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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 using System; |
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18 using System.Collections.Generic; |
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19 using System.Text; |
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20 using DecompressETB.Buffer; |
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21 using DecompressETB.State; |
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22 using DecompressETB.Types; |
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23 |
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24 namespace DecompressETB.Config |
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25 { |
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26 public class ETBEngineConfig |
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27 { |
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28 #region Constructors |
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29 public ETBEngineConfig() |
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30 { |
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31 SetExceptionVector( TETBExceptionVector.EReset, 0 ); |
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32 SetExceptionVector( TETBExceptionVector.EUndefinedInstruction, 0 ); |
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33 SetExceptionVector( TETBExceptionVector.ESWI, 0 ); |
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34 SetExceptionVector( TETBExceptionVector.EPrefetchAbort, 0 ); |
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35 SetExceptionVector( TETBExceptionVector.EDataAbort, 0 ); |
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36 SetExceptionVector( TETBExceptionVector.EIRQ, 0 ); |
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37 SetExceptionVector( TETBExceptionVector.EFIQ, 0 ); |
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38 } |
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39 #endregion |
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40 |
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41 #region API |
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42 // <summary> |
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43 // Use this to seed the context id to thread name mapping |
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44 // </summary> |
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45 public void SetRegisterContextID( uint aID, string aName ) |
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46 { |
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47 if ( !iContextIDs.ContainsKey( aID ) ) |
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48 { |
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49 iContextIDs.Add( aID, aName ); |
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50 } |
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51 } |
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52 |
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53 public void SetExceptionVector( TETBExceptionVector aVector, uint aInstruction ) |
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54 { |
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55 if ( !iExceptionVectors.ContainsKey( aVector ) ) |
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56 { |
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57 iExceptionVectors.Add( aVector, aInstruction ); |
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58 } |
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59 else |
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60 { |
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61 iExceptionVectors[ aVector ] = aInstruction; |
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62 } |
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63 } |
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64 |
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65 public string GetContextID( uint aID ) |
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66 { |
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67 string ret = "Unknown Thread"; |
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68 // |
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69 if ( iContextIDs.ContainsKey( aID ) ) |
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70 { |
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71 ret = iContextIDs[ aID ]; |
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72 } |
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73 // |
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74 return ret; |
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75 } |
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76 |
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77 internal uint GetExceptionVector( TETBExceptionVector aVector ) |
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78 { |
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79 uint ret = iExceptionVectors[ aVector ]; |
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80 return ret; |
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81 } |
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82 |
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83 internal TETBExceptionVector MapToExceptionVector( uint aAddress ) |
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84 { |
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85 System.Diagnostics.Debug.Assert( IsExceptionVector( aAddress ) ); |
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86 // |
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87 TETBExceptionVector ret = TETBExceptionVector.EUndefinedInstruction; |
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88 // |
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89 uint baseAddress = (uint) ExceptionVectorLocation; |
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90 uint delta = aAddress - baseAddress; |
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91 switch ( delta ) |
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92 { |
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93 case (uint) TETBExceptionVector.EReset: |
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94 case (uint) TETBExceptionVector.EUndefinedInstruction: |
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95 case (uint) TETBExceptionVector.ESWI: |
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96 case (uint) TETBExceptionVector.EPrefetchAbort: |
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97 case (uint) TETBExceptionVector.EDataAbort: |
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98 case (uint) TETBExceptionVector.EIRQ: |
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99 case (uint) TETBExceptionVector.EFIQ: |
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100 ret = (TETBExceptionVector) delta; |
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101 break; |
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102 default: |
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103 throw new NotSupportedException( "Specified address is an unsupported vector location" ); |
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104 break; |
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105 } |
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106 // |
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107 return ret; |
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108 } |
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109 |
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110 internal bool IsExceptionVector( uint aAddress ) |
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111 { |
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112 bool ret = false; |
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113 |
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114 // Get current vector setting and also the vector address range |
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115 TETBExceptionVectorLocation type = ExceptionVectorLocation; |
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116 uint min = (uint) type; |
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117 uint max = min + (uint) TETBExceptionVector.EFIQ; |
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118 // |
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119 ret = ( aAddress >= min && aAddress <= max ); |
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120 // |
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121 return ret; |
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122 } |
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123 #endregion |
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124 |
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125 #region Properties |
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126 public bool Verbose |
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127 { |
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128 get { return iVerbose; } |
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129 set { iVerbose = value; } |
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130 } |
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131 |
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132 public uint ETMControlRegister |
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133 { |
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134 get { return iETMControlRegister; } |
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135 set { iETMControlRegister = value; } |
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136 } |
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137 |
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138 public uint SystemControlRegister |
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139 { |
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140 get { return iSystemControlRegister; } |
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141 set { iSystemControlRegister = value; } |
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142 } |
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143 |
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144 public int ContextIDSize |
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145 { |
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146 get |
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147 { |
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148 // Bits [15:14] define the context id size. |
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149 uint ret = iETMControlRegister & 0xC000; // b11000000 00000000 |
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150 ret >>= 14; |
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151 if ( ret > 0 ) |
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152 { |
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153 ++ret; |
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154 } |
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155 return (int) ret; |
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156 } |
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157 } |
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158 |
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159 public TETBExceptionVectorLocation ExceptionVectorLocation |
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160 { |
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161 get |
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162 { |
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163 TETBExceptionVectorLocation ret = TETBExceptionVectorLocation.ENormal; |
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164 uint mask = (uint) ( 1 << 13 ); |
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165 if ( ( iSystemControlRegister & mask ) == mask ) |
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166 { |
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167 ret = TETBExceptionVectorLocation.EHigh; |
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168 } |
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169 return ret; |
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170 } |
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171 } |
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172 #endregion |
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173 |
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174 #region Internal constants |
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175 #endregion |
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176 |
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177 #region From System.Object |
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178 #endregion |
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179 |
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180 #region Data members |
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181 private bool iVerbose = false; |
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182 private uint iETMControlRegister = 0xC000; // 4 byte context id |
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183 private uint iSystemControlRegister = 1 << 13; |
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184 private Dictionary<TETBExceptionVector, uint> iExceptionVectors = new Dictionary<TETBExceptionVector, uint>(); |
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185 private Dictionary<uint, string> iContextIDs = new Dictionary<uint, string>(); |
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186 #endregion |
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187 } |
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188 } |