Rev 593 | Rev 750 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
593 | mikedld | 1 | |
2 | |||
3 | |||
580 | mario79 | 4 | |
5 | |||
6 | ; 1/32 |
||
7 | shr eax,5 |
||
8 | ; round off up to 8 pages |
||
9 | shr eax,3 |
||
10 | shl eax,3 |
||
11 | ; translate pages in butes *4096 |
||
12 | shl eax,12 |
||
13 | ; check a upper size of the cache, no more than 1 Mb on the physical device |
||
585 | mario79 | 14 | cmp eax,1024*1024 |
580 | mario79 | 15 | jbe @f |
16 | mov eax,1024*1024 |
||
17 | jmp .continue |
||
18 | @@: |
||
19 | ; check a lower size of the cache, not less than 128 Kb on the physical device |
||
585 | mario79 | 20 | cmp eax,128*1024 |
580 | mario79 | 21 | jae @f |
22 | mov eax,128*1024 |
||
23 | @@: |
||
24 | .continue: |
||
25 | mov [cache_ide0_size],eax |
||
26 | mov [cache_ide1_size],eax |
||
27 | mov [cache_ide2_size],eax |
||
28 | mov [cache_ide3_size],eax |
||
29 | xor eax,eax |
||
30 | mov [hdd_appl_data],1 ;al |
||
31 | mov [cd_appl_data],1 |
||
585 | mario79 | 32 | |
580 | mario79 | 33 | |
709 | diamond | 34 | mov cl,ch |
35 | and cl,11b |
||
580 | mario79 | 36 | je .ide2 |
585 | mario79 | 37 | mov esi,cache_ide3 |
709 | diamond | 38 | call get_cache_ide |
39 | .ide2: |
||
580 | mario79 | 40 | mov cl,ch |
41 | shr cl,2 |
||
709 | diamond | 42 | and cl,11b |
43 | je .ide1 |
||
585 | mario79 | 44 | mov esi,cache_ide2 |
709 | diamond | 45 | call get_cache_ide |
46 | .ide1: |
||
580 | mario79 | 47 | mov cl,ch |
48 | shr cl,4 |
||
709 | diamond | 49 | and cl,11b |
50 | je .ide0 |
||
585 | mario79 | 51 | mov esi,cache_ide1 |
709 | diamond | 52 | call get_cache_ide |
53 | .ide0: |
||
580 | mario79 | 54 | mov cl,ch |
55 | shr cl,6 |
||
709 | diamond | 56 | and cl,11b |
57 | je @f |
||
58 | mov esi,cache_ide0 |
||
59 | call get_cache_ide |
||
60 | @@: |
||
61 | xor ecx,ecx |
||
62 | cmp [NumBiosDisks],ecx |
||
63 | jz .endbd |
||
64 | mov esi,BiosDiskCaches |
||
65 | .loopbd: |
||
66 | cmp byte [BiosDisksData+ecx*4+2],-1 |
||
67 | jnz .contbd |
||
68 | mov eax,[cache_ide0_size] |
||
69 | mov [esi+cache_ide0_size-cache_ide0],eax |
||
70 | push ecx |
||
580 | mario79 | 71 | mov cl,1 |
709 | diamond | 72 | call get_cache_ide |
73 | pop ecx |
||
580 | mario79 | 74 | .contbd: |
709 | diamond | 75 | add esi,cache_ide1-cache_ide0 |
76 | inc ecx |
||
77 | cmp ecx,[NumBiosDisks] |
||
78 | jb .loopbd |
||
79 | .endbd: |
||
80 | jmp end_get_cache |
||
81 | |||
580 | mario79 | 82 | |
709 | diamond | 83 | and [esi+cache_ide0_search_start-cache_ide0],0 |
84 | and [esi+cache_ide0_appl_search_start-cache_ide0],0 |
||
85 | push ecx |
||
580 | mario79 | 86 | stdcall kernel_alloc,[esi+cache_ide0_size-cache_ide0] |
709 | diamond | 87 | mov [esi+cache_ide0_pointer-cache_ide0],eax |
88 | pop ecx |
||
580 | mario79 | 89 | mov edx,eax |
90 | mov eax,[esi+cache_ide0_size-cache_ide0] |
||
709 | diamond | 91 | shr eax,3 |
580 | mario79 | 92 | mov [esi+cache_ide0_system_data_size-cache_ide0],eax |
709 | diamond | 93 | mov ebx,eax |
580 | mario79 | 94 | imul eax,7 |
95 | mov [esi+cache_ide0_appl_data_size-cache_ide0],eax |
||
709 | diamond | 96 | add ebx,edx |
580 | mario79 | 97 | mov [esi+cache_ide0_data_pointer-cache_ide0],ebx |
