| 1 | /* $Id: EMInternal.h 32955 2010-10-06 15:58:15Z vboxsync $ */
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| 2 | /** @file
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| 3 | * EM - Internal header file.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___EMInternal_h
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| 19 | #define ___EMInternal_h
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| 20 |
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| 21 | #include <VBox/cdefs.h>
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| 22 | #include <VBox/types.h>
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| 23 | #include <VBox/em.h>
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| 24 | #include <VBox/stam.h>
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| 25 | #include <VBox/patm.h>
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| 26 | #include <VBox/dis.h>
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| 27 | #include <VBox/pdmcritsect.h>
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| 28 | #include <iprt/avl.h>
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| 29 | #include <setjmp.h>
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| 30 |
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| 31 | RT_C_DECLS_BEGIN
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| 32 |
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| 33 |
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| 34 | /** @defgroup grp_em_int Internal
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| 35 | * @ingroup grp_em
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| 36 | * @internal
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| 37 | * @{
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| 38 | */
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| 39 |
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| 40 | /** The saved state version. */
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| 41 | #define EM_SAVED_STATE_VERSION 4
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| 42 | #define EM_SAVED_STATE_VERSION_PRE_MWAIT 3
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| 43 | #define EM_SAVED_STATE_VERSION_PRE_SMP 2
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| 44 |
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| 45 |
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| 46 | /**
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| 47 | * MWait state flags.
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| 48 | */
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| 49 | /* MWait activated. */
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| 50 | #define EMMWAIT_FLAG_ACTIVE RT_BIT(0)
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| 51 | /* MWait will continue when an interrupt is pending even when IF=0. */
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| 52 | #define EMMWAIT_FLAG_BREAKIRQIF0 RT_BIT(1)
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| 53 | /* Monitor instruction was executed previously. */
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| 54 | #define EMMWAIT_FLAG_MONITOR_ACTIVE RT_BIT(2)
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| 55 |
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| 56 | /** EM time slice in ms; used for capping execution time. */
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| 57 | #define EM_TIME_SLICE 100
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| 58 |
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| 59 | /**
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| 60 | * Cli node structure
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| 61 | */
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| 62 | typedef struct CLISTAT
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| 63 | {
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| 64 | /** The key is the cli address. */
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| 65 | AVLGCPTRNODECORE Core;
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| 66 | #if HC_ARCH_BITS == 32 && !defined(RT_OS_WINDOWS)
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| 67 | /** Padding. */
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| 68 | uint32_t u32Padding;
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| 69 | #endif
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| 70 | /** Occurrences. */
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| 71 | STAMCOUNTER Counter;
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| 72 | } CLISTAT, *PCLISTAT;
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| 73 | #ifdef IN_RING3
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| 74 | AssertCompileMemberAlignment(CLISTAT, Counter, 8);
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| 75 | #endif
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * Excessive EM statistics.
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| 80 | */
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| 81 | typedef struct EMSTATS
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| 82 | {
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| 83 | /** GC: Profiling of EMInterpretInstruction(). */
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| 84 | STAMPROFILE StatRZEmulate;
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| 85 | /** HC: Profiling of EMInterpretInstruction(). */
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| 86 | STAMPROFILE StatR3Emulate;
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| 87 |
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| 88 | /** @name Interpreter Instruction statistics.
