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Re: [MirageOS-devel] Mirage ARM port

On Tue, Apr 29, 2014 at 03:17:21PM +0200, Goswin von Brederlow wrote:
> On Thu, Apr 10, 2014 at 04:39:49PM +0100, Andy Ray wrote:
> > Hi,
> > 
> > I've been discussing the ARM port of Mirage with Anil recently and
> > would like to get involved helping to bring that up.
> > 
> > Initially it would be to target a Raspberry Pi (finally something I
> > can use it for!) but eventually I'm interested in getting it running
> > on an Altera Cyclone V Soc with dual-core ARM Cortex-A9s.
> > 
> > I understand there are 2 approaches - using a FreeBSD kernel module or
> > building up from scratch with a mini OS and implementing some device
> > drivers.  I'm easy either way.
> > 
> > I've never used a BSD but I have hacked a realtime linux OS onto an
> > ARM Soc before so I know there be dragons ahead...
> > 
> > Cheers,
> > Andy
> A while back I started writing an exokernel to run ocaml barebone on
> the Raspberry Pi. I have ocaml running and multi-threading 95% done.
> For my approach I mapped interrupts to signals so I can use an
> unmodified ocamlopt for RPi to generate a binary blob and link that
> with the exo kernel (just a few files to initialize the hardware and
> glue to ocaml).
> I would be verry interested in porting mirage. But mirage needs Xen
> and the Raspberry Pi can't run Xen. So quite a bit of driver glue will
> be needed. That's why I started with just plain ocaml.
> I'm going to hold a talk about ocaml barebone on the RPi end of next
> week so I have till then finish and release something. I will post the
> url when I do.
> MfG
>       Goswin



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