WebSVN – Kolibri OS – Blame – /kernel/trunk/blkdev/hd_drv.inc

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
3742	clevermous	3	;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;;
2288	clevermous	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 4720 $
		9
		10
		11	; Low-level driver for HDD access
		12	; DMA support by Mario79
3712	mario79	13	; LBA48 support by Mario79
		14	;-----------------------------------------------------------------------------
3742	clevermous	15	struct HD_DATA
		16	hdbase dd ?
		17	hdid dd ?
		18	hdpos dd ?
		19	ends
4700	mario79	20	;-----------------------------------------------------------------------------
3742	clevermous	21	iglobal
2288	clevermous	22	align 4
3742	clevermous	23	ide_callbacks:
		24	dd ide_callbacks.end - ide_callbacks ; strucsize
		25	dd 0 ; no close function
		26	dd 0 ; no closemedia function
		27	dd ide_querymedia
		28	dd ide_read
		29	dd ide_write
		30	dd 0 ; no flush function
		31	dd 0 ; use default cache size
		32	.end:
2288	clevermous	33
3742	clevermous	34	hd0_data HD_DATA ?, 0, 1
		35	hd1_data HD_DATA ?, 0x10, 2
		36	hd2_data HD_DATA ?, 0, 3
		37	hd3_data HD_DATA ?, 0x10, 4
4700	mario79	38	hd4_data HD_DATA ?, 0, 5
		39	hd5_data HD_DATA ?, 0x10, 6
		40	hd6_data HD_DATA ?, 0, 7
		41	hd7_data HD_DATA ?, 0x10, 8
		42	hd8_data HD_DATA ?, 0, 9
		43	hd9_data HD_DATA ?, 0x10, 10
		44	hd10_data HD_DATA ?, 0, 11
		45	hd11_data HD_DATA ?, 0x10, 12
4273	clevermous	46
4700	mario79	47	ide_mutex_table:
		48	dd ide_channel1_mutex
		49	dd ide_channel2_mutex
		50	dd ide_channel3_mutex
		51	dd ide_channel4_mutex
		52	dd ide_channel5_mutex
		53	dd ide_channel6_mutex
3742	clevermous	54	endg
4700	mario79	55	;-----------------------------------------------------------------------------
3742	clevermous	56	uglobal
		57	ide_mutex MUTEX
		58	ide_channel1_mutex MUTEX
		59	ide_channel2_mutex MUTEX
4700	mario79	60	ide_channel3_mutex MUTEX
		61	ide_channel4_mutex MUTEX
		62	ide_channel5_mutex MUTEX
		63	ide_channel6_mutex MUTEX
3742	clevermous	64	endg
4700	mario79	65	;-----------------------------------------------------------------------------
3742	clevermous	66	proc ide_read stdcall uses edi, \
		67	hd_data, buffer, startsector:qword, numsectors
		68	; hd_data = pointer to hd*_data
		69	; buffer = pointer to buffer for data
		70	; startsector = 64-bit start sector
		71	; numsectors = pointer to number of sectors on input,
		72	; must be filled with number of sectors really read
		73	locals
		74	sectors_todo dd ?
		75	channel_lock dd ?
		76	endl
		77	; 1. Initialize number of sectors: get number of requested sectors
		78	; and say that no sectors were read yet.
		79	mov ecx, [numsectors]
		80	mov eax, [ecx]
		81	mov dword [ecx], 0
		82	mov [sectors_todo], eax
		83	; 2. Acquire the global lock.
		84	mov ecx, ide_mutex
		85	call mutex_lock
4700	mario79	86
		87	mov ecx, [hd_data]
		88	mov ecx, [ecx+HD_DATA.hdpos]
		89	dec ecx
		90	shr ecx, 1
		91	shl ecx, 2
		92	mov ecx, [ecx + ide_mutex_table]
3742	clevermous	93	mov [channel_lock], ecx
		94	call mutex_lock
		95	; 3. Convert parameters to the form suitable for worker procedures.
		96	; Underlying procedures do not know about 64-bit sectors.
		97	; Worker procedures use global variables and edi for [buffer].
		98	cmp dword [startsector+4], 0
		99	jnz .fail
4700	mario79	100
3742	clevermous	101	and [hd_error], 0
		102	mov ecx, [hd_data]
		103	mov eax, [ecx+HD_DATA.hdbase]
		104	mov [hdbase], eax
		105	mov eax, [ecx+HD_DATA.hdid]
		106	mov [hdid], eax
		107	mov eax, [ecx+HD_DATA.hdpos]
		108	mov [hdpos], eax
		109	mov eax, dword [startsector]
		110	mov edi, [buffer]
		111	; 4. Worker procedures take one sectors per time, so loop over all sectors to read.
		112	.sectors_loop:
2288	clevermous	113	; DMA read is permitted if [allow_dma_access]=1 or 2
		114	cmp [allow_dma_access], 2
		115	ja .nodma
4291	mario79	116
4720	mario79	117	push eax ecx
		118	mov ecx, [hdpos]
		119	dec ecx
		120	shr ecx, 2
		121	imul ecx, sizeof.IDE_DATA
		122	add ecx, IDE_controller_1
		123	mov [IDE_controller_pointer], ecx
		124
		125	mov eax, [hdpos]
		126	dec eax
		127	and eax, 11b
		128	shr eax, 1
		129	add eax, ecx
		130	cmp [eax+IDE_DATA.dma_hdd_channel_1], 1
		131	pop ecx eax
4291	mario79	132	jnz .nodma
		133
2288	clevermous	134	call hd_read_dma
		135	jmp @f
4700	mario79	136	;--------------------------------------
2288	clevermous	137	.nodma:
		138	call hd_read_pio
4700	mario79	139	;--------------------------------------
2288	clevermous	140	@@:
		141	cmp [hd_error], 0
3742	clevermous	142	jnz .fail
4700	mario79	143
3742	clevermous	144	mov ecx, [numsectors]
		145	inc dword [ecx] ; one more sector is read
		146	dec [sectors_todo]
		147	jz .done
4700	mario79	148
3742	clevermous	149	inc eax
		150	jnz .sectors_loop
4700	mario79	151	;--------------------------------------
3742	clevermous	152	; 5. Loop is done, either due to error or because everything is done.
		153	; Release the global lock and return the corresponding status.
