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Rev | Author | Line No. | Line |
---|---|---|---|
425 | victor | 1 | $Revision: 425 $ |
164 | serge | 2 | |
357 | serge | 3 | tmp_page_tab equ HEAP_BASE |
164 | serge | 4 | |
5 | align 4 |
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6 | proc mem_test |
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214 | serge | 7 | |
164 | serge | 8 | mov eax, cr0 |
212 | serge | 9 | and eax, not (CR0_CD+CR0_NW) |
214 | serge | 10 | or eax, CR0_CD ;disable caching |
164 | serge | 11 | mov cr0, eax |
214 | serge | 12 | wbinvd ;invalidate cache |
164 | serge | 13 | |
214 | serge | 14 | xor edi, edi |
164 | serge | 15 | mov ebx, 'TEST' |
16 | @@: |
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17 | add edi, 0x400000 |
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18 | xchg ebx, dword [edi] |
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19 | cmp dword [edi], 'TEST' |
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20 | xchg ebx, dword [edi] |
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21 | je @b |
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357 | serge | 22 | mov [MEM_AMOUNT], edi |
164 | serge | 23 | |
212 | serge | 24 | and eax, not (CR0_CD+CR0_NW) ;enable caching |
164 | serge | 25 | mov cr0, eax |
26 | mov eax, edi |
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214 | serge | 27 | mov [LFBSize], 0x00800000 |
164 | serge | 28 | ret |
29 | endp |
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30 | |||
31 | align 4 |
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357 | serge | 32 | proc init_mem |
33 | |||
34 | mov eax, [MEM_AMOUNT] |
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35 | |||
36 | mov [pg_data.mem_amount], eax |
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37 | mov [pg_data.kernel_max], eax |
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38 | |||
39 | shr eax, 12 |
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40 | mov edx, eax |
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41 | mov [pg_data.pages_count], eax |
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42 | mov [pg_data.kernel_pages], eax |
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43 | |||
44 | shr eax, 3 |
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45 | mov [pg_data.pagemap_size], eax |
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46 | |||
47 | shr edx, 10 |
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48 | cmp edx, 3 |
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49 | ja @f |
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50 | inc edx ;at least 4Mb for kernel heap |
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51 | @@: |
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52 | mov [pg_data.kernel_tables], edx |
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53 | |||
164 | serge | 54 | xor eax, eax |
55 | mov edi, sys_pgdir |
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56 | mov ecx, 2048 |
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357 | serge | 57 | cld |
164 | serge | 58 | rep stosd |
59 | |||
357 | serge | 60 | mov edx, sys_pgdir |
164 | serge | 61 | bt [cpu_caps], CAPS_PSE |
62 | jnc .no_PSE |
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63 | |||
64 | mov ebx, cr4 |
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65 | or ebx, CR4_PSE |
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66 | mov eax, PG_LARGE+PG_SW |
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67 | bt [cpu_caps], CAPS_PGE |
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68 | jnc @F |
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69 | or eax, PG_GLOBAL |
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70 | or ebx, CR4_PGE |
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71 | @@: |
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168 | serge | 72 | mov cr4, ebx |
357 | serge | 73 | sub [pg_data.kernel_tables], 2 |
168 | serge | 74 | |
357 | serge | 75 | mov [edx], eax |
164 | serge | 76 | add eax, 0x00400000 |
357 | serge | 77 | mov [edx+4], eax |
78 | add edx, 8 |
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164 | serge | 79 | |
357 | serge | 80 | mov eax, 0x800000+PG_SW |
81 | mov ecx, (HEAP_BASE-0x800000)/4096 |
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82 | jmp .map_low |
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164 | serge | 83 | .no_PSE: |
84 | mov eax, PG_SW |
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357 | serge | 85 | mov ecx, HEAP_BASE/4096 |
164 | serge | 86 | .map_low: |
357 | serge | 87 | mov edi, tmp_page_tab |
88 | @@: ; |
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89 | stosd |
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164 | serge | 90 | add eax, 0x1000 |
91 | dec ecx |
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357 | serge | 92 | jnz @B |
164 | serge | 93 | |
94 | mov ecx, [pg_data.kernel_tables] |
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357 | serge | 95 | shl ecx, 10 |
96 | xor eax, eax |
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97 | rep stosd |
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98 | |||
99 | mov ecx, [pg_data.kernel_tables] |
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164 | serge | 100 | mov eax, tmp_page_tab+PG_SW |
357 | serge | 101 | mov edi, edx |
164 | serge | 102 | |
103 | .map_kernel_tabs: |
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104 | |||
357 | serge | 105 | stosd |
164 | serge | 106 | add eax, 0x1000 |
107 | dec ecx |
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108 | jnz .map_kernel_tabs |
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109 | |||
378 | serge | 110 | mov dword [sys_pgdir+(page_tabs shr 20)], sys_pgdir+PG_SW |
164 | serge | 111 | ret |
112 | endp |
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113 | |||
114 | align 4 |
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115 | proc init_page_map |
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357 | serge | 116 | |
164 | serge | 117 | mov edi, sys_pgmap |
357 | serge | 118 | mov ecx, (HEAP_BASE/4096)/32 ;384/4 |
119 | mov ebx, ecx |
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164 | serge | 120 | xor eax,eax |
121 | cld |
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122 | rep stosd |
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123 | |||
124 | not eax |
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125 | mov ecx, [pg_data.pagemap_size] |
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357 | serge | 126 | sub ecx, ebx |
164 | serge | 127 | shr ecx, 2 |
128 | rep stosd |
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129 | |||
357 | serge | 130 | lea edi, [sys_pgmap+ebx*4] ;+384 |
164 | serge | 131 | mov edx, [pg_data.pages_count] |
132 | mov ecx, [pg_data.kernel_tables] |
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357 | serge | 133 | add ecx, (HEAP_BASE/4096) and 31 |
134 | sub edx, HEAP_BASE/4096 |
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164 | serge | 135 | sub edx, ecx |
136 | mov [pg_data.pages_free], edx |
