Subversion Repositories Kolibri OS

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;;

;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.

;; PROGRAMMING:

;; Ivan Poddubny

;; Marat Zakiyanov (Mario79)

;; VaStaNi

;; Trans

;; Mihail Semenyako (mike.dld)

;; Sergey Kuzmin (Wildwest)

;; Andrey Halyavin (halyavin)

;; Mihail Lisovin (Mihasik)

;; Andrey Ignatiev (andrew_programmer)

;; NoName

;; Evgeny Grechnikov (Diamond)

;; Iliya Mihailov (Ghost)

;; Sergey Semyonov (Serge)

;; Johnny_B

;; SPraid (simba)

;;

;; Data in this file was originally part of MenuetOS project which is

;; distributed under the terms of GNU GPL. It is modified and redistributed as

;; part of KolibriOS project under the terms of GNU GPL.

;;

;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa

;; PROGRAMMING:

;;

;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi

;; - main os coding/design

;; Jan-Michael Brummer, BUZZ2@gmx.de

;; Felix Kaiser, info@felix-kaiser.de

;; Paolo Minazzi, paolo.minazzi@inwind.it

;; quickcode@mail.ru

;; Alexey, kgaz@crosswinds.net

;; Juan M. Caravaca, bitrider@wanadoo.es

;; kristol@nic.fi

;; Mike Hibbett, mikeh@oceanfree.net

;; Lasse Kuusijarvi, kuusijar@lut.fi

;; Jarek Pelczar, jarekp3@wp.pl

;;

;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY

;; WARRANTY. No author or distributor accepts responsibility to anyone for the

;; consequences of using it or for whether it serves any particular purpose or

;; works at all, unless he says so in writing. Refer to the GNU General Public

;; License (the "GPL") for full details.

;

;; Everyone is granted permission to copy, modify and redistribute KolibriOS,

;; but only under the conditions described in the GPL. A copy of this license

;; is supposed to have been given to you along with KolibriOS so you can know

;; your rights and responsibilities. It should be in a file named COPYING.

;; Among other things, the copyright notice and this notice must be preserved

;; on all copies.

;;

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include 'macros.inc'

$Revision: 725 $

USE_COM_IRQ equ 0      ;make irq 3 and irq 4 available for PCI devices

include "proc32.inc"

include "kglobals.inc"

include "lang.inc"

include "const.inc"

max_processes    equ   255

tss_step         equ   (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4

os_stack       equ  (os_data_l-gdts)    ; GDTs

os_code        equ  (os_code_l-gdts)

graph_data     equ  (3+graph_data_l-gdts)

tss0           equ  (tss0_l-gdts)

app_code       equ  (3+app_code_l-gdts)

app_data       equ  (3+app_data_l-gdts)

pci_code_sel   equ  (pci_code_32-gdts)

pci_data_sel   equ  (pci_data_32-gdts)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;;

;;   Included files:

;;

;;   Kernel16.inc

;;    - Booteng.inc   English text for bootup

;;    - Bootcode.inc  Hardware setup

;;    - Pci16.inc     PCI functions

;;

;;   Kernel32.inc

;;    - Sys32.inc     Process management

;;    - Shutdown.inc  Shutdown and restart

;;    - Fat32.inc     Read / write hd

;;    - Vesa12.inc    Vesa 1.2 driver

;;    - Vesa20.inc    Vesa 2.0 driver

;;    - Vga.inc       VGA driver

;;    - Stack.inc     Network interface

;;    - Mouse.inc     Mouse pointer

;;    - Scincode.inc  Window skinning

;;    - Pci32.inc     PCI functions

;;

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;;                                                                      ;;

;;                  16 BIT ENTRY FROM BOOTSECTOR                        ;;

;;                                                                      ;;

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use16

                  org   0x0

                  jmp   start_of_code

version db    'Kolibri OS  version 0.7.1.0      ',13,10,13,10,0

include "boot/bootstr.inc"     ; language-independent boot messages

include "boot/preboot.inc"

if lang eq en

include "boot/booteng.inc"     ; english system boot messages

else if lang eq ru

include "boot/bootru.inc"      ; russian system boot messages

include "boot/ru.inc"          ; Russian font

else if lang eq et

include "boot/bootet.inc"      ; estonian system boot messages

include "boot/et.inc"          ; Estonian font

else

include "boot/bootge.inc"      ; german system boot messages

end if

include "boot/bootcode.inc"    ; 16 bit system boot code

include "bus/pci/pci16.inc"

include "detect/biosdisk.inc"

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;;                                                                      ;;

;;                  SWITCH TO 32 BIT PROTECTED MODE                     ;;

;;                                                                      ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

; CR0 Flags - Protected mode and Paging

        mov ecx, CR0_PE

; Enabling 32 bit protected mode

        sidt    [cs:old_ints_h]

        cli                             ; disable all irqs

        cld

        mov     al,255                  ; mask all irqs

        out     0xa1,al

        out     0x21,al

   l.5: in      al, 0x64                ; Enable A20

        test    al, 2

        jnz     l.5

        mov     al, 0xD1

        out     0x64, al

   l.6: in      al, 0x64

        test    al, 2

        jnz     l.6

        mov     al, 0xDF

        out     0x60, al

   l.7: in      al, 0x64

        test    al, 2

        jnz     l.7

        mov     al, 0xFF

        out     0x64, al

        lgdt    [cs:tmp_gdt]            ; Load GDT

        mov     eax, cr0                ; protected mode

        or      eax, ecx

        and     eax, 10011111b *65536*256 + 0xffffff ; caching enabled

        mov     cr0, eax

        jmp     pword os_code:B32       ; jmp to enable 32 bit mode

align 8

tmp_gdt:

        dw     23

        dd     tmp_gdt+0x10000

        dw     0

        dw     0xffff

        dw     0x0000

        db     0x00

        dw     11011111b *256 +10011010b

        db     0x00

        dw     0xffff

        dw     0x0000

        db     0x00

        dw     11011111b *256 +10010010b

        db     0x00

include "data16.inc"

use32

org $+0x10000

align 4

B32:

           mov   ax,os_stack       ; Selector for os

           mov   ds,ax

           mov   es,ax

           mov   fs,ax

           mov   gs,ax

           mov   ss,ax

           mov   esp,0x3ec00       ; Set stack

; CLEAR 0x280000 - HEAP_BASE

           xor   eax,eax

           mov   edi,0x280000

           mov   ecx,(HEAP_BASE-OS_BASE-0x280000) / 4

           cld

           rep   stosd