Rev 221 | 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 | 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 | cmp dword [LFBAddress], -1 |
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285 | jne @f |
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286 | mov [0x2f0000+0x901c],byte 2 |
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201 | serge | 287 | stdcall kernel_alloc, 0x280000 |
164 | serge | 288 | mov [LFBAddress], eax |
289 | ret |
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290 | @@: |
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291 | test [SCR_MODE],word 0100000000000000b |
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292 | jnz @f |
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211 | serge | 293 | mov [0x2f0000+0x901c],byte 2 |
294 | ret |
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295 | @@: |
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296 | call map_LFB |
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164 | serge | 297 | ret |
298 | endp |
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299 | |||
300 | |||
301 | proc map_LFB |
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302 | locals |
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303 | pg_count dd ? |
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304 | endl |
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305 | |||
306 | |||
307 | mov esi, [LFBAddress] |
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308 | mov dword [exp_lfb+4], esi |
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214 | serge | 309 | |
310 | |||
164 | serge | 311 | mov [pg_count], edi |
312 | shr edi, 10 |
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313 | |||
314 | |||
315 | jnc .map_page_tables |
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316 | mov ebx, esi |
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317 | or esi, PG_LARGE+PG_UW |
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318 | shr ebx, 20 |
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319 | mov ecx, ebx |
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320 | @@: |
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321 | mov [sys_pgdir+ebx], esi |
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322 | add ebx, 4 |
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323 | add esi, 0x00400000 |
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324 | dec edi |
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325 | jnz @B |
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326 | |||
327 | |||
207 | serge | 328 | jnc @F |
329 | or dword [sys_pgdir+ecx], PG_GLOBAL |
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164 | serge | 330 | @@: |
207 | serge | 331 | mov eax, cr3 ;flush TLB |
164 | serge | 332 | mov cr3, eax |
333 | ret |
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334 | |||
335 | |||
336 | |||
337 | |||
338 | call alloc_page |
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339 | stdcall map_page_table, esi, eax |
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188 | serge | 340 | add esi, 0x00400000 |
164 | serge | 341 | dec edi |
342 | jnz @B |
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343 | |||
344 | |||
345 | mov esi, eax |
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346 | shr esi, 10 |
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347 | add esi, pages_tab |
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348 | or eax, PG_UW |
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349 | mov ecx, [pg_count] |
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350 | shr ecx, 2 |
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351 | .map: |
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352 | mov [esi], eax |
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353 | add eax, 0x1000 |
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354 | mov [esi+4], eax |
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355 | add eax, 0x1000 |
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356 | mov [esi+8], eax |
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357 | add eax, 0x1000 |
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358 | mov [esi+12], eax |
