kernel2/isr.asm

   1 ;    meinOS - A unix-like x86 microkernel operating system
   2 ;    Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   3 ;
   4 ;    This program is free software: you can redistribute it and/or modify
   5 ;    it under the terms of the GNU General Public License as published by
   6 ;    the Free Software Foundation, either version 3 of the License, or
   7 ;    (at your option) any later version.
   8 ;
   9 ;    This program is distributed in the hope that it will be useful,
  10 ;    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 ;    GNU General Public License for more details.
  13 ;
  14 ;    You should have received a copy of the GNU General Public License
  15 ;    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 global isr00,isr01,isr02,isr03,isr04,isr05,isr06,isr07,isr08,isr09,isr0A,isr0B,isr0C,isr0D,isr0E,isr0F
  18 global isr10,isr11,isr12,isr13,isr14,isr15,isr16,isr17,isr18,isr19,isr1A,isr1B,isr1C,isr1D,isr1E,isr1F
  19 global isr20,isr21,isr22,isr23,isr24,isr25,isr26,isr27,isr28,isr29,isr2A,isr2B,isr2C,isr2D,isr2E,isr2F
  20 global isr30,isr31,isr32,isr33,isr34,isr35,isr36,isr37
  21
  22 global isr_uselapic
  23 global isr
  24
  25 extern syscall_handler
  26 extern interrupt_handler
  27 extern lapic_timer_calibrate
  28
  29 align 4
  30
  31 reg_eax       dd 0
  32 reg_eip       dd 0
  33 reg_esp       dd 0
  34 reg_efl       dd 0
  35 reg_cs        dw 0
  36 reg_ds        dw 0
  37 reg_ss        dw 0
  38 reg_kernelesp dd 0
  39 isr_uselapic  dd 0
  40
  41 ; Pointer to ISRs as array
  42 isr       dd isr_table
  43 isr_table dd isr00,isr01,isr02,isr03,isr04,isr05,isr06,isr07,isr08,isr09,isr0A,isr0B,isr0C,isr0D,isr0E,isr0F, \
  44              isr10,isr11,isr12,isr13,isr14,isr15,isr16,isr17,isr18,isr19,isr1A,isr1B,isr1C,isr1D,isr1E,isr1F, \
  45              isr20,isr21,isr22,isr23,isr24,isr25,isr26,isr27,isr28,isr29,isr2A,isr2B,isr2C,isr2D,isr2E,isr2F, \
  46              isr30,isr31,isr32,isr33,isr34,isr35,isr36,isr37
  47
  48 %macro pushsr 0
  49         push DWORD ds
  50         push DWORD es
  51         push DWORD fs
  52         push DWORD gs
  53 %endmacro
  54
  55 %macro popsr 0
  56         pop DWORD ds
  57         pop DWORD es
  58         pop DWORD fs
  59         pop DWORD gs
  60 %endmacro
  61
  62 ; Interrupt Service Routines
  63 isr00:
  64         push DWORD 0 ; dummy error code
  65         pushsr
  66         pushad
  67         push esp
  68         push DWORD 0x00
  69         call interrupt_handler
  70         add esp,8
  71         popad
  72         popsr
  73         add esp,4
  74         iret
  75 isr01:
  76         push DWORD 0 ; dummy error code
  77         pushsr
  78         pushad
  79         push esp
  80         push DWORD 0x01
  81         call interrupt_handler
  82         add esp,8
  83         popad
  84         popsr
  85         add esp,4
  86         iret
  87 isr02:
  88         push DWORD 0 ; dummy error code
  89         pushsr
  90         pushad
  91         push esp
  92         push DWORD 0x02
  93         call interrupt_handler
  94         add esp,8
  95         popad
  96         popsr
  97         add esp,4
  98         iret
  99 isr03:
 100         push DWORD 0 ; dummy error code
 101         pushsr
 102         pushad
 103         push esp
 104         push DWORD 0x03
 105         call interrupt_handler
 106         add esp,8
 107         popad
 108         popsr
 109         add esp,4
 110         iret
 111 isr04:
 112         push DWORD 0 ; dummy error code
 113         pushsr
 114         pushad
 115         push esp
 116         push DWORD 0x04
 117         call interrupt_handler
 118         add esp,8
 119         popad
 120         popsr
 121         add esp,4
 122         iret
 123 isr05:
 124         push DWORD 0 ; dummy error code
 125         pushsr
 126         pushad
 127         push esp
 128         push DWORD 0x05
 129         call interrupt_handler
 130         add esp,8
 131         popad
 132         popsr
 133         add esp,4
 134         iret
 135 isr06:
 136         push DWORD 0 ; dummy error code
 137         pushsr
 138         pushad
 139         push esp
 140         push DWORD 0x06
 141         call interrupt_handler
 142         add esp,8
 143         popad
 144         popsr
 145         add esp,4
 146         iret
 147 isr07:
 148         push DWORD 0 ; dummy error code
 149         pushsr
 150         pushad
 151         push esp
 152         push DWORD 0x07
 153         call interrupt_handler
 154         add esp,8
 155         popad
 156         popsr
 157         add esp,4
