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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 448 $ |
431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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164 | serge | 8 | |
357 | serge | 9 | tmp_page_tab equ HEAP_BASE |
164 | serge | 10 | |
11 | align 4 |
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12 | proc mem_test |
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214 | serge | 13 | |
164 | serge | 14 | mov eax, cr0 |
212 | serge | 15 | and eax, not (CR0_CD+CR0_NW) |
214 | serge | 16 | or eax, CR0_CD ;disable caching |
164 | serge | 17 | mov cr0, eax |
214 | serge | 18 | wbinvd ;invalidate cache |
164 | serge | 19 | |
214 | serge | 20 | xor edi, edi |
164 | serge | 21 | mov ebx, 'TEST' |
22 | @@: |
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23 | add edi, 0x400000 |
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24 | xchg ebx, dword [edi] |
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25 | cmp dword [edi], 'TEST' |
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26 | xchg ebx, dword [edi] |
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27 | je @b |
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357 | serge | 28 | mov [MEM_AMOUNT], edi |
164 | serge | 29 | |
212 | serge | 30 | and eax, not (CR0_CD+CR0_NW) ;enable caching |
164 | serge | 31 | mov cr0, eax |
32 | mov eax, edi |
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214 | serge | 33 | mov [LFBSize], 0x00800000 |
164 | serge | 34 | ret |
35 | endp |
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36 | |||
37 | align 4 |
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357 | serge | 38 | proc init_mem |
39 | |||
40 | mov eax, [MEM_AMOUNT] |
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41 | |||
42 | mov [pg_data.mem_amount], eax |
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43 | mov [pg_data.kernel_max], eax |
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44 | |||
45 | shr eax, 12 |
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46 | mov edx, eax |
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47 | mov [pg_data.pages_count], eax |
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48 | mov [pg_data.kernel_pages], eax |
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49 | |||
50 | shr eax, 3 |
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51 | mov [pg_data.pagemap_size], eax |
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52 | |||
53 | shr edx, 10 |
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54 | cmp edx, 3 |
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55 | ja @f |
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56 | inc edx ;at least 4Mb for kernel heap |
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57 | @@: |
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58 | mov [pg_data.kernel_tables], edx |
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59 | |||
164 | serge | 60 | xor eax, eax |
61 | mov edi, sys_pgdir |
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62 | mov ecx, 2048 |
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357 | serge | 63 | cld |
164 | serge | 64 | rep stosd |
65 | |||
357 | serge | 66 | mov edx, sys_pgdir |
164 | serge | 67 | bt [cpu_caps], CAPS_PSE |
68 | jnc .no_PSE |
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69 | |||
70 | mov ebx, cr4 |
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71 | or ebx, CR4_PSE |
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72 | mov eax, PG_LARGE+PG_SW |
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73 | bt [cpu_caps], CAPS_PGE |
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74 | jnc @F |
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75 | or eax, PG_GLOBAL |
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76 | or ebx, CR4_PGE |
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77 | @@: |
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168 | serge | 78 | mov cr4, ebx |
357 | serge | 79 | sub [pg_data.kernel_tables], 2 |
168 | serge | 80 | |
357 | serge | 81 | mov [edx], eax |
164 | serge | 82 | add eax, 0x00400000 |
357 | serge | 83 | mov [edx+4], eax |
84 | add edx, 8 |
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164 | serge | 85 | |
357 | serge | 86 | mov eax, 0x800000+PG_SW |
87 | mov ecx, (HEAP_BASE-0x800000)/4096 |
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88 | jmp .map_low |
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164 | serge | 89 | .no_PSE: |
90 | mov eax, PG_SW |
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357 | serge | 91 | mov ecx, HEAP_BASE/4096 |
164 | serge | 92 | .map_low: |
357 | serge | 93 | mov edi, tmp_page_tab |
94 | @@: ; |
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95 | stosd |
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164 | serge | 96 | add eax, 0x1000 |
97 | dec ecx |
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357 | serge | 98 | jnz @B |
164 | serge | 99 | |
100 | mov ecx, [pg_data.kernel_tables] |
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357 | serge | 101 | shl ecx, 10 |
102 | xor eax, eax |
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103 | rep stosd |
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104 | |||
105 | mov ecx, [pg_data.kernel_tables] |
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164 | serge | 106 | mov eax, tmp_page_tab+PG_SW |
357 | serge | 107 | mov edi, edx |
164 | serge | 108 | |
109 | .map_kernel_tabs: |
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110 | |||
357 | serge | 111 | stosd |
164 | serge | 112 | add eax, 0x1000 |
113 | dec ecx |
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114 | jnz .map_kernel_tabs |
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115 | |||
378 | serge | 116 | mov dword [sys_pgdir+(page_tabs shr 20)], sys_pgdir+PG_SW |
164 | serge | 117 | ret |
118 | endp |
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119 | |||
120 | align 4 |
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121 | proc init_page_map |
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357 | serge | 122 | |
164 | serge | 123 | mov edi, sys_pgmap |
357 | serge | 124 | mov ecx, (HEAP_BASE/4096)/32 ;384/4 |
125 | mov ebx, ecx |
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164 | serge | 126 | xor eax,eax |
127 | cld |
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128 | rep stosd |
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129 | |||
130 | not eax |
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131 | mov ecx, [pg_data.pagemap_size] |
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357 | serge | 132 | sub ecx, ebx |
164 | serge | 133 | shr ecx, 2 |
134 | rep stosd |
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135 | |||
357 | serge | 136 | lea edi, [sys_pgmap+ebx*4] ;+384 |
164 | serge | 137 | mov edx, [pg_data.pages_count] |
138 | mov ecx, [pg_data.kernel_tables] |
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357 | serge | 139 | add ecx, (HEAP_BASE/4096) and 31 |
140 | sub edx, HEAP_BASE/4096 |
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164 | serge | 141 | sub edx, ecx |
142 | mov [pg_data.pages_free], edx |
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143 | |||
144 | xor eax, eax |
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145 | mov ebx, ecx |
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146 | shr ecx, 5 |
