1 files changed, 106 insertions, 0 deletions
diff --git a/cpukit/score/src/threadcreateidle.c b/cpukit/score/src/threadcreateidle.c
new file mode 100644
index 0000000000..6a4bf65e9c
--- /dev/null
+++ b/cpukit/score/src/threadcreateidle.c
@@ -0,0 +1,106 @@
+/*
+ *  Thread Handler
+ *
+ *
+ *  COPYRIGHT (c) 1989-2011.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/apiext.h>
+#include <rtems/score/context.h>
+#include <rtems/score/interr.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/object.h>
+#include <rtems/score/priority.h>
+#include <rtems/score/states.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/config.h>
+#include <rtems/bspsmp.h>
+
+static inline void _Thread_Create_idle_helper(
+  uint32_t name_u32,
+  int      cpu
+) 
+{
+  Objects_Name    name;
+  Thread_Control *idle;
+
+  name.name_u32 = name_u32;
+
+  /*
+   *  The entire workspace is zeroed during its initialization.  Thus, all
+   *  fields not explicitly assigned were explicitly zeroed by
+   *  _Workspace_Initialization.
+   */
+  idle = _Thread_Internal_allocate();
+
+  /*
+   *  This is only called during initialization and we better be sure
+   *  that when _Thread_Initialize unnests dispatch that we do not
+   *  do anything stupid.
+   */
+  _Thread_Disable_dispatch();
+
+  _Thread_Initialize(
+    &_Thread_Internal_information,
+    idle,
+    NULL,        /* allocate the stack */
+    _Stack_Ensure_minimum( Configuration.idle_task_stack_size ),
+    CPU_IDLE_TASK_IS_FP,
+    PRIORITY_MAXIMUM,
+    true,        /* preemptable */
+    THREAD_CPU_BUDGET_ALGORITHM_NONE,
+    NULL,        /* no budget algorithm callout */
+    0,           /* all interrupts enabled */
+    name
+  );
+
+  _Thread_Unnest_dispatch();
+
+  /*
+   *  WARNING!!! This is necessary to "kick" start the system and
+   *             MUST be done before _Thread_Start is invoked.
+   */
+  _Per_CPU_Information[ cpu ].idle      =
+  _Per_CPU_Information[ cpu ].heir      =
+  _Per_CPU_Information[ cpu ].executing = idle;
+
+  _Thread_Start(
+    idle,
+    THREAD_START_NUMERIC,
+    Configuration.idle_task,
+    NULL,
+    0
+  );
+}
+
+void _Thread_Create_idle( void )
+{
+  #if defined(RTEMS_SMP)
+    int cpu;
+
+    for ( cpu=0 ; cpu < _SMP_Processor_count ; cpu++ ) {
+      _Thread_Create_idle_helper(
+        _Objects_Build_name( 'I', 'D', 'L', 'E' ),
+        cpu
+      );
+    }
+  #else
+    _Thread_Create_idle_helper(_Objects_Build_name( 'I', 'D', 'L', 'E' ), 0);
+  #endif
+}