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

Rev	Author	Line No.	Line
750	victor	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2465	Serge	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
750	victor	24	$Revision: 3725 $
593	mikedld	25
		26
580	mario79	27	align 4
		28	write_cache:
		29	;-----------------------------------------------------------
		30	; write all changed sectors to disk
		31	;-----------------------------------------------------------
3555	Serge	32	push eax ecx edx esi edi
580	mario79	33
		34	; write difference ( 2 ) from cache to hd
3555	Serge	35	call calculate_cache
2434	Serge	36	add esi, 8
		37	mov edi, 1
585	mario79	38	write_cache_more:
2434	Serge	39	cmp dword [esi+4], 2; if cache slot is not different
3555	Serge	40	jne .write_chain
2434	Serge	41	mov dword [esi+4], 1; same as in hd
		42	mov eax, [esi] ; eax = sector to write
		43	cmp eax, [PARTITION_START]
3555	Serge	44	jb danger
2434	Serge	45	cmp eax, [PARTITION_END]
3555	Serge	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
3555	Serge	50	cmp [allow_dma_access], 2
		51	jae .nodma
		52	cmp [dma_hdd], 1
		53	jnz .nodma
709	diamond	54	@@:
3555	Serge	55	; Объединяем запись цепочки последовательных секторов в одно обращение к диску
		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	@@:
3555	Serge	72	inc [cache_chain_size]
		73	cmp [cache_chain_size], 16
		74	jnz .continue
		75	jmp .write_chain
580	mario79	76	.nonext:
3555	Serge	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:
3555	Serge	83	call cache_write_pio
580	mario79	84	.write_chain:
3555	Serge	85	call flush_cache_chain
580	mario79	86	.continue:
585	mario79	87	danger:
2434	Serge	88	add esi, 8
3555	Serge	89	inc edi
		90	dec ecx
		91	jnz write_cache_more
		92	call flush_cache_chain
580	mario79	93	return_02:
3555	Serge	94	pop edi esi edx ecx eax
		95	ret
580	mario79	96
		97	flush_cache_chain:
3555	Serge	98	cmp [cache_chain_started], 0
		99	jz @f
		100	call write_cache_chain
		101	mov [cache_chain_started], 0
580	mario79	102	@@:
3555	Serge	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:
3555	Serge	114	call calculate_cache_3
2434	Serge	115	shr ecx, 3
585	mario79	116	search_for_empty:
3555	Serge	117	inc edi
		118	call calculate_cache_4
		119	jbe inside_cache
2434	Serge	120	mov edi, 1
585	mario79	121	inside_cache:
3555	Serge	122	push esi
		123	call calculate_cache_1
2434	Serge	124	cmp dword [edi*8+esi+4], 2
3555	Serge	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
2434	Serge	130	cmp [hd_error], 0
3555	Serge	131	jne found_slot_access_denied
		132	jmp search_again ; and start again
585	mario79	133	found_slot:
3555	Serge	134	call calculate_cache_5
585	mario79	135	found_slot_access_denied:
3555	Serge	136	ret
585	mario79	137	;--------------------------------------------------------------------
580	mario79	138	align 4
		139	calculate_cache:
		140	; 1 - IDE0 ... 4 - IDE3
		141	.ide0:
2434	Serge	142	cmp [hdpos], 1
3555	Serge	143	jne .ide1
2434	Serge	144	cmp [hdd_appl_data], 0
3555	Serge	145	jne .ide0_appl_data
2434	Serge	146	mov ecx, [cache_ide0_system_sad_size]
		147	mov esi, [cache_ide0_pointer]
3555	Serge	148	ret
580	mario79	149	.ide0_appl_data:
2434	Serge	150	mov ecx, [cache_ide0_appl_sad_size]
		151	mov esi, [cache_ide0_data_pointer]
3555	Serge	152	ret
580	mario79	153	.ide1:
2434	Serge	154	cmp [hdpos], 2
3555	Serge	155	jne .ide2
2434	Serge	156	cmp [hdd_appl_data], 0
3555	Serge	157	jne .ide1_appl_data
2434	Serge	158	mov ecx, [cache_ide1_system_sad_size]
		159	mov esi, [cache_ide1_pointer]
3555	Serge	160	ret
