1 | /** @file
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2 | * VM - The Virtual Machine, data.
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3 | */
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4 |
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5 | /*
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6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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7 | *
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8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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9 | * available from http://www.virtualbox.org. This file is free software;
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10 | * you can redistribute it and/or modify it under the terms of the GNU
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11 | * General Public License (GPL) as published by the Free Software
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12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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15 | *
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16 | * The contents of this file may alternatively be used under the terms
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17 | * of the Common Development and Distribution License Version 1.0
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18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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19 | * VirtualBox OSE distribution, in which case the provisions of the
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20 | * CDDL are applicable instead of those of the GPL.
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21 | *
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22 | * You may elect to license modified versions of this file under the
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23 | * terms and conditions of either the GPL or the CDDL or both.
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24 | *
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25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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27 | * additional information or have any questions.
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28 | */
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29 |
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30 | #ifndef ___VBox_vm_h
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31 | #define ___VBox_vm_h
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32 |
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33 | #include <VBox/cdefs.h>
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34 | #include <VBox/types.h>
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35 | #include <VBox/cpum.h>
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36 | #include <VBox/stam.h>
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37 | #include <VBox/vmapi.h>
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38 | #include <VBox/sup.h>
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39 |
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40 |
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41 | /** @defgroup grp_vm The Virtual Machine
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42 | * @{
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43 | */
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44 |
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45 | /** The name of the Guest Context VMM Core module. */
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46 | #define VMMGC_MAIN_MODULE_NAME "VMMGC.gc"
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47 | /** The name of the Ring 0 Context VMM Core module. */
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48 | #define VMMR0_MAIN_MODULE_NAME "VMMR0.r0"
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49 |
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50 | /** VM Forced Action Flags.
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51 | *
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52 | * Use the VM_FF_SET() and VM_FF_CLEAR() macros to change the force
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53 | * action mask of a VM.
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54 | *
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55 | * @{
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56 | */
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57 | /** This action forces the VM to service check and pending interrups on the APIC. */
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58 | #define VM_FF_INTERRUPT_APIC RT_BIT_32(0)
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59 | /** This action forces the VM to service check and pending interrups on the PIC. */
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60 | #define VM_FF_INTERRUPT_PIC RT_BIT_32(1)
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61 | /** This action forces the VM to schedule and run pending timer (TM). */
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62 | #define VM_FF_TIMER RT_BIT_32(2)
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63 | /** PDM Queues are pending. */
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64 | #define VM_FF_PDM_QUEUES RT_BIT_32(3)
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65 | /** PDM DMA transfers are pending. */
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66 | #define VM_FF_PDM_DMA RT_BIT_32(4)
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67 | /** PDM critical section unlocking is pending, process promptly upon return to R3. */
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68 | #define VM_FF_PDM_CRITSECT RT_BIT_32(5)
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69 |
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70 | /** This action forces the VM to call DBGF so DBGF can service debugger
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71 | * requests in the emulation thread.
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72 | * This action flag stays asserted till DBGF clears it.*/
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73 | #define VM_FF_DBGF RT_BIT_32(8)
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74 | /** This action forces the VM to service pending requests from other
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75 | * thread or requests which must be executed in another context. */
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76 | #define VM_FF_REQUEST RT_BIT_32(9)
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77 | /** Terminate the VM immediately. */
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78 | #define VM_FF_TERMINATE RT_BIT_32(10)
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79 | /** Reset the VM. (postponed) */
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80 | #define VM_FF_RESET RT_BIT_32(11)
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81 |
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82 | /** This action forces the VM to resync the page tables before going
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83 | * back to execute guest code. (GLOBAL FLUSH) */
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84 | #define VM_FF_PGM_SYNC_CR3 RT_BIT_32(16)
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85 | /** Same as VM_FF_PGM_SYNC_CR3 except that global pages can be skipped.
