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1 | #------------------------------------------------------------------------------\r |
| 2 | #*\r |
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3 | #* Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
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4 | #* This program and the accompanying materials \r |
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5 | #* are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | #* which accompanies this distribution. The full text of the license may be found at \r |
| 7 | #* http://opensource.org/licenses/bsd-license.php \r |
| 8 | #* \r |
| 9 | #* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | #* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | #* \r |
| 12 | #* efi32.asm\r |
| 13 | #* \r |
| 14 | #* Abstract:\r |
| 15 | #*\r |
| 16 | #------------------------------------------------------------------------------\r |
| 17 | \r |
| 18 | ##############################################################################\r |
| 19 | # Now in 32-bit protected mode.\r |
| 20 | ##############################################################################\r |
| 21 | \r |
| f3eb2131 |
22 | .org 0x21000\r |
| 23 | \r |
| 24 | .global _start\r |
| 25 | _start:\r |
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26 | \r |
| 27 | .equ DEFAULT_HANDLER_SIZE, INT1 - INT0\r |
| 28 | \r |
| 29 | .macro jmpCommonIdtEntry \r |
| 30 | # jmp commonIdtEntry - this must be hand coded to keep the assembler from\r |
| 31 | # using a 8 bit reletive jump when the entries are\r |
| 32 | # within 255 bytes of the common entry. This must\r |
| 33 | # be done to maintain the consistency of the size\r |
| 34 | # of entry points...\r |
| 35 | .byte 0xe9 # jmp 16 bit relative\r |
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36 | .long commonIdtEntry - . - 4 # offset to jump to \r |
| ccec4c39 |
37 | .endm\r |
| 38 | \r |
| 39 | Start: \r |
| 3a4b9eba |
40 | movw %bx, %ax\r |
| ccec4c39 |
41 | movw %ax, %ds\r |
| 42 | movw %ax, %es\r |
| 43 | movw %ax, %fs\r |
| 44 | movw %ax, %gs\r |
| 45 | movw %ax, %ss\r |
| 46 | movl $0x001ffff0, %esp\r |
| 47 | \r |
| 48 | call ClearScreen\r |
| 49 | \r |
| 50 | # Populate IDT with meaningful offsets for exception handlers...\r |
| 51 | sidt Idtr \r |
| 52 | \r |
| 53 | movl Halt, %eax\r |
| 54 | movl %eax, %ebx # use bx to copy 15..0 to descriptors\r |
| 55 | shrl $16, %eax # use ax to copy 31..16 to descriptors \r |
| 56 | movl $0x78, %ecx # 78h IDT entries to initialize with unique entry points (exceptions)\r |
| 57 | movl (Idtr + 2), %esi\r |
| 58 | movl (%esi), %edi\r |
| 59 | \r |
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60 | LOOP_1: # loop through all IDT entries exception handlers and initialize to default handler\r |
| ccec4c39 |
61 | movw %bx, (%edi) # write bits 15..0 of offset\r |
| 62 | movw $0x20, 2(%edi) # SYS_CODE_SEL from GDT\r |
| b29a823d |
63 | movw $(0x0e00 | 0x8000), 4(%edi) # type = 386 interrupt gate, present\r |
| ccec4c39 |
64 | movw %ax, 6(%edi) # write bits 31..16 of offset\r |
| 65 | addl $8, %edi # move up to next descriptor\r |
| 66 | addw DEFAULT_HANDLER_SIZE, %bx # move to next entry point\r |
| 67 | loopl LOOP_1 # loop back through again until all descriptors are initialized\r |
| 68 | \r |
| 69 | ## at this point edi contains the offset of the descriptor for INT 20\r |
| 70 | ## and bx contains the low 16 bits of the offset of the default handler\r |
| 71 | ## so initialize all the rest of the descriptors with these two values...\r |
| 72 | # mov ecx, 101 ; there are 100 descriptors left (INT 20 (14h) - INT 119 (77h)\r |
| 73 | #@@: ; loop through all IDT entries exception handlers and initialize to default handler\r |
| 74 | # mov word ptr [edi], bx ; write bits 15..0 of offset\r |
| 75 | # mov word ptr [edi+2], 20h ; SYS_CODE_SEL from GDT\r |
| 76 | # mov word ptr [edi+4], 0e00h OR 8000h ; type = 386 interrupt gate, present\r |
| 77 | # mov word ptr [edi+6], ax ; write bits 31..16 of offset\r |
| 78 | # add edi, 8 ; move up to next descriptor\r |
| 79 | # loop @b ; loop back through again until all descriptors are initialized\r |
| 80 | \r |
| 81 | \r |
| 82 | ## DUMP location of IDT and several of the descriptors\r |
| 83 | # mov ecx, 8\r |
| 84 | # mov eax, [offset Idtr + 2]\r |
| 85 | # mov eax, [eax]\r |
| 86 | # mov edi, 0b8000h\r |
| 87 | # call PrintDword\r |
| 88 | # mov esi, eax\r |
| 89 | # mov edi, 0b80a0h\r |
| 90 | # jmp OuterLoop\r |
| 91 | \r |
| 92 | ## \r |
| 93 | ## just for fun, let's do a software interrupt to see if we correctly land in the exception handler...\r |
| 94 | # mov eax, 011111111h\r |
| 95 | # mov ebx, 022222222h\r |
| 96 | # mov ecx, 033333333h\r |
| 97 | # mov edx, 044444444h\r |
| 98 | # mov ebp, 055555555h\r |
| 99 | # mov esi, 066666666h\r |
| 100 | # mov edi, 077777777h\r |
| 101 | # push 011111111h\r |
| 102 | # push 022222222h\r |
| 103 | # push 033333333h\r |
| 104 | # int 119\r |
| 105 | \r |
| 106 | \r |
| 107 | movl $0x22000, %esi # esi = 22000\r |
| 108 | movl 0x14(%esi), %eax # eax = [22014]\r |
| 109 | addl %eax, %esi # esi = 22000 + [22014] = Base of EFILDR.C\r |
| 110 | movl 0x3c(%esi), %ebp # ebp = [22000 + [22014] + 3c] = NT Image Header for EFILDR.C\r |
| 111 | addl %esi, %ebp\r |
| 112 | movl 0x34(%ebp), %edi # edi = [[22000 + [22014] + 3c] + 30] = ImageBase\r |
| 113 | movl 0x28(%ebp), %eax # eax = [[22000 + [22014] + 3c] + 24] = EntryPoint\r |
| 114 | addl %edi, %eax # eax = ImageBase + EntryPoint\r |
