imgtools/imglib/filesystem/source/fat32bootsector.cpp
changeset 617 3a747a240983
parent 616 24e4ef208cca
child 620 ad8ffc8e1982
--- a/imgtools/imglib/filesystem/source/fat32bootsector.cpp	Wed Jul 14 14:50:01 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,283 +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 FAT32 image. 
-* This class is derived from basebootsector class which is constitutes 
-* the common boot sector fields for FAT16 and FAT32 class. 
-* @internalComponent
-* @released
-*
-*/
-
-#include "fat32bootsector.h"
-
-/**
-Constructor of the fat16 boot sector class
-
-@internalComponent
-@released
-*/
-TFAT32BootSector::TFAT32BootSector()
-{
-}
-
-/**
-Destructor of the fat16 boot sector class
-
-@internalComponent
-@released
-*/
-TFAT32BootSector::~TFAT32BootSector()
-{
-}
-/**
-Set the file system type
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetFileSysType()
-{
-	strcpy(reinterpret_cast<char*>(iFileSysType),"FAT32   ");
-}
-
-
-//Number of entries allowed in the root directory, specific to Fat12/16, zero for FAT32
-void TFAT32BootSector::SetRootDirEntries()
-{
-	iRootDirEntries = KFat32RootDirEntries;;		
-}
-
-
-//Sets the number of reserved sectors on the volume
-void TFAT32BootSector::SetReservedSectors()
-{
-	iReservedSectors = KDefaultFat32ReservedSectors;
-}
-
-/**
-Set the sectors per cluster ratio
-
-@internalComponent
-@released
-
-@param aPartitionSize partition size in bytes
-*/
-void TFAT32BootSector::ComputeSectorsPerCluster(Long64 aPartitionSize)
-{
-	if (aPartitionSize > K32GB)
-	{
-		iSectorsPerCluster = K64SectorsPerCluster;	
-	}
-	else if(aPartitionSize > K16GB)
-	{
-		iSectorsPerCluster = K32SectorsPerCluster;
-	}
-	else if(aPartitionSize > K8GB)
-	{
-		iSectorsPerCluster = K16SectorsPerCluster;
-	}
-	else if ( aPartitionSize > K260MB)
-	{
-		iSectorsPerCluster = K8SectorsPerCluster;	
-	}
-	else 
-	{
-		iSectorsPerCluster = K1SectorsPerCluster;
-	}
-}
-	
-/**
-Set 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 TFAT32BootSector::ComputeFatSectors(Long64 aPartitionSize)
-{
-	int iRootDirSectors = ((iRootDirEntries*32) + (iBytesPerSector - 1)) / iBytesPerSector;
-	int Log2OfBytesPerSector = Log2(iBytesPerSector);
-	Long64 TotalSectors64 = aPartitionSize >> Log2OfBytesPerSector;
-	Long64 tmpval1 = TotalSectors64 - (iReservedSectors + iRootDirSectors);
-	Long64 tmpval2 =(256 * iSectorsPerCluster) + iNumberOfFats;
-	tmpval2 = tmpval2 / 2;
-	Long64 FatSectors = (tmpval1 + (tmpval2 - 1)) / tmpval2;
-	iFatSectors = 0;
-	iFatSectors32 = (unsigned int)FatSectors;
-}
-/**
-Sets the Fat flags
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetExtFlags()
-{
-	iExtFlags = KDefaultExtFlags;
-}
-
-/**
-Returns the Fat flags
-
-@internalComponent
-@released
-
-@return fat flags
-*/
-unsigned short TFAT32BootSector::ExtFlags()
-{
-	return iExtFlags;
-}
-
-/**
-Sets the version number of the file system
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetFileSystemVersion()
-{
-	iFileSystemVersion = KDefaultVersion;
-}
-
-/**
-Returns the version number of the file system
-
-@internalComponent
-@released
-
-@return file system version
-*/
-unsigned short TFAT32BootSector::FileSystemVersion()
-{
-	return iFileSystemVersion;
-}
-
-/**
-Sets the cluster number of the root directory
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetRootCluster()
-{
-	iRootCluster = KDefaultRootDirClusterNumber;
-}
-
-/**
-Returns the cluster number of the root directory
-
-@internalComponent
-@released
-
-@return cluster number allocated to root directory,usually 2.
-*/
-unsigned int TFAT32BootSector::RootCluster()
-{
-	return iRootCluster;
-}
-
-/**
-Set the sector number containing the FSIInfo structure
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetFSInfo()
-{
-	iFSInfo = KDefaultFSInfoSector;
-}
-
-/**
-Returns  the sector number containing the FSIInfo structure
-
-@internalComponent
-@released
-
-@return FSInfo structure
-*/
-unsigned short TFAT32BootSector::FSInfo()
-{
-	return iFSInfo;
-}
-
-/**
-Set the backup boot sector
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetBackUpBootSector()
-{
-	iBackUpBootSector = KDefaultBkUpBootSec;
-}
-
-/**
-Returns the backup boot sector
-
-@internalComponent
-@released
-
-@return backup boot sector
-*/
-unsigned  short TFAT32BootSector::BackUpBootSector()
-{
-	return iBackUpBootSector;
-}
-
-/**
-Reserved for future expansion. Code that formats FAT32 volumes should always 
-set all of the bytes of this field to 0.
-
-@internalComponent
-@released
-*/
-void TFAT32BootSector::SetFutureReserved()
-{
-	for(int i = 0;i < KMaxSizeFutureExpansion;i++)
-	iFutureReserved[i] = 0;
-}
-
-/**
-Returns field value reserved for future expansion
-
-@internalComponent
-@released
-
-@return zero as this field is initialized to null value here
-*/
-unsigned char* TFAT32BootSector::FutureReserved()
-{
-	return iFutureReserved;
-}
-
-
-/**Returns the file system type
-
-@internalComponent
-@released
-
-@return file system type
-*/
-unsigned char* TFAT32BootSector::FileSysType()
-{
-	return iFileSysType;
-}