WebSVN – Kolibri OS – Blame – /kernel/branches/net/blkdev/ide_cache.inc

Rev	Author	Line No.	Line
750	victor	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2540	hidnplayr	3	;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
750	victor	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
580	mario79	8	;**************************************************************************
		9	;
		10	; [cache_ide[X]_pointer]
		11	; or [cache_ide[X]_data_pointer] first entry in cache list
		12	;
		13	; +0 - lba sector
		14	; +4 - state of cache sector
		15	; 0 = empty
		16	; 1 = used for read ( same as in hd )
		17	; 2 = used for write ( differs from hd )
		18	;
		19	; [cache_ide[X]_system_data]
		20	; or [cache_ide[x]_appl_data] - cache entries
		21	;
		22	;**************************************************************************
593	mikedld	23
2540	hidnplayr	24	$Revision $
593	mikedld	25
		26
580	mario79	27	align 4
		28	write_cache:
		29	;-----------------------------------------------------------
		30	; write all changed sectors to disk
		31	;-----------------------------------------------------------
2382	hidnplayr	32	push eax ecx edx esi edi
580	mario79	33
		34	; write difference ( 2 ) from cache to hd
2382	hidnplayr	35	call calculate_cache
		36	add esi, 8
		37	mov edi, 1
585	mario79	38	write_cache_more:
2382	hidnplayr	39	cmp dword [esi+4], 2; if cache slot is not different
		40	jne .write_chain
		41	mov dword [esi+4], 1; same as in hd
		42	mov eax, [esi] ; eax = sector to write
		43	cmp eax, [PARTITION_START]
		44	jb danger
		45	cmp eax, [PARTITION_END]
		46	ja danger
709	diamond	47	cmp [hdpos], 0x80
		48	jae @f
580	mario79	49	; DMA write is permitted only if [allow_dma_access]=1
2382	hidnplayr	50	cmp [allow_dma_access], 2
		51	jae .nodma
		52	cmp [dma_hdd], 1
		53	jnz .nodma
709	diamond	54	@@:
580	mario79	55	; ��ꥤ��塞 �� 楯�窨 ��᫥��⥫�� ᥪ�஢ � �� 饭��
2382	hidnplayr	56	cmp ecx, 1
		57	jz .nonext
		58	cmp dword [esi+8+4], 2
		59	jnz .nonext
		60	push eax
		61	inc eax
		62	cmp eax, [esi+8]
		63	pop eax
		64	jnz .nonext
		65	cmp [cache_chain_started], 1
		66	jz @f
		67	mov [cache_chain_started], 1
		68	mov [cache_chain_size], 0
		69	mov [cache_chain_pos], edi
		70	mov [cache_chain_ptr], esi
580	mario79	71	@@:
2382	hidnplayr	72	inc [cache_chain_size]
		73	cmp [cache_chain_size], 16
		74	jnz .continue
		75	jmp .write_chain
580	mario79	76	.nonext:
2382	hidnplayr	77	call flush_cache_chain
		78	mov [cache_chain_size], 1
		79	mov [cache_chain_ptr], esi
		80	call write_cache_sector
		81	jmp .continue
580	mario79	82	.nodma:
2382	hidnplayr	83	call cache_write_pio
580	mario79	84	.write_chain:
2382	hidnplayr	85	call flush_cache_chain
580	mario79	86	.continue:
585	mario79	87	danger:
2382	hidnplayr	88	add esi, 8
		89	inc edi
		90	dec ecx
		91	jnz write_cache_more
		92	call flush_cache_chain
580	mario79	93	return_02:
2382	hidnplayr	94	pop edi esi edx ecx eax
		95	ret
580	mario79	96
		97	flush_cache_chain:
2382	hidnplayr	98	cmp [cache_chain_started], 0
		99	jz @f
		100	call write_cache_chain
		101	mov [cache_chain_started], 0
580	mario79	102	@@:
2382	hidnplayr	103	ret
585	mario79	104	;--------------------------------------------------------------------
580	mario79	105	align 4
		106	find_empty_slot:
		107	;-----------------------------------------------------------
		108	; find empty or read slot, flush cache if next 10% is used by write
		109	; output : edi = cache slot
		110	;-----------------------------------------------------------
