Rev 328 | Rev 357 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
164 | serge | 1 | |
212 | serge | 2 | |
164 | serge | 3 | |
4 | proc mem_test |
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5 | |||
214 | serge | 6 | |
164 | serge | 7 | and eax, not (CR0_CD+CR0_NW) |
212 | serge | 8 | or eax, CR0_CD ;disable caching |
214 | serge | 9 | mov cr0, eax |
164 | serge | 10 | wbinvd ;invalidate cache |
214 | serge | 11 | |
164 | serge | 12 | |
214 | serge | 13 | mov ebx, 'TEST' |
164 | serge | 14 | @@: |
15 | add edi, 0x400000 |
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16 | xchg ebx, dword [edi] |
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17 | cmp dword [edi], 'TEST' |
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18 | xchg ebx, dword [edi] |
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19 | je @b |
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20 | |||
21 | |||
212 | serge | 22 | mov cr0, eax |
164 | serge | 23 | mov eax, edi |
24 | mov [LFBSize], 0x00800000 |
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214 | serge | 25 | ret |
164 | serge | 26 | endp |
27 | |||
28 | |||
29 | proc init_memEx |
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30 | xor eax, eax |
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31 | mov edi, sys_pgdir |
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32 | mov ecx, 2048 |
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33 | rep stosd |
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34 | |||
35 | |||
36 | jnc .no_PSE |
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37 | |||
38 | |||
39 | or ebx, CR4_PSE |
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40 | mov eax, PG_LARGE+PG_SW |
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41 | bt [cpu_caps], CAPS_PGE |
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42 | jnc @F |
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43 | or eax, PG_GLOBAL |
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44 | or ebx, CR4_PGE |
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45 | @@: |
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46 | mov cr4, ebx |
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168 | serge | 47 | |
48 | |||
164 | serge | 49 | add eax, 0x00400000 |
50 | mov dword [sys_pgdir+4], eax |
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51 | add eax, 0x00400000 |
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52 | mov dword [sys_pgdir+8], eax |
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53 | |||
54 | |||
188 | serge | 55 | |
164 | serge | 56 | |
57 | sub ecx, 3 ;4 |
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212 | serge | 58 | mov eax, tmp_page_tab+PG_SW |
164 | serge | 59 | mov edi, sys_pgdir+12 ;16 |
212 | serge | 60 | |
164 | serge | 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, 3072/4; 4096/4 ;0x0 - 0x00FFFFFF |
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212 | serge | 66 | .map_low: |
164 | serge | 67 | mov [esi], eax |
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, 3072*4 ;4096*4 ;skip low kernel memory |
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212 | serge | 95 | @@: |
164 | serge | 96 | mov ecx, [pg_data.kernel_tables] |
97 | sub ecx, 3 |
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212 | serge | 98 | shl ecx, 10 |
164 | serge | 99 | xor eax, eax |
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, 384/4 |
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212 | serge | 112 | xor eax,eax |
164 | serge | 113 | cld |
114 | rep stosd |
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115 | |||
116 | |||
117 | mov ecx, [pg_data.pagemap_size] |
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118 | sub ecx, 384 |
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212 | serge | 119 | shr ecx, 2 |
164 | serge | 120 | rep stosd |
121 | |||
122 | |||
212 | serge | 123 | mov edx, [pg_data.pages_count] |
164 | serge | 124 | mov ecx, [pg_data.kernel_tables] |
125 | bt [cpu_caps], CAPS_PSE |
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126 | jnc @f |
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127 | sub ecx, 3 |
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212 | serge | 128 | @@: |
164 | serge | 129 | sub edx, 3072 |
212 | serge | 130 | sub edx, ecx |
164 | serge | 131 | mov [pg_data.pages_free], edx |
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 | |||
212 | serge | 145 | mov ebx, sys_pgmap |
164 | serge | 146 | add ebx, [pg_data.pagemap_size] |
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 | lea eax, [eax+ebx*8] |
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254 | serge | 175 | shl eax, 12 |
164 | serge | 176 | dec [pg_data.pages_free] |
177 | popfd |
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178 | ret |
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179 | endp |
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180 | |||
181 | |||
182 | proc alloc_pages stdcall, count:dword |
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183 | pushfd |
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184 | cli |
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185 | mov eax, [count] |
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186 | add eax, 7 |
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187 | shr eax, 3 |
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188 | mov [count], eax |
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189 | cmp eax, [pg_data.pages_free] |
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190 | ja .fail |
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191 | |||
192 | |||
193 | mov ebx, [page_end] |
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194 | .find: |
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195 | mov edx, [count] |
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196 | mov edi, ecx |
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197 | .match: |
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198 | cmp byte [ecx], 0xFF |
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199 | jne .next |
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200 | dec edx |
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201 | jz .ok |
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202 | inc ecx |