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86 | * (NON-GLOBAL FLUSH) */
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87 | #define VM_FF_PGM_SYNC_CR3_NON_GLOBAL RT_BIT_32(17)
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88 | /** PGM needs to allocate handy pages. */
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89 | #define VM_FF_PGM_NEED_HANDY_PAGES RT_BIT_32(18)
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90 | /** Check the interupt and trap gates */
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91 | #define VM_FF_TRPM_SYNC_IDT RT_BIT_32(19)
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92 | /** Check Guest's TSS ring 0 stack */
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93 | #define VM_FF_SELM_SYNC_TSS RT_BIT_32(20)
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94 | /** Check Guest's GDT table */
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95 | #define VM_FF_SELM_SYNC_GDT RT_BIT_32(21)
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96 | /** Check Guest's LDT table */
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97 | #define VM_FF_SELM_SYNC_LDT RT_BIT_32(22)
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98 | /** Inhibit interrupts pending. See EMGetInhibitInterruptsPC(). */
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99 | #define VM_FF_INHIBIT_INTERRUPTS RT_BIT_32(23)
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100 |
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101 | /** CSAM needs to scan the page that's being executed */
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102 | #define VM_FF_CSAM_SCAN_PAGE RT_BIT_32(24)
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103 | /** CSAM needs to do some homework. */
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104 | #define VM_FF_CSAM_PENDING_ACTION RT_BIT_32(25)
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105 |
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106 | /** Force return to Ring-3. */
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107 | #define VM_FF_TO_R3 RT_BIT_32(28)
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108 |
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109 | /** Suspend the VM - debug only. */
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110 | #define VM_FF_DEBUG_SUSPEND RT_BIT_32(31)
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111 |
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112 | /** Externally forced actions. Used to quit the idle/wait loop. */
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113 | #define VM_FF_EXTERNAL_SUSPENDED_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_REQUEST)
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114 | /** Externally forced actions. Used to quit the idle/wait loop. */
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115 | #define VM_FF_EXTERNAL_HALTED_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_TIMER | VM_FF_INTERRUPT_APIC | VM_FF_INTERRUPT_PIC | VM_FF_REQUEST | VM_FF_PDM_QUEUES | VM_FF_PDM_DMA)
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116 | /** High priority pre-execution actions. */
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117 | #define VM_FF_HIGH_PRIORITY_PRE_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_INTERRUPT_APIC | VM_FF_INTERRUPT_PIC | VM_FF_TIMER | VM_FF_DEBUG_SUSPEND \
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118 | | VM_FF_PGM_SYNC_CR3 | VM_FF_PGM_SYNC_CR3_NON_GLOBAL | VM_FF_SELM_SYNC_TSS | VM_FF_TRPM_SYNC_IDT | VM_FF_SELM_SYNC_GDT | VM_FF_SELM_SYNC_LDT | VM_FF_PGM_NEED_HANDY_PAGES)
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119 | /** High priority pre raw-mode execution mask. */
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120 | #define VM_FF_HIGH_PRIORITY_PRE_RAW_MASK (VM_FF_PGM_SYNC_CR3 | VM_FF_PGM_SYNC_CR3_NON_GLOBAL | VM_FF_SELM_SYNC_TSS | VM_FF_TRPM_SYNC_IDT | VM_FF_SELM_SYNC_GDT | VM_FF_SELM_SYNC_LDT | VM_FF_PGM_NEED_HANDY_PAGES \
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121 | | VM_FF_INHIBIT_INTERRUPTS)
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122 | /** High priority post-execution actions. */
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123 | #define VM_FF_HIGH_PRIORITY_POST_MASK (VM_FF_PDM_CRITSECT | VM_FF_CSAM_PENDING_ACTION)
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124 | /** Normal priority post-execution actions. */
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125 | #define VM_FF_NORMAL_PRIORITY_POST_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_RESET | VM_FF_CSAM_SCAN_PAGE)
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126 | /** Normal priority actions. */
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127 | #define VM_FF_NORMAL_PRIORITY_MASK (VM_FF_REQUEST | VM_FF_PDM_QUEUES | VM_FF_PDM_DMA)
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128 | /** Flags to check before resuming guest execution. */
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129 | #define VM_FF_RESUME_GUEST_MASK (VM_FF_TO_R3)
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130 | /** All the forced flags. */
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131 | #define VM_FF_ALL_MASK (~0U)
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132 | /** All the forced flags. */
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133 | #define VM_FF_ALL_BUT_RAW_MASK (~(VM_FF_HIGH_PRIORITY_PRE_RAW_MASK | VM_FF_CSAM_PENDING_ACTION | VM_FF_PDM_CRITSECT))
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134 |
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135 | /** @} */
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136 |
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137 | /** @def VM_FF_SET
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138 | * Sets a force action flag.
