WebSVN – Kolibri OS – Blame – /kernel/trunk/boot/bootvesa.inc

Rev	Author	Line No.	Line
714	Lrz	1
		2	.VESASignature dd ? ; char
		3	.VESAVersion dw ? ; short
		4	.OemStringPtr dd ? ; char *
		5	.Capabilities dd ? ; ulong
		6	.VideoModePtr dd ? ; ulong
		7	.TotalMemory dw ? ; short
		8	; VBE 2.0+
		9	.OemSoftwareRev db ? ; short
		10	.OemVendorNamePtr dw ? ; char *
		11	.OemProductNamePtr dw ? ; char *
		12	.OemProductRevPtr dw ? ; char *
		13	.reserved rb 222 ; char
		14	.OemData rb 256 ; char
		15	}
		16
		17
		18	.ModeAttributes dw ? ; short
		19	.WinAAttributes db ? ; char
		20	.WinBAttributes db ? ; char
		21	.WinGranularity dw ? ; short
		22	.WinSize dw ? ; short
		23	.WinASegment dw ? ; ushort
		24	.WinBSegment dw ? ; ushort
		25	.WinFuncPtr dd ? ; void *
		26	.BytesPerScanLine dw ? ; short
		27	.XRes dw ? ; short
		28	.YRes dw ? ; short
		29	.XCharSize db ? ; char
		30	.YCharSize db ? ; char
		31	.NumberOfPlanes db ? ; char
		32	.BitsPerPixel db ? ; char
		33	.NumberOfBanks db ? ; char
		34	.MemoryModel db ? ; char
		35	.BankSize db ? ; char
		36	.NumberOfImagePages db ? ; char
		37	.res1 db ? ; char
		38	.RedMaskSize db ? ; char
		39	.RedFieldPosition db ? ; char
		40	.GreenMaskSize db ? ; char
		41	.GreenFieldPosition db ? ; char
		42	.BlueMaskSize db ? ; char
		43	.BlueFieldPosition db ? ; char
		44	.RsvedMaskSize db ? ; char
		45	.RsvedFieldPosition db ? ; char
		46	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
		47	; VBE 2.0+
		48	.PhysBasePtr dd ? ; ulong
		49	.OffScreenMemOffset dd ? ; ulong
		50	.OffScreenMemSize dw ? ; short
		51	; VBE 3.0+
		52	.LinbytesPerScanLine dw ? ; short
		53	.BankNumberOfImagePages db ? ; char
		54	.LinNumberOfImagePages db ? ; char
		55	.LinRedMaskSize db ? ; char
		56	.LinRedFieldPosition db ? ; char
		57	.LingreenMaskSize db ? ; char
		58	.LinGreenFieldPosition db ? ; char
		59	.LinBlueMaskSize db ? ; char
		60	.LinBlueFieldPosition db ? ; char
		61	.LinRsvdMaskSize db ? ; char
		62	.LinRsvdFieldPosition db ? ; char
		63	.MaxPixelClock dd ? ; ulong
		64	.res2 rb 190 ; char
		65	}
		66
		67
		68	vi VBE_VGAInfo
		69	mi VBE_ModeInfo
		70	modes_table:
		71	end virtual
		72	cursor_pos dw 0 ;�� .
