kerneltest/e32test/mmu/d_asid.cpp
changeset 0 a41df078684a
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-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2004-2009 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_asid.cpp
       
    15 // 
       
    16 //
       
    17 
       
    18 #include <kernel/kern_priv.h>
       
    19 #include "d_asid.h"
       
    20 
       
    21 //
       
    22 // Class definitions
       
    23 //
       
    24 
       
    25 class DAsidFactory : public DLogicalDevice
       
    26 	{
       
    27 public:
       
    28 	~DAsidFactory();
       
    29 	virtual TInt Install();
       
    30 	virtual void GetCaps(TDes8& aDes) const;
       
    31 	virtual TInt Create(DLogicalChannelBase*& aChannel);
       
    32 	};
       
    33 
       
    34 class DAsidChannel : public DLogicalChannelBase
       
    35 	{
       
    36 public:
       
    37 	DAsidChannel();
       
    38 	~DAsidChannel();
       
    39 	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
       
    40 	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
       
    41 public:
       
    42 	DAsidFactory*	iFactory;
       
    43 private:
       
    44 	DThread* iThread;
       
    45 	};
       
    46 
       
    47 //
       
    48 // DAsidFactory
       
    49 //
       
    50 
       
    51 TInt DAsidFactory::Install()
       
    52 	{
       
    53 	return SetName(&KMemoryTestLddName);
       
    54 	}
       
    55 
       
    56 DAsidFactory::~DAsidFactory()
       
    57 	{
       
    58 	}
       
    59 
       
    60 void DAsidFactory::GetCaps(TDes8& /*aDes*/) const
       
    61 	{
       
    62 	// Not used but required as DLogicalDevice::GetCaps is pure virtual
       
    63 	}
       
    64 
       
    65 TInt DAsidFactory::Create(DLogicalChannelBase*& aChannel)
       
    66 	{
       
    67 	aChannel = NULL;
       
    68 	DAsidChannel* channel=new DAsidChannel;
       
    69 	if(!channel)
       
    70 		return KErrNoMemory;
       
    71 	channel->iFactory = this;
       
    72 	aChannel = channel;
       
    73 	return KErrNone;
       
    74 	}
       
    75 
       
    76 DECLARE_STANDARD_LDD()
       
    77 	{
       
    78 	return new DAsidFactory;
       
    79 	}
       
    80 
       
    81 //
       
    82 // DAsidChannel
       
    83 //
       
    84 
       
    85 TInt DAsidChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
       
    86 	{
       
    87 	return KErrNone;
       
    88 	}
       
    89 
       
    90 DAsidChannel::DAsidChannel() : iThread(NULL)
       
    91 	{
       
    92 	}
       
    93 
       
    94 DAsidChannel::~DAsidChannel()
       
    95 	{
       
    96 	if (iThread)
       
    97 		iThread->Close(NULL);
       
    98 	}
       
    99 
       
   100 
       
   101 TInt DAsidChannel::Request(TInt aFunction, TAny* a1, TAny* a2)
       
   102 	{
       
   103 	TInt r=KErrNotSupported;
       
   104 
       
   105 	switch(aFunction)
       
   106 		{
       
   107 		case RAsidLdd::EGetCurrentThread:
       
   108 			{
       
   109 			DThread* thread = &Kern::CurrentThread();
       
   110 			kumemput32(a1, (TAny*)&thread, sizeof(DThread*));
       
   111 			r = KErrNone;
       
   112 			}
       
   113 			break;
       
   114 
       
   115 		case RAsidLdd::EOpenThread:
       
   116 			{
       
   117 			if (iThread)
       
   118 				{
       
   119 				r = KErrInUse;
       
   120 				break;
       
   121 				}
       
   122 			iThread = (DThread*) a1;
       
   123 			iThread->Open();
       
   124 			r = KErrNone;
       
   125 			}
       
   126 			break;
       
   127 
       
   128 		case RAsidLdd::ECloseThread:
       
   129 			{
       
   130 			if (!iThread)
       
   131 				{
       
   132 				r = KErrNotFound;
       
   133 				break;
       
   134 				}
       
   135 			NKern::ThreadEnterCS();
       
   136 			iThread->Close(NULL);
       
   137 			iThread = NULL;
       
   138 			r = KErrNone;
       
   139 			NKern::ThreadLeaveCS();
       
   140 			}
       
   141 			break;
       
   142 			
       
   143 		case RAsidLdd::EReadDesHeader:
       
   144 			{
       
   145 			SDesHeader hdr;
       
   146 			TUint8* ptr;
       
   147 			kumemget32((TAny*)&hdr, a2, sizeof(SDesHeader));
       
   148 			r = Kern::ThreadGetDesInfo((DThread*)a1, hdr.iDes, hdr.iLength, hdr.iMaxLength, ptr, ETrue);
       
   149 			if (r == KErrNone)
       
   150 				{// copy the data back to user side struct.
       
   151 				kumemput32(a2, &hdr, sizeof(SDesHeader));
       
   152 				}
       
   153 			}
       
   154 			break;
       
   155 		}
       
   156 	return r;
       
   157 	}