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203 | cmp ecx,ebx |
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204 | jb .match |
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205 | .fail: xor eax, eax |
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206 | popfd |
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207 | ret |
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208 | .next: |
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209 | inc ecx |
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210 | cmp ecx, ebx |
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211 | jb .find |
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212 | popfd |
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213 | xor eax, eax |
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214 | ret |
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215 | .ok: |
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216 | sub ecx, edi |
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217 | inc ecx |
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218 | mov esi, edi |
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219 | xor eax, eax |
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220 | rep stosb |
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221 | sub esi, sys_pgmap |
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222 | shl esi, 3+12 |
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223 | mov eax, esi |
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224 | mov ebx, [count] |
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225 | shl ebx, 3 |
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226 | sub [pg_data.pages_free], ebx |
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227 | popfd |
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228 | ret |
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229 | endp |
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230 | |||
231 | |||
232 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
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233 | push ebx |
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321 | diamond | 234 | mov eax, [phis_addr] |
164 | serge | 235 | and eax, not 0xFFF |
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 | pop ebx |
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321 | diamond | 243 | ret |
164 | serge | 244 | endp |
245 | |||
246 | |||
247 | map_space: ;not implemented |
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281 | serge | 248 | |
249 | |||
250 | |||
251 | |||
252 | |||
253 | |||
254 | proc free_page |
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164 | serge | 255 | ;arg: eax page address |
256 | pushfd |
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257 | cli |
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258 | shr eax, 12 ;page index |
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259 | mov ebx, sys_pgmap |
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260 | bts [ebx], eax ;that's all! |
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261 | cmc |
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291 | serge | 262 | adc [pg_data.pages_free], 0 |
328 | serge | 263 | shr eax, 3 |
164 | serge | 264 | and eax, not 3 ;dword offset from page_map |
265 | add eax, ebx |
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266 | cmp [page_start], eax |
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267 | ja @f |
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268 | popfd |
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269 | ret |
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270 | @@: |
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271 | mov [page_start], eax |
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272 | popfd |
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273 | ret |
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274 | endp |
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275 | |||
276 | |||
279 | serge | 277 | ; eax= page base + page flags |
328 | serge | 278 | ; ebx= liear address |
281 | serge | 279 | ; ecx= count |
280 | |||
281 | |||
282 | commit_pages: |
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328 | serge | 283 | |
281 | serge | 284 | |
328 | serge | 285 | jz .fail |
286 | |||
281 | serge | 287 | |
328 | serge | 288 | mov ebx, pg_data.pg_mutex |
289 | call wait_mutex ;ebx |
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290 | |||
291 | |||
292 | mov ebx, edi |
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293 | shr ebx, 12 |
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294 | @@: |
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295 | mov [pages_tab+ebx*4], eax |
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296 | invlpg [edi] |
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297 | add edi, edx |
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298 | add eax, edx |
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299 | inc ebx |
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300 | dec ecx |
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301 | jnz @B |
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302 | mov [pg_data.pg_mutex],ecx |
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303 | .fail: |
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304 | ret |
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281 | serge | 305 | |
306 | |||
328 | serge | 307 | |
281 | serge | 308 | ; eax= base |
279 | serge | 309 | ; ecx= count |
281 | serge | 310 | |
279 | serge | 311 | |
164 | serge | 312 | release_pages: |
279 | serge | 313 | |
321 | diamond | 314 | |
315 | mov ebx, pg_data.pg_mutex |
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279 | serge | 316 | call wait_mutex ;ebx |
317 | |||
318 | |||
319 | mov edi, eax |
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320 | |||
321 | |||
322 | add esi, pages_tab |
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323 | |||
328 | serge | 324 | |
325 | mov ebx, [page_start] |
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279 | serge | 326 | mov edx, sys_pgmap |
327 | @@: |
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328 | xor eax, eax |
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329 | xchg eax, [esi] |
