Re: [Xen-devel] Upstreaming the Mini-OS/ARM patches

["karim.allah.ahmed@xxxxxxxxx" <karim.allah.ahmed@xxxxxxxxx>]

On Fri, May 30, 2014 at 9:58 AM, Thomas Leonard <talex5@xxxxxxxxx> wrote:
> On 22 April 2014 15:29, Thomas Leonard <talex5@xxxxxxxxx> wrote:
>> On 22 April 2014 15:21, karim.allah.ahmed@xxxxxxxxx
>> <karim.allah.ahmed@xxxxxxxxx> wrote:
>>> Hi Thomas,
> [...]
>>> BTW, mini-os almost works ( check the TODO ) in this branch ( aside
>>> from the fact that caching is disabled at the moment at mini-os and
>>> hypervisor level .. because I had problem with hypercalls since I
>>> didn't respect the EABI assumptions about caching ).
>>
>> Hi Karim,
>>
>> My work is based on your repository, but it didn't work for me in its
>> original state. Mine is here:
>>
>> https://github.com/talex5/xen
>>
>> Some things I've added:
>>
>> - Hypervisor calls were failing due to lack of the cache writeback attribute
>> - The regular console now works, not just the emergency console
>> - There's a fault handler which dumps the registers on a fault
>> - RAM settings are read from the FDT, getting the correct heap size
>> - The page allocator no longer corrupts memory
>> - Caching is enabled
>>
>>> [0] https://github.com/KarimAllah/xen/tree/minios-arm-port
>
> Hi Karim, Jonathan,
>
> I'd like to get the ARM patches upstreamed into Xen. My patches are
> built on yours; are you happy for me to submit them too?
>
> The full set of my patches ready for merging can be found here:
>
>   https://github.com/talex5/xen/commits/next
Nice work!

>
> I see that some of these have already been merged into the
> https://github.com/KarimAllah/xen repository, which is great - thanks!
>
> I also have some patches (on the devel branch) to allow building and
> installing a libminios.a (plus linker script and pkg-config file) so
> that other projects can use it as a library. However, these need some
> cleaning up first.
>
> If you're OK with this, I'll send the patch series to the xen-devel list.

Yes, definitely go ahead! :)

>
> Thanks,
>
>
> --
> Dr Thomas Leonard        http://0install.net/
> GPG: 9242 9807 C985 3C07 44A6  8B9A AE07 8280 59A5 3CC1
> GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA



-- 
Karim Allah Ahmed.

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