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source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-asm.asm@ 97627

Last change on this file since 97627 was 97627, checked in by vboxsync, 2 years ago

ValKit/bs3-cpu-basic-2: More far return testing. bugref:9898
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File size: 8.4 KB
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1; $Id: bs3-cpu-basic-2-asm.asm 97627 2022-11-21 14:00:58Z vboxsync $
2;; @file
3; BS3Kit - bs3-cpu-basic-2
4;
5
6;
7; Copyright (C) 2007-2022 Oracle and/or its affiliates.
8;
9; This file is part of VirtualBox base platform packages, as
10; available from https://www.virtualbox.org.
11;
12; This program is free software; you can redistribute it and/or
13; modify it under the terms of the GNU General Public License
14; as published by the Free Software Foundation, in version 3 of the
15; License.
16;
17; This program is distributed in the hope that it will be useful, but
18; WITHOUT ANY WARRANTY; without even the implied warranty of
19; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20; General Public License for more details.
21;
22; You should have received a copy of the GNU General Public License
23; along with this program; if not, see <https://www.gnu.org/licenses>.
24;
25; The contents of this file may alternatively be used under the terms
26; of the Common Development and Distribution License Version 1.0
27; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28; in the VirtualBox distribution, in which case the provisions of the
29; CDDL are applicable instead of those of the GPL.
30;
31; You may elect to license modified versions of this file under the
32; terms and conditions of either the GPL or the CDDL or both.
33;
34; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35;
36
37
38;*********************************************************************************************************************************
39;* Header Files *
40;*********************************************************************************************************************************
41%include "bs3kit.mac"
42
43
44;*********************************************************************************************************************************
45;* Global Variables *
46;*********************************************************************************************************************************
47BS3_BEGIN_DATA16
48BS3_GLOBAL_DATA g_bs3CpuBasic2_ud2_FlatAddr, 4
49 dd _bs3CpuBasic2_ud2 wrt FLAT
50
51
52
53;
54; CPU mode agnostic test code snippets.
55;
56BS3_BEGIN_TEXT16
57
58BS3_PROC_BEGIN _bs3CpuBasic2_ud2
59.again:
60 ud2
61 jmp .again
62BS3_PROC_END _bs3CpuBasic2_ud2
63
64
65BS3_PROC_BEGIN _bs3CpuBasic2_salc_ud2
66 salc ; #UD in 64-bit mode
67.again:
68 ud2
69 jmp .again
70BS3_PROC_END _bs3CpuBasic2_salc_ud2
71
72BS3_PROC_BEGIN _bs3CpuBasic2_swapgs
73.again:
74 db 00fh, 001h, 0f8h ; swapgs - #UD when not in 64-bit mode.
75 jmp .again
76BS3_PROC_END _bs3CpuBasic2_swapgs
77
78
79BS3_PROC_BEGIN _bs3CpuBasic2_Int80
80 int 80h
81.again: ud2
82 jmp .again
83BS3_PROC_END _bs3CpuBasic2_Int80
84
85
86BS3_PROC_BEGIN _bs3CpuBasic2_Int81
87 int 81h
88.again: ud2
89 jmp .again
90BS3_PROC_END _bs3CpuBasic2_Int81
91
92
93BS3_PROC_BEGIN _bs3CpuBasic2_Int82
94 int 82h
95.again: ud2
96 jmp .again
97BS3_PROC_END _bs3CpuBasic2_Int82
98
99
100BS3_PROC_BEGIN _bs3CpuBasic2_Int83
101 int 83h
102.again: ud2
103 jmp .again
104BS3_PROC_END _bs3CpuBasic2_Int83
105
106
107BS3_PROC_BEGIN _bs3CpuBasic2_iret
108 iret
109BS3_PROC_END _bs3CpuBasic2_iret
110AssertCompile(_bs3CpuBasic2_iret_EndProc - _bs3CpuBasic2_iret == 1)
111
112
113BS3_PROC_BEGIN _bs3CpuBasic2_iret_opsize
114 iretd
115BS3_PROC_END _bs3CpuBasic2_iret_opsize
116AssertCompile(_bs3CpuBasic2_iret_opsize_EndProc - _bs3CpuBasic2_iret_opsize == 2)
117
118
119BS3_PROC_BEGIN _bs3CpuBasic2_iret_rexw
120 BS3_SET_BITS 64
121 iretq
122 BS3_SET_BITS 16
123BS3_PROC_END _bs3CpuBasic2_iret_rexw
124AssertCompile(_bs3CpuBasic2_iret_rexw_EndProc - _bs3CpuBasic2_iret_rexw == 2)
125
126
127;
128; CPU mode agnostic test code snippets.
