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os/kernelhwsrv/kerneltest/e32test/device/d_ldd2.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2008-2009 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\device\d_ldd2.cpp

    15 // Secondary LDD for testing linking one driver to another

    16 // 

    17 //

    18 

    19 #include <kernel/kernel.h>

    20 #include "d_ldd2.h"

    21 

    22 TInt AFunction()

    23 	{

    24 	return KErrNone;

    25 	}

    26 

    27 TInt data=0x100;

    28 TAny* dataptr=(TAny*)&AFunction;

    29 TInt TheBss;

    30 

    31 class TGlobal

    32 	{

    33 public:

    34 	TGlobal();

    35 	~TGlobal();

    36 	void Update(TUint32 a);

    37 	TInt Verify();

    38 public:

    39 	TUint32 iInt;

    40 	TAny* iPtr;

    41 	};

    42 

    43 TGlobal Global;

    44 

    45 TGlobal::TGlobal()

    46 	{

    47 	__KTRACE_OPT(KDEVICE,Kern::Printf("TGlobal::TGlobal()"));

    48 	iPtr = Kern::Alloc(65536);

    49 	Update(487);

    50 	}

    51 

    52 TGlobal::~TGlobal()

    53 	{

    54 	__KTRACE_OPT(KDEVICE,Kern::Printf("TGlobal::~TGlobal()"));

    55 	Kern::Free(iPtr);

    56 	}

    57 

    58 void TGlobal::Update(TUint32 a)

    59 	{

    60 	iInt = a;

    61 	if (iPtr)

    62 		{

    63 		TUint32* p = (TUint32*)iPtr;

    64 		TUint32* pE = p + 65536/4;

    65 		while (p<pE)

    66 			{

    67 			a = (a*69069u)+41;

    68 			*p++ = a;

    69 			}

    70 		}

    71 	}

    72 

    73 TInt TGlobal::Verify()

    74 	{

    75 	TUint32 x = iInt;

    76 	if (iPtr)

    77 		{

    78 		TUint32* p = (TUint32*)iPtr;

    79 		TUint32* pE = p + 65536/4;

    80 		while (p<pE)

    81 			{

    82 			x = (x*69069u)+41;

    83 			if (*p++ != x)

    84 				return KErrGeneral;

    85 			}

    86 		return KErrNone;

    87 		}

    88 	return KErrNoMemory;

    89 	}

    90 

    91 EXPORT_C TInt LinkedTest1()

    92 	{

    93 	return (TInt)dataptr;

    94 	}

    95 

    96 EXPORT_C TInt LinkedTest2()

    97 	{

    98 	return data++;

    99 	}

   100 

   101 EXPORT_C TInt LinkedTest3()

   102 	{

   103 	return data--;

   104 	}

   105 

   106 EXPORT_C TInt LinkedTest4()

   107 	{

   108 	return data;

   109 	}

   110 

   111 EXPORT_C TInt LinkedTest5()

   112 	{

   113 	return TheBss;

   114 	}

   115 

   116 EXPORT_C TInt LinkedTest6(TInt aValue)

   117 	{

   118 	TheBss = aValue;

   119 	return KErrNone;

   120 	}

   121 

   122 EXPORT_C TUint32 LinkedTest7()

   123 	{

   124 	return (TInt)Global.iInt;

   125 	}

   126 

   127 EXPORT_C void LinkedTest8(TUint32 aValue)

   128 	{

   129 	Global.Update(aValue);

   130 	}

   131 

   132 EXPORT_C TInt LinkedTest9()

   133 	{

   134 	return Global.Verify();

   135 	}

   136 

   137 DECLARE_STANDARD_LDD()

   138 	{

   139 	return NULL;

   140 	}
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