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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2455 | mario79 | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | ;************************************************************************** |
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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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23 | |||
24 | $Revision: 3742 $ |
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25 | |||
26 | align 4 |
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27 | find_empty_slot_CD_cache: |
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28 | ;----------------------------------------------------------- |
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29 | ; find empty or read slot, flush cache if next 10% is used by write |
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30 | ; output : edi = cache slot |
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31 | ;----------------------------------------------------------- |
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32 | .search_again: |
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33 | call cd_calculate_cache_3 |
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34 | .search_for_empty: |
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35 | inc edi |
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36 | call cd_calculate_cache_4 |
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37 | jbe .inside_cache |
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38 | mov edi, 1 |
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39 | .inside_cache: |
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40 | call cd_calculate_cache_5 |
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41 | ret |
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42 | ;-------------------------------------------------------------------- |
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43 | clear_CD_cache: |
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44 | pusha |
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45 | .ide0: |
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46 | xor eax, eax |
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47 | cmp [cdpos], 1 |
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48 | jne .ide1 |
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49 | mov [cache_ide0_search_start], eax |
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50 | mov ecx, [cache_ide0_system_sad_size] |
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51 | mov edi, [cache_ide0_pointer] |
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52 | call .clear |
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53 | mov [cache_ide0_appl_search_start], eax |
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54 | mov ecx, [cache_ide0_appl_sad_size] |
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55 | mov edi, [cache_ide0_data_pointer] |
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56 | jmp .continue |
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57 | .ide1: |
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58 | cmp [cdpos], 2 |
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59 | jne .ide2 |
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60 | mov [cache_ide1_search_start], eax |
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61 | mov ecx, [cache_ide1_system_sad_size] |
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62 | mov edi, [cache_ide1_pointer] |
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63 | call .clear |
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64 | mov [cache_ide1_appl_search_start], eax |
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65 | mov ecx, [cache_ide1_appl_sad_size] |
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66 | mov edi, [cache_ide1_data_pointer] |
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67 | jmp .continue |
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68 | .ide2: |
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69 | cmp [cdpos], 3 |
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70 | jne .ide3 |
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71 | mov [cache_ide2_search_start], eax |
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72 | mov ecx, [cache_ide2_system_sad_size] |
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73 | mov edi, [cache_ide2_pointer] |
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74 | call .clear |
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75 | mov [cache_ide2_appl_search_start], eax |
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76 | mov ecx, [cache_ide2_appl_sad_size] |
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77 | mov edi, [cache_ide2_data_pointer] |
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78 | jmp .continue |
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79 | .ide3: |
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80 | mov [cache_ide3_search_start], eax |
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81 | mov ecx, [cache_ide3_system_sad_size] |
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82 | mov edi, [cache_ide3_pointer] |
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83 | call .clear |
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84 | mov [cache_ide3_appl_search_start], eax |
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85 | mov ecx, [cache_ide3_appl_sad_size] |
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86 | mov edi, [cache_ide3_data_pointer] |
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87 | .continue: |
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88 | call .clear |
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89 | popa |
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90 | ret |
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91 | .clear: |
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92 | shl ecx, 1 |
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93 | cld |
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94 | rep stosd |
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95 | ret |
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96 | ;-------------------------------------------------------------------- |
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97 | align 4 |
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98 | cd_calculate_cache: |
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99 | ; 1 - IDE0 ... 4 - IDE3 |
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100 | .ide0: |
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101 | cmp [cdpos], 1 |
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102 | jne .ide1 |
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103 | cmp [cd_appl_data], 0 |
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104 | jne .ide0_appl_data |
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105 | mov ecx, [cache_ide0_system_sad_size] |
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106 | mov esi, [cache_ide0_pointer] |
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107 | ret |
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108 | .ide0_appl_data: |
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109 | mov ecx, [cache_ide0_appl_sad_size] |
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110 | mov esi, [cache_ide0_data_pointer] |
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111 | ret |
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112 | .ide1: |
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113 | cmp [cdpos], 2 |
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114 | jne .ide2 |
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115 | cmp [cd_appl_data], 0 |
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116 | jne .ide1_appl_data |
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117 | mov ecx, [cache_ide1_system_sad_size] |
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118 | mov esi, [cache_ide1_pointer] |
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119 | ret |
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120 | .ide1_appl_data: |
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121 | mov ecx, [cache_ide1_appl_sad_size] |
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122 | mov esi, [cache_ide1_data_pointer] |
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123 | ret |
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124 | .ide2: |
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125 | cmp [cdpos], 3 |
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126 | jne .ide3 |
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127 | cmp [cd_appl_data], 0 |
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128 | jne .ide2_appl_data |
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129 | mov ecx, [cache_ide2_system_sad_size] |
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130 | mov esi, [cache_ide2_pointer] |
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131 | ret |
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132 | .ide2_appl_data: |