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| 89 | * @{
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| 90 | */
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| 91 | STAMCOUNTER StatRZInterpretSucceeded;
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| 92 | STAMCOUNTER StatR3InterpretSucceeded;
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| 93 |
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| 94 | STAMCOUNTER StatRZAnd;
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| 95 | STAMCOUNTER StatR3And;
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| 96 | STAMCOUNTER StatRZCpuId;
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| 97 | STAMCOUNTER StatR3CpuId;
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| 98 | STAMCOUNTER StatRZDec;
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| 99 | STAMCOUNTER StatR3Dec;
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| 100 | STAMCOUNTER StatRZHlt;
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| 101 | STAMCOUNTER StatR3Hlt;
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| 102 | STAMCOUNTER StatRZInc;
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| 103 | STAMCOUNTER StatR3Inc;
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| 104 | STAMCOUNTER StatRZInvlPg;
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| 105 | STAMCOUNTER StatR3InvlPg;
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| 106 | STAMCOUNTER StatRZIret;
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| 107 | STAMCOUNTER StatR3Iret;
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| 108 | STAMCOUNTER StatRZLLdt;
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| 109 | STAMCOUNTER StatR3LLdt;
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| 110 | STAMCOUNTER StatRZLIdt;
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| 111 | STAMCOUNTER StatR3LIdt;
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| 112 | STAMCOUNTER StatRZLGdt;
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| 113 | STAMCOUNTER StatR3LGdt;
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| 114 | STAMCOUNTER StatRZMov;
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| 115 | STAMCOUNTER StatR3Mov;
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| 116 | STAMCOUNTER StatRZMovCRx;
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| 117 | STAMCOUNTER StatR3MovCRx;
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| 118 | STAMCOUNTER StatRZMovDRx;
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| 119 | STAMCOUNTER StatR3MovDRx;
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| 120 | STAMCOUNTER StatRZOr;
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| 121 | STAMCOUNTER StatR3Or;
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| 122 | STAMCOUNTER StatRZPop;
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| 123 | STAMCOUNTER StatR3Pop;
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| 124 | STAMCOUNTER StatRZSti;
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| 125 | STAMCOUNTER StatR3Sti;
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| 126 | STAMCOUNTER StatRZXchg;
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| 127 | STAMCOUNTER StatR3Xchg;
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| 128 | STAMCOUNTER StatRZXor;
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| 129 | STAMCOUNTER StatR3Xor;
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| 130 | STAMCOUNTER StatRZMonitor;
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| 131 | STAMCOUNTER StatR3Monitor;
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| 132 | STAMCOUNTER StatRZMWait;
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| 133 | STAMCOUNTER StatR3MWait;
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| 134 | STAMCOUNTER StatRZAdd;
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| 135 | STAMCOUNTER StatR3Add;
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| 136 | STAMCOUNTER StatRZSub;
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| 137 | STAMCOUNTER StatR3Sub;
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| 138 | STAMCOUNTER StatRZAdc;
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| 139 | STAMCOUNTER StatR3Adc;
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| 140 | STAMCOUNTER StatRZRdtsc;
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| 141 | STAMCOUNTER StatR3Rdtsc;
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| 142 | STAMCOUNTER StatRZRdpmc;
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| 143 | STAMCOUNTER StatR3Rdpmc;
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| 144 | STAMCOUNTER StatRZBtr;
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| 145 | STAMCOUNTER StatR3Btr;
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| 146 | STAMCOUNTER StatRZBts;
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| 147 | STAMCOUNTER StatR3Bts;
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| 148 | STAMCOUNTER StatRZBtc;
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| 149 | STAMCOUNTER StatR3Btc;
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| 150 | STAMCOUNTER StatRZCmpXchg;
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| 151 | STAMCOUNTER StatR3CmpXchg;
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| 152 | STAMCOUNTER StatRZCmpXchg8b;
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| 153 | STAMCOUNTER StatR3CmpXchg8b;
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| 154 | STAMCOUNTER StatRZXAdd;
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| 155 | STAMCOUNTER StatR3XAdd;
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| 156 | STAMCOUNTER StatRZClts;
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| 157 | STAMCOUNTER StatR3Clts;
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| 158 | STAMCOUNTER StatRZStosWD;
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| 159 | STAMCOUNTER StatR3StosWD;
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| 160 | STAMCOUNTER StatR3Rdmsr;
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| 161 | STAMCOUNTER StatR3Wrmsr;
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| 162 | STAMCOUNTER StatRZRdmsr;
