remove some comments introduced by tools.
[mirror_edk2.git] / MdeModulePkg / Universal / DebugSupportDxe / Ia32 / AsmFuncs.S
1 #******************************************************************************
2 #*
3 #* Copyright (c) 2006, Intel Corporation
4 #* All rights reserved. This program and the accompanying materials
5 #* are licensed and made available under the terms and conditions of the BSD License
6 #* which accompanies this distribution. The full text of the license may be found at
7 #* http://opensource.org/licenses/bsd-license.php
8 #*
9 #* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 #* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11 #*
12 #******************************************************************************
13
14 .globl ASM_PFX(OrigVector)
15 .globl ASM_PFX(InterruptEntryStub)
16 .globl ASM_PFX(StubSize)
17 .globl ASM_PFX(CommonIdtEntry)
18 .globl ASM_PFX(FxStorSupport)
19
20 ASM_PFX(AppEsp): .long 0x11111111 # ?
21 ASM_PFX(DebugEsp): .long 0x22222222 # ?
22 ASM_PFX(ExtraPush): .long 0x33333333 # ?
23 ASM_PFX(ExceptData): .long 0x44444444 # ?
24 ASM_PFX(Eflags): .long 0x55555555 # ?
25 ASM_PFX(OrigVector): .long 0x66666666 # ?
26 ASM_PFX(StubSize): .long ASM_PFX(InterruptEntryStubEnd) - ASM_PFX(InterruptEntryStub)
27
28 .globl ASM_PFX(FxStorSupport)
29 ASM_PFX(FxStorSupport):
30 push %ebx
31 mov $0x1,%eax
32 cpuid
33 mov %edx,%eax
34 and $0x1000000,%eax
35 shr $0x18,%eax
36 pop %ebx
37 ret
38
39 .globl ASM_PFX(GetIdtr)
40 ASM_PFX(GetIdtr):
41 push %ebp
42 mov %esp,%ebp
43 add $0xfffffff8,%esp
44 sidtl 0xfffffffa(%ebp)
45 mov 0xfffffffc(%ebp),%eax
46 leave
47 ret
48
49 .globl ASM_PFX(WriteInterruptFlag)
50 ASM_PFX(WriteInterruptFlag):
51 push %ebp
52 mov %esp,%ebp
53 pushf
54 pop %eax
55 and $0x200,%eax
56 shr $0x9,%eax
57 mov 0x8(%ebp),%ecx
58 or %cl,%cl
59 jne ASM_PFX(WriteInterruptFlag+0x17)
60 cli
61 jmp ASM_PFX(WriteInterruptFlag+0x18)
62 sti
63 leave
64 ret
65
66 .globl ASM_PFX(Vect2Desc)
67 ASM_PFX(Vect2Desc):
68 push %ebp
69 mov %esp,%ebp
70 mov 0xc(%ebp),%eax
71 mov 0x8(%ebp),%ecx
72 mov %ax,(%ecx)
73 movw $0x20,0x2(%ecx)
74 movw $0x8e00,0x4(%ecx)
75 shr $0x10,%eax
76 mov %ax,0x6(%ecx)
77 leave
78 ret
79
80 .globl ASM_PFX(InterruptEntryStub)
81 ASM_PFX(InterruptEntryStub):
82 mov %esp,0x0
83 mov $0x0,%esp
84 push $0x0
85 jmp ASM_PFX(CommonIdtEntry)
86 .globl ASM_PFX(InterruptEntryStubEnd)
87 ASM_PFX(InterruptEntryStubEnd):
88
89 .globl ASM_PFX(CommonIdtEntry)
90 ASM_PFX(CommonIdtEntry):
91 pusha
92 pushf
93 pop %eax
94 mov %eax,0x0
95 cmpl $0x8,0x0
96 jne ASM_PFX(CommonIdtEntry+0x20)
97 movl $0x1,0x0
98 jmp ASM_PFX(CommonIdtEntry+0xa8)
99 cmpl $0xa,0x0
100 jne ASM_PFX(CommonIdtEntry+0x35)
101 movl $0x1,0x0
102 jmp ASM_PFX(CommonIdtEntry+0xa8)
103 cmpl $0xb,0x0
104 jne ASM_PFX(CommonIdtEntry+0x4a)
105 movl $0x1,0x0
106 jmp ASM_PFX(CommonIdtEntry+0xa8)
107 cmpl $0xc,0x0
108 jne ASM_PFX(CommonIdtEntry+0x5f)
109 movl $0x1,0x0
