os/kernelhwsrv/kerneltest/e32test/mmu/d_shadow.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // e32test\mmu\d_shadow.h
    15 // 
    16 //
    17 
    18 #if !defined(__D_SHADOW_H__)
    19 #define __D_SHADOW_H__
    20 #include <e32cmn.h>
    21 #ifndef __KERNEL_MODE__
    22 #include <e32std.h>
    23 #endif
    24 
    25 
    26 enum TMemModel
    27 	{
    28 	EMemModelOther,
    29 	EMemModelMoving,
    30 	EMemModelMultiple,
    31 	EMemModelFlexible
    32 	};
    33 	
    34 enum TCpu
    35 	{
    36 	ECpuUnknown,
    37 	ECpuArm,
    38 	ECpuX86
    39 	};
    40 	
    41 	
    42 #ifdef __KERNEL_MODE__
    43 
    44 // Memory Model Architecture
    45 
    46 #ifdef __CPU_X86
    47 	const TUint KPageDirectorySize = 1024;
    48 	const TUint KMaxNumberOfPageDirectories = 1024;
    49 	const TUint KPsudoX86TTBCR = 512;
    50 
    51 #else 
    52 	const TUint KPageDirectorySize = 4096;  // Full size (ttbr0+ttbr1)
    53 	const TUint KMaxNumberOfPageDirectories = 256;
    54 #endif
    55 
    56 #if defined(__MEMMODEL_MOVING__)
    57 	const TUint KPageDirectoryBase = 0x61000000;
    58 	const TUint KPageTableBase = 0x62000000;
    59 	const TMemModel  KMemoryModel = EMemModelMoving;
    60 	
    61 #elif defined(__MEMMODEL_MULTIPLE__)
    62 	const TUint KPageDirectoryBase = 0xC1000000;
    63 	const TUint KPageTableBase = 0xC2000000;
    64 	const TMemModel  KMemoryModel = EMemModelMultiple;
    65 
    66 #elif defined(__MEMMODEL_FLEXIBLE__)
    67 	const TUint KPageDirectoryBase = 0xF4000000u;
    68 	const TUint KPageTableBase = 0xF8000000u;
    69 	const TMemModel  KMemoryModel = EMemModelFlexible;
    70 	
    71 #else // other memory model
    72 	const TUint KPageDirectoryBase = 0x00000000;
    73 	const TUint KPageTableBase = 0x00000000;
    74 	const TMemModel  KMemoryModel = EMemModelOther;
    75 #endif
    76 
    77 #endif
    78 
    79 
    80 
    81 class TCapsShadowV01
    82 	{
    83 public:
    84 	TVersion	iVersion;
    85 	};
    86 
    87 	const TUint KGlobalPageDirectory=0xFFFFFFFF;
    88 	const TUint KErrNoPageTable = 0x80000000;
    89 	const TUint KPageOffsetMask = 0x7FFFFFFF;
    90 
    91 class RShadow : public RBusLogicalChannel
    92 	{
    93 public:
    94 	enum TControl
    95 		{
    96 		EControlAllocShadow,
    97 		EControlFreeShadow,
    98 		EControlWriteShadow,
    99 		EControlFreezeShadow,
   100 		EControlSetPriority,
   101 		EControlRead,
   102 		EControlMmuId,
   103 		EControlCacheType,
   104 		EControlMeasureKernStackUse,
   105 		EControlMeasureKernHeapFree,
   106 		EControlWalkHeap,
   107 		EControlCallFunction,
   108 		EControlAllocPhys,
   109 		EControlFreePhys,
   110 		EControlClaimPhys,
   111 		EControlGetMemoryArchitecture,
   112 		EControlGetMemModelInfo,
   113 		EControlGetPdInfo		
   114 		};
   115 		
   116 public:
   117 	inline TInt Open();
   118 	inline TInt Alloc(TUint anAddr);				// allocate a shadow ROM page
   119 	inline TInt Free(TUint anAddr);					// free a shadow ROM page
   120 	inline TInt Write(TUint anAddr, TAny* aSrc);	// write to a shadow ROM page
   121 	inline TInt Freeze(TUint anAddr);				// freeze a shadow ROM page
   122 	inline TInt SetPriority(TInt aHandle, TInt aPriority);
   123 	inline TUint Read(TUint aLinAddr);
   124 	inline TUint MmuId();
   125 	inline TUint CacheType();
   126 	inline TInt KernStackUsed();
   127 	inline TInt KernHeapFree();
   128 	inline void WalkHeap(TInt aThreadHandle);