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330 | invlpg [edi] |
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331 | |||
332 | |||
333 | jz .next |
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334 | |||
335 | |||
336 | bts [edx], eax |
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337 | cmc |
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291 | serge | 338 | adc ebp, 0 |
328 | serge | 339 | shr eax, 3 |
279 | serge | 340 | and eax, -4 |
341 | add eax, edx |
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342 | cmp eax, ebx |
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343 | jae .next |
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344 | |||
345 | |||
346 | .next: |
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347 | add edi, 0x1000 |
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348 | add esi, 4 |
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349 | dec ecx |
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350 | jnz @B |
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351 | mov [pg_data.pages_free], ebp |
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328 | serge | 352 | and [pg_data.pg_mutex],0 |
279 | serge | 353 | popad |
321 | diamond | 354 | ret |
279 | serge | 355 | |
356 | |||
357 | proc map_page_table stdcall, lin_addr:dword, phis_addr:dword |
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188 | serge | 358 | push ebx |
321 | diamond | 359 | mov ebx, [lin_addr] |
164 | serge | 360 | shr ebx, 22 |
361 | mov eax, [phis_addr] |
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362 | and eax, not 0xFFF |
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363 | or eax, PG_UW ;+PG_NOCACHE |
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364 | mov dword [current_pgdir+ebx*4], eax |
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188 | serge | 365 | mov eax, [lin_addr] |
164 | serge | 366 | shr eax, 10 |
367 | add eax, pages_tab |
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368 | invlpg [eax] |
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369 | pop ebx |
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321 | diamond | 370 | ret |
164 | serge | 371 | endp |
372 | |||
373 | |||
374 | proc init_LFB |
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375 | cmp dword [LFBAddress], -1 |
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376 | jne @f |
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377 | mov [0x2f0000+0x901c],byte 2 |
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201 | serge | 378 | stdcall kernel_alloc, 0x280000 |
164 | serge | 379 | mov [LFBAddress], eax |
380 | ret |
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381 | @@: |
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382 | test [SCR_MODE],word 0100000000000000b |
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383 | jnz @f |
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211 | serge | 384 | mov [0x2f0000+0x901c],byte 2 |
385 | ret |
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386 | @@: |
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387 | call map_LFB |
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164 | serge | 388 | ret |
389 | endp |
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390 | |||
391 | |||
392 | proc map_LFB |
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393 | locals |
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394 | pg_count dd ? |
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395 | endl |
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396 | |||
397 | |||
398 | mov esi, [LFBAddress] |
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399 | mov dword [exp_lfb+4], esi |
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214 | serge | 400 | |
401 | |||
164 | serge | 402 | mov [pg_count], edi |
403 | shr edi, 10 |
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404 | |||
405 | |||
406 | jnc .map_page_tables |
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407 | mov ebx, esi |
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408 | or esi, PG_LARGE+PG_UW |
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409 | shr ebx, 20 |
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410 | mov ecx, ebx |
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411 | @@: |
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412 | mov [sys_pgdir+ebx], esi |
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413 | add ebx, 4 |
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414 | add esi, 0x00400000 |
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415 | dec edi |
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416 | jnz @B |
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417 | |||
418 | |||
207 | serge | 419 | jnc @F |
420 | or dword [sys_pgdir+ecx], PG_GLOBAL |
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164 | serge | 421 | @@: |
207 | serge | 422 | mov eax, cr3 ;flush TLB |
164 | serge | 423 | mov cr3, eax |
424 | ret |
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425 | |||
426 | |||
427 | |||
428 | |||
429 | call alloc_page |
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430 | stdcall map_page_table, esi, eax |
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188 | serge | 431 | add esi, 0x00400000 |
164 | serge | 432 | dec edi |
433 | jnz @B |
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434 | |||
435 | |||
436 | mov esi, eax |
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437 | shr esi, 10 |
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438 | add esi, pages_tab |
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439 | or eax, PG_UW |
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440 | mov ecx, [pg_count] |
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441 | shr ecx, 2 |
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442 | .map: |
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443 | mov [esi], eax |
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444 | add eax, 0x1000 |
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445 | mov [esi+4], eax |
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446 | add eax, 0x1000 |
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447 | mov [esi+8], eax |
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448 | add eax, 0x1000 |