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137 | |||
138 | xor eax, eax |
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139 | mov ebx, ecx |
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140 | shr ecx, 5 |
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141 | rep stosd |
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142 | |||
143 | not eax |
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144 | mov ecx, ebx |
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145 | and ecx, 31 |
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146 | shl eax, cl |
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357 | serge | 147 | mov [page_start], edi; sys_pgmap+384 |
164 | serge | 148 | stosd |
149 | |||
150 | mov ebx, sys_pgmap |
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151 | add ebx, [pg_data.pagemap_size] |
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152 | mov [page_end], ebx |
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153 | |||
154 | mov [pg_data.pg_mutex], 0 |
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155 | |||
156 | ret |
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157 | endp |
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158 | |||
159 | align 4 |
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160 | proc alloc_page |
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161 | |||
162 | pushfd |
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163 | cli |
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164 | mov ebx, [page_start] |
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165 | mov ecx, [page_end] |
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166 | .l1: |
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167 | bsf eax,[ebx]; |
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168 | jnz .found |
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169 | add ebx,4 |
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170 | cmp ebx, ecx |
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171 | jb .l1 |
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172 | popfd |
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173 | xor eax,eax |
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174 | ret |
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175 | .found: |
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176 | btr [ebx], eax |
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177 | mov [page_start],ebx |
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178 | sub ebx, sys_pgmap |
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254 | serge | 179 | lea eax, [eax+ebx*8] |
164 | serge | 180 | shl eax, 12 |
181 | dec [pg_data.pages_free] |
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182 | popfd |
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183 | ret |
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184 | endp |
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185 | |||
186 | align 4 |
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187 | proc alloc_pages stdcall, count:dword |
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188 | pushfd |
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189 | cli |
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190 | mov eax, [count] |
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191 | add eax, 7 |
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192 | shr eax, 3 |
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193 | mov [count], eax |
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194 | cmp eax, [pg_data.pages_free] |
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195 | ja .fail |
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196 | |||
197 | mov ecx, [page_start] |
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198 | mov ebx, [page_end] |
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199 | .find: |
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200 | mov edx, [count] |
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201 | mov edi, ecx |
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202 | .match: |
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203 | cmp byte [ecx], 0xFF |
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204 | jne .next |
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205 | dec edx |
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206 | jz .ok |
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207 | inc ecx |
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208 | cmp ecx,ebx |
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209 | jb .match |
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210 | .fail: xor eax, eax |
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211 | popfd |
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212 | ret |
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213 | .next: |
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214 | inc ecx |
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215 | cmp ecx, ebx |
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216 | jb .find |
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217 | popfd |
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218 | xor eax, eax |
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219 | ret |
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220 | .ok: |
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221 | sub ecx, edi |
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222 | inc ecx |
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223 | mov esi, edi |
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224 | xor eax, eax |
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225 | rep stosb |
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226 | sub esi, sys_pgmap |
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227 | shl esi, 3+12 |
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228 | mov eax, esi |
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229 | mov ebx, [count] |
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230 | shl ebx, 3 |
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231 | sub [pg_data.pages_free], ebx |
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232 | popfd |
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233 | ret |
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234 | endp |
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235 | |||
236 | align 4 |
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237 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
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321 | diamond | 238 | push ebx |
164 | serge | 239 | mov eax, [phis_addr] |
240 | and eax, not 0xFFF |
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241 | or eax, [flags] |
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242 | mov ebx, [lin_addr] |
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243 | shr ebx, 12 |
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365 | serge | 244 | mov [page_tabs+ebx*4], eax |
