1 | /* $Id: PlatformImpl.cpp 102455 2023-12-04 15:53:11Z vboxsync $ */
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2 | /** @file
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3 | * VirtualBox COM class implementation - Platform settings.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #define LOG_GROUP LOG_GROUP_MAIN_PLATFORM
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29 | #include "PlatformImpl.h"
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30 | #ifdef VBOX_WITH_VIRT_ARMV8
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31 | # include "PlatformARMImpl.h"
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32 | #endif
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33 | #include "PlatformX86Impl.h"
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34 | #include "PlatformPropertiesImpl.h"
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35 | #include "MachineImpl.h"
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36 | #include "LoggingNew.h"
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37 |
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38 | #include "AutoStateDep.h"
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39 |
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40 | #include <iprt/cpp/utils.h>
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41 |
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42 | #include <VBox/settings.h>
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43 |
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44 |
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45 | struct Platform::Data
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46 | {
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47 | Data() { }
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48 |
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49 | ComObjPtr<Platform> pPeer;
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50 |
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51 | // use the XML settings structure in the members for simplicity
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52 | Backupable<settings::Platform> bd;
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53 | };
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54 |
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55 |
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56 | /*
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57 | * Platform implementation.
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58 | */
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59 | Platform::Platform()
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60 | : mParent(NULL)
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61 | {
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62 | }
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63 |
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64 | Platform::~Platform()
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65 | {
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66 | uninit();
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67 | }
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68 |
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69 | HRESULT Platform::FinalConstruct()
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70 | {
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71 | return BaseFinalConstruct();
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72 | }
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73 |
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74 | void Platform::FinalRelease()
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75 | {
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76 | uninit();
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77 |
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78 | BaseFinalRelease();
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79 | }
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80 |
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81 | HRESULT Platform::init(Machine *aParent)
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82 | {
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83 | /* Enclose the state transition NotReady->InInit->Ready */
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84 | AutoInitSpan autoInitSpan(this);
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85 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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86 |
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87 | /* Share the parent weakly */
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88 | unconst(mParent) = aParent;
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89 |
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90 | m = new Data();
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91 |
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92 | m->bd.allocate();
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93 |
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94 | /* Allocates architecture-dependent stuff.
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95 | * Note: We ignore the return value here, as the machine object expects a working platform object.
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96 | We always want a working platform object, no matter if we support the current platform architecture or not. */
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97 | i_initArchitecture(m->bd->architectureType);
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98 |
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99 | /* Confirm a successful initialization */
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100 | autoInitSpan.setSucceeded();
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101 |
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102 | LogFlowThisFuncLeave();
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103 | return S_OK;
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104 | }
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105 |
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106 | /**
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107 | * Initializes the platform object given another platform object
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108 | * (a kind of copy constructor). This object shares data with
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109 | * the object passed as an argument.
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110 | *
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111 | * @note This object must be destroyed before the original object
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112 | * it shares data with is destroyed.
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113 | */
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114 | HRESULT Platform::init(Machine *aParent, Platform *aThat)
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115 | {
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116 | LogFlowThisFuncEnter();
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117 | LogFlowThisFunc(("aParent: %p, aThat: %p\n", aParent, aThat));
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118 |
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119 | ComAssertRet(aParent && aThat, E_INVALIDARG);
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120 |
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121 | /* Enclose the state transition NotReady->InInit->Ready */
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122 | AutoInitSpan autoInitSpan(this);
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123 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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124 |
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125 | unconst(mParent) = aParent;
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126 |
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127 | m = new Data();
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128 | m->pPeer = aThat;
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129 |
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130 | AutoWriteLock thatlock(aThat COMMA_LOCKVAL_SRC_POS);
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131 | m->bd.share(aThat->m->bd);
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132 |
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133 | /* Allocates architecture-dependent stuff.
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134 | * Note: We ignore the return value here, as the machine object expects a working platform object.