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449 | mov [esi+12], eax |
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450 | add eax, 0x1000 |
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451 | add esi, 16 |
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452 | sub ecx, 1 |
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453 | jnz .map |
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454 | |||
455 | |||
456 | mov cr3, eax |
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457 | |||
458 | |||
459 | endp |
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460 | |||
461 | |||
462 | proc new_mem_resize stdcall, new_size:dword |
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463 | |||
464 | |||
276 | serge | 465 | call wait_mutex ;ebx |
466 | |||
164 | serge | 467 | |
468 | add edi,4095 |
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469 | and edi,not 4095 |
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470 | mov [new_size], edi |
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471 | |||
472 | |||
473 | shl edx,8 |
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474 | cmp [PROC_BASE+APPDATA.heap_base+edx],0 |
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172 | serge | 475 | jne .exit |
476 | |||
477 | |||
478 | add esi, 4095 |
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164 | serge | 479 | and esi, not 4095 |
480 | |||
481 | |||
482 | jae .expand |
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483 | |||
484 | |||
485 | shr esi, 12 |
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486 | @@: |
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487 | mov eax, [pages_tab+0x00181000+edi*4] |
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488 | test eax, 1 |
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489 | jz .next |
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490 | mov dword [pages_tab+0x00181000+edi*4], 2 |
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491 | mov ebx, edi |
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492 | shl ebx, 12 |
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493 | invlpg [ebx+std_application_base_address] |
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494 | call free_page |
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495 | |||
496 | |||
497 | cmp edi, esi |
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498 | jb @B |
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499 | |||
500 | |||
501 | mov ebx, [new_size] |
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294 | diamond | 502 | call update_mem_size |
503 | |||
164 | serge | 504 | |
505 | dec [pg_data.pg_mutex] |
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506 | ret |
||
507 | |||
508 | |||
509 | add edi, new_app_base |
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510 | add esi, new_app_base |
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511 | |||
512 | |||
513 | push edi |
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514 | |||
515 | |||
516 | and edi, not(0x3FFFFF) |
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517 | add esi, 0x3FFFFF |
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518 | and esi, not(0x3FFFFF) |
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519 | |||
520 | |||
521 | jae .grow |
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522 | |||
523 | |||
524 | |||
525 | |||
526 | call alloc_page |
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527 | test eax, eax |
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528 | jz .exit |
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529 | |||
530 | |||
188 | serge | 531 | |
164 | serge | 532 | |
533 | shr edi, 10 |
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534 | add edi, pages_tab |
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535 | mov ecx, 1024 |
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536 | xor eax, eax |
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537 | cld |
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538 | rep stosd |
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539 | pop edi |
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540 | |||
541 | |||
542 | cmp edi, esi |
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543 | jb @B |
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544 | .grow: |
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545 | pop edi |
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546 | pop esi |
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547 | @@: |
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548 | call alloc_page |
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549 | test eax, eax |
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550 | jz .exit |
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551 | stdcall map_page,esi,eax,dword PG_UW |
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552 | |||
553 | |||
554 | mov edi, esi |
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555 | xor eax, eax |
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556 | mov ecx, 1024 |
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557 | cld |
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558 | rep stosd |
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559 | pop edi |
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560 | |||
561 | |||
562 | cmp esi, edi |
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563 | jb @B |
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294 | diamond | 564 | |
164 | serge | 565 | |
566 | .exit: |
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567 | xor eax, eax |
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568 | inc eax |
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569 | dec [pg_data.pg_mutex] |
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570 | ret |
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571 | endp |
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572 | |||
573 | |||
294 | diamond | 574 | ; in: edx = slot shl 8 |
575 | ; ebx = new memory size |
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576 | ; destroys eax,ecx,edx |
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577 | |||
578 | |||
579 | ;search threads and update |
