WebSVN – Kolibri OS – Blame – /kernel/branches/kolibri-process/kernel.asm

Rev	Author	Line No.	Line
4429	Serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;;
		3	;; Copyright (C) KolibriOS team 2004-2013. All rights reserved.
		4	;; PROGRAMMING:
		5	;; Ivan Poddubny
		6	;; Marat Zakiyanov (Mario79)
		7	;; VaStaNi
		8	;; Trans
		9	;; Mihail Semenyako (mike.dld)
		10	;; Sergey Kuzmin (Wildwest)
		11	;; Andrey Halyavin (halyavin)
		12	;; Mihail Lisovin (Mihasik)
		13	;; Andrey Ignatiev (andrew_programmer)
		14	;; NoName
		15	;; Evgeny Grechnikov (Diamond)
		16	;; Iliya Mihailov (Ghost)
		17	;; Sergey Semyonov (Serge)
		18	;; Johnny_B
		19	;; SPraid (simba)
		20	;; Hidnplayr
		21	;; Alexey Teplov ()
		22	;; Rus
		23	;; Nable
		24	;; shurf
		25	;; Alver
		26	;; Maxis
		27	;; Galkov
		28	;; CleverMouse
		29	;; tsdima
		30	;; turbanoff
		31	;; Asper
		32	;; art_zh
		33	;;
		34	;; Data in this file was originally part of MenuetOS project which is
		35	;; distributed under the terms of GNU GPL. It is modified and redistributed as
		36	;; part of KolibriOS project under the terms of GNU GPL.
		37	;;
		38	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
		39	;; PROGRAMMING:
		40	;;
		41	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
		42	;; - main os coding/design
		43	;; Jan-Michael Brummer, BUZZ2@gmx.de
		44	;; Felix Kaiser, info@felix-kaiser.de
		45	;; Paolo Minazzi, paolo.minazzi@inwind.it
		46	;; quickcode@mail.ru
		47	;; Alexey, kgaz@crosswinds.net
		48	;; Juan M. Caravaca, bitrider@wanadoo.es
		49	;; kristol@nic.fi
		50	;; Mike Hibbett, mikeh@oceanfree.net
		51	;; Lasse Kuusijarvi, kuusijar@lut.fi
		52	;; Jarek Pelczar, jarekp3@wp.pl
		53	;;
		54	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
		55	;; WARRANTY. No author or distributor accepts responsibility to anyone for the
		56	;; consequences of using it or for whether it serves any particular purpose or
		57	;; works at all, unless he says so in writing. Refer to the GNU General Public
		58	;; License (the "GPL") for full details.
		59	;
		60	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
		61	;; but only under the conditions described in the GPL. A copy of this license
		62	;; is supposed to have been given to you along with KolibriOS so you can know
		63	;; your rights and responsibilities. It should be in a file named COPYING.
		64	;; Among other things, the copyright notice and this notice must be preserved
		65	;; on all copies.
		66	;;
		67	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		68
		69	format binary as "mnt"
		70
		71	include 'macros.inc'
		72	include 'struct.inc'
		73
		74	$Revision: 4381 $
		75
		76
		77	USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices
		78	VESA_1_2_VIDEO equ 0 ; enable vesa 1.2 bank switch functions
		79
		80	; Enabling the next line will enable serial output console
		81	;debug_com_base equ 0x3f8 ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used
		82
		83	include "proc32.inc"
		84	include "kglobals.inc"
		85	include "lang.inc"
		86	include "encoding.inc"
		87
		88	include "const.inc"
		89
		90	iglobal
		91	; The following variable, if equal to 1, duplicates debug output to the screen.
		92	debug_direct_print db 0
		93	; Start the first app (LAUNCHER) after kernel is loaded? (1=yes, 2 or 0=no)
		94	launcher_start db 1
		95	endg
		96
		97	max_processes equ 255
		98	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
		99
		100	os_stack equ (os_data_l-gdts) ; GDTs
		101	os_code equ (os_code_l-gdts)
		102	graph_data equ (3+graph_data_l-gdts)
		103	tss0 equ (tss0_l-gdts)
		104	app_code equ (3+app_code_l-gdts)
		105	app_data equ (3+app_data_l-gdts)
		106	app_tls equ (3+tls_data_l-gdts)
		107	pci_code_sel equ (pci_code_32-gdts)
		108	pci_data_sel equ (pci_data_32-gdts)
		109
		110
		111	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		112	;;
		113	;; Included files:
		114	;;
		115	;; Kernel16.inc
		116	;; - Booteng.inc English text for bootup
		117	;; - Bootcode.inc Hardware setup
		118	;; - Pci16.inc PCI functions
		119	;;
		120	;; Kernel32.inc
		121	;; - Sys32.inc Process management
		122	;; - Shutdown.inc Shutdown and restart
		123	;; - Fat32.inc Read / write hd
		124	;; - Vesa12.inc Vesa 1.2 driver
		125	;; - Vesa20.inc Vesa 2.0 driver
		126	;; - Vga.inc VGA driver
		127	;; - Stack.inc Network interface
		128	;; - Mouse.inc Mouse pointer
		129	;; - Scincode.inc Window skinning
		130	;; - Pci32.inc PCI functions
		131	;;
		132	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		133
		134
		135	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		136	;; ;;
		137	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
		138	;; ;;
		139	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		140
		141	use16
		142	org 0x0
		143	jmp start_of_code
		144
		145	if lang eq sp
		146	include "kernelsp.inc" ; spanish kernel messages
		147	else if lang eq et
		148	version db 'Kolibri OS versioon 0.7.7.0+ ',13,10,13,10,0
		149	else
		150	version db 'Kolibri OS version 0.7.7.0+ ',13,10,13,10,0
		151	end if
		152
		153	include "boot/bootstr.inc" ; language-independent boot messages
		154	include "boot/preboot.inc"
		155
		156	if lang eq ge
		157	include "boot/bootge.inc" ; german system boot messages
		158	else if lang eq sp
		159	include "boot/bootsp.inc" ; spanish system boot messages
		160	else if lang eq ru
		161	include "boot/bootru.inc" ; russian system boot messages
		162	include "boot/ru.inc" ; Russian font
		163	else if lang eq et
		164	include "boot/bootet.inc" ; estonian system boot messages
		165	include "boot/et.inc" ; Estonian font
		166	else
		167	include "boot/booten.inc" ; english system boot messages
		168	end if
		169
		170	include "boot/bootcode.inc" ; 16 bit system boot code
		171	include "bus/pci/pci16.inc"
		172	include "detect/biosdisk.inc"
		173
		174	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		175	;; ;;
		176	;; SWITCH TO 32 BIT PROTECTED MODE ;;
		177	;; ;;
		178	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		179
		180
		181	; CR0 Flags - Protected mode and Paging
		182
		183	mov ecx, CR0_PE
		184
		185	; Enabling 32 bit protected mode
		186
		187	sidt [cs:old_ints_h]
		188
		189	cli ; disable all irqs
		190	cld
		191	mov al, 255 ; mask all irqs
		192	out 0xa1, al
		193	out 0x21, al
		194	l.5:
		195	in al, 0x64 ; Enable A20
		196	test al, 2
		197	jnz l.5
		198	mov al, 0xD1
		199	out 0x64, al
		200	l.6:
		201	in al, 0x64
		202	test al, 2
		203	jnz l.6
		204	mov al, 0xDF
		205	out 0x60, al
		206	l.7:
		207	in al, 0x64
		208	test al, 2
		209	jnz l.7
		210	mov al, 0xFF
		211	out 0x64, al
		212
		213	lgdt [cs:tmp_gdt] ; Load GDT
		214	mov eax, cr0 ; protected mode
		215	or eax, ecx
		216	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
		217	mov cr0, eax
		218	jmp pword os_code:B32 ; jmp to enable 32 bit mode
		219
		220	align 8
		221	tmp_gdt:
		222
		223	dw 23
		224	dd tmp_gdt+0x10000
		225	dw 0
		226
		227	dw 0xffff
		228	dw 0x0000
		229	db 0x00
		230	dw 11011111b *256 +10011010b
		231	db 0x00
		232
		233	dw 0xffff
		234	dw 0x0000
		235	db 0x00
		236	dw 11011111b *256 +10010010b
		237	db 0x00
		238
		239	include "data16.inc"
		240
		241	if ~ lang eq sp
		242	diff16 "end of bootcode",0,$+0x10000
		243	end if
		244
		245	use32
		246	org $+0x10000
		247
		248	align 4
		249	B32:
		250	mov ax, os_stack ; Selector for os
		251	mov ds, ax
		252	mov es, ax
		253	mov fs, ax
		254	mov gs, ax
		255	mov ss, ax
		256	mov esp, 0x006CC00 ; Set stack
		257
		258	; CLEAR 0x280000 - HEAP_BASE
		259
		260	xor eax, eax
		261	mov edi, CLEAN_ZONE
		262	mov ecx, (HEAP_BASE-OS_BASE-CLEAN_ZONE) / 4
		263	cld
		264	rep stosd
		265
		266	; CLEAR KERNEL UNDEFINED GLOBALS
		267	mov edi, endofcode-OS_BASE
		268	mov ecx, 0x90000
		269	sub ecx, edi
		270	shr ecx, 2
		271	rep stosd
		272
		273	; SAVE & CLEAR 0-0xffff
		274
		275	mov edi, 0x1000
		276	mov ecx, 0x8000 / 4
		277	rep stosd
		278	mov edi, 0xa000
		279	mov ecx, 0x6000 / 4
		280	rep stosd
		281
		282	call test_cpu
		283	bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
		284
		285	call check_acpi
		286	call init_BIOS32
		287	; MEMORY MODEL
		288	call mem_test
		289	call init_mem
		290	call init_page_map
		291
		292	; ENABLE PAGING
		293
		294	mov eax, sys_proc-OS_BASE+PROC.pdt_0
		295	mov cr3, eax
		296
		297	mov eax, cr0
		298	or eax, CR0_PG+CR0_WP
		299	mov cr0, eax
		300
		301	lgdt [gdts]
		302	jmp pword os_code:high_code
		303
		304	align 4
		305	bios32_entry dd ?
		306	tmp_page_tabs dd ?
		307
		308	use16
		309	org $-0x10000
		310	include "boot/shutdown.inc" ; shutdown or restart
		311	org $+0x10000
		312	use32
		313
		314	__DEBUG__ fix 1
		315	__DEBUG_LEVEL__ fix 1
		316	include 'init.inc'
		317
		318	org OS_BASE+$
		319
		320	include 'fdo.inc'
		321
		322	align 4
		323	high_code:
		324	mov ax, os_stack
		325	mov bx, app_data
		326	mov cx, app_tls
		327	mov ss, ax
		328	add esp, OS_BASE
		329
		330	mov ds, bx
		331	mov es, bx
		332	mov fs, cx
		333	mov gs, bx
		334
		335	bt [cpu_caps], CAPS_PGE
		336	jnc @F
		337
		338	or dword [sys_proc+PROC.pdt_0+(OS_BASE shr 20)], PG_GLOBAL
		339
		340	mov ebx, cr4
		341	or ebx, CR4_PGE
		342	mov cr4, ebx
		343	@@:
		344	xor eax, eax
		345	mov dword [sys_proc+PROC.pdt_0], eax
		346	mov dword [sys_proc+PROC.pdt_0+4], eax
		347
		348	mov eax, cr3
		349	mov cr3, eax ; flush TLB
		350
		351	mov ecx, pg_data.mutex
		352	call mutex_init
		353
		354	mov ecx, disk_list_mutex
		355	call mutex_init
		356
		357	mov ecx, keyboard_list_mutex
		358	call mutex_init
		359
		360	mov ecx, unpack_mutex
		361	call mutex_init
		362
		363	mov ecx, application_table_mutex
		364	call mutex_init
		365
		366	mov ecx, ide_mutex
		367	call mutex_init
		368	mov ecx, ide_channel1_mutex
		369	call mutex_init
		370	mov ecx, ide_channel2_mutex
		371	call mutex_init
		372	;-----------------------------------------------------------------------------
		373	; SAVE REAL MODE VARIABLES
		374	;-----------------------------------------------------------------------------
		375	save_variables_IDE_controller:
		376	xor eax, eax
		377	mov ax, [BOOT_VARS + BOOT_IDE_INTERR_16]
		378	mov [IDE_Interrupt], ax
		379	;--------------------------------------
		380	mov ax, [BOOT_VARS + BOOT_IDE_PI_16]
		381	mov [IDEContrProgrammingInterface], ax
		382	;--------------------------------------
		383	mov ax, [BOOT_VARS + BOOT_IDE_BASE_ADDR]
		384	mov [IDEContrRegsBaseAddr], ax
		385	;--------------------------------------
		386	mov ax, [BOOT_VARS + BOOT_IDE_BAR0_16]
		387	cmp ax, 0
		388	je @f
		389	cmp ax, 1
		390	jne .no_PATA_BAR0
		391	@@:
		392	mov ax, 0x1F0
		393	jmp @f
		394	.no_PATA_BAR0:
		395	and ax, 0xFFFC
		396	@@:
		397	mov [StandardATABases], ax
		398	mov [hd_address_table], eax
		399	mov [hd_address_table+8], eax
		400	mov [IDE_BAR0_val], ax
		401	;--------------------------------------
		402	mov ax, [BOOT_VARS + BOOT_IDE_BAR1_16]
		403	cmp ax, 0
		404	je @f
		405	cmp ax, 1
		406	jne .no_PATA_BAR1
		407	@@:
		408	mov ax, 0x3F4
		409	jmp @f
		410	.no_PATA_BAR1:
		411	and ax, 0xFFFC
		412	@@:
		413	mov [IDE_BAR1_val], ax
		414	;--------------------------------------
		415	mov ax, [BOOT_VARS + BOOT_IDE_BAR2_16]
		416	cmp ax, 0
		417	je @f
		418	cmp ax, 1
		419	jne .no_PATA_BAR2
		420	@@:
		421	mov ax, 0x170
		422	jmp @f
		423	.no_PATA_BAR2:
		424	and ax, 0xFFFC
		425	@@:
		426	mov [StandardATABases+2], ax
		427	mov [hd_address_table+16], eax
		428	mov [hd_address_table+24], eax
		429	mov [IDE_BAR2_val], ax
		430	;--------------------------------------
		431	mov ax, [BOOT_VARS + BOOT_IDE_BAR3_16]
		432	cmp ax, 0
		433	je @f
		434	cmp ax, 1
		435	jne .no_PATA_BAR3
		436	@@:
		437	mov ax, 0x374
		438	jmp @f
		439	.no_PATA_BAR3:
		440	and ax, 0xFFFC
		441	@@:
		442	mov [IDE_BAR3_val], ax
		443
		444	; --------------- APM ---------------------
		445
		446	; init selectors
		447	mov ebx, [BOOT_VARS+BOOT_APM_ENTRY] ; offset of APM entry point
		448	movzx eax, word [BOOT_VARS+BOOT_APM_CODE_32] ; real-mode segment base address of
		449	; protected-mode 32-bit code segment
		450	movzx ecx, word [BOOT_VARS+BOOT_APM_CODE_16]; real-mode segment base address of
		451	; protected-mode 16-bit code segment
		452	movzx edx, word [BOOT_VARS+BOOT_APM_DATA_16]; real-mode segment base address of
		453	; protected-mode 16-bit data segment
		454
		455	shl eax, 4
		456	mov [dword apm_code_32 + 2], ax
		457	shr eax, 16
		458	mov [dword apm_code_32 + 4], al
		459
		460	shl ecx, 4
		461	mov [dword apm_code_16 + 2], cx
		462	shr ecx, 16
		463	mov [dword apm_code_16 + 4], cl
		464
		465	shl edx, 4
		466	mov [dword apm_data_16 + 2], dx
		467	shr edx, 16
		468	mov [dword apm_data_16 + 4], dl
		469
		470	mov dword[apm_entry], ebx
		471	mov word [apm_entry + 4], apm_code_32 - gdts
		472
		473	mov eax, [BOOT_VARS + BOOT_APM_VERSION] ; version & flags
		474	mov [apm_vf], eax
		475	; -----------------------------------------
		476	mov al, [BOOT_VARS+BOOT_DMA] ; DMA access
		477	mov [allow_dma_access], al
		478	movzx eax, byte [BOOT_VARS+BOOT_BPP] ; bpp
		479	mov [_display.bpp], eax
		480	mov [_display.vrefresh], 60
		481	mov al, [BOOT_VARS+BOOT_DEBUG_PRINT] ; If nonzero, duplicates debug output to the screen
		482	mov [debug_direct_print], al
		483	mov al, [BOOT_VARS+BOOT_LAUNCHER_START] ; Start the first app (LAUNCHER) after kernel is loaded?
		484	mov [launcher_start], al
		485	movzx eax, word [BOOT_VARS+BOOT_X_RES]; X max
		486	mov [_display.width], eax
		487	mov [display_width_standard], eax
		488	dec eax
		489	mov [Screen_Max_X], eax
		490	mov [screen_workarea.right], eax
		491	movzx eax, word [BOOT_VARS+BOOT_Y_RES]; Y max
		492	mov [_display.height], eax
		493	mov [display_height_standard], eax
		494	dec eax
		495	mov [Screen_Max_Y], eax
		496	mov [screen_workarea.bottom], eax
		497	movzx eax, word [BOOT_VARS+BOOT_VESA_MODE] ; screen mode
		498	mov dword [SCR_MODE], eax
		499	; mov eax, [BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add
		500	; mov [BANK_SWITCH], eax
		501	mov eax, 640 *4 ; Bytes PerScanLine
		502	cmp [SCR_MODE], word 0x13 ; 320x200
		503	je @f
		504	cmp [SCR_MODE], word 0x12 ; VGA 640x480
		505	je @f
		506	movzx eax, word[BOOT_VARS+BOOT_PITCH] ; for other modes
		507	@@:
		508	mov [_display.pitch], eax
		509	mov eax, [_display.width]
		510	mul [_display.height]
		511	mov [_WinMapSize], eax
		512
		513	call calculate_fast_getting_offset_for_WinMapAddress
		514	; for Qemu or non standart video cards
		515	; Unfortunately [BytesPerScanLine] does not always
		516	; equal to [_display.width] * [ScreenBPP] / 8
		517	call calculate_fast_getting_offset_for_LFB
		518
		519	mov esi, BOOT_VARS+0x9080
		520	movzx ecx, byte [esi-1]
		521	mov [NumBiosDisks], ecx
		522	mov edi, BiosDisksData
		523	rep movsd
		524
		525	; GRAPHICS ADDRESSES
		526
		527	mov eax, [BOOT_VARS+BOOT_LFB]
		528	mov [LFBAddress], eax
		529
		530	cmp [SCR_MODE], word 0100000000000000b
		531	jge setvesa20
		532	cmp [SCR_MODE], word 0x13 ; EGA 320*200 256 colors
		533	je v20ga32
		534	jmp v20ga24
		535
		536	setvesa20:
		537	mov [PUTPIXEL], dword Vesa20_putpixel24 ; Vesa 2.0
		538	mov [GETPIXEL], dword Vesa20_getpixel24
		539	cmp byte [_display.bpp], 24
		540	jz v20ga24
		541	v20ga32:
		542	mov [PUTPIXEL], dword Vesa20_putpixel32
		543	mov [GETPIXEL], dword Vesa20_getpixel32
		544	jmp no_mode_0x12
		545	v20ga24:
		546	cmp [SCR_MODE], word 0x12 ; 16 C VGA 640x480
		547	jne no_mode_0x12
		548	mov [PUTPIXEL], dword VGA_putpixel
		549	mov [GETPIXEL], dword Vesa20_getpixel32
		550	no_mode_0x12:
		551
		552	mov [MOUSE_PICTURE], dword mousepointer
		553	mov [_display.check_mouse], check_mouse_area_for_putpixel
		554	mov [_display.check_m_pixel], check_mouse_area_for_getpixel
		555
		556	; -------- Fast System Call init ----------
		557	; Intel SYSENTER/SYSEXIT (AMD CPU support it too)
		558	bt [cpu_caps], CAPS_SEP
		559	jnc .SEnP ; SysEnter not Present
		560	xor edx, edx
		561	mov ecx, MSR_SYSENTER_CS
		562	mov eax, os_code
		563	wrmsr
		564	mov ecx, MSR_SYSENTER_ESP
		565	; mov eax, sysenter_stack ; Check it
		566	xor eax, eax
		567	wrmsr
		568	mov ecx, MSR_SYSENTER_EIP
		569	mov eax, sysenter_entry
		570	wrmsr
		571	.SEnP:
		572	; AMD SYSCALL/SYSRET
		573	cmp byte[cpu_vendor], 'A'
		574	jne .noSYSCALL
		575	mov eax, 0x80000001
		576	cpuid
		577	test edx, 0x800 ; bit_11 - SYSCALL/SYSRET support
		578	jz .noSYSCALL
		579	mov ecx, MSR_AMD_EFER
		580	rdmsr
		581	or eax, 1 ; bit_0 - System Call Extension (SCE)
		582	wrmsr
		583
		584	; !!!! It`s dirty hack, fix it !!!
		585	; Bits of EDX :
		586	; Bit 31–16 During the SYSRET instruction, this field is copied into the CS register
		587	; and the contents of this field, plus 8, are copied into the SS register.
		588	; Bit 15–0 During the SYSCALL instruction, this field is copied into the CS register
		589	; and the contents of this field, plus 8, are copied into the SS register.
