Other than bookkeeping, what is this going to be used for?
How is it configured? The _SMP_Fatal() call at the end of the patch hints
that there is some related configuration.
On Thu, Mar 3, 2016 at 8:47 AM, Sebastian Huber <
sebastian.hu...@embedded-brains.de> wrote:
> ---
> cpukit/score/include/rtems/score/percpu.h | 19 +++++++++++++++++++
> cpukit/score/src/smp.c | 2 ++
> 2 files changed, 21 insertions(+)
>
> diff --git a/cpukit/score/include/rtems/score/percpu.h
> b/cpukit/score/include/rtems/score/percpu.h
> index 2b05b78..19f46d2 100644
> --- a/cpukit/score/include/rtems/score/percpu.h
> +++ b/cpukit/score/include/rtems/score/percpu.h
> @@ -365,6 +365,12 @@ typedef struct Per_CPU_Control {
> * _CPU_SMP_Start_processor().
> */
> bool online;
> +
> + /**
> + * @brief Indicates if the processor is the one that performed the
> initial
> + * system initialization.
> + */
> + bool boot;
> #endif
>
> Per_CPU_Stats Stats;
> @@ -536,6 +542,19 @@ static inline bool _Per_CPU_Is_processor_online(
> #endif
> }
>
> +static inline bool _Per_CPU_Is_boot_processor(
> + const Per_CPU_Control *cpu
> +)
> +{
> +#if defined( RTEMS_SMP )
> + return cpu->boot;
> +#else
> + (void) cpu;
> +
> + return true;
> +#endif
> +}
> +
> #if defined( RTEMS_SMP )
>
> static inline void _Per_CPU_Send_interrupt( const Per_CPU_Control *cpu )
> diff --git a/cpukit/score/src/smp.c b/cpukit/score/src/smp.c
> index 68a55ff..8049643 100644
> --- a/cpukit/score/src/smp.c
> +++ b/cpukit/score/src/smp.c
> @@ -57,6 +57,8 @@ static void _SMP_Start_processors( uint32_t cpu_count )
> } else {
> started = true;
>
> + cpu->boot = true;
> +
> if ( !_Scheduler_Should_start_processor( assignment ) ) {
> _SMP_Fatal( SMP_FATAL_BOOT_PROCESSOR_NOT_ASSIGNED_TO_SCHEDULER );
> }
> --
> 1.8.4.5
>
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>
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