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Rev | Author | Line No. | Line |
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750 | victor | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
750 | victor | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
580 | mario79 | 8 | ;************************************************************************** |
9 | ; |
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10 | ; [cache_ide[X]_pointer] |
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11 | ; or [cache_ide[X]_data_pointer] first entry in cache list |
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12 | ; |
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13 | ; +0 - lba sector |
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14 | ; +4 - state of cache sector |
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15 | ; 0 = empty |
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16 | ; 1 = used for read ( same as in hd ) |
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17 | ; 2 = used for write ( differs from hd ) |
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18 | ; |
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19 | ; [cache_ide[X]_system_data] |
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20 | ; or [cache_ide[x]_appl_data] - cache entries |
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21 | ; |
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22 | ;************************************************************************** |
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593 | mikedld | 23 | |
750 | victor | 24 | $Revision: 2465 $ |
593 | mikedld | 25 | |
26 | |||
580 | mario79 | 27 | align 4 |
28 | write_cache: |
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29 | ;----------------------------------------------------------- |
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30 | ; write all changed sectors to disk |
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31 | ;----------------------------------------------------------- |
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32 | push eax ecx edx esi edi |
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33 | |||
34 | ; write difference ( 2 ) from cache to hd |
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35 | call calculate_cache |
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2434 | Serge | 36 | add esi, 8 |
37 | mov edi, 1 |
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585 | mario79 | 38 | write_cache_more: |
2434 | Serge | 39 | cmp dword [esi+4], 2; if cache slot is not different |
580 | mario79 | 40 | jne .write_chain |
2434 | Serge | 41 | mov dword [esi+4], 1; same as in hd |
42 | mov eax, [esi] ; eax = sector to write |
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43 | cmp eax, [PARTITION_START] |
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585 | mario79 | 44 | jb danger |
2434 | Serge | 45 | cmp eax, [PARTITION_END] |
585 | mario79 | 46 | ja danger |
709 | diamond | 47 | cmp [hdpos], 0x80 |
48 | jae @f |
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580 | mario79 | 49 | ; DMA write is permitted only if [allow_dma_access]=1 |
585 | mario79 | 50 | cmp [allow_dma_access], 2 |
51 | jae .nodma |
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52 | cmp [dma_hdd], 1 |
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53 | jnz .nodma |
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709 | diamond | 54 | @@: |
580 | mario79 | 55 | ; Объединяем запись цепочки последовательных секторов в одно обращение к диску |
585 | mario79 | 56 | cmp ecx, 1 |
57 | jz .nonext |
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58 | cmp dword [esi+8+4], 2 |
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59 | jnz .nonext |
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60 | push eax |
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61 | inc eax |
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62 | cmp eax, [esi+8] |
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63 | pop eax |
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64 | jnz .nonext |
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65 | cmp [cache_chain_started], 1 |
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66 | jz @f |
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67 | mov [cache_chain_started], 1 |
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68 | mov [cache_chain_size], 0 |
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69 | mov [cache_chain_pos], edi |
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70 | mov [cache_chain_ptr], esi |
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580 | mario79 | 71 | @@: |
585 | mario79 | 72 | inc [cache_chain_size] |
709 | diamond | 73 | cmp [cache_chain_size], 16 |
585 | mario79 | 74 | jnz .continue |
75 | jmp .write_chain |
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580 | mario79 | 76 | .nonext: |
585 | mario79 | 77 | call flush_cache_chain |
78 | mov [cache_chain_size], 1 |
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79 | mov [cache_chain_ptr], esi |
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80 | call write_cache_sector |
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81 | jmp .continue |
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580 | mario79 | 82 | .nodma: |
585 | mario79 | 83 | call cache_write_pio |
580 | mario79 | 84 | .write_chain: |
585 | mario79 | 85 | call flush_cache_chain |
580 | mario79 | 86 | .continue: |