		590
		591	; mov edx, (os_code + 16) * 65536 + os_code
		592	mov edx, 0x1B0008
		593
		594	mov eax, syscall_entry
		595	mov ecx, MSR_AMD_STAR
		596	wrmsr
		597	.noSYSCALL:
		598	; -----------------------------------------
		599	stdcall alloc_page
		600	stdcall map_page, tss-0xF80, eax, PG_SW
		601	stdcall alloc_page
		602	stdcall map_page, tss+0x80, eax, PG_SW
		603	stdcall alloc_page
		604	stdcall map_page, tss+0x1080, eax, PG_SW
		605
		606	; LOAD IDT
		607
		608	call build_interrupt_table ;lidt is executed
		609	;lidt [idtreg]
		610
		611	call init_kernel_heap
		612	stdcall kernel_alloc, (RING0_STACK_SIZE+512) * 2
		613	mov [os_stack_seg], eax
		614
		615	lea esp, [eax+RING0_STACK_SIZE]
		616
		617	mov [tss._ss0], os_stack
		618	mov [tss._esp0], esp
		619	mov [tss._esp], esp
		620	mov [tss._cs], os_code
		621	mov [tss._ss], os_stack
		622	mov [tss._ds], app_data
		623	mov [tss._es], app_data
		624	mov [tss._fs], app_data
		625	mov [tss._gs], app_data
		626	mov [tss._io], 128
		627	;Add IO access table - bit array of permitted ports
		628	mov edi, tss._io_map_0
		629	xor eax, eax
		630	not eax
		631	mov ecx, 8192/4
		632	rep stosd ; access to 4096*8=65536 ports
		633
		634	mov ax, tss0
		635	ltr ax
		636
		637	mov [LFBSize], 0xC00000
		638	call init_LFB
		639	call init_fpu
		640	call init_malloc
		641
		642	stdcall alloc_kernel_space, 0x50000 ; FIXME check size
		643	mov [default_io_map], eax
		644
		645	add eax, 0x2000
		646	mov [ipc_tmp], eax
		647	mov ebx, 0x1000
		648
		649	add eax, 0x40000
		650	mov [proc_mem_map], eax
		651
		652	add eax, 0x8000
		653	mov [proc_mem_pdir], eax
		654
		655	add eax, ebx
		656	mov [proc_mem_tab], eax
		657
		658	add eax, ebx
		659	mov [tmp_task_ptab], eax
		660
		661	add eax, ebx
		662	mov [ipc_pdir], eax
		663
		664	add eax, ebx
		665	mov [ipc_ptab], eax
		666
		667	stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
		668	(unpack.lc+unpack.lp)))*4
		669
		670	mov [unpack.p], eax
		671
		672	call init_events
		673	mov eax, srv.fd-SRV.fd
		674	mov [srv.fd], eax
		675	mov [srv.bk], eax
		676
		677	;Set base of graphic segment to linear address of LFB
		678	mov eax, [LFBAddress] ; set for gs
		679	mov [graph_data_l+2], ax
		680	shr eax, 16
		681	mov [graph_data_l+4], al
		682	mov [graph_data_l+7], ah
		683
		684	stdcall kernel_alloc, [_WinMapSize]
		685	mov [_WinMapAddress], eax
		686
		687	xor eax, eax
		688	inc eax
		689
		690	; set background
		691
		692	mov [BgrDrawMode], eax
		693	mov [BgrDataWidth], eax
		694	mov [BgrDataHeight], eax
		695	mov [mem_BACKGROUND], 4
		696	mov [img_background], static_background_data
		697
		698	; set clipboard
		699
		700	xor eax, eax
		701	mov [clipboard_slots], eax
		702	mov [clipboard_write_lock], eax
		703	stdcall kernel_alloc, 4096
		704	test eax, eax
		705	jnz @f
		706
		707	dec eax
		708	@@:
		709	mov [clipboard_main_list], eax
		710
		711	; SET UP OS TASK
		712
		713	mov esi, boot_setostask
		714	call boot_log
		715
		716	mov edi, sys_proc
		717	list_init edi
		718	lea ecx, [edi+PROC.thr_list]
		719	list_init ecx
		720	mov [edi+PROC.pdt_0_phys], sys_proc-OS_BASE+PROC.pdt_0
		721
		722	mov eax, -1
		723	mov edi, thr_slot_map+4
		724	mov [edi-4], dword 0xFFFFFFF8
		725	stosd
		726	stosd
		727	stosd
		728	stosd
		729	stosd
		730	stosd
		731	stosd
		732
		733	mov edx, SLOT_BASE+256*1
		734	mov ebx, [os_stack_seg]
		735	add ebx, 0x2000
		736	call setup_os_slot
		737	mov dword [edx], 'IDLE'
		738	sub [edx+APPDATA.saved_esp], 4
		739	mov eax, [edx+APPDATA.saved_esp]
		740	mov dword [eax], idle_thread
		741	mov ecx, IDLE_PRIORITY
		742	call scheduler_add_thread
		743
		744	mov edx, SLOT_BASE+256*2
		745	mov ebx, [os_stack_seg]
		746	call setup_os_slot
		747	mov dword [edx], 'OS'
		748	xor ecx, ecx
		749	call scheduler_add_thread
		750
		751	mov dword [CURRENT_TASK], 2
		752	mov dword [TASK_COUNT], 2
		753	mov dword [current_slot], SLOT_BASE + 256*2
		754	mov dword [TASK_BASE], CURRENT_TASK + 32*2
		755
		756
		757	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
		758	mov esi, boot_initirq
		759	call boot_log
		760	call init_irqs
		761
		762	mov esi, boot_picinit
		763	call boot_log
		764	call PIC_init
		765
		766	mov esi, boot_v86machine
		767	call boot_log
		768	; Initialize system V86 machine
		769	call init_sys_v86
		770
		771	mov esi, boot_inittimer
		772	call boot_log
		773	; Initialize system timer (IRQ0)
		774	call PIT_init
		775
		776	; Register ramdisk file system
		777	mov esi, boot_initramdisk
		778	call boot_log
		779	call ramdisk_init
		780
		781	mov esi, boot_initapic
		782	call boot_log
		783	; Try to Initialize APIC
		784	call APIC_init
		785
		786	mov esi, boot_enableirq
		787	call boot_log
		788	; Enable timer IRQ (IRQ0) and co-processor IRQ (IRQ13)
		789	; they are used: when partitions are scanned, hd_read relies on timer
		790	call unmask_timer
		791	stdcall enable_irq, 2 ; @#$%! PIC
		792	stdcall enable_irq, 13 ; co-processor
		793
		794	cmp [IDEContrProgrammingInterface], 0
		795	je @f
		796
		797	mov esi, boot_disabling_ide
		798	call boot_log
		799	;--------------------------------------
		800	; Disable IDE interrupts, because the search
		801	; for IDE partitions is in the PIO mode.
		802	;--------------------------------------
		803	.disable_IDE_interrupt:
		804	; Disable interrupts in IDE controller for PIO
		805	mov al, 2
		806	mov dx, [IDE_BAR1_val] ;0x3F4
		807	add dx, 2 ;0x3F6
		808	out dx, al
		809	mov dx, [IDE_BAR3_val] ;0x374
		810	add dx, 2 ;0x376
		811	out dx, al
		812	@@:
		813	;-----------------------------------------------------------------------------
		814	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		815	; mov esi, boot_detectdisks
		816	; call boot_log
		817	;include 'detect/disks.inc'
		818	mov esi, boot_detectfloppy
		819	call boot_log
		820	include 'detect/dev_fd.inc'
		821	mov esi, boot_detecthdcd
		822	call boot_log
		823	include 'detect/dev_hdcd.inc'
		824	mov esi, boot_getcache
		825	call boot_log
		826	include 'detect/getcache.inc'
		827	mov esi, boot_detectpart
		828	call boot_log
		829	include 'detect/sear_par.inc'
		830	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		831
		832	mov esi, boot_init_sys
		833	call boot_log
		834	call Parser_params
		835
		836	if ~ defined extended_primary_loader
		837	; ramdisk image should be loaded by extended primary loader if it exists
		838	; READ RAMDISK IMAGE FROM HD
		839
		840	;!!!!!!!!!!!!!!!!!!!!!!!
		841	include 'boot/rdload.inc'
		842	;!!!!!!!!!!!!!!!!!!!!!!!
		843	end if
		844	; mov [dma_hdd],1
		845
		846	if 0
		847	mov ax, [OS_BASE+0x10000+bx_from_load]
		848	cmp ax, 'r1'; if using not ram disk, then load librares and parameters {SPraid.simba}
		849	je no_lib_load
		850
		851	mov esi, boot_loadlibs
		852	call boot_log
		853	; LOADING LIBRARES
		854	stdcall dll.Load, @IMPORT ; loading librares for kernel (.obj files)
		855	call load_file_parse_table ; prepare file parse table
		856	call set_kernel_conf ; configure devices and gui
		857	no_lib_load:
		858	end if
		859
		860	; Display APIC status
		861	mov esi, boot_APIC_found
		862	cmp [irq_mode], IRQ_APIC
		863	je @f
		864	mov esi, boot_APIC_nfound
		865	@@:
		866	call boot_log
		867
		868	; PRINT AMOUNT OF MEMORY
		869	mov esi, boot_memdetect
		870	call boot_log
		871
		872	movzx ecx, word [boot_y]
		873	if lang eq ru
		874	or ecx, (10+30*6) shl 16
		875	else if lang eq sp
		876	or ecx, (10+33*6) shl 16
		877	else
		878	or ecx, (10+29*6) shl 16
		879	end if
		880	sub ecx, 10
		881	mov edx, 0xFFFFFF
		882	mov ebx, [MEM_AMOUNT]
		883	shr ebx, 20
		884	xor edi, edi
		885	mov eax, 0x00040000
		886	inc edi
		887	call display_number_force
		888
		889	; BUILD SCHEDULER
		890
		891	; call build_scheduler; sys32.inc
		892
		893	; mov esi, boot_devices
		894	; call boot_log
		895
		896	mov [pci_access_enabled], 1
		897	call pci_enum
		898	;-----------------------------------------------------------------------------
		899	mov dx, [IDEContrRegsBaseAddr]
		900	; test whether it is our interrupt?
		901	add dx, 2
		902	in al, dx
		903	test al, 100b
		904	jz @f
		905	; clear Bus Master IDE Status register
		906	; clear Interrupt bit
		907	out dx, al
		908	@@:
		909	add dx, 8
		910	; test whether it is our interrupt?
		911	in al, dx
		912	test al, 100b
		913	jz @f
		914	; clear Bus Master IDE Status register
		915	; clear Interrupt bit
		916	out dx, al
		917	@@:
		918	; read status register and remove the interrupt request
		919	mov dx, [IDE_BAR0_val] ;0x1F0
		920	add dx, 0x7 ;0x1F7
		921	in al, dx
		922	mov dx, [IDE_BAR2_val] ;0x170
		923	add dx, 0x7 ;0x177
		924	in al, dx
		925	;-----------------------------------------------------------------------------
		926	include "detect/vortex86.inc" ; Vortex86 SoC detection code
		927
		928	stdcall load_driver, szVidintel
		929
		930	call usb_init
		931
		932	; SET PRELIMINARY WINDOW STACK AND POSITIONS
		933
		934	mov esi, boot_windefs
		935	call boot_log
		936	call set_window_defaults
		937
		938	; SET BACKGROUND DEFAULTS
		939
		940	mov esi, boot_bgr
		941	call boot_log
		942	call init_background
		943	call calculatebackground
		944
		945	; RESERVE SYSTEM IRQ'S JA PORT'S
		946
		947	mov esi, boot_resirqports
		948	call boot_log
		949	call reserve_irqs_ports
		950
		951	call init_display
		952	mov eax, [def_cursor]
		953	mov [SLOT_BASE+APPDATA.cursor+256], eax
		954	mov [SLOT_BASE+APPDATA.cursor+256*2], eax
		955
		956	; PRINT CPU FREQUENCY
		957
		958	mov esi, boot_cpufreq
		959	call boot_log
		960
		961	cli ;FIXME check IF
		962	rdtsc
		963	mov ecx, eax
		964	mov esi, 250 ; wait 1/4 a second
		965	call delay_ms
		966	rdtsc
		967
		968	sub eax, ecx
		969	xor edx, edx
		970	shld edx, eax, 2
		971	shl eax, 2
		972	mov dword [cpu_freq], eax
		973	mov dword [cpu_freq+4], edx
		974	mov ebx, 1000000
		975	div ebx
		976	mov ebx, eax
		977
		978	movzx ecx, word [boot_y]
		979	if lang eq ru
		980	add ecx, (10+19*6) shl 16 - 10
		981	else if lang eq sp
		982	add ecx, (10+25*6) shl 16 - 10
		983	else
		984	add ecx, (10+17*6) shl 16 - 10
		985	end if
		986
		987	mov edx, 0xFFFFFF
		988	xor edi, edi
		989	mov eax, 0x00040000
		990	inc edi
		991	call display_number_force
		992
		993	; SET VARIABLES
		994
		995	call set_variables
		996
		997	; STACK AND FDC
		998
		999	; call stack_init
		1000	call fdc_init
		1001
		1002	; PALETTE FOR 320x200 and 640x480 16 col
		1003
		1004	cmp [SCR_MODE], word 0x12
		1005	jne no_pal_vga
		1006	mov esi, boot_pal_vga
		1007	call boot_log
		1008	call paletteVGA
		1009	no_pal_vga:
		1010
		1011	cmp [SCR_MODE], word 0x13
		1012	jne no_pal_ega
		1013	mov esi, boot_pal_ega
		1014	call boot_log
		1015	call palette320x200
		1016	no_pal_ega:
		1017
		1018	; LOAD DEFAULT SKIN
		1019
		1020	call load_default_skin
		1021
		1022	;protect io permission map
		1023
		1024	mov esi, [default_io_map]
		1025	stdcall map_page, esi, [SLOT_BASE+256+APPDATA.io_map], PG_MAP
		1026	add esi, 0x1000
		1027	stdcall map_page, esi, [SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
		1028
		1029	stdcall map_page, tss._io_map_0, \
		1030	[SLOT_BASE+256+APPDATA.io_map], PG_MAP
		1031	stdcall map_page, tss._io_map_1, \
		1032	[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
		1033
		1034	; LOAD FIRST APPLICATION
		1035	cmp byte [launcher_start], 1 ; Check if starting LAUNCHER is selected on blue screen (1 = yes)
		1036	jnz first_app_found
		1037
		1038	cli
		1039	mov ebp, firstapp
		1040	call fs_execute_from_sysdir
		1041	test eax, eax
		1042	jnz first_app_found
		1043
		1044	mov esi, boot_failed
		1045	call boot_log
		1046
		1047	mov eax, 0xDEADBEEF ; otherwise halt
		1048	hlt
		1049
		1050	first_app_found:
		1051
		1052	cli
		1053
		1054	; SET KEYBOARD PARAMETERS
		1055	mov al, 0xf6 ; reset keyboard, scan enabled
		1056	call kb_write
		1057	test ah, ah
		1058	jnz .no_keyboard
		1059
		1060	; wait until 8042 is ready
		1061	xor ecx, ecx
		1062	@@:
		1063	in al, 64h
		1064	and al, 00000010b
		1065	loopnz @b
		1066
		1067	iglobal
		1068	align 4
		1069	ps2_keyboard_functions:
		1070	dd .end - $
		1071	dd 0 ; no close
		1072	dd ps2_set_lights
		1073	.end:
		1074	endg
		1075	stdcall register_keyboard, ps2_keyboard_functions, 0
		1076	; mov al, 0xED ; Keyboard LEDs - only for testing!
		1077	; call kb_write
		1078	; call kb_read
		1079	; mov al, 111b
		1080	; call kb_write
		1081	; call kb_read
		1082
		1083	mov al, 0xF3 ; set repeat rate & delay
		1084	call kb_write
		1085	; call kb_read
		1086	mov al, 0; 30 250 ;00100010b ; 24 500 ;00100100b ; 20 500
		1087	call kb_write
		1088	; call kb_read
		1089	;// mike.dld [
		1090	call set_lights
		1091	;// mike.dld ]
		1092	stdcall attach_int_handler, 1, irq1, 0
		1093	DEBUGF 1, "K : IRQ1 error code %x\n", eax
		1094	.no_keyboard:
		1095
		1096	; SET MOUSE
		1097
		1098	stdcall load_driver, szPS2MDriver
		1099	; stdcall load_driver, szCOM_MDriver
		1100
		1101	mov esi, boot_setmouse
		1102	call boot_log
		1103	call setmouse
		1104
		1105	; Setup serial output console (if enabled)
		1106
		1107	if defined debug_com_base
		1108
		1109	; enable Divisor latch
		1110
		1111	mov dx, debug_com_base+3
		1112	mov al, 1 shl 7
		1113	out dx, al
		1114
		1115	; Set speed to 115200 baud (max speed)
		1116
		1117	mov dx, debug_com_base
		1118	mov al, 0x01
		1119	out dx, al
		1120
		1121	mov dx, debug_com_base+1
		1122	mov al, 0x00
		1123	out dx, al
		1124
		1125	; No parity, 8bits words, one stop bit, dlab bit back to 0
		1126
		1127	mov dx, debug_com_base+3
		1128	mov al, 3
		1129	out dx, al
		1130
		1131	; disable interrupts
		1132
		1133	mov dx, debug_com_base+1
		1134	mov al, 0
		1135	out dx, al
		1136
		1137	; clear + enable fifo (64 bits)
		1138
		1139	mov dx, debug_com_base+2
		1140	mov al, 0x7 + 1 shl 5
		1141	out dx, al
		1142
		1143
		1144	end if
		1145	mov eax, [version_inf.rev]
		1146	DEBUGF 1, "K : kernel SVN r%d\n", eax
		1147
		1148	mov eax, [cpu_count]
		1149	test eax, eax
		1150	jnz @F
		1151	mov al, 1 ; at least one CPU
		1152	@@:
		1153	DEBUGF 1, "K : %d CPU detected\n", eax
		1154
		1155	DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4
		1156	DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4
		1157	DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4
		1158	DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4
		1159	DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4
		1160	DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4
		1161	DEBUGF 1, "K : IDE_Interrupt %x \n", [IDE_Interrupt]:4
		1162
		1163	; START MULTITASKING
		1164
		1165	; A 'All set - press ESC to start' messages if need
		1166	if preboot_blogesc
		1167	mov esi, boot_tasking
		1168	call boot_log
		1169	.bll1:
		1170	in al, 0x60 ; wait for ESC key press
		1171	cmp al, 129
		1172	jne .bll1
		1173	end if
		1174
		1175	push eax edx
		1176	mov dx, [IDEContrRegsBaseAddr]
		1177	xor eax, eax
		1178	add dx, 2
		1179	in al, dx
		1180	DEBUGF 1, "K : Primary Bus Master IDE Status Register %x\n", eax
		1181
		1182	add dx, 8
		1183	in al, dx
		1184	DEBUGF 1, "K : Secondary Bus Master IDE Status Register %x\n", eax
		1185	pop edx eax
		1186
		1187	cmp [IDEContrRegsBaseAddr], 0
		1188	setnz [dma_hdd]
		1189
		1190	cmp [IDEContrProgrammingInterface], 0
		1191	je set_interrupts_for_IDE_controllers.continue
		1192	;-----------------------------------------------------------------------------
		1193	; set interrupts for IDE Controller
		1194	;-----------------------------------------------------------------------------
		1195	mov esi, boot_set_int_IDE
		1196	call boot_log
		1197	set_interrupts_for_IDE_controllers:
		1198	mov ax, [IDEContrProgrammingInterface]
		1199	cmp ax, 0x0180
		1200	je .pata_ide
		1201
		1202	cmp ax, 0x018a
		1203	jne .sata_ide
		1204	;--------------------------------------
		1205	.pata_ide:
		1206	cmp [IDEContrRegsBaseAddr], 0
		1207	je .end_set_interrupts
		1208
		1209	stdcall attach_int_handler, 14, IDE_irq_14_handler, 0
		1210	DEBUGF 1, "K : Set IDE IRQ14 return code %x\n", eax
		1211	stdcall attach_int_handler, 15, IDE_irq_15_handler, 0
		1212	DEBUGF 1, "K : Set IDE IRQ15 return code %x\n", eax
		1213	jmp .enable_IDE_interrupt
		1214	;--------------------------------------
		1215	.sata_ide:
		1216	cmp ax, 0x0185
		1217	je .sata_ide_1
		1218
		1219	cmp ax, 0x018f
		1220	jne .end_set_interrupts
		1221	;--------------------------------------
		1222	.sata_ide_1:
		1223	cmp [IDEContrRegsBaseAddr], 0
		1224	je .end_set_interrupts
		1225
		1226	mov ax, [IDE_Interrupt]
		1227	movzx eax, al
		1228	stdcall attach_int_handler, eax, IDE_common_irq_handler, 0
		1229	DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [IDE_Interrupt]:1, eax
		1230	;--------------------------------------
		1231	.enable_IDE_interrupt:
		1232	mov esi, boot_enabling_ide
		1233	call boot_log
		1234	; Enable interrupts in IDE controller for DMA
		1235	mov al, 0
		1236	mov ah, [DRIVE_DATA+1]
		1237	test ah, 10100000b
		1238	jz @f
		1239
		1240	DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n"
		1241	jmp .ch2_check
		1242	@@:
		1243	mov dx, [IDE_BAR1_val] ;0x3F4
		1244	add dx, 2 ;0x3F6
		1245	out dx, al
		1246	DEBUGF 1, "K : IDE CH1 DMA enabled\n"
		1247	.ch2_check:
		1248	test ah, 1010b
		1249	jz @f
		1250
		1251	DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n"
		1252	jmp .end_set_interrupts
		1253	@@:
		1254	mov dx, [IDE_BAR3_val] ;0x374
		1255	add dx, 2 ;0x376
		1256	out dx, al
		1257	DEBUGF 1, "K : IDE CH2 DMA enabled\n"
		1258	;--------------------------------------
		1259	.end_set_interrupts:
		1260	;-----------------------------------------------------------------------------
		1261	cmp [dma_hdd], 0
		1262	je .print_pio
		1263	.print_dma:
		1264	DEBUGF 1, "K : IDE DMA mode\n"
		1265	jmp .continue
		1266
		1267	.print_pio:
		1268	DEBUGF 1, "K : IDE PIO mode\n"
		1269	.continue:
		1270
		1271	mov [timer_ticks_enable], 1 ; for cd driver
		1272
		1273	sti
		1274	; call change_task
		1275
		1276	jmp osloop
		1277
		1278
		1279	; Fly :)
		1280
		1281	include 'unpacker.inc'
		1282
		1283	align 4
		1284	boot_log:
		1285	pushad
		1286
		1287	mov ebx, 10*65536
		1288	mov bx, word [boot_y]
		1289	add [boot_y], dword 10
		1290	mov ecx, 0x80ffffff; ASCIIZ string with white color
		1291	xor edi, edi
		1292	mov edx, esi
		1293	inc edi
		1294	call dtext
		1295
		1296	mov [novesachecksum], 1000
		1297	call checkVga_N13
		1298
		1299	popad
		1300
		1301	ret
		1302
		1303	; in: edx -> APPDATA for OS/IDLE slot
		1304	; in: ebx = stack base
		1305	proc setup_os_slot
		1306	xor eax, eax
		1307	mov ecx, 256/4
		1308	mov edi, edx
		1309	rep stosd
		1310
		1311	mov eax, tss+0x80
		1312	call get_pg_addr
		1313	inc eax
		1314	mov [edx+APPDATA.io_map], eax
		1315	mov eax, tss+0x1080
		1316	call get_pg_addr
		1317	inc eax
		1318	mov [edx+APPDATA.io_map+4], eax
		1319
		1320	mov dword [edx+APPDATA.pl0_stack], ebx
		1321	lea edi, [ebx+0x2000-512]
		1322	mov dword [edx+APPDATA.fpu_state], edi
		1323	mov dword [edx+APPDATA.saved_esp0], edi
		1324	mov dword [edx+APPDATA.saved_esp], edi
		1325	mov dword [edx+APPDATA.terminate_protection], 1 ; make unkillable
		1326
		1327	mov esi, fpu_data
		1328	mov ecx, 512/4
		1329	cld
		1330	rep movsd
		1331
		1332	lea eax, [edx+APP_OBJ_OFFSET]
		1333	mov dword [edx+APPDATA.fd_obj], eax
		1334	mov dword [edx+APPDATA.bk_obj], eax
		1335
		1336	mov dword [edx+APPDATA.cur_dir], sysdir_path
		1337
		1338	mov [edx + APPDATA.process], sys_proc
		1339
		1340	mov eax, edx
		1341	shr eax, 3
		1342	add eax, CURRENT_TASK - (SLOT_BASE shr 3)
		1343	mov [eax+TASKDATA.wnd_number], dh
		1344	mov byte [eax+TASKDATA.pid], dh
		1345
		1346	ret
		1347	endp
		1348
		1349	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1350	; ;
		1351	; MAIN OS LOOP START ;
		1352	; ;
		1353	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1354	align 32
		1355	osloop:
		1356	mov edx, osloop_has_work?
		1357	xor ecx, ecx
		1358	call Wait_events
		1359	xor eax, eax
		1360	xchg eax, [osloop_nonperiodic_work]
		1361	test eax, eax
		1362	jz .no_periodic
		1363	; call [draw_pointer]
		1364	call __sys_draw_pointer
		1365	call window_check_events
		1366	call mouse_check_events
		1367	call checkmisc
		1368	call checkVga_N13
		1369	.no_periodic:
		1370	call stack_handler
		1371	call check_fdd_motor_status
		1372	call check_ATAPI_device_event
		1373	call check_lights_state
		1374	call check_timers
		1375	jmp osloop
		1376	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1377	; ;
		1378	; MAIN OS LOOP END ;
		1379	; ;
		1380	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1381	proc osloop_has_work?
		1382	cmp [osloop_nonperiodic_work], 0
		1383	jnz .yes
		1384	call stack_handler_has_work?
		1385	jnz .yes
		1386	call check_fdd_motor_status_has_work?
		1387	jnz .yes
		1388	call check_ATAPI_device_event_has_work?
		1389	jnz .yes
		1390	call check_lights_state_has_work?
		1391	jnz .yes
		1392	call check_timers_has_work?
		1393	jnz .yes
		1394	.no:
		1395	xor eax, eax
		1396	ret
		1397	.yes:
		1398	xor eax, eax
		1399	inc eax
		1400	ret
		1401	endp
		1402
		1403	proc wakeup_osloop
		1404	mov [osloop_nonperiodic_work], 1
		1405	ret
		1406	endp
		1407
		1408	uglobal
		1409	align 4
		1410	osloop_nonperiodic_work dd ?
