1 | /** @file
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2 | *
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3 | * VBox frontends: Basic Frontend (BFE):
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4 | * Implementation of MachineDebugger class
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5 | */
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6 |
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7 | /*
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8 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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9 | *
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10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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11 | * available from http://www.virtualbox.org. This file is free software;
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12 | * you can redistribute it and/or modify it under the terms of the GNU
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13 | * General Public License (GPL) as published by the Free Software
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14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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17 | *
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18 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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19 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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20 | * additional information or have any questions.
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21 | */
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22 |
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23 | #ifdef VBOXBFE_WITHOUT_COM
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24 | # include "COMDefs.h"
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25 | #else
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26 | # include <VBox/com/defs.h>
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27 | #endif
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28 | #include <VBox/em.h>
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29 | #include <VBox/patm.h>
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30 | #include <VBox/csam.h>
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31 | #include <VBox/vm.h>
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32 | #include <VBox/err.h>
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33 | #include <VBox/log.h>
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34 | #include <iprt/semaphore.h>
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35 | #include <iprt/assert.h>
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36 |
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37 | #include "VBoxBFE.h"
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38 | #include "MachineDebuggerImpl.h"
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39 |
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40 | //
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41 | // defines
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42 | //
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43 |
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44 |
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45 | //
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46 | // globals
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47 | //
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48 |
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49 |
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50 | //
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51 | // public methods
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52 | //
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53 |
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54 | /**
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55 | * Initializes the machine debugger object.
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56 | *
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57 | * @returns COM result indicator
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58 | * @param parent handle of our parent object
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59 | */
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60 | MachineDebugger::MachineDebugger()
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61 | {
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62 | singlestepQueued = ~0;
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63 | recompileUserQueued = ~0;
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64 | recompileSupervisorQueued = ~0;
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65 | patmEnabledQueued = ~0;
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66 | csamEnabledQueued = ~0;
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67 | fFlushMode = false;
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68 | }
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69 |
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70 | /**
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71 | * Returns the current singlestepping flag.
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72 | *
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73 | * @returns COM status code
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74 | * @param enabled address of result variable
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75 | */
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76 | STDMETHODIMP MachineDebugger::COMGETTER(Singlestep)(BOOL *enabled)
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77 | {
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78 | if (!enabled)
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79 | return E_POINTER;
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80 | /** @todo */
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81 | return E_NOTIMPL;
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82 | }
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83 |
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84 | /**
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85 | * Sets the singlestepping flag.
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86 | *
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87 | * @returns COM status code
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88 | * @param enable new singlestepping flag
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89 | */
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90 | STDMETHODIMP MachineDebugger::COMSETTER(Singlestep)(BOOL enable)
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91 | {
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92 | /** @todo */
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93 | return E_NOTIMPL;
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94 | }
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95 |
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96 | /**
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97 | * Returns the current recompile user mode code flag.
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98 | *
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99 | * @returns COM status code
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100 | * @param enabled address of result variable
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101 | */
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102 | STDMETHODIMP MachineDebugger::COMGETTER(RecompileUser)(BOOL *enabled)
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103 | {
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104 | if (!enabled)
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105 | return E_POINTER;
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106 | if (pVM)
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107 | *enabled = !EMIsRawRing3Enabled(pVM);
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108 | else
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109 | *enabled = false;
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110 | return S_OK;
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111 | }
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112 |
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113 | /**
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114 | * Sets the recompile user mode code flag.
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115 | *
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116 | * @returns COM status
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117 | * @param enable new user mode code recompile flag.
