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-rw-r--r--cpukit/score/src/schedulersimplesmptick.c107
1 files changed, 0 insertions, 107 deletions
diff --git a/cpukit/score/src/schedulersimplesmptick.c b/cpukit/score/src/schedulersimplesmptick.c
deleted file mode 100644
index 72f8b1f761..0000000000
--- a/cpukit/score/src/schedulersimplesmptick.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/**
- * @file
- *
- * @brief Scheduler Simple SMP Tick Method
- * @ingroup ScoreScheduler
- */
-
-/*
- * COPYRIGHT (c) 1989-2009.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.com/license/LICENSE.
- */
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <rtems/system.h>
-#include <rtems/score/schedulersimplesmp.h>
-#include <rtems/score/smp.h>
-
-static void _Scheduler_simple_smp_Tick_helper(
- int cpu
-)
-{
- Thread_Control *executing;
- ISR_Level level;
-
- executing = _Per_CPU_Information[cpu].executing;
-
- #ifdef __RTEMS_USE_TICKS_FOR_STATISTICS__
- /*
- * Increment the number of ticks this thread has been executing
- */
- executing->cpu_time_used++;
- #endif
-
- /*
- * If the thread is not preemptible or is not ready, then
- * just return.
- */
-
- if ( !executing->is_preemptible )
- return;
-
- if ( !_States_Is_ready( executing->current_state ) )
- return;
-
- /*
- * The cpu budget algorithm determines what happens next.
- */
-
- switch ( executing->budget_algorithm ) {
- case THREAD_CPU_BUDGET_ALGORITHM_NONE:
- break;
-
- case THREAD_CPU_BUDGET_ALGORITHM_RESET_TIMESLICE:
- #if defined(RTEMS_SCORE_THREAD_ENABLE_EXHAUST_TIMESLICE)
- case THREAD_CPU_BUDGET_ALGORITHM_EXHAUST_TIMESLICE:
- #endif
- if ( (int)(--executing->cpu_time_budget) <= 0 ) {
-
- /*
- * A yield performs the ready chain mechanics needed when
- * resetting a timeslice. If no other thread's are ready
- * at the priority of the currently executing thread, then the
- * executing thread's timeslice is reset. Otherwise, the
- * currently executing thread is placed at the rear of the
- * FIFO for this priority and a new heir is selected.
- *
- * In the SMP case, we do the chain manipulation for every
- * CPU, then schedule after all CPUs have been evaluated.
- */
- _ISR_Disable( level );
- _Scheduler_simple_Ready_queue_requeue( &_Scheduler, executing );
- _ISR_Enable( level );
-
- executing->cpu_time_budget = _Thread_Ticks_per_timeslice;
- }
- break;
-
- #if defined(RTEMS_SCORE_THREAD_ENABLE_SCHEDULER_CALLOUT)
- case THREAD_CPU_BUDGET_ALGORITHM_CALLOUT:
- if ( --executing->cpu_time_budget == 0 )
- (*executing->budget_callout)( executing );
- break;
- #endif
- }
-}
-
-void _Scheduler_simple_smp_Tick( void )
-{
- uint32_t cpu;
-
- /*
- * Iterate over all cores, updating time slicing information
- * and logically performing a yield. Then perform a schedule
- * operation to account for all the changes.
- */
- for ( cpu=0 ; cpu < _SMP_Processor_count ; cpu++ ) {
- _Scheduler_simple_smp_Tick_helper( cpu );
- }
- _Scheduler_simple_smp_Schedule();
-}