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147 | rep stosd |
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148 | |||
149 | not eax |
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150 | mov ecx, ebx |
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151 | and ecx, 31 |
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152 | shl eax, cl |
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357 | serge | 153 | mov [page_start], edi; sys_pgmap+384 |
164 | serge | 154 | stosd |
155 | |||
156 | mov ebx, sys_pgmap |
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157 | add ebx, [pg_data.pagemap_size] |
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158 | mov [page_end], ebx |
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159 | |||
160 | mov [pg_data.pg_mutex], 0 |
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161 | |||
162 | ret |
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163 | endp |
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164 | |||
165 | align 4 |
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166 | proc alloc_page |
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167 | |||
168 | pushfd |
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169 | cli |
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170 | mov ebx, [page_start] |
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171 | mov ecx, [page_end] |
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172 | .l1: |
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173 | bsf eax,[ebx]; |
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174 | jnz .found |
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175 | add ebx,4 |
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176 | cmp ebx, ecx |
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177 | jb .l1 |
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178 | popfd |
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179 | xor eax,eax |
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180 | ret |
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181 | .found: |
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182 | btr [ebx], eax |
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183 | mov [page_start],ebx |
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184 | sub ebx, sys_pgmap |
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254 | serge | 185 | lea eax, [eax+ebx*8] |
164 | serge | 186 | shl eax, 12 |
187 | dec [pg_data.pages_free] |
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188 | popfd |
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189 | ret |
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190 | endp |
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191 | |||
192 | align 4 |
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193 | proc alloc_pages stdcall, count:dword |
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194 | pushfd |
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195 | cli |
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196 | mov eax, [count] |
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197 | add eax, 7 |
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198 | shr eax, 3 |
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199 | mov [count], eax |
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200 | cmp eax, [pg_data.pages_free] |
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201 | ja .fail |
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202 | |||
203 | mov ecx, [page_start] |
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204 | mov ebx, [page_end] |
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205 | .find: |
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206 | mov edx, [count] |
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207 | mov edi, ecx |
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208 | .match: |
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209 | cmp byte [ecx], 0xFF |
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210 | jne .next |
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211 | dec edx |
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212 | jz .ok |
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213 | inc ecx |
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214 | cmp ecx,ebx |
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215 | jb .match |
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216 | .fail: xor eax, eax |
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217 | popfd |
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218 | ret |
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219 | .next: |
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220 | inc ecx |
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221 | cmp ecx, ebx |
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222 | jb .find |
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223 | popfd |
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224 | xor eax, eax |
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225 | ret |
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226 | .ok: |
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227 | sub ecx, edi |
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228 | inc ecx |
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229 | mov esi, edi |
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230 | xor eax, eax |
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231 | rep stosb |
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232 | sub esi, sys_pgmap |
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233 | shl esi, 3+12 |
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234 | mov eax, esi |
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235 | mov ebx, [count] |
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236 | shl ebx, 3 |
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237 | sub [pg_data.pages_free], ebx |
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238 | popfd |
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239 | ret |
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240 | endp |
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241 | |||
242 | align 4 |
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243 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
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321 | diamond | 244 | push ebx |
164 | serge | 245 | mov eax, [phis_addr] |
246 | and eax, not 0xFFF |
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247 | or eax, [flags] |
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248 | mov ebx, [lin_addr] |
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249 | shr ebx, 12 |
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365 | serge | 250 | mov [page_tabs+ebx*4], eax |
164 | serge | 251 | mov eax, [lin_addr] |
252 | invlpg [eax] |
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321 | diamond | 253 | pop ebx |
164 | serge | 254 | ret |
255 | endp |
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256 | |||
257 | align 4 |
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281 | serge | 258 | map_space: ;not implemented |
259 | |||
260 | |||
261 | ret |
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262 | |||
263 | |||
264 | align 4 |
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164 | serge | 265 | proc free_page |
