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Rev | Author | Line No. | Line |
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164 | serge | 1 | |
2 | |||
3 | |||
4 | proc mem_test |
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5 | mov eax, cr0 |
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6 | or eax, (CR0_CD+CR0_NW);disable caching |
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168 | serge | 7 | mov cr0, eax |
164 | serge | 8 | wbinvd ;invalidate cache |
168 | serge | 9 | |
164 | serge | 10 | |
11 | mov ebx, 'TEST' |
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12 | @@: |
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13 | add edi, 0x400000 |
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14 | xchg ebx, dword [edi] |
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15 | cmp dword [edi], 'TEST' |
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16 | xchg ebx, dword [edi] |
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17 | je @b |
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18 | |||
19 | |||
168 | serge | 20 | mov cr0, eax |
164 | serge | 21 | mov eax, edi |
22 | ret |
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23 | endp |
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24 | |||
25 | |||
26 | proc init_memEx |
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27 | xor eax, eax |
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28 | mov edi, sys_pgdir |
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29 | mov ecx, 2048 |
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30 | rep stosd |
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31 | |||
32 | |||
33 | jnc .no_PSE |
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34 | |||
35 | |||
36 | or ebx, CR4_PSE |
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37 | mov eax, PG_LARGE+PG_SW |
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38 | bt [cpu_caps], CAPS_PGE |
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39 | jnc @F |
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40 | or eax, PG_GLOBAL |
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41 | or ebx, CR4_PGE |
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42 | |||
168 | serge | 43 | |
164 | serge | 44 | mov cr4, ebx |
168 | serge | 45 | |
46 | |||
164 | serge | 47 | add eax, 0x00400000 |
48 | mov dword [sys_pgdir+4], eax |
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49 | add eax, 0x00400000 |
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50 | mov dword [sys_pgdir+8], eax |
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51 | add eax, 0x00400000 |
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52 | mov dword [sys_pgdir+12], eax |
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53 | |||
54 | |||
55 | mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW |
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56 | |||
57 | |||
58 | sub ecx, 4 |
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59 | mov eax, tmp_page_tab+PG_SW |
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60 | mov edi, sys_pgdir+16 |
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61 | mov esi, sys_master_tab+16 |
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62 | |||
63 | |||
64 | .no_PSE: |
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65 | mov eax, PG_SW |
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66 | mov esi, tmp_page_tab |
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67 | mov ecx, 4096/4 ;0x0 - 0x00FFFFFF |
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68 | .map_low: |
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69 | mov [esi], eax |
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70 | add eax, 0x1000 |
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71 | mov [esi+4], eax |
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72 | add eax, 0x1000 |
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73 | mov [esi+8], eax |
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74 | add eax, 0x1000 |
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75 | mov [esi+12], eax |
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76 | add eax, 0x1000 |
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77 | add esi, 16 |
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78 | dec ecx |
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79 | jnz .map_low ;ядро |
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80 | |||
81 | |||
82 | mov eax, tmp_page_tab+PG_SW |
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83 | mov edi, sys_pgdir |
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84 | mov esi, sys_master_tab |
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85 | |||
86 | |||
87 | |||
88 | |||
89 | mov [esi], eax |
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90 | add eax, 0x1000 |
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91 | add edi, 4 |
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92 | add esi, 4 |
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93 | dec ecx |
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94 | jnz .map_kernel_tabs |
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95 | |||
96 | |||
97 | bt [cpu_caps], CAPS_PSE |
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98 | jc @F |
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99 | add edi, 4096*4 ;skip low kernel memory |
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100 | @@: |
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101 | mov ecx, [pg_data.kernel_tables] |
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102 | sub ecx, 4 |
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103 | shl ecx, 10 |
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104 | xor eax, eax |
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105 | cld |
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106 | rep stosd |
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107 | |||
108 | |||
109 | mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW |
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110 | ret |
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111 | endp |
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112 | |||
113 | |||
114 | proc init_page_map |
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115 | mov edi, sys_pgmap |