 158         iret
 159 isr08:
 160         pushsr
 161         pushad
 162         push esp
 163         push DWORD 0x08
 164         call interrupt_handler
 165         add esp,8
 166         popad
 167         popsr
 168         add esp,4
 169         iret
 170 isr09:
 171         push DWORD 0 ; dummy error code
 172         pushsr
 173         pushad
 174         push esp
 175         push DWORD 0x09
 176         call interrupt_handler
 177         add esp,8
 178         popad
 179         popsr
 180         add esp,4
 181         iret
 182 isr0A:
 183         pushsr
 184         pushad
 185         push esp
 186         push DWORD 0x0A
 187         call interrupt_handler
 188         add esp,8
 189         popad
 190         popsr
 191         add esp,4
 192         iret
 193 isr0B:
 194         pushsr
 195         pushad
 196         push esp
 197         push DWORD 0x0B
 198         call interrupt_handler
 199         add esp,8
 200         popad
 201         popsr
 202         add esp,4
 203         iret
 204 isr0C:
 205         pushsr
 206         pushad
 207         push esp
 208         push DWORD 0x0C
 209         call interrupt_handler
 210         add esp,8
 211         popad
 212         popsr
 213         add esp,4
 214         iret
 215 isr0D:
 216         pushsr
 217         pushad
 218         push esp
 219         push DWORD 0x0D
 220         call interrupt_handler
 221         add esp,8
 222         popad
 223         popsr
 224         add esp,4
 225         iret
 226 isr0E:
 227         pushsr
 228         pushad
 229         push esp
 230         push DWORD 0x0E
 231         call interrupt_handler
 232         add esp,8
 233         popad
 234         popsr
 235         add esp,4
 236         iret
 237 isr0F: ; Spurious
 238         push DWORD 0 ; dummy error code
 239         pushsr
 240         pushad
 241         push esp
 242         push DWORD 0x0F
 243         call interrupt_handler
 244         add esp,8
 245         popad
 246         popsr
 247         add esp,4
 248         iret
 249 isr10:
 250         push DWORD 0 ; dummy error code
 251         pushsr
 252         pushad
 253         push esp
 254         push DWORD 0x10
 255         call interrupt_handler
 256         add esp,8
 257         popad
 258         popsr
 259         add esp,4
 260         iret
 261 isr11:
 262         push DWORD 0 ; dummy error code
 263         pushsr
 264         pushad
 265         push esp
 266         push DWORD 0x11
 267         call interrupt_handler
 268         add esp,8
 269         popad
 270         popsr
 271         add esp,4
 272         iret
 273 isr12:
 274         push DWORD 0 ; dummy error code
 275         pushsr
 276         pushad
 277         push esp
 278         push DWORD 0x12
 279         call interrupt_handler
 280         add esp,8
 281         popad
 282         popsr
 283         add esp,4
 284         iret
 285 isr13:
 286         push DWORD 0 ; dummy error code
 287         pushsr
 288         pushad
 289         push esp
 290         push DWORD 0x13
 291         call interrupt_handler
 292         add esp,8
 293         popad
 294         popsr
 295         add esp,4
 296         iret
 297 isr14:
 298         push DWORD 0 ; dummy error code
 299         pushsr
 300         pushad
 301         push esp
 302         push DWORD 0x14
 303         call interrupt_handler
 304         add esp,8
 305         popad
 306         popsr
 307         add esp,4
 308         iret
 309 isr15:
 310         push DWORD 0 ; dummy error code
 311         pushsr
 312         pushad
 313         push esp
 314         push DWORD 0x15
 315         call interrupt_handler
 316         add esp,8
 317         popad
 318         popsr
 319         add esp,4
 320         iret
 321 isr16:
 322         push DWORD 0 ; dummy error code
 323         pushsr
 324         pushad
 325         push esp
 326         push DWORD 0x16
 327         call interrupt_handler
 328         add esp,8
 329         popad
 330         popsr
 331         add esp,4
 332         iret
 333 isr17:
 334         push DWORD 0 ; dummy error code
 335         pushsr
 336         pushad
 337         push esp
 338         push DWORD 0x17
 339         call interrupt_handler
 340         add esp,8
 341         popad
 342         popsr
 343         add esp,4
 344         iret
 345 isr18:
 346         push DWORD 0 ; dummy error code
 347         pushsr
 348         pushad
 349         push esp
 350         push DWORD 0x18
 351         call interrupt_handler
 352         add esp,8
 353         popad
 354         popsr
 355         add esp,4
 356         iret
