WebSVN – Kolibri OS – Blame – /kernel/branches/Kolibri-acpi/detect/getcache.inc

Rev	Author	Line No.	Line
580	mario79	1	;cache_ide0_pointer dd 0
		2	;cache_ide0_size dd 0 ; not use
		3	;cache_ide0_data_pointer dd 0
		4	;cache_ide0_system_data_size dd 0 ; not use
		5	;cache_ide0_appl_data_size dd 0 ; not use
		6	;cache_ide0_system_data dd 0
		7	;cache_ide0_appl_data dd 0
		8	;cache_ide0_system_sad_size dd 0
		9	;cache_ide0_appl_sad_size dd 0
		10
		11	pusha
		12
		13	mov eax,[pg_data.pages_free]
		14	; 1/32
		15	shr eax,5
		16	; round off up to 8 pages
		17	shr eax,3
		18	shl eax,3
		19	; translate pages in butes *4096
		20	shl eax,12
		21	; check a upper size of the cache, no more than 1 Mb on the physical device
		22	cmp eax,1024*1024
		23	jbe @f
		24	mov eax,1024*1024
		25	jmp .continue
		26	@@:
		27	; check a lower size of the cache, not less than 128 Kb on the physical device
		28	cmp eax,128*1024
		29	jae @f
		30	mov eax,128*1024
		31	@@:
		32	.continue:
		33	mov [cache_ide0_size],eax
		34	mov [cache_ide1_size],eax
		35	mov [cache_ide2_size],eax
		36	mov [cache_ide3_size],eax
		37	xor eax,eax
		38	mov [cache_ide0_search_start],eax
		39	mov [cache_ide0_appl_search_start],eax
		40	mov [cache_ide1_search_start],eax
		41	mov [cache_ide1_appl_search_start],eax
		42	mov [cache_ide2_search_start],eax
		43	mov [cache_ide2_appl_search_start],eax
		44	mov [cache_ide3_search_start],eax
		45	mov [cache_ide3_appl_search_start],eax
		46	mov [hdd_appl_data],1 ;al
		47
		48	mov cl,[DRIVE_DATA+1]
		49	mov ch,cl
		50	and cl,11b
		51	cmp cl,0
		52	je .ide2
		53	call get_cache_ide3
		54	.ide2:
		55	mov cl,ch
		56	and cl,1100b
		57	cmp cl,0
		58	je .ide1
		59	call get_cache_ide2
		60	.ide1:
		61	mov cl,ch
		62	and cl,110000b
		63	cmp cl,0
		64	je .ide0
		65	call get_cache_ide1
		66	.ide0:
		67	mov cl,ch
		68	and cl,11000000b
		69	cmp cl,0
		70	je end_get_cache
		71	call get_cache_ide0
		72	jmp end_get_cache
		73
		74	get_cache_ide0:
		75	push ecx
		76	stdcall kernel_alloc,[cache_ide0_size]
		77	mov [cache_ide0_pointer],eax
		78	pop ecx
		79	mov edx,eax
		80	mov eax,[cache_ide0_size]
		81	shr eax,3
		82	mov [cache_ide0_system_data_size],eax
		83	mov ebx,eax
		84	imul eax,7
		85	mov [cache_ide0_appl_data_size],eax
		86	add ebx,edx
		87	mov [cache_ide0_data_pointer],ebx
		88
		89	cmp cl,10000000b
		90	je .cd
		91	push ecx
		92	mov eax,[cache_ide0_system_data_size]
		93	call calculate_for_hd
		94	add eax,[cache_ide0_pointer]
		95	mov [cache_ide0_system_data],eax
		96	mov [cache_ide0_system_sad_size],ecx
		97
		98	push edi
		99	mov edi,[cache_ide0_pointer]
		100	call clear_ide_cache
		101	pop edi
		102
		103	mov eax,[cache_ide0_appl_data_size]
		104	call calculate_for_hd
		105	add eax,[cache_ide0_data_pointer]
		106	mov [cache_ide0_appl_data],eax
		107	mov [cache_ide0_appl_sad_size],ecx
		108
		109	push edi
		110	mov edi,[cache_ide0_data_pointer]
		111	call clear_ide_cache
		112	pop edi
		113
		114	pop ecx
		115	ret
		116	.cd:
		117	push ecx
		118	mov eax,[cache_ide0_system_data_size]
		119	call calculate_for_cd
		120	add eax,[cache_ide0_pointer]
		121	mov [cache_ide0_system_data],eax
		122	mov [cache_ide0_system_sad_size],ecx
