| 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 innotek GmbH
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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 as published by the Free Software Foundation,
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| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * If you received this file as part of a commercial VirtualBox
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| 17 | * distribution, then only the terms of your commercial VirtualBox
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| 18 | * license agreement apply instead of the previous paragraph.
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| 19 | */
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| 20 |
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| 21 | #ifndef ___VBox_vm_h
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| 22 | #define ___VBox_vm_h
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| 23 |
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| 24 | #include <VBox/cdefs.h>
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| 25 | #include <VBox/types.h>
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| 26 | #include <VBox/cpum.h>
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| 27 | #include <VBox/stam.h>
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| 28 | #include <VBox/vmapi.h>
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| 29 | #include <VBox/sup.h>
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| 30 |
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| 31 |
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| 32 | /** @defgroup grp_vm The Virtual Machine
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| 33 | * @{
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| 34 | */
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| 35 |
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| 36 | /** The name of the Guest Context VMM Core module. */
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| 37 | #define VMMGC_MAIN_MODULE_NAME "VMMGC.gc"
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| 38 | /** The name of the Ring 0 Context VMM Core module. */
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| 39 | #define VMMR0_MAIN_MODULE_NAME "VMMR0.r0"
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| 40 |
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| 41 | /** VM Forced Action Flags.
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| 42 | *
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| 43 | * Use the VM_FF_SET() and VM_FF_CLEAR() macros to change the force
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| 44 | * action mask of a VM.
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| 45 | *
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| 46 | * @{
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| 47 | */
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| 48 | /** This action forces the VM to service check and pending interrups on the APIC. */
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| 49 | #define VM_FF_INTERRUPT_APIC BIT(0)
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| 50 | /** This action forces the VM to service check and pending interrups on the PIC. */
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| 51 | #define VM_FF_INTERRUPT_PIC BIT(1)
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| 52 | /** This action forces the VM to schedule and run pending timer (TM). */
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| 53 | #define VM_FF_TIMER BIT(2)
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| 54 | /** PDM Queues are pending. */
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| 55 | #define VM_FF_PDM_QUEUES BIT(3)
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| 56 | /** PDM DMA transfers are pending. */
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| 57 | #define VM_FF_PDM_DMA BIT(4)
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| 58 | /** PDM critical section unlocking is pending, process promptly upon return to R3. */
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| 59 | #define VM_FF_PDM_CRITSECT BIT(5)
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| 60 |
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| 61 | /** This action forces the VM to call DBGF so DBGF can service debugger
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| 62 | * requests in the emulation thread.
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| 63 | * This action flag stays asserted till DBGF clears it.*/
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| 64 | #define VM_FF_DBGF BIT(8)
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| 65 | /** This action forces the VM to service pending requests from other
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| 66 | * thread or requests which must be executed in another context. */
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| 67 | #define VM_FF_REQUEST BIT(9)
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| 68 | /** Terminate the VM immediately. */
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| 69 | #define VM_FF_TERMINATE BIT(10)
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| 70 | /** Reset the VM. (postponed) */
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| 71 | #define VM_FF_RESET BIT(11)
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| 72 |
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| 73 | /** This action forces the VM to resync the page tables before going
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| 74 | * back to execute guest code. (GLOBAL FLUSH) */
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| 75 | #define VM_FF_PGM_SYNC_CR3 BIT(16)
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| 76 | /** Same as VM_FF_PGM_SYNC_CR3 except that global pages can be skipped.
