Re: [XenARM] Cannot create mini-os guest for arm64

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2013-05-17 at 08:00 +0800, Chen Baozi wrote:
> On May 17, 2013, at 12:20 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> 
> > On Thu, 2013-05-16 at 23:34 +0800, Chen Baozi wrote:
> >> On May 16, 2013, at 10:41 PM, Ian Campbell <ian.campbell@xxxxxxxxxx> wrote:
> >> 
> >>> On Thu, 2013-05-16 at 17:49 +0800, Chen Baozi wrote:
> >>>> Hi Ian,
> >>>> 
> >>>> I've done the basic interfaces/framework to pass mini-os build on arm64,
> >>>> which still needs lots of implementation to work properly.
> >>>> 
> >>>> Then I tried to create the mini-os guest for arm64 on Fast Model 
> >>>> environment
> >>>> to drive the following porting. (I know it must not work at present, but 
> >>>> it
> >>>> would give some feedback through the test.) However, when I tried to "xl
> >>>> create" the mini-os, it reported the following errors:
> >>> 
> >>> There are some issues with loading guests from ELF (rather than zImage)
> >>> kernels on ARM.
> >> Is it possible because of there is no arm64 "guest_type" of
> >> xc_dom_arch struct? I can only find "den-3.0-armv7l" guest_type
> >> related codes in libxc files.
> > 
> > Oh, yes, we haven't done arm64 guests yet... Sorry I forgot about this
> > before. Hrm, that does rather block you from doing arm64 mini-os.
> > 
> > I posted a series to allow 64-bit dom0 a while back but we are currently
> > frozen so it has been committed, but that's the obvious starting point
> > for 64-bit guest support.
> > 
> > I don't recall why you are looking at 64-bit minios rather than 32-bit,
> > is that an option? A lot of the code should end up common.
> I did plan to start the work on arm32 at the very beginning. But The
> only platform of cortex-a15 I've got is the samsung's chromebook. I
> tried hard to run Xen on it but didn't succeed in the end due to the
> lack of debug method. At the same time, I've got an chance getting
> involved in a arm64 project of our lab so it is easy to have a
> FastModel license, which at least is a debugable platform for my at
> present. 

You should be able to run arm32 guests on that platform.

> PS, I ordered an OMAP5 development board, but it is stilling on shipping. 

Which devboard did you go for?


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