| 115 | movl %eax, EfiLdrOffset # Modify far jump instruction for correct entry point\r |
| 116 | \r |
| 117 | movw 6(%ebp), %bx # bx = Number of sections\r |
| 118 | xorl %eax, %eax\r |
| 119 | movw 0x14(%ebp), %ax # ax = Optional Header Size\r |
| 120 | addl %eax, %ebp\r |
| 121 | addl $0x18, %ebp # ebp = Start of 1st Section\r |
| 122 | \r |
| 123 | SectionLoop: \r |
| 124 | pushl %esi # Save Base of EFILDR.C\r |
| 125 | pushl %edi # Save ImageBase\r |
| 126 | addl 0x14(%ebp), %esi # esi = Base of EFILDR.C + PointerToRawData\r |
| 127 | addl 0x0c(%ebp), %edi # edi = ImageBase + VirtualAddress\r |
| 128 | movl 0x10(%ebp), %ecx # ecs = SizeOfRawData\r |
| 129 | \r |
| 130 | cld\r |
| 131 | shrl $2, %ecx\r |
| 132 | rep\r |
| 133 | movsl\r |
| 134 | \r |
| 135 | popl %edi # Restore ImageBase\r |
| 136 | popl %esi # Restore Base of EFILDR.C\r |
| 137 | \r |
| 138 | addw $0x28, %bp # ebp = ebp + 028h = Pointer to next section record\r |
| 139 | decw %bx\r |
| 140 | cmpw $0, %bx\r |
| 141 | jne SectionLoop\r |
| 142 | \r |
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143 | movzwl (Idtr), %eax # get size of IDT\r |
| ccec4c39 |
144 | incl %eax\r |
| 3bd0ef80 |
145 | addl (Idtr + 2), %eax # add to base of IDT to get location of memory map... \r |
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146 | pushl %eax # push memory map location on stack for call to EFILDR...\r |
| 147 | \r |
| 148 | pushl %eax # push return address (useless, just for stack balance)\r |
| 149 | .byte 0xb8\r |
| 150 | EfiLdrOffset: \r |
| 151 | .long 0x00401000 # Offset of EFILDR\r |
| 152 | # mov eax, 401000h\r |
| 153 | pushl %eax\r |
| 154 | ret\r |
| 155 | \r |
| 156 | # db "**** DEFAULT IDT ENTRY ***",0\r |
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157 | .p2align 1\r |
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158 | Halt: \r |
| 159 | INT0: \r |
| 160 | pushl $0x0 # push error code place holder on the stack\r |
| 161 | pushl $0x0\r |
| 162 | jmpCommonIdtEntry \r |
| 163 | # db 0e9h ; jmp 16 bit reletive \r |
| 164 | # dd commonIdtEntry - $ - 4 ; offset to jump to\r |
| 165 | \r |
| 166 | INT1: \r |
| 167 | pushl $0x0 # push error code place holder on the stack\r |
| 168 | pushl $0x1\r |
| 169 | jmpCommonIdtEntry \r |
| 170 | \r |
| 171 | INT2: \r |
| 172 | pushl $0x0 # push error code place holder on the stack\r |
| 173 | pushl $0x2\r |
| 174 | jmpCommonIdtEntry \r |
| 175 | \r |
| 176 | INT3: \r |
| 177 | pushl $0x0 # push error code place holder on the stack\r |
| 178 | pushl $0x3\r |
| 179 | jmpCommonIdtEntry \r |
| 180 | \r |
| 181 | INT4: \r |
| 182 | pushl $0x0 # push error code place holder on the stack\r |
| 183 | pushl $0x4\r |
| 184 | jmpCommonIdtEntry \r |
| 185 | \r |
| 186 | INT5: \r |
| 187 | pushl $0x0 # push error code place holder on the stack\r |
| 188 | pushl $0x5\r |
| 189 | jmpCommonIdtEntry \r |
| 190 | \r |
| 191 | INT6: \r |
| 192 | pushl $0x0 # push error code place holder on the stack\r |
| 193 | pushl $0x6\r |
| 194 | jmpCommonIdtEntry \r |
| 195 | \r |
| 196 | INT7: \r |
| 197 | pushl $0x0 # push error code place holder on the stack\r |
| 198 | pushl $0x7\r |
| 199 | jmpCommonIdtEntry \r |
| 200 | \r |
| 201 | INT8: \r |
| 202 | # Double fault causes an error code to be pushed so no phony push necessary\r |
| 203 | nop\r |
| 204 | nop\r |
| 205 | pushl $0x8\r |
| 206 | jmpCommonIdtEntry \r |
| 207 | \r |
| 208 | INT9: \r |
| 209 | pushl $0x0 # push error code place holder on the stack\r |
| 210 | pushl $0x9\r |
| 211 | jmpCommonIdtEntry \r |
| 212 | \r |
| 213 | INT10: \r |
| 214 | # Invalid TSS causes an error code to be pushed so no phony push necessary\r |
| 215 | nop\r |
| 216 | nop\r |
| 217 | pushl $10\r |
| 218 | jmpCommonIdtEntry \r |
| 219 | \r |
| 220 | INT11: \r |
| 221 | # Segment Not Present causes an error code to be pushed so no phony push necessary\r |
| 222 | nop\r |
| 223 | nop\r |
| 224 | pushl $11\r |
| 225 | jmpCommonIdtEntry \r |
| 226 | \r |
| 227 | INT12: \r |
| 228 | # Stack fault causes an error code to be pushed so no phony push necessary\r |
| 229 | nop\r |
| 230 | nop\r |
| 231 | pushl $12\r |
| 232 | jmpCommonIdtEntry \r |
| 233 | \r |
| 234 | INT13: \r |
| 235 | # GP fault causes an error code to be pushed so no phony push necessary\r |
| 236 | nop\r |
| 237 | nop\r |
| 238 | pushl $13\r |
| 239 | jmpCommonIdtEntry \r |
| 240 | \r |
| 241 | INT14: \r |
| 242 | # Page fault causes an error code to be pushed so no phony push necessary\r |
| 243 | nop\r |
| 244 | nop\r |
| 245 | pushl $14\r |
| 246 | jmpCommonIdtEntry \r |
| 247 | \r |
| 248 | INT15: \r |
| 249 | pushl $0x0 # push error code place holder on the stack\r |
| 250 | pushl $15\r |
| 251 | jmpCommonIdtEntry \r |
| 252 | \r |
| 253 | INT16: \r |
| 254 | pushl $0x0 # push error code place holder on the stack\r |
| 255 | pushl $16\r |
| 256 | jmpCommonIdtEntry \r |
| 257 | \r |
| 258 | INT17: \r |
| 259 | # Alignment check causes an error code to be pushed so no phony push necessary\r |
| 260 | nop\r |
| 261 | nop\r |
| 262 | pushl $17\r |
| 263 | jmpCommonIdtEntry \r |
| 264 | \r |
| 265 | INT18: \r |
| 266 | pushl $0x0 # push error code place holder on the stack\r |
| 267 | pushl $18\r |
| 268 | jmpCommonIdtEntry \r |
| 269 | \r |
| 270 | INT19: \r |
| 271 | pushl $0x0 # push error code place holder on the stack\r |
| 272 | pushl $19\r |
| 273 | jmpCommonIdtEntry \r |
| 274 | \r |
| 275 | INTUnknown: \r |
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276 | # The following segment repeats (0x78 - 20) times:\r |
| 277 | # No. 1\r |
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278 | pushl $0x0 # push error code place holder on the stack\r |
