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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2015. 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: 7126 $
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$Revision: 7130 $
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acpi_locate:
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acpi_locate:
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        push    ebx
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        push    ebx
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        push    edi
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if defined UEFI
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        ; UEFI loader knows where RSDP is
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        mov     ebx, [BOOT_ACPI_RSDP]
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        test    ebx, ebx
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        jz      .done
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        push    edi
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        call    .check
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else
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        movzx   ebx, word [0x40E]
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        movzx   ebx, word [0x40E]
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        shl     ebx, 4
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        shl     ebx, 4
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@@:
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@@:
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        mov     ebx, ACPI_HI_RSDP_WINDOW_START
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        mov     ebx, ACPI_HI_RSDP_WINDOW_START
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        mov     edi, ACPI_HI_RSDP_WINDOW_END
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        mov     edi, ACPI_HI_RSDP_WINDOW_END
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        call    .check
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        call    .check
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end if
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.done:
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.done:
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        mov     eax, ebx
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        mov     eax, ebx
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        pop     edi
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        pop     edi
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        pop     ebx
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        pop     ebx