585 | mario79 | 87 | danger: |
2434 | Serge | 88 | add esi, 8 |
580 | mario79 | 89 | inc edi |
90 | dec ecx |
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91 | jnz write_cache_more |
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585 | mario79 | 92 | call flush_cache_chain |
580 | mario79 | 93 | return_02: |
94 | pop edi esi edx ecx eax |
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95 | ret |
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96 | |||
97 | flush_cache_chain: |
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585 | mario79 | 98 | cmp [cache_chain_started], 0 |
99 | jz @f |
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100 | call write_cache_chain |
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101 | mov [cache_chain_started], 0 |
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580 | mario79 | 102 | @@: |
585 | mario79 | 103 | ret |
104 | ;-------------------------------------------------------------------- |
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580 | mario79 | 105 | align 4 |
106 | find_empty_slot: |
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107 | ;----------------------------------------------------------- |
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108 | ; find empty or read slot, flush cache if next 10% is used by write |
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109 | ; output : edi = cache slot |
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110 | ;----------------------------------------------------------- |
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111 | ; push ecx esi |
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112 | |||
585 | mario79 | 113 | search_again: |
580 | mario79 | 114 | call calculate_cache_3 |
2434 | Serge | 115 | shr ecx, 3 |
585 | mario79 | 116 | search_for_empty: |
580 | mario79 | 117 | inc edi |
118 | call calculate_cache_4 |
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119 | jbe inside_cache |
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2434 | Serge | 120 | mov edi, 1 |
585 | mario79 | 121 | inside_cache: |
580 | mario79 | 122 | push esi |
123 | call calculate_cache_1 |
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2434 | Serge | 124 | cmp dword [edi*8+esi+4], 2 |
580 | mario79 | 125 | pop esi |
585 | mario79 | 126 | jb found_slot ; it's empty or read |
580 | mario79 | 127 | dec ecx |
128 | jnz search_for_empty |
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585 | mario79 | 129 | call write_cache ; no empty slots found, write all |
2434 | Serge | 130 | cmp [hd_error], 0 |
580 | mario79 | 131 | jne found_slot_access_denied |
585 | mario79 | 132 | jmp search_again ; and start again |
133 | found_slot: |
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580 | mario79 | 134 | call calculate_cache_5 |
585 | mario79 | 135 | found_slot_access_denied: |
580 | mario79 | 136 | ret |
585 | mario79 | 137 | ;-------------------------------------------------------------------- |
580 | mario79 | 138 | align 4 |
139 | clear_hd_cache: |
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2434 | Serge | 140 | mov [fat_in_cache], -1 |
141 | mov [fat_change], 0 |
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580 | mario79 | 142 | ret |
143 | ;-------------------------------------------------------------------- |
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144 | align 4 |
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145 | calculate_cache: |
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146 | ; mov ecx,cache_max ; entries in cache |
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147 | ; mov esi,HD_CACHE+8 |
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148 | |||
149 | ; 1 - IDE0 ... 4 - IDE3 |
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150 | .ide0: |
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2434 | Serge | 151 | cmp [hdpos], 1 |
580 | mario79 | 152 | jne .ide1 |
2434 | Serge | 153 | cmp [hdd_appl_data], 0 |
580 | mario79 | 154 | jne .ide0_appl_data |
2434 | Serge | 155 | mov ecx, [cache_ide0_system_sad_size] |
156 | mov esi, [cache_ide0_pointer] |
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580 | mario79 | 157 | ret |
158 | .ide0_appl_data: |
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2434 | Serge | 159 | mov ecx, [cache_ide0_appl_sad_size] |
160 | mov esi, [cache_ide0_data_pointer] |
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580 | mario79 | 161 | ret |
162 | .ide1: |
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2434 | Serge | 163 | cmp [hdpos], 2 |
580 | mario79 | 164 | jne .ide2 |
2434 | Serge | 165 | cmp [hdd_appl_data], 0 |
580 | mario79 | 166 | jne .ide1_appl_data |
2434 | Serge | 167 | mov ecx, [cache_ide1_system_sad_size] |
168 | mov esi, [cache_ide1_pointer] |
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580 | mario79 | 169 | ret |
170 | .ide1_appl_data: |
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2434 | Serge | 171 | mov ecx, [cache_ide1_appl_sad_size] |
172 | mov esi, [cache_ide1_data_pointer] |
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580 | mario79 | 173 | ret |
174 | .ide2: |
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2434 | Serge | 175 | cmp [hdpos], 3 |
580 | mario79 | 176 | jne .ide3 |
2434 | Serge | 177 | cmp [hdd_appl_data], 0 |
580 | mario79 | 178 | jne .ide2_appl_data |
2434 | Serge | 179 | mov ecx, [cache_ide2_system_sad_size] |
180 | mov esi, [cache_ide2_pointer] |
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580 | mario79 | 181 | ret |
