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


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision: 5363 $
 
;-----------------------------------------------------------------------------
        pusha
 
        mov     eax, [pg_data.pages_free]
;   1/32
        shr     eax, 5
;   round off up to 8 pages
        shr     eax, 3
        shl     eax, 3
;   translate pages in butes *4096
        shl     eax, 12
;       check a upper size of the cache, no more than 1 Mb on the physical device
        cmp     eax, 1024*1024
        jbe     @f
 
        mov     eax, 1024*1024
        jmp     .continue
;--------------------------------------
@@:
;       check a lower size of the cache, not less than 128 Kb on the physical device
        cmp     eax, 128*1024
        jae     .continue
 
        mov     eax, 128*1024
;--------------------------------------
.continue:
        push    ecx
        mov     ecx, 12
        mov     esi, cache_ide0+IDE_CACHE.size
        cld
@@:
        mov     [esi], eax
        add     esi, sizeof.IDE_CACHE
        loop    @b
 
        pop     ecx
 
        xor     eax, eax
        mov     [hdd_appl_data], 1 ;al
        mov     [cd_appl_data], 1
;--------------------------------------
        test    byte [DRIVE_DATA+1], 0x80
        je      @f
 
        mov     esi, cache_ide0
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+1], 0x20
        je      @f
 
        mov     esi, cache_ide1
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+1], 8
        je      @f
 
        mov     esi, cache_ide2
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+1], 2
        je      @f
 
        mov     esi, cache_ide3
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+6], 0x80
        je      @f
 
        mov     esi, cache_ide4
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+6], 0x20
        je      @f
 
        mov     esi, cache_ide5
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+6], 8
        je      @f
 
        mov     esi, cache_ide6
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+6], 2
        je      @f
 
        mov     esi, cache_ide7
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+11], 0x80
        je      @f
 
        mov     esi, cache_ide8
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+11], 0x20
        je      @f
 
        mov     esi, cache_ide9
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+11], 8
        je      @f
 
        mov     esi, cache_ide10
        call    get_cache_ide
;--------------------------------------
@@:
        test    byte [DRIVE_DATA+11], 2
        je      end_get_cache
 
        mov     esi, cache_ide11
        call    get_cache_ide
 
        jmp     end_get_cache
;-----------------------------------------------------------------------------
get_cache_ide:
        and     [esi+IDE_CACHE.search_start], 0
        and     [esi+IDE_CACHE.appl_search_start], 0
 
        push    ecx
;        DEBUGF  1, "K : IDE_CACHE.size %x\n", [esi+IDE_CACHE.size]
        stdcall kernel_alloc, [esi+IDE_CACHE.size]
        mov     [esi+IDE_CACHE.pointer], eax
        pop     ecx
 
        mov     edx, eax
        mov     eax, [esi+IDE_CACHE.size]
        shr     eax, 3
;        DEBUGF  1, "K : IDE_CACHE.system_data_size %x\n", eax
        mov     [esi+IDE_CACHE.system_data_size], eax
        mov     ebx, eax
        imul    eax, 7
;        DEBUGF  1, "K : IDE_CACHE.appl_data_size %x\n", eax
        mov     [esi+IDE_CACHE.appl_data_size], eax
        add     ebx, edx
        mov     [esi+IDE_CACHE.data_pointer], ebx
 
.cd:
        push    ecx
        mov     eax, [esi+IDE_CACHE.system_data_size]
        call    calculate_for_cd
        add     eax, [esi+IDE_CACHE.pointer]
        mov     [esi+IDE_CACHE.system_data], eax
        mov     [esi+IDE_CACHE.system_sad_size], ecx
 
        push    edi
        mov     edi, [esi+IDE_CACHE.pointer]
        call    clear_ide_cache
        pop     edi
 
        mov     eax, [esi+IDE_CACHE.appl_data_size]
        call    calculate_for_cd
        add     eax, [esi+IDE_CACHE.data_pointer]
        mov     [esi+IDE_CACHE.appl_data], eax
        mov     [esi+IDE_CACHE.appl_sad_size], ecx
 
        push    edi
        mov     edi, [esi+IDE_CACHE.data_pointer]
        call    clear_ide_cache
        pop     edi
 
        pop     ecx
        ret
;-----------------------------------------------------------------------------
calculate_for_cd:
        push    eax
        mov     ebx, eax
        shr     eax, 11
        shl     eax, 3
        sub     ebx, eax
        shr     ebx, 11
        mov     ecx, ebx
        shl     ebx, 11
        pop     eax
        sub     eax, ebx
        dec     ecx
        ret
;-----------------------------------------------------------------------------
clear_ide_cache:
        push    eax
        shl     ecx, 1
        xor     eax, eax
        cld
        rep stosd
        pop     eax
        ret
;-----------------------------------------------------------------------------
end_get_cache:
        popa

