--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/memmodel/epoc/direct/arm/xkernel.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,88 @@
+// Copyright (c) 1994-2009 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\memmodel\epoc\direct\arm\xkernel.cpp
+// 
+//
+
+#include "arm_mem.h"
+
+/********************************************
+ * Thread
+ ********************************************/
+
+TInt DArmPlatThread::SetupContext(SThreadCreateInfo& anInfo)
+	{
+#ifndef __SMP__
+	if(iThreadType==EThreadUser)
+		iNThread.iSpare3 /*iUserContextType*/ = NThread::EContextUndefined;
+#endif
+	return KErrNone;
+	}
+
+DArmPlatProcess::DArmPlatProcess()
+	{}
+
+DArmPlatProcess::~DArmPlatProcess()
+	{
+	__KTRACE_OPT(KMMU,Kern::Printf("DArmPlatProcess destruct"));
+	DMemModelProcess::Destruct();
+	}
+
+TBool Exc::IsMagic(TLinAddr /*anAddress*/)
+//
+// Return TRUE if anAddress is a 'magic' exception handling instruction
+//
+	{
+	return EFalse;
+	}
+
+void DThread::IpcExcHandler(TExcTrap* aTrap, DThread* aThread, TAny* aContext)
+	{
+	aThread->iIpcClient = 0;
+	TIpcExcTrap& xt=*(TIpcExcTrap*)aTrap;
+	TArmExcInfo& info=*(TArmExcInfo*)aContext;
+	if (info.iExcCode==EArmExceptionDataAbort)
+		{
+		TUint32 opcode = *(TUint32*)info.iR15;		// faulting instruction
+		if (opcode>=0xf0000000)
+			return;									// not a load/store so fault the kernel
+		TUint32 opc1 = (opcode>>25)&7;
+		TBool load;
+		if ( (opc1==2) || (opc1==4) || (opc1==3 && !(opcode&0x10)) )
+			load=opcode & 0x00100000;				// bit 20=1 for load, 0 for store
+		else if (opc1==0)
+			{
+			TUint32 opc2 = (opcode>>4)&0xf;
+			if (opc2==0x0b)
+				load=opcode & 0x00100000;			// bit 20=1 for load, 0 for store
+			else if ((opc2&0x0d)==0x0d)
+				{
+				if (opcode&0x00100000)
+					load=ETrue;						// LDRSB/LDRSH
+				else
+					load=(opcode&0x20)^0x20;		// LDRD/STRD, bit5=1 for STRD, 0 for LDRD
+				}
+			else
+				return;								// not a load/store so fault the kernel
+			}
+		else
+			return;									// not a load/store so fault the kernel
+
+		if ((load && !xt.iDir) || (!load && xt.iDir))
+			xt.Exception(KErrBadDescriptor);	// problem accessing remote address - 'leave' so an error code will be returned
+		NKern::UnlockSystem();			// else assume problem accessing local address - return and panic current thread as usual
+		}
+	// otherwise return and fault kernel
+	}
+