Rev 168 | Rev 172 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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164 | serge | 1 | |
2 | |||
3 | |||
4 | proc mem_test |
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5 | mov eax, cr0 |
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6 | or eax, (CR0_CD+CR0_NW);disable caching |
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168 | serge | 7 | mov cr0, eax |
164 | serge | 8 | wbinvd ;invalidate cache |
168 | serge | 9 | |
164 | serge | 10 | |
11 | mov ebx, 'TEST' |
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12 | @@: |
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13 | add edi, 0x400000 |
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14 | xchg ebx, dword [edi] |
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15 | cmp dword [edi], 'TEST' |
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16 | xchg ebx, dword [edi] |
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17 | je @b |
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18 | |||
19 | |||
168 | serge | 20 | mov cr0, eax |
164 | serge | 21 | mov eax, edi |
22 | ret |
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23 | endp |
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24 | |||
25 | |||
26 | proc init_memEx |
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27 | xor eax, eax |
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28 | mov edi, sys_pgdir |
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29 | mov ecx, 2048 |
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30 | rep stosd |
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31 | |||
32 | |||
33 | jnc .no_PSE |
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34 | |||
35 | |||
36 | or ebx, CR4_PSE |
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37 | mov eax, PG_LARGE+PG_SW |
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38 | bt [cpu_caps], CAPS_PGE |
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39 | jnc @F |
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40 | or eax, PG_GLOBAL |
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41 | or ebx, CR4_PGE |
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42 | |||
168 | serge | 43 | |
164 | serge | 44 | mov cr4, ebx |
168 | serge | 45 | |
46 | |||
164 | serge | 47 | add eax, 0x00400000 |
48 | mov dword [sys_pgdir+4], eax |
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49 | add eax, 0x00400000 |
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50 | mov dword [sys_pgdir+8], eax |
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51 | add eax, 0x00400000 |
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52 | mov dword [sys_pgdir+12], eax |
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53 | |||
54 | |||
55 | mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW |
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56 | |||
57 | |||
58 | sub ecx, 4 |
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59 | mov eax, tmp_page_tab+PG_SW |
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60 | mov edi, sys_pgdir+16 |
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61 | mov esi, sys_master_tab+16 |
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62 | |||
63 | |||
64 | .no_PSE: |
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65 | mov eax, PG_SW |
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66 | mov esi, tmp_page_tab |
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67 | mov ecx, 4096/4 ;0x0 - 0x00FFFFFF |
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68 | .map_low: |
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69 | mov [esi], eax |
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70 | add eax, 0x1000 |
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71 | mov [esi+4], eax |
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72 | add eax, 0x1000 |
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73 | mov [esi+8], eax |
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74 | add eax, 0x1000 |
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75 | mov [esi+12], eax |
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76 | add eax, 0x1000 |
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77 | add esi, 16 |
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78 | dec ecx |
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79 | jnz .map_low ;ядро |
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80 | |||
81 | |||
82 | mov eax, tmp_page_tab+PG_SW |
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83 | mov edi, sys_pgdir |
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84 | mov esi, sys_master_tab |
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85 | |||
86 | |||
87 | |||
88 | |||
89 | mov [esi], eax |
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90 | add eax, 0x1000 |
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91 | add edi, 4 |
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92 | add esi, 4 |
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93 | dec ecx |
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94 | jnz .map_kernel_tabs |
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95 | |||
96 | |||
97 | bt [cpu_caps], CAPS_PSE |
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98 | jc @F |
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99 | add edi, 4096*4 ;skip low kernel memory |
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100 | @@: |
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101 | mov ecx, [pg_data.kernel_tables] |
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102 | sub ecx, 4 |
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103 | shl ecx, 10 |
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104 | xor eax, eax |
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105 | cld |
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106 | rep stosd |