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580 | ;application memory size infomation |
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581 | mov ecx,[PROC_BASE+APPDATA.dir_table+edx] |
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582 | mov eax,2 |
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583 | |||
584 | |||
585 | ;eax = current slot |
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586 | ;ebx = new memory size |
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587 | ;ecx = page directory |
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588 | cmp eax,[TASK_COUNT] |
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589 | jg .search_threads_end |
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590 | mov edx,eax |
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591 | shl edx,5 |
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592 | cmp word [CURRENT_TASK+edx+TASKDATA.state],9 ;if slot empty? |
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593 | jz .search_threads_next |
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594 | shl edx,3 |
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595 | cmp [PROC_BASE+edx+APPDATA.dir_table],ecx ;if it is our thread? |
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596 | jnz .search_threads_next |
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597 | mov [PROC_BASE+edx+APPDATA.mem_size],ebx ;update memory size |
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598 | .search_threads_next: |
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599 | inc eax |
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600 | jmp .search_threads |
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601 | .search_threads_end: |
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602 | ret |
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603 | |||
604 | |||
285 | serge | 605 | ; eax= linear address |
606 | ; |
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607 | ; retval |
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608 | ; eax= phisical page address |
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609 | |||
610 | |||
164 | serge | 611 | get_pg_addr: |
285 | serge | 612 | shr eax, 12 |
613 | mov eax, [pages_tab+eax*4] |
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614 | and eax, 0xFFFFF000 |
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164 | serge | 615 | ret |
616 | |||
617 | |||
188 | serge | 618 | proc page_fault_handler |
164 | serge | 619 | pushad |
620 | |||
621 | |||
622 | mov eax, cr2 |
||
623 | push eax |
||
172 | serge | 624 | push ds |
164 | serge | 625 | push es |
188 | serge | 626 | |
164 | serge | 627 | |
628 | mov ds, ax |
||
629 | mov es, ax |
||
188 | serge | 630 | |
164 | serge | 631 | |
188 | serge | 632 | |
633 | |||
164 | serge | 634 | |
635 | |||
636 | jae .lfb_addr |
||
637 | |||
638 | |||
639 | jae .user_space |
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640 | |||
641 | |||
188 | serge | 642 | jae .alloc |
643 | |||
644 | |||
164 | serge | 645 | jae .tab_space |
646 | |||
647 | |||
648 | |||
649 | |||
650 | shr ebx, 12 |
||
651 | mov ecx, ebx |
||
172 | serge | 652 | shr ecx, 10 |
653 | mov edx, [master_tab+ecx*4] |
||
654 | test edx, 1 |
||
655 | jz .fail |
||
656 | |||
657 | |||
164 | serge | 658 | test eax, 2 |
659 | jz .fail |
||
172 | serge | 660 | .alloc: |
188 | serge | 661 | call alloc_page |
164 | serge | 662 | and eax, eax |
663 | jz .exit |
||
664 | |||
665 | |||
666 | |||
667 | |||
188 | serge | 668 | and edi, 0xFFFFF000 |
669 | mov ecx, 1024 |
||
164 | serge | 670 | xor eax, eax |
671 | cld |
||
188 | serge | 672 | rep stosd |
673 | .exit: |
||
164 | serge | 674 | pop es |
188 | serge | 675 | pop ds |
164 | serge | 676 | mov esp, ebp |
677 | popad |
||
678 | add esp, 4 |
||
679 | iretd |
||
680 | .fail: |
||
172 | serge | 681 | pop es |
188 | serge | 682 | pop ds |
172 | serge | 683 | mov esp, ebp |
684 | popad |
||
685 | add esp, 4 |
||
686 | |||
164 | serge | 687 | |
172 | serge | 688 | |
689 | |||
690 | jmp exc_c |
||
691 | iretd |
||
692 | |||
693 | |||
164 | serge | 694 | ; shr ebx, 12 |
188 | serge | 695 | ; mov eax, [pages_tab+ebx*4] |
696 | ; shr ebx, 10 |
||
697 | ; mov eax, [master_tab+ebx*4] |
||
698 | jmp .exit |
||
699 | .old_addr: |
||
164 | serge | 700 | ; shr ebx, 12 |
188 | serge | 701 | ; mov eax, [pages_tab+ebx*4] |
164 | serge | 702 | ; shr ebx, 10 |
188 | serge | 703 | ; mov eax, [master_tab+ebx*4] |
704 | jmp .exit |
||
705 | .lfb_addr: |
||
164 | serge | 706 | ; shr ebx, 22 |
188 | serge | 707 | ; ;mov ecx, [sys_page_dir] |
708 | ; mov eax, [master_tab+ebx*4] |
||
709 | jmp .exit |
||
710 | .tab_space: |
||
164 | serge | 711 | ; shr ebx, 12 |
188 | serge | 712 | ; mov eax, [pages_tab+ebx*4] |
164 | serge | 713 | ; shr ebx, 10 |
188 | serge | 714 | ; ;mov ecx, [sys_page_dir] |
715 | ; mov eax, [master_tab+ebx*4] |
||
716 | jmp .exit |
||
717 | endp |
||
164 | serge | 718 | |
719 | |||
720 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
721 | ofs:dword,buf_size:dword |
||
722 | mov eax, [buf_size] |
||
723 | test eax, eax |
||
724 | jz .exit |
||
725 | |||
726 | |||
727 | and eax, 0xFFFFF000 |
||
728 | |||
729 | |||
730 | mov ebx, [ofs] |
||
731 | shr ebx, 22 |
||
732 | mov esi, [ipc_pdir] |
||
733 | mov edi, [ipc_ptab] |
||
734 | mov eax, [esi+ebx*4] |
||
735 | and eax, 0xFFFFF000 |
||
736 | test eax, eax |
||
737 | jz .exit |
||
738 | stdcall map_page,edi,eax,dword PG_UW |
||
739 | ; inc ebx |
||
740 | ; add edi, 0x1000 |
||
741 | ; mov eax, [esi+ebx*4] |
||
742 | ; test eax, eax |
||
743 | ; jz @f |
||
744 | ; and eax, 0xFFFFF000 |
||
745 | ; stdcall map_page, edi, eax |
||
746 | |||
747 | |||
748 | and edi, 0xFFFFF000 |
||
749 | mov ecx, [buf_size] |
||
750 | add ecx, 4095 |
||
751 | shr ecx, 12 |
||
752 | inc ecx |
||
753 | |||
754 | |||
755 | shr edx, 12 |
||
756 | and edx, 0x3FF |
||
757 | mov esi, [ipc_ptab] |
||
758 | |||
759 | |||
760 | and eax, 0xFFFFF000 |
||
761 | test eax, eax |
||
762 | jz .exit |
||
763 | stdcall map_page,edi,eax,dword PG_UW |
||
764 | add edi, 0x1000 |
||
765 | inc edx |
||
766 | dec ecx |
||
767 | jnz .map |
||
768 | |||
769 | |||
770 | ret |
||
771 | endp |
||
772 | |||
773 | |||
774 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
775 | ofs:dword,buf_size:dword |
||
776 | mov eax, [buf_size] |
