[PATCH v3 07/11] lib: sbi: Allow programmable counters to monitor cycle/instret events

Bin Meng bmeng.cn at gmail.com
Thu Nov 4 01:36:46 PDT 2021


On Tue, Nov 2, 2021 at 11:11 PM Atish Patra <atish.patra at wdc.com> wrote:
>
> A platform may use programmable counters for cycle/instret events.
> The priv spec allows that provided that cycle/instret also report those
> events in addition to the programmable counters. We should allow that
> functionality in OpenSBI.
>
> Signed-off-by: Atish Patra <atish.patra at wdc.com>
> ---
>  include/sbi/sbi_pmu.h |  1 +
>  lib/sbi/sbi_pmu.c     | 59 +++++++++++++++++++++++++++++++------------
>  2 files changed, 44 insertions(+), 16 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>



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