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107 | |||
108 | |||
109 | mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW |
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110 | ret |
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111 | endp |
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112 | |||
113 | |||
114 | proc init_page_map |
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115 | mov edi, sys_pgmap |
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116 | mov ecx, 512/4 |
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117 | xor eax,eax |
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118 | cld |
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119 | rep stosd |
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120 | |||
121 | |||
122 | mov ecx, [pg_data.pagemap_size] |
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123 | sub ecx, 512 |
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124 | shr ecx, 2 |
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125 | rep stosd |
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126 | |||
127 | |||
128 | mov edx, [pg_data.pages_count] |
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129 | mov ecx, [pg_data.kernel_tables] |
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130 | bt [cpu_caps], CAPS_PSE |
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131 | jnc @f |
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132 | sub ecx, 4 |
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133 | @@: |
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134 | sub edx, 4096 |
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135 | sub edx, ecx |
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136 | mov [pg_data.pages_free], edx |
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137 | |||
138 | |||
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 | |||
144 | mov ecx, ebx |
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145 | and ecx, 31 |
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146 | shl eax, cl |
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147 | stosd |
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148 | |||
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 | |||
155 | |||
156 | |||
157 | endp |
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158 | |||
159 | |||
160 | proc alloc_page |
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161 | |||
162 | |||
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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179 | shl ebx, 3 |
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180 | add eax,ebx |
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181 | shl eax, 12 |
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182 | dec [pg_data.pages_free] |
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183 | popfd |
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184 | ret |
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185 | endp |
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186 | |||
187 | |||
188 | proc alloc_pages stdcall, count:dword |
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189 | pushfd |
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190 | cli |
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191 | mov eax, [count] |
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192 | add eax, 7 |
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193 | shr eax, 3 |
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194 | mov [count], eax |
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195 | cmp eax, [pg_data.pages_free] |
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196 | ja .fail |
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197 | |||
198 | |||
199 | mov ebx, [page_end] |
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200 | .find: |
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201 | mov edx, [count] |
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202 | mov edi, ecx |
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203 | |||
204 | |||
205 | cmp byte [ecx], 0xFF |
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206 | jne .next |
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207 | dec edx |
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208 | jz .ok |
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209 | inc ecx |
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210 | cmp ecx,ebx |
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211 | jb .match |
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212 | .fail: xor eax, eax |
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213 | popfd |
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214 | ret |
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215 | .next: |
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216 | inc ecx |
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217 | cmp ecx, ebx |
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218 | jb .find |
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219 | popfd |
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220 | xor eax, eax |
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221 | ret |
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222 | .ok: |
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223 | sub ecx, edi |
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224 | inc ecx |
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225 | mov esi, edi |
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226 | xor eax, eax |
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227 | rep stosb |
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228 | sub esi, sys_pgmap |
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229 | shl esi, 3+12 |
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230 | mov eax, esi |