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359 | add eax, 0x1000 |
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360 | add esi, 16 |
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361 | sub ecx, 1 |
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362 | jnz .map |
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363 | |||
364 | |||
365 | mov cr3, eax |
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366 | |||
367 | |||
368 | endp |
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369 | |||
370 | |||
371 | proc new_mem_resize stdcall, new_size:dword |
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372 | |||
373 | |||
374 | |||
375 | |||
376 | add edi,4095 |
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377 | and edi,not 4095 |
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378 | mov [new_size], edi |
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379 | |||
380 | |||
381 | shl edx,8 |
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382 | cmp [PROC_BASE+APPDATA.heap_base+edx],0 |
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172 | serge | 383 | jne .exit |
384 | |||
385 | |||
386 | add esi, 4095 |
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164 | serge | 387 | and esi, not 4095 |
388 | |||
389 | |||
390 | jae .expand |
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391 | |||
392 | |||
393 | shr esi, 12 |
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394 | @@: |
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395 | mov eax, [pages_tab+0x00181000+edi*4] |
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396 | test eax, 1 |
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397 | jz .next |
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398 | mov dword [pages_tab+0x00181000+edi*4], 2 |
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399 | mov ebx, edi |
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400 | shl ebx, 12 |
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401 | invlpg [ebx+std_application_base_address] |
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402 | call free_page |
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403 | |||
404 | |||
405 | cmp edi, esi |
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406 | jb @B |
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407 | |||
408 | |||
409 | |||
410 | |||
411 | mov [PROC_BASE+0x8c+edx],ebx |
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412 | |||
413 | |||
414 | ;application memory size infomation |
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415 | mov ecx,[PROC_BASE+0xb8+edx] |
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416 | mov eax,2 |
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417 | |||
418 | |||
419 | ;eax = current slot |
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420 | ;ebx = new memory size |
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421 | ;ecx = page directory |
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422 | cmp eax,[TASK_COUNT] |
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423 | jg .search_threads_end |
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424 | mov edx,eax |
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425 | shl edx,5 |
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426 | cmp word [CURRENT_TASK+edx+0xa],9 ;if slot empty? |
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427 | jz .search_threads_next |
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428 | shl edx,3 |
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429 | cmp [PROC_BASE+edx+0xb8],ecx ;if it is our thread? |
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430 | jnz .search_threads_next |
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431 | mov [PROC_BASE+edx+0x8c],ebx ;update memory size |
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432 | .search_threads_next: |
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433 | inc eax |
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434 | jmp .search_threads |
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435 | .search_threads_end: |
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436 | xor eax, eax |
