On 2022-11-18 07:45, Reiji Watanabe wrote:
Hi Marc,
On Sun, Nov 13, 2022 at 8:38 AM Marc Zyngier wrote:
Even when using PMUv3p5 (which implies 64bit counters), there is
no way for AArch32 to write to the top 32 bits of the counters.
The only way to influence these bits (other than by
Hi Marc,
On Sun, Nov 13, 2022 at 8:38 AM Marc Zyngier wrote:
>
> Even when using PMUv3p5 (which implies 64bit counters), there is
> no way for AArch32 to write to the top 32 bits of the counters.
> The only way to influence these bits (other than by counting
> events) is by writing PMCR.P==1.
>
