| 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 | /** REM needs to be informed about handler changes. */
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| 110 | #define VM_FF_REM_HANDLER_NOTIFY RT_BIT_32(29)
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| 111 |
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| 112 | /** Suspend the VM - debug only. */
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| 113 | #define VM_FF_DEBUG_SUSPEND RT_BIT_32(31)
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| 114 |
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| 115 | /** Externally forced actions. Used to quit the idle/wait loop. */
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| 116 | #define VM_FF_EXTERNAL_SUSPENDED_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_REQUEST)
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| 117 | /** Externally forced actions. Used to quit the idle/wait loop. */
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| 118 | #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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| 119 | /** High priority pre-execution actions. */
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| 120 | #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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| 121 | | 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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| 122 | /** High priority pre raw-mode execution mask. */
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| 123 | #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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| 124 | | VM_FF_INHIBIT_INTERRUPTS)
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| 125 | /** High priority post-execution actions. */
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| 126 | #define VM_FF_HIGH_PRIORITY_POST_MASK (VM_FF_PDM_CRITSECT | VM_FF_CSAM_PENDING_ACTION)
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| 127 | /** Normal priority post-execution actions. */
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| 128 | #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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| 129 | /** Normal priority actions. */
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| 130 | #define VM_FF_NORMAL_PRIORITY_MASK (VM_FF_REQUEST | VM_FF_PDM_QUEUES | VM_FF_PDM_DMA | VM_FF_REM_HANDLER_NOTIFY)
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| 131 | /** Flags to check before resuming guest execution. */
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| 132 | #define VM_FF_RESUME_GUEST_MASK (VM_FF_TO_R3)
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| 133 | /** All the forced flags. */
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| 134 | #define VM_FF_ALL_MASK (~0U)
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| 135 | /** All the forced flags. */
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| 136 | #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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| 137 |
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| 138 | /** @} */
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| 139 |
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| 140 | /** @def VM_FF_SET
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| 141 | * Sets a force action flag.
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| 142 | *
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| 143 | * @param pVM VM Handle.
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| 144 | * @param fFlag The flag to set.
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| 145 | */
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| 146 | #if 1
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| 147 | # define VM_FF_SET(pVM, fFlag) ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag))
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| 148 | #else
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| 149 | # define VM_FF_SET(pVM, fFlag) \
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| 150 | do { ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag)); \
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| 151 | RTLogPrintf("VM_FF_SET : %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
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| 152 | } while (0)
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| 153 | #endif
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| 154 |
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| 155 | /** @def VM_FF_CLEAR
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| 156 | * Clears a force action flag.
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| 157 | *
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| 158 | * @param pVM VM Handle.
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| 159 | * @param fFlag The flag to clear.
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| 160 | */
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| 161 | #if 1
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| 162 | # define VM_FF_CLEAR(pVM, fFlag) ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag))
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| 163 | #else
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| 164 | # define VM_FF_CLEAR(pVM, fFlag) \
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| 165 | do { ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag)); \
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| 166 | RTLogPrintf("VM_FF_CLEAR: %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
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| 167 | } while (0)
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| 168 | #endif
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| 169 |
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| 170 | /** @def VM_FF_ISSET
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| 171 | * Checks if a force action flag is set.
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| 172 | *
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| 173 | * @param pVM VM Handle.
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| 174 | * @param fFlag The flag to check.
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| 175 | */
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| 176 | #define VM_FF_ISSET(pVM, fFlag) (((pVM)->fForcedActions & (fFlag)) == (fFlag))
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| 177 |
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| 178 | /** @def VM_FF_ISPENDING
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| 179 | * Checks if one or more force action in the specified set is pending.
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| 180 | *
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| 181 | * @param pVM VM Handle.
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| 182 | * @param fFlags The flags to check for.
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| 183 | */
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| 184 | #define VM_FF_ISPENDING(pVM, fFlags) ((pVM)->fForcedActions & (fFlags))
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| 185 |
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| 186 |
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| 187 | /** @def VM_IS_EMT
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| 188 | * Checks if the current thread is the emulation thread (EMT).
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| 189 | *
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| 190 | * @remark The ring-0 variation will need attention if we expand the ring-0
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| 191 | * code to let threads other than EMT mess around with the VM.