| 279 | # push $0xxx # push vector number\r |
| 280 | .byte 0x6a\r |
| 281 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 282 | jmpCommonIdtEntry \r |
| 208628f8 |
283 | # No. 2\r |
| 284 | pushl $0x0 # push error code place holder on the stack\r |
| 285 | # push $0xxx # push vector number\r |
| 286 | .byte 0x6a\r |
| 287 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 288 | jmpCommonIdtEntry \r |
| 289 | # No. 3\r |
| 290 | pushl $0x0 # push error code place holder on the stack\r |
| 291 | # push $0xxx # push vector number\r |
| 292 | .byte 0x6a\r |
| 293 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 294 | jmpCommonIdtEntry \r |
| 295 | # No. 4\r |
| 296 | pushl $0x0 # push error code place holder on the stack\r |
| 297 | # push $0xxx # push vector number\r |
| 298 | .byte 0x6a\r |
| 299 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 300 | jmpCommonIdtEntry \r |
| 301 | # No. 5\r |
| 302 | pushl $0x0 # push error code place holder on the stack\r |
| 303 | # push $0xxx # push vector number\r |
| 304 | .byte 0x6a\r |
| 305 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 306 | jmpCommonIdtEntry \r |
| 307 | # No. 6\r |
| 308 | pushl $0x0 # push error code place holder on the stack\r |
| 309 | # push $0xxx # push vector number\r |
| 310 | .byte 0x6a\r |
| 311 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 312 | jmpCommonIdtEntry \r |
| 313 | # No. 7\r |
| 314 | pushl $0x0 # push error code place holder on the stack\r |
| 315 | # push $0xxx # push vector number\r |
| 316 | .byte 0x6a\r |
| 317 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 318 | jmpCommonIdtEntry \r |
| 319 | # No. 8\r |
| 320 | pushl $0x0 # push error code place holder on the stack\r |
| 321 | # push $0xxx # push vector number\r |
| 322 | .byte 0x6a\r |
| 323 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 324 | jmpCommonIdtEntry \r |
| 325 | # No. 9\r |
| 326 | pushl $0x0 # push error code place holder on the stack\r |
| 327 | # push $0xxx # push vector number\r |
| 328 | .byte 0x6a\r |
| 329 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 330 | jmpCommonIdtEntry \r |
| 331 | # No. 10\r |
| 332 | pushl $0x0 # push error code place holder on the stack\r |
| 333 | # push $0xxx # push vector number\r |
| 334 | .byte 0x6a\r |
| 335 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 336 | jmpCommonIdtEntry \r |
| 337 | # No. 11\r |
| 338 | pushl $0x0 # push error code place holder on the stack\r |
| 339 | # push $0xxx # push vector number\r |
| 340 | .byte 0x6a\r |
| 341 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 342 | jmpCommonIdtEntry \r |
| 343 | # No. 12\r |
| 344 | pushl $0x0 # push error code place holder on the stack\r |
| 345 | # push $0xxx # push vector number\r |
| 346 | .byte 0x6a\r |
| 347 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 348 | jmpCommonIdtEntry \r |
| 349 | # No. 13\r |
| 350 | pushl $0x0 # push error code place holder on the stack\r |
| 351 | # push $0xxx # push vector number\r |
| 352 | .byte 0x6a\r |
| 353 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 354 | jmpCommonIdtEntry \r |
| 355 | # No. 14\r |
| 356 | pushl $0x0 # push error code place holder on the stack\r |
| 357 | # push $0xxx # push vector number\r |
| 358 | .byte 0x6a\r |
| 359 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 360 | jmpCommonIdtEntry \r |
| 361 | # No. 15\r |
| 362 | pushl $0x0 # push error code place holder on the stack\r |
| 363 | # push $0xxx # push vector number\r |
| 364 | .byte 0x6a\r |
| 365 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 366 | jmpCommonIdtEntry \r |
| 367 | # No. 16\r |
| 368 | pushl $0x0 # push error code place holder on the stack\r |
| 369 | # push $0xxx # push vector number\r |
| 370 | .byte 0x6a\r |
| 371 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 372 | jmpCommonIdtEntry \r |
| 373 | # No. 17\r |
| 374 | pushl $0x0 # push error code place holder on the stack\r |
| 375 | # push $0xxx # push vector number\r |
| 376 | .byte 0x6a\r |
| 377 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 378 | jmpCommonIdtEntry \r |
| 379 | # No. 18\r |
| 380 | pushl $0x0 # push error code place holder on the stack\r |
| 381 | # push $0xxx # push vector number\r |
| 382 | .byte 0x6a\r |
| 383 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 384 | jmpCommonIdtEntry \r |
| 385 | # No. 19\r |
| 386 | pushl $0x0 # push error code place holder on the stack\r |
| 387 | # push $0xxx # push vector number\r |
| 388 | .byte 0x6a\r |
| 389 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 390 | jmpCommonIdtEntry \r |
| 391 | # No. 20\r |
| 392 | pushl $0x0 # push error code place holder on the stack\r |
| 393 | # push $0xxx # push vector number\r |
| 394 | .byte 0x6a\r |
| 395 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 396 | jmpCommonIdtEntry \r |
| 397 | # No. 21\r |
| 398 | pushl $0x0 # push error code place holder on the stack\r |
| 399 | # push $0xxx # push vector number\r |
| 400 | .byte 0x6a\r |
| 401 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 402 | jmpCommonIdtEntry \r |
| 403 | # No. 22\r |
| 404 | pushl $0x0 # push error code place holder on the stack\r |
| 405 | # push $0xxx # push vector number\r |
| 406 | .byte 0x6a\r |
| 407 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 408 | jmpCommonIdtEntry \r |
| 409 | # No. 23\r |
| 410 | pushl $0x0 # push error code place holder on the stack\r |
| 411 | # push $0xxx # push vector number\r |
| 412 | .byte 0x6a\r |
| 413 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 414 | jmpCommonIdtEntry \r |
