WebSVN – Kolibri OS – Diff – /kernel/branches/Kolibri-A/trunk/kernel.asm


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Copyright (C) KolibriOS team 2004-2013. 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 ()
;; Artem Jerdev (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.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
include 'macros.inc'
 
$Revision: 3519 $
 
 
USE_COM_IRQ	equ 1	   ; make irq 3 and irq 4 available for PCI devices
 
include "proc32.inc"
include "kglobals.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)
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
;;    - Bootcode.inc  Hardware setup
;;
;;   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
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                                      ;;
;;                  16 BIT ENTRY FROM BOOTSECTOR                        ;;
;;                                                                      ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
use16
		  org	0x0
		  jmp	start_of_code
 
version db    'Kolibri-A   version 0.1.0.0      ',13,10,13,10,0
 
diff16 "bootcode start: ",0,$
include "boot/bootcode.inc"    ; 16 bit system boot code
 
diff16 "biosdisk start: ",0,$
include "detect/biosdisk.inc"
 
diff16 "end of code16 : ",0,$
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                                      ;;
;;                  SWITCH TO 32 BIT PROTECTED MODE                     ;;
;;                                                                      ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
switch_32:
; 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
 
diff10 "32bit enter sz :",switch_32,$
diff16 "data16   start :",0,$
 
include "data16.inc"
 
 
use32
org $+0x10000
 
align 4
B32:
diff16 "32-bit code start ",0,$
	   mov	 ax,os_stack	   ; Selector for os
	   mov	 ds,ax
	   mov	 es,ax
	   mov	 fs,ax
	   mov	 gs,ax
	   mov	 ss,ax
	   mov	 esp,0x4ec00	   ; Set stack
 
;-------------------------------------------------------------------------------
	   call preinit_mem	; (init.inc)
 
	   call test_cpu	; (init.inc - to be moved to bus/CPU.inc)
	   bts [cpu_caps-OS_BASE], CAPS_TSC	;force use rdtsc
 
	   call init_BIOS32	; (init.inc - to be removed later)
 
; PCIe extended config space access
 
	display '** Platform chosen (const.inc): '
if PLATFORM>PLATFORM_RS780
	call fusion_pcie_init	; (bus/HT.inc)
	display 'RS880/Fusion '
else
	call rs7xx_pcie_init	; (bus/HT.inc)
	display 'RS780 '
end if
	display 10,13
 
 
; MEMORY MODEL
	   call init_mem	; (init.inc)
 
; ENABLE PAGING
 
	   mov eax, sys_pgdir-OS_BASE
	   mov cr3, eax
 
	   mov eax,cr0
	   or eax,CR0_PG+CR0_WP
	   mov cr0,eax
 
	   lgdt [gdts]
	   jmp pword os_code:high_code
 
diff16 "32-bit init size ",B32,$
 
align 4
bios32_entry	dd ?
tmp_page_tabs	dd ?
 
 
__DEBUG__ fix 1
__DEBUG_LEVEL__ fix 1
include 'init.inc'
 
org OS_BASE+$
 
align 4
high_code:
	   mov ax, os_stack
	   mov bx, app_data
	   mov cx, app_tls
	   mov ss, ax
	   add esp, OS_BASE
 
	   mov ds, bx
	   mov es, bx
	   mov fs, cx
	   mov gs, bx
 
	   bt [cpu_caps], CAPS_PGE
	   jnc @F
 
	   or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
 
	   mov ebx, cr4
	   or ebx, CR4_PGE
	   mov cr4, ebx
@@:
	   xor eax, eax
	   mov dword [sys_pgdir], eax
	   mov dword [sys_pgdir+4], eax
 
	   mov eax, cr3
	   mov cr3, eax 	  ; flush TLB
 
; SAVE REAL MODE VARIABLES
	xor	eax, eax
	mov	[IDEContrRegsBaseAddr], ax
; -----------------------------------------
	inc	eax
;        mov     al, [BOOT_VAR+0x901F]           ; DMA access
	mov	[allow_dma_access], al
	mov	eax, 32 			; << bpp
	mov	[ScreenBPP],al
	mov	[_display.bpp], eax
 
	mov	[_display.vrefresh], 60
	mov	[_display.disable_mouse],  __sys_disable_mouse
 
	mov	eax, 1024			; << X max
	mov	[_display.width], eax
	dec	eax
	mov	[Screen_Max_X],eax
	mov	[screen_workarea.right],eax
	mov	eax,768 			; << Y max
	mov	[_display.height], eax
	dec	eax
	mov	[Screen_Max_Y],eax
	mov	[screen_workarea.bottom],eax
	mov	eax, 0x7055			; << screen mode
	mov	[SCR_MODE],eax
 
	mov	eax, 4096			; << may be different!
	mov	[BytesPerScanLine],ax
	mov	[_display.pitch], eax
 
	mov	eax, [_display.width]
	mul	[_display.height]
	mov	[_WinMapSize], eax
 
	mov	esi, BOOT_VAR+0x9080
	movzx	ecx, byte [esi-1]
	mov	[NumBiosDisks], ecx
	mov	edi, BiosDisksData
	rep	movsd
 
 
; GRAPHICS ADDRESSES
 
	and	byte [BOOT_VAR+0x901e],0x0
	mov	eax, [BOOT_VAR+0x9018]
	mov	[LFBAddress],eax
 
	mov	[PUTPIXEL],dword __sys_putpixel
	mov	[GETPIXEL],dword get_pixel
 
; -------- Fast System Call init ----------
.SEnP:
; AMD SYSCALL/SYSRET
	   mov ecx, MSR_AMD_EFER
	   rdmsr
	   or eax, 1   ; bit_0 - System Call Extension (SCE)
	   wrmsr
 
	; Bits of EDX :
	; Bit 31..16 During the SYSRET instruction, this field is copied into the CS register
	;  and the contents of this field, plus 8, are copied into the SS register.
	; Bit 15..0 During the SYSCALL instruction, this field is copied into the CS register
	;  and the contents of this field, plus 8, are copied into the SS register.
 
	   mov edx, 0x1B000B	; RING3 task stack will be used for fast syscalls!
 
	   mov eax, syscall_entry
	   mov ecx, MSR_AMD_STAR
	   wrmsr
.noSYSCALL:
; -----------------------------------------
	stdcall alloc_page
	stdcall map_page, tss-0xF80, eax, PG_SW 	; lower 0xF80 bytes might be used for something
	stdcall alloc_page
	inc	eax
	mov	[SLOT_BASE+256+APPDATA.io_map], eax
	stdcall map_page, tss+0x80, eax, PG_SW
	stdcall alloc_page
	inc	eax
	mov	dword [SLOT_BASE+256+APPDATA.io_map+4], eax
	stdcall map_page, tss+0x1080, eax, PG_SW
 
; LOAD IDT
 
	   call 	build_interrupt_table ;lidt is executed
 
	   call 	init_kernel_heap
	   stdcall	kernel_alloc, RING0_STACK_SIZE+512
	   mov	[os_stack_seg], eax
 
	   lea	esp, [eax+RING0_STACK_SIZE]
 
	   mov	[tss._ss0], os_stack
	   mov	[tss._esp0], esp
	   mov	[tss._esp], esp
	   mov	[tss._cs],os_code
	   mov	[tss._ss],os_stack
	   mov	[tss._ds],app_data
	   mov	[tss._es],app_data
	   mov	[tss._fs],app_data
	   mov	[tss._gs],app_data
	   mov	[tss._io],128
;Add IO access table - bit array of permitted ports
	   mov	edi, tss._io_map_0
	   xor	eax, eax
	   mov	ecx, 2047
	   rep	stosd		     ; access to 65504 ports granted
	   not	eax		     ; the last 32 ports blocked
	   stosd
 
	   mov	ax,tss0
	   ltr	ax
 
	   mov	[LFBSize], 0x800000
	   call init_LFB
	   call init_fpu
	   call init_malloc
;-
	   stdcall alloc_kernel_space, 0x51000
	   mov	[default_io_map], eax
 
	   add	eax, 0x2000
	   mov	[ipc_tmp], eax
	   mov	ebx, 0x1000
 
	   add	eax, 0x40000
	   mov	[proc_mem_map], eax
 
	   add	eax, 0x8000
	   mov	[proc_mem_pdir], eax
 
	   add	eax, ebx
	   mov	[proc_mem_tab], eax
 
	   add	eax, ebx
	   mov	[tmp_task_pdir], eax
 
	   add	eax, ebx
	   mov	[tmp_task_ptab], eax
 
	   add	eax, ebx
	   mov	[ipc_pdir], eax
 
	   add	eax, ebx
	   mov	[ipc_ptab], eax
 
	   stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
				 (unpack.lc+unpack.lp)))*4
 
	   mov	[unpack.p], eax     ; unpacker.inc
 
	   call init_events
	   mov	eax, srv.fd-SRV_FD_OFFSET
	   mov	[srv.fd], eax
	   mov	[srv.bk], eax
 
	   mov	edi, irq_tab
	   xor	eax, eax
	   mov	ecx, 16
	   rep	stosd
 
;Set base of graphic segment to linear address of LFB
	mov	eax,[LFBAddress]	  ; set for gs
	mov	[graph_data_l+2],ax
	shr	eax,16
	mov	[graph_data_l+4],al
	mov	[graph_data_l+7],ah
 
;       or      [KERNEL_ALLOC_FLAG], dword PG_NOCACHE   ;<<<<<<<<<<<<<<<<
	stdcall kernel_alloc, [_WinMapSize]
	mov	[_WinMapAddress], eax
;       xor     [KERNEL_ALLOC_FLAG], dword PG_NOCACHE   ;<<<<<<<<<<<<<<<<
 
	xor  eax,eax
	inc  eax
	mov [CURRENT_TASK],eax		;dword 1
	mov [TASK_COUNT],eax		;dword 1
	mov [TASK_BASE],dword TASK_DATA
	mov [current_slot], SLOT_BASE+256
 
; set background
 
	mov   [BgrDrawMode],eax
	mov   [BgrDataWidth],eax
	mov   [BgrDataHeight],eax
	mov   [mem_BACKGROUND], 4
	mov   [img_background], static_background_data
 
	mov	[SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
 
	stdcall kernel_alloc, 0x10000/8
	mov	edi, eax
	mov	[network_free_ports], eax
	or	eax, -1
	mov	ecx, 0x10000/32
	rep	stosd
 
; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
 
	call  rerouteirqs
 
; Initialize system V86 machine
	call	init_sys_v86
 
; TIMER SET TO 1/100 S
 
	mov   al,0x34		   ; set to 100Hz
	out   0x43,al
	mov   al,0x9b		   ; lsb    1193180 / 1193
	out   0x40,al
	mov   al,0x2e		   ; msb
	out   0x40,al
 
; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
; they are used: when partitions are scanned, hd_read relies on timer
; Also enable IRQ2, because in some configurations
; IRQs from slave controller are not delivered until IRQ2 on master is enabled
	mov	al, 0xFA
	out	0x21, al
	mov	al, 0x3F
	out	0xA1, al
 
; Enable interrupts in IDE controller
;	mov	al, 0
;	mov	dx, 0x3F6
;	out	dx, al
;	mov	dl, 0x76
;	out	dx, al
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!
include 'detect/disks.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!
 
  call Parser_params
 
; READ RAMDISK IMAGE FROM HD
 
;!!!!!!!!!!!!!!!!!!!!!!!
;include 'boot/rdload.inc'
;!!!!!!!!!!!!!!!!!!!!!!!
;    mov    [dma_hdd],1
; CALCULATE FAT CHAIN FOR RAMDISK
 
	call  calculatefatchain
 
; LOAD VMODE DRIVER
 
;!!!!!!!!!!!!!!!!!!!!!!!
;include 'vmodeld.inc'
;!!!!!!!!!!!!!!!!!!!!!!!
 
 
; LOAD FONTS I and II
 
	stdcall read_file, char, FONT_I, 0, 2304
	stdcall read_file, char2, FONT_II, 0, 2560
 
;        mov   esi,boot_fonts
;        call  boot_log
 
; PRINT AMOUNT OF MEMORY
;        mov     esi, boot_memdetect
;        call    boot_log
 
	movzx	ecx, word [boot_y]
	or	ecx, (10+29*6) shl 16 ; "Determining amount of memory"
	sub	ecx, 10
	mov	edx, 0xFFFFFF
	mov	ebx, [MEM_AMOUNT]
	shr	ebx, 20
	xor	edi,edi
	mov	eax, 0x00040000
		inc		edi
	call	display_number_force
 
; BUILD SCHEDULER
 
	call   build_scheduler ; sys32.inc
 
;        mov    esi,boot_devices
;        call   boot_log
 
	mov  [pci_access_enabled],1
 
 
; SET PRELIMINARY WINDOW STACK AND POSITIONS
 
	mov   esi,boot_windefs
	call  boot_log
	call  set_window_defaults
 
; SET BACKGROUND DEFAULTS
 
;        mov   esi,boot_bgr
;        call  boot_log
	call  init_background	;
	call  calculatebackground
 
; SET UP OS TASK
 
;        mov  esi,boot_setostask
;        call boot_log
 
	xor  eax, eax
	mov  dword [SLOT_BASE+APPDATA.fpu_state], fpu_data
	mov  dword [SLOT_BASE+APPDATA.exc_handler], eax
	mov  dword [SLOT_BASE+APPDATA.except_mask], eax
 
	; name for OS/IDLE process
 
	mov dword [SLOT_BASE+256+APPDATA.app_name],   dword 'OS/I'
	mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE '
	mov edi, [os_stack_seg]
	mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi
	add edi, 0x2000-512
	mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi
	mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi ; just for case
	; [SLOT_BASE+256+APPDATA.io_map] was set earlier
 
	mov esi, fpu_data
	mov ecx, 512/4
	cld
	rep movsd
 
	mov dword [SLOT_BASE+256+APPDATA.exc_handler], eax
	mov dword [SLOT_BASE+256+APPDATA.except_mask], eax
 
	mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET
	mov  dword [SLOT_BASE+256+APPDATA.fd_obj], ebx
	mov  dword [SLOT_BASE+256+APPDATA.bk_obj], ebx
 
	mov  dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path
	mov dword [SLOT_BASE+256+APPDATA.tls_base], eax
 
	; task list
	mov  dword [TASK_DATA+TASKDATA.mem_start],eax	; process base address
	inc  eax
	mov  dword [CURRENT_TASK],eax
	mov  dword [TASK_COUNT],eax
	mov  [current_slot], SLOT_BASE+256
	mov  [TASK_BASE],dword TASK_DATA
	mov  byte[TASK_DATA+TASKDATA.wnd_number],al	; on screen number
	mov  dword [TASK_DATA+TASKDATA.pid], eax	; process id number
 
	call init_display
	mov eax, [def_cursor]
	mov [SLOT_BASE+APPDATA.cursor],eax
	mov [SLOT_BASE+APPDATA.cursor+256],eax
 
 
  ; READ TSC / SECOND == Fusion only!
 
	cli
	mov	edx, PCIe_CONFIG_SPACE + 0xE0
	mov	eax, 0x013080F0 	; BIOS timer reg.
	mov	[edx], eax
	add	dl, 4
	mov	edi, edx
	mov	eax, [edi]		; old microseconds
	inc	eax			; next precise microsecond
	mov	esi, eax
 @@:
	mov	eax, [edi]
	cmp	eax, esi
	jne	@b
 
	rdtsc
	mov	ebp, eax		; clockmark
	add	esi, 20 		; wait 20us
 @@:
	mov	eax, [edi]
	cmp	eax, esi
	jne	@b
 
	rdtsc
	sub	eax, ebp
	mov	ebx, 50000
	mul	ebx		      ; clks per second
	sti
 
	mov   [CPU_FREQ],eax	      ; save tsc / sec
	mov   ebx, 1000000
	div   ebx
	mov [stall_mcs], eax
; PRINT CPU FREQUENCY
	mov	esi, boot_cpufreq
	call	boot_log
 
	mov	ebx, eax
	movzx	ecx, word [boot_y]
	add	ecx, (10+17*6) shl 16 - 10 ; 'CPU frequency is '
	mov	edx, 0xFFFFFF
	xor	edi,edi
	mov	eax, 0x00040000
		inc		edi
	call	display_number_force
 
; SET VARIABLES
 
	call  set_variables
 
; SET MOUSE
 
	stdcall load_driver, szPS2MDriver
 
	cli
 
; STACK AND FDC
 
	call  stack_init
;	call  fdc_init
 
 
; LOAD DEFAULT SKIN
 
	call	load_default_skin
 
;protect io permission map
 
	   mov esi, [default_io_map]
	   stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map], PG_MAP
	   add esi, 0x1000
	   stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
 
	   stdcall map_page,tss._io_map_0,\
		   [SLOT_BASE+256+APPDATA.io_map], PG_MAP
	   stdcall map_page,tss._io_map_1,\
		   [SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
 
 
	call init_userDMA	; <<<<<<<<< ============== core/memory.inc =================
;        mov     esi, boot_uDMA_ok
;        call    boot_log
 
