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diff --git a/src/usr/diag/prdf/common/plat/prdfMemoryMru.H b/src/usr/diag/prdf/common/plat/prdfMemoryMru.H
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+++ b/src/usr/diag/prdf/common/plat/prdfMemoryMru.H
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+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/diag/prdf/common/plat/prdfMemoryMru.H $               */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2008,2012              */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#ifndef prdfMemoryMru_H
+#define prdfMemoryMru_H
+
+/** @file  prdfMemoryMru.H
+ */
+
+#include <stdint.h>
+
+#ifndef CONTEXT_x86_nfp
+    #include <targeting/common/target.H>
+#endif
+
+class PrdfMemoryMru
+{
+  public:
+
+    /**
+     * @brief Used to specify the PrdfMemoryMru type.
+     *
+     * One requirement for all memory MRUs is that it must be able to be
+     * converted into a 32-bit representation of the object. This number is then
+     * passed around is different places, one in particular is word 9 of the
+     * SRC. Eventually, data will need to be retrieved from the number. Since
+     * the structure of each memory MRU may change, bits[0:2] of the 32-bit
+     * number is reserved for the version type of the memory MRU. Based on the
+     * version a new memory MRU can be constructed.
+     *
+     * NOTE: The reason MEMMRU_ECLIPZ starts with 3 is because in the original
+     *       P6 memory MRU there was a 4-bit field for the version type in which
+     *       the value was 6 (for P6). To save as much space as possible the
+     *       version field was reduced to 3 bits and the P6 version as changed
+     *       to 3. Thus, saving a bit of space without compromising the value of
+     *       that field.
+     */
+    enum PrdfMemMruVersion
+    {
+        MEMMRU_INVALID = 0, ///< An invalid memory MRU
+        MEMMRU_ECLIPZ  = 3, ///< A P6 MC memory MRU
+        MEMMRU_APOLLO  = 5, ///< A P7 MC memory MRU
+    };
+
+  public:
+
+    /**
+     * @brief Default contructor.
+     */
+    PrdfMemoryMru() : iv_memMruUint32( 0 ) {}
+
+    /**
+     * @brief Constructor from 32-bit representation of a memory MRU.
+     * @param i_memMruUint32 A 32-bit representation of a memory MRU.
+     */
+    explicit PrdfMemoryMru( uint32_t i_memMruUint32 ) :
+        iv_memMruUint32( i_memMruUint32 )
+    {}
+
+    /**
+     * @brief Default destructor.
+     */
+    virtual ~PrdfMemoryMru() {}
+
+    /**
+     * @brief  Returns the 32-bit representation of this memory MRU.
+     * @return The 32-bit representation of this memory MRU.
+     */
+    virtual uint32_t toUint32() const
+    { return iv_memMruUint32; }
+
+#ifndef CONTEXT_x86_nfp
+
+    /**
+     * @brief  Returns a list of targets that are represented by this
+     *         memory MRU.
+     * @return The number of targets in the callout list  is returned.
+     */
+    virtual TARGETING::TargetHandleList getCalloutList() const;
+
+#endif
+
+  private:
+
+    /** The 32-bit representation of this memory MRU. */
+    uint32_t iv_memMruUint32;
+
+};
+
+#endif /* prdfMemoryMru_H */
+