config: Add <rtems/confdefs/extensions.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, 158 insertions, 0 deletions

diff --git a/cpukit/include/rtems/confdefs/extensions.h b/cpukit/include/rtems/confdefs/extensions.h
new file mode 100644
index 0000000000..cf53e0d573
--- /dev/null
+++ b/cpukit/include/rtems/confdefs/extensions.h
@@ -0,0 +1,158 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSApplicationConfiguration
+ *
+ * @brief Evaluate User Extensions Configuration Options
+ */
+
+/*
+ * 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_EXTENSIONS_H
+#define _RTEMS_CONFDEFS_EXTENSIONS_H
+
+#ifndef __CONFIGURATION_TEMPLATE_h
+#error "Do not include this file directly, use <rtems/confdefs.h> instead"
+#endif
+
+#ifdef CONFIGURE_INIT
+
+#include <rtems/confdefs/bsp.h>
+#include <rtems/confdefs/newlib.h>
+#include <rtems/score/userextimpl.h>
+#include <rtems/sysinit.h>
+
+#ifndef CONFIGURE_MAXIMUM_USER_EXTENSIONS
+  #define CONFIGURE_MAXIMUM_USER_EXTENSIONS 0
+#endif
+
+#if CONFIGURE_MAXIMUM_USER_EXTENSIONS > 0
+  #include <rtems/extensiondata.h>
+#endif
+
+#ifdef _CONFIGURE_ENABLE_NEWLIB_REENTRANCY
+  #include <rtems/libcsupport.h>
+#endif
+
+#if CONFIGURE_RECORD_PER_PROCESSOR_ITEMS > 0
+  #include <rtems/confdefs/percpu.h>
+  #include <rtems/record.h>
+#endif
+
+#ifdef CONFIGURE_STACK_CHECKER_ENABLED
+  #include <rtems/stackchk.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(BSP_INITIAL_EXTENSION) \
+ || defined(CONFIGURE_INITIAL_EXTENSIONS) \
+ || defined(CONFIGURE_STACK_CHECKER_ENABLED) \
+ || defined(_CONFIGURE_ENABLE_NEWLIB_REENTRANCY)
+  const User_extensions_Table _User_extensions_Initial_extensions[] = {
+    #if CONFIGURE_RECORD_PER_PROCESSOR_ITEMS > 0 \
+      && defined(CONFIGURE_RECORD_EXTENSIONS_ENABLED)
+      RECORD_EXTENSION,
+    #endif
+    #ifdef _CONFIGURE_ENABLE_NEWLIB_REENTRANCY
+      RTEMS_NEWLIB_EXTENSION,
+    #endif
+    #ifdef CONFIGURE_STACK_CHECKER_ENABLED
+      RTEMS_STACK_CHECKER_EXTENSION,
+    #endif
+    #ifdef CONFIGURE_INITIAL_EXTENSIONS
+      CONFIGURE_INITIAL_EXTENSIONS,
+    #endif
+    #ifdef BSP_INITIAL_EXTENSION
+      BSP_INITIAL_EXTENSION
+    #endif
+  };
+
+  const size_t _User_extensions_Initial_count =
+    RTEMS_ARRAY_SIZE( _User_extensions_Initial_extensions );
+
+  User_extensions_Switch_control _User_extensions_Initial_switch_controls[
+    RTEMS_ARRAY_SIZE( _User_extensions_Initial_extensions )
+  ];
+
+  RTEMS_SYSINIT_ITEM(
+    _User_extensions_Handler_initialization,
+    RTEMS_SYSINIT_INITIAL_EXTENSIONS,
+    RTEMS_SYSINIT_ORDER_MIDDLE
+  );
+#endif
+
+#if CONFIGURE_MAXIMUM_USER_EXTENSIONS > 0
+  EXTENSION_INFORMATION_DEFINE( CONFIGURE_MAXIMUM_USER_EXTENSIONS );
+#endif
+
+#if CONFIGURE_RECORD_PER_PROCESSOR_ITEMS > 0
+  #if (CONFIGURE_RECORD_PER_PROCESSOR_ITEMS & (CONFIGURE_RECORD_PER_PROCESSOR_ITEMS - 1)) != 0
+    #error "CONFIGURE_RECORD_PER_PROCESSOR_ITEMS must be a power of two"
+  #endif
+
+  #if CONFIGURE_RECORD_PER_PROCESSOR_ITEMS < 16
+    #error "CONFIGURE_RECORD_PER_PROCESSOR_ITEMS must be at least 16"
+  #endif
+
+  typedef struct {
+    Record_Control    Control;
+    rtems_record_item Items[ CONFIGURE_RECORD_PER_PROCESSOR_ITEMS ];
+  } Record_Configured_control;
+
+  static Record_Configured_control _Record_Controls[ _CONFIGURE_MAXIMUM_PROCESSORS ];
+
+  const Record_Configuration _Record_Configuration = {
+    CONFIGURE_RECORD_PER_PROCESSOR_ITEMS,
+    &_Record_Controls[ 0 ].Control
+  };
+
+  RTEMS_SYSINIT_ITEM(
+    _Record_Initialize,
+    RTEMS_SYSINIT_RECORD,
+    RTEMS_SYSINIT_ORDER_MIDDLE
+  );
+#endif
+
+#ifdef CONFIGURE_VERBOSE_SYSTEM_INITIALIZATION
+  RTEMS_SYSINIT_ITEM(
+    _Sysinit_Verbose,
+    RTEMS_SYSINIT_RECORD,
+    RTEMS_SYSINIT_ORDER_LAST
+  );
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIGURE_INIT */
+
+#endif /* _RTEMS_CONFDEFS_EXTENSIONS_H */