		73	home_cursor dw 0 ;current shows rows a table
		74	end_cursor dw 0 ;end of position current shows rows a table
		75	long_v_table equ 9 ;long of visible video table
		76	size_of_step equ 10
		77	int2str:
		78	dec bl
		79	jz @f
		80	xor edx,edx
		81	div ecx
		82	push edx
		83	call int2str
		84	pop eax
		85	@@: or al,0x30
		86	mov [ds:di],al
		87	inc di
		88	ret
		89
		90
		91	cmp eax,ecx
		92	jb @f
		93	xor edx,edx
		94	div ecx
		95	push edx
		96	call int2strnz
		97	pop eax
		98	@@: or al,0x30
		99	mov [es:di],al
		100	inc di
		101	ret
		102	;-------------------------------------------------------
		103	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		104	v_mode_error:
		105	_setcursor 19,2
		106	mov si, fatalsel
		107	call printplain
		108	_setcursor 20,2
		109	mov si,pres_key
		110	call printplain
		111	xor eax,eax
		112	int 16h
		113	jmp cfgmanager.d
		114	;-------------------------------------------------------
		115	;
		116
		117
		118
		119
		120	print_vesa_info:
		121	_setcursor 5,2
		122
		123
		124	mov ax,0x4F00
		125	mov di,vi ;0xa000
		126	int 0x10
		127	or ah,ah
		128	jz @f
		129	mov [es:vi.VESASignature],'VESA'
		130	mov ax,$4F00
		131	mov di,vi
		132	int 0x10
		133	or ah,ah
		134	jnz .exit
		135	@@:
		136	cmp [es:vi.VESASignature],'VESA'
		137	jne .exit
		138	cmp [es:vi.VESAVersion],0x0100
		139	jb .exit
		140	jmp .vesaok2
		141
		142
		143	mov si,novesa
		144	call printplain
		145	ret
		146
		147
		148	mov ax,[es:vi.VESAVersion]
		149	add ax,'00'
		150
		151
		152	mov [s_vesa.ver+2], al
		153	mov si,s_vesa
		154	call printplain
		155
		156
		157	mov si,word[es:vi.OemStringPtr]
		158	mov di,si
		159
		160
		161	mov ds,word[es:vi.OemStringPtr+2]
		162	call printplain
		163	pop ds
		164
		165
		166	;-----------------------------------------------------------------------------
		167
		168
		169	pushad
		170
		171
		172	; pop es
		173
		174
		175	push word[es:vi.VideoModePtr+2]
		176	pop fs
		177
		178
		179	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
		180	mov word [es:bx],640
		181	mov word [es:bx+2],480
		182	mov word [es:bx+6],0x13
		183
		184
		185	mov word [es:bx+12],480
		186	mov word [es:bx+16],0x12
		187	add bx,20
		188	.next_mode:
		189	mov cx,word [fs:si] ; mode number
		190	cmp cx,-1
		191	je .modes_ok.2
		192
		193
		194	mov di,mi
		195	int 0x10
		196
		197
		198	jnz .modes_ok.2;vesa_info.exit
		199
		200
		201	jz @f
		202	test [es:mi.ModeAttributes],00010000b ;picture ?
		203	jz @f
		204	test [es:mi.ModeAttributes],10000000b ;LFB ?
		205	jz @f
		206
		207
		208	jne .l0
		209	cmp [es:mi.GreenMaskSize],5
		210	jne .l0
		211	mov [es:mi.BitsPerPixel],15
		212
		213
		214
		215	cmp [es:mi.XRes],640
		216	jb @f
		217	cmp [es:mi.YRes],480
		218	jb @f
		219	; cmp [es:mi.BitsPerPixel],8
		220	; jb @f
		221
		222
		223	mov [es:bx+0],ax ; +0[2] : resolution X
		224	mov ax,[es:mi.YRes]
		225	mov [es:bx+2],ax ; +2[2] : resolution Y
		226	mov ax,[es:mi.ModeAttributes]
		227	mov [es:bx+4],ax ; +4[2] : attributes
		228
		229
		230	jb .lp1
		231
		232
		233	.lp1: mov [es:bx+6],cx ; +6 : mode number
		234	movzx ax,byte [es:mi.BitsPerPixel]
		235	mov word [es:bx+8],ax ; +8 : bits per pixel
		236	add bx,size_of_step
		237
		238
		239	add si,2
		240	jmp .next_mode
		241
		242
		243
		244
		245	mov word[end_cursor],bx ;save end cursor position
		246	;;;;;;;;;;;;;;;;;;
		247	;Sort array
		248	; mov si,modes_table
		249	;.new_mode:
		250	; mov ax,word [es:si]
		251	; cmp ax,-1
		252	; je .exxit
		253	; add ax,word [es:si+2]
