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| Rev 365 | Rev 378 | ||
|---|---|---|---|
| Line 104... | Line 104... | ||
| 104 | add eax, 0x1000 |
104 | add eax, 0x1000 |
| 105 | dec ecx |
105 | dec ecx |
| 106 | jnz .map_kernel_tabs |
106 | jnz .map_kernel_tabs |
| 107 | 107 | ||
| Line 108... | Line 108... | ||
| 108 | mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW |
108 | mov dword [sys_pgdir+(page_tabs shr 20)], sys_pgdir+PG_SW |
| 109 | ret |
109 | ret |
| 110 | endp |
110 | endp |
| Line 111... | Line 111... | ||
| 111 | 111 | ||
| 112 | align 4 |
112 | align 4 |
| Line 363... | Line 363... | ||
| 363 | shr ebx, 22 |
363 | shr ebx, 22 |
| 364 | mov eax, [phis_addr] |
364 | mov eax, [phis_addr] |
| 365 | and eax, not 0xFFF |
365 | and eax, not 0xFFF |
| 366 | or eax, PG_UW ;+PG_NOCACHE |
366 | or eax, PG_UW ;+PG_NOCACHE |
| 367 | mov dword [current_pgdir+ebx*4], eax |
367 | mov dword [master_tab+ebx*4], eax |
| 368 | mov eax, [lin_addr] |
368 | mov eax, [lin_addr] |
| 369 | shr eax, 10 |
369 | shr eax, 10 |
| 370 | add eax, page_tabs |
370 | add eax, page_tabs |
| 371 | invlpg [eax] |
371 | invlpg [eax] |
| 372 | pop ebx |
372 | pop ebx |
| 373 | ret |
373 | ret |
| 374 | endp |
374 | endp |
| 375 | 375 | ||
| Line 376... | Line 376... | ||
| 376 | align 4 |
376 | align 4 |
| 377 | proc init_LFB |
377 | proc init_LFB |
| - | 378 | locals |
|
| - | 379 | pg_count dd ? |
|
| - | 380 | endl |
|
| - | 381 | ||
| 378 | cmp dword [LFBAddress], -1 |
382 | cmp dword [LFBAddress], -1 |
| 379 | jne @f |
383 | jne @f |
| 380 | mov [0x2f0000+0x901c],byte 2 |
384 | mov [0x2f0000+0x901c],byte 2 |
| 381 | stdcall kernel_alloc, 0x280000 |
385 | stdcall kernel_alloc, 0x280000 |
| 382 | mov [LFBAddress], eax |
386 | mov [LFBAddress], eax |
| Line 386... | Line 390... | ||
| 386 | jnz @f |
390 | jnz @f |
| 387 | mov [0x2f0000+0x901c],byte 2 |
391 | mov [0x2f0000+0x901c],byte 2 |
| 388 | ret |
392 | ret |
| 389 | @@: |
393 | @@: |
| 390 | call map_LFB |
394 | mov edx, LFB_BASE |
| 391 | ret |
- | |
| 392 | endp |
- | |
| 393 | - | ||
| 394 | align 4 |
- | |
| 395 | proc map_LFB |
- | |
| 396 | locals |
- | |
| 397 | pg_count dd ? |
- | |
| 398 | endl |
- | |
| 399 | - | ||
| 400 | mov edi, [LFBSize] |
- | |
| 401 | mov esi, [LFBAddress] |
395 | mov esi, [LFBAddress] |
| 402 | mov dword [exp_lfb+4], esi |
396 | mov edi, [LFBSize] |
| - | 397 | mov dword [exp_lfb+4], esi |
|
| 403 | 398 | ||
| Line 404... | Line 399... | ||
| 404 | shr edi, 12 |
399 | shr edi, 12 |
| 405 | mov [pg_count], edi |
400 | mov [pg_count], edi |
| 406 | shr edi, 10 |
401 | shr edi, 10 |
| Line 407... | Line 402... | ||
| 407 | 402 | ||
| 408 | bt [cpu_caps], CAPS_PSE |
403 | bt [cpu_caps], CAPS_PSE |
| 409 | jnc .map_page_tables |
- | |
| 410 | mov ebx, esi |
404 | jnc .map_page_tables |
| 411 | or esi, PG_LARGE+PG_UW |
405 | or esi, PG_LARGE+PG_UW |
| 412 | shr ebx, 20 |
406 | shr edx, 20 |
| 413 | mov ecx, ebx |
407 | mov ecx, edx |
| 414 | @@: |
408 | @@: |
| 415 | mov [sys_pgdir+ebx], esi |
409 | mov [sys_pgdir+edx], esi |
| 416 | add ebx, 4 |
410 | add edx, 4 |
| 417 | add esi, 0x00400000 |
411 | add esi, 0x00400000 |
| 418 | dec edi |
412 | dec edi |
| Line 419... | Line 413... | ||
| 419 | jnz @B |
413 | jnz @B |
| 420 | 414 | ||
| 421 | bt [cpu_caps], CAPS_PGE |
415 | bt [cpu_caps], CAPS_PGE |
| 422 | jnc @F |
416 | jnc @F |
| - | 417 | or dword [sys_pgdir+ecx], PG_GLOBAL |
|
| 423 | or dword [sys_pgdir+ecx], PG_GLOBAL |
418 | @@: |
| 424 | @@: |
419 | mov dword [LFBAddress], LFB_BASE |
| 425 | mov eax, cr3 ;flush TLB |
420 | mov eax, cr3 ;flush TLB |
| Line 426... | Line 421... | ||
| 426 | mov cr3, eax |
421 | mov cr3, eax |
| Line 427... | Line 422... | ||
| 427 | ret |
422 | ret |
| 428 | 423 | ||
| 429 | .map_page_tables: |
424 | .map_page_tables: |
| 430 | 425 | ||
| 431 | @@: |
426 | @@: |
| 432 | call alloc_page |
427 | call alloc_page |
| Line 433... | Line 428... | ||
| 433 | stdcall map_page_table, esi, eax |
428 | stdcall map_page_table, edx, eax |
| 434 | add esi, 0x00400000 |
- | |
| 435 | dec edi |
- | |
| 436 | jnz @B |
429 | add esi, 0x00400000 |
| 437 | 430 | dec edi |
|
| 438 | mov eax, [LFBAddress] |
431 | jnz @B |
| 439 | mov esi, eax |
432 | |
| 440 | shr esi, 10 |
- | |
| 441 | add esi, page_tabs |
- | |
| 442 | or eax, PG_UW |
- | |
| 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 |
433 | mov eax, [LFBAddress] |
| Line -... | Line 434... | ||
| - | 434 | mov edi, page_tabs + (LFB_BASE shr 10) |
|
| 452 | mov [esi+12], eax |
435 | or eax, PG_UW |
| 453 | add eax, 0x1000 |
436 | mov ecx, [pg_count] |
| Line 454... | Line 437... | ||
| 454 | add esi, 16 |
437 | cld |
| 455 | sub ecx, 1 |
438 | rep stosd |
| Line 486... | Line 469... | ||
| 486 | 469 | ||
| Line 487... | Line 470... | ||
| 487 | shr edi, 12 |
470 | shr edi, 12 |
| 488 | shr esi, 12 |
471 | shr esi, 12 |
| 489 | @@: |
472 | @@: |
| 490 | mov eax, [page_tabs+0x00181000+edi*4] |
473 | mov eax, [app_page_tabs+edi*4] |
| 491 | test eax, 1 |
474 | test eax, 1 |
| 492 | jz .next |
475 | jz .next |
| 493 | mov dword [page_tabs+0x00181000+edi*4], 2 |
476 | mov dword [app_page_tabs+edi*4], 2 |
| 494 | mov ebx, edi |
477 | mov ebx, edi |
| 495 | shl ebx, 12 |
478 | shl ebx, 12 |
| 496 | invlpg [ebx+std_application_base_address] |
479 | invlpg [ebx+std_application_base_address] |
| 497 | call free_page |
480 | call free_page |
| Line 634... | Line 617... | ||
| 634 | inc [pg_data.pages_faults] |
617 | inc [pg_data.pages_faults] |
| Line 635... | Line 618... | ||
| 635 | 618 | ||
| Line 636... | Line 619... | ||
| 636 | mov ebx, [ebp-4] |
619 | mov ebx, [ebp-4] |
| 637 | - | ||
| 638 | cmp ebx, 0xe0000000 |
- | |
| 639 | jae .lfb_addr |
- | |
| 640 | 620 | ||
| Line 641... | Line 621... | ||
| 641 | cmp ebx, 0x60400000 |
621 | cmp ebx, 0x80000000 |
| 642 | jae .user_space |
622 | jae .user_space |
| Line 643... | Line 623... | ||
| 643 | 623 | ||
| 644 | cmp ebx, master_tab+0x1000 |
624 | cmp ebx, app_page_tabs |
| Line -... | Line 625... | ||
| - | 625 | jae .alloc |
|
| - | 626 | ||
| - | 627 | cmp ebx, page_tabs |
|
| 645 | jae .alloc |
628 | jae .tab_space |
| Line 646... | Line 629... | ||
| 646 | 629 | ||
| 647 | cmp ebx, 0x60000000 |
630 | cmp ebx, 0x7DC00000 |
| 648 | jae .tab_space |
631 | jae .lfb_addr |
| Line 1073... | Line 1056... | ||
| 1073 | ret |
1056 | ret |
| 1074 | @@: |
1057 | @@: |
| 1075 | cmp eax, 17 |
1058 | cmp eax, 17 |
| 1076 | ja @f |
1059 | ja @f |
| 1077 | stdcall srv_handlerEx, ebx |
1060 | call srv_handlerEx ;ebx |
| 1078 | mov [esp+36], eax |
1061 | mov [esp+36], eax |
| 1079 | ret |
1062 | ret |
| 1080 | @@: |
1063 | @@: |
| 1081 | cmp eax, 18 |
1064 | cmp eax, 18 |
| 1082 | ja @f |
1065 | ja @f |
| 1083 | mov ecx, [CURRENT_TASK] |
1066 | mov ecx, [CURRENT_TASK] |