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133 | mov ecx, [cache_ide2_appl_sad_size] |
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134 | mov esi, [cache_ide2_data_pointer] |
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135 | ret |
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136 | .ide3: |
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137 | cmp [cd_appl_data], 0 |
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138 | jne .ide3_appl_data |
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139 | mov ecx, [cache_ide3_system_sad_size] |
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140 | mov esi, [cache_ide3_pointer] |
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141 | ret |
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142 | .ide3_appl_data: |
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143 | mov ecx, [cache_ide3_appl_sad_size] |
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144 | mov esi, [cache_ide3_data_pointer] |
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145 | ret |
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146 | ;-------------------------------------------------------------------- |
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147 | align 4 |
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148 | cd_calculate_cache_1: |
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149 | ; 1 - IDE0 ... 4 - IDE3 |
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150 | .ide0: |
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151 | cmp [cdpos], 1 |
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152 | jne .ide1 |
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153 | cmp [cd_appl_data], 0 |
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154 | jne .ide0_appl_data |
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155 | mov esi, [cache_ide0_pointer] |
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156 | ret |
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157 | .ide0_appl_data: |
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158 | mov esi, [cache_ide0_data_pointer] |
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159 | ret |
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160 | .ide1: |
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161 | cmp [cdpos], 2 |
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162 | jne .ide2 |
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163 | cmp [cd_appl_data], 0 |
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164 | jne .ide1_appl_data |
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165 | mov esi, [cache_ide1_pointer] |
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166 | ret |
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167 | .ide1_appl_data: |
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168 | mov esi, [cache_ide1_data_pointer] |
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169 | ret |
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170 | .ide2: |
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171 | cmp [cdpos], 3 |
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172 | jne .ide3 |
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173 | cmp [cd_appl_data], 0 |
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174 | jne .ide2_appl_data |
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175 | mov esi, [cache_ide2_pointer] |
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176 | ret |
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177 | .ide2_appl_data: |
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178 | mov esi, [cache_ide2_data_pointer] |
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179 | ret |
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180 | .ide3: |
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181 | cmp [cd_appl_data], 0 |
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182 | jne .ide3_appl_data |
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183 | mov esi, [cache_ide3_pointer] |
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184 | ret |
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185 | .ide3_appl_data: |
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186 | mov esi, [cache_ide3_data_pointer] |
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187 | ret |
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188 | ;-------------------------------------------------------------------- |
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189 | align 4 |
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190 | cd_calculate_cache_2: |
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191 | ; 1 - IDE0 ... 4 - IDE3 |
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192 | .ide0: |
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193 | cmp [cdpos], 1 |
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194 | jne .ide1 |
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195 | cmp [cd_appl_data], 0 |
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196 | jne .ide0_appl_data |
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197 | mov eax, [cache_ide0_system_data] |
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198 | ret |
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199 | .ide0_appl_data: |
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200 | mov eax, [cache_ide0_appl_data] |
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201 | ret |
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202 | .ide1: |
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203 | cmp [cdpos], 2 |
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204 | jne .ide2 |
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205 | cmp [cd_appl_data], 0 |
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206 | jne .ide1_appl_data |
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207 | mov eax, [cache_ide1_system_data] |
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208 | ret |
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209 | .ide1_appl_data: |
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210 | mov eax, [cache_ide1_appl_data] |
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211 | ret |
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212 | .ide2: |
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213 | cmp [cdpos], 3 |
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214 | jne .ide3 |
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215 | cmp [cd_appl_data], 0 |
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216 | jne .ide2_appl_data |
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217 | mov eax, [cache_ide2_system_data] |
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218 | ret |
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219 | .ide2_appl_data: |
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220 | mov eax, [cache_ide2_appl_data] |
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221 | ret |
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222 | .ide3: |
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223 | cmp [cd_appl_data], 0 |
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224 | jne .ide3_appl_data |
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225 | mov eax, [cache_ide3_system_data] |
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226 | ret |
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227 | .ide3_appl_data: |
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228 | mov eax, [cache_ide3_appl_data] |
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229 | ret |
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230 | ;-------------------------------------------------------------------- |
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231 | align 4 |
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232 | cd_calculate_cache_3: |
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233 | ; mov ecx,cache_max*10/100 |
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234 | ; mov edi,[cache_search_start] |
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235 | |||
236 | ; 1 - IDE0 ... 4 - IDE3 |
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237 | .ide0: |
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238 | cmp [cdpos], 1 |
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239 | jne .ide1 |
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240 | cmp [cd_appl_data], 0 |
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241 | jne .ide0_appl_data |
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242 | mov edi, [cache_ide0_search_start] |
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243 | ret |
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244 | .ide0_appl_data: |
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245 | mov edi, [cache_ide0_appl_search_start] |
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246 | ret |
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247 | .ide1: |
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248 | cmp [cdpos], 2 |
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249 | jne .ide2 |
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250 | cmp [cd_appl_data], 0 |