		1411	endg
		1412
		1413	align 4
		1414	idle_thread:
		1415	sti
		1416	idle_loop:
		1417	hlt
		1418	jmp idle_loop
		1419
		1420
		1421
		1422	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1423	; ;
		1424	; INCLUDED SYSTEM FILES ;
		1425	; ;
		1426	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1427
		1428
		1429	include "kernel32.inc"
		1430
		1431
		1432	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1433	; ;
		1434	; KERNEL FUNCTIONS ;
		1435	; ;
		1436	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1437
		1438	reserve_irqs_ports:
		1439
		1440
		1441	; RESERVE PORTS
		1442	mov eax, RESERVED_PORTS
		1443	mov ecx, 1
		1444
		1445	mov [eax], dword 4
		1446
		1447	mov [eax+16], ecx
		1448	mov [eax+16+4], dword 0
		1449	mov [eax+16+8], dword 0x2D
		1450
		1451	mov [eax+32], ecx
		1452	mov [eax+32+4], dword 0x30
		1453	mov [eax+32+8], dword 0x4D
		1454
		1455	mov [eax+48], ecx
		1456	mov [eax+48+4], dword 0x50
		1457	mov [eax+48+8], dword 0xDF
		1458
		1459	mov [eax+64], ecx
		1460	mov [eax+64+4], dword 0xE5
		1461	mov [eax+64+8], dword 0xFF
		1462
		1463	ret
		1464
		1465
		1466	iglobal
		1467	process_number dd 0x2
		1468	endg
		1469
		1470	set_variables:
		1471
		1472	mov ecx, 0x16 ; flush port 0x60
		1473	.fl60:
		1474	in al, 0x60
		1475	loop .fl60
		1476	push eax
		1477
		1478	mov ax, [BOOT_VARS+BOOT_Y_RES]
		1479	shr ax, 1
		1480	shl eax, 16
		1481	mov ax, [BOOT_VARS+BOOT_X_RES]
		1482	shr ax, 1
		1483	mov [MOUSE_X], eax
		1484	call wakeup_osloop
		1485
		1486	xor eax, eax
		1487	mov [BTN_ADDR], dword BUTTON_INFO ; address of button list
		1488
		1489	mov byte [KEY_COUNT], al ; keyboard buffer
		1490	mov byte [BTN_COUNT], al ; button buffer
		1491	; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
		1492
		1493	pop eax
		1494	ret
		1495
		1496	align 4
		1497	;input eax=43,bl-byte of output, ecx - number of port
		1498	sys_outport:
		1499
		1500	mov edi, ecx ; separate flag for read / write
		1501	and ecx, 65535
		1502
		1503	mov eax, [RESERVED_PORTS]
		1504	test eax, eax
		1505	jnz .sopl8
		1506	inc eax
		1507	mov [esp+32], eax
		1508	ret
		1509
		1510	.sopl8:
		1511	mov edx, [TASK_BASE]
		1512	mov edx, [edx+0x4]
		1513	;and ecx,65535
		1514	;cld - set on interrupt 0x40
		1515	.sopl1:
		1516
		1517	mov esi, eax
		1518	shl esi, 4
		1519	add esi, RESERVED_PORTS
		1520	cmp edx, [esi+0]
		1521	jne .sopl2
		1522	cmp ecx, [esi+4]
		1523	jb .sopl2
		1524	cmp ecx, [esi+8]
		1525	jg .sopl2
		1526	.sopl3:
		1527
		1528	test edi, 0x80000000; read ?
		1529	jnz .sopl4
		1530
		1531	mov eax, ebx
		1532	mov dx, cx ; write
		1533	out dx, al
		1534	and [esp+32], dword 0
		1535	ret
		1536
		1537	.sopl2:
		1538
		1539	dec eax
		1540	jnz .sopl1
		1541	inc eax
		1542	mov [esp+32], eax
		1543	ret
		1544
		1545
		1546	.sopl4:
		1547
		1548	mov dx, cx ; read
		1549	in al, dx
		1550	and eax, 0xff
		1551	and [esp+32], dword 0
		1552	mov [esp+20], eax
		1553	ret
		1554
		1555	display_number:
		1556	;It is not optimization
		1557	mov eax, ebx
		1558	mov ebx, ecx
		1559	mov ecx, edx
		1560	mov edx, esi
		1561	mov esi, edi
		1562	; eax = print type, al=0 -> ebx is number
		1563	; al=1 -> ebx is pointer
		1564	; ah=0 -> display decimal
		1565	; ah=1 -> display hexadecimal
		1566	; ah=2 -> display binary
		1567	; eax bits 16-21 = number of digits to display (0-32)
		1568	; eax bits 22-31 = reserved
		1569	;
		1570	; ebx = number or pointer
		1571	; ecx = x shl 16 + y
		1572	; edx = color
		1573	xor edi, edi
		1574	display_number_force:
		1575	push eax
		1576	and eax, 0x3fffffff
		1577	cmp eax, 0xffff ; length > 0 ?
		1578	pop eax
		1579	jge cont_displ
		1580	ret
		1581	cont_displ:
		1582	push eax
		1583	and eax, 0x3fffffff
		1584	cmp eax, 61*0x10000 ; length <= 60 ?
		1585	pop eax
		1586	jb cont_displ2
		1587	ret
		1588	cont_displ2:
		1589
		1590	pushad
		1591
		1592	cmp al, 1 ; ecx is a pointer ?
		1593	jne displnl1
		1594	mov ebp, ebx
		1595	add ebp, 4
		1596	mov ebp, [ebp+std_application_base_address]
		1597	mov ebx, [ebx+std_application_base_address]
		1598	displnl1:
		1599	sub esp, 64
		1600
		1601	test ah, ah ; DECIMAL
		1602	jnz no_display_desnum
		1603	shr eax, 16
		1604	and eax, 0xC03f
		1605	; and eax,0x3f
		1606	push eax
		1607	and eax, 0x3f
		1608	mov edi, esp
		1609	add edi, 4+64-1
		1610	mov ecx, eax
		1611	mov eax, ebx
		1612	mov ebx, 10
		1613	d_desnum:
		1614	xor edx, edx
		1615	call division_64_bits
		1616	div ebx
		1617	add dl, 48
		1618	mov [edi], dl
		1619	dec edi
		1620	loop d_desnum
		1621	pop eax
		1622	call normalize_number
		1623	call draw_num_text
		1624	add esp, 64
		1625	popad
		1626	ret
		1627	no_display_desnum:
		1628
		1629	cmp ah, 0x01 ; HEXADECIMAL
		1630	jne no_display_hexnum
		1631	shr eax, 16
		1632	and eax, 0xC03f
		1633	; and eax,0x3f
		1634	push eax
		1635	and eax, 0x3f
		1636	mov edi, esp
		1637	add edi, 4+64-1
		1638	mov ecx, eax
		1639	mov eax, ebx
		1640	mov ebx, 16
		1641	d_hexnum:
		1642	xor edx, edx
		1643	call division_64_bits
		1644	div ebx
		1645	hexletters = __fdo_hexdigits
		1646	add edx, hexletters
		1647	mov dl, [edx]
		1648	mov [edi], dl
		1649	dec edi
		1650	loop d_hexnum
		1651	pop eax
		1652	call normalize_number
		1653	call draw_num_text
		1654	add esp, 64
		1655	popad
		1656	ret
		1657	no_display_hexnum:
		1658
		1659	cmp ah, 0x02 ; BINARY
		1660	jne no_display_binnum
		1661	shr eax, 16
		1662	and eax, 0xC03f
		1663	; and eax,0x3f
		1664	push eax
		1665	and eax, 0x3f
		1666	mov edi, esp
		1667	add edi, 4+64-1
		1668	mov ecx, eax
		1669	mov eax, ebx
		1670	mov ebx, 2
		1671	d_binnum:
		1672	xor edx, edx
		1673	call division_64_bits
		1674	div ebx
		1675	add dl, 48
		1676	mov [edi], dl
		1677	dec edi
		1678	loop d_binnum
		1679	pop eax
		1680	call normalize_number
		1681	call draw_num_text
		1682	add esp, 64
		1683	popad
		1684	ret
		1685	no_display_binnum:
		1686
		1687	add esp, 64
		1688	popad
		1689	ret
		1690
		1691	normalize_number:
		1692	test ah, 0x80
		1693	jz .continue
		1694	mov ecx, 48
		1695	and eax, 0x3f
		1696	@@:
		1697	inc edi
		1698	cmp [edi], cl
		1699	jne .continue
		1700	dec eax
		1701	cmp eax, 1
		1702	ja @r
		1703	mov al, 1
		1704	.continue:
		1705	and eax, 0x3f
		1706	ret
		1707
		1708	division_64_bits:
		1709	test [esp+1+4], byte 0x40
		1710	jz .continue
		1711	push eax
		1712	mov eax, ebp
		1713	div ebx
		1714	mov ebp, eax
		1715	pop eax
		1716	.continue:
		1717	ret
		1718
		1719	draw_num_text:
		1720	mov esi, eax
		1721	mov edx, 64+4
		1722	sub edx, eax
		1723	add edx, esp
		1724	mov ebx, [esp+64+32-8+4]
		1725	; add window start x & y
		1726	mov ecx, [TASK_BASE]
		1727
		1728	mov edi, [CURRENT_TASK]
		1729	shl edi, 8
		1730
		1731	mov eax, [ecx-twdw+WDATA.box.left]
		1732	add eax, [edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		1733	shl eax, 16
		1734	add eax, [ecx-twdw+WDATA.box.top]
		1735	add eax, [edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		1736	add ebx, eax
		1737	mov ecx, [esp+64+32-12+4]
		1738	and ecx, not 0x80000000 ; force counted string
		1739	mov eax, [esp+64+8] ; background color (if given)
		1740	mov edi, [esp+64+4]
		1741	jmp dtext
		1742
		1743	align 4
		1744
		1745	sys_setup:
		1746
		1747	; 1=roland mpu midi base , base io address
		1748	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1749	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1750	; 5=system language, 1eng 2fi 3ger 4rus
		1751	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1752	; 8=fat32 partition in hd
		1753	; 9
		1754	; 10 = sound dma channel
		1755	; 11 = enable lba read
		1756	; 12 = enable pci access
		1757
		1758
		1759	and [esp+32], dword 0
		1760	dec ebx ; MIDI
		1761	jnz nsyse1
		1762	cmp ecx, 0x100
		1763
		1764	jb nsyse1
		1765	mov esi, 65535
		1766	cmp esi, ecx
		1767
		1768	jb nsyse1
		1769	mov [midi_base], cx ;bx
		1770	mov word [mididp], cx;bx
		1771	inc cx ;bx
		1772	mov word [midisp], cx;bx
		1773	ret
		1774
		1775	iglobal
		1776	midi_base dw 0
		1777	endg
		1778
		1779	nsyse1:
		1780	dec ebx ; KEYBOARD
		1781	jnz nsyse2
		1782	mov edi, [TASK_BASE]
		1783	mov eax, [edi+TASKDATA.mem_start]
		1784	add eax, edx
		1785
		1786	dec ecx
		1787	jnz kbnobase
		1788	mov ebx, keymap
		1789	mov ecx, 128
		1790	call memmove
		1791	ret
		1792	kbnobase:
		1793	dec ecx
		1794	jnz kbnoshift
		1795
		1796	mov ebx, keymap_shift
		1797	mov ecx, 128
		1798	call memmove
		1799	ret
		1800	kbnoshift:
		1801	dec ecx
		1802	jnz kbnoalt
		1803	mov ebx, keymap_alt
		1804	mov ecx, 128
		1805	call memmove
		1806	ret
		1807	kbnoalt:
		1808	sub ecx, 6
		1809	jnz kbnocountry
		1810	mov word [keyboard], dx
		1811	ret
		1812	kbnocountry:
		1813	mov [esp+32], dword 1
		1814	ret
		1815	nsyse2:
		1816	dec ebx ; CD
		1817	jnz nsyse4
		1818
		1819	test ecx, ecx
		1820	jz nosesl
		1821
		1822	cmp ecx, 4
		1823	ja nosesl
		1824	mov [cd_base], cl
		1825
		1826	dec ecx
		1827	jnz noprma
		1828	mov eax, [hd_address_table]
		1829	mov [cdbase], eax ;0x1f0
		1830	mov [cdid], 0xa0
		1831	noprma:
		1832
		1833	dec ecx
		1834	jnz noprsl
		1835	mov eax, [hd_address_table]
		1836	mov [cdbase], eax ;0x1f0
		1837	mov [cdid], 0xb0
		1838	noprsl:
		1839	dec ecx
		1840	jnz nosema
		1841	mov eax, [hd_address_table+16]
		1842	mov [cdbase], eax ;0x170
		1843	mov [cdid], 0xa0
		1844	nosema:
		1845	dec ecx
		1846	jnz nosesl
		1847	mov eax, [hd_address_table+16]
		1848	mov [cdbase], eax ;0x170
		1849	mov [cdid], 0xb0
		1850	nosesl:
		1851	ret
		1852
		1853	iglobal
		1854	cd_base db 0
		1855
		1856	endg
		1857	nsyse4:
		1858
		1859	sub ebx, 2 ; SYSTEM LANGUAGE
		1860	jnz nsyse5
		1861	mov [syslang], ecx
		1862	ret
		1863	nsyse5:
		1864
		1865	sub ebx, 2 ; HD BASE - obsolete
		1866	jnz nsyse7
		1867
		1868	nosethd:
		1869	ret
		1870
		1871	nsyse7:
		1872
		1873	; cmp eax,8 ; HD PARTITION - obsolete
		1874	dec ebx
		1875	jnz nsyse8
		1876	ret
		1877
		1878	nsyse8:
		1879	; cmp eax,11 ; ENABLE LBA READ
		1880	and ecx, 1
		1881	sub ebx, 3
		1882	jnz no_set_lba_read
		1883	mov [lba_read_enabled], ecx
		1884	ret
		1885
		1886	no_set_lba_read:
		1887	; cmp eax,12 ; ENABLE PCI ACCESS
		1888	dec ebx
		1889	jnz sys_setup_err
		1890	mov [pci_access_enabled], ecx
		1891	ret
		1892
		1893	sys_setup_err:
		1894	or [esp+32], dword -1
		1895	ret
		1896
		1897	align 4
		1898
		1899	sys_getsetup:
		1900
		1901	; 1=roland mpu midi base , base io address
		1902	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1903	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1904	; 5=system language, 1eng 2fi 3ger 4rus
		1905	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1906	; 8=fat32 partition in hd
		1907	; 9=get hs timer tic
		1908
		1909	; cmp eax,1
		1910	dec ebx
		1911	jnz ngsyse1
		1912	movzx eax, [midi_base]
		1913	mov [esp+32], eax
		1914	ret
		1915	ngsyse1:
		1916	; cmp eax,2
		1917	dec ebx
		1918	jnz ngsyse2
		1919
		1920	mov edi, [TASK_BASE]
		1921	mov ebx, [edi+TASKDATA.mem_start]
		1922	add ebx, edx
		1923
		1924	; cmp ebx,1
		1925	dec ecx
		1926	jnz kbnobaseret
		1927	mov eax, keymap
		1928	mov ecx, 128
		1929	call memmove
		1930	ret
		1931	kbnobaseret:
		1932	; cmp ebx,2
		1933	dec ecx
		1934	jnz kbnoshiftret
		1935
		1936	mov eax, keymap_shift
		1937	mov ecx, 128
		1938	call memmove
		1939	ret
		1940	kbnoshiftret:
		1941	; cmp ebx,3
		1942	dec ecx
		1943	jne kbnoaltret
		1944
		1945	mov eax, keymap_alt
		1946	mov ecx, 128
		1947	call memmove
		1948	ret
		1949	kbnoaltret:
		1950	; cmp ebx,9
		1951	sub ecx, 6
		1952	jnz ngsyse2
		1953	movzx eax, word [keyboard]
		1954	mov [esp+32], eax
		1955	ret
		1956
		1957
		1958	ngsyse2:
		1959	; cmp eax,3
		1960	dec ebx
		1961	jnz ngsyse3
		1962	movzx eax, [cd_base]
		1963	mov [esp+32], eax
		1964	ret
		1965	ngsyse3:
		1966	; cmp eax,5
		1967	sub ebx, 2
		1968	jnz ngsyse5
		1969	mov eax, [syslang]
		1970	mov [esp+32], eax
		1971	ret
		1972	ngsyse5:
		1973	; cmp eax,7
		1974	sub ebx, 2
		1975	jnz ngsyse7
		1976	xor eax, eax
		1977	mov [esp+32], eax
		1978	ret
		1979	ngsyse7:
		1980	; cmp eax,8
		1981	dec ebx
		1982	jnz ngsyse8
		1983	mov eax, [fat32part]
		1984	mov [esp+32], eax
		1985	ret
		1986	ngsyse8:
		1987	; cmp eax,9
		1988	dec ebx
		1989	jnz ngsyse9
		1990	mov eax, [timer_ticks];[0xfdf0]
		1991	mov [esp+32], eax
		1992	ret
		1993	ngsyse9:
		1994	; cmp eax,11
		1995	sub ebx, 2
		1996	jnz ngsyse11
		1997	mov eax, [lba_read_enabled]
		1998	mov [esp+32], eax
		1999	ret
		2000	ngsyse11:
		2001	; cmp eax,12
		2002	dec ebx
		2003	jnz ngsyse12
		2004	mov eax, [pci_access_enabled]
		2005	mov [esp+32], eax
		2006	ret
		2007	ngsyse12:
		2008	mov [esp+32], dword 1
		2009	ret
		2010
		2011
		2012	get_timer_ticks:
		2013	mov eax, [timer_ticks]
		2014	ret
		2015
		2016	iglobal
		2017	align 4
		2018	mousefn dd msscreen, mswin, msbutton, msset
		2019	dd app_load_cursor
		2020	dd app_set_cursor
		2021	dd app_delete_cursor
		2022	dd msz
		2023	endg
		2024
		2025	readmousepos:
		2026
		2027	; eax=0 screen relative
		2028	; eax=1 window relative
		2029	; eax=2 buttons pressed
		2030	; eax=3 set mouse pos ; reserved
		2031	; eax=4 load cursor
		2032	; eax=5 set cursor
		2033	; eax=6 delete cursor ; reserved
		2034	; eax=7 get mouse_z
		2035
		2036	cmp ebx, 7
		2037	ja msset
		2038	jmp [mousefn+ebx*4]
		2039	msscreen:
		2040	mov eax, [MOUSE_X]
		2041	shl eax, 16
		2042	mov ax, [MOUSE_Y]
		2043	mov [esp+36-4], eax
		2044	ret
		2045	mswin:
		2046	mov eax, [MOUSE_X]
		2047	shl eax, 16
		2048	mov ax, [MOUSE_Y]
		2049	mov esi, [TASK_BASE]
		2050	mov bx, word [esi-twdw+WDATA.box.left]
		2051	shl ebx, 16
		2052	mov bx, word [esi-twdw+WDATA.box.top]
		2053	sub eax, ebx
		2054
		2055	mov edi, [CURRENT_TASK]
		2056	shl edi, 8
		2057	sub ax, word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		2058	rol eax, 16
		2059	sub ax, word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		2060	rol eax, 16
		2061	mov [esp+36-4], eax
		2062	ret
		2063	msbutton:
		2064	movzx eax, byte [BTN_DOWN]
		2065	mov [esp+36-4], eax
		2066	ret
		2067	msz:
		2068	mov edi, [TASK_COUNT]
		2069	movzx edi, word [WIN_POS + edi*2]
		2070	cmp edi, [CURRENT_TASK]
		2071	jne @f
		2072	mov ax, [MOUSE_SCROLL_H]
		2073	shl eax, 16
		2074	mov ax, [MOUSE_SCROLL_V]
		2075	mov [esp+36-4], eax
		2076	and [MOUSE_SCROLL_H], word 0
		2077	and [MOUSE_SCROLL_V], word 0
		2078	ret
		2079	@@:
		2080	and [esp+36-4], dword 0
		2081	; ret
		2082	msset:
		2083	ret
		2084
		2085	app_load_cursor:
		2086	cmp ecx, OS_BASE
		2087	jae msset
		2088	stdcall load_cursor, ecx, edx
		2089	mov [esp+36-4], eax
		2090	ret
		2091
		2092	app_set_cursor:
		2093	stdcall set_cursor, ecx
		2094	mov [esp+36-4], eax
		2095	ret
		2096
		2097	app_delete_cursor:
		2098	stdcall delete_cursor, ecx
		2099	mov [esp+36-4], eax
		2100	ret
		2101
		2102	is_input:
		2103
		2104	push edx
		2105	mov dx, word [midisp]
		2106	in al, dx
		2107	and al, 0x80
		2108	pop edx
		2109	ret
		2110
		2111	is_output:
		2112
		2113	push edx
		2114	mov dx, word [midisp]
		2115	in al, dx
		2116	and al, 0x40
		2117	pop edx
		2118	ret
		2119
		2120
		2121	get_mpu_in:
		2122
		2123	push edx
		2124	mov dx, word [mididp]
		2125	in al, dx
		2126	pop edx
		2127	ret
		2128
		2129
		2130	put_mpu_out:
		2131
		2132	push edx
		2133	mov dx, word [mididp]
		2134	out dx, al
		2135	pop edx
		2136	ret
		2137
		2138
		2139
		2140	align 4
		2141
		2142	sys_midi:
		2143	cmp [mididp], 0
		2144	jnz sm0
		2145	mov [esp+36], dword 1
		2146	ret
		2147	sm0:
		2148	and [esp+36], dword 0
		2149	dec ebx
		2150	jnz smn1
		2151	; call setuart
		2152	su1:
		2153	call is_output
		2154	test al, al
		2155	jnz su1
		2156	mov dx, word [midisp]
		2157	mov al, 0xff
		2158	out dx, al
		2159	su2:
		2160	mov dx, word [midisp]
		2161	mov al, 0xff
		2162	out dx, al
		2163	call is_input
		2164	test al, al
		2165	jnz su2
		2166	call get_mpu_in
		2167	cmp al, 0xfe
		2168	jnz su2
		2169	su3:
		2170	call is_output
		2171	test al, al
		2172	jnz su3
		2173	mov dx, word [midisp]
		2174	mov al, 0x3f
		2175	out dx, al
		2176	ret
		2177	smn1:
		2178	dec ebx
		2179	jnz smn2
		2180	sm10:
		2181	call get_mpu_in
		2182	call is_output
		2183	test al, al
		2184	jnz sm10
		2185	mov al, bl
		2186	call put_mpu_out
		2187	smn2:
		2188	ret
		2189
		2190	detect_devices:
		2191	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		2192	;include 'detect/commouse.inc'
		2193	;include 'detect/ps2mouse.inc'
		2194	;include 'detect/dev_fd.inc'
		2195	;include 'detect/dev_hdcd.inc'
		2196	;include 'detect/sear_par.inc'
		2197	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		2198	ret
		2199
		2200	sys_end:
		2201	;--------------------------------------
		2202	cmp [_display.select_cursor], 0
		2203	je @f
		2204	; restore default cursor before killing
		2205	pusha
		2206	mov ecx, [current_slot]
		2207	call restore_default_cursor_before_killing
		2208	popa
		2209	@@:
		2210	;--------------------------------------
		2211	; kill all sockets this process owns
		2212	pusha
		2213	mov edx, [TASK_BASE]
		2214	mov edx, [edx+TASKDATA.pid]
		2215	call SOCKET_process_end
		2216	popa
		2217	;--------------------------------------
		2218	mov ecx, [current_slot]
		2219	mov eax, [ecx+APPDATA.tls_base]
		2220	test eax, eax
		2221	jz @F
		2222
		2223	stdcall user_free, eax
		2224	@@:
		2225
		2226	mov eax, [TASK_BASE]
		2227	mov [eax+TASKDATA.state], 3; terminate this program
		2228	call wakeup_osloop
		2229
		2230	.waitterm: ; wait here for termination
		2231	call change_task
		2232	jmp .waitterm
		2233	;------------------------------------------------------------------------------
		2234	align 4
		2235	restore_default_cursor_before_killing:
		2236	pushfd
		2237	cli
		2238	mov eax, [def_cursor]
		2239	mov [ecx+APPDATA.cursor], eax
		2240
		2241	movzx eax, word [MOUSE_Y]
		2242	movzx ebx, word [MOUSE_X]
		2243	; mov ecx, [Screen_Max_X]
		2244	; inc ecx
		2245	; mul ecx
		2246	mov eax, [d_width_calc_area + eax*4]
		2247
		2248	add eax, [_WinMapAddress]
		2249	movzx edx, byte [ebx+eax]
		2250	shl edx, 8
		2251	mov esi, [edx+SLOT_BASE+APPDATA.cursor]
		2252
		2253	cmp esi, [current_cursor]
		2254	je @f
		2255
		2256	push esi
		2257	call [_display.select_cursor]
		2258	mov [current_cursor], esi
		2259	@@:
		2260	mov [redrawmouse_unconditional], 1
		2261	call wakeup_osloop
		2262	popfd
		2263	ret
		2264	;------------------------------------------------------------------------------
		2265	iglobal
		2266	align 4
		2267	sys_system_table:
		2268	dd sysfn_deactivate ; 1 = deactivate window
		2269	dd sysfn_terminate ; 2 = terminate thread
		2270	dd sysfn_activate ; 3 = activate window
		2271	dd sysfn_getidletime ; 4 = get idle time
		2272	dd sysfn_getcpuclock ; 5 = get cpu clock
		2273	dd sysfn_saveramdisk ; 6 = save ramdisk
		2274	dd sysfn_getactive ; 7 = get active window
		2275	dd sysfn_sound_flag ; 8 = get/set sound_flag
		2276	dd sysfn_shutdown ; 9 = shutdown with parameter
		2277	dd sysfn_minimize ; 10 = minimize window
		2278	dd sysfn_getdiskinfo ; 11 = get disk subsystem info
		2279	dd sysfn_lastkey ; 12 = get last pressed key
		2280	dd sysfn_getversion ; 13 = get kernel version
		2281	dd sysfn_waitretrace ; 14 = wait retrace
		2282	dd sysfn_centermouse ; 15 = center mouse cursor
		2283	dd sysfn_getfreemem ; 16 = get free memory size
		2284	dd sysfn_getallmem ; 17 = get total memory size
		2285	dd sysfn_terminate2 ; 18 = terminate thread using PID
		2286	; instead of slot
		2287	dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration
		2288	dd sysfn_meminfo ; 20 = get extended memory info
		2289	dd sysfn_pid_to_slot ; 21 = get slot number for pid
		2290	dd sysfn_min_rest_window ; 22 = minimize and restore any window
		2291	dd sysfn_min_windows ; 23 = minimize all windows
		2292	dd sysfn_set_screen_sizes ; 24 = set screen sizes for Vesa
		2293	sysfn_num = ($ - sys_system_table)/4
		2294	endg
		2295	;------------------------------------------------------------------------------
		2296	sys_system:
		2297	dec ebx
		2298	cmp ebx, sysfn_num
		2299	jae @f
		2300	jmp dword [sys_system_table + ebx*4]
		2301	@@:
		2302	ret
		2303	;------------------------------------------------------------------------------
		2304	sysfn_shutdown: ; 18.9 = system shutdown
		2305	cmp ecx, 1
		2306	jl exit_for_anyone
		2307	cmp ecx, 4
		2308	jg exit_for_anyone
		2309	mov [BOOT_VARS+0x9030], cl
		2310
		2311	mov eax, [TASK_COUNT]
		2312	mov [SYS_SHUTDOWN], al
		2313	mov [shutdown_processes], eax
		2314	call wakeup_osloop
		2315	and dword [esp+32], 0
		2316	exit_for_anyone:
		2317	ret
		2318	uglobal
		2319	shutdown_processes:
		2320	dd 0x0
		2321	endg
		2322	;------------------------------------------------------------------------------
		2323	sysfn_terminate: ; 18.2 = TERMINATE
		2324	push ecx
		2325	cmp ecx, 2
		2326	jb noprocessterminate
		2327	mov edx, [TASK_COUNT]
		2328	cmp ecx, edx
		2329	ja noprocessterminate
		2330	mov eax, [TASK_COUNT]
		2331	shl ecx, 5
		2332	mov edx, [ecx+CURRENT_TASK+TASKDATA.pid]
		2333	add ecx, CURRENT_TASK+TASKDATA.state
		2334	cmp byte [ecx], 9
		2335	jz noprocessterminate
		2336	push ecx edx
		2337	lea edx, [(ecx-(CURRENT_TASK and 1FFFFFFFh)-TASKDATA.state)*8+SLOT_BASE]
		2338	call request_terminate
		2339	pop edx ecx
		2340	test eax, eax
		2341	jz noprocessterminate
		2342	;--------------------------------------
		2343	; terminate all network sockets it used
		2344	pusha
		2345	mov eax, edx
		2346	call SOCKET_process_end
		2347	popa
		2348	;--------------------------------------
		2349	cmp [_display.select_cursor], 0
		2350	je .restore_end
		2351	; restore default cursor before killing
		2352	pusha
		2353	mov ecx, [esp+32]
		2354	shl ecx, 8
		2355	add ecx, SLOT_BASE
		2356	mov eax, [def_cursor]
		2357	cmp [ecx+APPDATA.cursor], eax
		2358	je @f
		2359	call restore_default_cursor_before_killing
		2360	@@:
		2361	popa
		2362	.restore_end:
		2363	;--------------------------------------
		2364	;call MEM_Heap_Lock ;guarantee that process isn't working with heap
		2365	mov [ecx], byte 3; clear possible i40's
		2366	call wakeup_osloop
		2367	;call MEM_Heap_UnLock
		2368
		2369	cmp edx, [application_table_owner]; clear app table stat
		2370	jne noatsc
		2371	call unlock_application_table
		2372	noatsc:
		2373	noprocessterminate:
		2374	add esp, 4
		2375	ret
		2376	;------------------------------------------------------------------------------
		2377	sysfn_terminate2:
		2378	;lock application_table_status mutex
		2379	.table_status:
		2380	call lock_application_table
		2381	mov eax, ecx
		2382	call pid_to_slot
		2383	test eax, eax
		2384	jz .not_found
		2385	mov ecx, eax
		2386	cli
		2387	call sysfn_terminate
		2388	call unlock_application_table
		2389	sti
		2390	and dword [esp+32], 0
		2391	ret
		2392	.not_found:
		2393	call unlock_application_table
		2394	or dword [esp+32], -1
		2395	ret
		2396	;------------------------------------------------------------------------------
		2397	sysfn_deactivate: ; 18.1 = DEACTIVATE WINDOW
		2398	cmp ecx, 2
		2399	jb .nowindowdeactivate
		2400	cmp ecx, [TASK_COUNT]
		2401	ja .nowindowdeactivate
		2402
		2403	movzx esi, word [WIN_STACK + ecx*2]
		2404	cmp esi, 1
		2405	je .nowindowdeactivate ; already deactive
		2406
		2407	mov edi, ecx
		2408	shl edi, 5
		2409	add edi, window_data
		2410	movzx esi, word [WIN_STACK + ecx * 2]
		2411	lea esi, [WIN_POS + esi * 2]
		2412	call window._.window_deactivate
		2413
		2414	call syscall_display_settings._.calculate_whole_screen
		2415	call syscall_display_settings._.redraw_whole_screen
		2416	.nowindowdeactivate:
		2417	ret
		2418	;------------------------------------------------------------------------------
		2419	sysfn_activate: ; 18.3 = ACTIVATE WINDOW
		2420	cmp ecx, 2
		2421	jb .nowindowactivate
		2422	cmp ecx, [TASK_COUNT]
		2423	ja .nowindowactivate
		2424	;-------------------------------------
		2425	@@:
		2426	; If the window is captured and moved by the user,
		2427	; then you can't change the position in window stack!!!