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139 | *
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140 | * @param pVM VM Handle.
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141 | * @param fFlag The flag to set.
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142 | */
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143 | #if 1
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144 | # define VM_FF_SET(pVM, fFlag) ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag))
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145 | #else
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146 | # define VM_FF_SET(pVM, fFlag) \
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147 | do { ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag)); \
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148 | RTLogPrintf("VM_FF_SET : %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
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149 | } while (0)
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150 | #endif
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151 |
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152 | /** @def VM_FF_CLEAR
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153 | * Clears a force action flag.
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154 | *
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155 | * @param pVM VM Handle.
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156 | * @param fFlag The flag to clear.
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157 | */
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158 | #if 1
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159 | # define VM_FF_CLEAR(pVM, fFlag) ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag))
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160 | #else
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161 | # define VM_FF_CLEAR(pVM, fFlag) \
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162 | do { ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag)); \
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163 | RTLogPrintf("VM_FF_CLEAR: %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
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164 | } while (0)
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165 | #endif
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166 |
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167 | /** @def VM_FF_ISSET
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168 | * Checks if a force action flag is set.
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169 | *
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170 | * @param pVM VM Handle.
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171 | * @param fFlag The flag to check.
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172 | */
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173 | #define VM_FF_ISSET(pVM, fFlag) (((pVM)->fForcedActions & (fFlag)) == (fFlag))
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174 |
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175 | /** @def VM_FF_ISPENDING
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176 | * Checks if one or more force action in the specified set is pending.
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177 | *
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178 | * @param pVM VM Handle.
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179 | * @param fFlags The flags to check for.
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180 | */
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181 | #define VM_FF_ISPENDING(pVM, fFlags) ((pVM)->fForcedActions & (fFlags))
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182 |
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183 |
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184 | /** @def VM_IS_EMT
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185 | * Checks if the current thread is the emulation thread (EMT).
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186 | *
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187 | * @remark The ring-0 variation will need attention if we expand the ring-0
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188 | * code to let threads other than EMT mess around with the VM.
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189 | */
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190 | #ifdef IN_GC
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191 | # define VM_IS_EMT(pVM) true
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192 | #elif defined(IN_RING0)
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193 | # define VM_IS_EMT(pVM) true
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194 | #else
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195 | # define VM_IS_EMT(pVM) ((pVM)->NativeThreadEMT == RTThreadNativeSelf())
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196 | #endif
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197 |
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198 | /** @def VM_ASSERT_EMT
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199 | * Asserts that the current thread IS the emulation thread (EMT).
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200 | */
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201 | #ifdef IN_GC
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202 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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203 | #elif defined(IN_RING0)
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204 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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205 | #else
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206 | # define VM_ASSERT_EMT(pVM) \
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207 | AssertMsg(VM_IS_EMT(pVM), \
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208 | ("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT))
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209 | #endif
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210 |
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211 | /** @def VM_ASSERT_EMT_RETURN
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212 | * Asserts that the current thread IS the emulation thread (EMT) and returns if it isn't.