		154	.fail:
		155	mov ecx, [channel_lock]
		156	call mutex_unlock
4700	mario79	157
3742	clevermous	158	mov ecx, ide_mutex
		159	call mutex_unlock
4700	mario79	160
3742	clevermous	161	or eax, -1
		162	ret
4700	mario79	163	;--------------------------------------
3742	clevermous	164	.done:
		165	mov ecx, [channel_lock]
		166	call mutex_unlock
4700	mario79	167
3742	clevermous	168	mov ecx, ide_mutex
		169	call mutex_unlock
4700	mario79	170
3742	clevermous	171	xor eax, eax
		172	ret
		173	endp
4700	mario79	174	;-----------------------------------------------------------------------------
3742	clevermous	175	proc ide_write stdcall uses esi edi, \
		176	hd_data, buffer, startsector:qword, numsectors
		177	; hd_data = pointer to hd*_data
		178	; buffer = pointer to buffer with data
		179	; startsector = 64-bit start sector
		180	; numsectors = pointer to number of sectors on input,
		181	; must be filled with number of sectors really written
		182	locals
		183	sectors_todo dd ?
		184	channel_lock dd ?
		185	endl
		186	; 1. Initialize number of sectors: get number of requested sectors
		187	; and say that no sectors were read yet.
		188	mov ecx, [numsectors]
		189	mov eax, [ecx]
		190	mov dword [ecx], 0
		191	mov [sectors_todo], eax
		192	; 2. Acquire the global lock.
		193	mov ecx, ide_mutex
		194	call mutex_lock
4700	mario79	195
		196	mov ecx, [hd_data]
		197	mov ecx, [ecx+HD_DATA.hdpos]
		198	dec ecx
		199	shr ecx, 1
		200	shl ecx, 2
		201	mov ecx, [ecx + ide_mutex_table]
3742	clevermous	202	mov [channel_lock], ecx
		203	call mutex_lock
		204	; 3. Convert parameters to the form suitable for worker procedures.
		205	; Underlying procedures do not know about 64-bit sectors.
		206	; Worker procedures use global variables and esi for [buffer].
		207	cmp dword [startsector+4], 0
		208	jnz .fail
4700	mario79	209
3742	clevermous	210	and [hd_error], 0
		211	mov ecx, [hd_data]
		212	mov eax, [ecx+HD_DATA.hdbase]
		213	mov [hdbase], eax
		214	mov eax, [ecx+HD_DATA.hdid]
		215	mov [hdid], eax
		216	mov eax, [ecx+HD_DATA.hdpos]
		217	mov [hdpos], eax
		218	mov esi, [buffer]
		219	lea edi, [startsector]
		220	mov [cache_chain_ptr], edi
		221	; 4. Worker procedures take max 16 sectors per time,
		222	; loop until all sectors will be processed.
		223	.sectors_loop:
		224	mov ecx, 16
		225	cmp ecx, [sectors_todo]
		226	jbe @f
4700	mario79	227
3742	clevermous	228	mov ecx, [sectors_todo]
4700	mario79	229	;--------------------------------------
3742	clevermous	230	@@:
		231	mov [cache_chain_size], cl
		232	; DMA write is permitted only if [allow_dma_access]=1
		233	cmp [allow_dma_access], 2
		234	jae .nodma
4291	mario79	235
4720	mario79	236	push eax ecx
		237	mov ecx, [hdpos]
		238	dec ecx
		239	shr ecx, 2
		240	imul ecx, sizeof.IDE_DATA
		241	add ecx, IDE_controller_1
		242	mov [IDE_controller_pointer], ecx
		243
		244	mov eax, [hdpos]
		245	dec eax
		246	and eax, 11b
		247	shr eax, 1
		248	add eax, ecx
		249	cmp [eax+IDE_DATA.dma_hdd_channel_1], 1
		250	pop ecx eax
4291	mario79	251	jnz .nodma
		252
3742	clevermous	253	call cache_write_dma
		254	jmp .common
4700	mario79	255	;--------------------------------------
3742	clevermous	256	.nodma:
		257	mov [cache_chain_size], 1
		258	call cache_write_pio
4700	mario79	259	;--------------------------------------
3742	clevermous	260	.common:
		261	cmp [hd_error], 0
		262	jnz .fail
4700	mario79	263
3742	clevermous	264	movzx ecx, [cache_chain_size]
		265	mov eax, [numsectors]
		266	add [eax], ecx
		267	sub [sectors_todo], ecx
		268	jz .done
4700	mario79	269
3742	clevermous	270	add [edi], ecx
		271	jc .fail
4700	mario79	272
3742	clevermous	273	shl ecx, 9
		274	add esi, ecx
		275	jmp .sectors_loop
4700	mario79	276	;--------------------------------------
3742	clevermous	277	; 5. Loop is done, either due to error or because everything is done.
		278	; Release the global lock and return the corresponding status.
		279	.fail:
		280	mov ecx, [channel_lock]
		281	call mutex_unlock
4700	mario79	282
3742	clevermous	283	mov ecx, ide_mutex
		284	call mutex_unlock
4700	mario79	285
3742	clevermous	286	or eax, -1
		287	ret
4700	mario79	288	;--------------------------------------
3742	clevermous	289	.done:
		290	mov ecx, [channel_lock]
		291	call mutex_unlock
4700	mario79	292
3742	clevermous	293	mov ecx, ide_mutex
		294	call mutex_unlock
4700	mario79	295
3742	clevermous	296	xor eax, eax
		297	ret
		298	endp
4700	mario79	299	;-----------------------------------------------------------------------------
3742	clevermous	300	; This is a stub.
		301	proc ide_querymedia stdcall, hd_data, mediainfo
		302	mov eax, [mediainfo]
		303	mov [eax+DISKMEDIAINFO.Flags], 0
		304	mov [eax+DISKMEDIAINFO.SectorSize], 512
		305	or dword [eax+DISKMEDIAINFO.Capacity], 0xFFFFFFFF
		306	or dword [eax+DISKMEDIAINFO.Capacity+4], 0xFFFFFFFF
		307	xor eax, eax
		308	ret
		309	endp
3712	mario79	310	;-----------------------------------------------------------------------------
2288	clevermous	311	align 4
3742	clevermous	312	; input: eax = sector, edi -> buffer
		313	; output: edi = edi + 512
2288	clevermous	314	hd_read_pio:
		315	push eax edx
3712	mario79	316	; Select the desired drive
3702	mario79	317	mov edx, [hdbase]
		318	add edx, 6 ;адрес регистра головок
		319	mov al, byte [hdid]
		320	add al, 128+64+32
		321	out dx, al; номер головки/номер диска
3711	clevermous	322
2288	clevermous	323	call wait_for_hd_idle
4700	mario79	324
2288	clevermous	325	cmp [hd_error], 0
		326	jne hd_read_error
3702	mario79	327	; ATA with 28 or 48 bit for sector number?
