os/kernelhwsrv/kerneltest/e32test/mmu/d_asid.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) 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_memorytest.h
    15 // 
    16 //
    17 
    18 #ifndef __D_ASID_H__
    19 #define __D_ASID_H__
    20 
    21 #include <e32cmn.h>
    22 #ifndef __KERNEL_MODE__
    23 #include <e32std.h>
    24 #endif
    25 
    26 _LIT(KMemoryTestLddName,"d_asid");
    27 
    28 struct SDesHeader 
    29 	{
    30 	TAny* iDes;			// Pointer to the descriptor to read the header of.
    31 	TInt iLength;		// Length of the descriptor.
    32 	TInt iMaxLength;	// Maximum length of the descriptor.
    33 	};
    34 	
    35 
    36 class RAsidLdd : public RBusLogicalChannel
    37 	{
    38 public:
    39 	enum TControl
    40 		{
    41 		EGetCurrentThread,
    42 		EOpenThread,
    43 		ECloseThread,
    44 		EReadDesHeader,
    45 		};
    46 
    47 #ifndef __KERNEL_MODE__
    48 public:
    49 	inline TInt Open()
    50 		{
    51 		TInt r=User::LoadLogicalDevice(KMemoryTestLddName);
    52 		if(r==KErrNone || r==KErrAlreadyExists)
    53 			r=DoCreate(KMemoryTestLddName,TVersion(),KNullUnit,NULL,NULL,EOwnerProcess,ETrue);
    54 		return r;
    55 		};
    56 	inline TInt GetCurrentThread(TAny*& aPtr)
    57 		{ return DoControl(EGetCurrentThread, &aPtr); }
    58 	inline TInt OpenThread(TAny* aPtr)
    59 		{ return DoControl(EOpenThread, aPtr); }
    60 	inline TInt CloseThread()
    61 		{ return DoControl(ECloseThread); }
    62 	inline TInt ReadDesHeader(TAny* aThread, SDesHeader& aHdr)
    63 		{ return DoControl(EReadDesHeader, aThread, &aHdr); }
    64 #endif
    65 	};
    66 
    67 
    68 #endif