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| 192 | */
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| 193 | #ifdef IN_GC
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| 194 | # define VM_IS_EMT(pVM) true
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| 195 | #elif defined(IN_RING0)
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| 196 | # define VM_IS_EMT(pVM) true
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| 197 | #else
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| 198 | # define VM_IS_EMT(pVM) ((pVM)->NativeThreadEMT == RTThreadNativeSelf())
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| 199 | #endif
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| 200 |
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| 201 | /** @def VM_ASSERT_EMT
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| 202 | * Asserts that the current thread IS the emulation thread (EMT).
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| 203 | */
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| 204 | #ifdef IN_GC
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| 205 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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| 206 | #elif defined(IN_RING0)
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| 207 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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| 208 | #else
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| 209 | # define VM_ASSERT_EMT(pVM) \
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| 210 | AssertMsg(VM_IS_EMT(pVM), \
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| 211 | ("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT))
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| 212 | #endif
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| 213 |
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| 214 | /** @def VM_ASSERT_EMT_RETURN
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| 215 | * Asserts that the current thread IS the emulation thread (EMT) and returns if it isn't.
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| 216 | */
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| 217 | #ifdef IN_GC
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| 218 | # define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
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| 219 | #elif defined(IN_RING0)
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| 220 | # define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
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| 221 | #else
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| 222 | # define VM_ASSERT_EMT_RETURN(pVM, rc) \
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| 223 | AssertMsgReturn(VM_IS_EMT(pVM), \
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| 224 | ("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT), \
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| 225 | (rc))
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| 226 | #endif
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| 227 |
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| 228 | /**
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| 229 | * Asserts that the current thread is NOT the emulation thread.
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| 230 | */
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| 231 | #define VM_ASSERT_OTHER_THREAD(pVM) \
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| 232 | AssertMsg(!VM_IS_EMT(pVM), ("Not other thread!!\n"))
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| 233 |
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| 234 |
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| 235 | /** @def VM_ASSERT_STATE_RETURN
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| 236 | * Asserts a certain VM state.
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| 237 | */
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| 238 | #define VM_ASSERT_STATE(pVM, _enmState) \
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| 239 | AssertMsg((pVM)->enmVMState == (_enmState), \
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| 240 | ("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)))
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| 241 |
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| 242 | /** @def VM_ASSERT_STATE_RETURN
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| 243 | * Asserts a certain VM state and returns if it doesn't match.
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| 244 | */
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| 245 | #define VM_ASSERT_STATE_RETURN(pVM, _enmState, rc) \
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| 246 | AssertMsgReturn((pVM)->enmVMState == (_enmState), \
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| 247 | ("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)), \
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| 248 | (rc))
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| 249 |
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| 250 |
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| 251 |
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| 252 |
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| 253 | /** This is the VM structure.
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| 254 | *
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| 255 | * It contains (nearly?) all the VM data which have to be available in all
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| 256 | * contexts. Even if it contains all the data the idea is to use APIs not
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| 257 | * to modify all the members all around the place. Therefore we make use of
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| 258 | * unions to hide everything which isn't local to the current source module.
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| 259 | * This means we'll have to pay a little bit of attention when adding new
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| 260 | * members to structures in the unions and make sure to keep the padding sizes
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| 261 | * up to date.
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| 262 | *
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| 263 | * Run tstVMStructSize after update!
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| 264 | */
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| 265 | typedef struct VM
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| 266 | {
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| 267 | /** The state of the VM.
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| 268 | * This field is read only to everyone except the VM and EM. */
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| 269 | VMSTATE enmVMState;
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| 270 | /** Forced action flags.
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| 271 | * See the VM_FF_* \#defines. Updated atomically.
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| 272 | */
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| 273 | volatile uint32_t fForcedActions;
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| 274 | /** Pointer to the array of page descriptors for the VM structure allocation. */
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| 275 | R3PTRTYPE(PSUPPAGE) paVMPagesR3;
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| 276 | /** Session handle. For use when calling SUPR0 APIs. */
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| 277 | PSUPDRVSESSION pSession;
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| 278 | /** Pointer to the ring-3 VM structure. */
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| 279 | PUVM pUVM;
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| 280 | /** Ring-3 Host Context VM Pointer. */
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| 281 | R3PTRTYPE(struct VM *) pVMR3;
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| 282 | /** Ring-0 Host Context VM Pointer. */
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| 283 | R0PTRTYPE(struct VM *) pVMR0;
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| 284 | /** Guest Context VM Pointer. */
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| 285 | RCPTRTYPE(struct VM *) pVMGC;
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| 286 |
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| 287 | /** The GVM VM handle. Only the GVM should modify this field. */
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| 288 | uint32_t hSelf;
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| 289 | /** Reserved / padding. */
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| 290 | uint32_t u32Reserved;
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| 291 |
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| 292 | /** @name Public VMM Switcher APIs
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| 293 | * @{ */
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| 294 | /**
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| 295 | * Assembly switch entry point for returning to host context.