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116 | mov ecx, 512/4 |
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117 | xor eax,eax |
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118 | cld |
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119 | rep stosd |
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120 | |||
121 | |||
122 | mov ecx, [pg_data.pagemap_size] |
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123 | sub ecx, 512 |
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124 | shr ecx, 2 |
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125 | rep stosd |
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126 | |||
127 | |||
128 | mov edx, [pg_data.pages_count] |
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129 | mov ecx, [pg_data.kernel_tables] |
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130 | bt [cpu_caps], CAPS_PSE |
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131 | jnc @f |
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132 | sub ecx, 4 |
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133 | @@: |
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134 | sub edx, 4096 |
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135 | sub edx, ecx |
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136 | mov [pg_data.pages_free], edx |
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137 | |||
138 | |||
139 | mov ebx, ecx |
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140 | shr ecx, 5 |
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141 | rep stosd |
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142 | |||
143 | |||
144 | mov ecx, ebx |
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145 | and ecx, 31 |
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146 | shl eax, cl |
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147 | stosd |
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148 | |||
149 | |||
150 | mov ebx, sys_pgmap |
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151 | add ebx, [pg_data.pagemap_size] |
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152 | mov [page_end], ebx |
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153 | |||
154 | |||
155 | |||
156 | |||
157 | endp |
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158 | |||
159 | |||
160 | proc alloc_page |
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161 | |||
162 | |||
163 | cli |
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164 | mov ebx, [page_start] |
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165 | mov ecx, [page_end] |
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166 | .l1: |
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167 | bsf eax,[ebx]; |
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168 | jnz .found |
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169 | add ebx,4 |
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170 | cmp ebx, ecx |
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171 | jb .l1 |
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172 | popfd |
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173 | xor eax,eax |
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174 | ret |
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175 | .found: |
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176 | btr [ebx], eax |
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177 | mov [page_start],ebx |
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178 | sub ebx, sys_pgmap |
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179 | shl ebx, 3 |
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180 | add eax,ebx |
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181 | shl eax, 12 |
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182 | dec [pg_data.pages_free] |
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183 | popfd |
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184 | ret |
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185 | endp |
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186 | |||
187 | |||
188 | proc alloc_pages stdcall, count:dword |
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189 | pushfd |
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190 | cli |
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191 | mov eax, [count] |
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192 | add eax, 7 |
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193 | shr eax, 3 |
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194 | mov [count], eax |
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195 | cmp eax, [pg_data.pages_free] |
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196 | ja .fail |
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197 | |||
198 | |||
199 | mov ebx, [page_end] |
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200 | .find: |
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201 | mov edx, [count] |
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202 | mov edi, ecx |
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203 | |||
204 | |||
205 | cmp byte [ecx], 0xFF |
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206 | jne .next |
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207 | dec edx |
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208 | jz .ok |
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209 | inc ecx |
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210 | cmp ecx,ebx |
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211 | jb .match |
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212 | .fail: xor eax, eax |
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213 | popfd |
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214 | ret |
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215 | .next: |
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216 | inc ecx |
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217 | cmp ecx, ebx |
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218 | jb .find |
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219 | popfd |
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220 | xor eax, eax |
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221 | ret |
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222 | .ok: |
