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1 // Copyright (c) 2008-2009 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\demandpaging\t_dpcmn.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32test.h> |
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19 #include <dptest.h> |
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20 #include <e32hal.h> |
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21 #include <u32exec.h> |
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22 #include <e32svr.h> |
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23 #include <e32panic.h> |
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24 #include "u32std.h" |
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25 |
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26 TInt gPageSize; |
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27 TBool gPagingSupported = EFalse; |
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28 TBool gRomPagingSupported = EFalse; |
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29 TBool gCodePagingSupported = EFalse; |
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30 TBool gDataPagingSupported = EFalse; |
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31 TInt gDataPagingPolicy; |
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32 TBool gProcessPaged; |
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33 |
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34 TBool gGlobalNoPaging = EFalse; |
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35 TBool gGlobalAlwaysPage = EFalse; |
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36 TBool gGlobalDefaultUnpaged = EFalse; |
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37 TBool gGlobalDefaultPage = EFalse; |
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38 |
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39 // Size of paging cache in pages |
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40 TUint gMinCacheSize = 0; |
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41 TUint gMaxCacheSize = 0; |
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42 TUint gCurrentCacheSize = 0; |
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43 |
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44 RChunk gChunk; |
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45 |
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46 // |
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47 // GetGlobalPolicies |
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48 // |
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49 // Determine the global dapaging policies as specified at rombuild time |
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50 // |
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51 TInt GetGlobalPolicies() |
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52 { |
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53 // Determine which types of paging are supported |
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54 TUint32 attrs = DPTest::Attributes(); |
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55 |
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56 gRomPagingSupported = (attrs & DPTest::ERomPaging) != 0; |
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57 gCodePagingSupported = (attrs & DPTest::ECodePaging) != 0; |
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58 gDataPagingSupported = (attrs & DPTest::EDataPaging) != 0; |
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59 gPagingSupported = gRomPagingSupported || gCodePagingSupported || gDataPagingSupported; |
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60 |
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61 if (gRomPagingSupported) |
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62 RDebug::Printf("Rom paging supported"); |
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63 if (gCodePagingSupported) |
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64 RDebug::Printf("Code paging supported"); |
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65 if (gDataPagingSupported) |
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66 RDebug::Printf("Data paging supported"); |
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67 |
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68 // Determine the data paging attributes |
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69 TInt kernelFlags = UserSvr::HalFunction(EHalGroupKernel, EKernelHalConfigFlags, 0, 0); |
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70 if (kernelFlags < 0) |
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71 return kernelFlags; |
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72 |
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73 gDataPagingPolicy = kernelFlags & EKernelConfigDataPagingPolicyMask; |
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74 if (gDataPagingPolicy == EKernelConfigDataPagingPolicyNoPaging) |
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75 { |
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76 RDebug::Printf("Global NO PAGING policy is set"); |
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77 gGlobalNoPaging = ETrue; |
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78 } |
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79 if (gDataPagingPolicy == EKernelConfigDataPagingPolicyAlwaysPage) |
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80 { |
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81 RDebug::Printf("Global ALWAYS PAGE policy is set"); |
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82 gGlobalAlwaysPage = ETrue; |
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83 } |
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84 if (gDataPagingPolicy == EKernelConfigDataPagingPolicyDefaultUnpaged) |
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85 { |
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86 RDebug::Printf("Global DEFAULT UNPAGED policy is set"); |
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87 gGlobalDefaultUnpaged = ETrue; |
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88 } |
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89 if (gDataPagingPolicy == EKernelConfigDataPagingPolicyDefaultPaged) |
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90 { |
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91 RDebug::Printf("Global DEFAULT PAGED policy is set"); |
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92 gGlobalDefaultPage = ETrue; |
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93 } |
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94 |
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95 // Determine this process' data paging attribute |
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96 RProcess process; // Default to point to current process. |
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97 gProcessPaged = process.DefaultDataPaged(); |
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98 RDebug::Printf(gProcessPaged ? "This process is paged" : "This process is not paged"); |
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99 |
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100 // Get page size |
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101 TInt r = UserHal::PageSizeInBytes(gPageSize); |
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102 if (r != KErrNone) |
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103 return r; |
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104 |
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105 if (gPagingSupported) |
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106 { |
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107 TUint minSize; |
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108 TUint maxSize; |
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109 TUint currentSize; |
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110 r = DPTest::CacheSize(minSize, maxSize, currentSize); |
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111 if (r != KErrNone) |
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112 return r; |
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113 |
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114 gMinCacheSize = minSize / gPageSize; |
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115 gMaxCacheSize = maxSize / gPageSize; |
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116 gCurrentCacheSize = currentSize / gPageSize; |
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117 RDebug::Printf("Cache size (pages): min == %d, max == %d, current == %d", |
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118 gMinCacheSize, gMaxCacheSize, gCurrentCacheSize); |
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119 } |
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120 |
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121 return r; |
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122 } |
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123 |
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124 // |
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125 // IsDataPagingSupported |
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126 // |
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127 // Determine whether data paging is supported |
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128 // |
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129 TBool IsDataPagingSupported() |
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130 { |
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131 return gDataPagingSupported; |
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132 } |
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133 |
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134 // |
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135 // UpdatePaged |
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136 // |
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137 // Update whether the expected paged status based on the global paging policy. |
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138 // |
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139 void UpdatePaged(TBool& aPaged) |
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140 { |
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141 if (gGlobalNoPaging) |
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142 aPaged = EFalse; |
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143 if (gGlobalAlwaysPage) |
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144 aPaged = ETrue; |
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145 if (!gDataPagingSupported) |
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146 aPaged = EFalse; |
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147 } |
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148 |
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149 |
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150 // |
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151 // TestThreadExit |
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152 // |
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153 // Resume the specified thread and verify the exit reason. |
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154 // |
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155 TInt TestThreadExit(RThread& aThread, TExitType aExitType, TInt aExitReason) |
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156 { |
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157 // Disable JIT debugging. |
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158 TBool justInTime=User::JustInTime(); |
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159 User::SetJustInTime(EFalse); |
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160 |
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161 TRequestStatus status; |
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162 aThread.Logon(status); |
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163 aThread.Resume(); |
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164 User::WaitForRequest(status); |
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165 if (aExitType != aThread.ExitType()) |
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166 return KErrGeneral; |
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167 |
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168 if (aExitReason != status.Int()) |
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169 return KErrGeneral; |
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170 |
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171 if (aExitReason != aThread.ExitReason()) |
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172 return KErrGeneral; |
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173 |
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174 |
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175 if (aExitType == EExitPanic) |
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176 { |
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177 if (aThread.ExitCategory()!=_L("USER")) |
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178 { |
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179 return KErrGeneral; |
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180 } |
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181 } |
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182 |
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183 CLOSE_AND_WAIT(aThread); |
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184 |
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185 // Put JIT debugging back to previous status. |
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186 User::SetJustInTime(justInTime); |
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187 return KErrNone; |
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188 } |