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| 77 | * (NON-GLOBAL FLUSH) */
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| 78 | #define VM_FF_PGM_SYNC_CR3_NON_GLOBAL BIT(17)
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| 79 | /** Check the interupt and trap gates */
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| 80 | #define VM_FF_TRPM_SYNC_IDT BIT(18)
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| 81 | /** Check Guest's TSS ring 0 stack */
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| 82 | #define VM_FF_SELM_SYNC_TSS BIT(19)
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| 83 | /** Check Guest's GDT table */
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| 84 | #define VM_FF_SELM_SYNC_GDT BIT(20)
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| 85 | /** Check Guest's LDT table */
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| 86 | #define VM_FF_SELM_SYNC_LDT BIT(21)
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| 87 | /** Inhibit interrupts pending. See EMGetInhibitInterruptsPC(). */
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| 88 | #define VM_FF_INHIBIT_INTERRUPTS BIT(22)
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| 89 |
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| 90 | /** CSAM needs to scan the page that's being executed */
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| 91 | #define VM_FF_CSAM_SCAN_PAGE BIT(24)
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| 92 | /** CSAM needs to do some homework. */
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| 93 | #define VM_FF_CSAM_PENDING_ACTION BIT(25)
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| 94 |
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| 95 | /** Force return to Ring-3. */
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| 96 | #define VM_FF_TO_R3 BIT(28)
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| 97 |
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| 98 | /** Suspend the VM - debug only. */
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| 99 | #define VM_FF_DEBUG_SUSPEND BIT(31)
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| 100 |
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| 101 | /** Externally forced actions. Used to quit the idle/wait loop. */
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| 102 | #define VM_FF_EXTERNAL_SUSPENDED_MASK (VM_FF_TERMINATE | VM_FF_DBGF | VM_FF_REQUEST)
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| 103 | /** Externally forced actions. Used to quit the idle/wait loop. */
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| 104 | #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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| 105 | /** High priority pre-execution actions. */
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| 106 | #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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| 107 | | 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)
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| 108 | /** High priority pre raw-mode execution mask. */
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| 109 | #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_INHIBIT_INTERRUPTS)
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| 110 | /** High priority post-execution actions. */
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| 111 | #define VM_FF_HIGH_PRIORITY_POST_MASK (VM_FF_PDM_CRITSECT|VM_FF_CSAM_PENDING_ACTION)
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| 112 | /** Normal priority post-execution actions. */
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| 113 | #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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| 114 | /** Normal priority actions. */
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| 115 | #define VM_FF_NORMAL_PRIORITY_MASK (VM_FF_REQUEST | VM_FF_PDM_QUEUES | VM_FF_PDM_DMA)
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| 116 | /** Flags to check before resuming guest execution. */
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| 117 | #define VM_FF_RESUME_GUEST_MASK (VM_FF_TO_R3)
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| 118 | /** All the forced flags. */
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| 119 | #define VM_FF_ALL_MASK (~0U)
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| 120 | /** All the forced flags. */
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| 121 | #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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| 122 |
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| 123 | /** @} */
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| 124 |
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| 125 | /** @def VM_FF_SET
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| 126 | * Sets a force action flag.
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| 127 | *
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| 128 | * @param pVM VM Handle.
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| 129 | * @param fFlag The flag to set.
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| 130 | */
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| 131 | #if 1
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| 132 | # define VM_FF_SET(pVM, fFlag) ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag))
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| 133 | #else
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| 134 | # define VM_FF_SET(pVM, fFlag) \
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| 135 | do { ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag)); \
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| 136 | RTLogPrintf("VM_FF_SET : %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
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| 137 | } while (0)
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| 138 | #endif
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| 139 |
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| 140 | /** @def VM_FF_CLEAR
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| 141 | * Clears 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 clear.
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| 145 | */
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| 146 | #if 1
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| 147 | # define VM_FF_CLEAR(pVM, fFlag) ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag))
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| 148 | #else
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| 149 | # define VM_FF_CLEAR(pVM, fFlag) \
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| 150 | do { ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag)); \
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| 151 | RTLogPrintf("VM_FF_CLEAR: %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_ISSET
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| 156 | * Checks if a force action flag is set.
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| 157 | *
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| 158 | * @param pVM VM Handle.
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| 159 | * @param fFlag The flag to check.
