WebSVN – Kolibri OS – Diff – /kernel/trunk/blkdev/cd_drv.inc



;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

$Revision: 628 $
 
 

	mov	  [PacketCommand+8],byte 1
	; Çàäàòü ñ÷èòûâàíèå äàííûõ â ïîëíîì îáúåìå
;        mov     [PacketCommand+9],byte 0xF8
; Ïîäàòü êîìàíäó
	call  SendPacketDatCommand
 
	popa
	ret

 
;********************************************

    mov   [CDDataBuf_pointer],edi
    pop   eax
    pop   edi

 
    call  ReadCDWRetr_1
    cmp   [DevErrorCode],0
    jne   .exit
 
    mov   [CDDataBuf_pointer],ebx
    call  cd_calculate_cache_1
    lea   esi,[edi*8+esi]
    mov   [esi],eax		; sector number

    pop   eax
    mov   edi,ebx   ;[CDDataBuf_pointer]
    mov   ecx,512   ;/4
    cld
    rep   movsd 		; move data
.exit:
    popad
    ret

 
ReadCDWRetr_1:

	cmp   eax,0
	je    @@NextRetr
	jmp	  .wait
@@:
; Çàäåðæêà íà 2,5 ñåêóíäû
;	mov	EAX,[timer_ticks]
;	add	EAX,50	;250
;@@Wait:
;	call	change_task
;	cmp	EAX,[timer_ticks]
;	ja	@@Wait
	loop  @@NextRetr
@@End_4:
	popad
	ret

;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò;      *
;* CDBlockSize - ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ.  *
;****************************************************
SendPacketDatCommand:
	pushad
	mov   [DevErrorCode],0
; Çàäàòü ðåæèì CHS
	mov	[ATAAddressMode],0
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
	mov	[ATAFeatures],0
	mov	[ATASectorCount],0

@@Err6_temp:
	mov	[DevErrorCode],7
	jmp @@End_8
@@Err6:
	mov	[DevErrorCode],6
 
@@End_8:
	popad
	ret

;* DiskNumber - íîìåð äèñêà íà êàíàëå;         *
;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò. *
;***********************************************
SendPacketNoDatCommand:
	pushad
    mov   [DevErrorCode],0
; Çàäàòü ðåæèì CHS
	mov	[ATAAddressMode],0
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
	mov	[ATAFeatures],0
	mov	[ATASectorCount],0

;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
;* âîçâðàùåí êîä îøèáêè.                            *
;****************************************************
SendCommandToHDD_1:
	pushad
    mov   [DevErrorCode],0
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
	cmp	[ATAAddressMode],1
	ja	@@Err2_4
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
	mov	BX,[ChannelNumber]

	pusha
	mov	[CDDataBuf_pointer],CDDataBuf
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
	call  clear_packet_buffer
; Çàäàòü êîä êîìàíäû
	mov	[PacketCommand],byte 4Ah
	mov	[PacketCommand+1],byte 00000001b
; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
	mov	[PacketCommand+4],byte 00010000b
; Ðàçìåð âûäåëåííîé îáëàñòè
	mov	[PacketCommand+7],byte 8h
	mov	[PacketCommand+8],byte 0h
; Ïîäàòü êîìàíäó
 
	call	SendPacketDatCommand
 
	popa
	ret

 
;*************************************************

; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
	mov	[PacketCommand],dword 0
	mov	[PacketCommand+4],dword 0
	mov	[PacketCommand+8],dword 0
	ret
 

