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source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac@ 61540

Last change on this file since 61540 was 56295, checked in by vboxsync, 10 years ago

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1; $Id: bootsector2-common-traprec.mac 56295 2015-06-09 14:29:55Z vboxsync $
2;; @file
3; Boot sector 2 - Trap Records.
4;
5; @note Don't forget to cinldue bootsector2-common-traprec-end.mac!
6;
7
8;
9; Copyright (C) 2007-2015 Oracle Corporation
10;
11; This file is part of VirtualBox Open Source Edition (OSE), as
12; available from http://www.virtualbox.org. This file is free software;
13; you can redistribute it and/or modify it under the terms of the GNU
14; General Public License (GPL) as published by the Free Software
15; Foundation, in version 2 as it comes in the "COPYING" file of the
16; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
17; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
18;
19; The contents of this file may alternatively be used under the terms
20; of the Common Development and Distribution License Version 1.0
21; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
22; VirtualBox OSE distribution, in which case the provisions of the
23; CDDL are applicable instead of those of the GPL.
24;
25; You may elect to license modified versions of this file under the
26; terms and conditions of either the GPL or the CDDL or both.
27;
28
29%ifndef ___bootsector2_common_traprec_mac___
30%define ___bootsector2_common_traprec_mac___
31
32
33;*******************************************************************************
34;* Header Files *
35;*******************************************************************************
36%include "iprt/x86.mac"
37
38
39;*******************************************************************************
40;* Defined Constants And Macros *
41;*******************************************************************************
42;;
43; The base address for the records (only important for 64-bit code
44; loaded above 4GB).
45; We use 0 by default so we don't create too complex expressions for YASM.
46%ifndef BS2_TRAP_RECS_BASE
47 %define BS2_TRAP_RECS_BASE 0
48%endif
49
50;;
51; Macro to emit an trapping instruction.
52;
53; @param 1 The trap number (X86_XCPT_XXX).
54; @param 2 The error code, 0 if none.
55; @param 3+ The instruction.
56;
57; @sa BS2_TRAP_BRANCH_INSTR
58;
59%macro BS2_TRAP_INSTR 3+,
60 [section .traprecs]
61 istruc BS2TRAPREC
62 at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE)
63 at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr)
64 at BS2TRAPREC.u8TrapNo, db %1
65 at BS2TRAPREC.u16ErrCd, dw %2
66 iend
67 __SECT__
68 %if %1 != X86_XCPT_BP
69 %%trapinstr:
70 %3
71 %else
72 %3
73 %%trapinstr:
74 %endif
75 call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1)
76 %%resume:
77%endmacro
78
79;;
80; Macro to emit an trapping instruction.
81;
82; @param 1 The trap number (X86_XCPT_XXX).
83; @param 2 The error code, 0 if none.
84; @param 3 The name of the branch label.
85; @param 4+ The instruction.
86;
87%macro BS2_TRAP_BRANCH_INSTR 4+,
88 [section .traprecs]
89 istruc BS2TRAPREC
90 at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE)
91 at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr)
92 at BS2TRAPREC.u8TrapNo, db %1
93 at BS2TRAPREC.u16ErrCd, dw %2
94 iend
95 __SECT__
96 %%trapinstr:
97 %4
98 %3:
99 call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1)
100 %%resume:
101%endmacro
102
103;;
104; Sets up the trap records section.
105; @internal
106%macro BS2_TRAP_RECS_BEGIN 0,
107 [section .traprecs] ; Declared in bootsector2-common-init-code.mac
108 dq 0ffffffffeeeeeeeeh
109g_aTrapRecs:
110 __SECT__
111%endmacro
112
113;;
114; Terminates the trap records section.
115; @internal
116%macro BS2_TRAP_RECS_END 0,
117 [section .traprecs]
118g_aTrapRecsEnd:
119 dq 0ddddddddcccccccch
120 __SECT__
121%endmacro
122
123
124;;
125; Macro for installing the trap records.
126;
127; This must be invoked prior the the traps.
128;
129; @uses Stack
130;
131%macro BS2_TRAP_RECS_INSTALL 0,
132 push sAX
133 push sDX
134 push sCX
135
136 mov sAX, NAME(g_aTrapRecs)
137 mov edx, NAME(g_aTrapRecsEnd) - NAME(g_aTrapRecs)
138 shr edx, BS2TRAPREC_SIZE_SHIFT
139 mov sCX, BS2_TRAP_RECS_BASE
140 call TMPL_NM_CMN(TestInstallTrapRecs)
141
142 pop sAX
143 pop sDX
144 pop sCX
145%endmacro
146
147
148;;
149; Macro for uninstalling the trap records.
150;
151; @uses Stack
152;
153%macro BS2_TRAP_RECS_UNINSTALL 0,
154 push sAX
155 push sDX
156 push sCX
157
158 xor sAX, sAX
159 xor edx, edx
160 xor sCX, sCX
161 call TMPL_NM_CMN(TestInstallTrapRecs)
162
163 pop sAX
164 pop sDX
165 pop sCX
166%endmacro
167
168
169;
170; Setup the trap record segment.
171;
172BS2_TRAP_RECS_BEGIN
173BEGINCODELOW
174
175
176;
177; Instantiate code templates.
178;
179%ifdef BS2_INC_CMN_R86
180 %define TMPL_RM
181 %include "bootsector2-common-traprec-template.mac"
182%endif
183%ifdef BS2_INC_CMN_P16
184 %define TMPL_PE16
185 %include "bootsector2-common-traprec-template.mac"
186%endif
187%ifdef BS2_INC_CMN_P32
188 %define TMPL_PE32
189 %include "bootsector2-common-traprec-template.mac"
190%endif
191%ifdef BS2_INC_LM64
192 %define TMPL_LM64
193 %include "bootsector2-common-traprec-template.mac"
194%endif
195
196BEGINCODELOW
197
198%endif
199
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