Re: [Xen-users] help with openbsd armv7 as domU

[Julien Grall <julien.grall@xxxxxxx>]

Hello,

On 29/12/2018 22:56, s_graf@xxxxxxxxx wrote:
> I am trying to run openbsd armv7 as a domU on an orangepi one (Allwinner
> H3).
> I have run openbsd on this hardware for many months.
> I have been able to load xen dom0 on the hardware by building an armbian
> system with the xen options.
>
> I was hoping to load the bsd ram kernel (bsd.rd) as a domU.
> This kernel runs entirely in memory and so I thought it might be a good
> first step.
>
> With the cfg below I get an error " Unable to find arch FDT info for
> xen-3.0-unknown",
> which I do not know how to handle. The start-up console log is below.
>
> When openbsd starts natively on this system u-boot runs bootarm.efi.
> Is there a way to set this up in a domU cfg?
ELF images are not supported by Xen Arm at the moment. However, you still need 
some support in the OS in order to boot as Xen Arm guest. I am not aware of such 
support in OpenBSD today (but I might be wrong).
I can provide pointers how to port OpenBSD to Xen Arm Guest if you are 
interested.

Cheers,

--
Julien Grall

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