		328	mov eax, [esp+4]
		329	cmp eax, 0x10000000
3711	clevermous	330	jae .lba48
3712	mario79	331	;--------------------------------------
3702	mario79	332	.lba28:
3706	mario79	333	pushfd
2288	clevermous	334	cli
		335	xor eax, eax
		336	mov edx, [hdbase]
		337	inc edx
3706	mario79	338	out dx, al ; ATA Features регистр "особенностей"
2288	clevermous	339	inc edx
		340	inc eax
3706	mario79	341	out dx, al ; ATA Sector Counter счётчик секторов
2288	clevermous	342	inc edx
3706	mario79	343	mov eax, [esp+4+4]
		344	out dx, al ; LBA Low LBA (7:0)
2288	clevermous	345	shr eax, 8
		346	inc edx
3706	mario79	347	out dx, al ; LBA Mid LBA (15:8)
2288	clevermous	348	shr eax, 8
		349	inc edx
3706	mario79	350	out dx, al ; LBA High LBA (23:16)
2288	clevermous	351	shr eax, 8
		352	inc edx
3706	mario79	353	and al, 1+2+4+8 ; LBA (27:24)
2288	clevermous	354	add al, byte [hdid]
		355	add al, 128+64+32
3706	mario79	356	out dx, al ; номер головки/номер диска
2288	clevermous	357	inc edx
3711	clevermous	358	mov al, 20h ; READ SECTOR(S)
3706	mario79	359	out dx, al ; ATACommand регистр команд
		360	popfd
3711	clevermous	361	jmp .continue
3712	mario79	362	;--------------------------------------
3702	mario79	363	.lba48:
3706	mario79	364	pushfd
3702	mario79	365	cli
		366	xor eax, eax
		367	mov edx, [hdbase]
		368	inc edx
		369	out dx, al ; Features Previous Reserved
		370	out dx, al ; Features Current Reserved
		371	inc edx
		372	out dx, al ; Sector Count Previous Sector count (15:8)
		373	inc eax
		374	out dx, al ; Sector Count Current Sector count (7:0)
		375	inc edx
3706	mario79	376	mov eax, [esp+4+4]
3711	clevermous	377	rol eax, 8
3702	mario79	378	out dx, al ; LBA Low Previous LBA (31:24)
3712	mario79	379	xor eax, eax ; because only 32 bit cache
3702	mario79	380	inc edx
		381	out dx, al ; LBA Mid Previous LBA (39:32)
		382	inc edx
		383	out dx, al ; LBA High Previous LBA (47:40)
3711	clevermous	384	sub edx, 2
3706	mario79	385	mov eax, [esp+4+4]
3702	mario79	386	out dx, al ; LBA Low Current LBA (7:0)
		387	shr eax, 8
		388	inc edx
		389	out dx, al ; LBA Mid Current LBA (15:8)
		390	shr eax, 8
		391	inc edx
		392	out dx, al ; LBA High Current LBA (23:16)
		393	inc edx
		394	mov al, byte [hdid]
		395	add al, 128+64+32
3712	mario79	396	out dx, al ; номер головки/номер диска
3702	mario79	397	inc edx
3711	clevermous	398	mov al, 24h ; READ SECTOR(S) EXT
3712	mario79	399	out dx, al ; ATACommand регистр команд
3706	mario79	400	popfd
3712	mario79	401	;--------------------------------------
3702	mario79	402	.continue:
2288	clevermous	403	call wait_for_sector_buffer
		404
		405	cmp [hd_error], 0
		406	jne hd_read_error
		407
3712	mario79	408	pushfd
2288	clevermous	409	cli
		410	mov ecx, 256
		411	mov edx, [hdbase]
		412	cld
		413	rep insw
3712	mario79	414	popfd
2288	clevermous	415
		416	pop edx eax
		417	ret
3712	mario79	418	;-----------------------------------------------------------------------------
2288	clevermous	419	align 4
3742	clevermous	420	; edi -> sector, esi -> data
2288	clevermous	421	cache_write_pio:
3712	mario79	422	; Select the desired drive
3702	mario79	423	mov edx, [hdbase]
		424	add edx, 6 ;адрес регистра головок
		425	mov al, byte [hdid]
		426	add al, 128+64+32
3712	mario79	427	out dx, al ; номер головки/номер диска
3702	mario79	428
2288	clevermous	429	call wait_for_hd_idle
4700	mario79	430
2288	clevermous	431	cmp [hd_error], 0
		432	jne hd_write_error
		433
3706	mario79	434	; ATA with 28 or 48 bit for sector number?