| 415 | # No. 24\r |
| 416 | pushl $0x0 # push error code place holder on the stack\r |
| 417 | # push $0xxx # push vector number\r |
| 418 | .byte 0x6a\r |
| 419 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 420 | jmpCommonIdtEntry \r |
| 421 | # No. 25\r |
| 422 | pushl $0x0 # push error code place holder on the stack\r |
| 423 | # push $0xxx # push vector number\r |
| 424 | .byte 0x6a\r |
| 425 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 426 | jmpCommonIdtEntry \r |
| 427 | # No. 26\r |
| 428 | pushl $0x0 # push error code place holder on the stack\r |
| 429 | # push $0xxx # push vector number\r |
| 430 | .byte 0x6a\r |
| 431 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 432 | jmpCommonIdtEntry \r |
| 433 | # No. 27\r |
| 434 | pushl $0x0 # push error code place holder on the stack\r |
| 435 | # push $0xxx # push vector number\r |
| 436 | .byte 0x6a\r |
| 437 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 438 | jmpCommonIdtEntry \r |
| 439 | # No. 28\r |
| 440 | pushl $0x0 # push error code place holder on the stack\r |
| 441 | # push $0xxx # push vector number\r |
| 442 | .byte 0x6a\r |
| 443 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 444 | jmpCommonIdtEntry \r |
| 445 | # No. 29\r |
| 446 | pushl $0x0 # push error code place holder on the stack\r |
| 447 | # push $0xxx # push vector number\r |
| 448 | .byte 0x6a\r |
| 449 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 450 | jmpCommonIdtEntry \r |
| 451 | # No. 30\r |
| 452 | pushl $0x0 # push error code place holder on the stack\r |
| 453 | # push $0xxx # push vector number\r |
| 454 | .byte 0x6a\r |
| 455 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 456 | jmpCommonIdtEntry \r |
| 457 | # No. 31\r |
| 458 | pushl $0x0 # push error code place holder on the stack\r |
| 459 | # push $0xxx # push vector number\r |
| 460 | .byte 0x6a\r |
| 461 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 462 | jmpCommonIdtEntry \r |
| 463 | # No. 32\r |
| 464 | pushl $0x0 # push error code place holder on the stack\r |
| 465 | # push $0xxx # push vector number\r |
| 466 | .byte 0x6a\r |
| 467 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 468 | jmpCommonIdtEntry \r |
| 469 | # No. 33\r |
| 470 | pushl $0x0 # push error code place holder on the stack\r |
| 471 | # push $0xxx # push vector number\r |
| 472 | .byte 0x6a\r |
| 473 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 474 | jmpCommonIdtEntry \r |
| 475 | # No. 34\r |
| 476 | pushl $0x0 # push error code place holder on the stack\r |
| 477 | # push $0xxx # push vector number\r |
| 478 | .byte 0x6a\r |
| 479 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 480 | jmpCommonIdtEntry \r |
| 481 | # No. 35\r |
| 482 | pushl $0x0 # push error code place holder on the stack\r |
| 483 | # push $0xxx # push vector number\r |
| 484 | .byte 0x6a\r |
| 485 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 486 | jmpCommonIdtEntry \r |
| 487 | # No. 36\r |
| 488 | pushl $0x0 # push error code place holder on the stack\r |
| 489 | # push $0xxx # push vector number\r |
| 490 | .byte 0x6a\r |
| 491 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 492 | jmpCommonIdtEntry \r |
| 493 | # No. 37\r |
| 494 | pushl $0x0 # push error code place holder on the stack\r |
| 495 | # push $0xxx # push vector number\r |
| 496 | .byte 0x6a\r |
| 497 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 498 | jmpCommonIdtEntry \r |
| 499 | # No. 38\r |
| 500 | pushl $0x0 # push error code place holder on the stack\r |
| 501 | # push $0xxx # push vector number\r |
| 502 | .byte 0x6a\r |
| 503 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 504 | jmpCommonIdtEntry \r |
| 505 | # No. 39\r |
| 506 | pushl $0x0 # push error code place holder on the stack\r |
| 507 | # push $0xxx # push vector number\r |
| 508 | .byte 0x6a\r |
| 509 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 510 | jmpCommonIdtEntry \r |
| 511 | # No. 40\r |
| 512 | pushl $0x0 # push error code place holder on the stack\r |
| 513 | # push $0xxx # push vector number\r |
| 514 | .byte 0x6a\r |
| 515 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 516 | jmpCommonIdtEntry \r |
| 517 | # No. 41\r |
| 518 | pushl $0x0 # push error code place holder on the stack\r |
| 519 | # push $0xxx # push vector number\r |
| 520 | .byte 0x6a\r |
| 521 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 522 | jmpCommonIdtEntry \r |
| 523 | # No. 42\r |
| 524 | pushl $0x0 # push error code place holder on the stack\r |
| 525 | # push $0xxx # push vector number\r |
| 526 | .byte 0x6a\r |
| 527 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 528 | jmpCommonIdtEntry \r |
| 529 | # No. 43\r |
| 530 | pushl $0x0 # push error code place holder on the stack\r |
| 531 | # push $0xxx # push vector number\r |
| 532 | .byte 0x6a\r |
| 533 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 534 | jmpCommonIdtEntry \r |
| 535 | # No. 44\r |
| 536 | pushl $0x0 # push error code place holder on the stack\r |
| 537 | # push $0xxx # push vector number\r |
| 538 | .byte 0x6a\r |
| 539 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 540 | jmpCommonIdtEntry \r |
| 541 | # No. 45\r |
| 542 | pushl $0x0 # push error code place holder on the stack\r |
| 543 | # push $0xxx # push vector number\r |
| 544 | .byte 0x6a\r |
| 545 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 546 | jmpCommonIdtEntry \r |
| 547 | # No. 46\r |
| 548 | pushl $0x0 # push error code place holder on the stack\r |
| 549 | # push $0xxx # push vector number\r |
