Re: [PATCH] hvf: arm: Add support for GICv3

[Joelle van Dyne]

On Mon, Dec 19, 2022 at 2:08 PM Alexander Graf <agraf@csgraf.de> wrote:
>
> We currently only support GICv2 emulation. To also support GICv3, we will
> need to pass a few system registers into their respective handler functions.
>
> This patch adds support for HVF to call into the TCG callbacks for GICv3
> system register handlers. This is safe because the GICv3 TCG code is generic
> as long as we limit ourselves to EL0 and EL1 - which are the only modes
> supported by HVF.
>
> To make sure nobody trips over that, we also annotate callbacks that don't
> work in HVF mode, such as EL state change hooks.
>
> With GICv3 support in place, we can run with more than 8 vCPUs.
>
> Signed-off-by: Alexander Graf <agraf@csgraf.de>
> ---

Tested-by: Joelle van Dyne <j@getutm.app>