		111	; push ecx esi
		112
585	mario79	113	search_again:
2382	hidnplayr	114	call calculate_cache_3
		115	shr ecx, 3
585	mario79	116	search_for_empty:
2382	hidnplayr	117	inc edi
		118	call calculate_cache_4
		119	jbe inside_cache
		120	mov edi, 1
585	mario79	121	inside_cache:
2382	hidnplayr	122	push esi
		123	call calculate_cache_1
		124	cmp dword [edi*8+esi+4], 2
		125	pop esi
		126	jb found_slot ; it's empty or read
		127	dec ecx
		128	jnz search_for_empty
		129	call write_cache ; no empty slots found, write all
		130	cmp [hd_error], 0
		131	jne found_slot_access_denied
		132	jmp search_again ; and start again
585	mario79	133	found_slot:
2382	hidnplayr	134	call calculate_cache_5
585	mario79	135	found_slot_access_denied:
2382	hidnplayr	136	ret
585	mario79	137	;--------------------------------------------------------------------
580	mario79	138	align 4
		139	clear_hd_cache:
2382	hidnplayr	140	mov [fat_in_cache], -1
		141	mov [fat_change], 0
		142	ret
580	mario79	143	;--------------------------------------------------------------------
		144	align 4
		145	calculate_cache:
		146	; mov ecx,cache_max ; entries in cache
		147	; mov esi,HD_CACHE+8
		148
		149	; 1 - IDE0 ... 4 - IDE3
		150	.ide0:
2382	hidnplayr	151	cmp [hdpos], 1
		152	jne .ide1
		153	cmp [hdd_appl_data], 0
		154	jne .ide0_appl_data
		155	mov ecx, [cache_ide0_system_sad_size]
		156	mov esi, [cache_ide0_pointer]
		157	ret
580	mario79	158	.ide0_appl_data:
2382	hidnplayr	159	mov ecx, [cache_ide0_appl_sad_size]
		160	mov esi, [cache_ide0_data_pointer]
		161	ret
580	mario79	162	.ide1:
2382	hidnplayr	163	cmp [hdpos], 2
		164	jne .ide2
		165	cmp [hdd_appl_data], 0
		166	jne .ide1_appl_data
		167	mov ecx, [cache_ide1_system_sad_size]
		168	mov esi, [cache_ide1_pointer]
		169	ret
580	mario79	170	.ide1_appl_data:
2382	hidnplayr	171	mov ecx, [cache_ide1_appl_sad_size]
		172	mov esi, [cache_ide1_data_pointer]
		173	ret
580	mario79	174	.ide2:
2382	hidnplayr	175	cmp [hdpos], 3
		176	jne .ide3
		177	cmp [hdd_appl_data], 0
		178	jne .ide2_appl_data
		179	mov ecx, [cache_ide2_system_sad_size]
		180	mov esi, [cache_ide2_pointer]
		181	ret
580	mario79	182	.ide2_appl_data:
2382	hidnplayr	183	mov ecx, [cache_ide2_appl_sad_size]
		184	mov esi, [cache_ide2_data_pointer]
		185	ret
580	mario79	186	.ide3:
2382	hidnplayr	187	cmp [hdpos], 4
		188	jne .noide
		189	cmp [hdd_appl_data], 0
		190	jne .ide3_appl_data
		191	mov ecx, [cache_ide3_system_sad_size]
		192	mov esi, [cache_ide3_pointer]
		193	ret
580	mario79	194	.ide3_appl_data:
2382	hidnplayr	195	mov ecx, [cache_ide3_appl_sad_size]
		196	mov esi, [cache_ide3_data_pointer]
		197	ret
709	diamond	198	.noide:
2382	hidnplayr	199	push eax
		200	mov eax, [hdpos]
		201	sub eax, 80h
		202	cmp byte [BiosDisksData+eax*4+2], -1
		203	jz @f
		204	movzx eax, byte [BiosDisksData+eax*4+2]
		205	imul eax, cache_ide1-cache_ide0
		206	add eax, cache_ide0
		207	jmp .get
709	diamond	208	@@:
2382	hidnplayr	209	imul eax, cache_ide1-cache_ide0
		210	add eax, BiosDiskCaches
709	diamond	211	.get:
2382	hidnplayr	212	cmp [hdd_appl_data], 0
		213	jne .bd_appl_data
		214	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		215	mov esi, [cache_ide0_pointer-cache_ide0+eax]
		216	pop eax
		217	ret
709	diamond	218	.bd_appl_data:
2382	hidnplayr	219	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		220	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
		221	pop eax
		222	ret
580	mario79	223	;--------------------------------------------------------------------