| 550 | .byte 0x6a\r |
| 551 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 552 | jmpCommonIdtEntry \r |
| 553 | # No. 47\r |
| 554 | pushl $0x0 # push error code place holder on the stack\r |
| 555 | # push $0xxx # push vector number\r |
| 556 | .byte 0x6a\r |
| 557 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 558 | jmpCommonIdtEntry \r |
| 559 | # No. 48\r |
| 560 | pushl $0x0 # push error code place holder on the stack\r |
| 561 | # push $0xxx # push vector number\r |
| 562 | .byte 0x6a\r |
| 563 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 564 | jmpCommonIdtEntry \r |
| 565 | # No. 49\r |
| 566 | pushl $0x0 # push error code place holder on the stack\r |
| 567 | # push $0xxx # push vector number\r |
| 568 | .byte 0x6a\r |
| 569 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 570 | jmpCommonIdtEntry \r |
| 571 | # No. 50\r |
| 572 | pushl $0x0 # push error code place holder on the stack\r |
| 573 | # push $0xxx # push vector number\r |
| 574 | .byte 0x6a\r |
| 575 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 576 | jmpCommonIdtEntry \r |
| 577 | # No. 51\r |
| 578 | pushl $0x0 # push error code place holder on the stack\r |
| 579 | # push $0xxx # push vector number\r |
| 580 | .byte 0x6a\r |
| 581 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 582 | jmpCommonIdtEntry \r |
| 583 | # No. 52\r |
| 584 | pushl $0x0 # push error code place holder on the stack\r |
| 585 | # push $0xxx # push vector number\r |
| 586 | .byte 0x6a\r |
| 587 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 588 | jmpCommonIdtEntry \r |
| 589 | # No. 53\r |
| 590 | pushl $0x0 # push error code place holder on the stack\r |
| 591 | # push $0xxx # push vector number\r |
| 592 | .byte 0x6a\r |
| 593 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 594 | jmpCommonIdtEntry \r |
| 595 | # No. 54\r |
| 596 | pushl $0x0 # push error code place holder on the stack\r |
| 597 | # push $0xxx # push vector number\r |
| 598 | .byte 0x6a\r |
| 599 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 600 | jmpCommonIdtEntry \r |
| 601 | # No. 55\r |
| 602 | pushl $0x0 # push error code place holder on the stack\r |
| 603 | # push $0xxx # push vector number\r |
| 604 | .byte 0x6a\r |
| 605 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 606 | jmpCommonIdtEntry \r |
| 607 | # No. 56\r |
| 608 | pushl $0x0 # push error code place holder on the stack\r |
| 609 | # push $0xxx # push vector number\r |
| 610 | .byte 0x6a\r |
| 611 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 612 | jmpCommonIdtEntry \r |
| 613 | # No. 57\r |
| 614 | pushl $0x0 # push error code place holder on the stack\r |
| 615 | # push $0xxx # push vector number\r |
| 616 | .byte 0x6a\r |
| 617 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 618 | jmpCommonIdtEntry \r |
| 619 | # No. 58\r |
| 620 | pushl $0x0 # push error code place holder on the stack\r |
| 621 | # push $0xxx # push vector number\r |
| 622 | .byte 0x6a\r |
| 623 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 624 | jmpCommonIdtEntry \r |
| 625 | # No. 59\r |
| 626 | pushl $0x0 # push error code place holder on the stack\r |
| 627 | # push $0xxx # push vector number\r |
| 628 | .byte 0x6a\r |
| 629 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 630 | jmpCommonIdtEntry \r |
| 631 | # No. 60\r |
| 632 | pushl $0x0 # push error code place holder on the stack\r |
| 633 | # push $0xxx # push vector number\r |
| 634 | .byte 0x6a\r |
| 635 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 636 | jmpCommonIdtEntry \r |
| 637 | # No. 61\r |
| 638 | pushl $0x0 # push error code place holder on the stack\r |
| 639 | # push $0xxx # push vector number\r |
| 640 | .byte 0x6a\r |
| 641 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 642 | jmpCommonIdtEntry \r |
| 643 | # No. 62\r |
| 644 | pushl $0x0 # push error code place holder on the stack\r |
| 645 | # push $0xxx # push vector number\r |
| 646 | .byte 0x6a\r |
| 647 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 648 | jmpCommonIdtEntry \r |
| 649 | # No. 63\r |
| 650 | pushl $0x0 # push error code place holder on the stack\r |
| 651 | # push $0xxx # push vector number\r |
| 652 | .byte 0x6a\r |
| 653 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 654 | jmpCommonIdtEntry \r |
| 655 | # No. 64\r |
| 656 | pushl $0x0 # push error code place holder on the stack\r |
| 657 | # push $0xxx # push vector number\r |
| 658 | .byte 0x6a\r |
| 659 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 660 | jmpCommonIdtEntry \r |
| 661 | # No. 65\r |
| 662 | pushl $0x0 # push error code place holder on the stack\r |
| 663 | # push $0xxx # push vector number\r |
| 664 | .byte 0x6a\r |
| 665 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 666 | jmpCommonIdtEntry \r |
| 667 | # No. 66\r |
| 668 | pushl $0x0 # push error code place holder on the stack\r |
| 669 | # push $0xxx # push vector number\r |
| 670 | .byte 0x6a\r |
| 671 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 672 | jmpCommonIdtEntry \r |
| 673 | # No. 67\r |
| 674 | pushl $0x0 # push error code place holder on the stack\r |
| 675 | # push $0xxx # push vector number\r |
| 676 | .byte 0x6a\r |
| 677 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 678 | jmpCommonIdtEntry \r |
| 679 | # No. 68\r |
| 680 | pushl $0x0 # push error code place holder on the stack\r |
| 681 | # push $0xxx # push vector number\r |
| 682 | .byte 0x6a\r |
| 683 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 684 | jmpCommonIdtEntry \r |
| 685 | # No. 69\r |
| 686 | pushl $0x0 # push error code place holder on the stack\r |
