1 | /* $Id: BIOSSettingsImpl.cpp 65063 2017-01-03 11:15:49Z vboxsync $ */
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2 | /** @file
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3 | *
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4 | * VirtualBox COM class implementation
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5 | */
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6 |
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7 | /*
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8 | * Copyright (C) 2006-2016 Oracle Corporation
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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 |
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19 | #include "BIOSSettingsImpl.h"
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20 | #include "MachineImpl.h"
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21 | #include "GuestOSTypeImpl.h"
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22 |
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23 | #include <iprt/cpp/utils.h>
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24 | #include <VBox/settings.h>
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25 |
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26 | #include "AutoStateDep.h"
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27 | #include "AutoCaller.h"
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28 | #include "Logging.h"
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29 |
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30 | ////////////////////////////////////////////////////////////////////////////////
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31 | //
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32 | // BIOSSettings private data definition
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33 | //
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34 | ////////////////////////////////////////////////////////////////////////////////
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35 |
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36 | struct BIOSSettings::Data
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37 | {
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38 | Data()
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39 | : pMachine(NULL)
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40 | { }
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41 |
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42 | Machine * const pMachine;
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43 | ComObjPtr<BIOSSettings> pPeer;
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44 |
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45 | // use the XML settings structure in the members for simplicity
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46 | Backupable<settings::BIOSSettings> bd;
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47 | };
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48 |
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49 | // constructor / destructor
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50 | /////////////////////////////////////////////////////////////////////////////
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51 |
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52 | DEFINE_EMPTY_CTOR_DTOR(BIOSSettings)
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53 |
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54 | HRESULT BIOSSettings::FinalConstruct()
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55 | {
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56 | return BaseFinalConstruct();
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57 | }
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58 |
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59 | void BIOSSettings::FinalRelease()
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60 | {
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61 | uninit ();
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62 | BaseFinalRelease();
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63 | }
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64 |
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65 | // public initializer/uninitializer for internal purposes only
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66 | /////////////////////////////////////////////////////////////////////////////
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67 |
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68 | /**
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69 | * Initializes the audio adapter object.
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70 | *
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71 | * @returns COM result indicator
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72 | */
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73 | HRESULT BIOSSettings::init(Machine *aParent)
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74 | {
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75 | LogFlowThisFuncEnter();
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76 | LogFlowThisFunc(("aParent: %p\n", aParent));
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77 |
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78 | ComAssertRet(aParent, E_INVALIDARG);
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79 |
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80 | /* Enclose the state transition NotReady->InInit->Ready */
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81 | AutoInitSpan autoInitSpan(this);
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82 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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83 |
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84 | m = new Data();
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85 |
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86 | /* share the parent weakly */
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87 | unconst(m->pMachine) = aParent;
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88 |
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89 | m->bd.allocate();
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90 |
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91 | autoInitSpan.setSucceeded();
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92 |
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93 | LogFlowThisFuncLeave();
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94 | return S_OK;
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95 | }
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96 |
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97 | /**
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98 | * Initializes the audio adapter object given another audio adapter object
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99 | * (a kind of copy constructor). This object shares data with
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100 | * the object passed as an argument.
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101 | *
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102 | * @note This object must be destroyed before the original object
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103 | * it shares data with is destroyed.
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104 | */
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105 | HRESULT BIOSSettings::init(Machine *aParent, BIOSSettings *that)
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106 | {
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107 | LogFlowThisFuncEnter();
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108 | LogFlowThisFunc(("aParent: %p, that: %p\n", aParent, that));
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109 |
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110 | ComAssertRet(aParent && that, E_INVALIDARG);
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111 |
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112 | /* Enclose the state transition NotReady->InInit->Ready */
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113 | AutoInitSpan autoInitSpan(this);
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114 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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115 |
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116 | m = new Data();
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117 |
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118 | unconst(m->pMachine) = aParent;
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119 | m->pPeer = that;
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120 |
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121 | AutoWriteLock thatlock(that COMMA_LOCKVAL_SRC_POS);
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122 | m->bd.share(that->m->bd);
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123 |
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124 | autoInitSpan.setSucceeded();
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125 |
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126 | LogFlowThisFuncLeave();
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127 | return S_OK;
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128 | }
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129 |
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130 | /**
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131 | * Initializes the guest object given another guest object
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132 | * (a kind of copy constructor). This object makes a private copy of data
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133 | * of the original object passed as an argument.