		123
		124	push edi
		125	mov edi,[cache_ide0_pointer]
		126	call clear_ide_cache
		127	pop edi
		128
		129	mov eax,[cache_ide0_appl_data_size]
		130	call calculate_for_cd
		131	add eax,[cache_ide0_data_pointer]
		132	mov [cache_ide0_appl_data],eax
		133	mov [cache_ide0_appl_sad_size],ecx
		134
		135	push edi
		136	mov edi,[cache_ide0_data_pointer]
		137	call clear_ide_cache
		138	pop edi
		139
		140	pop ecx
		141	ret
		142
		143	get_cache_ide1:
		144	push ecx
		145	stdcall kernel_alloc,[cache_ide1_size]
		146	mov [cache_ide1_pointer],eax
		147	pop ecx
		148	mov edx,eax
		149	mov eax,[cache_ide1_size]
		150	shr eax,3
		151	mov [cache_ide1_system_data_size],eax
		152	mov ebx,eax
		153	imul eax,7
		154	mov [cache_ide1_appl_data_size],eax
		155	add ebx,edx
		156	mov [cache_ide1_data_pointer],ebx
		157
		158	cmp cl,100000b
		159	je .cd
		160	push ecx
		161	mov eax,[cache_ide1_system_data_size]
		162	call calculate_for_hd
		163	add eax,[cache_ide1_pointer]
		164	mov [cache_ide1_system_data],eax
		165	mov [cache_ide1_system_sad_size],ecx
		166
		167	push edi
		168	mov edi,[cache_ide1_pointer]
		169	call clear_ide_cache
		170	pop edi
		171
		172	mov eax,[cache_ide1_appl_data_size]
		173	call calculate_for_hd
		174	add eax,[cache_ide1_data_pointer]
		175	mov [cache_ide1_appl_data],eax
		176	mov [cache_ide1_appl_sad_size],ecx
		177
		178	push edi
		179	mov edi,[cache_ide1_data_pointer]
		180	call clear_ide_cache
		181	pop edi
		182
		183	pop ecx
		184	ret
		185	.cd:
		186	push ecx
		187	mov eax,[cache_ide1_system_data_size]
		188	call calculate_for_cd
		189	add eax,[cache_ide1_pointer]
		190	mov [cache_ide1_system_data],eax
		191	mov [cache_ide1_system_sad_size],ecx
		192
		193	push edi
		194	mov edi,[cache_ide1_pointer]
		195	call clear_ide_cache
		196	pop edi
		197
		198	mov eax,[cache_ide1_appl_data_size]
		199	call calculate_for_cd
		200	add eax,[cache_ide1_data_pointer]
		201	mov [cache_ide1_appl_data],eax
		202	mov [cache_ide1_appl_sad_size],ecx
		203
		204	push edi
		205	mov edi,[cache_ide1_data_pointer]
		206	call clear_ide_cache
		207	pop edi
		208
		209	pop ecx
		210	ret
		211
		212	get_cache_ide2:
		213	push ecx
		214	stdcall kernel_alloc,[cache_ide2_size]
		215	mov [cache_ide2_pointer],eax
		216	pop ecx
		217	mov edx,eax
		218	mov eax,[cache_ide2_size]
		219	shr eax,3
		220	mov [cache_ide2_system_data_size],eax
		221	mov ebx,eax
		222	imul eax,7
		223	mov [cache_ide2_appl_data_size],eax
		224	add ebx,edx
		225	mov [cache_ide2_data_pointer],ebx
		226
		227	cmp cl,1000b
		228	je .cd
		229	push ecx
		230	mov eax,[cache_ide2_system_data_size]
		231	call calculate_for_hd
		232	add eax,[cache_ide2_pointer]
		233	mov [cache_ide2_system_data],eax
		234	mov [cache_ide2_system_sad_size],ecx
		235
		236	push edi
		237	mov edi,[cache_ide2_pointer]
		238	call clear_ide_cache
		239	pop edi
		240
		241	mov eax,[cache_ide2_appl_data_size]
		242	call calculate_for_hd
		243	add eax,[cache_ide2_data_pointer]
		244	mov [cache_ide2_appl_data],eax
		245	mov [cache_ide2_appl_sad_size],ecx
		246
		247	push edi
		248	mov edi,[cache_ide2_data_pointer]
		249	call clear_ide_cache
		250	pop edi
		251
		252	pop ecx
		253	ret