; LOAD FIRST APPLICATION
	cli
if 0 
 
	cmp   byte [BOOT_VAR+0x9030],1
	jne   no_load_vrr_m
 
	mov	ebp, vrr_m
	call	fs_execute_from_sysdir
 
;        cmp   eax,2                  ; if vrr_m app found (PID=2)
	sub   eax,2
	jz    first_app_found
 
no_load_vrr_m: <<<
end if
	mov	ebp, firstapp
	call	fs_execute_from_sysdir
 
;        cmp   eax,2                  ; continue if a process has been loaded
	sub   eax,2
	jz    first_app_found
 
;        mov     esi, boot_failed
;        call    boot_log
 
	mov   eax, 0xDEADBEEF	     ; otherwise halt
	hlt
 
first_app_found:
 
	cli
 
	;mov   [TASK_COUNT],dword 2
	push  1
	pop   dword [CURRENT_TASK]	; set OS task fisrt
 
; SET KEYBOARD PARAMETERS
	mov   al, 0xf6	       ; reset keyboard, scan enabled
	call  kb_write
 
	; wait until 8042 is ready
	xor ecx,ecx
      @@:
	in     al,64h
	and    al,00000010b
	loopnz @b
 
 
	mov   al, 0xF3	     ; set repeat rate & delay
	call  kb_write
;        call  kb_read
	mov   al, 0 ; 30 250 ;00100010b ; 24 500  ;00100100b  ; 20 500
	call  kb_write
;        call  kb_read
     ;// mike.dld [
	call  set_lights
     ;// mike.dld ]
 
 
 
; START MULTITASKING
 
	stdcall attach_int_handler, 1, irq1, 0
 
	cmp	[IDEContrRegsBaseAddr], 0
	setnz	[dma_hdd]
	mov [timer_ticks_enable],1		; for cd driver
 
	sti
	call change_task
 
	jmp osloop				; Fly :)
 
diff16 "init code end  ",0,$
 
unpacker_inc:
include 'unpacker.inc'
diff16 "unpacker code  ",unpacker_inc,$
 
include 'fdo.inc'
 
align 4
boot_log:
	 pushad
 
	mov   ebx,10*65536
	mov   bx,word [boot_y]
	add   [boot_y],dword 10
	mov   ecx,0x80ffffff   ; ASCIIZ string with white color
		xor	  edi,edi
	mov   edx,esi
		inc	  edi
	call  dtext
 
	popad
 
	ret
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                    ;
;                    MAIN OS LOOP START                              ;
;                                                                    ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
osloop:
	call   [draw_pointer]
	call	window_check_events
	call	mouse_check_events
	call   checkmisc
	call   stack_handler
	call   checkidle
	jmp    osloop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                    ;
;                      MAIN OS LOOP END                              ;
;                                                                    ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 4
checkidle:
	pushad
	call	change_task
	jmp	idle_loop_entry
  idle_loop:
	cmp	eax,[idlemem]	  ; eax == [timer_ticks]
	jne	idle_exit
	rdtsc	;call _rdtsc
	mov	ecx,eax
	hlt
	rdtsc	;call _rdtsc
	sub	eax,ecx
	add	[idleuse],eax
  idle_loop_entry:
	mov	eax,[timer_ticks] ; eax =  [timer_ticks]
	cmp	[check_idle_semaphore],0
	je	idle_loop
	dec	[check_idle_semaphore]
  idle_exit:
	mov	[idlemem],eax	  ; eax == [timer_ticks]
	popad
	ret
 
uglobal
  idlemem		dd   0x0
  idleuse		dd   0x0
  idleusesec		dd   0x0
  check_idle_semaphore	dd   0x0
endg
 
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                      ;
;                   INCLUDED SYSTEM FILES                              ;
;                                                                      ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
include "kernel32.inc"
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                      ;
;                       KERNEL FUNCTIONS                               ;
;                                                                      ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
reserve_irqs_ports:
	; removed
	ret
 
setirqreadports:
	; removed
	ret
 
iglobal
  process_number dd 0x1
endg
 
set_variables:
 
	mov   ecx,0x100 		      ; flush port 0x60
.fl60:	in    al,0x60
	loop  .fl60
	push  eax
 
	mov   ax,[BOOT_VAR+0x900c]
	shr   ax,1
	shl   eax,16
	mov   ax,[BOOT_VAR+0x900A]
	shr   ax,1
	mov   [MOUSE_X],eax
 
	xor   eax,eax
	mov   [BTN_ADDR],dword BUTTON_INFO    ; address of button list
 
	mov   byte [MOUSE_BUFF_COUNT],al		 ; mouse buffer
	mov   byte [KEY_COUNT],al		  ; keyboard buffer
	mov   byte [BTN_COUNT],al		  ; button buffer
;        mov   [MOUSE_X],dword 100*65536+100    ; mouse x/y
 
     ;!! IP 04.02.2005:
	mov   byte [DONT_SWITCH],al ; change task if possible
	pop   eax
	ret
 
align 4
;input  eax=43,bl-byte of output, ecx - number of port
sys_outport:
     and   [esp+32],dword 1	; for backward compatibility: operation failed
    ret
 
display_number:
;It is not optimization
	mov	eax, ebx
	mov	ebx, ecx
	mov	ecx, edx
	mov	edx, esi
	mov	esi, edi
; eax = print type, al=0 -> ebx is number
;                   al=1 -> ebx is pointer
;                   ah=0 -> display decimal
;                   ah=1 -> display hexadecimal
;                   ah=2 -> display binary
;                   eax bits 16-21 = number of digits to display (0-32)
;                   eax bits 22-31 = reserved
;
; ebx = number or pointer
; ecx = x shl 16 + y
; edx = color
    xor     edi, edi
display_number_force:
    push  eax
    and   eax,0x3fffffff
    cmp   eax,0xffff		; length > 0 ?
    pop   eax
    jge   cont_displ
    ret
   cont_displ:
     push  eax
     and   eax,0x3fffffff
     cmp   eax,61*0x10000	 ; length <= 60 ?
     pop   eax
     jb    cont_displ2
     ret
   cont_displ2:
 
     pushad
 
     cmp   al,1 		 ; ecx is a pointer ?
     jne   displnl1
     mov   ebp,ebx
     add   ebp,4
     mov   ebp,[ebp+std_application_base_address]
     mov   ebx,[ebx+std_application_base_address]
 displnl1:
     sub   esp,64
 
    test   ah,ah		  ; DECIMAL
    jnz   no_display_desnum
    shr   eax,16
    and   eax,0xC03f
;     and   eax,0x3f
    push  eax
    and   eax,0x3f
    mov   edi,esp
    add   edi,4+64-1
    mov   ecx,eax
    mov   eax,ebx
    mov   ebx,10
 d_desnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
     add   dl,48
     mov   [edi],dl
     dec   edi
     loop  d_desnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_desnum:
 
     cmp   ah,0x01		 ; HEXADECIMAL
     jne   no_display_hexnum
     shr   eax,16
     and   eax,0xC03f
;     and   eax,0x3f
     push  eax
     and   eax,0x3f
     mov   edi,esp
     add   edi,4+64-1
     mov   ecx,eax
     mov   eax,ebx
     mov   ebx,16
   d_hexnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
   hexletters = __fdo_hexdigits
     add   edx,hexletters
     mov   dl,[edx]
     mov   [edi],dl
     dec   edi
     loop  d_hexnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_hexnum:
 
     cmp   ah,0x02		 ; BINARY
     jne   no_display_binnum
     shr   eax,16
     and   eax,0xC03f
;     and   eax,0x3f
     push  eax
     and   eax,0x3f
     mov   edi,esp
     add   edi,4+64-1
     mov   ecx,eax
     mov   eax,ebx
     mov   ebx,2
   d_binnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
     add   dl,48
     mov   [edi],dl
     dec   edi
     loop  d_binnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_binnum:
 
     add   esp,64
     popad
     ret
 
normalize_number:
     test  ah,0x80
     jz   .continue
     mov  ecx,48
     and   eax,0x3f
@@:
     inc   edi
     cmp   [edi],cl
     jne   .continue
     dec   eax
     cmp   eax,1
     ja    @r
     mov   al,1
.continue:
     and   eax,0x3f
     ret
 
division_64_bits:
     test  [esp+1+4],byte 0x40
     jz   .continue
     push  eax
     mov   eax,ebp
     div   ebx
     mov   ebp,eax
     pop   eax
.continue:
     ret
 
draw_num_text:
     mov   esi,eax
     mov   edx,64+4
     sub   edx,eax
     add   edx,esp
     mov   ebx,[esp+64+32-8+4]
; add window start x & y
     mov   ecx,[TASK_BASE]
 
     mov   edi,[CURRENT_TASK]
     shl   edi,8
 
     mov   eax,[ecx-twdw+WDATA.box.left]
     add   eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
     shl   eax,16
     add   eax,[ecx-twdw+WDATA.box.top]
     add   eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
     add   ebx,eax
     mov   ecx,[esp+64+32-12+4]
	and	ecx, not 0x80000000	; force counted string
	mov	eax, [esp+64+8] 	; background color (if given)
	mov	edi, [esp+64+4]
     jmp   dtext
 
align 4
 
sys_setup:
 
; 1=roland mpu midi base , base io address
; 2=keyboard   1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9
; 10 = sound dma channel
; 11 = enable lba read
; 12 = enable pci access
 
 
	and  [esp+32],dword 0
	dec	ebx				; MIDI
	jnz  nsyse1
	cmp  ecx,0x100
 
	jb   nsyse1
	mov	esi,65535
	cmp	esi,ecx
 
	jb   nsyse1
	mov  [midi_base],cx	;bx
	mov  word [mididp],cx	;bx
	inc  cx 		;bx
	mov  word [midisp],cx	;bx
	ret
 
iglobal
midi_base dw 0
endg
 
   nsyse1:
	dec	ebx				 ; KEYBOARD
	jnz  nsyse2
	mov  edi,[TASK_BASE]
	mov  eax,[edi+TASKDATA.mem_start]
	add  eax,edx
 
	dec	ecx
	jnz  kbnobase
	mov  ebx,keymap
	mov  ecx,128
	call memmove
	ret
   kbnobase:
	dec  ecx
	jnz  kbnoshift
 
	mov  ebx,keymap_shift
	mov  ecx,128
	call memmove
	ret
   kbnoshift:
	dec  ecx
	jnz  kbnoalt
	mov  ebx,keymap_alt
	mov  ecx,128
	call memmove
	ret
   kbnoalt:
	sub  ecx,6
	jnz  kbnocountry
	mov  word [keyboard],dx
	ret
   kbnocountry:
	mov  [esp+32],dword 1
	ret
   nsyse2:
	dec  ebx			    ; CD
	jnz  nsyse4
 
	test ecx,ecx
	jz   nosesl
 
	cmp  ecx, 4
	ja   nosesl
	mov  [cd_base],cl
 
	dec	ecx
	jnz  noprma
	mov  [cdbase],0x1f0
	mov  [cdid],0xa0
   noprma:
 
	dec	ecx
	jnz  noprsl
	mov  [cdbase],0x1f0
	mov  [cdid],0xb0
   noprsl:
	dec	ecx
	jnz  nosema
	mov  [cdbase],0x170
	mov  [cdid],0xa0
   nosema:
	dec	ecx
	jnz  nosesl
	mov  [cdbase],0x170
	mov  [cdid],0xb0
   nosesl:
	ret
 
iglobal
cd_base db 0
 
endg
   nsyse4:
 
	sub  ebx,2		 ; SYSTEM LANGUAGE
	jnz  nsyse5
	mov  [syslang],ecx
	ret
   nsyse5:
 
	sub  ebx,2		; HD BASE
	jnz  nsyse7
 
	test ecx,ecx
	jz   nosethd
 
	cmp  ecx,4
	ja   nosethd
	mov  [hd_base],cl
 
	cmp  ecx,1
	jnz  noprmahd
	mov  [hdbase],0x1f0
	and  dword [hdid],0x0
	mov  dword [hdpos],ecx
;     call set_FAT32_variables
   noprmahd:
 
	cmp  ecx,2
	jnz  noprslhd
	mov  [hdbase],0x1f0
	mov  [hdid],0x10
	mov  dword [hdpos],ecx
;     call set_FAT32_variables
   noprslhd:
 
	cmp  ecx,3
	jnz  nosemahd
	mov  [hdbase],0x170
	and  dword [hdid],0x0
	mov  dword [hdpos],ecx
;     call set_FAT32_variables
   nosemahd:
 
	cmp  ecx,4
	jnz  noseslhd
	mov  [hdbase],0x170
	mov  [hdid],0x10
	mov  dword [hdpos],ecx
;     call set_FAT32_variables
   noseslhd:
	call  reserve_hd1
	call  reserve_hd_channel
	call  free_hd_channel
	and   dword [hd1_status],0	  ; free
   nosethd:
	ret
 
iglobal
hd_base db 0
endg
 
nsyse7:
 
;     cmp  eax,8                      ; HD PARTITION
	dec  ebx
	jnz  nsyse8
	mov  [fat32part],ecx
;     call set_FAT32_variables
	call  reserve_hd1
	call  reserve_hd_channel
	call  free_hd_channel
;       pusha
	call  choice_necessity_partition_1
;       popa
	and dword [hd1_status],0	; free
	ret
 
nsyse8:
;     cmp  eax,11                     ; ENABLE LBA READ
	and  ecx,1
	sub  ebx,3
	jnz  no_set_lba_read
	mov  [lba_read_enabled],ecx
	ret
 
no_set_lba_read:
;     cmp  eax,12                     ; ENABLE PCI ACCESS
	dec  ebx
	jnz  no_set_pci_access
	mov  [pci_access_enabled],ecx
	ret
no_set_pci_access:
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
;include 'vmodeint.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
sys_setup_err:
	or  [esp+32],dword -1
	ret
 
align 4
 
sys_getsetup:
 
; 1=roland mpu midi base , base io address
; 2=keyboard   1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9=get hs timer tic
 
;     cmp  eax,1
	dec	ebx
	jnz  ngsyse1
	movzx eax,[midi_base]
	mov  [esp+32],eax
	ret
ngsyse1:
;     cmp  eax,2
	dec	ebx
	jnz  ngsyse2
 
	mov  edi,[TASK_BASE]
	mov  ebx,[edi+TASKDATA.mem_start]
	add  ebx,edx
 
;     cmp  ebx,1
	dec	ecx
	jnz  kbnobaseret
	mov  eax,keymap
	mov  ecx,128
	call memmove
	ret
kbnobaseret:
;     cmp  ebx,2
	dec	ecx
	jnz  kbnoshiftret
 
	mov  eax,keymap_shift
	mov  ecx,128
	call memmove
	ret
kbnoshiftret:
;     cmp  ebx,3
	dec	ecx
	jne  kbnoaltret
 
	mov  eax,keymap_alt
	mov  ecx,128
	call memmove
	ret
kbnoaltret:
;     cmp  ebx,9
	sub	ecx,6
	jnz  ngsyse2
	movzx eax,word [keyboard]
	mov  [esp+32],eax
	ret
 
 
ngsyse2:
;         cmp  eax,3
	dec	ebx
	jnz  ngsyse3
	movzx eax,[cd_base]
	mov  [esp+32],eax
	ret
ngsyse3:
;         cmp  eax,5
	sub	ebx,2
	jnz  ngsyse5
	mov  eax,[syslang]
	mov  [esp+32],eax
	ret
ngsyse5:
;     cmp  eax,7
	sub	ebx,2
	jnz  ngsyse7
	movzx eax,[hd_base]
	mov  [esp+32],eax
	ret
ngsyse7:
;     cmp  eax,8
	dec	ebx
	jnz  ngsyse8
	mov eax,[fat32part]
	mov  [esp+32],eax
	ret
ngsyse8:
;     cmp  eax,9
	dec	ebx
	jnz  ngsyse9
	mov  eax,[timer_ticks] ;[0xfdf0]
	mov  [esp+32],eax
	ret
ngsyse9:
;     cmp  eax,11
	sub	ebx,2
	jnz  ngsyse11
	mov eax,[lba_read_enabled]
	mov  [esp+32],eax
	ret
ngsyse11:
;     cmp  eax,12
	dec	ebx
	jnz  ngsyse12
	mov eax,[pci_access_enabled]
	mov  [esp+32],eax
	ret
ngsyse12:
	mov  [esp+32],dword 1
	ret
 
 
get_timer_ticks:
	mov eax,[timer_ticks]
	ret
 
iglobal
align 4
mousefn dd msscreen, mswin, msbutton, msset
	dd app_load_cursor
	dd app_set_cursor
	dd app_delete_cursor
	dd msz
endg
 
readmousepos:
 
