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| 3 | ;; Copyright (C) KolibriOS team 2013-2016. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2013-2016. 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: 6756 $ |
8 | $Revision: 6774 $ |
| 9 | 9 | ||
| 10 | ; EXT external functions |
10 | ; EXT external functions |
| 11 | ; in: |
11 | ; in: |
| Line 364... | Line 364... | ||
| 364 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
364 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
| 365 | call extfsReadBlock |
365 | call extfsReadBlock |
| 366 | jc .fail |
366 | jc .fail |
| 367 | pop eax |
367 | pop eax |
| 368 | push ecx ebx edx |
368 | push ecx ebx edx |
| 369 | add [ebp+EXTFS.superblock.blocksFree], ecx |
- | |
| 370 | mov edi, eax |
369 | mov edi, eax |
| 371 | shr edi, 5 |
370 | shr edi, 5 |
| 372 | shl edi, 2 |
371 | shl edi, 2 |
| 373 | add edi, ebx |
372 | add edi, ebx |
| 374 | and eax, 31 |
- | |
| 375 | mov edx, ecx |
373 | mov edx, ecx |
| - | 374 | and eax, 31 |
|
| - | 375 | jz .aligned |
|
| 376 | mov ecx, 32 |
376 | mov ecx, 32 |
| 377 | sub ecx, eax |
377 | sub ecx, eax |
| 378 | sub edx, ecx |
378 | sub edx, ecx |
| 379 | jnc @f |
379 | jnc @f |
| 380 | add ecx, edx |
380 | add ecx, edx |
| Line 385... | Line 385... | ||
| 385 | not ebx |
385 | not ebx |
| 386 | mov ecx, eax |
386 | mov ecx, eax |
| 387 | shl ebx, cl |
387 | shl ebx, cl |
| 388 | not ebx |
388 | not ebx |
| 389 | and [edi], ebx |
389 | and [edi], ebx |
| 390 | mov ecx, edx |
- | |
| 391 | jecxz @f |
- | |
| 392 | shr ecx, 5 |
- | |
| 393 | add edi, 4 |
390 | add edi, 4 |
| 394 | xor eax, eax |
391 | xor eax, eax |
| - | 392 | .aligned: |
|
| - | 393 | mov ecx, edx |
|
| - | 394 | shr ecx, 5 |
|
| 395 | rep stosd |
395 | rep stosd |
| 396 | and edx, 31 |
396 | and edx, 31 |
| - | 397 | jz @f |
|
| 397 | mov ecx, edx |
398 | mov ecx, edx |
| 398 | jecxz @f |
- | |
| 399 | not eax |
399 | not eax |
| 400 | shl eax, cl |
400 | shl eax, cl |
| 401 | and [edi], eax |
401 | and [edi], eax |
| 402 | @@: |
402 | @@: |
| 403 | pop eax ebx |
403 | pop eax ebx |
| 404 | call extfsWriteBlock |
404 | call extfsWriteBlock |
| 405 | pop ecx |
405 | pop ecx |
| 406 | mov eax, ecx |
406 | mov eax, ecx |
| - | 407 | add [ebp+EXTFS.superblock.blocksFree], ecx |
|
| 407 | mul [ebp+EXTFS.sectorsPerBlock] |
408 | mul [ebp+EXTFS.sectorsPerBlock] |
| 408 | sub [ebp+EXTFS.inodeBuffer.sectorsUsed], eax |
409 | sub [ebp+EXTFS.inodeBuffer.sectorsUsed], eax |
| 409 | .ret: |
410 | .ret: |
| 410 | pop edi edx ebx |
411 | pop edi edx ebx |
| 411 | xor eax, eax |
412 | xor eax, eax |
| Line 427... | Line 428... | ||
| 427 | push eax eax |
428 | push eax eax |
| 428 | mov esi, .forward ; search forward, then backward |
429 | mov esi, .forward ; search forward, then backward |
| 429 | .test_block_group: |
430 | .test_block_group: |
| 430 | call extfsReadDescriptor |
431 | call extfsReadDescriptor |
| 431 | jc .fail |
432 | jc .fail |
| - | 433 | cmp [ebx+BGDESCR.blocksFree], 0 |
|
| - | 434 | jz .next |
|
| 432 | dec [ebx+BGDESCR.inodesFree] |
435 | dec [ebx+BGDESCR.inodesFree] |
| 433 | js .next |
436 | js .next |
| 434 | mov edx, [ebx+BGDESCR.inodeBitmap] |
437 | mov edx, [ebx+BGDESCR.inodeBitmap] |
| 435 | mov eax, [esp] |
438 | mov eax, [esp] |
| 436 | call extfsWriteDescriptor |