   129 	inline TInt CallFunction(TThreadFunction aFunction, TAny* aPtr);
   130 	inline TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign);
   131 	inline TInt FreePhysicalRam(TUint32 aAddr, TInt aSize);
   132 	inline TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize);
   133 	inline void GetMemoryArchitecture(TCpu &aCpu, TUint &aCR);
   134 	inline TMemModel GetMemModelInfo(TUint &aPageTable, TUint &aNumPds);
   135 	inline TInt GetPdInfo(TUint aPdNo, TUint &aPdSize, TUint &aPdBase, TUint &aOffset);
   136 	};
   137 
   138 
   139 #ifndef __KERNEL_MODE__
   140 inline TInt RShadow::Open()
   141 	{
   142 	return DoCreate(_L("Shadow"),TVersion(0,1,1),KNullUnit,NULL,NULL);
   143 	}
   144 
   145 inline TInt RShadow::Alloc(TUint anAddr)
   146 	{ return DoControl(EControlAllocShadow,(TAny*)anAddr); }
   147 
   148 inline TInt RShadow::Free(TUint anAddr)
   149 	{ return DoControl(EControlFreeShadow,(TAny*)anAddr); }
   150 
   151 inline TInt RShadow::Write(TUint anAddr, TAny *aSrc)
   152 	{ return DoControl(EControlWriteShadow,(TAny*)anAddr,aSrc); }
   153 
   154 inline TInt RShadow::Freeze(TUint anAddr)
   155 	{ return DoControl(EControlFreezeShadow,(TAny*)anAddr); }
   156 
   157 inline TInt RShadow::SetPriority(TInt aHandle, TInt aPriority)
   158 	{ return DoControl(EControlSetPriority, (TAny*)aHandle, (TAny*)aPriority); }
   159 
   160 inline TUint RShadow::Read(TUint aLinAddr)
   161 	{ return DoControl(EControlRead, (TAny*)aLinAddr); }
   162 
   163 inline TUint RShadow::MmuId()
   164 	{ return DoControl(EControlMmuId); }
   165 
   166 inline TUint RShadow::CacheType()
   167 	{ return DoControl(EControlCacheType); }
   168 
   169 inline TInt RShadow::KernStackUsed()
   170 	{ return DoControl(EControlMeasureKernStackUse); }
   171 
   172 inline TInt RShadow::KernHeapFree()
   173 	{ return DoControl(EControlMeasureKernHeapFree); }
   174 
   175 inline void RShadow::WalkHeap(TInt aThreadHandle)
   176 	{ DoControl(EControlWalkHeap,(TAny*)aThreadHandle); }
   177 
   178 inline TInt RShadow::CallFunction(TThreadFunction aFunction, TAny* aPtr)
   179 	{ return DoControl(EControlCallFunction, (TAny*)aFunction, aPtr); }
   180 
   181 inline TInt RShadow::AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign)
   182 	{ TInt r=DoControl(EControlAllocPhys, (TAny*)aSize, (TAny*)aAlign); if (r>=0) aAddr=TUint32(r)<<4; return r<0?r:KErrNone; }
   183 
   184 inline TInt RShadow::FreePhysicalRam(TUint32 aAddr, TInt aSize)
   185 	{ return DoControl(EControlFreePhys, (TAny*)aAddr, (TAny*)aSize); }
   186 
   187 inline TInt RShadow::ClaimPhysicalRam(TUint32 aAddr, TInt aSize)
   188 	{ return DoControl(EControlClaimPhys, (TAny*)aAddr, (TAny*)aSize); }
   189 	
   190 inline void RShadow::GetMemoryArchitecture(TCpu &aCpu, TUint &aCR)
   191 	{ DoControl(EControlGetMemoryArchitecture, (TAny*) &aCpu, (TAny*) &aCR); }
   192 
   193 inline TMemModel RShadow::GetMemModelInfo(TUint &aPageTable, TUint &aNumPds)
   194 	{ return (TMemModel) DoControl(EControlGetMemModelInfo,(TAny*) &aPageTable, (TAny*) &aNumPds); }
   195 
   196 inline TInt RShadow::GetPdInfo(TUint aPdNo, TUint &aPdSize, TUint &aPdBase, TUint &aOffset)
   197 	{
   198 	aPdSize=aPdNo;
   199 	TUint ret= (TUint) DoControl(EControlGetPdInfo,(TAny*) &aPdSize, (TAny*) &aPdBase);
   200 	aOffset =  ret & KPageOffsetMask;
   201 	return (ret & KErrNoPageTable)?KErrNotFound:KErrNone;
   202 	}
   203 	
   204 #endif
   205 
   206 #endif