129;
130BS3_BEGIN_TEXT32
131
132;;
133; @param [xBP + xCB*2] puDst
134; @param [xBP + xCB*3] uNewValue
135BS3_PROC_BEGIN_CMN bs3CpuBasic2_Store_mov, BS3_PBC_NEAR
136 push xBP
137 mov xBP, xSP
138 mov xCX, [xBP + xCB*2]
139 mov xAX, [xBP + xCB*3]
140 mov [xCX], xAX
141 leave
142 ret
143BS3_PROC_END_CMN bs3CpuBasic2_Store_mov
144
145;;
146; @param [xBP + xCB*2] puDst
147; @param [xBP + xCB*3] uNewValue
148BS3_PROC_BEGIN_CMN bs3CpuBasic2_Store_xchg, BS3_PBC_NEAR
149 push xBP
150 mov xBP, xSP
151 mov xCX, [xBP + xCB*2]
152 mov xAX, [xBP + xCB*3]
153 xchg [xCX], xAX
154 leave
155 ret
156BS3_PROC_END_CMN bs3CpuBasic2_Store_xchg
157
158;;
159; @param [xBP + xCB*2] puDst
160; @param [xBP + xCB*3] uNewValue
161; @param [xBP + xCB*4] uOldValue
162BS3_PROC_BEGIN_CMN bs3CpuBasic2_Store_cmpxchg, BS3_PBC_NEAR
163 push xBP
164 mov xBP, xSP
165 mov xCX, [xBP + xCB*2]
166 mov xDX, [xBP + xCB*3]
167 mov xAX, [xBP + xCB*4]
168.again:
169 cmpxchg [xCX], xDX
170 jnz .again
171 leave
172 ret
173BS3_PROC_END_CMN bs3CpuBasic2_Store_cmpxchg
174
175
176;
177; Jump code segment 64KB.
178;
179; There is no ORG directive in OMF mode of course. :-(
180;
181section BS3JMPTEXT16 align=16 CLASS=BS3CLASS16JMPCODE PRIVATE USE16
182 GROUP BS3GROUPJMPTEXT16 BS3JMPTEXT16
183 BS3_SET_BITS 16
184
185; 0000: Start with two int3 filler instructions.
186BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmptext16_start), function, 2
187 int3
188 int3
189
190; 0002: This is the target for forward wrap around jumps, should they succeed.
191BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_target_wrap_forward), function, 2
192 ud2
193 align 8, int3
194
195; 0008
196BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jb_wrap_backward__ud2), function, 2
197 db 0ebh, -012h ; jmp (0x0008 + 2 - 0x12 = 0xFFFFFFF8 (-8))
198 int3
199
200; 000b
201BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jb_opsize_wrap_backward__ud2), function, 3
202 db 066h, 0ebh, -016h ; jmp (0x000b + 3 - 0x16 = 0xFFFFFFF8 (-8))
203 int3
204
205 align 0x80, int3
206; 0080
207BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jv16_wrap_backward__ud2), function, 3
208 db 0e9h ; jmp (0x0080 + 3 - 0x8b = 0xFFFFFFF8 (-8))
209 dw -08bh
210 int3
211
212; 0084
213BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jv16_opsize_wrap_backward__ud2), function, 6
214 db 066h, 0e9h ; jmp (0x0084 + 6 - 0x92 = 0xFFFFFFF8 (-8))
215 dd -092h
216 int3
217
218; 008b
219BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_call_jv16_wrap_backward__ud2), function, 3
220 db 0e8h ; call (0x008b + 3 - 0x96)
221 dw -096h
222 int3
223
224; 008f
225BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_call_jv16_opsize_wrap_backward__ud2), function, 6
226 db 066h, 0e8h ; call (0x008f + 6 - 0x9d = 0xFFFFFFF8 (-8))
227 dd -09dh
228 int3
229
230
231 align 0x100, int3 ; Note! Doesn't work correctly for higher values.
232 times (0xff6b - 0x100) int3
233
234; ff6b
235BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_call_jv16_wrap_forward__ud2), function, 4
236 db 0e8h ; call (0xff6b+3 + 0x94 = 0x10002 (65538))
237 dw 094h
238 int3
239
240; ff6f
241BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_call_jv16_opsize_wrap_forward__ud2), function, 7
242 db 066h, 0e8h ; o32 call (0xff6f+6 + 0x8d = 0x10002 (65538))
243 dd 08dh
244 int3
245
246; ff76
247BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jv16_wrap_forward__ud2), function, 5
248 db 0e9h ; jmp (0xff76+4 + 0x88 = 0x10002 (65538))
249 dw 089h
250 int3
251
252; ff7a
253BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jv16_opsize_wrap_forward__ud2), function, 7
254 db 066h, 0e9h ; o32 jmp (0xff7a+6 + 0x82 = 0x10002 (65538))
255 dd 082h
256 int3
257
258; ff81
259BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jb_wrap_forward__ud2), function, 2
260 db 0ebh, 07fh ; jmp (0xff81+2 + 0x7f = 0x10002 (65538))
261 int3
262
263; ff84
264BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_jb_opsize_wrap_forward__ud2), function, 3
265 db 066h, 0ebh, 07bh ; o32 jmp (0xff84+3 + 0x7b = 0x10002 (65538))
266; ff87
267
268 times (0xfff8 - 0xff87) int3
269
270; fff8: This is the target for backward wrap around jumps, should they succeed.
271BS3_GLOBAL_NAME_EX NAME(bs3CpuBasic2_jmp_target_wrap_backward), function, 2
272 ud2
273 times 6 int3
274; End of segment.
275
276BS3_BEGIN_TEXT16
277
278;
279; Instantiate code templates.
280;
281BS3_INSTANTIATE_COMMON_TEMPLATE "bs3-cpu-basic-2-template.mac"
282BS3_INSTANTIATE_TEMPLATE_WITH_WEIRD_ONES "bs3-cpu-basic-2-template.mac"
283
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