110 jmp ASM_PFX(CommonIdtEntry+0xa8)
111 cmpl $0xd,0x0
112 jne ASM_PFX(CommonIdtEntry+0x74)
113 movl $0x1,0x0
114 jmp ASM_PFX(CommonIdtEntry+0xa8)
115 cmpl $0xe,0x0
116 jne ASM_PFX(CommonIdtEntry+0x89)
117 movl $0x1,0x0
118 jmp ASM_PFX(CommonIdtEntry+0xa8)
119 cmpl $0x11,0x0
120 jne ASM_PFX(CommonIdtEntry+0x9e)
121 movl $0x1,0x0
122 jmp ASM_PFX(CommonIdtEntry+0xa8)
123 movl $0x0,0x0
124 cmpl $0x1,0x0
125 jne ASM_PFX(CommonIdtEntry+0xc8)
126 mov 0x0,%eax
127 mov (%eax),%ebx
128 mov %ebx,0x0
129 add $0x4,%eax
130 mov %eax,0x0
131 jmp ASM_PFX(CommonIdtEntry+0xd2)
132 movl $0x0,0x0
133 mov 0xc(%esp),%eax
134 mov %eax,0x0
135 mov 0x0,%eax
136 add $0xc,%eax
137 mov %eax,0xc(%esp)
138 mov %ss,%eax
139 push %eax
140 mov 0x0,%eax
141 movzwl 0x4(%eax),%eax
142 push %eax
143 mov %ds,%eax
144 push %eax
145 mov %es,%eax
146 push %eax
147 mov %fs,%eax
148 push %eax
149 mov %gs,%eax
150 push %eax
151 mov 0x0,%eax
152 pushl (%eax)
153 push $0x0
154 push $0x0
155 sidtl (%esp)
156 push $0x0
157 push $0x0
158 sgdtl (%esp)
159 xor %eax,%eax
160 str %eax
161 push %eax
162 sldt %eax
163 push %eax
164 mov 0x0,%eax
165 pushl 0x8(%eax)
166 mov %cr4,%eax
167 or $0x208,%eax
168 mov %eax,%cr4
169 push %eax
170 mov %cr3,%eax
171 push %eax
172 mov %cr2,%eax
173 push %eax
174 push $0x0
175 mov %cr0,%eax
176 push %eax
177 mov %db7,%eax
178 push %eax
179 xor %eax,%eax
180 mov %eax,%db7
181 mov %db6,%eax
182 push %eax
183 xor %eax,%eax
184 mov %eax,%db6
185 mov %db3,%eax
186 push %eax
187 mov %db2,%eax
188 push %eax
189 mov %db1,%eax
190 push %eax
191 mov %db0,%eax
192 push %eax
193 sub $0x200,%esp
194 mov %esp,%edi
195 fxsave (%edi)
196 mov 0x0,%eax
197 push %eax
198 mov %esp,%eax
199 push %eax
200 mov 0x0,%eax
201 push %eax
202 call ASM_PFX(CommonIdtEntry+0x184)
203 add $0x8,%esp
204 add $0x4,%esp
205 mov %esp,%esi
206 fxrstor (%esi)
207 add $0x200,%esp
208 pop %eax
209 mov %eax,%db0
210 pop %eax
211 mov %eax,%db1
212 pop %eax
213 mov %eax,%db2
214 pop %eax
215 mov %eax,%db3
216 add $0x4,%esp
217 pop %eax
218 mov %eax,%db7
219 pop %eax
220 mov %eax,%cr0
221 add $0x4,%esp
222 pop %eax
223 mov %eax,%cr2
224 pop %eax
225 mov %eax,%cr3
226 pop %eax
227 mov %eax,%cr4
228 mov 0x0,%eax
229 popl 0x8(%eax)
230 add $0x18,%esp
231 popl (%eax)
232 pop %gs
233 pop %fs
234 pop %es
235 pop %ds
236 popl 0x4(%eax)
237 pop %ss
238 mov 0xc(%esp),%ebx
239 mov 0x0,%eax
240 add $0xc,%eax
241 cmp %eax,%ebx
242 je ASM_PFX(CommonIdtEntry+0x202)
243 mov 0x0,%eax
244 mov (%eax),%ecx
245 mov %ecx,(%ebx)
246 mov 0x4(%eax),%ecx
247 mov %ecx,0x4(%ebx)
248 mov 0x8(%eax),%ecx
249 mov %ecx,0x8(%ebx)
250 mov %ebx,%eax
251 mov %eax,0x0
252 mov 0x0,%eax
253 mov %eax,0xc(%esp)
254 cmpl $0x68,0x0
255 jne PhonyIretd+0xd
256 mov 0x0,%eax
257 mov 0x8(%eax),%ebx
258 and $0xfffffcff,%ebx
259 push %ebx
260 push %cs
261 push $0x0
262 iret
263
264 PhonyIretd:
265 popa
266 mov 0x0,%esp
267 jmp *0x0
268 popa
269 mov 0x0,%esp
270 iret