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118 | */
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119 | STDMETHODIMP MachineDebugger::COMSETTER(RecompileUser)(BOOL enable)
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120 | {
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121 | LogFlow(("MachineDebugger:: set user mode recompiler to %d\n", enable));
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122 |
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123 | if (!fFlushMode)
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124 | {
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125 | // check if the machine is running
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126 | if (machineState != VMSTATE_RUNNING)
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127 | {
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128 | // queue the request
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129 | recompileUserQueued = enable;
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130 | return S_OK;
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131 | }
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132 | }
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133 | if (!pVM)
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134 | {
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135 | return E_FAIL;
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136 | }
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137 |
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138 | PVMREQ pReq;
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139 | EMRAWMODE rawModeFlag = enable ? EMRAW_RING3_DISABLE : EMRAW_RING3_ENABLE;
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140 | int rcVBox = VMR3ReqCall(pVM, VMREQDEST_ANY, &pReq, RT_INDEFINITE_WAIT,
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141 | (PFNRT)EMR3RawSetMode, 2, pVM, rawModeFlag);
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142 | if (RT_SUCCESS(rcVBox))
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143 | {
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144 | rcVBox = pReq->iStatus;
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145 | VMR3ReqFree(pReq);
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146 | }
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147 |
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148 | if (RT_SUCCESS(rcVBox))
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149 | return S_OK;
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150 |
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151 | AssertMsgFailed(("Could not set raw mode flags to %d, rcVBox = %Rrc\n",
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152 | rawModeFlag, rcVBox));
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153 | return E_FAIL;
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154 | }
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155 |
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156 | /**
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157 | * Returns the current recompile supervisor code flag.
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158 | *
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159 | * @returns COM status code
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160 | * @param enabled address of result variable
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161 | */
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162 | STDMETHODIMP MachineDebugger::COMGETTER(RecompileSupervisor)(BOOL *enabled)
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163 | {
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164 | if (!enabled)
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165 | return E_POINTER;
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166 | if (pVM)
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167 | *enabled = !EMIsRawRing0Enabled(pVM);
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168 | else
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169 | *enabled = false;
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170 | return S_OK;
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171 | }
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172 |
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173 | /**
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174 | * Sets the new recompile supervisor code flag.
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175 | *
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176 | * @returns COM status code
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177 | * @param enable new recompile supervisor code flag
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178 | */
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179 | STDMETHODIMP MachineDebugger::COMSETTER(RecompileSupervisor)(BOOL enable)
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180 | {
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181 | LogFlow(("MachineDebugger:: set supervisor mode recompiler to %d\n", enable));
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182 |
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183 | if (!fFlushMode)
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184 | {
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185 | // check if the machine is running
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186 | if (machineState != VMSTATE_RUNNING)
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187 | {
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188 | // queue the request
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189 | recompileSupervisorQueued = enable;
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190 | return S_OK;
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191 | }
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192 | }
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193 | if (!pVM)
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194 | {
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195 | return E_FAIL;
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196 | }
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197 |
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198 | PVMREQ pReq;
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199 | EMRAWMODE rawModeFlag = enable ? EMRAW_RING0_DISABLE : EMRAW_RING0_ENABLE;
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200 | int rcVBox = VMR3ReqCall(pVM, VMREQDEST_ANY, &pReq, RT_INDEFINITE_WAIT,
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201 | (PFNRT)EMR3RawSetMode, 2, pVM, rawModeFlag);
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202 | if (RT_SUCCESS(rcVBox))
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203 | {
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204 | rcVBox = pReq->iStatus;
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205 | VMR3ReqFree(pReq);
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206 | }
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207 |
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208 | if (RT_SUCCESS(rcVBox))
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209 | return S_OK;
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210 |
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211 | AssertMsgFailed(("Could not set raw mode flags to %d, rcVBox = %Rrc\n",
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212 | rawModeFlag, rcVBox));
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213 | return E_FAIL;
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214 | }
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215 |
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216 | /**
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217 | * Returns the current patch manager enabled flag.
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218 | *
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219 | * @returns COM status code
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220 | * @param enabled address of result variable
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221 | */
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222 | STDMETHODIMP MachineDebugger::COMGETTER(PATMEnabled)(BOOL *enabled)
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223 | {
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224 | if (!enabled)
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225 | return E_POINTER;
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226 | if (pVM)
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227 | *enabled = PATMIsEnabled(pVM);
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228 | else
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229 | *enabled = false;
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230 | return S_OK;
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231 | }
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232 |
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233 | /**
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234 | * Set the new patch manager enabled flag.