164 | serge | 245 | mov eax, [lin_addr] |
246 | invlpg [eax] |
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321 | diamond | 247 | pop ebx |
164 | serge | 248 | ret |
249 | endp |
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250 | |||
251 | align 4 |
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281 | serge | 252 | map_space: ;not implemented |
253 | |||
254 | |||
255 | ret |
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256 | |||
257 | |||
258 | align 4 |
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164 | serge | 259 | proc free_page |
260 | ;arg: eax page address |
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261 | pushfd |
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262 | cli |
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263 | shr eax, 12 ;page index |
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264 | mov ebx, sys_pgmap |
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265 | bts [ebx], eax ;that's all! |
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291 | serge | 266 | cmc |
328 | serge | 267 | adc [pg_data.pages_free], 0 |
164 | serge | 268 | shr eax, 3 |
269 | and eax, not 3 ;dword offset from page_map |
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270 | add eax, ebx |
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271 | cmp [page_start], eax |
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272 | ja @f |
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273 | popfd |
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274 | ret |
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275 | @@: |
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276 | mov [page_start], eax |
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277 | popfd |
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278 | ret |
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279 | endp |
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280 | |||
279 | serge | 281 | ; param |
328 | serge | 282 | ; eax= page base + page flags |
281 | serge | 283 | ; ebx= liear address |
284 | ; ecx= count |
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285 | |||
286 | align 4 |
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328 | serge | 287 | commit_pages: |
281 | serge | 288 | |
328 | serge | 289 | test ecx, ecx |
290 | jz .fail |
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281 | serge | 291 | |
328 | serge | 292 | mov edi, ebx |
293 | mov ebx, pg_data.pg_mutex |
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294 | call wait_mutex ;ebx |
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295 | |||
296 | mov edx, 0x1000 |
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297 | mov ebx, edi |
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298 | shr ebx, 12 |
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299 | @@: |
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365 | serge | 300 | mov [page_tabs+ebx*4], eax |
328 | serge | 301 | invlpg [edi] |
302 | add edi, edx |
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303 | add eax, edx |
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304 | inc ebx |
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305 | dec ecx |
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306 | jnz @B |
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307 | mov [pg_data.pg_mutex],ecx |
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308 | .fail: |
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281 | serge | 309 | ret |
310 | |||
328 | serge | 311 | |
281 | serge | 312 | ; param |
279 | serge | 313 | ; eax= base |
281 | serge | 314 | ; ecx= count |
279 | serge | 315 | |
164 | serge | 316 | align 4 |
279 | serge | 317 | release_pages: |
321 | diamond | 318 | |
319 | pushad |
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279 | serge | 320 | mov ebx, pg_data.pg_mutex |
321 | call wait_mutex ;ebx |
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322 | |||
323 | mov esi, eax |
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324 | mov edi, eax |
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325 | |||
326 | shr esi, 10 |
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365 | serge | 327 | add esi, page_tabs |
328 | serge | 328 | |
329 | mov ebp, [pg_data.pages_free] |
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279 | serge | 330 | mov ebx, [page_start] |
331 | mov edx, sys_pgmap |
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332 | @@: |
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333 | xor eax, eax |
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334 | xchg eax, [esi] |
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335 | invlpg [edi] |
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336 | |||
337 | test eax, 1 |
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338 | jz .next |
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339 | |||
340 | shr eax, 12 |
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341 | bts [edx], eax |
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291 | serge | 342 | cmc |
328 | serge | 343 | adc ebp, 0 |
279 | serge | 344 | shr eax, 3 |
345 | and eax, -4 |
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346 | add eax, edx |
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347 | cmp eax, ebx |
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348 | jae .next |
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349 | |||
350 | mov ebx, eax |
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351 | .next: |
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352 | add edi, 0x1000 |
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353 | add esi, 4 |
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354 | dec ecx |
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355 | jnz @B |
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328 | serge | 356 | mov [pg_data.pages_free], ebp |
279 | serge | 357 | and [pg_data.pg_mutex],0 |
321 | diamond | 358 | popad |
279 | serge | 359 | ret |
360 | |||
361 | align 4 |
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188 | serge | 362 | proc map_page_table stdcall, lin_addr:dword, phis_addr:dword |
321 | diamond | 363 | push ebx |
164 | serge | 364 | mov ebx, [lin_addr] |
365 | shr ebx, 22 |
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366 | mov eax, [phis_addr] |
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367 | and eax, not 0xFFF |
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368 | or eax, PG_UW ;+PG_NOCACHE |
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378 | serge | 369 | mov dword [master_tab+ebx*4], eax |
164 | serge | 370 | mov eax, [lin_addr] |
371 | shr eax, 10 |
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365 | serge | 372 | add eax, page_tabs |
164 | serge | 373 | invlpg [eax] |
321 | diamond | 374 | pop ebx |
164 | serge | 375 | ret |
376 | endp |
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377 | |||
378 | align 4 |
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379 | proc init_LFB |
