Re: Xen-ARM DomUs

[Roman Shaposhnik <roman@xxxxxxxxxx>]

On Mon, Dec 14, 2020 at 6:59 PM Elliott Mitchell <ehem+undef@xxxxxxx> wrote:
>
> On Mon, Dec 14, 2020 at 06:35:14PM -0800, Roman Shaposhnik wrote:
> > On Mon, Dec 14, 2020 at 6:16 PM Elliott Mitchell <ehem+xen@xxxxxxx> wrote:
> > >
> > > Finally getting to the truly productive stages of my project with Xen on
> > > ARM.
> > >
> > > How many of the OSes which function as x86 DomUs for Xen, function as
> > > ARM DomUs?  Getting Linux operational was straightforward, but what of
> > > others?
> >
> > On EVE we have Windows running as a pretty much a customer-facing demo:
> >     
> > https://wiki.lfedge.org/display/EVE/How+get+Windows+10+running+on+a+Raspberry+Pi
> >
>
> Sorry to spoil the achievement, but Tianocore beat you to having
> Windows on a RP4 by 4 months:
> https://rpi4-uefi.dev/alternate-guide-running-windows-10-on-the-pi-4/

Not to be pedantic, but Stefano and I beat them -- we made it possible
around August ;-)

> > > The available examples seem geared towards Linux DomUs.  I'm looking at a
> > > FreeBSD installation image and it appears to expect an EFI firmware.
> > > Beyond having a bunch of files appearing oriented towards booting on EFI
> > > I can't say much about (booting) FreeBSD/ARM DomUs.
> >
> > Personally I'm about to make Plan9 (well 9front really) run as well ;-)
>
> Some people may like those types of instructions, but I really hate them.
> I like Tianocore's better, since I can do my type of adjustment better.
> (using different amount of storage or other virtual devices)
>
> I've already got FreeBSD installation media, issue is setting up a xl.cfg
> file and/or figuring out which bits I need to extract off their media
> (ah, actual kernel is /boot/kernel/kernel; an ELF file using the
> interpreter /red/herring).

Well, Xen requires some kind of a management solution underneath, so until
Xen/RPi4 support shows up in Raspbian -- the choice is to either stick with
EVE or follow long lists of instructions.

Thanks,
Roman.