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

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. 

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

> Ian.

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