WebSVN – Kolibri OS – Blame – /kernel/trunk/detect/getcache.inc

Rev	Author	Line No.	Line
593	mikedld	1
		2
		3
		4
580	mario79	5	;cache_ide0_size dd 0 ; not use
		6	;cache_ide0_data_pointer dd 0
		7	;cache_ide0_system_data_size dd 0 ; not use
		8	;cache_ide0_appl_data_size dd 0 ; not use
		9	;cache_ide0_system_data dd 0
		10	;cache_ide0_appl_data dd 0
		11	;cache_ide0_system_sad_size dd 0
		12	;cache_ide0_appl_sad_size dd 0
		13
		14
		15
		16
		17	; 1/32
		18	shr eax,5
		19	; round off up to 8 pages
		20	shr eax,3
		21	shl eax,3
		22	; translate pages in butes *4096
		23	shl eax,12
		24	; check a upper size of the cache, no more than 1 Mb on the physical device
585	mario79	25	cmp eax,1024*1024
580	mario79	26	jbe @f
		27	mov eax,1024*1024
		28	jmp .continue
		29	@@:
		30	; check a lower size of the cache, not less than 128 Kb on the physical device
585	mario79	31	cmp eax,128*1024
580	mario79	32	jae @f
		33	mov eax,128*1024
		34	@@:
		35	.continue:
		36	mov [cache_ide0_size],eax
		37	mov [cache_ide1_size],eax
		38	mov [cache_ide2_size],eax
		39	mov [cache_ide3_size],eax
		40	xor eax,eax
		41	mov [cache_ide0_search_start],eax
		42	mov [cache_ide0_appl_search_start],eax
		43	mov [cache_ide1_search_start],eax
		44	mov [cache_ide1_appl_search_start],eax
		45	mov [cache_ide2_search_start],eax
		46	mov [cache_ide2_appl_search_start],eax
		47	mov [cache_ide3_search_start],eax
		48	mov [cache_ide3_appl_search_start],eax
		49	mov [hdd_appl_data],1 ;al
		50	mov [cd_appl_data],1
585	mario79	51
580	mario79	52
		53	mov ch,cl
		54	and cl,11b
		55	cmp cl,0
		56	je .ide2
585	mario79	57	call get_cache_ide3
580	mario79	58	.ide2:
		59	mov cl,ch
		60	and cl,1100b
		61	cmp cl,0
		62	je .ide1
585	mario79	63	call get_cache_ide2
580	mario79	64	.ide1:
		65	mov cl,ch
		66	and cl,110000b
		67	cmp cl,0
		68	je .ide0
585	mario79	69	call get_cache_ide1
580	mario79	70	.ide0:
		71	mov cl,ch
		72	and cl,11000000b
		73	cmp cl,0
		74	je end_get_cache
585	mario79	75	call get_cache_ide0
580	mario79	76	jmp end_get_cache
		77
		78
		79	push ecx
		80	stdcall kernel_alloc,[cache_ide0_size]
		81	mov [cache_ide0_pointer],eax
		82	pop ecx
		83	mov edx,eax
		84	mov eax,[cache_ide0_size]
		85	shr eax,3
		86	mov [cache_ide0_system_data_size],eax
		87	mov ebx,eax
		88	imul eax,7
		89	mov [cache_ide0_appl_data_size],eax
		90	add ebx,edx
		91	mov [cache_ide0_data_pointer],ebx
		92
585	mario79	93
580	mario79	94	je .cd
585	mario79	95	push ecx
580	mario79	96	mov eax,[cache_ide0_system_data_size]
		97	call calculate_for_hd
		98	add eax,[cache_ide0_pointer]
		99	mov [cache_ide0_system_data],eax
		100	mov [cache_ide0_system_sad_size],ecx
		101
585	mario79	102
580	mario79	103	mov edi,[cache_ide0_pointer]
		104	call clear_ide_cache
		105	pop edi
		106
585	mario79	107
580	mario79	108	call calculate_for_hd
		109	add eax,[cache_ide0_data_pointer]
		110	mov [cache_ide0_appl_data],eax
		111	mov [cache_ide0_appl_sad_size],ecx
		112
		113
		114	mov edi,[cache_ide0_data_pointer]
		115	call clear_ide_cache
		116	pop edi
		117
585	mario79	118
580	mario79	119	ret
		120	.cd:
		121	push ecx
		122	mov eax,[cache_ide0_system_data_size]
		123	call calculate_for_cd
		124	add eax,[cache_ide0_pointer]
