Re: [XenARM] Xen on Samsung Chromebook

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Hi Tod,
we didn't make any more progress on the Chromebook port so the page
above is the most recent information we have on it.

Honestly the Chromebook is not a good development platform, so if I were
you, I would wait for the new Arndale or buy a Cubieboard2 for which
there is an active effort in progress to port Xen to it
(http://marc.info/?l=xen-devel&m=137784689820437).

Also keep in mind that the mailing list to discuss the Xen ARM
virtualization extensions port is xen-devel@xxxxxxxxxxxxxxx

Cheers,

Stefano


On Thu, 5 Sep 2013, tod carpenter wrote:
> It looks as if one of the most active XenARM projects is Xen on the Samsung 
> Chromebook on the Cortex A15, which definitely
> is attractive. However, much of the information out there (e.g., XenSummit 
> presentations, wiki.xenproject.org, and even
> these lists.xenproject.org/archives/html/xen-arm) seems a bit light on detail 
> in 2013 since April. Is there still active
> work on Xen on the Chromebook? Is it stable, or is it still active research? 
> At this point, I'd be happy with Dom0 and a
> single guest. The following page:
> 
> Â 
> http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/Chromebook
> 
> seems to imply it might be possible to get it running. Stefano Stabellini's 
> message from this March:
> 
> Â http://lists.xenproject.org/archives/html/xen-arm/2013-03/msg00003.html
> 
> says that it _is_ running, but I thought I would double check about stability 
> before purchasing a Samsung Chromebook. Is
> the above (brief) xenproject page the most detailed instructions for getting 
> it to work? Do you have any comments on the
> stability - is it reasonably likely to be able to get it to work on a new 
> Samsung Chromebook by following those
> instructions, or should I still expect many system-specific issues? Would it 
> be better to wait a few months until the new
> arndale board is available, or will that have its own host of issues?
>
> By way of getting ready, I built a cross-compiler environment on Ubuntu 
> Raring, and have everything compiled (including
> dist-xen) _except_ I get stuck at cross-compiling the dom0 zImage:
> Â
> >$ git clone git://xenbits.xen.org/people/aperard/linux-chromebook.git
> >$ export CROSS_COMPILE=arm-linux-gnueabihf-
> >$ export ARCH=arm
> >$ make zImage
> ...
> arch/arm/kernel/debug.S:164: Error: ARM register expected -- `ldr r2,[ 
> r3,#(0x08)]'
> ...
> 
> This was reported here by Chen Baozi 5 months ago,
> 
> Â 
> http://www.marshut.com/iiuzw/boot-in-hyp-mode-on-samsung-arm-chromebook.html#ipymh
> 
> but I didn't see a resolution, other than the comment "apparently a bug in 
> ubuntu's native gcc" and the implication of
> moving over to Fedora. Any thoughts on unbreaking it?
> 
> One thing I noticed is that "make clean" for the linux build doesn't remove 
> the old xen-arm/xen/arch/xen.lds, whichÂwas
> somewhat frustrating to hunt downÂafter IÂfat-fingered the .dtb
> 
> Thanks!
> 
> (sorry if this is a partial repeat. I originally posted part of this from a 
> different address than the one from which I'm
> subscribed to the list)
> 
> Todd Carpenter

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