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437 | dec [pg_data.pg_mutex] |
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438 | ret |
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439 | |||
440 | |||
441 | add edi, new_app_base |
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442 | add esi, new_app_base |
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443 | |||
444 | |||
445 | push edi |
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446 | |||
447 | |||
448 | and edi, not(0x3FFFFF) |
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449 | add esi, 0x3FFFFF |
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450 | and esi, not(0x3FFFFF) |
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451 | |||
452 | |||
453 | jae .grow |
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454 | |||
455 | |||
456 | |||
457 | |||
458 | call alloc_page |
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459 | test eax, eax |
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460 | jz .exit |
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461 | |||
462 | |||
188 | serge | 463 | |
164 | serge | 464 | |
465 | shr edi, 10 |
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466 | add edi, pages_tab |
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467 | mov ecx, 1024 |
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468 | xor eax, eax |
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469 | cld |
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470 | rep stosd |
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471 | pop edi |
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472 | |||
473 | |||
474 | cmp edi, esi |
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475 | jb @B |
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476 | .grow: |
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477 | pop edi |
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478 | pop esi |
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479 | @@: |
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480 | call alloc_page |
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481 | test eax, eax |
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482 | jz .exit |
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483 | stdcall map_page,esi,eax,dword PG_UW |
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484 | |||
485 | |||
486 | mov edi, esi |
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487 | xor eax, eax |
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488 | mov ecx, 1024 |
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489 | cld |
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490 | rep stosd |
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491 | pop edi |
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492 | |||
493 | |||
494 | cmp esi, edi |
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495 | jna @B |
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496 | |||
497 | |||
498 | .exit: |
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499 | xor eax, eax |
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500 | inc eax |
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501 | dec [pg_data.pg_mutex] |
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502 | ret |
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503 | endp |
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504 | |||
505 | |||
506 | proc get_pg_addr stdcall, lin_addr:dword |
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507 | mov ebx, [lin_addr] |
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508 | shr ebx, 12 |
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509 | mov eax, [pages_tab+ebx*4] |
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510 | and eax, 0xFFFFF000 |
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511 | ret |
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512 | endp |
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513 | |||
514 | |||
188 | serge | 515 | proc page_fault_handler |
164 | serge | 516 | pushad |
517 | |||
518 | |||
519 | mov eax, cr2 |
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520 | push eax |
