1 | ; $Id: PATMA.mac 1125 2007-03-01 12:30:38Z vboxsync $
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2 | ;; @file
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3 | ; PATM macros & definitions (identical to PATMA.h!!)
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4 | ;
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5 |
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6 | ;
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7 | ; Copyright (C) 2006 InnoTek Systemberatung 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 | ; hardcoded dependency on single byte int 3
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23 | %define PATM_INT3 int3
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24 |
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25 | %define PATM_VMFLAGS 0xF1ABCD00
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26 | %ifdef VBOX_WITH_STATISTICS
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27 | %define PATM_ALLPATCHCALLS 0xF1ABCD01
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28 | %define PATM_PERPATCHCALLS 0xF1ABCD02
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29 | %endif
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30 | %define PATM_JUMPDELTA 0xF1ABCD03
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31 | %ifdef VBOX_WITH_STATISTICS
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32 | %define PATM_IRETEFLAGS 0xF1ABCD04
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33 | %define PATM_IRETCS 0xF1ABCD05
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34 | %define PATM_IRETEIP 0xF1ABCD06
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35 | %endif
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36 | %define PATM_FIXUP 0xF1ABCD07
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37 | %define PATM_PENDINGACTION 0xF1ABCD08
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38 | %define PATM_CPUID_STD_PTR 0xF1ABCD09
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39 | %define PATM_CPUID_EXT_PTR 0xF1ABCD0a
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40 | %define PATM_CPUID_DEF_PTR 0xF1ABCD0b
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41 | %define PATM_STACKBASE 0xF1ABCD0c ;/** Stack to store our private patch return addesses */
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42 | %define PATM_STACKBASE_GUEST 0xF1ABCD0d ;/** Stack to store guest return addresses */
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43 | %define PATM_STACKPTR 0xF1ABCD0e
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44 | %define PATM_PATCHBASE 0xF1ABCD0f
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45 | %define PATM_INTERRUPTFLAG 0xF1ABCD10
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46 | %define PATM_INHIBITIRQADDR 0xF1ABCD11
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47 | %define PATM_VM_FORCEDACTIONS 0xF1ABCD12
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48 | %define PATM_TEMP_EAX 0xF1ABCD13 ;/** Location for original EAX register */
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49 | %define PATM_TEMP_ECX 0xF1ABCD14 ;/** Location for original ECX register */
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50 | %define PATM_TEMP_EDI 0xF1ABCD15 ;/** Location for original EDI register */
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51 | %define PATM_TEMP_EFLAGS 0xF1ABCD16 ;/** Location for original eflags */
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52 | %define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 ;/** Which registers to restore */
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53 | %define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18
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54 | %define PATM_CALL_RETURN_ADDR 0xF1ABCD19
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55 |
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56 | ;/* Anything larger doesn't require a fixup */
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57 | %define PATM_NO_FIXUP 0xF1ABCE00
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58 | %define PATM_CPUID_STD_MAX 0xF1ABCE00
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59 | %define PATM_CPUID_EXT_MAX 0xF1ABCE01
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60 | %define PATM_RETURNADDR 0xF1ABCE02
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61 | %define PATM_PATCHNEXTBLOCK 0xF1ABCE03
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62 | %define PATM_CALLTARGET 0xF1ABCE04 ; /* relative */
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63 | %define PATM_NEXTINSTRADDR 0xF1ABCE05 ; /* absolute guest address of the next instruction */
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64 | %define PATM_CURINSTRADDR 0xF1ABCE06 ; /* absolute guest address of the current instruction */
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65 | %define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 ; /** Relative address of global PATM lookup and call function. */
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66 | %define PATM_RETURN_FUNCTION 0xF1ABCE08 ; /** Relative address of global PATM return function. */
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67 | %define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 ; /** Relative address of global PATM lookup and jump function. */
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68 | %define PATM_IRET_FUNCTION 0xF1ABCE0A ; /** Relative address of global PATM iret function. */
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69 |
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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 (4096)
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79 | %define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE)
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80 |
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81 | ;/* Patch Manager pending actions (in GCSTATE). */
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82 | %define PATM_ACTION_LOOKUP_ADDRESS 1
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83 | %define PATM_ACTION_DISPATCH_PENDING_IRQ 2
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84 | %define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3
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85 | %define PATM_ACTION_DO_V86_IRET 4
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86 | %define PATM_ACTION_LOG_IF1 5
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87 | %define PATM_ACTION_LOG_CLI 6
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88 | %define PATM_ACTION_LOG_STI 7
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89 | %define PATM_ACTION_LOG_POPF_IF1 8
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90 | %define PATM_ACTION_LOG_POPF_IF0 9
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91 | %define PATM_ACTION_LOG_PUSHF 10
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92 | %define PATM_ACTION_LOG_IRET 11
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93 | %define PATM_ACTION_LOG_RET 12
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94 | %define PATM_ACTION_LOG_CALL 13
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95 |
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96 | ;/* Magic dword found in ecx for patm pending actions. */
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97 | %define PATM_ACTION_MAGIC 0xABCD4321
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98 |
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99 | %define PATM_RESTORE_EAX BIT(0)
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100 | %define PATM_RESTORE_ECX BIT(1)
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101 | %define PATM_RESTORE_EDI BIT(2)
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102 |
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103 |
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104 | ;/* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
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105 | %define PATM_MAX_JUMPTABLE_ENTRIES 16
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106 |
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107 | struc PATCHJUMPTABLE
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108 | .nrSlots resw 1
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109 | .ulInsertPos resw 1
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110 | .cAddresses resd 1
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111 | ; array of pInstrGC and pRelPatchGC pairs (nrSlot times)
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112 | .Slot_pInstrGC resd 1
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113 | .Slot_pRelPatchGC resd 1
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114 | endstruc
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115 |
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116 | ;/* Must match structure size!!
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117 | %define PATCHJUMPTABLE_SIZE (PATM_MAX_JUMPTABLE_ENTRIES*2*4)
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118 | ;/* Direct calls need only one lookup slot */
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119 | %define PATCHDIRECTJUMPTABLE_SIZE (2*4)
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120 |
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