; eax=0 screen relative
; eax=1 window relative
; eax=2 buttons pressed
; eax=3 set mouse pos   ; reserved
; eax=4 load cursor
; eax=5 set cursor
; eax=6 delete cursor   ; reserved
; eax=7 get mouse_z
 
	   cmp ebx, 7
	   ja msset
	   jmp [mousefn+ebx*4]
msscreen:
	   mov	eax,[MOUSE_X]
	   shl	eax,16
	   mov	ax,[MOUSE_Y]
	   mov	[esp+36-4],eax
	   ret
mswin:
	   mov	eax,[MOUSE_X]
	   shl	eax,16
	   mov	ax,[MOUSE_Y]
	   mov	esi,[TASK_BASE]
	   mov	bx, word [esi-twdw+WDATA.box.left]
	   shl	ebx,16
	   mov	bx, word [esi-twdw+WDATA.box.top]
	   sub	eax,ebx
 
	   mov	edi,[CURRENT_TASK]
	   shl	edi,8
	   sub	ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
	   rol	eax,16
	   sub	ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
	   rol	eax,16
	   mov	[esp+36-4],eax
	   ret
msbutton:
	   movzx eax,byte [BTN_DOWN]
	   mov	[esp+36-4],eax
	   ret
msz:
	   mov	 edi, [TASK_COUNT]
	   movzx edi, word [WIN_POS + edi*2]
	   cmp	 edi, [CURRENT_TASK]
	   jne	 @f
	   mov	 ax,[MOUSE_SCROLL_H]
	   shl	 eax,16
	   mov	 ax,[MOUSE_SCROLL_V]
	   mov	 [esp+36-4],eax
	   and	 [MOUSE_SCROLL_H],word 0
	   and	 [MOUSE_SCROLL_V],word 0
	   ret
       @@:
	   and	[esp+36-4],dword 0
;           ret
msset:
	   ret
 
app_load_cursor:
	   cmp ecx, OS_BASE
	   jae msset
	   stdcall load_cursor, ecx, edx
	   mov [esp+36-4], eax
	   ret
 
app_set_cursor:
	   stdcall set_cursor, ecx
	   mov [esp+36-4], eax
	   ret
 
app_delete_cursor:
	   stdcall delete_cursor, ecx
	   mov [esp+36-4], eax
	   ret
 
is_input:
 
   push edx
   mov	dx,word [midisp]
   in	al,dx
   and	al,0x80
   pop	edx
   ret
 
is_output:
 
   push edx
   mov	dx,word [midisp]
   in	al,dx
   and	al,0x40
   pop	edx
   ret
 
 
get_mpu_in:
 
   push edx
   mov	dx,word [mididp]
   in	al,dx
   pop	edx
   ret
 
 
put_mpu_out:
 
   push edx
   mov	dx,word [mididp]
   out	dx,al
   pop	edx
   ret
 
 
 
align 4
 
sys_midi:
	cmp  [mididp],0
	jnz  sm0
	mov  [esp+36],dword 1
	ret
sm0:
	and  [esp+36],dword 0
	dec  ebx
	jnz  smn1
 ;    call setuart
su1:
	call is_output
	test al,al
	jnz  su1
	mov  dx,word [midisp]
	mov  al,0xff
	out  dx,al
su2:
	mov  dx,word [midisp]
	mov  al,0xff
	out  dx,al
	call is_input
	test al,al
	jnz  su2
	call get_mpu_in
	cmp  al,0xfe
	jnz  su2
su3:
	call is_output
	test  al,al
	jnz  su3
	mov  dx,word [midisp]
	mov  al,0x3f
	out  dx,al
	ret
smn1:
	dec  ebx
	jnz  smn2
sm10:
	call get_mpu_in
	call is_output
	test al,al
	jnz  sm10
	mov  al,bl
	call put_mpu_out
	smn2:
	ret
 
detect_devices:
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
;include 'detect/commouse.inc'
;include 'detect/ps2mouse.inc'
;include 'detect/dev_fd.inc'
;include 'detect/dev_hdcd.inc'
;include 'detect/sear_par.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    ret
 
sys_end:
 
     mov ecx, [current_slot]
     mov eax, [ecx+APPDATA.tls_base]
     test eax, eax
     jz @F
 
     stdcall user_free, eax
@@:
 
     mov   eax,[TASK_BASE]
     mov   [eax+TASKDATA.state], 3  ; terminate this program
 
    waitterm:		 ; wait here for termination
     mov   ebx,100
     call  delay_hs
     jmp   waitterm
 
iglobal
align 4
sys_system_table:
	dd	exit_for_anyone 	; 1 = obsolete
	dd	sysfn_terminate 	; 2 = terminate thread
	dd	sysfn_activate		; 3 = activate window
	dd	sysfn_getidletime	; 4 = get idle time
	dd	sysfn_getcpuclock	; 5 = get cpu clock
	dd	sysfn_saveramdisk	; 6 = save ramdisk
	dd	sysfn_getactive 	; 7 = get active window
	dd	sysfn_sound_flag	; 8 = get/set sound_flag
	dd	sysfn_shutdown		; 9 = shutdown with parameter
	dd	sysfn_minimize		; 10 = minimize window
	dd	sysfn_getdiskinfo	; 11 = get disk subsystem info
	dd	sysfn_lastkey		; 12 = get last pressed key
	dd	sysfn_getversion	; 13 = get kernel version
	dd	sysfn_waitretrace	; 14 = wait retrace
	dd	sysfn_centermouse	; 15 = center mouse cursor
	dd	sysfn_getfreemem	; 16 = get free memory size
	dd	sysfn_getallmem 	; 17 = get total memory size
	dd	sysfn_terminate2	; 18 = terminate thread using PID
					;                 instead of slot
	dd	sysfn_mouse_acceleration; 19 = set/get mouse acceleration
	dd	sysfn_meminfo		; 20 = get extended memory info
	dd	sysfn_pid_to_slot	; 21 = get slot number for pid
	dd	sysfn_min_rest_window	; 22 = minimize and restore any window
sysfn_num = ($ - sys_system_table)/4
endg
 
sys_system:
	dec	ebx
	cmp	ebx, sysfn_num
	jae	@f
	jmp	dword [sys_system_table + ebx*4]
@@:
	ret
 
 
sysfn_shutdown: 	 ; 18.9 = system shutdown
     cmp  ecx,1
     jl   exit_for_anyone
     cmp  ecx,4
     jg   exit_for_anyone
     mov  [BOOT_VAR+0x9030],cl
 
     mov  eax,[TASK_COUNT]
     mov  [SYS_SHUTDOWN],al
     mov  [shutdown_processes],eax
     and  dword [esp+32], 0
 exit_for_anyone:
     ret
  uglobal
   shutdown_processes: dd 0x0
  endg
 
sysfn_terminate:	; 18.2 = TERMINATE
     cmp  ecx,2
     jb   noprocessterminate
     mov  edx,[TASK_COUNT]
     cmp  ecx,edx
     ja   noprocessterminate
     mov  eax,[TASK_COUNT]
     shl  ecx,5
     mov  edx,[ecx+CURRENT_TASK+TASKDATA.pid]
     add  ecx,CURRENT_TASK+TASKDATA.state
     cmp  byte [ecx], 9
     jz   noprocessterminate
 
     ;call MEM_Heap_Lock      ;guarantee that process isn't working with heap
     mov  [ecx],byte 3	     ; clear possible i40's
     ;call MEM_Heap_UnLock
 
     cmp  edx,[application_table_status]    ; clear app table stat
     jne  noatsc
 
     and  [application_table_status],0
   noatsc:
   noprocessterminate:
     ret
 
sysfn_terminate2:
;lock application_table_status mutex
.table_status:
    cli
    cmp    [application_table_status],0
    je	   .stf
    sti
    call   change_task
    jmp    .table_status
.stf:
    call   set_application_table_status
    mov    eax,ecx
    call   pid_to_slot
    test   eax,eax
    jz	   .not_found
    mov    ecx,eax
    cli
    call   sysfn_terminate
    and    [application_table_status],0
    sti
    and    dword [esp+32],0
    ret
.not_found:
    mov    [application_table_status],0
    or	   dword [esp+32],-1
    ret
 
sysfn_activate: 	; 18.3 = ACTIVATE WINDOW
     cmp  ecx,2
     jb   .nowindowactivate
     cmp  ecx,[TASK_COUNT]
     ja   .nowindowactivate
 
     mov   [window_minimize], 2   ; restore window if minimized
 
     movzx esi, word [WIN_STACK + ecx*2]
     cmp   esi, [TASK_COUNT]
     je    .nowindowactivate ; already active
 
     mov   edi, ecx
     shl   edi, 5
     add   edi, window_data
     movzx esi, word [WIN_STACK + ecx * 2]
     lea   esi, [WIN_POS + esi * 2]
     call  waredraw
.nowindowactivate:
     ret
 
sysfn_getidletime:		; 18.4 = GET IDLETIME
     mov  eax,[idleusesec]
     mov  [esp+32], eax
     ret
 
sysfn_getcpuclock:		; 18.5 = GET TSC/SEC
     mov  eax,[CPU_FREQ]
     mov  [esp+32], eax
     ret
 
;  SAVE ramdisk to /hd/1/menuet.img
;!!!!!!!!!!!!!!!!!!!!!!!!
   include 'blkdev/rdsave.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!
align 4
sysfn_getactive:	; 18.7 = get active window
     mov  eax, [TASK_COUNT]
   movzx  eax, word [WIN_POS + eax*2]
     mov  [esp+32],eax
     ret
 
sysfn_sound_flag:	; 18.8 = get/set sound_flag
;     cmp  ecx,1
     dec  ecx
     jnz  nogetsoundflag
     movzx  eax,byte [sound_flag] ; get sound_flag
     mov  [esp+32],eax
     ret
 nogetsoundflag:
;     cmp  ecx,2
     dec  ecx
     jnz  nosoundflag
     xor  byte [sound_flag], 1
 nosoundflag:
     ret
 
sysfn_minimize: 	; 18.10 = minimize window
     mov   [window_minimize],1
     ret
align 4
sysfn_getdiskinfo:	; 18.11 = get disk info table
;     cmp  ecx,1
     dec  ecx
     jnz  full_table
  small_table:
     call for_all_tables
     mov ecx,10
     cld
     rep movsb
     ret
   for_all_tables:
     mov edi,edx
     mov esi,DRIVE_DATA
     ret
  full_table:
;     cmp  ecx,2
     dec  ecx
     jnz  exit_for_anyone
     call for_all_tables
     mov ecx,16384
     cld
     rep movsd
     ret
 
sysfn_lastkey:		; 18.12 = return 0 (backward compatibility)
	and	dword [esp+32], 0
	ret
 
sysfn_getversion:	; 18.13 = get kernel ID and version
     mov edi,ecx
     mov esi,version_inf
     mov ecx,version_end-version_inf
     rep movsb
     ret
 
sysfn_waitretrace:     ; 18.14 = sys wait retrace
     ;wait retrace functions
 sys_wait_retrace:
     mov edx,0x3da
 WaitRetrace_loop:
     in al,dx
     test al,1000b
     jz WaitRetrace_loop
     and [esp+32],dword 0
     ret
 
align 4
sysfn_centermouse:	; 18.15 = mouse centered
; removed here by 
;     call  mouse_centered
;* mouse centered - start code- Mario79
;mouse_centered:
;        push  eax
	mov   eax,[Screen_Max_X]
	shr   eax,1
	mov   [MOUSE_X],ax
	mov   eax,[Screen_Max_Y]
	shr   eax,1
	mov   [MOUSE_Y],ax
;        ret
;* mouse centered - end code- Mario79
	xor   eax,eax
	and   [esp+32],eax
;        pop   eax
 
     ret
align 4
sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
     test ecx,ecx  ; get mouse speed factor
     jnz  .set_mouse_acceleration
     xor  eax,eax
     mov  ax,[mouse_speed_factor]
     mov  [esp+32],eax
     ret
 .set_mouse_acceleration:
;     cmp  ecx,1  ; set mouse speed factor
     dec  ecx
     jnz  .get_mouse_delay
     mov  [mouse_speed_factor],dx
     ret
 .get_mouse_delay:
;     cmp  ecx,2  ; get mouse delay
     dec  ecx
     jnz  .set_mouse_delay
     mov  eax,[mouse_delay]
     mov  [esp+32],eax
     ret
 .set_mouse_delay:
;     cmp  ecx,3  ; set mouse delay
     dec  ecx
     jnz  .set_pointer_position
     mov  [mouse_delay],edx
     ret
 .set_pointer_position:
;     cmp  ecx,4  ; set mouse pointer position
     dec   ecx
     jnz  .set_mouse_button
     cmp   dx, word[Screen_Max_Y]
     ja    .end
 
     rol   edx,16
     cmp   dx, word[Screen_Max_X]
     ja    .end
     mov   [MOUSE_X], edx
     ret
 .set_mouse_button:
;     cmp   ecx,5  ; set mouse button features
     dec   ecx
     jnz  .end
     mov   [BTN_DOWN],dl
     mov   [mouse_active],1
 .end:
     ret
 
sysfn_getfreemem:
     mov eax, [pg_data.pages_free]
     shl eax, 2
     mov [esp+32],eax
     ret
 
sysfn_getallmem:
     mov  eax,[MEM_AMOUNT]
     shr eax, 10
     mov  [esp+32],eax
     ret
 
; // Alver, 2007-22-08 // {
sysfn_pid_to_slot:
     mov   eax, ecx
     call  pid_to_slot
     mov   [esp+32], eax
     ret
 
sysfn_min_rest_window:
     pushad
     mov   eax, edx	 ; ebx - operating
     shr   ecx, 1
     jnc    @f
     call  pid_to_slot
@@:
     or    eax, eax	 ; eax - number of slot
     jz    .error
     cmp   eax, 255	    ; varify maximal slot number
     ja    .error
     movzx eax, word [WIN_STACK + eax*2]
     shr   ecx, 1
     jc    .restore
 ; .minimize:
     call  minimize_window
     jmp   .exit
.restore:
     call  restore_minimized_window
.exit:
     popad
     xor   eax, eax
     mov   [esp+32], eax
     ret
.error:
     popad
     xor   eax, eax
     dec   eax
     mov   [esp+32], eax
     ret
; } \\ Alver, 2007-22-08 \\
 
uglobal
;// mike.dld, 2006-29-01 [
screen_workarea RECT
;// mike.dld, 2006-29-01 ]
window_minimize db 0
sound_flag	db 0
endg
 
iglobal
version_inf:
  db 0,7,7,0  ; version 0.7.7.0
  db 0		;reserved
  dd __REV__
version_end:
endg
 
sys_cachetodiskette:            ; << removed
	mov	[esp + 32], ebx
	ret
 
uglobal
;  bgrchanged  dd  0x0
align 4
bgrlockpid dd 0
bgrlock db 0
endg
 
;===============================  SysFn 15  ================================
sys_background:
 
    cmp   ebx,1 			   ; BACKGROUND SIZE
    jnz   nosb1
    test  ecx,ecx
;    cmp   ecx,0
    jz	  sbgrr
    test  edx,edx
;    cmp   edx,0
    jz	  sbgrr
@@:
;;Maxis use atomic bts for mutexes  4.4.2009
	bts	dword [bgrlock], 0
	jnc	@f
	call	change_task
	jmp	@b
@@:
    mov   [BgrDataWidth],ecx
    mov   [BgrDataHeight],edx
;    mov   [bgrchanged],1
 
    pushad
; return memory for old background
	mov	eax, [img_background]
	cmp	eax, static_background_data
	jz	@f
	stdcall kernel_free, eax
@@:
; calculate RAW size
    xor  eax,eax
    inc  eax
    cmp  [BgrDataWidth],eax
    jae   @f
    mov [BgrDataWidth],eax
@@:
    cmp  [BgrDataHeight],eax
    jae   @f
    mov [BgrDataHeight],eax
@@:
    mov  eax,[BgrDataWidth]
    imul eax,[BgrDataHeight]
    lea  eax,[eax*3]
    mov  [mem_BACKGROUND],eax
; get memory for new background
    stdcall kernel_alloc, eax
    test eax, eax
    jz .memfailed
    mov [img_background], eax
    jmp .exit
.memfailed:
; revert to static monotone data
	mov	[img_background], static_background_data
	xor	eax, eax
	inc	eax
	mov	[BgrDataWidth], eax
	mov	[BgrDataHeight], eax
	mov	[mem_BACKGROUND], 4
.exit:
    popad
	mov	[bgrlock], 0
 
  sbgrr:
    ret
 
nosb1:
 
    cmp   ebx,2 			   ; SET PIXEL
    jnz   nosb2
 
    mov   eax, [img_background]
    test  ecx, ecx
    jz	  @f
    cmp   eax, static_background_data
 
    jz	  .ret
@@:
    mov ebx, [mem_BACKGROUND]
    add ebx, 4095
    and ebx, -4096
    sub ebx, 4
    cmp   ecx, ebx
    ja	 .ret
 
    mov   ebx,[eax+ecx]
    and   ebx,0xFF000000 ;255*256*256*256
    and   edx,0x00FFFFFF ;255*256*256+255*256+255
    add   edx,ebx
    mov   [eax+ecx],edx
.ret:
    ret
nosb2:
 
    cmp   ebx,3 			   ; DRAW BACKGROUND
    jnz   nosb3
draw_background_temp:
;    cmp   [bgrchanged],1 ;0
;    je    nosb31
;draw_background_temp:
;    mov   [bgrchanged],1 ;0
    mov    [background_defined], 1
    mov    byte[BACKGROUND_CHANGED], 1
    call  force_redraw_background
   nosb31:
    ret
  nosb3:
 
    cmp   ebx,4 			   ; TILED / STRETCHED
    jnz   nosb4
    cmp   ecx,[BgrDrawMode]
    je	  nosb41
    mov   [BgrDrawMode],ecx
;    mov   [bgrchanged],1
   nosb41:
    ret
  nosb4:
 