3742	clevermous	435	mov eax, [edi]
3706	mario79	436	cmp eax, 0x10000000
		437	jae .lba48
3712	mario79	438	;--------------------------------------
3706	mario79	439	.lba28:
		440	pushfd
2288	clevermous	441	cli
		442	xor eax, eax
		443	mov edx, [hdbase]
		444	inc edx
3706	mario79	445	out dx, al ; ATA Features регистр "особенностей"
2288	clevermous	446	inc edx
		447	inc eax
3706	mario79	448	out dx, al ; ATA Sector Counter счётчик секторов
2288	clevermous	449	inc edx
3742	clevermous	450	mov eax, [edi] ; eax = sector to write
3706	mario79	451	out dx, al ; LBA Low LBA (7:0)
2288	clevermous	452	shr eax, 8
		453	inc edx
3706	mario79	454	out dx, al ; LBA Mid LBA (15:8)
2288	clevermous	455	shr eax, 8
		456	inc edx
3706	mario79	457	out dx, al ; LBA High LBA (23:16)
2288	clevermous	458	shr eax, 8
		459	inc edx
3706	mario79	460	and al, 1+2+4+8 ; LBA (27:24)
2288	clevermous	461	add al, byte [hdid]
		462	add al, 128+64+32
3706	mario79	463	out dx, al ; номер головки/номер диска
2288	clevermous	464	inc edx
3706	mario79	465	mov al, 30h ; WRITE SECTOR(S)
		466	out dx, al ; ATACommand регистр команд
3711	clevermous	467	jmp .continue
3712	mario79	468	;--------------------------------------
3706	mario79	469	.lba48:
		470	pushfd
		471	cli
		472	xor eax, eax
		473	mov edx, [hdbase]
		474	inc edx
		475	out dx, al ; Features Previous Reserved
		476	out dx, al ; Features Current Reserved
		477	inc edx
		478	out dx, al ; Sector Count Previous Sector count (15:8)
		479	inc eax
		480	out dx, al ; Sector Count Current Sector count (7:0)
		481	inc edx
3742	clevermous	482	mov eax, [edi]
3711	clevermous	483	rol eax, 8
3706	mario79	484	out dx, al ; LBA Low Previous LBA (31:24)
3712	mario79	485	xor eax, eax ; because only 32 bit cache
3706	mario79	486	inc edx
		487	out dx, al ; LBA Mid Previous LBA (39:32)
		488	inc edx
		489	out dx, al ; LBA High Previous LBA (47:40)
3711	clevermous	490	sub edx, 2
3742	clevermous	491	mov eax, [edi]
3706	mario79	492	out dx, al ; LBA Low Current LBA (7:0)
		493	shr eax, 8
		494	inc edx
		495	out dx, al ; LBA Mid Current LBA (15:8)
		496	shr eax, 8
		497	inc edx
		498	out dx, al ; LBA High Current LBA (23:16)
		499	inc edx
		500	mov al, byte [hdid]
		501	add al, 128+64+32
3712	mario79	502	out dx, al ; номер головки/номер диска
3706	mario79	503	inc edx
3711	clevermous	504	mov al, 34h ; WRITE SECTOR(S) EXT
3712	mario79	505	out dx, al ; ATACommand регистр команд
		506	;--------------------------------------
3706	mario79	507	.continue:
3881	mario79	508	popfd
2288	clevermous	509	call wait_for_sector_buffer
		510
		511	cmp [hd_error], 0
		512	jne hd_write_error
		513
		514	push ecx esi
		515
3712	mario79	516	pushfd
2288	clevermous	517	cli
		518	mov ecx, 256
		519	mov edx, [hdbase]
		520	cld
		521	rep outsw
3712	mario79	522	popfd
2288	clevermous	523
		524	pop esi ecx
		525	ret
3712	mario79	526	;-----------------------------------------------------------------------------
		527	align 4
2288	clevermous	528	save_hd_wait_timeout:
		529	push eax
		530	mov eax, [timer_ticks]
		531	add eax, 300 ; 3 sec timeout
		532	mov [hd_wait_timeout], eax
		533	pop eax
		534	ret
3712	mario79	535	;-----------------------------------------------------------------------------
2288	clevermous	536	align 4
		537	check_hd_wait_timeout:
		538	push eax
		539	mov eax, [hd_wait_timeout]
		540	cmp [timer_ticks], eax
		541	jg hd_timeout_error
3712	mario79	542
2288	clevermous	543	pop eax
		544	mov [hd_error], 0
		545	ret
3712	mario79	546	;-----------------------------------------------------------------------------
2288	clevermous	547	hd_timeout_error:
3712	mario79	548	if lang eq sp
		549	DEBUGF 1,"K : FS - HD tiempo de espera agotado\n"
		550	else
		551	DEBUGF 1,"K : FS - HD timeout\n"
		552	end if
2288	clevermous	553	mov [hd_error], 1
		554	pop eax
		555	ret
3712	mario79	556	;-----------------------------------------------------------------------------
2288	clevermous	557	hd_read_error:
3712	mario79	558	if lang eq sp
		559	DEBUGF 1,"K : FS - HD error de lectura\n"
		560	else
		561	DEBUGF 1,"K : FS - HD read error\n"
		562	end if
2288	clevermous	563	pop edx eax
		564	ret
3712	mario79	565	;-----------------------------------------------------------------------------
		566	hd_write_error_dma:
		567	pop esi
2288	clevermous	568	hd_write_error:
3309	esevece	569	if lang eq sp
		570	DEBUGF 1,"K : FS - HD error de escritura\n"
		571	else
		572	DEBUGF 1,"K : FS - HD write error\n"
		573	end if
2288	clevermous	574	ret
3712	mario79	575	;-----------------------------------------------------------------------------
2288	clevermous	576	align 4
		577	wait_for_hd_idle:
		578	push eax edx
		579
		580	call save_hd_wait_timeout
		581
		582	mov edx, [hdbase]
		583	add edx, 0x7
3712	mario79	584	;--------------------------------------
		585	align 4
		586	wfhil1:
2288	clevermous	587	call check_hd_wait_timeout
4700	mario79	588
2288	clevermous	589	cmp [hd_error], 0
		590	jne @f
		591
		592	in al, dx
		593	test al, 128
		594	jnz wfhil1
4700	mario79	595	;--------------------------------------
3712	mario79	596	@@:
2288	clevermous	597	pop edx eax
		598	ret
3712	mario79	599	;-----------------------------------------------------------------------------
2288	clevermous	600	align 4
		601	wait_for_sector_buffer:
		602	push eax edx
		603
		604	mov edx, [hdbase]
		605	add edx, 0x7
		606
		607	call save_hd_wait_timeout
3712	mario79	608	;--------------------------------------
		609	align 4
		610	hdwait_sbuf: ; wait for sector buffer to be ready
2288	clevermous	611	call check_hd_wait_timeout
4700	mario79	612
2288	clevermous	613	cmp [hd_error], 0
		614	jne @f
		615
		616	in al, dx
		617	test al, 8
		618	jz hdwait_sbuf
		619
		620	mov [hd_error], 0
		621
		622	cmp [hd_setup], 1 ; do not mark error for setup request
