On Tue, 17 Dec 2019 at 16:41, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> On 12/17/19 6:12 AM, Peter Maydell wrote:
> > Cc'ing Richard : this is one for you I think... (surely we
> > need to rebuild the hflags from scratch when we power up
> > a CPU anyway?)
>
> We do compute hflags from scratch in reset.
>
> It has also turned out that there were a few board models that poked at the
> contents of the cpu and needed special help.  Some of that I would imagine
> would be fixed properly with the multi-phase reset patches, where we could
> rebuild hflags when *leaving* reset.
>
> In arm_set_cpu_on_async_work, we start by resetting the cpu and then start
> poking at the contents of some system registers.  So, yes, we do need to
> rebuild after doing that.  Also, I'm not sure how this function should fit 
> into
> the multi-phase reset future.
>
> So:
>
> Reviewed-by: Richard Henderson <richard.hender...@linaro.org>

Thanks; I've applied this patch to target-arm.next.

-- PMM

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