| 687 | # push $0xxx # push vector number\r |
| 688 | .byte 0x6a\r |
| 689 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 690 | jmpCommonIdtEntry \r |
| 691 | # No. 70\r |
| 692 | pushl $0x0 # push error code place holder on the stack\r |
| 693 | # push $0xxx # push vector number\r |
| 694 | .byte 0x6a\r |
| 695 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 696 | jmpCommonIdtEntry \r |
| 697 | # No. 71\r |
| 698 | pushl $0x0 # push error code place holder on the stack\r |
| 699 | # push $0xxx # push vector number\r |
| 700 | .byte 0x6a\r |
| 701 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 702 | jmpCommonIdtEntry \r |
| 703 | # No. 72\r |
| 704 | pushl $0x0 # push error code place holder on the stack\r |
| 705 | # push $0xxx # push vector number\r |
| 706 | .byte 0x6a\r |
| 707 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 708 | jmpCommonIdtEntry \r |
| 709 | # No. 73\r |
| 710 | pushl $0x0 # push error code place holder on the stack\r |
| 711 | # push $0xxx # push vector number\r |
| 712 | .byte 0x6a\r |
| 713 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 714 | jmpCommonIdtEntry \r |
| 715 | # No. 74\r |
| 716 | pushl $0x0 # push error code place holder on the stack\r |
| 717 | # push $0xxx # push vector number\r |
| 718 | .byte 0x6a\r |
| 719 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 720 | jmpCommonIdtEntry \r |
| 721 | # No. 75\r |
| 722 | pushl $0x0 # push error code place holder on the stack\r |
| 723 | # push $0xxx # push vector number\r |
| 724 | .byte 0x6a\r |
| 725 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 726 | jmpCommonIdtEntry \r |
| 727 | # No. 76\r |
| 728 | pushl $0x0 # push error code place holder on the stack\r |
| 729 | # push $0xxx # push vector number\r |
| 730 | .byte 0x6a\r |
| 731 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 732 | jmpCommonIdtEntry \r |
| 733 | # No. 77\r |
| 734 | pushl $0x0 # push error code place holder on the stack\r |
| 735 | # push $0xxx # push vector number\r |
| 736 | .byte 0x6a\r |
| 737 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 738 | jmpCommonIdtEntry \r |
| 739 | # No. 78\r |
| 740 | pushl $0x0 # push error code place holder on the stack\r |
| 741 | # push $0xxx # push vector number\r |
| 742 | .byte 0x6a\r |
| 743 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 744 | jmpCommonIdtEntry \r |
| 745 | # No. 79\r |
| 746 | pushl $0x0 # push error code place holder on the stack\r |
| 747 | # push $0xxx # push vector number\r |
| 748 | .byte 0x6a\r |
| 749 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 750 | jmpCommonIdtEntry \r |
| 751 | # No. 80\r |
| 752 | pushl $0x0 # push error code place holder on the stack\r |
| 753 | # push $0xxx # push vector number\r |
| 754 | .byte 0x6a\r |
| 755 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 756 | jmpCommonIdtEntry \r |
| 757 | # No. 81\r |
| 758 | pushl $0x0 # push error code place holder on the stack\r |
| 759 | # push $0xxx # push vector number\r |
| 760 | .byte 0x6a\r |
| 761 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 762 | jmpCommonIdtEntry \r |
| 763 | # No. 82\r |
| 764 | pushl $0x0 # push error code place holder on the stack\r |
| 765 | # push $0xxx # push vector number\r |
| 766 | .byte 0x6a\r |
| 767 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 768 | jmpCommonIdtEntry \r |
| 769 | # No. 83\r |
| 770 | pushl $0x0 # push error code place holder on the stack\r |
| 771 | # push $0xxx # push vector number\r |
| 772 | .byte 0x6a\r |
| 773 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 774 | jmpCommonIdtEntry \r |
| 775 | # No. 84\r |
| 776 | pushl $0x0 # push error code place holder on the stack\r |
| 777 | # push $0xxx # push vector number\r |
| 778 | .byte 0x6a\r |
| 779 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 780 | jmpCommonIdtEntry \r |
| 781 | # No. 85\r |
| 782 | pushl $0x0 # push error code place holder on the stack\r |
| 783 | # push $0xxx # push vector number\r |
| 784 | .byte 0x6a\r |
| 785 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 786 | jmpCommonIdtEntry \r |
| 787 | # No. 86\r |
| 788 | pushl $0x0 # push error code place holder on the stack\r |
| 789 | # push $0xxx # push vector number\r |
| 790 | .byte 0x6a\r |
| 791 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 792 | jmpCommonIdtEntry \r |
| 793 | # No. 87\r |
| 794 | pushl $0x0 # push error code place holder on the stack\r |
| 795 | # push $0xxx # push vector number\r |
| 796 | .byte 0x6a\r |
| 797 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 798 | jmpCommonIdtEntry \r |
| 799 | # No. 88\r |
| 800 | pushl $0x0 # push error code place holder on the stack\r |
| 801 | # push $0xxx # push vector number\r |
| 802 | .byte 0x6a\r |
| 803 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 804 | jmpCommonIdtEntry \r |
| 805 | # No. 89\r |
| 806 | pushl $0x0 # push error code place holder on the stack\r |
| 807 | # push $0xxx # push vector number\r |
| 808 | .byte 0x6a\r |
| 809 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 810 | jmpCommonIdtEntry \r |
| 811 | # No. 90\r |
| 812 | pushl $0x0 # push error code place holder on the stack\r |
| 813 | # push $0xxx # push vector number\r |
| 814 | .byte 0x6a\r |
| 815 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 816 | jmpCommonIdtEntry \r |
| 817 | # No. 91\r |
| 818 | pushl $0x0 # push error code place holder on the stack\r |
| 819 | # push $0xxx # push vector number\r |
| 820 | .byte 0x6a\r |
| 821 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 822 | jmpCommonIdtEntry \r |