580	mario79	161	.ide1_appl_data:
2434	Serge	162	mov ecx, [cache_ide1_appl_sad_size]
		163	mov esi, [cache_ide1_data_pointer]
3555	Serge	164	ret
580	mario79	165	.ide2:
2434	Serge	166	cmp [hdpos], 3
3555	Serge	167	jne .ide3
2434	Serge	168	cmp [hdd_appl_data], 0
3555	Serge	169	jne .ide2_appl_data
2434	Serge	170	mov ecx, [cache_ide2_system_sad_size]
		171	mov esi, [cache_ide2_pointer]
3555	Serge	172	ret
580	mario79	173	.ide2_appl_data:
2434	Serge	174	mov ecx, [cache_ide2_appl_sad_size]
		175	mov esi, [cache_ide2_data_pointer]
3555	Serge	176	ret
580	mario79	177	.ide3:
2434	Serge	178	cmp [hdpos], 4
3555	Serge	179	jne .noide
2434	Serge	180	cmp [hdd_appl_data], 0
3555	Serge	181	jne .ide3_appl_data
2434	Serge	182	mov ecx, [cache_ide3_system_sad_size]
		183	mov esi, [cache_ide3_pointer]
3555	Serge	184	ret
580	mario79	185	.ide3_appl_data:
2434	Serge	186	mov ecx, [cache_ide3_appl_sad_size]
		187	mov esi, [cache_ide3_data_pointer]
3555	Serge	188	ret
709	diamond	189	.noide:
3555	Serge	190	push eax
2434	Serge	191	mov eax, [hdpos]
		192	sub eax, 80h
3555	Serge	193	cmp byte [BiosDisksData+eax*4+2], -1
		194	jz @f
2434	Serge	195	movzx eax, byte [BiosDisksData+eax*4+2]
		196	imul eax, cache_ide1-cache_ide0
		197	add eax, cache_ide0
3555	Serge	198	jmp .get
709	diamond	199	@@:
2434	Serge	200	imul eax, cache_ide1-cache_ide0
		201	add eax, BiosDiskCaches
709	diamond	202	.get:
2434	Serge	203	cmp [hdd_appl_data], 0
3555	Serge	204	jne .bd_appl_data
2434	Serge	205	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		206	mov esi, [cache_ide0_pointer-cache_ide0+eax]
3555	Serge	207	pop eax
		208	ret
709	diamond	209	.bd_appl_data:
2434	Serge	210	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		211	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
3555	Serge	212	pop eax
		213	ret
580	mario79	214	;--------------------------------------------------------------------
		215	align 4
		216	calculate_cache_1:
		217	; 1 - IDE0 ... 4 - IDE3
		218	.ide0:
2434	Serge	219	cmp [hdpos], 1
3555	Serge	220	jne .ide1
2434	Serge	221	cmp [hdd_appl_data], 0
3555	Serge	222	jne .ide0_appl_data
2434	Serge	223	mov esi, [cache_ide0_pointer]
3555	Serge	224	ret
580	mario79	225	.ide0_appl_data:
2434	Serge	226	mov esi, [cache_ide0_data_pointer]
3555	Serge	227	ret
580	mario79	228	.ide1:
2434	Serge	229	cmp [hdpos], 2
3555	Serge	230	jne .ide2
2434	Serge	231	cmp [hdd_appl_data], 0
3555	Serge	232	jne .ide1_appl_data
2434	Serge	233	mov esi, [cache_ide1_pointer]
3555	Serge	234	ret
580	mario79	235	.ide1_appl_data:
2434	Serge	236	mov esi, [cache_ide1_data_pointer]
3555	Serge	237	ret
580	mario79	238	.ide2:
2434	Serge	239	cmp [hdpos], 3
3555	Serge	240	jne .ide3
2434	Serge	241	cmp [hdd_appl_data], 0
3555	Serge	242	jne .ide2_appl_data
2434	Serge	243	mov esi, [cache_ide2_pointer]
3555	Serge	244	ret
580	mario79	245	.ide2_appl_data:
2434	Serge	246	mov esi, [cache_ide2_data_pointer]
3555	Serge	247	ret
580	mario79	248	.ide3:
2434	Serge	249	cmp [hdpos], 4
3555	Serge	250	jne .noide
2434	Serge	251	cmp [hdd_appl_data], 0
3555	Serge	252	jne .ide3_appl_data
2434	Serge	253	mov esi, [cache_ide3_pointer]
3555	Serge	254	ret
580	mario79	255	.ide3_appl_data:
2434	Serge	256	mov esi, [cache_ide3_data_pointer]
3555	Serge	257	ret
709	diamond	258	.noide:
3555	Serge	259	push eax
2434	Serge	260	mov eax, [hdpos]
		261	sub eax, 80h
3555	Serge	262	cmp byte [BiosDisksData+eax*4+2], -1
		263	jz @f
2434	Serge	264	movzx eax, byte [BiosDisksData+eax*4+2]
		265	imul eax, cache_ide1-cache_ide0
		266	add eax, cache_ide0
3555	Serge	267	jmp .get
709	diamond	268	@@:
2434	Serge	269	imul eax, cache_ide1-cache_ide0
		270	add eax, BiosDiskCaches
709	diamond	271	.get:
2434	Serge	272	cmp [hdd_appl_data], 0
3555	Serge	273	jne .bd_appl_data
2434	Serge	274	mov esi, [cache_ide0_pointer-cache_ide0+eax]
3555	Serge	275	pop eax
		276	ret
709	diamond	277	.bd_appl_data:
2434	Serge	278	mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
3555	Serge	279	pop eax
		280	ret
709	diamond	281
580	mario79	282	;--------------------------------------------------------------------
		283	align 4
		284	calculate_cache_2:
		285	; 1 - IDE0 ... 4 - IDE3
		286	.ide0:
2434	Serge	287	cmp [hdpos], 1
3555	Serge	288	jne .ide1
2434	Serge	289	cmp [hdd_appl_data], 0
3555	Serge	290	jne .ide0_appl_data
2434	Serge	291	mov eax, [cache_ide0_system_data]
3555	Serge	292	ret
580	mario79	293	.ide0_appl_data:
2434	Serge	294	mov eax, [cache_ide0_appl_data]
3555	Serge	295	ret
580	mario79	296	.ide1:
2434	Serge	297	cmp [hdpos], 2
3555	Serge	298	jne .ide2
2434	Serge	299	cmp [hdd_appl_data], 0
3555	Serge	300	jne .ide1_appl_data
2434	Serge	301	mov eax, [cache_ide1_system_data]
3555	Serge	302	ret
580	mario79	303	.ide1_appl_data:
2434	Serge	304	mov eax, [cache_ide1_appl_data]
3555	Serge	305	ret
580	mario79	306	.ide2:
2434	Serge	307	cmp [hdpos], 3
3555	Serge	308	jne .ide3
2434	Serge	309	cmp [hdd_appl_data], 0
3555	Serge	310	jne .ide2_appl_data
2434	Serge	311	mov eax, [cache_ide2_system_data]
3555	Serge	312	ret
580	mario79	313	.ide2_appl_data:
2434	Serge	314	mov eax, [cache_ide2_appl_data]
3555	Serge	315	ret
580	mario79	316	.ide3:
2434	Serge	317	cmp [hdpos], 4
3555	Serge	318	jne .noide
2434	Serge	319	cmp [hdd_appl_data], 0
3555	Serge	320	jne .ide3_appl_data
2434	Serge	321	mov eax, [cache_ide3_system_data]
3555	Serge	322	ret
580	mario79	323	.ide3_appl_data:
2434	Serge	324	mov eax, [cache_ide3_appl_data]
3555	Serge	325	ret
709	diamond	326	.noide:
2434	Serge	327	mov eax, [hdpos]
		328	sub eax, 80h
3555	Serge	329	cmp byte [BiosDisksData+eax*4+2], -1
		330	jz @f
2434	Serge	331	movzx eax, byte [BiosDisksData+eax*4+2]
		332	imul eax, cache_ide1-cache_ide0
		333	add eax, cache_ide0
3555	Serge	334	jmp .get
709	diamond	335	@@:
2434	Serge	336	imul eax, cache_ide1-cache_ide0
		337	add eax, BiosDiskCaches
709	diamond	338	.get:
2434	Serge	339	cmp [hdd_appl_data], 0
3555	Serge	340	jne .bd_appl_data
2434	Serge	341	mov eax, [cache_ide0_system_data-cache_ide0+eax]
3555	Serge	342	ret
709	diamond	343	.bd_appl_data:
2434	Serge	344	mov eax, [cache_ide0_appl_data-cache_ide0+eax]
3555	Serge	345	ret
580	mario79	346	;--------------------------------------------------------------------
		347	align 4
		348	calculate_cache_3:
		349	; mov ecx,cache_max*10/100
		350	; mov edi,[cache_search_start]
		351
		352	; 1 - IDE0 ... 4 - IDE3
		353	.ide0:
2434	Serge	354	cmp [hdpos], 1
3555	Serge	355	jne .ide1
2434	Serge	356	cmp [hdd_appl_data], 0
3555	Serge	357	jne .ide0_appl_data
2434	Serge	358	mov ecx, [cache_ide0_system_sad_size]
		359	mov edi, [cache_ide0_search_start]
3555	Serge	360	ret
580	mario79	361	.ide0_appl_data:
2434	Serge	362	mov ecx, [cache_ide0_appl_sad_size]
		363	mov edi, [cache_ide0_appl_search_start]
3555	Serge	364	ret
580	mario79	365	.ide1:
2434	Serge	366	cmp [hdpos], 2
3555	Serge	367	jne .ide2
2434	Serge	368	cmp [hdd_appl_data], 0
3555	Serge	369	jne .ide1_appl_data
2434	Serge	370	mov ecx, [cache_ide1_system_sad_size]
		371	mov edi, [cache_ide1_search_start]
3555	Serge	372	ret
580	mario79	373	.ide1_appl_data:
2434	Serge	374	mov ecx, [cache_ide1_appl_sad_size]
		375	mov edi, [cache_ide1_appl_search_start]
3555	Serge	376	ret