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135 | We always want a working platform object, no matter if we support the current platform architecture or not. */
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136 | i_initArchitecture(aThat->m->bd->architectureType, aThat);
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137 |
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138 | autoInitSpan.setSucceeded();
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139 |
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140 | LogFlowThisFuncLeave();
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141 | return S_OK;
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142 | }
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143 |
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144 | /**
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145 | * Initializes the guest object given another guest object
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146 | * (a kind of copy constructor). This object makes a private copy of data
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147 | * of the original object passed as an argument.
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148 | */
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149 | HRESULT Platform::initCopy(Machine *aParent, Platform *aThat)
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150 | {
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151 | LogFlowThisFuncEnter();
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152 | LogFlowThisFunc(("aParent: %p, aThat: %p\n", aParent, aThat));
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153 |
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154 | ComAssertRet(aParent && aThat, E_INVALIDARG);
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155 |
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156 | /* Enclose the state transition NotReady->InInit->Ready */
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157 | AutoInitSpan autoInitSpan(this);
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158 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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159 |
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160 | unconst(mParent) = aParent;
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161 |
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162 | m = new Data();
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163 | // m->pPeer is left null
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164 |
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165 | AutoWriteLock thatlock(aThat COMMA_LOCKVAL_SRC_POS); /** @todo r=andy Shouldn't a read lock be sufficient here? */
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166 | m->bd.attachCopy(aThat->m->bd);
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167 |
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168 | /* Allocates architecture-dependent stuff.
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169 | * Note: We ignore the return value here, as the machine object expects a working platform object.
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170 | We always want a working platform object, no matter if we support the current platform architecture or not. */
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171 | i_initArchitecture(aThat->m->bd->architectureType, aThat, true /* fCopy */);
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172 |
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173 | autoInitSpan.setSucceeded();
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174 |
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175 | LogFlowThisFuncLeave();
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176 | return S_OK;
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177 | }
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178 |
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179 | void Platform::uninit()
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180 | {
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181 | /* Enclose the state transition Ready->InUninit->NotReady */
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182 | AutoUninitSpan autoUninitSpan(this);
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183 | if (autoUninitSpan.uninitDone())
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184 | return;
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185 |
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186 | unconst(mParent) = NULL;
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187 |
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188 | uninitArchitecture();
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189 |
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190 | m->bd.free();
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191 |
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192 | unconst(m->pPeer) = NULL;
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193 |
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194 | delete m;
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195 | m = NULL;
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196 | }
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197 |
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198 | /**
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199 | * Unitializes all platform-specific objects.
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200 | *
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201 | * Called by uninit() and i_setArchitecture().
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202 | */
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203 | void Platform::uninitArchitecture()
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204 | {
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205 | if (mX86)
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206 | {
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207 | mX86->uninit();
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208 | unconst(mX86).setNull();
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209 | }
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210 |
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211 | #ifdef VBOX_WITH_VIRT_ARMV8
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212 | if (mARM)
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213 | {
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214 | mARM->uninit();
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215 | unconst(mARM).setNull();
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216 | }
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217 | #endif
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218 | }
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219 |
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220 |
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221 | // IPlatform properties
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222 | ////////////////////////////////////////////////////////////////////////////////
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223 |
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224 | HRESULT Platform::getArchitecture(PlatformArchitecture_T *aArchitecture)
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225 | {
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226 | /* sanity */
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227 | AutoCaller autoCaller(this);
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228 | AssertComRCReturnRC(autoCaller.hrc());
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229 |
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230 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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231 |
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232 | *aArchitecture = m->bd->architectureType;
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233 |
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234 | return S_OK;
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235 | }
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236 |
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237 | HRESULT Platform::setArchitecture(PlatformArchitecture_T aArchitecture)
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238 | {
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239 | /* sanity */
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240 | AutoCaller autoCaller(this);
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241 | AssertComRCReturnRC(autoCaller.hrc());
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242 |
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243 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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244 |
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245 | RT_NOREF(aArchitecture);
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246 |
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247 | /* Currently we don't allow changing the platform architecture after the object was created.
