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Rev 346 Rev 357
Line 354... Line 354...
354 
        jne     no_mode_0x12
 354 
        jne     no_mode_0x12
355 
        mov     [0xe020],dword VGA_putpixel
 355 
        mov     [0xe020],dword VGA_putpixel
356 
        mov     [0xe024],dword Vesa20_getpixel32
 356 
        mov     [0xe024],dword Vesa20_getpixel32
357 
      no_mode_0x12:
 357 
      no_mode_0x12:
Line 358... Line -...
358 
 
 - 
 
359 
; MEMORY MODEL
 - 
 
360 
 
 - 
 
361 
           call mem_test
 - 
 
362 
 
 - 
 
363 
           mov [MEM_AMOUNT], eax
 - 
 
364 
 
 - 
 
365 
           mov [pg_data.mem_amount], eax
 - 
 
366 
           mov [pg_data.kernel_max], eax
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367 
 
 - 
 
368 
           shr eax, 12
 - 
 
369 
           mov edx, eax
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370 
           mov [pg_data.pages_count], eax
 - 
 
371 
           mov [pg_data.kernel_pages], eax
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372 
 
 - 
 
373 
           shr eax, 3
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374 
           mov [pg_data.pagemap_size], eax
 - 
 
375 
 
 - 
 
376 
           shr edx, 10
 - 
 
377 
           cmp edx, 3
 - 
 
378 
           ja @f
 - 
 
379 
           inc edx       ;at least 4Mb for kernel heap
 - 
 
380 
@@:
 - 
 
381 
           mov [pg_data.kernel_tables], edx
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382 
 
 - 
 
383 
; ENABLE PAGING
 - 
 
384 
 
 358 
 
385 
           call test_cpu
 359 
           call test_cpu
386 
;           btr [cpu_caps], CAPS_SSE    ;test: dont't use sse code
 360 
;           btr [cpu_caps], CAPS_SSE    ;test: dont't use sse code
Line 387... Line 361...
387 
;           btr [cpu_caps], CAPS_SSE2   ;test: don't use sse2
 361 
;           btr [cpu_caps], CAPS_SSE2   ;test: don't use sse2
Line 391... Line 365...
391 
;           btr [cpu_caps], CAPS_PSE    ;test: don't use large pages
 365 
;           btr [cpu_caps], CAPS_PSE    ;test: don't use large pages
392 
;           btr [cpu_caps], CAPS_PGE    ;test: don't use global pages
 366 
;           btr [cpu_caps], CAPS_PGE    ;test: don't use global pages
393 
;           btr [cpu_caps], CAPS_MTRR   ;test: don't use MTRR
 367 
;           btr [cpu_caps], CAPS_MTRR   ;test: don't use MTRR
394 
           bts [cpu_caps], CAPS_TSC     ;force use rdtsc
 368 
           bts [cpu_caps], CAPS_TSC     ;force use rdtsc
Line -... Line 369...
- 
 
 369 
 
- 
 
 370 
; MEMORY MODEL
395 
 
 371 
           call mem_test
396 
           call init_memEx
 372 
           call init_mem
Line -... Line 373...
- 
 
 373 
           call init_page_map
397 
           call init_page_map
 374 
 
398 
 
 375 
; ENABLE PAGING
Line 399... Line 376...
399 
           mov eax, sys_pgdir
 376 
           mov eax, sys_pgdir
400 
           mov cr3, eax
 377 
           mov cr3, eax
401 
 
 378 
 
Line 402... Line 379...
402 
           mov eax,cr0
 379 
           mov eax,cr0
- 
 
 380 
           or eax,CR0_PG
- 
 
 381 
           mov cr0,eax
403 
           or eax,CR0_PG
 382 
 
404 
           mov cr0,eax
 383 
           call init_kernel_heap
405 
 
 384 
           stdcall kernel_alloc, 0x2000
Line 406... Line 385...
406 
           call init_kernel_heap
 385 
           mov [os_stack], eax
Line 578... Line 557...
578 
; SET UP OS TASK
 557 
; SET UP OS TASK
Line 579... Line 558...
579 
 
 558 
 
580 
        mov  esi,boot_setostask
 559 
        mov  esi,boot_setostask
Line 581... Line 560...
581 
        call boot_log
 560 
        call boot_log
582 
 
 561 
 
583 
        mov eax, [fpu_data]
 562 
        mov eax, fpu_data
584 
        mov  dword [0x80000+APPDATA.fpu_state], eax
 563 
        mov  dword [0x80000+APPDATA.fpu_state], eax
Line 585... Line 564...
585 
        mov  dword [0x80000+APPDATA.fpu_handler], 0
 564 
        mov  dword [0x80000+APPDATA.fpu_handler], 0
Line 586... Line 565...
586 
        mov  dword [0x80000+APPDATA.sse_handler], 0
 565 
        mov  dword [0x80000+APPDATA.sse_handler], 0
587 
 
 566 
 
588 
        ; name for OS/IDLE process
 567 
        ; name for OS/IDLE process
- 
 
 568 
 
- 
 
 569 
        mov dword [0x80000+256+APPDATA.app_name],   dword 'OS/I'
589 
 
 570 
        mov dword [0x80000+256+APPDATA.app_name+4], dword 'DLE '
- 
 
 571 
        mov edi, [os_stack]
- 
 
 572 
        mov dword [0x80000+256+APPDATA.pl0_stack], edi
- 
 
 573 
        add edi, 0x2000-512
- 
 
 574 
        mov dword [0x80000+256+APPDATA.fpu_state], edi
- 
 
 575 
 
- 
 
 576 
        mov esi, fpu_data
590 
        mov  dword [0x80000+256+APPDATA.app_name],   dword 'OS/I'
 577 
        mov ecx, 512/4
591 
        mov  dword [0x80000+256+APPDATA.app_name+4], dword 'DLE '
 578 
        cld
Line -... Line 579...
- 
 
 579 
        rep movsd
- 
 
 580 
 
- 
 
 581 
        mov dword [0x80000+256+APPDATA.fpu_handler], 0
592 
        mov ebx, [def_cursor]
 582 
        mov dword [0x80000+256+APPDATA.sse_handler], 0
593 
        mov dword [0x80000+256+APPDATA.cursor], ebx
 583 
 
594 
        mov  dword [0x80000+256+APPDATA.fpu_handler], 0
 584 
        mov ebx, [def_cursor]
Line 595... Line -...
595 
        mov  dword [0x80000+256+APPDATA.sse_handler], 0
 - 
 
596 
 
 - 
 
597 
        mov ebx, PROC_BASE+256+APP_OBJ_OFFSET
 - 
 
598 
        mov  dword [0x80000+256+APPDATA.fd_obj], ebx
 - 
 
599 
        mov  dword [0x80000+256+APPDATA.bk_obj], ebx
 - 
 
600 
 
 - 
 
601 
 
 - 
 
602 
;set fpu save area
 - 
 
603 
        mov esi, eax
 - 
 
604 
        bt [cpu_caps], CAPS_SSE
 - 
 
605 
        jnc .no_sse
 - 
 
606 
 
 - 
 
607 
        lea edi, [eax+512]
 - 
 
608 
        mov  dword [PROC_BASE+256+APPDATA.fpu_state], edi
 - 
 
609 
        mov ecx, 512/4
 - 
 
610 
        jmp @F
 - 
 
611 
.no_sse:
 - 
 
612 
        lea edi, [eax+112]
 585 
        mov dword [0x80000+256+APPDATA.cursor], ebx
613 
        mov  dword [PROC_BASE+256+APPDATA.fpu_state], edi
 586 
 
614 
        mov ecx, 112/4
 587 
        mov ebx, PROC_BASE+256+APP_OBJ_OFFSET
615 
@@:
 588 
        mov  dword [0x80000+256+APPDATA.fd_obj], ebx
Line 630... Line 603...
630 
        mov  [edi+TSS._ss0], os_data
 603 
        mov  [edi+TSS._ss0], os_data
631 
        mov  eax,cr3
 604 
        mov  eax,cr3
632 
        mov  [edi+TSS._cr3],eax
 605 
        mov  [edi+TSS._cr3],eax
633 
        mov  [edi+TSS._eip],osloop
 606 
        mov  [edi+TSS._eip],osloop
634 
        mov  [edi+TSS._eflags],dword 0x11202 ; sti and resume
 607 
        mov  [edi+TSS._eflags],dword 0x11202 ; sti and resume
- 
 
 608 
        mov eax, [os_stack]
- 
 
 609 
        add eax, 0x2000-512
635 
        mov  [edi+TSS._esp],sysint_stack_data + 4096*2 ; uses slot 1 stack
 610 
        mov  [edi+TSS._esp], eax
636 
        mov  [edi+TSS._cs],os_code
 611 
        mov  [edi+TSS._cs],os_code
637 
        mov  [edi+TSS._ss],os_data
 612 
        mov  [edi+TSS._ss],os_data
638 
        mov  [edi+TSS._ds],os_data
 613 
        mov  [edi+TSS._ds],os_data
639 
        mov  [edi+TSS._es],os_data
 614 
        mov  [edi+TSS._es],os_data
640 
        mov  [edi+TSS._fs],os_data
 615 
        mov  [edi+TSS._fs],os_data