Rev 5363 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
10051 | ace_dent | 3 | ;; Copyright (C) KolibriOS team 2004-2024. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
7 | |||
8 | |||
4700 | mario79 | 9 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 10 | pusha |
11 | |||
12 | mov eax, [pg_data.pages_free] |
||
13 | ; 1/32 |
||
14 | shr eax, 5 |
||
15 | ; round off up to 8 pages |
||
16 | shr eax, 3 |
||
17 | shl eax, 3 |
||
18 | ; translate pages in butes *4096 |
||
19 | shl eax, 12 |
||
20 | ; check a upper size of the cache, no more than 1 Mb on the physical device |
||
21 | cmp eax, 1024*1024 |
||
22 | jbe @f |
||
4700 | mario79 | 23 | |
2288 | clevermous | 24 | mov eax, 1024*1024 |
25 | jmp .continue |
||
4700 | mario79 | 26 | ;-------------------------------------- |
2288 | clevermous | 27 | @@: |
28 | ; check a lower size of the cache, not less than 128 Kb on the physical device |
||
29 | cmp eax, 128*1024 |
||
4700 | mario79 | 30 | jae .continue |
31 | |||
2288 | clevermous | 32 | mov eax, 128*1024 |
4700 | mario79 | 33 | ;-------------------------------------- |
34 | .continue: |
||
35 | push ecx |
||
36 | mov ecx, 12 |
||
37 | mov esi, cache_ide0+IDE_CACHE.size |
||
38 | cld |
||
2288 | clevermous | 39 | @@: |
4700 | mario79 | 40 | mov [esi], eax |
41 | add esi, sizeof.IDE_CACHE |
||
42 | loop @b |
||
43 | |||
44 | pop ecx |
||
45 | |||
2288 | clevermous | 46 | xor eax, eax |
4700 | mario79 | 47 | mov [hdd_appl_data], 1 ;al |
2288 | clevermous | 48 | mov [cd_appl_data], 1 |
4700 | mario79 | 49 | ;-------------------------------------- |
50 | test byte [DRIVE_DATA+1], 0x80 |
||
51 | je @f |
||
3742 | clevermous | 52 | |
4700 | mario79 | 53 | mov esi, cache_ide0 |
2288 | clevermous | 54 | call get_cache_ide |
4700 | mario79 | 55 | ;-------------------------------------- |
56 | @@: |
||
57 | test byte [DRIVE_DATA+1], 0x20 |
||
58 | je @f |
||
59 | |||
60 | mov esi, cache_ide1 |
||
61 | call get_cache_ide |
||
62 | ;-------------------------------------- |
||
63 | @@: |
||
3742 | clevermous | 64 | test byte [DRIVE_DATA+1], 8 |
4700 | mario79 | 65 | je @f |
66 | |||
2288 | clevermous | 67 | mov esi, cache_ide2 |
68 | call get_cache_ide |
||
4700 | mario79 | 69 | ;-------------------------------------- |
70 | @@: |
||
71 | test byte [DRIVE_DATA+1], 2 |
||
72 | je @f |
||
73 | |||
74 | mov esi, cache_ide3 |
||
2288 | clevermous | 75 | call get_cache_ide |
4700 | mario79 | 76 | ;-------------------------------------- |
77 | @@: |
||
78 | test byte [DRIVE_DATA+6], 0x80 |
||
2288 | clevermous | 79 | je @f |
4700 | mario79 | 80 | |
81 | mov esi, cache_ide4 |
||
2288 | clevermous | 82 | call get_cache_ide |
4700 | mario79 | 83 | ;-------------------------------------- |
2288 | clevermous | 84 | @@: |
4700 | mario79 | 85 | test byte [DRIVE_DATA+6], 0x20 |
86 | je @f |
||
87 | |||
88 | mov esi, cache_ide5 |
||
89 | call get_cache_ide |
||
90 | ;-------------------------------------- |
||
91 | @@: |
||
92 | test byte [DRIVE_DATA+6], 8 |
||
93 | je @f |
||
94 | |||
95 | mov esi, cache_ide6 |
||
96 | call get_cache_ide |
||
97 | ;-------------------------------------- |
||
98 | @@: |
||
99 | test byte [DRIVE_DATA+6], 2 |
||
100 | je @f |
||
101 | |||
102 | mov esi, cache_ide7 |
||
103 | call get_cache_ide |
||
104 | ;-------------------------------------- |
||
105 | @@: |
||
106 | test byte [DRIVE_DATA+11], 0x80 |
||
107 | je @f |
||
108 | |||
109 | mov esi, cache_ide8 |
||
110 | call get_cache_ide |
||