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248 | * Mostly makes no sense, as this would render the VMs non-bootable and confuses users. */
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249 | return E_NOTIMPL;
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250 | }
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251 |
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252 | HRESULT Platform::getProperties(ComPtr<IPlatformProperties> &aProperties)
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253 | {
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254 | /* sanity */
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255 | AutoCaller autoCaller(this);
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256 | AssertComRCReturnRC(autoCaller.hrc());
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257 |
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258 | ComObjPtr<PlatformProperties> properties;
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259 | HRESULT hrc = properties.createObject();
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260 | AssertComRCReturnRC(hrc);
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261 | hrc = properties->init(mParent->mParent);
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262 | AssertComRCReturnRC(hrc);
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263 |
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264 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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265 |
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266 | hrc = properties->i_setArchitecture(m->bd->architectureType);
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267 | AssertComRCReturnRC(hrc);
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268 |
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269 | return properties.queryInterfaceTo(aProperties.asOutParam());
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270 | }
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271 |
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272 | HRESULT Platform::getX86(ComPtr<IPlatformX86> &aX86)
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273 | {
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274 | /* sanity */
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275 | AutoCaller autoCaller(this);
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276 | AssertComRCReturnRC(autoCaller.hrc());
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277 |
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278 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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279 |
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280 | switch (m->bd->architectureType)
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281 | {
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282 | case PlatformArchitecture_x86:
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283 | {
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284 | if (mX86.isNotNull())
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285 | {
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286 | /* mX86 is constant during life time, no need to lock. */
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287 | return mX86.queryInterfaceTo(aX86.asOutParam());
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288 | }
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289 | break;
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290 | }
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291 |
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292 | default:
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293 | /* For anything else return an error. */
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294 | break;
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295 | }
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296 |
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297 | return setErrorBoth(VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED, VERR_PLATFORM_ARCH_NOT_SUPPORTED,
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298 | "x86-specific platform settings are not available on this platform");
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299 | }
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300 |
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301 | HRESULT Platform::getARM(ComPtr<IPlatformARM> &aARM)
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302 | {
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303 | /* sanity */
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304 | AutoCaller autoCaller(this);
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305 | AssertComRCReturnRC(autoCaller.hrc());
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306 |
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307 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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308 |
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309 | switch (m->bd->architectureType)
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310 | {
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311 | #ifdef VBOX_WITH_VIRT_ARMV8
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312 | case PlatformArchitecture_ARM:
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313 | {
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314 | if (mARM.isNotNull())
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315 | {
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316 | /* mARM is constant during life time, no need to lock. */
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317 | return mARM.queryInterfaceTo(aARM.asOutParam());
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318 | }
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319 | break;
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320 | }
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321 | #else
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322 | RT_NOREF(aARM);
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323 | #endif
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324 | default:
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325 | /* For anything else return an error. */
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326 | break;
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327 | }
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328 |
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329 | return setErrorBoth(VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED, VERR_PLATFORM_ARCH_NOT_SUPPORTED,
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330 | "ARM-specific platform settings are not available on this platform");
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331 | }
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332 |
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333 | HRESULT Platform::getChipsetType(ChipsetType_T *aChipsetType)
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334 | {
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335 | /* sanity */
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336 | AutoCaller autoCaller(this);
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337 | AssertComRCReturnRC(autoCaller.hrc());
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338 |
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339 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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340 |
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341 | *aChipsetType = m->bd->chipsetType;
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342 |
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343 | return S_OK;
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344 | }
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345 |
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346 | HRESULT Platform::setChipsetType(ChipsetType_T aChipsetType)
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347 | {
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348 | /* sanity */
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349 | AutoCaller autoCaller(this);
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350 | AssertComRCReturnRC(autoCaller.hrc());
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351 |
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352 | /* the machine needs to be mutable */
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353 | AutoMutableStateDependency adep(mParent);
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354 | if (FAILED(adep.hrc())) return adep.hrc();
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355 |
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356 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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357 |
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358 | if (aChipsetType != m->bd->chipsetType)
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359 | {
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360 | m->bd.backup();
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361 | m->bd->chipsetType = aChipsetType;
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362 |
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363 | alock.release();
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364 |
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365 | AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS);
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366 | mParent->i_setModified(Machine::IsModified_Platform);
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367 |
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368 | // Resize network adapter array, to be finalized on commit/rollback.