182 | .ide2_appl_data: |
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2434 | Serge | 183 | mov ecx, [cache_ide2_appl_sad_size] |
184 | mov esi, [cache_ide2_data_pointer] |
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580 | mario79 | 185 | ret |
186 | .ide3: |
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2434 | Serge | 187 | cmp [hdpos], 4 |
709 | diamond | 188 | jne .noide |
2434 | Serge | 189 | cmp [hdd_appl_data], 0 |
580 | mario79 | 190 | jne .ide3_appl_data |
2434 | Serge | 191 | mov ecx, [cache_ide3_system_sad_size] |
192 | mov esi, [cache_ide3_pointer] |
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580 | mario79 | 193 | ret |
194 | .ide3_appl_data: |
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2434 | Serge | 195 | mov ecx, [cache_ide3_appl_sad_size] |
196 | mov esi, [cache_ide3_data_pointer] |
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580 | mario79 | 197 | ret |
709 | diamond | 198 | .noide: |
199 | push eax |
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2434 | Serge | 200 | mov eax, [hdpos] |
201 | sub eax, 80h |
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709 | diamond | 202 | cmp byte [BiosDisksData+eax*4+2], -1 |
203 | jz @f |
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2434 | Serge | 204 | movzx eax, byte [BiosDisksData+eax*4+2] |
205 | imul eax, cache_ide1-cache_ide0 |
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206 | add eax, cache_ide0 |
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709 | diamond | 207 | jmp .get |
208 | @@: |
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2434 | Serge | 209 | imul eax, cache_ide1-cache_ide0 |
210 | add eax, BiosDiskCaches |
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709 | diamond | 211 | .get: |
2434 | Serge | 212 | cmp [hdd_appl_data], 0 |
709 | diamond | 213 | jne .bd_appl_data |
2434 | Serge | 214 | mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax] |
215 | mov esi, [cache_ide0_pointer-cache_ide0+eax] |
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709 | diamond | 216 | pop eax |
217 | ret |
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218 | .bd_appl_data: |
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2434 | Serge | 219 | mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax] |
220 | mov esi, [cache_ide0_data_pointer-cache_ide0+eax] |
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709 | diamond | 221 | pop eax |
222 | ret |
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580 | mario79 | 223 | ;-------------------------------------------------------------------- |
224 | align 4 |
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225 | calculate_cache_1: |
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226 | ; lea esi,[edi*8+HD_CACHE] |
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227 | ; 1 - IDE0 ... 4 - IDE3 |
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228 | .ide0: |
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2434 | Serge | 229 | cmp [hdpos], 1 |
580 | mario79 | 230 | jne .ide1 |
2434 | Serge | 231 | cmp [hdd_appl_data], 0 |
580 | mario79 | 232 | jne .ide0_appl_data |
2434 | Serge | 233 | mov esi, [cache_ide0_pointer] |
580 | mario79 | 234 | ret |
235 | .ide0_appl_data: |
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2434 | Serge | 236 | mov esi, [cache_ide0_data_pointer] |
580 | mario79 | 237 | ret |
238 | .ide1: |
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2434 | Serge | 239 | cmp [hdpos], 2 |
580 | mario79 | 240 | jne .ide2 |
2434 | Serge | 241 | cmp [hdd_appl_data], 0 |
580 | mario79 | 242 | jne .ide1_appl_data |
2434 | Serge | 243 | mov esi, [cache_ide1_pointer] |
580 | mario79 | 244 | ret |
245 | .ide1_appl_data: |
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2434 | Serge | 246 | mov esi, [cache_ide1_data_pointer] |
580 | mario79 | 247 | ret |
248 | .ide2: |
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2434 | Serge | 249 | cmp [hdpos], 3 |
580 | mario79 | 250 | jne .ide3 |
2434 | Serge | 251 | cmp [hdd_appl_data], 0 |
580 | mario79 | 252 | jne .ide2_appl_data |
2434 | Serge | 253 | mov esi, [cache_ide2_pointer] |
580 | mario79 | 254 | ret |
255 | .ide2_appl_data: |
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2434 | Serge | 256 | mov esi, [cache_ide2_data_pointer] |
580 | mario79 | 257 | ret |
258 | .ide3: |
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2434 | Serge | 259 | cmp [hdpos], 4 |
709 | diamond | 260 | jne .noide |
2434 | Serge | 261 | cmp [hdd_appl_data], 0 |
580 | mario79 | 262 | jne .ide3_appl_data |
2434 | Serge | 263 | mov esi, [cache_ide3_pointer] |
580 | mario79 | 264 | ret |
265 | .ide3_appl_data: |
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2434 | Serge | 266 | mov esi, [cache_ide3_data_pointer] |
580 | mario79 | 267 | ret |
709 | diamond | 268 | .noide: |
269 | push eax |
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2434 | Serge | 270 | mov eax, [hdpos] |
271 | sub eax, 80h |
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709 | diamond | 272 | cmp byte [BiosDisksData+eax*4+2], -1 |
273 | jz @f |
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2434 | Serge | 274 | movzx eax, byte [BiosDisksData+eax*4+2] |
275 | imul eax, cache_ide1-cache_ide0 |
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276 | add eax, cache_ide0 |
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709 | diamond | 277 | jmp .get |
278 | @@: |
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2434 | Serge | 279 | imul eax, cache_ide1-cache_ide0 |