    cmp   ebx,5 			   ; BLOCK MOVE TO BGR
    jnz   nosb5
    cmp   [img_background], static_background_data
    jnz   @f
    test  edx, edx
    jnz   .fin
    cmp   esi, 4
    ja	  .fin
  @@:
  ; bughere
    mov   eax, ecx
    mov   ebx, edx
    add   ebx, [img_background]   ;IMG_BACKGROUND
    mov   ecx, esi
    call  memmove
  .fin:
    ret
  nosb5:
 
	cmp	ebx, 6
	jnz	nosb6
;;Maxis use atomic bts for mutex 4.4.2009
@@:
	bts	dword [bgrlock], 0
	jnc	@f
	call	change_task
	jmp	@b
@@:
	mov	eax, [CURRENT_TASK]
	mov	[bgrlockpid], eax
	cmp	[img_background], static_background_data
	jz	.nomem
	stdcall user_alloc, [mem_BACKGROUND]
	mov	[esp+32], eax
	test	eax, eax
	jz	.nomem
	mov	ebx, eax
	shr	ebx, 12
	or	dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
	mov	esi, [img_background]
	shr	esi, 12
	mov	ecx, [mem_BACKGROUND]
	add	ecx, 0xFFF
	shr	ecx, 12
.z:
	mov	eax, [page_tabs+ebx*4]
	test	al, 1
	jz	@f
	call	free_page
@@:
	mov	eax, [page_tabs+esi*4]
	or	al, PG_UW
	mov	[page_tabs+ebx*4], eax
	mov	eax, ebx
	shl	eax, 12
	invlpg	[eax]
	inc	ebx
	inc	esi
	loop	.z
	ret
.nomem:
	and	[bgrlockpid], 0
	mov	[bgrlock], 0
nosb6:
	cmp	ebx, 7
	jnz	nosb7
	cmp	[bgrlock], 0
	jz	.err
	mov	eax, [CURRENT_TASK]
	cmp	[bgrlockpid], eax
	jnz	.err
	mov	eax, ecx
	mov	ebx, ecx
	shr	eax, 12
	mov	ecx, [page_tabs+(eax-1)*4]
	test	cl, USED_BLOCK+DONT_FREE_BLOCK
	jz	.err
	jnp	.err
	push	eax
	shr	ecx, 12
	dec	ecx
@@:
	and	dword [page_tabs+eax*4], 0
	mov	edx, eax
	shl	edx, 12
	push eax
	invlpg	[edx]
	pop eax
	inc	eax
	loop	@b
	pop	eax
	and	dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
	stdcall user_free, ebx
	mov	[esp+32], eax
	and	[bgrlockpid], 0
	mov	[bgrlock], 0
	ret
.err:
	and	dword [esp+32], 0
	ret
 
nosb7:
    ret
 
;===============================  SysFn 39  ================================
align 4
 
sys_getbackground:
    dec   ebx
    jnz   nogb1
    mov   eax,[BgrDataWidth]
    shl   eax,16
    mov   ax,[BgrDataHeight]
    mov   [esp+32],eax
    ret
 
nogb1:
;    cmp   eax,2                                  ; PIXEL
    dec   ebx
    jnz   nogb2
 
	mov	eax, [img_background]
	test	ecx, ecx
	jz	@f
	cmp	eax, static_background_data
	jz	.ret
@@:
    mov ebx, [mem_BACKGROUND]
    add ebx, 4095
    and ebx, -4096
    sub ebx, 4
    cmp ecx, ebx
    ja	.ret
 
    mov   eax,[ecx+eax]
 
    and   eax, 0xFFFFFF
    mov   [esp+32],eax
.ret:
    ret
  nogb2:
 
;    cmp   eax,4                                  ; TILED / STRETCHED
    dec   ebx
    dec   ebx
    jnz   nogb4
    mov   eax,[BgrDrawMode]
  nogb4:
    mov   [esp+32],eax
    ret
 
;===========================================
 
force_redraw_background:
    and   [draw_data+32 + RECT.left], 0
    and   [draw_data+32 + RECT.top], 0
    push  eax ebx
    mov   eax,[Screen_Max_X]
    mov   ebx,[Screen_Max_Y]
    mov   [draw_data+32 + RECT.right],eax
    mov   [draw_data+32 + RECT.bottom],ebx
    pop   ebx eax
    inc   byte[REDRAW_BACKGROUND]
    ret
;===========================================
 
 
align 4
 
sys_getkey:
	mov	[esp + 32],dword 1
	; test main buffer
	mov	ebx, [CURRENT_TASK]			     ; TOP OF WINDOW STACK
	movzx	ecx, word [WIN_STACK + ebx * 2]
	mov	edx, [TASK_COUNT]
	cmp	ecx, edx
	jne	.finish
	cmp	[KEY_COUNT], byte 0
	je	.finish
	movzx	eax, byte [KEY_BUFF]
	shl	eax, 8
	push	eax
	dec	byte [KEY_COUNT]
	and	byte [KEY_COUNT], 127
	movzx	ecx, byte [KEY_COUNT]
	add	ecx, 2
	mov	eax, KEY_BUFF + 1
	mov	ebx, KEY_BUFF
	call	memmove
	pop	eax
.ret_eax:
	mov	[esp + 32], eax
	ret
.finish:
; test hotkeys buffer
	mov	ecx, hotkey_buffer
@@:
	cmp	[ecx], ebx
	jz	.found
	add	ecx, 8
	cmp	ecx, hotkey_buffer + 120 * 8
	jb	@b
	ret
.found:
	mov	ax, [ecx + 6]
	shl	eax, 16
	mov	ah, [ecx + 4]
	mov	al, 2
	and	dword [ecx + 4], 0
	and	dword [ecx], 0
	jmp	.ret_eax
 
align 4
 
sys_getbutton:
 
	mov	ebx, [CURRENT_TASK]			    ; TOP OF WINDOW STACK
	mov	[esp + 32], dword 1
	movzx	ecx, word [WIN_STACK + ebx * 2]
	mov	edx, [TASK_COUNT] ; less than 256 processes
	cmp	ecx, edx
	jne	.exit
	movzx	eax, byte [BTN_COUNT]
	test	eax, eax
	jz	.exit
	mov	eax, [BTN_BUFF]
	and	al, 0xFE				    ; delete left button bit
	mov	[BTN_COUNT], byte 0
	mov	[esp + 32], eax
.exit:
	ret
 
 
align 4
 
sys_cpuusage:
 
;  RETURN:
;
;  +00 dword     process cpu usage
;  +04  word     position in windowing stack
;  +06  word     windowing stack value at current position (cpu nro)
;  +10 12 bytes  name
;  +22 dword     start in mem
;  +26 dword     used mem
;  +30 dword     PID , process idenfification number
;
 
    cmp  ecx,-1 	; who am I ?
    jne  .no_who_am_i
    mov  ecx,[CURRENT_TASK]
  .no_who_am_i:
	cmp	ecx, max_processes
	ja	.nofillbuf
 
; +4: word: position of the window of thread in the window stack
	mov	ax, [WIN_STACK + ecx * 2]
	mov	[ebx+4], ax
; +6: word: number of the thread slot, which window has in the window stack
;           position ecx (has no relation to the specific thread)
	mov	ax, [WIN_POS + ecx * 2]
	mov	[ebx+6], ax
 
	shl	ecx, 5
 
; +0: dword: memory usage
	mov	eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
	mov	[ebx], eax
; +10: 11 bytes: name of the process
	push	ecx
	lea	eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
	add	ebx, 10
	mov	ecx, 11
	call	memmove
	pop	ecx
 
; +22: address of the process in memory
; +26: size of used memory - 1
	push	edi
	lea	edi, [ebx+12]
	xor	eax, eax
	mov	edx, 0x100000*16
	cmp	ecx, 1 shl 5
	je	.os_mem
	mov	edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
	mov	eax, std_application_base_address
.os_mem:
	stosd
	lea	eax, [edx-1]
	stosd
 
; +30: PID/TID
	mov	eax, [ecx+CURRENT_TASK+TASKDATA.pid]
	stosd
 
    ; window position and size
	push	esi
	lea	esi, [ecx + window_data + WDATA.box]
	movsd
	movsd
	movsd
	movsd
 
    ; Process state (+50)
	mov	eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
	stosd
 
    ; Window client area box
	lea	esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
	movsd
	movsd
	movsd
	movsd
 
    ; Window state
	mov	al, [ecx+window_data+WDATA.fl_wstate]
	stosb
 
    ; Event mask (+71)
	mov	EAX, dword [ECX+CURRENT_TASK+TASKDATA.event_mask]
	stosd
 
	pop	esi
	pop	edi
 
.nofillbuf:
    ; return number of processes
 
    mov    eax,[TASK_COUNT]
    mov    [esp+32],eax
    ret
 
align 4
sys_clock:
	cli
  ; Mikhail Lisovin  xx Jan 2005
  @@:	mov   al, 10
	out   0x70, al
	in    al, 0x71
	test  al, al
	jns   @f
	mov   esi, 1
	call  delay_ms
	jmp   @b
  @@:
  ; end Lisovin's fix
 
	xor   al,al	      ; seconds
	out   0x70,al
	in    al,0x71
	movzx ecx,al
	mov   al,02	      ; minutes
	shl   ecx,16
	out   0x70,al
	in    al,0x71
	movzx edx,al
	mov   al,04	      ; hours
	shl   edx,8
	out   0x70,al
	in    al,0x71
	add   ecx,edx
	movzx edx,al
	add   ecx,edx
	sti
	mov	[esp + 32], ecx
	ret
 
 
align 4
 
sys_date:
 
	cli
  @@:	mov   al, 10
	out   0x70, al
	in    al, 0x71
	test  al, al
	jns   @f
	mov   esi, 1
	call  delay_ms
	jmp   @b
  @@:
 
	mov	ch,0
	mov	al,7		; date
	out	0x70,al
	in	al,0x71
	mov	cl,al
	mov	al,8		; month
	shl	ecx,16
	out	0x70,al
	in	al,0x71
	mov	ch,al
	mov	al,9		; year
	out	0x70,al
	in	al,0x71
	mov	cl,al
	sti
	mov	[esp+32], ecx
	ret
 
 
; redraw status
 
sys_redrawstat:
	cmp	ebx, 1
	jne	no_widgets_away
	; buttons away
	mov	ecx,[CURRENT_TASK]
  sys_newba2:
	mov	edi,[BTN_ADDR]
	cmp	[edi], dword 0	; empty button list ?
	je	end_of_buttons_away
	movzx	ebx, word [edi]
	inc	ebx
	mov	eax,edi
  sys_newba:
	dec	ebx
	jz	end_of_buttons_away
 
	add	eax, 0x10
	cmp	cx, [eax]
	jnz	sys_newba
 
	push	eax ebx ecx
	mov	ecx,ebx
	inc	ecx
	shl	ecx, 4
	mov	ebx, eax
	add	eax, 0x10
	call	memmove
	dec	dword [edi]
	pop	ecx ebx eax
 
	jmp	sys_newba2
 
  end_of_buttons_away:
 
	ret
 
  no_widgets_away:
 
	cmp	ebx, 2
	jnz	srl1
 
	mov	edx, [TASK_BASE]      ; return whole screen draw area for this app
	add	edx, draw_data - CURRENT_TASK
	mov	[edx + RECT.left], 0
	mov	[edx + RECT.top], 0
	mov	eax, [Screen_Max_X]
 
	mov	[edx + RECT.right], eax
	mov	eax, [Screen_Max_Y]
	mov	[edx + RECT.bottom], eax
 
  srl1:
	ret
 
;ok - 100% work
;nt - not tested
;---------------------------------------------------------------------------------------------
;eax
;0 - task switch counter. Ret switch counter in eax. Block. ok.
;1 - change task. Ret nothing. Block. ok.
;2 - performance control
; ebx
; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
;eax
;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;---------------------------------------------------------------------------------------------
iglobal
align 4
sheduler:
	dd	sys_sheduler.00
	dd	change_task
	dd	sys_sheduler.02
	dd	sys_sheduler.03
	dd	sys_sheduler.04
endg
sys_sheduler:
;rewritten by   29.12.2009
	jmp	dword [sheduler+ebx*4]
;.shed_counter:
.00:
	mov eax,[context_counter]
	mov [esp+32],eax
	ret
 
.02:
;.perf_control:
	inc	ebx			;before ebx=2, ebx=3
	cmp	ebx,ecx 		;if ecx=3, ebx=3
	jz	cache_disable
 
	dec	ebx			;ebx=2
	cmp	ebx,ecx 		;
	jz	cache_enable		;if ecx=2 and ebx=2
 
	dec	ebx			;ebx=1
	cmp	ebx,ecx
	jz	is_cache_enabled	;if ecx=1 and ebx=1
 
	dec	ebx
	test	ebx,ecx 		;ebx=0 and ecx=0
	jz	modify_pce		;if ecx=0
 
	ret
 
.03:
;.rdmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
	mov	eax,esi
	mov	ecx,edx
	rdmsr
	mov	[esp+32],eax
	mov	[esp+20],edx		;ret in ebx?
	ret
 
.04:
;.wrmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
	; Fast Call MSR can't be destroy
	; ® MSR_AMD_EFER ¬®¦­® ¨§¬¥­ïâì, â.ª. ¢ íâ®¬ à¥£¨áâà¥ «¨è
	; ¢ª«îç îâáï/¢ëª«îç îâáï à áè¨à¥­­ë¥ ¢®§¬®¦­®áâ¨
	cmp	edx,MSR_SYSENTER_CS
	je	@f
	cmp	edx,MSR_SYSENTER_ESP
	je	@f
	cmp	edx,MSR_SYSENTER_EIP
	je	@f
	cmp	edx,MSR_AMD_STAR
	je	@f
 
	mov	eax,esi
	mov	ecx,edx
	wrmsr
	; mov   [esp + 32], eax
	; mov   [esp + 20], edx ;ret in ebx?
@@:
	ret
 
cache_disable:
       mov eax,cr0
       or  eax,01100000000000000000000000000000b
       mov cr0,eax
       wbinvd ;set MESI
ret
 
cache_enable:
       mov eax,cr0
       and eax,10011111111111111111111111111111b
       mov cr0,eax
ret
 
is_cache_enabled:
       mov eax,cr0
       mov ebx,eax
       and eax,01100000000000000000000000000000b
       jz cache_disabled
       mov [esp+32],ebx
cache_disabled:
       mov dword [esp+32],eax ;0
ret
 
modify_pce:
       mov eax,cr4
;       mov ebx,0
;       or  bx,100000000b ;pce
;       xor eax,ebx ;invert pce
       bts eax,8 ;pce=cr4[8]
       mov cr4,eax
       mov [esp+32],eax
ret
;---------------------------------------------------------------------------------------------
 
 
iglobal
  cpustring db 'CPU',0
endg
 
uglobal
background_defined    db    0	 ; diamond, 11.04.2006
endg
 
align 4
; check misc
 
checkmisc:
 
    cmp   [ctrl_alt_del], 1
    jne   nocpustart
 
	mov	ebp, cpustring
	call	fs_execute_from_sysdir
 
    mov   [ctrl_alt_del], 0
 
nocpustart:
    cmp   [mouse_active], 1
    jne   mouse_not_active
    mov   [mouse_active], 0
    xor   edi, edi
    mov   ecx,	[TASK_COUNT]
set_mouse_event:
    add   edi, 256
    or	  [edi+SLOT_BASE+APPDATA.event_mask], dword 100000b
    loop  set_mouse_event
 
mouse_not_active:
    cmp   byte[BACKGROUND_CHANGED], 0
    jz	  no_set_bgr_event
    xor   edi, edi
    mov   ecx, [TASK_COUNT]
set_bgr_event:
    add   edi, 256
    or	  [edi+SLOT_BASE+APPDATA.event_mask], 16
    loop  set_bgr_event
    mov   byte[BACKGROUND_CHANGED], 0
no_set_bgr_event:
    cmp   byte[REDRAW_BACKGROUND], 0		   ; background update ?
    jz	  nobackgr
    cmp    [background_defined], 0
    jz	  nobackgr
@@:
    call  drawbackground
    xor   eax, eax
    xchg  al, [REDRAW_BACKGROUND]
    test  al, al				   ; got new update request?
    jnz   @b
    mov   [draw_data+32 + RECT.left], eax
    mov   [draw_data+32 + RECT.top], eax
    mov   [draw_data+32 + RECT.right], eax
    mov   [draw_data+32 + RECT.bottom], eax
    mov   [MOUSE_BACKGROUND],byte 0
 
nobackgr:
 