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| 163 | STAMCOUNTER StatRZWrmsr;
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| 164 | STAMCOUNTER StatRZWbInvd;
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| 165 | STAMCOUNTER StatR3WbInvd;
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| 166 | STAMCOUNTER StatRZLmsw;
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| 167 | STAMCOUNTER StatR3Lmsw;
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| 168 | STAMCOUNTER StatRZSmsw;
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| 169 | STAMCOUNTER StatR3Smsw;
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| 170 |
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| 171 | STAMCOUNTER StatRZInterpretFailed;
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| 172 | STAMCOUNTER StatR3InterpretFailed;
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| 173 |
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| 174 | STAMCOUNTER StatRZFailedAnd;
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| 175 | STAMCOUNTER StatR3FailedAnd;
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| 176 | STAMCOUNTER StatRZFailedCpuId;
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| 177 | STAMCOUNTER StatR3FailedCpuId;
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| 178 | STAMCOUNTER StatRZFailedDec;
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| 179 | STAMCOUNTER StatR3FailedDec;
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| 180 | STAMCOUNTER StatRZFailedHlt;
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| 181 | STAMCOUNTER StatR3FailedHlt;
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| 182 | STAMCOUNTER StatRZFailedInc;
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| 183 | STAMCOUNTER StatR3FailedInc;
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| 184 | STAMCOUNTER StatRZFailedInvlPg;
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| 185 | STAMCOUNTER StatR3FailedInvlPg;
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| 186 | STAMCOUNTER StatRZFailedIret;
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| 187 | STAMCOUNTER StatR3FailedIret;
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| 188 | STAMCOUNTER StatRZFailedLLdt;
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| 189 | STAMCOUNTER StatR3FailedLLdt;
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| 190 | STAMCOUNTER StatRZFailedLGdt;
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| 191 | STAMCOUNTER StatR3FailedLGdt;
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| 192 | STAMCOUNTER StatRZFailedLIdt;
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| 193 | STAMCOUNTER StatR3FailedLIdt;
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| 194 | STAMCOUNTER StatRZFailedMisc;
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| 195 | STAMCOUNTER StatR3FailedMisc;
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| 196 | STAMCOUNTER StatRZFailedMov;
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| 197 | STAMCOUNTER StatR3FailedMov;
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| 198 | STAMCOUNTER StatRZFailedMovCRx;
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| 199 | STAMCOUNTER StatR3FailedMovCRx;
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| 200 | STAMCOUNTER StatRZFailedMovDRx;
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| 201 | STAMCOUNTER StatR3FailedMovDRx;
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| 202 | STAMCOUNTER StatRZFailedOr;
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| 203 | STAMCOUNTER StatR3FailedOr;
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| 204 | STAMCOUNTER StatRZFailedPop;
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| 205 | STAMCOUNTER StatR3FailedPop;
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| 206 | STAMCOUNTER StatRZFailedSti;
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| 207 | STAMCOUNTER StatR3FailedSti;
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| 208 | STAMCOUNTER StatRZFailedXchg;
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| 209 | STAMCOUNTER StatR3FailedXchg;
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| 210 | STAMCOUNTER StatRZFailedXor;
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| 211 | STAMCOUNTER StatR3FailedXor;
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| 212 | STAMCOUNTER StatRZFailedMonitor;
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| 213 | STAMCOUNTER StatR3FailedMonitor;
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| 214 | STAMCOUNTER StatRZFailedMWait;
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| 215 | STAMCOUNTER StatR3FailedMWait;
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| 216 | STAMCOUNTER StatR3FailedRdmsr;
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| 217 | STAMCOUNTER StatR3FailedWrmsr;
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| 218 | STAMCOUNTER StatRZFailedRdmsr;
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| 219 | STAMCOUNTER StatRZFailedWrmsr;
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| 220 | STAMCOUNTER StatRZFailedLmsw;
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| 221 | STAMCOUNTER StatR3FailedLmsw;
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| 222 | STAMCOUNTER StatRZFailedSmsw;
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| 223 | STAMCOUNTER StatR3FailedSmsw;
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| 224 |
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| 225 | STAMCOUNTER StatRZFailedAdd;
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| 226 | STAMCOUNTER StatR3FailedAdd;
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| 227 | STAMCOUNTER StatRZFailedAdc;
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| 228 | STAMCOUNTER StatR3FailedAdc;
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| 229 | STAMCOUNTER StatRZFailedBtr;
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| 230 | STAMCOUNTER StatR3FailedBtr;
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| 231 | STAMCOUNTER StatRZFailedBts;
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| 232 | STAMCOUNTER StatR3FailedBts;
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| 233 | STAMCOUNTER StatRZFailedBtc;
