1 | /* $Id: PATMA.h 3723 2007-07-19 18:46:00Z vboxsync $ */
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2 | /** @file
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3 | * PATM macros & definitions (identical to PATMA.mac!!)
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 innotek GmbH
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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 as published by the Free Software Foundation,
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13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * If you received this file as part of a commercial VirtualBox
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18 | * distribution, then only the terms of your commercial VirtualBox
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19 | * license agreement apply instead of the previous paragraph.
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20 | */
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21 |
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22 | #ifndef ___PATMA_H
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23 | #define ___PATMA_H
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24 |
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25 |
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26 | #define PATM_VMFLAGS 0xF1ABCD00
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27 | #ifdef VBOX_WITH_STATISTICS
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28 | #define PATM_ALLPATCHCALLS 0xF1ABCD01
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29 | #define PATM_PERPATCHCALLS 0xF1ABCD02
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30 | #endif
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31 | #define PATM_JUMPDELTA 0xF1ABCD03
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32 | #ifdef VBOX_WITH_STATISTICS
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33 | #define PATM_IRETEFLAGS 0xF1ABCD04
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34 | #define PATM_IRETCS 0xF1ABCD05
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35 | #define PATM_IRETEIP 0xF1ABCD06
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36 | #endif
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37 | #define PATM_FIXUP 0xF1ABCD07
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38 | #define PATM_PENDINGACTION 0xF1ABCD08
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39 | #define PATM_CPUID_STD_PTR 0xF1ABCD09
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40 | #define PATM_CPUID_EXT_PTR 0xF1ABCD0a
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41 | #define PATM_CPUID_DEF_PTR 0xF1ABCD0b
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42 | #define PATM_STACKBASE 0xF1ABCD0c /** Stack to store our private patch return addesses */
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43 | #define PATM_STACKBASE_GUEST 0xF1ABCD0d /** Stack to store guest return addresses */
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44 | #define PATM_STACKPTR 0xF1ABCD0e
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45 | #define PATM_PATCHBASE 0xF1ABCD0f
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46 | #define PATM_INTERRUPTFLAG 0xF1ABCD10
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47 | #define PATM_INHIBITIRQADDR 0xF1ABCD11
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48 | #define PATM_VM_FORCEDACTIONS 0xF1ABCD12
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49 | #define PATM_TEMP_EAX 0xF1ABCD13 /** Location for original EAX register */
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50 | #define PATM_TEMP_ECX 0xF1ABCD14 /** Location for original ECX register */
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51 | #define PATM_TEMP_EDI 0xF1ABCD15 /** Location for original EDI register */
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52 | #define PATM_TEMP_EFLAGS 0xF1ABCD16 /** Location for original eflags */
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53 | #define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 /** Which registers to restore */
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54 | #define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18
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55 | #define PATM_CALL_RETURN_ADDR 0xF1ABCD19
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56 |
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57 | /* Anything larger doesn't require a fixup */
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58 | #define PATM_NO_FIXUP 0xF1ABCE00
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59 | #define PATM_CPUID_STD_MAX 0xF1ABCE00
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60 | #define PATM_CPUID_EXT_MAX 0xF1ABCE01
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61 | #define PATM_RETURNADDR 0xF1ABCE02
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62 | #define PATM_PATCHNEXTBLOCK 0xF1ABCE03
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63 | #define PATM_CALLTARGET 0xF1ABCE04 /** relative call target */
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64 | #define PATM_NEXTINSTRADDR 0xF1ABCE05 /** absolute guest address of the next instruction */
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65 | #define PATM_CURINSTRADDR 0xF1ABCE06 /** absolute guest address of the current instruction */
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66 | #define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 /** Relative address of global PATM lookup and call function. */
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67 | #define PATM_RETURN_FUNCTION 0xF1ABCE08 /** Relative address of global PATM return function. */
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68 | #define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 /** Relative address of global PATM lookup and jump function. */
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69 | #define PATM_IRET_FUNCTION 0xF1ABCE0A /** Relative address of global PATM iret function. */
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70 |
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71 | // everything except IOPL, NT, IF, VM, VIF, VIP and RF
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72 | #define PATM_FLAGS_MASK (X86_EFL_CF|X86_EFL_PF|X86_EFL_AF|X86_EFL_ZF|X86_EFL_SF|X86_EFL_TF|X86_EFL_DF|X86_EFL_OF|X86_EFL_AC|X86_EFL_ID)
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73 |
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74 | // currently only IF & IOPL
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75 | #define PATM_VIRTUAL_FLAGS_MASK (X86_EFL_IF|X86_EFL_IOPL)
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76 |
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77 | /* PATM stack size (identical in PATMA.mac!!) */
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78 | #define PATM_STACK_SIZE (PAGE_SIZE)
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79 | #define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE)
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80 | #define PATM_MAX_STACK (PATM_STACK_SIZE/sizeof(RTGCPTR))
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81 |
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82 | /* Patch Manager pending actions (in GCSTATE). */
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83 | #define PATM_ACTION_LOOKUP_ADDRESS 1
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84 | #define PATM_ACTION_DISPATCH_PENDING_IRQ 2
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85 | #define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3
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86 | #define PATM_ACTION_DO_V86_IRET 4
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87 | #define PATM_ACTION_LOG_IF1 5
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88 | #define PATM_ACTION_LOG_CLI 6
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89 | #define PATM_ACTION_LOG_STI 7
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90 | #define PATM_ACTION_LOG_POPF_IF1 8
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91 | #define PATM_ACTION_LOG_POPF_IF0 9
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92 | #define PATM_ACTION_LOG_PUSHF 10
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93 | #define PATM_ACTION_LOG_IRET 11
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94 | #define PATM_ACTION_LOG_RET 12