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378 | serge | 380 | locals |
381 | pg_count dd ? |
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382 | endl |
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383 | |||
164 | serge | 384 | cmp dword [LFBAddress], -1 |
385 | jne @f |
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412 | serge | 386 | mov [BOOT_VAR+0x901c],byte 2 |
164 | serge | 387 | stdcall kernel_alloc, 0x280000 |
388 | mov [LFBAddress], eax |
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389 | ret |
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390 | @@: |
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391 | test [SCR_MODE],word 0100000000000000b |
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211 | serge | 392 | jnz @f |
412 | serge | 393 | mov [BOOT_VAR+0x901c],byte 2 |
211 | serge | 394 | ret |
395 | @@: |
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378 | serge | 396 | mov edx, LFB_BASE |
397 | mov esi, [LFBAddress] |
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164 | serge | 398 | mov edi, [LFBSize] |
379 | serge | 399 | mov dword [exp_lfb+4], edx |
214 | serge | 400 | |
164 | serge | 401 | shr edi, 12 |
402 | mov [pg_count], edi |
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403 | shr edi, 10 |
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404 | |||
405 | bt [cpu_caps], CAPS_PSE |
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406 | jnc .map_page_tables |
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407 | or esi, PG_LARGE+PG_UW |
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378 | serge | 408 | shr edx, 20 |
409 | mov ecx, edx |
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164 | serge | 410 | @@: |
378 | serge | 411 | mov [sys_pgdir+edx], esi |
412 | add edx, 4 |
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164 | serge | 413 | add esi, 0x00400000 |
414 | dec edi |
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415 | jnz @B |
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416 | |||
207 | serge | 417 | bt [cpu_caps], CAPS_PGE |
418 | jnc @F |
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164 | serge | 419 | or dword [sys_pgdir+ecx], PG_GLOBAL |
207 | serge | 420 | @@: |
378 | serge | 421 | mov dword [LFBAddress], LFB_BASE |
164 | serge | 422 | mov eax, cr3 ;flush TLB |
423 | mov cr3, eax |
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424 | ret |
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425 | |||
426 | .map_page_tables: |
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427 | |||
428 | call alloc_page |
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378 | serge | 429 | stdcall map_page_table, edx, eax |
389 | serge | 430 | add edx, 0x00400000 |
164 | serge | 431 | dec edi |
389 | serge | 432 | jnz .map_page_tables |
164 | serge | 433 | |
434 | mov eax, [LFBAddress] |
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378 | serge | 435 | mov edi, page_tabs + (LFB_BASE shr 10) |
164 | serge | 436 | or eax, PG_UW |
437 | mov ecx, [pg_count] |
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378 | serge | 438 | cld |
389 | serge | 439 | @@: |
440 | stosd |
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441 | add eax, 0x1000 |
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442 | dec ecx |
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443 | jnz @B |
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164 | serge | 444 | |
378 | serge | 445 | mov dword [LFBAddress], LFB_BASE |
164 | serge | 446 | mov eax, cr3 ;flush TLB |
447 | mov cr3, eax |
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448 | |||
449 | ret |
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450 | endp |
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451 | |||
452 | align 4 |
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453 | proc new_mem_resize stdcall, new_size:dword |
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454 | |||
276 | serge | 455 | mov ebx, pg_data.pg_mutex |
456 | call wait_mutex ;ebx |
||
164 | serge | 457 | |
458 | mov edi, [new_size] |
||
459 | add edi,4095 |
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460 | and edi,not 4095 |
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461 | mov [new_size], edi |
||
462 | |||
463 | mov edx,[CURRENT_TASK] |
||
464 | shl edx,8 |
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380 | serge | 465 | cmp [SLOT_BASE+APPDATA.heap_base+edx],0 |
172 | serge | 466 | jne .exit |
467 | |||
380 | serge | 468 | mov esi, [SLOT_BASE+APPDATA.mem_size+edx] |
164 | serge | 469 | add esi, 4095 |
470 | and esi, not 4095 |
||
471 | |||
472 | cmp edi, esi |
||
473 | jae .expand |
||
474 | |||
475 | shr edi, 12 |
||
476 | shr esi, 12 |
||
477 | @@: |
||
378 | serge | 478 | mov eax, [app_page_tabs+edi*4] |
164 | serge | 479 | test eax, 1 |
480 | jz .next |
||
378 | serge | 481 | mov dword [app_page_tabs+edi*4], 2 |
164 | serge | 482 | mov ebx, edi |
483 | shl ebx, 12 |
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484 | invlpg [ebx+std_application_base_address] |
||
485 | call free_page |
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486 | |||
487 | .next: add edi, 1 |
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488 | cmp edi, esi |
||
489 | jb @B |
||
490 | |||
491 | .update_size: |
||
294 | diamond | 492 | mov ebx, [new_size] |
493 | call update_mem_size |
||
164 | serge | 494 | |
495 | xor eax, eax |
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496 | dec [pg_data.pg_mutex] |
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497 | ret |
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498 | |||
499 | .expand: |
||
500 | add edi, new_app_base |
||
501 | add esi, new_app_base |
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502 | |||
503 | push esi |
||
504 | push edi |
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505 | |||
506 | add edi, 0x3FFFFF |
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507 | and edi, not(0x3FFFFF) |
||
508 | add esi, 0x3FFFFF |
||
509 | and esi, not(0x3FFFFF) |
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510 | |||
511 | cmp esi, edi |
||
512 | jae .grow |
||
513 | |||
514 | xchg esi, edi |
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515 | |||
516 | @@: |
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517 | call alloc_page |
||
518 | test eax, eax |
||
519 | jz .exit |
||
520 | |||
188 | serge | 521 | stdcall map_page_table, edi, eax |
164 | serge | 522 | |
523 | push edi |
||
524 | shr edi, 10 |
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365 | serge | 525 | add edi, page_tabs |
164 | serge | 526 | mov ecx, 1024 |
527 | xor eax, eax |
||
528 | cld |
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529 | rep stosd |
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530 | pop edi |
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531 | |||
532 | add edi, 0x00400000 |
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533 | cmp edi, esi |
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534 | jb @B |
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535 | .grow: |
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536 | pop edi |
||
537 | pop esi |
||
538 | @@: |
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539 | call alloc_page |
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540 | test eax, eax |
||
541 | jz .exit |
||
542 | stdcall map_page,esi,eax,dword PG_UW |
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543 | |||
544 | push edi |
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545 | mov edi, esi |
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546 | xor eax, eax |
||
547 | mov ecx, 1024 |
||
548 | cld |
||
549 | rep stosd |
||
550 | pop edi |
||
551 | |||
552 | add esi, 0x1000 |
||
553 | cmp esi, edi |
||
294 | diamond | 554 | jb @B |
164 | serge | 555 | |
556 | jmp .update_size |
||
557 | .exit: |
||
558 | xor eax, eax |
||
559 | inc eax |
||
560 | dec [pg_data.pg_mutex] |
||
561 | ret |
||
562 | endp |
||
563 | |||
294 | diamond | 564 | update_mem_size: |
565 | ; in: edx = slot shl 8 |
||
566 | ; ebx = new memory size |
||
567 | ; destroys eax,ecx,edx |
||
568 | |||
380 | serge | 569 | mov [SLOT_BASE+APPDATA.mem_size+edx],ebx |
294 | diamond | 570 | ;search threads and update |
571 | ;application memory size infomation |
||
380 | serge | 572 | mov ecx,[SLOT_BASE+APPDATA.dir_table+edx] |
294 | diamond | 573 | mov eax,2 |
574 | |||
575 | .search_threads: |
||
576 | ;eax = current slot |
||
577 | ;ebx = new memory size |
||
578 | ;ecx = page directory |
||
579 | cmp eax,[TASK_COUNT] |
||
580 | jg .search_threads_end |
||
581 | mov edx,eax |
||
582 | shl edx,5 |
||
583 | cmp word [CURRENT_TASK+edx+TASKDATA.state],9 ;if slot empty? |
||
584 | jz .search_threads_next |
||
585 | shl edx,3 |
||
380 | serge | 586 | cmp [SLOT_BASE+edx+APPDATA.dir_table],ecx ;if it is our thread? |
294 | diamond | 587 | jnz .search_threads_next |
380 | serge | 588 | mov [SLOT_BASE+edx+APPDATA.mem_size],ebx ;update memory size |
294 | diamond | 589 | .search_threads_next: |
590 | inc eax |
||
591 | jmp .search_threads |
||
592 | .search_threads_end: |
||
593 | ret |
||
594 | |||
285 | serge | 595 | ; param |
596 | ; eax= linear address |
||
597 | ; |
||
598 | ; retval |
||
599 | ; eax= phisical page address |
||
600 | |||
164 | serge | 601 | align 4 |
285 | serge | 602 | get_pg_addr: |
603 | shr eax, 12 |
||
365 | serge | 604 | mov eax, [page_tabs+eax*4] |
164 | serge | 605 | and eax, 0xFFFFF000 |
606 | ret |
||
607 | |||
188 | serge | 608 | align 4 |
164 | serge | 609 | proc page_fault_handler |
610 | pushad |
||
611 | |||
612 | mov ebp, esp |
||
613 | mov eax, cr2 |
||
172 | serge | 614 | push eax |
164 | serge | 615 | push ds |
188 | serge | 616 | push es |
164 | serge | 617 | |
618 | mov ax, 0x10 |
||
619 | mov ds, ax |
||
188 | serge | 620 | mov es, ax |
164 | serge | 621 | |
188 | serge | 622 | inc [pg_data.pages_faults] |
623 | |||
164 | serge | 624 | mov ebx, [ebp-4] |
625 | |||
378 | serge | 626 | cmp ebx, 0x80000000 |
164 | serge | 627 | jae .user_space |
628 | |||
378 | serge | 629 | cmp ebx, app_page_tabs |
188 | serge | 630 | jae .alloc |
631 | |||
378 | serge | 632 | cmp ebx, page_tabs |
164 | serge | 633 | jae .tab_space |
634 | |||
378 | serge | 635 | cmp ebx, 0x7DC00000 |
636 | jae .lfb_addr |
||
637 | |||
164 | serge | 638 | jmp .kernel_space |
639 | |||
640 | .user_space: |
||
641 | shr ebx, 12 |
||
172 | serge | 642 | mov ecx, ebx |
643 | shr ecx, 10 |
||
644 | mov edx, [master_tab+ecx*4] |
||
645 | test edx, 1 |
||
646 | jz .fail |
||
647 | |||
365 | serge | 648 | mov eax, [page_tabs+ebx*4] |
164 | serge | 649 | test eax, 2 |
172 | serge | 650 | jz .fail |
188 | serge | 651 | .alloc: |
164 | serge | 652 | call alloc_page |
653 | and eax, eax |
||
654 | jz .exit |
||
655 | |||
656 | stdcall map_page,[ebp-4],eax,dword PG_UW |
||
657 | |||
188 | serge | 658 | mov edi, [ebp-4] |
659 | and edi, 0xFFFFF000 |
||
164 | serge | 660 | mov ecx, 1024 |
661 | xor eax, eax |
||
188 | serge | 662 | cld |
663 | rep stosd |
||
164 | serge | 664 | .exit: |
188 | serge | 665 | pop es |
164 | serge | 666 | pop ds |
667 | mov esp, ebp |
||
668 | popad |
||
669 | add esp, 4 |
||
670 | iretd |
||
172 | serge | 671 | .fail: |
188 | serge | 672 | pop es |
172 | serge | 673 | pop ds |
674 | mov esp, ebp |
||
675 | popad |
||
676 | add esp, 4 |
||
164 | serge | 677 | |
172 | serge | 678 | save_ring3_context ;debugger support |
679 | |||
680 | mov bl, 14 |
||
681 | jmp exc_c |
||
682 | iretd |
||
683 | |||
164 | serge | 684 | .kernel_space: |
188 | serge | 685 | ; shr ebx, 12 |
365 | serge | 686 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 687 | ; shr ebx, 10 |
688 | ; mov eax, [master_tab+ebx*4] |
||
689 | jmp .exit |
||
164 | serge | 690 | .old_addr: |
188 | serge | 691 | ; shr ebx, 12 |
365 | serge | 692 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 693 | ; shr ebx, 10 |
694 | ; mov eax, [master_tab+ebx*4] |
||
695 | jmp .exit |
||
164 | serge | 696 | .lfb_addr: |
188 | serge | 697 | ; shr ebx, 22 |
698 | ; ;mov ecx, [sys_page_dir] |
||
699 | ; mov eax, [master_tab+ebx*4] |
||
700 | jmp .exit |
||
164 | serge | 701 | .tab_space: |
188 | serge | 702 | ; shr ebx, 12 |
365 | serge | 703 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 704 | ; shr ebx, 10 |
705 | ; ;mov ecx, [sys_page_dir] |
||
706 | ; mov eax, [master_tab+ebx*4] |
||
707 | jmp .exit |
||
164 | serge | 708 | endp |
709 | |||
710 | align 4 |
||
711 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
712 | ofs:dword,buf_size:dword |
||
713 | mov eax, [buf_size] |
||
714 | test eax, eax |
||
715 | jz .exit |
||
716 | |||
717 | mov eax, [pdir] |
||
718 | and eax, 0xFFFFF000 |
||
719 | |||
720 | stdcall map_page,[ipc_pdir],eax,dword PG_UW |
||
721 | mov ebx, [ofs] |
||
722 | shr ebx, 22 |
||
723 | mov esi, [ipc_pdir] |
||
724 | mov edi, [ipc_ptab] |
||
725 | mov eax, [esi+ebx*4] |
||
726 | and eax, 0xFFFFF000 |
||
727 | test eax, eax |
||
728 | jz .exit |
||
729 | stdcall map_page,edi,eax,dword PG_UW |
||
730 | ; inc ebx |
||
731 | ; add edi, 0x1000 |
||
732 | ; mov eax, [esi+ebx*4] |
||
733 | ; test eax, eax |
||
734 | ; jz @f |
||
735 | ; and eax, 0xFFFFF000 |
||
736 | ; stdcall map_page, edi, eax |
||
737 | |||
738 | @@: mov edi, [lin_addr] |
||
739 | and edi, 0xFFFFF000 |
||
740 | mov ecx, [buf_size] |
||
741 | add ecx, 4095 |
||
742 | shr ecx, 12 |
||
743 | inc ecx |
||
744 | |||
745 | mov edx, [ofs] |
||
746 | shr edx, 12 |
||
747 | and edx, 0x3FF |
||
748 | mov esi, [ipc_ptab] |
||
749 | |||
750 | .map: mov eax, [esi+edx*4] |
||
751 | and eax, 0xFFFFF000 |
||
752 | test eax, eax |
||
753 | jz .exit |
||
754 | stdcall map_page,edi,eax,dword PG_UW |
||
755 | add edi, 0x1000 |
||
756 | inc edx |
||
757 | dec ecx |
||
758 | jnz .map |
||
759 | |||
760 | .exit: |
||
761 | ret |
||
762 | endp |
||
763 | |||
764 | align 4 |
||
765 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
766 | ofs:dword,buf_size:dword |
||
767 | mov eax, [buf_size] |
||
768 | test eax, eax |
||
769 | jz .exit |
||
770 | |||
771 | mov eax, [pdir] |
||
772 | and eax, 0xFFFFF000 |
||
773 | |||
774 | stdcall map_page,[proc_mem_pdir],eax,dword PG_UW |
||
775 | mov ebx, [ofs] |
||
776 | shr ebx, 22 |
||
777 | mov esi, [proc_mem_pdir] |
||
778 | mov edi, [proc_mem_tab] |
||
