From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: virtualization Android OS + XEN. Date: Fri, 8 Aug 2014 12:40:05 +0100 Message-ID: References: <53e2184d.c65cc20a.28f3.6641@mx.google.com> <53E386C2.80109@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: anshul makkar Cc: Julien Grall , Stefano Stabellini , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org One thing to watch out for is whether the bootloader (I am guessing u-boot) boots in HYP mode, SVC mode or secure SVC mode. HYP mode is what we want. >>From secure SVC mode we can go into HYP mode, so that would still be OK. If u-boot boots the platform in non-secure SVC mode, then Xen cannot run on it. On Fri, 8 Aug 2014, anshul makkar wrote: > Hi Julien, > > Thanks for the information. > > I am looking for Cubietruck or Cubieboard 2 with Allwinner A20 > processor but at present its not available in Germany. Any information > about support/testing of XEN on A20-OLinuXino board > (https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-MICRO-4GB/open-source-hardware), > as I am planning to buy it as an alternative to Cubieboard. If at > present XEN support is not therefor OLinuXindo, do you see any issues > in supporting it ? > > Thanks > Anshul Makkar > > On Thu, Aug 7, 2014 at 4:01 PM, Julien Grall wrote: > > Hello, > > > > On 08/07/2014 10:44 AM, anshul makkar wrote: > >> Thanks Leonardo and Stefano. > >> > >> The information you shared is really helpful to get me started and get > >> basic understanding of where Xen stands in its support for ARM. > >> > >> Below is my understanding, request your help to correct me if I am wrong. > >> > >> 1) XEN support for the ARM processor where hardware virtualization is > >> not supported is not there. > >> > >> 2) Presently XEN port has been tested on the following cards. > >> > >> * The Cortex A15 Real-time System Model's provided by ARM > >> * A Cortex-A15 Processor running on the Versatile Express > >> * The Arndale board > >> * The Calxeda ECX-2000 (aka Midway) server > >> * Allwinner A20/A31 boards > > > > Porting Xen to a new board it's only a matter of a hundred lines if your > > platform support virtualization. > > > >> I have Odroid Cortex A9 board, which doesn't have hardware > >> virtualization. So for sure XEN can't be ported on that. > >> > >> Any idea or test results for Cortex A15 board (ODroidXU3 ) provided by > >> ODroid. Whether this board is supported or not ? > > > > There is some on-going work to upstream support for ODroid XU. > > > > You can give a look here: > > > > http://lists.xen.org/archives/html/xen-devel/2014-07/msg03363.html > > > >> Please can you share some other board models that are cheap and > >> supported by XEN ARM. What I have found on net is that all boards having > >> Cortex A15 and hardware virtualization support, so that they are > >> compatible with XEN, are quite expensive. > > > > The Cubietruck is supported by Xen. IIRC, the price is less 100$. > > > > Regards, > > > > -- > > Julien Grall > > > > -- > Thanks > Anshul Makkar > www.justkernel.com > http://www.linkedin.com/groups/Just-Kernel-3033180 >