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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// TOC Partition Management for Embedded MMC devices
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//
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//
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#ifndef __EMMC_TOC_H__
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#define __EMMC_TOC_H__
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#include <emmcptn.h>
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// TOC item
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const TUint KMaxItemNameLen = 12;
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struct STocItem
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{
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TUint32 iStart;
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TUint32 iSize;
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TUint32 iFlags;
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TUint32 iAlign;
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TUint32 iLoadAddress;
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TText8 iFileName[KMaxItemNameLen];
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};
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//- Constants ---------------------------------------------------------------
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const TUint32 KTocStartSector = 1280; // TOC starts from 0xA0000 / 0x200
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const TText8 KTocRofsName[] = "SOS-ROFS";
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const TText8 KTocRofsName1[] = "SOS+ROFS";
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const TText8 KTocRofsExtName[] = "SOS-ROFX";
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const TText8 KTocRofsGeneric[] = "ROFS";
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const TText8 KTocRomGeneric[] = "SOS+CORE";
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const TText8 KTocCps[] = "SOS-CPS";
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const TText8 KTocRofsExtGeneric[] = "ROFX";
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const TText8 KTocSwap[] = "SOS-SWAP";
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const TText8 KTocUserName[] = "SOS-USER";
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const TText8 KTocCrashLog[] = "SOS-CRASH";
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const TText8 KTocToc[] = "TOC";
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const TText8 KTocSosToc[] = "SOS-TOC";
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const TUint8 KMaxNbrOfTocItems = 16;
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const TUint8 KXMaxNbrOfTocItems = 16;
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const TUint32 KEndOfToc = 0xFFFFFFFFUL;
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const TText8 KTocRofs1Generic[] = "ROFS1";
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const TText8 KTocRofs2Generic[] = "ROFS2";
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const TText8 KTocRofs3Generic[] = "ROFS3";
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const TText8 KTocRofs4Generic[] = "ROFS4";
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const TText8 KTocRofs5Generic[] = "ROFS5";
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const TText8 KTocRofs6Generic[] = "ROFS6";
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const TUint KNoOfROFSPartitions = 6;
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const TInt KSectorShift = 9;
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300
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// Version Info const and enums
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enum
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{
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EHalGroupNandMedia = 28
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};
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/**
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The number of nand media attributes.
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It is simply defined by its position in the enumeration.
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*/
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enum TNandMediaHalFunction
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{
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EEraseBlockSize=1, /// nand device block size
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EIsEraseNeedBeforeWrite, /// erase command is mandatory before write
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EAtomicWriteSize, /// minimal size of data what can be written
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EGetVersionInfoItems=0x10, /// total amount of items in version info structure
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EGetVersionInfo /// get version info structure array from media driver
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};
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/**
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The nand media devices enumeration.
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*/
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enum
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{
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ENandMediaDevice1=1 /// nand device1
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};
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const TUint8 KMaxSectionItems = 32;
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const TUint8 KMaxSectionNameLen = 12;
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const TUint8 KMaxVersionInfoLen = 28;
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const TUint32 KImageHeaderMagic = 0x31DEEAE8UL;
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// Image header always located after BB5_CommonHeader
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const TUint32 KImageHeaderOffset = 0x3D0;
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struct TVersionInfoItem
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{
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TText8 iSectionName[KMaxSectionNameLen];
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TUint32 iSectionMaxSize;
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TUint32 iImageCompressedSize;
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TUint32 iImageSize;
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TText8 iVersion[KMaxVersionInfoLen];
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};
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// Image header
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// It is added after BB5_Common_Header
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struct TImageHeader
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{
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TUint32 iMagic;
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TUint32 iImageCompressedSize;
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TUint32 iImageSize;
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TUint32 iLoadAddress;
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TUint32 iReserved;
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TText8 iVersion[KMaxVersionInfoLen];
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};
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/**
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TOC access for kernel side clients.
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*/
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class Toc
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{
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public:
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/**
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* Search entry in TOC with aName as part of ItemName.
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* @return KErrNone if successful
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*/
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TInt GetItemByName(const TText8* aName, STocItem& aItem);
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public:
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/** Array for keep whole TOC */
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STocItem iTOC[KMaxNbrOfTocItems];
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/** Offset of TOC from beginning*/
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TUint32 iTocStartSector;
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};
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#endif // __EMMC_TOC_H__
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