Subversion Repositories Kolibri OS

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;;

;; Copyright (C) KolibriOS team 2004-2016. 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)

;; Hidnplayr

;; Alexey Teplov ()

;; Rus

;; Nable

;; shurf

;; Alver

;; Maxis

;; Galkov

;; CleverMouse

;; tsdima

;; turbanoff

;; Asper

;; art_zh

;;

;; 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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format binary as "mnt"

include 'macros.inc'

include 'struct.inc'

$Revision: 7129 $

USE_COM_IRQ     equ 1      ; make irq 3 and irq 4 available for PCI devices

VESA_1_2_VIDEO  equ 0      ; enable vesa 1.2 bank switch functions

; Enabling the next line will enable serial output console

;debug_com_base  equ 0x3f8  ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used

include "proc32.inc"

include "kglobals.inc"

include "lang.inc"

include "encoding.inc"

include "const.inc"

iglobal

; The following variable, if equal to 1, duplicates debug output to the screen.

debug_direct_print db 0

; Start the first app (LAUNCHER) after kernel is loaded? (1=yes, 2 or 0=no)

launcher_start db 1

endg

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)

app_tls        equ  (3+tls_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

;;

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

; In bios boot mode the kernel code below is appended to bootbios.bin file.

; That is a loading and initialization code that also draws the blue screen

; menu with svn revision number near top right corner of the screen. This fasm

; preprocessor code searches for '****' signature inside bootbios.bin and

; places revision number there.

if ~ defined UEFI

  bootbios:

  file 'bootbios.bin'

  if __REV__ > 0

    cur_pos = 0

    cnt = 0

    repeat $ - bootbios

      load a byte from %

      if a = '*'

        cnt = cnt + 1

      else

        cnt = 0

      end if

      if cnt = 4

        cur_pos = % - 1

        break

      end if

    end repeat

    store byte ' ' at cur_pos + 1

    rev_var = __REV__

    while rev_var > 0

      store byte rev_var mod 10 + '0' at cur_pos

      cur_pos = cur_pos - 1

      rev_var = rev_var / 10

    end while

      store byte ' ' at cur_pos

      store dword ' SVN' at cur_pos - 4

  end if

end if

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, TMP_STACK_TOP       ; Set stack

; CLEAR 0x280000 - HEAP_BASE

        xor     eax, eax

        mov     edi, CLEAN_ZONE

        mov     ecx, (HEAP_BASE-OS_BASE-CLEAN_ZONE) / 4

        cld

        rep stosd

; CLEAR KERNEL UNDEFINED GLOBALS

        mov     edi, endofcode-OS_BASE

        mov     ecx, 0x90000

        sub     ecx, edi

        shr     ecx, 2

        rep stosd

; SAVE & CLEAR 0-0xffff

        mov     edi, 0x1000

        mov     ecx, 0x8000 / 4

        rep stosd

        mov     edi, 0xa000

        mov     ecx, 0x6000 / 4

        rep stosd

        call    test_cpu

        bts     [cpu_caps-OS_BASE], CAPS_TSC    ;force use rdtsc

        call    check_acpi

        call    init_hpet

        call    init_BIOS32

; MEMORY MODEL

        call    mem_test

        call    init_mem

        call    init_page_map

; ENABLE PAGING

        mov     eax, sys_proc-OS_BASE+PROC.pdt_0

        mov     cr3, eax

        mov     eax, cr0

        or      eax, CR0_PG+CR0_WP

        mov     cr0, eax

        lgdt    [gdts]

        jmp     pword os_code:high_code

align 4

bios32_entry    dd ?

tmp_page_tabs   dd ?

use16

ap_init16:

        cli

        lgdt    [cs:gdts_ap-ap_init16]

        mov     eax, [cs:cr3_ap-ap_init16]

        mov     cr3, eax

        mov     eax, [cs:cr4_ap-ap_init16]

        mov     cr4, eax

        mov     eax, CR0_PE+CR0_PG+CR0_WP

        mov     cr0, eax

        jmp     pword os_code:ap_init_high

align 16

gdts_ap:

        dw     gdte-gdts-1

        dd     gdts

        dw     0

cr3_ap  dd     ?

cr4_ap  dd     ?

ap_init16_size = $ - ap_init16