266 | ;arg: eax page address |
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267 | pushfd |
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268 | cli |
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269 | shr eax, 12 ;page index |
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448 | diamond | 270 | bts dword [sys_pgmap], eax ;that's all! |
291 | serge | 271 | cmc |
328 | serge | 272 | adc [pg_data.pages_free], 0 |
164 | serge | 273 | shr eax, 3 |
274 | and eax, not 3 ;dword offset from page_map |
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448 | diamond | 275 | add eax, sys_pgmap |
164 | serge | 276 | cmp [page_start], eax |
277 | ja @f |
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278 | popfd |
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279 | ret |
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280 | @@: |
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281 | mov [page_start], eax |
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282 | popfd |
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283 | ret |
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284 | endp |
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285 | |||
279 | serge | 286 | ; param |
328 | serge | 287 | ; eax= page base + page flags |
281 | serge | 288 | ; ebx= liear address |
289 | ; ecx= count |
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290 | |||
291 | align 4 |
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328 | serge | 292 | commit_pages: |
281 | serge | 293 | |
328 | serge | 294 | test ecx, ecx |
295 | jz .fail |
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281 | serge | 296 | |
328 | serge | 297 | mov edi, ebx |
298 | mov ebx, pg_data.pg_mutex |
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299 | call wait_mutex ;ebx |
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300 | |||
301 | mov edx, 0x1000 |
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302 | mov ebx, edi |
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303 | shr ebx, 12 |
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304 | @@: |
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365 | serge | 305 | mov [page_tabs+ebx*4], eax |
328 | serge | 306 | invlpg [edi] |
307 | add edi, edx |
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308 | add eax, edx |
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309 | inc ebx |
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310 | dec ecx |
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311 | jnz @B |
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312 | mov [pg_data.pg_mutex],ecx |
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313 | .fail: |
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281 | serge | 314 | ret |
315 | |||
328 | serge | 316 | |
281 | serge | 317 | ; param |
279 | serge | 318 | ; eax= base |
281 | serge | 319 | ; ecx= count |
279 | serge | 320 | |
164 | serge | 321 | align 4 |
279 | serge | 322 | release_pages: |
321 | diamond | 323 | |
324 | pushad |
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279 | serge | 325 | mov ebx, pg_data.pg_mutex |
326 | call wait_mutex ;ebx |
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327 | |||
328 | mov esi, eax |
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329 | mov edi, eax |
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330 | |||
331 | shr esi, 10 |
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365 | serge | 332 | add esi, page_tabs |
328 | serge | 333 | |
334 | mov ebp, [pg_data.pages_free] |
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279 | serge | 335 | mov ebx, [page_start] |
336 | mov edx, sys_pgmap |
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337 | @@: |
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338 | xor eax, eax |
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339 | xchg eax, [esi] |
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340 | invlpg [edi] |
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341 | |||
342 | test eax, 1 |
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343 | jz .next |
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344 | |||
345 | shr eax, 12 |
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346 | bts [edx], eax |
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291 | serge | 347 | cmc |
328 | serge | 348 | adc ebp, 0 |
279 | serge | 349 | shr eax, 3 |
350 | and eax, -4 |
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351 | add eax, edx |
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352 | cmp eax, ebx |
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353 | jae .next |
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354 | |||
355 | mov ebx, eax |
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356 | .next: |
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357 | add edi, 0x1000 |
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358 | add esi, 4 |
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359 | dec ecx |
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360 | jnz @B |
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328 | serge | 361 | mov [pg_data.pages_free], ebp |
279 | serge | 362 | and [pg_data.pg_mutex],0 |
321 | diamond | 363 | popad |
279 | serge | 364 | ret |
365 | |||
366 | align 4 |
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188 | serge | 367 | proc map_page_table stdcall, lin_addr:dword, phis_addr:dword |
321 | diamond | 368 | push ebx |
164 | serge | 369 | mov ebx, [lin_addr] |
370 | shr ebx, 22 |
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371 | mov eax, [phis_addr] |
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372 | and eax, not 0xFFF |
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373 | or eax, PG_UW ;+PG_NOCACHE |
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378 | serge | 374 | mov dword [master_tab+ebx*4], eax |
164 | serge | 375 | mov eax, [lin_addr] |
376 | shr eax, 10 |
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365 | serge | 377 | add eax, page_tabs |
164 | serge | 378 | invlpg [eax] |
321 | diamond | 379 | pop ebx |
164 | serge | 380 | ret |
381 | endp |
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382 | |||
383 | align 4 |
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384 | proc init_LFB |
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378 | serge | 385 | locals |
386 | pg_count dd ? |
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387 | endl |
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388 | |||
164 | serge | 389 | cmp dword [LFBAddress], -1 |
390 | jne @f |
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412 | serge | 391 | mov [BOOT_VAR+0x901c],byte 2 |
164 | serge | 392 | stdcall kernel_alloc, 0x280000 |
393 | mov [LFBAddress], eax |
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394 | ret |
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395 | @@: |
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396 | test [SCR_MODE],word 0100000000000000b |
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211 | serge | 397 | jnz @f |
412 | serge | 398 | mov [BOOT_VAR+0x901c],byte 2 |
211 | serge | 399 | ret |
400 | @@: |
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378 | serge | 401 | mov edx, LFB_BASE |
402 | mov esi, [LFBAddress] |
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164 | serge | 403 | mov edi, [LFBSize] |
