the coming days.
>> He will try to use your material in order to make something unified.
>We'll also consider merging with your xen-linux based tree.  I do like
>the approach for the potential to have working `make *config`.  That
>will be quite useful to facilitate porting and configuring Xen for
>different ARM targets.  Hrm, adding Linux Kbuild to Xen would probably
>be useful enhancement for all archs.  : )
>> The immediate next step will be to enable the xen memory manager
>> functionalities in his tree.
>I'm not sure what you mean exactly by enabling "the memory manager" but
>our patch already has the ARM MMU enabled for (static) direct mapped
>memory and the Xen memory allocator is also working.  We're now working
>adding support for ARM MMU page table support for guest domains.

I meant to adapt the head.S to map XEN on a convenient memory space
our specific board) and to enable the static mapping for XEN. Basically,
what you did will
probably be sufficient provided some adjustments with the addresses.
Damien will be then able to
work out the ARM-specific allocation of pages for the guest domains. I
will check with him to try coordinating the efforts.



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