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134 | */
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135 | HRESULT BIOSSettings::initCopy(Machine *aParent, BIOSSettings *that)
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136 | {
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137 | LogFlowThisFuncEnter();
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138 | LogFlowThisFunc(("aParent: %p, that: %p\n", aParent, that));
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139 |
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140 | ComAssertRet(aParent && that, E_INVALIDARG);
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141 |
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142 | /* Enclose the state transition NotReady->InInit->Ready */
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143 | AutoInitSpan autoInitSpan(this);
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144 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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145 |
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146 | m = new Data();
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147 |
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148 | unconst(m->pMachine) = aParent;
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149 | // mPeer is left null
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150 |
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151 | AutoWriteLock thatlock(that COMMA_LOCKVAL_SRC_POS);
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152 | m->bd.attachCopy(that->m->bd);
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153 |
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154 | autoInitSpan.setSucceeded();
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155 |
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156 | LogFlowThisFuncLeave();
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157 | return S_OK;
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158 | }
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159 |
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160 | /**
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161 | * Uninitializes the instance and sets the ready flag to FALSE.
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162 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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163 | */
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164 | void BIOSSettings::uninit()
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165 | {
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166 | LogFlowThisFuncEnter();
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167 |
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168 | /* Enclose the state transition Ready->InUninit->NotReady */
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169 | AutoUninitSpan autoUninitSpan(this);
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170 | if (autoUninitSpan.uninitDone())
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171 | return;
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172 |
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173 | m->bd.free();
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174 |
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175 | unconst(m->pPeer) = NULL;
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176 | unconst(m->pMachine) = NULL;
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177 |
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178 | delete m;
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179 | m = NULL;
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180 |
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181 | LogFlowThisFuncLeave();
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182 | }
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183 |
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184 | // IBIOSSettings properties
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185 | /////////////////////////////////////////////////////////////////////////////
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186 |
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187 |
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188 | HRESULT BIOSSettings::getLogoFadeIn(BOOL *enabled)
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189 | {
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190 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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191 |
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192 | *enabled = m->bd->fLogoFadeIn;
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193 |
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194 | return S_OK;
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195 | }
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196 |
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197 | HRESULT BIOSSettings::setLogoFadeIn(BOOL enable)
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198 | {
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199 | /* the machine needs to be mutable */
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200 | AutoMutableStateDependency adep(m->pMachine);
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201 | if (FAILED(adep.rc())) return adep.rc();
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202 |
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203 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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204 |
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205 | m->bd.backup();
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206 | m->bd->fLogoFadeIn = RT_BOOL(enable);
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207 |
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208 | alock.release();
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209 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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210 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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211 |
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212 | return S_OK;
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213 | }
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214 |
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215 |
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216 | HRESULT BIOSSettings::getLogoFadeOut(BOOL *enabled)
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217 | {
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218 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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219 |
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220 | *enabled = m->bd->fLogoFadeOut;
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221 |
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222 | return S_OK;
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223 | }
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224 |
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225 |
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226 | HRESULT BIOSSettings::setLogoFadeOut(BOOL enable)
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227 | {
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228 | /* the machine needs to be mutable */
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229 | AutoMutableStateDependency adep(m->pMachine);
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230 | if (FAILED(adep.rc())) return adep.rc();
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231 |
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232 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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233 |
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234 | m->bd.backup();
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235 | m->bd->fLogoFadeOut = RT_BOOL(enable);
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236 |
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237 | alock.release();
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238 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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239 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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240 |
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241 | return S_OK;
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242 | }
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243 |
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244 |
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245 | HRESULT BIOSSettings::getLogoDisplayTime(ULONG *displayTime)
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246 | {
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247 | if (!displayTime)
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248 | return E_POINTER;
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249 |
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250 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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251 |
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252 | *displayTime = m->bd->ulLogoDisplayTime;
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253 |
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254 | return S_OK;
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255 | }
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256 |
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257 |
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258 | HRESULT BIOSSettings::setLogoDisplayTime(ULONG displayTime)
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259 | {
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260 | /* the machine needs to be mutable */
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261 | AutoMutableStateDependency adep(m->pMachine);
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262 | if (FAILED(adep.rc())) return adep.rc();
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263 |
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264 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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265 |
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266 | m->bd.backup();
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267 | m->bd->ulLogoDisplayTime = displayTime;
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268 |
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269 | alock.release();
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270 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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271 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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272 |
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273 | return S_OK;
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274 | }
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275 |
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276 |
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277 | HRESULT BIOSSettings::getLogoImagePath(com::Utf8Str &imagePath)
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278 | {
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279 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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280 |
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281 | imagePath = m->bd->strLogoImagePath;
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282 | return S_OK;
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283 | }
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284 |
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285 |
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286 | HRESULT BIOSSettings::setLogoImagePath(const com::Utf8Str &imagePath)
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287 | {
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288 | /* the machine needs to be mutable */
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289 | AutoMutableStateDependency adep(m->pMachine);
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290 | if (FAILED(adep.rc())) return adep.rc();
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291 |
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292 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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293 |
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294 | m->bd.backup();
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295 | m->bd->strLogoImagePath = imagePath;
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296 |
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297 | alock.release();
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298 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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299 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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300 |
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301 | return S_OK;
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302 | }
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303 |
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304 | HRESULT BIOSSettings::getBootMenuMode(BIOSBootMenuMode_T *bootMenuMode)
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305 | {
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306 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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307 |
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308 | *bootMenuMode = m->bd->biosBootMenuMode;
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309 | return S_OK;
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310 | }
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311 |
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312 |
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313 | HRESULT BIOSSettings::setBootMenuMode(BIOSBootMenuMode_T bootMenuMode)
