Rev 170 | Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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164 | serge | 1 | |
2 | { .banner dq ? |
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3 | .version dd ? ;+8 |
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4 | .start dd ? ;+12 |
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5 | .i_end dd ? ;+16 |
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6 | .mem_size dd ? ;+20 |
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7 | .i_param dd ? ;+24 |
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8 | } |
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9 | |||
10 | |||
11 | { .banner dq ? |
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12 | .version dd ? ;+8 |
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13 | .start dd ? ;+12 |
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14 | .i_end dd ? ;+16 |
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15 | .mem_size dd ? ;+20 |
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16 | .stack_top dd ? ;+24 |
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17 | .i_param dd ? ;+28 |
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18 | .i_icon dd ? ;+32 |
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19 | } |
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20 | |||
21 | |||
22 | proc test_app_header stdcall, header:dword |
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23 | virtual at ebx |
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24 | APP_HEADER_00 APP_HEADER_00 |
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25 | end virtual |
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26 | |||
27 | |||
28 | cmp [ebx+6], word '00' |
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29 | jne .check_01_header |
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30 | |||
31 | |||
32 | mov [app_start],eax |
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33 | mov eax,[APP_HEADER_00.i_end] |
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34 | mov [app_i_end],eax |
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35 | mov eax,[APP_HEADER_00.mem_size] |
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36 | mov [app_mem],eax |
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37 | shr eax,1 |
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38 | sub eax,0x10 |
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39 | mov [app_esp],eax |
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40 | mov eax,[APP_HEADER_00.i_param] |
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41 | mov [app_i_param],eax |
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42 | mov [app_i_icon],dword 0 |
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43 | |||
44 | |||
45 | ret |
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46 | |||
47 | |||
48 | virtual at ebx |
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49 | APP_HEADER_01 APP_HEADER_01 |
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50 | end virtual |
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51 | |||
52 | |||
53 | jne .no_01_header |
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54 | |||
55 | |||
56 | mov [app_start],eax |
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57 | mov eax,[APP_HEADER_01.i_end] |
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58 | mov [app_i_end],eax |
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59 | mov eax,[APP_HEADER_01.mem_size] |
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60 | mov [app_mem],eax |
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61 | mov eax,[APP_HEADER_01.stack_top] |
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62 | mov [app_esp],eax |
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63 | mov eax,[APP_HEADER_01.i_param] |
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64 | mov [app_i_param],eax |
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65 | mov eax,[APP_HEADER_01.i_icon] |
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66 | mov [app_i_icon],eax |
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67 | |||
68 | |||
69 | ret |
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70 | |||
71 | |||
72 | |||
73 | |||
74 | ret |
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75 | endp |
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76 | |||
77 | |||
78 | proc get_new_process_place |
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79 | ;input: |
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80 | ; none |
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81 | ;result: |
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82 | ; eax=[new_process_place]<>0 - ok |
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83 | ; 0 - failed. |
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84 | ;This function find least empty slot. |
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85 | ;It doesn't increase [TASK_COUNT]! |
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86 | mov eax,CURRENT_TASK |
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87 | mov ebx,[TASK_COUNT] |
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88 | inc ebx |
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89 | shl ebx,5 |
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90 | add ebx,eax ;ebx - address of process information for (last+1) slot |
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91 | .newprocessplace: |
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92 | ;eax = address of process information for current slot |
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93 | cmp eax,ebx |
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94 | jz .endnewprocessplace ;empty slot after high boundary |
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95 | add eax,0x20 |
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96 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