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369 | // We must not throw away entries yet, otherwise settings are lost
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370 | // without a way to roll back.
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371 | size_t const newCount = PlatformProperties::s_getMaxNetworkAdapters(aChipsetType);
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372 | size_t const oldCount = mParent->mNetworkAdapters.size();
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373 | if (newCount > oldCount)
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374 | {
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375 | mParent->mNetworkAdapters.resize(newCount);
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376 | for (size_t slot = oldCount; slot < mParent->mNetworkAdapters.size(); slot++)
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377 | {
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378 | unconst(mParent->mNetworkAdapters[slot]).createObject();
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379 | mParent->mNetworkAdapters[slot]->init(mParent, (ULONG)slot);
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380 | }
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381 | }
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382 | }
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383 |
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384 | return S_OK;
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385 | }
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386 |
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387 | HRESULT Platform::getIommuType(IommuType_T *aIommuType)
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388 | {
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389 | /* sanity */
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390 | AutoCaller autoCaller(this);
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391 | AssertComRCReturnRC(autoCaller.hrc());
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392 |
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393 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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394 |
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395 | *aIommuType = m->bd->iommuType;
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396 |
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397 | return S_OK;
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398 | }
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399 |
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400 | HRESULT Platform::setIommuType(IommuType_T aIommuType)
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401 | {
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402 | /* sanity */
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403 | AutoCaller autoCaller(this);
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404 | AssertComRCReturnRC(autoCaller.hrc());
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405 |
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406 | /* the machine needs to be mutable */
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407 | AutoMutableStateDependency adep(mParent);
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408 | if (FAILED(adep.hrc())) return adep.hrc();
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409 |
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410 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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411 |
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412 | if (aIommuType != m->bd->iommuType)
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413 | {
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414 | if (aIommuType == IommuType_Intel)
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415 | {
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416 | #ifndef VBOX_WITH_IOMMU_INTEL
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417 | LogRelFunc(("Setting Intel IOMMU when Intel IOMMU support not available!\n"));
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418 | return E_UNEXPECTED;
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419 | #endif
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420 | }
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421 |
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422 | m->bd.backup();
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423 | m->bd->iommuType = aIommuType;
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424 |
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425 | alock.release();
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426 |
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427 | AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS);
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428 | mParent->i_setModified(Machine::IsModified_Platform);
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429 | }
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430 |
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431 | return S_OK;
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432 | }
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433 |
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434 | HRESULT Platform::getRTCUseUTC(BOOL *aRTCUseUTC)
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435 | {
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436 | /* sanity */
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437 | AutoCaller autoCaller(this);
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438 | AssertComRCReturnRC(autoCaller.hrc());
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439 |
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440 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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441 |
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442 | *aRTCUseUTC = m->bd->fRTCUseUTC;
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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 Platform::setRTCUseUTC(BOOL aRTCUseUTC)
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448 | {
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449 | /* sanity */
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450 | AutoCaller autoCaller(this);
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451 | AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
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452 |
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453 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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454 |
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455 | if (m->bd->fRTCUseUTC != RT_BOOL(aRTCUseUTC))
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456 | {
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457 | /* Only allow it to be set to true when PoweredOff or Aborted.
