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1 // Copyright (c) 2004-2009 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\d_asid.cpp |
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15 // |
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16 // |
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17 |
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18 #include <kernel/kern_priv.h> |
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19 #include "d_asid.h" |
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20 |
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21 // |
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22 // Class definitions |
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23 // |
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24 |
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25 class DAsidFactory : public DLogicalDevice |
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26 { |
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27 public: |
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28 ~DAsidFactory(); |
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29 virtual TInt Install(); |
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30 virtual void GetCaps(TDes8& aDes) const; |
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31 virtual TInt Create(DLogicalChannelBase*& aChannel); |
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32 }; |
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33 |
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34 class DAsidChannel : public DLogicalChannelBase |
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35 { |
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36 public: |
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37 DAsidChannel(); |
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38 ~DAsidChannel(); |
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39 virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer); |
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40 virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2); |
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41 public: |
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42 DAsidFactory* iFactory; |
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43 private: |
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44 DThread* iThread; |
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45 }; |
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46 |
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47 // |
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48 // DAsidFactory |
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49 // |
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50 |
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51 TInt DAsidFactory::Install() |
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52 { |
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53 return SetName(&KMemoryTestLddName); |
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54 } |
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55 |
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56 DAsidFactory::~DAsidFactory() |
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57 { |
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58 } |
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59 |
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60 void DAsidFactory::GetCaps(TDes8& /*aDes*/) const |
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61 { |
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62 // Not used but required as DLogicalDevice::GetCaps is pure virtual |
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63 } |
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64 |
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65 TInt DAsidFactory::Create(DLogicalChannelBase*& aChannel) |
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66 { |
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67 aChannel = NULL; |
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68 DAsidChannel* channel=new DAsidChannel; |
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69 if(!channel) |
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70 return KErrNoMemory; |
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71 channel->iFactory = this; |
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72 aChannel = channel; |
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73 return KErrNone; |
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74 } |
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75 |
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76 DECLARE_STANDARD_LDD() |
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77 { |
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78 return new DAsidFactory; |
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79 } |
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80 |
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81 // |
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82 // DAsidChannel |
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83 // |
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84 |
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85 TInt DAsidChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/) |
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86 { |
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87 return KErrNone; |
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88 } |
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89 |
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90 DAsidChannel::DAsidChannel() : iThread(NULL) |
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91 { |
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92 } |
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93 |
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94 DAsidChannel::~DAsidChannel() |
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95 { |
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96 if (iThread) |
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97 iThread->Close(NULL); |
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98 } |
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99 |
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100 |
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101 TInt DAsidChannel::Request(TInt aFunction, TAny* a1, TAny* a2) |
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102 { |
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103 TInt r=KErrNotSupported; |
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104 |
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105 switch(aFunction) |
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106 { |
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107 case RAsidLdd::EGetCurrentThread: |
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108 { |
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109 DThread* thread = &Kern::CurrentThread(); |
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110 kumemput32(a1, (TAny*)&thread, sizeof(DThread*)); |
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111 r = KErrNone; |
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112 } |
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113 break; |
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114 |
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115 case RAsidLdd::EOpenThread: |
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116 { |
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117 if (iThread) |
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118 { |
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119 r = KErrInUse; |
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120 break; |
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121 } |
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122 iThread = (DThread*) a1; |
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123 iThread->Open(); |
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124 r = KErrNone; |
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125 } |
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126 break; |
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127 |
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128 case RAsidLdd::ECloseThread: |
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129 { |
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130 if (!iThread) |
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131 { |
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132 r = KErrNotFound; |
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133 break; |
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134 } |
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135 NKern::ThreadEnterCS(); |
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136 iThread->Close(NULL); |
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137 iThread = NULL; |
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138 r = KErrNone; |
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139 NKern::ThreadLeaveCS(); |
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140 } |
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141 break; |
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142 |
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143 case RAsidLdd::EReadDesHeader: |
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144 { |
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145 SDesHeader hdr; |
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146 TUint8* ptr; |
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147 kumemget32((TAny*)&hdr, a2, sizeof(SDesHeader)); |
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148 r = Kern::ThreadGetDesInfo((DThread*)a1, hdr.iDes, hdr.iLength, hdr.iMaxLength, ptr, ETrue); |
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149 if (r == KErrNone) |
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150 {// copy the data back to user side struct. |
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151 kumemput32(a2, &hdr, sizeof(SDesHeader)); |
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152 } |
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153 } |
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154 break; |
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155 } |
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156 return r; |
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157 } |