||
777 | test eax, eax |
||
778 | jz .exit |
||
779 | |||
780 | |||
781 | and eax, 0xFFFFF000 |
||
782 | |||
783 | |||
784 | mov ebx, [ofs] |
||
785 | shr ebx, 22 |
||
786 | mov esi, [proc_mem_pdir] |
||
787 | mov edi, [proc_mem_tab] |
||
788 | mov eax, [esi+ebx*4] |
||
789 | and eax, 0xFFFFF000 |
||
790 | test eax, eax |
||
791 | jz .exit |
||
792 | stdcall map_page,edi,eax,dword PG_UW |
||
793 | |||
794 | |||
795 | and edi, 0xFFFFF000 |
||
796 | mov ecx, [buf_size] |
||
797 | add ecx, 4095 |
||
798 | shr ecx, 12 |
||
799 | inc ecx |
||
800 | |||
801 | |||
802 | shr edx, 12 |
||
803 | and edx, 0x3FF |
||
804 | mov esi, [proc_mem_tab] |
||
805 | |||
806 | |||
807 | ; and eax, 0xFFFFF000 |
||
808 | ; test eax, eax |
||
809 | ; jz .exit |
||
810 | stdcall map_page,edi,eax,dword PG_UW |
||
811 | add edi, 0x1000 |
||
812 | inc edx |
||
813 | dec ecx |
||
814 | jnz .map |
||
815 | .exit: |
||
816 | ret |
||
817 | endp |
||
818 | |||
819 | |||
820 | |||
821 | |||
822 | |||
823 | ;input: |
||
824 | ; eax=1 - set ipc buffer area |
||
825 | ; ebx=address of buffer |
||
826 | ; ecx=size of buffer |
||
827 | ; eax=2 - send message |
||
828 | ; ebx=PID |
||
829 | ; ecx=address of message |
||
830 | ; edx=size of message |
||
831 | |||
832 | |||
833 | jne @f |
||
834 | call set_ipc_buff |
||
835 | mov [esp+36], eax |
||
836 | ret |
||
837 | @@: |
||
838 | cmp eax, 2 |
||
839 | jne @f |
||
840 | stdcall sys_ipc_send, ebx, ecx, edx |
||
841 | mov [esp+36], eax |
||
842 | ret |
||
843 | @@: |
||
844 | xor eax, eax |
||
845 | not eax |
||
846 | mov [esp+36], eax |
||
847 | ret |
||
848 | |||
849 | |||
850 | proc set_ipc_buff |
||
851 | |||
852 | |||
853 | shl eax,8 |
||
854 | add eax, PROC_BASE |
||
855 | pushf |
||
856 | cli |
||
857 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
858 | mov [eax+0xA4],ecx |
||
859 | |||
860 | |||
861 | add ecx, ebx |
||
862 | add ecx, 4095 |
||
863 | and ecx, not 4095 |
||
864 | |||
865 | |||
866 | add ebx, 0x1000 |
||
867 | cmp ebx, ecx |
||
868 | jna .touch |
||
869 | |||
870 | |||
871 | xor eax, eax |
||
872 | ret |
||
873 | endp |
||
874 | |||
875 | |||
876 | locals |
||
877 | dst_slot dd ? |
||
878 | dst_offset dd ? |
||
879 | buf_size dd ? |
||
880 | endl |
||
881 | |||
882 | |||
883 | cli |
||
884 | |||
885 | |||
886 | call pid_to_slot |
||
887 | test eax,eax |
||
888 | jz .no_pid |
||
889 | |||
890 | |||
891 | shl eax,8 |
||
892 | mov edi,[eax+PROC_BASE+0xa0] ;is ipc area defined? |
||
893 | test edi,edi |
||
894 | jz .no_ipc_area |
||
895 | |||
896 | |||
897 | add edi, new_app_base |
||
898 | and ebx, 0xFFF |
||
899 | mov [dst_offset], ebx |
||
900 | |||
901 | |||
902 | mov [buf_size], esi |
||
903 | |||
904 | |||
905 | edi, esi |
||
906 | |||
907 | |||
908 | add edi, [ipc_tmp] |
||
909 | cmp dword [edi], 0 |
||
910 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
911 | |||
227 | serge | 912 | |
164 | serge | 913 | mov edx, ebx |
914 | add ebx, 8 |
||
915 | add ebx, [msg_size] |
||
916 | cmp ebx, [buf_size] |
||
917 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
918 | |||
227 | serge | 919 | |
164 | serge | 920 | mov eax,[TASK_BASE] |
921 | mov eax, [eax+0x04] ;eax - our PID |
||
922 | mov edi, [dst_offset] |
||
923 | add edi, [ipc_tmp] |
||
924 | add edi, edx |
||
925 | mov [edi], eax |
||
926 | mov ecx, [msg_size] |
||
927 | |||
928 | |||
929 | add edi, 8 |
||
930 | mov esi, [msg_addr] |
||
931 | add esi, new_app_base |
||
932 | cld |
||
933 | rep movsb |
||
934 | |||
935 | |||
936 | mov edx, ebx |
||
937 | shr ebx, 12 |
||
938 | xor eax, eax |
||
939 | mov [pages_tab+ebx*4], eax |
||
940 | invlpg [edx] |
||
941 | |||
942 | |||
943 | mov edx, ebx |
||
944 | shr ebx, 12 |
||
945 | xor eax, eax |
||
946 | mov [pages_tab+ebx*4], eax |
||
947 | invlpg [edx] |
||
948 | |||
949 | |||
950 | mov edx, ebx |
||
951 | shr ebx, 12 |
||
952 | xor eax, eax |
||
953 | mov [pages_tab+ebx*4], eax |
||
954 | invlpg [edx] |
||
955 | |||
956 | |||
957 | shl eax, 8 |
||
958 | or [eax+PROC_BASE+0xA8],dword 0x40 |
||
959 | cmp dword [check_idle_semaphore],20 |
||
960 | jge .ipc_no_cis |
||
961 | |||
962 | |||
963 | .ipc_no_cis: |
||
964 | popf |
||
965 | xor eax, eax |
||
966 | ret |
||
967 | .no_pid: |
||
968 | popf |
||
969 | mov eax, 4 |
||
970 | ret |
||
971 | .no_ipc_area: |
||
972 | popf |
||
973 | xor eax, eax |
||
974 | inc eax |
||
975 | ret |
||
976 | .ipc_blocked: |
||
977 | popf |
||
978 | mov eax, 2 |
||
979 | ret |
||
980 | .buffer_overflow: |
||
981 | popf |
||
982 | mov eax, 3 |
||
983 | ret |
||
984 | endp |
||
985 | |||
986 | |||
987 | sysfn_meminfo: |
||
170 | serge | 988 | |
164 | serge | 989 | |
170 | serge | 990 | cmp ebx, new_app_base |
172 | serge | 991 | jb .fail |
992 | |||
993 | |||
164 | serge | 994 | mov [ebx], eax |
170 | serge | 995 | shl eax, 12 |
172 | serge | 996 | mov [esp+36], eax |
997 | mov ecx, [pg_data.pages_free] |
||
170 | serge | 998 | mov [ebx+4], ecx |
999 | mov edx, [pg_data.pages_faults] |
||
1000 | mov [ebx+8], edx |
||
1001 | mov esi, [heap_size] |
||
1002 | mov [ebx+12], esi |
||
1003 | mov edi, [heap_free] |
||
1004 | mov [ebx+16], edi |
||
1005 | mov eax, [heap_blocks] |
||
1006 | mov [ebx+20], eax |
||
1007 | mov ecx, [free_blocks] |
||
1008 | mov [ebx+24], ecx |
||
1009 | ret |
||
164 | serge | 1010 | .fail: |
172 | serge | 1011 | mov dword [esp+36], -1 |
1012 | ret |
||
1013 | |||
164 | serge | 1014 | |
1015 | new_services: |
||
1016 | |||
1017 | |||
1018 | jle sys_sheduler |
||
1019 | |||
1020 | |||
170 | serge | 1021 | jb .fail |
164 | serge | 1022 | ja @f |
1023 | |||
1024 | |||
188 | serge | 1025 | mov [esp+36], eax |
164 | serge | 1026 | ret |
1027 | @@: |
||
1028 | cmp eax, 12 |
||
1029 | ja @f |
||
1030 | |||
1031 | |||
1032 | mov [esp+36], eax |
||
1033 | ret |
||
1034 | @@: |
||
1035 | cmp eax, 13 |
||
1036 | ja @f |
||
1037 | add ebx, new_app_base |
||
188 | serge | 1038 | stdcall user_free, ebx |
164 | serge | 1039 | mov [esp+36], eax |
1040 | ret |
||
1041 | @@: |
||
1042 | cmp eax, 14 |
||
1043 | ja @f |
||
1044 | add ebx, new_app_base |
||
227 | serge | 1045 | cmp ebx, new_app_base |
172 | serge | 1046 | jb .fail |
1047 | stdcall get_event_ex, ebx, ecx |
||
227 | serge | 1048 | mov [esp+36], eax |
1049 | ret |
||
164 | serge | 1050 | @@: |
1051 | cmp eax, 15 |
||
1052 | ja @f |
||
1053 | mov ecx, [CURRENT_TASK] |
||
1054 | shl ecx, 8 |
||
1055 | mov eax, [ecx+PROC_BASE+APPDATA.fpu_handler] |
