VirtualBox

source: vbox/trunk/src/VBox/VMM/include/PATMA.h@ 54737

最後變更 在這個檔案從54737是 54714,由 vboxsync 提交於 10 年 前

PATM,CPUM: CPUID patch update.

  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Id
檔案大小: 9.6 KB
 
1/* $Id: PATMA.h 54714 2015-03-11 14:00:23Z vboxsync $ */
2/** @file
3 * PATM macros & definitions (identical to PATMA.mac!).
4 */
5
6/*
7 * Copyright (C) 2006-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.alldomusa.eu.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 (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ___PATMA_H
19#define ___PATMA_H
20
21/** @name Patch Fixup Types
22 * @remarks These fixups types are part of the saved state.
23 * @{ */
24#define PATM_VMFLAGS 0xF1ABCD00
25#ifdef VBOX_WITH_STATISTICS
26# define PATM_ALLPATCHCALLS 0xF1ABCD01
27# define PATM_PERPATCHCALLS 0xF1ABCD02
28#endif
29#define PATM_JUMPDELTA 0xF1ABCD03
30#ifdef VBOX_WITH_STATISTICS
31# define PATM_IRETEFLAGS 0xF1ABCD04
32# define PATM_IRETCS 0xF1ABCD05
33# define PATM_IRETEIP 0xF1ABCD06
34#endif
35#define PATM_FIXUP 0xF1ABCD07
36#define PATM_PENDINGACTION 0xF1ABCD08
37#define PATM_CPUID_STD_PTR 0xF1ABCD09 /**< Legacy, saved state only. */
38#define PATM_CPUID_EXT_PTR 0xF1ABCD0a /**< Legacy, saved state only. */
39#define PATM_CPUID_DEF_PTR 0xF1ABCD0b
40#define PATM_STACKBASE 0xF1ABCD0c /**< Stack to store our private patch return addresses */
41#define PATM_STACKBASE_GUEST 0xF1ABCD0d /**< Stack to store guest return addresses */
42#define PATM_STACKPTR 0xF1ABCD0e
43#define PATM_PATCHBASE 0xF1ABCD0f
44#define PATM_INTERRUPTFLAG 0xF1ABCD10
45#define PATM_INHIBITIRQADDR 0xF1ABCD11
46#define PATM_VM_FORCEDACTIONS 0xF1ABCD12
47#define PATM_TEMP_EAX 0xF1ABCD13 /**< Location for original EAX register */
48#define PATM_TEMP_ECX 0xF1ABCD14 /**< Location for original ECX register */
49#define PATM_TEMP_EDI 0xF1ABCD15 /**< Location for original EDI register */
50#define PATM_TEMP_EFLAGS 0xF1ABCD16 /**< Location for original eflags */
51#define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 /**< Which registers to restore */
52#define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18
53#define PATM_CALL_RETURN_ADDR 0xF1ABCD19
54#define PATM_CPUID_CENTAUR_PTR 0xF1ABCD1a /**< Legacy, saved state only. */
55#define PATM_CPUID_ARRAY_PTR 0xF1ABCD1b
56#define PATM_CPUID_ARRAY_END_PTR 0xF1ABCD1c
57#define PATM_CPUID_ARRAY_ENTRY_SIZE 0xF1ABCD1d
58#define PATM_CPUID_UNKNOWN_METHOD 0xF1ABCD1e
59
60/* Anything larger doesn't require a fixup */
61#define PATM_NO_FIXUP 0xF1ABCE00
62#define PATM_CPUID_STD_MAX 0xF1ABCE00
63#define PATM_CPUID_EXT_MAX 0xF1ABCE01
64#define PATM_RETURNADDR 0xF1ABCE02
65#define PATM_PATCHNEXTBLOCK 0xF1ABCE03
66#define PATM_CALLTARGET 0xF1ABCE04 /**< relative call target */
67#define PATM_NEXTINSTRADDR 0xF1ABCE05 /**< absolute guest address of the next instruction */
68#define PATM_CURINSTRADDR 0xF1ABCE06 /**< absolute guest address of the current instruction */
