Rev 2010 | Rev 2217 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2010 | Rev 2130 | ||
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| 3 | ;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2009. 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: 2010 $ |
8 | $Revision: 2130 $ |
| 9 | 9 | ||
| Line 212... | Line 212... | ||
| 212 | ; ebx= linear address |
212 | ; ebx= linear address |
| 213 | ; ecx= count |
213 | ; ecx= count |
| Line 214... | Line 214... | ||
| 214 | 214 | ||
| 215 | align 4 |
215 | align 4 |
| 216 | commit_pages: |
- | |
| 217 | push edi |
216 | commit_pages: |
| 218 | test ecx, ecx |
217 | test ecx, ecx |
| Line -... | Line 218... | ||
| - | 218 | jz .fail |
|
| - | 219 | ||
| 219 | jz .fail |
220 | push edi |
| 220 | 221 | push eax |
|
| 221 | mov edi, ebx |
222 | push ecx |
| - | 223 | mov ecx, pg_data.mutex |
|
| - | 224 | call mutex_lock |
|
| Line 222... | Line 225... | ||
| 222 | mov ebx, pg_data.pg_mutex |
225 | pop ecx |
| 223 | call wait_mutex ;ebx |
226 | pop eax |
| 224 | 227 | ||
| 225 | mov edx, 0x1000 |
228 | mov edi, ebx |
| 226 | mov ebx, edi |
- | |
| 227 | shr ebx, 12 |
229 | shr edi, 12 |
| 228 | @@: |
230 | lea edi, [page_tabs+edi*4] |
| 229 | mov [page_tabs+ebx*4], eax |
- | |
| 230 | ; push eax |
231 | @@: |
| 231 | invlpg [edi] |
232 | stosd |
| 232 | ; pop eax |
- | |
| 233 | add edi, edx |
- | |
| 234 | add eax, edx |
233 | invlpg [ebx] |
| 235 | inc ebx |
- | |
| 236 | dec ecx |
234 | add eax, 0x1000 |
| 237 | jnz @B |
235 | add ebx, 0x1000 |
| - | 236 | loop @B |
|
| - | 237 | ||
| - | 238 | pop edi |
|
| - | 239 | ||
| 238 | mov [pg_data.pg_mutex],ecx |
240 | mov ecx, pg_data.mutex |
| Line 239... | Line 241... | ||
| 239 | .fail: |
241 | call mutex_unlock |
| 240 | pop edi |
242 | .fail: |
| 241 | ret |
243 | ret |
| Line 242... | Line 244... | ||
| 242 | 244 | ||
| 243 | 245 | ||
| Line -... | Line 246... | ||
| - | 246 | ; param |
|
| 244 | ; param |
247 | ; eax= base |
| 245 | ; eax= base |
248 | ; ecx= count |
| 246 | ; ecx= count |
249 | |
| Line 247... | Line 250... | ||
| 247 | 250 | align 4 |
|
| 248 | align 4 |
251 | release_pages: |
| Line 249... | Line 252... | ||
| 249 | release_pages: |
252 | |
| 250 | 253 | push ebp |
|
| - | 254 | push esi |
|
| - | 255 | push edi |
|
| - | 256 | push ebx |
|
| - | 257 | ||
| - | 258 | mov esi, eax |
|
| Line 251... | Line 259... | ||
| 251 | pushad |
259 | mov edi, eax |
| 252 | mov ebx, pg_data.pg_mutex |
260 | |
| 253 | call wait_mutex ;ebx |
261 | shr esi, 12 |
| 254 | 262 | lea esi, [page_tabs+esi*4] |
|
| 255 | mov esi, eax |
263 | |
| 256 | mov edi, eax |
264 | push ecx |
| 257 | - | ||
| 258 | shr esi, 10 |
265 | mov ecx, pg_data.mutex |
| 259 | add esi, page_tabs |
- | |
| Line 260... | Line 266... | ||
| 260 | 266 | call mutex_lock |
|
| 261 | mov ebp, [pg_data.pages_free] |
267 | pop ecx |
| Line 262... | Line 268... | ||
| 262 | mov ebx, [page_start] |
268 | |
| Line 283... | Line 289... | ||
| 283 | 289 | ||
| 284 | mov ebx, eax |
290 | mov ebx, eax |
| 285 | .next: |
291 | .next: |
| 286 | add edi, 0x1000 |
292 | add edi, 0x1000 |
| 287 | add esi, 4 |
- | |
| 288 | dec ecx |
293 | add esi, 4 |
| - | 294 | loop @B |
|
| 289 | jnz @B |
295 | |
| 290 | mov [pg_data.pages_free], ebp |
296 | mov [pg_data.pages_free], ebp |
| - | 297 | mov ecx, pg_data.mutex |
|
| - | 298 | call mutex_unlock |
|
| - | 299 | ||
| 291 | and [pg_data.pg_mutex],0 |
300 | pop ebx |
| - | 301 | pop edi |
|
| - | 302 | pop esi |
|
| 292 | popad |
303 | pop ebp |
| Line 293... | Line 304... | ||
| 293 | ret |
304 | ret |
| 294 | 305 | ||
| 295 | ; param |
306 | ; param |
| Line 421... | Line 432... | ||
| 421 | endp |
432 | endp |
| Line 422... | Line 433... | ||
| 422 | 433 | ||
| 423 | align 4 |
434 | align 4 |
| Line 424... | Line 435... | ||
| 424 | proc new_mem_resize stdcall, new_size:dword |
435 | proc new_mem_resize stdcall, new_size:dword |
| 425 | 436 | ||
| Line 426... | Line 437... | ||
| 426 | mov ebx, pg_data.pg_mutex |
437 | mov ecx, pg_data.mutex |
| 427 | call wait_mutex ;ebx |
438 | call mutex_lock |
| 428 | 439 | ||
| 429 | mov edi, [new_size] |
440 | mov edi, [new_size] |
| Line 462... | Line 473... | ||
| 462 | 473 | ||
| 463 | .update_size: |
474 | .update_size: |
| 464 | mov ebx, [new_size] |
475 | mov ebx, [new_size] |
| Line -... | Line 476... | ||
| - | 476 | call update_mem_size |
|
| - | 477 | ||
| - | 478 | mov ecx, pg_data.mutex |
|
| 465 | call update_mem_size |
479 | call mutex_unlock |
| 466 | - | ||
| 467 | xor eax, eax |
480 | |
| 468 | dec [pg_data.pg_mutex] |
481 | xor eax, eax |
| Line 469... | Line 482... | ||
| 469 | ret |
482 | ret |
| 470 | .expand: |
483 | .expand: |
| Line 537... | Line 550... | ||
| 537 | .out_of_memory: |
550 | .out_of_memory: |
| 538 | ;//- |
551 | ;//- |
| 539 | pop edi |
552 | pop edi |
| 540 | pop esi |
553 | pop esi |
| 541 | .exit: |
554 | .exit: |
| - | 555 | mov ecx, pg_data.mutex |
|
| - | 556 | call mutex_unlock |
|
| - | 557 | ||
| 542 | xor eax, eax |
558 | xor eax, eax |
| 543 | inc eax |
559 | inc eax |
| 544 | dec [pg_data.pg_mutex] |
- | |
| 545 | ret |
560 | ret |
| 546 | endp |
561 | endp |
| Line 547... | Line 562... | ||
| 547 | 562 | ||
| 548 | update_mem_size: |
563 | update_mem_size: |