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223 | sub ecx, edi |
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224 | inc ecx |
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225 | mov esi, edi |
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226 | xor eax, eax |
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227 | rep stosb |
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228 | sub esi, sys_pgmap |
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229 | shl esi, 3+12 |
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230 | mov eax, esi |
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231 | mov ebx, [count] |
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232 | shl ebx, 3 |
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233 | sub [pg_data.pages_free], ebx |
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234 | popfd |
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235 | ret |
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236 | endp |
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237 | |||
238 | |||
239 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
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240 | mov eax, [phis_addr] |
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241 | and eax, not 0xFFF |
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242 | or eax, [flags] |
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243 | mov ebx, [lin_addr] |
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244 | shr ebx, 12 |
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245 | mov [pages_tab+ebx*4], eax |
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246 | mov eax, [lin_addr] |
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247 | invlpg [eax] |
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248 | ret |
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249 | endp |
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250 | |||
251 | |||
252 | proc free_page |
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253 | ;arg: eax page address |
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254 | pushfd |
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255 | cli |
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256 | inc [pg_data.pages_free] |
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257 | shr eax, 12 ;page index |
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258 | mov ebx, sys_pgmap |
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259 | bts [ebx], eax ;that's all! |
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260 | shr eax, 3 |
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261 | and eax, not 3 ;dword offset from page_map |
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262 | add eax, ebx |
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263 | cmp [page_start], eax |
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264 | ja @f |
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265 | popfd |
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266 | ret |
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267 | @@: |
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268 | mov [page_start], eax |
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269 | popfd |
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270 | ret |
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271 | endp |
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272 | |||
273 | |||
274 | proc map_page_table stdcall,page_dir:dword, lin_addr:dword, phis_addr:dword |
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275 | mov ebx, [lin_addr] |
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276 | shr ebx, 22 |
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277 | mov eax, [phis_addr] |
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278 | and eax, not 0xFFF |
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279 | or eax, PG_UW ;+PG_NOCACHE |
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280 | mov ecx, [page_dir] |
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281 | mov dword [ecx+ebx*4], eax |
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282 | mov dword [master_tab+ebx*4], eax |
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283 | mov eax, [lin_addr] |
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284 | shr eax, 10 |
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285 | add eax, pages_tab |
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286 | invlpg [eax] |
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287 | ret |
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288 | endp |
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289 | |||
290 | |||
291 | proc init_LFB |
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292 | |||
293 | |||
294 | jne @f |
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295 | |||
296 | |||
297 | mov [LFBAddress], eax |
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298 | ret |
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299 | @@: |
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300 | test [SCR_MODE],word 0100000000000000b |
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301 | jz @f |
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302 | call map_LFB |
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303 | @@: |
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304 | ret |
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305 | endp |
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306 | |||
307 | |||
308 | proc map_LFB |
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309 | locals |
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310 | pg_count dd ? |
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311 | endl |
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312 | |||
313 | |||
314 | mov esi, [LFBAddress] |
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315 | shr edi, 12 |
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316 | mov [pg_count], edi |
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317 | shr edi, 10 |
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318 | |||
319 | |||
320 | jnc .map_page_tables |
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321 | mov ebx, esi |