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231 | mov ebx, [count] |
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232 | shl ebx, 3 |
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233 | sub [pg_data.pages_free], ebx |
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234 | popfd |
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235 | ret |
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236 | endp |
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237 | |||
238 | |||
239 | proc map_page stdcall,lin_addr:dword,phis_addr:dword,flags:dword |
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240 | mov eax, [phis_addr] |
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241 | and eax, not 0xFFF |
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242 | or eax, [flags] |
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243 | mov ebx, [lin_addr] |
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244 | shr ebx, 12 |
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245 | mov [pages_tab+ebx*4], eax |
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246 | mov eax, [lin_addr] |
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247 | invlpg [eax] |
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248 | ret |
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249 | endp |
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250 | |||
251 | |||
252 | proc free_page |
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253 | ;arg: eax page address |
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254 | pushfd |
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255 | cli |
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256 | inc [pg_data.pages_free] |
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257 | shr eax, 12 ;page index |
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258 | mov ebx, sys_pgmap |
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259 | bts [ebx], eax ;that's all! |
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260 | shr eax, 3 |
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261 | and eax, not 3 ;dword offset from page_map |
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262 | add eax, ebx |
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263 | cmp [page_start], eax |
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264 | ja @f |
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265 | popfd |
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266 | ret |
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267 | @@: |
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268 | mov [page_start], eax |
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269 | popfd |
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270 | ret |
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271 | endp |
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272 | |||
273 | |||
274 | proc map_page_table stdcall,page_dir:dword, lin_addr:dword, phis_addr:dword |
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275 | mov ebx, [lin_addr] |
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276 | shr ebx, 22 |
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277 | mov eax, [phis_addr] |
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278 | and eax, not 0xFFF |
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279 | or eax, PG_UW ;+PG_NOCACHE |
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280 | mov ecx, [page_dir] |
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281 | mov dword [ecx+ebx*4], eax |
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282 | mov dword [master_tab+ebx*4], eax |
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283 | mov eax, [lin_addr] |
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284 | shr eax, 10 |
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285 | add eax, pages_tab |
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286 | invlpg [eax] |
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287 | ret |
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288 | endp |
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289 | |||
290 | |||
291 | proc init_LFB |
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292 | |||
293 | |||
294 | jne @f |
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295 | |||
296 | |||
297 | mov [LFBAddress], eax |
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298 | ret |
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299 | @@: |
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300 | test [SCR_MODE],word 0100000000000000b |
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301 | jz @f |
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302 | call map_LFB |
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303 | @@: |
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304 | ret |
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305 | endp |
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306 | |||
307 | |||
308 | proc map_LFB |
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309 | locals |
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310 | pg_count dd ? |
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311 | endl |
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312 | |||
313 | |||
314 | mov esi, [LFBAddress] |
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315 | shr edi, 12 |
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316 | mov [pg_count], edi |
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317 | shr edi, 10 |
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318 | |||
319 | |||
320 | jnc .map_page_tables |
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321 | mov ebx, esi |
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322 | or esi, PG_LARGE+PG_UW |
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323 | shr ebx, 20 |
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324 | mov ecx, ebx |
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325 | @@: |
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326 | mov [sys_pgdir+ebx], esi |
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327 | add ebx, 4 |
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328 | add esi, 0x00400000 |
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329 | dec edi |
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330 | jnz @B |
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331 | |||
332 | |||
333 | mov eax, cr3 ;flush TLB |
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334 | mov cr3, eax |
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335 | ret |
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336 | |||
337 | |||
338 | |||
339 | |||
340 | call alloc_page |
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341 | stdcall map_page_table,sys_pgdir, esi, eax |
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342 | add esi, 0x00400000 |
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343 | dec edi |
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344 | jnz @B |
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345 | |||
346 | |||
347 | mov esi, eax |
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348 | shr esi, 10 |
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349 | add esi, pages_tab |
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350 | or eax, PG_UW |
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351 | mov ecx, [pg_count] |
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352 | shr ecx, 2 |
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353 | .map: |
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354 | mov [esi], eax |
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355 | add eax, 0x1000 |
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356 | mov [esi+4], eax |
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357 | add eax, 0x1000 |
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358 | mov [esi+8], eax |
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359 | add eax, 0x1000 |
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360 | mov [esi+12], eax |
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361 | add eax, 0x1000 |
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362 | add esi, 16 |
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363 | sub ecx, 1 |
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364 | jnz .map |
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365 | |||
366 | |||
367 | mov cr3, eax |
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368 | |||
369 | |||
370 | endp |
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371 | |||
372 | |||
373 | proc new_mem_resize stdcall, new_size:dword |
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374 | |||
375 | |||
376 | |||
377 | |||
378 | add edi,4095 |
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379 | and edi,not 4095 |
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380 | mov [new_size], edi |
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381 | |||
382 | |||
383 | shl edx,8 |
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384 | mov esi, [PROC_BASE+0x8c+edx] |
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385 | add esi, 4095 |
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386 | and esi, not 4095 |
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387 | |||
388 | |||
389 | jae .expand |
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390 | |||
391 | |||
392 | shr esi, 12 |
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393 | @@: |
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394 | mov eax, [pages_tab+0x00181000+edi*4] |
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395 | test eax, 1 |
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396 | jz .next |
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397 | mov dword [pages_tab+0x00181000+edi*4], 2 |
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398 | mov ebx, edi |
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399 | shl ebx, 12 |
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400 | invlpg [ebx+std_application_base_address] |
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401 | call free_page |
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402 | |||
403 | |||
404 | cmp edi, esi |
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405 | jb @B |
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406 | |||
407 | |||
408 | |||
409 | |||
410 | mov [PROC_BASE+0x8c+edx],ebx |
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411 | |||
412 | |||
413 | ;application memory size infomation |
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414 | mov ecx,[PROC_BASE+0xb8+edx] |
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415 | mov eax,2 |
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416 | |||
417 | |||
418 | ;eax = current slot |
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419 | ;ebx = new memory size |
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420 | ;ecx = page directory |
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421 | cmp eax,[TASK_COUNT] |
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422 | jg .search_threads_end |
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423 | mov edx,eax |
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424 | shl edx,5 |
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425 | cmp word [CURRENT_TASK+edx+0xa],9 ;if slot empty? |
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426 | jz .search_threads_next |
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427 | shl edx,3 |
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428 | cmp [PROC_BASE+edx+0xb8],ecx ;if it is our thread? |