280 | add eax, BiosDiskCaches |
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709 | diamond | 281 | .get: |
2434 | Serge | 282 | cmp [hdd_appl_data], 0 |
709 | diamond | 283 | jne .bd_appl_data |
2434 | Serge | 284 | mov esi, [cache_ide0_pointer-cache_ide0+eax] |
709 | diamond | 285 | pop eax |
286 | ret |
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287 | .bd_appl_data: |
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2434 | Serge | 288 | mov esi, [cache_ide0_data_pointer-cache_ide0+eax] |
709 | diamond | 289 | pop eax |
290 | ret |
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291 | |||
580 | mario79 | 292 | ;-------------------------------------------------------------------- |
293 | align 4 |
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294 | calculate_cache_2: |
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295 | ; add esi,HD_CACHE+65536 |
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296 | ; 1 - IDE0 ... 4 - IDE3 |
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297 | .ide0: |
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2434 | Serge | 298 | cmp [hdpos], 1 |
580 | mario79 | 299 | jne .ide1 |
2434 | Serge | 300 | cmp [hdd_appl_data], 0 |
580 | mario79 | 301 | jne .ide0_appl_data |
2434 | Serge | 302 | mov eax, [cache_ide0_system_data] |
580 | mario79 | 303 | ret |
304 | .ide0_appl_data: |
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2434 | Serge | 305 | mov eax, [cache_ide0_appl_data] |
580 | mario79 | 306 | ret |
307 | .ide1: |
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2434 | Serge | 308 | cmp [hdpos], 2 |
580 | mario79 | 309 | jne .ide2 |
2434 | Serge | 310 | cmp [hdd_appl_data], 0 |
580 | mario79 | 311 | jne .ide1_appl_data |
2434 | Serge | 312 | mov eax, [cache_ide1_system_data] |
580 | mario79 | 313 | ret |
314 | .ide1_appl_data: |
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2434 | Serge | 315 | mov eax, [cache_ide1_appl_data] |
580 | mario79 | 316 | ret |
317 | .ide2: |
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2434 | Serge | 318 | cmp [hdpos], 3 |
580 | mario79 | 319 | jne .ide3 |
2434 | Serge | 320 | cmp [hdd_appl_data], 0 |
580 | mario79 | 321 | jne .ide2_appl_data |
2434 | Serge | 322 | mov eax, [cache_ide2_system_data] |
580 | mario79 | 323 | ret |
324 | .ide2_appl_data: |
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2434 | Serge | 325 | mov eax, [cache_ide2_appl_data] |
580 | mario79 | 326 | ret |
327 | .ide3: |
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2434 | Serge | 328 | cmp [hdpos], 4 |
709 | diamond | 329 | jne .noide |
2434 | Serge | 330 | cmp [hdd_appl_data], 0 |
580 | mario79 | 331 | jne .ide3_appl_data |
2434 | Serge | 332 | mov eax, [cache_ide3_system_data] |
580 | mario79 | 333 | ret |
334 | .ide3_appl_data: |
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2434 | Serge | 335 | mov eax, [cache_ide3_appl_data] |
580 | mario79 | 336 | ret |
709 | diamond | 337 | .noide: |
2434 | Serge | 338 | mov eax, [hdpos] |
339 | sub eax, 80h |
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709 | diamond | 340 | cmp byte [BiosDisksData+eax*4+2], -1 |
341 | jz @f |
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2434 | Serge | 342 | movzx eax, byte [BiosDisksData+eax*4+2] |
343 | imul eax, cache_ide1-cache_ide0 |
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344 | add eax, cache_ide0 |
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709 | diamond | 345 | jmp .get |
346 | @@: |
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2434 | Serge | 347 | imul eax, cache_ide1-cache_ide0 |
348 | add eax, BiosDiskCaches |
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709 | diamond | 349 | .get: |
2434 | Serge | 350 | cmp [hdd_appl_data], 0 |
709 | diamond | 351 | jne .bd_appl_data |
2434 | Serge | 352 | mov eax, [cache_ide0_system_data-cache_ide0+eax] |
709 | diamond | 353 | ret |
354 | .bd_appl_data: |
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2434 | Serge | 355 | mov eax, [cache_ide0_appl_data-cache_ide0+eax] |
709 | diamond | 356 | ret |
580 | mario79 | 357 | ;-------------------------------------------------------------------- |
358 | align 4 |
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359 | calculate_cache_3: |
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360 | ; mov ecx,cache_max*10/100 |
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361 | ; mov edi,[cache_search_start] |
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362 | |||
363 | ; 1 - IDE0 ... 4 - IDE3 |
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364 | .ide0: |
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2434 | Serge | 365 | cmp [hdpos], 1 |
580 | mario79 | 366 | jne .ide1 |
2434 | Serge | 367 | cmp [hdd_appl_data], 0 |
580 | mario79 | 368 | jne .ide0_appl_data |
2434 | Serge | 369 | mov ecx, [cache_ide0_system_sad_size] |
370 | mov edi, [cache_ide0_search_start] |
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580 | mario79 | 371 | ret |
372 | .ide0_appl_data: |
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2434 | Serge | 373 | mov ecx, [cache_ide0_appl_sad_size] |
374 | mov edi, [cache_ide0_appl_search_start] |
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580 | mario79 | 375 | ret |
376 | .ide1: |
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2434 | Serge | 377 | cmp [hdpos], 2 |
580 | mario79 | 378 | jne .ide2 |
2434 | Serge | 379 | cmp [hdd_appl_data], 0 |
580 | mario79 | 380 | jne .ide1_appl_data |
