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
3359	hidnplayr	137	;--------------------------------------------------------------------
		138	align 4
		139	clear_hd_cache:
		140	ret
		141	;--------------------------------------------------------------------
		142	align 4
580	mario79	143	calculate_cache:
		144	; mov ecx,cache_max ; entries in cache
		145	; mov esi,HD_CACHE+8
		146
		147	; 1 - IDE0 ... 4 - IDE3
		148	.ide0:
2382	hidnplayr	149	cmp [hdpos], 1
		150	jne .ide1
		151	cmp [hdd_appl_data], 0
		152	jne .ide0_appl_data
		153	mov ecx, [cache_ide0_system_sad_size]
		154	mov esi, [cache_ide0_pointer]
		155	ret
580	mario79	156	.ide0_appl_data:
2382	hidnplayr	157	mov ecx, [cache_ide0_appl_sad_size]
		158	mov esi, [cache_ide0_data_pointer]
		159	ret
580	mario79	160	.ide1:
2382	hidnplayr	161	cmp [hdpos], 2
		162	jne .ide2
		163	cmp [hdd_appl_data], 0
		164	jne .ide1_appl_data
		165	mov ecx, [cache_ide1_system_sad_size]
		166	mov esi, [cache_ide1_pointer]
		167	ret
580	mario79	168	.ide1_appl_data:
2382	hidnplayr	169	mov ecx, [cache_ide1_appl_sad_size]
		170	mov esi, [cache_ide1_data_pointer]
		171	ret
580	mario79	172	.ide2:
2382	hidnplayr	173	cmp [hdpos], 3
		174	jne .ide3
		175	cmp [hdd_appl_data], 0
		176	jne .ide2_appl_data
		177	mov ecx, [cache_ide2_system_sad_size]
		178	mov esi, [cache_ide2_pointer]
		179	ret
580	mario79	180	.ide2_appl_data:
2382	hidnplayr	181	mov ecx, [cache_ide2_appl_sad_size]
		182	mov esi, [cache_ide2_data_pointer]
		183	ret
580	mario79	184	.ide3:
2382	hidnplayr	185	cmp [hdpos], 4
		186	jne .noide
		187	cmp [hdd_appl_data], 0
		188	jne .ide3_appl_data
		189	mov ecx, [cache_ide3_system_sad_size]
		190	mov esi, [cache_ide3_pointer]
		191	ret
580	mario79	192	.ide3_appl_data:
2382	hidnplayr	193	mov ecx, [cache_ide3_appl_sad_size]
		194	mov esi, [cache_ide3_data_pointer]
		195	ret
709	diamond	196	.noide:
2382	hidnplayr	197	push eax
		198	mov eax, [hdpos]
		199	sub eax, 80h
		200	cmp byte [BiosDisksData+eax*4+2], -1
		201	jz @f
		202	movzx eax, byte [BiosDisksData+eax*4+2]
		203	imul eax, cache_ide1-cache_ide0
		204	add eax, cache_ide0
		205	jmp .get
709	diamond	206	@@:
2382	hidnplayr	207	imul eax, cache_ide1-cache_ide0
		208	add eax, BiosDiskCaches
709	diamond	209	.get:
2382	hidnplayr	210	cmp [hdd_appl_data], 0
		211	jne .bd_appl_data
		212	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		213	mov esi, [cache_ide0_pointer-cache_ide0+eax]
		214	pop eax
		215	ret
709	diamond	216	.bd_appl_data:
2382	hidnplayr	217	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		218	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
		219	pop eax
		220	ret
580	mario79	221	;--------------------------------------------------------------------
		222	align 4
		223	calculate_cache_1:
		224	; lea esi,[edi*8+HD_CACHE]
		225	; 1 - IDE0 ... 4 - IDE3
		226	.ide0:
2382	hidnplayr	227	cmp [hdpos], 1
		228	jne .ide1
		229	cmp [hdd_appl_data], 0
		230	jne .ide0_appl_data
