Changeset 18 in vbox
- Timestamp:
- Jan 15, 2007 12:53:28 PM (18 years ago)
- svn:sync-xref-src-repo-rev:
- 17445
- Location:
- trunk/include/VBox
- Files:
-
- 1 edited
- 1 copied
-
asmdefs.mac (copied) (copied from trunk/include/VBox/nasm.mac ) (2 diffs, 1 prop)
-
nasm.mac (modified) (2 diffs, 1 prop)
Legend:
- Unmodified
- Added
- Removed
-
trunk/include/VBox/asmdefs.mac
- Property svn:keywords deleted
r9 r18 1 1 ;; @file 2 ; 3 ; Global NASM macros 2 ; VirtualBox YASM/NASM macros, structs, etc. 4 3 ; 5 4 … … 20 19 ; 21 20 22 %ifndef __VBox_ nasm_mac__23 %define __VBox_ nasm_mac__21 %ifndef __VBox_asmdefs_mac__ 22 %define __VBox_asmdefs_mac__ 24 23 25 24 ;; @def VBOX_WITH_STATISTICS -
trunk/include/VBox/nasm.mac
- Property svn:keywords deleted
r1 r18 1 1 ;; @file 2 ; Global NASM macros 2 3 ; 3 ; Global NASM macros4 ; @deprecated Use VBox/asmdefs.mac 4 5 ; 5 6 … … 23 24 %define __VBox_nasm_mac__ 24 25 25 ;; @def VBOX_WITH_STATISTICS 26 ; When defined all statistics will be included in the build. 27 ; This is enabled by default in all debug builds. 28 %ifndef VBOX_WITH_STATISTICS 29 %ifdef DEBUG 30 %define VBOX_WITH_STATISTICS 31 %endif 32 %endif 33 34 %include "iprt/asmdefs.mac" 35 36 37 38 ;%define UART_BASE 2f8h ; com2 39 %define UART_BASE 3f8h ; com1 40 %define UART_RATE 12 ; 9600 bps 41 %define UART_PARAMS 00000011b ; 8n1 42 43 44 ;; 45 ; Initializes the com port to 9600 baud 8n1. 46 ; al and dx are wasted. 47 ; @todo comport init doesn't quite work. :/ 48 %macro COM_INIT 0 49 push eax 50 push edx 51 52 mov dx, UART_BASE + 3 53 mov al, 80h 54 out dx, al ; make DL register accessible 55 56 mov dx, UART_BASE 57 mov ax, UART_RATE 58 out dx, ax ; write bps rate divisor 59 60 mov dx, UART_BASE + 3 61 mov al, UART_PARAMS 62 out dx, al ; write parameters 63 64 65 xor ax, ax 66 mov dx, UART_BASE + 4 ; disconnect the UART from the int line 67 out dx, al 68 69 mov dx, UART_BASE + 1 ; disable UART ints 70 out dx, al 71 72 mov dx, UART_BASE + 2 ; disable the fifos (old software relies on it) 73 out dx, al 74 75 mov dx, UART_BASE 76 in al, dx ; clear receiver 77 mov dx, UART_BASE + 5 78 in al, dx ; clear line status 79 inc dx 80 in al, dx ; clear modem status 81 82 pop edx 83 pop eax 84 %endmacro 85 86 87 ;; 88 ; writes string to comport 89 ; trashes nothing (uses stack though) 90 91 %macro COM32_S_PRINT 1+ 92 push esi 93 push ecx 94 push eax 95 mov ecx, edx 96 shl ecx, 16 97 98 call %%stringend 99 %%string: db %1 100 %%stringend: 101 pop esi 102 mov cx, %%stringend - %%string 103 %%status: 104 mov dx, UART_BASE + 5 105 in al, dx 106 test al, 20h 107 jz short %%status 108 109 mov al, [esi] 110 mov dx, UART_BASE 111 out dx, al 112 inc esi 113 dec cx 114 jnz short %%status 115 116 %%status2: 117 mov dx, UART_BASE + 5 118 in al, dx 119 test al, 20h 120 jz short %%status2 121 122 shr ecx, 16 123 mov dx, cx 124 pop eax 125 pop ecx 126 pop esi 127 %endmacro 128 129 %macro COM64_S_PRINT 1+ 130 push rsi 131 push rdx 132 push rcx 133 push rax 134 135 jmp %%stringend 136 %%string: db %1 137 %%stringend: 138 lea rsi, [%%string wrt rip] 139 mov cx, %%stringend - %%string 140 %%status: 141 mov dx, UART_BASE + 5 142 in al, dx 143 test al, 20h 144 jz short %%status 145 146 mov al, [rsi] 147 mov dx, UART_BASE 148 out dx, al 149 inc rsi 150 dec cx 151 jnz short %%status 152 153 %%status2: 154 mov dx, UART_BASE + 5 155 in al, dx 156 test al, 20h 