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213 | */
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214 | #ifdef IN_GC
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215 | # define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
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216 | #elif defined(IN_RING0)
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217 | # define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
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218 | #else
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219 | # define VM_ASSERT_EMT_RETURN(pVM, rc) \
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220 | AssertMsgReturn(VM_IS_EMT(pVM), \
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221 | ("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT), \
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222 | (rc))
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223 | #endif
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224 |
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225 | /**
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226 | * Asserts that the current thread is NOT the emulation thread.
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227 | */
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228 | #define VM_ASSERT_OTHER_THREAD(pVM) \
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229 | AssertMsg(!VM_IS_EMT(pVM), ("Not other thread!!\n"))
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230 |
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231 |
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232 | /** @def VM_ASSERT_STATE_RETURN
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233 | * Asserts a certain VM state.
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234 | */
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235 | #define VM_ASSERT_STATE(pVM, _enmState) \
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236 | AssertMsg((pVM)->enmVMState == (_enmState), \
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237 | ("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)))
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238 |
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239 | /** @def VM_ASSERT_STATE_RETURN
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240 | * Asserts a certain VM state and returns if it doesn't match.
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241 | */
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242 | #define VM_ASSERT_STATE_RETURN(pVM, _enmState, rc) \
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243 | AssertMsgReturn((pVM)->enmVMState == (_enmState), \
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244 | ("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)), \
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245 | (rc))
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246 |
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247 |
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248 |
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249 |
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250 | /** This is the VM structure.
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251 | *
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252 | * It contains (nearly?) all the VM data which have to be available in all
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253 | * contexts. Even if it contains all the data the idea is to use APIs not
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254 | * to modify all the members all around the place. Therefore we make use of
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255 | * unions to hide everything which isn't local to the current source module.
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256 | * This means we'll have to pay a little bit of attention when adding new
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257 | * members to structures in the unions and make sure to keep the padding sizes
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258 | * up to date.
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259 | *
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260 | * Run tstVMStructSize after update!
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261 | */
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262 | typedef struct VM
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263 | {
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264 | /** The state of the VM.
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265 | * This field is read only to everyone except the VM and EM. */
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266 | VMSTATE enmVMState;
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267 | /** Forced action flags.
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268 | * See the VM_FF_* \#defines. Updated atomically.
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269 | */
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270 | volatile uint32_t fForcedActions;
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271 | /** Pointer to the array of page descriptors for the VM structure allocation. */
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272 | R3PTRTYPE(PSUPPAGE) paVMPagesR3;
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273 | /** Session handle. For use when calling SUPR0 APIs. */
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274 | PSUPDRVSESSION pSession;
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275 | /** Pointer to the ring-3 VM structure. */
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276 | PUVM pUVM;
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277 | /** Ring-3 Host Context VM Pointer. */
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278 | R3PTRTYPE(struct VM *) pVMR3;
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279 | /** Ring-0 Host Context VM Pointer. */
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280 | R0PTRTYPE(struct VM *) pVMR0;
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281 | /** Guest Context VM Pointer. */
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282 | GCPTRTYPE(struct VM *) pVMGC;
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283 |
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284 | /** The GVM VM handle. Only the GVM should modify this field. */
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285 | uint32_t hSelf;
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286 | /** Reserved / padding. */
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287 | uint32_t u32Reserved;
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288 |
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289 | /** @name Public VMM Switcher APIs
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290 | * @{ */
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291 | /**
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292 | * Assembly switch entry point for returning to host context.
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293 | * This function will clean up the stack frame.
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294 | *
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295 | * @param eax The return code, register.
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296 | * @param Ctx The guest core context.
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297 | * @remark Assume interrupts disabled.
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298 | */
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299 | RTGCPTR32 pfnVMMGCGuestToHostAsmGuestCtx/*(int32_t eax, CPUMCTXCORE Ctx)*/;
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300 |
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301 | /**
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302 | * Assembly switch entry point for returning to host context.