||
1056 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], ebx |
||
1057 | mov [esp+36], eax |
||
1058 | ret |
||
1059 | @@: |
||
1060 | cmp eax, 16 |
||
1061 | ja @f |
||
1062 | |||
1063 | |||
188 | serge | 1064 | jz .fail |
1065 | add ebx, new_app_base |
||
164 | serge | 1066 | cmp ebx, new_app_base |
172 | serge | 1067 | jb .fail |
1068 | stdcall get_service, ebx |
||
164 | serge | 1069 | mov [esp+36], eax |
1070 | ret |
||
1071 | @@: |
||
1072 | cmp eax, 17 |
||
1073 | ja @f |
||
1074 | stdcall srv_handlerEx, ebx |
||
1075 | mov [esp+36], eax |
||
1076 | ret |
||
1077 | @@: |
||
168 | serge | 1078 | cmp eax, 18 |
1079 | ja @f |
||
1080 | mov ecx, [CURRENT_TASK] |
||
1081 | shl ecx, 8 |
||
1082 | mov eax, [ecx+PROC_BASE+APPDATA.sse_handler] |
||
1083 | mov [ecx+PROC_BASE+APPDATA.sse_handler], ebx |
||
1084 | mov [esp+36], eax |
||
1085 | ret |
||
1086 | @@: |
||
164 | serge | 1087 | cmp eax, 19 |
198 | serge | 1088 | ja .fail |
227 | serge | 1089 | add ebx, new_app_base |
198 | serge | 1090 | cmp ebx, new_app_base |
1091 | jb .fail |
||
1092 | stdcall load_library, ebx |
||
1093 | mov [esp+36], eax |
||
1094 | ret |
||
1095 | |||
227 | serge | 1096 | |
164 | serge | 1097 | xor eax, eax |
1098 | mov [esp+36], eax |
||
1099 | ret |
||
1100 | |||
1101 | |||
1102 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1103 | |||
1104 | |||
1105 | jecxz .end |
||
1106 | |||
1107 | |||
1108 | |||
1109 | |||
1110 | mov esi,edi |
||
1111 | xor eax,eax |
||
1112 | repne scasb |
||
1113 | neg ecx ; cx = count - strlen |
||
1114 | add ecx,ebx ; strlen + count - strlen |
||
1115 | |||
1116 | |||
1117 | mov edi,esi |
||
1118 | mov esi,[str2] |
||
1119 | repe cmpsb |
||
1120 | mov al,[esi-1] |
||
1121 | xor ecx,ecx |
||
1122 | |||
1123 | |||
1124 | ja .str2_big |
||
1125 | je .end |
||
1126 | |||
1127 | |||
1128 | sub ecx,2 |
||
1129 | |||
1130 | |||
1131 | not ecx |
||
1132 | .end: |
||
1133 | mov eax,ecx |
||
1134 | ret |
||
1135 | endp |
||
1136 | |||
1137 | |||
1138 | proc test_cpu |
||
1139 | locals |
||
1140 | cpu_type dd ? |
||
166 | serge | 1141 | cpu_id dd ? |
1142 | cpu_Intel dd ? |
||
1143 | cpu_AMD dd ? |
||
1144 | endl |
||
164 | serge | 1145 | |
1146 | |||
1147 | xor eax, eax |
||
211 | serge | 1148 | mov [cpu_caps], eax |
1149 | mov [cpu_caps+4], eax |
||
1150 | |||
164 | serge | 1151 | |
1152 | pop eax |
||
1153 | mov ecx, eax |
||
1154 | xor eax, 0x40000 |
||
1155 | push eax |
||
1156 | popfd |
||
1157 | pushfd |
||
1158 | pop eax |
||
1159 | xor eax, ecx |
||
1160 | mov [cpu_type], CPU_386 |
||
1161 | jz .end_cpuid |
||
221 | serge | 1162 | push ecx |
164 | serge | 1163 | popfd |
1164 | |||
1165 | |||
1166 | mov eax, ecx |
||
1167 | xor eax, 0x200000 |
||
1168 | push eax |
||
1169 | popfd |
||
1170 | pushfd |
||
1171 | pop eax |
||
1172 | xor eax, ecx |
||
1173 | je .end_cpuid |
||
221 | serge | 1174 | mov [cpu_id], 1 |
164 | serge | 1175 | |
1176 | |||
1177 | cpuid |
||
1178 | mov [cpu_vendor], ebx |
||
1179 | mov [cpu_vendor+4], edx |
||
1180 | mov [cpu_vendor+8], ecx |
||
1181 | cmp ebx, dword [intel_str] |
||
1182 | jne .check_AMD |
||
1183 | cmp edx, dword [intel_str+4] |
||
1184 | jne .check_AMD |
||
1185 | cmp ecx, dword [intel_str+8] |
||
1186 | jne .check_AMD |
||
1187 | mov [cpu_Intel], 1 |
||
1188 | cmp eax, 1 |
||
1189 | jl .end_cpuid |
||
1190 | mov eax, 1 |
||
1191 | cpuid |
||
1192 | mov [cpu_sign], eax |
||
1193 | mov [cpu_info], ebx |
||
1194 | mov [cpu_caps], edx |
||
1195 | mov [cpu_caps+4],ecx |
||
1196 | |||
1197 | |||
1198 | and eax, 0x0f |
||
1199 | ret |
||
1200 | .end_cpuid: |
||
1201 | mov eax, [cpu_type] |
||
1202 | ret |
||
1203 | |||
1204 | |||
1205 | cmp ebx, dword [AMD_str] |
||
1206 | jne .unknown |
||
221 | serge | 1207 | cmp edx, dword [AMD_str+4] |
164 | serge | 1208 | jne .unknown |
221 | serge | 1209 | cmp ecx, dword [AMD_str+8] |
164 | serge | 1210 | jne .unknown |
221 | serge | 1211 | mov [cpu_AMD], 1 |
164 | serge | 1212 | cmp eax, 1 |
1213 | jl .unknown |
||
221 | serge | 1214 | mov eax, 1 |
164 | serge | 1215 | cpuid |
1216 | mov [cpu_sign], eax |
||
1217 | mov [cpu_info], ebx |
||
1218 | mov [cpu_caps], edx |
||
1219 | mov [cpu_caps+4],ecx |
||
1220 | shr eax, 8 |
||
1221 | and eax, 0x0f |
||
1222 | ret |
||
1223 | .unknown: |
||
221 | serge | 1224 | mov eax, 1 |
1225 | cpuid |
||
1226 | mov [cpu_sign], eax |
||
1227 | mov [cpu_info], ebx |
||
1228 | mov [cpu_caps], edx |
||
1229 | mov [cpu_caps+4],ecx |
||
1230 | shr eax, 8 |
||
1231 | and eax, 0x0f |
||
1232 | ret |
||
1233 | endp |
||
164 | serge | 1234 | |
1235 | |||
1236 | MEM_WC equ 1 ;write combined memory |
||
1237 | MEM_UC equ 0 ;uncached memory |
||
1238 | |||
1239 | |||
1240 | proc init_mtrr |
||
1241 | |||
1242 | |||
1243 | je .exit |
||
1244 | |||
1245 | |||
211 | serge | 1246 | jnc .exit |
1247 | |||
1248 | |||
164 | serge | 1249 | or eax, 0x60000000 ;disable caching |
1250 | mov cr0, eax |
||
1251 | wbinvd ;invalidate cache |
||
1252 | |||
1253 | |||
1254 | rdmsr ; |
||
1255 | push eax |
||
1256 | |||
1257 | |||
1258 | xor eax, eax |
||
1259 | mov ecx, 0x2FF |
||
1260 | wrmsr ;disable all MTRR |
||
1261 | |||
1262 | |||
1263 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1264 | xor edx, edx |
||
1265 | xor eax, eax |
||
1266 | mov ecx, 0x204 |
||
1267 | mov ebx, 6 |
||
1268 | @@: |
||
1269 | wrmsr ;disable unused MTRR |
||
1270 | inc ecx |
||
1271 | wrmsr |
||
1272 | inc ecx |
||
1273 | dec ebx |
||
1274 | jnz @b |
||
1275 | |||
1276 | |||
1277 | |||
1278 | |||
1279 | or eax, 0x800 ;set default memtype to UC |
||
1280 | and al, 0xF0 |
||
1281 | mov ecx, 0x2FF |
||
1282 | wrmsr ;and enable MTRR |
||
1283 | |||
1284 | |||
1285 | and eax, not 0x60000000 |
||
1286 | mov cr0, eax ; enable caching |
||
1287 | .exit: |
||
1288 | ret |
||
1289 | endp |
||
1290 | |||
1291 | |||
1292 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1293 | |||
1294 | |||
1295 | mov eax, [base] |
||
1296 | or eax, [mem_type] |
||
1297 | mov ecx, [reg] |
||
1298 | lea ecx, [0x200+ecx*2] |
||
1299 | wrmsr |
||
1300 | |||
1301 | |||
1302 | dec ebx |
||
1303 | mov eax, 0xFFFFFFFF |
||
1304 | mov edx, 0x0000000F |
||
1305 | sub eax, ebx |
||
1306 | sbb edx, 0 |
||
1307 | or eax, 0x800 |
||
1308 | inc ecx |
||
1309 | wrmsr |
||
1310 | ret |
||
1311 | endp |
||
1312 | |||
1313 | |||
172 | serge | 1314 | proc stall stdcall, delay:dword |
1315 | push ecx |
||