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458 | (Clearing it is always permitted.) */
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459 | if (aRTCUseUTC)
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460 | {
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461 | alock.release();
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462 |
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463 | /* the machine needs to be mutable */
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464 | AutoMutableStateDependency adep(mParent);
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465 | if (FAILED(adep.hrc())) return adep.hrc();
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466 |
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467 | alock.acquire();
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468 |
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469 | m->bd.backup();
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470 | m->bd->fRTCUseUTC = RT_BOOL(aRTCUseUTC);
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471 |
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472 | alock.release();
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473 |
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474 | AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS);
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475 | mParent->i_setModified(Machine::IsModified_Platform);
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476 | }
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477 | else
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478 | {
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479 | m->bd.backup();
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480 | m->bd->fRTCUseUTC = RT_BOOL(aRTCUseUTC);
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481 | }
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482 | }
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483 |
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484 | return S_OK;
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485 | }
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486 |
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487 |
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488 | // public methods only for internal purposes
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489 | ////////////////////////////////////////////////////////////////////////////////
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490 |
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491 | /**
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492 | * Loads settings from the given platform node.
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493 | * May be called once right after this object creation.
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494 | *
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495 | * @returns HRESULT
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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 Platform::i_loadSettings(const settings::Platform &data)
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501 | {
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502 | AutoCaller autoCaller(this);
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503 | AssertComRCReturnRC(autoCaller.hrc());
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504 |
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505 | AutoReadLock mlock(mParent COMMA_LOCKVAL_SRC_POS);
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506 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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507 |
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508 | // simply copy
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509 | m->bd.assignCopy(&data);
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510 |
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511 | /* Allocates architecture-dependent stuff. */
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512 | HRESULT hrc = i_initArchitecture(m->bd->architectureType);
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513 | if (SUCCEEDED(hrc))
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514 | {
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515 | switch (m->bd->architectureType)
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516 | {
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517 | case PlatformArchitecture_x86:
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518 | return mX86->i_loadSettings(data.x86);
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519 |
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520 | #ifdef VBOX_WITH_VIRT_ARMV8
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521 | case PlatformArchitecture_ARM:
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522 | return mARM->i_loadSettings(data.arm);
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523 | #endif
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524 | case PlatformArchitecture_None:
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525 | RT_FALL_THROUGH();
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526 | default:
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527 | break;
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528 | }
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529 | }
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530 |
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531 | return setErrorBoth(VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED, VERR_PLATFORM_ARCH_NOT_SUPPORTED,
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532 | "Platform '%s' not supported", Global::stringifyPlatformArchitecture(m->bd->architectureType));
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533 | }
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534 |
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535 | /**
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536 | * Saves settings to the given platform node.
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537 | *
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538 | * @returns HRESULT
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539 | * @param data Configuration settings.
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540 | *
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541 | * @note Locks this object for reading.
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542 | */
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543 | HRESULT Platform::i_saveSettings(settings::Platform &data)
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544 | {
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545 | AutoCaller autoCaller(this);
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546 | AssertComRCReturnRC(autoCaller.hrc());
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547 |
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548 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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549 |
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550 | data = *m->bd.data();