		623	je buf_wait_ok
		624
		625	test al, 1 ; previous command ended up with an error
		626	jz buf_wait_ok
4700	mario79	627	;--------------------------------------
3712	mario79	628	@@:
2288	clevermous	629	mov [hd_error], 1
4700	mario79	630	;--------------------------------------
3712	mario79	631	buf_wait_ok:
2288	clevermous	632	pop edx eax
		633	ret
3712	mario79	634	;-----------------------------------------------------------------------------
3762	mario79	635	irq14_num equ byte 14
		636	irq15_num equ byte 15
		637	;-----------------------------------------------------------------------------
2288	clevermous	638	align 4
		639	wait_for_sector_dma_ide0:
		640	push eax
		641	push edx
		642	call save_hd_wait_timeout
3712	mario79	643	;--------------------------------------
		644	align 4
2288	clevermous	645	.wait:
		646	call change_task
4700	mario79	647
3870	mario79	648	cmp [IDE_common_irq_param], 0
		649	jz .done
3762	mario79	650
2288	clevermous	651	call check_hd_wait_timeout
4700	mario79	652
2288	clevermous	653	cmp [hd_error], 0
		654	jz .wait
4700	mario79	655
3762	mario79	656	mov [IDE_common_irq_param], 0
3881	mario79	657	;--------------------------------------
2288	clevermous	658	.done:
		659	pop edx
		660	pop eax
		661	ret
3712	mario79	662	;-----------------------------------------------------------------------------
2288	clevermous	663	align 4
		664	wait_for_sector_dma_ide1:
		665	push eax
		666	push edx
		667	call save_hd_wait_timeout
3712	mario79	668	;--------------------------------------
		669	align 4
2288	clevermous	670	.wait:
		671	call change_task
4700	mario79	672
3870	mario79	673	cmp [IDE_common_irq_param], 0
		674	jz .done
3762	mario79	675
2288	clevermous	676	call check_hd_wait_timeout
4700	mario79	677
2288	clevermous	678	cmp [hd_error], 0
		679	jz .wait
4700	mario79	680
3762	mario79	681	mov [IDE_common_irq_param], 0
3881	mario79	682	;--------------------------------------
2288	clevermous	683	.done:
		684	pop edx
		685	pop eax
		686	ret
3712	mario79	687	;-----------------------------------------------------------------------------
2288	clevermous	688	iglobal
		689	align 4
4700	mario79	690	; note that IDE descriptor table must be 4-byte aligned
		691	; and do not cross 4K boundary
2288	clevermous	692	IDE_descriptor_table:
3712	mario79	693	dd IDE_DMA
		694	dw 0x2000
		695	dw 0x8000
2288	clevermous	696
3712	mario79	697	dma_cur_sector dd not 40h
		698	dma_hdpos dd 0
3762	mario79	699	IDE_common_irq_param db 0
2288	clevermous	700	endg
3712	mario79	701	;-----------------------------------------------------------------------------
2288	clevermous	702	uglobal
		703	; all uglobals are zeroed at boot
3712	mario79	704	cache_chain_ptr dd 0
		705	cache_chain_size db 0
		706	allow_dma_access db 0
2288	clevermous	707	endg
3712	mario79	708	;-----------------------------------------------------------------------------
2288	clevermous	709	align 4
3870	mario79	710	IDE_irq_14_handler:
		711	cmp [IDE_common_irq_param], irq14_num
		712	jne .exit
		713
2288	clevermous	714	pushfd
		715	cli
		716	pushad
3870	mario79	717	mov [IDE_common_irq_param], 0
4700	mario79	718	mov ecx, [IDE_controller_pointer]
		719	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
4291	mario79	720	; test whether it is our interrupt?
		721	add edx, 2
		722	in al, dx
		723	test al, 100b
		724	jz @f
3881	mario79	725	; clear Bus Master IDE Status register
		726	; clear Interrupt bit
		727	out dx, al
4291	mario79	728	; clear Bus Master IDE Command register
		729	sub edx, 2
		730	xor eax, eax
		731	out dx, al
		732	; read status register and remove the interrupt request
		733	mov edx, [hdbase]
		734	add edx, 0x7
		735	in al, dx
3870	mario79	736	popad
		737	popfd
4291	mario79	738	mov al, 1
		739	ret
3881	mario79	740	;--------------------------------------
4291	mario79	741	@@:
		742	popad
		743	popfd
		744	;--------------------------------------
3870	mario79	745	.exit:
4291	mario79	746	mov al, 0
3870	mario79	747	ret
		748	;-----------------------------------------------------------------------------
2288	clevermous	749	align 4
3870	mario79	750	IDE_irq_15_handler:
		751	cmp [IDE_common_irq_param], irq15_num
		752	jne .exit
		753
		754	pushfd
		755	cli
		756	pushad
		757	mov [IDE_common_irq_param], 0
4700	mario79	758	mov ecx, [IDE_controller_pointer]
		759	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
2288	clevermous	760	add dx, 8
4291	mario79	761	; test whether it is our interrupt?
		762	add edx, 2
		763	in al, dx
		764	test al, 100b
		765	jz @f
3881	mario79	766	; clear Bus Master IDE Status register
		767	; clear Interrupt bit
		768	out dx, al
4291	mario79	769	; clear Bus Master IDE Command register
		770	sub edx, 2
		771	mov al, 0
		772	out dx, al
		773	; read status register and remove the interrupt request
		774	mov edx, [hdbase]
		775	add edx, 0x7
		776	in al, dx
3870	mario79	777	popad
		778	popfd
4291	mario79	779	mov al, 1
		780	ret
3881	mario79	781	;--------------------------------------
4291	mario79	782	@@:
		783	popad
		784	popfd
		785	;--------------------------------------
3870	mario79	786	.exit:
4291	mario79	787	mov al, 0
3870	mario79	788	ret
		789	;-----------------------------------------------------------------------------
		790	align 4
		791	IDE_common_irq_handler:
		792	cmp [IDE_common_irq_param], 0
		793	je .exit
		794
		795	pushfd
		796	cli
		797	pushad
		798	xor ebx, ebx
4700	mario79	799	mov ecx, [IDE_controller_pointer]
		800	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
3870	mario79	801	mov eax, IDE_common_irq_param
		802	cmp [eax], irq14_num
		803	mov [eax], bl
		804	je @f
		805
		806	add dx, 8
3762	mario79	807	;--------------------------------------
3870	mario79	808	@@:
4291	mario79	809	; test whether it is our interrupt?
		810	add edx, 2
		811	in al, dx
		812	test al, 100b
		813	jz @f
3881	mario79	814	; clear Bus Master IDE Status register
		815	; clear Interrupt bit
		816	out dx, al
4291	mario79	817	; clear Bus Master IDE Command register
		818	sub edx, 2
		819	xor eax, eax
		820	out dx, al
		821	; read status register and remove the interrupt request
		822	mov edx, [hdbase]
		823	add edx, 0x7
		824	in al, dx
2288	clevermous	825	popad
		826	popfd
4291	mario79	827	mov al, 1
		828	ret
3881	mario79	829	;--------------------------------------
4291	mario79	830	@@:
		831	popad
		832	popfd
		833	;--------------------------------------
3870	mario79	834	.exit:
4291	mario79	835	mov al, 0
2288	clevermous	836	ret
3712	mario79	837	;-----------------------------------------------------------------------------
2288	clevermous	838	align 4
		839	hd_read_dma:
		840	push eax
		841	push edx
		842	mov edx, [dma_hdpos]
		843	cmp edx, [hdpos]
		844	jne .notread
4700	mario79	845
2288	clevermous	846	mov edx, [dma_cur_sector]
		847	cmp eax, edx
		848	jb .notread
4700	mario79	849
2288	clevermous	850	add edx, 15
		851	cmp [esp+4], edx
		852	ja .notread
4700	mario79	853
2288	clevermous	854	mov eax, [esp+4]
		855	sub eax, [dma_cur_sector]
		856	shl eax, 9
		857	add eax, (OS_BASE+IDE_DMA)
4700	mario79	858
3742	clevermous	859	push ecx esi
2288	clevermous	860	mov esi, eax
		861	mov ecx, 512/4
		862	cld
		863	rep movsd
3742	clevermous	864	pop esi ecx
4700	mario79	865
2288	clevermous	866	pop edx
		867	pop eax
		868	ret
4700	mario79	869	;--------------------------------------
2288	clevermous	870	.notread:
3870	mario79	871	; set data for PRD Table
2288	clevermous	872	mov eax, IDE_descriptor_table
		873	mov dword [eax], IDE_DMA
		874	mov word [eax+4], 0x2000
		875	sub eax, OS_BASE
3870	mario79	876	; select controller Primary or Secondary
4720	mario79	877	mov ecx, [IDE_controller_pointer]
4700	mario79	878	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
		879
3774	mario79	880	push eax
4700	mario79	881	mov eax, [hdpos]
		882	dec eax
		883	test eax, 10b
3774	mario79	884	pop eax
2288	clevermous	885	jz @f
4700	mario79	886
2288	clevermous	887	add edx, 8
4700	mario79	888	;--------------------------------------
2288	clevermous	889	@@:
		890	push edx
3870	mario79	891	; Bus Master IDE PRD Table Address
2288	clevermous	892	add edx, 4
3870	mario79	893	; save IDE_descriptor_table
2288	clevermous	894	out dx, eax
		895	pop edx
3870	mario79	896	; clear Bus Master IDE Command register
2288	clevermous	897	mov al, 0
		898	out dx, al
3870	mario79	899	; clear Bus Master IDE Status register
		900	; clear Error bit and Interrupt bit
2288	clevermous	901	add edx, 2
3870	mario79	902	mov al, 6 ; 110b
2288	clevermous	903	out dx, al
3712	mario79	904	; Select the desired drive
		905	mov edx, [hdbase]
		906	add edx, 6 ; адрес регистра головок
		907	mov al, byte [hdid]
		908	add al, 128+64+32
		909	out dx, al ; номер головки/номер диска
		910
2288	clevermous	911	call wait_for_hd_idle
4700	mario79	912
2288	clevermous	913	cmp [hd_error], 0
		914	jnz hd_read_error
3712	mario79	915	; ATA with 28 or 48 bit for sector number?
		916	mov eax, [esp+4]
		917	; -10h because the PreCache hits the boundary between lba28 and lba48
		918	; 10h = 16 - size of PreCache
		919	cmp eax, 0x10000000-10h
		920	jae .lba48
		921	;--------------------------------------
		922	.lba28:
		923	pushfd
		924	cli
2288	clevermous	925	xor eax, eax
		926	mov edx, [hdbase]
		927	inc edx
3712	mario79	928	out dx, al ; ATA Features регистр "особенностей"
2288	clevermous	929	inc edx
3712	mario79	930	mov eax, 10h ; Sector Counter = 16 ; PreCache
		931	out dx, al ; ATA Sector Counter счётчик секторов
2288	clevermous	932	inc edx
3712	mario79	933	mov eax, [esp+4+4]
		934	out dx, al ; LBA Low LBA (7:0)
2288	clevermous	935	shr eax, 8
		936	inc edx
3712	mario79	937	out dx, al ; LBA Mid LBA (15:8)
2288	clevermous	938	shr eax, 8
		939	inc edx
3712	mario79	940	out dx, al ; LBA High LBA (23:16)
2288	clevermous	941	shr eax, 8
		942	inc edx
3712	mario79	943	and al, 0xF ; LBA (27:24)
2288	clevermous	944	add al, byte [hdid]
		945	add al, 11100000b
3712	mario79	946	out dx, al ; номер головки/номер диска
2288	clevermous	947	inc edx
3712	mario79	948	mov al, 0xC8 ; READ DMA
		949	out dx, al ; ATACommand регистр команд
		950	jmp .continue
		951	;--------------------------------------
		952	.lba48:
		953	pushfd
		954	cli
		955	xor eax, eax
		956	mov edx, [hdbase]
		957	inc edx
		958	out dx, al ; Features Previous Reserved
		959	out dx, al ; Features Current Reserved
		960	inc edx
		961	out dx, al ; Sector Count Previous Sector count (15:8)