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172 | serge | 521 | push ds |
164 | serge | 522 | push es |
188 | serge | 523 | |
164 | serge | 524 | |
525 | mov ds, ax |
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526 | mov es, ax |
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188 | serge | 527 | |
164 | serge | 528 | |
188 | serge | 529 | |
530 | |||
164 | serge | 531 | |
532 | |||
533 | jae .lfb_addr |
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534 | |||
535 | |||
536 | jae .user_space |
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537 | |||
538 | |||
188 | serge | 539 | jae .alloc |
540 | |||
541 | |||
164 | serge | 542 | jae .tab_space |
543 | |||
544 | |||
545 | |||
546 | |||
547 | shr ebx, 12 |
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548 | mov ecx, ebx |
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172 | serge | 549 | shr ecx, 10 |
550 | mov edx, [master_tab+ecx*4] |
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551 | test edx, 1 |
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552 | jz .fail |
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553 | |||
554 | |||
164 | serge | 555 | test eax, 2 |
556 | jz .fail |
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172 | serge | 557 | .alloc: |
188 | serge | 558 | call alloc_page |
164 | serge | 559 | and eax, eax |
560 | jz .exit |
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561 | |||
562 | |||
563 | |||
564 | |||
188 | serge | 565 | and edi, 0xFFFFF000 |
566 | mov ecx, 1024 |
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164 | serge | 567 | xor eax, eax |
568 | cld |
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188 | serge | 569 | rep stosd |
570 | .exit: |
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164 | serge | 571 | pop es |
188 | serge | 572 | pop ds |
164 | serge | 573 | mov esp, ebp |
574 | popad |
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575 | add esp, 4 |
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576 | iretd |
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577 | .fail: |
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172 | serge | 578 | pop es |
188 | serge | 579 | pop ds |
172 | serge | 580 | mov esp, ebp |
581 | popad |
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582 | add esp, 4 |
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583 | |||
164 | serge | 584 | |
172 | serge | 585 | |
586 | |||
587 | jmp exc_c |
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588 | iretd |
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589 | |||
590 | |||
164 | serge | 591 | ; shr ebx, 12 |
188 | serge | 592 | ; mov eax, [pages_tab+ebx*4] |
593 | ; shr ebx, 10 |
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594 | ; mov eax, [master_tab+ebx*4] |
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595 | jmp .exit |
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596 | .old_addr: |
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164 | serge | 597 | ; shr ebx, 12 |
188 | serge | 598 | ; mov eax, [pages_tab+ebx*4] |
164 | serge | 599 | ; shr ebx, 10 |
188 | serge | 600 | ; mov eax, [master_tab+ebx*4] |
601 | jmp .exit |
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602 | .lfb_addr: |
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164 | serge | 603 | ; shr ebx, 22 |
188 | serge | 604 | ; ;mov ecx, [sys_page_dir] |
605 | ; mov eax, [master_tab+ebx*4] |
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606 | jmp .exit |
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607 | .tab_space: |
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164 | serge | 608 | ; shr ebx, 12 |
188 | serge | 609 | ; mov eax, [pages_tab+ebx*4] |
164 | serge | 610 | ; shr ebx, 10 |
188 | serge | 611 | ; ;mov ecx, [sys_page_dir] |
612 | ; mov eax, [master_tab+ebx*4] |
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613 | jmp .exit |
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614 | endp |
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164 | serge | 615 | |
616 | |||
617 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
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618 | ofs:dword,buf_size:dword |
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619 | mov eax, [buf_size] |
