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| 3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2007. 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: 848 $ |
8 | $Revision: 854 $ |
| 9 | 9 | ||
| 10 | 10 | ||
| Line 229... | Line 229... | ||
| 229 | endl |
229 | endl |
| Line 230... | Line 230... | ||
| 230 | 230 | ||
| 231 | cmp dword [LFBAddress], -1 |
231 | cmp dword [LFBAddress], -1 |
| 232 | jne @f |
232 | jne @f |
| 233 | mov [BOOT_VAR+0x901c],byte 2 |
233 | mov [BOOT_VAR+0x901c],byte 2 |
| 234 | stdcall alloc_pages, 0x280000 shr 12 |
234 | stdcall _alloc_pages, 0x280000 shr 12 |
| 235 | add eax, OS_BASE |
235 | add eax, OS_BASE |
| 236 | mov [LFBAddress], eax |
236 | mov [LFBAddress], eax |
| 237 | ret |
237 | ret |
| 238 | @@: |
238 | @@: |
| Line 323... | Line 323... | ||
| 323 | jae .grow |
323 | jae .grow |
| Line 324... | Line 324... | ||
| 324 | 324 | ||
| Line 325... | Line 325... | ||
| 325 | xchg esi, edi |
325 | xchg esi, edi |
| 326 | 326 | ||
| 327 | @@: |
327 | @@: |
| 328 | call alloc_page |
328 | call _alloc_page |
| Line 329... | Line 329... | ||
| 329 | test eax, eax |
329 | test eax, eax |
| Line 345... | Line 345... | ||
| 345 | jb @B |
345 | jb @B |
| 346 | .grow: |
346 | .grow: |
| 347 | pop edi |
347 | pop edi |
| 348 | pop esi |
348 | pop esi |
| 349 | @@: |
349 | @@: |
| 350 | call alloc_page |
350 | call _alloc_page |
| 351 | test eax, eax |
351 | test eax, eax |
| 352 | jz .exit |
352 | jz .exit |
| 353 | stdcall map_page,esi,eax,dword PG_UW |
353 | stdcall map_page,esi,eax,dword PG_UW |
| Line 354... | Line 354... | ||
| 354 | 354 | ||
| Line 475... | Line 475... | ||
| 475 | jz .check_ptab ;òàáëèöà ñòðàíèö íå ñîçäàíà |
475 | jz .check_ptab ;òàáëèöà ñòðàíèö íå ñîçäàíà |
| Line 476... | Line 476... | ||
| 476 | 476 | ||
| 477 | align 4 |
477 | align 4 |
| Line -... | Line 478... | ||
| - | 478 | .kernel_heap: |
|
| 478 | .kernel_heap: |
479 | |
| 479 | 480 | mov ecx, ebx |
|
| 480 | shr ebx, 22 |
481 | shr ebx, 22 |
| 481 | mov edx, [master_tab + ebx*4] |
482 | mov edx, [master_tab + ebx*4] |
| Line -... | Line 483... | ||
| - | 483 | test edx, PG_MAP |
|
| - | 484 | jz .check_ptab ;òàáëèöà ñòðàíèö íå ñîçäàíà |
|
| - | 485 | ||
| 482 | test edx, PG_MAP |
486 | shr ecx, 12 |
| 483 | jz .check_ptab ;òàáëèöà ñòðàíèö íå ñîçäàíà |
487 | mov eax, [page_tabs+ecx*4] |
| 484 | 488 | ||
| 485 | .check_ptab: |
489 | .check_ptab: |
| Line 486... | Line 490... | ||
| 486 | mov edx, [_sys_pdbr + ebx*4] |
490 | mov edx, [_sys_pdbr + ebx*4] |
| 487 | test edx, PG_MAP |
491 | test edx, PG_MAP |
| 488 | jnz @F |
492 | jnz @F |
| Line 489... | Line 493... | ||
| 489 | 493 | ||
| 490 | call alloc_page |
494 | call _alloc_page |
| Line 520... | Line 524... | ||
| 520 | mov eax, [page_tabs+ebx*4] |
524 | mov eax, [page_tabs+ebx*4] |
| 521 | test eax, 2 |
525 | test eax, 2 |
| 522 | jz .fail ;àäðåñ íå çàðåçåðâèðîâàí äëÿ ; |
526 | jz .fail ;àäðåñ íå çàðåçåðâèðîâàí äëÿ ; |
| 523 | ;èñïîëüçîâàíèÿ. Îøèáêà |
527 | ;èñïîëüçîâàíèÿ. Îøèáêà |
| 524 | .alloc: |
528 | .alloc: |
| 525 | call alloc_page |
529 | call _alloc_page |
| 526 | test eax, eax |
530 | test eax, eax |
| 527 | jz .fail |
531 | jz .fail |
| Line 528... | Line 532... | ||
| 528 | 532 | ||
| Line 564... | Line 568... | ||
| 564 | jae .fail |
568 | jae .fail |
| Line 565... | Line 569... | ||
| 565 | 569 | ||
| 566 | ; io permission map |
570 | ; io permission map |
| Line 567... | Line 571... | ||
| 567 | ; copy-on-write protection |
571 | ; copy-on-write protection |
| 568 | 572 | ||
| 569 | call alloc_page |
573 | call _alloc_page |
| Line 570... | Line 574... | ||
| 570 | test eax, eax |
574 | test eax, eax |
| 571 | jz .fail |
575 | jz .fail |
| Line 1178... | Line 1182... | ||
| 1178 | 1182 | ||
| 1179 | mov ebx, [size] |
1183 | mov ebx, [size] |
| 1180 | shr ebx, 12 |
1184 | shr ebx, 12 |
| Line 1181... | Line 1185... | ||
| 1181 | push ebx |
1185 | push ebx |
| 1182 | 1186 | ||
| Line 1183... | Line 1187... | ||
| 1183 | stdcall alloc_pages, ebx |
1187 | stdcall _alloc_pages, ebx |
| 1184 | pop ecx |
1188 | pop ecx |