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Re: [PATCH] target/arm: Init GIC CPU IF regs for A15/A7


From: Peter Maydell
Subject: Re: [PATCH] target/arm: Init GIC CPU IF regs for A15/A7
Date: Mon, 1 Jun 2020 13:36:13 +0100

On Sat, 30 May 2020 at 00:07, Adam Lackorzynski <adam@l4re.org> wrote:
>
> Initialize the CPU interface registers also
> for Cortex-A15 and Cortex-A7 CPU models, in
> the same way as done for 64bit CPU models.
> This fixes usage of GICv3 in virtualization
> contexts in 32bit configurations.
>
> Signed-off-by: Adam Lackorzynski <adam@l4re.org>

Hi; I'm confused by this patch. The Cortex-A15 and Cortex-A7
do not have or support the GICv3, so why would we need
to set GICv3-specific settings for them?

We're probably missing a sanity-check somewhere
to forbid user attempts to use non-GICv3 CPUs with
the GICv3.

thanks
-- PMM



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