sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\mmu\t_ramall.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #define __E32TEST_EXTENSION__
sl@0: 
sl@0: #include <e32test.h>
sl@0: #include <e32uid.h>
sl@0: #include <e32hal.h>
sl@0: #include "d_shadow.h"
sl@0: #include "mmudetect.h"
sl@0: #include "freeram.h"
sl@0: 
sl@0: LOCAL_D RTest test(_L("T_RAMALL"));
sl@0: 
sl@0: _LIT(KLddFileName,"D_SHADOW.LDD");
sl@0: 
sl@0: TInt PageSize;
sl@0: TInt PageShift;
sl@0: RShadow Shadow;
sl@0: TInt InitFreeRam;
sl@0: 
sl@0: TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign)
sl@0: 	{
sl@0: 	return Shadow.AllocPhysicalRam(aAddr,aSize,aAlign);
sl@0: 	}
sl@0: 
sl@0: TInt FreePhysicalRam(TUint32 aAddr, TInt aSize)
sl@0: 	{
sl@0: 	return Shadow.FreePhysicalRam(aAddr,aSize);
sl@0: 	}
sl@0: 
sl@0: TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize)
sl@0: 	{
sl@0: 	return Shadow.ClaimPhysicalRam(aAddr,aSize);
sl@0: 	}
sl@0: 
sl@0: void TestAlignedAllocs()
sl@0: 	{
sl@0: 	TInt align;
sl@0: 	TInt size;
sl@0: 	for (align=PageShift; align<=20; ++align)
sl@0: 		{
sl@0: 		for (size=PageSize; size<=0x100000; size+=PageSize)
sl@0: 			{
sl@0: 			TInt free=FreeRam();
sl@0: 			TUint32 pa=0;
sl@0: 			TInt r=AllocPhysicalRam(pa,size,align);
sl@0: 			test.Printf(_L("Size %08x Align %d r=%d pa=%08x\n"),size,align,r,pa);
sl@0: 			if (r==KErrNone)
sl@0: 				{
sl@0: 				TUint32 as=1u<<align;
sl@0: 				TUint32 am=as-1;
sl@0: 				test(FreeRam()==free-size);
sl@0: 				test((pa&am)==0);
sl@0: 				r=FreePhysicalRam(pa,size);
sl@0: 				test(r==KErrNone);
sl@0: 				}
sl@0: 			test(FreeRam()==free);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void TestClaimPhys()
sl@0: 	{
sl@0: 	TInt free=FreeRam();
sl@0: 	
sl@0: 	TUint32 pa=0;
sl@0: 	TInt r=AllocPhysicalRam(pa,4*PageSize,0);	
sl@0: 	test(r==KErrNone);
sl@0: 	test(FreeRam()==free-4*PageSize);
sl@0: 	
sl@0: 	r=FreePhysicalRam(pa,4*PageSize);
sl@0: 	test(r==KErrNone);
sl@0: 	test(FreeRam()==free);
sl@0: 	
sl@0: 	r=ClaimPhysicalRam(pa,4*PageSize);	
sl@0: 	test(r==KErrNone);
sl@0: 	test(FreeRam()==free-4*PageSize);
sl@0: 	
sl@0: 	r=FreePhysicalRam(pa,3*PageSize);
sl@0: 	test(r==KErrNone);
sl@0: 	test(FreeRam()==free-PageSize);
sl@0: 	
sl@0: 	r=ClaimPhysicalRam(pa,4*PageSize);
sl@0: 	test(r==KErrInUse);
sl@0: 	test(FreeRam()==free-PageSize);
sl@0: 	
sl@0: #ifdef MANUAL_PANIC_TEST
sl@0: //This section of the test should be run as a manual test as it results in
sl@0: // a panic due to attempting to Free an unclaimed page
sl@0: 	if (HaveVirtMem())
sl@0: 		{
sl@0: 		test.Printf(_L("HaveVirtMem() \n"));
sl@0: 		r=FreePhysicalRam(pa,4*PageSize);
sl@0: 		test.Printf(_L("FreePhysicalRam() \n"));
sl@0: 		test(r==KErrGeneral);
sl@0: 		test(FreeRam()==free-PageSize);
sl@0: 		}
sl@0: #endif
sl@0: 	
sl@0: 	r=FreePhysicalRam(pa+3*PageSize,PageSize);
sl@0: 	test(r==KErrNone);
sl@0: 	test(FreeRam()==free);
sl@0: 	
sl@0: 	}
sl@0: 
sl@0: GLDEF_C TInt E32Main()
sl@0: //
sl@0: // Test RAM allocation
sl@0: //
sl@0:     {
sl@0: 	test.Title();
sl@0: 	test.Start(_L("Load test LDD"));
sl@0: 	TInt r=User::LoadLogicalDevice(KLddFileName);
sl@0: 	test(r==KErrNone || r==KErrAlreadyExists);
sl@0: 
sl@0: 	r=UserHal::PageSizeInBytes(PageSize);
sl@0: 	test(r==KErrNone);
sl@0: 
sl@0: 	TInt psz=PageSize;
sl@0: 	PageShift=-1;
sl@0: 	for (; psz; psz>>=1, ++PageShift);
sl@0: 
sl@0: 	InitFreeRam=FreeRam();
sl@0: 	test.Printf(_L("Free RAM=%08x, Page size=%x, Page shift=%d\n"),InitFreeRam,PageSize,PageShift);
sl@0: 
sl@0: 	test.Next(_L("Open test LDD"));
sl@0: 	r=Shadow.Open();
sl@0: 	test(r==KErrNone);
sl@0: 	
sl@0: 	test.Next(_L("TestAlignedAllocs"));
sl@0: 	TestAlignedAllocs();
sl@0: 	
sl@0: 	test.Next(_L("TestClaimPhys"));
sl@0: 	TestClaimPhys();
sl@0: 
sl@0: 	Shadow.Close();
sl@0: 	test.End();
sl@0: 	return(KErrNone);
sl@0:     }
sl@0: