Rev 363 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
164 | serge | 1 | |
357 | serge | 2 | |
164 | serge | 3 | |
4 | proc mem_test |
||
5 | |||
214 | serge | 6 | |
164 | serge | 7 | and eax, not (CR0_CD+CR0_NW) |
212 | serge | 8 | or eax, CR0_CD ;disable caching |
214 | serge | 9 | mov cr0, eax |
164 | serge | 10 | wbinvd ;invalidate cache |
214 | serge | 11 | |
164 | serge | 12 | |
214 | serge | 13 | mov ebx, 'TEST' |
164 | serge | 14 | @@: |
15 | add edi, 0x400000 |
||
16 | xchg ebx, dword [edi] |
||
17 | cmp dword [edi], 'TEST' |
||
18 | xchg ebx, dword [edi] |
||
19 | je @b |
||
20 | mov [MEM_AMOUNT], edi |
||
357 | serge | 21 | |
164 | serge | 22 | |
212 | serge | 23 | mov cr0, eax |
164 | serge | 24 | mov eax, edi |
25 | mov [LFBSize], 0x00800000 |
||
214 | serge | 26 | ret |
164 | serge | 27 | endp |
28 | |||
29 | |||
30 | proc init_mem |
||
357 | serge | 31 | |
32 | |||
33 | |||
34 | |||
35 | mov [pg_data.kernel_max], eax |
||
36 | |||
37 | |||
38 | mov edx, eax |
||
39 | mov [pg_data.pages_count], eax |
||
40 | mov [pg_data.kernel_pages], eax |
||
41 | |||
42 | |||
43 | mov [pg_data.pagemap_size], eax |
||
44 | |||
45 | |||
46 | cmp edx, 3 |
||
47 | ja @f |
||
48 | inc edx ;at least 4Mb for kernel heap |
||
49 | @@: |
||
50 | mov [pg_data.kernel_tables], edx |
||
51 | |||
52 | |||
164 | serge | 53 | mov edi, sys_pgdir |
54 | mov ecx, 2048 |
||
55 | cld |
||
357 | serge | 56 | rep stosd |
164 | serge | 57 | |
58 | |||
357 | serge | 59 | bt [cpu_caps], CAPS_PSE |
164 | serge | 60 | jnc .no_PSE |
61 | |||
62 | |||
63 | or ebx, CR4_PSE |
||
64 | mov eax, PG_LARGE+PG_SW |
||
65 | bt [cpu_caps], CAPS_PGE |
||
66 | jnc @F |
||
67 | or eax, PG_GLOBAL |
||
68 | or ebx, CR4_PGE |
||
69 | @@: |
||
70 | mov cr4, ebx |
||
168 | serge | 71 | sub [pg_data.kernel_tables], 2 |
357 | serge | 72 | |
168 | serge | 73 | |
357 | serge | 74 | add eax, 0x00400000 |
164 | serge | 75 | mov [edx+4], eax |
357 | serge | 76 | add edx, 8 |
77 | |||
164 | serge | 78 | |
357 | serge | 79 | mov ecx, (HEAP_BASE-0x800000)/4096 |
80 | jmp .map_low |
||
81 | .no_PSE: |
||
164 | serge | 82 | mov eax, PG_SW |
83 | mov ecx, HEAP_BASE/4096 |
||
357 | serge | 84 | .map_low: |
164 | serge | 85 | mov edi, tmp_page_tab |
357 | serge | 86 | @@: ; |
87 | stosd |
||
88 | add eax, 0x1000 |
||
164 | serge | 89 | dec ecx |
90 | jnz @B |
||
357 | serge | 91 | |
164 | serge | 92 | |
93 | shl ecx, 10 |
||
357 | serge | 94 | xor eax, eax |
95 | rep stosd |
||
96 | |||
97 | |||
98 | mov eax, tmp_page_tab+PG_SW |
||
164 | serge | 99 | mov edi, edx |
357 | serge | 100 | |
164 | serge | 101 | |
102 | |||
103 | |||
357 | serge | 104 | add eax, 0x1000 |
164 | serge | 105 | dec ecx |
106 | jnz .map_kernel_tabs |
||
107 | |||
108 | |||
188 | serge | 109 | ret |
164 | serge | 110 | endp |
111 | |||
112 | |||
113 | proc init_page_map |
||
114 | |||
357 | serge | 115 | |
164 | serge | 116 | mov ecx, (HEAP_BASE/4096)/32 ;384/4 |
357 | serge | 117 | mov ebx, ecx |
118 | xor eax,eax |
||
164 | serge | 119 | cld |
120 | rep stosd |
||
121 | |||
122 | |||
123 | mov ecx, [pg_data.pagemap_size] |
||
124 | sub ecx, ebx |
||
357 | serge | 125 | shr ecx, 2 |
164 | serge | 126 | rep stosd |
127 | |||
128 | |||
357 | serge | 129 | mov edx, [pg_data.pages_count] |
164 | serge | 130 | mov ecx, [pg_data.kernel_tables] |
131 | add ecx, (HEAP_BASE/4096) and 31 |
||
357 | serge | 132 | sub edx, HEAP_BASE/4096 |
133 | sub edx, ecx |
||
164 | serge | 134 | mov [pg_data.pages_free], edx |
135 | |||
136 | |||
137 | mov ebx, ecx |
||
138 | shr ecx, 5 |
||
139 | rep stosd |
||
140 | |||
141 | |||
142 | mov ecx, ebx |
||
143 | and ecx, 31 |
||
144 | shl eax, cl |
||
145 | mov [page_start], edi; sys_pgmap+384 |
||
357 | serge | 146 | stosd |
164 | serge | 147 | |
148 | |||
149 | add ebx, [pg_data.pagemap_size] |
||
150 | mov [page_end], ebx |
||
151 | |||
152 | |||
153 | |||
154 | |||
155 | endp |
||
156 | |||
157 | |||
158 | proc alloc_page |
||
159 | |||
160 | |||
161 | cli |
||
162 | mov ebx, [page_start] |
||
163 | mov ecx, [page_end] |
||
164 | .l1: |
||
165 | bsf eax,[ebx]; |
||
166 | jnz .found |
||
167 | add ebx,4 |
||
168 | cmp ebx, ecx |
||
169 | jb .l1 |
||
170 | popfd |
||
171 | xor eax,eax |
||
172 | ret |
||
173 | .found: |
||
174 | btr [ebx], eax |
||
175 | mov [page_start],ebx |
||
176 | sub ebx, sys_pgmap |
||
177 | lea eax, [eax+ebx*8] |
||
254 | serge | 178 | shl eax, 12 |
164 | serge | 179 | dec [pg_data.pages_free] |
180 | popfd |
||
181 | ret |
||
182 | endp |
||
183 | |||
184 | |||
185 | proc alloc_pages stdcall, count:dword |
||
186 | pushfd |
||
187 | cli |
||
188 | mov eax, [count] |
||
189 | add eax, 7 |
||
190 | shr eax, 3 |
||
191 | mov [count], eax |
||
192 | cmp eax, [pg_data.pages_free] |
||
193 | ja .fail |
||
194 | |||
195 | |||
