Rev 750 | Rev 785 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 750 | Rev 770 | ||
|---|---|---|---|
| Line 3... | Line 3... | ||
| 3 | ;; Copyright (C) KolibriOS team 2007-2008. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2007-2008. All rights reserved. ;; |
| 4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
| 5 | ;; ;; |
5 | ;; ;; |
| 6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 7... | Line 7... | ||
| 7 | 7 | ||
| Line 8... | Line 8... | ||
| 8 | $Revision: 750 $ |
8 | $Revision: 770 $ |
| 9 | 9 | ||
| Line 10... | Line 10... | ||
| 10 | ; Virtual-8086 mode manager |
10 | ; Virtual-8086 mode manager |
| Line 214... | Line 214... | ||
| 214 | mov byte [BOOT_VAR + 0x503], 0xCD |
214 | mov byte [BOOT_VAR + 0x503], 0xCD |
| 215 | mov byte [BOOT_VAR + 0x504], 0x10 |
215 | mov byte [BOOT_VAR + 0x504], 0x10 |
| 216 | mov byte [BOOT_VAR + 0x505], 0xF4 |
216 | mov byte [BOOT_VAR + 0x505], 0xF4 |
| 217 | mov esi, eax |
217 | mov esi, eax |
| 218 | mov ebx, [eax+V86_machine.pagedir] |
218 | mov ebx, [eax+V86_machine.pagedir] |
| - | 219 | mov dword [ebx+0x9B*4+0x1000], 0x9B000 or 111b |
|
| - | 220 | mov dword [ebx+0x9B*4+0x1800], OS_BASE + 0x9B000 |
|
| 219 | mov dword [ebx+0x9C*4+0x1000], 0x9C000 or 111b |
221 | mov dword [ebx+0x9C*4+0x1000], 0x9C000 or 111b |
| 220 | mov dword [ebx+0x9C*4+0x1800], OS_BASE + 0x9C000 |
222 | mov dword [ebx+0x9C*4+0x1800], OS_BASE + 0x9C000 |
| 221 | mov dword [ebx+0x9D*4+0x1000], 0x9D000 or 111b |
223 | mov dword [ebx+0x9D*4+0x1000], 0x9D000 or 111b |
| 222 | mov dword [ebx+0x9D*4+0x1800], OS_BASE + 0x9D000 |
224 | mov dword [ebx+0x9D*4+0x1800], OS_BASE + 0x9D000 |
| 223 | if ~DEBUG_SHOW_IO |
225 | if ~DEBUG_SHOW_IO |
| Line 547... | Line 549... | ||
| 547 | mov eax, [esp+v86_regs.eflags] |
549 | mov eax, [esp+v86_regs.eflags] |
| 548 | mov [edx], ax |
550 | mov [edx], ax |
| 549 | inc word [esp+v86_regs.eip] |
551 | inc word [esp+v86_regs.eip] |
| 550 | popad |
552 | popad |
| 551 | iretd |
553 | iretd |
| - | 554 | .handle_pushfd: |
|
| - | 555 | cmp word [esp+v86_regs.esp], 4 |
|
| - | 556 | jae @f |
|
| - | 557 | mov bl, 12 ; #SS exception |
|
| - | 558 | jmp .nogp |
|
| - | 559 | @@: |
|
| - | 560 | movzx edx, word [esp+v86_regs.ss] |
|
| - | 561 | shl edx, 4 |
|
| - | 562 | movzx eax, word [esp+v86_regs.esp] |
|
| - | 563 | sub eax, 4 |
|
| - | 564 | add edx, eax |
|
| - | 565 | mov eax, edx |
|
| - | 566 | mov esi, [esp+v86_regs.size+10h+4] |
|
| - | 567 | call v86_get_lin_addr |
|
| - | 568 | cmp eax, 0x1000 |
|
| - | 569 | jae @f |
|
| - | 570 | mov bl, 14 ; #PF exception |
|
| - | 571 | jmp .nogp |
|
| - | 572 | @@: |
|
| - | 573 | lea eax, [edx+3] |
|
| - | 574 | call v86_get_lin_addr |
|
| - | 575 | cmp eax, 0x1000 |
|
| - | 576 | jae @f |
|
| - | 577 | mov bl, 14 ; #PF exception |