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97 | jnz .newprocessplace |
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98 | .endnewprocessplace: |
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99 | mov ebx,eax |
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100 | sub eax,CURRENT_TASK |
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101 | shr eax,5 ;calculate slot index |
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102 | cmp eax,256 |
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103 | jge .failed ;it should be <256 |
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104 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
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105 | ; mov [new_process_place], eax |
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106 | ret |
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107 | |||
108 | |||
109 | xor eax,eax |
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110 | ret |
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111 | endp |
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112 | |||
113 | |||
114 | proc create_app_space stdcall, app_size:dword,img_size:dword |
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115 | locals |
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116 | app_pages dd ? |
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117 | img_pages dd ? |
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118 | dir_addr dd ? |
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119 | master_addr dd ? |
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120 | app_tabs dd ? |
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121 | endl |
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122 | |||
123 | |||
124 | |||
125 | |||
126 | mov [dir_addr], eax |
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127 | mov [master_addr], eax |
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128 | |||
129 | |||
130 | add eax, 4095+4096 |
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131 | and eax, NOT(4095) |
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132 | mov [app_size], eax |
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133 | mov ebx, eax |
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134 | shr eax, 12 |
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135 | mov [app_pages], eax |
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136 | add ebx, 0x3FFFFF |
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137 | and ebx, NOT(0x3FFFFF) |
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138 | shr ebx, 22 |
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139 | mov [app_tabs], ebx |
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140 | |||
141 | |||
142 | add eax, 4095 |
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143 | and eax, NOT(4095) |
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144 | |||
145 | |||
146 | shr eax, 12 |
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147 | mov [img_pages], eax |
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148 | |||
149 | |||
150 | test eax, eax |
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151 | jz .fail |
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152 | mov [dir_addr], eax |
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153 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
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154 | |||
155 | |||
156 | mov edi, [tmp_task_pdir] |
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157 | mov ecx, 384 |
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158 | cld |
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159 | rep movsd |
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160 | |||
161 | |||
162 | xor eax, eax |
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163 | cld |
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164 | rep stosd |
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165 | |||
166 | |||
167 | mov esi, sys_pgdir+0xc00 |
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168 | rep movsd |
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169 | |||
170 | |||
171 | test eax, eax |
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172 | jz .fail |
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173 | mov [master_addr], eax |
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174 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
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175 | |||
176 | |||
177 | mov edi, [tmp_task_ptab] |
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178 | mov esi, master_tab |
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179 | cld |
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180 | rep movsd |
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181 | |||
182 | |||
183 | xor eax, eax |
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184 | rep stosd |
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185 | |||
186 | |||
187 | mov esi, master_tab+0xc00 |
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188 | rep movsd |
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189 | |||
190 | |||
191 | or eax, PG_SW |
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192 | mov ebx, [tmp_task_pdir] |
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193 | mov [ebx+0x600], eax |
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194 | mov ecx, [tmp_task_ptab] |
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195 | mov [ecx+0x600],eax |
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196 | |||
197 | |||
198 | call set_cr3 |
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199 | |||
200 | |||
201 | mov edi, new_app_base |
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202 | @@: |
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203 | call alloc_page |
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204 | test eax, eax |
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205 | jz .fail |
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206 | |||
207 | |||
208 | add edi, 0x00400000 |
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209 | dec edx |
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210 | jnz @B |
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211 | |||
212 | |||
213 | shr edi, 10 |
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214 | add edi, pages_tab |
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215 | mov ecx, [app_tabs] |
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216 | shl ecx, 10 |
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217 | xor eax, eax |
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218 | rep stosd |
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219 | |||
220 | |||
221 | |||
222 | |||
223 | call alloc_page |
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224 | test eax, eax |
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225 | jz .fail |
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226 | |||
227 | |||
228 | add edx, 0x1000 |
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229 | sub [app_pages], 1 |
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230 | sub [img_pages], 1 |
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231 | jnz .alloc |
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232 | |||
233 | |||
234 | and ecx, ecx |
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235 | jz .next |
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236 | |||
237 | |||
238 | shr edx, 12 |
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239 | .reserve: |
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240 | mov dword [pages_tab+edx*4], 0x02 |
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241 | invlpg [ebx] |
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242 | inc edx |
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243 | dec ecx |
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244 | jnz .reserve |
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245 | .next: |
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246 | mov edi, new_app_base |
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247 | mov ecx, [img_size] |
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248 | shr ecx, 2 |
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249 | xor eax, eax |
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250 | cld |
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251 | rep stosd |
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252 | |||
253 | |||
254 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
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255 | |||
256 | |||
257 | mov eax, [dir_addr] |
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258 | ret |
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259 | .fail: |
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260 | dec [pg_data.pg_mutex] |
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261 | cmp [dir_addr], 0 |
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262 | jz @f |
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263 | stdcall destroy_app_space, [dir_addr] |
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264 | @@: |
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265 | xor eax, eax |
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266 | ret |
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267 | endp |
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268 | |||
269 | |||
270 | set_cr3: |
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271 | mov esi, [CURRENT_TASK] |
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272 | mov ebx, esi |
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273 | shl esi,8 |
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274 | mov [PROC_BASE+esi+0xB8],eax |
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275 | imul ebx,tss_step |
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276 | add ebx,tss_data |
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277 | mov [ebx+28], eax |
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278 | mov cr3, eax |
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279 | ret |
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280 | |||
281 | |||
282 | proc destroy_page_table stdcall, pg_tab:dword |
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283 | |||
284 | |||
285 | |||
286 | |||
287 | mov ecx, 1024 |
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288 | .free: |
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289 | mov eax, [esi] |
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290 | test eax, 1 |
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291 | jz .next |
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292 | call free_page |
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293 | .next: |
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294 | add esi, 4 |
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295 | dec ecx |
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296 | jnz .free |
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297 | pop esi |
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298 | ret |
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299 | endp |
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300 | |||
301 | |||
302 | proc destroy_app_space stdcall, pg_dir:dword |
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303 | |||
304 | |||
305 | |||
306 | |||
307 | mov eax,0x2 |
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308 | mov ebx, [pg_dir] |
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309 | |||
310 | |||
311 | ;eax = current slot of process |
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312 | mov ecx,eax |
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313 | shl ecx,5 |
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314 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
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315 | jz @f ;skip empty slots |
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316 | shl ecx,3 |
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317 | cmp [PROC_BASE+ecx+0xB8],ebx ;compare page directory addresses |
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318 | jnz @f |
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319 | inc edx ;thread found |
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320 | @@: |
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321 | inc eax |
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322 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
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323 | jle .loop |
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324 | |||
325 | |||
326 | ;our process is zombi so it isn't counted |
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327 | cmp edx,1 |
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328 | jg .exit |
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329 | ;if there isn't threads then clear memory. |
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330 | |||
331 | |||
332 | and eax, not 0xFFF |
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333 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
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334 | mov esi, [tmp_task_pdir] |
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335 | add esi, 0x600 |
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336 | mov eax, [esi] |
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337 | call free_page ;destroy master table |
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338 | add esi, 4 |
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339 | mov edi, 383 |
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340 | .destroy: |
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341 | mov eax, [esi] |
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342 | test eax, 1 |
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343 | jz .next |
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344 | and eax, not 0xFFF |
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345 | stdcall map_page,[tmp_task_ptab],eax,dword PG_SW |
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346 | stdcall destroy_page_table, [tmp_task_ptab] |
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347 | mov eax, [esi] |
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348 | call free_page |
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349 | .next: |
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350 | add esi, 4 |
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351 | dec edi |
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352 | jnz .destroy |
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353 | |||
354 | |||
355 | call free_page |
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356 | .exit: |
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357 | stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP |
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358 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
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359 | dec [pg_data.pg_mutex] |
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360 | ret |
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361 | endp |
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362 | |||
363 | |||
364 | proc fs_execute |
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365 | |||
366 | |||
367 | |||
368 | |||
369 | ; edx - flags |
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370 | ; ebp - full filename |
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371 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
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372 | |||
373 | |||
374 | cmdline dd ? |
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375 | flags dd ? |
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376 | filename dd ? |
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377 | retval dd ? |
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378 | endl |
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379 | |||
380 | |||
381 | |||
382 | |||
383 | mov [flags], edx |
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384 | mov eax, [ebp] |
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385 | mov [filename], eax |
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386 | |||
387 | |||
388 | |||
389 | |||
390 | mov ecx, (2048+256)/4 |
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391 | xor eax, eax |
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392 | rep stosd |
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393 | |||
394 | |||
395 | mov edi, [tmp_task_data] |
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396 | add edi, TMP_FILE_NAME |
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397 | mov ecx, 1024 |
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398 | rep movsb |
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399 | |||
400 | |||
401 | mov edi, [tmp_task_data] |
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402 | add edi, TMP_ICON_OFFS |
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403 | mov ecx, 1024 |
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404 | rep movsb |
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405 | |||
406 | |||
407 | test esi, esi |
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408 | jz @f |
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409 | mov edi, [tmp_task_data] |
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410 | add edi, TMP_CMD_LINE |
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411 | mov ecx, 256 |
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412 | rep movsb |
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413 | @@: |