1316 | push edx |
||
1317 | push ebx |
||
1318 | push eax |
||
1319 | |||
1320 | |||
1321 | mul [stall_mcs] |
||
1322 | mov ebx, eax ;low |
||
1323 | mov ecx, edx ;high |
||
1324 | rdtsc |
||
1325 | add ebx, eax |
||
1326 | adc ecx,edx |
||
1327 | @@: |
||
1328 | rdtsc |
||
1329 | sub eax, ebx |
||
1330 | sbb edx, ecx |
||
1331 | jb @B |
||
1332 | |||
1333 | |||
1334 | pop ebx |
||
1335 | pop edx |
||
1336 | pop ecx |
||
1337 | ret |
||
1338 | endp |
||
1339 | |||
1340 | |||
164 | serge | 1341 | align 4 |
1342 | intel_str db "GenuineIntel",0 |
||
1343 | AMD_str db "AuthenticAMD",0 |
||
1344 | endg |
||
1345 | |||
1346 | |||
1347 | align 16 |
||
1348 | irq_tab rd 16 |
||
1349 | |||
1350 | |||
1351 | |||
1352 | |||
1353 | |||
1354 | ipc_pdir rd 1 |
||
1355 | ipc_ptab rd 1 |
||
1356 | |||
1357 | |||
1358 | proc_mem_pdir rd 1 |
||
1359 | proc_mem_tab rd 1 |
||
1360 | |||
1361 | |||
1362 | tmp_task_ptab rd 1 |
||
1363 | tmp_task_data rd 1 |
||
1364 | |||
1365 | |||
1366 | fdd_buff rd 1 |
||
1367 | LFBSize rd 1 |
||
214 | serge | 1368 | |
164 | serge | 1369 | |
172 | serge | 1370 | ;;CPUID information |
164 | serge | 1371 | |
1372 | |||
1373 | cpu_sign rd 1 |
||
1374 | cpu_info rd 1 |
||
1375 | |||
1376 | |||
221 | serge | 1377 | |
1378 | |||
1379 | cur_saved_data rb 4096 |
||
1380 | |||
1381 | |||
1382 | hw_cursor rd 1 |
||
233 | serge | 1383 | |
221 | serge | 1384 | |
1385 | scr_height rd 1 |
||
1386 | |||
1387 | |||
1388 | cur_saved_base rd 1 |
||
1389 | cur_saved_interl rd 1 |
||
1390 | cur_saved_w rd 1 |
||
1391 | cur_saved_h rd 1 |
||
1392 | |||
1393 | |||
164 | serge | 1394 | |
1395 | |||
1396 | align 16 |
||
1397 | |||
227 | serge | 1398 | |
276 | serge | 1399 | |
1400 | |||
227 | serge | 1401 | event_map rb 64 |
354 | serge | 1402 | mem_block_list rd 64 |
227 | serge | 1403 | mem_block_mask rd 2 |
1404 | |||
1405 | |||
278 | serge | 1406 | srv.bk rd 1 |
1407 | |||
1408 | |||
164 | serge | 1409 | mem_block_arr rd 1 |
1410 | mem_block_start rd 1 |
||
1411 | mem_block_end rd 1 |
||
1412 | |||
279 | serge | 1413 | |
1414 | heap_size rd 1 |
||
170 | serge | 1415 | heap_free rd 1 |
1416 | heap_blocks rd 1 |
||
1417 | free_blocks rd 1 |
||
1418 | |||
164 | serge | 1419 | |
1420 | page_end rd 1 |
||
1421 | events rd 1 |
||
227 | serge | 1422 | event_start rd 1 |
1423 | event_end rd 1 |
||
1424 | event_uid rd 1 |
||
354 | serge | 1425 | sys_page_map rd 1 |
164 | serge | 1426 | endg |
1427 | |||
1428 | |||
328 | serge | 1429 | push eax |
1430 | push edx |
||
1431 | mov edx, 0x400 ;bocsh |
||
1432 | mov al,0xff ;bocsh |
||
1433 | out dx, al ;bocsh |
||
1434 | pop edx |
||
1435 | pop eax |
||
1436 | end if |
||
1437 | |||
164 | serge | 1438 | |
237 | serge | 1439 | k_strrchr: |
1440 | push eax |
||
1441 | xor eax,eax |
||
1442 | or ecx,-1 |
||
1443 | repne scasb |
||
1444 | add ecx,1 |
||
1445 | neg ecx |
||
1446 | sub edi,1 |
||
1447 | pop eax |
||
1448 | std |
||
1449 | repne scasb |
||
1450 | cld |
||
1451 | add edi,1 |
||
1452 | |||
1453 | |||
1454 | jne @F |
||
1455 | mov eax,edi |
||
1456 | ret |
||
1457 | @@: |
||
1458 | xor eax,eax |
||
1459 | ret |
||
1460 | |||
1461 | |||
1462 | proc k_strncpy stdcall, dest:dword, src:dword, maxlen:dword |
||
1463 | mov eax, [dest] |
||
1464 | mov esi, [src] |
||
1465 | mov ecx, [maxlen] |
||
1466 | test eax, eax |
||
1467 | jz .L9 |
||
1468 | test esi, esi |
||
1469 | jz .L9 |
||
1470 | test ecx, ecx |
||
1471 | jz .L9 |
||
1472 | |||
1473 | |||
1474 | jmp .L1 |
||
1475 | |||
1476 | |||
1477 | .L2: |
||
1478 | mov edx, [esi+eax] |
||
1479 | mov [eax], dl |
||
1480 | test dl, dl |
||
1481 | jz .L7 |
||
1482 | |||
1483 | |||
1484 | test dh, dh |
||
1485 | jz .L6 |
||
1486 | |||
1487 | |||
1488 | mov [eax+2],dl |
||
1489 | test dl, dl |
||
1490 | jz .L5 |
||
1491 | |||
1492 | |||
1493 | test dh, dh |
||
1494 | jz .L4 |
||
1495 | add eax, 4 |
||
1496 | .L1: |
||
1497 | sub ecx, 4 |
||
1498 | jae .L2 |
||
1499 | |||
1500 | |||
1501 | jz .L9 |
||
1502 | |||
1503 | |||
1504 | mov [eax], dl |
||
1505 | test dl, dl |
||
1506 | jz .L3 |
||
1507 | |||
1508 | |||
1509 | dec ecx |
||
1510 | jz .L9 |
||
1511 | |||
1512 | |||
1513 | mov [eax], dl |
||
1514 | test dl, dl |
||
1515 | jz .L3 |
||
1516 | |||
1517 | |||
1518 | dec ecx |
||
1519 | jz .L9 |
||
1520 | |||
1521 | |||
1522 | mov [eax], dl |
||
1523 | test dl, dl |
||
1524 | jz .L3 |
||
1525 | |||
1526 | |||
1527 | jmp .L9 |
||
1528 | |||
1529 | |||
1530 | inc eax |
||
1531 | |||
1532 | |||
1533 | inc eax |
||
1534 | |||
1535 | |||
1536 | inc eax |
||
1537 | .L7: |
||
1538 | add ecx,3 |
||
1539 | jz .L9 |
||
1540 | .L8: |
||
1541 | mov byte [ecx+eax], 0 |
||
1542 | .L3: |
||
1543 | dec ecx |
||
1544 | jnz .L8 |
||
1545 | .L9: |
||
1546 | ret |
||
1547 | endp |
||
1548 | |||
1549 | |||
1550 | |||
1551 | |||
1552 | |||
1553 | |||
1554 | mov eax,[esp+4] |
||
1555 | mov edx, 3 |
||
1556 | |||
1557 | |||
1558 | jz .L1 |
||
1559 | jp .L0 |
||
1560 | |||
1561 | |||
1562 | je .L2 |
||
1563 | |||
1564 | |||
1565 | cmp dh, byte [eax] |
||
1566 | |||
1567 | |||
1568 | |||
1569 | |||
1570 | xor edx, 2 |
||
1571 | |||
1572 | |||
1573 | .L0: |
||
1574 | cmp dh, [eax] |
||
1575 | je .L2 |
||
1576 | |||
1577 | |||
1578 | xor edx, edx |
||
1579 | |||
1580 | |||
1581 | mov ecx, [eax] |
||
1582 | add eax, 4 |
||
1583 | |||
1584 | |||
1585 | add ecx, magic |
||
1586 | |||
1587 | |||
1588 | jnc .L3 |
||
1589 | |||
1590 | |||
1591 | and edx, not magic |
||
1592 | jne .L3 |
||
1593 | |||
1594 | |||
1595 | add eax, 4 |
||
1596 | |||
1597 | |||
1598 | add ecx, magic |
||
1599 | dec edx |
||
1600 | jnc .L3 |
||
1601 | |||
1602 | |||
1603 | and edx, not magic |
||
1604 | jne .L3 |
||
1605 | |||
1606 | |||
1607 | add eax, 4 |
||
1608 | |||
1609 | |||
1610 | add ecx, magic |
||
1611 | |||
1612 | |||
1613 | jnc .L3 |
||
1614 | |||
1615 | |||
1616 | |||
1617 | |||
1618 | jne .L3 |
||
1619 | |||
1620 | |||
1621 | add eax, 4 |
||
1622 | |||
1623 | |||
1624 | add ecx, magic |
||
1625 | |||
1626 | |||
1627 | jnc .L3 |
||
1628 | |||
1629 | |||
1630 | |||
1631 | |||
1632 | je .L1 |
||
1633 | |||
1634 | |||
1635 | sub ecx, magic |
||
1636 | |||
1637 | |||
1638 | jz .L2 |
||
1639 | |||
1640 | |||
1641 | test ch, ch |
||
1642 | jz .L2 |
||
1643 | |||
1644 | |||
1645 | inc eax |
||
1646 | |||
1647 | |||
1648 | jz .L2 |
||
1649 | |||
1650 | |||
1651 | |||
1652 | |||
1653 | sub eax, [esp+4] |
||
1654 | ret |
||
1655 | |||
1656 | |||
1657 |