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| 296 | * This function will clean up the stack frame.
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| 297 | *
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| 298 | * @param eax The return code, register.
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| 299 | * @param Ctx The guest core context.
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| 300 | * @remark Assume interrupts disabled.
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| 301 | */
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| 302 | RTGCPTR32 pfnVMMGCGuestToHostAsmGuestCtx/*(int32_t eax, CPUMCTXCORE Ctx)*/;
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| 303 |
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| 304 | /**
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| 305 | * Assembly switch entry point for returning to host context.
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| 306 | *
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| 307 | * This is an alternative entry point which we'll be using when the we have the
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| 308 | * hypervisor context and need to save that before going to the host.
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| 309 | *
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| 310 | * This is typically useful when abandoning the hypervisor because of a trap
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| 311 | * and want the trap state to be saved.
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| 312 | *
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| 313 | * @param eax The return code, register.
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| 314 | * @param ecx Pointer to the hypervisor core context, register.
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| 315 | * @remark Assume interrupts disabled.
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| 316 | */
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| 317 | RTGCPTR32 pfnVMMGCGuestToHostAsmHyperCtx/*(int32_t eax, PCPUMCTXCORE ecx)*/;
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| 318 |
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| 319 | /**
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| 320 | * Assembly switch entry point for returning to host context.
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| 321 | *
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| 322 | * This is an alternative to the two *Ctx APIs and implies that the context has already
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| 323 | * been saved, or that it's just a brief return to HC and that the caller intends to resume
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| 324 | * whatever it is doing upon 'return' from this call.
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| 325 | *
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| 326 | * @param eax The return code, register.
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| 327 | * @remark Assume interrupts disabled.
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| 328 | */
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| 329 | RTGCPTR32 pfnVMMGCGuestToHostAsm/*(int32_t eax)*/;
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| 330 | /** @} */
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| 331 |
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| 332 |
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| 333 | /** @name Various VM data owned by VM.
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| 334 | * @{ */
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| 335 | /** The thread handle of the emulation thread.
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| 336 | * Use the VM_IS_EMT() macro to check if executing in EMT. */
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| 337 | RTTHREAD ThreadEMT;
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| 338 | /** The native handle of ThreadEMT. Getting the native handle
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| 339 | * is generally faster than getting the IPRT one (except on OS/2 :-). */
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| 340 | RTNATIVETHREAD NativeThreadEMT;
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| 341 | /** @} */
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| 342 |
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| 343 |
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| 344 | /** @name Various items that are frequently accessed.
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| 345 | * @{ */
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| 346 | /** Raw ring-3 indicator. */
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| 347 | bool fRawR3Enabled;
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| 348 | /** Raw ring-0 indicator. */
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| 349 | bool fRawR0Enabled;
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| 350 | /** PATM enabled flag.
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| 351 | * This is placed here for performance reasons. */
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| 352 | bool fPATMEnabled;
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| 353 | /** CSAM enabled flag.
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| 354 | * This is placed here for performance reasons. */
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| 355 | bool fCSAMEnabled;
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| 356 |
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| 357 | /** Hardware VM support is available and enabled.