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| 234 | STAMCOUNTER StatR3FailedBtc;
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| 235 | STAMCOUNTER StatRZFailedCli;
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| 236 | STAMCOUNTER StatR3FailedCli;
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| 237 | STAMCOUNTER StatRZFailedCmpXchg;
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| 238 | STAMCOUNTER StatR3FailedCmpXchg;
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| 239 | STAMCOUNTER StatRZFailedCmpXchg8b;
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| 240 | STAMCOUNTER StatR3FailedCmpXchg8b;
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| 241 | STAMCOUNTER StatRZFailedXAdd;
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| 242 | STAMCOUNTER StatR3FailedXAdd;
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| 243 | STAMCOUNTER StatR3FailedMovNTPS;
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| 244 | STAMCOUNTER StatRZFailedMovNTPS;
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| 245 | STAMCOUNTER StatRZFailedStosWD;
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| 246 | STAMCOUNTER StatR3FailedStosWD;
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| 247 | STAMCOUNTER StatRZFailedSub;
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| 248 | STAMCOUNTER StatR3FailedSub;
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| 249 | STAMCOUNTER StatRZFailedWbInvd;
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| 250 | STAMCOUNTER StatR3FailedWbInvd;
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| 251 | STAMCOUNTER StatRZFailedRdtsc;
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| 252 | STAMCOUNTER StatR3FailedRdtsc;
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| 253 | STAMCOUNTER StatRZFailedRdpmc;
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| 254 | STAMCOUNTER StatR3FailedRdpmc;
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| 255 | STAMCOUNTER StatRZFailedClts;
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| 256 | STAMCOUNTER StatR3FailedClts;
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| 257 |
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| 258 | STAMCOUNTER StatRZFailedUserMode;
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| 259 | STAMCOUNTER StatR3FailedUserMode;
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| 260 | STAMCOUNTER StatRZFailedPrefix;
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| 261 | STAMCOUNTER StatR3FailedPrefix;
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| 262 | /** @} */
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| 263 |
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| 264 | /** @name Privileged Instructions Ending Up In HC.
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| 265 | * @{ */
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| 266 | STAMCOUNTER StatCli;
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| 267 | STAMCOUNTER StatSti;
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| 268 | STAMCOUNTER StatIn;
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| 269 | STAMCOUNTER StatIoRestarted;
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| 270 | STAMCOUNTER StatOut;
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| 271 | STAMCOUNTER StatInvlpg;
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| 272 | STAMCOUNTER StatHlt;
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| 273 | STAMCOUNTER StatMovReadCR[USE_REG_CR4 + 1];
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| 274 | STAMCOUNTER StatMovWriteCR[USE_REG_CR4 + 1];
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| 275 | STAMCOUNTER StatMovDRx;
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| 276 | STAMCOUNTER StatIret;
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| 277 | STAMCOUNTER StatMovLgdt;
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| 278 | STAMCOUNTER StatMovLldt;
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| 279 | STAMCOUNTER StatMovLidt;
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| 280 | STAMCOUNTER StatMisc;
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| 281 | STAMCOUNTER StatSysEnter;
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| 282 | STAMCOUNTER StatSysExit;
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| 283 | STAMCOUNTER StatSysCall;
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| 284 | STAMCOUNTER StatSysRet;
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| 285 | /** @} */
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| 286 |
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| 287 | } EMSTATS;
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| 288 | /** Pointer to the excessive EM statistics. */
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| 289 | typedef EMSTATS *PEMSTATS;
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| 290 |
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| 291 |
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| 292 | /**
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| 293 | * Converts a EM pointer into a VM pointer.
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| 294 | * @returns Pointer to the VM structure the EM is part of.
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| 295 | * @param pEM Pointer to EM instance data.
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| 296 | */
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| 297 | #define EM2VM(pEM) ( (PVM)((char*)pEM - pEM->offVM) )
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| 298 |
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| 299 | /**
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| 300 | * EM VM Instance data.
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| 301 | * Changes to this must checked against the padding of the cfgm union in VM!
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| 302 | */
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| 303 | typedef struct EM
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| 304 | {
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| 305 | /** Offset to the VM structure.