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303 | *
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304 | * This is an alternative entry point which we'll be using when the we have the
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305 | * hypervisor context and need to save that before going to the host.
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306 | *
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307 | * This is typically useful when abandoning the hypervisor because of a trap
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308 | * and want the trap state to be saved.
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309 | *
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310 | * @param eax The return code, register.
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311 | * @param ecx Pointer to the hypervisor core context, register.
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312 | * @remark Assume interrupts disabled.
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313 | */
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314 | RTGCPTR32 pfnVMMGCGuestToHostAsmHyperCtx/*(int32_t eax, PCPUMCTXCORE ecx)*/;
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315 |
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316 | /**
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317 | * Assembly switch entry point for returning to host context.
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318 | *
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319 | * This is an alternative to the two *Ctx APIs and implies that the context has already
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320 | * been saved, or that it's just a brief return to HC and that the caller intends to resume
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321 | * whatever it is doing upon 'return' from this call.
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322 | *
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323 | * @param eax The return code, register.
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324 | * @remark Assume interrupts disabled.
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325 | */
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326 | RTGCPTR32 pfnVMMGCGuestToHostAsm/*(int32_t eax)*/;
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327 | /** @} */
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328 |
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329 |
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330 | /** @name Various VM data owned by VM.
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331 | * @{ */
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332 | /** The thread handle of the emulation thread.
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333 | * Use the VM_IS_EMT() macro to check if executing in EMT. */
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334 | RTTHREAD ThreadEMT;
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335 | /** The native handle of ThreadEMT. Getting the native handle
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336 | * is generally faster than getting the IPRT one (except on OS/2 :-). */
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337 | RTNATIVETHREAD NativeThreadEMT;
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338 | /** @} */
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339 |
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340 |
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341 | /** @name Various items that are frequently accessed.
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342 | * @{ */
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343 | /** Raw ring-3 indicator. */
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344 | bool fRawR3Enabled;
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345 | /** Raw ring-0 indicator. */
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346 | bool fRawR0Enabled;
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347 | /** PATM enabled flag.
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348 | * This is placed here for performance reasons. */
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349 | bool fPATMEnabled;
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350 | /** CSAM enabled flag.
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351 | * This is placed here for performance reasons. */