196 | mov ebx, [page_end] |
||
197 | .find: |
||
198 | mov edx, [count] |
||
199 | mov edi, ecx |
||
200 | .match: |
||
201 | cmp byte [ecx], 0xFF |
||
202 | jne .next |
||
203 | dec edx |
||
204 | jz .ok |
||
205 | inc ecx |
||
206 | cmp ecx,ebx |
||
207 | jb .match |
||
208 | .fail: xor eax, eax |
||
209 | popfd |
||
210 | ret |
||
211 | .next: |
||
212 | inc ecx |
||
213 | cmp ecx, ebx |
||
214 | jb .find |
||
215 | popfd |
||
216 | xor eax, eax |
||
217 | ret |
||
218 | .ok: |
||
219 | sub ecx, edi |
||
220 | inc ecx |
||
221 | mov esi, edi |
||
222 | xor eax, eax |
||
223 | rep stosb |
||
224 | sub esi, sys_pgmap |
||
225 | shl esi, 3+12 |
||
226 | mov eax, esi |
||
227 | mov ebx, [count] |
||
228 | shl ebx, 3 |
||
229 | sub [pg_data.pages_free], ebx |
||
230 | popfd |
||
231 | ret |
||
232 | endp |
||
233 | |||
234 | |||
235 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
||
236 | push ebx |
||
321 | diamond | 237 | mov eax, [phis_addr] |
164 | serge | 238 | and eax, not 0xFFF |
239 | or eax, [flags] |
||
240 | mov ebx, [lin_addr] |
||
241 | shr ebx, 12 |
||
242 | mov [page_tabs+ebx*4], eax |
||
365 | serge | 243 | mov eax, [lin_addr] |
164 | serge | 244 | invlpg [eax] |
245 | pop ebx |
||
321 | diamond | 246 | ret |
164 | serge | 247 | endp |
248 | |||
249 | |||
250 | map_space: ;not implemented |
||
281 | serge | 251 | |
252 | |||
253 | |||
254 | |||
255 | |||
256 | |||
257 | proc free_page |
||
164 | serge | 258 | ;arg: eax page address |
259 | pushfd |
||
260 | cli |
||
261 | shr eax, 12 ;page index |
||
262 | mov ebx, sys_pgmap |
||
263 | bts [ebx], eax ;that's all! |
||
264 | cmc |
||
291 | serge | 265 | adc [pg_data.pages_free], 0 |
328 | serge | 266 | shr eax, 3 |
164 | serge | 267 | and eax, not 3 ;dword offset from page_map |
268 | add eax, ebx |
||
269 | cmp [page_start], eax |
||
270 | ja @f |
||
271 | popfd |
||
272 | ret |
||
273 | @@: |
||
274 | mov [page_start], eax |
||
275 | popfd |
||
276 | ret |
||
277 | endp |
||
278 | |||
279 | |||
279 | serge | 280 | ; eax= page base + page flags |
328 | serge | 281 | ; ebx= liear address |
281 | serge | 282 | ; ecx= count |
283 | |||
284 | |||
285 | commit_pages: |
||
328 | serge | 286 | |
281 | serge | 287 | |
328 | serge | 288 | jz .fail |
289 | |||
281 | serge | 290 | |
328 | serge | 291 | mov ebx, pg_data.pg_mutex |
292 | call wait_mutex ;ebx |
||
293 | |||
294 | |||
295 | mov ebx, edi |
||
296 | shr ebx, 12 |
||
297 | @@: |
||
298 | mov [page_tabs+ebx*4], eax |
||
365 | serge | 299 | invlpg [edi] |
328 | serge | 300 | add edi, edx |
301 | add eax, edx |
||
302 | inc ebx |
||
303 | dec ecx |
||
304 | jnz @B |
||
305 | mov [pg_data.pg_mutex],ecx |
||
306 | .fail: |
||
307 | ret |
||
281 | serge | 308 | |
309 | |||
328 | serge | 310 | |
281 | serge | 311 | ; eax= base |
279 | serge | 312 | ; ecx= count |
281 | serge | 313 | |
279 | serge | 314 | |
164 | serge | 315 | release_pages: |
279 | serge | 316 | |
321 | diamond | 317 | |
318 | mov ebx, pg_data.pg_mutex |
||
279 | serge | 319 | call wait_mutex ;ebx |
320 | |||
321 | |||
322 | mov edi, eax |
||
323 | |||
324 | |||
325 | add esi, page_tabs |
||
365 | serge | 326 | |
328 | serge | 327 | |
328 | mov ebx, [page_start] |
||
279 | serge | 329 | mov edx, sys_pgmap |
330 | @@: |
||
331 | xor eax, eax |
||
332 | xchg eax, [esi] |
||
333 | invlpg [edi] |
||
334 | |||
335 | |||
336 | jz .next |
||
337 | |||
338 | |||
339 | bts [edx], eax |
||
340 | cmc |
||
291 | serge | 341 | adc ebp, 0 |
328 | serge | 342 | shr eax, 3 |
279 | serge | 343 | and eax, -4 |
344 | add eax, edx |
||
345 | cmp eax, ebx |
||
346 | jae .next |
||
347 | |||
348 | |||
349 | .next: |
||
350 | add edi, 0x1000 |
||
351 | add esi, 4 |
||
352 | dec ecx |
||
353 | jnz @B |
||
354 | mov [pg_data.pages_free], ebp |
||
328 | serge | 355 | and [pg_data.pg_mutex],0 |
279 | serge | 356 | popad |
321 | diamond | 357 | ret |
279 | serge | 358 | |
359 | |||
360 | proc map_page_table stdcall, lin_addr:dword, phis_addr:dword |
||
188 | serge | 361 | push ebx |
321 | diamond | 362 | mov ebx, [lin_addr] |
164 | serge | 363 | shr ebx, 22 |
364 | mov eax, [phis_addr] |
||
365 | and eax, not 0xFFF |
||
366 | or eax, PG_UW ;+PG_NOCACHE |
||
367 | mov dword [current_pgdir+ebx*4], eax |
||
188 | serge | 368 | mov eax, [lin_addr] |
164 | serge | 369 | shr eax, 10 |
370 | add eax, page_tabs |
||
365 | serge | 371 | invlpg [eax] |
164 | serge | 372 | pop ebx |
321 | diamond | 373 | ret |
164 | serge | 374 | endp |
375 | |||
376 | |||
377 | proc init_LFB |
||
378 | cmp dword [LFBAddress], -1 |
||
379 | jne @f |
||
380 | mov [0x2f0000+0x901c],byte 2 |
||
201 | serge | 381 | stdcall kernel_alloc, 0x280000 |
164 | serge | 382 | mov [LFBAddress], eax |
383 | ret |
||
384 | @@: |
||
385 | test [SCR_MODE],word 0100000000000000b |
||
386 | jnz @f |
||
211 | serge | 387 | mov [0x2f0000+0x901c],byte 2 |
388 | ret |
||
389 | @@: |
||
390 | call map_LFB |
||
164 | serge | 391 | ret |
392 | endp |
||
393 | |||
394 | |||
395 | proc map_LFB |
||
396 | locals |
||
397 | pg_count dd ? |
||
398 | endl |
||
399 | |||
400 | |||
401 | mov esi, [LFBAddress] |
||
402 | mov dword [exp_lfb+4], esi |
||
214 | serge | 403 | |
404 | |||
164 | serge | 405 | mov [pg_count], edi |
406 | shr edi, 10 |
||
407 | |||
408 | |||
409 | jnc .map_page_tables |
||
410 | mov ebx, esi |
||
411 | or esi, PG_LARGE+PG_UW |
||
412 | shr ebx, 20 |
||
413 | mov ecx, ebx |
||
414 | @@: |
||
415 | mov [sys_pgdir+ebx], esi |
||
416 | add ebx, 4 |
||
417 | add esi, 0x00400000 |
||
418 | dec edi |
||
419 | jnz @B |
||
420 | |||
421 | |||
207 | serge | 422 | jnc @F |
423 | or dword [sys_pgdir+ecx], PG_GLOBAL |
||
164 | serge | 424 | @@: |
207 | serge | 425 | mov eax, cr3 ;flush TLB |
164 | serge | 426 | mov cr3, eax |
427 | ret |
||
428 | |||
429 | |||
430 | |||
431 | |||
432 | call alloc_page |
||
433 | stdcall map_page_table, esi, eax |
||
188 | serge | 434 | add esi, 0x00400000 |
164 | serge | 435 | dec edi |
436 | jnz @B |
||
437 | |||
438 | |||
439 | mov esi, eax |
||
440 | shr esi, 10 |
||
441 | add esi, page_tabs |
||
365 | serge | 442 | or eax, PG_UW |
164 | serge | 443 | mov ecx, [pg_count] |
444 | shr ecx, 2 |
||
445 | .map: |
||
446 | mov [esi], eax |
||
447 | add eax, 0x1000 |
||
448 | mov [esi+4], eax |
||
449 | add eax, 0x1000 |
||
450 | mov [esi+8], eax |
||
451 | add eax, 0x1000 |
||
452 | mov [esi+12], eax |
||
453 | add eax, 0x1000 |
||
454 | add esi, 16 |
||
455 | sub ecx, 1 |
||
456 | jnz .map |
||
457 | |||
458 | |||
459 | mov cr3, eax |
||
460 | |||
461 | |||
462 | endp |
||
463 | |||
464 | |||
465 | proc new_mem_resize stdcall, new_size:dword |
||
466 | |||
467 | |||
276 | serge | 468 | call wait_mutex ;ebx |
469 | |||
164 | serge | 470 | |
471 | add edi,4095 |
||
472 | and edi,not 4095 |
||
473 | mov [new_size], edi |
||
474 | |||
475 | |||
476 | shl edx,8 |
||
477 | cmp [PROC_BASE+APPDATA.heap_base+edx],0 |
||
172 | serge | 478 | jne .exit |
479 | |||
480 | |||
481 | add esi, 4095 |
||
164 | serge | 482 | and esi, not 4095 |
483 | |||
484 | |||
485 | jae .expand |
||
486 | |||
487 | |||
488 | shr esi, 12 |
||
489 | @@: |
||
490 | mov eax, [page_tabs+0x00181000+edi*4] |
||
365 | serge | 491 | test eax, 1 |
164 | serge | 492 | jz .next |
493 | mov dword [page_tabs+0x00181000+edi*4], 2 |
||
365 | serge | 494 | mov ebx, edi |
164 | serge | 495 | shl ebx, 12 |
496 | invlpg [ebx+std_application_base_address] |
||
497 | call free_page |
||
498 | |||
499 | |||
500 | cmp edi, esi |
||
501 | jb @B |
||
502 | |||
503 | |||
504 | mov ebx, [new_size] |
||
294 | diamond | 505 | call update_mem_size |
506 | |||
164 | serge | 507 | |
508 | dec [pg_data.pg_mutex] |
||
509 | ret |
||
510 | |||
511 | |||
512 | add edi, new_app_base |
||
513 | add esi, new_app_base |
||
514 | |||
515 | |||
516 | push edi |
||
517 | |||
518 | |||
519 | and edi, not(0x3FFFFF) |
||
520 | add esi, 0x3FFFFF |
||
521 | and esi, not(0x3FFFFF) |
||
522 | |||
523 | |||
524 | jae .grow |
||
525 | |||
526 | |||
527 | |||
528 | |||
529 | call alloc_page |
||
530 | test eax, eax |
||
531 | jz .exit |
||
532 | |||
533 | |||
188 | serge | 534 | |
164 | serge | 535 | |
536 | shr edi, 10 |
||
537 | add edi, page_tabs |
||
365 | serge | 538 | mov ecx, 1024 |
164 | serge | 539 | xor eax, eax |
540 | cld |
||
541 | rep stosd |
||
542 | pop edi |
||
543 | |||
544 | |||
545 | cmp edi, esi |
||
546 | jb @B |
||
547 | .grow: |
||
548 | pop edi |
||
549 | pop esi |
||
550 | @@: |
||
551 | call alloc_page |
||
552 | test eax, eax |
||
553 | jz .exit |
||
554 | stdcall map_page,esi,eax,dword PG_UW |
||
555 | |||
556 | |||
557 | mov edi, esi |
||
558 | xor eax, eax |
||
559 | mov ecx, 1024 |
||
560 | cld |
||
561 | rep stosd |
||
562 | pop edi |
||
563 | |||
564 | |||
565 | cmp esi, edi |
||
566 | jb @B |
||
294 | diamond | 567 | |
164 | serge | 568 | |
569 | .exit: |
||
570 | xor eax, eax |
||
571 | inc eax |
||
572 | dec [pg_data.pg_mutex] |
||
573 | ret |
||
574 | endp |
||
575 | |||
576 | |||
294 | diamond | 577 | ; in: edx = slot shl 8 |
578 | ; ebx = new memory size |
||
579 | ; destroys eax,ecx,edx |
||
580 | |||
581 | |||
582 | ;search threads and update |
||
583 | ;application memory size infomation |
||
584 | mov ecx,[PROC_BASE+APPDATA.dir_table+edx] |
||
585 | mov eax,2 |
||
586 | |||
587 | |||
588 | ;eax = current slot |
||
589 | ;ebx = new memory size |
||
590 | ;ecx = page directory |
||
591 | cmp eax,[TASK_COUNT] |
||
592 | jg .search_threads_end |
||
593 | mov edx,eax |
||
594 | shl edx,5 |
||
595 | cmp word [CURRENT_TASK+edx+TASKDATA.state],9 ;if slot empty? |
||
596 | jz .search_threads_next |
||
597 | shl edx,3 |
||
598 | cmp [PROC_BASE+edx+APPDATA.dir_table],ecx ;if it is our thread? |
||
599 | jnz .search_threads_next |
||
600 | mov [PROC_BASE+edx+APPDATA.mem_size],ebx ;update memory size |
||
601 | .search_threads_next: |
||
602 | inc eax |
||
603 | jmp .search_threads |
||
604 | .search_threads_end: |
||
605 | ret |
||
606 | |||
607 | |||
285 | serge | 608 | ; eax= linear address |
609 | ; |
||
610 | ; retval |
||
611 | ; eax= phisical page address |
||
612 | |||
613 | |||
164 | serge | 614 | get_pg_addr: |
285 | serge | 615 | shr eax, 12 |
616 | mov eax, [page_tabs+eax*4] |
||
365 | serge | 617 | and eax, 0xFFFFF000 |
164 | serge | 618 | ret |
619 | |||
620 | |||
188 | serge | 621 | proc page_fault_handler |
164 | serge | 622 | pushad |
623 | |||
624 | |||
625 | mov eax, cr2 |
||
626 | push eax |
||
172 | serge | 627 | push ds |
164 | serge | 628 | push es |
188 | serge | 629 | |
164 | serge | 630 | |
631 | mov ds, ax |
||
632 | mov es, ax |
||
188 | serge | 633 | |
164 | serge | 634 | |
188 | serge | 635 | |
636 | |||
164 | serge | 637 | |
638 | |||
639 | jae .lfb_addr |
||
640 | |||
641 | |||
642 | jae .user_space |
||
643 | |||
644 | |||
188 | serge | 645 | jae .alloc |
646 | |||
647 | |||
164 | serge | 648 | jae .tab_space |
649 | |||
650 | |||
651 | |||
652 | |||
653 | shr ebx, 12 |
||
654 | mov ecx, ebx |
||
172 | serge | 655 | shr ecx, 10 |
656 | mov edx, [master_tab+ecx*4] |
||
657 | test edx, 1 |
||
658 | jz .fail |
||
659 | |||
660 | |||
365 | serge | 661 | test eax, 2 |
164 | serge | 662 | jz .fail |
172 | serge | 663 | .alloc: |
188 | serge | 664 | call alloc_page |
164 | serge | 665 | and eax, eax |
666 | jz .exit |
||
667 | |||
668 | |||
669 | |||
670 | |||
188 | serge | 671 | and edi, 0xFFFFF000 |
672 | mov ecx, 1024 |
||
164 | serge | 673 | xor eax, eax |
674 | cld |
||
188 | serge | 675 | rep stosd |
676 | .exit: |
||
164 | serge | 677 | pop es |
188 | serge | 678 | pop ds |
164 | serge | 679 | mov esp, ebp |
680 | popad |
||
681 | add esp, 4 |
||
682 | iretd |
||
683 | .fail: |
||
172 | serge | 684 | pop es |
188 | serge | 685 | pop ds |
172 | serge | 686 | mov esp, ebp |
687 | popad |
||
688 | add esp, 4 |
||
689 | |||
164 | serge | 690 | |
172 | serge | 691 | |
692 | |||
693 | jmp exc_c |
||
694 | iretd |
||
695 | |||
696 | |||
164 | serge | 697 | ; shr ebx, 12 |
188 | serge | 698 | ; mov eax, [page_tabs+ebx*4] |
365 | serge | 699 | ; shr ebx, 10 |
188 | serge | 700 | ; mov eax, [master_tab+ebx*4] |
701 | jmp .exit |
||
702 | .old_addr: |
||
164 | serge | 703 | ; shr ebx, 12 |
188 | serge | 704 | ; mov eax, [page_tabs+ebx*4] |
365 | serge | 705 | ; shr ebx, 10 |
188 | serge | 706 | ; mov eax, [master_tab+ebx*4] |
707 | jmp .exit |
||
708 | .lfb_addr: |
||
164 | serge | 709 | ; shr ebx, 22 |
188 | serge | 710 | ; ;mov ecx, [sys_page_dir] |
711 | ; mov eax, [master_tab+ebx*4] |
||
712 | jmp .exit |
||
713 | .tab_space: |
||
164 | serge | 714 | ; shr ebx, 12 |
188 | serge | 715 | ; mov eax, [page_tabs+ebx*4] |
365 | serge | 716 | ; shr ebx, 10 |
188 | serge | 717 | ; ;mov ecx, [sys_page_dir] |
718 | ; mov eax, [master_tab+ebx*4] |
||
719 | jmp .exit |
||
720 | endp |
||
164 | serge | 721 | |
722 | |||
723 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
724 | ofs:dword,buf_size:dword |
||
725 | mov eax, [buf_size] |
||
726 | test eax, eax |
||
727 | jz .exit |
||
728 | |||
729 | |||
730 | and eax, 0xFFFFF000 |
||
731 | |||
732 | |||
733 | mov ebx, [ofs] |
||
734 | shr ebx, 22 |
||
735 | mov esi, [ipc_pdir] |
||
736 | mov edi, [ipc_ptab] |
||
737 | mov eax, [esi+ebx*4] |
||
738 | and eax, 0xFFFFF000 |
||
739 | test eax, eax |
||
740 | jz .exit |
||
741 | stdcall map_page,edi,eax,dword PG_UW |
||
742 | ; inc ebx |
||
743 | ; add edi, 0x1000 |
||
744 | ; mov eax, [esi+ebx*4] |
||
745 | ; test eax, eax |
||
746 | ; jz @f |
||
747 | ; and eax, 0xFFFFF000 |
||
748 | ; stdcall map_page, edi, eax |
||
749 | |||
750 | |||
751 | and edi, 0xFFFFF000 |
||
752 | mov ecx, [buf_size] |
||
753 | add ecx, 4095 |
||
754 | shr ecx, 12 |
||
755 | inc ecx |
||
756 | |||
757 | |||
758 | shr edx, 12 |
||
759 | and edx, 0x3FF |
||
760 | mov esi, [ipc_ptab] |
||
761 | |||
762 | |||
763 | and eax, 0xFFFFF000 |
||
764 | test eax, eax |
||
765 | jz .exit |
||
766 | stdcall map_page,edi,eax,dword PG_UW |
||
767 | add edi, 0x1000 |
||
768 | inc edx |
||
769 | dec ecx |
||
770 | jnz .map |
||
771 | |||
772 | |||
773 | ret |
||
774 | endp |
||
775 | |||
776 | |||
777 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
778 | ofs:dword,buf_size:dword |
||
779 | mov eax, [buf_size] |
||
780 | test eax, eax |
||
781 | jz .exit |
||
782 | |||
783 | |||
784 | and eax, 0xFFFFF000 |
||
785 | |||
786 | |||
787 | mov ebx, [ofs] |
||
788 | shr ebx, 22 |
||
789 | mov esi, [proc_mem_pdir] |