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95 | #define PATM_ACTION_LOG_CALL 13
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96 | #define PATM_ACTION_LOG_GATE_ENTRY 14
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97 |
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98 | /* Magic dword found in ecx for patm pending actions. */
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99 | #define PATM_ACTION_MAGIC 0xABCD4321
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100 |
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101 | /** PATM_TEMP_RESTORE_FLAGS */
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102 | #define PATM_RESTORE_EAX BIT(0)
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103 | #define PATM_RESTORE_ECX BIT(1)
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104 | #define PATM_RESTORE_EDI BIT(2)
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105 |
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106 | typedef struct
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107 | {
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108 | uint8_t *pFunction;
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109 | uint32_t offJump;
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110 | uint32_t offRelJump; //used only by loop/loopz/loopnz
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111 | uint32_t offSizeOverride; //size override byte position
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112 | uint32_t size;
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113 | uint32_t nrRelocs;
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114 | uint32_t uReloc[1];
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115 | } PATCHASMRECORD, *PPATCHASMRECORD;
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116 |
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117 | /* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
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118 | /** @note MUST BE A POWER OF TWO! */
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119 | /** @note direct calls have only one lookup slot (PATCHDIRECTJUMPTABLE_SIZE) */
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120 | /** @note Some statistics reveal that:
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121 | * - call: Windows XP boot -> max 16, 127 replacements
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122 | * - call: Knoppix 3.7 boot -> max 9
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123 | * - ret: Knoppix 5.0.1 boot -> max 16, 80000 replacements (3+ million hits)
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124 | */
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125 | #define PATM_MAX_JUMPTABLE_ENTRIES 16
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126 | typedef struct
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127 | {
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128 | uint16_t nrSlots;
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129 | uint16_t ulInsertPos;
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130 | uint32_t cAddresses;
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131 | struct
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132 | {
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133 | RTGCPTR pInstrGC;
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134 | RTGCUINTPTR pRelPatchGC; /* relative to patch base */
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135 | } Slot[1];
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136 | } PATCHJUMPTABLE, *PPATCHJUMPTABLE;
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137 |
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138 |
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139 | __BEGIN_DECLS
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140 |
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141 | extern PATCHASMRECORD PATMCliRecord;
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142 | extern PATCHASMRECORD PATMStiRecord;
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143 | extern PATCHASMRECORD PATMPopf32Record;
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144 | extern PATCHASMRECORD PATMPopf16Record;
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145 | extern PATCHASMRECORD PATMPopf16Record_NoExit;
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146 | extern PATCHASMRECORD PATMPopf32Record_NoExit;
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147 | extern PATCHASMRECORD PATMPushf32Record;
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148 | extern PATCHASMRECORD PATMPushf16Record;
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149 | extern PATCHASMRECORD PATMIretRecord;
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150 | extern PATCHASMRECORD PATMCpuidRecord;
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151 | extern PATCHASMRECORD PATMLoopRecord;
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152 | extern PATCHASMRECORD PATMLoopZRecord;
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153 | extern PATCHASMRECORD PATMLoopNZRecord;
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154 | extern PATCHASMRECORD PATMJEcxRecord;
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155 | extern PATCHASMRECORD PATMIntEntryRecord;
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156 | extern PATCHASMRECORD PATMIntEntryRecordErrorCode;
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157 | extern PATCHASMRECORD PATMTrapEntryRecord;
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158 | extern PATCHASMRECORD PATMTrapEntryRecordErrorCode;
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159 | extern PATCHASMRECORD PATMPushCSRecord;
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160 |
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161 | extern PATCHASMRECORD PATMCheckIFRecord;
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162 | extern PATCHASMRECORD PATMJumpToGuest_IF1Record;
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163 |
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164 | extern PATCHASMRECORD PATMCallRecord;
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165 | extern PATCHASMRECORD PATMCallIndirectRecord;
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166 | extern PATCHASMRECORD PATMRetRecord;
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167 | extern PATCHASMRECORD PATMJumpIndirectRecord;
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168 |
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169 | extern PATCHASMRECORD PATMLookupAndCallRecord;
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170 | extern PATCHASMRECORD PATMRetFunctionRecord;
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171 | extern PATCHASMRECORD PATMLookupAndJumpRecord;
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172 | extern PATCHASMRECORD PATMIretFunctionRecord;
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173 |
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174 | extern PATCHASMRECORD PATMStatsRecord;
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175 |
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176 | extern PATCHASMRECORD PATMSetPIFRecord;
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177 | extern PATCHASMRECORD PATMClearPIFRecord;
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178 |
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179 | extern PATCHASMRECORD PATMSetInhibitIRQRecord;
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180 | extern PATCHASMRECORD PATMClearInhibitIRQFaultIF0Record;
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181 | extern PATCHASMRECORD PATMClearInhibitIRQContIF0Record;
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182 |
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183 | extern PATCHASMRECORD PATMMovFromSSRecord;
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184 |
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185 | extern uint32_t PATMInterruptFlag;
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186 |
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187 | __END_DECLS
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188 |
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189 | #endif
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