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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\mmu\t_ramall.cpp |
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15 // |
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16 // |
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17 |
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18 #define __E32TEST_EXTENSION__ |
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19 |
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20 #include <e32test.h> |
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21 #include <e32uid.h> |
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22 #include <e32hal.h> |
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23 #include "d_shadow.h" |
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24 #include "mmudetect.h" |
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25 #include "freeram.h" |
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26 |
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27 LOCAL_D RTest test(_L("T_RAMALL")); |
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28 |
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29 _LIT(KLddFileName,"D_SHADOW.LDD"); |
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30 |
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31 TInt PageSize; |
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32 TInt PageShift; |
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33 RShadow Shadow; |
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34 TInt InitFreeRam; |
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35 |
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36 TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign) |
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37 { |
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38 return Shadow.AllocPhysicalRam(aAddr,aSize,aAlign); |
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39 } |
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40 |
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41 TInt FreePhysicalRam(TUint32 aAddr, TInt aSize) |
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42 { |
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43 return Shadow.FreePhysicalRam(aAddr,aSize); |
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44 } |
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45 |
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46 TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize) |
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47 { |
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48 return Shadow.ClaimPhysicalRam(aAddr,aSize); |
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49 } |
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50 |
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51 void TestAlignedAllocs() |
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52 { |
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53 TInt align; |
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54 TInt size; |
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55 for (align=PageShift; align<=20; ++align) |
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56 { |
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57 for (size=PageSize; size<=0x100000; size+=PageSize) |
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58 { |
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59 TInt free=FreeRam(); |
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60 TUint32 pa=0; |
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61 TInt r=AllocPhysicalRam(pa,size,align); |
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62 test.Printf(_L("Size %08x Align %d r=%d pa=%08x\n"),size,align,r,pa); |
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63 if (r==KErrNone) |
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64 { |
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65 TUint32 as=1u<<align; |
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66 TUint32 am=as-1; |
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67 test(FreeRam()==free-size); |
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68 test((pa&am)==0); |
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69 r=FreePhysicalRam(pa,size); |
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70 test(r==KErrNone); |
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71 } |
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72 test(FreeRam()==free); |
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73 } |
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74 } |
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75 } |
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76 |
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77 void TestClaimPhys() |
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78 { |
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79 TInt free=FreeRam(); |
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80 TUint32 pa=0; |
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81 TInt r=AllocPhysicalRam(pa,4*PageSize,0); |
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82 test(r==KErrNone); |
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83 test(FreeRam()==free-4*PageSize); |
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84 r=FreePhysicalRam(pa,4*PageSize); |
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85 test(r==KErrNone); |
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86 test(FreeRam()==free); |
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87 r=ClaimPhysicalRam(pa,4*PageSize); |
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88 test(r==KErrNone); |
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89 test(FreeRam()==free-4*PageSize); |
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90 r=FreePhysicalRam(pa,3*PageSize); |
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91 test(r==KErrNone); |
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92 test(FreeRam()==free-PageSize); |
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93 r=ClaimPhysicalRam(pa,4*PageSize); |
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94 test(r==KErrInUse); |
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95 test(FreeRam()==free-PageSize); |
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96 if (HaveVirtMem()) |
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97 { |
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98 r=FreePhysicalRam(pa,4*PageSize); |
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99 test(r==KErrGeneral); |
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100 test(FreeRam()==free-PageSize); |
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101 } |
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102 r=FreePhysicalRam(pa+3*PageSize,PageSize); |
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103 test(r==KErrNone); |
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104 test(FreeRam()==free); |
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105 } |
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106 |
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107 GLDEF_C TInt E32Main() |
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108 // |
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109 // Test RAM allocation |
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110 // |
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111 { |
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112 test.Title(); |
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113 test.Start(_L("Load test LDD")); |
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114 TInt r=User::LoadLogicalDevice(KLddFileName); |
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115 test(r==KErrNone || r==KErrAlreadyExists); |
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116 |
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117 r=UserHal::PageSizeInBytes(PageSize); |
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118 test(r==KErrNone); |
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119 |
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120 TInt psz=PageSize; |
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121 PageShift=-1; |
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122 for (; psz; psz>>=1, ++PageShift); |
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123 |
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124 InitFreeRam=FreeRam(); |
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125 test.Printf(_L("Free RAM=%08x, Page size=%x, Page shift=%d\n"),InitFreeRam,PageSize,PageShift); |
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126 |
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127 test.Next(_L("Open test LDD")); |
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128 r=Shadow.Open(); |
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129 test(r==KErrNone); |
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130 |
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131 TestAlignedAllocs(); |
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132 TestClaimPhys(); |
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133 |
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134 Shadow.Close(); |
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135 test.End(); |
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136 return(KErrNone); |
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137 } |
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138 |