||
790 | mov edi, [proc_mem_tab] |
||
791 | mov eax, [esi+ebx*4] |
||
792 | and eax, 0xFFFFF000 |
||
793 | test eax, eax |
||
794 | jz .exit |
||
795 | stdcall map_page,edi,eax,dword PG_UW |
||
796 | |||
797 | |||
798 | and edi, 0xFFFFF000 |
||
799 | mov ecx, [buf_size] |
||
800 | add ecx, 4095 |
||
801 | shr ecx, 12 |
||
802 | inc ecx |
||
803 | |||
804 | |||
805 | shr edx, 12 |
||
806 | and edx, 0x3FF |
||
807 | mov esi, [proc_mem_tab] |
||
808 | |||
809 | |||
810 | ; and eax, 0xFFFFF000 |
||
811 | ; test eax, eax |
||
812 | ; jz .exit |
||
813 | stdcall map_page,edi,eax,dword PG_UW |
||
814 | add edi, 0x1000 |
||
815 | inc edx |
||
816 | dec ecx |
||
817 | jnz .map |
||
818 | .exit: |
||
819 | ret |
||
820 | endp |
||
821 | |||
822 | |||
823 | |||
824 | |||
825 | |||
826 | ;input: |
||
827 | ; eax=1 - set ipc buffer area |
||
828 | ; ebx=address of buffer |
||
829 | ; ecx=size of buffer |
||
830 | ; eax=2 - send message |
||
831 | ; ebx=PID |
||
832 | ; ecx=address of message |
||
833 | ; edx=size of message |
||
834 | |||
835 | |||
836 | jne @f |
||
837 | call set_ipc_buff |
||
838 | mov [esp+36], eax |
||
839 | ret |
||
840 | @@: |
||
841 | cmp eax, 2 |
||
842 | jne @f |
||
843 | stdcall sys_ipc_send, ebx, ecx, edx |
||
844 | mov [esp+36], eax |
||
845 | ret |
||
846 | @@: |
||
847 | xor eax, eax |
||
848 | not eax |
||
849 | mov [esp+36], eax |
||
850 | ret |
||
851 | |||
852 | |||
853 | proc set_ipc_buff |
||
854 | |||
855 | |||
856 | shl eax,8 |
||
857 | add eax, PROC_BASE |
||
858 | pushf |
||
859 | cli |
||
860 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
861 | mov [eax+0xA4],ecx |
||
862 | |||
863 | |||
864 | add ecx, ebx |
||
865 | add ecx, 4095 |
||
866 | and ecx, not 4095 |
||
867 | |||
868 | |||
869 | add ebx, 0x1000 |
||
870 | cmp ebx, ecx |
||
871 | jna .touch |
||
872 | |||
873 | |||
874 | xor eax, eax |
||
875 | ret |
||
876 | endp |
||
877 | |||
878 | |||
879 | locals |
||
880 | dst_slot dd ? |
||
881 | dst_offset dd ? |
||
882 | buf_size dd ? |
||
883 | endl |
||
884 | |||
885 | |||
886 | cli |
||
887 | |||
888 | |||
889 | call pid_to_slot |
||
890 | test eax,eax |
||
891 | jz .no_pid |
||
892 | |||
893 | |||
894 | shl eax,8 |
||
895 | mov edi,[eax+PROC_BASE+0xa0] ;is ipc area defined? |
||
896 | test edi,edi |
||
897 | jz .no_ipc_area |
||
898 | |||
899 | |||
900 | add edi, new_app_base |
||
901 | and ebx, 0xFFF |
||
902 | mov [dst_offset], ebx |
||
903 | |||
904 | |||
905 | mov [buf_size], esi |
||
906 | |||
907 | |||
908 | edi, esi |
||
909 | |||
910 | |||
911 | add edi, [ipc_tmp] |
||
912 | cmp dword [edi], 0 |
||
913 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
914 | |||
227 | serge | 915 | |
164 | serge | 916 | mov edx, ebx |
917 | add ebx, 8 |
||
918 | add ebx, [msg_size] |
||
919 | cmp ebx, [buf_size] |
||
920 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
921 | |||
227 | serge | 922 | |
164 | serge | 923 | mov eax,[TASK_BASE] |
924 | mov eax, [eax+0x04] ;eax - our PID |
||
925 | mov edi, [dst_offset] |
||
926 | add edi, [ipc_tmp] |
||
927 | add edi, edx |
||
928 | mov [edi], eax |
||
929 | mov ecx, [msg_size] |
||
930 | |||
931 | |||
932 | add edi, 8 |
||
933 | mov esi, [msg_addr] |
||
934 | add esi, new_app_base |
||
935 | cld |
||
936 | rep movsb |
||
937 | |||
938 | |||
939 | mov edx, ebx |
||
940 | shr ebx, 12 |
||
941 | xor eax, eax |
||
942 | mov [page_tabs+ebx*4], eax |
||
365 | serge | 943 | invlpg [edx] |
164 | serge | 944 | |
945 | |||
946 | mov edx, ebx |
||
947 | shr ebx, 12 |
||
948 | xor eax, eax |
||
949 | mov [page_tabs+ebx*4], eax |
||
365 | serge | 950 | invlpg [edx] |
164 | serge | 951 | |
952 | |||
953 | mov edx, ebx |
||
954 | shr ebx, 12 |
||
955 | xor eax, eax |
||
956 | mov [page_tabs+ebx*4], eax |
||
365 | serge | 957 | invlpg [edx] |
164 | serge | 958 | |
959 | |||
960 | shl eax, 8 |
||
961 | or [eax+PROC_BASE+0xA8],dword 0x40 |
||
962 | cmp dword [check_idle_semaphore],20 |
||
963 | jge .ipc_no_cis |
||
964 | |||
965 | |||
966 | .ipc_no_cis: |
||
967 | popf |
||
968 | xor eax, eax |
||
969 | ret |
||
970 | .no_pid: |
||
971 | popf |
||
972 | mov eax, 4 |
||
973 | ret |
||
974 | .no_ipc_area: |
||
975 | popf |
||
976 | xor eax, eax |
||
977 | inc eax |
||
978 | ret |
||
979 | .ipc_blocked: |
||
980 | popf |
||
981 | mov eax, 2 |
||
982 | ret |
||
983 | .buffer_overflow: |
||
984 | popf |
||
985 | mov eax, 3 |
||
986 | ret |
||
987 | endp |
||
988 | |||
989 | |||
990 | sysfn_meminfo: |
||
170 | serge | 991 | |
164 | serge | 992 | |
170 | serge | 993 | cmp ebx, new_app_base |
172 | serge | 994 | jb .fail |
995 | |||
996 | |||
164 | serge | 997 | mov [ebx], eax |
170 | serge | 998 | shl eax, 12 |
172 | serge | 999 | mov [esp+36], eax |
1000 | mov ecx, [pg_data.pages_free] |
||
170 | serge | 1001 | mov [ebx+4], ecx |