		2428	mov al, [mouse.active_sys_window.action]
		2429	and al, WINDOW_MOVE_AND_RESIZE_FLAGS
		2430	test al, al
		2431	jz @f
		2432	call change_task
		2433	jmp @b
		2434	@@:
		2435	;-------------------------------------
		2436	mov [window_minimize], 2; restore window if minimized
		2437	call wakeup_osloop
		2438
		2439	movzx esi, word [WIN_STACK + ecx*2]
		2440	cmp esi, [TASK_COUNT]
		2441	je .nowindowactivate; already active
		2442
		2443	mov edi, ecx
		2444	shl edi, 5
		2445	add edi, window_data
		2446	movzx esi, word [WIN_STACK + ecx * 2]
		2447	lea esi, [WIN_POS + esi * 2]
		2448	call waredraw
		2449	.nowindowactivate:
		2450	ret
		2451	;------------------------------------------------------------------------------
		2452	sysfn_getidletime: ; 18.4 = GET IDLETIME
		2453	mov eax, [CURRENT_TASK+32+TASKDATA.cpu_usage]
		2454	mov [esp+32], eax
		2455	ret
		2456	;------------------------------------------------------------------------------
		2457	sysfn_getcpuclock: ; 18.5 = GET TSC/SEC
		2458	mov eax, dword [cpu_freq]
		2459	mov [esp+32], eax
		2460	ret
		2461	;------------------------------------------------------------------------------
		2462	get_cpu_freq:
		2463	mov eax, dword [cpu_freq]
		2464	mov edx, dword [cpu_freq+4]
		2465	ret
		2466	; SAVE ramdisk to /hd/1/menuet.img
		2467	;!!!!!!!!!!!!!!!!!!!!!!!!
		2468	include 'blkdev/rdsave.inc'
		2469	;!!!!!!!!!!!!!!!!!!!!!!!!
		2470	;------------------------------------------------------------------------------
		2471	align 4
		2472	sysfn_getactive: ; 18.7 = get active window
		2473	mov eax, [TASK_COUNT]
		2474	movzx eax, word [WIN_POS + eax*2]
		2475	mov [esp+32], eax
		2476	ret
		2477	;------------------------------------------------------------------------------
		2478	sysfn_sound_flag: ; 18.8 = get/set sound_flag
		2479	; cmp ecx,1
		2480	dec ecx
		2481	jnz nogetsoundflag
		2482	movzx eax, byte [sound_flag]; get sound_flag
		2483	mov [esp+32], eax
		2484	ret
		2485	nogetsoundflag:
		2486	; cmp ecx,2
		2487	dec ecx
		2488	jnz nosoundflag
		2489	xor byte [sound_flag], 1
		2490	nosoundflag:
		2491	ret
		2492	;------------------------------------------------------------------------------
		2493	sysfn_minimize: ; 18.10 = minimize window
		2494	mov [window_minimize], 1
		2495	call wakeup_osloop
		2496	ret
		2497	;------------------------------------------------------------------------------
		2498	align 4
		2499	sysfn_getdiskinfo: ; 18.11 = get disk info table
		2500	; cmp ecx,1
		2501	dec ecx
		2502	jnz full_table
		2503	small_table:
		2504	call for_all_tables
		2505	mov ecx, 10
		2506	cld
		2507	rep movsb
		2508	ret
		2509	for_all_tables:
		2510	mov edi, edx
		2511	mov esi, DRIVE_DATA
		2512	ret
		2513	full_table:
		2514	; cmp ecx,2
		2515	dec ecx
		2516	jnz exit_for_anyone
		2517	call for_all_tables
		2518	mov ecx, DRIVE_DATA_SIZE/4
		2519	cld
		2520	rep movsd
		2521	ret
		2522	;------------------------------------------------------------------------------
		2523	sysfn_lastkey: ; 18.12 = return 0 (backward compatibility)
		2524	and dword [esp+32], 0
		2525	ret
		2526	;------------------------------------------------------------------------------
		2527	sysfn_getversion: ; 18.13 = get kernel ID and version
		2528	mov edi, ecx
		2529	mov esi, version_inf
		2530	mov ecx, version_end-version_inf
		2531	rep movsb
		2532	ret
		2533	;------------------------------------------------------------------------------
		2534	sysfn_waitretrace: ; 18.14 = sys wait retrace
		2535	;wait retrace functions
		2536	sys_wait_retrace:
		2537	mov edx, 0x3da
		2538	WaitRetrace_loop:
		2539	in al, dx
		2540	test al, 1000b
		2541	jz WaitRetrace_loop
		2542	and [esp+32], dword 0
		2543	ret
		2544	;------------------------------------------------------------------------------
		2545	align 4
		2546	sysfn_centermouse: ; 18.15 = mouse centered
		2547	; removed here by
		2548	; call mouse_centered
		2549	;* mouse centered - start code- Mario79
		2550	;mouse_centered:
		2551	; push eax
		2552	mov eax, [Screen_Max_X]
		2553	shr eax, 1
		2554	mov [MOUSE_X], ax
		2555	mov eax, [Screen_Max_Y]
		2556	shr eax, 1
		2557	mov [MOUSE_Y], ax
		2558	call wakeup_osloop
		2559	; ret
		2560	;* mouse centered - end code- Mario79
		2561	xor eax, eax
		2562	and [esp+32], eax
		2563	; pop eax
		2564	ret
		2565	;------------------------------------------------------------------------------
		2566	align 4
		2567	sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
		2568	test ecx, ecx; get mouse speed factor
		2569	jnz .set_mouse_acceleration
		2570	xor eax, eax
		2571	mov ax, [mouse_speed_factor]
		2572	mov [esp+32], eax
		2573	ret
		2574	.set_mouse_acceleration:
		2575	; cmp ecx,1 ; set mouse speed factor
		2576	dec ecx
		2577	jnz .get_mouse_delay
		2578	mov [mouse_speed_factor], dx
		2579	ret
		2580	.get_mouse_delay:
		2581	; cmp ecx,2 ; get mouse delay
		2582	dec ecx
		2583	jnz .set_mouse_delay
		2584	mov eax, [mouse_delay]
		2585	mov [esp+32], eax
		2586	ret
		2587	.set_mouse_delay:
		2588	; cmp ecx,3 ; set mouse delay
		2589	dec ecx
		2590	jnz .set_pointer_position
		2591	mov [mouse_delay], edx
		2592	ret
		2593	.set_pointer_position:
		2594	; cmp ecx,4 ; set mouse pointer position
		2595	dec ecx
		2596	jnz .set_mouse_button
		2597	cmp dx, word[Screen_Max_Y]
		2598	ja .end
		2599	rol edx, 16
		2600	cmp dx, word[Screen_Max_X]
		2601	ja .end
		2602	mov [MOUSE_X], edx
		2603	mov [mouse_active], 1
		2604	call wakeup_osloop
		2605	ret
		2606	.set_mouse_button:
		2607	; cmp ecx,5 ; set mouse button features
		2608	dec ecx
		2609	jnz .end
		2610	mov [BTN_DOWN], dl
		2611	mov [mouse_active], 1
		2612	call wakeup_osloop
		2613	.end:
		2614	ret
		2615	;------------------------------------------------------------------------------
		2616	sysfn_getfreemem:
		2617	mov eax, [pg_data.pages_free]
		2618	shl eax, 2
		2619	mov [esp+32], eax
		2620	ret
		2621	;------------------------------------------------------------------------------
		2622	sysfn_getallmem:
		2623	mov eax, [MEM_AMOUNT]
		2624	shr eax, 10
		2625	mov [esp+32], eax
		2626	ret
		2627	;------------------------------------------------------------------------------
		2628	sysfn_pid_to_slot:
		2629	mov eax, ecx
		2630	call pid_to_slot
		2631	mov [esp+32], eax
		2632	ret
		2633	;------------------------------------------------------------------------------
		2634	sysfn_min_rest_window:
		2635	pushad
		2636	mov eax, edx ; ebx - operating
		2637	shr ecx, 1
		2638	jnc @f
		2639	call pid_to_slot
		2640	@@:
		2641	or eax, eax ; eax - number of slot
		2642	jz .error
		2643	cmp eax, 255 ; varify maximal slot number
		2644	ja .error
		2645	movzx eax, word [WIN_STACK + eax*2]
		2646	shr ecx, 1
		2647	jc .restore
		2648	; .minimize:
		2649	call minimize_window
		2650	jmp .exit
		2651	.restore:
		2652	call restore_minimized_window
		2653	.exit:
		2654	popad
		2655	xor eax, eax
		2656	mov [esp+32], eax
		2657	ret
		2658	.error:
		2659	popad
		2660	xor eax, eax
		2661	dec eax
		2662	mov [esp+32], eax
		2663	ret
		2664	;------------------------------------------------------------------------------
		2665	sysfn_min_windows:
		2666	call minimize_all_window
		2667	mov [esp+32], eax
		2668	call change_task
		2669	ret
		2670	;------------------------------------------------------------------------------
		2671	sysfn_set_screen_sizes:
		2672	cmp [SCR_MODE], word 0x13
		2673	jbe .exit
		2674
		2675	cmp [_display.select_cursor], select_cursor
		2676	jne .exit
		2677
		2678	cmp ecx, [display_width_standard]
		2679	ja .exit
		2680
		2681	cmp edx, [display_height_standard]
		2682	ja .exit
		2683
		2684	pushfd
		2685	cli
		2686	mov eax, ecx
		2687	mov ecx, [_display.pitch]
		2688	mov [_display.width], eax
		2689	dec eax
		2690	mov [_display.height], edx
		2691	dec edx
		2692	; eax - new Screen_Max_X
		2693	; edx - new Screen_Max_Y
		2694	mov [do_not_touch_winmap], 1
		2695	call set_screen
		2696	mov [do_not_touch_winmap], 0
		2697	popfd
		2698	call change_task
		2699	.exit:
		2700	ret
		2701	;------------------------------------------------------------------------------
		2702	uglobal
		2703	screen_workarea RECT
		2704	display_width_standard dd 0
		2705	display_height_standard dd 0
		2706	do_not_touch_winmap db 0
		2707	window_minimize db 0
		2708	sound_flag db 0
		2709
		2710	endg
		2711
		2712	UID_NONE=0
		2713	UID_MENUETOS=1 ;official
		2714	UID_KOLIBRI=2 ;russian
		2715
		2716	iglobal
		2717	version_inf:
		2718	db 0,7,7,0 ; version 0.7.7.0
		2719	db 0
		2720	.rev dd __REV__
		2721	version_end:
		2722	endg
		2723	;------------------------------------------------------------------------------
		2724	align 4
		2725	sys_cachetodiskette:
		2726	cmp ebx, 1
		2727	jb .no_floppy_save
		2728	cmp ebx, 2
		2729	ja .no_floppy_save
		2730	call save_image
		2731	mov [esp + 32], eax
		2732	ret
		2733	.no_floppy_save:
		2734	mov [esp + 32], dword 1
		2735	ret
		2736	;------------------------------------------------------------------------------
		2737	uglobal
		2738	; bgrchanged dd 0x0
		2739	align 4
		2740	bgrlockpid dd 0
		2741	bgrlock db 0
		2742	endg
		2743	;------------------------------------------------------------------------------
		2744	align 4
		2745	sys_background:
		2746	cmp ebx, 1 ; BACKGROUND SIZE
		2747	jnz nosb1
		2748	test ecx, ecx
		2749	jz sbgrr
		2750
		2751	test edx, edx
		2752	jz sbgrr
		2753	;--------------------------------------
		2754	align 4
		2755	@@:
		2756	;;Maxis use atomic bts for mutexes 4.4.2009
		2757	bts dword [bgrlock], 0
		2758	jnc @f
		2759	call change_task
		2760	jmp @b
		2761	;--------------------------------------
		2762	align 4
		2763	@@:
		2764	mov [BgrDataWidth], ecx
		2765	mov [BgrDataHeight], edx
		2766	; mov [bgrchanged],1
		2767
		2768	pushad
		2769	; return memory for old background
		2770	mov eax, [img_background]
		2771	cmp eax, static_background_data
		2772	jz @f
		2773	stdcall kernel_free, eax
		2774	;--------------------------------------
		2775	align 4
		2776	@@:
		2777	; calculate RAW size
		2778	xor eax, eax
		2779	inc eax
		2780	cmp [BgrDataWidth], eax
		2781	jae @f
		2782	mov [BgrDataWidth], eax
		2783	;--------------------------------------
		2784	align 4
		2785	@@:
		2786	cmp [BgrDataHeight], eax
		2787	jae @f
		2788	mov [BgrDataHeight], eax
		2789	;--------------------------------------
		2790	align 4
		2791	@@:
		2792	mov eax, [BgrDataWidth]
		2793	imul eax, [BgrDataHeight]
		2794	lea eax, [eax*3]
		2795	; it is reserved with aligned to the boundary of 4 KB pages,
		2796	; otherwise there may be exceptions a page fault for vesa20_drawbackground_tiled
		2797	; because the 32 bit read is used for high performance: "mov eax,[esi]"
		2798	shr eax, 12
		2799	inc eax
		2800	shl eax, 12
		2801	mov [mem_BACKGROUND], eax
		2802	; get memory for new background
		2803	stdcall kernel_alloc, eax
		2804	test eax, eax
		2805	jz .memfailed
		2806	mov [img_background], eax
		2807	jmp .exit
		2808	;--------------------------------------
		2809	align 4
		2810	.memfailed:
		2811	; revert to static monotone data
		2812	mov [img_background], static_background_data
		2813	xor eax, eax
		2814	inc eax
		2815	mov [BgrDataWidth], eax
		2816	mov [BgrDataHeight], eax
		2817	mov [mem_BACKGROUND], 4
		2818	;--------------------------------------
		2819	align 4
		2820	.exit:
		2821	popad
		2822	mov [bgrlock], 0
		2823	;--------------------------------------
		2824	align 4
		2825	sbgrr:
		2826	ret
		2827	;------------------------------------------------------------------------------
		2828	align 4
		2829	nosb1:
		2830	cmp ebx, 2 ; SET PIXEL
		2831	jnz nosb2
		2832
		2833	mov eax, [img_background]
		2834	test ecx, ecx
		2835	jz @f
		2836	cmp eax, static_background_data
		2837	jz .ret
		2838	;--------------------------------------
		2839	align 4
		2840	@@:
		2841	mov ebx, [mem_BACKGROUND]
		2842	add ebx, 4095
		2843	and ebx, -4096
		2844	sub ebx, 4
		2845	cmp ecx, ebx
		2846	ja .ret
		2847
		2848	mov ebx, [eax+ecx]
		2849	and ebx, 0xFF000000;255256256*256
		2850	and edx, 0x00FFFFFF;255256256+255*256+255
		2851	add edx, ebx
		2852	mov [eax+ecx], edx
		2853	;--------------------------------------
		2854	align 4
		2855	.ret:
		2856	ret
		2857	;------------------------------------------------------------------------------
		2858	align 4
		2859	nosb2:
		2860	cmp ebx, 3 ; DRAW BACKGROUND
		2861	jnz nosb3
		2862	;--------------------------------------
		2863	align 4
		2864	draw_background_temp:
		2865	mov [background_defined], 1
		2866	call force_redraw_background
		2867	;--------------------------------------
		2868	align 4
		2869	nosb31:
		2870	ret
		2871	;------------------------------------------------------------------------------
		2872	align 4
		2873	nosb3:
		2874	cmp ebx, 4 ; TILED / STRETCHED
		2875	jnz nosb4
		2876	cmp ecx, [BgrDrawMode]
		2877	je nosb41
		2878	mov [BgrDrawMode], ecx
		2879	;--------------------------------------
		2880	align 4
		2881	nosb41:
		2882	ret
		2883	;------------------------------------------------------------------------------
		2884	align 4
		2885	nosb4:
		2886	cmp ebx, 5 ; BLOCK MOVE TO BGR
		2887	jnz nosb5
		2888	cmp [img_background], static_background_data
		2889	jnz @f
		2890	test edx, edx
		2891	jnz .fin
		2892	cmp esi, 4
		2893	ja .fin
		2894	;--------------------------------------
		2895	align 4
		2896	@@:
		2897	; bughere
		2898	mov eax, ecx
		2899	mov ebx, edx
		2900	add ebx, [img_background];IMG_BACKGROUND
		2901	mov ecx, esi
		2902	call memmove
		2903	;--------------------------------------
		2904	align 4
		2905	.fin:
		2906	ret
		2907	;------------------------------------------------------------------------------
		2908	align 4
		2909	nosb5:
		2910	cmp ebx, 6
		2911	jnz nosb6
		2912	;--------------------------------------
		2913	align 4
		2914	;;Maxis use atomic bts for mutex 4.4.2009
		2915	@@:
		2916	bts dword [bgrlock], 0
		2917	jnc @f
		2918	call change_task
		2919	jmp @b
		2920	;--------------------------------------
		2921	align 4
		2922	@@:
		2923	mov eax, [CURRENT_TASK]
		2924	mov [bgrlockpid], eax
		2925	cmp [img_background], static_background_data
		2926	jz .nomem
		2927	stdcall user_alloc, [mem_BACKGROUND]
		2928	mov [esp+32], eax
		2929	test eax, eax
		2930	jz .nomem
		2931	mov ebx, eax
		2932	shr ebx, 12
		2933	or dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
		2934	mov esi, [img_background]
		2935	shr esi, 12
		2936	mov ecx, [mem_BACKGROUND]
		2937	add ecx, 0xFFF
		2938	shr ecx, 12
		2939	;--------------------------------------
		2940	align 4
		2941	.z:
		2942	mov eax, [page_tabs+ebx*4]
		2943	test al, 1
		2944	jz @f
		2945	call free_page
		2946	;--------------------------------------
		2947	align 4
		2948	@@:
		2949	mov eax, [page_tabs+esi*4]
		2950	or al, PG_UW
		2951	mov [page_tabs+ebx*4], eax
		2952	mov eax, ebx
		2953	shl eax, 12
		2954	invlpg [eax]
		2955	inc ebx
		2956	inc esi
		2957	loop .z
		2958	ret
		2959	;--------------------------------------
		2960	align 4
		2961	.nomem:
		2962	and [bgrlockpid], 0
		2963	mov [bgrlock], 0
		2964	;------------------------------------------------------------------------------
		2965	align 4
		2966	nosb6:
		2967	cmp ebx, 7
		2968	jnz nosb7
		2969	cmp [bgrlock], 0
		2970	jz .err
		2971	mov eax, [CURRENT_TASK]
		2972	cmp [bgrlockpid], eax
		2973	jnz .err
		2974	mov eax, ecx
		2975	mov ebx, ecx
		2976	shr eax, 12
		2977	mov ecx, [page_tabs+(eax-1)*4]
		2978	test cl, USED_BLOCK+DONT_FREE_BLOCK
		2979	jz .err
		2980	jnp .err
		2981	push eax
		2982	shr ecx, 12
		2983	dec ecx
		2984	;--------------------------------------
		2985	align 4
		2986	@@:
		2987	and dword [page_tabs+eax*4], 0
		2988	mov edx, eax
		2989	shl edx, 12
		2990	push eax
		2991	invlpg [edx]
		2992	pop eax
		2993	inc eax
		2994	loop @b
		2995	pop eax
		2996	and dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
		2997	stdcall user_free, ebx
		2998	mov [esp+32], eax
		2999	and [bgrlockpid], 0
		3000	mov [bgrlock], 0
		3001	ret
		3002	;--------------------------------------
		3003	align 4
		3004	.err:
		3005	and dword [esp+32], 0
		3006	ret
		3007	;------------------------------------------------------------------------------
		3008	align 4
		3009	nosb7:
		3010	cmp ebx, 8
		3011	jnz nosb8
		3012
		3013	mov ecx, [current_slot]
		3014	xor eax, eax
		3015	xchg eax, [ecx+APPDATA.draw_bgr_x]
		3016	mov [esp + 32], eax ; eax = [left]*65536 + [right]
		3017	xor eax, eax
		3018	xchg eax, [ecx+APPDATA.draw_bgr_y]
		3019	mov [esp + 20], eax ; ebx = [top]*65536 + [bottom]
		3020	ret
		3021	;------------------------------------------------------------------------------
		3022	align 4
		3023	nosb8:
		3024	cmp ebx, 9
		3025	jnz nosb9
		3026	; ecx = [left]*65536 + [right]
		3027	; edx = [top]*65536 + [bottom]
		3028	mov eax, [Screen_Max_X]
		3029	mov ebx, [Screen_Max_Y]
		3030	; check [right]
		3031	cmp cx, ax
		3032	ja .exit
		3033	; check [left]
		3034	ror ecx, 16
		3035	cmp cx, ax
		3036	ja .exit
		3037	; check [bottom]
		3038	cmp dx, bx
		3039	ja .exit
		3040	; check [top]
		3041	ror edx, 16
		3042	cmp dx, bx
		3043	ja .exit
		3044
		3045	movzx eax, cx ; [left]
		3046	movzx ebx, dx ; [top]
		3047
		3048	shr ecx, 16 ; [right]
		3049	shr edx, 16 ; [bottom]
