1 // Copyright (c) 1997-2009 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\t_ramall.cpp

    15 // 

    16 //

    17 

    18 #define __E32TEST_EXTENSION__

    19 

    20 #include <e32test.h>

    21 #include <e32uid.h>

    22 #include <e32hal.h>

    23 #include "d_shadow.h"

    24 #include "mmudetect.h"

    25 #include "freeram.h"

    26 

    27 LOCAL_D RTest test(_L("T_RAMALL"));

    28 

    29 _LIT(KLddFileName,"D_SHADOW.LDD");

    30 

    31 TInt PageSize;

    32 TInt PageShift;

    33 RShadow Shadow;

    34 TInt InitFreeRam;

    35 

    36 TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign)

    37 	{

    38 	return Shadow.AllocPhysicalRam(aAddr,aSize,aAlign);

    39 	}

    40 

    41 TInt FreePhysicalRam(TUint32 aAddr, TInt aSize)

    42 	{

    43 	return Shadow.FreePhysicalRam(aAddr,aSize);

    44 	}

    45 

    46 TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize)

    47 	{

    48 	return Shadow.ClaimPhysicalRam(aAddr,aSize);

    49 	}

    50 

    51 void TestAlignedAllocs()

    52 	{

    53 	TInt align;

    54 	TInt size;

    55 	for (align=PageShift; align<=20; ++align)

    56 		{

    57 		for (size=PageSize; size<=0x100000; size+=PageSize)

    58 			{

    59 			TInt free=FreeRam();

    60 			TUint32 pa=0;

    61 			TInt r=AllocPhysicalRam(pa,size,align);

    62 			test.Printf(_L("Size %08x Align %d r=%d pa=%08x\n"),size,align,r,pa);

    63 			if (r==KErrNone)

    64 				{

    65 				TUint32 as=1u<<align;

    66 				TUint32 am=as-1;

    67 				test(FreeRam()==free-size);

    68 				test((pa&am)==0);

    69 				r=FreePhysicalRam(pa,size);

    70 				test(r==KErrNone);

    71 				}

    72 			test(FreeRam()==free);

    73 			}

    74 		}

    75 	}

    76 

    77 void TestClaimPhys()

    78 	{

    79 	TInt free=FreeRam();

    80 	

    81 	TUint32 pa=0;

    82 	TInt r=AllocPhysicalRam(pa,4*PageSize,0);	

    83 	test(r==KErrNone);

    84 	test(FreeRam()==free-4*PageSize);

    85 	

    86 	r=FreePhysicalRam(pa,4*PageSize);

    87 	test(r==KErrNone);

    88 	test(FreeRam()==free);

    89 	

    90 	r=ClaimPhysicalRam(pa,4*PageSize);	

    91 	test(r==KErrNone);

    92 	test(FreeRam()==free-4*PageSize);

    93 	

    94 	r=FreePhysicalRam(pa,3*PageSize);

    95 	test(r==KErrNone);

    96 	test(FreeRam()==free-PageSize);

    97 	

    98 	r=ClaimPhysicalRam(pa,4*PageSize);

    99 	test(r==KErrInUse);

   100 	test(FreeRam()==free-PageSize);

   101 	

   102 #ifdef MANUAL_PANIC_TEST

   103 //This section of the test should be run as a manual test as it results in

   104 // a panic due to attempting to Free an unclaimed page

   105 	if (HaveVirtMem())

   106 		{

   107 		test.Printf(_L("HaveVirtMem() \n"));

   108 		r=FreePhysicalRam(pa,4*PageSize);

   109 		test.Printf(_L("FreePhysicalRam() \n"));

   110 		test(r==KErrGeneral);

   111 		test(FreeRam()==free-PageSize);

   112 		}

   113 #endif

   114 	

   115 	r=FreePhysicalRam(pa+3*PageSize,PageSize);

   116 	test(r==KErrNone);

   117 	test(FreeRam()==free);

   118 	

   119 	}

   120 

   121 GLDEF_C TInt E32Main()

   122 //

   123 // Test RAM allocation

   124 //

   125     {

   126 	test.Title();

   127 	test.Start(_L("Load test LDD"));

   128 	TInt r=User::LoadLogicalDevice(KLddFileName);

   129 	test(r==KErrNone || r==KErrAlreadyExists);

   130 

   131 	r=UserHal::PageSizeInBytes(PageSize);

   132 	test(r==KErrNone);

   133 

   134 	TInt psz=PageSize;

   135 	PageShift=-1;

   136 	for (; psz; psz>>=1, ++PageShift);

   137 

   138 	InitFreeRam=FreeRam();

   139 	test.Printf(_L("Free RAM=%08x, Page size=%x, Page shift=%d\n"),InitFreeRam,PageSize,PageShift);

   140 

   141 	test.Next(_L("Open test LDD"));

   142 	r=Shadow.Open();

   143 	test(r==KErrNone);

   144 	

   145 	test.Next(_L("TestAlignedAllocs"));

   146 	TestAlignedAllocs();

   147 	

   148 	test.Next(_L("TestClaimPhys"));

   149 	TestClaimPhys();

   150 

   151 	Shadow.Close();

   152 	test.End();

   153 	return(KErrNone);

   154     }

   155