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429 | jnz .search_threads_next |
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430 | mov [PROC_BASE+edx+0x8c],ebx ;update memory size |
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431 | .search_threads_next: |
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432 | inc eax |
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433 | jmp .search_threads |
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434 | .search_threads_end: |
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435 | xor eax, eax |
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436 | dec [pg_data.pg_mutex] |
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437 | ret |
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438 | |||
439 | |||
440 | add edi, new_app_base |
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441 | add esi, new_app_base |
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442 | |||
443 | |||
444 | push edi |
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445 | |||
446 | |||
447 | and edi, not(0x3FFFFF) |
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448 | add esi, 0x3FFFFF |
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449 | and esi, not(0x3FFFFF) |
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450 | |||
451 | |||
452 | jae .grow |
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453 | |||
454 | |||
455 | |||
456 | |||
457 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW+PG_NOCACHE |
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458 | |||
459 | |||
460 | call alloc_page |
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461 | test eax, eax |
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462 | jz .exit |
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463 | |||
464 | |||
465 | |||
466 | |||
467 | shr edi, 10 |
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468 | add edi, pages_tab |
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469 | mov ecx, 1024 |
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470 | xor eax, eax |
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471 | cld |
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472 | rep stosd |
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473 | pop edi |
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474 | |||
475 | |||
476 | cmp edi, esi |
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477 | jb @B |
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478 | |||
479 | |||
480 | .grow: |
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481 | pop edi |
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482 | pop esi |
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483 | @@: |
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484 | call alloc_page |
||
485 | test eax, eax |
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486 | jz .exit |
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487 | stdcall map_page,esi,eax,dword PG_UW |
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488 | |||
489 | |||
490 | mov edi, esi |
||
491 | xor eax, eax |
||
492 | mov ecx, 1024 |
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493 | cld |
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494 | rep stosd |
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495 | pop edi |
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496 | |||
497 | |||
498 | cmp esi, edi |
||
499 | jna @B |
||
500 | |||
501 | |||
502 | .exit: |
||
503 | xor eax, eax |
||
504 | inc eax |
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505 | dec [pg_data.pg_mutex] |
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506 | ret |
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507 | endp |
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508 | |||
509 | |||
510 | proc get_pg_addr stdcall, lin_addr:dword |
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511 | mov ebx, [lin_addr] |
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512 | shr ebx, 12 |
||
513 | mov eax, [pages_tab+ebx*4] |
||
514 | and eax, 0xFFFFF000 |
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515 | ret |
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516 | endp |
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517 | |||
518 | |||
519 | proc page_fault_handler |
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520 | pushad |
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521 | |||
522 | |||
523 | mov eax, cr2 |
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524 | sub esp, 4 |
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525 | mov [esp], eax |
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526 | push ds |
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527 | |||
528 | |||
529 | mov ds, ax |
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530 | |||
531 | |||
532 | ; mov al,0xff ;bocsh |
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533 | ; out dx, al ;bocsh |
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534 | ; nop ;bocsh fix |
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535 | |||
536 | |||
537 | |||
538 | |||
539 | |||
540 | jae .lfb_addr |
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541 | |||
542 | |||
543 | jae .user_space |
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544 | |||
545 | |||
546 | jae .tab_space |
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547 | |||
548 | |||
549 | |||
550 | |||
551 | inc [pg_data.pages_faults] |
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552 | |||
553 | |||
554 | mov eax, [pages_tab+ebx*4] |
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555 | |||
556 | |||
557 | mov edx, [master_tab+ebx*4] |
||
558 | |||
559 | |||
560 | jz .exit |
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561 | |||
562 | |||
563 | and eax, eax |