		3050
		3051	mov [background_defined], 1
		3052
		3053	mov [draw_data+32 + RECT.left], eax
		3054	mov [draw_data+32 + RECT.top], ebx
		3055
		3056	mov [draw_data+32 + RECT.right], ecx
		3057	mov [draw_data+32 + RECT.bottom], edx
		3058
		3059	inc byte[REDRAW_BACKGROUND]
		3060	call wakeup_osloop
		3061	;--------------------------------------
		3062	align 4
		3063	.exit:
		3064	ret
		3065	;------------------------------------------------------------------------------
		3066	align 4
		3067	nosb9:
		3068	ret
		3069	;------------------------------------------------------------------------------
		3070	align 4
		3071	uglobal
		3072	BG_Rect_X_left_right dd 0x0
		3073	BG_Rect_Y_top_bottom dd 0x0
		3074	endg
		3075	;------------------------------------------------------------------------------
		3076	align 4
		3077	force_redraw_background:
		3078	and [draw_data+32 + RECT.left], 0
		3079	and [draw_data+32 + RECT.top], 0
		3080	push eax ebx
		3081	mov eax, [Screen_Max_X]
		3082	mov ebx, [Screen_Max_Y]
		3083	mov [draw_data+32 + RECT.right], eax
		3084	mov [draw_data+32 + RECT.bottom], ebx
		3085	pop ebx eax
		3086	inc byte[REDRAW_BACKGROUND]
		3087	call wakeup_osloop
		3088	ret
		3089	;------------------------------------------------------------------------------
		3090	align 4
		3091	sys_getbackground:
		3092	; cmp eax,1 ; SIZE
		3093	dec ebx
		3094	jnz nogb1
		3095	mov eax, [BgrDataWidth]
		3096	shl eax, 16
		3097	mov ax, word [BgrDataHeight]
		3098	mov [esp+32], eax
		3099	ret
		3100	;------------------------------------------------------------------------------
		3101	align 4
		3102	nogb1:
		3103	; cmp eax,2 ; PIXEL
		3104	dec ebx
		3105	jnz nogb2
		3106
		3107	mov eax, [img_background]
		3108	test ecx, ecx
		3109	jz @f
		3110	cmp eax, static_background_data
		3111	jz .ret
		3112	;--------------------------------------
		3113	align 4
		3114	@@:
		3115	mov ebx, [mem_BACKGROUND]
		3116	add ebx, 4095
		3117	and ebx, -4096
		3118	sub ebx, 4
		3119	cmp ecx, ebx
		3120	ja .ret
		3121
		3122	mov eax, [ecx+eax]
		3123
		3124	and eax, 0xFFFFFF
		3125	mov [esp+32], eax
		3126	;--------------------------------------
		3127	align 4
		3128	.ret:
		3129	ret
		3130	;------------------------------------------------------------------------------
		3131	align 4
		3132	nogb2:
		3133
		3134	; cmp eax,4 ; TILED / STRETCHED
		3135	dec ebx
		3136	dec ebx
		3137	jnz nogb4
		3138	mov eax, [BgrDrawMode]
		3139	;--------------------------------------
		3140	align 4
		3141	nogb4:
		3142	mov [esp+32], eax
		3143	ret
		3144	;------------------------------------------------------------------------------
		3145	align 4
		3146	sys_getkey:
		3147	mov [esp + 32], dword 1
		3148	; test main buffer
		3149	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
		3150	movzx ecx, word [WIN_STACK + ebx * 2]
		3151	mov edx, [TASK_COUNT]
		3152	cmp ecx, edx
		3153	jne .finish
		3154	cmp [KEY_COUNT], byte 0
		3155	je .finish
		3156	movzx eax, byte [KEY_BUFF]
		3157	shl eax, 8
		3158	push eax
		3159	dec byte [KEY_COUNT]
		3160	and byte [KEY_COUNT], 127
		3161	movzx ecx, byte [KEY_COUNT]
		3162	add ecx, 2
		3163	mov eax, KEY_BUFF + 1
		3164	mov ebx, KEY_BUFF
		3165	call memmove
		3166	pop eax
		3167	;--------------------------------------
		3168	align 4
		3169	.ret_eax:
		3170	mov [esp + 32], eax
		3171	ret
		3172	;--------------------------------------
		3173	align 4
		3174	.finish:
		3175	; test hotkeys buffer
		3176	mov ecx, hotkey_buffer
		3177	;--------------------------------------
		3178	align 4
		3179	@@:
		3180	cmp [ecx], ebx
		3181	jz .found
		3182	add ecx, 8
		3183	cmp ecx, hotkey_buffer + 120 * 8
		3184	jb @b
		3185	ret
		3186	;--------------------------------------
		3187	align 4
		3188	.found:
		3189	mov ax, [ecx + 6]
		3190	shl eax, 16
		3191	mov ah, [ecx + 4]
		3192	mov al, 2
		3193	and dword [ecx + 4], 0
		3194	and dword [ecx], 0
		3195	jmp .ret_eax
		3196	;------------------------------------------------------------------------------
		3197	align 4
		3198	sys_getbutton:
		3199	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
		3200	mov [esp + 32], dword 1
		3201	movzx ecx, word [WIN_STACK + ebx * 2]
		3202	mov edx, [TASK_COUNT] ; less than 256 processes
		3203	cmp ecx, edx
		3204	jne .exit
		3205	movzx eax, byte [BTN_COUNT]
		3206	test eax, eax
		3207	jz .exit
		3208	mov eax, [BTN_BUFF]
		3209	and al, 0xFE ; delete left button bit
		3210	mov [BTN_COUNT], byte 0
		3211	mov [esp + 32], eax
		3212	;--------------------------------------
		3213	align 4
		3214	.exit:
		3215	ret
		3216	;------------------------------------------------------------------------------
		3217	align 4
		3218	sys_cpuusage:
		3219
		3220	; RETURN:
		3221	;
		3222	; +00 dword process cpu usage
		3223	; +04 word position in windowing stack
		3224	; +06 word windowing stack value at current position (cpu nro)
		3225	; +10 12 bytes name
		3226	; +22 dword start in mem
		3227	; +26 dword used mem
		3228	; +30 dword PID , process idenfification number
		3229	;
		3230
		3231	cmp ecx, -1 ; who am I ?
		3232	jne .no_who_am_i
		3233	mov ecx, [CURRENT_TASK]
		3234	.no_who_am_i:
		3235	cmp ecx, max_processes
		3236	ja .nofillbuf
		3237
		3238	; +4: word: position of the window of thread in the window stack
		3239	mov ax, [WIN_STACK + ecx * 2]
		3240	mov [ebx+4], ax
		3241	; +6: word: number of the thread slot, which window has in the window stack
		3242	; position ecx (has no relation to the specific thread)
		3243	mov ax, [WIN_POS + ecx * 2]
		3244	mov [ebx+6], ax
		3245
		3246	shl ecx, 5
		3247
		3248	; +0: dword: memory usage
		3249	mov eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
		3250	mov [ebx], eax
		3251	; +10: 11 bytes: name of the process
		3252	push ecx
		3253	lea eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
		3254	add ebx, 10
		3255	mov ecx, 11
		3256	call memmove
		3257	pop ecx
		3258
		3259	; +22: address of the process in memory
		3260	; +26: size of used memory - 1
		3261	push edi
		3262	lea edi, [ebx+12]
		3263	xor eax, eax
		3264	mov edx, 0x100000*16
		3265	cmp ecx, 1 shl 5
		3266	je .os_mem
		3267	mov edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
		3268	mov eax, std_application_base_address
		3269	.os_mem:
		3270	stosd
		3271	lea eax, [edx-1]
		3272	stosd
		3273
		3274	; +30: PID/TID
		3275	mov eax, [ecx+CURRENT_TASK+TASKDATA.pid]
		3276	stosd
		3277
		3278	; window position and size
		3279	push esi
		3280	lea esi, [ecx + window_data + WDATA.box]
		3281	movsd
		3282	movsd
		3283	movsd
		3284	movsd
		3285
		3286	; Process state (+50)
		3287	mov eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
		3288	stosd
		3289
		3290	; Window client area box
		3291	lea esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
		3292	movsd
		3293	movsd
		3294	movsd
		3295	movsd
		3296
		3297	; Window state
		3298	mov al, [ecx+window_data+WDATA.fl_wstate]
		3299	stosb
		3300
		3301	; Event mask (+71)
		3302	mov EAX, dword [ECX+CURRENT_TASK+TASKDATA.event_mask]
		3303	stosd
		3304
		3305	; Keyboard mode (+75)
		3306	mov al, byte [ecx*8 + SLOT_BASE + APPDATA.keyboard_mode]
		3307	stosb
		3308
		3309	pop esi
		3310	pop edi
		3311
		3312	.nofillbuf:
		3313	; return number of processes
		3314
		3315	mov eax, [TASK_COUNT]
		3316	mov [esp+32], eax
		3317	ret
		3318
		3319	align 4
		3320	sys_clock:
		3321	cli
		3322	; Mikhail Lisovin xx Jan 2005
		3323	@@:
		3324	mov al, 10
		3325	out 0x70, al
		3326	in al, 0x71
		3327	test al, al
		3328	jns @f
		3329	mov esi, 1
		3330	call delay_ms
		3331	jmp @b
		3332	@@:
		3333	; end Lisovin's fix
		3334
		3335	xor al, al ; seconds
		3336	out 0x70, al
		3337	in al, 0x71
		3338	movzx ecx, al
		3339	mov al, 02 ; minutes
		3340	shl ecx, 16
		3341	out 0x70, al
		3342	in al, 0x71
		3343	movzx edx, al
		3344	mov al, 04 ; hours
		3345	shl edx, 8
		3346	out 0x70, al
		3347	in al, 0x71
		3348	add ecx, edx
		3349	movzx edx, al
		3350	add ecx, edx
		3351	sti
		3352	mov [esp + 32], ecx
		3353	ret
		3354
		3355
		3356	align 4
		3357
		3358	sys_date:
		3359
		3360	cli
		3361	@@:
		3362	mov al, 10
		3363	out 0x70, al
		3364	in al, 0x71
		3365	test al, al
		3366	jns @f
		3367	mov esi, 1
		3368	call delay_ms
		3369	jmp @b
		3370	@@:
		3371
		3372	mov ch, 0
		3373	mov al, 7 ; date
		3374	out 0x70, al
		3375	in al, 0x71
		3376	mov cl, al
		3377	mov al, 8 ; month
		3378	shl ecx, 16
		3379	out 0x70, al
		3380	in al, 0x71
		3381	mov ch, al
		3382	mov al, 9 ; year
		3383	out 0x70, al
		3384	in al, 0x71
		3385	mov cl, al
		3386	sti
		3387	mov [esp+32], ecx
		3388	ret
		3389
		3390
		3391	; redraw status
		3392
		3393	sys_redrawstat:
		3394	cmp ebx, 1
		3395	jne no_widgets_away
		3396	; buttons away
		3397	mov ecx, [CURRENT_TASK]
		3398	sys_newba2:
		3399	mov edi, [BTN_ADDR]
		3400	cmp [edi], dword 0 ; empty button list ?
		3401	je end_of_buttons_away
		3402	movzx ebx, word [edi]
		3403	inc ebx
		3404	mov eax, edi
		3405	sys_newba:
		3406	dec ebx
		3407	jz end_of_buttons_away
		3408
		3409	add eax, 0x10
		3410	cmp cx, [eax]
		3411	jnz sys_newba
		3412
		3413	push eax ebx ecx
		3414	mov ecx, ebx
		3415	inc ecx
		3416	shl ecx, 4
		3417	mov ebx, eax
		3418	add eax, 0x10
		3419	call memmove
		3420	dec dword [edi]
		3421	pop ecx ebx eax
		3422
		3423	jmp sys_newba2
		3424
		3425	end_of_buttons_away:
		3426
		3427	ret
		3428
		3429	no_widgets_away:
		3430
		3431	cmp ebx, 2
		3432	jnz srl1
		3433
		3434	mov edx, [TASK_BASE] ; return whole screen draw area for this app
		3435	add edx, draw_data - CURRENT_TASK
		3436	mov [edx + RECT.left], 0
		3437	mov [edx + RECT.top], 0
		3438	mov eax, [Screen_Max_X]
		3439	mov [edx + RECT.right], eax
		3440	mov eax, [Screen_Max_Y]
		3441	mov [edx + RECT.bottom], eax
		3442
		3443	srl1:
		3444	ret
		3445
		3446	;ok - 100% work
		3447	;nt - not tested
		3448	;---------------------------------------------------------------------------------------------
		3449	;eax
		3450	;0 - task switch counter. Ret switch counter in eax. Block. ok.
		3451	;1 - change task. Ret nothing. Block. ok.
		3452	;2 - performance control
		3453	; ebx
		3454	; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
		3455	; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
		3456	; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
		3457	; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
		3458	; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
		3459	;eax
		3460	;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3461	;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3462	;---------------------------------------------------------------------------------------------
		3463	iglobal
		3464	align 4
		3465	sheduler:
		3466	dd sys_sheduler.00
		3467	dd change_task
		3468	dd sys_sheduler.02
		3469	dd sys_sheduler.03
		3470	dd sys_sheduler.04
		3471	endg
		3472	sys_sheduler:
		3473	;rewritten by 29.12.2009
		3474	jmp dword [sheduler+ebx*4]
		3475	;.shed_counter:
		3476	.00:
		3477	mov eax, [context_counter]
		3478	mov [esp+32], eax
		3479	ret
		3480
		3481	.02:
		3482	;.perf_control:
		3483	inc ebx ;before ebx=2, ebx=3
		3484	cmp ebx, ecx ;if ecx=3, ebx=3
		3485	jz cache_disable
		3486
		3487	dec ebx ;ebx=2
		3488	cmp ebx, ecx ;
		3489	jz cache_enable ;if ecx=2 and ebx=2
		3490
		3491	dec ebx ;ebx=1
		3492	cmp ebx, ecx
		3493	jz is_cache_enabled ;if ecx=1 and ebx=1
		3494
		3495	dec ebx
		3496	test ebx, ecx ;ebx=0 and ecx=0
		3497	jz modify_pce ;if ecx=0
		3498
		3499	ret
		3500
		3501	.03:
		3502	;.rdmsr_instr:
		3503	;now counter in ecx
		3504	;(edx:eax) esi:edi => edx:esi
		3505	mov eax, esi
		3506	mov ecx, edx
		3507	rdmsr
		3508	mov [esp+32], eax
		3509	mov [esp+20], edx ;ret in ebx?
		3510	ret
		3511
		3512	.04:
		3513	;.wrmsr_instr:
		3514	;now counter in ecx
		3515	;(edx:eax) esi:edi => edx:esi
		3516	; Fast Call MSR can't be destroy
		3517	; Но MSR_AMD_EFER можно изменять, т.к. в этом регистре лиш
		3518	; включаются/выключаются расширенные возможности
		3519	cmp edx, MSR_SYSENTER_CS
		3520	je @f
		3521	cmp edx, MSR_SYSENTER_ESP
		3522	je @f
		3523	cmp edx, MSR_SYSENTER_EIP
		3524	je @f
		3525	cmp edx, MSR_AMD_STAR
		3526	je @f
		3527
		3528	mov eax, esi
		3529	mov ecx, edx
		3530	wrmsr
		3531	; mov [esp + 32], eax
		3532	; mov [esp + 20], edx ;ret in ebx?
		3533	@@:
		3534	ret
		3535
		3536	cache_disable:
		3537	mov eax, cr0
		3538	or eax, 01100000000000000000000000000000b
		3539	mov cr0, eax
		3540	wbinvd ;set MESI
		3541	ret
		3542
		3543	cache_enable:
		3544	mov eax, cr0
		3545	and eax, 10011111111111111111111111111111b
		3546	mov cr0, eax
		3547	ret
		3548
		3549	is_cache_enabled:
		3550	mov eax, cr0
		3551	mov ebx, eax
		3552	and eax, 01100000000000000000000000000000b
		3553	jz cache_disabled
		3554	mov [esp+32], ebx
		3555	cache_disabled:
		3556	mov dword [esp+32], eax;0
		3557	ret
		3558
		3559	modify_pce:
		3560	mov eax, cr4
		3561	; mov ebx,0
		3562	; or bx,100000000b ;pce
		3563	; xor eax,ebx ;invert pce
		3564	bts eax, 8;pce=cr4[8]
		3565	mov cr4, eax
		3566	mov [esp+32], eax
		3567	ret
		3568	;---------------------------------------------------------------------------------------------
		3569
		3570
		3571	iglobal
		3572	cpustring db 'CPU',0
		3573	endg
		3574
		3575	uglobal
		3576	background_defined db 0 ; diamond, 11.04.2006
		3577	endg
		3578	;-----------------------------------------------------------------------------
		3579	align 4
		3580	checkmisc:
		3581	cmp [ctrl_alt_del], 1
		3582	jne nocpustart
		3583
		3584	mov ebp, cpustring
		3585	call fs_execute_from_sysdir
		3586
		3587	mov [ctrl_alt_del], 0
		3588	;--------------------------------------
		3589	align 4
		3590	nocpustart:
		3591	cmp [mouse_active], 1
		3592	jne mouse_not_active
		3593	mov [mouse_active], 0
		3594
		3595	xor edi, edi
		3596	mov ebx, CURRENT_TASK
		3597
		3598	mov ecx, [TASK_COUNT]
		3599	movzx eax, word [WIN_POS + ecx*2] ; active window
		3600	shl eax, 8
		3601	push eax
		3602
		3603	movzx eax, word [MOUSE_X]
		3604	movzx edx, word [MOUSE_Y]
		3605	;--------------------------------------
		3606	align 4
		3607	.set_mouse_event:
		3608	add edi, 256
		3609	add ebx, 32
		3610	test [ebx+TASKDATA.event_mask], 0x80000000
		3611	jz .pos_filter
		3612
		3613	cmp edi, [esp] ; skip if filtration active
		3614	jne .skip
		3615	;--------------------------------------
		3616	align 4
		3617	.pos_filter:
		3618	test [ebx+TASKDATA.event_mask], 0x40000000
		3619	jz .set
		3620
		3621	mov esi, [ebx-twdw+WDATA.box.left]
		3622	cmp eax, esi
		3623	jb .skip
		3624	add esi, [ebx-twdw+WDATA.box.width]
		3625	cmp eax, esi
		3626	ja .skip
		3627
		3628	mov esi, [ebx-twdw+WDATA.box.top]
		3629	cmp edx, esi
		3630	jb .skip
		3631	add esi, [ebx-twdw+WDATA.box.height]
		3632	cmp edx, esi
		3633	ja .skip
		3634	;--------------------------------------
		3635	align 4
		3636	.set:
		3637	or [edi+SLOT_BASE+APPDATA.event_mask], 100000b ; set event 6
		3638	;--------------------------------------
		3639	align 4
		3640	.skip:
		3641	loop .set_mouse_event
		3642
		3643	pop eax
		3644	;--------------------------------------
		3645	align 4
		3646	mouse_not_active:
		3647	cmp byte[REDRAW_BACKGROUND], 0 ; background update ?
		3648	jz nobackgr
		3649
		3650	cmp [background_defined], 0
		3651	jz nobackgr
		3652	;--------------------------------------
		3653	align 4
		3654	backgr:
		3655	mov eax, [draw_data+32 + RECT.left]
		3656	shl eax, 16
		3657	add eax, [draw_data+32 + RECT.right]
		3658	mov [BG_Rect_X_left_right], eax ; [left]*65536 + [right]
		3659
		3660	mov eax, [draw_data+32 + RECT.top]
		3661	shl eax, 16
		3662	add eax, [draw_data+32 + RECT.bottom]
		3663	mov [BG_Rect_Y_top_bottom], eax ; [top]*65536 + [bottom]
		3664
		3665	call drawbackground
		3666	; DEBUGF 1, "K : drawbackground\n"
		3667	; DEBUGF 1, "K : backg x %x\n",[BG_Rect_X_left_right]
		3668	; DEBUGF 1, "K : backg y %x\n",[BG_Rect_Y_top_bottom]
		3669	;--------- set event 5 start ----------
		3670	push ecx edi
		3671	xor edi, edi
		3672	mov ecx, [TASK_COUNT]
		3673	;--------------------------------------
		3674	align 4
		3675	set_bgr_event:
		3676	add edi, 256
		3677	mov eax, [BG_Rect_X_left_right]
		3678	mov edx, [BG_Rect_Y_top_bottom]
		3679	cmp [edi+SLOT_BASE+APPDATA.draw_bgr_x], 0
		3680	jz .set
		3681	.join:
		3682	cmp word [edi+SLOT_BASE+APPDATA.draw_bgr_x], ax
		3683	jae @f
		3684	mov word [edi+SLOT_BASE+APPDATA.draw_bgr_x], ax
		3685	@@:
		3686	shr eax, 16
		3687	cmp word [edi+SLOT_BASE+APPDATA.draw_bgr_x+2], ax
		3688	jbe @f
		3689	mov word [edi+SLOT_BASE+APPDATA.draw_bgr_x+2], ax
		3690	@@:
		3691	cmp word [edi+SLOT_BASE+APPDATA.draw_bgr_y], dx
		3692	jae @f
		3693	mov word [edi+SLOT_BASE+APPDATA.draw_bgr_y], dx
		3694	@@:
		3695	shr edx, 16
		3696	cmp word [edi+SLOT_BASE+APPDATA.draw_bgr_y+2], dx
		3697	jbe @f
		3698	mov word [edi+SLOT_BASE+APPDATA.draw_bgr_y+2], dx
		3699	@@:
		3700	jmp .common
		3701	.set:
		3702	mov [edi+SLOT_BASE+APPDATA.draw_bgr_x], eax
		3703	mov [edi+SLOT_BASE+APPDATA.draw_bgr_y], edx
		3704	.common:
		3705	or [edi+SLOT_BASE+APPDATA.event_mask], 10000b ; set event 5
		3706	loop set_bgr_event
		3707	pop edi ecx
		3708	;--------- set event 5 stop -----------
		3709	dec byte[REDRAW_BACKGROUND] ; got new update request?
