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diff --git a/cpukit/rtems/include/rtems/rtems/modes.h b/cpukit/rtems/include/rtems/rtems/modes.h
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+/**
+ * @file rtems/rtems/modes.h
+ *
+ * This include file contains all constants and structures associated
+ * with the RTEMS thread and RTEMS_ASR modes.
+ */
+
+/* COPYRIGHT (c) 1989-2008.
+ * 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.
+ *
+ * $Id$
+ */
+
+#ifndef _RTEMS_RTEMS_MODES_H
+#define _RTEMS_RTEMS_MODES_H
+
+/**
+ * @defgroup ClassicModes Modes
+ *
+ * @ingroup ClassicRTEMS
+ *
+ * This encapsulates functionality which XXX
+ */
+/**@{*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/score/isr.h>
+
+/**
+ * The following type defines the control block used to manage
+ * each a mode set.
+ */
+typedef uint32_t Modes_Control;
+
+/**
+ * The following constants define the individual modes and masks
+ * which may be used to compose a mode set and to alter modes.
+ */
+#define RTEMS_ALL_MODE_MASKS 0x0000ffff
+
+/**
+ * This mode constant is the default mode set.
+ */
+#define RTEMS_DEFAULT_MODES 0x00000000
+
+/**
+ * This mode constant is used when the user wishes to obtain their
+ * current execution mode.
+ */
+#define RTEMS_CURRENT_MODE 0
+
+/** This mode constant corresponds to the timeslice enable/disable bit. */
+#define RTEMS_TIMESLICE_MASK 0x00000200
+
+/** This mode constant corresponds to the preemption enable/disable bit. */
+#define RTEMS_PREEMPT_MASK 0x00000100
+
+/** This mode constant corresponds to the signal enable/disable bit. */
+#define RTEMS_ASR_MASK 0x00000400
+
+/** This mode constant corresponds to the interrupt enable/disable bits. */
+#define RTEMS_INTERRUPT_MASK CPU_MODES_INTERRUPT_MASK
+
+/** This mode constant is used to indicate preemption is enabled. */
+#define RTEMS_PREEMPT 0x00000000
+/** This mode constant is used to indicate preemption is disabled. */
+#define RTEMS_NO_PREEMPT 0x00000100
+
+/** This mode constant is used to indicate timeslicing is disabled. */
+#define RTEMS_NO_TIMESLICE 0x00000000
+/** This mode constant is used to indicate timeslicing is enabled. */
+#define RTEMS_TIMESLICE 0x00000200
+
+/** This mode constant is used to indicate signal processing is enabled. */
+#define RTEMS_ASR 0x00000000
+/** This mode constant is used to indicate signal processing is disabled. */
+#define RTEMS_NO_ASR 0x00000400
+
+/**
+ * @brief RTEMS_INTERRUPT_LEVEL
+ *
+ * This function returns the processor dependent interrupt
+ * level which corresponds to the requested interrupt level.
+ *
+ * @note RTEMS supports 256 interrupt levels using the least
+ * significant eight bits of MODES.CONTROL. On any
+ * particular CPU, fewer than 256 levels may be supported.
+ */
+#define RTEMS_INTERRUPT_LEVEL( _mode_set ) \
+ ( (_mode_set) & RTEMS_INTERRUPT_MASK )
+
+
+#ifndef __RTEMS_APPLICATION__
+#include <rtems/rtems/modes.inl>
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/
+
+#endif
+/* end of include file */