157 jz short %%status2 158 159 pop rax 160 pop rcx 161 pop rdx 162 pop rsi 163 %endmacro 164 165 %macro COM_S_PRINT 1+ 166 %ifdef __AMD64__ 167 COM64_S_PRINT %1 168 %else 169 COM32_S_PRINT %1 170 %endif 171 %endmacro 172 173 174 ;; Write char. 175 ; trashes esi 176 %macro COM_CHAR 1 177 mov esi, eax 178 shl esi, 16 179 mov si, dx 180 181 %%status: 182 mov dx, UART_BASE + 5 183 in al, dx 184 test al, 20h 185 jz short %%status 186 187 mov al, %1 188 mov dx, UART_BASE 189 out dx, al 190 191 %%status2: 192 mov dx, UART_BASE + 5 193 in al, dx 194 test al, 20h 195 jz short %%status2 196 197 mov dx, si 198 shr esi, 16 199 mov ax, si 200 %endmacro 201 202 203 ;; Write char. 204 ; trashes nothing (uses stack though) 205 206 %macro COM32_S_CHAR 1 207 push eax 208 push edx 209 210 %%status: 211 mov dx, UART_BASE + 5 212 in al, dx 213 test al, 20h 214 jz short %%status 215 216 mov al, %1 217 mov dx, UART_BASE 218 out dx, al 219 220 %%status2: 221 mov dx, UART_BASE + 5 222 in al, dx 223 test al, 20h 224 jz short %%status2 225 226 pop edx 227 pop eax 228 %endmacro 229 230 %macro COM64_S_CHAR 1 231 push rax 232 push rdx 233 234 %%status: 235 mov dx, UART_BASE + 5 236 in al, dx 237 test al, 20h 238 jz short %%status 239 240 mov al, %1 241 mov dx, UART_BASE 242 out dx, al 243 244 %%status2: 245 mov dx, UART_BASE + 5 246 in al, dx 247 test al, 20h 248 jz short %%status2 249 250 pop rdx 251 pop rax 252 %endmacro 253 254 %macro COM_S_CHAR 1 255 %ifdef __AMD64__ 256 COM64_S_CHAR %1 257 %else 258 COM32_S_CHAR %1 259 %endif 260 %endmacro 261 262 263 ;; Writes newline 264 ; trashes esi 265 %macro COM_NEWLINE 0 266 mov esi, eax 267 shl esi, 16 268 mov si, dx 269 270 %%status1: 271 mov dx, UART_BASE + 5 272 in al, dx 273 test al, 20h 274 jz short %%status1 275 276 mov al, 13 277 mov dx, UART_BASE 278 out dx, al 279 280 %%status2: 281 mov dx, UART_BASE + 5 282 in al, dx 283 test al, 20h 284 jz short %%status2 285 286 mov al, 10 287 mov dx, UART_BASE 288 out dx, al 289 290 %%status3: 291 mov dx, UART_BASE + 5 292 in al, dx 293 test al, 20h 294 jz short %%status3 295 296 mov dx, si 297 shr esi, 16 298 mov ax, si 299 %endmacro 300 301 302 ;; Writes newline 303 ; trashes nothing (uses stack though) 304 305 %macro COM32_S_NEWLINE 0 306 push edx 307 push eax 308 309 %%status1: 310 mov dx, UART_BASE + 5 311 in al, dx 312 test al, 20h 313 jz short %%status1 314 315 mov al, 13 316 mov dx, UART_BASE 317 out dx, al 318 319 %%status2: 320 mov dx, UART_BASE + 5 321 in al, dx 322 test al, 20h 323 jz short %%status2 324 325 mov al, 10 326 mov dx, UART_BASE 327 out dx, al 328 329 %%status3: 330 mov dx, UART_BASE + 5 331 in al, dx 332 test al, 20h 333 jz short %%status3 334 335 pop eax 336 pop edx 337 %endmacro 338 339 %macro COM64_S_NEWLINE 0 340 push rdx 341 push rax 342 343 %%status1: 344 mov dx, UART_BASE + 5 345 in al, dx 346 test al, 20h 347 jz short %%status1 348 349 mov al, 13 350 mov dx, UART_BASE 351 out dx, al 352 353 %%status2: 354 mov dx, UART_BASE + 5 355 in al, dx 356 test al, 20h 357 jz short %%status2 358 359 mov al, 10 360 mov dx, UART_BASE 361 out dx, al 362 363 %%status3: 364 mov dx, UART_BASE + 5 365 in al, dx 366 test al, 20h 367 jz short %%status3 368 369 pop rax 370 pop rdx 371 %endmacro 372 373 %macro COM_S_NEWLINE 0 374 %ifdef __AMD64__ 375 COM64_S_NEWLINE 376 %else 377 COM32_S_NEWLINE 378 %endif 379 %endmacro 380 381 382 ;; Writes a dword from register to com port. 383 ; trashes esi, edi 384 ; edi cannot be used as input register 385 %macro COM_DWORD_REG 1 386 mov edi, ebx ; save ebx 387 mov ebx, %1 ; get value we're supposed to print 388 mov esi, eax ; save ax 389 shl esi, 16 ; save dx 390 mov si, dx 391 392 mov ah, 8 ; loop counter. 