VirtualBox

source: vbox/trunk/src/VBox/VMM/PATM/PATMA.h@ 3723

Last change on this file since 3723 was 3723, checked in by vboxsync, 17 years ago

Double underscore cleanup.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 8.0 KB
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1/* $Id: PATMA.h 3723 2007-07-19 18:46:00Z vboxsync $ */
2/** @file
3 * PATM macros & definitions (identical to PATMA.mac!!)
4 */
5
6/*
7 * Copyright (C) 2006-2007 innotek GmbH
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License as published by the Free Software Foundation,
13 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14 * distribution. VirtualBox OSE is distributed in the hope that it will
15 * be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * If you received this file as part of a commercial VirtualBox
18 * distribution, then only the terms of your commercial VirtualBox
19 * license agreement apply instead of the previous paragraph.
20 */
21
22#ifndef ___PATMA_H
23#define ___PATMA_H
24
25
26#define PATM_VMFLAGS 0xF1ABCD00
27#ifdef VBOX_WITH_STATISTICS
28#define PATM_ALLPATCHCALLS 0xF1ABCD01
29#define PATM_PERPATCHCALLS 0xF1ABCD02
30#endif
31#define PATM_JUMPDELTA 0xF1ABCD03
32#ifdef VBOX_WITH_STATISTICS
33#define PATM_IRETEFLAGS 0xF1ABCD04
34#define PATM_IRETCS 0xF1ABCD05
35#define PATM_IRETEIP 0xF1ABCD06
36#endif
37#define PATM_FIXUP 0xF1ABCD07
38#define PATM_PENDINGACTION 0xF1ABCD08
39#define PATM_CPUID_STD_PTR 0xF1ABCD09
40#define PATM_CPUID_EXT_PTR 0xF1ABCD0a
41#define PATM_CPUID_DEF_PTR 0xF1ABCD0b
42#define PATM_STACKBASE 0xF1ABCD0c /** Stack to store our private patch return addesses */
43#define PATM_STACKBASE_GUEST 0xF1ABCD0d /** Stack to store guest return addresses */
44#define PATM_STACKPTR 0xF1ABCD0e
45#define PATM_PATCHBASE 0xF1ABCD0f
46#define PATM_INTERRUPTFLAG 0xF1ABCD10
47#define PATM_INHIBITIRQADDR 0xF1ABCD11
48#define PATM_VM_FORCEDACTIONS 0xF1ABCD12
49#define PATM_TEMP_EAX 0xF1ABCD13 /** Location for original EAX register */
50#define PATM_TEMP_ECX 0xF1ABCD14 /** Location for original ECX register */
51#define PATM_TEMP_EDI 0xF1ABCD15 /** Location for original EDI register */
52#define PATM_TEMP_EFLAGS 0xF1ABCD16 /** Location for original eflags */
53#define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 /** Which registers to restore */
54#define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18
55#define PATM_CALL_RETURN_ADDR 0xF1ABCD19
56
57/* Anything larger doesn't require a fixup */
58#define PATM_NO_FIXUP 0xF1ABCE00
59#define PATM_CPUID_STD_MAX 0xF1ABCE00
60#define PATM_CPUID_EXT_MAX 0xF1ABCE01
61#define PATM_RETURNADDR 0xF1ABCE02
62#define PATM_PATCHNEXTBLOCK 0xF1ABCE03
63#define PATM_CALLTARGET 0xF1ABCE04 /** relative call target */
64#define PATM_NEXTINSTRADDR 0xF1ABCE05 /** absolute guest address of the next instruction */
65#define PATM_CURINSTRADDR 0xF1ABCE06 /** absolute guest address of the current instruction */
66#define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 /** Relative address of global PATM lookup and call function. */
67#define PATM_RETURN_FUNCTION 0xF1ABCE08 /** Relative address of global PATM return function. */
68#define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 /** Relative address of global PATM lookup and jump function. */
69#define PATM_IRET_FUNCTION 0xF1ABCE0A /** Relative address of global PATM iret function. */
70
71// everything except IOPL, NT, IF, VM, VIF, VIP and RF
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)
73
74// currently only IF & IOPL
75#define PATM_VIRTUAL_FLAGS_MASK (X86_EFL_IF|X86_EFL_IOPL)
76
77/* PATM stack size (identical in PATMA.mac!!) */
78#define PATM_STACK_SIZE (PAGE_SIZE)
79#define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE)