		962	mov eax, 10h ; Sector Counter = 16 PreCache
		963	out dx, al ; Sector Count Current Sector count (7:0)
		964	inc edx
		965	mov eax, [esp+4+4]
		966	rol eax, 8
		967	out dx, al ; LBA Low Previous LBA (31:24)
		968	xor eax, eax ; because only 32 bit cache
		969	inc edx
		970	out dx, al ; LBA Mid Previous LBA (39:32)
		971	inc edx
		972	out dx, al ; LBA High Previous LBA (47:40)
		973	sub edx, 2
		974	mov eax, [esp+4+4]
		975	out dx, al ; LBA Low Current LBA (7:0)
		976	shr eax, 8
		977	inc edx
		978	out dx, al ; LBA Mid Current LBA (15:8)
		979	shr eax, 8
		980	inc edx
		981	out dx, al ; LBA High Current LBA (23:16)
		982	inc edx
		983	mov al, byte [hdid]
		984	add al, 128+64+32
		985	out dx, al ; номер головки/номер диска
		986	inc edx
		987	mov al, 25h ; READ DMA EXT
		988	out dx, al ; ATACommand регистр команд
		989	;--------------------------------------
		990	.continue:
3870	mario79	991	; select controller Primary or Secondary
4700	mario79	992	mov ecx, [IDE_controller_pointer]
		993	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
		994
		995	mov eax, [hdpos]
		996	dec eax
		997	test eax, 10b
2288	clevermous	998	jz @f
4700	mario79	999
2288	clevermous	1000	add dx, 8
4700	mario79	1001	;--------------------------------------
2288	clevermous	1002	@@:
3870	mario79	1003	; set write to memory and Start Bus Master
2288	clevermous	1004	mov al, 9
		1005	out dx, al
3870	mario79	1006
4700	mario79	1007	mov eax, [hdpos]
		1008	dec eax
		1009	test eax, 10b
2288	clevermous	1010	jnz .ide1
3762	mario79	1011
		1012	mov [IDE_common_irq_param], irq14_num
2288	clevermous	1013	jmp @f
4700	mario79	1014	;--------------------------------------
2288	clevermous	1015	.ide1:
3762	mario79	1016	mov [IDE_common_irq_param], irq15_num
4700	mario79	1017	;--------------------------------------
2288	clevermous	1018	@@:
3712	mario79	1019	popfd
3870	mario79	1020	; wait for interrupt
4700	mario79	1021	mov eax, [hdpos]
		1022	dec eax
		1023	test eax, 10b
2288	clevermous	1024	jnz .wait_ide1
4700	mario79	1025
2288	clevermous	1026	call wait_for_sector_dma_ide0
		1027	jmp @f
4700	mario79	1028	;--------------------------------------
2288	clevermous	1029	.wait_ide1:
		1030	call wait_for_sector_dma_ide1
4700	mario79	1031	;--------------------------------------
2288	clevermous	1032	@@:
		1033	cmp [hd_error], 0
		1034	jnz hd_read_error
4700	mario79	1035
2288	clevermous	1036	mov eax, [hdpos]
		1037	mov [dma_hdpos], eax
		1038	pop edx
		1039	pop eax
4700	mario79	1040
2288	clevermous	1041	mov [dma_cur_sector], eax
		1042	jmp hd_read_dma
3712	mario79	1043	;-----------------------------------------------------------------------------
3742	clevermous	1044	cache_write_dma:
3881	mario79	1045	mov eax, [cache_chain_ptr] ; for what?
2288	clevermous	1046	push esi
3881	mario79	1047	; set data for PRD Table
2288	clevermous	1048	mov eax, IDE_descriptor_table
		1049	mov edx, eax
4700	mario79	1050
2288	clevermous	1051	pusha
		1052	mov edi, (OS_BASE+IDE_DMA)
		1053	mov dword [edx], IDE_DMA
		1054	movzx ecx, [cache_chain_size]
		1055	shl ecx, 9
		1056	mov word [edx+4], cx
		1057	shr ecx, 2
		1058	cld
		1059	rep movsd
		1060	popa
4700	mario79	1061
2288	clevermous	1062	sub eax, OS_BASE
3881	mario79	1063	; select controller Primary or Secondary
4720	mario79	1064	mov ecx, [IDE_controller_pointer]
4700	mario79	1065	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
		1066
3774	mario79	1067	push eax
4700	mario79	1068	mov eax, [hdpos]
		1069	dec eax
		1070	test eax, 10b
3774	mario79	1071	pop eax
2288	clevermous	1072	jz @f
4700	mario79	1073
2288	clevermous	1074	add edx, 8
4700	mario79	1075	;--------------------------------------
2288	clevermous	1076	@@:
		1077	push edx
3881	mario79	1078	; Bus Master IDE PRD Table Address
2288	clevermous	1079	add edx, 4
3881	mario79	1080	; save IDE_descriptor_table
2288	clevermous	1081	out dx, eax
		1082	pop edx
3881	mario79	1083	; clear Bus Master IDE Command register
2288	clevermous	1084	mov al, 0
		1085	out dx, al
3881	mario79	1086	; clear Bus Master IDE Status register
		1087	; clear Error bit and Interrupt bit
2288	clevermous	1088	add edx, 2
		1089	mov al, 6
		1090	out dx, al
3712	mario79	1091	; Select the desired drive
		1092	mov edx, [hdbase]
		1093	add edx, 6 ; адрес регистра головок
		1094	mov al, byte [hdid]
		1095	add al, 128+64+32
		1096	out dx, al ; номер головки/номер диска
		1097
2288	clevermous	1098	call wait_for_hd_idle
4700	mario79	1099
2288	clevermous	1100	cmp [hd_error], 0
		1101	jnz hd_write_error_dma
3712	mario79	1102	; ATA with 28 or 48 bit for sector number?