 357 isr19:
 358         push DWORD 0 ; dummy error code
 359         pushsr
 360         pushad
 361         push esp
 362         push DWORD 0x19
 363         call interrupt_handler
 364         add esp,8
 365         popad
 366         popsr
 367         add esp,4
 368         iret
 369 isr1A:
 370         push DWORD 0 ; dummy error code
 371         pushsr
 372         pushad
 373         push esp
 374         push DWORD 0x1A
 375         call interrupt_handler
 376         add esp,8
 377         popad
 378         popsr
 379         add esp,4
 380         iret
 381 isr1B:
 382         push DWORD 0 ; dummy error code
 383         pushsr
 384         pushad
 385         push esp
 386         push DWORD 0x1B
 387         call interrupt_handler
 388         add esp,8
 389         popad
 390         popsr
 391         add esp,4
 392         iret
 393 isr1C:
 394         push DWORD 0 ; dummy error code
 395         pushsr
 396         pushad
 397         push esp
 398         push DWORD 0x1C
 399         call interrupt_handler
 400         add esp,8
 401         popad
 402         popsr
 403         add esp,4
 404         iret
 405 isr1D:
 406         push DWORD 0 ; dummy error code
 407         pushsr
 408         pushad
 409         push esp
 410         push DWORD 0x1D
 411         call interrupt_handler
 412         add esp,8
 413         popad
 414         popsr
 415         add esp,4
 416         iret
 417 isr1E:
 418         push DWORD 0 ; dummy error code
 419         pushsr
 420         pushad
 421         push esp
 422         push DWORD 0x1E
 423         call interrupt_handler
 424         add esp,8
 425         popad
 426         popsr
 427         add esp,4
 428         iret
 429 isr1F:
 430         push DWORD 0 ; dummy error code
 431         pushsr
 432         pushad
 433         push esp
 434         push DWORD 0x1F
 435         call interrupt_handler
 436         add esp,8
 437         popad
 438         popsr
 439         add esp,4
 440         iret
 441 isr20: ; PIT timer interrupt (for calibration of APIC timer)
 442         pushad
 443         mov eax,[isr_uselapic]
 444         test eax,eax
 445         jz .usepic
 446         call lapic_timer_calibrate
 447         popad
 448         iret
 449 .usepic:
 450         popad
 451         jmp isr30
 452 isr21:
 453         push DWORD 0 ; dummy error code
 454         pushsr
 455         pushad
 456         push esp
 457         push DWORD 0x21
 458         call interrupt_handler
 459         add esp,8
 460         popad
 461         popsr
 462         add esp,4
 463         iret
 464 isr22:
 465         push DWORD 0 ; dummy error code
 466         pushsr
 467         pushad
 468         push esp
 469         push DWORD 0x22
 470         call interrupt_handler
 471         add esp,8
 472         popad
 473         popsr
 474         add esp,4
 475         iret
 476 isr23:
 477         push DWORD 0 ; dummy error code
 478         pushsr
 479         pushad
 480         push esp
 481         push DWORD 0x23
 482         call interrupt_handler
 483         add esp,8
 484         popad
 485         popsr
 486         add esp,4
 487         iret
 488 isr24:
 489         push DWORD 0 ; dummy error code
 490         pushsr
 491         pushad
 492         push esp
 493         push DWORD 0x24
 494         call interrupt_handler
 495         add esp,8
 496         popad
 497         popsr
 498         add esp,4
 499         iret
 500 isr25:
 501         push DWORD 0 ; dummy error code
 502         pushsr
 503         pushad
 504         push esp
 505         push DWORD 0x25
 506         call interrupt_handler
 507         add esp,8
 508         popad
 509         popsr
 510         add esp,4
 511         iret
 512 isr26:
 513         push DWORD 0 ; dummy error code
 514         pushsr
 515         pushad
 516         push esp
 517         push DWORD 0x26
 518         call interrupt_handler
 519         add esp,8
 520         popad
 521         popsr
 522         add esp,4
 523         iret
 524 isr27:
 525         push DWORD 0 ; dummy error code
 526         pushsr
 527         pushad
 528         push esp
 529         push DWORD 0x27
 530         call interrupt_handler
 531         add esp,8
 532         popad
 533         popsr
 534         add esp,4
 535         iret
 536 isr28:
 537         push DWORD 0 ; dummy error code
 538         pushsr
 539         pushad
 540         push esp
 541         push DWORD 0x28
 542         call interrupt_handler
 543         add esp,8
 544         popad
 545         popsr
 546         add esp,4
 547         iret
 548 isr29:
 549         push DWORD 0 ; dummy error code
 550         pushsr
 551         pushad
 552         push esp
 553         push DWORD 0x29
 554         call interrupt_handler
 555         add esp,8
 556         popad
 557         popsr
 558         add esp,4
 559         iret
 560 isr2A:
 561         push DWORD 0 ; dummy error code
 562         pushsr
 563         pushad
 564         push esp
 565         push DWORD 0x2A
 566         call interrupt_handler
 567         add esp,8
 568         popad
 569         popsr
 570         add esp,4
 571         iret
 572 isr2B:
 573         push DWORD 0 ; dummy error code
 574         pushsr
 575         pushad
 576         push esp
 577         push DWORD 0x2B
 578         call interrupt_handler
 579         add esp,8
 580         popad
 581         popsr
 582         add esp,4
 583         iret
 584 isr2C:
 585         push DWORD 0 ; dummy error code
 586         pushsr
 587         pushad
 588         push esp
 589         push DWORD 0x2C
 590         call interrupt_handler
 591         add esp,8
 592         popad
 593         popsr
 594         add esp,4
 595         iret
 596 isr2D:
 597         push DWORD 0 ; dummy error code
 598         pushsr
 599         pushad
 600         push esp
 601         push DWORD 0x2D
 602         call interrupt_handler
 603         add esp,8
 604         popad
 605         popsr
 606         add esp,4
 607         iret
 608 isr2E:
 609         push DWORD 0 ; dummy error code
 610         pushsr
 611         pushad
 612         push esp
 613         push DWORD 0x2E
 614         call interrupt_handler
 615         add esp,8
 616         popad
 617         popsr
 618         add esp,4
 619         iret
 620 isr2F:
 621         push DWORD 0 ; dummy error code
 622         pushsr
 623         pushad
 624         push esp
 625         push DWORD 0x2F
 626         call interrupt_handler
 627         add esp,8
 628         popad
 629         popsr
 630         add esp,4
 631         iret
 632 isr30: ; LAPIC Timer
 633         push DWORD 0 ; dummy error code
 634         pushsr
 635         pushad
 636         push esp
 637         push DWORD 0x30
 638         call interrupt_handler
 639         add esp,8
 640         popad
 641         popsr
 642         add esp,4
 643         iret
 644 isr31: ; Thermal
 645         push DWORD 0 ; dummy error code
 646         pushsr
 647         pushad
 648         push esp
 649         push DWORD 0x31
 650         call interrupt_handler
 651         add esp,8
 652         popad
 653         popsr
 654         add esp,4
 655         iret
 656 isr32: ; Performance monitor
 657         push DWORD 0 ; dummy error code
 658         pushsr
 659         pushad
 660         push esp
 661         push DWORD 0x32
 662         call interrupt_handler
 663         add esp,8
 664         popad
 665         popsr
 666         add esp,4
 667         iret
 668 isr33: ; LINT0
 669         push DWORD 0 ; dummy error code
 670         pushsr
 671         pushad
 672         push esp
 673         push DWORD 0x33
 674         call interrupt_handler
 675         add esp,8
 676         popad
 677         popsr
 678         add esp,4
 679         iret
 680 isr34: ; LINT1
 681         push DWORD 0 ; dummy error code
 682         pushsr
 683         pushad
 684         push esp
 685         push DWORD 0x34
 686         call interrupt_handler
 687         add esp,8
 688         popad
 689         popsr
 690         add esp,4
 691         iret
 692 isr35: ; Error
 693         push DWORD 0 ; dummy error code
 694         pushsr
 695         pushad
 696         push esp
 697         push DWORD 0x35
 698         call interrupt_handler
 699         add esp,8
 700         popad
 701         popsr
 702         add esp,4
 703         iret
 704 isr36: ; IPCI
 705         push DWORD 0 ; dummy error code
 706         pushsr
 707         pushad
 708         push esp
 709         push DWORD 0x36
 710         call interrupt_handler
 711         add esp,8
 712         popad
 713         popsr
 714         add esp,4
 715         iret
 716 isr37: ; Syscall interrupt
 717         push DWORD 0 ; dummy error code
 718         pushsr
 719         pushad
 720         mov ax,ds
 721         push ax
 722         mov ax,ss
 723         mov ds,ax
 724         pop ax
 725         mov [reg_ds],ax
 726
 727         ; call syscallhandler
 728         push esp
 729         call syscall_handler
 730         add esp,4 ; pop esp
 731
 732         popad
 733         popsr
 734         add esp,4 ; pop error code
 735
 736         ; restore ds
 737         mov dx,[reg_ds]
 738         mov ds,dx
 739         iret