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551 |
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552 | switch (m->bd->architectureType)
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553 | {
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554 | case PlatformArchitecture_x86:
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555 | return mX86->i_saveSettings(data.x86);
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556 |
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557 | #ifdef VBOX_WITH_VIRT_ARMV8
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558 | case PlatformArchitecture_ARM:
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559 | return mARM->i_saveSettings(data.arm);
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560 | #endif
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561 | case PlatformArchitecture_None:
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562 | RT_FALL_THROUGH();
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563 | default:
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564 | break;
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565 | }
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566 |
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567 | return setErrorBoth(VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED, VERR_PLATFORM_ARCH_NOT_SUPPORTED,
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568 | "Platform '%s' not supported", Global::stringifyPlatformArchitecture(m->bd->architectureType));
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569 | }
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570 |
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571 | void Platform::i_rollback()
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572 | {
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573 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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574 |
|
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575 | if (m)
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576 | {
|
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577 | m->bd.rollback();
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578 |
|
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579 | switch (m->bd->architectureType)
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580 | {
|
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581 | case PlatformArchitecture_x86:
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582 | if (mX86.isNotNull())
|
---|
583 | return mX86->i_rollback();
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---|
584 | break;
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585 |
|
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586 | #ifdef VBOX_WITH_VIRT_ARMV8
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587 | case PlatformArchitecture_ARM:
|
---|
588 | if (mARM.isNotNull())
|
---|
589 | return mARM->i_rollback();
|
---|
590 | break;
|
---|
591 | #endif
|
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592 | case PlatformArchitecture_None:
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593 | RT_FALL_THROUGH();
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---|
594 | default:
|
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595 | break;
|
---|
596 | }
|
---|
597 | }
|
---|
598 | }
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599 |
|
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600 | void Platform::i_commit()
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601 | {
|
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602 | /* sanity */
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603 | AutoCaller autoCaller(this);
|
---|
604 | AssertComRCReturnVoid(autoCaller.hrc());
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605 |
|
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606 | /* sanity too */
|
---|
607 | AutoCaller peerCaller(m->pPeer);
|
---|
608 | AssertComRCReturnVoid(peerCaller.hrc());
|
---|
609 |
|
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610 | /* lock both for writing since we modify both (mPeer is "master" so locked
|
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611 | * first) */
|
---|
612 | AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
|
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613 |
|
---|
614 | if (m->bd.isBackedUp())
|
---|
615 | {
|
---|
616 | m->bd.commit();
|
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617 |
|
---|
618 | if (m->pPeer)
|
---|
619 | {
|
---|
620 | /* attach new data to the peer and reshare it */
|
---|
621 | AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
|
---|
622 | m->pPeer->m->bd.attach(m->bd);
|
---|
623 | }
|
---|
624 | }
|
---|
625 |
|
---|
626 | switch (m->bd->architectureType)
|
---|
627 | {
|
---|
628 | case PlatformArchitecture_x86:
|
---|
629 | return mX86->i_commit();
|
---|
630 |
|
---|
631 | #ifdef VBOX_WITH_VIRT_ARMV8
|
---|
632 | case PlatformArchitecture_ARM:
|
---|
633 | return mARM->i_commit();
|
---|
634 | #endif
|
---|
635 | case PlatformArchitecture_None:
|
---|
636 | RT_FALL_THROUGH();
|
---|
637 | default:
|
---|
638 | break;
|
---|
639 | }
|
---|
640 |
|
---|
641 | AssertFailedReturnVoid();
|
---|
642 | }
|
---|
643 |
|
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644 | void Platform::i_copyFrom(Platform *aThat)
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645 | {
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646 | AssertReturnVoid(aThat != NULL);
|
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647 |
|
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648 | /* sanity */
|
---|
649 | AutoCaller autoCaller(this);
|
---|
650 | AssertComRCReturnVoid(autoCaller.hrc());
|
---|
651 |
|
---|
652 | /* sanity too */
|
---|
653 | AutoCaller thatCaller(aThat);
|
---|
654 | AssertComRCReturnVoid(thatCaller.hrc());
|
---|
655 |
|
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656 | /* peer is not modified, lock it for reading (aThat is "master" so locked
|
---|
657 | * first) */
|
---|
658 | AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
|
---|
659 | AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
|
---|
660 |
|
---|
661 | /* this will back up current data */
|
---|
662 | m->bd.assignCopy(aThat->m->bd);
|
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663 |
|
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664 | switch (m->bd->architectureType)
|
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665 | {
|
---|
666 | case PlatformArchitecture_x86:
|
---|
667 | return mX86->i_copyFrom(aThat->mX86);
|
---|
668 |
|
---|
669 | #ifdef VBOX_WITH_VIRT_ARMV8
|
---|
670 | case PlatformArchitecture_ARM:
|
---|
671 | return mARM->i_copyFrom(aThat->mARM);
|
---|
672 | #endif
|
---|
673 | case PlatformArchitecture_None:
|
---|
674 | RT_FALL_THROUGH();
|
---|
675 | default:
|
---|
676 | break;
|
---|
677 | }
|
---|
678 |
|
---|
679 | AssertFailedReturnVoid();
|
---|
680 | }
|
---|
681 |
|
---|
682 | /**
|
---|
683 | * Initializes the platform architecture.
|
---|
684 | *
|
---|
685 | * @returns HRESULT
|
---|
686 | * @retval VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED if platform architecture is not supported.
