// Copyright (c) 1996-2009 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:

// e32\kernel\exstart.cpp

// 

//

#include "plat_priv.h"

#include <e32uid.h>

enum TStartFault

	{

	EIniCreateSecondary1=0,

	EIniCreateSecondary2=1,

	EIniCreateSecondary3=2,

	};

void Fault(TStartFault aFault)

	{

	Kern::Fault("EXSTART",aFault);

	}

void StartSecondary(TAny*);

GLDEF_D TDfc StartSecondaryDfc(&StartSecondary, NULL, Kern::SvMsgQue(), 0);

#ifdef __EPOC32__

_LIT(KSecondaryFullPathName,"z:\\sys\\bin\\efile.exe");

TInt SecondaryInfo(TProcessCreateInfo& aInfo)

//

// Provide loader information for the secondary process from the ROM

//

	{

    TRomEntry *pE=(TRomEntry*)Epoc::RomHeader().iSecondaryFile;

	TRomImageHeader& secondary=*(TRomImageHeader*)pE->iAddressLin;

	Epoc::RomProcessInfo(aInfo, secondary);

	aInfo.iFileName=KSecondaryFullPathName;

	aInfo.iRootNameOffset=11;

	aInfo.iRootNameLength=9;

	aInfo.iExtOffset=16;

	return KErrNone;

	}

#else

#include <property.h>

#include <emulator.h>

_LIT(KSecondaryFullPathName,"EFile.exe");

TInt SecondaryInfo(TProcessCreateInfo& aInfo)

//

// Provide loader information for the secondary process

// We know this is efile.exe, so interrogate this image file

//

	{

	memclr(&aInfo.iUids, sizeof(TProcessCreateInfo)-sizeof(aInfo.iFileName));

	aInfo.iFileName=KSecondaryFullPathName;

	aInfo.iRootNameOffset=0;

	aInfo.iRootNameLength=9;

	aInfo.iExtOffset=5;

	//TFileName name;

	TUint16 wName[KMaxFileName];

	TUint16 wFileName[KMaxFileName];

	TUint8* ptr8=(TUint8*)aInfo.iFileName.Ptr();

	for(int i=0;i<aInfo.iFileName.Length();i++)

		wFileName[i] = (TUint16)*ptr8++;

	TPtrC ptrFile((TUint8*)wFileName,aInfo.iFileName.Length()<<1);

	TPtr ptrName((TUint8*)wName,KMaxFileName<<1);

	Property::MapFilename(ptrName, ptrFile);

	//Property::MapFilename(name, aInfo.iFileName);

	wName[ptrName.Length()>>1] = '\0';

	Emulator::RImageFile pefile;

	TInt r = pefile.Open((LPCTSTR)wName);

	if (r == KErrNone)

		{

		pefile.GetInfo(aInfo);

		pefile.Close();

		}

	return r;

	}

#endif

void StartSecondary(TAny*)

	{

//

// First we need to setup the creation info for the secondary process.

//

	__KTRACE_OPT(KBOOT,Kern::Printf("Starting secondary"));

	TProcessCreateInfo info;

	TInt r = SecondaryInfo(info);

	__ASSERT_ALWAYS(r==KErrNone,Fault(EIniCreateSecondary2));

	__KTRACE_OPT(KBOOT, Kern::Printf("FS entrypoint %08x",info.iFileEntryPoint));

	__KTRACE_OPT(KBOOT, Kern::Printf("FS data size %08x",info.iDataSize));

	__KTRACE_OPT(KBOOT, Kern::Printf("FS bss size %08x",info.iBssSize));

	DProcess* pP=NULL;

	HBuf* cmd=NULL;

	r=Kern::ProcessCreate(pP, info, cmd, NULL);

	__ASSERT_ALWAYS(r==KErrNone,Fault(EIniCreateSecondary3));

 	__KTRACE_OPT(KBOOT,Kern::Printf("Secondary created"));

	pP->Loaded(info);

	pP->iFlags = KProcessFlagSystemPermanent|KProcessFlagSystemCritical;

	pP->FirstThread()->iFlags |= KThreadFlagSystemPermanent;

	// Start the secondary

	NKern::LockSystem();

	pP->Resume();

	NKern::UnlockSystem();

	__KTRACE_OPT(KBOOT,Kern::Printf("Resumed secondary"));

	}

DECLARE_STANDARD_EXTENSION()

	{

	__KTRACE_OPT(KBOOT,Kern::Printf("Launching secondary"));

	StartSecondaryDfc.Enque();

	return KErrNone;

	}