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Rev 1376 Rev 2382
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 1376 $
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$Revision: 2382 $
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           mov eax, PG_LARGE+PG_SW
 137 
        mov     eax, PG_LARGE+PG_SW
138 
           mov cr4, ebx
 138 
        mov     cr4, ebx
139 
           dec [pg_data.kernel_tables-OS_BASE]
 139 
        dec     [pg_data.kernel_tables-OS_BASE]
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 140 
 
141 
           mov [edx], eax
 - 
 
142 
           add eax, 0x00400000
 141 
        mov     [edx], eax
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           add edx, 4
 - 
 
144 
 
 142 
        add     edx, 4
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           mov eax, 0x400000+PG_SW
 - 
 
146 
           mov ecx, [tmp_page_tabs]
 143 
 
147 
           sub ecx, 0x400000
 - 
 
148 
           shr ecx, 12          ;ecx/=4096
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        mov     edi, [tmp_page_tabs]
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           jmp .map_low
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        jmp     .map_kernel_heap        ; new kernel fits to the first 4Mb - nothing to do with ".map_low"
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.no_PSE:
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.no_PSE:
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           mov eax, PG_SW
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        mov     eax, PG_SW
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           mov ecx, [tmp_page_tabs]
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        mov     ecx, [tmp_page_tabs]
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           stosd
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        stosd
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           add eax, 0x1000
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        add     eax, 0x1000
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           dec ecx
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        dec     ecx
160 
           jnz @B
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        jnz     @B
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.map_kernel_heap:
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           mov ecx, [pg_data.kernel_tables-OS_BASE]
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        mov     ecx, [pg_data.kernel_tables-OS_BASE]
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           shl ecx, 10
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        shl     ecx, 10
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           xor eax, eax
 161 
        xor     eax, eax
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           mov eax, [tmp_page_tabs]
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        mov     eax, [tmp_page_tabs]
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           or eax, PG_SW
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        or      eax, PG_SW
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           mov edi, edx
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        mov     edi, edx
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 168 
 
172 
.map_kernel_tabs:
 - 
 
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 169 
.map_kernel_tabs:
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           stosd
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        stosd
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           add eax, 0x1000
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        add     eax, 0x1000
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           dec ecx
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        dec     ecx
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 264 
 
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           mov ebx, sys_pgmap
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        mov     ebx, sys_pgmap
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           add ebx, [pg_data.pagemap_size-OS_BASE]
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        add     ebx, [pg_data.pagemap_size-OS_BASE]
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           mov [page_end-OS_BASE], ebx
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 267 
        mov     [page_end-OS_BASE], ebx
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           mov [pg_data.pg_mutex-OS_BASE], 0
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           ret
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        ret
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           movzx ecx, byte[edi + 9]
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        movzx   ecx, byte[edi + 9]
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           shl ecx, 4
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        shl     ecx, 4
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           mov esi, edi
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        mov     esi, edi
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           xor eax, eax
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        xor     eax, eax
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           cld   ; paranoia
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        cld      ; paranoia
- 
 
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@@:
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@@:	lodsb
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        lodsb
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           add ah, al
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        add     ah, al
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           loop @b
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        loop    @b
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           jnz .pcibios_nxt2 ; control summ must be zero
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        jnz     .pcibios_nxt2; control summ must be zero
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    ; BIOS32 service found !
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    ; BIOS32 service found !
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           mov ebp, [edi + 4]
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        mov     ebp, [edi + 4]
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           shr eax, 8
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        shr     eax, 8
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           and eax, 0x0f
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        and     eax, 0x0f
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           ret
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        ret
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endp
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endp
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uglobal
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align 4
- 
 
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acpi_rsdp         rd 1
- 
 
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acpi_rsdt         rd 1
- 
 
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acpi_madt         rd 1
- 
 
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- 
 
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acpi_dev_data     rd 1
- 
 
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acpi_dev_size     rd 1
- 
 
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- 
 
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acpi_rsdt_base    rd 1
- 
 
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acpi_madt_base    rd 1
- 
 
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acpi_lapic_base   rd 1
- 
 
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acpi_ioapic_base  rd 1
- 
 
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endg
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- 
 