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| 160 | */
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| 161 | #define VM_FF_ISSET(pVM, fFlag) (((pVM)->fForcedActions & (fFlag)) == (fFlag))
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| 162 |
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| 163 | /** @def VM_FF_ISPENDING
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| 164 | * Checks if one or more force action in the specified set is pending.
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| 165 | *
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| 166 | * @param pVM VM Handle.
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| 167 | * @param fFlags The flags to check for.
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| 168 | */
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| 169 | #define VM_FF_ISPENDING(pVM, fFlags) ((pVM)->fForcedActions & (fFlags))
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| 170 |
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| 171 |
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| 172 | /** @def VM_IS_EMT
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| 173 | * Checks if the current thread is the emulation thread (EMT).
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| 174 | *
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| 175 | * @remark The ring-0 variation will need attention if we expand the ring-0
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| 176 | * code to let threads other than EMT mess around with the VM.
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| 177 | */
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| 178 | #ifdef IN_GC
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| 179 | # define VM_IS_EMT(pVM) true
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| 180 | #elif defined(IN_RING0)
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| 181 | # define VM_IS_EMT(pVM) true
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| 182 | #else
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| 183 | # define VM_IS_EMT(pVM) ((pVM)->NativeThreadEMT == RTThreadNativeSelf())
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| 184 | #endif
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| 185 |
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| 186 | /** @def VM_ASSERT_EMT
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| 187 | * Asserts that the current thread IS the emulation thread (EMT).
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| 188 | */
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| 189 | #ifdef IN_GC
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| 190 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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| 191 | #elif defined(IN_RING0)
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| 192 | # define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
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| 193 | #else
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| 194 | # define VM_ASSERT_EMT(pVM) \
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| 195 | AssertMsg(VM_IS_EMT(pVM), \
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| 196 | ("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT))
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| 197 | #endif
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| 198 |
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| 199 |
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| 200 | /**
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| 201 | * Asserts that the current thread is NOT the emulation thread.
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| 202 | */
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| 203 | #define VM_ASSERT_OTHER_THREAD(pVM) \
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| 204 | AssertMsg(!VM_IS_EMT(pVM), ("Not other thread!!\n"))
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| 205 |
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| 206 |
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| 207 |
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| 208 | /** This is the VM structure.
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| 209 | *
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| 210 | * It contains (nearly?) all the VM data which have to be available in all
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| 211 | * contexts. Even if it contains all the data the idea is to use APIs not
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| 212 | * to modify all the members all around the place. Therefore we make use of
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| 213 | * unions to hide everything which isn't local to the current source module.
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| 214 | * This means we'll have to pay a little bit of attention when adding new
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| 215 | * members to structures in the unions and make sure to keep the padding sizes
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| 216 | * up to date.
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| 217 | *
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| 218 | * Run tstVMStructSize after update!
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| 219 | */
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| 220 | typedef struct VM
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| 221 | {
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| 222 | /** The state of the VM.
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| 223 | * This field is read only to everyone except the VM and EM. */
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| 224 | VMSTATE enmVMState;
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| 225 | /** Forced action flags.
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| 226 | * See the VM_FF_* \#defines. Updated atomically.
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| 227 | */
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| 228 | volatile uint32_t fForcedActions;
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| 229 | /** Pointer to the array of page descriptors for the VM structure allocation. */
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| 230 | R3PTRTYPE(PSUPPAGE) paVMPagesR3;
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| 231 | /** Session handle. For use when calling SUPR0 APIs. */
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| 232 | HCPTRTYPE(PSUPDRVSESSION) pSession;
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| 233 | /** Pointer to the next VM.
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| 234 | * We keep a per process list of VM for the event that a process could
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| 235 | * contain more than one VM.
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| 236 | */
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| 237 | HCPTRTYPE(struct VM *) pNext;
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| 238 | /** Host Context VM Pointer.
