kerneltest/e32test/heap/d_kheap.cpp
changeset 0 a41df078684a
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2006-2009 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\heap\d_kheap.cpp
       
    15 // 
       
    16 //
       
    17 
       
    18 #include "d_kheap.h"
       
    19 #include <kernel/kern_priv.h>
       
    20 
       
    21 class  DKHeap : public DLogicalChannelBase
       
    22 	{
       
    23 public:
       
    24 	DKHeap();
       
    25 	~DKHeap();
       
    26 	static TBool Handler (const TDesC8& aText, TTraceSource aTraceSource);
       
    27 protected:
       
    28 	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
       
    29 	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
       
    30 
       
    31 	TInt TestBurstFailNext(TUint aCount, TUint aBurst);
       
    32 	TInt TestBurstDeterministic(TUint aRate, TUint aBurst);
       
    33 	};
       
    34 
       
    35 DKHeap* KHeapDriver;
       
    36 
       
    37 DKHeap::DKHeap() 
       
    38 	{}
       
    39 
       
    40 DKHeap::~DKHeap() 
       
    41 	{KHeapDriver = NULL;}
       
    42 
       
    43 TInt DKHeap::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& /*aVer*/)
       
    44 	{return KErrNone;}
       
    45 
       
    46 /**User side request entry point.*/
       
    47 TInt DKHeap::Request(TInt aFunction, TAny* a1, TAny* a2)
       
    48 	{
       
    49 	TInt r = KErrNone;
       
    50 	switch (aFunction)
       
    51 	{
       
    52 		case RKHeapDevice::ESetThreadPriorityHigh:
       
    53 			{
       
    54 			NKern::ThreadEnterCS();
       
    55 			Kern::SetThreadPriority(47);
       
    56 			NKern::ThreadLeaveCS();
       
    57 			}
       
    58 			break;
       
    59 
       
    60 		case RKHeapDevice::ECreateSharedChunk:
       
    61 			{
       
    62 			TChunkCreateInfo info;
       
    63 		    info.iType         = TChunkCreateInfo::ESharedKernelSingle;
       
    64 			info.iMaxSize      = 0x40000;
       
    65 		#ifdef __EPOC32__
       
    66 			info.iMapAttr      = EMapAttrSupRw | EMapAttrCachedWBWA | EMapAttrL2CachedWBWA;
       
    67 		#endif
       
    68 			info.iOwnsMemory   = ETrue; // Use memory from system's free pool
       
    69 			info.iDestroyedDfc = NULL;
       
    70 
       
    71 		    TLinAddr chunkAddr;
       
    72 		    TUint32 mapAttr;
       
    73 		    DChunk* chunk;
       
    74 
       
    75 			NKern::ThreadEnterCS();
       
    76 		    if (KErrNone != (r = Kern::ChunkCreate(info, chunk, chunkAddr, mapAttr)))
       
    77 				{
       
    78 				NKern::ThreadLeaveCS();
       
    79 				break;
       
    80 				}
       
    81 			Kern::ChunkClose(chunk);
       
    82 			NKern::ThreadLeaveCS();
       
    83 			}
       
    84 			break;
       
    85 
       
    86 		#ifdef __EPOC32__
       
    87 		case RKHeapDevice::ECreatHwChunk:
       
    88 			{
       
    89 			const TInt KSize = 4*1024;
       
    90 			TPhysAddr physbase;
       
    91 
       
    92 			NKern::ThreadEnterCS();
       
    93 			r = Epoc::AllocPhysicalRam(KSize, physbase);
       
    94 			if (r)	{NKern::ThreadLeaveCS();break;}
       
    95 			
       
    96 			DPlatChunkHw* hwchunk;
       
    97 			r = DPlatChunkHw::New(hwchunk, physbase, KSize, EMapAttrSupRw);
       
    98 			if (r==KErrNone)	hwchunk->Close(NULL);
       
    99 			
       
   100 			Epoc::FreePhysicalRam(physbase, KSize);
       
   101 			NKern::ThreadLeaveCS();
       
   102 			}
       
   103 			break;
       
   104 		#endif//__EPOC32__
       
   105 
       
   106 		case RKHeapDevice::ETestBurstFailNext:
       
   107 			r = TestBurstFailNext((TUint)a1, (TUint)a2);
       