379 | serge | 404 | mov dword [exp_lfb+4], edx |
214 | serge | 405 | |
164 | serge | 406 | shr edi, 12 |
407 | mov [pg_count], edi |
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408 | shr edi, 10 |
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409 | |||
410 | bt [cpu_caps], CAPS_PSE |
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411 | jnc .map_page_tables |
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412 | or esi, PG_LARGE+PG_UW |
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378 | serge | 413 | shr edx, 20 |
414 | mov ecx, edx |
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164 | serge | 415 | @@: |
378 | serge | 416 | mov [sys_pgdir+edx], esi |
417 | add edx, 4 |
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164 | serge | 418 | add esi, 0x00400000 |
419 | dec edi |
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420 | jnz @B |
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421 | |||
207 | serge | 422 | bt [cpu_caps], CAPS_PGE |
423 | jnc @F |
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164 | serge | 424 | or dword [sys_pgdir+ecx], PG_GLOBAL |
207 | serge | 425 | @@: |
378 | serge | 426 | mov dword [LFBAddress], LFB_BASE |
164 | serge | 427 | mov eax, cr3 ;flush TLB |
428 | mov cr3, eax |
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429 | ret |
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430 | |||
431 | .map_page_tables: |
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432 | |||
433 | call alloc_page |
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378 | serge | 434 | stdcall map_page_table, edx, eax |
389 | serge | 435 | add edx, 0x00400000 |
164 | serge | 436 | dec edi |
389 | serge | 437 | jnz .map_page_tables |
164 | serge | 438 | |
439 | mov eax, [LFBAddress] |
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378 | serge | 440 | mov edi, page_tabs + (LFB_BASE shr 10) |
164 | serge | 441 | or eax, PG_UW |
442 | mov ecx, [pg_count] |
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378 | serge | 443 | cld |
389 | serge | 444 | @@: |
445 | stosd |
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446 | add eax, 0x1000 |
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447 | dec ecx |
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448 | jnz @B |
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164 | serge | 449 | |
378 | serge | 450 | mov dword [LFBAddress], LFB_BASE |
164 | serge | 451 | mov eax, cr3 ;flush TLB |
452 | mov cr3, eax |
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453 | |||
454 | ret |
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455 | endp |
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456 | |||
457 | align 4 |
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458 | proc new_mem_resize stdcall, new_size:dword |
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459 | |||
276 | serge | 460 | mov ebx, pg_data.pg_mutex |
461 | call wait_mutex ;ebx |
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164 | serge | 462 | |
463 | mov edi, [new_size] |
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464 | add edi,4095 |
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465 | and edi,not 4095 |
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466 | mov [new_size], edi |
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467 | |||
468 | mov edx,[CURRENT_TASK] |
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469 | shl edx,8 |
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380 | serge | 470 | cmp [SLOT_BASE+APPDATA.heap_base+edx],0 |
172 | serge | 471 | jne .exit |
472 | |||
380 | serge | 473 | mov esi, [SLOT_BASE+APPDATA.mem_size+edx] |
164 | serge | 474 | add esi, 4095 |
475 | and esi, not 4095 |
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476 | |||
477 | cmp edi, esi |
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478 | jae .expand |
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479 | |||
480 | shr edi, 12 |
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481 | shr esi, 12 |
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482 | @@: |
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378 | serge | 483 | mov eax, [app_page_tabs+edi*4] |
164 | serge | 484 | test eax, 1 |
485 | jz .next |
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378 | serge | 486 | mov dword [app_page_tabs+edi*4], 2 |
164 | serge | 487 | mov ebx, edi |
488 | shl ebx, 12 |
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489 | invlpg [ebx+std_application_base_address] |
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490 | call free_page |
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491 | |||
492 | .next: add edi, 1 |
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493 | cmp edi, esi |
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494 | jb @B |
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495 | |||
496 | .update_size: |
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294 | diamond | 497 | mov ebx, [new_size] |
498 | call update_mem_size |
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164 | serge | 499 | |
500 | xor eax, eax |
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501 | dec [pg_data.pg_mutex] |
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502 | ret |
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503 | |||
504 | .expand: |
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505 | add edi, new_app_base |
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506 | add esi, new_app_base |
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507 | |||
508 | push esi |
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509 | push edi |
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510 | |||
511 | add edi, 0x3FFFFF |
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512 | and edi, not(0x3FFFFF) |
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513 | add esi, 0x3FFFFF |
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514 | and esi, not(0x3FFFFF) |
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515 | |||
516 | cmp esi, edi |
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517 | jae .grow |
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518 | |||
519 | xchg esi, edi |
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520 | |||
521 | @@: |
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522 | call alloc_page |
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523 | test eax, eax |
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524 | jz .exit |
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525 | |||
188 | serge | 526 | stdcall map_page_table, edi, eax |
164 | serge | 527 | |
528 | push edi |
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529 | shr edi, 10 |
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365 | serge | 530 | add edi, page_tabs |
164 | serge | 531 | mov ecx, 1024 |
532 | xor eax, eax |
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533 | cld |
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534 | rep stosd |
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535 | pop edi |
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536 | |||
537 | add edi, 0x00400000 |
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538 | cmp edi, esi |
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539 | jb @B |
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540 | .grow: |