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414 | mov eax, TMP_FILE_NAME |
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415 | add eax, [tmp_task_data] |
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416 | mov ebx, [tmp_task_data] ;cmd line |
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417 | add ebx, TMP_CMD_LINE |
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418 | |||
419 | |||
420 | [ebp+12], [ebp+16],[ebp+20] |
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421 | mov [retval], eax |
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422 | popad |
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423 | mov [pg_data.tmp_task_mutex], 0 |
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424 | mov eax, [retval] |
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425 | ret |
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426 | |||
427 | |||
428 | |||
429 | |||
430 | proc fs_exec stdcall file_name:dword, cmd_line:dword, flags:dword,\ |
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431 | fn_read:dword, file_size:dword,\ |
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432 | cluster:dword, some_data:dword |
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433 | |||
434 | |||
435 | slot dd ? |
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436 | app_path_size dd ? |
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437 | save_cr3 dd ? |
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438 | img_size dd ? |
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439 | endl |
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440 | |||
441 | |||
442 | |||
443 | |||
444 | mov ecx, 1024 |
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445 | xor eax, eax |
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446 | repnz scasb |
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447 | jz @f |
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448 | mov eax, -ERROR_FILE_NOT_FOUND |
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449 | ret |
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450 | @@: |
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451 | sub edi, [file_name] |
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452 | mov [app_path_size], edi |
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453 | |||
454 | |||
455 | call sys_msg_board_str ; write message to message board |
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456 | |||
457 | |||
458 | cli |
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459 | |||
460 | |||
461 | cmp [application_table_status],0 |
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462 | je .get_lock |
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463 | call change_task |
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464 | jmp .wait_lock |
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465 | |||
466 | |||
467 | mov eax, 1 |
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468 | xchg eax, [application_table_status] |
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469 | cmp eax, 0 |
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470 | jne .wait_lock |
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471 | |||
472 | |||
473 | |||
474 | |||
475 | test eax, eax |
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476 | mov ecx, -0x20 ; too many processes |
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477 | jz .err |
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478 | mov [slot], eax |
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479 | |||
480 | |||
481 | shl edi,8 |
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482 | add edi,PROC_BASE |
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483 | mov ecx,256/4 |
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484 | xor eax,eax |
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485 | cld |
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486 | rep stosd ;clean extended information about process |
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487 | |||
488 | |||
489 | |||
490 | |||
491 | mov ecx, [app_path_size] |
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492 | add edi, ecx |
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493 | dec edi |
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494 | std |
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495 | mov al, '/' |
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496 | repnz scasb |
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497 | cld |
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498 | jnz @f |
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499 | inc edi |
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500 | @@: |
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501 | inc edi |
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502 | ; now edi points to name without path |
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503 | |||
504 | |||
505 | mov ecx, 8 ; 8 chars for name |
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506 | mov edi, [slot] |
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507 | shl edi, cl |
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508 | add edi, PROC_BASE |
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509 | .copy_process_name_loop: |
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510 | lodsb |
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511 | cmp al, '.' |
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512 | jz .copy_process_name_done |
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513 | test al, al |
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514 | jz .copy_process_name_done |
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515 | stosb |
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516 | loop .copy_process_name_loop |
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517 | .copy_process_name_done: |
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518 | mov al, ' ' |
