VirtualBox

source: vbox/trunk/src/VBox/VMM/PATM/PATMA.mac@ 1125

Last change on this file since 1125 was 1125, checked in by vboxsync, 18 years ago

Forward iret to V86 code to our trap handler for emulation.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 5.3 KB
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1; $Id: PATMA.mac 1125 2007-03-01 12:30:38Z vboxsync $
2;; @file
3; PATM macros & definitions (identical to PATMA.h!!)
4;
5
6;
7; Copyright (C) 2006 InnoTek Systemberatung 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; hardcoded dependency on single byte int 3
23%define PATM_INT3 int3
24
25%define PATM_VMFLAGS 0xF1ABCD00
26%ifdef VBOX_WITH_STATISTICS
27%define PATM_ALLPATCHCALLS 0xF1ABCD01
28%define PATM_PERPATCHCALLS 0xF1ABCD02
29%endif
30%define PATM_JUMPDELTA 0xF1ABCD03
31%ifdef VBOX_WITH_STATISTICS
32%define PATM_IRETEFLAGS 0xF1ABCD04
33%define PATM_IRETCS 0xF1ABCD05
34%define PATM_IRETEIP 0xF1ABCD06
35%endif
36%define PATM_FIXUP 0xF1ABCD07
37%define PATM_PENDINGACTION 0xF1ABCD08
38%define PATM_CPUID_STD_PTR 0xF1ABCD09
39%define PATM_CPUID_EXT_PTR 0xF1ABCD0a
40%define PATM_CPUID_DEF_PTR 0xF1ABCD0b
41%define PATM_STACKBASE 0xF1ABCD0c ;/** Stack to store our private patch return addesses */
42%define PATM_STACKBASE_GUEST 0xF1ABCD0d ;/** Stack to store guest return addresses */
43%define PATM_STACKPTR 0xF1ABCD0e
44%define PATM_PATCHBASE 0xF1ABCD0f
45%define PATM_INTERRUPTFLAG 0xF1ABCD10
46%define PATM_INHIBITIRQADDR 0xF1ABCD11
47%define PATM_VM_FORCEDACTIONS 0xF1ABCD12
48%define PATM_TEMP_EAX 0xF1ABCD13 ;/** Location for original EAX register */
49%define PATM_TEMP_ECX 0xF1ABCD14 ;/** Location for original ECX register */
50%define PATM_TEMP_EDI 0xF1ABCD15 ;/** Location for original EDI register */
51%define PATM_TEMP_EFLAGS 0xF1ABCD16 ;/** Location for original eflags */
52%define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 ;/** Which registers to restore */
53%define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18
54%define PATM_CALL_RETURN_ADDR 0xF1ABCD19
55
56;/* Anything larger doesn't require a fixup */
57%define PATM_NO_FIXUP 0xF1ABCE00
58%define PATM_CPUID_STD_MAX 0xF1ABCE00
59%define PATM_CPUID_EXT_MAX 0xF1ABCE01
60%define PATM_RETURNADDR 0xF1ABCE02
61%define PATM_PATCHNEXTBLOCK 0xF1ABCE03
62%define PATM_CALLTARGET 0xF1ABCE04 ; /* relative */
63%define PATM_NEXTINSTRADDR 0xF1ABCE05 ; /* absolute guest address of the next instruction */
64%define PATM_CURINSTRADDR 0xF1ABCE06 ; /* absolute guest address of the current instruction */
65%define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 ; /** Relative address of global PATM lookup and call function. */
66%define PATM_RETURN_FUNCTION 0xF1ABCE08 ; /** Relative address of global PATM return function. */
67%define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 ; /** Relative address of global PATM lookup and jump function. */
68%define PATM_IRET_FUNCTION 0xF1ABCE0A ; /** Relative address of global PATM iret function. */
69
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 (4096)
79%define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE)
80
81;/* Patch Manager pending actions (in GCSTATE). */
82%define PATM_ACTION_LOOKUP_ADDRESS 1
83%define PATM_ACTION_DISPATCH_PENDING_IRQ 2
84%define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3
85%define PATM_ACTION_DO_V86_IRET 4
86%define PATM_ACTION_LOG_IF1 5
87%define PATM_ACTION_LOG_CLI 6
88%define PATM_ACTION_LOG_STI 7
89%define PATM_ACTION_LOG_POPF_IF1 8
90%define PATM_ACTION_LOG_POPF_IF0 9
91%define PATM_ACTION_LOG_PUSHF 10
92%define PATM_ACTION_LOG_IRET 11
93%define PATM_ACTION_LOG_RET 12
94%define PATM_ACTION_LOG_CALL 13
95
96;/* Magic dword found in ecx for patm pending actions. */
97%define PATM_ACTION_MAGIC 0xABCD4321
98
99%define PATM_RESTORE_EAX BIT(0)
100%define PATM_RESTORE_ECX BIT(1)
101%define PATM_RESTORE_EDI BIT(2)
102
103
104;/* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
105%define PATM_MAX_JUMPTABLE_ENTRIES 16
106
107struc PATCHJUMPTABLE
108 .nrSlots resw 1
109 .ulInsertPos resw 1
110 .cAddresses resd 1
111 ; array of pInstrGC and pRelPatchGC pairs (nrSlot times)
112 .Slot_pInstrGC resd 1
113 .Slot_pRelPatchGC resd 1
114endstruc
115
116;/* Must match structure size!!
117%define PATCHJUMPTABLE_SIZE (PATM_MAX_JUMPTABLE_ENTRIES*2*4)
118;/* Direct calls need only one lookup slot */
119%define PATCHDIRECTJUMPTABLE_SIZE (2*4)
120
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