On Tue, Jan 16, 2024 at 8:44 AM Sebastian Huber
<sebastian.hu...@embedded-brains.de> wrote:
>
> Switch back to the idle thread if no watchdogs are active. In some tests, the
> idle thread may do some non-blocking work.
> ---
> bsps/shared/dev/clock/clockimpl.h | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/bsps/shared/dev/clock/clockimpl.h
> b/bsps/shared/dev/clock/clockimpl.h
> index e922c0b320..ec56e175f5 100644
> --- a/bsps/shared/dev/clock/clockimpl.h
> +++ b/bsps/shared/dev/clock/clockimpl.h
> @@ -139,6 +139,21 @@ volatile uint32_t Clock_driver_ticks;
> #error "Clock_driver_support_shutdown_hardware() is no longer supported"
> #endif
>
> +#if CLOCK_DRIVER_USE_FAST_IDLE
> +static bool Clock_Has_watchdogs(const Per_CPU_Control *cpu)
> +{
nit: if this cannot be overridden by BSPs and is purely internal to
this header file implementation, it should not use "Clock_"
> + size_t i;
> +
> + for (i = 0; i < RTEMS_ARRAY_SIZE(cpu->Watchdog.Header); ++i) {
> + if (_Watchdog_Header_first(&cpu->Watchdog.Header[i]) != NULL) {
> + return true;
> + }
> + }
> +
> + return false;
> +}
> +#endif
> +
> /**
> * @brief Clock_isr
> *
> @@ -182,6 +197,7 @@ rtems_isr Clock_isr(
> cpu_self->thread_dispatch_disable_level == cpu_self->isr_nest_level
> && cpu_self->heir == cpu_self->executing
> && cpu_self->executing->is_idle
> + && Clock_Has_watchdogs(cpu_self)
> ) {
> ISR_lock_Context lock_context;
>
> --
> 2.35.3
>
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