config: Add _Thread_Idle_body

Move the idle thread body configuration constant out of the
configuration table.

Provide a default definition of the idle thread body constant.

Update #3875.

2 files changed, 36 insertions, 2 deletions

diff --git a/cpukit/score/src/threadcreateidle.c b/cpukit/score/src/threadcreateidle.c
index 66ed92702e..52c3ad4534 100644
--- a/cpukit/score/src/threadcreateidle.c
+++ b/cpukit/score/src/threadcreateidle.c
@@ -25,7 +25,6 @@
 #include <rtems/score/stackimpl.h>
 #include <rtems/score/sysstate.h>
 #include <rtems/score/userextimpl.h>
-#include <rtems/config.h>
 
 #include <string.h>
 
@@ -79,7 +78,7 @@ static void _Thread_Create_idle_for_CPU( Per_CPU_Control *cpu )
 
   idle->is_idle = true;
   idle->Start.Entry.adaptor = _Thread_Entry_adaptor_idle;
-  idle->Start.Entry.Kinds.Idle.entry = rtems_configuration_get_idle_task();
+  idle->Start.Entry.Kinds.Idle.entry = _Thread_Idle_body;
 
   _Thread_Load_environment( idle );
 
diff --git a/cpukit/score/src/threadidledefault.c b/cpukit/score/src/threadidledefault.c
new file mode 100644
index 0000000000..6babe25d70
--- /dev/null
+++ b/cpukit/score/src/threadidledefault.c
@@ -0,0 +1,35 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/threadidledata.h>
+#include <rtems/score/cpu.h>
+
+const Thread_Idle_body _Thread_Idle_body = _CPU_Thread_Idle_body;