		224	align 4
		225	calculate_cache_1:
		226	; lea esi,[edi*8+HD_CACHE]
		227	; 1 - IDE0 ... 4 - IDE3
		228	.ide0:
2382	hidnplayr	229	cmp [hdpos], 1
		230	jne .ide1
		231	cmp [hdd_appl_data], 0
		232	jne .ide0_appl_data
		233	mov esi, [cache_ide0_pointer]
		234	ret
580	mario79	235	.ide0_appl_data:
2382	hidnplayr	236	mov esi, [cache_ide0_data_pointer]
		237	ret
580	mario79	238	.ide1:
2382	hidnplayr	239	cmp [hdpos], 2
		240	jne .ide2
		241	cmp [hdd_appl_data], 0
		242	jne .ide1_appl_data
		243	mov esi, [cache_ide1_pointer]
		244	ret
580	mario79	245	.ide1_appl_data:
2382	hidnplayr	246	mov esi, [cache_ide1_data_pointer]
		247	ret
580	mario79	248	.ide2:
2382	hidnplayr	249	cmp [hdpos], 3
		250	jne .ide3
		251	cmp [hdd_appl_data], 0
		252	jne .ide2_appl_data
		253	mov esi, [cache_ide2_pointer]
		254	ret
580	mario79	255	.ide2_appl_data:
2382	hidnplayr	256	mov esi, [cache_ide2_data_pointer]
		257	ret
580	mario79	258	.ide3:
2382	hidnplayr	259	cmp [hdpos], 4
		260	jne .noide
		261	cmp [hdd_appl_data], 0
		262	jne .ide3_appl_data
		263	mov esi, [cache_ide3_pointer]
		264	ret
580	mario79	265	.ide3_appl_data:
2382	hidnplayr	266	mov esi, [cache_ide3_data_pointer]
		267	ret
709	diamond	268	.noide:
2382	hidnplayr	269	push eax
		270	mov eax, [hdpos]
		271	sub eax, 80h
		272	cmp byte [BiosDisksData+eax*4+2], -1
		273	jz @f
		274	movzx eax, byte [BiosDisksData+eax*4+2]
		275	imul eax, cache_ide1-cache_ide0
		276	add eax, cache_ide0
		277	jmp .get
709	diamond	278	@@:
2382	hidnplayr	279	imul eax, cache_ide1-cache_ide0
		280	add eax, BiosDiskCaches
709	diamond	281	.get:
2382	hidnplayr	282	cmp [hdd_appl_data], 0
		283	jne .bd_appl_data
		284	mov esi, [cache_ide0_pointer-cache_ide0+eax]
		285	pop eax
		286	ret
709	diamond	287	.bd_appl_data:
2382	hidnplayr	288	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
		289	pop eax
		290	ret
709	diamond	291
580	mario79	292	;--------------------------------------------------------------------
		293	align 4
		294	calculate_cache_2:
		295	; add esi,HD_CACHE+65536
		296	; 1 - IDE0 ... 4 - IDE3
		297	.ide0:
2382	hidnplayr	298	cmp [hdpos], 1
		299	jne .ide1
		300	cmp [hdd_appl_data], 0
		301	jne .ide0_appl_data
		302	mov eax, [cache_ide0_system_data]
		303	ret
580	mario79	304	.ide0_appl_data:
2382	hidnplayr	305	mov eax, [cache_ide0_appl_data]
		306	ret
580	mario79	307	.ide1:
2382	hidnplayr	308	cmp [hdpos], 2
		309	jne .ide2
		310	cmp [hdd_appl_data], 0
		311	jne .ide1_appl_data
		312	mov eax, [cache_ide1_system_data]
		313	ret
580	mario79	314	.ide1_appl_data:
2382	hidnplayr	315	mov eax, [cache_ide1_appl_data]
		316	ret
580	mario79	317	.ide2:
2382	hidnplayr	318	cmp [hdpos], 3
		319	jne .ide3
		320	cmp [hdd_appl_data], 0
		321	jne .ide2_appl_data
		322	mov eax, [cache_ide2_system_data]
		323	ret
580	mario79	324	.ide2_appl_data:
2382	hidnplayr	325	mov eax, [cache_ide2_appl_data]
		326	ret
580	mario79	327	.ide3:
2382	hidnplayr	328	cmp [hdpos], 4
		329	jne .noide
		330	cmp [hdd_appl_data], 0
		331	jne .ide3_appl_data
		332	mov eax, [cache_ide3_system_data]
		333	ret
580	mario79	334	.ide3_appl_data:
2382	hidnplayr	335	mov eax, [cache_ide3_appl_data]
		336	ret
709	diamond	337	.noide:
2382	hidnplayr	338	mov eax, [hdpos]
		339	sub eax, 80h
		340	cmp byte [BiosDisksData+eax*4+2], -1
		341	jz @f
		342	movzx eax, byte [BiosDisksData+eax*4+2]
		343	imul eax, cache_ide1-cache_ide0
		344	add eax, cache_ide0
		345	jmp .get
709	diamond	346	@@:
2382	hidnplayr	347	imul eax, cache_ide1-cache_ide0
