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Rev 2382 Rev 2540
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2012. 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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$Revision: 2382 $
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$Revision $
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        xor     esi, esi; esi will hold total amount of memory
 53 
        xor     esi, esi; esi will hold total amount of memory
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        xor     edx, edx; edx will hold maximum allocatable address
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        xor     edx, edx; edx will hold maximum allocatable address
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.calcmax:
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.calcmax:
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; round all to pages
 56 
; round all to pages
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        mov     eax, [edi]
 57 
        mov     eax, [edi]
- 
 
 58 
        cmp     [edi+16], byte 1
- 
 
 59 
        jne     .unusable
- 
 
 60 
 
58 
        test    eax, 0xFFF
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        test    eax, 0xFFF
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        jz      @f
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        jz      @f
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        neg     eax
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        neg     eax
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        and     eax, 0xFFF
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        and     eax, 0xFFF
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        add     [edi], eax
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        add     [edi], eax
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        sub     eax, [edi]
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        sub     eax, [edi]
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        mov     [edi+8], eax
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        mov     [edi+8], eax
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        add     esi, eax
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        add     esi, eax
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        jmp     .usable
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        jmp     .usable
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.unusable:
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.unusable:
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        and     dword [edi+8], 0
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;        and     dword [edi+8], 0
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.usable:
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.usable:
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        add     edi, 20
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        add     edi, 20
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        loop    .calcmax
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        loop    .calcmax
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.calculated:
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.calculated:
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        mov     [MEM_AMOUNT-OS_BASE], esi
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        mov     [MEM_AMOUNT-OS_BASE], esi
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 196 
 
194 
; scan through memory map and mark free areas as available
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; scan through memory map and mark free areas as available
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        mov     ebx, BOOT_VAR-OS_BASE + 0x9104
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        mov     ebx, BOOT_VAR-OS_BASE + 0x9104
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        mov     edx, [ebx-4]
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        mov     edx, [ebx-4]
- 
 
 200 
.scanmap:
- 
 
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        cmp     [ebx+16], byte 1
- 
 
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        jne     .next
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.scanmap:
 203 
 
198 
        mov     ecx, [ebx+8]
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        mov     ecx, [ebx+8]
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        shr     ecx, 12; ecx = number of pages
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        shr     ecx, 12; ecx = number of pages
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        jz      .next
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        jz      .next
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        mov     edi, [ebx]
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        mov     edi, [ebx]
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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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 441 
iglobal
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 442 
align 4
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acpi_lapic_base   dd 0xfee00000   ; default local apic base
- 
 
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endg
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 445 
 
435 
uglobal
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uglobal
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align 4
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align 4
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acpi_rsdp         rd 1
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acpi_rsdp         rd 1
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acpi_rsdt         rd 1
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acpi_rsdt         rd 1
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acpi_dev_data     rd 1
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acpi_dev_data     rd 1
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acpi_dev_size     rd 1
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acpi_dev_size     rd 1
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 454 
 
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acpi_rsdt_base    rd 1
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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_madt_base    rd 1
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acpi_ioapic_base  rd 1
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cpu_count         rd 1
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acpi_ioapic_base  rd 1
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smpt              rd 16
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endg
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endg
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450 
ACPI_HI_RSDP_WINDOW_START  equ 0x000E0000
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ACPI_HI_RSDP_WINDOW_START  equ 0x000E0000
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        push    esi
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        push    esi
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 505 
 
493 
        lea     ebx, [ecx+36]
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        lea     ebx, [ecx+36]
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        mov     esi, [ecx+4]
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        mov     esi, [ecx+4]
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 508 
        add     esi, ecx
495 
        add     esi, ecx
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align 4
496 
.next:
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.next:
497 
        mov     eax, [ebx]
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        mov     eax, [ebx]
498 
        cmp     [eax], edx
 512 
        cmp     [eax], edx
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        mov     eax, [ebx]
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        mov     eax, [ebx]
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        pop     esi
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        pop     esi
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        pop     ebx
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        pop     ebx
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        ret
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        ret
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 529 
 
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align 4
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align 4
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check_acpi:
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check_acpi:
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 532 
 
521 
        call    acpi_locate
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        call    acpi_locate
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 543 
 
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        mov     [acpi_madt_base-OS_BASE], eax
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        mov     [acpi_madt_base-OS_BASE], eax
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        mov     ecx, [eax+36]
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        mov     ecx, [eax+36]
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        mov     [acpi_lapic_base-OS_BASE], ecx
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- 
 
 548 
        mov     edi, smpt-OS_BASE
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        mov     ebx, [ecx+0x20]
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        shr     ebx, 24              ; read APIC ID
- 
 
 551 
 
- 
 
 552 
        mov     [edi], ebx           ; bootstrap always first
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        inc     [cpu_count-OS_BASE]
534 
        mov     [acpi_lapic_base-OS_BASE], ecx
 554 
        add     edi, 4
535 
 
 555 
 
536 
        lea     edx, [eax+44]
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        lea     edx, [eax+44]
537 
        mov     ecx, [eax+4]
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        mov     ecx, [eax+4]
538 
        add     ecx, eax
 558 
        add     ecx, eax
539 
.check:
 559 
.check:
540 
        mov     eax, [edx]
 560 
        mov     eax, [edx]
- 
 
 561 
        cmp     al, 0
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 562 
        jne     .io_apic
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 563 
 
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 564 
        shr     eax, 24              ; get APIC ID
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 565 
        cmp     eax, ebx             ; skip self
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        je      .next
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        test    [edx+4], byte 1      ; is enabled ?
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 569 
        jz      .next
- 
 
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 571 
        cmp     [cpu_count-OS_BASE], 16
- 
 
 572 
        jae     .next
541 
        cmp     al, 1
 573 
 
- 
 
 574 
        stosd                        ; store APIC ID
542 
        je      .ioapic
 575 
        inc     [cpu_count-OS_BASE]
543 
 
 576 
.next:
544 
.next:
 577 
        mov     eax, [edx]
545 
        movzx   eax, ah
 578 
        movzx   eax, ah
546 
        add     edx, eax
 579 
        add     edx, eax
547 
        cmp     edx, ecx
 580 
        cmp     edx, ecx
- 
 
 581 
        jb      .check
548 
        jb      .check
 582 
.done:
- 
 
 583 
        ret
- 
 
 584 
 
- 
 
 585 
.io_apic:
549 
.done:
 586 
        cmp     al, 1
550 
        ret
 587 
        jne     .next
551 
.ioapic:
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