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322 | or esi, PG_LARGE+PG_UW |
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323 | shr ebx, 20 |
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324 | mov ecx, ebx |
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325 | @@: |
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326 | mov [sys_pgdir+ebx], esi |
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327 | add ebx, 4 |
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328 | add esi, 0x00400000 |
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329 | dec edi |
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330 | jnz @B |
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331 | |||
332 | |||
333 | mov eax, cr3 ;flush TLB |
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334 | mov cr3, eax |
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335 | ret |
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336 | |||
337 | |||
338 | |||
339 | |||
340 | call alloc_page |
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341 | stdcall map_page_table,sys_pgdir, esi, eax |
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342 | add esi, 0x00400000 |
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343 | dec edi |
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344 | jnz @B |
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345 | |||
346 | |||
347 | mov esi, eax |
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348 | shr esi, 10 |
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349 | add esi, pages_tab |
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350 | or eax, PG_UW |
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351 | mov ecx, [pg_count] |
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352 | shr ecx, 2 |
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353 | .map: |
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354 | mov [esi], eax |
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355 | add eax, 0x1000 |
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356 | mov [esi+4], eax |
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357 | add eax, 0x1000 |
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358 | mov [esi+8], eax |
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359 | add eax, 0x1000 |
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360 | mov [esi+12], eax |
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361 | add eax, 0x1000 |
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362 | add esi, 16 |
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363 | sub ecx, 1 |
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364 | jnz .map |
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365 | |||
366 | |||
367 | mov cr3, eax |
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368 | |||
369 | |||
370 | endp |
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371 | |||
372 | |||
373 | proc new_mem_resize stdcall, new_size:dword |
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374 | |||
375 | |||
376 | |||
377 | |||
378 | add edi,4095 |
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379 | and edi,not 4095 |
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380 | mov [new_size], edi |
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381 | |||
382 | |||
383 | shl edx,8 |
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384 | cmp [PROC_BASE+APPDATA.heap_base+edx],0 |
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172 | serge | 385 | jne .exit |
386 | |||
387 | |||
388 | add esi, 4095 |
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164 | serge | 389 | and esi, not 4095 |
390 | |||
391 | |||
392 | jae .expand |
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393 | |||
394 | |||
395 | shr esi, 12 |
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396 | @@: |
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397 | mov eax, [pages_tab+0x00181000+edi*4] |
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398 | test eax, 1 |
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399 | jz .next |
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400 | mov dword [pages_tab+0x00181000+edi*4], 2 |
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401 | mov ebx, edi |
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402 | shl ebx, 12 |
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403 | invlpg [ebx+std_application_base_address] |
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404 | call free_page |
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405 | |||
406 | |||
407 | cmp edi, esi |
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408 | jb @B |
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409 | |||
410 | |||
411 | |||
412 | |||
413 | mov [PROC_BASE+0x8c+edx],ebx |
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414 | |||
415 | |||
416 | ;application memory size infomation |
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417 | mov ecx,[PROC_BASE+0xb8+edx] |
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418 | mov eax,2 |
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419 | |||
420 | |||
421 | ;eax = current slot |
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422 | ;ebx = new memory size |
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423 | ;ecx = page directory |
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424 | cmp eax,[TASK_COUNT] |
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425 | jg .search_threads_end |
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426 | mov edx,eax |
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427 | shl edx,5 |
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428 | cmp word [CURRENT_TASK+edx+0xa],9 ;if slot empty? |
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429 | jz .search_threads_next |
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430 | shl edx,3 |
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431 | cmp [PROC_BASE+edx+0xb8],ecx ;if it is our thread? |
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432 | jnz .search_threads_next |
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433 | mov [PROC_BASE+edx+0x8c],ebx ;update memory size |
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434 | .search_threads_next: |
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435 | inc eax |