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| 306 | * See EM2VM(). */
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| 307 | RTUINT offVM;
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| 308 |
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| 309 | /** Id of the VCPU that last executed code in the recompiler. */
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| 310 | VMCPUID idLastRemCpu;
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| 311 |
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| 312 | /** REM critical section.
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| 313 | * This protects recompiler usage
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| 314 | */
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| 315 | PDMCRITSECT CritSectREM;
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| 316 | } EM;
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| 317 | /** Pointer to EM VM instance data. */
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| 318 | typedef EM *PEM;
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| 319 |
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| 320 |
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| 321 | /**
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| 322 | * EM VMCPU Instance data.
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| 323 | */
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| 324 | typedef struct EMCPU
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| 325 | {
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| 326 | /** Offset to the VM structure.
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| 327 | * See EMCPU2VM(). */
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| 328 | RTUINT offVMCPU;
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| 329 |
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| 330 | /** Execution Manager State. */
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| 331 | EMSTATE volatile enmState;
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| 332 |
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| 333 | /** Previous Execution Manager State. */
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| 334 | EMSTATE enmPrevState;
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| 335 |
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| 336 | /** Force raw-mode execution.
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| 337 | * This is used to prevent REM from trying to execute patch code.
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| 338 | * The flag is cleared upon entering emR3RawExecute() and updated in certain return paths. */
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| 339 | bool fForceRAW;
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| 340 |
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| 341 | uint8_t u8Padding[3];
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| 342 |
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| 343 | /** Inhibit interrupts for this instruction. Valid only when VM_FF_INHIBIT_INTERRUPTS is set. */
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| 344 | RTGCUINTPTR GCPtrInhibitInterrupts;
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| 345 |
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| 346 | /** Pointer to the PATM status structure. (R3 Ptr) */
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| 347 | R3PTRTYPE(PPATMGCSTATE) pPatmGCState;
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| 348 |
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| 349 | /** Pointer to the guest CPUM state. (R3 Ptr) */
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| 350 | R3PTRTYPE(PCPUMCTX) pCtx;
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| 351 |
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| 352 | #if GC_ARCH_BITS == 64
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| 353 | RTGCPTR aPadding1;
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| 354 | #endif
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| 355 |
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| 356 | /** Start of the current time slice in ms. */
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| 357 | uint64_t u64TimeSliceStart;
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| 358 | /** Start of the current time slice in thread execution time (ms). */
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| 359 | uint64_t u64TimeSliceStartExec;
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| 360 | /** Current time slice value. */
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| 361 | uint64_t u64TimeSliceExec;
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| 362 | uint64_t u64Alignment;
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| 363 |
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| 364 | /* MWait halt state. */
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| 365 | struct
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| 366 | {
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| 367 | uint32_t fWait; /* type of mwait; see EMMWAIT_FLAG_* */
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| 368 | uint32_t a32Padding[1];
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| 369 | RTGCPTR uMWaitEAX; /* mwait hints */
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| 370 | RTGCPTR uMWaitECX; /* mwait extensions */
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| 371 | RTGCPTR uMonitorEAX; /* monitored address. */
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| 372 | RTGCPTR uMonitorECX; /* monitor extension. */
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| 373 | RTGCPTR uMonitorEDX; /* monitor hint. */
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| 374 | } mwait;
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| 375 |
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| 376 | union
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| 377 | {
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| 378 | /** Padding used in the other rings.
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| 379 | * This must be larger than jmp_buf on any supported platform. */
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| 380 | char achPaddingFatalLongJump[HC_ARCH_BITS == 32 ? 176 : 256];
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| 381 | #ifdef IN_RING3
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| 382 | /** Long buffer jump for fatal VM errors.
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| 383 | * It will jump to before the outer EM loop is entered. */
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| 384 | jmp_buf FatalLongJump;
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| 385 | #endif
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| 386 | } u;
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| 387 |
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| 388 | /** For saving stack space, the disassembler state is allocated here instead of
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| 389 | * on the stack.