		125	mov [cache_ide0_system_data],eax
		126	mov [cache_ide0_system_sad_size],ecx
		127
		128
		129	mov edi,[cache_ide0_pointer]
		130	call clear_ide_cache
		131	pop edi
		132
585	mario79	133
580	mario79	134	call calculate_for_cd
		135	add eax,[cache_ide0_data_pointer]
		136	mov [cache_ide0_appl_data],eax
		137	mov [cache_ide0_appl_sad_size],ecx
		138
585	mario79	139
580	mario79	140	mov edi,[cache_ide0_data_pointer]
		141	call clear_ide_cache
		142	pop edi
		143
585	mario79	144
580	mario79	145	ret
		146
585	mario79	147
580	mario79	148	push ecx
		149	stdcall kernel_alloc,[cache_ide1_size]
		150	mov [cache_ide1_pointer],eax
		151	pop ecx
		152	mov edx,eax
		153	mov eax,[cache_ide1_size]
		154	shr eax,3
		155	mov [cache_ide1_system_data_size],eax
		156	mov ebx,eax
		157	imul eax,7
		158	mov [cache_ide1_appl_data_size],eax
		159	add ebx,edx
		160	mov [cache_ide1_data_pointer],ebx
		161
585	mario79	162
580	mario79	163	je .cd
585	mario79	164	push ecx
580	mario79	165	mov eax,[cache_ide1_system_data_size]
		166	call calculate_for_hd
		167	add eax,[cache_ide1_pointer]
		168	mov [cache_ide1_system_data],eax
		169	mov [cache_ide1_system_sad_size],ecx
		170
		171
		172	mov edi,[cache_ide1_pointer]
		173	call clear_ide_cache
		174	pop edi
		175
		176
		177	call calculate_for_hd
		178	add eax,[cache_ide1_data_pointer]
		179	mov [cache_ide1_appl_data],eax
		180	mov [cache_ide1_appl_sad_size],ecx
		181
585	mario79	182
580	mario79	183	mov edi,[cache_ide1_data_pointer]
		184	call clear_ide_cache
		185	pop edi
		186
585	mario79	187
580	mario79	188	ret
		189	.cd:
		190	push ecx
		191	mov eax,[cache_ide1_system_data_size]
		192	call calculate_for_cd
		193	add eax,[cache_ide1_pointer]
		194	mov [cache_ide1_system_data],eax
		195	mov [cache_ide1_system_sad_size],ecx
		196
		197
		198	mov edi,[cache_ide1_pointer]
		199	call clear_ide_cache
		200	pop edi
		201
		202
		203	call calculate_for_cd
		204	add eax,[cache_ide1_data_pointer]
		205	mov [cache_ide1_appl_data],eax
		206	mov [cache_ide1_appl_sad_size],ecx
		207
585	mario79	208
580	mario79	209	mov edi,[cache_ide1_data_pointer]
		210	call clear_ide_cache
		211	pop edi
		212
585	mario79	213
580	mario79	214	ret
		215
		216
		217	push ecx
		218	stdcall kernel_alloc,[cache_ide2_size]
		219	mov [cache_ide2_pointer],eax
		220	pop ecx
		221	mov edx,eax
		222	mov eax,[cache_ide2_size]
		223	shr eax,3
		224	mov [cache_ide2_system_data_size],eax
		225	mov ebx,eax
		226	imul eax,7
		227	mov [cache_ide2_appl_data_size],eax
		228	add ebx,edx
		229	mov [cache_ide2_data_pointer],ebx
		230
585	mario79	231
580	mario79	232	je .cd
585	mario79	233	push ecx
580	mario79	234	mov eax,[cache_ide2_system_data_size]
		235	call calculate_for_hd
		236	add eax,[cache_ide2_pointer]
		237	mov [cache_ide2_system_data],eax
		238	mov [cache_ide2_system_sad_size],ecx
		239
		240
		241	mov edi,[cache_ide2_pointer]
		242	call clear_ide_cache
		243	pop edi
		244
		245
		246	call calculate_for_hd
		247	add eax,[cache_ide2_data_pointer]
		248	mov [cache_ide2_appl_data],eax
		249	mov [cache_ide2_appl_sad_size],ecx
		250
585	mario79	251
580	mario79	252	mov edi,[cache_ide2_data_pointer]
		253	call clear_ide_cache