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436 | jmp .search_threads |
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437 | .search_threads_end: |
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438 | xor eax, eax |
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439 | dec [pg_data.pg_mutex] |
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440 | ret |
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441 | |||
442 | |||
443 | add edi, new_app_base |
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444 | add esi, new_app_base |
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445 | |||
446 | |||
447 | push edi |
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448 | |||
449 | |||
450 | and edi, not(0x3FFFFF) |
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451 | add esi, 0x3FFFFF |
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452 | and esi, not(0x3FFFFF) |
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453 | |||
454 | |||
455 | jae .grow |
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456 | |||
457 | |||
458 | |||
459 | |||
460 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW+PG_NOCACHE |
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461 | |||
462 | |||
463 | call alloc_page |
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464 | test eax, eax |
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465 | jz .exit |
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466 | |||
467 | |||
468 | |||
469 | |||
470 | shr edi, 10 |
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471 | add edi, pages_tab |
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472 | mov ecx, 1024 |
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473 | xor eax, eax |
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474 | cld |
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475 | rep stosd |
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476 | pop edi |
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477 | |||
478 | |||
479 | cmp edi, esi |
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480 | jb @B |
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481 | |||
482 | |||
483 | .grow: |
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484 | pop edi |
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485 | pop esi |
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486 | @@: |
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487 | call alloc_page |
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488 | test eax, eax |
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489 | jz .exit |
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490 | stdcall map_page,esi,eax,dword PG_UW |
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491 | |||
492 | |||
493 | mov edi, esi |
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494 | xor eax, eax |
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495 | mov ecx, 1024 |
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496 | cld |
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497 | rep stosd |
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498 | pop edi |
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499 | |||
500 | |||
501 | cmp esi, edi |
||
502 | jna @B |
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503 | |||
504 | |||
505 | .exit: |
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506 | xor eax, eax |
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507 | inc eax |
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508 | dec [pg_data.pg_mutex] |
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509 | ret |
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510 | endp |
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511 | |||
512 | |||
513 | proc get_pg_addr stdcall, lin_addr:dword |
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514 | mov ebx, [lin_addr] |
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515 | shr ebx, 12 |
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516 | mov eax, [pages_tab+ebx*4] |
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517 | and eax, 0xFFFFF000 |
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518 | ret |
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519 | endp |
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520 | |||
521 | |||
522 | proc page_fault_handler |
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523 | pushad |
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524 | |||
525 | |||
526 | mov eax, cr2 |
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527 | push eax |
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172 | serge | 528 | push ds |
164 | serge | 529 | |
530 | |||
531 | mov ds, ax |
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532 | |||
533 | |||
534 | |||
535 | |||
536 | jae .lfb_addr |
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537 | |||
538 | |||
539 | jae .user_space |
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540 | |||
541 | |||
542 | jae .tab_space |
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543 | |||
544 | |||
545 | |||
546 | |||
547 | inc [pg_data.pages_faults] |
||
548 | |||
549 | |||
550 | mov ecx, ebx |
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172 | serge | 551 | shr ecx, 10 |
552 | mov edx, [master_tab+ecx*4] |
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553 | test edx, 1 |
||
554 | jz .fail |
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555 | |||
556 | |||
164 | serge | 557 | test eax, 2 |
558 | jz .fail |
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172 | serge | 559 | |
164 | serge | 560 | |
561 | and eax, eax |
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562 | jz .exit |
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563 | |||
564 | |||
565 | |||
566 | |||
567 | and esi, 0xFFFFF000 |
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568 | mov ecx, 1024 |
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569 | xor eax, eax |
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570 | @@: |
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571 | mov [esi], eax |
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572 | add esi, 4 |
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573 | dec ecx |