1002 | mov edx, [pg_data.pages_faults] |
||
1003 | mov [ebx+8], edx |
||
1004 | mov esi, [heap_size] |
||
1005 | mov [ebx+12], esi |
||
1006 | mov edi, [heap_free] |
||
1007 | mov [ebx+16], edi |
||
1008 | mov eax, [heap_blocks] |
||
1009 | mov [ebx+20], eax |
||
1010 | mov ecx, [free_blocks] |
||
1011 | mov [ebx+24], ecx |
||
1012 | ret |
||
164 | serge | 1013 | .fail: |
172 | serge | 1014 | mov dword [esp+36], -1 |
1015 | ret |
||
1016 | |||
164 | serge | 1017 | |
1018 | new_services: |
||
1019 | |||
1020 | |||
1021 | jle sys_sheduler |
||
1022 | |||
1023 | |||
170 | serge | 1024 | jb .fail |
164 | serge | 1025 | ja @f |
1026 | |||
1027 | |||
188 | serge | 1028 | mov [esp+36], eax |
164 | serge | 1029 | ret |
1030 | @@: |
||
1031 | cmp eax, 12 |
||
1032 | ja @f |
||
1033 | |||
1034 | |||
1035 | mov [esp+36], eax |
||
1036 | ret |
||
1037 | @@: |
||
1038 | cmp eax, 13 |
||
1039 | ja @f |
||
1040 | add ebx, new_app_base |
||
188 | serge | 1041 | stdcall user_free, ebx |
164 | serge | 1042 | mov [esp+36], eax |
1043 | ret |
||
1044 | @@: |
||
1045 | cmp eax, 14 |
||
1046 | ja @f |
||
1047 | add ebx, new_app_base |
||
227 | serge | 1048 | cmp ebx, new_app_base |
172 | serge | 1049 | jb .fail |
1050 | stdcall get_event_ex, ebx, ecx |
||
227 | serge | 1051 | mov [esp+36], eax |
1052 | ret |
||
164 | serge | 1053 | @@: |
1054 | cmp eax, 15 |
||
1055 | ja @f |
||
1056 | mov ecx, [CURRENT_TASK] |
||
1057 | shl ecx, 8 |
||
1058 | mov eax, [ecx+PROC_BASE+APPDATA.fpu_handler] |
||
1059 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], ebx |
||
1060 | mov [esp+36], eax |
||
1061 | ret |
||
1062 | @@: |
||
1063 | cmp eax, 16 |
||
1064 | ja @f |
||
1065 | |||
1066 | |||
188 | serge | 1067 | jz .fail |
1068 | add ebx, new_app_base |
||
164 | serge | 1069 | cmp ebx, new_app_base |
172 | serge | 1070 | jb .fail |
1071 | stdcall get_service, ebx |
||
164 | serge | 1072 | mov [esp+36], eax |
1073 | ret |
||
1074 | @@: |
||
1075 | cmp eax, 17 |
||
1076 | ja @f |
||
1077 | stdcall srv_handlerEx, ebx |
||
1078 | mov [esp+36], eax |
||
1079 | ret |
||
1080 | @@: |
||
168 | serge | 1081 | cmp eax, 18 |
1082 | ja @f |
||
1083 | mov ecx, [CURRENT_TASK] |
||
1084 | shl ecx, 8 |
||
1085 | mov eax, [ecx+PROC_BASE+APPDATA.sse_handler] |
||
1086 | mov [ecx+PROC_BASE+APPDATA.sse_handler], ebx |
||
1087 | mov [esp+36], eax |
||
1088 | ret |
||
1089 | @@: |
||
164 | serge | 1090 | cmp eax, 19 |
198 | serge | 1091 | ja .fail |
227 | serge | 1092 | add ebx, new_app_base |
198 | serge | 1093 | cmp ebx, new_app_base |
1094 | jb .fail |
||
1095 | stdcall load_library, ebx |
||
1096 | mov [esp+36], eax |
||
1097 | ret |
||
1098 | |||
227 | serge | 1099 | |
164 | serge | 1100 | xor eax, eax |
1101 | mov [esp+36], eax |
||
1102 | ret |
||
1103 | |||
1104 | |||
1105 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1106 | |||
1107 | |||
1108 | jecxz .end |
||
1109 | |||
1110 | |||
1111 | |||
1112 | |||
1113 | mov esi,edi |
||
1114 | xor eax,eax |
||
1115 | repne scasb |
||
1116 | neg ecx ; cx = count - strlen |
||
1117 | add ecx,ebx ; strlen + count - strlen |
||
1118 | |||
1119 | |||
1120 | mov edi,esi |
||
1121 | mov esi,[str2] |
||
1122 | repe cmpsb |
||
1123 | mov al,[esi-1] |
||
1124 | xor ecx,ecx |
||
1125 | |||
1126 | |||
1127 | ja .str2_big |
||
1128 | je .end |
||
1129 | |||
1130 | |||
1131 | sub ecx,2 |
||
1132 | |||
1133 | |||
1134 | not ecx |
||
1135 | .end: |
||
1136 | mov eax,ecx |
||
1137 | ret |
||
1138 | endp |
||
1139 | |||
1140 | |||
1141 | proc test_cpu |
||
1142 | locals |
||
1143 | cpu_type dd ? |
||
166 | serge | 1144 | cpu_id dd ? |
1145 | cpu_Intel dd ? |
||
1146 | cpu_AMD dd ? |
||
1147 | endl |
||
164 | serge | 1148 | |
1149 | |||
1150 | xor eax, eax |
||
211 | serge | 1151 | mov [cpu_caps], eax |
1152 | mov [cpu_caps+4], eax |
||
1153 | |||
164 | serge | 1154 | |
1155 | pop eax |
||
1156 | mov ecx, eax |
||
1157 | xor eax, 0x40000 |
||
1158 | push eax |
||
1159 | popfd |
||
1160 | pushfd |
||
1161 | pop eax |
||
1162 | xor eax, ecx |
||
1163 | mov [cpu_type], CPU_386 |
||
1164 | jz .end_cpuid |
||
221 | serge | 1165 | push ecx |
164 | serge | 1166 | popfd |
1167 | |||
1168 | |||
1169 | mov eax, ecx |
||
1170 | xor eax, 0x200000 |
||
1171 | push eax |
||
1172 | popfd |
||
1173 | pushfd |
||
1174 | pop eax |
||
1175 | xor eax, ecx |
||
1176 | je .end_cpuid |
||
221 | serge | 1177 | mov [cpu_id], 1 |
164 | serge | 1178 | |
1179 | |||
1180 | cpuid |
||
1181 | mov [cpu_vendor], ebx |
||
1182 | mov [cpu_vendor+4], edx |
||
1183 | mov [cpu_vendor+8], ecx |
||
1184 | cmp ebx, dword [intel_str] |
||
1185 | jne .check_AMD |
||
1186 | cmp edx, dword [intel_str+4] |
||
1187 | jne .check_AMD |
||
1188 | cmp ecx, dword [intel_str+8] |
||
1189 | jne .check_AMD |
||
1190 | mov [cpu_Intel], 1 |
||