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620 | test eax, eax |
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621 | jz .exit |
||
622 | |||
623 | |||
624 | and eax, 0xFFFFF000 |
||
625 | |||
626 | |||
627 | mov ebx, [ofs] |
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628 | shr ebx, 22 |
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629 | mov esi, [ipc_pdir] |
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630 | mov edi, [ipc_ptab] |
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631 | mov eax, [esi+ebx*4] |
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632 | and eax, 0xFFFFF000 |
||
633 | test eax, eax |
||
634 | jz .exit |
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635 | stdcall map_page,edi,eax,dword PG_UW |
||
636 | ; inc ebx |
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637 | ; add edi, 0x1000 |
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638 | ; mov eax, [esi+ebx*4] |
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639 | ; test eax, eax |
||
640 | ; jz @f |
||
641 | ; and eax, 0xFFFFF000 |
||
642 | ; stdcall map_page, edi, eax |
||
643 | |||
644 | |||
645 | and edi, 0xFFFFF000 |
||
646 | mov ecx, [buf_size] |
||
647 | add ecx, 4095 |
||
648 | shr ecx, 12 |
||
649 | inc ecx |
||
650 | |||
651 | |||
652 | shr edx, 12 |
||
653 | and edx, 0x3FF |
||
654 | mov esi, [ipc_ptab] |
||
655 | |||
656 | |||
657 | and eax, 0xFFFFF000 |
||
658 | test eax, eax |
||
659 | jz .exit |
||
660 | stdcall map_page,edi,eax,dword PG_UW |
||
661 | add edi, 0x1000 |
||
662 | inc edx |
||
663 | dec ecx |
||
664 | jnz .map |
||
665 | |||
666 | |||
667 | ret |
||
668 | endp |
||
669 | |||
670 | |||
671 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
672 | ofs:dword,buf_size:dword |
||
673 | mov eax, [buf_size] |
||
674 | test eax, eax |
||
675 | jz .exit |
||
676 | |||
677 | |||
678 | and eax, 0xFFFFF000 |
||
679 | |||
680 | |||
681 | mov ebx, [ofs] |
||
682 | shr ebx, 22 |
||
683 | mov esi, [proc_mem_pdir] |
||
684 | mov edi, [proc_mem_tab] |
||
685 | mov eax, [esi+ebx*4] |
||
686 | and eax, 0xFFFFF000 |
||
687 | test eax, eax |
||
688 | jz .exit |
||
689 | stdcall map_page,edi,eax,dword PG_UW |
||
690 | |||
691 | |||
692 | and edi, 0xFFFFF000 |
||
693 | mov ecx, [buf_size] |
||
694 | add ecx, 4095 |
||
695 | shr ecx, 12 |
||
696 | inc ecx |
||
697 | |||
698 | |||
699 | shr edx, 12 |
||
700 | and edx, 0x3FF |
||
701 | mov esi, [proc_mem_tab] |
||
702 | |||
703 | |||
704 | ; and eax, 0xFFFFF000 |
||
705 | ; test eax, eax |
||
706 | ; jz .exit |
||
707 | stdcall map_page,edi,eax,dword PG_UW |
||
708 | add edi, 0x1000 |
||
709 | inc edx |
||
710 | dec ecx |
||
711 | jnz .map |
||
712 | .exit: |
||
713 | ret |
||
714 | endp |
||
715 | |||
716 | |||
717 | |||
718 | |||
719 | |||
720 | ;input: |
||
721 | ; eax=1 - set ipc buffer area |
||
722 | ; ebx=address of buffer |
||
723 | ; ecx=size of buffer |
||
724 | ; eax=2 - send message |
||
725 | ; ebx=PID |
||
726 | ; ecx=address of message |
||
727 | ; edx=size of message |
||
728 | |||
729 | |||
730 | jne @f |
||
731 | call set_ipc_buff |
||
732 | mov [esp+36], eax |
||
733 | ret |
||
734 | @@: |
||
735 | cmp eax, 2 |
||
736 | jne @f |
||
737 | stdcall sys_ipc_send, ebx, ecx, edx |
||
738 | mov [esp+36], eax |
||
739 | ret |
||
740 | @@: |
||
741 | xor eax, eax |
||
742 | not eax |
||
743 | mov [esp+36], eax |
||
744 | ret |
||
745 | |||
746 | |||
747 | proc set_ipc_buff |
||
748 | |||
749 | |||
750 | shl eax,8 |
||
751 | add eax, PROC_BASE |
||
752 | pushf |
||
753 | cli |
||
754 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
755 | mov [eax+0xA4],ecx |
||
756 | |||
757 | |||
758 | add ecx, ebx |
||
759 | add ecx, 4095 |
||
760 | and ecx, not 4095 |
||
761 | |||
762 | |||
763 | add ebx, 0x1000 |
||
764 | cmp ebx, ecx |
||
765 | jna .touch |
||
766 | |||
767 | |||
768 | xor eax, eax |
||
769 | ret |
||
770 | endp |
||
771 | |||
772 | |||
773 | locals |
||
774 | dst_slot dd ? |
||
775 | dst_offset dd ? |
||
776 | buf_size dd ? |
||
777 | endl |
||
778 | |||
779 | |||
780 | cli |
||
781 | |||
782 | |||
783 | call pid_to_slot |
||
784 | test eax,eax |
||
785 | jz .no_pid |
||
786 | |||
787 | |||
788 | shl eax,8 |
||
789 | mov edi,[eax+PROC_BASE+0xa0] ;is ipc area defined? |
||