Rev 4711	Rev 5363
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License ;;	4	;; Distributed under terms of the GNU General Public License ;;
5	;; ;;	5	;; ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7		7
8	$Revision: 4711 $	8	$Revision: 5363 $
9		9
10	;-----------------------------------------------------------------------------	10	;-----------------------------------------------------------------------------
11	pusha	11	pusha
12		12
13	mov eax, [pg_data.pages_free]	13	mov eax, [pg_data.pages_free]
14	; 1/32	14	; 1/32
15	shr eax, 5	15	shr eax, 5
16	; round off up to 8 pages	16	; round off up to 8 pages
17	shr eax, 3	17	shr eax, 3
18	shl eax, 3	18	shl eax, 3
19	; translate pages in butes *4096	19	; translate pages in butes *4096
20	shl eax, 12	20	shl eax, 12
21	; check a upper size of the cache, no more than 1 Mb on the physical device	21	; check a upper size of the cache, no more than 1 Mb on the physical device
22	cmp eax, 1024*1024	22	cmp eax, 1024*1024
23	jbe @f	23	jbe @f
24		24
25	mov eax, 1024*1024	25	mov eax, 1024*1024
26	jmp .continue	26	jmp .continue
27	;--------------------------------------	27	;--------------------------------------
28	@@:	28	@@:
29	; check a lower size of the cache, not less than 128 Kb on the physical device	29	; check a lower size of the cache, not less than 128 Kb on the physical device
30	cmp eax, 128*1024	30	cmp eax, 128*1024
31	jae .continue	31	jae .continue
32		32
33	mov eax, 128*1024	33	mov eax, 128*1024
34	;--------------------------------------	34	;--------------------------------------
35	.continue:	35	.continue:
36	push ecx	36	push ecx
37	mov ecx, 12	37	mov ecx, 12
38	mov esi, cache_ide0+IDE_CACHE.size	38	mov esi, cache_ide0+IDE_CACHE.size
39	cld	39	cld
40	@@:	40	@@:
41	mov [esi], eax	41	mov [esi], eax
42	add esi, sizeof.IDE_CACHE	42	add esi, sizeof.IDE_CACHE
43	loop @b	43	loop @b
44		44
45	pop ecx	45	pop ecx
46		46
47	xor eax, eax	47	xor eax, eax
48	mov [hdd_appl_data], 1 ;al	48	mov [hdd_appl_data], 1 ;al
49	mov [cd_appl_data], 1	49	mov [cd_appl_data], 1
50	;--------------------------------------	50	;--------------------------------------
51	test byte [DRIVE_DATA+1], 0x80	51	test byte [DRIVE_DATA+1], 0x80
52	je @f	52	je @f
53		53
54	mov esi, cache_ide0	54	mov esi, cache_ide0
55	call get_cache_ide	55	call get_cache_ide
56	;--------------------------------------	56	;--------------------------------------
57	@@:	57	@@:
58	test byte [DRIVE_DATA+1], 0x20	58	test byte [DRIVE_DATA+1], 0x20
59	je @f	59	je @f
60		60
61	mov esi, cache_ide1	61	mov esi, cache_ide1
62	call get_cache_ide	62	call get_cache_ide
63	;--------------------------------------	63	;--------------------------------------
64	@@:	64	@@:
65	test byte [DRIVE_DATA+1], 8	65	test byte [DRIVE_DATA+1], 8
66	je @f	66	je @f
67		67
68	mov esi, cache_ide2	68	mov esi, cache_ide2
69	call get_cache_ide	69	call get_cache_ide
70	;--------------------------------------	70	;--------------------------------------
71	@@:	71	@@:
72	test byte [DRIVE_DATA+1], 2	72	test byte [DRIVE_DATA+1], 2
73	je @f	73	je @f
74		74
75	mov esi, cache_ide3	75	mov esi, cache_ide3
76	call get_cache_ide	76	call get_cache_ide