2434 | Serge | 381 | mov ecx, [cache_ide1_system_sad_size] |
382 | mov edi, [cache_ide1_search_start] |
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580 | mario79 | 383 | ret |
384 | .ide1_appl_data: |
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2434 | Serge | 385 | mov ecx, [cache_ide1_appl_sad_size] |
386 | mov edi, [cache_ide1_appl_search_start] |
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580 | mario79 | 387 | ret |
388 | .ide2: |
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2434 | Serge | 389 | cmp [hdpos], 3 |
580 | mario79 | 390 | jne .ide3 |
2434 | Serge | 391 | cmp [hdd_appl_data], 0 |
580 | mario79 | 392 | jne .ide2_appl_data |
2434 | Serge | 393 | mov ecx, [cache_ide2_system_sad_size] |
394 | mov edi, [cache_ide2_search_start] |
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580 | mario79 | 395 | ret |
396 | .ide2_appl_data: |
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2434 | Serge | 397 | mov ecx, [cache_ide2_appl_sad_size] |
398 | mov edi, [cache_ide2_appl_search_start] |
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580 | mario79 | 399 | ret |
400 | .ide3: |
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2434 | Serge | 401 | cmp [hdpos], 4 |
709 | diamond | 402 | jne .noide |
2434 | Serge | 403 | cmp [hdd_appl_data], 0 |
580 | mario79 | 404 | jne .ide3_appl_data |
2434 | Serge | 405 | mov ecx, [cache_ide3_system_sad_size] |
406 | mov edi, [cache_ide3_search_start] |
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580 | mario79 | 407 | ret |
408 | .ide3_appl_data: |
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2434 | Serge | 409 | mov ecx, [cache_ide3_appl_sad_size] |
410 | mov edi, [cache_ide3_appl_search_start] |
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580 | mario79 | 411 | ret |
709 | diamond | 412 | .noide: |
413 | push eax |
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2434 | Serge | 414 | mov eax, [hdpos] |
415 | sub eax, 80h |
||
709 | diamond | 416 | cmp byte [BiosDisksData+eax*4+2], -1 |
417 | jz @f |
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2434 | Serge | 418 | movzx eax, byte [BiosDisksData+eax*4+2] |
419 | imul eax, cache_ide1-cache_ide0 |
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420 | add eax, cache_ide0 |
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709 | diamond | 421 | jmp .get |
422 | @@: |
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2434 | Serge | 423 | imul eax, cache_ide1-cache_ide0 |
424 | add eax, BiosDiskCaches |
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709 | diamond | 425 | .get: |
2434 | Serge | 426 | cmp [hdd_appl_data], 0 |
709 | diamond | 427 | jne .bd_appl_data |
2434 | Serge | 428 | mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax] |
429 | mov edi, [cache_ide0_search_start-cache_ide0+eax] |
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709 | diamond | 430 | pop eax |
431 | ret |
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432 | .bd_appl_data: |
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2434 | Serge | 433 | mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax] |
434 | mov edi, [cache_ide0_appl_search_start-cache_ide0+eax] |
||
709 | diamond | 435 | pop eax |
436 | ret |
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580 | mario79 | 437 | ;-------------------------------------------------------------------- |
438 | align 4 |
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439 | calculate_cache_4: |
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440 | ; cmp edi,cache_max |
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441 | ; 1 - IDE0 ... 4 - IDE3 |
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442 | .ide0: |
||
2434 | Serge | 443 | cmp [hdpos], 1 |
580 | mario79 | 444 | jne .ide1 |
2434 | Serge | 445 | cmp [hdd_appl_data], 0 |
580 | mario79 | 446 | jne .ide0_appl_data |
2434 | Serge | 447 | cmp edi, [cache_ide0_system_sad_size] |
580 | mario79 | 448 | ret |
449 | .ide0_appl_data: |
||
2434 | Serge | 450 | cmp edi, [cache_ide0_appl_sad_size] |
580 | mario79 | 451 | ret |
452 | .ide1: |
||
2434 | Serge | 453 | cmp [hdpos], 2 |
580 | mario79 | 454 | jne .ide2 |
2434 | Serge | 455 | cmp [hdd_appl_data], 0 |
580 | mario79 | 456 | jne .ide1_appl_data |
2434 | Serge | 457 | cmp edi, [cache_ide1_system_sad_size] |
580 | mario79 | 458 | ret |
459 | .ide1_appl_data: |
||
2434 | Serge | 460 | cmp edi, [cache_ide1_appl_sad_size] |
580 | mario79 | 461 | ret |
462 | .ide2: |
||
2434 | Serge | 463 | cmp [hdpos], 3 |
580 | mario79 | 464 | jne .ide3 |
2434 | Serge | 465 | cmp [hdd_appl_data], 0 |
580 | mario79 | 466 | jne .ide2_appl_data |
2434 | Serge | 467 | cmp edi, [cache_ide2_system_sad_size] |
580 | mario79 | 468 | ret |
469 | .ide2_appl_data: |
||
2434 | Serge | 470 | cmp edi, [cache_ide2_appl_sad_size] |
580 | mario79 | 471 | ret |
472 | .ide3: |
||
2434 | Serge | 473 | cmp [hdpos], 4 |
709 | diamond | 474 | jne .noide |
2434 | Serge | 475 | cmp [hdd_appl_data], 0 |
580 | mario79 | 476 | jne .ide3_appl_data |
2434 | Serge | 477 | cmp edi, [cache_ide3_system_sad_size] |
580 | mario79 | 478 | ret |
479 | .ide3_appl_data: |
||
2434 | Serge | 480 | cmp edi, [cache_ide3_appl_sad_size] |
580 | mario79 | 481 | ret |
709 | diamond | 482 | .noide: |
483 | push eax |
||
2434 | Serge | 484 | mov eax, [hdpos] |
485 | sub eax, 80h |
||
709 | diamond | 486 | cmp byte [BiosDisksData+eax*4+2], -1 |
487 | jz @f |
||
2434 | Serge | 488 | movzx eax, byte [BiosDisksData+eax*4+2] |
489 | imul eax, cache_ide1-cache_ide0 |
||
490 | add eax, cache_ide0 |