709 | diamond | 98 | |
585 | mario79 | 99 | |
580 | mario79 | 100 | je .cd |
585 | mario79 | 101 | push ecx |
580 | mario79 | 102 | mov eax,[esi+cache_ide0_system_data_size-cache_ide0] |
709 | diamond | 103 | call calculate_for_hd |
580 | mario79 | 104 | add eax,[esi+cache_ide0_pointer-cache_ide0] |
709 | diamond | 105 | mov [esi+cache_ide0_system_data-cache_ide0],eax |
106 | mov [esi+cache_ide0_system_sad_size-cache_ide0],ecx |
||
107 | |||
580 | mario79 | 108 | |
109 | mov edi,[esi+cache_ide0_pointer-cache_ide0] |
||
709 | diamond | 110 | call clear_ide_cache |
580 | mario79 | 111 | pop edi |
112 | |||
113 | |||
709 | diamond | 114 | call calculate_for_hd |
580 | mario79 | 115 | add eax,[esi+cache_ide0_data_pointer-cache_ide0] |
709 | diamond | 116 | mov [esi+cache_ide0_appl_data-cache_ide0],eax |
117 | mov [esi+cache_ide0_appl_sad_size-cache_ide0],ecx |
||
118 | |||
585 | mario79 | 119 | |
580 | mario79 | 120 | mov edi,[esi+cache_ide0_data_pointer-cache_ide0] |
709 | diamond | 121 | call clear_ide_cache |
580 | mario79 | 122 | pop edi |
123 | |||
585 | mario79 | 124 | |
580 | mario79 | 125 | ret |
126 | .cd: |
||
127 | push ecx |
||
128 | mov eax,[esi+cache_ide0_system_data_size-cache_ide0] |
||
709 | diamond | 129 | call calculate_for_cd |
580 | mario79 | 130 | add eax,[esi+cache_ide0_pointer-cache_ide0] |
709 | diamond | 131 | mov [esi+cache_ide0_system_data-cache_ide0],eax |
132 | mov [esi+cache_ide0_system_sad_size-cache_ide0],ecx |
||
133 | |||
580 | mario79 | 134 | |
135 | mov edi,[esi+cache_ide0_pointer-cache_ide0] |
||
709 | diamond | 136 | call clear_ide_cache |
580 | mario79 | 137 | pop edi |
138 | |||
139 | |||
709 | diamond | 140 | call calculate_for_cd |
580 | mario79 | 141 | add eax,[esi+cache_ide0_data_pointer-cache_ide0] |
709 | diamond | 142 | mov [esi+cache_ide0_appl_data-cache_ide0],eax |
143 | mov [esi+cache_ide0_appl_sad_size-cache_ide0],ecx |
||
144 | |||
585 | mario79 | 145 | |
580 | mario79 | 146 | mov edi,[esi+cache_ide0_data_pointer-cache_ide0] |
709 | diamond | 147 | call clear_ide_cache |
580 | mario79 | 148 | pop edi |
149 | |||
585 | mario79 | 150 | |
580 | mario79 | 151 | ret |
152 | |||
153 | |||
154 | push eax |
||
155 | mov ebx,eax |
||
156 | shr eax,9 |
||
157 | shl eax,3 |
||
158 | sub ebx,eax |
||
159 | shr ebx,9 |
||
160 | mov ecx,ebx |
||
161 | shl ebx,9 |
||
162 | pop eax |
||
163 | sub eax,ebx |
||
164 | dec ecx |
||
584 | mario79 | 165 | ret |
580 | mario79 | 166 | |
167 | |||
168 | push eax |
||
169 | mov ebx,eax |
||
170 | shr eax,11 |
||
171 | shl eax,3 |
||
172 | sub ebx,eax |
||
173 | shr ebx,11 |
||
174 | mov ecx,ebx |
||
175 | shl ebx,11 |
||
176 | pop eax |
||
177 | sub eax,ebx |
||
178 | dec ecx |
||
584 | mario79 | 179 | ret |
580 | mario79 | 180 | |
585 | mario79 | 181 | |
580 | mario79 | 182 | push eax |
183 | shl ecx,1 |
||
184 | xor eax,eax |
||
185 | cld |
||
186 | rep stosd |
||
187 | pop eax |
||
188 | ret |
||
189 | |||
585 | mario79 | 190 | |
580 | mario79 | 191 | ; mov [cache_ide0_pointer],HD_CACHE |
192 | ; mov [cache_ide0_system_data],HD_CACHE+65536 |
||
193 | ; mov [cache_ide0_system_sad_size],1919 |
||
194 | popa |
||
195 |