WebSVN – Kolibri OS – Blame – /kernel/trunk/kernel.asm

Rev	Author	Line No.	Line
1	ha	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;;
		3	;; Kolibri OS - based on source code Menuet OS, but not 100% compatible.
		4	;;
		5	;; See file COPYING or GNU.TXT for details with these additional details:
		6	;; - All code written in 32 bit x86 assembly language
		7	;; - No external code (eg. bios) at process execution time
		8	;;
		9	;;
		10	;; Compile with last version FASM
		11	;;
		12	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
164	serge	13	include "proc32.inc"
7	me_root	14	include "kglobals.inc"
1	ha	15	include "lang.inc"
		16
164	serge	17	include "const.inc"
1	ha	18
164	serge	19	;WinMapAddress equ 0x460000
		20	;display_data = 0x460000
		21
1	ha	22	max_processes equ 255
		23
164	serge	24	;window_data equ 0x0000
		25	;tss_data equ 0xD20000
1	ha	26	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
164	serge	27	;draw_data equ 0xC00000
		28	;sysint_stack_data equ 0xC03000
1	ha	29
164	serge	30	;twdw equ (0x3000-window_data)
1	ha	31
		32	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		33	;;
		34	;; Included files:
		35	;;
		36	;; Kernel16.inc
		37	;; - Booteng.inc English text for bootup
		38	;; - Bootcode.inc Hardware setup
		39	;; - Pci16.inc PCI functions
		40	;;
		41	;; Kernel32.inc
		42	;; - Sys32.inc Process management
		43	;; - Shutdown.inc Shutdown and restart
		44	;; - Fat32.inc Read / write hd
		45	;; - Vesa12.inc Vesa 1.2 driver
		46	;; - Vesa20.inc Vesa 2.0 driver
		47	;; - Vga.inc VGA driver
		48	;; - Stack.inc Network interface
		49	;; - Mouse.inc Mouse pointer
		50	;; - Scincode.inc Window skinning
		51	;; - Pci32.inc PCI functions
		52	;;
		53	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		54
		55
		56	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		57	;; ;;
		58	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
		59	;; ;;
		60	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		61
		62	use16
82	halyavin	63	org 0x0
1	ha	64	jmp start_of_code
		65
		66	; mike.dld {
90	mario79	67	org $+0x10000
1	ha	68	db 0
		69	dd servetable-0x10000
		70	draw_line dd __sys_draw_line
		71	disable_mouse dd __sys_disable_mouse
		72	draw_pointer dd __sys_draw_pointer
114	mikedld	73	;//mike.dld, 2006-08-02 [
		74	;drawbar dd __sys_drawbar
		75	drawbar dd __sys_drawbar.forced
		76	;//mike.dld, 2006-08-02 ]
1	ha	77	putpixel dd __sys_putpixel
		78	; } mike.dld
		79
202	diamond	80	version db 'Kolibri OS version 0.6.3.0 ',13,10,13,10,0
1	ha	81	;dd endofcode-0x10000
		82
		83	;db 'Boot02'
		84	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		85	include "boot/preboot.inc"
		86	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		87
		88	preboot_lfb db 0
		89	preboot_bootlog db 0
		90
		91
		92	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		93	;; ;;
		94	;; 16 BIT INCLUDED FILES ;;
		95	;; ;;
		96	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		97
7	me_root	98	include "kernel16.inc"
1	ha	99
		100	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		101	;; ;;
		102	;; SWITCH TO 32 BIT PROTECTED MODE ;;
		103	;; ;;
		104	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		105
3	halyavin	106	os_data = os_data_l-gdts ; GDTs
		107	os_code = os_code_l-gdts
1	ha	108	int_code equ int_code_l-gdts
		109	int_data equ int_data_l-gdts