69#define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 /**< Relative address of global PATM lookup and call function. */
70#define PATM_RETURN_FUNCTION 0xF1ABCE08 /**< Relative address of global PATM return function. */
71#define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 /**< Relative address of global PATM lookup and jump function. */
72#define PATM_IRET_FUNCTION 0xF1ABCE0A /**< Relative address of global PATM iret function. */
73#define PATM_CPUID_CENTAUR_MAX 0xF1ABCE0B
74
75/** Identifies an patch fixup type value (with reasonable accuracy). */
76#define PATM_IS_FIXUP_TYPE(a_uValue) \
77 ( ((a_uValue) & UINT32_C(0xfffffC00)) == UINT32_C(0xF1ABCC00) && ((a_uValue) & UINT32_C(0xff)) < UINT32_C(0x30) )
78/** @} */
79
80
81/** Everything except IOPL, NT, IF, VM, VIF, VIP and RF */
82#define PATM_FLAGS_MASK ( X86_EFL_CF | X86_EFL_PF | X86_EFL_AF | X86_EFL_ZF | X86_EFL_SF \
83 | X86_EFL_TF | X86_EFL_DF | X86_EFL_OF | X86_EFL_AC | X86_EFL_ID)
84
85/** Flags that PATM virtualizes. Currently only IF & IOPL. */
86#define PATM_VIRTUAL_FLAGS_MASK (X86_EFL_IF | X86_EFL_IOPL)
87
88/* PATM stack size (identical in PATMA.mac!!) */
89#define PATM_STACK_SIZE (4096)
90#define PATM_STACK_TOTAL_SIZE (2 * PATM_STACK_SIZE)
91#define PATM_MAX_STACK (PATM_STACK_SIZE/sizeof(RTRCPTR))
92
93/** @name Patch Manager pending actions (in GCSTATE).
94 * @{ */
95#define PATM_ACTION_LOOKUP_ADDRESS 1
96#define PATM_ACTION_DISPATCH_PENDING_IRQ 2
97#define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3
98#define PATM_ACTION_DO_V86_IRET 4
99#define PATM_ACTION_LOG_IF1 5
100#define PATM_ACTION_LOG_CLI 6
101#define PATM_ACTION_LOG_STI 7
102#define PATM_ACTION_LOG_POPF_IF1 8
103#define PATM_ACTION_LOG_POPF_IF0 9
104#define PATM_ACTION_LOG_PUSHF 10
105#define PATM_ACTION_LOG_IRET 11
106#define PATM_ACTION_LOG_RET 12
107#define PATM_ACTION_LOG_CALL 13
108#define PATM_ACTION_LOG_GATE_ENTRY 14
109/** @} */
110
111/** Magic dword found in ecx for patm pending actions. */
112#define PATM_ACTION_MAGIC 0xABCD4321
113
114/** @name PATM_TEMP_RESTORE_FLAGS
115 * @{ */
116#define PATM_RESTORE_EAX RT_BIT(0)
117#define PATM_RESTORE_ECX RT_BIT(1)
118#define PATM_RESTORE_EDI RT_BIT(2)
119/** @} */
120
121/** Relocation entry for PATCHASMRECORD. */
122typedef struct PATCHASMRELOC
123{
124 /** The relocation type. */
125 uint32_t uType;
126 /** Additional information specific to the relocation type. */
127 uint32_t uInfo;
128} PATCHASMRELOC;
129typedef PATCHASMRELOC const *PCPATCHASMRELOC;
130
131/**
132 * Assembly patch descriptor record.
133 */
134typedef struct
135{
136 /** Pointer to the patch code. */
137 uint8_t *pbFunction;
138 /** Offset of the jump table? */
139 uint32_t offJump;
140 /** Used only by loop/loopz/loopnz. */
141 uint32_t offRelJump;
142 /** Size override byte position. */
143 uint32_t offSizeOverride;
144 /** The size of the patch function. */
145 uint32_t cbFunction;
146 /** The number of relocations in aRelocs. */
147 uint32_t cRelocs;