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541 | pop edi |
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542 | pop esi |
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543 | @@: |
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544 | call alloc_page |
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545 | test eax, eax |
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546 | jz .exit |
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547 | stdcall map_page,esi,eax,dword PG_UW |
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548 | |||
549 | push edi |
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550 | mov edi, esi |
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551 | xor eax, eax |
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552 | mov ecx, 1024 |
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553 | cld |
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554 | rep stosd |
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555 | pop edi |
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556 | |||
557 | add esi, 0x1000 |
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558 | cmp esi, edi |
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294 | diamond | 559 | jb @B |
164 | serge | 560 | |
561 | jmp .update_size |
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562 | .exit: |
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563 | xor eax, eax |
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564 | inc eax |
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565 | dec [pg_data.pg_mutex] |
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566 | ret |
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567 | endp |
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568 | |||
294 | diamond | 569 | update_mem_size: |
570 | ; in: edx = slot shl 8 |
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571 | ; ebx = new memory size |
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572 | ; destroys eax,ecx,edx |
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573 | |||
380 | serge | 574 | mov [SLOT_BASE+APPDATA.mem_size+edx],ebx |
294 | diamond | 575 | ;search threads and update |
576 | ;application memory size infomation |
||
380 | serge | 577 | mov ecx,[SLOT_BASE+APPDATA.dir_table+edx] |
294 | diamond | 578 | mov eax,2 |
579 | |||
580 | .search_threads: |
||
581 | ;eax = current slot |
||
582 | ;ebx = new memory size |
||
583 | ;ecx = page directory |
||
584 | cmp eax,[TASK_COUNT] |
||
585 | jg .search_threads_end |
||
586 | mov edx,eax |
||
587 | shl edx,5 |
||
588 | cmp word [CURRENT_TASK+edx+TASKDATA.state],9 ;if slot empty? |
||
589 | jz .search_threads_next |
||
590 | shl edx,3 |
||
380 | serge | 591 | cmp [SLOT_BASE+edx+APPDATA.dir_table],ecx ;if it is our thread? |
294 | diamond | 592 | jnz .search_threads_next |
380 | serge | 593 | mov [SLOT_BASE+edx+APPDATA.mem_size],ebx ;update memory size |
294 | diamond | 594 | .search_threads_next: |
595 | inc eax |
||
596 | jmp .search_threads |
||
597 | .search_threads_end: |
||
598 | ret |
||
599 | |||
285 | serge | 600 | ; param |
601 | ; eax= linear address |
||
602 | ; |
||
603 | ; retval |
||
604 | ; eax= phisical page address |
||
605 | |||
164 | serge | 606 | align 4 |
285 | serge | 607 | get_pg_addr: |
608 | shr eax, 12 |
||
365 | serge | 609 | mov eax, [page_tabs+eax*4] |
164 | serge | 610 | and eax, 0xFFFFF000 |
611 | ret |
||
612 | |||
188 | serge | 613 | align 4 |
164 | serge | 614 | proc page_fault_handler |
615 | pushad |
||
616 | |||
617 | mov ebp, esp |
||
618 | mov eax, cr2 |
||
172 | serge | 619 | push eax |
164 | serge | 620 | push ds |
188 | serge | 621 | push es |
164 | serge | 622 | |
623 | mov ax, 0x10 |
||
624 | mov ds, ax |
||
188 | serge | 625 | mov es, ax |
164 | serge | 626 | |
188 | serge | 627 | inc [pg_data.pages_faults] |
628 | |||
164 | serge | 629 | mov ebx, [ebp-4] |
630 | |||
378 | serge | 631 | cmp ebx, 0x80000000 |
164 | serge | 632 | jae .user_space |
633 | |||
378 | serge | 634 | cmp ebx, app_page_tabs |
188 | serge | 635 | jae .alloc |
636 | |||
378 | serge | 637 | cmp ebx, page_tabs |
164 | serge | 638 | jae .tab_space |
639 | |||
378 | serge | 640 | cmp ebx, 0x7DC00000 |
641 | jae .lfb_addr |
||
642 | |||
164 | serge | 643 | jmp .kernel_space |
644 | |||
645 | .user_space: |
||
646 | shr ebx, 12 |
||
172 | serge | 647 | mov ecx, ebx |
648 | shr ecx, 10 |
||
649 | mov edx, [master_tab+ecx*4] |
||
650 | test edx, 1 |
||
651 | jz .fail |
||
652 | |||
365 | serge | 653 | mov eax, [page_tabs+ebx*4] |
164 | serge | 654 | test eax, 2 |
172 | serge | 655 | jz .fail |
188 | serge | 656 | .alloc: |
164 | serge | 657 | call alloc_page |
658 | and eax, eax |
||
659 | jz .exit |
||
660 | |||
661 | stdcall map_page,[ebp-4],eax,dword PG_UW |
||
662 | |||
188 | serge | 663 | mov edi, [ebp-4] |
664 | and edi, 0xFFFFF000 |
||
164 | serge | 665 | mov ecx, 1024 |
666 | xor eax, eax |
||
188 | serge | 667 | cld |
668 | rep stosd |
||
164 | serge | 669 | .exit: |
188 | serge | 670 | pop es |
164 | serge | 671 | pop ds |
672 | mov esp, ebp |
||
673 | popad |
||
674 | add esp, 4 |
||
675 | iretd |
||
172 | serge | 676 | .fail: |
188 | serge | 677 | pop es |
172 | serge | 678 | pop ds |
679 | mov esp, ebp |
||
680 | popad |
||
681 | add esp, 4 |
||
164 | serge | 682 | |
172 | serge | 683 | save_ring3_context ;debugger support |
684 | |||
685 | mov bl, 14 |
||
686 | jmp exc_c |
||
687 | iretd |
||
688 | |||
164 | serge | 689 | .kernel_space: |
188 | serge | 690 | ; shr ebx, 12 |
365 | serge | 691 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 692 | ; shr ebx, 10 |
693 | ; mov eax, [master_tab+ebx*4] |
||
694 | jmp .exit |
||
164 | serge | 695 | .old_addr: |
188 | serge | 696 | ; shr ebx, 12 |
365 | serge | 697 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 698 | ; shr ebx, 10 |
699 | ; mov eax, [master_tab+ebx*4] |
||
700 | jmp .exit |
||
164 | serge | 701 | .lfb_addr: |
188 | serge | 702 | ; shr ebx, 22 |
703 | ; ;mov ecx, [sys_page_dir] |
||
704 | ; mov eax, [master_tab+ebx*4] |
||
705 | jmp .exit |
||
164 | serge | 706 | .tab_space: |
188 | serge | 707 | ; shr ebx, 12 |
365 | serge | 708 | ; mov eax, [page_tabs+ebx*4] |
188 | serge | 709 | ; shr ebx, 10 |
710 | ; ;mov ecx, [sys_page_dir] |
||
711 | ; mov eax, [master_tab+ebx*4] |
||
712 | jmp .exit |
||
164 | serge | 713 | endp |
714 | |||
715 | align 4 |
||
716 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
717 | ofs:dword,buf_size:dword |
||
718 | mov eax, [buf_size] |
||
719 | test eax, eax |
||
720 | jz .exit |
||
721 | |||
722 | mov eax, [pdir] |
||
723 | and eax, 0xFFFFF000 |
||
724 | |||
725 | stdcall map_page,[ipc_pdir],eax,dword PG_UW |
||
726 | mov ebx, [ofs] |
||
727 | shr ebx, 22 |
||
728 | mov esi, [ipc_pdir] |
||
729 | mov edi, [ipc_ptab] |
||
730 | mov eax, [esi+ebx*4] |
||
731 | and eax, 0xFFFFF000 |
||
732 | test eax, eax |
||
733 | jz .exit |
||
734 | stdcall map_page,edi,eax,dword PG_UW |
||
735 | ; inc ebx |
||
736 | ; add edi, 0x1000 |
||
737 | ; mov eax, [esi+ebx*4] |
||
738 | ; test eax, eax |
||
739 | ; jz @f |
||
740 | ; and eax, 0xFFFFF000 |
||
741 | ; stdcall map_page, edi, eax |
||
742 | |||
743 | @@: mov edi, [lin_addr] |
||
744 | and edi, 0xFFFFF000 |
||
745 | mov ecx, [buf_size] |
||
746 | add ecx, 4095 |
||
747 | shr ecx, 12 |
||
748 | inc ecx |
||
749 | |||
750 | mov edx, [ofs] |
||
751 | shr edx, 12 |
||
752 | and edx, 0x3FF |
||
753 | mov esi, [ipc_ptab] |
||
754 | |||