		110	tss0sys equ tss0sys_l-gdts
		111	graph_data equ 3+graph_data_l-gdts
		112	tss0 equ tss0_l-gdts
		113	app_code equ 3+app_code_l-gdts
		114	app_data equ 3+app_data_l-gdts
		115
		116
		117
		118	; CR0 Flags - Protected mode and Paging
		119
168	serge	120	mov ecx, CR0_PE
1	ha	121
		122	; Enabling 32 bit protected mode
		123
		124	sidt [cs:old_ints_h-0x10000]
		125
		126	cli ; disable all irqs
		127	cld
		128	mov al,255 ; mask all irqs
		129	out 0xa1,al
		130	out 0x21,al
		131	l.5: in al, 0x64 ; Enable A20
		132	test al, 2
		133	jnz l.5
		134	mov al, 0xD1
		135	out 0x64, al
		136	l.6: in al, 0x64
		137	test al, 2
		138	jnz l.6
		139	mov al, 0xDF
		140	out 0x60, al
149	diamond	141	l.7: in al, 0x64
		142	test al, 2
		143	jnz l.7
		144	mov al, 0xFF
		145	out 0x64, al
1	ha	146	lgdt [cs:gdts-0x10000] ; Load GDT
		147	mov eax, cr0 ; Turn on paging // protected mode
		148	or eax, ecx
		149	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
		150	mov cr0, eax
77	diamond	151	jmp $+2
164	serge	152	org $+0x10000
1	ha	153	mov ax,os_data ; Selector for os
		154	mov ds,ax
		155	mov es,ax
		156	mov fs,ax
		157	mov gs,ax
		158	mov ss,ax
12	halyavin	159	mov esp,0x3ec00 ; Set stack
1	ha	160	jmp pword os_code:B32 ; jmp to enable 32 bit mode
		161
183	diamond	162	if gdte >= $
		163	error 'GDT overlaps with used code!'
		164	end if
		165
1	ha	166	use32
		167
183	diamond	168	include 'unpacker.inc'
		169
1	ha	170	iglobal
		171	boot_memdetect db 'Determining amount of memory',0
		172	boot_fonts db 'Fonts loaded',0
		173	boot_tss db 'Setting TSSs',0
		174	boot_cpuid db 'Reading CPUIDs',0
		175	boot_devices db 'Detecting devices',0
		176	boot_timer db 'Setting timer',0
		177	boot_irqs db 'Reprogramming IRQs',0
		178	boot_setmouse db 'Setting mouse',0
		179	boot_windefs db 'Setting window defaults',0
		180	boot_bgr db 'Calculating background',0
		181	boot_resirqports db 'Reserving IRQs & ports',0
		182	boot_setrports db 'Setting addresses for IRQs',0
		183	boot_setostask db 'Setting OS task',0
		184	boot_allirqs db 'Unmasking all IRQs',0
		185	boot_tsc db 'Reading TSC',0
		186	boot_pal_ega db 'Setting EGA/CGA 320x200 palette',0
		187	boot_pal_vga db 'Setting VGA 640x480 palette',0
		188	boot_mtrr db 'Setting MTRR',0
		189	boot_tasking db 'All set - press ESC to start',0
		190	endg
		191
		192	iglobal
		193	boot_y dd 10
		194	endg
		195
		196	boot_log:
		197	pushad
		198
		199	mov eax,10*65536
		200	mov ax,word [boot_y]
		201	add [boot_y],dword 10
139	diamond	202	mov ebx,0x80ffffff ; ASCIIZ string with white color
1	ha	203	mov ecx,esi
		204	mov edi,1
		205	call dtext
		206
		207	mov [novesachecksum],1000
117	mario79	208	call checkVga_N13
1	ha	209
		210	cmp [preboot_blogesc],byte 1
		211	je .bll2
		212
		213	cmp esi,boot_tasking
		214	jne .bll2
		215	; begin ealex 04.08.05
		216	; in al,0x61
		217	; and al,01111111b
41	mikedld	218	; out 0x61,al
1	ha	219	; end ealex 04.08.05
		220	.bll1: in al,0x60 ; wait for ESC key press
		221	cmp al,129
		222	jne .bll1
		223
		224	.bll2: popad
		225
		226	ret
		227
		228	iglobal
143	diamond	229	firstapp db '/rd/1/LAUNCHER',0
202	diamond	230	char db 'FONTS/CHAR.MT',0
		231	char2 db 'FONTS/CHAR2.MT',0
1	ha	232	bootpath db '/KOLIBRI '
		233	bootpath2 db 0
314	diamond	234	vmode db 'VMODE.MDR',0

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(root)/kernel/trunk/kernel.asm – Rev 316