580	mario79	377	.ide2:
2434	Serge	378	cmp [hdpos], 3
3555	Serge	379	jne .ide3
2434	Serge	380	cmp [hdd_appl_data], 0
3555	Serge	381	jne .ide2_appl_data
2434	Serge	382	mov ecx, [cache_ide2_system_sad_size]
		383	mov edi, [cache_ide2_search_start]
3555	Serge	384	ret
580	mario79	385	.ide2_appl_data:
2434	Serge	386	mov ecx, [cache_ide2_appl_sad_size]
		387	mov edi, [cache_ide2_appl_search_start]
3555	Serge	388	ret
580	mario79	389	.ide3:
2434	Serge	390	cmp [hdpos], 4
3555	Serge	391	jne .noide
2434	Serge	392	cmp [hdd_appl_data], 0
3555	Serge	393	jne .ide3_appl_data
2434	Serge	394	mov ecx, [cache_ide3_system_sad_size]
		395	mov edi, [cache_ide3_search_start]
3555	Serge	396	ret
580	mario79	397	.ide3_appl_data:
2434	Serge	398	mov ecx, [cache_ide3_appl_sad_size]
		399	mov edi, [cache_ide3_appl_search_start]
3555	Serge	400	ret
709	diamond	401	.noide:
3555	Serge	402	push eax
2434	Serge	403	mov eax, [hdpos]
		404	sub eax, 80h
3555	Serge	405	cmp byte [BiosDisksData+eax*4+2], -1
		406	jz @f
2434	Serge	407	movzx eax, byte [BiosDisksData+eax*4+2]
		408	imul eax, cache_ide1-cache_ide0
		409	add eax, cache_ide0
3555	Serge	410	jmp .get
709	diamond	411	@@:
2434	Serge	412	imul eax, cache_ide1-cache_ide0
		413	add eax, BiosDiskCaches
709	diamond	414	.get:
2434	Serge	415	cmp [hdd_appl_data], 0
3555	Serge	416	jne .bd_appl_data
2434	Serge	417	mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
		418	mov edi, [cache_ide0_search_start-cache_ide0+eax]
3555	Serge	419	pop eax
		420	ret
709	diamond	421	.bd_appl_data:
2434	Serge	422	mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
		423	mov edi, [cache_ide0_appl_search_start-cache_ide0+eax]
3555	Serge	424	pop eax
		425	ret
580	mario79	426	;--------------------------------------------------------------------
		427	align 4
		428	calculate_cache_4:
		429	; cmp edi,cache_max
		430	; 1 - IDE0 ... 4 - IDE3
		431	.ide0:
2434	Serge	432	cmp [hdpos], 1
3555	Serge	433	jne .ide1
2434	Serge	434	cmp [hdd_appl_data], 0
3555	Serge	435	jne .ide0_appl_data
2434	Serge	436	cmp edi, [cache_ide0_system_sad_size]
3555	Serge	437	ret
580	mario79	438	.ide0_appl_data:
2434	Serge	439	cmp edi, [cache_ide0_appl_sad_size]
3555	Serge	440	ret
580	mario79	441	.ide1:
2434	Serge	442	cmp [hdpos], 2
3555	Serge	443	jne .ide2
2434	Serge	444	cmp [hdd_appl_data], 0
3555	Serge	445	jne .ide1_appl_data
2434	Serge	446	cmp edi, [cache_ide1_system_sad_size]
3555	Serge	447	ret
580	mario79	448	.ide1_appl_data:
2434	Serge	449	cmp edi, [cache_ide1_appl_sad_size]
3555	Serge	450	ret
580	mario79	451	.ide2:
2434	Serge	452	cmp [hdpos], 3
3555	Serge	453	jne .ide3
2434	Serge	454	cmp [hdd_appl_data], 0
3555	Serge	455	jne .ide2_appl_data
2434	Serge	456	cmp edi, [cache_ide2_system_sad_size]
3555	Serge	457	ret
580	mario79	458	.ide2_appl_data:
2434	Serge	459	cmp edi, [cache_ide2_appl_sad_size]
3555	Serge	460	ret
580	mario79	461	.ide3:
2434	Serge	462	cmp [hdpos], 4
3555	Serge	463	jne .noide
2434	Serge	464	cmp [hdd_appl_data], 0
3555	Serge	465	jne .ide3_appl_data
2434	Serge	466	cmp edi, [cache_ide3_system_sad_size]
3555	Serge	467	ret
580	mario79	468	.ide3_appl_data:
2434	Serge	469	cmp edi, [cache_ide3_appl_sad_size]
3555	Serge	470	ret
709	diamond	471	.noide:
3555	Serge	472	push eax
2434	Serge	473	mov eax, [hdpos]
		474	sub eax, 80h
3555	Serge	475	cmp byte [BiosDisksData+eax*4+2], -1
		476	jz @f
2434	Serge	477	movzx eax, byte [BiosDisksData+eax*4+2]
		478	imul eax, cache_ide1-cache_ide0
		479	add eax, cache_ide0
3555	Serge	480	jmp .get
709	diamond	481	@@:
2434	Serge	482	imul eax, cache_ide1-cache_ide0
		483	add eax, BiosDiskCaches