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| 358 | * This is placed here for performance reasons. */
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| 359 | bool fHWACCMEnabled;
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| 360 | /** @} */
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| 361 |
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| 362 |
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| 363 | /* padding to make gnuc put the StatQemuToGC where msc does. */
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| 364 | #if HC_ARCH_BITS == 32
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| 365 | uint32_t padding0;
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| 366 | #endif
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| 367 |
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| 368 | /** Profiling the total time from Qemu to GC. */
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| 369 | STAMPROFILEADV StatTotalQemuToGC;
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| 370 | /** Profiling the total time from GC to Qemu. */
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| 371 | STAMPROFILEADV StatTotalGCToQemu;
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| 372 | /** Profiling the total time spent in GC. */
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| 373 | STAMPROFILEADV StatTotalInGC;
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| 374 | /** Profiling the total time spent not in Qemu. */
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| 375 | STAMPROFILEADV StatTotalInQemu;
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| 376 | /** Profiling the VMMSwitcher code for going to GC. */
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| 377 | STAMPROFILEADV StatSwitcherToGC;
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| 378 | /** Profiling the VMMSwitcher code for going to HC. */
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| 379 | STAMPROFILEADV StatSwitcherToHC;
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| 380 | STAMPROFILEADV StatSwitcherSaveRegs;
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| 381 | STAMPROFILEADV StatSwitcherSysEnter;
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| 382 | STAMPROFILEADV StatSwitcherDebug;
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| 383 | STAMPROFILEADV StatSwitcherCR0;
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| 384 | STAMPROFILEADV StatSwitcherCR4;
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| 385 | STAMPROFILEADV StatSwitcherJmpCR3;
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| 386 | STAMPROFILEADV StatSwitcherRstrRegs;
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| 387 | STAMPROFILEADV StatSwitcherLgdt;
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| 388 | STAMPROFILEADV StatSwitcherLidt;
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| 389 | STAMPROFILEADV StatSwitcherLldt;
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| 390 | STAMPROFILEADV StatSwitcherTSS;
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| 391 |
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| 392 | /* padding - the unions must be aligned on 32 bytes boundraries. */
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| 393 | uint32_t padding[HC_ARCH_BITS == 32 ? 4 : 6];
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| 394 |
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| 395 | /** CPUM part. */
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| 396 | union
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| 397 | {
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| 398 | #ifdef ___CPUMInternal_h
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| 399 | struct CPUM s;
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| 400 | #endif
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| 401 | char padding[4416]; /* multiple of 32 */
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| 402 | } cpum;
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| 403 |
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| 404 | /** VMM part. */
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| 405 | union
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| 406 | {
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| 407 | #ifdef ___VMMInternal_h
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| 408 | struct VMM s;
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| 409 | #endif
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| 410 | char padding[1024]; /* multiple of 32 */
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| 411 | } vmm;
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| 412 |
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| 413 | /** PGM part. */
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| 414 | union
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| 415 | {
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| 416 | #ifdef ___PGMInternal_h
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| 417 | struct PGM s;
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| 418 | #endif
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| 419 | char padding[50*1024]; /* multiple of 32 */
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| 420 | } pgm;
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| 421 |
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| 422 | /** HWACCM part. */
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| 423 | union
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| 424 | {
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| 425 | #ifdef ___HWACCMInternal_h
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| 426 | struct HWACCM s;
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| 427 | #endif
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| 428 | char padding[1536]; /* multiple of 32 */
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| 429 | } hwaccm;
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| 430 |
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| 431 | /** TRPM part. */
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| 432 | union
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| 433 | {
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| 434 | #ifdef ___TRPMInternal_h
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| 435 | struct TRPM s;
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| 436 | #endif
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| 437 | char padding[5344]; /* multiple of 32 */
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| 438 | } trpm;
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| 439 |
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| 440 | /** SELM part. */
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| 441 | union
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| 442 | {
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| 443 | #ifdef ___SELMInternal_h
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| 444 | struct SELM s;
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| 445 | #endif
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| 446 | char padding[544]; /* multiple of 32 */
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| 447 | } selm;
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| 448 |
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| 449 | /** MM part. */
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| 450 | union
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| 451 | {
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| 452 | #ifdef ___MMInternal_h
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| 453 | struct MM s;
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| 454 | #endif
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| 455 | char padding[128]; /* multiple of 32 */
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| 456 | } mm;
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| 457 |
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| 458 | /** CFGM part. */
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| 459 | union
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| 460 | {
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| 461 | #ifdef ___CFGMInternal_h