| 823 | # No. 92\r |
| 824 | pushl $0x0 # push error code place holder on the stack\r |
| 825 | # push $0xxx # push vector number\r |
| 826 | .byte 0x6a\r |
| 827 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 828 | jmpCommonIdtEntry \r |
| 829 | # No. 93\r |
| 830 | pushl $0x0 # push error code place holder on the stack\r |
| 831 | # push $0xxx # push vector number\r |
| 832 | .byte 0x6a\r |
| 833 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 834 | jmpCommonIdtEntry \r |
| 835 | # No. 94\r |
| 836 | pushl $0x0 # push error code place holder on the stack\r |
| 837 | # push $0xxx # push vector number\r |
| 838 | .byte 0x6a\r |
| 839 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 840 | jmpCommonIdtEntry \r |
| 841 | # No. 95\r |
| 842 | pushl $0x0 # push error code place holder on the stack\r |
| 843 | # push $0xxx # push vector number\r |
| 844 | .byte 0x6a\r |
| 845 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 846 | jmpCommonIdtEntry \r |
| 847 | # No. 96\r |
| 848 | pushl $0x0 # push error code place holder on the stack\r |
| 849 | # push $0xxx # push vector number\r |
| 850 | .byte 0x6a\r |
| 851 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 852 | jmpCommonIdtEntry \r |
| 853 | # No. 97\r |
| 854 | pushl $0x0 # push error code place holder on the stack\r |
| 855 | # push $0xxx # push vector number\r |
| 856 | .byte 0x6a\r |
| 857 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 858 | jmpCommonIdtEntry \r |
| 859 | # No. 98\r |
| 860 | pushl $0x0 # push error code place holder on the stack\r |
| 861 | # push $0xxx # push vector number\r |
| 862 | .byte 0x6a\r |
| 863 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 864 | jmpCommonIdtEntry \r |
| 865 | # No. 99\r |
| 866 | pushl $0x0 # push error code place holder on the stack\r |
| 867 | # push $0xxx # push vector number\r |
| 868 | .byte 0x6a\r |
| 869 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 870 | jmpCommonIdtEntry \r |
| 871 | # No. 100\r |
| 872 | pushl $0x0 # push error code place holder on the stack\r |
| 873 | # push $0xxx # push vector number\r |
| 874 | .byte 0x6a\r |
| 875 | .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number\r |
| 876 | jmpCommonIdtEntry \r |
| 877 | \r |
| ccec4c39 |
878 | \r |
| 879 | commonIdtEntry: \r |
| 880 | pushal\r |
| 881 | movl %esp, %ebp\r |
| 882 | ##\r |
| 883 | ## At this point the stack looks like this:\r |
| 884 | ##\r |
| 885 | ## eflags\r |
| 886 | ## Calling CS\r |
| 887 | ## Calling EIP\r |
| 888 | ## Error code or 0\r |
| 889 | ## Int num or 0ffh for unknown int num\r |
| 890 | ## eax\r |
| 891 | ## ecx\r |
| 892 | ## edx\r |
| 893 | ## ebx\r |
| 894 | ## esp\r |
| 895 | ## ebp\r |
| 896 | ## esi\r |
| 897 | ## edi <------- ESP, EBP\r |
| 898 | ## \r |
| 899 | \r |
| 900 | call ClearScreen\r |
| 901 | movl String1, %esi\r |
| 902 | call PrintString\r |
| 903 | movl 32(%ebp), %eax ## move Int number into EAX \r |
| 904 | cmpl $19, %eax\r |
| 905 | ja PrintDefaultString\r |
| 906 | PrintExceptionString: \r |
| 907 | shll $2, %eax ## multiply by 4 to get offset from StringTable to actual string address\r |
| 908 | addl StringTable, %eax\r |
| 909 | movl (%eax), %esi\r |
| 910 | jmp PrintTheString\r |
| 911 | PrintDefaultString: \r |
| 912 | movl IntUnknownString, %esi\r |
| 913 | # patch Int number\r |
| 914 | movl %eax, %edx\r |
| 915 | call A2C\r |
| 916 | movb %al, 1(%esi)\r |
| 917 | movl %edx, %eax\r |
| 918 | shrl $4, %eax\r |
| 919 | call A2C\r |
| 920 | movb %al, (%esi)\r |
| 921 | PrintTheString: \r |
| 922 | call PrintString\r |
| 923 | movl String2, %esi\r |
| 924 | call PrintString\r |
| 925 | movl 44(%ebp), %eax # CS\r |
| 926 | call PrintDword\r |
| 927 | movb ':', %al\r |
| 928 | movb %al, (%edi)\r |
| 929 | addl $2, %edi\r |
| 930 | movl 40(%ebp), %eax # EIP\r |
| 931 | call PrintDword\r |
| 932 | movl String3, %esi\r |
| 933 | call PrintString\r |
| 934 | \r |
| 935 | movl $0xb8140, %edi\r |
| 936 | \r |
| 937 | movl StringEax, %esi # eax\r |
| 938 | call PrintString\r |
| 939 | movl 28(%ebp), %eax\r |
| 940 | call PrintDword\r |
| 941 | \r |
| 942 | movl StringEbx, %esi # ebx\r |
| 943 | call PrintString\r |
| 944 | movl 16(%ebp), %eax\r |
| 945 | call PrintDword\r |
| 946 | \r |
| 947 | movl StringEcx, %esi # ecx\r |
| 948 | call PrintString\r |
| 949 | movl 24(%ebp), %eax\r |
| 950 | call PrintDword\r |
| 951 | \r |
| 952 | movl StringEdx, %esi # edx\r |
| 953 | call PrintString\r |
| 954 | movl 20(%ebp), %eax\r |
| 955 | call PrintDword\r |
| 956 | \r |
| 957 | movl StringEcode, %esi # error code\r |
| 958 | call PrintString\r |
| 959 | movl 36(%ebp), %eax\r |
| 960 | call PrintDword\r |
| 961 | \r |
| 962 | movl $0xb81e0, %edi\r |
| 963 | \r |
| 964 | movl StringEsp, %esi # esp\r |
| 965 | call PrintString\r |
| 966 | movl 12(%ebp), %eax\r |
| 967 | call PrintDword\r |
| 968 | \r |
| 969 | movl StringEbp, %esi # ebp\r |
| 970 | call PrintString\r |
| 971 | movl 8(%ebp), %eax\r |
| 972 | call PrintDword\r |
| 973 | \r |
| 974 | movl StringEsi, %esi # esi\r |
| 975 | call PrintString\r |
| 976 | movl 4(%ebp), %eax\r |
| 977 | call PrintDword\r |
| 978 | \r |
| 979 | movl StringEdi, %esi # edi\r |
| 980 | call PrintString\r |
| 981 | movl (%ebp), %eax\r |
| 982 | call PrintDword\r |
| 983 | \r |
| 984 | movl StringEflags, %esi # eflags\r |
| 985 | call PrintString\r |
| 986 | movl 48(%ebp), %eax\r |
| 987 | call PrintDword\r |
| 988 | \r |
| 989 | movl $0xb8320, %edi\r |
| 990 | \r |
| 991 | movl %ebp, %esi\r |
| 992 | addl $52, %esi\r |
| 993 | movl $8, %ecx\r |
| 994 | \r |
| 995 | \r |