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| 239 | * @obsolete don't use in new code! */
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| 240 | HCPTRTYPE(struct VM *) pVMHC;
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| 241 | /** Ring-3 Host Context VM Pointer. */
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| 242 | R3PTRTYPE(struct VM *) pVMR3;
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| 243 | /** Ring-0 Host Context VM Pointer. */
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| 244 | R0PTRTYPE(struct VM *) pVMR0;
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| 245 | /** Guest Context VM Pointer. */
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| 246 | GCPTRTYPE(struct VM *) pVMGC;
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| 247 |
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| 248 | /** @name Public VMM Switcher APIs
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| 249 | * @{ */
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| 250 | /**
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| 251 | * Assembly switch entry point for returning to host context.
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| 252 | * This function will clean up the stack frame.
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| 253 | *
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| 254 | * @param eax The return code, register.
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| 255 | * @param Ctx The guest core context.
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| 256 | * @remark Assume interrupts disabled.
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| 257 | */
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| 258 | RTGCPTR pfnVMMGCGuestToHostAsmGuestCtx/*(int32_t eax, CPUMCTXCORE Ctx)*/;
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| 259 |
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| 260 | /**
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| 261 | * Assembly switch entry point for returning to host context.
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| 262 | *
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| 263 | * This is an alternative entry point which we'll be using when the we have the
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| 264 | * hypervisor context and need to save that before going to the host.
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| 265 | *
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| 266 | * This is typically useful when abandoning the hypervisor because of a trap
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| 267 | * and want the trap state to be saved.
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| 268 | *
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| 269 | * @param eax The return code, register.
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| 270 | * @param ecx Pointer to the hypervisor core context, register.
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| 271 | * @remark Assume interrupts disabled.
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| 272 | */
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| 273 | RTGCPTR pfnVMMGCGuestToHostAsmHyperCtx/*(int32_t eax, PCPUMCTXCORE ecx)*/;
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| 274 |
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| 275 | /**
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| 276 | * Assembly switch entry point for returning to host context.
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| 277 | *
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| 278 | * This is an alternative to the two *Ctx APIs and implies that the context has already
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| 279 | * been saved, or that it's just a brief return to HC and that the caller intends to resume
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| 280 | * whatever it is doing upon 'return' from this call.
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| 281 | *
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| 282 | * @param eax The return code, register.
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| 283 | * @remark Assume interrupts disabled.
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| 284 | */
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| 285 | RTGCPTR pfnVMMGCGuestToHostAsm/*(int32_t eax)*/;
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| 286 | /** @} */
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| 287 |
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| 288 |
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| 289 | /** @name Various VM data owned by VM.
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| 290 | * @{ */
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| 291 | /** The thread handle of the emulation thread.
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| 292 | * Use the VM_IS_EMT() macro to check if executing in EMT. */
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| 293 | RTTHREAD ThreadEMT;
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| 294 | /** The native handle of ThreadEMT. Getting the native handle
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| 295 | * is generally faster than getting the IPRT one (except on OS/2 :-). */
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| 296 | RTNATIVETHREAD NativeThreadEMT;
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| 297 | /** @} */
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| 298 |
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| 299 |
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| 300 | /** @name Various items that are frequently accessed.
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| 301 | * @{ */
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| 302 | /** Raw ring-3 indicator. */
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| 303 | bool fRawR3Enabled;
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| 304 | /** Raw ring-0 indicator. */
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| 305 | bool fRawR0Enabled;
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| 306 | /** PATM enabled flag.
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| 307 | * This is placed here for performance reasons. */
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| 308 | bool fPATMEnabled;
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| 309 | /** CSAM enabled flag.
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| 310 | * This is placed here for performance reasons. */
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| 311 | bool fCSAMEnabled;
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| 312 |
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| 313 | /** Hardware VM support is available and enabled.