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574 | jnz @B |
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575 | .exit: |
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576 | pop ds |
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577 | mov esp, ebp |
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578 | popad |
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579 | add esp, 4 |
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580 | iretd |
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581 | .fail: |
||
172 | serge | 582 | pop ds |
583 | mov esp, ebp |
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584 | popad |
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585 | add esp, 4 |
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586 | |||
164 | serge | 587 | |
172 | serge | 588 | |
589 | |||
590 | jmp exc_c |
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591 | iretd |
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592 | |||
593 | |||
164 | serge | 594 | shr ebx, 12 |
595 | mov eax, [pages_tab+ebx*4] |
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596 | shr ebx, 10 |
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597 | mov eax, [master_tab+ebx*4] |
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598 | |||
599 | |||
600 | mov esp, ebp |
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601 | popad |
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602 | add esp, 4 |
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603 | iretd |
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604 | |||
605 | |||
606 | shr ebx, 12 |
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607 | ; mov eax, [pages_tab+ebx*4] |
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608 | shr ebx, 10 |
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609 | mov eax, [master_tab+ebx*4] |
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610 | |||
611 | |||
612 | mov esp, ebp |
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613 | popad |
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614 | add esp, 4 |
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615 | iretd |
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616 | |||
617 | |||
618 | shr ebx, 22 |
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619 | ;mov ecx, [sys_page_dir] |
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620 | mov eax, [master_tab+ebx*4] |
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621 | |||
622 | |||
623 | mov esp, ebp |
||
624 | popad |
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625 | add esp, 4 |
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626 | iretd |
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627 | |||
628 | |||
629 | shr ebx, 12 |
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630 | ; mov eax, [pages_tab+ebx*4] |
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631 | shr ebx, 10 |
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632 | ;mov ecx, [sys_page_dir] |
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633 | mov eax, [master_tab+ebx*4] |
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634 | |||
635 | |||
636 | mov esp, ebp |
||
637 | popad |
||
638 | add esp, 4 |
||
639 | iretd |
||
640 | endp |
||
641 | |||
642 | |||
643 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
644 | ofs:dword,buf_size:dword |
||
645 | mov eax, [buf_size] |
||
646 | test eax, eax |
||
647 | jz .exit |
||
648 | |||
649 | |||
650 | and eax, 0xFFFFF000 |
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651 | |||
652 | |||
653 | mov ebx, [ofs] |
||
654 | shr ebx, 22 |
||
655 | mov esi, [ipc_pdir] |
||
656 | mov edi, [ipc_ptab] |
||
657 | mov eax, [esi+ebx*4] |
||
658 | and eax, 0xFFFFF000 |
||
659 | test eax, eax |
||
660 | jz .exit |
||
661 | stdcall map_page,edi,eax,dword PG_UW |
||
662 | ; inc ebx |
||
663 | ; add edi, 0x1000 |
||
664 | ; mov eax, [esi+ebx*4] |
||
665 | ; test eax, eax |
||
666 | ; jz @f |
||
667 | ; and eax, 0xFFFFF000 |
||
668 | ; stdcall map_page, edi, eax |
||
669 | |||
670 | |||
671 | and edi, 0xFFFFF000 |
||
672 | mov ecx, [buf_size] |
||
673 | add ecx, 4095 |
||
674 | shr ecx, 12 |
||
675 | inc ecx |
||
676 | |||
677 | |||
678 | shr edx, 12 |
||
679 | and edx, 0x3FF |
||
680 | mov esi, [ipc_ptab] |
||
681 | |||
682 | |||
683 | and eax, 0xFFFFF000 |
||
684 | test eax, eax |
||
685 | jz .exit |
||
686 | stdcall map_page,edi,eax,dword PG_UW |
||
687 | add edi, 0x1000 |
||
688 | inc edx |
||
689 | dec ecx |
||
690 | jnz .map |
||
691 | |||
692 | |||
693 | ret |
||
694 | endp |
||
695 | |||
696 | |||
697 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
698 | ofs:dword,buf_size:dword |
||
699 | mov eax, [buf_size] |
||
700 | test eax, eax |
||
701 | jz .exit |
||
702 | |||
703 | |||
704 | and eax, 0xFFFFF000 |
||
705 | |||
706 | |||
707 | mov ebx, [ofs] |
||
708 | shr ebx, 22 |
||
709 | mov esi, [proc_mem_pdir] |
||
710 | mov edi, [proc_mem_tab] |
||
711 | mov eax, [esi+ebx*4] |
||
712 | and eax, 0xFFFFF000 |
||
713 | test eax, eax |
||
714 | jz .exit |
||
715 | stdcall map_page,edi,eax,dword PG_UW |
||
716 | |||
717 | |||
718 | and edi, 0xFFFFF000 |
||
719 | mov ecx, [buf_size] |
||
720 | add ecx, 4095 |
||
721 | shr ecx, 12 |
||
722 | inc ecx |
||
723 | |||
724 | |||
725 | shr edx, 12 |
||
726 | and edx, 0x3FF |
||
727 | mov esi, [proc_mem_tab] |
||
728 | |||
729 | |||
730 | ; and eax, 0xFFFFF000 |
||
731 | ; test eax, eax |
||
732 | ; jz .exit |
||
733 | stdcall map_page,edi,eax,dword PG_UW |
||
734 | add edi, 0x1000 |
||
735 | inc edx |
||
736 | dec ecx |
||
737 | jnz .map |
||
738 | .exit: |
||
739 | ret |
||
740 | endp |
||
741 | |||
742 | |||
743 | |||
744 | |||
745 | |||
746 | ;input: |
||
747 | ; eax=1 - set ipc buffer area |
||
748 | ; ebx=address of buffer |
||
749 | ; ecx=size of buffer |
||
750 | ; eax=2 - send message |
||
751 | ; ebx=PID |
||
752 | ; ecx=address of message |
||
753 | ; edx=size of message |
||
754 | |||
755 | |||
756 | jne @f |
||
757 | call set_ipc_buff |
||
758 | mov [esp+36], eax |
||
759 | ret |
||
760 | |||
761 | |||
762 | cmp eax, 2 |
||
763 | jne @f |
||
764 | stdcall sys_ipc_send, ebx, ecx, edx |
||
765 | mov [esp+36], eax |
||
766 | ret |
||
767 | |||
768 | |||
769 | xor eax, eax |
||
770 | not eax |
||
771 | mov [esp+36], eax |
||
772 | ret |
||
773 | |||
774 | |||
775 | proc set_ipc_buff |
||
776 | |||
777 | |||
