score: Add _SMP_Othercast_action()

bsps/arm/shared/clock/clock-a9mpcore.c

@@ -102,14 +102,12 @@ typedef struct {
 
 static void a9mpcore_clock_secondary_action(void *arg)
 {
-  if (!_Per_CPU_Is_boot_processor(_Per_CPU_Get())) {
   volatile a9mpcore_gt *gt = A9MPCORE_GT;
   a9mpcore_clock_init_data *init_data = arg;
 
   a9mpcore_clock_gt_init(gt, init_data->cmpval, init_data->interval);
   bsp_interrupt_vector_enable(A9MPCORE_IRQ_GT);
 }
-}
 #endif
 
 static void a9mpcore_clock_secondary_initialization(
@@ -124,7 +122,7 @@ static void a9mpcore_clock_secondary_initialization(
     .interval = interval
   };
 
-  _SMP_Broadcast_action(a9mpcore_clock_secondary_action, &init_data);
+  _SMP_Othercast_action(a9mpcore_clock_secondary_action, &init_data);
 
   if (cmpval - a9mpcore_clock_get_counter(gt) >= interval) {
     bsp_fatal(BSP_ARM_A9MPCORE_FATAL_CLOCK_SMP_INIT);

bsps/arm/shared/clock/clock-generic-timer.c

@@ -122,14 +122,12 @@ static void arm_gt_clock_gt_init(uint64_t cval)
 #if defined(RTEMS_SMP) && !defined(CLOCK_DRIVER_USE_ONLY_BOOT_PROCESSOR)
 static void arm_gt_clock_secondary_action(void *arg)
 {
-  if (!_Per_CPU_Is_boot_processor(_Per_CPU_Get())) {
   uint64_t *cval;
 
   cval = arg;
   arm_gt_clock_gt_init(*cval);
   bsp_interrupt_vector_enable(arm_gt_clock_instance.irq);
 }
-}
 #endif
 
 static void arm_gt_clock_secondary_initialization(uint64_t cval)

cpukit/include/rtems/score/smpimpl.h

@@ -284,6 +284,21 @@ void _SMP_Broadcast_action(
   void               *arg
 );
 
+/**
+ * @brief Initiates an SMP multicast action to the set of all online
+ * processors excluding the current processor.
+ *
+ * Simply calls _SMP_Multicast_action() with _SMP_Get_online_processors() as
+ * the target processor set excluding the current processor.
+ *
+ * @param handler The multicast action handler.
+ * @param arg The multicast action argument.
+ */
+void _SMP_Othercast_action(
+  SMP_Action_handler  handler,
+  void               *arg
+);
+
 #endif /* defined( RTEMS_SMP ) */
 
 /**

cpukit/score/src/smpmulticastaction.c

@@ -258,3 +258,15 @@ void _SMP_Broadcast_action(
 {
   _SMP_Multicast_action( _SMP_Get_online_processors(), handler, arg );
 }
+
+void _SMP_Othercast_action(
+  SMP_Action_handler  handler,
+  void               *arg
+)
+{
+  Processor_mask targets;
+
+  _Processor_mask_Assign( &targets, _SMP_Get_online_processors() );
+  _Processor_mask_Clear( &targets, _SMP_Get_current_processor() );
+  _SMP_Multicast_action( &targets, handler, arg );
+}