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| 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. 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: 2466 $ |
8 | $Revision: 2594 $ |
| 9 | 9 | ||
| Line 440... | Line 440... | ||
| 440 | endp |
440 | endp |
| Line 441... | Line 441... | ||
| 441 | 441 | ||
| 442 | align 4 |
442 | align 4 |
| Line -... | Line 443... | ||
| - | 443 | proc new_mem_resize stdcall, new_size:dword |
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| - | 444 | ||
| - | 445 | push ebx |
|
| - | 446 | push esi |
|
| 443 | proc new_mem_resize stdcall, new_size:dword |
447 | push edi |
| - | 448 | ||
| 444 | 449 | mov edx, [current_slot] |
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| Line 445... | Line 450... | ||
| 445 | mov ecx, pg_data.mutex |
450 | cmp [edx+APPDATA.heap_base], 0 |
| 446 | call mutex_lock |
451 | jne .exit |
| 447 | 452 | ||
| 448 | mov edi, [new_size] |
453 | mov edi, [new_size] |
| Line 449... | Line -... | ||
| 449 | add edi, 4095 |
- | |
| 450 | and edi, not 4095 |
- | |
| 451 | mov [new_size], edi |
- | |
| 452 | - | ||
| 453 | mov edx, [current_slot] |
454 | add edi, 4095 |
| 454 | cmp [edx+APPDATA.heap_base], 0 |
455 | and edi, not 4095 |
| 455 | jne .exit |
456 | mov [new_size], edi |
| Line 456... | Line 457... | ||
| 456 | 457 | ||
| 457 | mov esi, [edx+APPDATA.mem_size] |
458 | mov esi, [edx+APPDATA.mem_size] |
| - | 459 | add esi, 4095 |
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| Line -... | Line 460... | ||
| - | 460 | and esi, not 4095 |
|
| 458 | add esi, 4095 |
461 | |
| 459 | and esi, not 4095 |
462 | cmp edi, esi |
| - | 463 | ja .expand |
|
| - | 464 | je .exit |
|
| - | 465 | ||
| 460 | 466 | mov ebx, edi |
|
| 461 | cmp edi, esi |
467 | shr edi, 12 |
| 462 | jae .expand |
468 | shr esi, 12 |
| 463 | 469 | ||
| - | 470 | mov ecx, pg_data.mutex |
|
| 464 | shr edi, 12 |
471 | call mutex_lock |
| 465 | shr esi, 12 |
- | |
| 466 | @@: |
- | |
| 467 | mov eax, [app_page_tabs+edi*4] |
- | |
| 468 | test eax, 1 |
472 | @@: |
| 469 | jz .next |
- | |
| 470 | mov dword [app_page_tabs+edi*4], 2 |
473 | mov eax, [app_page_tabs+edi*4] |
| Line 471... | Line 474... | ||
| 471 | mov ebx, edi |
474 | test eax, 1 |
| 472 | shl ebx, 12 |
475 | jz .next |
| 473 | push eax |
476 | |
| 474 | invlpg [ebx] |
477 | mov dword [app_page_tabs+edi*4], 0 |
| Line 475... | Line -... | ||
| 475 | pop eax |
- | |
| 476 | call free_page |
- | |
| 477 | - | ||
| 478 | .next: |
- | |
| 479 | add edi, 1 |
478 | invlpg [ebx] |
| 480 | cmp edi, esi |
479 | call free_page |
| Line -... | Line 480... | ||
| - | 480 | ||
| - | 481 | .next: |
|
| - | 482 | inc edi |
|
| - | 483 | cmp edi, esi |
|
| - | 484 | jb @B |
|
| - | 485 | ||
| - | 486 | mov ecx, pg_data.mutex |
|
| - | 487 | call mutex_unlock |
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| 481 | jb @B |
488 | |
| 482 | 489 | .update_size: |
|
| - | 490 | mov edx, [current_slot] |
|
| 483 | .update_size: |
491 | mov ebx, [new_size] |
| Line -... | Line 492... | ||