    ; system shutdown request
 
    cmp  [SYS_SHUTDOWN],byte 0
    je	 noshutdown
 
    mov  edx,[shutdown_processes]
 
    cmp  [SYS_SHUTDOWN],dl
    jne  no_mark_system_shutdown
 
    lea   ecx,[edx-1]
    mov   edx,OS_BASE+0x3040
    jecxz @f
markz:
    mov   [edx+TASKDATA.state],byte 3
    add   edx,0x20
    loop  markz
@@:
 
  no_mark_system_shutdown:
 
    call [_display.disable_mouse]
 
    dec  byte [SYS_SHUTDOWN]
    je	 system_shutdown
 
noshutdown:
    mov   eax,[TASK_COUNT]		    ; termination
    mov   ebx,TASK_DATA+TASKDATA.state
    mov   esi,1
 
newct:
    mov   cl,[ebx]
    cmp   cl,byte 3
    jz	  terminate
    cmp   cl,byte 4
    jz	  terminate
 
    add   ebx,0x20
    inc   esi
    dec   eax
    jnz   newct
    ret
 
; redraw screen
; eax , if process window_data base is eax, do not set flag/limits
 
redrawscreen:
	 pushad
	 push  eax
 
	 xor   ecx,ecx			; redraw flags for apps
       newdw2:
 
	 inc   ecx
	 push  ecx
 
	 mov   eax,ecx
	 shl   eax,5
	 add   eax,window_data
 
	 cmp   eax,[esp+4]
	 je    not_this_task
				   ; check if window in redraw area
	 mov   edi,eax
 
	 cmp   ecx,1		   ; limit for background
	 jz    bgli
 
	 mov   eax, [edi + WDATA.box.left]
	 mov   ebx, [edi + WDATA.box.top]
	 mov   ecx, [edi + WDATA.box.width]
	 mov   edx, [edi + WDATA.box.height]
	 add   ecx,eax
	 add   edx,ebx
 
	 mov   ecx,[draw_limits.bottom]   ; ecx = area y end     ebx = window y start
	 cmp   ecx,ebx
	 jb    ricino
 
	 mov   ecx,[draw_limits.right]	 ; ecx = area x end     eax = window x start
	 cmp   ecx,eax
	 jb    ricino
 
	 mov   eax, [edi + WDATA.box.left]
	 mov   ebx, [edi + WDATA.box.top]
	 mov   ecx, [edi + WDATA.box.width]
	 mov   edx, [edi + WDATA.box.height]
	 add   ecx, eax
	 add   edx, ebx
 
	 mov   eax,[draw_limits.top]	; eax = area y start     edx = window y end
	 cmp   edx,eax
	 jb    ricino
 
	 mov   eax,[draw_limits.left]	 ; eax = area x start     ecx = window x end
	 cmp   ecx,eax
	 jb    ricino
 
	bgli:
 
	 cmp   dword[esp], 1
	 jnz   .az
	 cmp   byte[REDRAW_BACKGROUND], 0
	 jz    .az
	 mov   dl, 0
	 lea   eax,[edi+draw_data-window_data]
	 mov   ebx,[draw_limits.left]
	 cmp   ebx,[eax+RECT.left]
	 jae   @f
	 mov   [eax+RECT.left],ebx
	 mov   dl, 1
	@@:
	 mov   ebx,[draw_limits.top]
	 cmp   ebx,[eax+RECT.top]
	 jae   @f
	 mov   [eax+RECT.top],ebx
	 mov   dl, 1
	@@:
	 mov   ebx,[draw_limits.right]
	 cmp   ebx,[eax+RECT.right]
	 jbe   @f
	 mov   [eax+RECT.right],ebx
	 mov   dl, 1
	@@:
	 mov   ebx,[draw_limits.bottom]
	 cmp   ebx,[eax+RECT.bottom]
	 jbe   @f
	 mov   [eax+RECT.bottom],ebx
	 mov   dl, 1
	@@:
	 add   byte[REDRAW_BACKGROUND], dl
	 jmp   newdw8
	.az:
 
	 mov   eax,edi
	 add   eax,draw_data-window_data
 
	 mov   ebx,[draw_limits.left]	       ; set limits
	 mov   [eax + RECT.left], ebx
	 mov   ebx,[draw_limits.top]
	 mov   [eax + RECT.top], ebx
	 mov   ebx,[draw_limits.right]
	 mov   [eax + RECT.right], ebx
	 mov   ebx,[draw_limits.bottom]
	 mov   [eax + RECT.bottom], ebx
 
	 sub   eax,draw_data-window_data
 
	 cmp   dword [esp],1
	 jne   nobgrd
	 inc   byte[REDRAW_BACKGROUND]
 
 
       newdw8:
       nobgrd:
 
	 mov   [eax + WDATA.fl_redraw],byte 1	 ; mark as redraw
 
       ricino:
 
       not_this_task:
 
	 pop   ecx
 
	 cmp   ecx,[TASK_COUNT]
	 jle   newdw2
 
	 pop  eax
	 popad
 
	 ret
 
calculatebackground:   ; background
	mov   edi, [_WinMapAddress]		   ; set os to use all pixels
	mov   eax, 0x01010101
	mov   ecx, [_WinMapSize]
	shr   ecx, 2
	rep   stosd
 
	mov   byte[REDRAW_BACKGROUND], 0	      ; do not draw background!
	mov   byte[BACKGROUND_CHANGED], 0
 
	ret
 
uglobal
  imax	  dd 0x0
endg
 
delay_ms:     ; delay in 1/1000 sec
	push  eax
	push  ecx
 
	mov   ecx,esi
	; 
	imul  ecx, 33941
	shr   ecx, 9
	; 
 
	in    al,0x61
	and   al,0x10
	mov   ah,al
	cld
 
 cnt1:	in    al,0x61
	and   al,0x10
	cmp   al,ah
	jz    cnt1
 
	mov   ah,al
	loop  cnt1
 
	pop   ecx
	pop   eax
 
	ret
 
set_app_param:
	mov	edi, [TASK_BASE]
	mov	eax, [edi + TASKDATA.event_mask]
	mov	[edi + TASKDATA.event_mask], ebx
	mov	[esp+32], eax
	ret
 
delay_hs:     ; delay in 1/100 secs
; ebx = delay time
	push  ecx
	push  edx
 
	mov   edx,[timer_ticks]
 
      newtic:
	mov   ecx,[timer_ticks]
	sub   ecx,edx
	cmp   ecx,ebx
	jae   zerodelay
 
	call  change_task
 
	jmp   newtic
 
      zerodelay:
	pop   edx
	pop   ecx
 
	ret
 
align 16	;very often call this subrutine
memmove:       ; memory move in bytes
; eax = from
; ebx = to
; ecx = no of bytes
    test ecx, ecx
    jle  .ret
 
    push esi edi ecx
 
    mov  edi, ebx
    mov  esi, eax
 
    test ecx, not 11b
    jz	 @f
 
    push ecx
    shr  ecx, 2
    rep  movsd
    pop  ecx
    and  ecx, 11b
    jz	 .finish
  @@:
    rep  movsb
 
  .finish:
    pop  ecx edi esi
  .ret:
    ret
 
 
align 4
 
sys_programirq:
	; removed
    mov   dword [esp+32], 1	; operation failed
    ret
 
 
align 4
 
get_irq_data:
	; removed
     mov   dword [esp+32], -1
     ret
 
 
set_io_access_rights:
	;removed
     ret
 
r_f_port_area:
	; removed; always returns 0
     xor   eax, eax
     ret
 
 
reserve_free_irq:
     xor   esi, esi
     inc   esi
     cmp   ecx, 16
     jae   ril1
 
     push  ecx
     lea   ecx, [irq_owner + 4 * ecx]
     mov   edx, [ecx]
     mov   eax, [TASK_BASE]
     mov   edi, [eax + TASKDATA.pid]
     pop   eax
     dec   ebx
     jnz   reserve_irq
 
     cmp   edx, edi
     jne   ril1
     dec   esi
     mov   [ecx], esi
 
     jmp   ril1
 
  reserve_irq:
     cmp   dword [ecx], 0
     jne   ril1
 
     mov   ebx, [f_irqs + 4 * eax]
 
     stdcall attach_int_handler, eax, ebx, dword 0
 
     mov   [ecx], edi
 
     dec   esi
   ril1:
     mov   [esp+32], esi ; return in eax
     ret
 
iglobal
f_irqs:
     dd 0x0
     dd 0x0
     dd p_irq2
     dd p_irq3
     dd p_irq4
     dd p_irq5
     dd p_irq6
     dd p_irq7
     dd p_irq8
     dd p_irq9
     dd p_irq10
     dd p_irq11
     dd 0x0
     dd 0x0
     dd p_irq14
     dd p_irq15
 
endg
 
drawbackground:
;       inc   [mouse_pause]
;       call  draw_background    ; graph32.inc
;       dec   [mouse_pause]
;       call   [draw_pointer]
;       ret
       inc   [mouse_pause]
       cmp   [BgrDrawMode],dword 1
       jne   .bgrstr
       call  vesa20_drawbackground_tiled
	 jmp  @f
.bgrstr:
       call  vesa20_drawbackground_stretch
@@:
       dec   [mouse_pause]
       call   [draw_pointer]
       ret
 
; ====================================================================
if 0
; the new GFX sys
 
align 4
syscall_putimage:			; PutImage = SysFn07
sys_putimage:
     test  ecx,0x80008000		; ecx = { SizeX | SizeY }
     jnz   .exit			; edx = { OrigX | OrigY }
     test  ecx,0x0000FFFF		; ebx points to the 24bpp-image
     jz    .exit
     test  ecx,0xFFFF0000
     jnz   @f
  .exit:
     ret
 @@:
	push	edi
	mov	edi,[current_slot]
	add	dx,word[edi+APPDATA.wnd_clientbox.top]
	rol	edx,16
	add	dx,word[edi+APPDATA.wnd_clientbox.left]
	pop	edi
	rol	edx,16
  .forced:				; called from gui/skincode.inc [215]
	push	esi
	mov	esi, ecx
	shr	esi, 16 		; SizeX
	lea	esi, [esi*2+esi]	; 3 bytes per pixel
	mov	[img_buf_line_size], esi
	mov	[img_draw_core_fn], draw_core_24bpp
	mov	[img_draw_edge_fn], draw_edge_24bpp
	mov	[img_bytes_per_pix], 3
	pop	esi
 
sys_putimage_bpp:			; only called from sys_putimage_palette
	inc	[mouse_pause]
	call	_putimage
	dec	[mouse_pause]
	call	[draw_pointer]
	ret
 
 
align 4
sys_putimage_palette:			; sysFn 65
; ebx = pointer to image
; ecx = [xsize]*65536 + [ysize]
; edx = [xstart]*65536 + [ystart]
; esi = number of bits per pixel, must be 1, 8, 24 or 32
; edi = pointer to palette
; ebp = line offset
	mov	eax, [CURRENT_TASK]
	shl	eax, 8
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
	rol	edx, 16
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
	rol	edx, 16
.forced:
	push	eax
	push	esi
	mov	[img_palette], edi
	mov	eax, esi
	cmp	eax, 32 		;>32bpp (stupid call)
	ja	.exit
	shr	al, 3			; 0=1bpp or solid color
	mov	[img_bytes_per_pix], eax
	mov	esi, [eax*4 + img_core_proc_0]
	mov	[img_draw_core_fn], esi
	mov	esi, [eax*4 + img_edge_proc_0]
	mov	[img_draw_edge_fn], esi
	mov	esi, ecx
	shr	esi, 16 		; esi = SizeX
	imul	esi, eax
	or	al, al
	jnz	.done
	mov	eax, [esp]		; bits per pixel
	or	al, al
	jz	.done
.1bpp:
	add	esi, 7
	shr	esi, 3			; 8 pixels per byte
	mov	[img_draw_edge_fn], draw_edge_1bpp
	mov	[img_draw_core_fn], draw_core_1bpp
.done:
	add	esi, ebp		; + line offset
	mov	[img_buf_line_size], esi
	pop	esi
	pop	eax
	jmp	sys_putimage_bpp
.exit:
	ret
 
align 4
img_core_proc_0 	dd	draw_core_0bpp
img_core_proc_1 	dd	draw_core_8bpp
img_core_proc_2 	dd	draw_core_16bpp
img_core_proc_3 	dd	draw_core_24bpp
img_core_proc_4 	dd	draw_core_32bpp
 
img_edge_proc_0 	dd	draw_edge_0bpp
img_edge_proc_1 	dd	draw_edge_8bpp
img_edge_proc_2 	dd	draw_edge_16bpp
img_edge_proc_3 	dd	draw_edge_24bpp
img_edge_proc_4 	dd	draw_edge_32bpp
 
end if
; <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
; the old GFX sys
align 4
 
syscall_putimage:			; PutImage
sys_putimage:
     test  ecx,0x80008000
     jnz   .exit
     test  ecx,0x0000FFFF
     jz    .exit
     test  ecx,0xFFFF0000
     jnz   @f
  .exit:
     ret
 @@:
	mov	edi,[current_slot]
	add	dx,word[edi+APPDATA.wnd_clientbox.top]
	rol	edx,16
	add	dx,word[edi+APPDATA.wnd_clientbox.left]
	rol	edx,16
  .forced:
	push	ebp esi 0
	mov	ebp, putimage_get24bpp
	mov	esi, putimage_init24bpp
sys_putimage_bpp:
;        cmp     [SCR_MODE], word 0x12
;        jz      @f   ;.doit
;        mov     eax, vesa12_putimage
;        cmp     [SCR_MODE], word 0100000000000000b
;        jae     @f
;        cmp     [SCR_MODE], word 0x13
;        jnz     .doit
;@@:
	mov	eax, vesa20_putimage
.doit:
	inc	[mouse_pause]
	call	eax
	dec	[mouse_pause]
	pop	ebp esi ebp
	jmp	[draw_pointer]
align 4
sys_putimage_palette:
; ebx = pointer to image
; ecx = [xsize]*65536 + [ysize]
; edx = [xstart]*65536 + [ystart]
; esi = number of bits per pixel, must be 8, 24 or 32
; edi = pointer to palette
; ebp = row delta
	mov	eax, [CURRENT_TASK]
	shl	eax, 8
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
	rol	edx, 16
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
	rol	edx, 16
.forced:
	cmp	esi, 1
	jnz	@f
	push	edi
	mov	eax, [edi+4]
	sub	eax, [edi]
	push	eax
	push	dword [edi]
	push	0ffffff80h
	mov	edi, esp
	call	put_mono_image
	add	esp, 12
	pop	edi
	ret
@@:
	cmp	esi, 2
	jnz	@f
	push	edi
	push	0ffffff80h
	mov	edi, esp
	call	put_2bit_image
	pop	eax
	pop	edi
	ret
@@:
	cmp	esi, 4
	jnz	@f
	push	edi
	push	0ffffff80h
	mov	edi, esp
	call	put_4bit_image
	pop	eax
	pop	edi
	ret
@@:
	push	ebp esi ebp
	cmp	esi, 8
	jnz	@f
	mov	ebp, putimage_get8bpp
	mov	esi, putimage_init8bpp
	jmp	sys_putimage_bpp
@@:
	cmp	esi, 15
	jnz	@f
	mov	ebp, putimage_get15bpp
	mov	esi, putimage_init15bpp
	jmp	sys_putimage_bpp
@@:
	cmp	esi, 16
	jnz	@f
	mov	ebp, putimage_get16bpp
	mov	esi, putimage_init16bpp
	jmp	sys_putimage_bpp
@@:
	cmp	esi, 24
	jnz	@f
	mov	ebp, putimage_get24bpp
	mov	esi, putimage_init24bpp
	jmp	sys_putimage_bpp
@@:
	cmp	esi, 32
	jnz	@f
	mov	ebp, putimage_get32bpp
	mov	esi, putimage_init32bpp
	jmp	sys_putimage_bpp
@@:
	pop	ebp esi ebp
	ret
 
put_mono_image:
	push	ebp esi ebp
	mov	ebp, putimage_get1bpp
	mov	esi, putimage_init1bpp
	jmp	sys_putimage_bpp
put_2bit_image:
	push	ebp esi ebp
	mov	ebp, putimage_get2bpp
	mov	esi, putimage_init2bpp
	jmp	sys_putimage_bpp
put_4bit_image:
	push	ebp esi ebp
	mov	ebp, putimage_get4bpp
	mov	esi, putimage_init4bpp
	jmp	sys_putimage_bpp
 
putimage_init24bpp:
	lea	eax, [eax*3]
putimage_init8bpp:
	ret
 
align 16
putimage_get24bpp:
	movzx	eax, byte [esi+2]
	shl	eax, 16
	mov	ax, [esi]
	add	esi, 3
	ret	4
align 16
putimage_get8bpp:
	movzx	eax, byte [esi]
	push	edx
	mov	edx, [esp+8]
	mov	eax, [edx+eax*4]
	pop	edx
	inc	esi
	ret	4
 
putimage_init1bpp:
	add	eax, ecx
	push	ecx
	add	eax, 7
	add	ecx, 7
	shr	eax, 3
	shr	ecx, 3
	sub	eax, ecx
	pop	ecx
	ret
align 16
putimage_get1bpp:
	push	edx
	mov	edx, [esp+8]
	mov	al, [edx]
	add	al, al
	jnz	@f
	lodsb
	adc	al, al
@@:
	mov	[edx], al
	sbb	eax, eax
	and	eax, [edx+8]
	add	eax, [edx+4]
	pop	edx
	ret	4
 
putimage_init2bpp:
	add	eax, ecx
	push	ecx
	add	ecx, 3
	add	eax, 3
	shr	ecx, 2
	shr	eax, 2
	sub	eax, ecx
	pop	ecx
	ret
align 16
putimage_get2bpp:
	push	edx
	mov	edx, [esp+8]
	mov	al, [edx]
	mov	ah, al
	shr	al, 6
	shl	ah, 2
	jnz	.nonewbyte
	lodsb
	mov	ah, al
	shr	al, 6
	shl	ah, 2
	add	ah, 1
.nonewbyte:
	mov	[edx], ah
	mov	edx, [edx+4]
	movzx	eax, al
	mov	eax, [edx+eax*4]
	pop	edx
	ret	4
 
putimage_init4bpp:
	add	eax, ecx
	push	ecx
	add	ecx, 1
	add	eax, 1
	shr	ecx, 1
	shr	eax, 1
	sub	eax, ecx
	pop	ecx
	ret
align 16
putimage_get4bpp:
	push	edx
	mov	edx, [esp+8]
	add	byte [edx], 80h
	jc	@f
	movzx	eax, byte [edx+1]
	mov	edx, [edx+4]
	and	eax, 0x0F
	mov	eax, [edx+eax*4]
	pop	edx
	ret	4
@@:
	movzx	eax, byte [esi]
	add	esi, 1
	mov	[edx+1], al
	shr	eax, 4
	mov	edx, [edx+4]
	mov	eax, [edx+eax*4]
	pop	edx
	ret	4
 
putimage_init32bpp:
	shl	eax, 2
	ret
align 16
putimage_get32bpp:
	lodsd
	ret	4
 
putimage_init15bpp:
putimage_init16bpp:
	add	eax, eax
	ret
align 16
putimage_get15bpp:
; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000
	push	ecx edx
	movzx	eax, word [esi]
	add	esi, 2
	mov	ecx, eax
	mov	edx, eax
	and	eax, 0x1F
	and	ecx, 0x1F shl 5
	and	edx, 0x1F shl 10
	shl	eax, 3
	shl	ecx, 6
	shl	edx, 9
	or	eax, ecx
	or	eax, edx
	pop	edx ecx
	ret	4
 
align 16
putimage_get16bpp:
; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000
	push	ecx edx
	movzx	eax, word [esi]
	add	esi, 2
	mov	ecx, eax
	mov	edx, eax
	and	eax, 0x1F
	and	ecx, 0x3F shl 5
	and	edx, 0x1F shl 11
	shl	eax, 3
	shl	ecx, 5
	shl	edx, 8
	or	eax, ecx
	or	eax, edx
	pop	edx ecx
	ret	4
 