		1103	mov esi, [cache_chain_ptr]
		1104	mov eax, [esi]
		1105	; -40h because the PreCache hits the boundary between lba28 and lba48
		1106	; 40h = 64 - the maximum number of sectors to be written for one command
		1107	cmp eax, 0x10000000-40h
		1108	jae .lba48
		1109	;--------------------------------------
		1110	.lba28:
		1111	pushfd
		1112	cli
2288	clevermous	1113	xor eax, eax
		1114	mov edx, [hdbase]
		1115	inc edx
3712	mario79	1116	out dx, al ; ATA Features регистр "особенностей"
2288	clevermous	1117	inc edx
3712	mario79	1118	mov al, [cache_chain_size] ; Sector Counter
		1119	out dx, al ; ATA Sector Counter счётчик секторов
2288	clevermous	1120	inc edx
		1121	mov eax, [esi]
3712	mario79	1122	out dx, al ; LBA Low LBA (7:0)
2288	clevermous	1123	shr eax, 8
		1124	inc edx
3712	mario79	1125	out dx, al ; LBA Mid LBA (15:8)
2288	clevermous	1126	shr eax, 8
		1127	inc edx
3712	mario79	1128	out dx, al ; LBA High LBA (23:16)
2288	clevermous	1129	shr eax, 8
		1130	inc edx
3712	mario79	1131	and al, 0xF ; LBA (27:24)
2288	clevermous	1132	add al, byte [hdid]
		1133	add al, 11100000b
3712	mario79	1134	out dx, al ; номер головки/номер диска
2288	clevermous	1135	inc edx
3712	mario79	1136	mov al, 0xCA ; WRITE DMA
		1137	out dx, al ; ATACommand регистр команд
		1138	jmp .continue
		1139	;--------------------------------------
		1140	.lba48:
		1141	pushfd
		1142	cli
		1143	xor eax, eax
		1144	mov edx, [hdbase]
		1145	inc edx
		1146	out dx, al ; Features Previous Reserved
		1147	out dx, al ; Features Current Reserved
		1148	inc edx
		1149	out dx, al ; Sector Count Previous Sector count (15:8)
		1150	mov al, [cache_chain_size] ; Sector Counter
		1151	out dx, al ; Sector Count Current Sector count (7:0)
		1152	inc edx
		1153	mov eax, [esi]
		1154	rol eax, 8
		1155	out dx, al ; LBA Low Previous LBA (31:24)
		1156	xor eax, eax ; because only 32 bit cache
		1157	inc edx
		1158	out dx, al ; LBA Mid Previous LBA (39:32)
		1159	inc edx
		1160	out dx, al ; LBA High Previous LBA (47:40)
		1161	sub edx, 2
		1162	mov eax, [esi]
		1163	out dx, al ; LBA Low Current LBA (7:0)
		1164	shr eax, 8
		1165	inc edx
		1166	out dx, al ; LBA Mid Current LBA (15:8)
		1167	shr eax, 8
		1168	inc edx
		1169	out dx, al ; LBA High Current LBA (23:16)
		1170	inc edx
		1171	mov al, byte [hdid]
		1172	add al, 128+64+32
		1173	out dx, al ; номер головки/номер диска
		1174	inc edx
		1175	mov al, 35h ; WRITE DMA EXT
		1176	out dx, al ; ATACommand регистр команд
		1177	;--------------------------------------
		1178	.continue:
3881	mario79	1179	; select controller Primary or Secondary
4700	mario79	1180	mov ecx, [IDE_controller_pointer]
		1181	mov dx, [ecx+IDE_DATA.RegsBaseAddres]
		1182
		1183	mov eax, [hdpos]
		1184	dec eax
		1185	test eax, 10b
2288	clevermous	1186	jz @f
4700	mario79	1187
2288	clevermous	1188	add dx, 8
4700	mario79	1189	;--------------------------------------
2288	clevermous	1190	@@:
3881	mario79	1191	; set write to device and Start Bus Master
2288	clevermous	1192	mov al, 1
		1193	out dx, al
4700	mario79	1194
		1195	mov eax, [hdpos]
		1196	dec eax
		1197	test eax, 10b
2288	clevermous	1198	jnz .ide1
3762	mario79	1199
		1200	mov [IDE_common_irq_param], irq14_num
2288	clevermous	1201	jmp @f
4700	mario79	1202	;--------------------------------------
2288	clevermous	1203	.ide1:
3762	mario79	1204	mov [IDE_common_irq_param], irq15_num
4700	mario79	1205	;--------------------------------------
2288	clevermous	1206	@@:
3712	mario79	1207	popfd
3881	mario79	1208	; wait for interrupt
2288	clevermous	1209	mov [dma_cur_sector], not 0x40
4700	mario79	1210
		1211	mov eax, [hdpos]
		1212	dec eax
		1213	test eax, 10b
2288	clevermous	1214	jnz .wait_ide1
4700	mario79	1215
2288	clevermous	1216	call wait_for_sector_dma_ide0
4700	mario79	1217
2288	clevermous	1218	jmp @f
4700	mario79	1219	;--------------------------------------
2288	clevermous	1220	.wait_ide1:
		1221	call wait_for_sector_dma_ide1
4700	mario79	1222	;--------------------------------------
2288	clevermous	1223	@@:
		1224	cmp [hd_error], 0
		1225	jnz hd_write_error_dma
		1226	pop esi
		1227	ret
3712	mario79	1228	;-----------------------------------------------------------------------------
4578	clevermous	1229	proc clear_pci_ide_interrupts
		1230	mov esi, pcidev_list
4700	mario79	1231	;--------------------------------------
		1232	align 4
4578	clevermous	1233	.loop:
		1234	mov esi, [esi+PCIDEV.fd]
		1235	cmp esi, pcidev_list
		1236	jz .done
4700	mario79	1237
4720	mario79	1238	; cmp [esi+PCIDEV.class], 0x01018F
		1239	mov eax, [esi+PCIDEV.class]
		1240	shr eax, 4
		1241	cmp eax, 0x01018
4578	clevermous	1242	jnz .loop
4700	mario79	1243
4578	clevermous	1244	mov ah, [esi+PCIDEV.bus]
		1245	mov al, 2
		1246	mov bh, [esi+PCIDEV.devfn]
		1247	mov bl, 0x20
		1248	call pci_read_reg
4700	mario79	1249
4578	clevermous	1250	and eax, 0FFFCh
		1251	mov edx, eax
		1252	add edx, 2
		1253	in al, dx
		1254	DEBUGF 1,'K : clear_pci_ide_interrupts: port[%x] = %x ',dx,al
		1255	out dx, al
		1256	in al, dx
		1257	DEBUGF 1,'-> %x; ',al
		1258	add edx, 8
		1259	in al, dx
		1260	DEBUGF 1,'port[%x] = %x ',dx,al
		1261	out dx, al
		1262	in al, dx
		1263	DEBUGF 1,'-> %x\n',al
		1264	jmp .loop
4700	mario79	1265	;--------------------------------------
4578	clevermous	1266	.done:
		1267	ret
		1268	endp
4700	mario79	1269	;-----------------------------------------------------------------------------

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(root)/kernel/trunk/blkdev/hd_drv.inc – Rev 4720