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// Copyright (c) 1994-2009 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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// e32\memmodel\epoc\direct\x86\xkernel.cpp
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//
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//
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#include <x86_mem.h>
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/********************************************
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* Thread
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********************************************/
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TInt DX86PlatThread::SetupContext(SThreadCreateInfo& anInfo)
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{
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return KErrNone;
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}
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DX86PlatProcess::DX86PlatProcess()
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{}
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DX86PlatProcess::~DX86PlatProcess()
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{
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__KTRACE_OPT(KMMU,Kern::Printf("DX86PlatProcess destruct"));
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DMemModelProcess::Destruct();
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}
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TBool Exc::IsMagic(TLinAddr /*anAddress*/)
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//
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// Return TRUE if anAddress is a 'magic' exception handling instruction
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//
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{
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return EFalse;
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}
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void DThread::IpcExcHandler(TExcTrap* aTrap, DThread* aThread, TAny* aContext)
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{
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aThread->iIpcClient = 0;
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TIpcExcTrap& xt=*(TIpcExcTrap*)aTrap;
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TX86ExcInfo& info=*(TX86ExcInfo*)aContext;
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if (info.iExcId==EX86VectorPageFault)
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{
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TLinAddr va=(TLinAddr)info.iFaultAddress;
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if (va>=xt.iRemoteBase && (va-xt.iRemoteBase)<xt.iSize)
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xt.Exception(KErrBadDescriptor); // problem accessing remote address - 'leave' so an error code will be returned
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if (xt.iLocalBase && va>=xt.iLocalBase && (va-xt.iLocalBase)<xt.iSize)
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NKern::UnlockSystem(); // problem accessing local address - return and panic current thread as usual
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}
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// otherwise return and fault kernel
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}
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