1191 | cmp eax, 1 |
||
1192 | jl .end_cpuid |
||
1193 | mov eax, 1 |
||
1194 | cpuid |
||
1195 | mov [cpu_sign], eax |
||
1196 | mov [cpu_info], ebx |
||
1197 | mov [cpu_caps], edx |
||
1198 | mov [cpu_caps+4],ecx |
||
1199 | |||
1200 | |||
1201 | and eax, 0x0f |
||
1202 | ret |
||
1203 | .end_cpuid: |
||
1204 | mov eax, [cpu_type] |
||
1205 | ret |
||
1206 | |||
1207 | |||
1208 | cmp ebx, dword [AMD_str] |
||
1209 | jne .unknown |
||
221 | serge | 1210 | cmp edx, dword [AMD_str+4] |
164 | serge | 1211 | jne .unknown |
221 | serge | 1212 | cmp ecx, dword [AMD_str+8] |
164 | serge | 1213 | jne .unknown |
221 | serge | 1214 | mov [cpu_AMD], 1 |
164 | serge | 1215 | cmp eax, 1 |
1216 | jl .unknown |
||
221 | serge | 1217 | mov eax, 1 |
164 | serge | 1218 | cpuid |
1219 | mov [cpu_sign], eax |
||
1220 | mov [cpu_info], ebx |
||
1221 | mov [cpu_caps], edx |
||
1222 | mov [cpu_caps+4],ecx |
||
1223 | shr eax, 8 |
||
1224 | and eax, 0x0f |
||
1225 | ret |
||
1226 | .unknown: |
||
221 | serge | 1227 | mov eax, 1 |
1228 | cpuid |
||
1229 | mov [cpu_sign], eax |
||
1230 | mov [cpu_info], ebx |
||
1231 | mov [cpu_caps], edx |
||
1232 | mov [cpu_caps+4],ecx |
||
1233 | shr eax, 8 |
||
1234 | and eax, 0x0f |
||
1235 | ret |
||
1236 | endp |
||
164 | serge | 1237 | |
1238 | |||
1239 | MEM_WC equ 1 ;write combined memory |
||
1240 | MEM_UC equ 0 ;uncached memory |
||
1241 | |||
1242 | |||
1243 | proc init_mtrr |
||
1244 | |||
1245 | |||
1246 | je .exit |
||
1247 | |||
1248 | |||
211 | serge | 1249 | jnc .exit |
1250 | |||
1251 | |||
164 | serge | 1252 | or eax, 0x60000000 ;disable caching |
1253 | mov cr0, eax |
||
1254 | wbinvd ;invalidate cache |
||
1255 | |||
1256 | |||
1257 | rdmsr ; |
||
1258 | push eax |
||
1259 | |||
1260 | |||
1261 | xor eax, eax |
||
1262 | mov ecx, 0x2FF |
||
1263 | wrmsr ;disable all MTRR |
||
1264 | |||
1265 | |||
1266 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1267 | xor edx, edx |
||
1268 | xor eax, eax |
||
1269 | mov ecx, 0x204 |
||
1270 | mov ebx, 6 |
||
1271 | @@: |
||
1272 | wrmsr ;disable unused MTRR |
||
1273 | inc ecx |
||
1274 | wrmsr |
||
1275 | inc ecx |
||
1276 | dec ebx |
||
1277 | jnz @b |
||
1278 | |||
1279 | |||
1280 | |||
1281 | |||
1282 | or eax, 0x800 ;set default memtype to UC |
||
1283 | and al, 0xF0 |
||
1284 | mov ecx, 0x2FF |
||
1285 | wrmsr ;and enable MTRR |
||
1286 | |||
1287 | |||
1288 | and eax, not 0x60000000 |
||
1289 | mov cr0, eax ; enable caching |
||
1290 | .exit: |
||
1291 | ret |
||
1292 | endp |
||
1293 | |||
1294 | |||
1295 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1296 | |||
1297 | |||
1298 | mov eax, [base] |
||
1299 | or eax, [mem_type] |
||
1300 | mov ecx, [reg] |
||
1301 | lea ecx, [0x200+ecx*2] |
||
1302 | wrmsr |
||
1303 | |||
1304 | |||
1305 | dec ebx |
||
1306 | mov eax, 0xFFFFFFFF |
||
1307 | mov edx, 0x0000000F |
||
1308 | sub eax, ebx |
||
1309 | sbb edx, 0 |
||
1310 | or eax, 0x800 |
||
1311 | inc ecx |
||
1312 | wrmsr |
||
1313 | ret |
||
1314 | endp |
||
1315 | |||
1316 | |||
172 | serge | 1317 | proc stall stdcall, delay:dword |
1318 | push ecx |
||
1319 | push edx |
||
1320 | push ebx |
||
1321 | push eax |
||
1322 | |||
1323 | |||
1324 | mul [stall_mcs] |
||
1325 | mov ebx, eax ;low |
||
1326 | mov ecx, edx ;high |
||
1327 | rdtsc |
||
1328 | add ebx, eax |
||
1329 | adc ecx,edx |
||
1330 | @@: |
||
1331 | rdtsc |
||
1332 | sub eax, ebx |
||
1333 | sbb edx, ecx |
||
1334 | jb @B |
||
1335 | |||
1336 | |||
1337 | pop ebx |
||
1338 | pop edx |
||
1339 | pop ecx |
||
1340 | ret |
||
1341 | endp |
||
1342 | |||
1343 | |||
164 | serge | 1344 | align 4 |
1345 | intel_str db "GenuineIntel",0 |
||
1346 | AMD_str db "AuthenticAMD",0 |
||
1347 | endg |
||
1348 | |||
1349 | |||
1350 | align 16 |
||
1351 | irq_tab rd 16 |
||
1352 | |||
1353 | |||
1354 | |||
1355 | |||
1356 | ipc_pdir rd 1 |
||
1357 | ipc_ptab rd 1 |
||
1358 | |||
1359 | |||
1360 | proc_mem_pdir rd 1 |
||
1361 | proc_mem_tab rd 1 |
||
1362 | |||
1363 | |||
1364 | tmp_task_ptab rd 1 |
||
1365 | |||
1366 | |||
1367 | LFBSize rd 1 |
||
214 | serge | 1368 | |
164 | serge | 1369 | |
172 | serge | 1370 | ;;CPUID information |
164 | serge | 1371 | |
1372 | |||
1373 | cpu_sign rd 1 |
||
1374 | cpu_info rd 1 |
||
1375 | |||
1376 | |||
221 | serge | 1377 | |
1378 | |||
1379 | cur_saved_data rb 4096 |
||
1380 | |||
1381 | |||
1382 | hw_cursor rd 1 |
||
233 | serge | 1383 | |
221 | serge | 1384 | |
1385 | scr_height rd 1 |
||
1386 | |||
1387 | |||
1388 | cur_saved_base rd 1 |
||
1389 | cur_saved_interl rd 1 |
||
1390 | cur_saved_w rd 1 |
||
1391 | cur_saved_h rd 1 |
||
1392 | |||
1393 | |||
164 | serge | 1394 | |
1395 | |||
1396 | align 16 |
||
1397 | fpu_data: |
||
357 | serge | 1398 | rb 512 |
1399 | |||
227 | serge | 1400 | |
276 | serge | 1401 | |
