Understood, thank you a lot :)

Best regards
Timofey


On Thu, Oct 27, 2022 at 12:35 PM Peter Maydell <peter.mayd...@linaro.org>
wrote:

> On Thu, 27 Oct 2022 at 10:22, Timofey Kutergin <tkuter...@gmail.com>
> wrote:
> > > V8 always implies V7, so we only need to check V7 here.
>
> > From silicon perspective - yes, but as I see in qemu,
> > ARM_FEATURE_V7 and ARM_FEATURE_V8 are independent bits which do not
> affect each
> > other in arm_feature() and set_feature() so they should be tested
> separately.
> > Did I miss something?
>
> In arm_cpu_realizefn() there is code which sets feature flags
> that are always implied by other feature flags. There we set
> the V7VE flag if V8 is set, and the V7 flag if V7VE is set.
> So we can rely on any v8 CPU having the V7 feature flag set.
>
> thanks
> -- PMM
>

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