709	diamond	484	.get:
2434	Serge	485	cmp [hdd_appl_data], 0
3555	Serge	486	jne .bd_appl_data
2434	Serge	487	cmp edi, [cache_ide0_system_sad_size-cache_ide0+eax]
3555	Serge	488	pop eax
		489	ret
709	diamond	490	.bd_appl_data:
2434	Serge	491	cmp edi, [cache_ide0_appl_sad_size-cache_ide0+eax]
3555	Serge	492	pop eax
		493	ret
709	diamond	494
580	mario79	495	;--------------------------------------------------------------------
		496	align 4
		497	calculate_cache_5:
		498	; mov [cache_search_start],edi
		499	; 1 - IDE0 ... 4 - IDE3
		500	.ide0:
2434	Serge	501	cmp [hdpos], 1
3555	Serge	502	jne .ide1
2434	Serge	503	cmp [hdd_appl_data], 0
3555	Serge	504	jne .ide0_appl_data
2434	Serge	505	mov [cache_ide0_search_start], edi
3555	Serge	506	ret
580	mario79	507	.ide0_appl_data:
2434	Serge	508	mov [cache_ide0_appl_search_start], edi
3555	Serge	509	ret
580	mario79	510	.ide1:
2434	Serge	511	cmp [hdpos], 2
3555	Serge	512	jne .ide2
2434	Serge	513	cmp [hdd_appl_data], 0
3555	Serge	514	jne .ide1_appl_data
2434	Serge	515	mov [cache_ide1_search_start], edi
3555	Serge	516	ret
580	mario79	517	.ide1_appl_data:
2434	Serge	518	mov [cache_ide1_appl_search_start], edi
3555	Serge	519	ret
580	mario79	520	.ide2:
2434	Serge	521	cmp [hdpos], 3
3555	Serge	522	jne .ide3
2434	Serge	523	cmp [hdd_appl_data], 0
3555	Serge	524	jne .ide2_appl_data
2434	Serge	525	mov [cache_ide2_search_start], edi
3555	Serge	526	ret
580	mario79	527	.ide2_appl_data:
2434	Serge	528	mov [cache_ide2_appl_search_start], edi
3555	Serge	529	ret
580	mario79	530	.ide3:
2434	Serge	531	cmp [hdpos], 4
3555	Serge	532	jne .noide
2434	Serge	533	cmp [hdd_appl_data], 0
3555	Serge	534	jne .ide3_appl_data
2434	Serge	535	mov [cache_ide3_search_start], edi
3555	Serge	536	ret
580	mario79	537	.ide3_appl_data:
2434	Serge	538	mov [cache_ide3_appl_search_start], edi
3555	Serge	539	ret
709	diamond	540	.noide:
3555	Serge	541	push eax
2434	Serge	542	mov eax, [hdpos]
		543	sub eax, 80h
3555	Serge	544	cmp byte [BiosDisksData+eax*4+2], -1
		545	jz @f
2434	Serge	546	movzx eax, byte [BiosDisksData+eax*4+2]
		547	imul eax, cache_ide1-cache_ide0
		548	add eax, cache_ide0
3555	Serge	549	jmp .get
709	diamond	550	@@:
2434	Serge	551	imul eax, cache_ide1-cache_ide0
		552	add eax, BiosDiskCaches
709	diamond	553	.get:
2434	Serge	554	cmp [hdd_appl_data], 0
3555	Serge	555	jne .bd_appl_data
2434	Serge	556	mov [cache_ide0_search_start-cache_ide0+eax], edi
3555	Serge	557	pop eax
		558	ret
709	diamond	559	.bd_appl_data:
2434	Serge	560	mov [cache_ide0_appl_search_start-cache_ide0+eax], edi
3555	Serge	561	pop eax
		562	ret
585	mario79	563
580	mario79	564	;--------------------------------------------------------------------
		565	align 4
585	mario79	566	find_empty_slot_CD_cache:
		567	;-----------------------------------------------------------
		568	; find empty or read slot, flush cache if next 10% is used by write
		569	; output : edi = cache slot
		570	;-----------------------------------------------------------
		571	.search_again:
3555	Serge	572	call cd_calculate_cache_3
585	mario79	573	.search_for_empty:
3555	Serge	574	inc edi
		575	call cd_calculate_cache_4
		576	jbe .inside_cache
2434	Serge	577	mov edi, 1
585	mario79	578	.inside_cache:
3555	Serge	579	call cd_calculate_cache_5
		580	ret
585	mario79	581	;--------------------------------------------------------------------
		582	clear_CD_cache:
3555	Serge	583	pusha
585	mario79	584	.ide0:
2434	Serge	585	xor eax, eax
		586	cmp [cdpos], 1
3555	Serge	587	jne .ide1
2434	Serge	588	mov [cache_ide0_search_start], eax