		3710	jnz backgr
		3711
		3712	xor eax, eax
		3713	mov [draw_data+32 + RECT.left], eax
		3714	mov [draw_data+32 + RECT.top], eax
		3715	mov [draw_data+32 + RECT.right], eax
		3716	mov [draw_data+32 + RECT.bottom], eax
		3717	;--------------------------------------
		3718	align 4
		3719	nobackgr:
		3720	; system shutdown request
		3721	cmp [SYS_SHUTDOWN], byte 0
		3722	je noshutdown
		3723
		3724	mov edx, [shutdown_processes]
		3725
		3726	cmp [SYS_SHUTDOWN], dl
		3727	jne noshutdown
		3728
		3729	lea ecx, [edx-1]
		3730	mov edx, OS_BASE+0x3040
		3731	jecxz no_mark_system_shutdown
		3732	;--------------------------------------
		3733	align 4
		3734	markz:
		3735	push ecx edx
		3736	cmp [edx+TASKDATA.state], 9
		3737	jz .nokill
		3738	lea edx, [(edx-(CURRENT_TASK and 1FFFFFFFh))*8+SLOT_BASE]
		3739	cmp [edx+APPDATA.process], sys_proc
		3740	jz .nokill
		3741	call request_terminate
		3742	jmp .common
		3743	.nokill:
		3744	dec byte [SYS_SHUTDOWN]
		3745	xor eax, eax
		3746	.common:
		3747	pop edx ecx
		3748	test eax, eax
		3749	jz @f
		3750	mov [edx+TASKDATA.state], byte 3
		3751	@@:
		3752	add edx, 0x20
		3753	loop markz
		3754	call wakeup_osloop
		3755	;--------------------------------------
		3756	align 4
		3757	@@:
		3758	no_mark_system_shutdown:
		3759	dec byte [SYS_SHUTDOWN]
		3760	je system_shutdown
		3761	;--------------------------------------
		3762	align 4
		3763	noshutdown:
		3764	mov eax, [TASK_COUNT] ; termination
		3765	mov ebx, TASK_DATA+TASKDATA.state
		3766	mov esi, 1
		3767	;--------------------------------------
		3768	align 4
		3769	newct:
		3770	mov cl, [ebx]
		3771	cmp cl, byte 3
		3772	jz .terminate
		3773
		3774	cmp cl, byte 4
		3775	jnz .noterminate
		3776	.terminate:
		3777	pushad
		3778	mov ecx, eax
		3779	shl ecx, 8
		3780	add ecx, SLOT_BASE
		3781	call restore_default_cursor_before_killing
		3782	popad
		3783
		3784	pushad
		3785	call terminate
		3786	popad
		3787	cmp byte [SYS_SHUTDOWN], 0
		3788	jz .noterminate
		3789	dec byte [SYS_SHUTDOWN]
		3790	je system_shutdown
		3791
		3792	.noterminate:
		3793	add ebx, 0x20
		3794	inc esi
		3795	dec eax
		3796	jnz newct
		3797	ret
		3798	;-----------------------------------------------------------------------------
		3799	align 4
		3800	redrawscreen:
		3801	; eax , if process window_data base is eax, do not set flag/limits
		3802
		3803	pushad
		3804	push eax
		3805
		3806	;;; mov ebx,2
		3807	;;; call delay_hs
		3808
		3809	;mov ecx,0 ; redraw flags for apps
		3810	xor ecx, ecx
		3811	;--------------------------------------
		3812	align 4
		3813	newdw2:
		3814	inc ecx
		3815	push ecx
		3816
		3817	mov eax, ecx
		3818	shl eax, 5
		3819	add eax, window_data
		3820
		3821	cmp eax, [esp+4]
		3822	je not_this_task
		3823	; check if window in redraw area
		3824	mov edi, eax
		3825
		3826	cmp ecx, 1 ; limit for background
		3827	jz bgli
		3828
		3829	mov eax, [edi + WDATA.box.left]
		3830	mov ebx, [edi + WDATA.box.top]
		3831
		3832	mov ecx, [draw_limits.bottom] ; ecx = area y end ebx = window y start
		3833	cmp ecx, ebx
		3834	jb ricino
		3835
		3836	mov ecx, [draw_limits.right] ; ecx = area x end eax = window x start
		3837	cmp ecx, eax
		3838	jb ricino
		3839
		3840	mov eax, [edi + WDATA.box.left]
		3841	mov ebx, [edi + WDATA.box.top]
		3842	mov ecx, [edi + WDATA.box.width]
		3843	mov edx, [edi + WDATA.box.height]
		3844	add ecx, eax
		3845	add edx, ebx
		3846
		3847	mov eax, [draw_limits.top] ; eax = area y start edx = window y end
		3848	cmp edx, eax
		3849	jb ricino
		3850
		3851	mov eax, [draw_limits.left] ; eax = area x start ecx = window x end
		3852	cmp ecx, eax
		3853	jb ricino
		3854	;--------------------------------------
		3855	align 4
		3856	bgli:
		3857	cmp dword[esp], 1
		3858	jnz .az
		3859
		3860	cmp byte[REDRAW_BACKGROUND], 0
		3861	jz .az
		3862
		3863	mov dl, 0
		3864	lea eax, [edi+draw_data-window_data]
		3865	mov ebx, [draw_limits.left]
		3866	cmp ebx, [eax+RECT.left]
		3867	jae @f
		3868
		3869	mov [eax+RECT.left], ebx
		3870	mov dl, 1
		3871	;--------------------------------------
		3872	align 4
		3873	@@:
		3874	mov ebx, [draw_limits.top]
		3875	cmp ebx, [eax+RECT.top]
		3876	jae @f
		3877
		3878	mov [eax+RECT.top], ebx
		3879	mov dl, 1
		3880	;--------------------------------------
		3881	align 4
		3882	@@:
		3883	mov ebx, [draw_limits.right]
		3884	cmp ebx, [eax+RECT.right]
		3885	jbe @f
		3886
		3887	mov [eax+RECT.right], ebx
		3888	mov dl, 1
		3889	;--------------------------------------
		3890	align 4
		3891	@@:
		3892	mov ebx, [draw_limits.bottom]
		3893	cmp ebx, [eax+RECT.bottom]
		3894	jbe @f
		3895
		3896	mov [eax+RECT.bottom], ebx
		3897	mov dl, 1
		3898	;--------------------------------------
		3899	align 4
		3900	@@:
		3901	add byte[REDRAW_BACKGROUND], dl
		3902	call wakeup_osloop
		3903	jmp newdw8
		3904	;--------------------------------------
		3905	align 4
		3906	.az:
		3907	mov eax, edi
		3908	add eax, draw_data-window_data
		3909
		3910	mov ebx, [draw_limits.left] ; set limits
		3911	mov [eax + RECT.left], ebx
		3912	mov ebx, [draw_limits.top]
		3913	mov [eax + RECT.top], ebx
		3914	mov ebx, [draw_limits.right]
		3915	mov [eax + RECT.right], ebx
		3916	mov ebx, [draw_limits.bottom]
		3917	mov [eax + RECT.bottom], ebx
		3918
		3919	sub eax, draw_data-window_data
		3920
		3921	cmp dword [esp], 1
		3922	jne nobgrd
		3923	inc byte[REDRAW_BACKGROUND]
		3924	call wakeup_osloop
		3925	;--------------------------------------
		3926	align 4
		3927	newdw8:
		3928	nobgrd:
		3929	;--------------------------------------
		3930	push eax edi ebp
		3931	mov edi, [esp+12]
		3932	cmp edi, 1
		3933	je .found
		3934
		3935	mov eax, [draw_limits.left]
		3936	mov ebx, [draw_limits.top]
		3937	mov ecx, [draw_limits.right]
		3938	sub ecx, eax
		3939	test ecx, ecx
		3940	jz .not_found
		3941
		3942	mov edx, [draw_limits.bottom]
		3943	sub edx, ebx
		3944	test edx, edx
		3945	jz .not_found
		3946
		3947	; eax - x, ebx - y
		3948	; ecx - size x, edx - size y
		3949	add ebx, edx
		3950	;--------------------------------------
		3951	align 4
		3952	.start_y:
		3953	push ecx
		3954	;--------------------------------------
		3955	align 4
		3956	.start_x:
		3957	add eax, ecx
		3958	mov ebp, [d_width_calc_area + ebx*4]
		3959	add ebp, [_WinMapAddress]
		3960	movzx ebp, byte[eax+ebp] ; get value for current point
		3961	cmp ebp, edi
		3962	jne @f
		3963
		3964	pop ecx
		3965	jmp .found
		3966	;--------------------------------------
		3967	align 4
		3968	@@:
		3969	sub eax, ecx
		3970
		3971	dec ecx
		3972	jnz .start_x
		3973
		3974	pop ecx
		3975	dec ebx
		3976	dec edx
		3977	jnz .start_y
		3978	;--------------------------------------
		3979	align 4
		3980	.not_found:
		3981	pop ebp edi eax
		3982	jmp ricino
		3983	;--------------------------------------
		3984	align 4
		3985	.found:
		3986	pop ebp edi eax
		3987
		3988	mov [eax + WDATA.fl_redraw], byte 1 ; mark as redraw
		3989	;--------------------------------------
		3990	align 4
		3991	ricino:
		3992	not_this_task:
		3993	pop ecx
		3994
		3995	cmp ecx, [TASK_COUNT]
		3996	jle newdw2
		3997
		3998	pop eax
		3999	popad
		4000	ret
		4001	;-----------------------------------------------------------------------------
		4002	align 4
		4003	calculatebackground: ; background
		4004	mov edi, [_WinMapAddress] ; set os to use all pixels
		4005	mov eax, 0x01010101
		4006	mov ecx, [_WinMapSize]
		4007	shr ecx, 2
		4008	rep stosd
		4009
		4010	mov byte[REDRAW_BACKGROUND], 0 ; do not draw background!
		4011	ret
		4012	;-----------------------------------------------------------------------------
		4013	uglobal
		4014	imax dd 0x0
		4015	endg
		4016	;-----------------------------------------------------------------------------
		4017	align 4
		4018	delay_ms: ; delay in 1/1000 sec
		4019	push eax
		4020	push ecx
		4021
		4022	mov ecx, esi
		4023	;
		4024	imul ecx, 33941
		4025	shr ecx, 9
		4026	;
		4027
		4028	in al, 0x61
		4029	and al, 0x10
		4030	mov ah, al
		4031	cld
		4032	;--------------------------------------
		4033	align 4
		4034	cnt1:
		4035	in al, 0x61
		4036	and al, 0x10
		4037	cmp al, ah
		4038	jz cnt1
		4039
		4040	mov ah, al
		4041	loop cnt1
		4042
		4043	pop ecx
		4044	pop eax
		4045	ret
		4046	;-----------------------------------------------------------------------------
		4047	align 4
		4048	set_app_param:
		4049	mov edi, [TASK_BASE]
		4050	mov eax, ebx
		4051	btr eax, 3 ; move MOUSE_FILTRATION
		4052	mov ebx, [current_slot] ; bit into event_filter
		4053	setc byte [ebx+APPDATA.event_filter]
		4054	xchg eax, [edi + TASKDATA.event_mask] ; set new event mask
		4055	mov [esp+32], eax ; return old mask value
		4056	ret
		4057	;-----------------------------------------------------------------------------
		4058
		4059	; this is for syscall
		4060	proc delay_hs_unprotected
		4061	call unprotect_from_terminate
		4062	call delay_hs
		4063	call protect_from_terminate
		4064	ret
		4065	endp
		4066
		4067	if 1
		4068	align 4
		4069	delay_hs: ; delay in 1/100 secs
		4070	; ebx = delay time
		4071
		4072	pushad
		4073	push ebx
		4074	xor esi, esi
		4075	mov ecx, MANUAL_DESTROY
		4076	call create_event
		4077	test eax, eax
		4078	jz .done
		4079
		4080	mov ebx, edx
		4081	mov ecx, [esp]
		4082	push edx
		4083	push eax
		4084	call wait_event_timeout
		4085	pop eax
		4086	pop ebx
		4087	call destroy_event
		4088	.done:
		4089	add esp, 4
		4090	popad
		4091	ret
		4092
		4093	else
		4094
		4095	align 4
		4096	delay_hs: ; delay in 1/100 secs
		4097	; ebx = delay time
		4098	push ecx
		4099	push edx
		4100
		4101	mov edx, [timer_ticks]
		4102	;--------------------------------------
		4103	align 4
		4104	newtic:
		4105	mov ecx, [timer_ticks]
		4106	sub ecx, edx
		4107	cmp ecx, ebx
		4108	jae zerodelay
		4109
		4110	call change_task
		4111
		4112	jmp newtic
		4113	;--------------------------------------
		4114	align 4
		4115	zerodelay:
		4116	pop edx
		4117	pop ecx
		4118	ret
		4119	end if
		4120
		4121	;-----------------------------------------------------------------------------
		4122	align 16 ;very often call this subrutine
		4123	memmove: ; memory move in bytes
		4124	; eax = from
		4125	; ebx = to
		4126	; ecx = no of bytes
		4127	test ecx, ecx
		4128	jle .ret
		4129
		4130	push esi edi ecx
		4131
		4132	mov edi, ebx
		4133	mov esi, eax
		4134
		4135	test ecx, not 11b
		4136	jz @f
		4137
		4138	push ecx
		4139	shr ecx, 2
		4140	rep movsd
		4141	pop ecx
		4142	and ecx, 11b
		4143	jz .finish
		4144	;--------------------------------------
		4145	align 4
		4146	@@:
		4147	rep movsb
		4148	;--------------------------------------
		4149	align 4
		4150	.finish:
		4151	pop ecx edi esi
		4152	;--------------------------------------
		4153	align 4
		4154	.ret:
		4155	ret
		4156	;-----------------------------------------------------------------------------
		4157	; Sysfunction 34, read_floppy_file, is obsolete. Use 58 or 70 function instead.
		4158	;align 4
		4159	;
		4160	;read_floppy_file:
		4161	;
		4162	;; as input
		4163	;;
		4164	;; eax pointer to file
		4165	;; ebx file lenght
		4166	;; ecx start 512 byte block number
		4167	;; edx number of blocks to read
		4168	;; esi pointer to return/work area (atleast 20 000 bytes)
		4169	;;
		4170	;;
		4171	;; on return
		4172	;;
		4173	;; eax = 0 command succesful
		4174	;; 1 no fd base and/or partition defined
		4175	;; 2 yet unsupported FS
		4176	;; 3 unknown FS
		4177	;; 4 partition not defined at hd
		4178	;; 5 file not found
		4179	;; ebx = size of file
		4180	;
		4181	; mov edi,[TASK_BASE]
		4182	; add edi,0x10
		4183	; add esi,[edi]
		4184	; add eax,[edi]
		4185	;
		4186	; pushad
		4187	; mov edi,esi
		4188	; add edi,1024
		4189	; mov esi,0x100000+19*512
		4190	; sub ecx,1
		4191	; shl ecx,9
		4192	; add esi,ecx
		4193	; shl edx,9
		4194	; mov ecx,edx
		4195	; cld
		4196	; rep movsb
		4197	; popad
		4198	;
		4199	; mov [esp+36],eax
		4200	; mov [esp+24],ebx
		4201	; ret
		4202
		4203
		4204
		4205	align 4
		4206	set_io_access_rights:
		4207	push edi eax
		4208	mov edi, tss._io_map_0
		4209	; mov ecx,eax
		4210	; and ecx,7 ; offset in byte
		4211	; shr eax,3 ; number of byte
		4212	; add edi,eax
		4213	; mov ebx,1
		4214	; shl ebx,cl
		4215	test ebp, ebp
		4216	; cmp ebp,0 ; enable access - ebp = 0
		4217	jnz .siar1
		4218	; not ebx
		4219	; and [edi],byte bl
		4220	btr [edi], eax
		4221	pop eax edi
		4222	ret
		4223	.siar1:
		4224	bts [edi], eax
		4225	; or [edi],byte bl ; disable access - ebp = 1
		4226	pop eax edi
		4227	ret
		4228	;reserve/free group of ports
		4229	; * eax = 46 - number function
		4230	; * ebx = 0 - reserve, 1 - free
		4231	; * ecx = number start arrea of ports
		4232	; * edx = number end arrea of ports (include last number of port)
		4233	;Return value:
		4234	; * eax = 0 - succesful
		4235	; * eax = 1 - error
		4236	; * The system has reserve this ports:
		4237	; 0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (include last number of port).
		4238	;destroys eax,ebx, ebp
		4239	r_f_port_area:
		4240
		4241	test ebx, ebx
		4242	jnz free_port_area
		4243	; je r_port_area
		4244	; jmp free_port_area
		4245
		4246	; r_port_area:
		4247
		4248	; pushad
		4249
		4250	cmp ecx, edx ; beginning > end ?
		4251	ja rpal1
		4252	cmp edx, 65536
		4253	jae rpal1
		4254	mov eax, [RESERVED_PORTS]
		4255	test eax, eax ; no reserved areas ?
		4256	je rpal2
		4257	cmp eax, 255 ; max reserved
		4258	jae rpal1
		4259	rpal3:
		4260	mov ebx, eax
		4261	shl ebx, 4
		4262	add ebx, RESERVED_PORTS
		4263	cmp ecx, [ebx+8]
		4264	ja rpal4
		4265	cmp edx, [ebx+4]
		4266	jae rpal1
		4267	; jb rpal4
		4268	; jmp rpal1
		4269	rpal4:
		4270	dec eax
		4271	jnz rpal3
		4272	jmp rpal2
		4273	rpal1:
		4274	; popad
		4275	; mov eax,1
		4276	xor eax, eax
		4277	inc eax
		4278	ret
		4279	rpal2:
		4280	; popad
		4281	; enable port access at port IO map
		4282	cli
		4283	pushad ; start enable io map
		4284
		4285	cmp edx, 65536;16384
		4286	jae no_unmask_io; jge
		4287	mov eax, ecx
		4288	; push ebp
		4289	xor ebp, ebp ; enable - eax = port
		4290	new_port_access:
		4291	; pushad
		4292	call set_io_access_rights
		4293	; popad
		4294	inc eax
		4295	cmp eax, edx
		4296	jbe new_port_access
		4297	; pop ebp
		4298	no_unmask_io:
		4299	popad ; end enable io map
		4300	sti
		4301
		4302	mov eax, [RESERVED_PORTS]
		4303	add eax, 1
		4304	mov [RESERVED_PORTS], eax
		4305	shl eax, 4
		4306	add eax, RESERVED_PORTS
		4307	mov ebx, [TASK_BASE]
		4308	mov ebx, [ebx+TASKDATA.pid]
		4309	mov [eax], ebx
		4310	mov [eax+4], ecx
		4311	mov [eax+8], edx
		4312
		4313	xor eax, eax
		4314	ret
		4315
		4316	free_port_area:
		4317
		4318	; pushad
		4319	mov eax, [RESERVED_PORTS]; no reserved areas ?
