config: Add _Thread_Idle_stack_size

Move the idle thread stack size configuration constant out of the
configuration table.

Add THREAD_IDLE_STACK_SIZE_DEFAULT and use it to provide a default
definition of the idle thread stack size constant.

Update #3875.

1 files changed, 65 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/threadidledata.h b/cpukit/include/rtems/score/threadidledata.h
new file mode 100644
index 0000000000..0011776ffa
--- /dev/null
+++ b/cpukit/include/rtems/score/threadidledata.h
@@ -0,0 +1,65 @@
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreThread
+ *
+ * @brief Constants for the idle threads.
+ */
+
+/*
+ * 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.
+ */
+
+#ifndef _RTEMS_SCORE_THREADIDLEDATA_H
+#define _RTEMS_SCORE_THREADIDLEDATA_H
+
+#include <rtems/score/basedefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup RTEMSScoreThread
+ *
+ * @{
+ */
+
+/**
+ * @brief The idle thread stack size in bytes.
+ *
+ * This constant is defined by the application configuration via
+ * <rtems/confdefs.h>.
+ */
+extern const size_t _Thread_Idle_stack_size;
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTEMS_SCORE_THREADIDLEDATA_H */