		589	mov ecx, [cache_ide0_system_sad_size]
		590	mov edi, [cache_ide0_pointer]
3555	Serge	591	call .clear
2434	Serge	592	mov [cache_ide0_appl_search_start], eax
		593	mov ecx, [cache_ide0_appl_sad_size]
		594	mov edi, [cache_ide0_data_pointer]
3555	Serge	595	jmp .continue
585	mario79	596	.ide1:
2434	Serge	597	cmp [cdpos], 2
3555	Serge	598	jne .ide2
2434	Serge	599	mov [cache_ide1_search_start], eax
		600	mov ecx, [cache_ide1_system_sad_size]
		601	mov edi, [cache_ide1_pointer]
3555	Serge	602	call .clear
2434	Serge	603	mov [cache_ide1_appl_search_start], eax
		604	mov ecx, [cache_ide1_appl_sad_size]
		605	mov edi, [cache_ide1_data_pointer]
3555	Serge	606	jmp .continue
585	mario79	607	.ide2:
2434	Serge	608	cmp [cdpos], 3
3555	Serge	609	jne .ide3
2434	Serge	610	mov [cache_ide2_search_start], eax
		611	mov ecx, [cache_ide2_system_sad_size]
		612	mov edi, [cache_ide2_pointer]
3555	Serge	613	call .clear
2434	Serge	614	mov [cache_ide2_appl_search_start], eax
		615	mov ecx, [cache_ide2_appl_sad_size]
		616	mov edi, [cache_ide2_data_pointer]
3555	Serge	617	jmp .continue
585	mario79	618	.ide3:
2434	Serge	619	mov [cache_ide3_search_start], eax
		620	mov ecx, [cache_ide3_system_sad_size]
		621	mov edi, [cache_ide3_pointer]
3555	Serge	622	call .clear
2434	Serge	623	mov [cache_ide3_appl_search_start], eax
		624	mov ecx, [cache_ide3_appl_sad_size]
		625	mov edi, [cache_ide3_data_pointer]
585	mario79	626	.continue:
3555	Serge	627	call .clear
		628	popa
		629	ret
585	mario79	630	.clear:
2434	Serge	631	shl ecx, 1
3555	Serge	632	cld
		633	rep stosd
		634	ret
585	mario79	635	;--------------------------------------------------------------------
		636	align 4
		637	cd_calculate_cache:
		638	; 1 - IDE0 ... 4 - IDE3
		639	.ide0:
2434	Serge	640	cmp [cdpos], 1
3555	Serge	641	jne .ide1
2434	Serge	642	cmp [cd_appl_data], 0
3555	Serge	643	jne .ide0_appl_data
2434	Serge	644	mov ecx, [cache_ide0_system_sad_size]
		645	mov esi, [cache_ide0_pointer]
3555	Serge	646	ret
585	mario79	647	.ide0_appl_data:
2434	Serge	648	mov ecx, [cache_ide0_appl_sad_size]
		649	mov esi, [cache_ide0_data_pointer]
3555	Serge	650	ret
585	mario79	651	.ide1:
2434	Serge	652	cmp [cdpos], 2
3555	Serge	653	jne .ide2
2434	Serge	654	cmp [cd_appl_data], 0
3555	Serge	655	jne .ide1_appl_data
2434	Serge	656	mov ecx, [cache_ide1_system_sad_size]
		657	mov esi, [cache_ide1_pointer]
3555	Serge	658	ret
585	mario79	659	.ide1_appl_data:
2434	Serge	660	mov ecx, [cache_ide1_appl_sad_size]
		661	mov esi, [cache_ide1_data_pointer]
3555	Serge	662	ret
585	mario79	663	.ide2:
2434	Serge	664	cmp [cdpos], 3
3555	Serge	665	jne .ide3
2434	Serge	666	cmp [cd_appl_data], 0
3555	Serge	667	jne .ide2_appl_data
2434	Serge	668	mov ecx, [cache_ide2_system_sad_size]
		669	mov esi, [cache_ide2_pointer]
3555	Serge	670	ret
585	mario79	671	.ide2_appl_data:
2434	Serge	672	mov ecx, [cache_ide2_appl_sad_size]
		673	mov esi, [cache_ide2_data_pointer]
3555	Serge	674	ret
585	mario79	675	.ide3:
2434	Serge	676	cmp [cd_appl_data], 0
3555	Serge	677	jne .ide3_appl_data
2434	Serge	678	mov ecx, [cache_ide3_system_sad_size]
		679	mov esi, [cache_ide3_pointer]
3555	Serge	680	ret
585	mario79	681	.ide3_appl_data:
2434	Serge	682	mov ecx, [cache_ide3_appl_sad_size]
		683	mov esi, [cache_ide3_data_pointer]
3555	Serge	684	ret
585	mario79	685	;--------------------------------------------------------------------
		686	align 4
		687	cd_calculate_cache_1:
		688	; 1 - IDE0 ... 4 - IDE3
		689	.ide0:
2434	Serge	690	cmp [cdpos], 1
3555	Serge	691	jne .ide1
2434	Serge	692	cmp [cd_appl_data], 0
3555	Serge	693	jne .ide0_appl_data