		4320	test eax, eax
		4321	jz frpal2
		4322	mov ebx, [TASK_BASE]
		4323	mov ebx, [ebx+TASKDATA.pid]
		4324	frpal3:
		4325	mov edi, eax
		4326	shl edi, 4
		4327	add edi, RESERVED_PORTS
		4328	cmp ebx, [edi]
		4329	jne frpal4
		4330	cmp ecx, [edi+4]
		4331	jne frpal4
		4332	cmp edx, [edi+8]
		4333	jne frpal4
		4334	jmp frpal1
		4335	frpal4:
		4336	dec eax
		4337	jnz frpal3
		4338	frpal2:
		4339	; popad
		4340	inc eax
		4341	ret
		4342	frpal1:
		4343	push ecx
		4344	mov ecx, 256
		4345	sub ecx, eax
		4346	shl ecx, 4
		4347	mov esi, edi
		4348	add esi, 16
		4349	cld
		4350	rep movsb
		4351
		4352	dec dword [RESERVED_PORTS]
		4353	;popad
		4354	;disable port access at port IO map
		4355
		4356	; pushad ; start disable io map
		4357	pop eax ;start port
		4358	cmp edx, 65536;16384
		4359	jge no_mask_io
		4360
		4361	; mov eax,ecx
		4362	xor ebp, ebp
		4363	inc ebp
		4364	new_port_access_disable:
		4365	; pushad
		4366	; mov ebp,1 ; disable - eax = port
		4367	call set_io_access_rights
		4368	; popad
		4369	inc eax
		4370	cmp eax, edx
		4371	jbe new_port_access_disable
		4372	no_mask_io:
		4373	; popad ; end disable io map
		4374	xor eax, eax
		4375	ret
		4376	;-----------------------------------------------------------------------------
		4377	align 4
		4378	drawbackground:
		4379	dbrv20:
		4380	cmp [BgrDrawMode], dword 1
		4381	jne bgrstr
		4382	call vesa20_drawbackground_tiled
		4383	; call [draw_pointer]
		4384	call __sys_draw_pointer
		4385	ret
		4386	;--------------------------------------
		4387	align 4
		4388	bgrstr:
		4389	call vesa20_drawbackground_stretch
		4390	; call [draw_pointer]
		4391	call __sys_draw_pointer
		4392	ret
		4393	;-----------------------------------------------------------------------------
		4394	align 4
		4395	syscall_putimage: ; PutImage
		4396	sys_putimage:
		4397	test ecx, 0x80008000
		4398	jnz .exit
		4399	test ecx, 0x0000FFFF
		4400	jz .exit
		4401	test ecx, 0xFFFF0000
		4402	jnz @f
		4403	;--------------------------------------
		4404	align 4
		4405	.exit:
		4406	ret
		4407	;--------------------------------------
		4408	align 4
		4409	@@:
		4410	mov edi, [current_slot]
		4411	add dx, word[edi+APPDATA.wnd_clientbox.top]
		4412	rol edx, 16
		4413	add dx, word[edi+APPDATA.wnd_clientbox.left]
		4414	rol edx, 16
		4415	;--------------------------------------
		4416	align 4
		4417	.forced:
		4418	push ebp esi 0
		4419	mov ebp, putimage_get24bpp
		4420	mov esi, putimage_init24bpp
		4421	;--------------------------------------
		4422	align 4
		4423	sys_putimage_bpp:
		4424	call vesa20_putimage
		4425	pop ebp esi ebp
		4426	ret
		4427	; jmp [draw_pointer]
		4428	;-----------------------------------------------------------------------------
		4429	align 4
		4430	sys_putimage_palette:
		4431	; ebx = pointer to image
		4432	; ecx = [xsize]*65536 + [ysize]
		4433	; edx = [xstart]*65536 + [ystart]
		4434	; esi = number of bits per pixel, must be 8, 24 or 32
		4435	; edi = pointer to palette
		4436	; ebp = row delta
		4437	mov eax, [CURRENT_TASK]
		4438	shl eax, 8
		4439	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
		4440	rol edx, 16
		4441	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
		4442	rol edx, 16
		4443	;--------------------------------------
		4444	align 4
		4445	.forced:
		4446	cmp esi, 1
		4447	jnz @f
		4448	push edi
		4449	mov eax, [edi+4]
		4450	sub eax, [edi]
		4451	push eax
		4452	push dword [edi]
		4453	push 0ffffff80h
		4454	mov edi, esp
		4455	call put_mono_image
		4456	add esp, 12
		4457	pop edi
		4458	ret
		4459	;--------------------------------------
		4460	align 4
		4461	@@:
		4462	cmp esi, 2
		4463	jnz @f
		4464	push edi
		4465	push 0ffffff80h
		4466	mov edi, esp
		4467	call put_2bit_image
		4468	pop eax
		4469	pop edi
		4470	ret
		4471	;--------------------------------------
		4472	align 4
		4473	@@:
		4474	cmp esi, 4
		4475	jnz @f
		4476	push edi
		4477	push 0ffffff80h
		4478	mov edi, esp
		4479	call put_4bit_image
		4480	pop eax
		4481	pop edi
		4482	ret
		4483	;--------------------------------------
		4484	align 4
		4485	@@:
		4486	push ebp esi ebp
		4487	cmp esi, 8
		4488	jnz @f
		4489	mov ebp, putimage_get8bpp
		4490	mov esi, putimage_init8bpp
		4491	jmp sys_putimage_bpp
		4492	;--------------------------------------
		4493	align 4
		4494	@@:
		4495	cmp esi, 9
		4496	jnz @f
		4497	mov ebp, putimage_get9bpp
		4498	mov esi, putimage_init9bpp
		4499	jmp sys_putimage_bpp
		4500	;--------------------------------------
		4501	align 4
		4502	@@:
		4503	cmp esi, 15
		4504	jnz @f
		4505	mov ebp, putimage_get15bpp
		4506	mov esi, putimage_init15bpp
		4507	jmp sys_putimage_bpp
		4508	;--------------------------------------
		4509	align 4
		4510	@@:
		4511	cmp esi, 16
		4512	jnz @f
		4513	mov ebp, putimage_get16bpp
		4514	mov esi, putimage_init16bpp
		4515	jmp sys_putimage_bpp
		4516	;--------------------------------------
		4517	align 4
		4518	@@:
		4519	cmp esi, 24
		4520	jnz @f
		4521	mov ebp, putimage_get24bpp
		4522	mov esi, putimage_init24bpp
		4523	jmp sys_putimage_bpp
		4524	;--------------------------------------
		4525	align 4
		4526	@@:
		4527	cmp esi, 32
		4528	jnz @f
		4529	mov ebp, putimage_get32bpp
		4530	mov esi, putimage_init32bpp
		4531	jmp sys_putimage_bpp
		4532	;--------------------------------------
		4533	align 4
		4534	@@:
		4535	pop ebp esi ebp
		4536	ret
		4537	;-----------------------------------------------------------------------------
		4538	align 4
		4539	put_mono_image:
		4540	push ebp esi ebp
		4541	mov ebp, putimage_get1bpp
		4542	mov esi, putimage_init1bpp
		4543	jmp sys_putimage_bpp
		4544	;-----------------------------------------------------------------------------
		4545	align 4
		4546	put_2bit_image:
		4547	push ebp esi ebp
		4548	mov ebp, putimage_get2bpp
		4549	mov esi, putimage_init2bpp
		4550	jmp sys_putimage_bpp
		4551	;-----------------------------------------------------------------------------
		4552	align 4
		4553	put_4bit_image:
		4554	push ebp esi ebp
		4555	mov ebp, putimage_get4bpp
		4556	mov esi, putimage_init4bpp
		4557	jmp sys_putimage_bpp
		4558	;-----------------------------------------------------------------------------
		4559	align 4
		4560	putimage_init24bpp:
		4561	lea eax, [eax*3]
		4562	putimage_init8bpp:
		4563	putimage_init9bpp:
		4564	ret
		4565	;-----------------------------------------------------------------------------
		4566	align 16
		4567	putimage_get24bpp:
		4568	movzx eax, byte [esi+2]
		4569	shl eax, 16
		4570	mov ax, [esi]
		4571	add esi, 3
		4572	ret 4
		4573	;-----------------------------------------------------------------------------
		4574	align 16
		4575	putimage_get8bpp:
		4576	movzx eax, byte [esi]
		4577	push edx
		4578	mov edx, [esp+8]
		4579	mov eax, [edx+eax*4]
		4580	pop edx
		4581	inc esi
		4582	ret 4
		4583	;-----------------------------------------------------------------------------
		4584	align 16
		4585	putimage_get9bpp:
		4586	lodsb
		4587	mov ah, al
		4588	shl eax, 8
		4589	mov al, ah
		4590	ret 4
		4591	;-----------------------------------------------------------------------------
		4592	align 4
		4593	putimage_init1bpp:
		4594	add eax, ecx
		4595	push ecx
		4596	add eax, 7
		4597	add ecx, 7
		4598	shr eax, 3
		4599	shr ecx, 3
		4600	sub eax, ecx
		4601	pop ecx
		4602	ret
		4603	;-----------------------------------------------------------------------------
		4604	align 16
		4605	putimage_get1bpp:
		4606	push edx
		4607	mov edx, [esp+8]
		4608	mov al, [edx]
		4609	add al, al
		4610	jnz @f
		4611	lodsb
		4612	adc al, al
		4613	@@:
		4614	mov [edx], al
		4615	sbb eax, eax
		4616	and eax, [edx+8]
		4617	add eax, [edx+4]
		4618	pop edx
		4619	ret 4
		4620	;-----------------------------------------------------------------------------
		4621	align 4
		4622	putimage_init2bpp:
		4623	add eax, ecx
		4624	push ecx
		4625	add ecx, 3
		4626	add eax, 3
		4627	shr ecx, 2
		4628	shr eax, 2
		4629	sub eax, ecx
		4630	pop ecx
		4631	ret
		4632	;-----------------------------------------------------------------------------
		4633	align 16
		4634	putimage_get2bpp:
		4635	push edx
		4636	mov edx, [esp+8]
		4637	mov al, [edx]
		4638	mov ah, al
		4639	shr al, 6
		4640	shl ah, 2
		4641	jnz .nonewbyte
		4642	lodsb
		4643	mov ah, al
		4644	shr al, 6
		4645	shl ah, 2
		4646	add ah, 1
		4647	.nonewbyte:
		4648	mov [edx], ah
		4649	mov edx, [edx+4]
		4650	movzx eax, al
		4651	mov eax, [edx+eax*4]
		4652	pop edx
		4653	ret 4
		4654	;-----------------------------------------------------------------------------
		4655	align 4
		4656	putimage_init4bpp:
		4657	add eax, ecx
		4658	push ecx
		4659	add ecx, 1
		4660	add eax, 1
		4661	shr ecx, 1
		4662	shr eax, 1
		4663	sub eax, ecx
		4664	pop ecx
		4665	ret
		4666	;-----------------------------------------------------------------------------
		4667	align 16
		4668	putimage_get4bpp:
		4669	push edx
		4670	mov edx, [esp+8]
		4671	add byte [edx], 80h
		4672	jc @f
		4673	movzx eax, byte [edx+1]
		4674	mov edx, [edx+4]
		4675	and eax, 0x0F
		4676	mov eax, [edx+eax*4]
		4677	pop edx
		4678	ret 4
		4679	@@:
		4680	movzx eax, byte [esi]
		4681	add esi, 1
		4682	mov [edx+1], al
		4683	shr eax, 4
		4684	mov edx, [edx+4]
		4685	mov eax, [edx+eax*4]
		4686	pop edx
		4687	ret 4
		4688	;-----------------------------------------------------------------------------
		4689	align 4
		4690	putimage_init32bpp:
		4691	shl eax, 2
		4692	ret
		4693	;-----------------------------------------------------------------------------
		4694	align 16
		4695	putimage_get32bpp:
		4696	lodsd
		4697	ret 4
		4698	;-----------------------------------------------------------------------------
		4699	align 4
		4700	putimage_init15bpp:
		4701	putimage_init16bpp:
		4702	add eax, eax
		4703	ret
		4704	;-----------------------------------------------------------------------------
		4705	align 16
		4706	putimage_get15bpp:
		4707	; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000
		4708	push ecx edx
		4709	movzx eax, word [esi]
		4710	add esi, 2
		4711	mov ecx, eax
		4712	mov edx, eax
		4713	and eax, 0x1F
		4714	and ecx, 0x1F shl 5
		4715	and edx, 0x1F shl 10
		4716	shl eax, 3
		4717	shl ecx, 6
		4718	shl edx, 9
		4719	or eax, ecx
		4720	or eax, edx
		4721	pop edx ecx
		4722	ret 4
		4723	;-----------------------------------------------------------------------------
		4724	align 16
		4725	putimage_get16bpp:
		4726	; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000
		4727	push ecx edx
		4728	movzx eax, word [esi]
		4729	add esi, 2
		4730	mov ecx, eax
		4731	mov edx, eax
		4732	and eax, 0x1F
		4733	and ecx, 0x3F shl 5
		4734	and edx, 0x1F shl 11
		4735	shl eax, 3
		4736	shl ecx, 5
		4737	shl edx, 8
		4738	or eax, ecx
		4739	or eax, edx
		4740	pop edx ecx
		4741	ret 4
		4742	;-----------------------------------------------------------------------------
		4743	;align 4
		4744	; eax x beginning
		4745	; ebx y beginning
		4746	; ecx x end
		4747	; edx y end
		4748	; edi color
		4749	;__sys_drawbar:
		4750	; mov esi, [current_slot]
		4751	; add eax, [esi+APPDATA.wnd_clientbox.left]
		4752	; add ecx, [esi+APPDATA.wnd_clientbox.left]
		4753	; add ebx, [esi+APPDATA.wnd_clientbox.top]
		4754	; add edx, [esi+APPDATA.wnd_clientbox.top]
		4755	;--------------------------------------
		4756	;align 4
		4757	;.forced:
		4758	; call vesa20_drawbar
		4759	; call [draw_pointer]
		4760	; ret
		4761	;-----------------------------------------------------------------------------
		4762	align 4
		4763	kb_read:
		4764
		4765	push ecx edx
		4766
		4767	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4768	kr_loop:
		4769	in al, 0x64
		4770	test al, 1
		4771	jnz kr_ready
		4772	loop kr_loop
		4773	mov ah, 1
		4774	jmp kr_exit
		4775	kr_ready:
		4776	push ecx
		4777	mov ecx, 32
		4778	kr_delay:
		4779	loop kr_delay
		4780	pop ecx
		4781	in al, 0x60
		4782	xor ah, ah
		4783	kr_exit:
		4784
		4785	pop edx ecx
		4786
		4787	ret
		4788	;-----------------------------------------------------------------------------
		4789	align 4
		4790	kb_write:
		4791
		4792	push ecx edx
		4793
		4794	mov dl, al
		4795	; mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
		4796	; kw_loop1:
		4797	; in al,0x64
		4798	; test al,0x20
		4799	; jz kw_ok1
		4800	; loop kw_loop1
		4801	; mov ah,1
		4802	; jmp kw_exit
		4803	; kw_ok1:
		4804	in al, 0x60
		4805	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4806	kw_loop:
		4807	in al, 0x64
		4808	test al, 2
		4809	jz kw_ok
		4810	loop kw_loop
		4811	mov ah, 1
		4812	jmp kw_exit
		4813	kw_ok:
		4814	mov al, dl
		4815	out 0x60, al
		4816	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4817	kw_loop3:
		4818	in al, 0x64
		4819	test al, 2
		4820	jz kw_ok3
		4821	loop kw_loop3
		4822	mov ah, 1
		4823	jmp kw_exit
		4824	kw_ok3:
		4825	mov ah, 8
		4826	kw_loop4:
		4827	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4828	kw_loop5:
		4829	in al, 0x64
		4830	test al, 1
		4831	jnz kw_ok4
		4832	loop kw_loop5
		4833	dec ah
		4834	jnz kw_loop4
		4835	kw_ok4:
		4836	xor ah, ah
		4837	kw_exit:
		4838
		4839	pop edx ecx
		4840
		4841	ret
		4842	;-----------------------------------------------------------------------------
		4843	align 4
		4844	kb_cmd:
		4845
		4846	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4847	c_wait:
		4848	in al, 0x64
		4849	test al, 2
		4850	jz c_send
		4851	loop c_wait
		4852	jmp c_error
		4853	c_send:
		4854	mov al, bl
		4855	out 0x64, al
		4856	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4857	c_accept:
		4858	in al, 0x64
		4859	test al, 2
		4860	jz c_ok
		4861	loop c_accept
		4862	c_error:
		4863	mov ah, 1
		4864	jmp c_exit
		4865	c_ok:
		4866	xor ah, ah
		4867	c_exit:
		4868	ret
		4869
		4870
		4871	setmouse: ; set mousepicture -pointer
		4872	; ps2 mouse enable
		4873
		4874	; mov [MOUSE_PICTURE], dword mousepointer
		4875
		4876	cli
		4877
		4878	ret
		4879
		4880	if used _rdtsc
		4881	_rdtsc:
		4882	bt [cpu_caps], CAPS_TSC
		4883	jnc ret_rdtsc
		4884	rdtsc
		4885	ret
		4886	ret_rdtsc:
		4887	mov edx, 0xffffffff
		4888	mov eax, 0xffffffff
		4889	ret
		4890	end if
		4891
		4892	sys_msg_board_str:
		4893
		4894	pushad
		4895	@@:
		4896	cmp [esi], byte 0
		4897	je @f
		4898	mov ebx, 1
		4899	movzx ecx, byte [esi]
		4900	call sys_msg_board
		4901	inc esi
		4902	jmp @b
		4903	@@:
		4904	popad
		4905	ret
		4906
		4907	sys_msg_board_byte:
		4908	; in: al = byte to display
		4909	; out: nothing
		4910	; destroys: nothing
		4911	pushad
		4912	mov ecx, 2
		4913	shl eax, 24
		4914	jmp @f
		4915
		4916	sys_msg_board_word:
		4917	; in: ax = word to display
		4918	; out: nothing
		4919	; destroys: nothing
		4920	pushad
		4921	mov ecx, 4
		4922	shl eax, 16
		4923	jmp @f
		4924
		4925	sys_msg_board_dword:
		4926	; in: eax = dword to display
		4927	; out: nothing
		4928	; destroys: nothing
		4929	pushad
		4930	mov ecx, 8
		4931	@@:
		4932	push ecx
		4933	rol eax, 4
		4934	push eax
		4935	and al, 0xF
		4936	cmp al, 10
		4937	sbb al, 69h
		4938	das
		4939	mov cl, al
		4940	xor ebx, ebx
		4941	inc ebx
		4942	call sys_msg_board
		4943	pop eax
		4944	pop ecx
		4945	loop @b
		4946	popad
		4947	ret
		4948
		4949	msg_board_data_size = 65536 ; Must be power of two
		4950
		4951	uglobal
		4952	msg_board_data rb msg_board_data_size
		4953	msg_board_count dd 0x0
		4954	endg
		4955
		4956	sys_msg_board:
		4957
		4958	; ebx=1 : write : bl byte to write
		4959	; ebx=2 : read : ebx=0 -> no data, ebx=1 -> data in al
		4960
		4961	push eax ebx ; Save eax and ebx, since we're restoring their order required.
		4962	mov eax, ebx
		4963	mov ebx, ecx
		4964
		4965	mov ecx, [msg_board_count]
		4966	cmp eax, 1
		4967	jne .smbl1
		4968
		4969	if defined debug_com_base
		4970
		4971	push dx ax
		4972
		4973	@@: ; Wait for empty transmit register (yes, this slows down system..)
		4974	mov dx, debug_com_base+5
		4975	in al, dx
		4976	test al, 1 shl 5
		4977	jz @r
		4978
		4979	mov dx, debug_com_base ; Output the byte
		4980	mov al, bl
		4981	out dx, al
		4982
		4983	pop ax dx
		4984
		4985	end if
		4986
		4987	mov [msg_board_data+ecx], bl
		4988	; // if debug_direct_print == 1
		4989	cmp byte [debug_direct_print], 1
		4990	jnz @f
		4991	pusha
		4992	iglobal
		4993	msg_board_pos dd (426)65536+10 ; for printing debug output on the screen
		4994	endg
		4995	lea edx, [msg_board_data+ecx]
		4996	mov ecx, 0x40FFFFFF
		4997	mov ebx, [msg_board_pos]
		4998	mov edi, 1
		4999	mov esi, 1
		5000	call dtext
		5001	popa
		5002	add word [msg_board_pos+2], 6
		5003	cmp bl, 10
		5004	jnz @f
		5005	mov word [msg_board_pos+2], (42*6)
		5006	add word [msg_board_pos], 10
		5007	mov ax, word [Screen_Max_Y]
		5008	cmp word [msg_board_pos], ax
		5009	jbe @f
		5010	mov word [msg_board_pos], 10
		5011	@@:
		5012	; // end if
		5013
		5014	if 0
		5015	pusha
		5016	mov al, bl
		5017	mov edx, 402h
		5018	out dx, al
		5019	popa
		5020	end if
		5021	inc ecx
		5022	and ecx, msg_board_data_size - 1
		5023	mov [msg_board_count], ecx
		5024
		5025	pop ebx eax
		5026	ret
		5027	.smbl1:
		5028	cmp eax, 2
		5029	jne .smbl2
		5030	test ecx, ecx
		5031	jz .smbl21
		5032
		5033	add esp, 8 ; Returning data in ebx and eax, so no need to restore them.
		5034	mov eax, msg_board_data+1
		5035	mov ebx, msg_board_data
		5036	movzx edx, byte [ebx]
		5037	call memmove
		5038	dec [msg_board_count]
		5039	mov [esp + 32], edx ;eax
		5040	mov [esp + 20], dword 1
		5041	ret
		5042	.smbl21:
		5043	mov [esp+32], ecx
		5044	mov [esp+20], ecx
		5045	.smbl2:
		5046	pop ebx eax
		5047	ret
		5048
		5049	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		5050	;; 66 sys function. ;;
		5051	;; in eax=66,ebx in [0..5],ecx,edx ;;
		5052	;; out eax ;;
		5053	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		5054	iglobal
		5055	align 4
		5056	f66call:
		5057	dd sys_process_def.1 ; 1 = set keyboard mode
		5058	dd sys_process_def.2 ; 2 = get keyboard mode
		5059	dd sys_process_def.3 ; 3 = get keyboard ctrl, alt, shift
		5060	dd sys_process_def.4 ; 4 = set system-wide hotkey
		5061	dd sys_process_def.5 ; 5 = delete installed hotkey
		5062	dd sys_process_def.6 ; 6 = disable input, work only hotkeys
		5063	dd sys_process_def.7 ; 7 = enable input, opposition to f.66.6
		5064	endg
		5065	;-----------------------------------------------------------------------------
		5066	align 4
		5067	sys_process_def:
		5068	dec ebx
		5069	cmp ebx, 7
		5070	jae .not_support ;if >=8 then or eax,-1
		5071
		5072	mov edi, [CURRENT_TASK]
		5073	jmp dword [f66call+ebx*4]
		5074
		5075	.not_support:
		5076	or eax, -1
		5077	ret
		5078	;-----------------------------------------------------------------------------
		5079	align 4
		5080	.1:
		5081	shl edi, 8
		5082	mov [edi+SLOT_BASE + APPDATA.keyboard_mode], cl
		5083
		5084	ret
		5085	;-----------------------------------------------------------------------------
		5086	align 4
		5087	.2: ; 2 = get keyboard mode
		5088	shl edi, 8
		5089	movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
		5090	mov [esp+32], eax
		5091	ret
		5092	;-----------------------------------------------------------------------------
		5093	align 4
		5094	.3: ;3 = get keyboard ctrl, alt, shift
		5095	mov eax, [kb_state]
		5096	mov [esp+32], eax
		5097	ret
		5098	;-----------------------------------------------------------------------------
		5099	align 4
		5100	.4:
		5101	mov eax, hotkey_list
		5102	@@:
		5103	cmp dword [eax+8], 0
		5104	jz .found_free
		5105	add eax, 16
		5106	cmp eax, hotkey_list+16*256
		5107	jb @b
		5108	mov dword [esp+32], 1
		5109	ret
		5110	.found_free:
		5111	mov [eax+8], edi
		5112	mov [eax+4], edx
		5113	movzx ecx, cl
		5114	lea ecx, [hotkey_scancodes+ecx*4]
		5115	mov edx, [ecx]
		5116	mov [eax], edx
		5117	mov [ecx], eax
		5118	mov [eax+12], ecx
		5119	test edx, edx
		5120	jz @f
		5121	mov [edx+12], eax
		5122	@@:
		5123	and dword [esp+32], 0
		5124	ret
		5125	;-----------------------------------------------------------------------------
		5126	align 4
		5127	.5:
		5128	movzx ebx, cl
		5129	lea ebx, [hotkey_scancodes+ebx*4]
		5130	mov eax, [ebx]
		5131	.scan:
		5132	test eax, eax
		5133	jz .notfound
		5134	cmp [eax+8], edi
		5135	jnz .next
		5136	cmp [eax+4], edx
		5137	jz .found
		5138	.next:
		5139	mov eax, [eax]
		5140	jmp .scan
		5141	.notfound:
		5142	mov dword [esp+32], 1
		5143	ret
		5144	.found:
		5145	mov ecx, [eax]
		5146	jecxz @f
		5147	mov edx, [eax+12]
		5148	mov [ecx+12], edx
		5149	@@:
		5150	mov ecx, [eax+12]
		5151	mov edx, [eax]
		5152	mov [ecx], edx
		5153	xor edx, edx
		5154	mov [eax+4], edx
		5155	mov [eax+8], edx
		5156	mov [eax+12], edx
		5157	mov [eax], edx
		5158	mov [esp+32], edx
		5159	ret
		5160	;-----------------------------------------------------------------------------
		5161	align 4
		5162	.6:
		5163	pushfd
		5164	cli
		5165	mov eax, [PID_lock_input]
		5166	test eax, eax
		5167	jnz @f
		5168	; get current PID
		5169	mov eax, [CURRENT_TASK]
		5170	shl eax, 5
		5171	mov eax, [eax+CURRENT_TASK+TASKDATA.pid]
		5172	; set current PID for lock input
		5173	mov [PID_lock_input], eax
		5174	@@:
		5175	popfd
		5176	ret
		5177	;-----------------------------------------------------------------------------
		5178	align 4
		5179	.7:
		5180	mov eax, [PID_lock_input]
		5181	test eax, eax
		5182	jz @f
		5183	; get current PID
		5184	mov ebx, [CURRENT_TASK]
		5185	shl ebx, 5
		5186	mov ebx, [ebx+CURRENT_TASK+TASKDATA.pid]
		5187	; compare current lock input with current PID
		5188	cmp ebx, eax
		5189	jne @f
		5190
		5191	xor eax, eax
		5192	mov [PID_lock_input], eax
		5193	@@:
		5194	ret
		5195	;-----------------------------------------------------------------------------
		5196	uglobal
		5197	PID_lock_input dd 0x0
		5198	endg
		5199	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		5200	;; 61 sys function. ;;
		5201	;; in eax=61,ebx in [1..3] ;;
		5202	;; out eax ;;
		5203	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		5204	iglobal
		5205	align 4
		5206	f61call:
		5207	dd sys_gs.1 ; resolution
		5208	dd sys_gs.2 ; bits per pixel
		5209	dd sys_gs.3 ; bytes per scanline
		5210	endg
		5211
		5212
		5213	align 4
		5214
		5215	sys_gs: ; direct screen access
		5216	dec ebx
		5217	cmp ebx, 2
		5218	ja .not_support
		5219	jmp dword [f61call+ebx*4]
		5220	.not_support:
		5221	or [esp+32], dword -1
		5222	ret
		5223
		5224
		5225	.1: ; resolution
		5226	mov eax, [Screen_Max_X]
		5227	shl eax, 16
		5228	mov ax, word [Screen_Max_Y]
		5229	add eax, 0x00010001
		5230	mov [esp+32], eax
		5231	ret
		5232	.2: ; bits per pixel
		5233	mov eax, [_display.bpp]
		5234	mov [esp+32], eax
		5235	ret
		5236	.3: ; bytes per scanline
		5237	mov eax, [_display.pitch]
		5238	mov [esp+32], eax
		5239	ret
		5240
		5241	align 4 ; system functions
		5242
		5243	syscall_setpixel: ; SetPixel
		5244
		5245	mov eax, ebx
		5246	mov ebx, ecx
		5247	mov ecx, edx
		5248	mov edx, [TASK_BASE]
		5249	add eax, [edx-twdw+WDATA.box.left]
		5250	add ebx, [edx-twdw+WDATA.box.top]
		5251	mov edi, [current_slot]
		5252	add eax, [edi+APPDATA.wnd_clientbox.left]
		5253	add ebx, [edi+APPDATA.wnd_clientbox.top]
		5254	xor edi, edi ; no force
		5255	and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
		5256	; jmp [putpixel]
		5257	jmp __sys_putpixel
		5258
		5259	align 4
		5260
		5261	syscall_writetext: ; WriteText
		5262
		5263	mov eax, [TASK_BASE]
		5264	mov ebp, [eax-twdw+WDATA.box.left]
		5265	push esi
		5266	mov esi, [current_slot]
		5267	add ebp, [esi+APPDATA.wnd_clientbox.left]
		5268	shl ebp, 16
		5269	add ebp, [eax-twdw+WDATA.box.top]
		5270	add bp, word[esi+APPDATA.wnd_clientbox.top]
		5271	pop esi
		5272	test ecx, 0x08000000 ; redirect the output to the user area
		5273	jnz @f
		5274	add ebx, ebp
		5275	align 4
		5276	@@:
		5277	mov eax, edi
		5278	test ecx, 0x08000000 ; redirect the output to the user area
		5279	jnz dtext
		5280	xor edi, edi
		5281	jmp dtext
		5282
		5283	align 4
		5284
		5285	syscall_drawrect: ; DrawRect
		5286
		5287	mov edi, edx ; color + gradient
		5288	and edi, 0x80FFFFFF
		5289	test bx, bx ; x.size
		5290	je .drectr
		5291	test cx, cx ; y.size
		5292	je .drectr
		5293
		5294	mov eax, ebx ; bad idea
		5295	mov ebx, ecx
		5296
		5297	movzx ecx, ax ; ecx - x.size
		5298	shr eax, 16 ; eax - x.coord
		5299	movzx edx, bx ; edx - y.size
		5300	shr ebx, 16 ; ebx - y.coord
		5301	mov esi, [current_slot]
		5302
		5303	add eax, [esi + APPDATA.wnd_clientbox.left]
		5304	add ebx, [esi + APPDATA.wnd_clientbox.top]
		5305	add ecx, eax
		5306	add edx, ebx
		5307	; jmp [drawbar]
		5308	jmp vesa20_drawbar
		5309	.drectr:
		5310	ret
		5311
		5312	align 4
		5313	syscall_getscreensize: ; GetScreenSize
		5314	mov ax, word [Screen_Max_X]
		5315	shl eax, 16
		5316	mov ax, word [Screen_Max_Y]
		5317	mov [esp + 32], eax
		5318	ret
		5319
		5320	align 4
		5321
		5322	syscall_cdaudio: ; CD
		5323
		5324	cmp ebx, 4
		5325	jb .audio
		5326	jz .eject
		5327	cmp ebx, 5
		5328	jnz .ret
		5329	.load:
		5330	call .reserve
		5331	call LoadMedium
		5332	;call .free
		5333	jmp .free
		5334	; ret
		5335	.eject:
		5336	call .reserve
		5337	call clear_CD_cache
		5338	call allow_medium_removal
		5339	call EjectMedium
		5340	; call .free
		5341	jmp .free
		5342	; ret
		5343	.audio:
		5344	call sys_cd_audio
		5345	mov [esp+36-4], eax
		5346	.ret:
		5347	ret
		5348
		5349	.reserve:
		5350	call reserve_cd
		5351	mov eax, ecx
		5352	shr eax, 1
		5353	and eax, 1
		5354	inc eax
		5355	mov [ChannelNumber], ax
		5356	mov eax, ecx
		5357	and eax, 1
		5358	mov [DiskNumber], al
		5359	call reserve_cd_channel
		5360	and ebx, 3
		5361	inc ebx
		5362	mov [cdpos], ebx
		5363	add ebx, ebx
		5364	mov cl, 8
		5365	sub cl, bl
		5366	mov al, [DRIVE_DATA+1]
		5367	shr al, cl
		5368	test al, 2
		5369	jz .free;.err
		5370	ret
		5371	.free:
		5372	call free_cd_channel
		5373	and [cd_status], 0
		5374	ret
		5375	.err:
		5376	call .free
		5377	; pop eax
		5378	ret
		5379	;-----------------------------------------------------------------------------
		5380	align 4
		5381	syscall_getpixel_WinMap: ; GetPixel WinMap
		5382	cmp ebx, [Screen_Max_X]
		5383	jbe @f
		5384	cmp ecx, [Screen_Max_Y]
		5385	jbe @f
		5386	xor eax, eax
		5387	jmp .store
		5388	;--------------------------------------
		5389	align 4
		5390	@@:
		5391	mov eax, [d_width_calc_area + ecx*4]
		5392	add eax, [_WinMapAddress]
		5393	movzx eax, byte[eax+ebx] ; get value for current point
		5394	;--------------------------------------
		5395	align 4
		5396	.store:
		5397	mov [esp + 32], eax
		5398	ret
		5399	;-----------------------------------------------------------------------------
		5400	align 4
		5401	syscall_getpixel: ; GetPixel
		5402	mov ecx, [Screen_Max_X]
		5403	inc ecx
		5404	xor edx, edx
		5405	mov eax, ebx
		5406	div ecx
		5407	mov ebx, edx
		5408	xchg eax, ebx
		5409	and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area
		5410	call dword [GETPIXEL]; eax - x, ebx - y
		5411	mov [esp + 32], ecx
		5412	ret
		5413	;-----------------------------------------------------------------------------
		5414	align 4
		5415	syscall_getarea:
		5416	;eax = 36
		5417	;ebx = pointer to bufer for img BBGGRRBBGGRR...