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| 314 | * This is placed here for performance reasons. */
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| 315 | bool fHWACCMEnabled;
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| 316 | /** @} */
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| 317 |
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| 318 |
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| 319 | /* padding to make gnuc put the StatQemuToGC where msc does. */
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| 320 | /*#if HC_ARCH_BITS == 32
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| 321 | uint32_t padding0;
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| 322 | #endif */
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| 323 |
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| 324 | /** Profiling the total time from Qemu to GC. */
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| 325 | STAMPROFILEADV StatTotalQemuToGC;
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| 326 | /** Profiling the total time from GC to Qemu. */
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| 327 | STAMPROFILEADV StatTotalGCToQemu;
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| 328 | /** Profiling the total time spent in GC. */
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| 329 | STAMPROFILEADV StatTotalInGC;
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| 330 | /** Profiling the total time spent not in Qemu. */
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| 331 | STAMPROFILEADV StatTotalInQemu;
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| 332 | /** Profiling the VMMSwitcher code for going to GC. */
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| 333 | STAMPROFILEADV StatSwitcherToGC;
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| 334 | /** Profiling the VMMSwitcher code for going to HC. */
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| 335 | STAMPROFILEADV StatSwitcherToHC;
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| 336 | STAMPROFILEADV StatSwitcherSaveRegs;
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| 337 | STAMPROFILEADV StatSwitcherSysEnter;
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| 338 | STAMPROFILEADV StatSwitcherDebug;
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| 339 | STAMPROFILEADV StatSwitcherCR0;
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| 340 | STAMPROFILEADV StatSwitcherCR4;
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| 341 | STAMPROFILEADV StatSwitcherJmpCR3;
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| 342 | STAMPROFILEADV StatSwitcherRstrRegs;
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| 343 | STAMPROFILEADV StatSwitcherLgdt;
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| 344 | STAMPROFILEADV StatSwitcherLidt;
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| 345 | STAMPROFILEADV StatSwitcherLldt;
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| 346 | STAMPROFILEADV StatSwitcherTSS;
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| 347 |