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564 | jz .exit |
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565 | |||
566 | |||
567 | |||
568 | |||
569 | and esi, 0xFFFFF000 |
||
570 | mov ecx, 1024 |
||
571 | xor eax, eax |
||
572 | @@: |
||
573 | mov [esi], eax |
||
574 | add esi, 4 |
||
575 | dec ecx |
||
576 | jnz @B |
||
577 | .exit: |
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578 | pop ds |
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579 | mov esp, ebp |
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580 | popad |
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581 | add esp, 4 |
||
582 | iretd |
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583 | |||
584 | |||
585 | shr ebx, 12 |
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586 | mov eax, [pages_tab+ebx*4] |
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587 | shr ebx, 10 |
||
588 | mov eax, [master_tab+ebx*4] |
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589 | |||
590 | |||
591 | mov esp, ebp |
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592 | popad |
||
593 | add esp, 4 |
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594 | iretd |
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595 | |||
596 | |||
597 | shr ebx, 12 |
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598 | ; mov eax, [pages_tab+ebx*4] |
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599 | shr ebx, 10 |
||
600 | mov eax, [master_tab+ebx*4] |
||
601 | |||
602 | |||
603 | mov esp, ebp |
||
604 | popad |
||
605 | add esp, 4 |
||
606 | iretd |
||
607 | |||
608 | |||
609 | shr ebx, 22 |
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610 | ;mov ecx, [sys_page_dir] |
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611 | mov eax, [master_tab+ebx*4] |
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612 | |||
613 | |||
614 | mov esp, ebp |
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615 | popad |
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616 | add esp, 4 |
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617 | iretd |
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618 | |||
619 | |||
620 | shr ebx, 12 |
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621 | ; mov eax, [pages_tab+ebx*4] |
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622 | shr ebx, 10 |
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623 | ;mov ecx, [sys_page_dir] |
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624 | mov eax, [master_tab+ebx*4] |
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625 | |||
626 | |||
627 | mov esp, ebp |
||
628 | popad |
||
629 | add esp, 4 |
||
630 | iretd |
||
631 | endp |
||
632 | |||
633 | |||
634 | proc map_mem stdcall, lin_addr:dword,pdir:dword,\ |
||
635 | ofs:dword,buf_size:dword |
||
636 | mov eax, [buf_size] |
||
637 | test eax, eax |
||
638 | jz .exit |
||
639 | |||
640 | |||
641 | and eax, 0xFFFFF000 |
||
642 | |||
643 | |||
644 | mov ebx, [ofs] |
||
645 | shr ebx, 22 |
||
646 | mov esi, [ipc_pdir] |
||
647 | mov edi, [ipc_ptab] |
||
648 | mov eax, [esi+ebx*4] |
||
649 | and eax, 0xFFFFF000 |
||
650 | test eax, eax |
||
651 | jz .exit |
||
652 | stdcall map_page,edi,eax,dword PG_UW |
||
653 | ; inc ebx |
||
654 | ; add edi, 0x1000 |
||
655 | ; mov eax, [esi+ebx*4] |
||
656 | ; test eax, eax |
||
657 | ; jz @f |
||
658 | ; and eax, 0xFFFFF000 |
||
659 | ; stdcall map_page, edi, eax |
||
660 | |||
661 | |||
662 | and edi, 0xFFFFF000 |
||
663 | mov ecx, [buf_size] |
||
664 | add ecx, 4095 |
||
665 | shr ecx, 12 |
||
666 | inc ecx |
||
667 | |||
668 | |||
669 | shr edx, 12 |
||
670 | and edx, 0x3FF |
||
671 | mov esi, [ipc_ptab] |
||
672 | |||
673 | |||
674 | and eax, 0xFFFFF000 |
||
675 | test eax, eax |
||
676 | jz .exit |
||
677 | stdcall map_page,edi,eax,dword PG_UW |
||
678 | add edi, 0x1000 |
||
679 | inc edx |
||
680 | dec ecx |
||
681 | jnz .map |
||
682 | |||
683 | |||
684 | ret |
||
685 | endp |
||
686 | |||
687 | |||
688 | proc map_memEx stdcall, lin_addr:dword,pdir:dword,\ |
||
689 | ofs:dword,buf_size:dword |
||
690 | mov eax, [buf_size] |
||
691 | test eax, eax |
||
692 | jz .exit |
||
693 | |||
694 | |||
695 | and eax, 0xFFFFF000 |
||
696 | |||
697 | |||
698 | mov ebx, [ofs] |
||
699 | shr ebx, 22 |
||
700 | mov esi, [proc_mem_pdir] |
||
701 | mov edi, [proc_mem_tab] |
||
702 | mov eax, [esi+ebx*4] |
||
703 | and eax, 0xFFFFF000 |
||
704 | test eax, eax |
||
705 | jz .exit |
||
706 | stdcall map_page,edi,eax,dword PG_UW |
||
707 | |||
708 | |||
709 | and edi, 0xFFFFF000 |
||
710 | mov ecx, [buf_size] |
||
711 | add ecx, 4095 |
||
712 | shr ecx, 12 |
||
713 | inc ecx |
||
714 | |||
715 | |||
716 | shr edx, 12 |
||
717 | and edx, 0x3FF |
||
718 | mov esi, [proc_mem_tab] |
||
719 | |||
720 | |||
721 | ; and eax, 0xFFFFF000 |
||
722 | ; test eax, eax |
||
723 | ; jz .exit |
||
724 | stdcall map_page,edi,eax,dword PG_UW |
||
725 | add edi, 0x1000 |
||
726 | inc edx |
||
727 | dec ecx |
||
728 | jnz .map |
||
729 | .exit: |
||
730 | ret |
||
731 | endp |
||
732 | |||
733 | |||
734 | |||
735 | |||
736 | |||
737 | ;input: |
||
738 | ; eax=1 - set ipc buffer area |
||
739 | ; ebx=address of buffer |
||
740 | ; ecx=size of buffer |
||
741 | ; eax=2 - send message |
||
742 | ; ebx=PID |
||
743 | ; ecx=address of message |
||
744 | ; edx=size of message |
||
745 | |||
746 | |||
747 | jne @f |
||
748 | call set_ipc_buff |
||
749 | mov [esp+36], eax |
||
750 | ret |
||
751 | |||
752 | |||
753 | cmp eax, 2 |
||
754 | jne @f |
||
755 | stdcall sys_ipc_send, ebx, ecx, edx |
||
756 | mov [esp+36], eax |
||
757 | ret |
||
758 | |||
759 | |||
760 | xor eax, eax |
||
761 | not eax |
||
762 | mov [esp+36], eax |
||
763 | ret |
||
764 | |||
765 | |||
766 | proc set_ipc_buff |
||
767 | |||
768 | |||
769 | shl eax,8 |
||
770 | add eax, PROC_BASE |
||
771 | pushf |
||
772 | cli |
||
773 | mov [eax+0xA0],ebx ;set fields in extended information area |
||
774 | mov [eax+0xA4],ecx |
||