778 | shl eax,8 |
||
779 | add eax, PROC_BASE |
||
780 | pushf |
||
781 | cli |
||
782 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
783 | mov [eax+0xA4],ecx |
||
784 | |||
785 | |||
786 | add ecx, ebx |
||
787 | add ecx, 4095 |
||
788 | and ecx, not 4095 |
||
789 | |||
790 | |||
791 | add ebx, 0x1000 |
||
792 | cmp ebx, ecx |
||
793 | jna .touch |
||
794 | |||
795 | |||
796 | xor eax, eax |
||
797 | ret |
||
798 | endp |
||
799 | |||
800 | |||
801 | locals |
||
802 | dst_slot dd ? |
||
803 | dst_offset dd ? |
||
804 | buf_size dd ? |
||
805 | endl |
||
806 | |||
807 | |||
808 | cli |
||
809 | |||
810 | |||
811 | call pid_to_slot |
||
812 | test eax,eax |
||
813 | jz .no_pid |
||
814 | |||
815 | |||
816 | shl eax,8 |
||
817 | mov edi,[eax+PROC_BASE+0xa0] ;is ipc area defined? |
||
818 | test edi,edi |
||
819 | jz .no_ipc_area |
||
820 | |||
821 | |||
822 | add edi, new_app_base |
||
823 | and ebx, 0xFFF |
||
824 | mov [dst_offset], ebx |
||
825 | |||
826 | |||
827 | mov [buf_size], esi |
||
828 | |||
829 | |||
830 | edi, esi |
||
831 | |||
832 | |||
833 | add edi, [ipc_tmp] |
||
834 | cmp dword [edi], 0 |
||
835 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
836 | mov ebx, dword [edi+4] |
||
837 | mov edx, ebx |
||
838 | add ebx, 8 |
||
839 | add ebx, [msg_size] |
||
840 | cmp ebx, [buf_size] |
||
841 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
842 | mov dword [edi+4], ebx |
||
843 | mov eax,[TASK_BASE] |
||
844 | mov eax, [eax+0x04] ;eax - our PID |
||
845 | mov edi, [dst_offset] |
||
846 | add edi, [ipc_tmp] |
||
847 | add edi, edx |
||
848 | mov [edi], eax |
||
849 | mov ecx, [msg_size] |
||
850 | |||
851 | |||
852 | add edi, 8 |
||
853 | mov esi, [msg_addr] |
||
854 | add esi, new_app_base |
||
855 | cld |
||
856 | rep movsb |
||
857 | |||
858 | |||
859 | mov edx, ebx |
||
860 | shr ebx, 12 |
||
861 | xor eax, eax |
||
862 | mov [pages_tab+ebx*4], eax |
||
863 | invlpg [edx] |
||
864 | |||
865 | |||
866 | mov edx, ebx |
||
867 | shr ebx, 12 |
||
868 | xor eax, eax |
||
869 | mov [pages_tab+ebx*4], eax |
||
870 | invlpg [edx] |
||
871 | |||
872 | |||
873 | mov edx, ebx |
||
874 | shr ebx, 12 |
||
875 | xor eax, eax |
||
876 | mov [pages_tab+ebx*4], eax |
||
877 | invlpg [edx] |
||
878 | |||
879 | |||
880 | shl eax, 8 |
||
881 | or [eax+PROC_BASE+0xA8],dword 0x40 |
||
882 | cmp dword [check_idle_semaphore],20 |
||
883 | jge .ipc_no_cis |
||
884 | |||
885 | |||
886 | .ipc_no_cis: |
||
887 | popf |
||
888 | xor eax, eax |
||
889 | ret |
||
890 | .no_pid: |
||
891 | popf |
||
892 | mov eax, 4 |
||
893 | ret |
||
894 | .no_ipc_area: |
||
895 | popf |
||
896 | xor eax, eax |
||
897 | inc eax |
||
898 | ret |
||
899 | .ipc_blocked: |
||
900 | popf |
||
901 | mov eax, 2 |
||
902 | ret |
||
903 | .buffer_overflow: |
||
904 | popf |
||
905 | mov eax, 3 |
||
906 | ret |
||
907 | endp |
||
908 | |||
909 | |||
910 | sysfn_meminfo: |
||
170 | serge | 911 | |
164 | serge | 912 | |
170 | serge | 913 | cmp ebx, new_app_base |
172 | serge | 914 | jb .fail |
915 | |||
916 | |||
164 | serge | 917 | mov [ebx], eax |
170 | serge | 918 | shl eax, 12 |
172 | serge | 919 | mov [esp+36], eax |
920 | mov ecx, [pg_data.pages_free] |
||
170 | serge | 921 | mov [ebx+4], ecx |
922 | mov edx, [pg_data.pages_faults] |
||
923 | mov [ebx+8], edx |
||
924 | mov esi, [heap_size] |
||
925 | mov [ebx+12], esi |
||
926 | mov edi, [heap_free] |
||
927 | mov [ebx+16], edi |
||
928 | mov eax, [heap_blocks] |
||
929 | mov [ebx+20], eax |
||
930 | mov ecx, [free_blocks] |
||
931 | mov [ebx+24], ecx |
||
932 | ret |
||
164 | serge | 933 | .fail: |
172 | serge | 934 | mov dword [esp+36], -1 |
935 | ret |
||
936 | |||
164 | serge | 937 | |
938 | new_services: |
||
939 | |||
940 | |||
941 | jle sys_sheduler |
||
942 | |||
943 | |||
170 | serge | 944 | jb .fail |
164 | serge | 945 | ja @f |
946 | |||
947 | |||
948 | mov [esp+36], eax |
||
949 | ret |
||
950 | @@: |
||
951 | cmp eax, 12 |
||
952 | ja @f |
||
953 | |||
954 | |||
955 | mov [esp+36], eax |
||
956 | ret |
||
957 | @@: |
||
958 | cmp eax, 13 |
||
959 | ja @f |
||
960 | |||
961 | |||
962 | mov [esp+36], eax |
||
963 | ret |
||
964 | @@: |
||
965 | cmp eax, 14 |
||
966 | ja @f |
||
967 | add ebx,new_app_base |
||
968 | cmp ebx, new_app_base |
||
172 | serge | 969 | jb .fail |
970 | stdcall get_notify, ebx |
||
164 | serge | 971 | ret |
972 | @@: |
||
973 | cmp eax, 15 |
||
974 | ja @f |
||
975 | mov ecx, [CURRENT_TASK] |
||
976 | shl ecx, 8 |
||
977 | mov eax, [ecx+PROC_BASE+APPDATA.fpu_handler] |
||
978 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], ebx |
||
979 | mov [esp+36], eax |
||
980 | ret |
||
981 | @@: |
||
982 | cmp eax, 16 |
||
983 | ja @f |
||
984 | |||
985 | |||
986 | cmp ebx, new_app_base |
||
172 | serge | 987 | jb .fail |
988 | stdcall get_service, ebx |
||
164 | serge | 989 | mov [esp+36], eax |
990 | ret |
||
991 | @@: |
||
992 | cmp eax, 17 |
||
993 | ja @f |
||
994 | stdcall srv_handlerEx, ebx |
||
995 | mov [esp+36], eax |
||
996 | ret |
||
997 | @@: |
||
168 | serge | 998 | cmp eax, 18 |
999 | ja @f |
||
1000 | mov ecx, [CURRENT_TASK] |
||
1001 | shl ecx, 8 |
||
1002 | mov eax, [ecx+PROC_BASE+APPDATA.sse_handler] |
||
1003 | mov [ecx+PROC_BASE+APPDATA.sse_handler], ebx |
||
1004 | mov [esp+36], eax |
||
1005 | ret |
||
1006 | |||
164 | serge | 1007 | |
1008 | .fail: |
||
1009 | xor eax, eax |
||
1010 | mov [esp+36], eax |
||
1011 | ret |
||
1012 | |||
1013 | |||
1014 | |||
1015 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1016 | |||
1017 | |||
1018 | jecxz .end |
||
1019 | |||
1020 | |||
1021 | |||
1022 | |||
1023 | mov esi,edi |
||
1024 | xor eax,eax |
||
1025 | repne scasb |
||
1026 | neg ecx ; cx = count - strlen |
||
1027 | add ecx,ebx ; strlen + count - strlen |
||
1028 | |||
1029 | |||
1030 | mov edi,esi |
||
1031 | mov esi,[str2] |
||
1032 | repe cmpsb |
||
1033 | mov al,[esi-1] |
||
1034 | xor ecx,ecx |
||
1035 | |||
1036 | |||
1037 | ja .str2_big |
||
1038 | je .end |
||
1039 | |||
1040 | |||
1041 | sub ecx,2 |
||
1042 | |||
1043 | |||
1044 | not ecx |
||
1045 | .end: |
||
1046 | mov eax,ecx |
||
1047 | ret |
||
1048 | endp |
||
1049 | |||
1050 | |||
1051 | proc fpu_save |
||
1052 | clts |
||
1053 | mov ebx, [fpu_owner] |
||
1054 | shl ebx, 8 |
||
1055 | mov eax, [ebx+PROC_BASE+0x10] |
||
1056 | mov ebx, [CURRENT_TASK] |
||
1057 | mov [fpu_owner], ebx |
||
1058 | |||
1059 | |||
1060 | jnc .no_SSE |
||
1061 | |||