2434	Serge	694	mov esi, [cache_ide0_pointer]
3555	Serge	695	ret
585	mario79	696	.ide0_appl_data:
2434	Serge	697	mov esi, [cache_ide0_data_pointer]
3555	Serge	698	ret
585	mario79	699	.ide1:
2434	Serge	700	cmp [cdpos], 2
3555	Serge	701	jne .ide2
2434	Serge	702	cmp [cd_appl_data], 0
3555	Serge	703	jne .ide1_appl_data
2434	Serge	704	mov esi, [cache_ide1_pointer]
3555	Serge	705	ret
585	mario79	706	.ide1_appl_data:
2434	Serge	707	mov esi, [cache_ide1_data_pointer]
3555	Serge	708	ret
585	mario79	709	.ide2:
2434	Serge	710	cmp [cdpos], 3
3555	Serge	711	jne .ide3
2434	Serge	712	cmp [cd_appl_data], 0
3555	Serge	713	jne .ide2_appl_data
2434	Serge	714	mov esi, [cache_ide2_pointer]
3555	Serge	715	ret
585	mario79	716	.ide2_appl_data:
2434	Serge	717	mov esi, [cache_ide2_data_pointer]
3555	Serge	718	ret
585	mario79	719	.ide3:
2434	Serge	720	cmp [cd_appl_data], 0
3555	Serge	721	jne .ide3_appl_data
2434	Serge	722	mov esi, [cache_ide3_pointer]
3555	Serge	723	ret
585	mario79	724	.ide3_appl_data:
2434	Serge	725	mov esi, [cache_ide3_data_pointer]
3555	Serge	726	ret
585	mario79	727	;--------------------------------------------------------------------
		728	align 4
		729	cd_calculate_cache_2:
		730	; 1 - IDE0 ... 4 - IDE3
		731	.ide0:
2434	Serge	732	cmp [cdpos], 1
3555	Serge	733	jne .ide1
2434	Serge	734	cmp [cd_appl_data], 0
3555	Serge	735	jne .ide0_appl_data
2434	Serge	736	mov eax, [cache_ide0_system_data]
3555	Serge	737	ret
585	mario79	738	.ide0_appl_data:
2434	Serge	739	mov eax, [cache_ide0_appl_data]
3555	Serge	740	ret
585	mario79	741	.ide1:
2434	Serge	742	cmp [cdpos], 2
3555	Serge	743	jne .ide2
2434	Serge	744	cmp [cd_appl_data], 0
3555	Serge	745	jne .ide1_appl_data
2434	Serge	746	mov eax, [cache_ide1_system_data]
3555	Serge	747	ret
585	mario79	748	.ide1_appl_data:
2434	Serge	749	mov eax, [cache_ide1_appl_data]
3555	Serge	750	ret
585	mario79	751	.ide2:
2434	Serge	752	cmp [cdpos], 3
3555	Serge	753	jne .ide3
2434	Serge	754	cmp [cd_appl_data], 0
3555	Serge	755	jne .ide2_appl_data
2434	Serge	756	mov eax, [cache_ide2_system_data]
3555	Serge	757	ret
585	mario79	758	.ide2_appl_data:
2434	Serge	759	mov eax, [cache_ide2_appl_data]
3555	Serge	760	ret
585	mario79	761	.ide3:
2434	Serge	762	cmp [cd_appl_data], 0
3555	Serge	763	jne .ide3_appl_data
2434	Serge	764	mov eax, [cache_ide3_system_data]
3555	Serge	765	ret
585	mario79	766	.ide3_appl_data:
2434	Serge	767	mov eax, [cache_ide3_appl_data]
3555	Serge	768	ret
585	mario79	769	;--------------------------------------------------------------------
		770	align 4
		771	cd_calculate_cache_3:
		772	; mov ecx,cache_max*10/100
		773	; mov edi,[cache_search_start]
		774
		775	; 1 - IDE0 ... 4 - IDE3
		776	.ide0:
2434	Serge	777	cmp [cdpos], 1
3555	Serge	778	jne .ide1
2434	Serge	779	cmp [cd_appl_data], 0
3555	Serge	780	jne .ide0_appl_data
2434	Serge	781	mov edi, [cache_ide0_search_start]
3555	Serge	782	ret
585	mario79	783	.ide0_appl_data:
2434	Serge	784	mov edi, [cache_ide0_appl_search_start]
3555	Serge	785	ret
585	mario79	786	.ide1:
2434	Serge	787	cmp [cdpos], 2
3555	Serge	788	jne .ide2
2434	Serge	789	cmp [cd_appl_data], 0
3555	Serge	790	jne .ide1_appl_data
2434	Serge	791	mov edi, [cache_ide1_search_start]
3555	Serge	792	ret
585	mario79	793	.ide1_appl_data:
2434	Serge	794	mov edi, [cache_ide1_appl_search_start]
3555	Serge	795	ret
585	mario79	796	.ide2:
2434	Serge	797	cmp [cdpos], 3
3555	Serge	798	jne .ide3
2434	Serge	799	cmp [cd_appl_data], 0
3555	Serge	800	jne .ide2_appl_data
2434	Serge	801	mov edi, [cache_ide2_search_start]
3555	Serge	802	ret