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ACPI_HI_RSDP_WINDOW_START  equ 0x000E0000
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ACPI_HI_RSDP_WINDOW_END    equ 0x00100000
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ACPI_RSDP_CHECKSUM_LENGTH  equ 20
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ACPI_MADT_SIGN             equ 0x43495041
- 
 
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- 
 
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- 
 
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acpi_locate:
- 
 
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        push    ebx
- 
 
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        mov     ebx, ACPI_HI_RSDP_WINDOW_START
- 
 
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.check:
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        cmp     [ebx], dword 0x20445352
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        jne     .next
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        cmp     [ebx+4], dword 0x20525450
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        jne     .next
- 
 
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- 
 
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        mov     edx, ebx
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        mov     ecx, ACPI_RSDP_CHECKSUM_LENGTH
- 
 
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        xor     eax, eax
- 
 
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.sum:
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 469 
        add     al, [edx]
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 470 
        inc     edx
- 
 
 471 
        loop    .sum
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- 
 
 473 
        test    al, al
- 
 
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        jnz     .next
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- 
 
 476 
        mov     eax, ebx
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 477 
        pop     ebx
- 
 
 478 
        ret
- 
 
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.next:
- 
 
 480 
        add     ebx, 16
- 
 
 481 
        cmp     ebx, ACPI_HI_RSDP_WINDOW_END
- 
 
 482 
        jb      .check
- 
 
 483 
 
- 
 
 484 
        pop     ebx
- 
 
 485 
        xor     eax, eax
- 
 
 486 
        ret
- 
 
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- 
 
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align 4
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 489 
rsdt_find:           ;ecx= rsdt edx= SIG
- 
 
 490 
        push    ebx
- 
 
 491 
        push    esi
- 
 
 492 
 
- 
 
 493 
        lea     ebx, [ecx+36]
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        mov     esi, [ecx+4]
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        add     esi, ecx
- 
 
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.next:
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        mov     eax, [ebx]
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        cmp     [eax], edx
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        je      .done
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 500 
 
- 
 
 501 
        add     ebx, 4
- 
 
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        cmp     ebx, esi
- 
 
 503 
        jb      .next
- 
 
 504 
 
- 
 
 505 
        xor     eax, eax
- 
 
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        pop     esi
- 
 
 507 
        pop     ebx
- 
 
 508 
        ret
- 
 
 509 
 
- 
 
 510 
.done:
- 
 
 511 
        mov     eax, [ebx]
- 
 
 512 
        pop     esi
- 
 
 513 
        pop     ebx
- 
 
 514 
        ret
- 
 
 515 
 
- 
 
 516 
 
- 
 
 517 
align 4
- 
 
 518 
 
- 
 
 519 
check_acpi:
- 
 
 520 
 
- 
 
 521 
        call    acpi_locate
- 
 
 522 
        test    eax, eax
- 
 
 523 
        jz      .done
- 
 
 524 
 
- 
 
 525 
        mov     ecx, [eax+16]
- 
 
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        mov     edx, ACPI_MADT_SIGN
- 
 
 527 
        mov     [acpi_rsdt_base-OS_BASE], ecx
- 
 
 528 
        call    rsdt_find
- 
 
 529 
        test    eax, eax
- 
 
 530 
        jz      .done
- 
 
 531 
 
- 
 
 532 
        mov     [acpi_madt_base-OS_BASE], eax
- 
 
 533 
        mov     ecx, [eax+36]
- 
 
 534 
        mov     [acpi_lapic_base-OS_BASE], ecx
- 
 
 535 
 
- 
 
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        lea     edx, [eax+44]
- 
 
 537 
        mov     ecx, [eax+4]
- 
 
 538 
        add     ecx, eax
- 
 
 539 
.check:
- 
 
 540 
        mov     eax, [edx]
- 
 
 541 
        cmp     al, 1
- 
 
 542 
        je      .ioapic
- 
 
 543 
 
- 
 
 544 
.next:
- 
 
 545 
        movzx   eax, ah
- 
 
 546 
        add     edx, eax
- 
 
 547 
        cmp     edx, ecx
- 
 
 548 
        jb      .check
- 
 
 549 
.done:
- 
 
 550 
        ret
- 
 
 551 
.ioapic:
- 
 
 552 
        mov     eax, [edx+4]
- 
 
 553 
        mov     [acpi_ioapic_base-OS_BASE], eax