 
 
; ==================================================
; eax x beginning
; ebx y beginning
; ecx x end
; edx y end
; edi color
 
__sys_drawbar:
	mov	esi,[current_slot]
	add	eax,[esi+APPDATA.wnd_clientbox.left]
	add	ecx,[esi+APPDATA.wnd_clientbox.left]
	add	ebx,[esi+APPDATA.wnd_clientbox.top]
	add	edx,[esi+APPDATA.wnd_clientbox.top]
  .forced:
    inc   [mouse_pause]
    call  vesa20_drawbar
    dec   [mouse_pause]
    jmp   [draw_pointer]
 
 
kb_read:
	push	ecx edx
 
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kr_loop:
	in	al,0x64
	test	al,1
	jnz	kr_ready
	loop	kr_loop
	mov	ah,1
	jmp	kr_exit
      kr_ready:
	push	ecx
	mov	ecx,32
      kr_delay:
	loop	kr_delay
	pop	ecx
	in	al,0x60
	xor	ah,ah
      kr_exit:
 
	pop	edx ecx
 
	ret
 
 
kb_write:
 
	push	ecx edx
 
	mov	dl,al
	in	al,0x60
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop:
	in	al,0x64
	test	al,2
	jz	kw_ok
	loop	kw_loop
	mov	ah,1
	jmp	kw_exit
      kw_ok:
	mov	al,dl
	out	0x60,al
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop3:
	in	al,0x64
	test	al,2
	jz	kw_ok3
	loop	kw_loop3
	mov	ah,1
	jmp	kw_exit
      kw_ok3:
	mov	ah,8
      kw_loop4:
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop5:
	in	al,0x64
	test	al,1
	jnz	kw_ok4
	loop	kw_loop5
	dec	ah
	jnz	kw_loop4
      kw_ok4:
	xor	ah,ah
      kw_exit:
 
	pop	edx ecx
 
	ret
 
 
kb_cmd:
 
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      c_wait:
	in	al,0x64
	test	al,2
	jz	c_send
	loop	c_wait
	jmp	c_error
      c_send:
	mov	al,bl
	out	0x64,al
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      c_accept:
	in	al,0x64
	test	al,2
	jz	c_ok
	loop	c_accept
      c_error:
	mov	ah,1
	jmp	c_exit
      c_ok:
	xor	ah,ah
      c_exit:
	ret
 
 
rerouteirqs:
 
	cli
 
	mov	al,0x11 	;  icw4, edge triggered
	out	0x20,al
	call	pic_delay
	out	0xA0,al
	call	pic_delay
 
	mov	al,0x20 	;  generate 0x20 +
	out	0x21,al
	call	pic_delay
	mov	al,0x28 	;  generate 0x28 +
	out	0xA1,al
	call	pic_delay
 
	mov	al,0x04 	;  slave at irq2
	out	0x21,al
	call	pic_delay
	mov	al,0x02 	;  at irq9
	out	0xA1,al
	call	pic_delay
 
	mov	al,0x01 	;  8086 mode
	out	0x21,al
	call	pic_delay
	out	0xA1,al
	call	pic_delay
 
	mov	al,255		; mask all irq's
	out	0xA1,al
	call	pic_delay
	out	0x21,al
	call	pic_delay
 
	mov	ecx,0x1000
	cld
picl1:	call	pic_delay
	loop	picl1
 
	mov	al,255		; mask all irq's
	out	0xA1,al
	call	pic_delay
	out	0x21,al
	call	pic_delay
 
	cli
 
	ret
 
 
pic_delay:
 
	jmp	pdl1
pdl1:	ret
 
 
sys_msg_board_str:
 
     pushad
   @@:
     cmp    [esi],byte 0
     je     @f
     mov    eax,1
     movzx  ebx,byte [esi]
     call   sys_msg_board
     inc    esi
     jmp    @b
   @@:
     popad
     ret
 
sys_msg_board_byte:
; in: al = byte to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 2
	shl	eax, 24
	jmp	@f
 
sys_msg_board_word:
; in: ax = word to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 4
	shl	eax, 16
	jmp	@f
 
sys_msg_board_dword:
; in: eax = dword to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 8
@@:
	push	ecx
	rol	eax, 4
	push	eax
	and	al, 0xF
	cmp	al, 10
	sbb	al, 69h
	das
	mov	bl, al
	xor	eax, eax
	inc	eax
	call	sys_msg_board
	pop	eax
	pop	ecx
	loop	@b
	popad
	ret
 
uglobal
  msg_board_data: times 4096 db 0
  msg_board_count dd 0x0
endg
 
sys_msg_board:
 
; eax=1 : write :  bl byte to write
; eax=2 :  read :  ebx=0 -> no data, ebx=1 -> data in al
 
	mov	ecx, [msg_board_count]
	cmp	eax, 1
	jne	.smbl1
 
	mov	[msg_board_data+ecx],bl
	inc	ecx
	and	ecx, 4095
	mov	[msg_board_count], ecx
	mov	[check_idle_semaphore], 5
	ret
.smbl1:
	cmp	eax, 2
	jne	.smbl2
	test	ecx, ecx
	jz	.smbl21
	mov	eax, msg_board_data+1
	mov	ebx, msg_board_data
	movzx	edx, byte [ebx]
	call	memmove
	dec	[msg_board_count]
	mov	[esp + 36], edx ;eax
	mov	[esp + 24], dword 1
	ret
.smbl21:
	mov	[esp+36], ecx
	mov	[esp+24], ecx
.smbl2:
	ret
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 66 sys function.                                                ;;
;; in eax=66,ebx in [0..5],ecx,edx                                 ;;
;; out eax                                                         ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
iglobal
align 4
f66call:
	   dd sys_process_def.1   ; 1 = set keyboard mode
	   dd sys_process_def.2   ; 2 = get keyboard mode
	   dd sys_process_def.3   ; 3 = get keyboard ctrl, alt, shift
	   dd sys_process_def.4
	   dd sys_process_def.5
endg
 
 
 
 
sys_process_def:
	dec	ebx
	cmp	ebx,5
	jae	.not_support	;if >=6 then or eax,-1
 
	mov	edi, [CURRENT_TASK]
	jmp	dword [f66call+ebx*4]
 
.not_support:
	or	eax,-1
	ret
 
.1:
     shl   edi,8
     mov   [edi+SLOT_BASE + APPDATA.keyboard_mode],cl
 
     ret
 
.2:				; 2 = get keyboard mode
     shl   edi,8
     movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
     mov   [esp+32],eax
     ret
;     xor   eax,eax
;     movzx eax,byte [shift]
;     movzx ebx,byte [ctrl]
;     shl   ebx,2
;     add   eax,ebx
;     movzx ebx,byte [alt]
;     shl   ebx,3
;     add   eax,ebx
.3:				;3 = get keyboard ctrl, alt, shift
 ;// mike.dld [
     mov   eax, [kb_state]
 ;// mike.dld ]
     mov   [esp+32],eax
     ret
 
.4:
	mov	eax, hotkey_list
@@:
	cmp	dword [eax+8], 0
	jz	.found_free
	add	eax, 16
	cmp	eax, hotkey_list+16*256
	jb	@b
	mov	dword [esp+32], 1
	ret
.found_free:
	mov	[eax+8], edi
	mov	[eax+4], edx
	movzx	ecx, cl
	lea	ecx, [hotkey_scancodes+ecx*4]
	mov	edx, [ecx]
	mov	[eax], edx
	mov	[ecx], eax
	mov	[eax+12], ecx
	jecxz	@f
	mov	[edx+12], eax
@@:
	and	dword [esp+32], 0
	ret
 
.5:
	movzx	ebx, cl
	lea	ebx, [hotkey_scancodes+ebx*4]
	mov	eax, [ebx]
.scan:
	test	eax, eax
	jz	.notfound
	cmp	[eax+8], edi
	jnz	.next
	cmp	[eax+4], edx
	jz	.found
.next:
	mov	eax, [eax]
	jmp	.scan
.notfound:
	mov	dword [esp+32], 1
	ret
.found:
	mov	ecx, [eax]
	jecxz	@f
	mov	edx, [eax+12]
	mov	[ecx+12], edx
@@:
	mov	ecx, [eax+12]
	mov	edx, [eax]
	mov	[ecx], edx
	xor	edx, edx
	mov	[eax+4], edx
	mov	[eax+8], edx
	mov	[eax+12], edx
	mov	[eax], edx
	mov	[esp+32], edx
	ret
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 61 sys function.                                                ;;
;; in eax=61,ebx in [1..3]                                         ;;
;; out eax                                                         ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
iglobal
align 4
f61call:
	   dd sys_gs.1	 ; resolution
	   dd sys_gs.2	 ; bits per pixel
	   dd sys_gs.3	 ; bytes per scanline
endg
 
 
align 4
 
sys_gs: 			; direct screen access
	dec	ebx
	cmp	ebx,2
	ja	.not_support
	jmp	dword [f61call+ebx*4]
.not_support:
	or  [esp+32],dword -1
	ret
 
 
.1:				; resolution
     mov  eax,[Screen_Max_X]
     shl  eax,16
     mov  ax,[Screen_Max_Y]
     add  eax,0x00010001
     mov  [esp+32],eax
     ret
.2:				; bits per pixel
     movzx eax,byte [ScreenBPP]
     mov   [esp+32],eax
     ret
.3:				; bytes per scanline
     mov   eax,[BytesPerScanLine]
     mov   [esp+32],eax
     ret
 
align 4  ;  system functions
 
syscall_setpixel:			; SetPixel
 
	mov	eax, ebx
	mov	ebx, ecx
	mov	ecx, edx
	xor	edi, edi ; no force
	call	[_display.disable_mouse]
	jmp	[putpixel]
 
align 4
 
syscall_writetext:			; WriteText
 
	mov   eax,[TASK_BASE]
	mov   ebp,[eax-twdw+WDATA.box.left]
	push  esi
	mov   esi,[current_slot]
	add   ebp,[esi+APPDATA.wnd_clientbox.left]
	shl   ebp,16
	add   ebp,[eax-twdw+WDATA.box.top]
	add   bp,word[esi+APPDATA.wnd_clientbox.top]
	pop   esi
	add   ebx,ebp
	mov   eax,edi
	xor   edi,edi
	jmp   dtext
 
align 4
 
syscall_openramdiskfile:		; OpenRamdiskFile
 
	mov	eax, ebx
	mov	ebx, ecx
	mov	ecx, edx
	mov	edx, esi
	mov	esi, 12
	call	fileread
	mov	[esp+32], eax
	ret
 
align 4
 
syscall_drawrect:			; DrawRect
 
	mov	edi, edx ; color + gradient
	and	edi, 0x80FFFFFF
	test	bx, bx	; x.size
	je	.drectr
	test	cx, cx ; y.size
	je	.drectr
 
	mov	eax, ebx ; bad idea
	mov	ebx, ecx
 
	movzx	ecx, ax ; ecx - x.size
	shr	eax, 16 ; eax - x.coord
	movzx	edx, bx ; edx - y.size
	shr	ebx, 16 ; ebx - y.coord
	mov	esi, [current_slot]
 
	add	eax, [esi + APPDATA.wnd_clientbox.left]
	add	ebx, [esi + APPDATA.wnd_clientbox.top]
	add	ecx, eax
	add	edx, ebx
	jmp	[drawbar]
.drectr:
	ret
 
align 4
syscall_getscreensize:			; GetScreenSize
	mov	ax, [Screen_Max_X]
	shl	eax, 16
	mov	ax, [Screen_Max_Y]
	mov	[esp + 32], eax
	ret
 
align 4
 
 
align 4
 
syscall_getpixel:			; GetPixel
     mov   ecx, [Screen_Max_X]
     inc   ecx
     xor   edx, edx
     mov   eax, ebx
     div   ecx
     mov   ebx, edx
     xchg  eax, ebx
     call  get_pixel	; eax - x, ebx - y
     mov   [esp + 32], ecx
     ret
 
align 4
 
syscall_getarea:
;eax = 36
;ebx = pointer to bufer for img BBGGRRBBGGRR...
;ecx = [size x]*65536 + [size y]
;edx = [start x]*65536 + [start y]
     pushad
	 inc   [mouse_pause]
; Check of use of the hardware cursor.
      cmp  [_display.disable_mouse],__sys_disable_mouse
	  jne  @f
; Since the test for the coordinates of the mouse should not be used,
; then use the call [disable_mouse] is not possible!
      cmp  dword [MOUSE_VISIBLE],dword 0
      jne  @f
      pushf
      cli
      call draw_mouse_under
      popf
      mov  [MOUSE_VISIBLE],dword 1
@@:
     mov   edi,ebx
     mov   eax,edx
     shr   eax,16
     mov   ebx,edx
     and   ebx,0xffff
     dec   eax
	   dec	 ebx
     ; eax - x, ebx - y
     mov   edx,ecx
 
     shr   ecx,16
     and   edx,0xffff
     mov   esi,ecx
     ; ecx - size x, edx - size y
 
	 mov   ebp,edx
	 dec   ebp
     lea   ebp,[ebp*3]
 
	 imul  ebp,esi
 
	 mov   esi,ecx
	 dec   esi
	 lea   esi,[esi*3]
 
     add   ebp,esi
     add   ebp,edi
 
     add   ebx,edx
 
.start_y:
     push  ecx edx
.start_x:
     push  eax ebx ecx
     add   eax,ecx
 
     call  get_pixel ; eax - x, ebx - y
 
     mov   [ebp],cx
     shr   ecx,16
     mov   [ebp+2],cl
 
     pop   ecx ebx eax
     sub   ebp,3
     dec   ecx
     jnz   .start_x
	 pop   edx ecx
	 dec   ebx
     dec   edx
     jnz   .start_y
     dec	[mouse_pause]
; Check of use of the hardware cursor.
      cmp  [_display.disable_mouse],__sys_disable_mouse
	  jne  @f
	 call  [draw_pointer]
@@:
     popad
     ret
 
align 4
 
syscall_drawline:			; DrawLine
 
	mov	edi, [TASK_BASE]
	movzx	eax, word[edi-twdw+WDATA.box.left]
	mov	ebp, eax
	mov	esi, [current_slot]
	add	ebp, [esi+APPDATA.wnd_clientbox.left]
	add	ax, word[esi+APPDATA.wnd_clientbox.left]
	add	ebp,ebx
	shl	eax, 16
	movzx	ebx, word[edi-twdw+WDATA.box.top]
	add	eax, ebp
	mov	ebp, ebx
	add	ebp, [esi+APPDATA.wnd_clientbox.top]
	add	bx, word[esi+APPDATA.wnd_clientbox.top]
	add	ebp, ecx
	shl	ebx, 16
	xor	edi, edi
	add	ebx, ebp
	mov	ecx, edx
	jmp	[draw_line]
 
align 4
 
syscall_getirqowner:			; GetIrqOwner
 
     cmp   ebx,16
     jae   .err
 
     cmp   [irq_rights + 4 * ebx], dword 2
     je    .err
 
     mov   eax,[4 * ebx + irq_owner]
     mov   [esp+32],eax
 
     ret
.err:
     or    dword [esp+32], -1
     ret
 
align 4
 
syscall_reserveportarea:		; ReservePortArea and FreePortArea
 
     call  r_f_port_area
     mov   [esp+32],eax
     ret
 
align 4
 
syscall_threads:			; CreateThreads
; eax=1 create thread
;
;   ebx=thread start
;   ecx=thread stack value
;
; on return : eax = pid
 
     call  new_sys_threads
 
     mov   [esp+32],eax
     ret
 
align 4
 
stack_driver_stat:
 
     call  app_stack_handler		; Stack status
 
;     mov   [check_idle_semaphore],5    ; enable these for zero delay
;     call  change_task                 ; between sent packet
 
     mov   [esp+32],eax
     ret
 
align 4
 
socket: 				; Socket interface
     call  app_socket_handler
 
;     mov   [check_idle_semaphore],5    ; enable these for zero delay
;     call  change_task                 ; between sent packet
 
     mov   [esp+36],eax
     mov   [esp+24],ebx
     ret
 
align 4
 
read_from_hd:				; Read from hd - fn not in use
 
     mov   edi,[TASK_BASE]
     add   edi,TASKDATA.mem_start
     add   eax,[edi]
     add   ecx,[edi]
     add   edx,[edi]
     call  file_read
 
     mov   [esp+36],eax
     mov   [esp+24],ebx
 
     ret
 
paleholder:
	ret
 
align 4
set_screen:
	cmp eax, [Screen_Max_X]
	jne .set
 
	cmp edx, [Screen_Max_Y]
	jne .set
	ret
.set:
	pushfd
	cli
 
	mov [Screen_Max_X], eax
	mov [Screen_Max_Y], edx
	mov [BytesPerScanLine], ecx
 
	mov [screen_workarea.right],eax
	mov [screen_workarea.bottom], edx
 
	push ebx
	push esi
	push edi
 
	pushad
 
	stdcall kernel_free, [_WinMapAddress]
 
	mov eax, [_display.width]
	mul [_display.height]
	mov [_WinMapSize], eax
 
	stdcall kernel_alloc, eax
	mov [_WinMapAddress], eax
	test eax, eax
	jz .epic_fail
 
	popad
 
	call	repos_windows
	xor eax, eax
	xor ebx, ebx
	mov	ecx, [Screen_Max_X]
	mov	edx, [Screen_Max_Y]
	call	calculatescreen
	pop edi
	pop esi
	pop ebx
 
	popfd
	ret
 
.epic_fail:
	hlt			; Houston, we've had a problem
 
; --------------- APM ---------------------
 
align 4
sys_apm:
	xor	eax,eax
	inc	eax
	or	dword [esp + 44], eax	; error
	add	eax,7
	mov	dword [esp + 32], eax	; 32-bit protected-mode interface not supported
	ret
 