755 | .map: mov eax, [esi+edx*4] |
||
756 | and eax, 0xFFFFF000 |
||
757 | test eax, eax |
||
758 | jz .exit |
||
759 | stdcall map_page,edi,eax,dword PG_UW |
||
760 | add edi, 0x1000 |
||
761 | inc edx |
||
762 | dec ecx |
||
763 | jnz .map |
||
764 | |||
765 | .exit: |
||
766 | ret |
||
767 | endp |
||
768 | |||
769 | align 4 |
||
770 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
771 | ofs:dword,buf_size:dword |
||
772 | mov eax, [buf_size] |
||
773 | test eax, eax |
||
774 | jz .exit |
||
775 | |||
776 | mov eax, [pdir] |
||
777 | and eax, 0xFFFFF000 |
||
778 | |||
779 | stdcall map_page,[proc_mem_pdir],eax,dword PG_UW |
||
780 | mov ebx, [ofs] |
||
781 | shr ebx, 22 |
||
782 | mov esi, [proc_mem_pdir] |
||
783 | mov edi, [proc_mem_tab] |
||
784 | mov eax, [esi+ebx*4] |
||
785 | and eax, 0xFFFFF000 |
||
786 | test eax, eax |
||
787 | jz .exit |
||
788 | stdcall map_page,edi,eax,dword PG_UW |
||
789 | |||
790 | @@: mov edi, [lin_addr] |
||
791 | and edi, 0xFFFFF000 |
||
792 | mov ecx, [buf_size] |
||
793 | add ecx, 4095 |
||
794 | shr ecx, 12 |
||
795 | inc ecx |
||
796 | |||
797 | mov edx, [ofs] |
||
798 | shr edx, 12 |
||
799 | and edx, 0x3FF |
||
800 | mov esi, [proc_mem_tab] |
||
801 | |||
802 | .map: mov eax, [esi+edx*4] |
||
803 | ; and eax, 0xFFFFF000 |
||
804 | ; test eax, eax |
||
805 | ; jz .exit |
||
806 | stdcall map_page,edi,eax,dword PG_UW |
||
807 | add edi, 0x1000 |
||
808 | inc edx |
||
809 | dec ecx |
||
810 | jnz .map |
||
811 | .exit: |
||
812 | ret |
||
813 | endp |
||
814 | |||
815 | |||
816 | |||
817 | |||
818 | sys_IPC: |
||
819 | ;input: |
||
820 | ; eax=1 - set ipc buffer area |
||
821 | ; ebx=address of buffer |
||
822 | ; ecx=size of buffer |
||
823 | ; eax=2 - send message |
||
824 | ; ebx=PID |
||
825 | ; ecx=address of message |
||
826 | ; edx=size of message |
||
827 | |||
828 | cmp eax,1 |
||
829 | jne @f |
||
830 | call set_ipc_buff |
||
831 | mov [esp+36], eax |
||
832 | ret |
||
833 | @@: |
||
834 | cmp eax, 2 |
||
835 | jne @f |
||
836 | stdcall sys_ipc_send, ebx, ecx, edx |
||
837 | mov [esp+36], eax |
||
838 | ret |
||
839 | @@: |
||
840 | xor eax, eax |
||
841 | not eax |
||
842 | mov [esp+36], eax |
||
843 | ret |
||
844 | |||
845 | align 4 |
||
846 | proc set_ipc_buff |
||
847 | |||
848 | mov eax,[CURRENT_TASK] |
||
849 | shl eax,8 |
||
380 | serge | 850 | add eax, SLOT_BASE |
164 | serge | 851 | pushf |
852 | cli |
||
853 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
854 | mov [eax+0xA4],ecx |
||
855 | |||
856 | add ebx, new_app_base |
||
857 | add ecx, ebx |
||
858 | add ecx, 4095 |
||
859 | and ecx, not 4095 |
||
860 | |||
861 | .touch: mov eax, [ebx] |
||
862 | add ebx, 0x1000 |
||
863 | cmp ebx, ecx |
||
864 | jna .touch |
||
865 | |||
866 | popf |
||
867 | xor eax, eax |
||
868 | ret |
||
869 | endp |
||
870 | |||
871 | proc sys_ipc_send stdcall, PID:dword, msg_addr:dword, msg_size:dword |
||
872 | locals |
||
873 | dst_slot dd ? |
||
874 | dst_offset dd ? |
||
875 | buf_size dd ? |
||
876 | endl |
||
877 | |||
878 | pushf |
||
879 | cli |
||
880 | |||
881 | mov eax, [PID] |
||
882 | call pid_to_slot |
||
883 | test eax,eax |
||
884 | jz .no_pid |
||
885 | |||
886 | mov [dst_slot], eax |
||
887 | shl eax,8 |
||
380 | serge | 888 | mov edi,[eax+SLOT_BASE+0xa0] ;is ipc area defined? |
164 | serge | 889 | test edi,edi |
890 | jz .no_ipc_area |
||
891 | |||
892 | mov ebx, edi |
||
893 | add edi, new_app_base |
||
894 | and ebx, 0xFFF |
||
895 | mov [dst_offset], ebx |
||
896 | |||
380 | serge | 897 | mov esi, [eax+SLOT_BASE+0xa4] |
164 | serge | 898 | mov [buf_size], esi |
899 | |||
380 | serge | 900 | stdcall map_mem, [ipc_tmp], [SLOT_BASE+eax+0xB8],\ |
164 | serge | 901 | edi, esi |
902 | |||
903 | mov edi, [dst_offset] |
||
904 | add edi, [ipc_tmp] |
||
905 | cmp dword [edi], 0 |
||
906 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
227 | serge | 907 | |
164 | serge | 908 | mov ebx, dword [edi+4] |
909 | mov edx, ebx |
||
910 | add ebx, 8 |
||
911 | add ebx, [msg_size] |
||
912 | cmp ebx, [buf_size] |
||
913 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
227 | serge | 914 | |
164 | serge | 915 | mov dword [edi+4], ebx |
916 | mov eax,[TASK_BASE] |
||
917 | mov eax, [eax+0x04] ;eax - our PID |
||
918 | mov edi, [dst_offset] |
||
919 | add edi, [ipc_tmp] |
||
920 | add edi, edx |
||
921 | mov [edi], eax |
||
922 | mov ecx, [msg_size] |
||
923 | |||
924 | mov [edi+4], ecx |
||
925 | add edi, 8 |
||
926 | mov esi, [msg_addr] |
||
927 | add esi, new_app_base |
||
928 | cld |
||
929 | rep movsb |
||
930 | |||
931 | mov ebx, [ipc_tmp] |
||
932 | mov edx, ebx |
||
933 | shr ebx, 12 |
||
934 | xor eax, eax |
||
365 | serge | 935 | mov [page_tabs+ebx*4], eax |
164 | serge | 936 | invlpg [edx] |
937 | |||
938 | mov ebx, [ipc_pdir] |
||
939 | mov edx, ebx |
||
940 | shr ebx, 12 |
||
941 | xor eax, eax |
||
365 | serge | 942 | mov [page_tabs+ebx*4], eax |
164 | serge | 943 | invlpg [edx] |
944 | |||
945 | mov ebx, [ipc_ptab] |
||
946 | mov edx, ebx |
||
947 | shr ebx, 12 |
||
948 | xor eax, eax |
||
365 | serge | 949 | mov [page_tabs+ebx*4], eax |
164 | serge | 950 | invlpg [edx] |
951 | |||
952 | mov eax, [dst_slot] |
||
953 | shl eax, 8 |
||
380 | serge | 954 | or [eax+SLOT_BASE+0xA8],dword 0x40 |
164 | serge | 955 | cmp dword [check_idle_semaphore],20 |
956 | jge .ipc_no_cis |
||
957 | |||
958 | mov dword [check_idle_semaphore],5 |
||
959 | .ipc_no_cis: |
||
960 | popf |
||
961 | xor eax, eax |
||
962 | ret |
||
963 | .no_pid: |
||
964 | popf |
||
965 | mov eax, 4 |
||
966 | ret |
||
967 | .no_ipc_area: |
||
968 | popf |
||
969 | xor eax, eax |
||
970 | inc eax |
||
971 | ret |
||
972 | .ipc_blocked: |
||
973 | popf |
||
974 | mov eax, 2 |
||
975 | ret |
||
976 | .buffer_overflow: |
||
977 | popf |
||
978 | mov eax, 3 |
||
979 | ret |
||
980 | endp |
||
981 | |||
982 | align 4 |
||
170 | serge | 983 | sysfn_meminfo: |
164 | serge | 984 | |
170 | serge | 985 | add ebx, new_app_base |
172 | serge | 986 | cmp ebx, new_app_base |
987 | jb .fail |
||
988 | |||
164 | serge | 989 | mov eax, [pg_data.pages_count] |
170 | serge | 990 | mov [ebx], eax |
172 | serge | 991 | shl eax, 12 |
992 | mov [esp+36], eax |
||
170 | serge | 993 | mov ecx, [pg_data.pages_free] |
994 | mov [ebx+4], ecx |
||
995 | mov edx, [pg_data.pages_faults] |
||
996 | mov [ebx+8], edx |
||
997 | mov esi, [heap_size] |
||
998 | mov [ebx+12], esi |
||
999 | mov edi, [heap_free] |
||
1000 | mov [ebx+16], edi |
||
1001 | mov eax, [heap_blocks] |
||
1002 | mov [ebx+20], eax |
||
1003 | mov ecx, [free_blocks] |
||
1004 | mov [ebx+24], ecx |
||
164 | serge | 1005 | ret |
172 | serge | 1006 | .fail: |
1007 | mov dword [esp+36], -1 |
||
1008 | ret |
||
164 | serge | 1009 | |
1010 | align 4 |
||
1011 | new_services: |
||
1012 | |||
1013 | cmp eax,4 |
||
1014 | jle sys_sheduler |
||
1015 | |||
170 | serge | 1016 | cmp eax, 11 |
164 | serge | 1017 | jb .fail |
1018 | ja @f |
||
1019 | |||
188 | serge | 1020 | call init_heap |
164 | serge | 1021 | mov [esp+36], eax |
1022 | ret |
||
1023 | @@: |
||
1024 | cmp eax, 12 |
||
1025 | ja @f |
||
1026 | |||
1027 | stdcall user_alloc, ebx |
||
1028 | mov [esp+36], eax |
||
1029 | ret |
||
1030 | @@: |
||
1031 | cmp eax, 13 |
||
1032 | ja @f |
||
188 | serge | 1033 | add ebx, new_app_base |
164 | serge | 1034 | stdcall user_free, ebx |
1035 | mov [esp+36], eax |
||
1036 | ret |
||
1037 | @@: |
||
1038 | cmp eax, 14 |
||
1039 | ja @f |
||
227 | serge | 1040 | add ebx, new_app_base |