		5418	;ecx = [size x]*65536 + [size y]
		5419	;edx = [start x]*65536 + [start y]
		5420	pushad
		5421	mov edi, ebx
		5422	mov eax, edx
		5423	shr eax, 16
		5424	mov ebx, edx
		5425	and ebx, 0xffff
		5426	dec eax
		5427	dec ebx
		5428	; eax - x, ebx - y
		5429	mov edx, ecx
		5430
		5431	shr ecx, 16
		5432	and edx, 0xffff
		5433	mov esi, ecx
		5434	; ecx - size x, edx - size y
		5435
		5436	mov ebp, edx
		5437	dec ebp
		5438	lea ebp, [ebp*3]
		5439
		5440	imul ebp, esi
		5441
		5442	mov esi, ecx
		5443	dec esi
		5444	lea esi, [esi*3]
		5445
		5446	add ebp, esi
		5447	add ebp, edi
		5448
		5449	add ebx, edx
		5450	;--------------------------------------
		5451	align 4
		5452	.start_y:
		5453	push ecx edx
		5454	;--------------------------------------
		5455	align 4
		5456	.start_x:
		5457	push eax ebx ecx
		5458	add eax, ecx
		5459
		5460	and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area
		5461	call dword [GETPIXEL]; eax - x, ebx - y
		5462
		5463	mov [ebp], cx
		5464	shr ecx, 16
		5465	mov [ebp+2], cl
		5466
		5467	pop ecx ebx eax
		5468	sub ebp, 3
		5469	dec ecx
		5470	jnz .start_x
		5471	pop edx ecx
		5472	dec ebx
		5473	dec edx
		5474	jnz .start_y
		5475	popad
		5476	ret
		5477	;-----------------------------------------------------------------------------
		5478	align 4
		5479	syscall_putarea_backgr:
		5480	;eax = 25
		5481	;ebx = pointer to bufer for img BBGGRRBBGGRR...
		5482	;ecx = [size x]*65536 + [size y]
		5483	;edx = [start x]*65536 + [start y]
		5484	pushad
		5485	mov edi, ebx
		5486	mov eax, edx
		5487	shr eax, 16
		5488	mov ebx, edx
		5489	and ebx, 0xffff
		5490	dec eax
		5491	dec ebx
		5492	; eax - x, ebx - y
		5493	mov edx, ecx
		5494	shr ecx, 16
		5495	and edx, 0xffff
		5496	mov esi, ecx
		5497	; ecx - size x, edx - size y
		5498	mov ebp, edx
		5499	dec ebp
		5500	shl ebp, 2
		5501
		5502	imul ebp, esi
		5503
		5504	mov esi, ecx
		5505	dec esi
		5506	shl esi, 2
		5507
		5508	add ebp, esi
		5509	add ebp, edi
		5510
		5511	add ebx, edx
		5512	;--------------------------------------
		5513	align 4
		5514	.start_y:
		5515	push ecx edx
		5516	;--------------------------------------
		5517	align 4
		5518	.start_x:
		5519	push eax ecx
		5520	add eax, ecx
		5521
		5522	mov ecx, [ebp]
		5523	rol ecx, 8
		5524	test cl, cl ; transparensy = 0
		5525	jz .no_put
		5526
		5527	xor cl, cl
		5528	ror ecx, 8
		5529
		5530	pushad
		5531	mov edx, [d_width_calc_area + ebx*4]
		5532	add edx, [_WinMapAddress]
		5533	movzx edx, byte [eax+edx]
		5534	cmp dl, byte 1
		5535	jne @f
		5536
		5537	call dword [PUTPIXEL]; eax - x, ebx - y
		5538	;--------------------------------------
		5539	align 4
		5540	@@:
		5541	popad
		5542	;--------------------------------------
		5543	align 4
		5544	.no_put:
		5545	pop ecx eax
		5546
		5547	sub ebp, 4
		5548	dec ecx
		5549	jnz .start_x
		5550
		5551	pop edx ecx
		5552	dec ebx
		5553	dec edx
		5554	jnz .start_y
		5555
		5556	popad
		5557	ret
		5558	;-----------------------------------------------------------------------------
		5559	align 4
		5560	syscall_drawline: ; DrawLine
		5561
		5562	mov edi, [TASK_BASE]
		5563	movzx eax, word[edi-twdw+WDATA.box.left]
		5564	mov ebp, eax
		5565	mov esi, [current_slot]
		5566	add ebp, [esi+APPDATA.wnd_clientbox.left]
		5567	add ax, word[esi+APPDATA.wnd_clientbox.left]
		5568	add ebp, ebx
		5569	shl eax, 16
		5570	movzx ebx, word[edi-twdw+WDATA.box.top]
		5571	add eax, ebp
		5572	mov ebp, ebx
		5573	add ebp, [esi+APPDATA.wnd_clientbox.top]
		5574	add bx, word[esi+APPDATA.wnd_clientbox.top]
		5575	add ebp, ecx
		5576	shl ebx, 16
		5577	xor edi, edi
		5578	add ebx, ebp
		5579	mov ecx, edx
		5580	; jmp [draw_line]
		5581	jmp __sys_draw_line
		5582
		5583
		5584	align 4
		5585	syscall_reserveportarea: ; ReservePortArea and FreePortArea
		5586
		5587	call r_f_port_area
		5588	mov [esp+32], eax
		5589	ret
		5590
		5591	align 4
		5592	syscall_threads: ; CreateThreads
		5593	;
		5594	; ecx=thread entry point
		5595	; edx=thread stack pointer
		5596	;
		5597	; on return : eax = pid
		5598
		5599	xor ebx, ebx
		5600	call new_sys_threads
		5601
		5602	mov [esp+32], eax
		5603	ret
		5604
		5605	align 4
		5606
		5607	paleholder:
		5608	ret
		5609	;------------------------------------------------------------------------------
		5610	align 4
		5611	calculate_fast_getting_offset_for_WinMapAddress:
		5612	; calculate data area for fast getting offset to _WinMapAddress
		5613	xor eax, eax
		5614	mov ecx, [_display.height]
		5615	mov edi, d_width_calc_area
		5616	cld
		5617	@@:
		5618	stosd
		5619	add eax, [_display.width]
		5620	dec ecx
		5621	jnz @r
		5622	ret
		5623	;------------------------------------------------------------------------------
		5624	align 4
		5625	calculate_fast_getting_offset_for_LFB:
		5626	; calculate data area for fast getting offset to LFB
		5627	xor eax, eax
		5628	mov ecx, [_display.height]
		5629	mov edi, BPSLine_calc_area
		5630	cld
		5631	@@:
		5632	stosd
		5633	add eax, [_display.pitch]
		5634	dec ecx
		5635	jnz @r
		5636	ret
		5637	;------------------------------------------------------------------------------
		5638	align 4
		5639	set_screen:
		5640	; in:
		5641	; eax - new Screen_Max_X
		5642	; ecx - new BytesPerScanLine
		5643	; edx - new Screen_Max_Y
		5644
		5645	pushfd
		5646	cli
		5647
		5648	mov [Screen_Max_X], eax
		5649	mov [Screen_Max_Y], edx
		5650	mov [_display.pitch], ecx
		5651
		5652	mov [screen_workarea.right], eax
		5653	mov [screen_workarea.bottom], edx
		5654
		5655	push ebx
		5656	push esi
		5657	push edi
		5658
		5659	pushad
		5660
		5661	cmp [do_not_touch_winmap], 1
		5662	je @f
		5663
		5664	stdcall kernel_free, [_WinMapAddress]
		5665
		5666	mov eax, [_display.width]
		5667	mul [_display.height]
		5668	mov [_WinMapSize], eax
		5669
		5670	stdcall kernel_alloc, eax
		5671	mov [_WinMapAddress], eax
		5672	test eax, eax
		5673	jz .epic_fail
		5674	; store for f.18.24
		5675	mov eax, [_display.width]
		5676	mov [display_width_standard], eax
		5677
		5678	mov eax, [_display.height]
		5679	mov [display_height_standard], eax
		5680	@@:
		5681	call calculate_fast_getting_offset_for_WinMapAddress
		5682	; for Qemu or non standart video cards
		5683	; Unfortunately [BytesPerScanLine] does not always
		5684	; equal to [_display.width] * [ScreenBPP] / 8
		5685	call calculate_fast_getting_offset_for_LFB
		5686	popad
		5687
		5688	call repos_windows
		5689	xor eax, eax
		5690	xor ebx, ebx
		5691	mov ecx, [Screen_Max_X]
		5692	mov edx, [Screen_Max_Y]
		5693	call calculatescreen
		5694	pop edi
		5695	pop esi
		5696	pop ebx
		5697
		5698	popfd
		5699	ret
		5700
		5701	.epic_fail:
		5702	hlt ; Houston, we've had a problem
		5703
		5704	; --------------- APM ---------------------
		5705	uglobal
		5706	apm_entry dp 0
		5707	apm_vf dd 0
		5708	endg
		5709
		5710	align 4
		5711	sys_apm:
		5712	xor eax, eax
		5713	cmp word [apm_vf], ax ; Check APM BIOS enable
		5714	jne @f
		5715	inc eax
		5716	or dword [esp + 44], eax ; error
		5717	add eax, 7
		5718	mov dword [esp + 32], eax ; 32-bit protected-mode interface not supported
		5719	ret
		5720
		5721	@@:
		5722	; xchg eax, ecx
		5723	; xchg ebx, ecx
		5724
		5725	cmp dx, 3
		5726	ja @f
		5727	and [esp + 44], byte 0xfe ; emulate func 0..3 as func 0
		5728	mov eax, [apm_vf]
		5729	mov [esp + 32], eax
		5730	shr eax, 16
		5731	mov [esp + 28], eax
		5732	ret
		5733
		5734	@@:
		5735
		5736	mov esi, [master_tab+(OS_BASE shr 20)]
		5737	xchg [master_tab], esi
		5738	push esi
		5739	mov edi, cr3
		5740	mov cr3, edi ;flush TLB
		5741
		5742	call pword [apm_entry] ;call APM BIOS
		5743
		5744	xchg eax, [esp]
		5745	mov [master_tab], eax
		5746	mov eax, cr3
		5747	mov cr3, eax
		5748	pop eax
		5749
		5750	mov [esp + 4 ], edi
		5751	mov [esp + 8], esi
		5752	mov [esp + 20], ebx
		5753	mov [esp + 24], edx
		5754	mov [esp + 28], ecx
		5755	mov [esp + 32], eax
		5756	setc al
		5757	and [esp + 44], byte 0xfe
		5758	or [esp + 44], al
		5759	ret
		5760	; -----------------------------------------
		5761
		5762	align 4
		5763
		5764	undefined_syscall: ; Undefined system call
		5765	mov [esp + 32], dword -1
		5766	ret
		5767
		5768	align 4
		5769	system_shutdown: ; shut down the system
		5770
		5771	cmp byte [BOOT_VARS+0x9030], 1
		5772	jne @F
		5773	ret
		5774	@@:
		5775	call stop_all_services
		5776	movi eax, 3
		5777	call sys_cd_audio
		5778
		5779	yes_shutdown_param:
		5780	cli
		5781
		5782	if ~ defined extended_primary_loader
		5783	; load kernel.mnt to 0x7000:0
		5784	mov ebx, kernel_file_load
		5785	pushad
		5786	call file_system_lfn
		5787	popad
		5788
		5789	mov esi, restart_kernel_4000+OS_BASE+0x10000 ; move kernel re-starter to 0x4000:0
		5790	mov edi, OS_BASE+0x40000
		5791	mov ecx, 1000
		5792	rep movsb
		5793	end if
		5794
		5795	; mov esi, BOOT_VAR ; restore 0x0 - 0xffff
		5796	; mov edi, OS_BASE
		5797	; mov ecx, 0x10000/4
		5798	; cld
		5799	; rep movsd
		5800
		5801	call IRQ_mask_all
		5802
		5803	if 0
		5804	mov word [OS_BASE+0x467+0], pr_mode_exit
		5805	mov word [OS_BASE+0x467+2], 0x1000
		5806
		5807	mov al, 0x0F
		5808	out 0x70, al
		5809	mov al, 0x05
		5810	out 0x71, al
		5811
		5812	mov al, 0xFE
		5813	out 0x64, al
		5814
		5815	hlt
		5816	jmp $-1
		5817
		5818	else
		5819	cmp byte [OS_BASE + 0x9030], 2
		5820	jnz no_acpi_power_off
		5821
		5822	; scan for RSDP
		5823	; 1) The first 1 Kb of the Extended BIOS Data Area (EBDA).
		5824	movzx eax, word [OS_BASE + 0x40E]
		5825	shl eax, 4
		5826	jz @f
		5827	mov ecx, 1024/16
		5828	call scan_rsdp
		5829	jnc .rsdp_found
		5830	@@:
		5831	; 2) The BIOS read-only memory space between 0E0000h and 0FFFFFh.
		5832	mov eax, 0xE0000
		5833	mov ecx, 0x2000
		5834	call scan_rsdp
		5835	jc no_acpi_power_off
		5836	.rsdp_found:
		5837	mov esi, [eax+16] ; esi contains physical address of the RSDT
		5838	mov ebp, [ipc_tmp]
		5839	stdcall map_page, ebp, esi, PG_MAP
		5840	lea eax, [esi+1000h]
		5841	lea edx, [ebp+1000h]
		5842	stdcall map_page, edx, eax, PG_MAP
		5843	and esi, 0xFFF
		5844	add esi, ebp
		5845	cmp dword [esi], 'RSDT'
		5846	jnz no_acpi_power_off
		5847	mov ecx, [esi+4]
		5848	sub ecx, 24h
		5849	jbe no_acpi_power_off
		5850	shr ecx, 2
		5851	add esi, 24h
		5852	.scan_fadt:
		5853	lodsd
		5854	mov ebx, eax
		5855	lea eax, [ebp+2000h]
		5856	stdcall map_page, eax, ebx, PG_MAP
		5857	lea eax, [ebp+3000h]
		5858	add ebx, 0x1000
		5859	stdcall map_page, eax, ebx, PG_MAP
		5860	and ebx, 0xFFF
		5861	lea ebx, [ebx+ebp+2000h]
		5862	cmp dword [ebx], 'FACP'
		5863	jz .fadt_found
		5864	loop .scan_fadt
		5865	jmp no_acpi_power_off
		5866	.fadt_found:
		5867	; ebx is linear address of FADT
		5868	mov edi, [ebx+40] ; physical address of the DSDT
		5869	lea eax, [ebp+4000h]
		5870	stdcall map_page, eax, edi, PG_MAP
		5871	lea eax, [ebp+5000h]
		5872	lea esi, [edi+0x1000]
		5873	stdcall map_page, eax, esi, PG_MAP
		5874	and esi, 0xFFF
		5875	sub edi, esi
		5876	cmp dword [esi+ebp+4000h], 'DSDT'
		5877	jnz no_acpi_power_off
		5878	mov eax, [esi+ebp+4004h] ; DSDT length
		5879	sub eax, 36+4
		5880	jbe no_acpi_power_off
		5881	add esi, 36
		5882	.scan_dsdt:
		5883	cmp dword [esi+ebp+4000h], '_S5_'
		5884	jnz .scan_dsdt_cont
		5885	cmp byte [esi+ebp+4000h+4], 12h ; DefPackage opcode
		5886	jnz .scan_dsdt_cont
		5887	mov dl, [esi+ebp+4000h+6]
		5888	cmp dl, 4 ; _S5_ package must contain 4 bytes
		5889	; ...in theory; in practice, VirtualBox has 2 bytes
		5890	ja .scan_dsdt_cont
		5891	cmp dl, 1
		5892	jb .scan_dsdt_cont
		5893	lea esi, [esi+ebp+4000h+7]
		5894	xor ecx, ecx
		5895	cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx
		5896	jz @f
		5897	cmp byte [esi], 0xA
		5898	jnz no_acpi_power_off
		5899	inc esi
		5900	mov cl, [esi]
		5901	@@:
		5902	inc esi
		5903	cmp dl, 2
		5904	jb @f
		5905	cmp byte [esi], 0
		5906	jz @f
		5907	cmp byte [esi], 0xA
		5908	jnz no_acpi_power_off
		5909	inc esi
		5910	mov ch, [esi]
		5911	@@:
		5912	jmp do_acpi_power_off
		5913	.scan_dsdt_cont:
		5914	inc esi
		5915	cmp esi, 0x1000
		5916	jb @f
		5917	sub esi, 0x1000
		5918	add edi, 0x1000
		5919	push eax
		5920	lea eax, [ebp+4000h]
		5921	stdcall map_page, eax, edi, PG_MAP
		5922	push PG_MAP
		5923	lea eax, [edi+1000h]
		5924	push eax
		5925	lea eax, [ebp+5000h]
		5926	push eax
		5927	stdcall map_page
		5928	pop eax
		5929	@@:
		5930	dec eax
		5931	jnz .scan_dsdt
		5932	jmp no_acpi_power_off
		5933	do_acpi_power_off:
		5934	mov edx, [ebx+48]
		5935	test edx, edx
		5936	jz .nosmi
		5937	mov al, [ebx+52]
		5938	out dx, al
		5939	mov edx, [ebx+64]
		5940	@@:
		5941	in ax, dx
		5942	test al, 1
		5943	jz @b
		5944	.nosmi:
		5945	and cx, 0x0707
		5946	shl cx, 2
		5947	or cx, 0x2020
		5948	mov edx, [ebx+64]
		5949	in ax, dx
		5950	and ax, 203h
		5951	or ah, cl
		5952	out dx, ax
		5953	mov edx, [ebx+68]
		5954	test edx, edx
		5955	jz @f
		5956	in ax, dx
		5957	and ax, 203h
		5958	or ah, ch
		5959	out dx, ax
		5960	@@:
		5961	jmp $
		5962
		5963
		5964	no_acpi_power_off:
		5965	mov word [OS_BASE+0x467+0], pr_mode_exit
		5966	mov word [OS_BASE+0x467+2], 0x1000
		5967
		5968	mov al, 0x0F
		5969	out 0x70, al
		5970	mov al, 0x05
		5971	out 0x71, al
		5972
		5973	mov al, 0xFE
		5974	out 0x64, al
		5975
		5976	hlt
		5977	jmp $-1
		5978
		5979	scan_rsdp:
		5980	add eax, OS_BASE
		5981	.s:
		5982	cmp dword [eax], 'RSD '
		5983	jnz .n
		5984	cmp dword [eax+4], 'PTR '
		5985	jnz .n
		5986	xor edx, edx
		5987	xor esi, esi
		5988	@@:
		5989	add dl, [eax+esi]
		5990	inc esi
		5991	cmp esi, 20
		5992	jnz @b
		5993	test dl, dl
		5994	jz .ok
		5995	.n:
		5996	add eax, 10h
		5997	loop .s
		5998	stc
		5999	.ok:
		6000	ret
		6001	end if
		6002
		6003	if ~ lang eq sp
		6004	diff16 "end of .text segment",0,$
		6005	end if
		6006
		6007	include "data32.inc"
		6008
		6009	__REV__ = __REV
		6010
		6011	if ~ lang eq sp
		6012	diff16 "end of kernel code",0,$
		6013	end if

Subversion Repositories Kolibri OS

(root)/kernel/branches/kolibri-process/kernel.asm @ 4993 – Rev 4429