--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/d_shadow.h	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,206 @@
+// Copyright (c) 1997-2009 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:
+// e32test\mmu\d_shadow.h
+// 
+//
+
+#if !defined(__D_SHADOW_H__)
+#define __D_SHADOW_H__
+#include <e32cmn.h>
+#ifndef __KERNEL_MODE__
+#include <e32std.h>
+#endif
+
+
+enum TMemModel
+	{
+	EMemModelOther,
+	EMemModelMoving,
+	EMemModelMultiple,
+	EMemModelFlexible
+	};
+	
+enum TCpu
+	{
+	ECpuUnknown,
+	ECpuArm,
+	ECpuX86
+	};
+	
+	
+#ifdef __KERNEL_MODE__
+
+// Memory Model Architecture
+
+#ifdef __CPU_X86
+	const TUint KPageDirectorySize = 1024;
+	const TUint KMaxNumberOfPageDirectories = 1024;
+	const TUint KPsudoX86TTBCR = 512;
+
+#else 
+	const TUint KPageDirectorySize = 4096;  // Full size (ttbr0+ttbr1)
+	const TUint KMaxNumberOfPageDirectories = 256;
+#endif
+
+#if defined(__MEMMODEL_MOVING__)
+	const TUint KPageDirectoryBase = 0x61000000;
+	const TUint KPageTableBase = 0x62000000;
+	const TMemModel  KMemoryModel = EMemModelMoving;
+	
+#elif defined(__MEMMODEL_MULTIPLE__)
+	const TUint KPageDirectoryBase = 0xC1000000;
+	const TUint KPageTableBase = 0xC2000000;
+	const TMemModel  KMemoryModel = EMemModelMultiple;
+
+#elif defined(__MEMMODEL_FLEXIBLE__)
+	const TUint KPageDirectoryBase = 0xF4000000u;
+	const TUint KPageTableBase = 0xF8000000u;
+	const TMemModel  KMemoryModel = EMemModelFlexible;
+	
+#else // other memory model
+	const TUint KPageDirectoryBase = 0x00000000;
+	const TUint KPageTableBase = 0x00000000;
+	const TMemModel  KMemoryModel = EMemModelOther;
+#endif
+
+#endif
+
+
+
+class TCapsShadowV01
+	{
+public:
+	TVersion	iVersion;
+	};
+
+	const TUint KGlobalPageDirectory=0xFFFFFFFF;
+	const TUint KErrNoPageTable = 0x80000000;
+	const TUint KPageOffsetMask = 0x7FFFFFFF;
+
+class RShadow : public RBusLogicalChannel
+	{
+public:
+	enum TControl
+		{
+		EControlAllocShadow,
+		EControlFreeShadow,
+		EControlWriteShadow,
+		EControlFreezeShadow,
+		EControlSetPriority,
+		EControlRead,
+		EControlMmuId,
+		EControlCacheType,
+		EControlMeasureKernStackUse,
+		EControlMeasureKernHeapFree,
+		EControlWalkHeap,
+		EControlCallFunction,
+		EControlAllocPhys,
+		EControlFreePhys,
+		EControlClaimPhys,
+		EControlGetMemoryArchitecture,
+		EControlGetMemModelInfo,
+		EControlGetPdInfo		
+		};
+		
+public:
+	inline TInt Open();
+	inline TInt Alloc(TUint anAddr);				// allocate a shadow ROM page
+	inline TInt Free(TUint anAddr);					// free a shadow ROM page
+	inline TInt Write(TUint anAddr, TAny* aSrc);	// write to a shadow ROM page
+	inline TInt Freeze(TUint anAddr);				// freeze a shadow ROM page
+	inline TInt SetPriority(TInt aHandle, TInt aPriority);
+	inline TUint Read(TUint aLinAddr);
+	inline TUint MmuId();
+	inline TUint CacheType();
+	inline TInt KernStackUsed();
+	inline TInt KernHeapFree();
+	inline void WalkHeap(TInt aThreadHandle);
+	inline TInt CallFunction(TThreadFunction aFunction, TAny* aPtr);