		348	add eax, BiosDiskCaches
709	diamond	349	.get:
2382	hidnplayr	350	cmp [hdd_appl_data], 0
		351	jne .bd_appl_data
		352	mov eax, [cache_ide0_system_data-cache_ide0+eax]
		353	ret
709	diamond	354	.bd_appl_data:
2382	hidnplayr	355	mov eax, [cache_ide0_appl_data-cache_ide0+eax]
		356	ret
580	mario79	357	;--------------------------------------------------------------------
		358	align 4
		359	calculate_cache_3:
		360	; mov ecx,cache_max*10/100
		361	; mov edi,[cache_search_start]
		362
		363	; 1 - IDE0 ... 4 - IDE3
		364	.ide0:
2382	hidnplayr	365	cmp [hdpos], 1
		366	jne .ide1
		367	cmp [hdd_appl_data], 0
		368	jne .ide0_appl_data
		369	mov ecx, [cache_ide0_system_sad_size]
		370	mov edi, [cache_ide0_search_start]
		371	ret
580	mario79	372	.ide0_appl_data:
2382	hidnplayr	373	mov ecx, [cache_ide0_appl_sad_size]
		374	mov edi, [cache_ide0_appl_search_start]
		375	ret
580	mario79	376	.ide1:
2382	hidnplayr	377	cmp [hdpos], 2
		378	jne .ide2
		379	cmp [hdd_appl_data], 0
		380	jne .ide1_appl_data
		381	mov ecx, [cache_ide1_system_sad_size]
		382	mov edi, [cache_ide1_search_start]
		383	ret
580	mario79	384	.ide1_appl_data:
2382	hidnplayr	385	mov ecx, [cache_ide1_appl_sad_size]
		386	mov edi, [cache_ide1_appl_search_start]
		387	ret
580	mario79	388	.ide2:
2382	hidnplayr	389	cmp [hdpos], 3
		390	jne .ide3
		391	cmp [hdd_appl_data], 0
		392	jne .ide2_appl_data
		393	mov ecx, [cache_ide2_system_sad_size]
		394	mov edi, [cache_ide2_search_start]
		395	ret
580	mario79	396	.ide2_appl_data:
2382	hidnplayr	397	mov ecx, [cache_ide2_appl_sad_size]
		398	mov edi, [cache_ide2_appl_search_start]
		399	ret
580	mario79	400	.ide3:
2382	hidnplayr	401	cmp [hdpos], 4
		402	jne .noide
		403	cmp [hdd_appl_data], 0
		404	jne .ide3_appl_data
		405	mov ecx, [cache_ide3_system_sad_size]
		406	mov edi, [cache_ide3_search_start]
		407	ret
580	mario79	408	.ide3_appl_data:
2382	hidnplayr	409	mov ecx, [cache_ide3_appl_sad_size]
		410	mov edi, [cache_ide3_appl_search_start]
		411	ret
709	diamond	412	.noide:
2382	hidnplayr	413	push eax
		414	mov eax, [hdpos]
		415	sub eax, 80h
		416	cmp byte [BiosDisksData+eax*4+2], -1
		417	jz @f
		418	movzx eax, byte [BiosDisksData+eax*4+2]
		419	imul eax, cache_ide1-cache_ide0
		420	add eax, cache_ide0
		421	jmp .get
709	diamond	422	@@:
2382	hidnplayr	423	imul eax, cache_ide1-cache_ide0
		424	add eax, BiosDiskCaches
709	diamond	425	.get:
2382	hidnplayr	426	cmp [hdd_appl_data], 0
		427	jne .bd_appl_data
		428	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		429	mov edi, [cache_ide0_search_start-cache_ide0+eax]
		430	pop eax
		431	ret
709	diamond	432	.bd_appl_data:
2382	hidnplayr	433	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		434	mov edi, [cache_ide0_appl_search_start-cache_ide0+eax]
		435	pop eax
		436	ret
580	mario79	437	;--------------------------------------------------------------------
		438	align 4
		439	calculate_cache_4:
		440	; cmp edi,cache_max
		441	; 1 - IDE0 ... 4 - IDE3
		442	.ide0:
2382	hidnplayr	443	cmp [hdpos], 1
		444	jne .ide1
		445	cmp [hdd_appl_data], 0
		446	jne .ide0_appl_data
		447	cmp edi, [cache_ide0_system_sad_size]
		448	ret
580	mario79	449	.ide0_appl_data:
2382	hidnplayr	450	cmp edi, [cache_ide0_appl_sad_size]
		451	ret
580	mario79	452	.ide1:
2382	hidnplayr	453	cmp [hdpos], 2
		454	jne .ide2
		455	cmp [hdd_appl_data], 0
		456	jne .ide1_appl_data
		457	cmp edi, [cache_ide1_system_sad_size]
		458	ret
580	mario79	459	.ide1_appl_data:
2382	hidnplayr	460	cmp edi, [cache_ide1_appl_sad_size]