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314 | {
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315 | /* the machine needs to be mutable */
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316 | AutoMutableStateDependency adep(m->pMachine);
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317 | if (FAILED(adep.rc())) return adep.rc();
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318 |
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319 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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320 |
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321 | m->bd.backup();
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322 | m->bd->biosBootMenuMode = bootMenuMode;
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323 |
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324 | alock.release();
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325 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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326 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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327 |
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328 | return S_OK;
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329 | }
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330 |
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331 |
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332 | HRESULT BIOSSettings::getACPIEnabled(BOOL *enabled)
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333 | {
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334 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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335 |
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336 | *enabled = m->bd->fACPIEnabled;
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337 |
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338 | return S_OK;
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339 | }
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340 |
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341 |
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342 | HRESULT BIOSSettings::setACPIEnabled(BOOL enable)
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343 | {
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344 | /* the machine needs to be mutable */
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345 | AutoMutableStateDependency adep(m->pMachine);
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346 | if (FAILED(adep.rc())) return adep.rc();
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347 |
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348 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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349 |
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350 | m->bd.backup();
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351 | m->bd->fACPIEnabled = RT_BOOL(enable);
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352 |
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353 | alock.release();
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354 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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355 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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356 |
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357 | return S_OK;
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358 | }
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359 |
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360 |
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361 | HRESULT BIOSSettings::getIOAPICEnabled(BOOL *aIOAPICEnabled)
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362 | {
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363 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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364 |
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365 | *aIOAPICEnabled = m->bd->fIOAPICEnabled;
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366 |
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367 | return S_OK;
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368 | }
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369 |
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370 |
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371 | HRESULT BIOSSettings::setIOAPICEnabled(BOOL aIOAPICEnabled)
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372 | {
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373 | /* the machine needs to be mutable */
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374 | AutoMutableStateDependency adep(m->pMachine);
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375 | if (FAILED(adep.rc())) return adep.rc();
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376 |
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377 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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378 |
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379 | m->bd.backup();
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380 |
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381 | m->bd->fIOAPICEnabled = RT_BOOL(aIOAPICEnabled);
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382 | alock.release();
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383 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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384 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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385 |
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386 | return S_OK;
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387 | }
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388 |
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389 |
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390 | HRESULT BIOSSettings::getAPICMode(APICMode_T *aAPICMode)
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391 | {
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392 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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393 |
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394 | *aAPICMode = m->bd->apicMode;
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395 |
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396 | return S_OK;
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397 | }
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398 |
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399 |
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400 | HRESULT BIOSSettings::setAPICMode(APICMode_T aAPICMode)
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401 | {
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402 | /* the machine needs to be mutable */
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403 | AutoMutableStateDependency adep(m->pMachine);
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404 | if (FAILED(adep.rc())) return adep.rc();
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405 |
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406 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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407 |
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408 | m->bd.backup();
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409 |
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410 | m->bd->apicMode = aAPICMode;
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411 | alock.release();
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412 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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413 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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414 |
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415 | return S_OK;
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416 | }
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417 |
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418 |
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419 | HRESULT BIOSSettings::getPXEDebugEnabled(BOOL *enabled)
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420 | {
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421 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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422 |
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423 | *enabled = m->bd->fPXEDebugEnabled;
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424 |
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425 | return S_OK;
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426 | }
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427 |
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428 |
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429 | HRESULT BIOSSettings::setPXEDebugEnabled(BOOL enable)
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430 | {
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431 | /* the machine needs to be mutable */
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432 | AutoMutableStateDependency adep(m->pMachine);
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433 | if (FAILED(adep.rc())) return adep.rc();
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434 |
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435 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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436 |
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437 | m->bd.backup();
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438 | m->bd->fPXEDebugEnabled = RT_BOOL(enable);
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439 |
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440 | alock.release();
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441 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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442 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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443 |
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444 | return S_OK;
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445 | }
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446 |
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447 | HRESULT BIOSSettings::getTimeOffset(LONG64 *offset)
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448 | {
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449 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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450 |
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451 | *offset = m->bd->llTimeOffset;
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452 |
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453 | return S_OK;
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454 | }
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455 |
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456 |
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457 | HRESULT BIOSSettings::setTimeOffset(LONG64 offset)
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458 | {
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459 | /* the machine needs to be mutable */
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460 | AutoMutableStateDependency adep(m->pMachine);
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461 | if (FAILED(adep.rc())) return adep.rc();
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462 |
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463 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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464 |
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465 | m->bd.backup();
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466 | m->bd->llTimeOffset = offset;
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467 |
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468 | alock.release();
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469 | AutoWriteLock mlock(m->pMachine COMMA_LOCKVAL_SRC_POS); // mParent is const, needs no locking
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470 | m->pMachine->i_setModified(Machine::IsModified_BIOS);
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471 |
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472 | return S_OK;
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473 | }
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474 |
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475 | HRESULT BIOSSettings::getNonVolatileStorageFile(com::Utf8Str &aNonVolatileStorageFile)
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476 | {
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477 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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478 |
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479 | aNonVolatileStorageFile = "";
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480 |
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481 | return S_OK;
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482 | }
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483 |
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484 |
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485 |
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486 | // IBIOSSettings methods
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487 | /////////////////////////////////////////////////////////////////////////////
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488 |
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489 | // public methods only for internal purposes
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490 | /////////////////////////////////////////////////////////////////////////////
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491 |
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492 | /**
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493 | * Loads settings from the given machine node.
