From: Peter Maydell <peter.maydell@linaro.org>
To: Alexander Graf <agraf@csgraf.de>
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, osy <osy@turing.llc>
Subject: Re: [PATCH v2] hvf: arm: Add support for GICv3
Date: Thu, 2 Feb 2023 17:56:00 +0000 [thread overview]
Message-ID: <CAFEAcA_u2=QJiuCWfZ5ZQZ_mevqCR0iZO51ktnqzTaY7xWfUQw@mail.gmail.com> (raw)
In-Reply-To: <20230128224459.70676-1-agraf@csgraf.de>
On Sat, 28 Jan 2023 at 22:45, 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>
>
> ---
Applied to target-arm.next, thanks.
-- PMM
next prev parent reply other threads:[~2023-02-02 17:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-28 22:44 [PATCH v2] hvf: arm: Add support for GICv3 Alexander Graf
2023-02-02 17:56 ` Peter Maydell [this message]
2023-02-03 10:57 ` Peter Maydell
2023-02-03 14:26 ` Alexander Graf
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