		461	ret
580	mario79	462	.ide2:
2382	hidnplayr	463	cmp [hdpos], 3
		464	jne .ide3
		465	cmp [hdd_appl_data], 0
		466	jne .ide2_appl_data
		467	cmp edi, [cache_ide2_system_sad_size]
		468	ret
580	mario79	469	.ide2_appl_data:
2382	hidnplayr	470	cmp edi, [cache_ide2_appl_sad_size]
		471	ret
580	mario79	472	.ide3:
2382	hidnplayr	473	cmp [hdpos], 4
		474	jne .noide
		475	cmp [hdd_appl_data], 0
		476	jne .ide3_appl_data
		477	cmp edi, [cache_ide3_system_sad_size]
		478	ret
580	mario79	479	.ide3_appl_data:
2382	hidnplayr	480	cmp edi, [cache_ide3_appl_sad_size]
		481	ret
709	diamond	482	.noide:
2382	hidnplayr	483	push eax
		484	mov eax, [hdpos]
		485	sub eax, 80h
		486	cmp byte [BiosDisksData+eax*4+2], -1
		487	jz @f
		488	movzx eax, byte [BiosDisksData+eax*4+2]
		489	imul eax, cache_ide1-cache_ide0
		490	add eax, cache_ide0
		491	jmp .get
709	diamond	492	@@:
2382	hidnplayr	493	imul eax, cache_ide1-cache_ide0
		494	add eax, BiosDiskCaches
709	diamond	495	.get:
2382	hidnplayr	496	cmp [hdd_appl_data], 0
		497	jne .bd_appl_data
		498	cmp edi, [cache_ide0_system_sad_size-cache_ide0+eax]
		499	pop eax
		500	ret
709	diamond	501	.bd_appl_data:
2382	hidnplayr	502	cmp edi, [cache_ide0_appl_sad_size-cache_ide0+eax]
		503	pop eax
		504	ret
709	diamond	505
580	mario79	506	;--------------------------------------------------------------------
		507	align 4
		508	calculate_cache_5:
		509	; mov [cache_search_start],edi
		510	; 1 - IDE0 ... 4 - IDE3
		511	.ide0:
2382	hidnplayr	512	cmp [hdpos], 1
		513	jne .ide1
		514	cmp [hdd_appl_data], 0
		515	jne .ide0_appl_data
		516	mov [cache_ide0_search_start], edi
		517	ret
580	mario79	518	.ide0_appl_data:
2382	hidnplayr	519	mov [cache_ide0_appl_search_start], edi
		520	ret
580	mario79	521	.ide1:
2382	hidnplayr	522	cmp [hdpos], 2
		523	jne .ide2
		524	cmp [hdd_appl_data], 0
		525	jne .ide1_appl_data
		526	mov [cache_ide1_search_start], edi
		527	ret
580	mario79	528	.ide1_appl_data:
2382	hidnplayr	529	mov [cache_ide1_appl_search_start], edi
		530	ret
580	mario79	531	.ide2:
2382	hidnplayr	532	cmp [hdpos], 3
		533	jne .ide3
		534	cmp [hdd_appl_data], 0
		535	jne .ide2_appl_data
		536	mov [cache_ide2_search_start], edi
		537	ret
580	mario79	538	.ide2_appl_data:
2382	hidnplayr	539	mov [cache_ide2_appl_search_start], edi
		540	ret
580	mario79	541	.ide3:
2382	hidnplayr	542	cmp [hdpos], 4
		543	jne .noide
		544	cmp [hdd_appl_data], 0
		545	jne .ide3_appl_data
		546	mov [cache_ide3_search_start], edi
		547	ret
580	mario79	548	.ide3_appl_data:
2382	hidnplayr	549	mov [cache_ide3_appl_search_start], edi
		550	ret
709	diamond	551	.noide:
2382	hidnplayr	552	push eax
		553	mov eax, [hdpos]
		554	sub eax, 80h
		555	cmp byte [BiosDisksData+eax*4+2], -1
		556	jz @f
		557	movzx eax, byte [BiosDisksData+eax*4+2]
		558	imul eax, cache_ide1-cache_ide0
		559	add eax, cache_ide0
		560	jmp .get
709	diamond	561	@@:
2382	hidnplayr	562	imul eax, cache_ide1-cache_ide0
		563	add eax, BiosDiskCaches
709	diamond	564	.get:
2382	hidnplayr	565	cmp [hdd_appl_data], 0
		566	jne .bd_appl_data
		567	mov [cache_ide0_search_start-cache_ide0+eax], edi
		568	pop eax
		569	ret
709	diamond	570	.bd_appl_data:
2382	hidnplayr	571	mov [cache_ide0_appl_search_start-cache_ide0+eax], edi
		572	pop eax
		573	ret
585	mario79	574
580	mario79	575	;--------------------------------------------------------------------
		576	align 4
585	mario79	577	find_empty_slot_CD_cache:
		578	;-----------------------------------------------------------