|
| - | 578 | jmp .nogp |
|
| - | 579 | @@: |
|
| - | 580 | sub word [esp+v86_regs.esp], 4 |
|
| - | 581 | movzx eax, word [esp+v86_regs.eflags] |
|
| - | 582 | mov [edx], eax |
|
| - | 583 | add word [esp+v86_regs.eip], 2 |
|
| - | 584 | popad |
|
| - | 585 | iretd |
|
| 552 | .handle_popf: |
586 | .handle_popf: |
| 553 | cmp word [esp+v86_regs.esp], 0xFFFF |
587 | cmp word [esp+v86_regs.esp], 0xFFFF |
| 554 | jnz @f |
588 | jnz @f |
| 555 | mov bl, 12 |
589 | mov bl, 12 |
| 556 | jmp .nogp |
590 | jmp .nogp |
| Line 578... | Line 612... | ||
| 578 | mov word [esp+v86_regs.eflags], ax |
612 | mov word [esp+v86_regs.eflags], ax |
| 579 | add word [esp+v86_regs.esp], 2 |
613 | add word [esp+v86_regs.esp], 2 |
| 580 | inc word [esp+v86_regs.eip] |
614 | inc word [esp+v86_regs.eip] |
| 581 | popad |
615 | popad |
| 582 | iretd |
616 | iretd |
| - | 617 | .handle_popfd: |
|
| - | 618 | cmp word [esp+v86_regs.esp], 0x10000 - 4 |
|
| - | 619 | jbe @f |
|
| - | 620 | mov bl, 12 |
|
| - | 621 | jmp .nogp |
|
| - | 622 | @@: |
|
| - | 623 | movzx edx, word [esp+v86_regs.ss] |
|
| - | 624 | shl edx, 4 |
|
| - | 625 | movzx eax, word [esp+v86_regs.esp] |
|
| - | 626 | add edx, eax |
|
| - | 627 | mov eax, edx |
|
| - | 628 | mov esi, [esp+v86_regs.size+10h+4] |
|
| - | 629 | call v86_get_lin_addr |
|
| - | 630 | cmp eax, 0x1000 |
|
| - | 631 | jae @f |
|
| - | 632 | mov bl, 14 |
|
| - | 633 | jmp .nogp |
|
| - | 634 | @@: |
|
| - | 635 | lea eax, [edx+3] |
|
| - | 636 | call v86_get_lin_addr |
|
| - | 637 | cmp eax, 0x1000 |
|
| - | 638 | jae @f |
|
| - | 639 | mov bl, 14 |
|
| - | 640 | jmp .nogp |
|
| - | 641 | @@: |
|
| - | 642 | mov eax, [edx] |
|
| - | 643 | mov word [esp+v86_regs.eflags], ax |
|
| - | 644 | add word [esp+v86_regs.esp], 4 |
|
| - | 645 | add word [esp+v86_regs.eip], 2 |
|
| - | 646 | popad |
|
| - | 647 | iretd |
|
| 583 | .handle_cli: |
648 | .handle_cli: |
| 584 | and byte [esp+v86_regs.eflags+1], not 2 |
649 | and byte [esp+v86_regs.eflags+1], not 2 |
| 585 | inc word [esp+v86_regs.eip] |
650 | inc word [esp+v86_regs.eip] |
| 586 | popad |
651 | popad |
| 587 | iretd |
652 | iretd |
| Line 614... | Line 679... | ||
| 614 | jmp .invalid_io |
679 | jmp .invalid_io |
| 615 | .handle_66: |
680 | .handle_66: |
| 616 | cmp word [esp+v86_regs.eip], 0xFFFF |
681 | cmp word [esp+v86_regs.eip], 0xFFFF |
| 617 | jae .nogp |
682 | jae .nogp |
| 618 | lodsb |
683 | lodsb |
| - | 684 | cmp al, 0x9C |
|
| - | 685 | jz .handle_pushfd |
|
| - | 686 | cmp al, 0x9D |
|
| - | 687 | jz .handle_popfd |
|
| 619 | cmp al, 0xEF |
688 | cmp al, 0xEF |
| 620 | jz .handle_out_dword |
689 | jz .handle_out_dword |
| 621 | cmp al, 0xED |
690 | cmp al, 0xED |
| 622 | jz .handle_in_dword |
691 | jz .handle_in_dword |
| 623 | jmp .nogp |
692 | jmp .nogp |