775 | |||
776 | |||
777 | add ecx, ebx |
||
778 | add ecx, 4095 |
||
779 | and ecx, not 4095 |
||
780 | |||
781 | |||
782 | add ebx, 0x1000 |
||
783 | cmp ebx, ecx |
||
784 | jna .touch |
||
785 | |||
786 | |||
787 | xor eax, eax |
||
788 | ret |
||
789 | endp |
||
790 | |||
791 | |||
792 | locals |
||
793 | dst_slot dd ? |
||
794 | dst_offset dd ? |
||
795 | buf_size dd ? |
||
796 | endl |
||
797 | |||
798 | |||
799 | cli |
||
800 | |||
801 | |||
802 | call pid_to_slot |
||
803 | test eax,eax |
||
804 | jz .no_pid |
||
805 | |||
806 | |||
807 | shl eax,8 |
||
808 | mov edi,[eax+PROC_BASE+0xa0] ;is ipc area defined? |
||
809 | test edi,edi |
||
810 | jz .no_ipc_area |
||
811 | |||
812 | |||
813 | add edi, new_app_base |
||
814 | and ebx, 0xFFF |
||
815 | mov [dst_offset], ebx |
||
816 | |||
817 | |||
818 | mov [buf_size], esi |
||
819 | |||
820 | |||
821 | edi, esi |
||
822 | |||
823 | |||
824 | add edi, [ipc_tmp] |
||
825 | cmp dword [edi], 0 |
||
826 | jnz .ipc_blocked ;if dword [buffer]<>0 - ipc blocked now |
||
827 | mov ebx, dword [edi+4] |
||
828 | mov edx, ebx |
||
829 | add ebx, 8 |
||
830 | add ebx, [msg_size] |
||
831 | cmp ebx, [buf_size] |
||
832 | ja .buffer_overflow ;esi<0 - not enough memory in buffer |
||
833 | mov dword [edi+4], ebx |
||
834 | mov eax,[TASK_BASE] |
||
835 | mov eax, [eax+0x04] ;eax - our PID |
||
836 | mov edi, [dst_offset] |
||
837 | add edi, [ipc_tmp] |
||
838 | add edi, edx |
||
839 | mov [edi], eax |
||
840 | mov ecx, [msg_size] |
||
841 | |||
842 | |||
843 | add edi, 8 |
||
844 | mov esi, [msg_addr] |
||
845 | add esi, new_app_base |
||
846 | cld |
||
847 | rep movsb |
||
848 | |||
849 | |||
850 | mov edx, ebx |
||
851 | shr ebx, 12 |
||
852 | xor eax, eax |
||
853 | mov [pages_tab+ebx*4], eax |
||
854 | invlpg [edx] |
||
855 | |||
856 | |||
857 | mov edx, ebx |
||
858 | shr ebx, 12 |
||
859 | xor eax, eax |
||
860 | mov [pages_tab+ebx*4], eax |
||
861 | invlpg [edx] |
||
862 | |||
863 | |||
864 | mov edx, ebx |
||
865 | shr ebx, 12 |
||
866 | xor eax, eax |
||
867 | mov [pages_tab+ebx*4], eax |
||
868 | invlpg [edx] |
||
869 | |||
870 | |||
871 | shl eax, 8 |
||
872 | or [eax+PROC_BASE+0xA8],dword 0x40 |
||
873 | cmp dword [check_idle_semaphore],20 |
||
874 | jge .ipc_no_cis |
||
875 | |||
876 | |||
877 | .ipc_no_cis: |
||
878 | popf |
||
879 | xor eax, eax |
||
880 | ret |
||
881 | .no_pid: |
||
882 | popf |
||
883 | mov eax, 4 |
||
884 | ret |
||
885 | .no_ipc_area: |
||
886 | popf |
||
887 | xor eax, eax |
||
888 | inc eax |
||
889 | ret |
||
890 | .ipc_blocked: |
||
891 | popf |
||
892 | mov eax, 2 |
||
893 | ret |
||
894 | .buffer_overflow: |
||
895 | popf |
||
896 | mov eax, 3 |
||
897 | ret |
||
898 | endp |
||
899 | |||
900 | |||
901 | sysfn_meminfo: |
||
170 | serge | 902 | |
164 | serge | 903 | |
170 | serge | 904 | mov eax, [pg_data.pages_count] |
164 | serge | 905 | mov [ebx], eax |
170 | serge | 906 | mov ecx, [pg_data.pages_free] |
907 | mov [ebx+4], ecx |
||
908 | mov edx, [pg_data.pages_faults] |
||
909 | mov [ebx+8], edx |
||
910 | mov esi, [heap_size] |
||
911 | mov [ebx+12], esi |
||
912 | mov edi, [heap_free] |
||
913 | mov [ebx+16], edi |
||
914 | mov eax, [heap_blocks] |
||
915 | mov [ebx+20], eax |
||
916 | mov ecx, [free_blocks] |
||
917 | mov [ebx+24], ecx |
||
918 | |||
164 | serge | 919 | |
920 | |||
921 | |||
922 | new_services: |
||
923 | |||
924 | |||
925 | jle sys_sheduler |
||
926 | |||
927 | |||
170 | serge | 928 | jb .fail |
164 | serge | 929 | ja @f |
930 | |||
931 | |||
170 | serge | 932 | ; stdcall get_mem_info, ebx |
933 | ; mov [esp+36], eax |
||
934 | ; ret |
||
935 | ;@@: |
||
936 | ; cmp eax, 11 |
||
937 | ; ja @f |
||
938 | |||
164 | serge | 939 | |
940 | mov [esp+36], eax |
||
941 | ret |
||
942 | @@: |
||
943 | cmp eax, 12 |
||
944 | ja @f |
||
945 | |||
946 | |||
947 | mov [esp+36], eax |
||
948 | ret |
||
949 | @@: |
||
950 | cmp eax, 13 |
||
951 | ja @f |
||
952 | |||
953 | |||
954 | mov [esp+36], eax |
||
955 | ret |
||
956 | @@: |
||
957 | cmp eax, 14 |
||
958 | ja @f |
||
959 | add ebx,new_app_base |
||
960 | stdcall get_notify, ebx |
||
961 | ret |
||
962 | @@: |
||
963 | cmp eax, 15 |
||
964 | ja @f |
||
965 | mov ecx, [CURRENT_TASK] |
||
966 | shl ecx, 8 |
||
967 | mov eax, [ecx+PROC_BASE+APPDATA.fpu_handler] |
||
968 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], ebx |
||
969 | mov [esp+36], eax |
||
970 | ret |
||
971 | @@: |
||
972 | cmp eax, 16 |
||
973 | ja @f |
||
974 | |||
975 | |||
976 | stdcall get_service, ebx |
||
977 | mov [esp+36], eax |
||
978 | ret |
||
979 | @@: |
||
980 | cmp eax, 17 |
||
981 | ja @f |
||
982 | stdcall srv_handlerEx, ebx |
||
983 | mov [esp+36], eax |
||
984 | ret |
||
985 | @@: |
||
168 | serge | 986 | cmp eax, 18 |
987 | ja @f |
||
988 | mov ecx, [CURRENT_TASK] |
||
989 | shl ecx, 8 |
||
990 | mov eax, [ecx+PROC_BASE+APPDATA.sse_handler] |
||
991 | mov [ecx+PROC_BASE+APPDATA.sse_handler], ebx |
||
992 | mov [esp+36], eax |
||
993 | ret |
||
994 | |||
164 | serge | 995 | |
996 | .fail: |
||
997 | xor eax, eax |
||
998 | mov [esp+36], eax |
||
999 | ret |
||
1000 | |||
1001 | |||
1002 | |||
1003 | proc strncmp stdcall, str1:dword, str2:dword, count:dword |
||
1004 | |||
1005 | |||
1006 | jecxz .end |
||
1007 | |||
1008 | |||
1009 | |||
1010 | |||
1011 | mov esi,edi |
||
1012 | xor eax,eax |
||
1013 | repne scasb |
||
1014 | neg ecx ; cx = count - strlen |
||
1015 | add ecx,ebx ; strlen + count - strlen |
||
1016 | |||
1017 | |||
1018 | mov edi,esi |
||
1019 | mov esi,[str2] |
||
1020 | repe cmpsb |
||
1021 | mov al,[esi-1] |
||
1022 | xor ecx,ecx |
||
1023 | |||
1024 | |||
1025 | ja .str2_big |
||
1026 | je .end |
||
1027 | |||
1028 | |||
1029 | sub ecx,2 |
||
1030 | |||
1031 | |||
1032 | not ecx |
||
1033 | .end: |
||
1034 | mov eax,ecx |
||
1035 | ret |
||
1036 | endp |
||
1037 | |||
1038 | |||
1039 | proc fpu_save |
||
1040 | clts |
||
1041 | mov ebx, [fpu_owner] |
||
1042 | shl ebx, 8 |
||
1043 | mov eax, [ebx+PROC_BASE+0x10] |