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494 | * May be called once right after this object creation.
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495 | *
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496 | * @param data Configuration settings.
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497 | *
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498 | * @note Locks this object for writing.
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499 | */
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500 | HRESULT BIOSSettings::i_loadSettings(const settings::BIOSSettings &data)
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501 | {
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502 | AutoCaller autoCaller(this);
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503 | AssertComRCReturnRC(autoCaller.rc());
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504 |
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505 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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506 |
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507 | // simply copy
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508 | m->bd.assignCopy(&data);
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509 |
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510 | return S_OK;
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511 | }
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512 |
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513 | /**
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514 | * Saves settings to the given machine node.
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515 | *
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516 | * @param data Configuration settings.
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517 | *
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518 | * @note Locks this object for reading.
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519 | */
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520 | HRESULT BIOSSettings::i_saveSettings(settings::BIOSSettings &data)
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521 | {
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522 | AutoCaller autoCaller(this);
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523 | AssertComRCReturnRC(autoCaller.rc());
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524 |
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525 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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526 |
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527 | data = *m->bd.data();
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528 |
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529 | return S_OK;
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530 | }
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531 |
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532 | void BIOSSettings::i_rollback()
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533 | {
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534 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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535 | m->bd.rollback();
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536 | }
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537 |
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538 | void BIOSSettings::i_commit()
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539 | {
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540 | /* sanity */
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541 | AutoCaller autoCaller(this);
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542 | AssertComRCReturnVoid(autoCaller.rc());
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543 |
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544 | /* sanity too */
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545 | AutoCaller peerCaller(m->pPeer);
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546 | AssertComRCReturnVoid(peerCaller.rc());
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547 |
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548 | /* lock both for writing since we modify both (mPeer is "master" so locked
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549 | * first) */
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550 | AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
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551 |
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552 | if (m->bd.isBackedUp())
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553 | {
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554 | m->bd.commit();
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555 | if (m->pPeer)
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556 | {
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557 | /* attach new data to the peer and reshare it */
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558 | AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
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559 | m->pPeer->m->bd.attach(m->bd);
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560 | }
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561 | }
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562 | }
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563 |
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564 | void BIOSSettings::i_copyFrom (BIOSSettings *aThat)
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565 | {
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566 | AssertReturnVoid (aThat != NULL);
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567 |
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568 | /* sanity */
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569 | AutoCaller autoCaller(this);
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570 | AssertComRCReturnVoid (autoCaller.rc());
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571 |
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572 | /* sanity too */
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573 | AutoCaller thatCaller (aThat);
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574 | AssertComRCReturnVoid (thatCaller.rc());
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575 |
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576 | /* peer is not modified, lock it for reading (aThat is "master" so locked
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577 | * first) */
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578 | AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
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579 | AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
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580 |
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581 | /* this will back up current data */
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582 | m->bd.assignCopy(aThat->m->bd);
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583 | }
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584 |
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585 | void BIOSSettings::i_applyDefaults (GuestOSType *aOsType)
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586 | {
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587 | AssertReturnVoid (aOsType != NULL);
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588 |
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589 | /* sanity */
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590 | AutoCaller autoCaller(this);
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591 | AssertComRCReturnVoid (autoCaller.rc());
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592 |
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593 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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594 |
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595 | /* Initialize default BIOS settings here */
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596 | m->bd->fIOAPICEnabled = aOsType->i_recommendedIOAPIC();
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597 | }
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598 |
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599 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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