		254	; add ax,word [es:si+8]
		255	; mov bp,si
		256	;.again:
		257	; add bp,12
		258	; mov bx,word [es:bp]
		259	; cmp bx,-1
		260	; je .exit
		261	; add bx,word [es:bp+2]
		262	; add bx,word [es:bp+8]
		263	;
		264	; cmp ax,bx
		265	; ja .loops
		266	; jmp .again
		267	;.loops:
		268	; push dword [es:si]
		269	; push dword [es:si+4]
		270	; push dword [es:si+8]
		271	; push dword [es:bp]
		272	; push dword [es:bp+4]
		273	; push dword [es:bp+8]
		274	;
		275	; pop dword [es:si+8]
		276	; pop dword [es:si+4]
		277	; pop dword [es:si]
		278	; pop dword [es:bp+8]
		279	; pop dword [es:bp+4]
		280	; pop dword [es:bp]
		281	; jmp .new_mode
		282	;
		283	;.exit: add si,12
		284	; jmp .new_mode
		285	;.exxit:
		286	popad
		287	ret
		288
		289
		290
		291
		292	push 0
		293	pop es
		294
		295
		296
		297
		298	je .no_vesa_0x12
		299
		300
		301	je .no_vesa_0x13
		302
		303
		304	movzx eax,word[es:si+0]
		305	mov ecx,10
		306	call int2strnz
		307	mov byte[es:di],'x'
		308	inc di
		309	movzx eax,word[es:si+2]
		310	call int2strnz
		311	mov byte[es:di],'x'
		312	inc di
		313	movzx eax,word[es:si+8]
		314	call int2strnz
		315	mov dword[es:di],0x00000d0a
		316	mov si,loader_block_error
		317	push ds
		318	push es
		319	pop ds
		320	call printplain
		321	pop ds
		322	ret
		323	.no_vesa_0x13:
		324	mov si,mode0
		325	jmp .print
		326	.no_vesa_0x12:
		327	mov si,mode9
		328	.print:
		329	call printplain
		330	ret
		331	;-----------------------------------------------------------------------------
		332	check_first_parm:
		333	mov ax,word [preboot_graph]
		334	test ax,ax
		335	jnz .no_zero ;if no zero
		336	.zerro:
		337	; mov ax,modes_table
		338	; mov word [cursor_pos],ax
		339	; mov word [home_cursor],ax
		340	; mov word [preboot_graph],ax
		341	;SET default video of mode first probe will fined a move of work 1024x768@32
		342
		343
		344	mov bx,768
		345	mov si,modes_table
		346	call .loops
		347	test ax,ax
		348	jz .ok_found_mode
		349	mov ax,800
		350	mov bx,600
		351	mov si,modes_table
		352	call .loops
		353	test ax,ax
		354	jz .ok_found_mode
		355	mov ax,640
		356	mov bx,480
		357	mov si,modes_table
		358	call .loops
		359	test ax,ax
		360	jz .ok_found_mode
		361
		362
		363
		364
		365
		366	mov word [home_cursor],si
		367	; mov word [cursor_pos],si
		368	mov word [preboot_graph],si
		369	mov ax,si
		370
		371
		372	cmp ax,modes_table
		373	jb .zerro ;check on correct if bellow
		374	cmp ax,word [end_cursor]
		375	ja .zerro ;check on correct if anymore
		376
		377
		378
		379
		380	cmp ax,word [end_cursor]
		381	jae .next_step
		382	loop .loop
		383	.next_step:
		384	sub ax,size_of_step*long_v_table
		385	cmp ax,modes_table
		386	jb .zerro
		387
		388
		389	push word [preboot_graph]
		390	pop word [cursor_pos]
		391	ret
		392	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		393	.loops:
		394	cmp ax,word [es:si]
		395	jne .next
		396	cmp bx,word [es:si+2]
		397	jne .next
		398	cmp word [es:si+8],32
		399	je .ok
		400	cmp word [es:si+8],24
		401	je .ok
		402	.next: add si,size_of_step
		403	cmp word [es:si],-1
		404	je .exit
		405	jmp .loops
		406	.ok: xor ax,ax
		407	.exit: ret
		408
		409
		410
		411
		412
		413
		414
		415	draw_vmodes_table:
		416	_setcursor 9, 2
		417	mov si,gr_mode
		418	call printplain
		419
		420
		421	call printplain
		422
		423
		424	pop ax
		425	push word [home_cursor]
		426	pop si
		427	mov cx,si
		428
		429
		430	je .ok
		431	jb .low
		432
		433
		434
		435
		436
		437	jb .ok
		438
		439
		440	add cx,size_of_step
		441	cmp cx,word[end_cursor]