585	mario79	803	.ide2_appl_data:
2434	Serge	804	mov edi, [cache_ide2_appl_search_start]
3555	Serge	805	ret
585	mario79	806	.ide3:
2434	Serge	807	cmp [cd_appl_data], 0
3555	Serge	808	jne .ide3_appl_data
2434	Serge	809	mov edi, [cache_ide3_search_start]
3555	Serge	810	ret
585	mario79	811	.ide3_appl_data:
2434	Serge	812	mov edi, [cache_ide3_appl_search_start]
3555	Serge	813	ret
585	mario79	814	;--------------------------------------------------------------------
		815	align 4
		816	cd_calculate_cache_4:
		817	; cmp edi,cache_max
		818	; 1 - IDE0 ... 4 - IDE3
		819	.ide0:
2434	Serge	820	cmp [cdpos], 1
3555	Serge	821	jne .ide1
2434	Serge	822	cmp [cd_appl_data], 0
3555	Serge	823	jne .ide0_appl_data
2434	Serge	824	cmp edi, [cache_ide0_system_sad_size]
3555	Serge	825	ret
585	mario79	826	.ide0_appl_data:
2434	Serge	827	cmp edi, [cache_ide0_appl_sad_size]
3555	Serge	828	ret
585	mario79	829	.ide1:
2434	Serge	830	cmp [cdpos], 2
3555	Serge	831	jne .ide2
2434	Serge	832	cmp [cd_appl_data], 0
3555	Serge	833	jne .ide1_appl_data
2434	Serge	834	cmp edi, [cache_ide1_system_sad_size]
3555	Serge	835	ret
585	mario79	836	.ide1_appl_data:
2434	Serge	837	cmp edi, [cache_ide1_appl_sad_size]
3555	Serge	838	ret
585	mario79	839	.ide2:
2434	Serge	840	cmp [cdpos], 3
3555	Serge	841	jne .ide3
2434	Serge	842	cmp [cd_appl_data], 0
3555	Serge	843	jne .ide2_appl_data
2434	Serge	844	cmp edi, [cache_ide2_system_sad_size]
3555	Serge	845	ret
585	mario79	846	.ide2_appl_data:
2434	Serge	847	cmp edi, [cache_ide2_appl_sad_size]
3555	Serge	848	ret
585	mario79	849	.ide3:
2434	Serge	850	cmp [cd_appl_data], 0
3555	Serge	851	jne .ide3_appl_data
2434	Serge	852	cmp edi, [cache_ide3_system_sad_size]
3555	Serge	853	ret
585	mario79	854	.ide3_appl_data:
2434	Serge	855	cmp edi, [cache_ide3_appl_sad_size]
3555	Serge	856	ret
585	mario79	857	;--------------------------------------------------------------------
		858	align 4
		859	cd_calculate_cache_5:
		860	; mov [cache_search_start],edi
		861	; 1 - IDE0 ... 4 - IDE3
		862	.ide0:
2434	Serge	863	cmp [cdpos], 1
3555	Serge	864	jne .ide1
2434	Serge	865	cmp [cd_appl_data], 0
3555	Serge	866	jne .ide0_appl_data
2434	Serge	867	mov [cache_ide0_search_start], edi
3555	Serge	868	ret
585	mario79	869	.ide0_appl_data:
2434	Serge	870	mov [cache_ide0_appl_search_start], edi
3555	Serge	871	ret
585	mario79	872	.ide1:
2434	Serge	873	cmp [cdpos], 2
3555	Serge	874	jne .ide2
2434	Serge	875	cmp [cd_appl_data], 0
3555	Serge	876	jne .ide1_appl_data
2434	Serge	877	mov [cache_ide1_search_start], edi
3555	Serge	878	ret
585	mario79	879	.ide1_appl_data:
2434	Serge	880	mov [cache_ide1_appl_search_start], edi
3555	Serge	881	ret
585	mario79	882	.ide2:
2434	Serge	883	cmp [cdpos], 3
3555	Serge	884	jne .ide3
2434	Serge	885	cmp [cd_appl_data], 0
3555	Serge	886	jne .ide2_appl_data
2434	Serge	887	mov [cache_ide2_search_start], edi
3555	Serge	888	ret
585	mario79	889	.ide2_appl_data:
2434	Serge	890	mov [cache_ide2_appl_search_start], edi
3555	Serge	891	ret
585	mario79	892	.ide3:
2434	Serge	893	cmp [cd_appl_data], 0
3555	Serge	894	jne .ide3_appl_data
2434	Serge	895	mov [cache_ide3_search_start], edi
3555	Serge	896	ret
585	mario79	897	.ide3_appl_data:
2434	Serge	898	mov [cache_ide3_appl_search_start], edi
3555	Serge	899	ret
585	mario79	900	;--------------------------------------------------------------------
		901	;align 4
		902	;calculate_linear_to_real:
		903	; shr eax, 12
		904	; mov eax, [page_tabs+eax*4]
		905	; and eax, 0xFFFFF000
		906	; ret

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-acpi/blkdev/ide_cache.inc – Rev 3725