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352 | bool fCSAMEnabled;
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353 |
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354 | /** Hardware VM support is available and enabled.
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355 | * This is placed here for performance reasons. */
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356 | bool fHWACCMEnabled;
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357 | /** @} */
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358 |
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359 |
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360 | /* padding to make gnuc put the StatQemuToGC where msc does. */
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361 | #if HC_ARCH_BITS == 32
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362 | uint32_t padding0;
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363 | #endif
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364 |
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365 | /** Profiling the total time from Qemu to GC. */
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366 | STAMPROFILEADV StatTotalQemuToGC;
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367 | /** Profiling the total time from GC to Qemu. */
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368 | STAMPROFILEADV StatTotalGCToQemu;
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369 | /** Profiling the total time spent in GC. */
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370 | STAMPROFILEADV StatTotalInGC;
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371 | /** Profiling the total time spent not in Qemu. */
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372 | STAMPROFILEADV StatTotalInQemu;
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373 | /** Profiling the VMMSwitcher code for going to GC. */
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374 | STAMPROFILEADV StatSwitcherToGC;
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375 | /** Profiling the VMMSwitcher code for going to HC. */
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376 | STAMPROFILEADV StatSwitcherToHC;
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377 | STAMPROFILEADV StatSwitcherSaveRegs;
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378 | STAMPROFILEADV StatSwitcherSysEnter;
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379 | STAMPROFILEADV StatSwitcherDebug;
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380 | STAMPROFILEADV StatSwitcherCR0;
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381 | STAMPROFILEADV StatSwitcherCR4;
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382 | STAMPROFILEADV StatSwitcherJmpCR3;
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383 | STAMPROFILEADV StatSwitcherRstrRegs;
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384 | STAMPROFILEADV StatSwitcherLgdt;
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385 | STAMPROFILEADV StatSwitcherLidt;
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386 | STAMPROFILEADV StatSwitcherLldt;
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387 | STAMPROFILEADV StatSwitcherTSS;
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388 |
|
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389 | /* padding - the unions must be aligned on 32 bytes boundraries. */
|
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390 | uint32_t padding[HC_ARCH_BITS == 32 ? 4 : 6];
|
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391 |
|
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392 | /** CPUM part. */
|
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393 | union
|
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394 | {
|
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395 | #ifdef ___CPUMInternal_h
|
---|
396 | struct CPUM s;
|
---|
397 | #endif
|
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398 | char padding[4384]; /* multiple of 32 */
|
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399 | } cpum;
|
---|
400 |
|
---|
401 | /** VMM part. */
|
---|
402 | union
|
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403 | {
|
---|
404 | #ifdef ___VMMInternal_h
|
---|
405 | struct VMM s;
|
---|
406 | #endif
|
---|
407 | char padding[1024]; /* multiple of 32 */
|
---|
408 | } vmm;
|
---|
409 |