||
709 | diamond | 491 | jmp .get |
492 | @@: |
||
2434 | Serge | 493 | imul eax, cache_ide1-cache_ide0 |
494 | add eax, BiosDiskCaches |
||
709 | diamond | 495 | .get: |
2434 | Serge | 496 | cmp [hdd_appl_data], 0 |
709 | diamond | 497 | jne .bd_appl_data |
2434 | Serge | 498 | cmp edi, [cache_ide0_system_sad_size-cache_ide0+eax] |
709 | diamond | 499 | pop eax |
500 | ret |
||
501 | .bd_appl_data: |
||
2434 | Serge | 502 | cmp edi, [cache_ide0_appl_sad_size-cache_ide0+eax] |
709 | diamond | 503 | pop eax |
504 | ret |
||
505 | |||
580 | mario79 | 506 | ;-------------------------------------------------------------------- |
507 | align 4 |
||
508 | calculate_cache_5: |
||
509 | ; mov [cache_search_start],edi |
||
510 | ; 1 - IDE0 ... 4 - IDE3 |
||
511 | .ide0: |
||
2434 | Serge | 512 | cmp [hdpos], 1 |
580 | mario79 | 513 | jne .ide1 |
2434 | Serge | 514 | cmp [hdd_appl_data], 0 |
580 | mario79 | 515 | jne .ide0_appl_data |
2434 | Serge | 516 | mov [cache_ide0_search_start], edi |
580 | mario79 | 517 | ret |
518 | .ide0_appl_data: |
||
2434 | Serge | 519 | mov [cache_ide0_appl_search_start], edi |
580 | mario79 | 520 | ret |
521 | .ide1: |
||
2434 | Serge | 522 | cmp [hdpos], 2 |
580 | mario79 | 523 | jne .ide2 |
2434 | Serge | 524 | cmp [hdd_appl_data], 0 |
580 | mario79 | 525 | jne .ide1_appl_data |
2434 | Serge | 526 | mov [cache_ide1_search_start], edi |
580 | mario79 | 527 | ret |
528 | .ide1_appl_data: |
||
2434 | Serge | 529 | mov [cache_ide1_appl_search_start], edi |
580 | mario79 | 530 | ret |
531 | .ide2: |
||
2434 | Serge | 532 | cmp [hdpos], 3 |
580 | mario79 | 533 | jne .ide3 |
2434 | Serge | 534 | cmp [hdd_appl_data], 0 |
580 | mario79 | 535 | jne .ide2_appl_data |
2434 | Serge | 536 | mov [cache_ide2_search_start], edi |
580 | mario79 | 537 | ret |
538 | .ide2_appl_data: |
||
2434 | Serge | 539 | mov [cache_ide2_appl_search_start], edi |
580 | mario79 | 540 | ret |
541 | .ide3: |
||
2434 | Serge | 542 | cmp [hdpos], 4 |
709 | diamond | 543 | jne .noide |
2434 | Serge | 544 | cmp [hdd_appl_data], 0 |
580 | mario79 | 545 | jne .ide3_appl_data |
2434 | Serge | 546 | mov [cache_ide3_search_start], edi |
580 | mario79 | 547 | ret |
548 | .ide3_appl_data: |
||
2434 | Serge | 549 | mov [cache_ide3_appl_search_start], edi |
580 | mario79 | 550 | ret |
709 | diamond | 551 | .noide: |
552 | push eax |
||
2434 | Serge | 553 | mov eax, [hdpos] |
554 | sub eax, 80h |
||
709 | diamond | 555 | cmp byte [BiosDisksData+eax*4+2], -1 |
556 | jz @f |
||
2434 | Serge | 557 | movzx eax, byte [BiosDisksData+eax*4+2] |
558 | imul eax, cache_ide1-cache_ide0 |
||
559 | add eax, cache_ide0 |
||
709 | diamond | 560 | jmp .get |
561 | @@: |
||
2434 | Serge | 562 | imul eax, cache_ide1-cache_ide0 |
563 | add eax, BiosDiskCaches |
||
709 | diamond | 564 | .get: |
2434 | Serge | 565 | cmp [hdd_appl_data], 0 |
709 | diamond | 566 | jne .bd_appl_data |
2434 | Serge | 567 | mov [cache_ide0_search_start-cache_ide0+eax], edi |
709 | diamond | 568 | pop eax |
569 | ret |
||
570 | .bd_appl_data: |
||
2434 | Serge | 571 | mov [cache_ide0_appl_search_start-cache_ide0+eax], edi |
709 | diamond | 572 | pop eax |
573 | ret |
||
585 | mario79 | 574 | |
580 | mario79 | 575 | ;-------------------------------------------------------------------- |
576 | align 4 |
||
585 | mario79 | 577 | find_empty_slot_CD_cache: |
578 | ;----------------------------------------------------------- |
||
579 | ; find empty or read slot, flush cache if next 10% is used by write |
||
580 | ; output : edi = cache slot |
||
581 | ;----------------------------------------------------------- |
||
582 | .search_again: |
||
583 | call cd_calculate_cache_3 |
||
584 | .search_for_empty: |
||
585 | inc edi |
||
586 | call cd_calculate_cache_4 |
||
587 | jbe .inside_cache |
||
2434 | Serge | 588 | mov edi, 1 |
585 | mario79 | 589 | .inside_cache: |
590 | call cd_calculate_cache_5 |
||
580 | mario79 | 591 | ret |
585 | mario79 | 592 | ;-------------------------------------------------------------------- |
593 | clear_CD_cache: |
||
594 | pusha |
||
595 | .ide0: |
||
2434 | Serge | 596 | xor eax, eax |
597 | cmp [cdpos], 1 |
||
585 | mario79 | 598 | jne .ide1 |
2434 | Serge | 599 | mov [cache_ide0_search_start], eax |
600 | mov ecx, [cache_ide0_system_sad_size] |
||
601 | mov edi, [cache_ide0_pointer] |
||
585 | mario79 | 602 | call .clear |
2434 | Serge | 603 | mov [cache_ide0_appl_search_start], eax |
604 | mov ecx, [cache_ide0_appl_sad_size] |
||
605 | mov edi, [cache_ide0_data_pointer] |
||
585 | mario79 | 606 | jmp .continue |
607 | .ide1: |
||
2434 | Serge | 608 | cmp [cdpos], 2 |
585 | mario79 | 609 | jne .ide2 |
2434 | Serge | 610 | mov [cache_ide1_search_start], eax |
611 | mov ecx, [cache_ide1_system_sad_size] |
||
612 | mov edi, [cache_ide1_pointer] |
||
585 | mario79 | 613 | call .clear |
2434 | Serge | 614 | mov [cache_ide1_appl_search_start], eax |
615 | mov ecx, [cache_ide1_appl_sad_size] |
||
616 | mov edi, [cache_ide1_data_pointer] |
||
585 | mario79 | 617 | jmp .continue |
618 | .ide2: |
||
2434 | Serge | 619 | cmp [cdpos], 3 |
585 | mario79 | 620 | jne .ide3 |
2434 | Serge | 621 | mov [cache_ide2_search_start], eax |
622 | mov ecx, [cache_ide2_system_sad_size] |
||
623 | mov edi, [cache_ide2_pointer] |
||
585 | mario79 | 624 | call .clear |
2434 | Serge | 625 | mov [cache_ide2_appl_search_start], eax |
626 | mov ecx, [cache_ide2_appl_sad_size] |
||
627 | mov edi, [cache_ide2_data_pointer] |
||
585 | mario79 | 628 | jmp .continue |
629 | .ide3: |
||
2434 | Serge | 630 | mov [cache_ide3_search_start], eax |