		442	jae .ok
		443	add si,size_of_step
		444	push si
		445	pop word [home_cursor]
		446	jmp .ok
		447
		448
		449
		450	cmp cx,modes_table
		451	jb .ok
		452	push cx
		453	push cx
		454	pop word [home_cursor]
		455	pop si
		456
		457
		458
		459	mov bp,long_v_table ;show rows
		460	.@@_next_bit:
		461	cmp word [es:si+6],0x12
		462	je .show_0x12
		463	cmp word [es:si+6],0x13
		464	je .show_0x13
		465
		466
		467	cmp ax,-1
		468	je .@@_end
		469	mov di,_rs+23
		470	mov ecx,10
		471	mov bl,4
		472	call int2str
		473	movzx eax,word[es:si+2]
		474	inc di
		475	mov bl,4
		476	call int2str
		477
		478
		479	inc di
		480	mov bl,2
		481	call int2str
		482	;clear cursor
		483	mov word[ds:_r1+21],' '
		484	mov word[ds:_r1+50],' '
		485
		486
		487	mov word[ds:_r2+45],' '
		488
		489
		490	mov word[ds:_rs+46],' '
		491
		492
		493	jne .next
		494	;draw cursor
		495	mov word[ds:_rs+21],'>>'
		496	mov word[ds:_rs+46],'<<'
		497
		498
		499
		500
		501	push si
		502	mov si,_rs
		503	.@@_sh:
		504	call printplain
		505	pop si
		506	add si,size_of_step
		507
		508
		509	jnz .@@_next_bit
		510
		511
		512	mov si,_bt
		513	call printplain
		514	ret
		515	.show_0x13:
		516	push si
		517
		518
		519	jne @f
		520	mov word[ds:_r1+21],'>>'
		521	mov word[ds:_r1+50],'<<'
		522	@@:
		523	mov si,_r1
		524	jmp .@@_sh
		525	.show_0x12:
		526	push si
		527	cmp si, word [cursor_pos]
		528	jne @f
		529
		530
		531	mov word[ds:_r2+45],'<<'
		532	@@:
		533	mov si,_r2
		534	jmp .@@_sh
		535
		536
		537	;Clear arrea of current video page (0xb800)
		538	clear_vmodes_table:
		539	pusha
		540	; draw frames
		541	push es
		542	push 0xb800
		543	pop es
		544	mov di,1444
		545	xor ax,ax
		546	mov ah, 1*16+15
		547	mov cx,70
		548	mov bp,12
		549	.loop_start:
		550	rep stosw
		551	mov cx,70
		552	add di,20
		553	dec bp ; 㬥�� DX,
		554	jns .loop_start
		555	pop es
		556	popa
		557	ret
		558
		559
		560
		561
		562	push 0 ;0;x1000
		563	pop es
		564
		565
		566	mov cx,word [es:si+6] ; number of mode
		567
		568
		569
		570	mov bx,word [es:si+2] ; resolution Y
		571
		572
		573
		574	mov word [es:0x900C],bx ; resolution Y
		575	mov word [es:0x9008],cx ; number of mode
		576
		577
		578	je .mode0x12_0x13
		579	cmp cx,0x13
		580	je .mode0x12_0x13
		581
		582
		583
		584	jb .vesa12
		585
		586
		587
		588
		589	and cx,0xfff
		590	mov di,mi;0xa000
		591	int 0x10
		592	; LFB
		593	mov eax,[es:mi.PhysBasePtr];di+0x28]
		594	mov [es:0x9018],eax
		595	; ---- vbe voodoo
		596	BytesPerLine equ 0x10
		597	mov ax, [es:di+BytesPerLine]
		598	mov [es:0x9001], ax
		599	; BPP
		600	cmp [es:mi.BitsPerPixel],16
		601	jne .l0
		602	cmp [es:mi.GreenMaskSize],5
		603	jne .l0
		604	mov [es:mi.BitsPerPixel],15
		605	.l0:
		606	mov al, byte [es:di+0x19]
		607	mov [es:0x9000], al
		608	jmp .exit
		609
		610
		611	mov byte [es:0x9000], 32
		612	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		613
		614
		615
		616
		617
		618
		619
		620
		621	xor bx,bx
		622	int 0x10
		623	xor eax,eax
		624	xor ebx,ebx
		625	mov ax,es
		626	shl eax,4
		627	mov bx,di
		628	add eax,ebx
		629	movzx ebx,word[es:di]
		630	add eax,ebx
		631	push 0x0000
		632	pop es
		633	mov [es:0x9014],eax
		634	.exit:
		635	ret
		636
		637
		638
		639	; ret
		640
		641
		642	;=============================================================================
		643	;=============================================================================
		644	@@:
		645

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(root)/kernel/trunk/boot/bootvesa.inc @ 834 – Rev 714