[RFC] arm64: Early printk support for virtio-mmio console devices.

[Peter Maydell]

On 18 April 2013 07:49, Marc Zyngier <maz at misterjones.org> wrote:
> If you need an early console, why not simply wire the 8250 emulation in
> kvmtool to be useable from the MMIO bus? I reckon this would solve your
> problem in a more elegant way...

The other approach I thought of would be something involving
defining a hypercall interface for console I/O, in the same
way that we have hypercalls for "start cpu"/"stop cpu"/etc.
Is there any mileage in considering that approach, or is it
a non-starter?

thanks
-- PMM