		579	; find empty or read slot, flush cache if next 10% is used by write
		580	; output : edi = cache slot
		581	;-----------------------------------------------------------
		582	.search_again:
2382	hidnplayr	583	call cd_calculate_cache_3
585	mario79	584	.search_for_empty:
2382	hidnplayr	585	inc edi
		586	call cd_calculate_cache_4
		587	jbe .inside_cache
		588	mov edi, 1
585	mario79	589	.inside_cache:
2382	hidnplayr	590	call cd_calculate_cache_5
		591	ret
585	mario79	592	;--------------------------------------------------------------------
		593	clear_CD_cache:
2382	hidnplayr	594	pusha
585	mario79	595	.ide0:
2382	hidnplayr	596	xor eax, eax
		597	cmp [cdpos], 1
		598	jne .ide1
		599	mov [cache_ide0_search_start], eax
		600	mov ecx, [cache_ide0_system_sad_size]
		601	mov edi, [cache_ide0_pointer]
		602	call .clear
		603	mov [cache_ide0_appl_search_start], eax
		604	mov ecx, [cache_ide0_appl_sad_size]
		605	mov edi, [cache_ide0_data_pointer]
		606	jmp .continue
585	mario79	607	.ide1:
2382	hidnplayr	608	cmp [cdpos], 2
		609	jne .ide2
		610	mov [cache_ide1_search_start], eax
		611	mov ecx, [cache_ide1_system_sad_size]
		612	mov edi, [cache_ide1_pointer]
		613	call .clear
		614	mov [cache_ide1_appl_search_start], eax
		615	mov ecx, [cache_ide1_appl_sad_size]
		616	mov edi, [cache_ide1_data_pointer]
		617	jmp .continue
585	mario79	618	.ide2:
2382	hidnplayr	619	cmp [cdpos], 3
		620	jne .ide3
		621	mov [cache_ide2_search_start], eax
		622	mov ecx, [cache_ide2_system_sad_size]
		623	mov edi, [cache_ide2_pointer]
		624	call .clear
		625	mov [cache_ide2_appl_search_start], eax
		626	mov ecx, [cache_ide2_appl_sad_size]
		627	mov edi, [cache_ide2_data_pointer]
		628	jmp .continue
585	mario79	629	.ide3:
2382	hidnplayr	630	mov [cache_ide3_search_start], eax
		631	mov ecx, [cache_ide3_system_sad_size]
		632	mov edi, [cache_ide3_pointer]
		633	call .clear
		634	mov [cache_ide3_appl_search_start], eax
		635	mov ecx, [cache_ide3_appl_sad_size]
		636	mov edi, [cache_ide3_data_pointer]
585	mario79	637	.continue:
2382	hidnplayr	638	call .clear
		639	popa
		640	ret
585	mario79	641	.clear:
2382	hidnplayr	642	shl ecx, 1
		643	cld
		644	rep stosd
		645	ret
585	mario79	646	;--------------------------------------------------------------------
		647	align 4
		648	cd_calculate_cache:
		649	; mov ecx,cache_max ; entries in cache
		650	; mov esi,HD_CACHE+8
		651
		652	; 1 - IDE0 ... 4 - IDE3
		653	.ide0:
2382	hidnplayr	654	cmp [cdpos], 1
		655	jne .ide1
		656	cmp [cd_appl_data], 0
		657	jne .ide0_appl_data
		658	mov ecx, [cache_ide0_system_sad_size]
		659	mov esi, [cache_ide0_pointer]
		660	ret
585	mario79	661	.ide0_appl_data:
2382	hidnplayr	662	mov ecx, [cache_ide0_appl_sad_size]
		663	mov esi, [cache_ide0_data_pointer]
		664	ret
585	mario79	665	.ide1:
2382	hidnplayr	666	cmp [cdpos], 2
		667	jne .ide2
		668	cmp [cd_appl_data], 0
		669	jne .ide1_appl_data
		670	mov ecx, [cache_ide1_system_sad_size]
		671	mov esi, [cache_ide1_pointer]
		672	ret
585	mario79	673	.ide1_appl_data:
2382	hidnplayr	674	mov ecx, [cache_ide1_appl_sad_size]
		675	mov esi, [cache_ide1_data_pointer]
		676	ret
585	mario79	677	.ide2:
2382	hidnplayr	678	cmp [cdpos], 3
		679	jne .ide3
		680	cmp [cd_appl_data], 0
		681	jne .ide2_appl_data
		682	mov ecx, [cache_ide2_system_sad_size]
		683	mov esi, [cache_ide2_pointer]
		684	ret
585	mario79	685	.ide2_appl_data:
2382	hidnplayr	686	mov ecx, [cache_ide2_appl_sad_size]
		687	mov esi, [cache_ide2_data_pointer]
		688	ret