		254	pop edi
		255
585	mario79	256
580	mario79	257	ret
		258	.cd:
		259	push ecx
		260	mov eax,[cache_ide2_system_data_size]
		261	call calculate_for_cd
		262	add eax,[cache_ide2_pointer]
		263	mov [cache_ide2_system_data],eax
		264	mov [cache_ide2_system_sad_size],ecx
		265
		266
		267	mov edi,[cache_ide2_pointer]
		268	call clear_ide_cache
		269	pop edi
		270
		271
		272	call calculate_for_cd
		273	add eax,[cache_ide2_data_pointer]
		274	mov [cache_ide2_appl_data],eax
		275	mov [cache_ide2_appl_sad_size],ecx
		276
585	mario79	277
580	mario79	278	mov edi,[cache_ide2_data_pointer]
		279	call clear_ide_cache
		280	pop edi
		281
585	mario79	282
580	mario79	283	ret
		284
		285
		286	push ecx
		287	stdcall kernel_alloc,[cache_ide3_size]
		288	mov [cache_ide3_pointer],eax
		289	pop ecx
		290	mov edx,eax
		291	mov eax,[cache_ide3_size]
		292	shr eax,3
		293	mov [cache_ide3_system_data_size],eax
		294	mov ebx,eax
		295	imul eax,7
		296	mov [cache_ide3_appl_data_size],eax
		297	add ebx,edx
		298	mov [cache_ide3_data_pointer],ebx
		299
585	mario79	300
580	mario79	301	je .cd
585	mario79	302	push ecx
580	mario79	303	mov eax,[cache_ide3_system_data_size]
		304	call calculate_for_hd
		305	add eax,[cache_ide3_pointer]
		306	mov [cache_ide3_system_data],eax
		307	mov [cache_ide3_system_sad_size],ecx
		308
		309
		310	mov edi,[cache_ide3_pointer]
		311	call clear_ide_cache
		312	pop edi
		313
		314
		315	call calculate_for_hd
		316	add eax,[cache_ide3_data_pointer]
		317	mov [cache_ide3_appl_data],eax
		318	mov [cache_ide3_appl_sad_size],ecx
		319
585	mario79	320
580	mario79	321	mov edi,[cache_ide3_data_pointer]
		322	call clear_ide_cache
		323	pop edi
		324
585	mario79	325
580	mario79	326	ret
		327	.cd:
		328	push ecx
		329	mov eax,[cache_ide3_system_data_size]
		330	call calculate_for_cd
		331	add eax,[cache_ide3_pointer]
		332	mov [cache_ide3_system_data],eax
		333	mov [cache_ide3_system_sad_size],ecx
		334
		335
		336	mov edi,[cache_ide3_pointer]
		337	call clear_ide_cache
		338	pop edi
		339
		340
		341	call calculate_for_cd
		342	add eax,[cache_ide3_data_pointer]
		343	mov [cache_ide3_appl_data],eax
		344	mov [cache_ide3_appl_sad_size],ecx
		345
585	mario79	346
580	mario79	347	mov edi,[cache_ide3_data_pointer]
		348	call clear_ide_cache
		349	pop edi
		350
585	mario79	351
580	mario79	352	ret
		353
		354
		355	push eax
		356	mov ebx,eax
		357	shr eax,9
		358	shl eax,3
		359	sub ebx,eax
		360	shr ebx,9
		361	mov ecx,ebx
		362	shl ebx,9
		363	pop eax
		364	sub eax,ebx
		365	dec ecx
584	mario79	366	ret
580	mario79	367
		368
		369	push eax
		370	mov ebx,eax
		371	shr eax,11
		372	shl eax,3
		373	sub ebx,eax
		374	shr ebx,11
		375	mov ecx,ebx
		376	shl ebx,11
		377	pop eax
		378	sub eax,ebx
		379	dec ecx
584	mario79	380	ret
580	mario79	381
585	mario79	382
580	mario79	383	push eax
		384	shl ecx,1
		385	xor eax,eax
		386	cld
		387	rep stosd
		388	pop eax
		389	ret
		390
585	mario79	391
580	mario79	392	; mov [cache_ide0_pointer],HD_CACHE
		393	; mov [cache_ide0_system_data],HD_CACHE+65536
		394	; mov [cache_ide0_system_sad_size],1919
		395	popa
		396

Subversion Repositories Kolibri OS

(root)/kernel/trunk/detect/getcache.inc – Rev 593