111 | ;-------------------------------------- |
||
112 | @@: |
||
113 | test byte [DRIVE_DATA+11], 0x20 |
||
114 | je @f |
||
115 | |||
116 | mov esi, cache_ide9 |
||
117 | call get_cache_ide |
||
118 | ;-------------------------------------- |
||
119 | @@: |
||
120 | test byte [DRIVE_DATA+11], 8 |
||
121 | je @f |
||
122 | |||
123 | mov esi, cache_ide10 |
||
124 | call get_cache_ide |
||
125 | ;-------------------------------------- |
||
126 | @@: |
||
127 | test byte [DRIVE_DATA+11], 2 |
||
128 | je end_get_cache |
||
129 | |||
130 | mov esi, cache_ide11 |
||
131 | call get_cache_ide |
||
132 | |||
2288 | clevermous | 133 | jmp end_get_cache |
4700 | mario79 | 134 | ;----------------------------------------------------------------------------- |
135 | get_cache_ide: |
||
136 | and [esi+IDE_CACHE.search_start], 0 |
||
137 | and [esi+IDE_CACHE.appl_search_start], 0 |
||
2288 | clevermous | 138 | |
139 | push ecx |
||
4711 | mario79 | 140 | ; DEBUGF 1, "K : IDE_CACHE.size %x\n", [esi+IDE_CACHE.size] |
4700 | mario79 | 141 | stdcall kernel_alloc, [esi+IDE_CACHE.size] |
142 | mov [esi+IDE_CACHE.pointer], eax |
||
2288 | clevermous | 143 | pop ecx |
4700 | mario79 | 144 | |
2288 | clevermous | 145 | mov edx, eax |
4700 | mario79 | 146 | mov eax, [esi+IDE_CACHE.size] |
2288 | clevermous | 147 | shr eax, 3 |
4711 | mario79 | 148 | ; DEBUGF 1, "K : IDE_CACHE.system_data_size %x\n", eax |
4700 | mario79 | 149 | mov [esi+IDE_CACHE.system_data_size], eax |
2288 | clevermous | 150 | mov ebx, eax |
151 | imul eax, 7 |
||
4711 | mario79 | 152 | ; DEBUGF 1, "K : IDE_CACHE.appl_data_size %x\n", eax |
4700 | mario79 | 153 | mov [esi+IDE_CACHE.appl_data_size], eax |
2288 | clevermous | 154 | add ebx, edx |
4700 | mario79 | 155 | mov [esi+IDE_CACHE.data_pointer], ebx |
2288 | clevermous | 156 | |
157 | .cd: |
||
158 | push ecx |
||
4700 | mario79 | 159 | mov eax, [esi+IDE_CACHE.system_data_size] |
2288 | clevermous | 160 | call calculate_for_cd |
4700 | mario79 | 161 | add eax, [esi+IDE_CACHE.pointer] |
162 | mov [esi+IDE_CACHE.system_data], eax |
||
163 | mov [esi+IDE_CACHE.system_sad_size], ecx |
||
2288 | clevermous | 164 | |
165 | push edi |
||
4700 | mario79 | 166 | mov edi, [esi+IDE_CACHE.pointer] |
2288 | clevermous | 167 | call clear_ide_cache |
168 | pop edi |
||
169 | |||
4700 | mario79 | 170 | mov eax, [esi+IDE_CACHE.appl_data_size] |
2288 | clevermous | 171 | call calculate_for_cd |
4700 | mario79 | 172 | add eax, [esi+IDE_CACHE.data_pointer] |
173 | mov [esi+IDE_CACHE.appl_data], eax |
||
174 | mov [esi+IDE_CACHE.appl_sad_size], ecx |
||
2288 | clevermous | 175 | |
176 | push edi |
||
4700 | mario79 | 177 | mov edi, [esi+IDE_CACHE.data_pointer] |
2288 | clevermous | 178 | call clear_ide_cache |
179 | pop edi |
||
180 | |||
181 | pop ecx |
||
182 | ret |
||
4700 | mario79 | 183 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 184 | calculate_for_cd: |
185 | push eax |
||
186 | mov ebx, eax |
||
187 | shr eax, 11 |
||
188 | shl eax, 3 |
||
189 | sub ebx, eax |
||
190 | shr ebx, 11 |
||
191 | mov ecx, ebx |
||
192 | shl ebx, 11 |
||
193 | pop eax |
||
194 | sub eax, ebx |
||
195 | dec ecx |
||
196 | ret |
||
4700 | mario79 | 197 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 198 | clear_ide_cache: |
199 | push eax |
||
200 | shl ecx, 1 |
||
201 | xor eax, eax |
||
202 | cld |
||
203 | rep stosd |
||
204 | pop eax |
||
205 | ret |
||
4700 | mario79 | 206 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 207 | end_get_cache: |
208 | popa |