1402 | |||
227 | serge | 1403 | event_map rb 64 |
354 | serge | 1404 | mem_block_list rd 64 |
227 | serge | 1405 | mem_block_mask rd 2 |
1406 | |||
1407 | |||
278 | serge | 1408 | srv.bk rd 1 |
1409 | |||
1410 | |||
357 | serge | 1411 | mem_used.bk rd 1 |
1412 | |||
1413 | |||
164 | serge | 1414 | mem_block_start rd 1 |
1415 | mem_block_end rd 1 |
||
1416 | |||
279 | serge | 1417 | |
1418 | heap_size rd 1 |
||
170 | serge | 1419 | heap_free rd 1 |
1420 | heap_blocks rd 1 |
||
1421 | free_blocks rd 1 |
||
1422 | |||
164 | serge | 1423 | |
1424 | page_end rd 1 |
||
1425 | events rd 1 |
||
227 | serge | 1426 | event_start rd 1 |
1427 | event_end rd 1 |
||
1428 | event_uid rd 1 |
||
354 | serge | 1429 | sys_page_map rd 1 |
164 | serge | 1430 | os_stack rd 1 |
357 | serge | 1431 | endg |
164 | serge | 1432 | |
1433 | |||
328 | serge | 1434 | push eax |
1435 | push edx |
||
1436 | mov edx, 0x400 ;bocsh |
||
1437 | mov al,0xff ;bocsh |
||
1438 | out dx, al ;bocsh |
||
1439 | pop edx |
||
1440 | pop eax |
||
1441 | end if |
||
1442 | |||
164 | serge | 1443 | |
237 | serge | 1444 | k_strrchr: |
1445 | push eax |
||
1446 | xor eax,eax |
||
1447 | or ecx,-1 |
||
1448 | repne scasb |
||
1449 | add ecx,1 |
||
1450 | neg ecx |
||
1451 | sub edi,1 |
||
1452 | pop eax |
||
1453 | std |
||
1454 | repne scasb |
||
1455 | cld |
||
1456 | add edi,1 |
||
1457 | |||
1458 | |||
1459 | jne @F |
||
1460 | mov eax,edi |
||
1461 | ret |
||
1462 | @@: |
||
1463 | xor eax,eax |
||
1464 | ret |
||
1465 | |||
1466 | |||
1467 | proc k_strncpy stdcall, dest:dword, src:dword, maxlen:dword |
||
1468 | mov eax, [dest] |
||
1469 | mov esi, [src] |
||
1470 | mov ecx, [maxlen] |
||
1471 | test eax, eax |
||
1472 | jz .L9 |
||
1473 | test esi, esi |
||
1474 | jz .L9 |
||
1475 | test ecx, ecx |
||
1476 | jz .L9 |
||
1477 | |||
1478 | |||
1479 | jmp .L1 |
||
1480 | |||
1481 | |||
1482 | .L2: |
||
1483 | mov edx, [esi+eax] |
||
1484 | mov [eax], dl |
||
1485 | test dl, dl |
||
1486 | jz .L7 |
||
1487 | |||
1488 | |||
1489 | test dh, dh |
||
1490 | jz .L6 |
||
1491 | |||
1492 | |||
1493 | mov [eax+2],dl |
||
1494 | test dl, dl |
||
1495 | jz .L5 |
||
1496 | |||
1497 | |||
1498 | test dh, dh |
||
1499 | jz .L4 |
||
1500 | add eax, 4 |
||
1501 | .L1: |
||
1502 | sub ecx, 4 |
||
1503 | jae .L2 |
||
1504 | |||
1505 | |||
1506 | jz .L9 |
||
1507 | |||
1508 | |||
1509 | mov [eax], dl |
||
1510 | test dl, dl |
||
1511 | jz .L3 |
||
1512 | |||
1513 | |||
1514 | dec ecx |
||
1515 | jz .L9 |
||
1516 | |||
1517 | |||
1518 | mov [eax], dl |
||
1519 | test dl, dl |
||
1520 | jz .L3 |
||
1521 | |||
1522 | |||
1523 | dec ecx |
||
1524 | jz .L9 |
||
1525 | |||
1526 | |||
1527 | mov [eax], dl |
||
1528 | test dl, dl |
||
1529 | jz .L3 |
||
1530 | |||
1531 | |||
1532 | jmp .L9 |
||
1533 | |||
1534 | |||
1535 | inc eax |
||
1536 | |||
1537 | |||
1538 | inc eax |
||
1539 | |||
1540 | |||
1541 | inc eax |
||
1542 | .L7: |
||
1543 | add ecx,3 |
||
1544 | jz .L9 |
||
1545 | .L8: |
||
1546 | mov byte [ecx+eax], 0 |
||
1547 | .L3: |
||
1548 | dec ecx |
||
1549 | jnz .L8 |
||
1550 | .L9: |
||
1551 | ret |
||
1552 | endp |
||
1553 | |||
1554 | |||
1555 | |||
1556 | |||
1557 | |||
1558 | |||
1559 | mov eax,[esp+4] |
||
1560 | mov edx, 3 |
||
1561 | |||
1562 | |||
1563 | jz .L1 |
||
1564 | jp .L0 |
||
1565 | |||
1566 | |||
1567 | je .L2 |
||
1568 | |||
1569 | |||
1570 | cmp dh, byte [eax] |
||
1571 | |||
1572 | |||
1573 | |||
1574 | |||
1575 | xor edx, 2 |
||
1576 | |||
1577 | |||
1578 | .L0: |
||
1579 | cmp dh, [eax] |
||
1580 | je .L2 |
||
1581 | |||
1582 | |||
1583 | xor edx, edx |
||
1584 | |||
1585 | |||
1586 | mov ecx, [eax] |
||
1587 | add eax, 4 |
||
1588 | |||
1589 | |||
1590 | add ecx, magic |
||
1591 | |||
1592 | |||
1593 | jnc .L3 |
||
1594 | |||
1595 | |||
1596 | and edx, not magic |
||
1597 | jne .L3 |
||
1598 | |||
1599 | |||
1600 | add eax, 4 |
||
1601 | |||
1602 | |||
1603 | add ecx, magic |
||
1604 | dec edx |
||
1605 | jnc .L3 |
||
1606 | |||
1607 | |||
1608 | and edx, not magic |
||
1609 | jne .L3 |
||
1610 | |||
1611 | |||
1612 | add eax, 4 |
||
1613 | |||
1614 | |||
1615 | add ecx, magic |
||
1616 | |||
1617 | |||
1618 | jnc .L3 |
||
1619 | |||
1620 | |||
1621 | |||
1622 | |||
1623 | jne .L3 |
||
1624 | |||
1625 | |||
1626 | add eax, 4 |
||
1627 | |||
1628 | |||
1629 | add ecx, magic |
||
1630 | |||
1631 | |||
1632 | jnc .L3 |
||
1633 | |||
1634 | |||
1635 | |||
1636 | |||
1637 | je .L1 |
||
1638 | |||
1639 | |||
1640 | sub ecx, magic |
||
1641 | |||
1642 | |||
1643 | jz .L2 |
||
1644 | |||
1645 | |||
1646 | test ch, ch |
||
1647 | jz .L2 |
||
1648 | |||
1649 | |||
1650 | inc eax |
||
1651 | |||
1652 | |||
1653 | jz .L2 |
||
1654 | |||
1655 | |||
1656 | |||
1657 | |||
1658 | sub eax, [esp+4] |
||
1659 | ret |
||
1660 | |||
1661 | |||
1662 |