| - | 492 | call update_mem_size |
|
| 484 | mov ebx, [new_size] |
493 | .exit: |
| - | 494 | pop edi |
|
| 485 | call update_mem_size |
495 | pop esi |
| - | 496 | pop ebx |
|
| - | 497 | xor eax, eax |
|
| - | 498 | ret |
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| Line 486... | Line 499... | ||
| 486 | 499 | ||
| 487 | mov ecx, pg_data.mutex |
500 | .expand: |
| 488 | call mutex_unlock |
501 | |
| 489 | 502 | mov ecx, pg_data.mutex |
|
| Line 490... | Line 503... | ||
| 490 | xor eax, eax |
503 | call mutex_lock |
| 491 | ret |
504 | |
| 492 | .expand: |
- | |
| 493 | - | ||
| 494 | push esi |
- | |
| 495 | push edi |
505 | xchg esi, edi |
| 496 | 506 | ||
| 497 | add edi, 0x3FFFFF |
507 | push esi ;new size |
| 498 | and edi, not(0x3FFFFF) |
508 | push edi ;old size |
| Line 499... | Line 509... | ||
| 499 | add esi, 0x3FFFFF |
509 | |
| Line 500... | Line 510... | ||
| 500 | and esi, not(0x3FFFFF) |
510 | add edi, 0x3FFFFF |
| 501 | 511 | and edi, not(0x3FFFFF) |
|
| Line 522... | Line 532... | ||
| 522 | 532 | ||
| 523 | add edi, 0x00400000 |
533 | add edi, 0x00400000 |
| 524 | cmp edi, esi |
534 | cmp edi, esi |
| 525 | jb @B |
535 | jb @B |
| 526 | .grow: |
- | |
| 527 | ;//- |
- | |
| 528 | pop edi |
- | |
| 529 | push edi |
536 | .grow: |
| 530 | mov esi, [pg_data.pages_free] |
- | |
| 531 | sub esi, 1 |
- | |
| 532 | shr edi, 12 |
- | |
| 533 | cmp esi, edi |
- | |
| 534 | jle .out_of_memory |
- | |
| 535 | ;//- |
- | |
| 536 | pop edi |
- | |
| 537 | pop esi |
- | |
| 538 | @@: |
- | |
| 539 | call alloc_page |
- | |
| 540 | test eax, eax |
- | |
| 541 | jz .exit |
537 | pop edi ;old size |
| Line 542... | Line 538... | ||
| 542 | stdcall map_page, esi, eax, dword PG_UW |
538 | pop ecx ;new size |
| 543 | 539 | ||
| 544 | push edi |
540 | shr edi, 10 |
| - | 541 | shr ecx, 10 |
|
| 545 | mov edi, esi |
542 | sub ecx, edi |
| - | 543 | shr ecx, 2 ;pages count |
|
| 546 | xor eax, eax |
544 | mov eax, 2 |
| 547 | mov ecx, 1024 |
545 | |
| 548 | cld |
- | |
| Line 549... | Line 546... | ||
| 549 | rep stosd |
546 | add edi, app_page_tabs |
| 550 | pop edi |
547 | rep stosd |
| 551 | - | ||
| Line 552... | Line 548... | ||
| 552 | add esi, 0x1000 |
548 | |
| 553 | cmp esi, edi |
549 | mov ecx, pg_data.mutex |
| 554 | jb @B |
550 | call mutex_unlock |
| 555 | - | ||
| 556 | jmp .update_size |
- | |
| 557 | ;//- |
- | |
| 558 | .exit_pop: |
- | |
| 559 | .out_of_memory: |
- | |
| 560 | ;//- |
551 | |
| 561 | pop edi |
552 | jmp .update_size |
| Line -... | Line 553... | ||
| - | 553 | ||
| - | 554 | .exit_fail: |
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| - | 555 | mov ecx, pg_data.mutex |
|
| - | 556 | call mutex_unlock |
|
| 562 | pop esi |
557 | |
| 563 | .exit: |
558 | add esp, 8 |
| 564 | mov ecx, pg_data.mutex |
559 | pop edi |
| 565 | call mutex_unlock |
560 | pop esi |
| Line -... | Line 561... | ||
| - | 561 | pop ebx |
|
| - | 562 | xor eax, eax |
|
| 566 | 563 | inc eax |
|
| 567 | xor eax, eax |
564 | ret |
| 568 | inc eax |
565 | endp |
| 569 | ret |
566 | |