790 | test edi,edi |
||
791 | jz .no_ipc_area |
||
792 | |||
793 | |||
794 | add edi, new_app_base |
||
795 | and ebx, 0xFFF |
||
796 | mov [dst_offset], ebx |
||
797 | |||
798 | |||
799 | mov [buf_size], esi |
||
800 | |||
801 | |||
802 | edi, esi |
||
803 | |||
804 | |||
805 | add edi, [ipc_tmp] |
||
806 | cmp dword [edi], 0 |
||
807 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
808 | |||
227 | serge | 809 | |
164 | serge | 810 | mov edx, ebx |
811 | add ebx, 8 |
||
812 | add ebx, [msg_size] |
||
813 | cmp ebx, [buf_size] |
||
814 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
815 | |||
227 | serge | 816 | |
164 | serge | 817 | mov eax,[TASK_BASE] |
818 | mov eax, [eax+0x04] ;eax - our PID |
||
819 | mov edi, [dst_offset] |
||
820 | add edi, [ipc_tmp] |
||
821 | add edi, edx |
||
822 | mov [edi], eax |
||
823 | mov ecx, [msg_size] |
||
824 | |||
825 | |||
826 | add edi, 8 |
||
827 | mov esi, [msg_addr] |
||
828 | add esi, new_app_base |
||
829 | cld |
||
830 | rep movsb |
||
831 | |||
832 | |||
833 | mov edx, ebx |
||
834 | shr ebx, 12 |
||
835 | xor eax, eax |
||
836 | mov [pages_tab+ebx*4], eax |
||
837 | invlpg [edx] |
||
838 | |||
839 | |||
840 | mov edx, ebx |
||
841 | shr ebx, 12 |
||
842 | xor eax, eax |
||
843 | mov [pages_tab+ebx*4], eax |
||
844 | invlpg [edx] |
||
845 | |||
846 | |||
847 | mov edx, ebx |
||
848 | shr ebx, 12 |
||
849 | xor eax, eax |
||
850 | mov [pages_tab+ebx*4], eax |
||
851 | invlpg [edx] |
||
852 | |||
853 | |||
854 | shl eax, 8 |
||
855 | or [eax+PROC_BASE+0xA8],dword 0x40 |
||
856 | cmp dword [check_idle_semaphore],20 |
||
857 | jge .ipc_no_cis |
||
858 | |||
859 | |||
860 | .ipc_no_cis: |
||
861 | popf |
||
862 | xor eax, eax |
||
863 | ret |
||
864 | .no_pid: |
||
865 | popf |
||
866 | mov eax, 4 |
||
867 | ret |
||
868 | .no_ipc_area: |
||
869 | popf |
||
870 | xor eax, eax |
||
871 | inc eax |
||
872 | ret |
||
873 | .ipc_blocked: |
||
874 | popf |
||
875 | mov eax, 2 |
||
876 | ret |
||
877 | .buffer_overflow: |
||
878 | popf |
||
879 | mov eax, 3 |
||
880 | ret |
||
881 | endp |
||
882 | |||
883 | |||
884 | sysfn_meminfo: |
||
170 | serge | 885 | |
164 | serge | 886 | |
170 | serge | 887 | cmp ebx, new_app_base |
172 | serge | 888 | jb .fail |
889 | |||
890 | |||
164 | serge | 891 | mov [ebx], eax |
170 | serge | 892 | shl eax, 12 |
172 | serge | 893 | mov [esp+36], eax |
894 | mov ecx, [pg_data.pages_free] |
||
170 | serge | 895 | mov [ebx+4], ecx |
896 | mov edx, [pg_data.pages_faults] |
||
897 | mov [ebx+8], edx |
||
898 | mov esi, [heap_size] |
||
899 | mov [ebx+12], esi |
||
900 | mov edi, [heap_free] |
||
901 | mov [ebx+16], edi |
||
902 | mov eax, [heap_blocks] |
||
903 | mov [ebx+20], eax |
||
904 | mov ecx, [free_blocks] |
||
905 | mov [ebx+24], ecx |
||
906 | ret |
||
164 | serge | 907 | .fail: |
172 | serge | 908 | mov dword [esp+36], -1 |
909 | ret |
||
910 | |||
164 | serge | 911 | |
912 | new_services: |
||
913 | |||
914 | |||
915 | jle sys_sheduler |
||
916 | |||
917 | |||
170 | serge | 918 | jb .fail |
164 | serge | 919 | ja @f |
920 | |||
921 | |||
188 | serge | 922 | mov [esp+36], eax |
164 | serge | 923 | ret |
924 | @@: |
||
925 | cmp eax, 12 |
||
926 | ja @f |
||
927 | |||
928 | |||
929 | mov [esp+36], eax |
||
930 | ret |
||
931 | @@: |
||
932 | cmp eax, 13 |
||
933 | ja @f |
||
934 | add ebx, new_app_base |
||
188 | serge | 935 | stdcall user_free, ebx |
164 | serge | 936 | mov [esp+36], eax |
937 | ret |
||
938 | @@: |
||
939 | cmp eax, 14 |
||
940 | ja @f |
||
941 | add ebx, new_app_base |
||
227 | serge | 942 | cmp ebx, new_app_base |
172 | serge | 943 | jb .fail |
944 | stdcall get_event_ex, ebx, ecx |
||
227 | serge | 945 | mov [esp+36], eax |
946 | ret |
||
164 | serge | 947 | @@: |
948 | cmp eax, 15 |
||
949 | ja @f |
||
950 | mov ecx, [CURRENT_TASK] |
||
951 | shl ecx, 8 |
||
952 | mov eax, [ecx+PROC_BASE+APPDATA.fpu_handler] |
||
953 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], ebx |
||
954 | mov [esp+36], eax |
||
955 | ret |
||
956 | @@: |
||
957 | cmp eax, 16 |
||
958 | ja @f |
||
959 | |||
960 | |||
188 | serge | 961 | jz .fail |
962 | add ebx, new_app_base |
||
164 | serge | 963 | cmp ebx, new_app_base |
172 | serge | 964 | jb .fail |
965 | stdcall get_service, ebx |
||
164 | serge | 966 | mov [esp+36], eax |