		254	.cd:
		255	push ecx
		256	mov eax,[cache_ide2_system_data_size]
		257	call calculate_for_cd
		258	add eax,[cache_ide2_pointer]
		259	mov [cache_ide2_system_data],eax
		260	mov [cache_ide2_system_sad_size],ecx
		261
		262	push edi
		263	mov edi,[cache_ide2_pointer]
		264	call clear_ide_cache
		265	pop edi
		266
		267	mov eax,[cache_ide2_appl_data_size]
		268	call calculate_for_cd
		269	add eax,[cache_ide2_data_pointer]
		270	mov [cache_ide2_appl_data],eax
		271	mov [cache_ide2_appl_sad_size],ecx
		272
		273	push edi
		274	mov edi,[cache_ide2_data_pointer]
		275	call clear_ide_cache
		276	pop edi
		277
		278	pop ecx
		279	ret
		280
		281	get_cache_ide3:
		282	push ecx
		283	stdcall kernel_alloc,[cache_ide3_size]
		284	mov [cache_ide3_pointer],eax
		285	pop ecx
		286	mov edx,eax
		287	mov eax,[cache_ide3_size]
		288	shr eax,3
		289	mov [cache_ide3_system_data_size],eax
		290	mov ebx,eax
		291	imul eax,7
		292	mov [cache_ide3_appl_data_size],eax
		293	add ebx,edx
		294	mov [cache_ide3_data_pointer],ebx
		295
		296	cmp cl,10b
		297	je .cd
		298	push ecx
		299	mov eax,[cache_ide3_system_data_size]
		300	call calculate_for_hd
		301	add eax,[cache_ide3_pointer]
		302	mov [cache_ide3_system_data],eax
		303	mov [cache_ide3_system_sad_size],ecx
		304
		305	push edi
		306	mov edi,[cache_ide3_pointer]
		307	call clear_ide_cache
		308	pop edi
		309
		310	mov eax,[cache_ide3_appl_data_size]
		311	call calculate_for_hd
		312	add eax,[cache_ide3_data_pointer]
		313	mov [cache_ide3_appl_data],eax
		314	mov [cache_ide3_appl_sad_size],ecx
		315
		316	push edi
		317	mov edi,[cache_ide3_data_pointer]
		318	call clear_ide_cache
		319	pop edi
		320
		321	pop ecx
		322	ret
		323	.cd:
		324	push ecx
		325	mov eax,[cache_ide3_system_data_size]
		326	call calculate_for_cd
		327	add eax,[cache_ide3_pointer]
		328	mov [cache_ide3_system_data],eax
		329	mov [cache_ide3_system_sad_size],ecx
		330
		331	push edi
		332	mov edi,[cache_ide3_pointer]
		333	call clear_ide_cache
		334	pop edi
		335
		336	mov eax,[cache_ide3_appl_data_size]
		337	call calculate_for_cd
		338	add eax,[cache_ide3_data_pointer]
		339	mov [cache_ide3_appl_data],eax
		340	mov [cache_ide3_appl_sad_size],ecx
		341
		342	push edi
		343	mov edi,[cache_ide3_data_pointer]
		344	call clear_ide_cache
		345	pop edi
		346
		347	pop ecx
		348	ret
		349
		350	calculate_for_hd:
		351	push eax
		352	mov ebx,eax
		353	shr eax,9
		354	shl eax,3
		355	sub ebx,eax
		356	shr ebx,9
		357	mov ecx,ebx
		358	shl ebx,9
		359	pop eax
		360	sub eax,ebx
		361	ret
		362
		363	calculate_for_cd:
		364	push eax
		365	mov ebx,eax
		366	shr eax,11
		367	shl eax,3
		368	sub ebx,eax
		369	shr ebx,11
		370	mov ecx,ebx
		371	shl ebx,11
		372	pop eax
		373	sub eax,ebx
		374	ret
		375
		376	clear_ide_cache:
		377	push eax
		378	shl ecx,1
		379	xor eax,eax
		380	cld
		381	rep stosd
		382	pop eax
		383	ret
		384
		385	end_get_cache:
		386	; mov [cache_ide0_pointer],HD_CACHE
		387	; mov [cache_ide0_system_data],HD_CACHE+65536
		388	; mov [cache_ide0_system_sad_size],1919
		389	popa

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(root)/kernel/branches/Kolibri-acpi/detect/getcache.inc @ 5565 – Rev 580