config: Add <rtems/confdefs/wkspacesupport.h>

Remove all comments and copyrightable content from the moved content.
Use BSD-2-Clause license for new file.

Update #3053.
Update #3875.

1 files changed, 64 insertions, 0 deletions

diff --git a/cpukit/include/rtems/confdefs/wkspacesupport.h b/cpukit/include/rtems/confdefs/wkspacesupport.h
new file mode 100644
index 0000000000..3dfb3b0d79
--- /dev/null
+++ b/cpukit/include/rtems/confdefs/wkspacesupport.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSApplicationConfiguration
+ *
+ * @brief Configuration Options Workspace Support Macros
+ */
+
+/*
+ * 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_CONFDEFS_WKSPACESUPPORT_H
+#define _RTEMS_CONFDEFS_WKSPACESUPPORT_H
+
+#ifndef __CONFIGURATION_TEMPLATE_h
+#error "Do not include this file directly, use <rtems/confdefs.h> instead"
+#endif
+
+#ifdef CONFIGURE_INIT
+
+#include <rtems/score/heap.h>
+
+#define _Configure_Zero_or_one( _number ) ( ( _number ) != 0 ? 1 : 0 )
+
+#define _Configure_Align_up( _val, _align ) \
+  ( ( ( _val ) + ( _align ) - 1) - ( ( _val ) + ( _align ) - 1 ) % ( _align ) )
+
+#define _CONFIGURE_HEAP_MIN_BLOCK_SIZE \
+  _Configure_Align_up( sizeof( Heap_Block ), CPU_HEAP_ALIGNMENT )
+
+#define _Configure_From_workspace( _size ) \
+  ( (uintptr_t) ( _Configure_Zero_or_one( _size ) \
+    * _Configure_Align_up( \
+       _size + HEAP_BLOCK_HEADER_SIZE, \
+      _CONFIGURE_HEAP_MIN_BLOCK_SIZE \
+    ) ) )
+
+#endif /* CONFIGURE_INIT */
+
+#endif /* _RTEMS_CONFDEFS_WKSPACESUPPORT_H */