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

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(root)/kernel/trunk/detect/getcache.inc – Rev 585