631 | mov ecx, [cache_ide3_system_sad_size] |
||
632 | mov edi, [cache_ide3_pointer] |
||
585 | mario79 | 633 | call .clear |
2434 | Serge | 634 | mov [cache_ide3_appl_search_start], eax |
635 | mov ecx, [cache_ide3_appl_sad_size] |
||
636 | mov edi, [cache_ide3_data_pointer] |
||
585 | mario79 | 637 | .continue: |
638 | call .clear |
||
639 | popa |
||
640 | ret |
||
641 | .clear: |
||
2434 | Serge | 642 | shl ecx, 1 |
585 | mario79 | 643 | cld |
644 | rep stosd |
||
645 | ret |
||
646 | ;-------------------------------------------------------------------- |
||
647 | align 4 |
||
648 | cd_calculate_cache: |
||
649 | ; mov ecx,cache_max ; entries in cache |
||
650 | ; mov esi,HD_CACHE+8 |
||
651 | |||
652 | ; 1 - IDE0 ... 4 - IDE3 |
||
653 | .ide0: |
||
2434 | Serge | 654 | cmp [cdpos], 1 |
585 | mario79 | 655 | jne .ide1 |
2434 | Serge | 656 | cmp [cd_appl_data], 0 |
585 | mario79 | 657 | jne .ide0_appl_data |
2434 | Serge | 658 | mov ecx, [cache_ide0_system_sad_size] |
659 | mov esi, [cache_ide0_pointer] |
||
585 | mario79 | 660 | ret |
661 | .ide0_appl_data: |
||
2434 | Serge | 662 | mov ecx, [cache_ide0_appl_sad_size] |
663 | mov esi, [cache_ide0_data_pointer] |
||
585 | mario79 | 664 | ret |
665 | .ide1: |
||
2434 | Serge | 666 | cmp [cdpos], 2 |
585 | mario79 | 667 | jne .ide2 |
2434 | Serge | 668 | cmp [cd_appl_data], 0 |
585 | mario79 | 669 | jne .ide1_appl_data |
2434 | Serge | 670 | mov ecx, [cache_ide1_system_sad_size] |
671 | mov esi, [cache_ide1_pointer] |
||
585 | mario79 | 672 | ret |
673 | .ide1_appl_data: |
||
2434 | Serge | 674 | mov ecx, [cache_ide1_appl_sad_size] |
675 | mov esi, [cache_ide1_data_pointer] |
||
585 | mario79 | 676 | ret |
677 | .ide2: |
||
2434 | Serge | 678 | cmp [cdpos], 3 |
585 | mario79 | 679 | jne .ide3 |
2434 | Serge | 680 | cmp [cd_appl_data], 0 |
585 | mario79 | 681 | jne .ide2_appl_data |
2434 | Serge | 682 | mov ecx, [cache_ide2_system_sad_size] |
683 | mov esi, [cache_ide2_pointer] |
||
585 | mario79 | 684 | ret |
685 | .ide2_appl_data: |
||
2434 | Serge | 686 | mov ecx, [cache_ide2_appl_sad_size] |
687 | mov esi, [cache_ide2_data_pointer] |
||
585 | mario79 | 688 | ret |
689 | .ide3: |
||
2434 | Serge | 690 | cmp [cd_appl_data], 0 |
585 | mario79 | 691 | jne .ide3_appl_data |
2434 | Serge | 692 | mov ecx, [cache_ide3_system_sad_size] |
693 | mov esi, [cache_ide3_pointer] |
||
585 | mario79 | 694 | ret |
695 | .ide3_appl_data: |
||
2434 | Serge | 696 | mov ecx, [cache_ide3_appl_sad_size] |
697 | mov esi, [cache_ide3_data_pointer] |
||
585 | mario79 | 698 | ret |
699 | ;-------------------------------------------------------------------- |
||
700 | align 4 |
||
701 | cd_calculate_cache_1: |
||
702 | ; lea esi,[edi*8+HD_CACHE] |
||
703 | ; 1 - IDE0 ... 4 - IDE3 |
||
704 | .ide0: |
||
2434 | Serge | 705 | cmp [cdpos], 1 |
585 | mario79 | 706 | jne .ide1 |
2434 | Serge | 707 | cmp [cd_appl_data], 0 |
585 | mario79 | 708 | jne .ide0_appl_data |
2434 | Serge | 709 | mov esi, [cache_ide0_pointer] |
585 | mario79 | 710 | ret |
711 | .ide0_appl_data: |
||
2434 | Serge | 712 | mov esi, [cache_ide0_data_pointer] |
585 | mario79 | 713 | ret |
714 | .ide1: |
||
2434 | Serge | 715 | cmp [cdpos], 2 |
585 | mario79 | 716 | jne .ide2 |
2434 | Serge | 717 | cmp [cd_appl_data], 0 |
585 | mario79 | 718 | jne .ide1_appl_data |
2434 | Serge | 719 | mov esi, [cache_ide1_pointer] |
585 | mario79 | 720 | ret |
721 | .ide1_appl_data: |
||
2434 | Serge | 722 | mov esi, [cache_ide1_data_pointer] |
585 | mario79 | 723 | ret |
724 | .ide2: |
||
2434 | Serge | 725 | cmp [cdpos], 3 |
585 | mario79 | 726 | jne .ide3 |
2434 | Serge | 727 | cmp [cd_appl_data], 0 |
585 | mario79 | 728 | jne .ide2_appl_data |
2434 | Serge | 729 | mov esi, [cache_ide2_pointer] |
585 | mario79 | 730 | ret |
731 | .ide2_appl_data: |
||
2434 | Serge | 732 | mov esi, [cache_ide2_data_pointer] |
585 | mario79 | 733 | ret |
734 | .ide3: |
||
2434 | Serge | 735 | cmp [cd_appl_data], 0 |
585 | mario79 | 736 | jne .ide3_appl_data |
2434 | Serge | 737 | mov esi, [cache_ide3_pointer] |
585 | mario79 | 738 | ret |
739 | .ide3_appl_data: |
||
2434 | Serge | 740 | mov esi, [cache_ide3_data_pointer] |
585 | mario79 | 741 | ret |
742 | ;-------------------------------------------------------------------- |
||
743 | align 4 |
||
744 | cd_calculate_cache_2: |
||
745 | ; add esi,HD_CACHE+65536 |
||
746 | ; 1 - IDE0 ... 4 - IDE3 |
||
747 | .ide0: |
||
2434 | Serge | 748 | cmp [cdpos], 1 |
585 | mario79 | 749 | jne .ide1 |
2434 | Serge | 750 | cmp [cd_appl_data], 0 |
585 | mario79 | 751 | jne .ide0_appl_data |
2434 | Serge | 752 | mov eax, [cache_ide0_system_data] |
585 | mario79 | 753 | ret |
754 | .ide0_appl_data: |
||
2434 | Serge | 755 | mov eax, [cache_ide0_appl_data] |
585 | mario79 | 756 | ret |
757 | .ide1: |
||
2434 | Serge | 758 | cmp [cdpos], 2 |
585 | mario79 | 759 | jne .ide2 |
2434 | Serge | 760 | cmp [cd_appl_data], 0 |
585 | mario79 | 761 | jne .ide1_appl_data |
2434 | Serge | 762 | mov eax, [cache_ide1_system_data] |
585 | mario79 | 763 | ret |
764 | .ide1_appl_data: |
||
2434 | Serge | 765 | mov eax, [cache_ide1_appl_data] |
585 | mario79 | 766 | ret |
767 | .ide2: |
||
2434 | Serge | 768 | cmp [cdpos], 3 |
585 | mario79 | 769 | jne .ide3 |
2434 | Serge | 770 | cmp [cd_appl_data], 0 |
585 | mario79 | 771 | jne .ide2_appl_data |
2434 | Serge | 772 | mov eax, [cache_ide2_system_data] |
585 | mario79 | 773 | ret |
774 | .ide2_appl_data: |
||
2434 | Serge | 775 | mov eax, [cache_ide2_appl_data] |
585 | mario79 | 776 | ret |
777 | .ide3: |
||
2434 | Serge | 778 | cmp [cd_appl_data], 0 |