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| 348 | /* padding - the unions must be aligned on 32 bytes boundraries. */
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| 349 | uint32_t padding[HC_ARCH_BITS == 32 ? 6 : 6];
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| 350 |
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| 351 | /** CPUM part. */
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| 352 | union
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| 353 | {
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| 354 | #ifdef ___CPUMInternal_h
|
|---|
| 355 | struct CPUM s;
|
|---|
| 356 | #endif
|
|---|
| 357 | #ifdef VBOX_WITH_HYBIRD_32BIT_KERNEL
|
|---|
| 358 | char padding[3584]; /* multiple of 32 */
|
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| 359 | #else
|
|---|
| 360 | char padding[HC_ARCH_BITS == 32 ? 3424 : 3552]; /* multiple of 32 */
|
|---|
| 361 | #endif
|
|---|
| 362 | } cpum;
|
|---|
| 363 |
|
|---|
| 364 | /** VMM part. */
|
|---|
| 365 | union
|
|---|
| 366 | {
|
|---|
| 367 | #ifdef ___VMMInternal_h
|
|---|
| 368 | struct VMM s;
|
|---|
| 369 | #endif
|
|---|
| 370 | char padding[1024]; /* multiple of 32 */
|
|---|
| 371 | } vmm;
|
|---|
| 372 |
|
|---|
| 373 | /** PGM part. */
|
|---|
| 374 | union
|
|---|
| 375 | {
|
|---|
| 376 | #ifdef ___PGMInternal_h
|
|---|
| 377 | struct PGM s;
|
|---|
| 378 | #endif
|
|---|
| 379 | char padding[50*1024]; /* multiple of 32 */
|
|---|
| 380 | } pgm;
|
|---|
| 381 |
|
|---|
| 382 | /** HWACCM part. */
|
|---|
| 383 | union
|
|---|
| 384 | {
|
|---|
| 385 | #ifdef ___HWACCMInternal_h
|
|---|
| 386 | struct HWACCM s;
|
|---|
| 387 | #endif
|
|---|
| 388 | char padding[1024]; /* multiple of 32 */
|
|---|
| 389 | } hwaccm;
|
|---|
| 390 |
|
|---|
| 391 | /** TRPM part. */
|
|---|
| 392 | union
|
|---|
| 393 | {
|
|---|
| 394 | #ifdef ___TRPMInternal_h
|
|---|
| 395 | struct TRPM s;
|
|---|
| 396 | #endif
|
|---|
| 397 | char padding[5344]; /* multiple of 32 */
|
|---|
| 398 | } trpm;
|
|---|
| 399 |
|
|---|
| 400 | /** SELM part. */
|
|---|
| 401 | union
|
|---|
| 402 | {
|
|---|
| 403 | #ifdef ___SELMInternal_h
|
|---|
| 404 | struct SELM s;
|
|---|
| 405 | #endif
|
|---|
| 406 | char padding[544]; /* multiple of 32 */
|
|---|
| 407 | } selm;
|
|---|
| 408 |
|
|---|
| 409 | /** MM part. */
|
|---|
| 410 | union
|
|---|
| 411 | {
|
|---|
| 412 | #ifdef ___MMInternal_h
|
|---|
| 413 | struct MM s;
|
|---|
| 414 | #endif
|
|---|
| 415 | char padding[128]; /* multiple of 32 */
|
|---|
| 416 | } mm;
|
|---|
| 417 |
|
|---|
| 418 | /** CFGM part. */
|
|---|
| 419 | union
|
|---|
| 420 | {
|
|---|
| 421 | #ifdef ___CFGMInternal_h
|
|---|
| 422 | struct CFGM s;
|
|---|
| 423 | #endif
|
|---|
| 424 | char padding[32]; /* multiple of 32 */
|
|---|
| 425 | } cfgm;
|
|---|
| 426 |
|
|---|
| 427 | /** PDM part. */
|
|---|
| 428 | union
|
|---|
| 429 | {
|
|---|
| 430 | #ifdef ___PDMInternal_h
|
|---|
| 431 | struct PDM s;
|
|---|
| 432 | #endif
|
|---|
| 433 | char padding[1024]; /* multiple of 32 */
|
|---|
| 434 | } pdm;
|
|---|
| 435 |
|
|---|
| 436 | /** IOM part. */
|
|---|
| 437 | union
|
|---|
| 438 | {
|
|---|
| 439 | #ifdef ___IOMInternal_h
|
|---|
| 440 | struct IOM s;
|
|---|
| 441 | #endif
|
|---|