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251 | jne .ide1_appl_data |
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252 | mov edi, [cache_ide1_search_start] |
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253 | ret |
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254 | .ide1_appl_data: |
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255 | mov edi, [cache_ide1_appl_search_start] |
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256 | ret |
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257 | .ide2: |
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258 | cmp [cdpos], 3 |
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259 | jne .ide3 |
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260 | cmp [cd_appl_data], 0 |
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261 | jne .ide2_appl_data |
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262 | mov edi, [cache_ide2_search_start] |
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263 | ret |
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264 | .ide2_appl_data: |
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265 | mov edi, [cache_ide2_appl_search_start] |
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266 | ret |
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267 | .ide3: |
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268 | cmp [cd_appl_data], 0 |
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269 | jne .ide3_appl_data |
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270 | mov edi, [cache_ide3_search_start] |
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271 | ret |
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272 | .ide3_appl_data: |
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273 | mov edi, [cache_ide3_appl_search_start] |
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274 | ret |
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275 | ;-------------------------------------------------------------------- |
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276 | align 4 |
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277 | cd_calculate_cache_4: |
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278 | ; cmp edi,cache_max |
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279 | ; 1 - IDE0 ... 4 - IDE3 |
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280 | .ide0: |
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281 | cmp [cdpos], 1 |
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282 | jne .ide1 |
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283 | cmp [cd_appl_data], 0 |
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284 | jne .ide0_appl_data |
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285 | cmp edi, [cache_ide0_system_sad_size] |
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286 | ret |
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287 | .ide0_appl_data: |
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288 | cmp edi, [cache_ide0_appl_sad_size] |
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289 | ret |
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290 | .ide1: |
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291 | cmp [cdpos], 2 |
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292 | jne .ide2 |
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293 | cmp [cd_appl_data], 0 |
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294 | jne .ide1_appl_data |
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295 | cmp edi, [cache_ide1_system_sad_size] |
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296 | ret |
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297 | .ide1_appl_data: |
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298 | cmp edi, [cache_ide1_appl_sad_size] |
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299 | ret |
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300 | .ide2: |
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301 | cmp [cdpos], 3 |
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302 | jne .ide3 |
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303 | cmp [cd_appl_data], 0 |
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304 | jne .ide2_appl_data |
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305 | cmp edi, [cache_ide2_system_sad_size] |
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306 | ret |
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307 | .ide2_appl_data: |
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308 | cmp edi, [cache_ide2_appl_sad_size] |
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309 | ret |
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310 | .ide3: |
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311 | cmp [cd_appl_data], 0 |
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312 | jne .ide3_appl_data |
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313 | cmp edi, [cache_ide3_system_sad_size] |
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314 | ret |
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315 | .ide3_appl_data: |
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316 | cmp edi, [cache_ide3_appl_sad_size] |
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317 | ret |
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318 | ;-------------------------------------------------------------------- |
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319 | align 4 |
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320 | cd_calculate_cache_5: |
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321 | ; mov [cache_search_start],edi |
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322 | ; 1 - IDE0 ... 4 - IDE3 |
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323 | .ide0: |
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324 | cmp [cdpos], 1 |
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325 | jne .ide1 |
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326 | cmp [cd_appl_data], 0 |
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327 | jne .ide0_appl_data |
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328 | mov [cache_ide0_search_start], edi |
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329 | ret |
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330 | .ide0_appl_data: |
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331 | mov [cache_ide0_appl_search_start], edi |
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332 | ret |
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333 | .ide1: |
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334 | cmp [cdpos], 2 |
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335 | jne .ide2 |
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336 | cmp [cd_appl_data], 0 |
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337 | jne .ide1_appl_data |
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338 | mov [cache_ide1_search_start], edi |
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339 | ret |
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340 | .ide1_appl_data: |
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341 | mov [cache_ide1_appl_search_start], edi |
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342 | ret |
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343 | .ide2: |
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344 | cmp [cdpos], 3 |
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345 | jne .ide3 |
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346 | cmp [cd_appl_data], 0 |
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347 | jne .ide2_appl_data |
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348 | mov [cache_ide2_search_start], edi |
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349 | ret |
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350 | .ide2_appl_data: |
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351 | mov [cache_ide2_appl_search_start], edi |
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352 | ret |
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353 | .ide3: |
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354 | cmp [cd_appl_data], 0 |
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355 | jne .ide3_appl_data |
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356 | mov [cache_ide3_search_start], edi |
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357 | ret |
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358 | .ide3_appl_data: |
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359 | mov [cache_ide3_appl_search_start], edi |
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360 | ret |
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361 | ;-------------------------------------------------------------------- |
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362 | ;align 4 |
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363 | ;calculate_linear_to_real: |
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364 | ; shr eax, 12 |
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365 | ; mov eax, [page_tabs+eax*4] |
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366 | ; and eax, 0xFFFFF000 |
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367 | ; ret |