585	mario79	689	.ide3:
2382	hidnplayr	690	cmp [cd_appl_data], 0
		691	jne .ide3_appl_data
		692	mov ecx, [cache_ide3_system_sad_size]
		693	mov esi, [cache_ide3_pointer]
		694	ret
585	mario79	695	.ide3_appl_data:
2382	hidnplayr	696	mov ecx, [cache_ide3_appl_sad_size]
		697	mov esi, [cache_ide3_data_pointer]
		698	ret
585	mario79	699	;--------------------------------------------------------------------
		700	align 4
		701	cd_calculate_cache_1:
		702	; lea esi,[edi*8+HD_CACHE]
		703	; 1 - IDE0 ... 4 - IDE3
		704	.ide0:
2382	hidnplayr	705	cmp [cdpos], 1
		706	jne .ide1
		707	cmp [cd_appl_data], 0
		708	jne .ide0_appl_data
		709	mov esi, [cache_ide0_pointer]
		710	ret
585	mario79	711	.ide0_appl_data:
2382	hidnplayr	712	mov esi, [cache_ide0_data_pointer]
		713	ret
585	mario79	714	.ide1:
2382	hidnplayr	715	cmp [cdpos], 2
		716	jne .ide2
		717	cmp [cd_appl_data], 0
		718	jne .ide1_appl_data
		719	mov esi, [cache_ide1_pointer]
		720	ret
585	mario79	721	.ide1_appl_data:
2382	hidnplayr	722	mov esi, [cache_ide1_data_pointer]
		723	ret
585	mario79	724	.ide2:
2382	hidnplayr	725	cmp [cdpos], 3
		726	jne .ide3
		727	cmp [cd_appl_data], 0
		728	jne .ide2_appl_data
		729	mov esi, [cache_ide2_pointer]
		730	ret
585	mario79	731	.ide2_appl_data:
2382	hidnplayr	732	mov esi, [cache_ide2_data_pointer]
		733	ret
585	mario79	734	.ide3:
2382	hidnplayr	735	cmp [cd_appl_data], 0
		736	jne .ide3_appl_data
		737	mov esi, [cache_ide3_pointer]
		738	ret
585	mario79	739	.ide3_appl_data:
2382	hidnplayr	740	mov esi, [cache_ide3_data_pointer]
		741	ret
585	mario79	742	;--------------------------------------------------------------------
		743	align 4
		744	cd_calculate_cache_2:
		745	; add esi,HD_CACHE+65536
		746	; 1 - IDE0 ... 4 - IDE3
		747	.ide0:
2382	hidnplayr	748	cmp [cdpos], 1
		749	jne .ide1
		750	cmp [cd_appl_data], 0
		751	jne .ide0_appl_data
		752	mov eax, [cache_ide0_system_data]
		753	ret
585	mario79	754	.ide0_appl_data:
2382	hidnplayr	755	mov eax, [cache_ide0_appl_data]
		756	ret
585	mario79	757	.ide1:
2382	hidnplayr	758	cmp [cdpos], 2
		759	jne .ide2
		760	cmp [cd_appl_data], 0
		761	jne .ide1_appl_data
		762	mov eax, [cache_ide1_system_data]
		763	ret
585	mario79	764	.ide1_appl_data:
2382	hidnplayr	765	mov eax, [cache_ide1_appl_data]
		766	ret
585	mario79	767	.ide2:
2382	hidnplayr	768	cmp [cdpos], 3
		769	jne .ide3
		770	cmp [cd_appl_data], 0
		771	jne .ide2_appl_data
		772	mov eax, [cache_ide2_system_data]
		773	ret
585	mario79	774	.ide2_appl_data:
2382	hidnplayr	775	mov eax, [cache_ide2_appl_data]
		776	ret
585	mario79	777	.ide3:
2382	hidnplayr	778	cmp [cd_appl_data], 0
		779	jne .ide3_appl_data
		780	mov eax, [cache_ide3_system_data]
		781	ret
585	mario79	782	.ide3_appl_data:
2382	hidnplayr	783	mov eax, [cache_ide3_appl_data]
		784	ret
585	mario79	785	;--------------------------------------------------------------------
		786	align 4
		787	cd_calculate_cache_3:
		788	; mov ecx,cache_max*10/100
		789	; mov edi,[cache_search_start]
		790
		791	; 1 - IDE0 ... 4 - IDE3
		792	.ide0:
2382	hidnplayr	793	cmp [cdpos], 1
		794	jne .ide1
		795	cmp [cd_appl_data], 0
		796	jne .ide0_appl_data
		797	mov edi, [cache_ide0_search_start]
		798	ret
585	mario79	799	.ide0_appl_data:
2382	hidnplayr	800	mov edi, [cache_ide0_appl_search_start]
		801	ret
585	mario79	802	.ide1:
2382	hidnplayr	803	cmp [cdpos], 2
		804	jne .ide2
		805	cmp [cd_appl_data], 0
		806	jne .ide1_appl_data
		807	mov edi, [cache_ide1_search_start]
		808	ret