779 | mov eax, [esi+ebx*4] |
||
780 | and eax, 0xFFFFF000 |
||
781 | test eax, eax |
||
782 | jz .exit |
||
783 | stdcall map_page,edi,eax,dword PG_UW |
||
784 | |||
785 | @@: mov edi, [lin_addr] |
||
786 | and edi, 0xFFFFF000 |
||
787 | mov ecx, [buf_size] |
||
788 | add ecx, 4095 |
||
789 | shr ecx, 12 |
||
790 | inc ecx |
||
791 | |||
792 | mov edx, [ofs] |
||
793 | shr edx, 12 |
||
794 | and edx, 0x3FF |
||
795 | mov esi, [proc_mem_tab] |
||
796 | |||
797 | .map: mov eax, [esi+edx*4] |
||
798 | ; and eax, 0xFFFFF000 |
||
799 | ; test eax, eax |
||
800 | ; jz .exit |
||
801 | stdcall map_page,edi,eax,dword PG_UW |
||
802 | add edi, 0x1000 |
||
803 | inc edx |
||
804 | dec ecx |
||
805 | jnz .map |
||
806 | .exit: |
||
807 | ret |
||
808 | endp |
||
809 | |||
810 | |||
811 | |||
812 | |||
813 | sys_IPC: |
||
814 | ;input: |
||
815 | ; eax=1 - set ipc buffer area |
||
816 | ; ebx=address of buffer |
||
817 | ; ecx=size of buffer |
||
818 | ; eax=2 - send message |
||
819 | ; ebx=PID |
||
820 | ; ecx=address of message |
||
821 | ; edx=size of message |
||
822 | |||
823 | cmp eax,1 |
||
824 | jne @f |
||
825 | call set_ipc_buff |
||
826 | mov [esp+36], eax |
||
827 | ret |
||
828 | @@: |
||
829 | cmp eax, 2 |
||
830 | jne @f |
||
831 | stdcall sys_ipc_send, ebx, ecx, edx |
||
832 | mov [esp+36], eax |
||
833 | ret |
||
834 | @@: |
||
835 | xor eax, eax |
||
836 | not eax |
||
837 | mov [esp+36], eax |
||
838 | ret |
||
839 | |||
840 | align 4 |
||
841 | proc set_ipc_buff |
||
842 | |||
843 | mov eax,[CURRENT_TASK] |
||
844 | shl eax,8 |
||
380 | serge | 845 | add eax, SLOT_BASE |
164 | serge | 846 | pushf |
847 | cli |
||
848 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
849 | mov [eax+0xA4],ecx |
||
850 | |||
851 | add ebx, new_app_base |
||
852 | add ecx, ebx |
||
853 | add ecx, 4095 |
||
854 | and ecx, not 4095 |
||
855 | |||
856 | .touch: mov eax, [ebx] |
||
857 | add ebx, 0x1000 |
||
858 | cmp ebx, ecx |
||
859 | jna .touch |
||
860 | |||
861 | popf |
||
862 | xor eax, eax |
||
863 | ret |
||
864 | endp |
||
865 | |||
866 | proc sys_ipc_send stdcall, PID:dword, msg_addr:dword, msg_size:dword |
||
867 | locals |
||
868 | dst_slot dd ? |
||
869 | dst_offset dd ? |
||
870 | buf_size dd ? |
||
871 | endl |
||
872 | |||
873 | pushf |
||
874 | cli |
||
875 | |||
876 | mov eax, [PID] |
||
877 | call pid_to_slot |
||
878 | test eax,eax |
||
879 | jz .no_pid |
||
880 | |||
881 | mov [dst_slot], eax |
||
882 | shl eax,8 |
||
380 | serge | 883 | mov edi,[eax+SLOT_BASE+0xa0] ;is ipc area defined? |
164 | serge | 884 | test edi,edi |
885 | jz .no_ipc_area |
||
886 | |||
887 | mov ebx, edi |
||
888 | add edi, new_app_base |
||
889 | and ebx, 0xFFF |
||
890 | mov [dst_offset], ebx |
||
891 | |||
380 | serge | 892 | mov esi, [eax+SLOT_BASE+0xa4] |
164 | serge | 893 | mov [buf_size], esi |
894 | |||
380 | serge | 895 | stdcall map_mem, [ipc_tmp], [SLOT_BASE+eax+0xB8],\ |
164 | serge | 896 | edi, esi |
897 | |||
898 | mov edi, [dst_offset] |
||
899 | add edi, [ipc_tmp] |
||
900 | cmp dword [edi], 0 |
||
901 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
227 | serge | 902 | |
164 | serge | 903 | mov ebx, dword [edi+4] |
904 | mov edx, ebx |
||
905 | add ebx, 8 |
||
906 | add ebx, [msg_size] |
||
907 | cmp ebx, [buf_size] |
||
908 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
227 | serge | 909 | |
164 | serge | 910 | mov dword [edi+4], ebx |
911 | mov eax,[TASK_BASE] |
||
912 | mov eax, [eax+0x04] ;eax - our PID |
||
913 | mov edi, [dst_offset] |
||
914 | add edi, [ipc_tmp] |
||
915 | add edi, edx |
||
916 | mov [edi], eax |
||
917 | mov ecx, [msg_size] |
||
918 | |||
919 | mov [edi+4], ecx |
||
920 | add edi, 8 |
||
921 | mov esi, [msg_addr] |
||
922 | add esi, new_app_base |
||
923 | cld |
||
924 | rep movsb |
||
925 | |||
926 | mov ebx, [ipc_tmp] |
||
927 | mov edx, ebx |
||
928 | shr ebx, 12 |
||
929 | xor eax, eax |
||
365 | serge | 930 | mov [page_tabs+ebx*4], eax |
164 | serge | 931 | invlpg [edx] |
932 | |||
933 | mov ebx, [ipc_pdir] |
||
934 | mov edx, ebx |
||
935 | shr ebx, 12 |
||
936 | xor eax, eax |
||
365 | serge | 937 | mov [page_tabs+ebx*4], eax |
164 | serge | 938 | invlpg [edx] |
939 | |||
940 | mov ebx, [ipc_ptab] |
||
941 | mov edx, ebx |
||
942 | shr ebx, 12 |
||
943 | xor eax, eax |
||
365 | serge | 944 | mov [page_tabs+ebx*4], eax |
164 | serge | 945 | invlpg [edx] |
946 | |||
947 | mov eax, [dst_slot] |
||
948 | shl eax, 8 |
||
380 | serge | 949 | or [eax+SLOT_BASE+0xA8],dword 0x40 |
164 | serge | 950 | cmp dword [check_idle_semaphore],20 |
951 | jge .ipc_no_cis |
||
952 | |||
953 | mov dword [check_idle_semaphore],5 |
||
954 | .ipc_no_cis: |
||
955 | popf |
||
956 | xor eax, eax |
||
957 | ret |
||
958 | .no_pid: |
||
959 | popf |
||
960 | mov eax, 4 |
||
961 | ret |
||
962 | .no_ipc_area: |
||
963 | popf |
||
964 | xor eax, eax |
||
965 | inc eax |
||
966 | ret |
||
967 | .ipc_blocked: |
||
968 | popf |
||
969 | mov eax, 2 |
||
970 | ret |
||
971 | .buffer_overflow: |
||
972 | popf |
||
973 | mov eax, 3 |
||
974 | ret |
||
975 | endp |
||
976 | |||
977 | align 4 |
||
170 | serge | 978 | sysfn_meminfo: |
164 | serge | 979 | |
170 | serge | 980 | add ebx, new_app_base |
172 | serge | 981 | cmp ebx, new_app_base |
982 | jb .fail |
||
983 | |||
164 | serge | 984 | mov eax, [pg_data.pages_count] |
170 | serge | 985 | mov [ebx], eax |
172 | serge | 986 | shl eax, 12 |
987 | mov [esp+36], eax |
||
170 | serge | 988 | mov ecx, [pg_data.pages_free] |
989 | mov [ebx+4], ecx |
||
990 | mov edx, [pg_data.pages_faults] |
||
991 | mov [ebx+8], edx |
||
992 | mov esi, [heap_size] |
||
993 | mov [ebx+12], esi |
||
994 | mov edi, [heap_free] |
||
995 | mov [ebx+16], edi |
||
996 | mov eax, [heap_blocks] |
||
997 | mov [ebx+20], eax |
||
998 | mov ecx, [free_blocks] |
||
999 | mov [ebx+24], ecx |
||
164 | serge | 1000 | ret |
172 | serge | 1001 | .fail: |
1002 | mov dword [esp+36], -1 |
||
1003 | ret |
||
164 | serge | 1004 | |
1005 | align 4 |
||
1006 | new_services: |
||
1007 | |||
1008 | cmp eax,4 |
||
1009 | jle sys_sheduler |
||
1010 | |||
170 | serge | 1011 | cmp eax, 11 |
164 | serge | 1012 | jb .fail |
1013 | ja @f |
||
1014 | |||
188 | serge | 1015 | call init_heap |
164 | serge | 1016 | mov [esp+36], eax |
1017 | ret |
||
1018 | @@: |
||
1019 | cmp eax, 12 |
||
1020 | ja @f |
||
1021 | |||
1022 | stdcall user_alloc, ebx |
||
1023 | mov [esp+36], eax |
||
1024 | ret |
||
1025 | @@: |
||
1026 | cmp eax, 13 |
||
1027 | ja @f |
||
188 | serge | 1028 | add ebx, new_app_base |
164 | serge | 1029 | stdcall user_free, ebx |
1030 | mov [esp+36], eax |
||
1031 | ret |
||
1032 | @@: |
||
1033 | cmp eax, 14 |
||
1034 | ja @f |
||
227 | serge | 1035 | add ebx, new_app_base |
172 | serge | 1036 | cmp ebx, new_app_base |
1037 | jb .fail |
||
227 | serge | 1038 | stdcall get_event_ex, ebx, ecx |
1039 | mov [esp+36], eax |
||
164 | serge | 1040 | ret |
1041 | @@: |
||
1042 | cmp eax, 15 |
||
1043 | ja @f |
||
1044 | mov ecx, [CURRENT_TASK] |
||
1045 | shl ecx, 8 |
||
380 | serge | 1046 | mov eax, [ecx+SLOT_BASE+APPDATA.fpu_handler] |
1047 | mov [ecx+SLOT_BASE+APPDATA.fpu_handler], ebx |
||
164 | serge | 1048 | mov [esp+36], eax |
