imgtools/imglib/filesystem/source/fat16bootsector.cpp
changeset 617 3a747a240983
parent 616 24e4ef208cca
child 620 ad8ffc8e1982
--- a/imgtools/imglib/filesystem/source/fat16bootsector.cpp	Wed Jul 14 14:50:01 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,151 +0,0 @@
-/*
-* Copyright (c) 2006-2009 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: 
-* This class represents the boot sector of a FAT16 image. 
-* This class is derived from basebootsector class which is constitutes 
-* the common boot sector fields for FAT16 and FAT32 class. 	
-* @internalComponent
-* @released
-*
-*/
-
-#include "fat16bootsector.h"
-
-/**
-Constructor of the fat16 boot sector class
-
-@internalComponent
-@released
-*/
-TFAT16BootSector::TFAT16BootSector()
-{
-}
-
-/**
-Destructor of the fat16 boot sector class
-
-@internalComponent
-@released
-*/
-TFAT16BootSector::~TFAT16BootSector()
-{
-}
-
-/**
-Set the file system type
-
-@internalComponent
-@released
-*/
-void TFAT16BootSector::SetFileSysType()
-{
-	strcpy(reinterpret_cast<char*>(iFileSysType),"FAT16   ");
-}	
-/**
-returns the file system type
-@return file system type 
-
-@internalComponent
-@released
-*/
-unsigned char* TFAT16BootSector::FileSysType()
-{
-	return iFileSysType;
-}
-
-/**
-Number of entries allowed in the root directory,specific to Fat12/16,
-zero for FAT32
-
-@internalComponent
-@released
-*/
-void TFAT16BootSector::SetRootDirEntries()
-{
-	iRootDirEntries = KDefaultRootDirEntries;;		
-}
-
-/**
-Sets the number of reserved sectors on the volume
-
-@internalComponent
-@released
-*/
-void TFAT16BootSector::SetReservedSectors()
-{
-	iReservedSectors = KDefaultFat16ReservedSectors;
-}
-
-/**
-Computes the sectors per cluster ratio
-To refer this mathematical computation, Please see:
-Microsoft Extensible Firmware Initiative FAT32 File 
-System Specification document
-
-@internalComponent
-@released
-
-@param aPartitionSize partition size in bytes
-*/
-void TFAT16BootSector::ComputeSectorsPerCluster(Long64 aPartitionSize)
-{
-	
-	if(aPartitionSize > K1GB)
-	{
-		iSectorsPerCluster = K64SectorsPerCluster;
-	}
-	else if(aPartitionSize > K512MB)
-	{
-		iSectorsPerCluster = K32SectorsPerCluster;
-	}
-	else if(aPartitionSize > K256MB)
-	{
-		iSectorsPerCluster = K16SectorsPerCluster;
-	}
-	else if(aPartitionSize > K128MB)
-	{
-		iSectorsPerCluster = K8SectorsPerCluster;
-	}
-	else if(aPartitionSize > K16MB)
-	{
-		iSectorsPerCluster = K4SectorsPerCluster;
-	}
-	else 
-	{
-		iSectorsPerCluster = K2SectorsPerCluster;
-	}
-}
-
-/**
-Sectors used for the Fat table
-To refer this mathematical formulae, Please see:
-Microsoft Extensible Firmware Initiative FAT32 File System Specification 
-document
-
-@internalComponent
-@released
-
-@param aPartitionSize partition size
-*/
-void TFAT16BootSector::ComputeFatSectors(Long64 aPartitionSize)
-{
-	int iRootDirSectors = ((iRootDirEntries * 32) + (iBytesPerSector - 1)) / iBytesPerSector;
-	int Log2OfBytesPerSector = Log2(iBytesPerSector);
-	unsigned long TotalSectors64 = (unsigned long)(aPartitionSize >> Log2OfBytesPerSector);
-	unsigned int tmpval1 = TotalSectors64 - (iReservedSectors + iRootDirSectors);
-	unsigned int tmpval2 =(256 * iSectorsPerCluster) + iNumberOfFats;
-	unsigned int FatSectors =(tmpval1 + (tmpval2 - 1)) / tmpval2;
-	iFatSectors = (unsigned short)FatSectors;	
-	iFatSectors32 = 0;
-}