diff --git a/src/register/prdfRegisterCache.C b/src/register/prdfRegisterCache.C
new file mode 100644
index 0000000..e7d29ff
--- /dev/null
+++ b/src/register/prdfRegisterCache.C
@@ -0,0 +1,123 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/diag/prdf/common/framework/register/prdfRegisterCache.C $ */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2012,2017                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#include <prdfRegisterCache.H>
+#include <iipconst.h>
+
+namespace PRDF
+{
+
+//------------------------------------------------------------------------------
+
+RegDataCache & RegDataCache::getCachedRegisters()
+{
+    return PRDF_GET_SINGLETON( ReadCache );
+}
+
+//------------------------------------------------------------------------------
+
+RegDataCache::~RegDataCache()
+{
+    flush();
+}
+
+//------------------------------------------------------------------------------
+
+BitString & RegDataCache::read( ExtensibleChip * i_chip,
+                                       const SCAN_COMM_REGISTER_CLASS * i_reg )
+{
+    ScomRegisterAccess l_scomAccessKey ( *i_reg, i_chip );
+    BitString * l_pBitString = queryCache( l_scomAccessKey );
+
+    if ( NULL == l_pBitString )
+    {
+        // Creating new entry
+        l_pBitString = new BitStringBuffer( i_reg->GetBitLength() );
+        // Adding register in the cache
+        iv_cachedRead[l_scomAccessKey] = l_pBitString;
+    }
+
+    return *l_pBitString;
+}
+
+//------------------------------------------------------------------------------
+
+void RegDataCache::flush()
+{
+    for ( CacheDump::iterator it = iv_cachedRead.begin();
+          it != iv_cachedRead.end(); it++ )
+    {
+        // Freeing up the bit string memory reserved on heap
+        delete it->second;
+    }
+
+    // Deleting all the entry from the cache
+    iv_cachedRead.clear();
+}
+
+//------------------------------------------------------------------------------
+
+void RegDataCache::flush( ExtensibleChip* i_pChip,
+                          const SCAN_COMM_REGISTER_CLASS * i_pRegister )
+{
+    ScomRegisterAccess l_scomAccessKey ( *i_pRegister,i_pChip );
+    // Find the entries associated with the given target in the map
+    CacheDump::iterator it = iv_cachedRead.find( l_scomAccessKey );
+
+    // If entry exists delete the entry for given scom address
+    if ( it !=iv_cachedRead.end() )
+    {
+        delete it->second;
+        iv_cachedRead.erase( it );
+    }
+}
+
+//------------------------------------------------------------------------------
+
+BitString * RegDataCache::queryCache(
+                            ExtensibleChip* i_pChip,
+                            const SCAN_COMM_REGISTER_CLASS * i_pRegister )const
+{
+    ScomRegisterAccess l_scomAccessKey ( *i_pRegister,i_pChip );
+    return queryCache( l_scomAccessKey );
+}
+
+//------------------------------------------------------------------------------
+
+BitString * RegDataCache::queryCache(
+                        const ScomRegisterAccess & i_scomAccessKey ) const
+{
+    BitString * l_pBitString = NULL;
+    CacheDump::const_iterator itDump = iv_cachedRead.find( i_scomAccessKey );
+    if( iv_cachedRead.end() != itDump )
+    {
+        l_pBitString = itDump->second ;
+    }
+
+    return l_pBitString;
+}
+
+//------------------------------------------------------------------------------
+}// end namespace  PRDF