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| 390 | * @note The DISCPUSTATE structure is not R3/R0/RZ clean! */
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| 391 | union
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| 392 | {
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| 393 | /** The disassembler scratch space. */
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| 394 | DISCPUSTATE DisState;
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| 395 | /** Padding. */
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| 396 | uint8_t abDisStatePadding[DISCPUSTATE_PADDING_SIZE];
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| 397 | };
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| 398 |
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| 399 | /** @name Execution profiling.
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| 400 | * @{ */
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| 401 | STAMPROFILE StatForcedActions;
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| 402 | STAMPROFILE StatHalted;
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| 403 | STAMPROFILEADV StatCapped;
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| 404 | STAMPROFILEADV StatHwAccEntry;
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| 405 | STAMPROFILE StatHwAccExec;
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| 406 | STAMPROFILE StatREMEmu;
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| 407 | STAMPROFILE StatREMExec;
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| 408 | STAMPROFILE StatREMSync;
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| 409 | STAMPROFILEADV StatREMTotal;
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| 410 | STAMPROFILE StatRAWExec;
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| 411 | STAMPROFILEADV StatRAWEntry;
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| 412 | STAMPROFILEADV StatRAWTail;
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| 413 | STAMPROFILEADV StatRAWTotal;
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| 414 | STAMPROFILEADV StatTotal;
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| 415 | /** @} */
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| 416 |
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| 417 | /** R3: Profiling of emR3RawExecuteIOInstruction. */
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| 418 | STAMPROFILE StatIOEmu;
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|---|
| 419 | /** R3: Profiling of emR3RawPrivileged. */
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|---|
| 420 | STAMPROFILE StatPrivEmu;
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|---|
| 421 | /** R3: Number of time emR3HwAccExecute is called. */
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|---|
| 422 | STAMCOUNTER StatHwAccExecuteEntry;
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|---|
| 423 |
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|---|
| 424 | /** More statistics (R3). */
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|---|
| 425 | R3PTRTYPE(PEMSTATS) pStatsR3;
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|---|
| 426 | /** More statistics (R0). */
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|---|
| 427 | R0PTRTYPE(PEMSTATS) pStatsR0;
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|---|
| 428 | /** More statistics (RC). */
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|---|
| 429 | RCPTRTYPE(PEMSTATS) pStatsRC;
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|---|
| 430 | #if HC_ARCH_BITS == 64
|
|---|
| 431 | RTRCPTR padding0;
|
|---|
| 432 | #endif
|
|---|
| 433 |
|
|---|
| 434 | /** Tree for keeping track of cli occurances (debug only). */
|
|---|
| 435 | R3PTRTYPE(PAVLGCPTRNODECORE) pCliStatTree;
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|---|
| 436 | STAMCOUNTER StatTotalClis;
|
|---|
| 437 | #if 0
|
|---|
| 438 | /** 64-bit Visual C++ rounds the struct size up to 16 byte. */
|
|---|
| 439 | uint64_t padding1;
|
|---|
| 440 | #endif
|
|---|
| 441 | } EMCPU;
|
|---|
| 442 | /** Pointer to EM VM instance data. */
|
|---|
| 443 | typedef EMCPU *PEMCPU;
|
|---|
| 444 |
|
|---|
| 445 | /** @} */
|
|---|
| 446 |
|
|---|
| 447 |
|
|---|
| 448 | int emR3HwAccExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
|
|---|
| 449 | int emR3RawExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
|
|---|
| 450 | int emR3RawHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
|
|---|
| 451 | int emR3HwaccmHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
|
|---|
| 452 | EMSTATE emR3Reschedule(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
|
|---|
| 453 | int emR3ForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
|
|---|
| 454 | int emR3HighPriorityPostForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
|
|---|
| 455 | int emR3RawUpdateForceFlag(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
|
|---|
| 456 | int emR3RawResumeHyper(PVM pVM, PVMCPU pVCpu);
|
|---|
| 457 | int emR3RawStep(PVM pVM, PVMCPU pVCpu);
|
|---|
| 458 | int emR3SingleStepExecRem(PVM pVM, PVMCPU pVCpu, uint32_t cIterations);
|
|---|
| 459 |
|
|---|
| 460 | RT_C_DECLS_END
|
|---|
| 461 |
|
|---|
| 462 | #endif
|
|---|
| 463 |
|
|---|