1049 | ret |
||
1050 | @@: |
||
1051 | cmp eax, 16 |
||
1052 | ja @f |
||
1053 | |||
188 | serge | 1054 | test ebx, ebx |
1055 | jz .fail |
||
164 | serge | 1056 | add ebx, new_app_base |
172 | serge | 1057 | cmp ebx, new_app_base |
1058 | jb .fail |
||
164 | serge | 1059 | stdcall get_service, ebx |
1060 | mov [esp+36], eax |
||
1061 | ret |
||
1062 | @@: |
||
1063 | cmp eax, 17 |
||
1064 | ja @f |
||
378 | serge | 1065 | call srv_handlerEx ;ebx |
164 | serge | 1066 | mov [esp+36], eax |
1067 | ret |
||
168 | serge | 1068 | @@: |
1069 | cmp eax, 18 |
||
1070 | ja @f |
||
1071 | mov ecx, [CURRENT_TASK] |
||
1072 | shl ecx, 8 |
||
380 | serge | 1073 | mov eax, [ecx+SLOT_BASE+APPDATA.sse_handler] |
1074 | mov [ecx+SLOT_BASE+APPDATA.sse_handler], ebx |
||
168 | serge | 1075 | mov [esp+36], eax |
1076 | ret |
||
164 | serge | 1077 | @@: |
198 | serge | 1078 | cmp eax, 19 |
227 | serge | 1079 | ja .fail |
198 | serge | 1080 | add ebx, new_app_base |
1081 | cmp ebx, new_app_base |
||
1082 | jb .fail |
||
1083 | stdcall load_library, ebx |
||
1084 | mov [esp+36], eax |
||
1085 | ret |
||
227 | serge | 1086 | |
164 | serge | 1087 | .fail: |
1088 | xor eax, eax |
||
1089 | mov [esp+36], eax |
||
1090 | ret |
||
1091 | |||
1092 | align 4 |
||
1093 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1094 | |||
1095 | mov ecx,[count] |
||
1096 | jecxz .end |
||
1097 | |||
1098 | mov ebx,ecx |
||
1099 | |||
1100 | mov edi,[str1] |
||
1101 | mov esi,edi |
||
1102 | xor eax,eax |
||
1103 | repne scasb |
||
1104 | neg ecx ; cx = count - strlen |
||
1105 | add ecx,ebx ; strlen + count - strlen |
||
1106 | |||
1107 | .okay: |
||
1108 | mov edi,esi |
||
1109 | mov esi,[str2] |
||
1110 | repe cmpsb |
||
1111 | mov al,[esi-1] |
||
1112 | xor ecx,ecx |
||
1113 | |||
1114 | cmp al,[edi-1] |
||
1115 | ja .str2_big |
||
1116 | je .end |
||
1117 | |||
1118 | .str1_big: |
||
1119 | sub ecx,2 |
||
1120 | |||
1121 | .str2_big: |
||
1122 | not ecx |
||
1123 | .end: |
||
1124 | mov eax,ecx |
||
1125 | ret |
||
1126 | endp |
||
1127 | |||
1128 | align 4 |
||
1129 | proc test_cpu |
||
1130 | locals |
||
166 | serge | 1131 | cpu_type dd ? |
1132 | cpu_id dd ? |
||
1133 | cpu_Intel dd ? |
||
1134 | cpu_AMD dd ? |
||
164 | serge | 1135 | endl |
1136 | |||
1137 | mov [cpu_type], 0 |
||
211 | serge | 1138 | xor eax, eax |
1139 | mov [cpu_caps], eax |
||
1140 | mov [cpu_caps+4], eax |
||
164 | serge | 1141 | |
1142 | pushfd |
||
1143 | pop eax |
||
1144 | mov ecx, eax |
||
1145 | xor eax, 0x40000 |
||
1146 | push eax |
||
1147 | popfd |
||
1148 | pushfd |
||
1149 | pop eax |
||
1150 | xor eax, ecx |
||
1151 | mov [cpu_type], CPU_386 |
||
221 | serge | 1152 | jz .end_cpuid |
164 | serge | 1153 | push ecx |
1154 | popfd |
||
1155 | |||
1156 | mov [cpu_type], CPU_486 |
||
1157 | mov eax, ecx |
||
1158 | xor eax, 0x200000 |
||
1159 | push eax |
||
1160 | popfd |
||
1161 | pushfd |
||
1162 | pop eax |
||
1163 | xor eax, ecx |
||
221 | serge | 1164 | je .end_cpuid |
164 | serge | 1165 | mov [cpu_id], 1 |
1166 | |||
1167 | xor eax, eax |
||
1168 | cpuid |
||
1169 | mov [cpu_vendor], ebx |
||
1170 | mov [cpu_vendor+4], edx |
||
1171 | mov [cpu_vendor+8], ecx |
||
1172 | cmp ebx, dword [intel_str] |
||
1173 | jne .check_AMD |
||
1174 | cmp edx, dword [intel_str+4] |
||
1175 | jne .check_AMD |
||
1176 | cmp ecx, dword [intel_str+8] |
||
1177 | jne .check_AMD |
||
1178 | mov [cpu_Intel], 1 |
||
1179 | cmp eax, 1 |
||
1180 | jl .end_cpuid |
||
1181 | mov eax, 1 |
||
1182 | cpuid |
||
1183 | mov [cpu_sign], eax |
||
1184 | mov [cpu_info], ebx |
||
1185 | mov [cpu_caps], edx |
||
1186 | mov [cpu_caps+4],ecx |
||
1187 | |||
1188 | shr eax, 8 |
||
1189 | and eax, 0x0f |
||
1190 | ret |
||
1191 | .end_cpuid: |
||
1192 | mov eax, [cpu_type] |
||
1193 | ret |
||
1194 | |||
1195 | .check_AMD: |
||
1196 | cmp ebx, dword [AMD_str] |
||
221 | serge | 1197 | jne .unknown |
164 | serge | 1198 | cmp edx, dword [AMD_str+4] |
221 | serge | 1199 | jne .unknown |
164 | serge | 1200 | cmp ecx, dword [AMD_str+8] |
221 | serge | 1201 | jne .unknown |
164 | serge | 1202 | mov [cpu_AMD], 1 |
1203 | cmp eax, 1 |
||
221 | serge | 1204 | jl .unknown |
164 | serge | 1205 | mov eax, 1 |
1206 | cpuid |
||
1207 | mov [cpu_sign], eax |
||
1208 | mov [cpu_info], ebx |
||
1209 | mov [cpu_caps], edx |
||
1210 | mov [cpu_caps+4],ecx |
||
1211 | shr eax, 8 |
||
1212 | and eax, 0x0f |
||
1213 | ret |
||
221 | serge | 1214 | .unknown: |
1215 | mov eax, 1 |
||
1216 | cpuid |
||
1217 | mov [cpu_sign], eax |
||
1218 | mov [cpu_info], ebx |
||
1219 | mov [cpu_caps], edx |
||
1220 | mov [cpu_caps+4],ecx |
||
1221 | shr eax, 8 |
||
1222 | and eax, 0x0f |
||
1223 | ret |
||
164 | serge | 1224 | endp |
1225 | |||
1226 | MEM_WB equ 6 ;write-back memory |
||
1227 | MEM_WC equ 1 ;write combined memory |
||
1228 | MEM_UC equ 0 ;uncached memory |
||
1229 | |||
1230 | align 4 |
||
1231 | proc init_mtrr |
||
1232 | |||
412 | serge | 1233 | cmp [BOOT_VAR+0x901c],byte 2 |
164 | serge | 1234 | je .exit |
1235 | |||
211 | serge | 1236 | bt [cpu_caps], CAPS_MTRR |
1237 | jnc .exit |
||
1238 | |||
164 | serge | 1239 | mov eax, cr0 |
1240 | or eax, 0x60000000 ;disable caching |
||
1241 | mov cr0, eax |
||
1242 | wbinvd ;invalidate cache |
||
1243 | |||
1244 | mov ecx, 0x2FF |
||
1245 | rdmsr ; |
||
1246 | push eax |
||
1247 | |||
1248 | xor edx, edx |
||
1249 | xor eax, eax |
||
1250 | mov ecx, 0x2FF |
||
1251 | wrmsr ;disable all MTRR |
||
1252 | |||
1253 | stdcall set_mtrr, dword 0,dword 0,[MEM_AMOUNT],MEM_WB |
||
1254 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1255 | xor edx, edx |
||
1256 | xor eax, eax |
||
1257 | mov ecx, 0x204 |
||
1258 | mov ebx, 6 |
||
1259 | @@: |
||
1260 | wrmsr ;disable unused MTRR |
||
1261 | inc ecx |
||
1262 | wrmsr |
||
1263 | inc ecx |
||
1264 | dec ebx |
||
1265 | jnz @b |
||
1266 | |||
1267 | wbinvd ;again invalidate |
||
1268 | |||
1269 | pop eax |
||
1270 | or eax, 0x800 ;set default memtype to UC |
||
1271 | and al, 0xF0 |
||
1272 | mov ecx, 0x2FF |
||
1273 | wrmsr ;and enable MTRR |
||
1274 | |||
1275 | mov eax, cr0 |
||
1276 | and eax, not 0x60000000 |
||
1277 | mov cr0, eax ; enable caching |
||
1278 | .exit: |
||
1279 | ret |
||
1280 | endp |
||
1281 | |||
1282 | align 4 |
||
1283 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1284 | |||
1285 | xor edx, edx |
||
1286 | mov eax, [base] |
||
1287 | or eax, [mem_type] |
||
1288 | mov ecx, [reg] |
||
1289 | lea ecx, [0x200+ecx*2] |
||
1290 | wrmsr |
||
1291 | |||
1292 | mov ebx, [size] |
||
1293 | dec ebx |
||
1294 | mov eax, 0xFFFFFFFF |
||
1295 | mov edx, 0x0000000F |
||
1296 | sub eax, ebx |
||
1297 | sbb edx, 0 |
||
1298 | or eax, 0x800 |
||
1299 | inc ecx |
||
1300 | wrmsr |
||
1301 | ret |
||
1302 | endp |
||
1303 | |||
172 | serge | 1304 | align 4 |
1305 | proc stall stdcall, delay:dword |
||
1306 | push ecx |
||
1307 | push edx |
||
1308 | push ebx |
||
1309 | push eax |
||
1310 | |||
1311 | mov eax, [delay] |
||
1312 | mul [stall_mcs] |
||
1313 | mov ebx, eax ;low |
||
1314 | mov ecx, edx ;high |
||
1315 | rdtsc |
||
1316 | add ebx, eax |
||
1317 | adc ecx,edx |
||
1318 | @@: |
||
1319 | rdtsc |
||
1320 | sub eax, ebx |
||
1321 | sbb edx, ecx |