967 | ret |
||
968 | @@: |
||
969 | cmp eax, 17 |
||
970 | ja @f |
||
971 | stdcall srv_handlerEx, ebx |
||
972 | mov [esp+36], eax |
||
973 | ret |
||
974 | @@: |
||
168 | serge | 975 | cmp eax, 18 |
976 | ja @f |
||
977 | mov ecx, [CURRENT_TASK] |
||
978 | shl ecx, 8 |
||
979 | mov eax, [ecx+PROC_BASE+APPDATA.sse_handler] |
||
980 | mov [ecx+PROC_BASE+APPDATA.sse_handler], ebx |
||
981 | mov [esp+36], eax |
||
982 | ret |
||
983 | @@: |
||
164 | serge | 984 | cmp eax, 19 |
198 | serge | 985 | ja .fail |
227 | serge | 986 | add ebx, new_app_base |
198 | serge | 987 | cmp ebx, new_app_base |
988 | jb .fail |
||
989 | stdcall load_library, ebx |
||
990 | mov [esp+36], eax |
||
991 | ret |
||
992 | |||
227 | serge | 993 | |
164 | serge | 994 | xor eax, eax |
995 | mov [esp+36], eax |
||
996 | ret |
||
997 | |||
998 | |||
999 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1000 | |||
1001 | |||
1002 | jecxz .end |
||
1003 | |||
1004 | |||
1005 | |||
1006 | |||
1007 | mov esi,edi |
||
1008 | xor eax,eax |
||
1009 | repne scasb |
||
1010 | neg ecx ; cx = count - strlen |
||
1011 | add ecx,ebx ; strlen + count - strlen |
||
1012 | |||
1013 | |||
1014 | mov edi,esi |
||
1015 | mov esi,[str2] |
||
1016 | repe cmpsb |
||
1017 | mov al,[esi-1] |
||
1018 | xor ecx,ecx |
||
1019 | |||
1020 | |||
1021 | ja .str2_big |
||
1022 | je .end |
||
1023 | |||
1024 | |||
1025 | sub ecx,2 |
||
1026 | |||
1027 | |||
1028 | not ecx |
||
1029 | .end: |
||
1030 | mov eax,ecx |
||
1031 | ret |
||
1032 | endp |
||
1033 | |||
1034 | |||
1035 | proc test_cpu |
||
1036 | locals |
||
1037 | cpu_type dd ? |
||
166 | serge | 1038 | cpu_id dd ? |
1039 | cpu_Intel dd ? |
||
1040 | cpu_AMD dd ? |
||
1041 | endl |
||
164 | serge | 1042 | |
1043 | |||
1044 | xor eax, eax |
||
211 | serge | 1045 | mov [cpu_caps], eax |
1046 | mov [cpu_caps+4], eax |
||
1047 | |||
164 | serge | 1048 | |
1049 | pop eax |
||
1050 | mov ecx, eax |
||
1051 | xor eax, 0x40000 |
||
1052 | push eax |
||
1053 | popfd |
||
1054 | pushfd |
||
1055 | pop eax |
||
1056 | xor eax, ecx |
||
1057 | mov [cpu_type], CPU_386 |
||
1058 | jz .end_cpuid |
||
221 | serge | 1059 | push ecx |
164 | serge | 1060 | popfd |
1061 | |||
1062 | |||
1063 | mov eax, ecx |
||
1064 | xor eax, 0x200000 |
||
1065 | push eax |
||
1066 | popfd |
||
1067 | pushfd |
||
1068 | pop eax |
||
1069 | xor eax, ecx |
||
1070 | je .end_cpuid |
||
221 | serge | 1071 | mov [cpu_id], 1 |
164 | serge | 1072 | |
1073 | |||
1074 | cpuid |
||
1075 | mov [cpu_vendor], ebx |
||
1076 | mov [cpu_vendor+4], edx |
||
1077 | mov [cpu_vendor+8], ecx |
||
1078 | cmp ebx, dword [intel_str] |
||
1079 | jne .check_AMD |
||
1080 | cmp edx, dword [intel_str+4] |
||
1081 | jne .check_AMD |
||
1082 | cmp ecx, dword [intel_str+8] |
||
1083 | jne .check_AMD |
||
1084 | mov [cpu_Intel], 1 |
||
1085 | cmp eax, 1 |
||
1086 | jl .end_cpuid |
||
1087 | mov eax, 1 |
||
1088 | cpuid |
||
1089 | mov [cpu_sign], eax |
||
1090 | mov [cpu_info], ebx |
||
1091 | mov [cpu_caps], edx |
||
1092 | mov [cpu_caps+4],ecx |
||
1093 | |||
1094 | |||
1095 | and eax, 0x0f |
||
1096 | ret |
||
1097 | .end_cpuid: |
||
1098 | mov eax, [cpu_type] |
||
1099 | ret |
||
1100 | |||
1101 | |||
1102 | cmp ebx, dword [AMD_str] |
||
1103 | jne .unknown |
||
221 | serge | 1104 | cmp edx, dword [AMD_str+4] |
164 | serge | 1105 | jne .unknown |
221 | serge | 1106 | cmp ecx, dword [AMD_str+8] |
164 | serge | 1107 | jne .unknown |
221 | serge | 1108 | mov [cpu_AMD], 1 |
164 | serge | 1109 | cmp eax, 1 |
1110 | jl .unknown |
||
221 | serge | 1111 | mov eax, 1 |
164 | serge | 1112 | cpuid |
1113 | mov [cpu_sign], eax |
||
1114 | mov [cpu_info], ebx |
||
1115 | mov [cpu_caps], edx |
||
1116 | mov [cpu_caps+4],ecx |
||
1117 | shr eax, 8 |
||
1118 | and eax, 0x0f |
||
1119 | ret |
||
1120 | .unknown: |
||
221 | serge | 1121 | mov eax, 1 |
1122 | cpuid |
||
1123 | mov [cpu_sign], eax |
||
1124 | mov [cpu_info], ebx |
||
1125 | mov [cpu_caps], edx |
||
1126 | mov [cpu_caps+4],ecx |
||
1127 | shr eax, 8 |
||
1128 | and eax, 0x0f |
||
1129 | ret |
||
1130 | endp |
||
164 | serge | 1131 | |
1132 | |||
1133 | MEM_WC equ 1 ;write combined memory |
||
1134 | MEM_UC equ 0 ;uncached memory |
||
1135 | |||
1136 | |||
1137 | proc init_mtrr |
||
1138 | |||
1139 | |||