148 /** Variable sized relocation table. */
149 PATCHASMRELOC aRelocs[1];
150} PATCHASMRECORD;
151/** Pointer to a const patch descriptor record. */
152typedef PATCHASMRECORD const *PCPATCHASMRECORD;
153
154
155/* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
156/** @note MUST BE A POWER OF TWO! */
157/** @note direct calls have only one lookup slot (PATCHDIRECTJUMPTABLE_SIZE) */
158/** @note Some statistics reveal that:
159 * - call: Windows XP boot -> max 16, 127 replacements
160 * - call: Knoppix 3.7 boot -> max 9
161 * - ret: Knoppix 5.0.1 boot -> max 16, 80000 replacements (3+ million hits)
162 */
163#define PATM_MAX_JUMPTABLE_ENTRIES 16
164typedef struct
165{
166 uint16_t nrSlots;
167 uint16_t ulInsertPos;
168 uint32_t cAddresses;
169 struct
170 {
171 RTRCPTR pInstrGC;
172 RTRCUINTPTR pRelPatchGC; /* relative to patch base */
173 } Slot[1];
174} PATCHJUMPTABLE, *PPATCHJUMPTABLE;
175
176
177RT_C_DECLS_BEGIN
178
179/** @name Patch Descriptor Records (in PATMA.asm)
180 * @{ */
181extern PATCHASMRECORD g_patmCliRecord;
182extern PATCHASMRECORD g_patmStiRecord;
183extern PATCHASMRECORD g_patmPopf32Record;
184extern PATCHASMRECORD g_patmPopf16Record;
185extern PATCHASMRECORD g_patmPopf16Record_NoExit;
186extern PATCHASMRECORD g_patmPopf32Record_NoExit;
187extern PATCHASMRECORD g_patmPushf32Record;
188extern PATCHASMRECORD g_patmPushf16Record;
189extern PATCHASMRECORD g_patmIretRecord;
190extern PATCHASMRECORD g_patmIretRing1Record;
191extern PATCHASMRECORD g_patmCpuidRecord;
192extern PATCHASMRECORD g_patmLoopRecord;
193extern PATCHASMRECORD g_patmLoopZRecord;
194extern PATCHASMRECORD g_patmLoopNZRecord;
195extern PATCHASMRECORD g_patmJEcxRecord;
196extern PATCHASMRECORD g_patmIntEntryRecord;
197extern PATCHASMRECORD g_patmIntEntryRecordErrorCode;
198extern PATCHASMRECORD g_patmTrapEntryRecord;
199extern PATCHASMRECORD g_patmTrapEntryRecordErrorCode;
200extern PATCHASMRECORD g_patmPushCSRecord;
201
202extern PATCHASMRECORD g_patmCheckIFRecord;
203extern PATCHASMRECORD PATMJumpToGuest_IF1Record;
204
205extern PATCHASMRECORD g_patmCallRecord;
206extern PATCHASMRECORD g_patmCallIndirectRecord;
207extern PATCHASMRECORD g_patmRetRecord;
208extern PATCHASMRECORD g_patmJumpIndirectRecord;
209
210extern PATCHASMRECORD g_patmLookupAndCallRecord;
211extern PATCHASMRECORD g_patmRetFunctionRecord;
212extern PATCHASMRECORD g_patmLookupAndJumpRecord;
213extern PATCHASMRECORD g_patmIretFunctionRecord;
214
215extern PATCHASMRECORD g_patmStatsRecord;
216
217extern PATCHASMRECORD g_patmSetPIFRecord;
218extern PATCHASMRECORD g_patmClearPIFRecord;
219
220extern PATCHASMRECORD g_patmSetInhibitIRQRecord;
221extern PATCHASMRECORD g_patmClearInhibitIRQFaultIF0Record;
222extern PATCHASMRECORD g_patmClearInhibitIRQContIF0Record;
223
224extern PATCHASMRECORD g_patmMovFromSSRecord;
225/** @} */
226
227extern const uint32_t g_fPatmInterruptFlag;
228
229RT_C_DECLS_END
230
231#endif
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