; -----------------------------------------
 
align 4
 
undefined_syscall:			; Undefined system call
     mov   [esp + 32], dword -1
     ret
 
align 4
system_shutdown:	  ; shut down the system
 
	   cmp byte [BOOT_VAR+0x9030], 1
	   jne @F
	   ret
@@:
	   call stop_all_services
 
yes_shutdown_param:
	   cli
 
 
	   mov al, 0xFF
	   out 0x21, al 	;IntrCntrl1Reg2
	   out 0xA1, al 	;IntrCntrl2Reg2
 
	cmp	byte [BOOT_VAR + 0x9030], 2
	jnz	pm_restart
if 0
	mov	al, SB_PM_CTRL_BLK
	mov	ah, al
	inc	ah
	mov	dx, 0x0CD6
	out	dx, al
	inc	dl
	in	al, dx
	mov	cl, al
	dec	dl
	mov	al, ah
	out	dx, al
	inc	dl
	in	al, dx
	mov	ch, al
end if
	mov	dx, 0x0804	;cx
	mov	ax, 0x03400
	out	dx, ax
; THE END...
	jmp	$	; just to be absolutely sure
 
 
pm_restart:
 
	   mov	al,0x0F
	   out	0x70,al 	; NmiEnable
	   mov	al,0x05
	   out	0x71,al 	; RtcData
 
	   mov	ax, 6
	   mov	dx, 0xCF9	; reset reg
	   out	dx, ax
 
	   hlt
	   jmp $-1
 
 
diff16 "End of 32-code ",0,$
 
include "data32.inc"
 
__REV__ = __REV
 
uglobals_size = $ - endofcode
diff16 "Zero-filled blk",0,endofcode
diff16 "End of kernel  ",0,$
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
;>
end>
end>
end>
>
>
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
 