   108 			break;
       
   109 
       
   110 		case RKHeapDevice::ETestBurstDeterministic:
       
   111 			r = TestBurstDeterministic((TUint)a1, (TUint)a2);
       
   112 			break;
       
   113 
       
   114 		default:
       
   115 			r=KErrNotSupported;
       
   116 		}
       
   117 	return r;
       
   118 	}
       
   119 
       
   120 
       
   121 
       
   122 TInt DKHeap::TestBurstFailNext(TUint aCount, TUint aBurst)
       
   123 	{
       
   124 	NKern::ThreadEnterCS();
       
   125 
       
   126 	TInt r = KErrNone;
       
   127 	TUint i = 0;
       
   128 	TInt* p = NULL;
       
   129 	for (; i < aCount; i++)
       
   130 		{
       
   131 		if (i < aCount - 1)
       
   132 			{
       
   133 			p = new TInt;
       
   134 			if (p == NULL)
       
   135 				{// Shouldn't have failed
       
   136 				r = KErrNoMemory;
       
   137 				goto exit;
       
   138 				}
       
   139 			delete p;
       
   140 			}
       
   141 		else 
       
   142 			{
       
   143 			for (TUint j = 0; j < aBurst; j++)
       
   144 				{
       
   145 				p = new TInt;
       
   146 				if (p != NULL)
       
   147 					{// Should be failing
       
   148 					delete p;
       
   149 					r = KErrGeneral;
       
   150 					goto exit;
       
   151 					}
       
   152 				}
       
   153 			} 
       
   154 		}
       
   155 exit:
       
   156 	NKern::ThreadLeaveCS();
       
   157 	return r;
       
   158 	}
       
   159 
       
   160 TInt DKHeap::TestBurstDeterministic(TUint aRate, TUint aBurst)
       
   161 	{
       
   162 	NKern::ThreadEnterCS();
       
   163 
       
   164 	TInt r = KErrNone;
       
   165 	TInt* p = NULL;
       
   166 	for (TUint i = 1; i <= aRate * KHeapFailCycles; i++)
       
   167 		{
       
   168 		if (i % aRate == 0)
       
   169 			{
       
   170 			for (TUint j = 0; j < aBurst; j++)
       
   171 				{
       
   172 				p = new TInt;
       
   173 				if (p != NULL)
       
   174 					{// Should have failed but didn't
       
   175 					delete p;
       
   176 					r = KErrGeneral;
       
   177 					goto exit;
       
   178 					}
       
   179 				}
       
   180 			}
       
   181 		else
       
   182 			{
       
   183 			p = new TInt;
       
   184 			if (p == NULL)
       
   185 				{// Shouldn't have failed but did
       
   186 				r = KErrNoMemory;
       
   187 				goto exit;
       
   188 				}
       
   189 			delete p;
       
   190 			}
       
   191 		}
       
   192 exit:
       
   193 	NKern::ThreadLeaveCS();
       
   194 	return r;
       
   195 	}
       
   196 
       
   197 //////////////////////////////////////////
       
   198 class DTestFactory : public DLogicalDevice
       
   199 	{
       
   200 public:
       
   201 	DTestFactory();
       
   202 	// from DLogicalDevice
       
   203 	virtual TInt Install();
       
   204 	virtual void GetCaps(TDes8& aDes) const;
       
   205 	virtual TInt Create(DLogicalChannelBase*& aChannel);
       
   206 	};
       
   207 
       
   208 DTestFactory::DTestFactory()
       
   209     {
       
   210     iParseMask = KDeviceAllowUnit;
       
   211     iUnitsMask = 0x3;
       
   212     }
       
   213 
       
   214 TInt DTestFactory::Create(DLogicalChannelBase*& aChannel)
       
   215     {
       
   216 	KHeapDriver = new DKHeap;
       
   217 	aChannel = KHeapDriver;
       
   218 	return (aChannel ? KErrNone : KErrNoMemory);
       
   219     }
       
   220 
       
   221 TInt DTestFactory::Install()
       
   222     {return SetName(&KHeapTestDriverName);}
       
   223 
       
   224 void DTestFactory::GetCaps(TDes8& /*aDes*/) const	
       
   225 	{}
       
   226 
       
   227 DECLARE_STANDARD_LDD()
       
   228 	{return new DTestFactory;}