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