393 %%daloop: 394 rol ebx, 4 ; shift next digit to the front 395 396 %%status0: 397 mov dx, UART_BASE + 5 398 in al, dx 399 test al, 20h 400 jz short %%status0 401 402 mov al, bl ; get next char 403 and al, 0fh 404 cmp al, 10 405 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 406 add al, '0' 407 jmp short %%print 408 %%hex: 409 add al, 'a' - 10 410 %%print: 411 mov dx, UART_BASE 412 out dx, al 413 414 dec ah 415 jnz short %%daloop ; loop 416 417 mov dx, si ; restore dx 418 shr esi, 16 419 mov ax, si ; restore ax 420 mov ebx, edi ; restore ebx 421 %endmacro 422 423 424 ;; Writes a dword from register to com port. 425 ; trashes nothing (uses stack though) 426 427 %macro COM32_S_DWORD_REG 1 428 push edx 429 push eax 430 push ebx 431 432 mov ebx, %1 ; get value we're supposed to print 433 434 mov ah, 8 ; loop counter. 435 %%daloop: 436 rol ebx, 4 ; shift next digit to the front 437 438 %%status0: 439 mov dx, UART_BASE + 5 440 in al, dx 441 test al, 20h 442 jz short %%status0 443 444 mov al, bl ; get next char 445 and al, 0fh 446 cmp al, 10 447 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 448 add al, '0' 449 jmp short %%print 450 %%hex: 451 add al, 'a' - 10 452 %%print: 453 mov dx, UART_BASE 454 out dx, al 455 456 dec ah 457 jnz short %%daloop ; loop 458 459 pop ebx 460 pop eax 461 pop edx 462 %endmacro 463 464 %macro COM64_S_DWORD_REG 1 465 push rdx 466 push rax 467 push rbx 468 469 mov ebx, %1 ; get value we're supposed to print 470 471 mov ah, 8 ; loop counter. 472 %%daloop: 473 rol ebx, 4 ; shift next digit to the front 474 475 %%status0: 476 mov dx, UART_BASE + 5 477 in al, dx 478 test al, 20h 479 jz short %%status0 480 481 mov al, bl ; get next char 482 and al, 0fh 483 cmp al, 10 484 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 485 add al, '0' 486 jmp short %%print 487 %%hex: 488 add al, 'a' - 10 489 %%print: 490 mov dx, UART_BASE 491 out dx, al 492 493 dec ah 494 jnz short %%daloop ; loop 495 496 pop rbx 497 pop rax 498 pop rdx 499 %endmacro 500 501 %macro COM_S_DWORD_REG 1 502 %ifdef __AMD64__ 503 COM64_S_DWORD_REG %1 504 %else 505 COM32_S_DWORD_REG %1 506 %endif 507 %endmacro 508 509 510 ;; Writes a qword from register to com port. 511 ; trashes nothing (uses stack though) 512 %macro COM64_S_QWORD_REG 1 513 push rdx 514 push rax 515 push rbx 516 517 mov rbx, %1 ; get value we're supposed to print 518 519 mov ah, 16 ; loop counter. 520 %%daloop: 521 rol rbx, 4 ; shift next digit to the front 522 523 %%status0: 524 mov dx, UART_BASE + 5 525 in al, dx 526 test al, 20h 527 jz short %%status0 528 529 mov al, bl ; get next char 530 and al, 0fh 531 cmp al, 10 532 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 533 add al, '0' 534 jmp short %%print 535 %%hex: 536 add al, 'a' - 10 537 %%print: 538 mov dx, UART_BASE 539 out dx, al 540 541 dec ah 542 jnz short %%daloop ; loop 543 544 pop rbx 545 pop rax 546 pop rdx 547 %endmacro 548 549 550 ;; Writes a byte from register to com port. 551 ; trashes nothing (uses stack though) 552 553 %macro COM32_S_BYTE_REG 1 554 push edx 555 push eax 556 push ebx 557 558 mov ebx, %1 ; get value we're supposed to print 559 560 mov ah, 2 ; loop counter. 