Re: [Xen-devel] pvgrub2 for ARM

["Bamvor Jian Zhang" <bjzhang@xxxxxxxx>]

> >>> Ian Campbell 2013-11-7 23:20 >>>
> On Wed, 2013-11-06 at 19:48 -0700, Bamvor Jian Zhang wrote:
> > >>>Ian Campbell wrote: 
> > > On Wed, 2013-11-06 at 14:00 +0100, Vladimir 'Ï-coder/phcoder' Serbinenko 
> > > wrote: 
> > > > Hello, all. I've ported grub2 to x86_64-xen and i386-xen (PAE only). 
> > > > How 
> > > > big is the difference between ARM and i386 when seen as pv guest? 
> > > 
> > > Very. Xen on ARM uses hardware functionality for second stage paging, so 
> > > there is far less porting to do. 
> > > 
> > > > I have an ARM here but it's a raspberry pi, so no support for xen. Are 
> > > there 
> > > > machines for under $100 on which xen runs? 
> > > 
> > > The current platforms are listed on 
> > > http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions. The one 
> > > which is sub $100 is the Allwinner sunxi based stuff. The native Linux 
> > > support is community driven by the linux-sunxi.org folks and is 
> > > progressing nicely. 
> > > 
> > > I've got a cubieboard2 (A20 based, <$100) which is a promising platform.
> > How about cubietruck? 2G memory plus 1G network is better than cb2. it is
> > about 90$.
> 
> Ah yes, I forgot about the truck. 
> 
> I suppose from Vladimir's point of view it would be rather new and
> therefore require more work on the basics to get it going to the point
> of doing grub development on it.
> 
> > > I've mostly been trying to get (native) SATA going, so my Xen
> > > experiments are a bit lightweight, but it does boot. Bamvor has reported
> > > success with using the MMC and documented it on the wiki. I think he's
> > > using an A31 based STB of some sort.
> > i use the NFS as root not the MMC, and the usb storage should work but no
> > lucky for me. i test these on A20 STB(mele A100 Dual, only 40$!!)
> > successful.
> 
> Ah, I thought for some reason you had an A31 based thing?
yes, i had A31 STB. but the sd socket is broken, usb fel is not work. 
i would try boot from internal flash in future.
there are lots of guys work on A20, it seems a better choice to do what I 
want.


> 
> Ian.
> 
> 
> 
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