585	mario79	809	.ide1_appl_data:
2382	hidnplayr	810	mov edi, [cache_ide1_appl_search_start]
		811	ret
585	mario79	812	.ide2:
2382	hidnplayr	813	cmp [cdpos], 3
		814	jne .ide3
		815	cmp [cd_appl_data], 0
		816	jne .ide2_appl_data
		817	mov edi, [cache_ide2_search_start]
		818	ret
585	mario79	819	.ide2_appl_data:
2382	hidnplayr	820	mov edi, [cache_ide2_appl_search_start]
		821	ret
585	mario79	822	.ide3:
2382	hidnplayr	823	cmp [cd_appl_data], 0
		824	jne .ide3_appl_data
		825	mov edi, [cache_ide3_search_start]
		826	ret
585	mario79	827	.ide3_appl_data:
2382	hidnplayr	828	mov edi, [cache_ide3_appl_search_start]
		829	ret
585	mario79	830	;--------------------------------------------------------------------
		831	align 4
		832	cd_calculate_cache_4:
		833	; cmp edi,cache_max
		834	; 1 - IDE0 ... 4 - IDE3
		835	.ide0:
2382	hidnplayr	836	cmp [cdpos], 1
		837	jne .ide1
		838	cmp [cd_appl_data], 0
		839	jne .ide0_appl_data
		840	cmp edi, [cache_ide0_system_sad_size]
		841	ret
585	mario79	842	.ide0_appl_data:
2382	hidnplayr	843	cmp edi, [cache_ide0_appl_sad_size]
		844	ret
585	mario79	845	.ide1:
2382	hidnplayr	846	cmp [cdpos], 2
		847	jne .ide2
		848	cmp [cd_appl_data], 0
		849	jne .ide1_appl_data
		850	cmp edi, [cache_ide1_system_sad_size]
		851	ret
585	mario79	852	.ide1_appl_data:
2382	hidnplayr	853	cmp edi, [cache_ide1_appl_sad_size]
		854	ret
585	mario79	855	.ide2:
2382	hidnplayr	856	cmp [cdpos], 3
		857	jne .ide3
		858	cmp [cd_appl_data], 0
		859	jne .ide2_appl_data
		860	cmp edi, [cache_ide2_system_sad_size]
		861	ret
585	mario79	862	.ide2_appl_data:
2382	hidnplayr	863	cmp edi, [cache_ide2_appl_sad_size]
		864	ret
585	mario79	865	.ide3:
2382	hidnplayr	866	cmp [cd_appl_data], 0
		867	jne .ide3_appl_data
		868	cmp edi, [cache_ide3_system_sad_size]
		869	ret
585	mario79	870	.ide3_appl_data:
2382	hidnplayr	871	cmp edi, [cache_ide3_appl_sad_size]
		872	ret
585	mario79	873	;--------------------------------------------------------------------
		874	align 4
		875	cd_calculate_cache_5:
		876	; mov [cache_search_start],edi
		877	; 1 - IDE0 ... 4 - IDE3
		878	.ide0:
2382	hidnplayr	879	cmp [cdpos], 1
		880	jne .ide1
		881	cmp [cd_appl_data], 0
		882	jne .ide0_appl_data
		883	mov [cache_ide0_search_start], edi
		884	ret
585	mario79	885	.ide0_appl_data:
2382	hidnplayr	886	mov [cache_ide0_appl_search_start], edi
		887	ret
585	mario79	888	.ide1:
2382	hidnplayr	889	cmp [cdpos], 2
		890	jne .ide2
		891	cmp [cd_appl_data], 0
		892	jne .ide1_appl_data
		893	mov [cache_ide1_search_start], edi
		894	ret
585	mario79	895	.ide1_appl_data:
2382	hidnplayr	896	mov [cache_ide1_appl_search_start], edi
		897	ret
585	mario79	898	.ide2:
2382	hidnplayr	899	cmp [cdpos], 3
		900	jne .ide3
		901	cmp [cd_appl_data], 0
		902	jne .ide2_appl_data
		903	mov [cache_ide2_search_start], edi
		904	ret
585	mario79	905	.ide2_appl_data:
2382	hidnplayr	906	mov [cache_ide2_appl_search_start], edi
		907	ret
585	mario79	908	.ide3:
2382	hidnplayr	909	cmp [cd_appl_data], 0
		910	jne .ide3_appl_data
		911	mov [cache_ide3_search_start], edi
		912	ret
585	mario79	913	.ide3_appl_data:
2382	hidnplayr	914	mov [cache_ide3_appl_search_start], edi
		915	ret
585	mario79	916	;--------------------------------------------------------------------
		917	;align 4
		918	;calculate_linear_to_real:
		919	; shr eax, 12
		920	; mov eax, [page_tabs+eax*4]
		921	; and eax, 0xFFFFF000
		922	; ret

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(root)/kernel/branches/net/blkdev/ide_cache.inc – Rev 2540