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Re: [MirageOS-devel] Mirage on Raspberry Pi 3

From: Anil Madhavapeddy <anil@xxxxxxxxxx>

Date: Fri, 4 Mar 2016 16:14:32 +0000

Cc: mirageos-devel <mirageos-devel@xxxxxxxxxxxxxxxxxxxx>, Ian Campbell <ijc@xxxxxxxxxxxxxx>

Delivery-date: Fri, 04 Mar 2016 16:14:37 +0000

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Congratulations on getting your hands on an rPi3! :-)

Anecdotally, the rPi 3 still doesnt have the interrupt controller wired up to support virtualisation very effectively, but I don't have one to try out yet (hopefully on Monday). CCing Ian Campbell who might know more.

If this doesn't work out though, see if you can get KVM to work with a Linux guest. The work on Solo5 means that a KVM ARM port is reasonably straightforward if we go down that path...

-Anil

On 4 Mar 2016, at 16:11, Joel Hughes <rudenoise@xxxxxxxxx> wrote:

Hello all,

I'm fairly new to Mirage so these questions are likely to be naive. Feel free to set me straight!

I have a Raspberry Pi 3 and looking at the specs it seems comparable to the cubieboard/cubietruck and thought that it might be possible to run the Xen Hypervisor and MirageOS unikernels on it?
https://www.raspberrypi.org/magpi/raspberry-pi-3-specs-benchmarks/

I think it'd would be a great way for people to experiment with MirageOS.

I've had a few attempts at getting things running on the Pi:
https://github.com/rudenoise/xen-mirage-rpi3

I realise that the underlying architecture is very different from running X86 VMs in VBox so have a lot to learn about boot-loaders, compiling Linux kernels for arm/RPi, virtualisation etc...

Am I chasing a lost cause?
Would branching/adapting https://github.com/mirage/xen-arm-builder be possible?
Is KVM+Solo5 or U-Boot a good starting point?
Is there an effort in progress to work on this, if so I'd love to help out?

I'm generally interested to learn more about this area so any advice much appreciated.

Thanks

Joel

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