+	inline TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign);
+	inline TInt FreePhysicalRam(TUint32 aAddr, TInt aSize);
+	inline TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize);
+	inline void GetMemoryArchitecture(TCpu &aCpu, TUint &aCR);
+	inline TMemModel GetMemModelInfo(TUint &aPageTable, TUint &aNumPds);
+	inline TInt GetPdInfo(TUint aPdNo, TUint &aPdSize, TUint &aPdBase, TUint &aOffset);
+	};
+
+
+#ifndef __KERNEL_MODE__
+inline TInt RShadow::Open()
+	{
+	return DoCreate(_L("Shadow"),TVersion(0,1,1),KNullUnit,NULL,NULL);
+	}
+
+inline TInt RShadow::Alloc(TUint anAddr)
+	{ return DoControl(EControlAllocShadow,(TAny*)anAddr); }
+
+inline TInt RShadow::Free(TUint anAddr)
+	{ return DoControl(EControlFreeShadow,(TAny*)anAddr); }
+
+inline TInt RShadow::Write(TUint anAddr, TAny *aSrc)
+	{ return DoControl(EControlWriteShadow,(TAny*)anAddr,aSrc); }
+
+inline TInt RShadow::Freeze(TUint anAddr)
+	{ return DoControl(EControlFreezeShadow,(TAny*)anAddr); }
+
+inline TInt RShadow::SetPriority(TInt aHandle, TInt aPriority)
+	{ return DoControl(EControlSetPriority, (TAny*)aHandle, (TAny*)aPriority); }
+
+inline TUint RShadow::Read(TUint aLinAddr)
+	{ return DoControl(EControlRead, (TAny*)aLinAddr); }
+
+inline TUint RShadow::MmuId()
+	{ return DoControl(EControlMmuId); }
+
+inline TUint RShadow::CacheType()
+	{ return DoControl(EControlCacheType); }
+
+inline TInt RShadow::KernStackUsed()
+	{ return DoControl(EControlMeasureKernStackUse); }
+
+inline TInt RShadow::KernHeapFree()
+	{ return DoControl(EControlMeasureKernHeapFree); }
+
+inline void RShadow::WalkHeap(TInt aThreadHandle)
+	{ DoControl(EControlWalkHeap,(TAny*)aThreadHandle); }
+
+inline TInt RShadow::CallFunction(TThreadFunction aFunction, TAny* aPtr)
+	{ return DoControl(EControlCallFunction, (TAny*)aFunction, aPtr); }
+
+inline TInt RShadow::AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign)
+	{ TInt r=DoControl(EControlAllocPhys, (TAny*)aSize, (TAny*)aAlign); if (r>=0) aAddr=TUint32(r)<<4; return r<0?r:KErrNone; }
+
+inline TInt RShadow::FreePhysicalRam(TUint32 aAddr, TInt aSize)
+	{ return DoControl(EControlFreePhys, (TAny*)aAddr, (TAny*)aSize); }
+
+inline TInt RShadow::ClaimPhysicalRam(TUint32 aAddr, TInt aSize)
+	{ return DoControl(EControlClaimPhys, (TAny*)aAddr, (TAny*)aSize); }
+	
+inline void RShadow::GetMemoryArchitecture(TCpu &aCpu, TUint &aCR)
+	{ DoControl(EControlGetMemoryArchitecture, (TAny*) &aCpu, (TAny*) &aCR); }
+
+inline TMemModel RShadow::GetMemModelInfo(TUint &aPageTable, TUint &aNumPds)
+	{ return (TMemModel) DoControl(EControlGetMemModelInfo,(TAny*) &aPageTable, (TAny*) &aNumPds); }
+
+inline TInt RShadow::GetPdInfo(TUint aPdNo, TUint &aPdSize, TUint &aPdBase, TUint &aOffset)
+	{
+	aPdSize=aPdNo;
+	TUint ret= (TUint) DoControl(EControlGetPdInfo,(TAny*) &aPdSize, (TAny*) &aPdBase);
+	aOffset =  ret & KPageOffsetMask;
+	return (ret & KErrNoPageTable)?KErrNotFound:KErrNone;
+	}
+	
+#endif
+
+#endif