diff -r 000000000000 -r a41df078684a kernel/eka/drivers/hcr/hcr_debug.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/drivers/hcr/hcr_debug.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,98 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Helper functions for debug
+
+#include <e32err.h>
+#include <e32const.h>
+#include <e32def.h>
+#include <e32cmn.h>
+#include <e32des8.h>
+#include <kernel/kernel.h>
+
+
+#include "hcr_debug.h"
+
+/**
+Make a classic hexadecimal dump of the content of an memory region.
+
+@param 	aStartAddress	Pointer of the first byte of the region
+				aLength				Size of the region
+				aAbsolute			If it is TRUE then it displays absolute address where the aStartAddress points
+											If it is FALSE then it displays reltive address from aStartAddress
+
+@pre    Call from thread context (neither NULL, DFC0, DFC1 threads)
+*/    
+void HexDump(TUint8* aStartAddress, TUint32 aLength, TBool aAbsolute)
+	{
+	TUint32 nIndex;
+	TBuf<128> printBuf;	// Buffer for address and values
+	TBuf<32> printBuf2; // Buffer for character representation
+	
+	TUint32 extLength = ((aLength & 0xf) == 0 ? aLength :(aLength & 0xfffffff0)+0x10);
+	
+	for(nIndex = 0; nIndex != extLength ; ++nIndex )
+		{
+		if(nIndex % 16 == 0)	
+			{
+			// A line is ready compose two buffers and print the line out
+			printBuf.Append(_L("    "));
+			printBuf.Append(printBuf2);
+			Kern::Printf("%S", &printBuf);
+			
+			// Start a new line
+			printBuf.Zero();
+			printBuf.Append(_L("0x"));
+			if(aAbsolute)
+				{
+				printBuf.AppendNumFixedWidth((TUint)(aStartAddress + nIndex), EHex,8);	
+				}
+			else
+				{
+				printBuf.AppendNumFixedWidth((TUint)(nIndex), EHex,8);	
+				}
+			
+			printBuf.Append(_L(": "));
+			printBuf2.Zero();
+			}
+			
+		if( nIndex < aLength )
+			{
+			// Active content
+			// Put the value into buffer
+			printBuf.AppendNumFixedWidth(*(aStartAddress + nIndex), EHex,2 );
+			printBuf.Append(TChar(' '));
+			
+			// Put the chracter representation into a second buffer
+			if( *(aStartAddress + nIndex) < ' ' )
+				{
+				printBuf2.Append(TChar('.'));	// Control character
+				}
+			else
+				{
+				printBuf2.Append(TChar(*(aStartAddress + nIndex)));	
+				}	
+			}
+		else
+			{
+			// Fill up content
+			printBuf.Append(_L("   "));		// Fill value place with spaces
+			printBuf2.Append(TChar(' '));	// Fill char representation place with space
+			}
+		}
+	// Print out the rest of the buffer
+	printBuf.Append(_L("    "));
+	printBuf.Append(printBuf2);
+	Kern::Printf("%S\n", &printBuf);		
+	}
+