forked from KolibriOS/kolibrios
106 lines
2.0 KiB
NASM
106 lines
2.0 KiB
NASM
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format MS COFF
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include '../macros.inc'
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$Revision: 849 $
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__REV__ = __REV
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include "../proc32.inc"
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include "../kglobals.inc"
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include "../lang.inc"
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CR0_PE equ 0x00000001 ;protected mode
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CR0_WP equ 0x00010000 ;write protect
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CR0_PG equ 0x80000000 ;paging
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public _16bit_start
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public _16bit_end
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public _enter_bootscreen
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public _bx_from_load
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extrn __setvars
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section '.boot' code readable align 16
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_16bit_start:
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org 0
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use16
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_enter_bootscreen:
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mov eax, cr0
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and eax, not 0x80000001
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mov cr0, eax
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jmp far 0x1000:start_of_code
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version db 'Kolibri OS version 0.7.1.0 ',13,10,13,10,0
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include "bootstr.inc" ; language-independent boot messages
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include "preboot.inc"
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if lang eq en
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include "booteng.inc" ; english system boot messages
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else if lang eq ru
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include "bootru.inc" ; russian system boot messages
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include "ru.inc" ; Russian font
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else if lang eq et
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include "bootet.inc" ; estonian system boot messages
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include "et.inc" ; Estonian font
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else
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include "bootge.inc" ; german system boot messages
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end if
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include "../data16.inc"
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include "bootcode.inc" ; 16 bit system boot code
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include "../bus/pci/pci16.inc"
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include "../detect/biosdisk.inc"
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;include "boot/shutdown.inc" ; shutdown or restart
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cli
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mov eax, cr0
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or eax, CR0_PG+CR0_WP+CR0_PE
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mov cr0, eax
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jmp pword 0x08:__setvars
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align 4
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_enter_16bit:
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mov eax, cr0
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and eax, not 0x80000001
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mov cr0, eax
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jmp far 0x1000:@F
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align 4
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_leave_16bit:
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cli
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mov eax, cr0
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or eax, CR0_PG+CR0_WP+CR0_PE
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mov cr0, eax
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hlt
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align 4
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@@:
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mov eax, 0x3000
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mov ss, ax
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mov esp, 0xEC00
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mov ebx, 0x1000
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mov ds, bx
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mov es, bx
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cli
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hlt
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align 4
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_16bit_end:
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