// 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);		

	}