|
---|
410 | /** PGM part. */
|
---|
411 | union
|
---|
412 | {
|
---|
413 | #ifdef ___PGMInternal_h
|
---|
414 | struct PGM s;
|
---|
415 | #endif
|
---|
416 | char padding[50*1024]; /* multiple of 32 */
|
---|
417 | } pgm;
|
---|
418 |
|
---|
419 | /** HWACCM part. */
|
---|
420 | union
|
---|
421 | {
|
---|
422 | #ifdef ___HWACCMInternal_h
|
---|
423 | struct HWACCM s;
|
---|
424 | #endif
|
---|
425 | char padding[1024]; /* multiple of 32 */
|
---|
426 | } hwaccm;
|
---|
427 |
|
---|
428 | /** TRPM part. */
|
---|
429 | union
|
---|
430 | {
|
---|
431 | #ifdef ___TRPMInternal_h
|
---|
432 | struct TRPM s;
|
---|
433 | #endif
|
---|
434 | char padding[5344]; /* multiple of 32 */
|
---|
435 | } trpm;
|
---|
436 |
|
---|
437 | /** SELM part. */
|
---|
438 | union
|
---|
439 | {
|
---|
440 | #ifdef ___SELMInternal_h
|
---|
441 | struct SELM s;
|
---|
442 | #endif
|
---|
443 | char padding[544]; /* multiple of 32 */
|
---|
444 | } selm;
|
---|
445 |
|
---|
446 | /** MM part. */
|
---|
447 | union
|
---|
448 | {
|
---|
449 | #ifdef ___MMInternal_h
|
---|
450 | struct MM s;
|
---|
451 | #endif
|
---|
452 | char padding[128]; /* multiple of 32 */
|
---|
453 | } mm;
|
---|
454 |
|
---|
455 | /** CFGM part. */
|
---|
456 | union
|
---|
457 | {
|
---|
458 | #ifdef ___CFGMInternal_h
|
---|
459 | struct CFGM s;
|
---|
460 | #endif
|
---|
461 | char padding[32]; /* multiple of 32 */
|
---|
462 | } cfgm;
|
---|
463 |
|
---|
464 | /** PDM part. */
|
---|
465 | union
|
---|
466 | {
|
---|
467 | #ifdef ___PDMInternal_h
|
---|
468 | struct PDM s;
|
---|
469 | #endif
|
---|
470 | char padding[1056]; /* multiple of 32 */
|
---|
471 | } pdm;
|
---|
472 |
|
---|
473 | /** IOM part. */
|
---|
474 | union
|
---|
475 | {
|
---|
476 | #ifdef ___IOMInternal_h
|
---|
477 | struct IOM s;
|
---|
478 | #endif
|
---|
479 | char padding[4544]; /* multiple of 32 */
|
---|
480 | } iom;
|
---|
481 |
|
---|
482 | /** PATM part. */
|
---|
483 | union
|
---|
484 | {
|
---|
485 | #ifdef ___PATMInternal_h
|
---|
486 | struct PATM s;
|
---|
487 | #endif
|
---|
488 | char padding[768]; /* multiple of 32 */
|
---|
489 | } patm;
|
---|
490 |
|
---|
491 | /** CSAM part. */
|
---|
492 | union
|
---|
493 | {
|
---|
494 | #ifdef ___CSAMInternal_h
|
---|
495 | struct CSAM s;
|
---|
496 | #endif
|
---|
497 | char padding[3328]; /* multiple of 32 */
|
---|
498 | } csam;
|
---|
499 |
|
---|
500 | /** EM part. */
|
---|
501 | union
|
---|
502 | {
|
---|
503 | #ifdef ___EMInternal_h
|
---|
504 | struct EM s;
|
---|
505 | #endif
|
---|
506 | char padding[1344]; /* multiple of 32 */
|
---|
507 | } em;
|
---|
508 |
|
---|
509 | /** TM part. */
|
---|
510 | union
|
---|
511 | {
|
---|
512 | #ifdef ___TMInternal_h
|
---|
513 | struct TM s;
|
---|
514 | #endif
|
---|
515 | char padding[1312]; /* multiple of 32 */
|
---|
516 | } tm;
|
---|
517 |
|
---|
518 | /** DBGF part. */
|
---|
519 | union
|
---|
520 | {
|
---|
521 | #ifdef ___DBGFInternal_h
|
---|
522 | struct DBGF s;
|
---|
523 | #endif
|
---|
524 | char padding[HC_ARCH_BITS == 32 ? 1920 : 1952]; /* multiple of 32 */
|
---|
525 | } dbgf;
|
---|
526 |
|
---|
527 | /** SSM part. */
|
---|
528 | union
|
---|
529 | {
|
---|
530 | #ifdef ___SSMInternal_h
|
---|
531 | struct SSM s;
|
---|
532 | #endif
|
---|
533 | char padding[32]; /* multiple of 32 */
|
---|
534 | } ssm;
|
---|
535 |
|
---|
536 | /** VM part. */
|
---|
537 | union
|
---|
538 | {
|
---|
539 | #ifdef ___VMInternal_h
|
---|
540 | struct VMINT s;
|
---|
541 | #endif
|
---|
542 | char padding[768]; /* multiple of 32 */
|
---|
543 | } vm;
|
---|
544 |
|
---|
545 | /** REM part. */
|
---|
546 | union
|
---|
547 | {
|
---|
548 | #ifdef ___REMInternal_h
|
---|
549 | struct REM s;
|
---|
550 | #endif
|
---|
551 | char padding[HC_ARCH_BITS == 32 ? 0x6f00 : 0xbf00]; /* multiple of 32 */
|
---|
552 | } rem;
|
---|
553 | } VM;
|
---|
554 |
|
---|
555 | /** Pointer to a VM. */
|
---|
556 | #ifndef ___VBox_types_h
|
---|
557 | typedef struct VM *PVM;
|
---|
558 | #endif
|
---|
559 |
|
---|
560 |
|
---|
561 | #ifdef IN_GC
|
---|
562 | __BEGIN_DECLS
|
---|
563 |
|
---|
564 | /** The VM structure.
|
---|
565 | * This is imported from the VMMGCBuiltin module, i.e. it's a one
|
---|
566 | * of those magic globals which we should avoid using.
|
---|
567 | */
|
---|
568 | extern DECLIMPORT(VM) g_VM;
|
---|
569 |
|
---|
570 | __END_DECLS
|
---|
571 | #endif
|
---|
572 |
|
---|
573 | /** @} */
|
---|
574 |
|
---|
575 | #endif
|
---|
576 |
|
---|