Re: [Xen-devel] [PATCH v2] aarch64: advertise the GIC system register interface

[Peter Maydell <peter.maydell@xxxxxxxxxx>]

On 7 November 2017 at 17:57, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote:
> On Tue, 7 Nov 2017, Peter Maydell wrote:
>> I thought about this on the cycle into work this morning, and I
>> think that rather than require every board that uses gicv3
>> to set a property on the CPU, we should change the definition
>> of the id_aa64pfr0 register so that rather than being ARM_CP_CONST
>> it has a readfn, and then at runtime we can get that readfn to
>> add in the right bit if env->gicv3state is non-null.
>>
>> I'll put together a patch this afternoon.
>
> Great, please CC me when you do, I'll help you test the patch.

http://patchwork.ozlabs.org/patch/835300/ -- should already be
in your inbox somewhere...

thanks
-- PMM

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