561 ror ebx, 8 ; shift next digit to the front 562 %%daloop: 563 rol ebx, 4 ; shift next digit to the front 564 565 %%status0: 566 mov dx, UART_BASE + 5 567 in al, dx 568 test al, 20h 569 jz short %%status0 570 571 mov al, bl ; get next char 572 and al, 0fh 573 cmp al, 10 574 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 575 add al, '0' 576 jmp short %%print 577 %%hex: 578 add al, 'a' - 10 579 %%print: 580 mov dx, UART_BASE 581 out dx, al 582 583 dec ah 584 jnz short %%daloop ; loop 585 586 pop ebx 587 pop eax 588 pop edx 589 %endmacro 590 591 %macro COM64_S_BYTE_REG 1 592 push rdx 593 push rax 594 push rbx 595 596 mov ebx, %1 ; get value we're supposed to print 597 598 mov ah, 2 ; loop counter. 599 ror ebx, 8 ; shift next digit to the front 600 %%daloop: 601 rol ebx, 4 ; shift next digit to the front 602 603 %%status0: 604 mov dx, UART_BASE + 5 605 in al, dx 606 test al, 20h 607 jz short %%status0 608 609 mov al, bl ; get next char 610 and al, 0fh 611 cmp al, 10 612 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 613 add al, '0' 614 jmp short %%print 615 %%hex: 616 add al, 'a' - 10 617 %%print: 618 mov dx, UART_BASE 619 out dx, al 620 621 dec ah 622 jnz short %%daloop ; loop 623 624 pop rbx 625 pop rax 626 pop rdx 627 %endmacro 628 629 %macro COM_S_BYTE_REG 1 630 %ifdef __AMD64__ 631 COM64_S_BYTE_REG %1 632 %else 633 COM32_S_BYTE_REG %1 634 %endif 635 %endmacro 636 637 638 639 ;; Writes a single hex digit from register to com port. 640 ; trashes nothing (uses stack though) 641 642 %macro COM32_S_DIGIT_REG 1 643 push edx 644 push eax 645 push ebx 646 647 mov ebx, %1 ; get value we're supposed to print 648 %%status0: 649 mov dx, UART_BASE + 5 650 in al, dx 651 test al, 20h 652 jz short %%status0 653 654 mov al, bl ; get next char 655 and al, 0fh 656 cmp al, 10 657 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 658 add al, '0' 659 jmp short %%print 660 %%hex: 661 add al, 'a' - 10 662 %%print: 663 mov dx, UART_BASE 664 out dx, al 665 666 pop ebx 667 pop eax 668 pop edx 669 %endmacro 670 671 %macro COM64_S_DIGIT_REG 1 672 push rdx 673 push rax 674 push rbx 675 676 mov ebx, %1 ; get value we're supposed to print 677 %%status0: 678 mov dx, UART_BASE + 5 679 in al, dx 680 test al, 20h 681 jz short %%status0 682 683 mov al, bl ; get next char 684 and al, 0fh 685 cmp al, 10 686 jae short %%hex ; yasm BUG! It sometimes generate a near jump here. YASMCHECK! 687 add al, '0' 688 jmp short %%print 689 %%hex: 690 add al, 'a' - 10 691 %%print: 692 mov dx, UART_BASE 693 out dx, al 694 695 pop rbx 696 pop rax 697 pop rdx 698 %endmacro 699 700 %macro COM_S_DIGIT_REG 1 701 %ifdef __AMD64__ 702 COM64_S_DIGIT_REG %1 703 %else 704 COM32_S_DIGIT_REG %1 705 %endif 706 %endmacro 707 708 709 ;; 710 ; Loops for a while. 711 ; ecx is trashed. 712 %macro LOOP_A_WHILE 0 713 714 xor ecx, ecx 715 dec ecx 716 shr ecx, 1 717 %%looplabel: 718 nop 719 nop 720 nop 721 dec ecx 722 jnz short %%looplabel 723 724 %endmacro 725 726 727 ;; 728 ; Loops for a short while. 729 ; ecx is trashed. 730 %macro LOOP_SHORT_WHILE 0 731 732 xor ecx, ecx 733 dec ecx 734 shr ecx, 4 735 %%looplabel: 736 nop 737 nop 738 dec ecx 739 jnz short %%looplabel 740 741 %endmacro 26 %include "VBox/asmdefs.mac" 742 27 743 28 %endif
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