172 | serge | 1041 | cmp ebx, new_app_base |
1042 | jb .fail |
||
227 | serge | 1043 | stdcall get_event_ex, ebx, ecx |
1044 | mov [esp+36], eax |
||
164 | serge | 1045 | ret |
1046 | @@: |
||
1047 | cmp eax, 15 |
||
1048 | ja @f |
||
1049 | mov ecx, [CURRENT_TASK] |
||
1050 | shl ecx, 8 |
||
380 | serge | 1051 | mov eax, [ecx+SLOT_BASE+APPDATA.fpu_handler] |
1052 | mov [ecx+SLOT_BASE+APPDATA.fpu_handler], ebx |
||
164 | serge | 1053 | mov [esp+36], eax |
1054 | ret |
||
1055 | @@: |
||
1056 | cmp eax, 16 |
||
1057 | ja @f |
||
1058 | |||
188 | serge | 1059 | test ebx, ebx |
1060 | jz .fail |
||
164 | serge | 1061 | add ebx, new_app_base |
172 | serge | 1062 | cmp ebx, new_app_base |
1063 | jb .fail |
||
164 | serge | 1064 | stdcall get_service, ebx |
1065 | mov [esp+36], eax |
||
1066 | ret |
||
1067 | @@: |
||
1068 | cmp eax, 17 |
||
1069 | ja @f |
||
378 | serge | 1070 | call srv_handlerEx ;ebx |
164 | serge | 1071 | mov [esp+36], eax |
1072 | ret |
||
168 | serge | 1073 | @@: |
1074 | cmp eax, 18 |
||
1075 | ja @f |
||
1076 | mov ecx, [CURRENT_TASK] |
||
1077 | shl ecx, 8 |
||
380 | serge | 1078 | mov eax, [ecx+SLOT_BASE+APPDATA.sse_handler] |
1079 | mov [ecx+SLOT_BASE+APPDATA.sse_handler], ebx |
||
168 | serge | 1080 | mov [esp+36], eax |
1081 | ret |
||
164 | serge | 1082 | @@: |
198 | serge | 1083 | cmp eax, 19 |
448 | diamond | 1084 | ja @f |
198 | serge | 1085 | add ebx, new_app_base |
1086 | cmp ebx, new_app_base |
||
1087 | jb .fail |
||
1088 | stdcall load_library, ebx |
||
1089 | mov [esp+36], eax |
||
1090 | ret |
||
227 | serge | 1091 | |
448 | diamond | 1092 | @@: |
1093 | cmp eax, 20 |
||
1094 | ja .fail |
||
1095 | mov eax, ecx |
||
1096 | call user_realloc |
||
1097 | mov [esp+36], eax |
||
1098 | ret |
||
1099 | |||
164 | serge | 1100 | .fail: |
1101 | xor eax, eax |
||
1102 | mov [esp+36], eax |
||
1103 | ret |
||
1104 | |||
1105 | align 4 |
||
1106 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1107 | |||
1108 | mov ecx,[count] |
||
1109 | jecxz .end |
||
1110 | |||
1111 | mov ebx,ecx |
||
1112 | |||
1113 | mov edi,[str1] |
||
1114 | mov esi,edi |
||
1115 | xor eax,eax |
||
1116 | repne scasb |
||
1117 | neg ecx ; cx = count - strlen |
||
1118 | add ecx,ebx ; strlen + count - strlen |
||
1119 | |||
1120 | .okay: |
||
1121 | mov edi,esi |
||
1122 | mov esi,[str2] |
||
1123 | repe cmpsb |
||
1124 | mov al,[esi-1] |
||
1125 | xor ecx,ecx |
||
1126 | |||
1127 | cmp al,[edi-1] |
||
1128 | ja .str2_big |
||
1129 | je .end |
||
1130 | |||
1131 | .str1_big: |
||
1132 | sub ecx,2 |
||
1133 | |||
1134 | .str2_big: |
||
1135 | not ecx |
||
1136 | .end: |
||
1137 | mov eax,ecx |
||
1138 | ret |
||
1139 | endp |
||
1140 | |||
1141 | align 4 |
||
1142 | proc test_cpu |
||
1143 | locals |
||
166 | serge | 1144 | cpu_type dd ? |
1145 | cpu_id dd ? |
||
1146 | cpu_Intel dd ? |
||
1147 | cpu_AMD dd ? |
||
164 | serge | 1148 | endl |
1149 | |||
1150 | mov [cpu_type], 0 |
||
211 | serge | 1151 | xor eax, eax |
1152 | mov [cpu_caps], eax |
||
1153 | mov [cpu_caps+4], eax |
||
164 | serge | 1154 | |
1155 | pushfd |
||
1156 | pop eax |
||
1157 | mov ecx, eax |
||
1158 | xor eax, 0x40000 |
||
1159 | push eax |
||
1160 | popfd |
||
1161 | pushfd |
||
1162 | pop eax |
||
1163 | xor eax, ecx |
||
1164 | mov [cpu_type], CPU_386 |
||
221 | serge | 1165 | jz .end_cpuid |
164 | serge | 1166 | push ecx |
1167 | popfd |
||
1168 | |||
1169 | mov [cpu_type], CPU_486 |
||
1170 | mov eax, ecx |
||
1171 | xor eax, 0x200000 |
||
1172 | push eax |
||
1173 | popfd |
||
1174 | pushfd |
||
1175 | pop eax |
||
1176 | xor eax, ecx |
||
221 | serge | 1177 | je .end_cpuid |
164 | serge | 1178 | mov [cpu_id], 1 |
1179 | |||
1180 | xor eax, eax |
||
1181 | cpuid |
||
1182 | mov [cpu_vendor], ebx |
||
1183 | mov [cpu_vendor+4], edx |
||
1184 | mov [cpu_vendor+8], ecx |
||
1185 | cmp ebx, dword [intel_str] |
||
1186 | jne .check_AMD |
||
1187 | cmp edx, dword [intel_str+4] |
||
1188 | jne .check_AMD |
||
1189 | cmp ecx, dword [intel_str+8] |
||
1190 | jne .check_AMD |
||
1191 | mov [cpu_Intel], 1 |
||
1192 | cmp eax, 1 |
||
1193 | jl .end_cpuid |
||
1194 | mov eax, 1 |
||
1195 | cpuid |
||
1196 | mov [cpu_sign], eax |
||
1197 | mov [cpu_info], ebx |
||
1198 | mov [cpu_caps], edx |
||
1199 | mov [cpu_caps+4],ecx |
||
1200 | |||
1201 | shr eax, 8 |
||
1202 | and eax, 0x0f |
||
1203 | ret |
||
1204 | .end_cpuid: |
||
1205 | mov eax, [cpu_type] |
||
1206 | ret |
||
1207 | |||
1208 | .check_AMD: |
||
1209 | cmp ebx, dword [AMD_str] |
||
221 | serge | 1210 | jne .unknown |
164 | serge | 1211 | cmp edx, dword [AMD_str+4] |
221 | serge | 1212 | jne .unknown |
164 | serge | 1213 | cmp ecx, dword [AMD_str+8] |
221 | serge | 1214 | jne .unknown |
164 | serge | 1215 | mov [cpu_AMD], 1 |
1216 | cmp eax, 1 |
||
221 | serge | 1217 | jl .unknown |
164 | serge | 1218 | mov eax, 1 |
1219 | cpuid |
||
1220 | mov [cpu_sign], eax |
||
1221 | mov [cpu_info], ebx |
||
1222 | mov [cpu_caps], edx |
||
1223 | mov [cpu_caps+4],ecx |
||
1224 | shr eax, 8 |
||
1225 | and eax, 0x0f |
||
1226 | ret |
||
221 | serge | 1227 | .unknown: |
1228 | mov eax, 1 |
||
1229 | cpuid |
||
1230 | mov [cpu_sign], eax |
||
1231 | mov [cpu_info], ebx |
||
1232 | mov [cpu_caps], edx |
||
1233 | mov [cpu_caps+4],ecx |
||
1234 | shr eax, 8 |
||
1235 | and eax, 0x0f |
||
1236 | ret |
||
164 | serge | 1237 | endp |
1238 | |||
1239 | MEM_WB equ 6 ;write-back memory |
||
1240 | MEM_WC equ 1 ;write combined memory |
||
1241 | MEM_UC equ 0 ;uncached memory |
||
1242 | |||
1243 | align 4 |
||
1244 | proc init_mtrr |
||
1245 | |||
412 | serge | 1246 | cmp [BOOT_VAR+0x901c],byte 2 |
164 | serge | 1247 | je .exit |
1248 | |||
211 | serge | 1249 | bt [cpu_caps], CAPS_MTRR |
1250 | jnc .exit |
||
1251 | |||
164 | serge | 1252 | mov eax, cr0 |
1253 | or eax, 0x60000000 ;disable caching |
||
1254 | mov cr0, eax |
||
1255 | wbinvd ;invalidate cache |
||
1256 | |||
1257 | mov ecx, 0x2FF |
||
1258 | rdmsr ; |
||
1259 | push eax |
||
1260 | |||
1261 | xor edx, edx |
||
1262 | xor eax, eax |
||
1263 | mov ecx, 0x2FF |
||
1264 | wrmsr ;disable all MTRR |
||
1265 | |||
1266 | stdcall set_mtrr, dword 0,dword 0,[MEM_AMOUNT],MEM_WB |
||
1267 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1268 | xor edx, edx |
||
1269 | xor eax, eax |
||
1270 | mov ecx, 0x204 |
||
1271 | mov ebx, 6 |
||
1272 | @@: |
||
1273 | wrmsr ;disable unused MTRR |
||
1274 | inc ecx |
||
1275 | wrmsr |
||
1276 | inc ecx |
||
1277 | dec ebx |
||
1278 | jnz @b |
||
1279 | |||
1280 | wbinvd ;again invalidate |
||
1281 | |||
1282 | pop eax |
||
1283 | or eax, 0x800 ;set default memtype to UC |
||
1284 | and al, 0xF0 |
||
1285 | mov ecx, 0x2FF |
||
1286 | wrmsr ;and enable MTRR |
||
1287 | |||
1288 | mov eax, cr0 |
||
1289 | and eax, not 0x60000000 |
||
1290 | mov cr0, eax ; enable caching |
||
1291 | .exit: |
||
1292 | ret |
||
1293 | endp |
||
1294 | |||
1295 | align 4 |
||
1296 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1297 | |||
1298 | xor edx, edx |
||
1299 | mov eax, [base] |
||
1300 | or eax, [mem_type] |
||
1301 | mov ecx, [reg] |
||
1302 | lea ecx, [0x200+ecx*2] |
||
1303 | wrmsr |
||
1304 | |||
1305 | mov ebx, [size] |
||
1306 | dec ebx |
||
1307 | mov eax, 0xFFFFFFFF |
||
1308 | mov edx, 0x0000000F |
||
1309 | sub eax, ebx |
||
1310 | sbb edx, 0 |
||
1311 | or eax, 0x800 |
||
1312 | inc ecx |
||
1313 | wrmsr |
||
1314 | ret |
||
1315 | endp |
||
1316 | |||
172 | serge | 1317 | align 4 |
1318 | proc stall stdcall, delay:dword |
||
1319 | push ecx |
||
1320 | push edx |