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519 | rep stosb |
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520 | pop eax |
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521 | mov cl, 3 ; 3 chars for extension |
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522 | dec esi |
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523 | @@: |
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524 | dec eax |
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525 | cmp eax, esi |
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526 | jbe .copy_process_ext_done |
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527 | cmp byte [eax], '.' |
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528 | jnz @b |
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529 | lea esi, [eax+1] |
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530 | .copy_process_ext_loop: |
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531 | lodsb |
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532 | test al, al |
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533 | jz .copy_process_ext_done |
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534 | stosb |
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535 | loop .copy_process_ext_loop |
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536 | .copy_process_ext_done: |
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537 | mov al, ' ' |
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538 | rep stosb |
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539 | |||
540 | |||
541 | |||
542 | |||
543 | mov edi, TMP_BUFF |
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544 | call [fn_read] |
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545 | test eax, eax |
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546 | jnz .err |
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547 | |||
548 | |||
549 | |||
550 | |||
551 | ;check MENUET signature |
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552 | cmp [TMP_BUFF],dword 'MENU' |
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553 | jnz .err |
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554 | cmp [TMP_BUFF+4],word 'ET' |
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555 | jnz .err |
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556 | |||
557 | |||
558 | test eax, eax |
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559 | jz .err |
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560 | |||
561 | |||
562 | mov [save_cr3], eax |
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563 | stdcall create_app_space,[app_mem], [app_mem];[file_size] |
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564 | test eax, eax |
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565 | jz .failed |
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566 | |||
567 | |||
568 | shl ebx,8 |
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569 | mov [PROC_BASE+ebx+0xB8],eax |
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570 | |||
571 | |||
572 | mov edi, new_app_base |
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573 | mov ecx, 512/4 |
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574 | cld |
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575 | rep movsd |
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576 | |||
577 | |||
578 | @@: |
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579 | lea eax, [file_size] |
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580 | cmp dword [eax], 0 |
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581 | jz .done |
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582 | push edi |
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583 | call [fn_read] |
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584 | pop edi |
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585 | add edi, 512 |
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586 | test eax, eax |
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587 | jz @b |
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588 | cmp ebx, 6 |
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589 | jne .failed |
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590 | .done: |
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591 | stdcall add_app_parameters, [slot], new_app_base,\ |
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592 | [cmd_line],[file_name],[flags] |
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593 | |||
594 | |||
595 | call set_cr3 |
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596 | |||
597 | |||
598 | mov [application_table_status],eax ;unlock application_table_status mutex |
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599 | popfd |
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600 | mov eax,[process_number] ;set result |
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601 | ret |
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602 | |||
603 | |||
604 | mov eax, [save_cr3] |
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605 | call set_cr3 |
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606 | .err: |
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607 | |||
608 | |||
609 | xor eax, eax |
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610 | mov [application_table_status],eax |
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611 | ret |
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612 | endp |
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613 | |||
614 | |||
615 | proc add_app_parameters stdcall,slot:dword,img_base:dword,\ |
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616 | cmd_line:dword, app_path:dword, flags:dword |
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617 | |||
618 | |||
619 | bt [cpu_caps], CAPS_SSE |
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620 | jnc .no_SSE |
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621 | shl eax, 8 |