77	;--------------------------------------	77	;--------------------------------------
78	@@:	78	@@:
79	test byte [DRIVE_DATA+6], 0x80	79	test byte [DRIVE_DATA+6], 0x80
80	je @f	80	je @f
81		81
82	mov esi, cache_ide4	82	mov esi, cache_ide4
83	call get_cache_ide	83	call get_cache_ide
84	;--------------------------------------	84	;--------------------------------------
85	@@:	85	@@:
86	test byte [DRIVE_DATA+6], 0x20	86	test byte [DRIVE_DATA+6], 0x20
87	je @f	87	je @f
88		88
89	mov esi, cache_ide5	89	mov esi, cache_ide5
90	call get_cache_ide	90	call get_cache_ide
91	;--------------------------------------	91	;--------------------------------------
92	@@:	92	@@:
93	test byte [DRIVE_DATA+6], 8	93	test byte [DRIVE_DATA+6], 8
94	je @f	94	je @f
95		95
96	mov esi, cache_ide6	96	mov esi, cache_ide6
97	call get_cache_ide	97	call get_cache_ide
98	;--------------------------------------	98	;--------------------------------------
99	@@:	99	@@:
100	test byte [DRIVE_DATA+6], 2	100	test byte [DRIVE_DATA+6], 2
101	je @f	101	je @f
102		102
103	mov esi, cache_ide7	103	mov esi, cache_ide7
104	call get_cache_ide	104	call get_cache_ide
105	;--------------------------------------	105	;--------------------------------------
106	@@:	106	@@:
107	test byte [DRIVE_DATA+11], 0x80	107	test byte [DRIVE_DATA+11], 0x80
108	je @f	108	je @f
109		109
110	mov esi, cache_ide8	110	mov esi, cache_ide8
111	call get_cache_ide	111	call get_cache_ide
112	;--------------------------------------	112	;--------------------------------------
113	@@:	113	@@:
114	test byte [DRIVE_DATA+11], 0x20	114	test byte [DRIVE_DATA+11], 0x20
115	je @f	115	je @f
116		116
117	mov esi, cache_ide9	117	mov esi, cache_ide9
118	call get_cache_ide	118	call get_cache_ide
119	;--------------------------------------	119	;--------------------------------------
120	@@:	120	@@:
121	test byte [DRIVE_DATA+11], 8	121	test byte [DRIVE_DATA+11], 8
122	je @f	122	je @f
123		123
124	mov esi, cache_ide10	124	mov esi, cache_ide10
125	call get_cache_ide	125	call get_cache_ide
126	;--------------------------------------	126	;--------------------------------------
127	@@:	127	@@:
128	test byte [DRIVE_DATA+11], 2	128	test byte [DRIVE_DATA+11], 2
129	je end_get_cache	129	je end_get_cache
130		130
131	mov esi, cache_ide11	131	mov esi, cache_ide11
132	call get_cache_ide	132	call get_cache_ide
133		133
134	jmp end_get_cache	134	jmp end_get_cache
135	;-----------------------------------------------------------------------------	135	;-----------------------------------------------------------------------------
136	get_cache_ide:	136	get_cache_ide:
137	and [esi+IDE_CACHE.search_start], 0	137	and [esi+IDE_CACHE.search_start], 0
138	and [esi+IDE_CACHE.appl_search_start], 0	138	and [esi+IDE_CACHE.appl_search_start], 0
139		139
140	push ecx	140	push ecx
141	; DEBUGF 1, "K : IDE_CACHE.size %x\n", [esi+IDE_CACHE.size]	141	; DEBUGF 1, "K : IDE_CACHE.size %x\n", [esi+IDE_CACHE.size]
142	stdcall kernel_alloc, [esi+IDE_CACHE.size]	142	stdcall kernel_alloc, [esi+IDE_CACHE.size]
143	mov [esi+IDE_CACHE.pointer], eax	143	mov [esi+IDE_CACHE.pointer], eax
144	pop ecx	144	pop ecx
145		145
146	mov edx, eax	146	mov edx, eax
147	mov eax, [esi+IDE_CACHE.size]	147	mov eax, [esi+IDE_CACHE.size]