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| 462 | struct CFGM s;
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| 463 | #endif
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| 464 | char padding[32]; /* multiple of 32 */
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| 465 | } cfgm;
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| 466 |
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| 467 | /** PDM part. */
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| 468 | union
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| 469 | {
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| 470 | #ifdef ___PDMInternal_h
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| 471 | struct PDM s;
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| 472 | #endif
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| 473 | char padding[1056]; /* multiple of 32 */
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| 474 | } pdm;
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| 475 |
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| 476 | /** IOM part. */
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| 477 | union
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| 478 | {
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| 479 | #ifdef ___IOMInternal_h
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| 480 | struct IOM s;
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| 481 | #endif
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| 482 | char padding[4544]; /* multiple of 32 */
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| 483 | } iom;
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| 484 |
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| 485 | /** PATM part. */
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| 486 | union
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| 487 | {
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| 488 | #ifdef ___PATMInternal_h
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| 489 | struct PATM s;
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| 490 | #endif
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| 491 | char padding[768]; /* multiple of 32 */
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| 492 | } patm;
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| 493 |
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| 494 | /** CSAM part. */
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| 495 | union
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| 496 | {
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| 497 | #ifdef ___CSAMInternal_h
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| 498 | struct CSAM s;
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| 499 | #endif
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| 500 | char padding[3328]; /* multiple of 32 */
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| 501 | } csam;
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| 502 |
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| 503 | /** EM part. */
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| 504 | union
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| 505 | {
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| 506 | #ifdef ___EMInternal_h
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| 507 | struct EM s;
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| 508 | #endif
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| 509 | char padding[1344]; /* multiple of 32 */
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| 510 | } em;
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| 511 |
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| 512 | /** TM part. */
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| 513 | union
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| 514 | {
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| 515 | #ifdef ___TMInternal_h
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| 516 | struct TM s;
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| 517 | #endif
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| 518 | char padding[1344]; /* multiple of 32 */
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| 519 | } tm;
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| 520 |
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| 521 | /** DBGF part. */
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|---|
| 522 | union
|
|---|
| 523 | {
|
|---|
| 524 | #ifdef ___DBGFInternal_h
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| 525 | struct DBGF s;
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| 526 | #endif
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| 527 | char padding[2368]; /* multiple of 32 */
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| 528 | } dbgf;
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| 529 |
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| 530 | /** SSM part. */
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| 531 | union
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|---|
| 532 | {
|
|---|
| 533 | #ifdef ___SSMInternal_h
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| 534 | struct SSM s;
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| 535 | #endif
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| 536 | char padding[32]; /* multiple of 32 */
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| 537 | } ssm;
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| 538 |
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| 539 | /** VM part. */
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| 540 | union
|
|---|
| 541 | {
|
|---|
| 542 | #ifdef ___VMInternal_h
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| 543 | struct VMINT s;
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| 544 | #endif
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|---|
| 545 | char padding[768]; /* multiple of 32 */
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| 546 | } vm;
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| 547 |
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| 548 | /** REM part. */
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|---|
| 549 | union
|
|---|
| 550 | {
|
|---|
| 551 | #ifdef ___REMInternal_h
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| 552 | struct REM s;
|
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| 553 | #endif
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|---|
| 554 | #if GC_ARCH_BITS == 32
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| 555 | char padding[HC_ARCH_BITS == 32 ? 0x6f00 : 0xbf00]; /* multiple of 32 */
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| 556 | #else
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|---|
| 557 | char padding[HC_ARCH_BITS == 32 ? 0x9f00 : 0xdf00]; /* multiple of 32 */
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| 558 | #endif
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| 559 | } rem;
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| 560 | } VM;
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| 561 |
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| 562 | /** Pointer to a VM. */
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|---|
| 563 | #ifndef ___VBox_types_h
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| 564 | typedef struct VM *PVM;
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| 565 | #endif
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|---|
| 566 |
|
|---|
| 567 |
|
|---|
| 568 | #ifdef IN_GC
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| 569 | __BEGIN_DECLS
|
|---|
| 570 |
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|---|
| 571 | /** The VM structure.
|
|---|
| 572 | * This is imported from the VMMGCBuiltin module, i.e. it's a one
|
|---|
| 573 | * of those magic globals which we should avoid using.
|
|---|
| 574 | */
|
|---|
| 575 | extern DECLIMPORT(VM) g_VM;
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| 576 |
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|---|
| 577 | __END_DECLS
|
|---|
| 578 | #endif
|
|---|
| 579 |
|
|---|
| 580 | /** @} */
|
|---|
| 581 |
|
|---|
| 582 | #endif
|
|---|
| 583 |
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