Rev 618	Rev 628
Line 3...	Line 3...
3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License ;;	4	;; Distributed under terms of the GNU General Public License ;;
5	;; ;;	5	;; ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7...	Line 7...
7		7
Line 8...	Line 8...
8	$Revision: 618 $	8	$Revision: 628 $
9		9
10		10
Line 54...	Line 54...
54	mov [PacketCommand+8],byte 1	54	mov [PacketCommand+8],byte 1
55	; Çàäàòü ñ÷èòûâàíèå äàííûõ â ïîëíîì îáúåìå	55	; Çàäàòü ñ÷èòûâàíèå äàííûõ â ïîëíîì îáúåìå
56	; mov [PacketCommand+9],byte 0xF8	56	; mov [PacketCommand+9],byte 0xF8
57	; Ïîäàòü êîìàíäó	57	; Ïîäàòü êîìàíäó
58	call SendPacketDatCommand	58	call SendPacketDatCommand
59	; call test_mario79	-
60	popa	59	popa
61	ret	60	ret
Line 62...	Line 61...
62		61
63	;********************************************	62	;********************************************
Line 95...	Line 94...
95	mov [CDDataBuf_pointer],edi	94	mov [CDDataBuf_pointer],edi
96	pop eax	95	pop eax
97	pop edi	96	pop edi
Line 98...	Line 97...
98		97
-		98	call ReadCDWRetr_1
-		99	cmp [DevErrorCode],0
-		100	jne .exit
99	call ReadCDWRetr_1	101
100	mov [CDDataBuf_pointer],ebx	102	mov [CDDataBuf_pointer],ebx
101	call cd_calculate_cache_1	103	call cd_calculate_cache_1
102	lea esi,[edi*8+esi]	104	lea esi,[edi*8+esi]
103	mov [esi],eax ; sector number	105	mov [esi],eax ; sector number
Line 111...	Line 113...
111	pop eax	113	pop eax
112	mov edi,ebx ;[CDDataBuf_pointer]	114	mov edi,ebx ;[CDDataBuf_pointer]
113	mov ecx,512 ;/4	115	mov ecx,512 ;/4
114	cld	116	cld
115	rep movsd ; move data	117	rep movsd ; move data
-		118	.exit:
116	popad	119	popad
117	ret	120	ret
Line 118...	Line 121...
118		121
119	ReadCDWRetr_1:	122	ReadCDWRetr_1:
Line 140...	Line 143...
140	cmp eax,0	143	cmp eax,0
141	je @@NextRetr	144	je @@NextRetr
142	jmp .wait	145	jmp .wait
143	@@:	146	@@:
144	; Çàäåðæêà íà 2,5 ñåêóíäû	147	; Çàäåðæêà íà 2,5 ñåêóíäû
145	mov EAX,[timer_ticks]	148	; mov EAX,[timer_ticks]
146	add EAX,250 ;50	149	; add EAX,50 ;250
147	@@Wait:	150	;@@Wait:
148	call change_task	151	; call change_task
149	cmp EAX,[timer_ticks]	152	; cmp EAX,[timer_ticks]
150	ja @@Wait	153	; ja @@Wait
151	loop @@NextRetr	154	loop @@NextRetr
152	@@End_4:	155	@@End_4:
153	popad	156	popad
154	ret	157	ret
Line 187...	Line 190...
187	;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò; *	190	;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò; *
188	;* CDBlockSize - ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ. *	191	;* CDBlockSize - ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ. *
189	;****************************************************	192	;****************************************************
190	SendPacketDatCommand:	193	SendPacketDatCommand:
191	pushad	194	pushad
-		195	mov [DevErrorCode],0
192	; Çàäàòü ðåæèì CHS	196	; Çàäàòü ðåæèì CHS
193	mov [ATAAddressMode],0	197	mov [ATAAddressMode],0
194	; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû	198	; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
195	mov [ATAFeatures],0	199	mov [ATAFeatures],0
196	mov [ATASectorCount],0	200	mov [ATASectorCount],0
Line 299...	Line 303...
299	@@Err6_temp:	303	@@Err6_temp:
300	mov [DevErrorCode],7	304	mov [DevErrorCode],7
301	jmp @@End_8	305	jmp @@End_8
302	@@Err6:	306	@@Err6:
303	mov [DevErrorCode],6	307	mov [DevErrorCode],6
304		-
305	@@End_8:	308	@@End_8:
306	popad	309	popad
307	ret	310	ret
Line 317...	Line 320...
317	;* DiskNumber - íîìåð äèñêà íà êàíàëå; *	320	;* DiskNumber - íîìåð äèñêà íà êàíàëå; *
318	;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò. *	321	;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò. *
319	;***********************************************	322	;***********************************************
320	SendPacketNoDatCommand:	323	SendPacketNoDatCommand:
321	pushad	324	pushad
-		325	mov [DevErrorCode],0
322	; Çàäàòü ðåæèì CHS	326	; Çàäàòü ðåæèì CHS
323	mov [ATAAddressMode],0	327	mov [ATAAddressMode],0
324	; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû	328	; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
325	mov [ATAFeatures],0	329	mov [ATAFeatures],0
326	mov [ATASectorCount],0	330	mov [ATASectorCount],0
Line 417...	Line 421...
417	;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò *	421	;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò *
418	;* âîçâðàùåí êîä îøèáêè. *	422	;* âîçâðàùåí êîä îøèáêè. *
419	;****************************************************	423	;****************************************************
420	SendCommandToHDD_1:	424	SendCommandToHDD_1:
421	pushad	425	pushad
-		426	mov [DevErrorCode],0
422	; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà	427	; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
423	cmp [ATAAddressMode],1	428	cmp [ATAAddressMode],1
424	ja @@Err2_4	429	ja @@Err2_4
425	; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà	430	; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
426	mov BX,[ChannelNumber]	431	mov BX,[ChannelNumber]
Line 817...	Line 822...
817	pusha	822	pusha
818	mov [CDDataBuf_pointer],CDDataBuf	823	mov [CDDataBuf_pointer],CDDataBuf
819	; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû	824	; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
820	call clear_packet_buffer	825	call clear_packet_buffer
821	; Çàäàòü êîä êîìàíäû	826	; Çàäàòü êîä êîìàíäû
822	mov [PacketCommand],word 4Ah	827	mov [PacketCommand],byte 4Ah
823	mov [PacketCommand+1],byte 00000001b	828	mov [PacketCommand+1],byte 00000001b
824	; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé	829	; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
825	mov [PacketCommand+4],byte 00010000b	830	mov [PacketCommand+4],byte 00010000b
826	; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé	831	; Ðàçìåð âûäåëåííîé îáëàñòè
827	mov [PacketCommand+7],byte 8	832	mov [PacketCommand+7],byte 8h
828	mov [PacketCommand+8],byte 0	833	mov [PacketCommand+8],byte 0h
829	; Ïîäàòü êîìàíäó	834	; Ïîäàòü êîìàíäó
830	; mov [timer_ticks_enable],0	-
831	call SendPacketDatCommand	835	call SendPacketDatCommand
832	; mov [timer_ticks_enable],1	-
833	popa	836	popa
834	ret	837	ret
Line 835...	Line 838...
835		838
836	;*************************************************	839	;*************************************************
Line 857...	Line 860...
857	; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû	860	; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
858	mov [PacketCommand],dword 0	861	mov [PacketCommand],dword 0
859	mov [PacketCommand+4],dword 0	862	mov [PacketCommand+4],dword 0
860	mov [PacketCommand+8],dword 0	863	mov [PacketCommand+8],dword 0
861	ret	864	ret
862		-

Subversion Repositories Kolibri OS

(root)/kernel/trunk/blkdev/cd_drv.inc – Rev 618 → 628