148	shr eax, 3	148	shr eax, 3
149	; DEBUGF 1, "K : IDE_CACHE.system_data_size %x\n", eax	149	; DEBUGF 1, "K : IDE_CACHE.system_data_size %x\n", eax
150	mov [esi+IDE_CACHE.system_data_size], eax	150	mov [esi+IDE_CACHE.system_data_size], eax
151	mov ebx, eax	151	mov ebx, eax
152	imul eax, 7	152	imul eax, 7
153	; DEBUGF 1, "K : IDE_CACHE.appl_data_size %x\n", eax	153	; DEBUGF 1, "K : IDE_CACHE.appl_data_size %x\n", eax
154	mov [esi+IDE_CACHE.appl_data_size], eax	154	mov [esi+IDE_CACHE.appl_data_size], eax
155	add ebx, edx	155	add ebx, edx
156	mov [esi+IDE_CACHE.data_pointer], ebx	156	mov [esi+IDE_CACHE.data_pointer], ebx
157		157
158	.cd:	158	.cd:
159	push ecx	159	push ecx
160	mov eax, [esi+IDE_CACHE.system_data_size]	160	mov eax, [esi+IDE_CACHE.system_data_size]
161	call calculate_for_cd	161	call calculate_for_cd
162	add eax, [esi+IDE_CACHE.pointer]	162	add eax, [esi+IDE_CACHE.pointer]
163	mov [esi+IDE_CACHE.system_data], eax	163	mov [esi+IDE_CACHE.system_data], eax
164	mov [esi+IDE_CACHE.system_sad_size], ecx	164	mov [esi+IDE_CACHE.system_sad_size], ecx
165		165
166	push edi	166	push edi
167	mov edi, [esi+IDE_CACHE.pointer]	167	mov edi, [esi+IDE_CACHE.pointer]
168	call clear_ide_cache	168	call clear_ide_cache
169	pop edi	169	pop edi
170		170
171	mov eax, [esi+IDE_CACHE.appl_data_size]	171	mov eax, [esi+IDE_CACHE.appl_data_size]
172	call calculate_for_cd	172	call calculate_for_cd
173	add eax, [esi+IDE_CACHE.data_pointer]	173	add eax, [esi+IDE_CACHE.data_pointer]
174	mov [esi+IDE_CACHE.appl_data], eax	174	mov [esi+IDE_CACHE.appl_data], eax
175	mov [esi+IDE_CACHE.appl_sad_size], ecx	175	mov [esi+IDE_CACHE.appl_sad_size], ecx
176		176
177	push edi	177	push edi
178	mov edi, [esi+IDE_CACHE.data_pointer]	178	mov edi, [esi+IDE_CACHE.data_pointer]
179	call clear_ide_cache	179	call clear_ide_cache
180	pop edi	180	pop edi
181		181
182	pop ecx	182	pop ecx
183	ret	183	ret
184	;-----------------------------------------------------------------------------	184	;-----------------------------------------------------------------------------
185	calculate_for_cd:	185	calculate_for_cd:
186	push eax	186	push eax
187	mov ebx, eax	187	mov ebx, eax
188	shr eax, 11	188	shr eax, 11
189	shl eax, 3	189	shl eax, 3
190	sub ebx, eax	190	sub ebx, eax
191	shr ebx, 11	191	shr ebx, 11
192	mov ecx, ebx	192	mov ecx, ebx
193	shl ebx, 11	193	shl ebx, 11
194	pop eax	194	pop eax
195	sub eax, ebx	195	sub eax, ebx
196	dec ecx	196	dec ecx
197	ret	197	ret
198	;-----------------------------------------------------------------------------	198	;-----------------------------------------------------------------------------
199	clear_ide_cache:	199	clear_ide_cache:
200	push eax	200	push eax
201	shl ecx, 1	201	shl ecx, 1
202	xor eax, eax	202	xor eax, eax
203	cld	203	cld
204	rep stosd	204	rep stosd
205	pop eax	205	pop eax
206	ret	206	ret
207	;-----------------------------------------------------------------------------	207	;-----------------------------------------------------------------------------
208	end_get_cache:	208	end_get_cache:
209	popa	209	popa

Subversion Repositories Kolibri OS

(root)/kernel/trunk/detect/getcache.inc – Rev 4711 → 5363