|
---|
687 | * @param aArchitecture Platform architecture to set.
|
---|
688 | * @param aThat Other platform object to use for shared / copied initialization. Optional.
|
---|
689 | * @param fCopy Whether to copy or share the configuration from / with \a aThat.
|
---|
690 | *
|
---|
691 | * @note Creates the platform-specific sub object (e.g. x86 or ARM).
|
---|
692 | * Usually only called when creating a new machine or loading settings.
|
---|
693 | */
|
---|
694 | HRESULT Platform::i_initArchitecture(PlatformArchitecture_T aArchitecture, Platform *aThat /* = NULL */, bool fCopy /* = false */)
|
---|
695 | {
|
---|
696 | /* sanity */
|
---|
697 | AutoCaller autoCaller(this);
|
---|
698 | AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
|
---|
699 |
|
---|
700 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
701 |
|
---|
702 | HRESULT hrc = S_OK;
|
---|
703 |
|
---|
704 | /* Currently we only keep the current platform-specific object around,
|
---|
705 | * e.g. we destroy any data for the former architecture (if any). */
|
---|
706 | uninitArchitecture();
|
---|
707 |
|
---|
708 | switch (aArchitecture)
|
---|
709 | {
|
---|
710 | case PlatformArchitecture_x86:
|
---|
711 | {
|
---|
712 | /* Create associated x86-specific platform object. */
|
---|
713 | Assert(mX86.isNull());
|
---|
714 | hrc = unconst(mX86).createObject();
|
---|
715 | ComAssertComRCRetRC(hrc);
|
---|
716 | if (aThat)
|
---|
717 | {
|
---|
718 | if (fCopy)
|
---|
719 | hrc = mX86->initCopy(this, mParent, aThat->mX86);
|
---|
720 | else
|
---|
721 | hrc = mX86->init(this, mParent, aThat->mX86);
|
---|
722 | }
|
---|
723 | else
|
---|
724 | hrc = mX86->init(this, mParent);
|
---|
725 | break;
|
---|
726 | }
|
---|
727 |
|
---|
728 | #ifdef VBOX_WITH_VIRT_ARMV8
|
---|
729 | case PlatformArchitecture_ARM:
|
---|
730 | {
|
---|
731 | /* Create associated ARM-specific platform object. */
|
---|
732 | Assert(mARM.isNull());
|
---|
733 | unconst(mARM).createObject();
|
---|
734 | ComAssertComRCRetRC(hrc);
|
---|
735 | if (aThat)
|
---|
736 | {
|
---|
737 | if (fCopy)
|
---|
738 | hrc = mARM->initCopy(this, mParent, aThat->mARM);
|
---|
739 | else
|
---|
740 | hrc = mARM->init(this, mParent, aThat->mARM);
|
---|
741 | }
|
---|
742 | else
|
---|
743 | hrc = mARM->init(this, mParent);
|
---|
744 | break;
|
---|
745 | }
|
---|
746 | #endif
|
---|
747 | default:
|
---|
748 | hrc = VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED;
|
---|
749 | break;
|
---|
750 | }
|
---|
751 |
|
---|
752 | if (SUCCEEDED(hrc))
|
---|
753 | {
|
---|
754 | m->bd->architectureType = aArchitecture;
|
---|
755 | LogRel(("Platform architecture set to '%s'\n", Global::stringifyPlatformArchitecture(m->bd->architectureType)));
|
---|
756 | }
|
---|
757 |
|
---|
758 | return hrc;
|
---|
759 | }
|
---|
760 |
|
---|
761 | HRESULT Platform::i_applyDefaults(GuestOSType *aOsType)
|
---|
762 | {
|
---|
763 | /* sanity */
|
---|
764 | AutoCaller autoCaller(this);
|
---|