439 | call extfsWriteDescriptor |
| Line 520... | Line 523... | ||
| 520 | not eax |
523 | not eax |
| 521 | bsf ecx, eax |
524 | bsf ecx, eax |
| 522 | not eax |
525 | not eax |
| 523 | shr eax, cl |
526 | shr eax, cl |
| 524 | shl eax, cl |
527 | shl eax, cl |
| 525 | bsf ebx, eax |
- | |
| 526 | jnz @f |
- | |
| 527 | mov ebx, 32 |
528 | mov ebx, 32 |
| 528 | @@: |
529 | bsf ebx, eax |
| 529 | sub ebx, ecx |
530 | sub ebx, ecx |
| 530 | mov eax, [esp+16] |
531 | mov eax, [esp+16] |
| 531 | cmp ebx, eax |
532 | cmp ebx, eax |
| 532 | jc @f |
533 | jc @f |
| 533 | mov ebx, eax |
534 | mov ebx, eax |
| 534 | @@: |
535 | @@: |
| 535 | xchg ebx, ecx |
- | |
| 536 | or eax, -1 |
536 | or eax, -1 |
| - | 537 | cmp ebx, 32 |
|
| - | 538 | jz @f |
|
| - | 539 | xchg ebx, ecx |
|
| 537 | shl eax, cl |
540 | shl eax, cl |
| 538 | not eax |
541 | not eax |
| 539 | xchg ebx, ecx |
542 | xchg ebx, ecx |
| 540 | shl eax, cl |
543 | shl eax, cl |
| - | 544 | @@: |
|
| 541 | or [esi], eax |
545 | or [esi], eax |
| 542 | sub esi, [ebp+EXTFS.tempBlockBuffer] |
546 | sub esi, [ebp+EXTFS.tempBlockBuffer] |
| 543 | shl esi, 3 |
547 | shl esi, 3 |
| 544 | add esi, ecx |
548 | add esi, ecx |
| 545 | mov eax, [esp+16] |
549 | mov eax, [esp+16] |
| Line 587... | Line 591... | ||
| 587 | shr ecx, 2 |
591 | shr ecx, 2 |
| 588 | dec ecx |
592 | dec ecx |
| 589 | or eax, -1 |
593 | or eax, -1 |
| 590 | rep stosd |
594 | rep stosd |
| 591 | mov ecx, ebx |
595 | mov ecx, ebx |
| - | 596 | neg ecx |
|
| 592 | shl eax, cl |
597 | add ecx, 32 |
| 593 | not eax |
598 | shr eax, cl |
| 594 | or [edi], eax |
599 | or [edi], eax |
| 595 | .done: |
600 | .done: |
| 596 | pop eax |
601 | pop eax |
| 597 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
602 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
| 598 | call extfsWriteBlock |
603 | call extfsWriteBlock |
| Line 819... | Line 824... | ||
| 819 | mov edi, ebx |
824 | mov edi, ebx |
| 820 | call fsGetTime |
825 | call fsGetTime |
| 821 | add eax, 978307200 |
826 | add eax, 978307200 |
| 822 | mov [edi+INODE.inodeModified], eax |
827 | mov [edi+INODE.inodeModified], eax |
| 823 | pop eax |
828 | pop eax |
| - | 829 | cmp eax, ROOT_INODE |
|
| - | 830 | jnz @f |
|
| - | 831 | movzx ecx, [ebp+EXTFS.superblock.inodeSize] |
|
| - | 832 | mov esi, edi |
|
| - | 833 | mov edi, [ebp+EXTFS.rootInodeBuffer] |
|
| - | 834 | rep movsb |
|
| - | 835 | @@: |
|
| 824 | call getInodeLocation |
836 | call getInodeLocation |
| 825 | jc .ret |
837 | jc .ret |
| 826 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
838 | mov ebx, [ebp+EXTFS.tempBlockBuffer] |
| 827 | mov ecx, eax |
839 | mov ecx, eax |
| 828 | call fs_read32_sys |
840 | call fs_read32_sys |
| 829 | test eax, eax |
841 | test eax, eax |
| 830 | jnz @f |
842 | jnz @f |
| 831 | mov eax, ecx |
843 | mov eax, ecx |
| 832 | mov esi, edi |
- | |
| 833 | movzx ecx, [ebp+EXTFS.superblock.inodeSize] |
844 | movzx ecx, [ebp+EXTFS.superblock.inodeSize] |
| 834 | mov edi, edx |
845 | mov edi, edx |
| 835 | add edi, ebx |
846 | add edi, ebx |
| - | 847 | mov esi, [esp] |
|
| 836 | rep movsb |
848 | rep movsb |
| 837 | call fs_write32_sys |
849 | call fs_write32_sys |
| 838 | .ret: |
850 | .ret: |
| 839 | pop ebx ecx esi edi edx |
851 | pop ebx ecx esi edi edx |
| 840 | ret |
852 | ret |