1062 | |||
1063 | ret |
||
1064 | .no_SSE: |
||
1065 | fnsave [eax] |
||
1066 | ret |
||
1067 | endp |
||
1068 | |||
1069 | |||
1070 | proc fpu_restore |
||
1071 | mov ebx, [CURRENT_TASK] |
||
1072 | shl ebx, 8 |
||
1073 | mov eax, [ebx+PROC_BASE+0x10] |
||
1074 | bt [cpu_caps], CAPS_FXSR |
||
1075 | jnc .no_SSE |
||
1076 | |||
1077 | |||
1078 | ret |
||
1079 | .no_SSE: |
||
1080 | frstor [eax] |
||
1081 | ret |
||
1082 | endp |
||
1083 | |||
1084 | |||
1085 | proc test_cpu |
||
1086 | locals |
||
1087 | cpu_type dd ? |
||
166 | serge | 1088 | cpu_id dd ? |
1089 | cpu_Intel dd ? |
||
1090 | cpu_AMD dd ? |
||
1091 | endl |
||
164 | serge | 1092 | |
1093 | |||
1094 | |||
1095 | |||
1096 | pop eax |
||
1097 | mov ecx, eax |
||
1098 | xor eax, 0x40000 |
||
1099 | push eax |
||
1100 | popfd |
||
1101 | pushfd |
||
1102 | pop eax |
||
1103 | xor eax, ecx |
||
1104 | mov [cpu_type], CPU_386 |
||
1105 | jz .end_cpu |
||
1106 | push ecx |
||
1107 | popfd |
||
1108 | |||
1109 | |||
1110 | mov eax, ecx |
||
1111 | xor eax, 0x200000 |
||
1112 | push eax |
||
1113 | popfd |
||
1114 | pushfd |
||
1115 | pop eax |
||
1116 | xor eax, ecx |
||
1117 | je .end_cpu |
||
1118 | mov [cpu_id], 1 |
||
1119 | |||
1120 | |||
1121 | cpuid |
||
1122 | mov [cpu_vendor], ebx |
||
1123 | mov [cpu_vendor+4], edx |
||
1124 | mov [cpu_vendor+8], ecx |
||
1125 | cmp ebx, dword [intel_str] |
||
1126 | jne .check_AMD |
||
1127 | cmp edx, dword [intel_str+4] |
||
1128 | jne .check_AMD |
||
1129 | cmp ecx, dword [intel_str+8] |
||
1130 | jne .check_AMD |
||
1131 | mov [cpu_Intel], 1 |
||
1132 | cmp eax, 1 |
||
1133 | jl .end_cpuid |
||
1134 | mov eax, 1 |
||
1135 | cpuid |
||
1136 | mov [cpu_sign], eax |
||
1137 | mov [cpu_info], ebx |
||
1138 | mov [cpu_caps], edx |
||
1139 | mov [cpu_caps+4],ecx |
||
1140 | |||
1141 | |||
1142 | and eax, 0x0f |
||
1143 | mov [cpu_type], eax |
||
1144 | ret |
||
1145 | |||
1146 | |||
1147 | mov eax, [cpu_type] |
||
1148 | ret |
||
1149 | |||
1150 | |||
1151 | cmp ebx, dword [AMD_str] |
||
1152 | jne .end_cpu |
||
1153 | cmp edx, dword [AMD_str+4] |
||
1154 | jne .end_cpu |
||
1155 | cmp ecx, dword [AMD_str+8] |
||
1156 | jne .end_cpu |
||
1157 | mov [cpu_AMD], 1 |
||
1158 | cmp eax, 1 |
||
1159 | jl .end_cpuid |
||
1160 | mov eax, 1 |
||
1161 | cpuid |
||
1162 | mov [cpu_sign], eax |
||
1163 | mov [cpu_info], ebx |
||
1164 | mov [cpu_caps], edx |
||
1165 | mov [cpu_caps+4],ecx |
||
1166 | shr eax, 8 |
||
1167 | and eax, 0x0f |
||
1168 | mov [cpu_type], eax |
||
1169 | .end_cpu: |
||
1170 | mov eax, [cpu_type] |
||
1171 | ret |
||
1172 | endp |
||
1173 | |||
1174 | |||
1175 | MEM_WC equ 1 ;write combined memory |
||
1176 | MEM_UC equ 0 ;uncached memory |
||
1177 | |||
1178 | |||
1179 | proc init_mtrr |
||
1180 | |||
1181 | |||
1182 | je .exit |
||
1183 | |||
1184 | |||
1185 | or eax, 0x60000000 ;disable caching |
||
1186 | mov cr0, eax |
||
1187 | wbinvd ;invalidate cache |
||
1188 | |||
1189 | |||
1190 | rdmsr ; |
||
1191 | push eax |
||
1192 | |||
1193 | |||
1194 | xor eax, eax |
||
1195 | mov ecx, 0x2FF |
||
1196 | wrmsr ;disable all MTRR |
||
1197 | |||
1198 | |||
1199 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1200 | xor edx, edx |
||
1201 | xor eax, eax |
||
1202 | mov ecx, 0x204 |
||
1203 | mov ebx, 6 |
||
1204 | @@: |
||
1205 | wrmsr ;disable unused MTRR |
||
1206 | inc ecx |
||
1207 | wrmsr |
||
1208 | inc ecx |
||
1209 | dec ebx |
||
1210 | jnz @b |
||
1211 | |||
1212 | |||
1213 | |||
1214 | |||
1215 | or eax, 0x800 ;set default memtype to UC |
||
1216 | and al, 0xF0 |
||
1217 | mov ecx, 0x2FF |
||
1218 | wrmsr ;and enable MTRR |
||
1219 | |||
1220 | |||
1221 | and eax, not 0x60000000 |
||
1222 | mov cr0, eax ; enable caching |
||
1223 | .exit: |
||
1224 | ret |
||
1225 | endp |
||
1226 | |||
1227 | |||
1228 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1229 | |||
1230 | |||
1231 | mov eax, [base] |
||
1232 | or eax, [mem_type] |
||
1233 | mov ecx, [reg] |
||
1234 | lea ecx, [0x200+ecx*2] |
||
1235 | wrmsr |
||
1236 | |||
1237 | |||
1238 | dec ebx |
||
1239 | mov eax, 0xFFFFFFFF |
||
1240 | mov edx, 0x0000000F |
||
1241 | sub eax, ebx |
||
1242 | sbb edx, 0 |
||
1243 | or eax, 0x800 |
||
1244 | inc ecx |
||
1245 | wrmsr |
||
1246 | ret |
||
1247 | endp |
||
1248 | |||
1249 | |||
172 | serge | 1250 | proc stall stdcall, delay:dword |
1251 | push ecx |
||
1252 | push edx |
||
1253 | push ebx |
||
1254 | push eax |
||
1255 | |||
1256 | |||
1257 | mul [stall_mcs] |
||
1258 | mov ebx, eax ;low |
||
1259 | mov ecx, edx ;high |
||
1260 | rdtsc |
||
1261 | add ebx, eax |
||
1262 | adc ecx,edx |
||
1263 | @@: |
||
1264 | rdtsc |
||
1265 | sub eax, ebx |
||
1266 | sbb edx, ecx |
||
1267 | jb @B |
||
1268 | |||
1269 | |||
1270 | pop ebx |
||
1271 | pop edx |
||
1272 | pop ecx |
||
1273 | ret |
||
1274 | endp |
||
1275 | |||
1276 | |||
164 | serge | 1277 | align 4 |
1278 | intel_str db "GenuineIntel",0 |
||
1279 | AMD_str db "AuthenticAMD",0 |
||
1280 | endg |
||
1281 | |||
1282 | |||
1283 | align 16 |
||
1284 | irq_tab rd 16 |
||
1285 | |||
1286 | |||
1287 | |||
1288 | |||
1289 | |||
1290 | ipc_pdir rd 1 |
||
1291 | ipc_ptab rd 1 |
||
1292 | |||
1293 | |||
1294 | proc_mem_pdir rd 1 |
||
1295 | proc_mem_tab rd 1 |
||
1296 | |||
1297 | |||
1298 | tmp_task_ptab rd 1 |
||
1299 | tmp_task_data rd 1 |
||
1300 | |||
1301 | |||
1302 | |||
1303 | |||
1304 | fdd_buff rd 1 |
||
1305 | |||
1306 | |||
172 | serge | 1307 | ;;CPUID information |
164 | serge | 1308 | |
1309 | |||
1310 | cpu_sign rd 1 |
||
1311 | cpu_info rd 1 |
||
1312 | |||
1313 | |||
1314 | |||
1315 | |||
1316 | align 16 |
||
1317 | dll_tab rb 32*32 |
||
1318 | srv_tab rb 32*32 |
||
1319 | dll_map rd 1 |
||
1320 | srv_map rd 1 |
||
1321 | |||
1322 | |||
1323 | mem_block_list rd 64 |
||
1324 | mem_block_map rb 512 |
||
1325 | mem_block_arr rd 1 |
||
1326 | mem_block_start rd 1 |
||
1327 | mem_block_end rd 1 |
||
1328 | mem_block_mask rd 2 |
||
1329 | heap_size rd 1 |
||
170 | serge | 1330 | heap_free rd 1 |
1331 | heap_blocks rd 1 |
||
1332 | free_blocks rd 1 |
||
1333 | |||
164 | serge | 1334 | |
1335 | page_end rd 1 |
||
1336 | sys_page_map rd 1 |
||
1337 | ; app_load rd 1 |
||
170 | serge | 1338 | endg |
164 | serge | 1339 | |
1340 | |||
1341 | |||
1342 | ; push edx |
||
1343 | ; mov edx, 0x400 ;bocsh |
||
1344 | ; mov al,0xff ;bocsh |
||
1345 | ; out dx, al ;bocsh |
||
1346 | ; pop edx |
||
1347 | ; pop eax0>> |
||
1348 |