80#define PATM_MAX_STACK (PATM_STACK_SIZE/sizeof(RTGCPTR))
81
82/* Patch Manager pending actions (in GCSTATE). */
83#define PATM_ACTION_LOOKUP_ADDRESS 1
84#define PATM_ACTION_DISPATCH_PENDING_IRQ 2
85#define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3
86#define PATM_ACTION_DO_V86_IRET 4
87#define PATM_ACTION_LOG_IF1 5
88#define PATM_ACTION_LOG_CLI 6
89#define PATM_ACTION_LOG_STI 7
90#define PATM_ACTION_LOG_POPF_IF1 8
91#define PATM_ACTION_LOG_POPF_IF0 9
92#define PATM_ACTION_LOG_PUSHF 10
93#define PATM_ACTION_LOG_IRET 11
94#define PATM_ACTION_LOG_RET 12
95#define PATM_ACTION_LOG_CALL 13
96#define PATM_ACTION_LOG_GATE_ENTRY 14
97
98/* Magic dword found in ecx for patm pending actions. */
99#define PATM_ACTION_MAGIC 0xABCD4321
100
101/** PATM_TEMP_RESTORE_FLAGS */
102#define PATM_RESTORE_EAX BIT(0)
103#define PATM_RESTORE_ECX BIT(1)
104#define PATM_RESTORE_EDI BIT(2)
105
106typedef struct
107{
108 uint8_t *pFunction;
109 uint32_t offJump;
110 uint32_t offRelJump; //used only by loop/loopz/loopnz
111 uint32_t offSizeOverride; //size override byte position
112 uint32_t size;
113 uint32_t nrRelocs;
114 uint32_t uReloc[1];
115} PATCHASMRECORD, *PPATCHASMRECORD;
116
117/* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
118/** @note MUST BE A POWER OF TWO! */
119/** @note direct calls have only one lookup slot (PATCHDIRECTJUMPTABLE_SIZE) */
120/** @note Some statistics reveal that:
121 * - call: Windows XP boot -> max 16, 127 replacements
122 * - call: Knoppix 3.7 boot -> max 9
123 * - ret: Knoppix 5.0.1 boot -> max 16, 80000 replacements (3+ million hits)
124 */
125#define PATM_MAX_JUMPTABLE_ENTRIES 16
126typedef struct
127{
128 uint16_t nrSlots;
129 uint16_t ulInsertPos;
130 uint32_t cAddresses;
131 struct
132 {
133 RTGCPTR pInstrGC;
134 RTGCUINTPTR pRelPatchGC; /* relative to patch base */
135 } Slot[1];
136} PATCHJUMPTABLE, *PPATCHJUMPTABLE;
137
138
139__BEGIN_DECLS
140
141extern PATCHASMRECORD PATMCliRecord;
142extern PATCHASMRECORD PATMStiRecord;
143extern PATCHASMRECORD PATMPopf32Record;
144extern PATCHASMRECORD PATMPopf16Record;
145extern PATCHASMRECORD PATMPopf16Record_NoExit;
146extern PATCHASMRECORD PATMPopf32Record_NoExit;
147extern PATCHASMRECORD PATMPushf32Record;
148extern PATCHASMRECORD PATMPushf16Record;
149extern PATCHASMRECORD PATMIretRecord;
150extern PATCHASMRECORD PATMCpuidRecord;
151extern PATCHASMRECORD PATMLoopRecord;
152extern PATCHASMRECORD PATMLoopZRecord;
153extern PATCHASMRECORD PATMLoopNZRecord;
154extern PATCHASMRECORD PATMJEcxRecord;
155extern PATCHASMRECORD PATMIntEntryRecord;
156extern PATCHASMRECORD PATMIntEntryRecordErrorCode;
157extern PATCHASMRECORD PATMTrapEntryRecord;
158extern PATCHASMRECORD PATMTrapEntryRecordErrorCode;
159extern PATCHASMRECORD PATMPushCSRecord;
160
161extern PATCHASMRECORD PATMCheckIFRecord;
162extern PATCHASMRECORD PATMJumpToGuest_IF1Record;
163
164extern PATCHASMRECORD PATMCallRecord;
165extern PATCHASMRECORD PATMCallIndirectRecord;
166extern PATCHASMRECORD PATMRetRecord;
167extern PATCHASMRECORD PATMJumpIndirectRecord;
168
169extern PATCHASMRECORD PATMLookupAndCallRecord;
170extern PATCHASMRECORD PATMRetFunctionRecord;
171extern PATCHASMRECORD PATMLookupAndJumpRecord;
172extern PATCHASMRECORD PATMIretFunctionRecord;
173
174extern PATCHASMRECORD PATMStatsRecord;
175
176extern PATCHASMRECORD PATMSetPIFRecord;
177extern PATCHASMRECORD PATMClearPIFRecord;
178
179extern PATCHASMRECORD PATMSetInhibitIRQRecord;
180extern PATCHASMRECORD PATMClearInhibitIRQFaultIF0Record;
181extern PATCHASMRECORD PATMClearInhibitIRQContIF0Record;
182
183extern PATCHASMRECORD PATMMovFromSSRecord;
184
185extern uint32_t PATMInterruptFlag;
186
187__END_DECLS
188
189#endif
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