| 996 | OuterLoop: \r |
| 997 | pushl %ecx\r |
| 998 | movl $8, %ecx\r |
| 999 | movl %edi, %edx\r |
| 1000 | \r |
| 1001 | InnerLoop: \r |
| 1002 | movl (%esi), %eax\r |
| 1003 | call PrintDword\r |
| 1004 | addl $4, %esi\r |
| 1005 | movb ' ', %al \r |
| 1006 | movb %al, (%edi)\r |
| 1007 | addl $2, %edi\r |
| 1008 | loop InnerLoop\r |
| 1009 | \r |
| 1010 | popl %ecx\r |
| 1011 | addl $0xa0, %edx\r |
| 1012 | movl %edx, %edi\r |
| 1013 | loop OuterLoop\r |
| 1014 | \r |
| 1015 | \r |
| 1016 | movl $0xb8960, %edi\r |
| 1017 | \r |
| 1018 | movl 40(%ebp), %eax # EIP\r |
| 1019 | subl $32*4, %eax\r |
| 1020 | movl %eax, %esi # esi = eip - 32 DWORD linear (total 64 DWORD)\r |
| 1021 | \r |
| 1022 | movl $8, %ecx\r |
| 1023 | \r |
| 1024 | OuterLoop1: \r |
| 1025 | pushl %ecx\r |
| 1026 | movl $8, %ecx\r |
| 1027 | movl %edi, %edx\r |
| 1028 | \r |
| 1029 | InnerLoop1: \r |
| 1030 | movl (%esi), %eax\r |
| 1031 | call PrintDword\r |
| 1032 | addl $4, %esi\r |
| 1033 | movb ' ', %al \r |
| 1034 | movb %al, (%edi)\r |
| 1035 | addl $2, %edi\r |
| 1036 | loop InnerLoop1\r |
| 1037 | \r |
| 1038 | popl %ecx\r |
| 1039 | addl $0xa0, %edx\r |
| 1040 | movl %edx, %edi\r |
| 1041 | loop OuterLoop1\r |
| 1042 | \r |
| 1043 | \r |
| 1044 | \r |
| 1045 | # wbinvd ; this intruction does not support in early than 486 arch\r |
| 1046 | LN_C1: \r |
| 1047 | jmp LN_C1\r |
| 1048 | #\r |
| 1049 | # return\r |
| 1050 | #\r |
| 1051 | movl %ebp, %esp\r |
| 1052 | popal\r |
| 1053 | addl $8, %esp # error code and INT number\r |
| 1054 | \r |
| 1055 | iretl\r |
| 1056 | \r |
| 1057 | \r |
| 1058 | PrintString: \r |
| 1059 | pushl %eax\r |
| 1060 | LN_C2: \r |
| 1061 | movb (%esi), %al\r |
| 1062 | cmpb $0, %al\r |
| 1063 | je LN_C3\r |
| 1064 | movb %al, (%edi)\r |
| 1065 | incl %esi\r |
| 1066 | addl $2, %edi\r |
| 1067 | jmp LN_C2\r |
| 1068 | LN_C3: \r |
| 1069 | popl %eax\r |
| 1070 | ret\r |
| 1071 | \r |
| 1072 | ## EAX contains dword to print\r |
| 1073 | ## EDI contains memory location (screen location) to print it to\r |
| 1074 | PrintDword: \r |
| 1075 | pushl %ecx\r |
| 1076 | pushl %ebx\r |
| 1077 | pushl %eax\r |
| 1078 | \r |
| 1079 | movl $8, %ecx\r |
| 1080 | looptop: \r |
| 1081 | roll $4, %eax\r |
| 1082 | movb %al, %bl\r |
| 1083 | andb $0xf, %bl\r |
| 1084 | addb '0', %bl\r |
| 1085 | cmpb '9', %bl\r |
| 1086 | jle LN_C4\r |
| 1087 | addb $7, %bl\r |
| 1088 | LN_C4: \r |
| 1089 | movb %bl, (%edi)\r |
| 1090 | addl $2, %edi\r |
| 1091 | loop looptop\r |
| 1092 | #wbinvd\r |
| 1093 | \r |
| 1094 | popl %eax\r |
| 1095 | popl %ebx\r |
| 1096 | popl %ecx\r |
| 1097 | ret\r |
| 1098 | \r |
| 1099 | ClearScreen: \r |
| 1100 | pushl %eax\r |
| 1101 | pushl %ecx\r |
| 1102 | \r |
| d0b0659f |
1103 | movb $0x00, %al\r |
| ccec4c39 |
1104 | movb $0xc, %ah\r |
| 1105 | movl $0xb8000, %edi\r |
| 1106 | movl $80*24, %ecx\r |
| 1107 | LN_C5: \r |
| 1108 | movw %ax, (%edi)\r |
| 1109 | addl $2, %edi\r |
| 1110 | loop LN_C5\r |
| 1111 | movl $0xb8000, %edi\r |
| 1112 | \r |
| 1113 | popl %ecx\r |
| 1114 | popl %eax\r |
| 1115 | \r |
| 1116 | ret\r |
| 1117 | \r |
| 1118 | A2C: \r |
| 1119 | andb $0xf, %al\r |
| 1120 | addb '0', %al\r |
| 1121 | cmpb '9', %al\r |
| 1122 | jle LN_C6\r |
| 1123 | addb $7, %al\r |
| 1124 | LN_C6: \r |
| 1125 | ret\r |
| 1126 | \r |
| 1127 | String1: .asciz "*** INT "\r |
| 1128 | \r |
| 1129 | Int0String: .asciz "00h Divide by 0 -"\r |
| 1130 | Int1String: .asciz "01h Debug exception -"\r |
| 1131 | Int2String: .asciz "02h NMI -"\r |
| 1132 | Int3String: .asciz "03h Breakpoint -"\r |
| 1133 | Int4String: .asciz "04h Overflow -"\r |
| 1134 | Int5String: .asciz "05h Bound -"\r |
| 1135 | Int6String: .asciz "06h Invalid opcode -"\r |
| 1136 | Int7String: .asciz "07h Device not available -"\r |
| 1137 | Int8String: .asciz "08h Double fault -"\r |
| 1138 | Int9String: .asciz "09h Coprocessor seg overrun (reserved) -"\r |
| 1139 | Int10String: .asciz "0Ah Invalid TSS -"\r |
| 1140 | Int11String: .asciz "0Bh Segment not present -"\r |
| 1141 | Int12String: .asciz "0Ch Stack fault -"\r |
| 1142 | Int13String: .asciz "0Dh General protection fault -"\r |
| 1143 | Int14String: .asciz "0Eh Page fault -"\r |
| 1144 | Int15String: .asciz "0Fh (Intel reserved) -"\r |
| 1145 | Int16String: .asciz "10h Floating point error -"\r |
| 1146 | Int17String: .asciz "11h Alignment check -"\r |
| 1147 | Int18String: .asciz "12h Machine check -"\r |
| 1148 | Int19String: .asciz "13h SIMD Floating-Point Exception -"\r |
| 1149 | IntUnknownString: .asciz "??h Unknown interrupt -"\r |
| 1150 | \r |
| 1151 | StringTable: .long Int0String, Int1String, Int2String, Int3String, \\r |
| 1152 | Int4String, Int5String, Int6String, Int7String, \\r |
| 1153 | Int8String, Int9String, Int10String, Int11String, \\r |
| 1154 | Int12String, Int13String, Int14String, Int15String,\\r |
| 1155 | Int16String, Int17String, Int18String, Int19String\r |
| 1156 | \r |
| 1157 | String2: .asciz " HALT!! *** ("\r |
| 1158 | String3: .asciz ")"\r |
| 1159 | StringEax: .asciz "EAX="\r |
| 1160 | StringEbx: .asciz "EBX="\r |
| 1161 | StringEcx: .asciz "ECX="\r |
| 1162 | StringEdx: .asciz "EDX="\r |
| 1163 | StringEcode: .asciz "ECODE="\r |
| 1164 | StringEsp: .asciz "ESP="\r |
| 1165 | StringEbp: .asciz "EBP="\r |
| 1166 | StringEsi: .asciz "ESI="\r |
| 1167 | StringEdi: .asciz "EDI="\r |
| 1168 | StringEflags: .asciz "EFLAGS="\r |
| 1169 | \r |
| 1170 | Idtr: .float 0\r |
| 1171 | \r |
| 1172 | .org 0x21ffe\r |
| 1173 | BlockSignature: \r |
| 1174 | .word 0xaa55\r |
| 1175 | \r |
| 1176 | \r |
projects / mirror_edk2.git / blame