||
1321 | push ebx |
||
1322 | push eax |
||
1323 | |||
1324 | mov eax, [delay] |
||
1325 | mul [stall_mcs] |
||
1326 | mov ebx, eax ;low |
||
1327 | mov ecx, edx ;high |
||
1328 | rdtsc |
||
1329 | add ebx, eax |
||
1330 | adc ecx,edx |
||
1331 | @@: |
||
1332 | rdtsc |
||
1333 | sub eax, ebx |
||
1334 | sbb edx, ecx |
||
1335 | jb @B |
||
1336 | |||
1337 | pop eax |
||
1338 | pop ebx |
||
1339 | pop edx |
||
1340 | pop ecx |
||
1341 | ret |
||
1342 | endp |
||
1343 | |||
164 | serge | 1344 | iglobal |
1345 | align 4 |
||
1346 | intel_str db "GenuineIntel",0 |
||
1347 | AMD_str db "AuthenticAMD",0 |
||
1348 | endg |
||
1349 | |||
1350 | uglobal |
||
1351 | align 16 |
||
1352 | irq_tab rd 16 |
||
1353 | |||
1354 | MEM_FreeSpace rd 1 |
||
1355 | |||
1356 | ipc_tmp rd 1 |
||
1357 | ipc_pdir rd 1 |
||
1358 | ipc_ptab rd 1 |
||
1359 | |||
1360 | proc_mem_map rd 1 |
||
1361 | proc_mem_pdir rd 1 |
||
1362 | proc_mem_tab rd 1 |
||
1363 | |||
1364 | tmp_task_pdir rd 1 |
||
1365 | tmp_task_ptab rd 1 |
||
1366 | |||
1367 | fdd_buff rd 1 |
||
214 | serge | 1368 | LFBSize rd 1 |
164 | serge | 1369 | |
172 | serge | 1370 | stall_mcs rd 1 |
164 | serge | 1371 | ;;CPUID information |
1372 | |||
1373 | cpu_vendor rd 3 |
||
1374 | cpu_sign rd 1 |
||
1375 | cpu_info rd 1 |
||
1376 | |||
221 | serge | 1377 | ;;;;; cursors data |
1378 | |||
1379 | align 16 |
||
1380 | cur_saved_data rb 4096 |
||
1381 | |||
1382 | def_cursor rd 1 |
||
233 | serge | 1383 | hw_cursor rd 1 |
221 | serge | 1384 | |
1385 | scr_width rd 1 |
||
1386 | scr_height rd 1 |
||
1387 | |||
1388 | cur_def_interl rd 1 |
||
1389 | cur_saved_base rd 1 |
||
1390 | cur_saved_interl rd 1 |
||
1391 | cur_saved_w rd 1 |
||
1392 | cur_saved_h rd 1 |
||
1393 | |||
164 | serge | 1394 | endg |
1395 | |||
1396 | uglobal |
||
1397 | align 16 |
||
357 | serge | 1398 | fpu_data: |
1399 | rb 512 |
||
227 | serge | 1400 | |
276 | serge | 1401 | mst MEM_STATE |
1402 | |||
227 | serge | 1403 | mem_block_map rb 512 |
354 | serge | 1404 | event_map rb 64 |
227 | serge | 1405 | mem_block_list rd 64 |
1406 | mem_block_mask rd 2 |
||
1407 | |||
278 | serge | 1408 | srv.fd rd 1 |
1409 | srv.bk rd 1 |
||
1410 | |||
357 | serge | 1411 | mem_used.fd rd 1 |
1412 | mem_used.bk rd 1 |
||
1413 | |||
164 | serge | 1414 | mem_block_arr rd 1 |
1415 | mem_block_start rd 1 |
||
1416 | mem_block_end rd 1 |
||
279 | serge | 1417 | |
1418 | heap_mutex rd 1 |
||
170 | serge | 1419 | heap_size rd 1 |
1420 | heap_free rd 1 |
||
1421 | heap_blocks rd 1 |
||
1422 | free_blocks rd 1 |
||
164 | serge | 1423 | |
1424 | page_start rd 1 |
||
1425 | page_end rd 1 |
||
227 | serge | 1426 | events rd 1 |
1427 | event_start rd 1 |
||
1428 | event_end rd 1 |
||
354 | serge | 1429 | event_uid rd 1 |
164 | serge | 1430 | sys_page_map rd 1 |
357 | serge | 1431 | os_stack rd 1 |
164 | serge | 1432 | endg |
1433 | |||
328 | serge | 1434 | if 0 |
1435 | push eax |
||
1436 | push edx |
||
1437 | mov edx, 0x400 ;bocsh |
||
1438 | mov al,0xff ;bocsh |
||
1439 | out dx, al ;bocsh |
||
1440 | pop edx |
||
1441 | pop eax |
||
1442 | end if |
||
164 | serge | 1443 | |
237 | serge | 1444 | align 4 |
1445 | k_strrchr: |
||
1446 | push eax |
||
1447 | xor eax,eax |
||
1448 | or ecx,-1 |
||
1449 | repne scasb |
||
1450 | add ecx,1 |
||
1451 | neg ecx |
||
1452 | sub edi,1 |
||
1453 | pop eax |
||
1454 | std |
||
1455 | repne scasb |
||
1456 | cld |
||
1457 | add edi,1 |
||
1458 | |||
1459 | cmp [edi],al |
||
1460 | jne @F |
||
1461 | mov eax,edi |
||
1462 | ret |
||
1463 | @@: |
||
1464 | xor eax,eax |
||
1465 | ret |
||
1466 | |||
1467 | align 4 |
||
1468 | proc k_strncpy stdcall, dest:dword, src:dword, maxlen:dword |
||
1469 | mov eax, [dest] |
||
1470 | mov esi, [src] |
||
1471 | mov ecx, [maxlen] |
||
1472 | test eax, eax |
||
1473 | jz .L9 |
||
1474 | test esi, esi |
||
1475 | jz .L9 |
||
1476 | test ecx, ecx |
||
1477 | jz .L9 |
||
1478 | |||
1479 | sub esi, eax |
||
1480 | jmp .L1 |
||
1481 | |||
1482 | align 4 |
||
1483 | .L2: |
||
1484 | mov edx, [esi+eax] |
||
1485 | mov [eax], dl |
||
1486 | test dl, dl |
||
1487 | jz .L7 |
||
1488 | |||
1489 | mov [eax+1], dh |
||
1490 | test dh, dh |
||
1491 | jz .L6 |
||
1492 | |||
1493 | shr edx, 16 |
||
1494 | mov [eax+2],dl |
||
1495 | test dl, dl |
||
1496 | jz .L5 |
||
1497 | |||
1498 | mov [eax+3], dh |
||
1499 | test dh, dh |
||
1500 | jz .L4 |
||
1501 | add eax, 4 |
||
1502 | .L1: |
||
1503 | sub ecx, 4 |
||
1504 | jae .L2 |
||
1505 | |||
1506 | add ecx, 4 |
||
1507 | jz .L9 |
||
1508 | |||
1509 | mov dl, [eax+esi] |
||
1510 | mov [eax], dl |
||
1511 | test dl, dl |
||
1512 | jz .L3 |
||
1513 | |||
1514 | inc eax |
||
1515 | dec ecx |
||
1516 | jz .L9 |
||
1517 | |||
1518 | mov dl, [eax+esi] |
||
1519 | mov [eax], dl |
||
1520 | test dl, dl |
||
1521 | jz .L3 |
||
1522 | |||
1523 | inc eax |
||
1524 | dec ecx |
||
1525 | jz .L9 |
||
1526 | |||
1527 | mov dl, [eax+esi] |
||
1528 | mov [eax], dl |
||
1529 | test dl, dl |
||
1530 | jz .L3 |
||
1531 | |||
1532 | inc eax |
||
1533 | jmp .L9 |
||
1534 | |||
1535 | .L4: dec ecx |
||
1536 | inc eax |
||
1537 | |||
1538 | .L5: dec ecx |
||
1539 | inc eax |
||
1540 | |||
1541 | .L6: dec ecx |
||
1542 | inc eax |
||
1543 | .L7: |
||
1544 | add ecx,3 |
||
1545 | jz .L9 |
||
1546 | .L8: |
||
1547 | mov byte [ecx+eax], 0 |
||
1548 | .L3: |
||
1549 | dec ecx |
||
1550 | jnz .L8 |
||
1551 | .L9: |
||
1552 | ret |
||
1553 | endp |
||
1554 | |||
1555 | if 0 |
||
1556 | |||
1557 | magic equ 0xfefefeff |
||
1558 | |||
1559 | k_strlen: |
||
1560 | mov eax,[esp+4] |
||
1561 | mov edx, 3 |
||
1562 | |||
1563 | and edx, eax |
||
1564 | jz .L1 |
||
1565 | jp .L0 |
||
1566 | |||
1567 | cmp dh, byte [eax] |
||
1568 | je .L2 |
||
1569 | |||
1570 | inc eax |
||
1571 | cmp dh, byte [eax] |
||
1572 | |||
1573 | je .L2 |
||
1574 | |||
1575 | inc eax |
||
1576 | xor edx, 2 |
||
1577 | |||
1578 | jz .L1 |
||
1579 | .L0: |
||
1580 | cmp dh, [eax] |
||
1581 | je .L2 |
||
1582 | |||
1583 | inc eax |
||
1584 | xor edx, edx |
||
1585 | |||
1586 | .L1: |
||
1587 | mov ecx, [eax] |
||
1588 | add eax, 4 |
||
1589 | |||
1590 | sub edx, ecx |
||
1591 | add ecx, magic |
||
1592 | |||
1593 | dec edx |
||
1594 | jnc .L3 |
||
1595 | |||
1596 | xor edx, ecx |
||
1597 | and edx, not magic |
||
1598 | jne .L3 |
||
1599 | |||
1600 | mov ecx, [eax] |
||
1601 | add eax, 4 |
||
1602 | |||
1603 | sub edx, ecx |
||
1604 | add ecx, magic |
||
1605 | dec edx |
||
1606 | jnc .L3 |
||
1607 | |||
1608 | xor edx, ecx |
||
1609 | and edx, not magic |
||
1610 | jne .L3 |
||
1611 | |||
1612 | mov ecx, [eax] |
||
1613 | add eax, 4 |
||
1614 | |||
1615 | sub edx, ecx |
||
1616 | add ecx, magic |
||
1617 | |||
1618 | dec edx |
||
1619 | jnc .L3 |
||
1620 | |||
1621 | xor edx, ecx |
||
1622 | |||
1623 | and edx, not magic |
||
1624 | jne .L3 |
||
1625 | |||
1626 | mov ecx, [eax] |
||
1627 | add eax, 4 |
||
1628 | |||
1629 | sub edx, ecx |
||
1630 | add ecx, magic |
||
1631 | |||
1632 | dec edx |
||
1633 | jnc .L3 |
||
1634 | |||
1635 | xor edx, ecx |
||
1636 | |||
1637 | and edx, not magic |
||
1638 | je .L1 |
||
1639 | |||
1640 | .L3: sub eax ,4 |
||
1641 | sub ecx, magic |
||
1642 | |||
1643 | cmp cl, 0 |
||
1644 | jz .L2 |
||
1645 | |||
1646 | inc eax |
||
1647 | test ch, ch |
||
1648 | jz .L2 |
||
1649 | |||
1650 | shr ecx, 16 |
||
1651 | inc eax |
||
1652 | |||
1653 | cmp cl,0 |
||
1654 | jz .L2 |
||
1655 | |||
1656 | inc eax |
||
1657 | |||
1658 | .L2: |
||
1659 | sub eax, [esp+4] |
||
1660 | ret |
||
1661 | |||
1662 | end if0>> |