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622 | mov ebx, eax |
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623 | add eax, eax |
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624 | add eax, [fpu_data] |
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625 | mov [ebx+PROC_BASE+APPDATA.fpu_state], eax |
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626 | mov [ebx+PROC_BASE+APPDATA.fpu_handler], 0 |
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627 | mov [ebx+PROC_BASE+APPDATA.sse_handler], 0 |
||
628 | jmp .m1 |
||
629 | .no_SSE: |
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630 | mov ecx, eax |
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631 | mov ebx, eax |
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632 | shl eax, 7 |
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633 | shl ebx, 4 |
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634 | sub eax, ebx ;eax*=112 |
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635 | add eax, [fpu_data] |
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636 | shl ecx, 8 |
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637 | mov [ecx+PROC_BASE+APPDATA.fpu_state], eax |
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638 | mov [ecx+PROC_BASE+APPDATA.fpu_handler], 0 |
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639 | mov [ecx+PROC_BASE+APPDATA.sse_handler], 0 |
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640 | .m1: |
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641 | mov ebx,[slot] |
||
642 | cmp ebx,[TASK_COUNT] |
||
643 | jle .noinc |
||
644 | inc dword [TASK_COUNT] ;update number of processes |
||
645 | .noinc: |
||
646 | shl ebx,8 |
||
647 | mov eax,[app_mem] |
||
648 | mov [PROC_BASE+0x8c+ebx],eax |
||
649 | |||
650 | |||
651 | mov eax, new_app_base |
||
652 | mov dword [CURRENT_TASK+ebx+0x10],eax |
||
653 | |||
654 | |||
655 | mov edx,[app_i_param] |
||
656 | test edx,edx |
||
657 | jz .no_command_line ;application don't need parameters |
||
658 | mov eax,[cmd_line] |
||
659 | test eax,eax |
||
660 | jz .no_command_line ;no parameters specified |
||
661 | ;calculate parameter length |
||
662 | xor ecx,ecx |
||
663 | .command_line_len: |
||
664 | cmp byte [eax],0 |
||
665 | jz .command_line_len_end |
||
666 | inc eax |
||
667 | inc ecx |
||
668 | cmp ecx,255 |
||
669 | jl .command_line_len |
||
670 | |||
671 | |||
672 | ;ecx - parameter length |
||
673 | ;edx - address of parameters in new process address space |
||
674 | inc ecx |
||
675 | mov edi, [img_base] |
||
676 | add edi, edx |
||
677 | mov esi, [cmd_line] |
||
678 | rep movsb |
||
679 | |||
680 | |||
681 | |||
682 | |||
683 | test edx,edx |
||
684 | jz .no_command_line_1 ;application don't need path of file |
||
685 | mov esi,[app_path] |
||
686 | test esi, esi |
||
687 | jz .no_command_line_1 ;application don't need path of file |
||
688 | mov ecx, 64 |
||
689 | mov edi, [img_base] |
||
690 | add edi, edx |
||
691 | rep movsb |
||
692 | |||
693 | |||
694 | mov ebx,[slot] |
||
695 | mov eax,ebx |
||
696 | shl ebx,5 |
||
697 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
||
698 | mov [ebx+0xe],al ;set window number on screen = process slot |
||
699 | |||
700 | |||
701 | |||
702 | |||
703 | mov eax,[process_number] |
||
704 | mov [ebx+4],eax ;set PID |
||
705 | |||
706 | |||
707 | add ecx,(draw_data-CURRENT_TASK) ;ecx - pointer to draw data |
||
708 | ;set draw data to full screen |
||
709 | |||
710 | |||
711 | mov [ecx+4],dword 0 |
||
712 | mov eax,[SCR_X_SIZE] |
||
713 | mov [ecx+8],eax |
||
714 | mov eax,[SCR_Y_SIZE] |
||
715 | mov [ecx+12],eax |
||
716 | ;set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
717 | mov [ecx+WDATA.fl_wstate],WSTATE_NORMAL |
||
718 | ;set cr3 register in TSS of application |
||
719 | |||
720 | |||
721 | shl ecx,8 |
||
722 | mov eax,[PROC_BASE+0xB8+ecx] |
||
723 | ;or eax, PG_NOCACHE |
||
724 | mov [l.cr3],eax |
||
725 | |||
726 | |||
727 | mov [l.eip],eax ;set eip in TSS |
||
728 | mov eax,[app_esp] |
||
729 | mov [l.esp],eax ;set stack in TSS |
||
730 | |||
731 | |||
732 | mov ax,app_code ;ax - selector of code segment |
||
733 | mov [l.cs],ax |
||
734 | mov ax,app_data |
||
735 | mov [l.ss],ax |
||
736 | mov [l.ds],ax |
||
737 | mov [l.es],ax |
||
738 | mov [l.fs],ax |
||
739 | mov ax,graph_data ;ax - selector of graphic segment |
||
740 | mov [l.gs],ax |
||
741 | mov [l.io],word 128 |
||
742 | mov [l.eflags],dword 0x3202 |
||
743 | |||
744 | |||
745 | mov ebx,[slot] |
||
746 | shl ebx,12 |
||
747 | add ebx,sysint_stack_data+4096 |
||
748 | mov [l.esp0],ebx |
||
749 | |||
750 | |||
751 | mov eax,tss_sceleton |
||
752 | mov ebx,[slot] |
||
753 | imul ebx,tss_step |
||
754 | add ebx,tss_data ;ebx - address of application TSS |
||
755 | mov ecx,120 |
||
756 | call memmove |
||
757 | |||
758 | |||
759 | or eax,-1 |
||
760 | mov edi,[slot] |
||
761 | imul edi,tss_step |
||
762 | add edi,tss_data+128 |
||
763 | mov ecx,2048 |
||
764 | cld |
||
765 | rep stosd ;full access to 2048*8=16384 ports |
||
766 | |||
767 | |||
768 | mov edi,[slot] |
||
769 | shl edi,3 |
||
770 | ;set TSS descriptor |
||
771 | mov [edi+gdts+tss0+0],word tss_step ;limit (size) |
||
772 | mov [edi+gdts+tss0+2],cx ;part of offset |
||
773 | mov eax,ecx |
||
774 | shr eax,16 |
||
775 | mov [edi+gdts+tss0+4],al ;part of offset |
||
776 | mov [edi+gdts+tss0+7],ah ;part of offset |
||
777 | mov [edi+gdts+tss0+5],word 01010000b*256+11101001b ;system flags |
||
778 | |||
779 | |||
780 | mov [KEY_COUNT],byte 0 |
||
781 | mov [BTN_COUNT],byte 0 |
||
782 | |||
783 | |||
784 | shl edi,5 |
||
785 | add edi,window_data |
||
786 | mov ebx,[slot] |
||
787 | movzx esi,word [WIN_STACK+ebx*2] |
||
788 | lea esi,[WIN_POS+esi*2] |
||
789 | call windowactivate ;gui initialization |
||
790 | |||
791 | |||
792 | shl ebx,5 |
||
793 | mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running |
||
794 | ; set if debuggee |
||
795 | mov eax, [flags] |
||
796 | test byte [flags], 1 |
||
797 | jz .no_debug |
||
