shared/smp_stub.c: Only one shared version now

2 files changed, 83 insertions, 0 deletions

diff --git a/schedsim/shell/shared/Makefile.am b/schedsim/shell/shared/Makefile.am
index 5bbb770..846497f 100644
--- a/schedsim/shell/shared/Makefile.am
+++ b/schedsim/shell/shared/Makefile.am
@@ -52,6 +52,7 @@ libschedsim_a_SOURCES += schedsim_disable_dispatch.c
 libschedsim_a_SOURCES += shell_cmdset.c
 libschedsim_a_SOURCES += shell_makeargs.c 
 if HAS_SMP
+libschedsim_a_SOURCES += smp_stub.c
 libschedsim_a_SOURCES += main_taskgetaffinity.c
 libschedsim_a_SOURCES += main_tasksetaffinity.c
 endif
diff --git a/schedsim/shell/shared/smp_stub.c b/schedsim/shell/shared/smp_stub.c
new file mode 100644
index 0000000..11cbc7a
--- /dev/null
+++ b/schedsim/shell/shared/smp_stub.c
@@ -0,0 +1,82 @@
+/**
+ *  @file
+ *  RTEMS SMP Support for Scheduler Simulator
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2014.
+ *  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.h>
+#include <rtems/bspIo.h>
+#include <stdlib.h>
+
+#if RTEMS_SMP
+  uint32_t Schedsim_Current_cpu;
+  extern uint32_t Schedsim_Maximum_CPUs_From_Command_Line;
+#endif
+
+uint32_t _CPU_SMP_Initialize( void )
+{
+#if RTEMS_SMP
+  /* return the number of CPUs */
+  return Schedsim_Maximum_CPUs_From_Command_Line;
+#else
+  return 1;
+#endif
+}
+
+bool _CPU_SMP_Start_processor( uint32_t cpu_index )
+{
+  return true;
+}
+
+void _CPU_SMP_Finalize_initialization( uint32_t cpu_count )
+{
+}
+
+void _CPU_SMP_Send_interrupt( uint32_t target_processor_index )
+{
+}
+
+void _CPU_SMP_Processor_event_broadcast( void )
+{
+#if RTEMS_SMP
+  Per_CPU_Control  *cpu = _Per_CPU_Get();
+  uint32_t         cpu_count = _SMP_Get_processor_count();
+  uint32_t         cpu_index;
+  Per_CPU_State    state = cpu->state;
+
+  if (state == PER_CPU_STATE_REQUEST_START_MULTITASKING) {
+    for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
+      cpu = _Per_CPU_Get_by_index( cpu_index );
+      state = cpu->state;
+      if (state == PER_CPU_STATE_INITIAL )
+         cpu->state = PER_CPU_STATE_READY_TO_START_MULTITASKING;
+    }
+  }
+#endif
+}
+
+
+void _CPU_SMP_Processor_event_receive( void )
+{
+}
+
+uint32_t _CPU_SMP_Get_current_processor( void )
+{
+#if RTEMS_SMP
+  return 0;
+#else
+  return Schedsim_Current_cpu;
+#endif
+}