		231	mov esi, [cache_ide0_pointer]
		232	ret
580	mario79	233	.ide0_appl_data:
2382	hidnplayr	234	mov esi, [cache_ide0_data_pointer]
		235	ret
580	mario79	236	.ide1:
2382	hidnplayr	237	cmp [hdpos], 2
		238	jne .ide2
		239	cmp [hdd_appl_data], 0
		240	jne .ide1_appl_data
		241	mov esi, [cache_ide1_pointer]
		242	ret
580	mario79	243	.ide1_appl_data:
2382	hidnplayr	244	mov esi, [cache_ide1_data_pointer]
		245	ret
580	mario79	246	.ide2:
2382	hidnplayr	247	cmp [hdpos], 3
		248	jne .ide3
		249	cmp [hdd_appl_data], 0
		250	jne .ide2_appl_data
		251	mov esi, [cache_ide2_pointer]
		252	ret
580	mario79	253	.ide2_appl_data:
2382	hidnplayr	254	mov esi, [cache_ide2_data_pointer]
		255	ret
580	mario79	256	.ide3:
2382	hidnplayr	257	cmp [hdpos], 4
		258	jne .noide
		259	cmp [hdd_appl_data], 0
		260	jne .ide3_appl_data
		261	mov esi, [cache_ide3_pointer]
		262	ret
580	mario79	263	.ide3_appl_data:
2382	hidnplayr	264	mov esi, [cache_ide3_data_pointer]
		265	ret
709	diamond	266	.noide:
2382	hidnplayr	267	push eax
		268	mov eax, [hdpos]
		269	sub eax, 80h
		270	cmp byte [BiosDisksData+eax*4+2], -1
		271	jz @f
		272	movzx eax, byte [BiosDisksData+eax*4+2]
		273	imul eax, cache_ide1-cache_ide0
		274	add eax, cache_ide0
		275	jmp .get
709	diamond	276	@@:
2382	hidnplayr	277	imul eax, cache_ide1-cache_ide0
		278	add eax, BiosDiskCaches
709	diamond	279	.get:
2382	hidnplayr	280	cmp [hdd_appl_data], 0
		281	jne .bd_appl_data
		282	mov esi, [cache_ide0_pointer-cache_ide0+eax]
		283	pop eax
		284	ret
709	diamond	285	.bd_appl_data:
2382	hidnplayr	286	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
		287	pop eax
		288	ret
709	diamond	289
580	mario79	290	;--------------------------------------------------------------------
		291	align 4
		292	calculate_cache_2:
		293	; add esi,HD_CACHE+65536
		294	; 1 - IDE0 ... 4 - IDE3
		295	.ide0:
2382	hidnplayr	296	cmp [hdpos], 1
		297	jne .ide1
		298	cmp [hdd_appl_data], 0
		299	jne .ide0_appl_data
		300	mov eax, [cache_ide0_system_data]
		301	ret
580	mario79	302	.ide0_appl_data:
2382	hidnplayr	303	mov eax, [cache_ide0_appl_data]
		304	ret
580	mario79	305	.ide1:
2382	hidnplayr	306	cmp [hdpos], 2
		307	jne .ide2
		308	cmp [hdd_appl_data], 0
		309	jne .ide1_appl_data
		310	mov eax, [cache_ide1_system_data]
		311	ret
580	mario79	312	.ide1_appl_data:
2382	hidnplayr	313	mov eax, [cache_ide1_appl_data]
		314	ret
580	mario79	315	.ide2:
2382	hidnplayr	316	cmp [hdpos], 3
		317	jne .ide3
		318	cmp [hdd_appl_data], 0
		319	jne .ide2_appl_data
		320	mov eax, [cache_ide2_system_data]
		321	ret
580	mario79	322	.ide2_appl_data:
2382	hidnplayr	323	mov eax, [cache_ide2_appl_data]
		324	ret
580	mario79	325	.ide3:
2382	hidnplayr	326	cmp [hdpos], 4
		327	jne .noide
		328	cmp [hdd_appl_data], 0
		329	jne .ide3_appl_data
		330	mov eax, [cache_ide3_system_data]
		331	ret
580	mario79	332	.ide3_appl_data:
2382	hidnplayr	333	mov eax, [cache_ide3_appl_data]
		334	ret
709	diamond	335	.noide:
2382	hidnplayr	336	mov eax, [hdpos]
		337	sub eax, 80h
		338	cmp byte [BiosDisksData+eax*4+2], -1
		339	jz @f
		340	movzx eax, byte [BiosDisksData+eax*4+2]
		341	imul eax, cache_ide1-cache_ide0
		342	add eax, cache_ide0
		343	jmp .get
709	diamond	344	@@:
2382	hidnplayr	345	imul eax, cache_ide1-cache_ide0
		346	add eax, BiosDiskCaches
709	diamond	347	.get:
2382	hidnplayr	348	cmp [hdd_appl_data], 0
		349	jne .bd_appl_data
		350	mov eax, [cache_ide0_system_data-cache_ide0+eax]
		351	ret
709	diamond	352	.bd_appl_data:
2382	hidnplayr	353	mov eax, [cache_ide0_appl_data-cache_ide0+eax]
		354	ret
580	mario79	355	;--------------------------------------------------------------------
		356	align 4
		357	calculate_cache_3:
		358	; mov ecx,cache_max*10/100
		359	; mov edi,[cache_search_start]
		360
		361	; 1 - IDE0 ... 4 - IDE3
		362	.ide0:
2382	hidnplayr	363	cmp [hdpos], 1
		364	jne .ide1
		365	cmp [hdd_appl_data], 0
		366	jne .ide0_appl_data
		367	mov ecx, [cache_ide0_system_sad_size]
		368	mov edi, [cache_ide0_search_start]
		369	ret
580	mario79	370	.ide0_appl_data:
2382	hidnplayr	371	mov ecx, [cache_ide0_appl_sad_size]
		372	mov edi, [cache_ide0_appl_search_start]
		373	ret
580	mario79	374	.ide1:
2382	hidnplayr	375	cmp [hdpos], 2
		376	jne .ide2
		377	cmp [hdd_appl_data], 0
		378	jne .ide1_appl_data
		379	mov ecx, [cache_ide1_system_sad_size]
		380	mov edi, [cache_ide1_search_start]
		381	ret
580	mario79	382	.ide1_appl_data:
2382	hidnplayr	383	mov ecx, [cache_ide1_appl_sad_size]
		384	mov edi, [cache_ide1_appl_search_start]
		385	ret
580	mario79	386	.ide2:
2382	hidnplayr	387	cmp [hdpos], 3
		388	jne .ide3
		389	cmp [hdd_appl_data], 0
		390	jne .ide2_appl_data
		391	mov ecx, [cache_ide2_system_sad_size]
		392	mov edi, [cache_ide2_search_start]
		393	ret
580	mario79	394	.ide2_appl_data:
2382	hidnplayr	395	mov ecx, [cache_ide2_appl_sad_size]
		396	mov edi, [cache_ide2_appl_search_start]
		397	ret
580	mario79	398	.ide3:
2382	hidnplayr	399	cmp [hdpos], 4
		400	jne .noide
		401	cmp [hdd_appl_data], 0
		402	jne .ide3_appl_data
		403	mov ecx, [cache_ide3_system_sad_size]
		404	mov edi, [cache_ide3_search_start]
		405	ret
580	mario79	406	.ide3_appl_data:
2382	hidnplayr	407	mov ecx, [cache_ide3_appl_sad_size]
		408	mov edi, [cache_ide3_appl_search_start]
		409	ret
709	diamond	410	.noide:
2382	hidnplayr	411	push eax
		412	mov eax, [hdpos]
		413	sub eax, 80h
		414	cmp byte [BiosDisksData+eax*4+2], -1
		415	jz @f
		416	movzx eax, byte [BiosDisksData+eax*4+2]
		417	imul eax, cache_ide1-cache_ide0
		418	add eax, cache_ide0
		419	jmp .get
709	diamond	420	@@:
2382	hidnplayr	421	imul eax, cache_ide1-cache_ide0
		422	add eax, BiosDiskCaches
709	diamond	423	.get:
2382	hidnplayr	424	cmp [hdd_appl_data], 0
		425	jne .bd_appl_data
		426	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		427	mov edi, [cache_ide0_search_start-cache_ide0+eax]
		428	pop eax
		429	ret
709	diamond	430	.bd_appl_data:
2382	hidnplayr	431	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		432	mov edi, [cache_ide0_appl_search_start-cache_ide0+eax]
		433	pop eax
		434	ret
580	mario79	435	;--------------------------------------------------------------------
		436	align 4
		437	calculate_cache_4:
		438	; cmp edi,cache_max
		439	; 1 - IDE0 ... 4 - IDE3
		440	.ide0:
2382	hidnplayr	441	cmp [hdpos], 1
		442	jne .ide1
		443	cmp [hdd_appl_data], 0
		444	jne .ide0_appl_data
		445	cmp edi, [cache_ide0_system_sad_size]
		446	ret
580	mario79	447	.ide0_appl_data:
2382	hidnplayr	448	cmp edi, [cache_ide0_appl_sad_size]
		449	ret
580	mario79	450	.ide1:
2382	hidnplayr	451	cmp [hdpos], 2
		452	jne .ide2
		453	cmp [hdd_appl_data], 0
		454	jne .ide1_appl_data
		455	cmp edi, [cache_ide1_system_sad_size]
		456	ret
580	mario79	457	.ide1_appl_data:
2382	hidnplayr	458	cmp edi, [cache_ide1_appl_sad_size]
		459	ret
580	mario79	460	.ide2:
2382	hidnplayr	461	cmp [hdpos], 3
		462	jne .ide3
		463	cmp [hdd_appl_data], 0
		464	jne .ide2_appl_data
		465	cmp edi, [cache_ide2_system_sad_size]
		466	ret
580	mario79	467	.ide2_appl_data:
2382	hidnplayr	468	cmp edi, [cache_ide2_appl_sad_size]
		469	ret
580	mario79	470	.ide3:
2382	hidnplayr	471	cmp [hdpos], 4
		472	jne .noide
		473	cmp [hdd_appl_data], 0
		474	jne .ide3_appl_data
		475	cmp edi, [cache_ide3_system_sad_size]
		476	ret
580	mario79	477	.ide3_appl_data:
2382	hidnplayr	478	cmp edi, [cache_ide3_appl_sad_size]
		479	ret
709	diamond	480	.noide:
2382	hidnplayr	481	push eax
		482	mov eax, [hdpos]
		483	sub eax, 80h
		484	cmp byte [BiosDisksData+eax*4+2], -1
		485	jz @f
		486	movzx eax, byte [BiosDisksData+eax*4+2]
		487	imul eax, cache_ide1-cache_ide0
		488	add eax, cache_ide0
		489	jmp .get
709	diamond	490	@@:
2382	hidnplayr	491	imul eax, cache_ide1-cache_ide0
		492	add eax, BiosDiskCaches
709	diamond	493	.get:
2382	hidnplayr	494	cmp [hdd_appl_data], 0
		495	jne .bd_appl_data
		496	cmp edi, [cache_ide0_system_sad_size-cache_ide0+eax]
		497	pop eax
		498	ret
709	diamond	499	.bd_appl_data:
2382	hidnplayr	500	cmp edi, [cache_ide0_appl_sad_size-cache_ide0+eax]
		501	pop eax
		502	ret
709	diamond	503
580	mario79	504	;--------------------------------------------------------------------
		505	align 4
		506	calculate_cache_5:
		507	; mov [cache_search_start],edi
		508	; 1 - IDE0 ... 4 - IDE3
		509	.ide0:
2382	hidnplayr	510	cmp [hdpos], 1
		511	jne .ide1
		512	cmp [hdd_appl_data], 0
		513	jne .ide0_appl_data
		514	mov [cache_ide0_search_start], edi
		515	ret
580	mario79	516	.ide0_appl_data:
2382	hidnplayr	517	mov [cache_ide0_appl_search_start], edi
		518	ret
580	mario79	519	.ide1:
2382	hidnplayr	520	cmp [hdpos], 2
		521	jne .ide2
		522	cmp [hdd_appl_data], 0
		523	jne .ide1_appl_data
		524	mov [cache_ide1_search_start], edi
		525	ret
580	mario79	526	.ide1_appl_data:
2382	hidnplayr	527	mov [cache_ide1_appl_search_start], edi
		528	ret
580	mario79	529	.ide2:
2382	hidnplayr	530	cmp [hdpos], 3
		531	jne .ide3
		532	cmp [hdd_appl_data], 0