1140 | je .exit |
||
1141 | |||
1142 | |||
211 | serge | 1143 | jnc .exit |
1144 | |||
1145 | |||
164 | serge | 1146 | or eax, 0x60000000 ;disable caching |
1147 | mov cr0, eax |
||
1148 | wbinvd ;invalidate cache |
||
1149 | |||
1150 | |||
1151 | rdmsr ; |
||
1152 | push eax |
||
1153 | |||
1154 | |||
1155 | xor eax, eax |
||
1156 | mov ecx, 0x2FF |
||
1157 | wrmsr ;disable all MTRR |
||
1158 | |||
1159 | |||
1160 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1161 | xor edx, edx |
||
1162 | xor eax, eax |
||
1163 | mov ecx, 0x204 |
||
1164 | mov ebx, 6 |
||
1165 | @@: |
||
1166 | wrmsr ;disable unused MTRR |
||
1167 | inc ecx |
||
1168 | wrmsr |
||
1169 | inc ecx |
||
1170 | dec ebx |
||
1171 | jnz @b |
||
1172 | |||
1173 | |||
1174 | |||
1175 | |||
1176 | or eax, 0x800 ;set default memtype to UC |
||
1177 | and al, 0xF0 |
||
1178 | mov ecx, 0x2FF |
||
1179 | wrmsr ;and enable MTRR |
||
1180 | |||
1181 | |||
1182 | and eax, not 0x60000000 |
||
1183 | mov cr0, eax ; enable caching |
||
1184 | .exit: |
||
1185 | ret |
||
1186 | endp |
||
1187 | |||
1188 | |||
1189 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1190 | |||
1191 | |||
1192 | mov eax, [base] |
||
1193 | or eax, [mem_type] |
||
1194 | mov ecx, [reg] |
||
1195 | lea ecx, [0x200+ecx*2] |
||
1196 | wrmsr |
||
1197 | |||
1198 | |||
1199 | dec ebx |
||
1200 | mov eax, 0xFFFFFFFF |
||
1201 | mov edx, 0x0000000F |
||
1202 | sub eax, ebx |
||
1203 | sbb edx, 0 |
||
1204 | or eax, 0x800 |
||
1205 | inc ecx |
||
1206 | wrmsr |
||
1207 | ret |
||
1208 | endp |
||
1209 | |||
1210 | |||
172 | serge | 1211 | proc stall stdcall, delay:dword |
1212 | push ecx |
||
1213 | push edx |
||
1214 | push ebx |
||
1215 | push eax |
||
1216 | |||
1217 | |||
1218 | mul [stall_mcs] |
||
1219 | mov ebx, eax ;low |
||
1220 | mov ecx, edx ;high |
||
1221 | rdtsc |
||
1222 | add ebx, eax |
||
1223 | adc ecx,edx |
||
1224 | @@: |
||
1225 | rdtsc |
||
1226 | sub eax, ebx |
||
1227 | sbb edx, ecx |
||
1228 | jb @B |
||
1229 | |||
1230 | |||
1231 | pop ebx |
||
1232 | pop edx |
||
1233 | pop ecx |
||
1234 | ret |
||
1235 | endp |
||
1236 | |||
1237 | |||
164 | serge | 1238 | align 4 |
1239 | intel_str db "GenuineIntel",0 |
||
1240 | AMD_str db "AuthenticAMD",0 |
||
1241 | endg |
||
1242 | |||
1243 | |||
1244 | align 16 |
||
1245 | irq_tab rd 16 |
||
1246 | |||
1247 | |||
1248 | |||
1249 | |||
1250 | |||
1251 | ipc_pdir rd 1 |
||
1252 | ipc_ptab rd 1 |
||
1253 | |||
1254 | |||
1255 | proc_mem_pdir rd 1 |
||
1256 | proc_mem_tab rd 1 |
||
1257 | |||
1258 | |||
1259 | tmp_task_ptab rd 1 |
||
1260 | tmp_task_data rd 1 |
||
1261 | |||
1262 | |||
1263 | fdd_buff rd 1 |
||
1264 | LFBSize rd 1 |
||
214 | serge | 1265 | |
164 | serge | 1266 | |
172 | serge | 1267 | ;;CPUID information |
164 | serge | 1268 | |
1269 | |||
1270 | cpu_sign rd 1 |
||
1271 | cpu_info rd 1 |
||
1272 | |||
1273 | |||
221 | serge | 1274 | |
1275 | |||
1276 | cur_saved_data rb 4096 |
||
1277 | |||
1278 | |||
1279 | cursor_map rd 2 |
||
1280 | cursor_start rd 1 |
||
1281 | cursor_end rd 1 |
||
1282 | |||
1283 | |||
1284 | |||
1285 | |||
1286 | scr_height rd 1 |
||
1287 | |||
1288 | |||
1289 | cur_saved_base rd 1 |
||
1290 | cur_saved_interl rd 1 |
||
1291 | cur_saved_w rd 1 |
||
1292 | cur_saved_h rd 1 |
||
1293 | |||
1294 | |||
164 | serge | 1295 | |
1296 | |||
1297 | align 16 |
||
1298 | |||
227 | serge | 1299 | |
164 | serge | 1300 | srv_tab rb 36*32 |
214 | serge | 1301 | mem_block_map rb 512 |
227 | serge | 1302 | event_map rb 128 |
1303 | mem_block_list rd 64 |
||
1304 | mem_block_mask rd 2 |
||
1305 | |||
1306 | |||
164 | serge | 1307 | srv_map rd 1 |
1308 | |||
1309 | |||
1310 | mem_block_arr rd 1 |
||
1311 | mem_block_start rd 1 |
||
1312 | mem_block_end rd 1 |
||
1313 | heap_size rd 1 |
||
170 | serge | 1314 | heap_free rd 1 |
1315 | heap_blocks rd 1 |
||
1316 | free_blocks rd 1 |
||
1317 | |||
164 | serge | 1318 | |
1319 | page_end rd 1 |
||
1320 | events rd 1 |
||
227 | serge | 1321 | event_start rd 1 |
1322 | event_end rd 1 |
||
1323 | |||
1324 | |||
164 | serge | 1325 | endg |
1326 | |||
1327 | |||
1328 | |||
1329 | ; push edx |
||
1330 | ; mov edx, 0x400 ;bocsh |
||
1331 | ; mov al,0xff ;bocsh |
||
1332 | ; out dx, al ;bocsh |
||
1333 | ; pop edx |
||
1334 | ; pop eax0>> |
||
1335 |