||
1044 | mov ebx, [CURRENT_TASK] |
||
1045 | mov [fpu_owner], ebx |
||
1046 | |||
1047 | |||
1048 | jnc .no_SSE |
||
1049 | |||
1050 | |||
1051 | ret |
||
1052 | .no_SSE: |
||
1053 | fnsave [eax] |
||
1054 | ret |
||
1055 | endp |
||
1056 | |||
1057 | |||
1058 | proc fpu_restore |
||
1059 | mov ebx, [CURRENT_TASK] |
||
1060 | shl ebx, 8 |
||
1061 | mov eax, [ebx+PROC_BASE+0x10] |
||
1062 | bt [cpu_caps], CAPS_FXSR |
||
1063 | jnc .no_SSE |
||
1064 | |||
1065 | |||
1066 | ret |
||
1067 | .no_SSE: |
||
1068 | frstor [eax] |
||
1069 | ret |
||
1070 | endp |
||
1071 | |||
1072 | |||
1073 | proc test_cpu |
||
1074 | locals |
||
1075 | cpu_type dd ? |
||
166 | serge | 1076 | cpu_id dd ? |
1077 | cpu_Intel dd ? |
||
1078 | cpu_AMD dd ? |
||
1079 | endl |
||
164 | serge | 1080 | |
1081 | |||
1082 | |||
1083 | |||
1084 | pop eax |
||
1085 | mov ecx, eax |
||
1086 | xor eax, 0x40000 |
||
1087 | push eax |
||
1088 | popfd |
||
1089 | pushfd |
||
1090 | pop eax |
||
1091 | xor eax, ecx |
||
1092 | mov [cpu_type], CPU_386 |
||
1093 | jz .end_cpu |
||
1094 | push ecx |
||
1095 | popfd |
||
1096 | |||
1097 | |||
1098 | mov eax, ecx |
||
1099 | xor eax, 0x200000 |
||
1100 | push eax |
||
1101 | popfd |
||
1102 | pushfd |
||
1103 | pop eax |
||
1104 | xor eax, ecx |
||
1105 | je .end_cpu |
||
1106 | mov [cpu_id], 1 |
||
1107 | |||
1108 | |||
1109 | cpuid |
||
1110 | mov [cpu_vendor], ebx |
||
1111 | mov [cpu_vendor+4], edx |
||
1112 | mov [cpu_vendor+8], ecx |
||
1113 | cmp ebx, dword [intel_str] |
||
1114 | jne .check_AMD |
||
1115 | cmp edx, dword [intel_str+4] |
||
1116 | jne .check_AMD |
||
1117 | cmp ecx, dword [intel_str+8] |
||
1118 | jne .check_AMD |
||
1119 | mov [cpu_Intel], 1 |
||
1120 | cmp eax, 1 |
||
1121 | jl .end_cpuid |
||
1122 | mov eax, 1 |
||
1123 | cpuid |
||
1124 | mov [cpu_sign], eax |
||
1125 | mov [cpu_info], ebx |
||
1126 | mov [cpu_caps], edx |
||
1127 | mov [cpu_caps+4],ecx |
||
1128 | |||
1129 | |||
1130 | and eax, 0x0f |
||
1131 | mov [cpu_type], eax |
||
1132 | ret |
||
1133 | |||
1134 | |||
1135 | mov eax, [cpu_type] |
||
1136 | ret |
||
1137 | |||
1138 | |||
1139 | cmp ebx, dword [AMD_str] |
||
1140 | jne .end_cpu |
||
1141 | cmp edx, dword [AMD_str+4] |
||
1142 | jne .end_cpu |
||
1143 | cmp ecx, dword [AMD_str+8] |
||
1144 | jne .end_cpu |
||
1145 | mov [cpu_AMD], 1 |
||
1146 | cmp eax, 1 |
||
1147 | jl .end_cpuid |
||
1148 | mov eax, 1 |
||
1149 | cpuid |
||
1150 | mov [cpu_sign], eax |
||
1151 | mov [cpu_info], ebx |
||
1152 | mov [cpu_caps], edx |
||
1153 | mov [cpu_caps+4],ecx |
||
1154 | shr eax, 8 |
||
1155 | and eax, 0x0f |
||
1156 | mov [cpu_type], eax |
||
1157 | .end_cpu: |
||
1158 | mov eax, [cpu_type] |
||
1159 | ret |
||
1160 | endp |
||
1161 | |||
1162 | |||
1163 | MEM_WC equ 1 ;write combined memory |
||
1164 | MEM_UC equ 0 ;uncached memory |
||
1165 | |||
1166 | |||
1167 | proc init_mtrr |
||
1168 | |||
1169 | |||
1170 | je .exit |
||
1171 | |||
1172 | |||
1173 | or eax, 0x60000000 ;disable caching |
||
1174 | mov cr0, eax |
||
1175 | wbinvd ;invalidate cache |
||
1176 | |||
1177 | |||
1178 | rdmsr ; |
||
1179 | push eax |
||
1180 | |||
1181 | |||
1182 | xor eax, eax |
||
1183 | mov ecx, 0x2FF |
||
1184 | wrmsr ;disable all MTRR |
||
1185 | |||
1186 | |||
1187 | stdcall set_mtrr, dword 1,[LFBAddress],[LFBSize],MEM_WC |
||
1188 | xor edx, edx |
||
1189 | xor eax, eax |
||
1190 | mov ecx, 0x204 |
||
1191 | mov ebx, 6 |
||
1192 | @@: |
||
1193 | wrmsr ;disable unused MTRR |
||
1194 | inc ecx |
||
1195 | wrmsr |
||
1196 | inc ecx |
||
1197 | dec ebx |
||
1198 | jnz @b |
||
1199 | |||
1200 | |||
1201 | |||
1202 | |||
1203 | or eax, 0x800 ;set default memtype to UC |
||
1204 | and al, 0xF0 |
||
1205 | mov ecx, 0x2FF |
||
1206 | wrmsr ;and enable MTRR |
||
1207 | |||
1208 | |||
1209 | and eax, not 0x60000000 |
||
1210 | mov cr0, eax ; enable caching |
||
1211 | .exit: |
||
1212 | ret |
||
1213 | endp |
||
1214 | |||
1215 | |||
1216 | proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword |
||
1217 | |||
1218 | |||
1219 | mov eax, [base] |
||
1220 | or eax, [mem_type] |
||
1221 | mov ecx, [reg] |
||
1222 | lea ecx, [0x200+ecx*2] |
||
1223 | wrmsr |
||
1224 | |||
1225 | |||
1226 | dec ebx |
||
1227 | mov eax, 0xFFFFFFFF |
||
1228 | mov edx, 0x0000000F |
||
1229 | sub eax, ebx |
||
1230 | sbb edx, 0 |
||
1231 | or eax, 0x800 |
||
1232 | inc ecx |
||
1233 | wrmsr |
||
1234 | ret |
||
1235 | endp |
||
1236 | |||
1237 | |||
1238 | align 4 |
||
1239 | intel_str db "GenuineIntel",0 |
||
1240 | AMD_str db "AuthenticAMD",0 |
||
1241 | endg |
||
1242 | |||
1243 | |||
1244 | align 16 |
||
1245 | irq_tab rd 16 |
||
1246 | |||
1247 | |||
1248 | |||
1249 | |||
1250 | |||
1251 | ipc_pdir rd 1 |
||
1252 | ipc_ptab rd 1 |
||
1253 | |||
1254 | |||
1255 | proc_mem_pdir rd 1 |
||
1256 | proc_mem_tab rd 1 |
||
1257 | |||
1258 | |||
1259 | tmp_task_ptab rd 1 |
||
1260 | tmp_task_data rd 1 |
||
1261 | |||
1262 | |||
1263 | |||
1264 | |||
1265 | fdd_buff rd 1 |
||
1266 | |||
1267 | |||
1268 | |||
1269 | |||
1270 | cpu_sign rd 1 |
||
1271 | cpu_info rd 1 |
||
1272 | |||
1273 | |||
1274 | |||
1275 | |||
1276 | align 16 |
||
1277 | dll_tab rb 32*32 |
||
1278 | srv_tab rb 32*32 |
||
1279 | dll_map rd 1 |
||
1280 | srv_map rd 1 |
||
1281 | |||
1282 | |||
1283 | mem_block_list rd 64 |
||
1284 | mem_block_map rb 512 |
||
1285 | mem_block_arr rd 1 |
||
1286 | mem_block_start rd 1 |
||
1287 | mem_block_end rd 1 |
||
1288 | mem_block_mask rd 2 |
||
1289 | heap_size rd 1 |
||
170 | serge | 1290 | heap_free rd 1 |
1291 | heap_blocks rd 1 |
||
1292 | free_blocks rd 1 |
||
1293 | |||
164 | serge | 1294 | |
1295 | page_end rd 1 |
||
1296 | sys_page_map rd 1 |
||
1297 | ; app_load rd 1 |
||
170 | serge | 1298 | endg |
164 | serge | 1299 | |
1300 | |||
1301 | |||
1302 | ; push edx |
||
1303 | ; mov edx, 0x400 ;bocsh |
||
1304 | ; mov al,0xff ;bocsh |
||
1305 | ; out dx, al ;bocsh |
||
1306 | ; pop edx |
||
1307 | ; pop eax0>> |
||
1308 |