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235 | *
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236 | * @returns COM status code
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237 | * @param new patch manager enabled flag
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238 | */
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239 | STDMETHODIMP MachineDebugger::COMSETTER(PATMEnabled)(BOOL enable)
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240 | {
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241 | LogFlow(("MachineDebugger::SetPATMEnabled: %d\n", enable));
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242 |
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243 | if (!fFlushMode)
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244 | {
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245 | // check if the machine is running
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246 | if (machineState != VMSTATE_RUNNING)
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247 | {
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248 | // queue the request
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249 | patmEnabledQueued = enable;
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250 | return S_OK;
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251 | }
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252 | }
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253 |
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254 | if (!pVM)
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255 | return E_FAIL;
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256 |
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257 | PATMR3AllowPatching(pVM, enable);
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258 | return E_NOTIMPL;
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259 | }
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260 |
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261 | /**
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262 | * Returns the current code scanner enabled flag.
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263 | *
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264 | * @returns COM status code
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265 | * @param enabled address of result variable
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266 | */
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267 | STDMETHODIMP MachineDebugger::COMGETTER(CSAMEnabled)(BOOL *enabled)
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268 | {
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269 | if (!enabled)
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270 | return E_POINTER;
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271 | if (pVM)
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272 | *enabled = CSAMIsEnabled(pVM);
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273 | else
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274 | *enabled = false;
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275 | return S_OK;
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276 | }
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277 |
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278 | /**
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279 | * Sets the new code scanner enabled flag.
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280 | *
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281 | * @returns COM status code
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282 | * @param enable new code scanner enabled flag
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283 | */
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284 | STDMETHODIMP MachineDebugger::COMSETTER(CSAMEnabled)(BOOL enable)
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285 | {
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286 | LogFlow(("MachineDebugger:SetCSAMEnabled: %d\n", enable));
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287 |
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288 | if (!fFlushMode)
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289 | {
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290 | // check if the machine is running
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291 | if (machineState != VMSTATE_RUNNING)
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292 | {
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293 | // queue the request
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294 | csamEnabledQueued = enable;
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295 | return S_OK;
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296 | }
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297 | }
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298 |
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299 | if (!pVM)
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300 | return E_FAIL;
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301 |
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302 | if (enable)
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303 | CSAMEnableScanning(pVM);
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304 | else
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305 | CSAMDisableScanning(pVM);
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306 | return E_NOTIMPL;
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307 | }
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308 |
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309 | //
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310 | // "public-private" methods
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311 | //
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312 | void MachineDebugger::flushQueuedSettings()
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313 | {
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314 | fFlushMode = true;
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315 | if (singlestepQueued != ~0)
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316 | {
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317 | COMSETTER(Singlestep)(singlestepQueued);
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318 | singlestepQueued = ~0;
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319 | }
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320 | if (recompileUserQueued != ~0)
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321 | {
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322 | COMSETTER(RecompileUser)(recompileUserQueued);
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323 | recompileUserQueued = ~0;
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324 | }
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325 | if (recompileSupervisorQueued != ~0)
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326 | {
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327 | COMSETTER(RecompileSupervisor)(recompileSupervisorQueued);
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328 | recompileSupervisorQueued = ~0;
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329 | }
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330 | if (patmEnabledQueued != ~0)
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331 | {
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332 | COMSETTER(PATMEnabled)(patmEnabledQueued);
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333 | patmEnabledQueued = ~0;
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334 | }
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335 | if (csamEnabledQueued != ~0)
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336 | {
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337 | COMSETTER(CSAMEnabled)(csamEnabledQueued);
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338 | csamEnabledQueued = ~0;
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339 | }
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340 | fFlushMode = false;
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341 | }
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342 |
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343 | //
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344 | // private methods
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345 | //
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