765 | AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
|
---|
766 |
|
---|
767 | HRESULT hrc = S_OK;
|
---|
768 |
|
---|
769 | ChipsetType_T enmChipsetType = ChipsetType_Null;
|
---|
770 | IommuType_T enmIommuType = IommuType_None;
|
---|
771 | BOOL fRTCUseUTC = FALSE;
|
---|
772 |
|
---|
773 | if (aOsType)
|
---|
774 | {
|
---|
775 | hrc = aOsType->COMGETTER(RecommendedChipset)(&enmChipsetType);
|
---|
776 | AssertComRCReturnRC(hrc);
|
---|
777 |
|
---|
778 | hrc = aOsType->COMGETTER(RecommendedIommuType)(&enmIommuType);
|
---|
779 | AssertComRCReturnRC(hrc);
|
---|
780 |
|
---|
781 | hrc = aOsType->COMGETTER(RecommendedRTCUseUTC)(&fRTCUseUTC);
|
---|
782 | AssertComRCReturnRC(hrc);
|
---|
783 | }
|
---|
784 | else
|
---|
785 | {
|
---|
786 | /* No guest OS type object. Pick some plausible defaults which the
|
---|
787 | * host can handle. There's no way to know or validate anything. */
|
---|
788 | switch (m->bd->architectureType)
|
---|
789 | {
|
---|
790 | case PlatformArchitecture_x86:
|
---|
791 | {
|
---|
792 | /* Note: These are the value we ever had, so default to these. */
|
---|
793 | enmChipsetType = ChipsetType_PIIX3;
|
---|
794 | enmIommuType = IommuType_None;
|
---|
795 | fRTCUseUTC = FALSE;
|
---|
796 | break;
|
---|
797 | }
|
---|
798 |
|
---|
799 | case PlatformArchitecture_ARM:
|
---|
800 | {
|
---|
801 | /* Note: These are the value we ever had, so default to these. */
|
---|
802 | enmChipsetType = ChipsetType_ARMv8Virtual;
|
---|
803 | enmIommuType = IommuType_None;
|
---|
804 | fRTCUseUTC = TRUE; /** @todo BUGBUG Is this correct for ARM? */
|
---|
805 | break;
|
---|
806 | }
|
---|
807 |
|
---|
808 | default:
|
---|
809 | AssertFailed();
|
---|
810 | break;
|
---|
811 | }
|
---|
812 | }
|
---|
813 |
|
---|
814 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
815 |
|
---|
816 | m->bd->chipsetType = enmChipsetType;
|
---|
817 | m->bd->iommuType = enmIommuType;
|
---|
818 | m->bd->fRTCUseUTC = fRTCUseUTC;
|
---|
819 |
|
---|
820 | alock.release();
|
---|
821 |
|
---|
822 | /* Allocates architecture-dependent stuff. */
|
---|
823 | hrc = i_initArchitecture(m->bd->architectureType);
|
---|
824 | AssertComRCReturnRC(hrc);
|
---|
825 |
|
---|
826 | /* Do the same for the platform specifics. */
|
---|
827 | switch (m->bd->architectureType)
|
---|
828 | {
|
---|
829 | case PlatformArchitecture_x86:
|
---|
830 | hrc = mX86->i_applyDefaults(aOsType);
|
---|
831 | break;
|
---|
832 |
|
---|
833 | #ifdef VBOX_WITH_VIRT_ARMV8
|
---|
834 | case PlatformArchitecture_ARM:
|
---|
835 | hrc = mARM->i_applyDefaults(aOsType);
|
---|
836 | break;
|
---|
837 | #endif
|
---|
838 | case PlatformArchitecture_None:
|
---|
839 | RT_FALL_THROUGH();
|
---|
840 | default:
|
---|
841 | hrc = VBOX_E_NOT_SUPPORTED;
|
---|
842 | break;
|
---|
843 | }
|
---|
844 | AssertComRCReturnRC(hrc);
|
---|
845 |
|
---|
846 | /* Sanity. */
|
---|
847 | Assert(enmChipsetType != ChipsetType_Null);
|
---|
848 |
|
---|
849 | return hrc;
|
---|
850 | }
|
---|
851 |
|
---|