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

Rev 3490	Rev 3519
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;;	2	;;
3	;; Copyright (C) KolibriOS team 2004-2013. All rights reserved.	3	;; Copyright (C) KolibriOS team 2004-2013. All rights reserved.
4	;; PROGRAMMING:	4	;; PROGRAMMING:
5	;; Ivan Poddubny	5	;; Ivan Poddubny
6	;; Marat Zakiyanov (Mario79)	6	;; Marat Zakiyanov (Mario79)
7	;; VaStaNi	7	;; VaStaNi
8	;; Trans	8	;; Trans
9	;; Mihail Semenyako (mike.dld)	9	;; Mihail Semenyako (mike.dld)
10	;; Sergey Kuzmin (Wildwest)	10	;; Sergey Kuzmin (Wildwest)
11	;; Andrey Halyavin (halyavin)	11	;; Andrey Halyavin (halyavin)
12	;; Mihail Lisovin (Mihasik)	12	;; Mihail Lisovin (Mihasik)
13	;; Andrey Ignatiev (andrew_programmer)	13	;; Andrey Ignatiev (andrew_programmer)
14	;; NoName	14	;; NoName
15	;; Evgeny Grechnikov (Diamond)	15	;; Evgeny Grechnikov (Diamond)
16	;; Iliya Mihailov (Ghost)	16	;; Iliya Mihailov (Ghost)
17	;; Sergey Semyonov (Serge)	17	;; Sergey Semyonov (Serge)
18	;; Johnny_B	18	;; Johnny_B
19	;; SPraid (simba)	19	;; SPraid (simba)
20	;; Hidnplayr	20	;; Hidnplayr
21	;; Alexey Teplov ()	21	;; Alexey Teplov ()
22	;; Artem Jerdev (art_zh)	22	;; Artem Jerdev (art_zh)
23	;;	23	;;
24	;; Data in this file was originally part of MenuetOS project which is	24	;; Data in this file was originally part of MenuetOS project which is
25	;; distributed under the terms of GNU GPL. It is modified and redistributed as	25	;; distributed under the terms of GNU GPL. It is modified and redistributed as
26	;; part of KolibriOS project under the terms of GNU GPL.	26	;; part of KolibriOS project under the terms of GNU GPL.
27	;;	27	;;
28	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa	28	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
29	;; PROGRAMMING:	29	;; PROGRAMMING:
30	;;	30	;;
31	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi	31	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
32	;; - main os coding/design	32	;; - main os coding/design
33	;; Jan-Michael Brummer, BUZZ2@gmx.de	33	;; Jan-Michael Brummer, BUZZ2@gmx.de
34	;; Felix Kaiser, info@felix-kaiser.de	34	;; Felix Kaiser, info@felix-kaiser.de
35	;; Paolo Minazzi, paolo.minazzi@inwind.it	35	;; Paolo Minazzi, paolo.minazzi@inwind.it
36	;; quickcode@mail.ru	36	;; quickcode@mail.ru
37	;; Alexey, kgaz@crosswinds.net	37	;; Alexey, kgaz@crosswinds.net
38	;; Juan M. Caravaca, bitrider@wanadoo.es	38	;; Juan M. Caravaca, bitrider@wanadoo.es
39	;; kristol@nic.fi	39	;; kristol@nic.fi
40	;; Mike Hibbett, mikeh@oceanfree.net	40	;; Mike Hibbett, mikeh@oceanfree.net
41	;; Lasse Kuusijarvi, kuusijar@lut.fi	41	;; Lasse Kuusijarvi, kuusijar@lut.fi
42	;; Jarek Pelczar, jarekp3@wp.pl	42	;; Jarek Pelczar, jarekp3@wp.pl
43	;;	43	;;
44	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY	44	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
45	;; WARRANTY. No author or distributor accepts responsibility to anyone for the	45	;; WARRANTY. No author or distributor accepts responsibility to anyone for the
46	;; consequences of using it or for whether it serves any particular purpose or	46	;; consequences of using it or for whether it serves any particular purpose or
47	;; works at all, unless he says so in writing. Refer to the GNU General Public	47	;; works at all, unless he says so in writing. Refer to the GNU General Public
48	;; License (the "GPL") for full details.	48	;; License (the "GPL") for full details.
49	;	49	;
50	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,	50	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
51	;; but only under the conditions described in the GPL. A copy of this license	51	;; but only under the conditions described in the GPL. A copy of this license
52	;; is supposed to have been given to you along with KolibriOS so you can know	52	;; is supposed to have been given to you along with KolibriOS so you can know
53	;; your rights and responsibilities. It should be in a file named COPYING.	53	;; your rights and responsibilities. It should be in a file named COPYING.
54	;; Among other things, the copyright notice and this notice must be preserved	54	;; Among other things, the copyright notice and this notice must be preserved
55	;; on all copies.	55	;; on all copies.
56	;;	56	;;
57	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	57	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
58		58
59	include 'macros.inc'	59	include 'macros.inc'
60		60
61	$Revision: 3490 $	61	$Revision: 3519 $
62		62
63		63
64	USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices	64	USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices
65		65
66	include "proc32.inc"	66	include "proc32.inc"
67	include "kglobals.inc"	67	include "kglobals.inc"
68		68
69	include "const.inc"	69	include "const.inc"
70	max_processes equ 255	70	max_processes equ 255
71	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4	71	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
72		72
73		73
74	os_stack equ (os_data_l-gdts) ; GDTs	74	os_stack equ (os_data_l-gdts) ; GDTs
75	os_code equ (os_code_l-gdts)	75	os_code equ (os_code_l-gdts)
76	graph_data equ (3+graph_data_l-gdts)	76	graph_data equ (3+graph_data_l-gdts)
77	tss0 equ (tss0_l-gdts)	77	tss0 equ (tss0_l-gdts)
78	app_code equ (3+app_code_l-gdts)	78	app_code equ (3+app_code_l-gdts)
79	app_data equ (3+app_data_l-gdts)	79	app_data equ (3+app_data_l-gdts)
80	app_tls equ (3+tls_data_l-gdts)	80	app_tls equ (3+tls_data_l-gdts)
81	pci_code_sel equ (pci_code_32-gdts)	81	pci_code_sel equ (pci_code_32-gdts)
82	pci_data_sel equ (pci_data_32-gdts)	82	pci_data_sel equ (pci_data_32-gdts)
83		83
84		84
85	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	85	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
86	;;	86	;;
87	;; Included files:	87	;; Included files:
88	;;	88	;;
89	;; Kernel16.inc	89	;; Kernel16.inc
90	;; - Bootcode.inc Hardware setup	90	;; - Bootcode.inc Hardware setup
91	;;	91	;;
92	;; Kernel32.inc	92	;; Kernel32.inc
93	;; - Sys32.inc Process management	93	;; - Sys32.inc Process management
94	;; - Shutdown.inc Shutdown and restart	94	;; - Shutdown.inc Shutdown and restart
95	;; - Fat32.inc Read / write hd	95	;; - Fat32.inc Read / write hd
96	;; - Vesa12.inc Vesa 1.2 driver	96	;; - Vesa12.inc Vesa 1.2 driver
97	;; - Vesa20.inc Vesa 2.0 driver	97	;; - Vesa20.inc Vesa 2.0 driver
98	;; - Vga.inc VGA driver	98	;; - Vga.inc VGA driver
99	;; - Stack.inc Network interface	99	;; - Stack.inc Network interface
100	;; - Mouse.inc Mouse pointer	100	;; - Mouse.inc Mouse pointer
101	;; - Scincode.inc Window skinning	101	;; - Scincode.inc Window skinning
102	;; - Pci32.inc PCI functions	102	;; - Pci32.inc PCI functions
103	;;	103	;;
104	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	104	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
105		105
106		106
107	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	107	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
108	;; ;;	108	;; ;;
109	;; 16 BIT ENTRY FROM BOOTSECTOR ;;	109	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
110	;; ;;	110	;; ;;
111	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	111	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
112		112
113	use16	113	use16
114	org 0x0	114	org 0x0
115	jmp start_of_code	115	jmp start_of_code
116		116
117	version db 'Kolibri-A version 0.1.0.0 ',13,10,13,10,0	117	version db 'Kolibri-A version 0.1.0.0 ',13,10,13,10,0
118		118
119	diff16 "bootcode start: ",0,$	119	diff16 "bootcode start: ",0,$
120	include "boot/bootcode.inc" ; 16 bit system boot code	120	include "boot/bootcode.inc" ; 16 bit system boot code
121		121
122	diff16 "biosdisk start: ",0,$	122	diff16 "biosdisk start: ",0,$
123	include "detect/biosdisk.inc"	123	include "detect/biosdisk.inc"
124		124
125	diff16 "end of code16 : ",0,$	125	diff16 "end of code16 : ",0,$
126		126
127	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	127	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
128	;; ;;	128	;; ;;
129	;; SWITCH TO 32 BIT PROTECTED MODE ;;	129	;; SWITCH TO 32 BIT PROTECTED MODE ;;
130	;; ;;	130	;; ;;
131	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	131	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
132		132
133	switch_32:	133	switch_32:
134	; CR0 Flags - Protected mode and Paging	134	; CR0 Flags - Protected mode and Paging
135		135
136	mov ecx, CR0_PE	136	mov ecx, CR0_PE
137		137
138	; Enabling 32 bit protected mode	138	; Enabling 32 bit protected mode
139		139
140	sidt [cs:old_ints_h]	140	sidt [cs:old_ints_h]
141		141
142	cli ; disable all irqs	142	cli ; disable all irqs
143	cld	143	cld
144	mov al,255 ; mask all irqs	144	mov al,255 ; mask all irqs
145	out 0xa1,al	145	out 0xa1,al
146	out 0x21,al	146	out 0x21,al
147	l.5: in al, 0x64 ; Enable A20	147	l.5: in al, 0x64 ; Enable A20
148	test al, 2	148	test al, 2
149	jnz l.5	149	jnz l.5
150	mov al, 0xD1	150	mov al, 0xD1
151	out 0x64, al	151	out 0x64, al
152	l.6: in al, 0x64	152	l.6: in al, 0x64
153	test al, 2	153	test al, 2
154	jnz l.6	154	jnz l.6
155	mov al, 0xDF	155	mov al, 0xDF
156	out 0x60, al	156	out 0x60, al
157	l.7: in al, 0x64	157	l.7: in al, 0x64
158	test al, 2	158	test al, 2
159	jnz l.7	159	jnz l.7
160	mov al, 0xFF	160	mov al, 0xFF
161	out 0x64, al	161	out 0x64, al
162		162
163	lgdt [cs:tmp_gdt] ; Load GDT	163	lgdt [cs:tmp_gdt] ; Load GDT
164	mov eax, cr0 ; protected mode	164	mov eax, cr0 ; protected mode
165	or eax, ecx	165	or eax, ecx
166	and eax, 10011111b 65536256 + 0xffffff ; caching enabled	166	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
167	mov cr0, eax	167	mov cr0, eax
168	jmp pword os_code:B32 ; jmp to enable 32 bit mode	168	jmp pword os_code:B32 ; jmp to enable 32 bit mode
169		169
170	align 8	170	align 8
171	tmp_gdt:	171	tmp_gdt:
172		172
173	dw 23	173	dw 23
174	dd tmp_gdt+0x10000	174	dd tmp_gdt+0x10000
175	dw 0	175	dw 0
176		176
177	dw 0xffff	177	dw 0xffff
178	dw 0x0000	178	dw 0x0000
179	db 0x00	179	db 0x00
180	dw 11011111b *256 +10011010b	180	dw 11011111b *256 +10011010b
181	db 0x00	181	db 0x00
182		182
183	dw 0xffff	183	dw 0xffff
184	dw 0x0000	184	dw 0x0000
185	db 0x00	185	db 0x00
186	dw 11011111b *256 +10010010b	186	dw 11011111b *256 +10010010b
187	db 0x00	187	db 0x00
188		188
189	diff10 "32bit enter sz :",switch_32,$	189	diff10 "32bit enter sz :",switch_32,$
190	diff16 "data16 start :",0,$	190	diff16 "data16 start :",0,$
191		191
192	include "data16.inc"	192	include "data16.inc"
193		193
194		194
195	use32	195	use32
196	org $+0x10000	196	org $+0x10000
197		197
198	align 4	198	align 4
199	B32:	199	B32:
200	diff16 "32-bit code start ",0,$	200	diff16 "32-bit code start ",0,$
201	mov ax,os_stack ; Selector for os	201	mov ax,os_stack ; Selector for os
202	mov ds,ax	202	mov ds,ax
203	mov es,ax	203	mov es,ax
204	mov fs,ax	204	mov fs,ax
205	mov gs,ax	205	mov gs,ax
206	mov ss,ax	206	mov ss,ax
207	mov esp,0x4ec00 ; Set stack	207	mov esp,0x4ec00 ; Set stack
208		208
209	;-------------------------------------------------------------------------------	209	;-------------------------------------------------------------------------------
210	call preinit_mem ; (init.inc)	210	call preinit_mem ; (init.inc)
211		211
212	call test_cpu ; (init.inc - to be moved to bus/CPU.inc)	212	call test_cpu ; (init.inc - to be moved to bus/CPU.inc)
213	bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc	213	bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
214		214
215	call init_BIOS32 ; (init.inc - to be removed later)	215	call init_BIOS32 ; (init.inc - to be removed later)
216		216
217	; PCIe extended config space access	217	; PCIe extended config space access
218		218
219	display '** Platform chosen (const.inc): '	219	display '** Platform chosen (const.inc): '
220	if PLATFORM>PLATFORM_RS780	220	if PLATFORM>PLATFORM_RS780
221	call fusion_pcie_init ; (bus/HT.inc)	221	call fusion_pcie_init ; (bus/HT.inc)
222	display 'RS880/Fusion '	222	display 'RS880/Fusion '
223	else	223	else
224	call rs7xx_pcie_init ; (bus/HT.inc)	224	call rs7xx_pcie_init ; (bus/HT.inc)
225	display 'RS780 '	225	display 'RS780 '
226	end if	226	end if
227	display 10,13	227	display 10,13
228		228
229		229
230	; MEMORY MODEL	230	; MEMORY MODEL
231	call init_mem ; (init.inc)	231	call init_mem ; (init.inc)
232		232
233	; ENABLE PAGING	233	; ENABLE PAGING
234		234
235	mov eax, sys_pgdir-OS_BASE	235	mov eax, sys_pgdir-OS_BASE
236	mov cr3, eax	236	mov cr3, eax
237		237
238	mov eax,cr0	238	mov eax,cr0
239	or eax,CR0_PG+CR0_WP	239	or eax,CR0_PG+CR0_WP
240	mov cr0,eax	240	mov cr0,eax
241		241
242	lgdt [gdts]	242	lgdt [gdts]
243	jmp pword os_code:high_code	243	jmp pword os_code:high_code
244		244
245	diff16 "32-bit init size ",B32,$	245	diff16 "32-bit init size ",B32,$
246		246
247	align 4	247	align 4
248	bios32_entry dd ?	248	bios32_entry dd ?
249	tmp_page_tabs dd ?	249	tmp_page_tabs dd ?
250		250
251		251
252	__DEBUG__ fix 1	252	__DEBUG__ fix 1
253	__DEBUG_LEVEL__ fix 1	253	__DEBUG_LEVEL__ fix 1
254	include 'init.inc'	254	include 'init.inc'
255		255
256	org OS_BASE+$	256	org OS_BASE+$
257		257
258	align 4	258	align 4
259	high_code:	259	high_code:
260	mov ax, os_stack	260	mov ax, os_stack
261	mov bx, app_data	261	mov bx, app_data
262	mov cx, app_tls	262	mov cx, app_tls
263	mov ss, ax	263	mov ss, ax
264	add esp, OS_BASE	264	add esp, OS_BASE
265		265
266	mov ds, bx	266	mov ds, bx
267	mov es, bx	267	mov es, bx
268	mov fs, cx	268	mov fs, cx
269	mov gs, bx	269	mov gs, bx
270		270
271	bt [cpu_caps], CAPS_PGE	271	bt [cpu_caps], CAPS_PGE
272	jnc @F	272	jnc @F
273		273
274	or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL	274	or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
275		275
276	mov ebx, cr4	276	mov ebx, cr4
277	or ebx, CR4_PGE	277	or ebx, CR4_PGE
278	mov cr4, ebx	278	mov cr4, ebx
279	@@:	279	@@:
280	xor eax, eax	280	xor eax, eax
281	mov dword [sys_pgdir], eax	281	mov dword [sys_pgdir], eax
282	mov dword [sys_pgdir+4], eax	282	mov dword [sys_pgdir+4], eax
283		283
284	mov eax, cr3	284	mov eax, cr3
285	mov cr3, eax ; flush TLB	285	mov cr3, eax ; flush TLB
286		286
287	; SAVE REAL MODE VARIABLES	287	; SAVE REAL MODE VARIABLES
288	xor eax, eax	288	xor eax, eax
289	mov [IDEContrRegsBaseAddr], ax	289	mov [IDEContrRegsBaseAddr], ax
290	; -----------------------------------------	290	; -----------------------------------------
291	inc eax	291	inc eax
292	; mov al, [BOOT_VAR+0x901F] ; DMA access	292	; mov al, [BOOT_VAR+0x901F] ; DMA access
293	mov [allow_dma_access], al	293	mov [allow_dma_access], al
294	mov eax, 32 ; << bpp	294	mov eax, 32 ; << bpp
295	mov [ScreenBPP],al	295	mov [ScreenBPP],al
296	mov [_display.bpp], eax	296	mov [_display.bpp], eax
297		297
298	mov [_display.vrefresh], 60	298	mov [_display.vrefresh], 60
299	mov [_display.disable_mouse], __sys_disable_mouse	299	mov [_display.disable_mouse], __sys_disable_mouse
300		300
301	mov eax, 1024 ; << X max	301	mov eax, 1024 ; << X max
302	mov [_display.width], eax	302	mov [_display.width], eax
303	dec eax	303	dec eax
304	mov [Screen_Max_X],eax	304	mov [Screen_Max_X],eax
305	mov [screen_workarea.right],eax	305	mov [screen_workarea.right],eax
306	mov eax,768 ; << Y max	306	mov eax,768 ; << Y max
307	mov [_display.height], eax	307	mov [_display.height], eax
308	dec eax	308	dec eax
309	mov [Screen_Max_Y],eax	309	mov [Screen_Max_Y],eax
310	mov [screen_workarea.bottom],eax	310	mov [screen_workarea.bottom],eax
311	mov eax, 0x7055 ; << screen mode	311	mov eax, 0x7055 ; << screen mode
312	mov [SCR_MODE],eax	312	mov [SCR_MODE],eax
313		313
314	mov eax, 4096 ; << may be different!	314	mov eax, 4096 ; << may be different!
315	mov [BytesPerScanLine],ax	315	mov [BytesPerScanLine],ax
316	mov [_display.pitch], eax	316	mov [_display.pitch], eax
317		317
318	mov eax, [_display.width]	318	mov eax, [_display.width]
319	mul [_display.height]	319	mul [_display.height]
320	mov [_WinMapSize], eax	320	mov [_WinMapSize], eax
321		321
322	mov esi, BOOT_VAR+0x9080	322	mov esi, BOOT_VAR+0x9080
323	movzx ecx, byte [esi-1]	323	movzx ecx, byte [esi-1]
324	mov [NumBiosDisks], ecx	324	mov [NumBiosDisks], ecx
325	mov edi, BiosDisksData	325	mov edi, BiosDisksData
326	rep movsd	326	rep movsd
327		327
328		328
329	; GRAPHICS ADDRESSES	329	; GRAPHICS ADDRESSES
330		330
331	and byte [BOOT_VAR+0x901e],0x0	331	and byte [BOOT_VAR+0x901e],0x0
332	mov eax, [BOOT_VAR+0x9018]	332	mov eax, [BOOT_VAR+0x9018]
333	mov [LFBAddress],eax	333	mov [LFBAddress],eax
334		334
335	mov [PUTPIXEL],dword __sys_putpixel	335	mov [PUTPIXEL],dword __sys_putpixel
336	mov [GETPIXEL],dword get_pixel	336	mov [GETPIXEL],dword get_pixel
337		337
338	; -------- Fast System Call init ----------	338	; -------- Fast System Call init ----------
339	.SEnP:	339	.SEnP:
340	; AMD SYSCALL/SYSRET	340	; AMD SYSCALL/SYSRET
341	mov ecx, MSR_AMD_EFER	341	mov ecx, MSR_AMD_EFER
342	rdmsr	342	rdmsr
343	or eax, 1 ; bit_0 - System Call Extension (SCE)	343	or eax, 1 ; bit_0 - System Call Extension (SCE)
344	wrmsr	344	wrmsr
345		345
346	; Bits of EDX :	346	; Bits of EDX :
347	; Bit 31..16 During the SYSRET instruction, this field is copied into the CS register	347	; Bit 31..16 During the SYSRET instruction, this field is copied into the CS register
348	; and the contents of this field, plus 8, are copied into the SS register.	348	; and the contents of this field, plus 8, are copied into the SS register.
349	; Bit 15..0 During the SYSCALL instruction, this field is copied into the CS register	349	; Bit 15..0 During the SYSCALL instruction, this field is copied into the CS register
350	; and the contents of this field, plus 8, are copied into the SS register.	350	; and the contents of this field, plus 8, are copied into the SS register.
351		351
352	mov edx, 0x1B000B ; RING3 task stack will be used for fast syscalls!	352	mov edx, 0x1B000B ; RING3 task stack will be used for fast syscalls!
353		353
354	mov eax, syscall_entry	354	mov eax, syscall_entry
355	mov ecx, MSR_AMD_STAR	355	mov ecx, MSR_AMD_STAR
356	wrmsr	356	wrmsr
357	.noSYSCALL:	357	.noSYSCALL:
358	; -----------------------------------------	358	; -----------------------------------------
359	stdcall alloc_page	359	stdcall alloc_page
360	stdcall map_page, tss-0xF80, eax, PG_SW ; lower 0xF80 bytes might be used for something	360	stdcall map_page, tss-0xF80, eax, PG_SW ; lower 0xF80 bytes might be used for something
361	stdcall alloc_page	361	stdcall alloc_page
362	inc eax	362	inc eax
363	mov [SLOT_BASE+256+APPDATA.io_map], eax	363	mov [SLOT_BASE+256+APPDATA.io_map], eax
364	stdcall map_page, tss+0x80, eax, PG_SW	364	stdcall map_page, tss+0x80, eax, PG_SW
365	stdcall alloc_page	365	stdcall alloc_page
366	inc eax	366	inc eax
367	mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax	367	mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax
368	stdcall map_page, tss+0x1080, eax, PG_SW	368	stdcall map_page, tss+0x1080, eax, PG_SW
369		369
370	; LOAD IDT	370	; LOAD IDT
371		371
372	call build_interrupt_table ;lidt is executed	372	call build_interrupt_table ;lidt is executed
373		373
374	call init_kernel_heap	374	call init_kernel_heap
375	stdcall kernel_alloc, RING0_STACK_SIZE+512	375	stdcall kernel_alloc, RING0_STACK_SIZE+512
376	mov [os_stack_seg], eax	376	mov [os_stack_seg], eax
377		377
378	lea esp, [eax+RING0_STACK_SIZE]	378	lea esp, [eax+RING0_STACK_SIZE]
379		379
380	mov [tss._ss0], os_stack	380	mov [tss._ss0], os_stack
381	mov [tss._esp0], esp	381	mov [tss._esp0], esp
382	mov [tss._esp], esp	382	mov [tss._esp], esp
383	mov [tss._cs],os_code	383	mov [tss._cs],os_code
384	mov [tss._ss],os_stack	384	mov [tss._ss],os_stack
385	mov [tss._ds],app_data	385	mov [tss._ds],app_data
386	mov [tss._es],app_data	386	mov [tss._es],app_data
387	mov [tss._fs],app_data	387	mov [tss._fs],app_data
388	mov [tss._gs],app_data	388	mov [tss._gs],app_data
389	mov [tss._io],128	389	mov [tss._io],128
390	;Add IO access table - bit array of permitted ports	390	;Add IO access table - bit array of permitted ports
391	mov edi, tss._io_map_0	391	mov edi, tss._io_map_0
392	xor eax, eax	392	xor eax, eax
393	mov ecx, 2047	393	mov ecx, 2047
394	rep stosd ; access to 65504 ports granted	394	rep stosd ; access to 65504 ports granted
395	not eax ; the last 32 ports blocked	395	not eax ; the last 32 ports blocked
396	stosd	396	stosd
397		397
398	mov ax,tss0	398	mov ax,tss0
399	ltr ax	399	ltr ax
400		400
401	mov [LFBSize], 0x800000	401	mov [LFBSize], 0x800000
402	call init_LFB	402	call init_LFB
403	call init_fpu	403	call init_fpu
404	call init_malloc	404	call init_malloc
405	;-	405	;-
406	stdcall alloc_kernel_space, 0x51000	406	stdcall alloc_kernel_space, 0x51000
407	mov [default_io_map], eax	407	mov [default_io_map], eax
408		408
409	add eax, 0x2000	409	add eax, 0x2000
410	mov [ipc_tmp], eax	410	mov [ipc_tmp], eax
411	mov ebx, 0x1000	411	mov ebx, 0x1000
412		412
413	add eax, 0x40000	413	add eax, 0x40000
414	mov [proc_mem_map], eax	414	mov [proc_mem_map], eax
415		415
416	add eax, 0x8000	416	add eax, 0x8000
417	mov [proc_mem_pdir], eax	417	mov [proc_mem_pdir], eax
418		418
419	add eax, ebx	419	add eax, ebx
420	mov [proc_mem_tab], eax	420	mov [proc_mem_tab], eax
421		421
422	add eax, ebx	422	add eax, ebx
423	mov [tmp_task_pdir], eax	423	mov [tmp_task_pdir], eax
424		424
425	add eax, ebx	425	add eax, ebx
426	mov [tmp_task_ptab], eax	426	mov [tmp_task_ptab], eax
427		427
428	add eax, ebx	428	add eax, ebx
429	mov [ipc_pdir], eax	429	mov [ipc_pdir], eax
430		430
431	add eax, ebx	431	add eax, ebx
432	mov [ipc_ptab], eax	432	mov [ipc_ptab], eax
433		433
434	stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \	434	stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
435	(unpack.lc+unpack.lp)))*4	435	(unpack.lc+unpack.lp)))*4
436		436
437	mov [unpack.p], eax ; unpacker.inc	437	mov [unpack.p], eax ; unpacker.inc
438		438
439	call init_events	439	call init_events
440	mov eax, srv.fd-SRV_FD_OFFSET	440	mov eax, srv.fd-SRV_FD_OFFSET
441	mov [srv.fd], eax	441	mov [srv.fd], eax
442	mov [srv.bk], eax	442	mov [srv.bk], eax
443		443
444	mov edi, irq_tab	444	mov edi, irq_tab
445	xor eax, eax	445	xor eax, eax
446	mov ecx, 16	446	mov ecx, 16
447	rep stosd	447	rep stosd
448		448
449	;Set base of graphic segment to linear address of LFB	449	;Set base of graphic segment to linear address of LFB
450	mov eax,[LFBAddress] ; set for gs	450	mov eax,[LFBAddress] ; set for gs
451	mov [graph_data_l+2],ax	451	mov [graph_data_l+2],ax
452	shr eax,16	452	shr eax,16
453	mov [graph_data_l+4],al	453	mov [graph_data_l+4],al
454	mov [graph_data_l+7],ah	454	mov [graph_data_l+7],ah
455		455
456	; or [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<	456	; or [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<
457	stdcall kernel_alloc, [_WinMapSize]	457	stdcall kernel_alloc, [_WinMapSize]
458	mov [_WinMapAddress], eax	458	mov [_WinMapAddress], eax
459	; xor [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<	459	; xor [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<
460		460
461	xor eax,eax	461	xor eax,eax
462	inc eax	462	inc eax
463	mov [CURRENT_TASK],eax ;dword 1	463	mov [CURRENT_TASK],eax ;dword 1
464	mov [TASK_COUNT],eax ;dword 1	464	mov [TASK_COUNT],eax ;dword 1
465	mov [TASK_BASE],dword TASK_DATA	465	mov [TASK_BASE],dword TASK_DATA
466	mov [current_slot], SLOT_BASE+256	466	mov [current_slot], SLOT_BASE+256
467		467
468	; set background	468	; set background
469		469
470	mov [BgrDrawMode],eax	470	mov [BgrDrawMode],eax
471	mov [BgrDataWidth],eax	471	mov [BgrDataWidth],eax
472	mov [BgrDataHeight],eax	472	mov [BgrDataHeight],eax
473	mov [mem_BACKGROUND], 4	473	mov [mem_BACKGROUND], 4
474	mov [img_background], static_background_data	474	mov [img_background], static_background_data
475		475
476	mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE	476	mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
477		477
478	stdcall kernel_alloc, 0x10000/8	478	stdcall kernel_alloc, 0x10000/8
479	mov edi, eax	479	mov edi, eax
480	mov [network_free_ports], eax	480	mov [network_free_ports], eax
481	or eax, -1	481	or eax, -1
482	mov ecx, 0x10000/32	482	mov ecx, 0x10000/32
483	rep stosd	483	rep stosd
484		484
485	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f	485	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
486		486
487	call rerouteirqs	487	call rerouteirqs
488		488
489	; Initialize system V86 machine	489	; Initialize system V86 machine
490	call init_sys_v86	490	call init_sys_v86
491		491
492	; TIMER SET TO 1/100 S	492	; TIMER SET TO 1/100 S
493		493
494	mov al,0x34 ; set to 100Hz	494	mov al,0x34 ; set to 100Hz
495	out 0x43,al	495	out 0x43,al
496	mov al,0x9b ; lsb 1193180 / 1193	496	mov al,0x9b ; lsb 1193180 / 1193
497	out 0x40,al	497	out 0x40,al
498	mov al,0x2e ; msb	498	mov al,0x2e ; msb
499	out 0x40,al	499	out 0x40,al
500		500

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-A/trunk/kernel.asm – Rev 3490 → 3519