585 | mario79 | 779 | jne .ide3_appl_data |
2434 | Serge | 780 | mov eax, [cache_ide3_system_data] |
585 | mario79 | 781 | ret |
782 | .ide3_appl_data: |
||
2434 | Serge | 783 | mov eax, [cache_ide3_appl_data] |
585 | mario79 | 784 | ret |
785 | ;-------------------------------------------------------------------- |
||
786 | align 4 |
||
787 | cd_calculate_cache_3: |
||
788 | ; mov ecx,cache_max*10/100 |
||
789 | ; mov edi,[cache_search_start] |
||
790 | |||
791 | ; 1 - IDE0 ... 4 - IDE3 |
||
792 | .ide0: |
||
2434 | Serge | 793 | cmp [cdpos], 1 |
585 | mario79 | 794 | jne .ide1 |
2434 | Serge | 795 | cmp [cd_appl_data], 0 |
585 | mario79 | 796 | jne .ide0_appl_data |
2434 | Serge | 797 | mov edi, [cache_ide0_search_start] |
585 | mario79 | 798 | ret |
799 | .ide0_appl_data: |
||
2434 | Serge | 800 | mov edi, [cache_ide0_appl_search_start] |
585 | mario79 | 801 | ret |
802 | .ide1: |
||
2434 | Serge | 803 | cmp [cdpos], 2 |
585 | mario79 | 804 | jne .ide2 |
2434 | Serge | 805 | cmp [cd_appl_data], 0 |
585 | mario79 | 806 | jne .ide1_appl_data |
2434 | Serge | 807 | mov edi, [cache_ide1_search_start] |
585 | mario79 | 808 | ret |
809 | .ide1_appl_data: |
||
2434 | Serge | 810 | mov edi, [cache_ide1_appl_search_start] |
585 | mario79 | 811 | ret |
812 | .ide2: |
||
2434 | Serge | 813 | cmp [cdpos], 3 |
585 | mario79 | 814 | jne .ide3 |
2434 | Serge | 815 | cmp [cd_appl_data], 0 |
585 | mario79 | 816 | jne .ide2_appl_data |
2434 | Serge | 817 | mov edi, [cache_ide2_search_start] |
585 | mario79 | 818 | ret |
819 | .ide2_appl_data: |
||
2434 | Serge | 820 | mov edi, [cache_ide2_appl_search_start] |
585 | mario79 | 821 | ret |
822 | .ide3: |
||
2434 | Serge | 823 | cmp [cd_appl_data], 0 |
585 | mario79 | 824 | jne .ide3_appl_data |
2434 | Serge | 825 | mov edi, [cache_ide3_search_start] |
585 | mario79 | 826 | ret |
827 | .ide3_appl_data: |
||
2434 | Serge | 828 | mov edi, [cache_ide3_appl_search_start] |
585 | mario79 | 829 | ret |
830 | ;-------------------------------------------------------------------- |
||
831 | align 4 |
||
832 | cd_calculate_cache_4: |
||
833 | ; cmp edi,cache_max |
||
834 | ; 1 - IDE0 ... 4 - IDE3 |
||
835 | .ide0: |
||
2434 | Serge | 836 | cmp [cdpos], 1 |
585 | mario79 | 837 | jne .ide1 |
2434 | Serge | 838 | cmp [cd_appl_data], 0 |
585 | mario79 | 839 | jne .ide0_appl_data |
2434 | Serge | 840 | cmp edi, [cache_ide0_system_sad_size] |
585 | mario79 | 841 | ret |
842 | .ide0_appl_data: |
||
2434 | Serge | 843 | cmp edi, [cache_ide0_appl_sad_size] |
585 | mario79 | 844 | ret |
845 | .ide1: |
||
2434 | Serge | 846 | cmp [cdpos], 2 |
585 | mario79 | 847 | jne .ide2 |
2434 | Serge | 848 | cmp [cd_appl_data], 0 |
585 | mario79 | 849 | jne .ide1_appl_data |
2434 | Serge | 850 | cmp edi, [cache_ide1_system_sad_size] |
585 | mario79 | 851 | ret |
852 | .ide1_appl_data: |
||
2434 | Serge | 853 | cmp edi, [cache_ide1_appl_sad_size] |
585 | mario79 | 854 | ret |
855 | .ide2: |
||
2434 | Serge | 856 | cmp [cdpos], 3 |
585 | mario79 | 857 | jne .ide3 |
2434 | Serge | 858 | cmp [cd_appl_data], 0 |
585 | mario79 | 859 | jne .ide2_appl_data |
2434 | Serge | 860 | cmp edi, [cache_ide2_system_sad_size] |
585 | mario79 | 861 | ret |
862 | .ide2_appl_data: |
||
2434 | Serge | 863 | cmp edi, [cache_ide2_appl_sad_size] |
585 | mario79 | 864 | ret |
865 | .ide3: |
||
2434 | Serge | 866 | cmp [cd_appl_data], 0 |
585 | mario79 | 867 | jne .ide3_appl_data |
2434 | Serge | 868 | cmp edi, [cache_ide3_system_sad_size] |
585 | mario79 | 869 | ret |
870 | .ide3_appl_data: |
||
2434 | Serge | 871 | cmp edi, [cache_ide3_appl_sad_size] |
585 | mario79 | 872 | ret |
873 | ;-------------------------------------------------------------------- |
||
874 | align 4 |
||
875 | cd_calculate_cache_5: |
||
876 | ; mov [cache_search_start],edi |
||
877 | ; 1 - IDE0 ... 4 - IDE3 |
||
878 | .ide0: |
||
2434 | Serge | 879 | cmp [cdpos], 1 |
585 | mario79 | 880 | jne .ide1 |
2434 | Serge | 881 | cmp [cd_appl_data], 0 |
585 | mario79 | 882 | jne .ide0_appl_data |
2434 | Serge | 883 | mov [cache_ide0_search_start], edi |
585 | mario79 | 884 | ret |
885 | .ide0_appl_data: |
||
2434 | Serge | 886 | mov [cache_ide0_appl_search_start], edi |
585 | mario79 | 887 | ret |
888 | .ide1: |
||
2434 | Serge | 889 | cmp [cdpos], 2 |
585 | mario79 | 890 | jne .ide2 |
2434 | Serge | 891 | cmp [cd_appl_data], 0 |
585 | mario79 | 892 | jne .ide1_appl_data |
2434 | Serge | 893 | mov [cache_ide1_search_start], edi |
585 | mario79 | 894 | ret |
895 | .ide1_appl_data: |
||
2434 | Serge | 896 | mov [cache_ide1_appl_search_start], edi |
585 | mario79 | 897 | ret |
898 | .ide2: |
||
2434 | Serge | 899 | cmp [cdpos], 3 |
585 | mario79 | 900 | jne .ide3 |
2434 | Serge | 901 | cmp [cd_appl_data], 0 |
585 | mario79 | 902 | jne .ide2_appl_data |
2434 | Serge | 903 | mov [cache_ide2_search_start], edi |
585 | mario79 | 904 | ret |
905 | .ide2_appl_data: |
||
2434 | Serge | 906 | mov [cache_ide2_appl_search_start], edi |
585 | mario79 | 907 | ret |
908 | .ide3: |
||
2434 | Serge | 909 | cmp [cd_appl_data], 0 |
585 | mario79 | 910 | jne .ide3_appl_data |
2434 | Serge | 911 | mov [cache_ide3_search_start], edi |
585 | mario79 | 912 | ret |
913 | .ide3_appl_data: |
||
2434 | Serge | 914 | mov [cache_ide3_appl_search_start], edi |
585 | mario79 | 915 | ret |
916 | ;-------------------------------------------------------------------- |
||
917 | ;align 4 |
||
918 | ;calculate_linear_to_real: |
||
919 | ; shr eax, 12 |
||
920 | ; mov eax, [page_tabs+eax*4] |
||
921 | ; and eax, 0xFFFFF000 |
||
922 | ; ret |