||
1322 | jb @B |
||
1323 | |||
1324 | pop eax |
||
1325 | pop ebx |
||
1326 | pop edx |
||
1327 | pop ecx |
||
1328 | ret |
||
1329 | endp |
||
1330 | |||
164 | serge | 1331 | iglobal |
1332 | align 4 |
||
1333 | intel_str db "GenuineIntel",0 |
||
1334 | AMD_str db "AuthenticAMD",0 |
||
1335 | endg |
||
1336 | |||
1337 | uglobal |
||
1338 | align 16 |
||
1339 | irq_tab rd 16 |
||
1340 | |||
1341 | MEM_FreeSpace rd 1 |
||
1342 | |||
1343 | ipc_tmp rd 1 |
||
1344 | ipc_pdir rd 1 |
||
1345 | ipc_ptab rd 1 |
||
1346 | |||
1347 | proc_mem_map rd 1 |
||
1348 | proc_mem_pdir rd 1 |
||
1349 | proc_mem_tab rd 1 |
||
1350 | |||
1351 | tmp_task_pdir rd 1 |
||
1352 | tmp_task_ptab rd 1 |
||
1353 | |||
1354 | fdd_buff rd 1 |
||
214 | serge | 1355 | LFBSize rd 1 |
164 | serge | 1356 | |
172 | serge | 1357 | stall_mcs rd 1 |
164 | serge | 1358 | ;;CPUID information |
1359 | |||
1360 | cpu_vendor rd 3 |
||
1361 | cpu_sign rd 1 |
||
1362 | cpu_info rd 1 |
||
1363 | |||
221 | serge | 1364 | ;;;;; cursors data |
1365 | |||
1366 | align 16 |
||
1367 | cur_saved_data rb 4096 |
||
1368 | |||
1369 | def_cursor rd 1 |
||
233 | serge | 1370 | hw_cursor rd 1 |
221 | serge | 1371 | |
1372 | scr_width rd 1 |
||
1373 | scr_height rd 1 |
||
1374 | |||
1375 | cur_def_interl rd 1 |
||
1376 | cur_saved_base rd 1 |
||
1377 | cur_saved_interl rd 1 |
||
1378 | cur_saved_w rd 1 |
||
1379 | cur_saved_h rd 1 |
||
1380 | |||
164 | serge | 1381 | endg |
1382 | |||
1383 | uglobal |
||
1384 | align 16 |
||
357 | serge | 1385 | fpu_data: |
1386 | rb 512 |
||
227 | serge | 1387 | |
276 | serge | 1388 | mst MEM_STATE |
1389 | |||
227 | serge | 1390 | mem_block_map rb 512 |
354 | serge | 1391 | event_map rb 64 |
227 | serge | 1392 | mem_block_list rd 64 |
1393 | mem_block_mask rd 2 |
||
1394 | |||
278 | serge | 1395 | srv.fd rd 1 |
1396 | srv.bk rd 1 |
||
1397 | |||
357 | serge | 1398 | mem_used.fd rd 1 |
1399 | mem_used.bk rd 1 |
||
1400 | |||
164 | serge | 1401 | mem_block_arr rd 1 |
1402 | mem_block_start rd 1 |
||
1403 | mem_block_end rd 1 |
||
279 | serge | 1404 | |
1405 | heap_mutex rd 1 |
||
170 | serge | 1406 | heap_size rd 1 |
1407 | heap_free rd 1 |
||
1408 | heap_blocks rd 1 |
||
1409 | free_blocks rd 1 |
||
164 | serge | 1410 | |
1411 | page_start rd 1 |
||
1412 | page_end rd 1 |
||
227 | serge | 1413 | events rd 1 |
1414 | event_start rd 1 |
||
1415 | event_end rd 1 |
||
354 | serge | 1416 | event_uid rd 1 |
164 | serge | 1417 | sys_page_map rd 1 |
357 | serge | 1418 | os_stack rd 1 |
164 | serge | 1419 | endg |
1420 | |||
328 | serge | 1421 | if 0 |
1422 | push eax |
||
1423 | push edx |
||
1424 | mov edx, 0x400 ;bocsh |
||
1425 | mov al,0xff ;bocsh |
||
1426 | out dx, al ;bocsh |
||
1427 | pop edx |
||
1428 | pop eax |
||
1429 | end if |
||
164 | serge | 1430 | |
237 | serge | 1431 | align 4 |
1432 | k_strrchr: |
||
1433 | push eax |
||
1434 | xor eax,eax |
||
1435 | or ecx,-1 |
||
1436 | repne scasb |
||
1437 | add ecx,1 |
||
1438 | neg ecx |
||
1439 | sub edi,1 |
||
1440 | pop eax |
||
1441 | std |
||
1442 | repne scasb |
||
1443 | cld |
||
1444 | add edi,1 |
||
1445 | |||
1446 | cmp [edi],al |
||
1447 | jne @F |
||
1448 | mov eax,edi |
||
1449 | ret |
||
1450 | @@: |
||
1451 | xor eax,eax |
||
1452 | ret |
||
1453 | |||
1454 | align 4 |
||
1455 | proc k_strncpy stdcall, dest:dword, src:dword, maxlen:dword |
||
1456 | mov eax, [dest] |
||
1457 | mov esi, [src] |
||
1458 | mov ecx, [maxlen] |
||
1459 | test eax, eax |
||
1460 | jz .L9 |
||
1461 | test esi, esi |
||
1462 | jz .L9 |
||
1463 | test ecx, ecx |
||
1464 | jz .L9 |
||
1465 | |||
1466 | sub esi, eax |
||
1467 | jmp .L1 |
||
1468 | |||
1469 | align 4 |
||
1470 | .L2: |
||
1471 | mov edx, [esi+eax] |
||
1472 | mov [eax], dl |
||
1473 | test dl, dl |
||
1474 | jz .L7 |
||
1475 | |||
1476 | mov [eax+1], dh |
||
1477 | test dh, dh |
||
1478 | jz .L6 |
||
1479 | |||
1480 | shr edx, 16 |
||
1481 | mov [eax+2],dl |
||
1482 | test dl, dl |
||
1483 | jz .L5 |
||
1484 | |||
1485 | mov [eax+3], dh |
||
1486 | test dh, dh |
||
1487 | jz .L4 |
||
1488 | add eax, 4 |
||
1489 | .L1: |
||
1490 | sub ecx, 4 |
||
1491 | jae .L2 |
||
1492 | |||
1493 | add ecx, 4 |
||
1494 | jz .L9 |
||
1495 | |||
1496 | mov dl, [eax+esi] |
||
1497 | mov [eax], dl |
||
1498 | test dl, dl |
||
1499 | jz .L3 |
||
1500 | |||
1501 | inc eax |
||
1502 | dec ecx |
||
1503 | jz .L9 |
||
1504 | |||
1505 | mov dl, [eax+esi] |
||
1506 | mov [eax], dl |
||
1507 | test dl, dl |
||
1508 | jz .L3 |
||
1509 | |||
1510 | inc eax |
||
1511 | dec ecx |
||
1512 | jz .L9 |
||
1513 | |||
1514 | mov dl, [eax+esi] |
||
1515 | mov [eax], dl |
||
1516 | test dl, dl |
||
1517 | jz .L3 |
||
1518 | |||
1519 | inc eax |
||
1520 | jmp .L9 |
||
1521 | |||
1522 | .L4: dec ecx |
||
1523 | inc eax |
||
1524 | |||
1525 | .L5: dec ecx |
||
1526 | inc eax |
||
1527 | |||
1528 | .L6: dec ecx |
||
1529 | inc eax |
||
1530 | .L7: |
||
1531 | add ecx,3 |
||
1532 | jz .L9 |
||
1533 | .L8: |
||
1534 | mov byte [ecx+eax], 0 |
||
1535 | .L3: |
||
1536 | dec ecx |
||
1537 | jnz .L8 |
||
1538 | .L9: |
||
1539 | ret |
||
1540 | endp |
||
1541 | |||
1542 | if 0 |
||
1543 | |||
1544 | magic equ 0xfefefeff |
||
1545 | |||
1546 | k_strlen: |
||
1547 | mov eax,[esp+4] |
||
1548 | mov edx, 3 |
||
1549 | |||
1550 | and edx, eax |
||
1551 | jz .L1 |
||
1552 | jp .L0 |
||
1553 | |||
1554 | cmp dh, byte [eax] |
||
1555 | je .L2 |
||
1556 | |||
1557 | inc eax |
||
1558 | cmp dh, byte [eax] |
||
1559 | |||
1560 | je .L2 |
||
1561 | |||
1562 | inc eax |
||
1563 | xor edx, 2 |
||
1564 | |||
1565 | jz .L1 |
||
1566 | .L0: |
||
1567 | cmp dh, [eax] |
||
1568 | je .L2 |
||
1569 | |||
1570 | inc eax |
||
1571 | xor edx, edx |
||
1572 | |||
1573 | .L1: |
||
1574 | mov ecx, [eax] |
||
1575 | add eax, 4 |
||
1576 | |||
1577 | sub edx, ecx |
||
1578 | add ecx, magic |
||
1579 | |||
1580 | dec edx |
||
1581 | jnc .L3 |
||
1582 | |||
1583 | xor edx, ecx |
||
1584 | and edx, not magic |
||
1585 | jne .L3 |
||
1586 | |||
1587 | mov ecx, [eax] |
||
1588 | add eax, 4 |
||
1589 | |||
1590 | sub edx, ecx |
||
1591 | add ecx, magic |
||
1592 | dec edx |
||
1593 | jnc .L3 |
||
1594 | |||
1595 | xor edx, ecx |
||
1596 | and edx, not magic |
||
1597 | jne .L3 |
||
1598 | |||
1599 | mov ecx, [eax] |
||
1600 | add eax, 4 |
||
1601 | |||
1602 | sub edx, ecx |
||
1603 | add ecx, magic |
||
1604 | |||
1605 | dec edx |
||
1606 | jnc .L3 |
||
1607 | |||
1608 | xor edx, ecx |
||
1609 | |||
1610 | and edx, not magic |
||
1611 | jne .L3 |
||
1612 | |||
1613 | mov ecx, [eax] |
||
1614 | add eax, 4 |
||
1615 | |||
1616 | sub edx, ecx |
||
1617 | add ecx, magic |
||
1618 | |||
1619 | dec edx |
||
1620 | jnc .L3 |
||
1621 | |||
1622 | xor edx, ecx |
||
1623 | |||
1624 | and edx, not magic |
||
1625 | je .L1 |
||
1626 | |||
1627 | .L3: sub eax ,4 |
||
1628 | sub ecx, magic |
||
1629 | |||
1630 | cmp cl, 0 |
||
1631 | jz .L2 |
||
1632 | |||
1633 | inc eax |
||
1634 | test ch, ch |
||
1635 | jz .L2 |
||
1636 | |||
1637 | shr ecx, 16 |
||
1638 | inc eax |
||
1639 | |||
1640 | cmp cl,0 |
||
1641 | jz .L2 |
||
1642 | |||
1643 | inc eax |
||
1644 | |||
1645 | .L2: |
||
1646 | sub eax, [esp+4] |
||
1647 | ret |
||
1648 | |||
1649 | end if0>> |