		533	jne .ide2_appl_data
		534	mov [cache_ide2_search_start], edi
		535	ret
580	mario79	536	.ide2_appl_data:
2382	hidnplayr	537	mov [cache_ide2_appl_search_start], edi
		538	ret
580	mario79	539	.ide3:
2382	hidnplayr	540	cmp [hdpos], 4
		541	jne .noide
		542	cmp [hdd_appl_data], 0
		543	jne .ide3_appl_data
		544	mov [cache_ide3_search_start], edi
		545	ret
580	mario79	546	.ide3_appl_data:
2382	hidnplayr	547	mov [cache_ide3_appl_search_start], edi
		548	ret
709	diamond	549	.noide:
2382	hidnplayr	550	push eax
		551	mov eax, [hdpos]
		552	sub eax, 80h
		553	cmp byte [BiosDisksData+eax*4+2], -1
		554	jz @f
		555	movzx eax, byte [BiosDisksData+eax*4+2]
		556	imul eax, cache_ide1-cache_ide0
		557	add eax, cache_ide0
		558	jmp .get
709	diamond	559	@@:
2382	hidnplayr	560	imul eax, cache_ide1-cache_ide0
		561	add eax, BiosDiskCaches
709	diamond	562	.get:
2382	hidnplayr	563	cmp [hdd_appl_data], 0
		564	jne .bd_appl_data
		565	mov [cache_ide0_search_start-cache_ide0+eax], edi
		566	pop eax
		567	ret
709	diamond	568	.bd_appl_data:
2382	hidnplayr	569	mov [cache_ide0_appl_search_start-cache_ide0+eax], edi
		570	pop eax
		571	ret
585	mario79	572
580	mario79	573	;--------------------------------------------------------------------
		574	align 4
585	mario79	575	find_empty_slot_CD_cache:
		576	;-----------------------------------------------------------
		577	; find empty or read slot, flush cache if next 10% is used by write
		578	; output : edi = cache slot
		579	;-----------------------------------------------------------
		580	.search_again:
2382	hidnplayr	581	call cd_calculate_cache_3
585	mario79	582	.search_for_empty:
2382	hidnplayr	583	inc edi
		584	call cd_calculate_cache_4
		585	jbe .inside_cache
		586	mov edi, 1
585	mario79	587	.inside_cache:
2382	hidnplayr	588	call cd_calculate_cache_5
		589	ret
585	mario79	590	;--------------------------------------------------------------------
		591	clear_CD_cache:
2382	hidnplayr	592	pusha
585	mario79	593	.ide0:
2382	hidnplayr	594	xor eax, eax
		595	cmp [cdpos], 1
		596	jne .ide1
		597	mov [cache_ide0_search_start], eax
		598	mov ecx, [cache_ide0_system_sad_size]
		599	mov edi, [cache_ide0_pointer]
		600	call .clear
		601	mov [cache_ide0_appl_search_start], eax
		602	mov ecx, [cache_ide0_appl_sad_size]
		603	mov edi, [cache_ide0_data_pointer]
		604	jmp .continue
585	mario79	605	.ide1:
2382	hidnplayr	606	cmp [cdpos], 2
		607	jne .ide2
		608	mov [cache_ide1_search_start], eax
		609	mov ecx, [cache_ide1_system_sad_size]
		610	mov edi, [cache_ide1_pointer]
		611	call .clear
		612	mov [cache_ide1_appl_search_start], eax
		613	mov ecx, [cache_ide1_appl_sad_size]
		614	mov edi, [cache_ide1_data_pointer]
		615	jmp .continue
585	mario79	616	.ide2:
2382	hidnplayr	617	cmp [cdpos], 3
		618	jne .ide3
		619	mov [cache_ide2_search_start], eax
		620	mov ecx, [cache_ide2_system_sad_size]
		621	mov edi, [cache_ide2_pointer]
		622	call .clear
		623	mov [cache_ide2_appl_search_start], eax
