Re: [Xen-devel] Xen ARM - Exposing a PL011 to the guest

[Christoffer Dall <christoffer.dall@xxxxxxxxxx>]

On Wed, Nov 30, 2016 at 03:29:32PM +0000, Julien Grall wrote:
> Hi all,
> 
> Few months ago, Linaro has published the version 2 of the VM
> specification [1].
> 
> For those who don't know, the specification provides guidelines to
> guarantee a compliant OS images could run on various hypervisor (e.g
> Xen, KVM).
> 
> Looking at the specification, it will require Xen to expose new
> devices to the guest: pl011, rtc, persistent flash (for UEFI
> variables).
> 
> The RTC and persistent will only be used by the UEFI firwmare. 

Why would a guest booting without UEFI not want to use the RTC directly?

Linux does this on KVM today...

-Christoffer

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