| 442 | char padding[4544]; /* multiple of 32 */
|
|---|
| 443 | } iom;
|
|---|
| 444 |
|
|---|
| 445 | /** PATM part. */
|
|---|
| 446 | union
|
|---|
| 447 | {
|
|---|
| 448 | #ifdef ___PATMInternal_h
|
|---|
| 449 | struct PATM s;
|
|---|
| 450 | #endif
|
|---|
| 451 | char padding[768]; /* multiple of 32 */
|
|---|
| 452 | } patm;
|
|---|
| 453 |
|
|---|
| 454 | /** CSAM part. */
|
|---|
| 455 | union
|
|---|
| 456 | {
|
|---|
| 457 | #ifdef ___CSAMInternal_h
|
|---|
| 458 | struct CSAM s;
|
|---|
| 459 | #endif
|
|---|
| 460 | char padding[3328]; /* multiple of 32 */
|
|---|
| 461 | } csam;
|
|---|
| 462 |
|
|---|
| 463 | /** EM part. */
|
|---|
| 464 | union
|
|---|
| 465 | {
|
|---|
| 466 | #ifdef ___EMInternal_h
|
|---|
| 467 | struct EM s;
|
|---|
| 468 | #endif
|
|---|
| 469 | char padding[1344]; /* multiple of 32 */
|
|---|
| 470 | } em;
|
|---|
| 471 |
|
|---|
| 472 | /** TM part. */
|
|---|
| 473 | union
|
|---|
| 474 | {
|
|---|
| 475 | #ifdef ___TMInternal_h
|
|---|
| 476 | struct TM s;
|
|---|
| 477 | #endif
|
|---|
| 478 | char padding[1280]; /* multiple of 32 */
|
|---|
| 479 | } tm;
|
|---|
| 480 |
|
|---|
| 481 | /** DBGF part. */
|
|---|
| 482 | union
|
|---|
| 483 | {
|
|---|
| 484 | #ifdef ___DBGFInternal_h
|
|---|
| 485 | struct DBGF s;
|
|---|
| 486 | #endif
|
|---|
| 487 | char padding[HC_ARCH_BITS == 32 ? 1888 : 1920]; /* multiple of 32 */
|
|---|
| 488 | } dbgf;
|
|---|
| 489 |
|
|---|
| 490 | /** STAM part. */
|
|---|
| 491 | union
|
|---|
| 492 | {
|
|---|
| 493 | #ifdef ___STAMInternal_h
|
|---|
| 494 | struct STAM s;
|
|---|
| 495 | #endif
|
|---|
| 496 | char padding[32]; /* multiple of 32 */
|
|---|
| 497 | } stam;
|
|---|
| 498 |
|
|---|
| 499 | /** SSM part. */
|
|---|
| 500 | union
|
|---|
| 501 | {
|
|---|
| 502 | #ifdef ___SSMInternal_h
|
|---|
| 503 | struct SSM s;
|
|---|
| 504 | #endif
|
|---|
| 505 | char padding[32]; /* multiple of 32 */
|
|---|
| 506 | } ssm;
|
|---|
| 507 |
|
|---|
| 508 | /** VM part. */
|
|---|
| 509 | union
|
|---|
| 510 | {
|
|---|
| 511 | #ifdef ___VMInternal_h
|
|---|
| 512 | struct VMINT s;
|
|---|
| 513 | #endif
|
|---|
| 514 | char padding[768]; /* multiple of 32 */
|
|---|
| 515 | } vm;
|
|---|
| 516 |
|
|---|
| 517 | /** REM part. */
|
|---|
| 518 | union
|
|---|
| 519 | {
|
|---|
| 520 | #ifdef ___REMInternal_h
|
|---|
| 521 | struct REM s;
|
|---|
| 522 | #endif
|
|---|
| 523 | char padding[HC_ARCH_BITS == 32 ? 0x6b00 : 0xbf00]; /* multiple of 32 */
|
|---|
| 524 | } rem;
|
|---|
| 525 | } VM;
|
|---|
| 526 |
|
|---|
| 527 | /** Pointer to a VM. */
|
|---|
| 528 | #ifndef ___VBox_types_h
|
|---|
| 529 | typedef struct VM *PVM;
|
|---|
| 530 | #endif
|
|---|
| 531 |
|
|---|
| 532 |
|
|---|
| 533 | #ifdef IN_GC
|
|---|
| 534 | __BEGIN_DECLS
|
|---|
| 535 |
|
|---|
| 536 | /** The VM structure.
|
|---|
| 537 | * This is imported from the VMMGCBuiltin module, i.e. it's a one
|
|---|
| 538 | * of those magic globals which we should avoid using.
|
|---|
| 539 | */
|
|---|
| 540 | extern DECLIMPORT(VM) g_VM;
|
|---|
| 541 |
|
|---|
| 542 | __END_DECLS
|
|---|
| 543 | #endif
|
|---|
| 544 |
|
|---|
| 545 | /** @} */
|
|---|
| 546 |
|
|---|
| 547 | #endif
|
|---|
| 548 |
|
|---|