		624	mov ecx, [cache_ide2_appl_sad_size]
		625	mov edi, [cache_ide2_data_pointer]
		626	jmp .continue
585	mario79	627	.ide3:
2382	hidnplayr	628	mov [cache_ide3_search_start], eax
		629	mov ecx, [cache_ide3_system_sad_size]
		630	mov edi, [cache_ide3_pointer]
		631	call .clear
		632	mov [cache_ide3_appl_search_start], eax
		633	mov ecx, [cache_ide3_appl_sad_size]
		634	mov edi, [cache_ide3_data_pointer]
585	mario79	635	.continue:
2382	hidnplayr	636	call .clear
		637	popa
		638	ret
585	mario79	639	.clear:
2382	hidnplayr	640	shl ecx, 1
		641	cld
		642	rep stosd
		643	ret
585	mario79	644	;--------------------------------------------------------------------
		645	align 4
		646	cd_calculate_cache:
		647	; mov ecx,cache_max ; entries in cache
		648	; mov esi,HD_CACHE+8
		649
		650	; 1 - IDE0 ... 4 - IDE3
		651	.ide0:
2382	hidnplayr	652	cmp [cdpos], 1
		653	jne .ide1
		654	cmp [cd_appl_data], 0
		655	jne .ide0_appl_data
		656	mov ecx, [cache_ide0_system_sad_size]
		657	mov esi, [cache_ide0_pointer]
		658	ret
585	mario79	659	.ide0_appl_data:
2382	hidnplayr	660	mov ecx, [cache_ide0_appl_sad_size]
		661	mov esi, [cache_ide0_data_pointer]
		662	ret
585	mario79	663	.ide1:
2382	hidnplayr	664	cmp [cdpos], 2
		665	jne .ide2
		666	cmp [cd_appl_data], 0
		667	jne .ide1_appl_data
		668	mov ecx, [cache_ide1_system_sad_size]
		669	mov esi, [cache_ide1_pointer]
		670	ret
585	mario79	671	.ide1_appl_data:
2382	hidnplayr	672	mov ecx, [cache_ide1_appl_sad_size]
		673	mov esi, [cache_ide1_data_pointer]
		674	ret
585	mario79	675	.ide2:
2382	hidnplayr	676	cmp [cdpos], 3
		677	jne .ide3
		678	cmp [cd_appl_data], 0
		679	jne .ide2_appl_data
		680	mov ecx, [cache_ide2_system_sad_size]
		681	mov esi, [cache_ide2_pointer]
		682	ret
585	mario79	683	.ide2_appl_data:
2382	hidnplayr	684	mov ecx, [cache_ide2_appl_sad_size]
		685	mov esi, [cache_ide2_data_pointer]
		686	ret
585	mario79	687	.ide3:
2382	hidnplayr	688	cmp [cd_appl_data], 0
		689	jne .ide3_appl_data
		690	mov ecx, [cache_ide3_system_sad_size]
		691	mov esi, [cache_ide3_pointer]
		692	ret
585	mario79	693	.ide3_appl_data:
2382	hidnplayr	694	mov ecx, [cache_ide3_appl_sad_size]
		695	mov esi, [cache_ide3_data_pointer]
		696	ret
585	mario79	697	;--------------------------------------------------------------------
		698	align 4
		699	cd_calculate_cache_1:
		700	; lea esi,[edi*8+HD_CACHE]
		701	; 1 - IDE0 ... 4 - IDE3
		702	.ide0:
2382	hidnplayr	703	cmp [cdpos], 1
		704	jne .ide1
		705	cmp [cd_appl_data], 0
		706	jne .ide0_appl_data
		707	mov esi, [cache_ide0_pointer]
		708	ret
585	mario79	709	.ide0_appl_data:
2382	hidnplayr	710	mov esi, [cache_ide0_data_pointer]
		711	ret
585	mario79	712	.ide1:
2382	hidnplayr	713	cmp [cdpos], 2
		714	jne .ide2
		715	cmp [cd_appl_data], 0
		716	jne .ide1_appl_data
		717	mov esi, [cache_ide1_pointer]
		718	ret
585	mario79	719	.ide1_appl_data:
2382	hidnplayr	720	mov esi, [cache_ide1_data_pointer]
		721	ret
585	mario79	722	.ide2:
2382	hidnplayr	723	cmp [cdpos], 3
		724	jne .ide3
		725	cmp [cd_appl_data], 0
		726	jne .ide2_appl_data
		727	mov esi, [cache_ide2_pointer]
		728	ret
585	mario79	729	.ide2_appl_data:
2382	hidnplayr	730	mov esi, [cache_ide2_data_pointer]
		731	ret
585	mario79	732	.ide3:
2382	hidnplayr	733	cmp [cd_appl_data], 0
		734	jne .ide3_appl_data
		735	mov esi, [cache_ide3_pointer]
		736	ret
585	mario79	737	.ide3_appl_data:
2382	hidnplayr	738	mov esi, [cache_ide3_data_pointer]
		739	ret
585	mario79	740	;--------------------------------------------------------------------
		741	align 4
		742	cd_calculate_cache_2:
		743	; add esi,HD_CACHE+65536
		744	; 1 - IDE0 ... 4 - IDE3
		745	.ide0:
2382	hidnplayr	746	cmp [cdpos], 1
		747	jne .ide1
		748	cmp [cd_appl_data], 0
		749	jne .ide0_appl_data
		750	mov eax, [cache_ide0_system_data]
		751	ret
585	mario79	752	.ide0_appl_data:
2382	hidnplayr	753	mov eax, [cache_ide0_appl_data]
		754	ret
585	mario79	755	.ide1:
2382	hidnplayr	756	cmp [cdpos], 2
		757	jne .ide2
		758	cmp [cd_appl_data], 0
		759	jne .ide1_appl_data
		760	mov eax, [cache_ide1_system_data]
		761	ret
585	mario79	762	.ide1_appl_data:
2382	hidnplayr	763	mov eax, [cache_ide1_appl_data]
		764	ret
585	mario79	765	.ide2:
2382	hidnplayr	766	cmp [cdpos], 3
		767	jne .ide3
		768	cmp [cd_appl_data], 0
		769	jne .ide2_appl_data
		770	mov eax, [cache_ide2_system_data]
		771	ret
585	mario79	772	.ide2_appl_data:
2382	hidnplayr	773	mov eax, [cache_ide2_appl_data]
		774	ret
585	mario79	775	.ide3:
2382	hidnplayr	776	cmp [cd_appl_data], 0
		777	jne .ide3_appl_data
		778	mov eax, [cache_ide3_system_data]
		779	ret
585	mario79	780	.ide3_appl_data:
2382	hidnplayr	781	mov eax, [cache_ide3_appl_data]
		782	ret
585	mario79	783	;--------------------------------------------------------------------
		784	align 4
		785	cd_calculate_cache_3:
		786	; mov ecx,cache_max*10/100
		787	; mov edi,[cache_search_start]
		788
		789	; 1 - IDE0 ... 4 - IDE3
		790	.ide0:
2382	hidnplayr	791	cmp [cdpos], 1
		792	jne .ide1
		793	cmp [cd_appl_data], 0
		794	jne .ide0_appl_data
		795	mov edi, [cache_ide0_search_start]
		796	ret
585	mario79	797	.ide0_appl_data:
2382	hidnplayr	798	mov edi, [cache_ide0_appl_search_start]
		799	ret
585	mario79	800	.ide1:
2382	hidnplayr	801	cmp [cdpos], 2
		802	jne .ide2
		803	cmp [cd_appl_data], 0
		804	jne .ide1_appl_data
		805	mov edi, [cache_ide1_search_start]
		806	ret
585	mario79	807	.ide1_appl_data:
2382	hidnplayr	808	mov edi, [cache_ide1_appl_search_start]
		809	ret
585	mario79	810	.ide2:
2382	hidnplayr	811	cmp [cdpos], 3
		812	jne .ide3
		813	cmp [cd_appl_data], 0
		814	jne .ide2_appl_data
		815	mov edi, [cache_ide2_search_start]
		816	ret
585	mario79	817	.ide2_appl_data:
2382	hidnplayr	818	mov edi, [cache_ide2_appl_search_start]
		819	ret
585	mario79	820	.ide3:
2382	hidnplayr	821	cmp [cd_appl_data], 0
		822	jne .ide3_appl_data
		823	mov edi, [cache_ide3_search_start]
		824	ret
585	mario79	825	.ide3_appl_data:
2382	hidnplayr	826	mov edi, [cache_ide3_appl_search_start]
		827	ret
585	mario79	828	;--------------------------------------------------------------------
		829	align 4
		830	cd_calculate_cache_4:
		831	; cmp edi,cache_max
		832	; 1 - IDE0 ... 4 - IDE3
		833	.ide0:
2382	hidnplayr	834	cmp [cdpos], 1
		835	jne .ide1
		836	cmp [cd_appl_data], 0
		837	jne .ide0_appl_data
		838	cmp edi, [cache_ide0_system_sad_size]
		839	ret
585	mario79	840	.ide0_appl_data:
2382	hidnplayr	841	cmp edi, [cache_ide0_appl_sad_size]
		842	ret
585	mario79	843	.ide1:
2382	hidnplayr	844	cmp [cdpos], 2
		845	jne .ide2
		846	cmp [cd_appl_data], 0
		847	jne .ide1_appl_data
		848	cmp edi, [cache_ide1_system_sad_size]
		849	ret
585	mario79	850	.ide1_appl_data:
2382	hidnplayr	851	cmp edi, [cache_ide1_appl_sad_size]
		852	ret
585	mario79	853	.ide2:
2382	hidnplayr	854	cmp [cdpos], 3
		855	jne .ide3
		856	cmp [cd_appl_data], 0
		857	jne .ide2_appl_data
		858	cmp edi, [cache_ide2_system_sad_size]
		859	ret
585	mario79	860	.ide2_appl_data:
2382	hidnplayr	861	cmp edi, [cache_ide2_appl_sad_size]
		862	ret
585	mario79	863	.ide3:
2382	hidnplayr	864	cmp [cd_appl_data], 0
		865	jne .ide3_appl_data
		866	cmp edi, [cache_ide3_system_sad_size]
		867	ret
585	mario79	868	.ide3_appl_data:
2382	hidnplayr	869	cmp edi, [cache_ide3_appl_sad_size]
		870	ret
585	mario79	871	;--------------------------------------------------------------------
		872	align 4
		873	cd_calculate_cache_5:
		874	; mov [cache_search_start],edi
		875	; 1 - IDE0 ... 4 - IDE3
		876	.ide0:
2382	hidnplayr	877	cmp [cdpos], 1
		878	jne .ide1
		879	cmp [cd_appl_data], 0
		880	jne .ide0_appl_data
		881	mov [cache_ide0_search_start], edi
		882	ret
585	mario79	883	.ide0_appl_data:
2382	hidnplayr	884	mov [cache_ide0_appl_search_start], edi
		885	ret
585	mario79	886	.ide1:
2382	hidnplayr	887	cmp [cdpos], 2
		888	jne .ide2
		889	cmp [cd_appl_data], 0
		890	jne .ide1_appl_data
		891	mov [cache_ide1_search_start], edi
		892	ret
585	mario79	893	.ide1_appl_data:
2382	hidnplayr	894	mov [cache_ide1_appl_search_start], edi
		895	ret
585	mario79	896	.ide2:
2382	hidnplayr	897	cmp [cdpos], 3
		898	jne .ide3
		899	cmp [cd_appl_data], 0
		900	jne .ide2_appl_data
		901	mov [cache_ide2_search_start], edi
		902	ret
585	mario79	903	.ide2_appl_data:
2382	hidnplayr	904	mov [cache_ide2_appl_search_start], edi
		905	ret
585	mario79	906	.ide3:
2382	hidnplayr	907	cmp [cd_appl_data], 0
		908	jne .ide3_appl_data
		909	mov [cache_ide3_search_start], edi
		910	ret
585	mario79	911	.ide3_appl_data:
2382	hidnplayr	912	mov [cache_ide3_appl_search_start], edi
		913	ret
585	mario79	914	;--------------------------------------------------------------------
		915	;align 4
		916	;calculate_linear_to_real:
		917	; shr eax, 12
		918	; mov eax, [page_tabs+eax*4]
		919	; and eax, 0xFFFFF000
		920	; ret

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(root)/kernel/branches/net/blkdev/ide_cache.inc – Rev 3359