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diff --git a/include/rtems/score/prioritybitmap.h b/include/rtems/score/prioritybitmap.h
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+++ b/include/rtems/score/prioritybitmap.h
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+/**
+ *  @file  rtems/score/prioritybitmap.h
+ *
+ *  @brief Manipulation Routines for the Bitmap Priority Queue Implementation
+ *
+ *  This include file contains all thread priority manipulation routines for
+ *  the bit map priority queue implementation.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2010.
+ *  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.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SCORE_PRIORITYBITMAP_H
+#define _RTEMS_SCORE_PRIORITYBITMAP_H
+
+#include <rtems/score/cpu.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  @defgroup ScorePriorityBitmap Bitmap Priority Thread Routines
+ *
+ *  @ingroup Score
+ */
+/**@{*/
+
+/*
+ *  The definition of the Priority_bit_map_Word type is CPU dependent.
+ *
+ */
+
+typedef struct {
+  /**
+   * @brief Each sixteen bit entry in this word is associated with one of the
+   * sixteen entries in the bit map.
+   */
+  Priority_bit_map_Word major_bit_map;
+
+  /**
+   * @brief Each bit in the bit map indicates whether or not there are threads
+   * ready at a particular priority.
+   *
+   * The mapping of individual priority levels to particular bits is processor
+   * dependent as is the value of each bit used to indicate that threads are
+   * ready at that priority.
+   */
+  Priority_bit_map_Word bit_map[ 16 ];
+} Priority_bit_map_Control;
+
+/**
+ *  The following record defines the information associated with
+ *  each thread to manage its interaction with the priority bit maps.
+ */
+typedef struct {
+  /** This is the address of minor bit map slot. */
+  Priority_bit_map_Word *minor;
+  /** This is the priority bit map ready mask. */
+  Priority_bit_map_Word  ready_major;
+  /** This is the priority bit map ready mask. */
+  Priority_bit_map_Word  ready_minor;
+  /** This is the priority bit map block mask. */
+  Priority_bit_map_Word  block_major;
+  /** This is the priority bit map block mask. */
+  Priority_bit_map_Word  block_minor;
+} Priority_bit_map_Information;
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */