| 1 | /* $Id: PGMGC.cpp 13087 2008-10-08 15:38:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * PGM - Page Monitor, Guest Context.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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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 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | */
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| 21 |
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| 22 |
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| 23 | /*******************************************************************************
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| 24 | * Header Files *
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| 25 | *******************************************************************************/
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| 26 | #define LOG_GROUP LOG_GROUP_PGM
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| 27 | #include <VBox/pgm.h>
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| 28 | #include <VBox/cpum.h>
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| 29 | #include <VBox/mm.h>
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| 30 | #include <VBox/em.h>
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| 31 | #include <VBox/selm.h>
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| 32 | #include <VBox/iom.h>
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| 33 | #include <VBox/trpm.h>
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| 34 | #include <VBox/rem.h>
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| 35 | #include "PGMInternal.h"
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| 36 | #include <VBox/vm.h>
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| 37 |
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| 38 | #include <iprt/asm.h>
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| 39 | #include <iprt/assert.h>
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| 40 | #include <VBox/log.h>
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| 41 | #include <VBox/param.h>
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| 42 | #include <VBox/err.h>
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| 43 | #include <VBox/dis.h>
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| 44 | #include <VBox/disopcode.h>
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| 45 |
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| 46 |
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| 47 |
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| 48 | /*******************************************************************************
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| 49 | * Internal Functions *
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| 50 | *******************************************************************************/
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| 51 |
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| 52 |
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| 53 |
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| 54 | #ifndef RT_ARCH_AMD64
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| 55 | /*
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| 56 | * Shadow - 32-bit mode
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| 57 | */
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| 58 | #define PGM_SHW_TYPE PGM_TYPE_32BIT
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| 59 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_32BIT(name)
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| 60 | #include "PGMGCShw.h"
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| 61 |
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| 62 | /* Guest - real mode */
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| 63 | #define PGM_GST_TYPE PGM_TYPE_REAL
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| 64 | #define PGM_GST_NAME(name) PGM_GST_NAME_REAL(name)
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| 65 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_REAL(name)
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| 66 | #include "PGMGCGst.h"
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| 67 | #include "PGMGCBth.h"
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| 68 | #undef PGM_BTH_NAME
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| 69 | #undef PGM_GST_TYPE
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| 70 | #undef PGM_GST_NAME
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| 71 |
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| 72 | /* Guest - protected mode */
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| 73 | #define PGM_GST_TYPE PGM_TYPE_PROT
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| 74 | #define PGM_GST_NAME(name) PGM_GST_NAME_PROT(name)
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| 75 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_PROT(name)
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| 76 | #include "PGMGCGst.h"
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| 77 | #include "PGMGCBth.h"
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| 78 | #undef PGM_BTH_NAME
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| 79 | #undef PGM_GST_TYPE
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| 80 | #undef PGM_GST_NAME
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| 81 |
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| 82 | /* Guest - 32-bit mode */
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| 83 | #define PGM_GST_TYPE PGM_TYPE_32BIT
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| 84 | #define PGM_GST_NAME(name) PGM_GST_NAME_32BIT(name)
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| 85 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_32BIT(name)
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| 86 | #include "PGMGCGst.h"
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| 87 | #include "PGMGCBth.h"
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| 88 | #undef PGM_BTH_NAME
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| 89 | #undef PGM_GST_TYPE
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| 90 | #undef PGM_GST_NAME
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| 91 |
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| 92 | #undef PGM_SHW_TYPE
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| 93 | #undef PGM_SHW_NAME
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| 94 | #endif /* !RT_ARCH_AMD64 */
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| 95 |
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| 96 |
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| 97 | /*
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| 98 | * Shadow - PAE mode
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| 99 | */
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| 100 | #define PGM_SHW_TYPE PGM_TYPE_PAE
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| 101 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_PAE(name)
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| 102 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_REAL(name)
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| 103 | #include "PGMGCShw.h"
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| 104 |
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| 105 | /* Guest - real mode */
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| 106 | #define PGM_GST_TYPE PGM_TYPE_REAL
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| 107 | #define PGM_GST_NAME(name) PGM_GST_NAME_REAL(name)
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| 108 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_REAL(name)
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| 109 | #include "PGMGCBth.h"
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| 110 | #undef PGM_BTH_NAME
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| 111 | #undef PGM_GST_TYPE
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| 112 | #undef PGM_GST_NAME
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| 113 |
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| 114 | /* Guest - protected mode */
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| 115 | #define PGM_GST_TYPE PGM_TYPE_PROT
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| 116 | #define PGM_GST_NAME(name) PGM_GST_NAME_PROT(name)
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| 117 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_PROT(name)
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| 118 | #include "PGMGCBth.h"
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| 119 | #undef PGM_BTH_NAME
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| 120 | #undef PGM_GST_TYPE
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| 121 | #undef PGM_GST_NAME
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| 122 |
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| 123 | /* Guest - 32-bit mode */
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| 124 | #define PGM_GST_TYPE PGM_TYPE_32BIT
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| 125 | #define PGM_GST_NAME(name) PGM_GST_NAME_32BIT(name)
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| 126 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_32BIT(name)
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| 127 | #include "PGMGCBth.h"
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| 128 | #undef PGM_BTH_NAME
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| 129 | #undef PGM_GST_TYPE
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| 130 | #undef PGM_GST_NAME
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| 131 |
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| 132 | /* Guest - PAE mode */
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| 133 | #define PGM_GST_TYPE PGM_TYPE_PAE
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| 134 | #define PGM_GST_NAME(name) PGM_GST_NAME_PAE(name)
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| 135 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_PAE(name)
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| 136 | #include "PGMGCGst.h"
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| 137 | #include "PGMGCBth.h"
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| 138 | #undef PGM_BTH_NAME
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| 139 | #undef PGM_GST_TYPE
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| 140 | #undef PGM_GST_NAME
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| 141 |
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| 142 | #undef PGM_SHW_TYPE
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| 143 | #undef PGM_SHW_NAME
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| 144 |
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| 145 |
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| 146 | /*
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| 147 | * Shadow - AMD64 mode
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| 148 | */
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| 149 | #define PGM_SHW_TYPE PGM_TYPE_AMD64
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| 150 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_AMD64(name)
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| 151 | #include "PGMGCShw.h"
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| 152 |
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| 153 | /* Guest - AMD64 mode */
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| 154 | #define PGM_GST_TYPE PGM_TYPE_AMD64
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| 155 | #define PGM_GST_NAME(name) PGM_GST_NAME_AMD64(name)
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| 156 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_AMD64_AMD64(name)
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| 157 | #include "PGMGCGst.h"
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| 158 | #include "PGMGCBth.h"
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| 159 | #undef PGM_BTH_NAME
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| 160 | #undef PGM_GST_TYPE
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| 161 | #undef PGM_GST_NAME
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| 162 |
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| 163 | #undef PGM_SHW_TYPE
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| 164 | #undef PGM_SHW_NAME
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| 165 |
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| 166 |
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| 167 |
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| 168 | /**
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| 169 | * Emulation of the invlpg instruction.
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| 170 | *
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| 171 | * @returns VBox status code suitable for scheduling.
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| 172 | * @param pVM VM handle.
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| 173 | * @param GCPtrPage Page to invalidate.
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| 174 | */
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| 175 | VMMRCDECL(int) PGMGCInvalidatePage(PVM pVM, RTGCPTR GCPtrPage)
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| 176 | {
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| 177 | LogFlow(("PGMGCInvalidatePage: GCPtrPage=%VGv\n", GCPtrPage));
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| 178 |
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| 179 | STAM_PROFILE_START(&pVM->pgm.s.StatRCInvalidatePage, a);
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| 180 |
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| 181 | /*
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| 182 | * Check for conflicts and pending CR3 monitoring updates.
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| 183 | */
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| 184 | if (!pVM->pgm.s.fMappingsFixed)
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| 185 | {
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| 186 | if ( pgmGetMapping(pVM, GCPtrPage)
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| 187 | /** @todo && (PGMGstGetPDE(pVM, GCPtrPage) & X86_PDE_P) - FIX THIS NOW!!! */ )
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| 188 | {
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| 189 | LogFlow(("PGMGCInvalidatePage: Conflict!\n"));
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| 190 | VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
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| 191 | STAM_PROFILE_STOP(&pVM->pgm.s.StatRCInvalidatePage, a);
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| 192 | return VINF_PGM_SYNC_CR3;
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| 193 | }
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| 194 |
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| 195 | if (pVM->pgm.s.fSyncFlags & PGM_SYNC_MONITOR_CR3)
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| 196 | {
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| 197 | LogFlow(("PGMGCInvalidatePage: PGM_SYNC_MONITOR_CR3 -> reinterpret instruction in HC\n"));
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| 198 | STAM_PROFILE_STOP(&pVM->pgm.s.StatRCInvalidatePage, a);
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| 199 | /** @todo counter for these... */
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| 200 | return VINF_EM_RAW_EMULATE_INSTR;
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| 201 | }
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| 202 | }
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| 203 |
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| 204 | /*
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| 205 | * Notify the recompiler so it can record this instruction.
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| 206 | * Failure happens when it's out of space. We'll return to HC in that case.
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| 207 | */
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| 208 | int rc = REMNotifyInvalidatePage(pVM, GCPtrPage);
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| 209 | if (rc == VINF_SUCCESS)
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| 210 | rc = PGM_BTH_PFN(InvalidatePage, pVM)(pVM, GCPtrPage);
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| 211 |
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| 212 | STAM_PROFILE_STOP(&pVM->pgm.s.StatRCInvalidatePage, a);
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| 213 | return rc;
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| 214 | }
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