798 | mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended |
||
799 | mov eax,[CURRENT_TASK] |
||
800 | mov [PROC_BASE+ebx*8+0xac],eax ;set debugger PID - current |
||
801 | .no_debug: |
||
802 | |||
803 | |||
804 | call sys_msg_board_str ;output information about succefull startup |
||
805 | |||
806 | |||
807 | endp |
||
808 | |||
809 | |||
810 | ;Input: |
||
811 | ; eax - pid of process |
||
812 | ;Output: |
||
813 | ; eax - slot of process or 0 if process don't exists |
||
814 | ;Search process by PID. |
||
815 | push ebx |
||
816 | push ecx |
||
817 | mov ebx,[TASK_COUNT] |
||
818 | shl ebx,5 |
||
819 | mov ecx,2*32 |
||
820 | |||
821 | |||
822 | ;ecx=offset of current process info entry |
||
823 | ;ebx=maximum permitted offset |
||
824 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
||
825 | jz .endloop ;skip empty slots |
||
826 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
||
827 | jz .pid_found |
||
828 | .endloop: |
||
829 | add ecx,32 |
||
830 | cmp ecx,ebx |
||
831 | jle .loop |
||
832 | |||
833 | |||
834 | pop ebx |
||
835 | xor eax,eax |
||
836 | ret |
||
837 | |||
838 | |||
839 | shr ecx,5 |
||
840 | mov eax,ecx ;convert offset to index of slot |
||
841 | pop ecx |
||
842 | pop ebx |
||
843 | ret |
||
844 | |||
845 | |||
846 | ;input: |
||
847 | ; ebx - start of buffer |
||
848 | ; ecx - size of buffer |
||
849 | ;result: |
||
850 | ; eax = 1 region lays in app memory |
||
851 | ; eax = 0 region don't lays in app memory |
||
852 | mov eax,[CURRENT_TASK] |
||
853 | jmp check_process_region |
||
854 | ;----------------------------------------------------------------------------- |
||
855 | check_process_region: |
||
856 | ;input: |
||
857 | ; eax - slot |
||
858 | ; ebx - start of buffer |
||
859 | ; ecx - size of buffer |
||
860 | ;result: |
||
861 | ; eax = 1 region lays in app memory |
||
862 | ; eax = 0 region don't lays in app memory |
||
863 | |||
864 | |||
865 | jle .ok |
||
866 | shl eax,5 |
||
867 | cmp word [CURRENT_TASK+eax+0xa],0 |
||
868 | jnz .failed |
||
869 | shl eax,3 |
||
870 | mov eax,[PROC_BASE+eax+0xb8] |
||
871 | test eax,eax |
||
872 | jz .failed |
||
873 | |||
874 | |||
875 | ret |
||
876 | |||
877 | |||
878 | |||
879 | ; push ebx |
||
880 | ; push ecx |
||
881 | ; push edx |
||
882 | ; mov edx,ebx |
||
883 | ; and edx,not (4096-1) |
||
884 | ; sub ebx,edx |
||
885 | ; add ecx,ebx |
||
886 | ; mov ebx,edx |
||
887 | ; add ecx,(4096-1) |
||
888 | ; and ecx,not (4096-1) |
||
889 | ;.loop: |
||
890 | ;;eax - linear address of page directory |
||
891 | ;;ebx - current page |
||
892 | ;;ecx - current size |
||
893 | ; mov edx,ebx |
||
894 | ; shr edx,22 |
||
895 | ; mov edx,[eax+4*edx] |
||
896 | ; and edx,not (4096-1) |
||
897 | ; test edx,edx |
||
898 | ; jz .failed1 |
||
899 | ; push eax |
||
900 | ; mov eax,edx |
||
901 | ; call MEM_Get_Linear_Address |
||
902 | ; mov edx,ebx |
||
903 | ; shr edx,12 |
||
904 | ; and edx,(1024-1) |
||
905 | ; mov eax,[eax+4*edx] |
||
906 | ; and eax,not (4096-1) |
||
907 | ; test eax,eax |
||
908 | ; pop eax |
||
909 | ; jz .failed1 |
||
910 | ; add ebx,4096 |
||
911 | ; sub ecx,4096 |
||
912 | ; jg .loop |
||
913 | ; pop edx |
||
914 | ; pop ecx |
||
915 | ; pop ebx |
||
916 | .ok: |
||
917 | mov eax,1 |
||
918 | ret |
||
919 | ; |
||
920 | ;.failed1: |
||
921 | ; pop edx |
||
922 | ; pop ecx |
||
923 | ; pop ebx |
||
924 | .failed: |
||
925 | xor eax,eax |
||
926 | ret |
||
927 | |||
928 | |||
929 | proc read_process_memory |
||
930 | ;Input: |
||
931 | ; eax - process slot |
||
932 | ; ebx - buffer address |
||
933 | ; ecx - buffer size |
||
934 | ; edx - start address in other process |
||
935 | ;Output: |
||
936 | ; eax - number of bytes read. |
||
937 | locals |
||
938 | slot dd ? |
||
939 | buff dd ? |
||
940 | r_count dd ? |
||
941 | offset dd ? |
||
942 | tmp_r_cnt dd ? |
||
943 | endl |
||
944 | |||
945 | |||
946 | mov [buff], ebx |
||
947 | mov [r_count], ecx |
||
948 | mov [tmp_r_cnt], ecx |
||
949 | mov [offset], edx |
||
950 | |||
951 | |||
952 | .read_mem: |
||
953 | mov edx, [offset] |
||
954 | mov ebx, [tmp_r_cnt] |
||
955 | |||
956 | |||
957 | and edx, 0x3FFFFF |
||
958 | sub ecx, edx |
||
959 | cmp ecx, ebx |
||
960 | jbe @f |
||
961 | mov ecx, ebx |
||
962 | @@: |
||
963 | cmp ecx, 0x8000 |
||
964 | jna @F |
||
965 | mov ecx, 0x8000 |
||
966 | @@: |
||
967 | mov eax, [slot] |
||
968 | shl eax,8 |
||
969 | mov ebx, [offset] |
||
970 | add ebx, new_app_base |
||
971 | push ecx |
||
972 | stdcall map_memEx, [proc_mem_map],\ |
||
973 | [PROC_BASE+eax+0xB8],\ |
||
974 | ebx, ecx |
||
975 | pop ecx |
||
976 | |||
977 | |||
978 | and esi, 0xfff |
||
979 | add esi, [proc_mem_map] |
||
980 | mov edi, [buff] |
||
981 | mov edx, ecx |
||
982 | rep movsb |
||
983 | |||
984 | |||
985 | sub [tmp_r_cnt], edx |
||
986 | jnz .read_mem |
||
987 | |||
988 | |||
989 | mov eax, [r_count] |
||
990 | ret |
||
991 | |||
992 | |||
993 | |||
994 | |||
995 | proc write_process_memory |
||
996 | ;Input: |
||
997 | ; eax - process slot |
||
998 | ; ebx - buffer address |
||
999 | ; ecx - buffer size |
||
1000 | ; edx - start address in other process |
||
1001 | ;Output: |
||
1002 | ; eax - number of bytes written |
||
1003 | |||
1004 | |||
1005 | slot dd ? |
||
1006 | buff dd ? |
||
1007 | w_count dd ? |
||
1008 | offset dd ? |
||
1009 | tmp_w_cnt dd ? |
||
1010 | endl |
||
1011 | |||
1012 | |||
1013 | mov [buff], ebx |
||
1014 | mov [w_count], ecx |
||
1015 | mov [tmp_w_cnt], ecx |
||
1016 | mov [offset], edx |
||
1017 | |||
1018 | |||
1019 | .read_mem: |
||
1020 | mov edx, [offset] |
||
1021 | mov ebx, [tmp_w_cnt] |
||
1022 | |||
1023 | |||
1024 | and edx, 0x3FFFFF |
||
1025 | sub ecx, edx |
||
1026 | cmp ecx, ebx |
||
1027 | jbe @f |
||
1028 | mov ecx, ebx |
||
1029 | @@: |
||
1030 | cmp ecx, 0x8000 |
||
1031 | jna @F |
||
1032 | mov ecx, 0x8000 |
||
1033 | @@: |
||
1034 | mov eax, [slot] |
||
1035 | shl eax,8 |
||
1036 | mov ebx, [offset] |
||
1037 | add ebx, new_app_base |
||
1038 | push ecx |
||
1039 | stdcall map_memEx, [proc_mem_map],\ |
||
1040 | [PROC_BASE+eax+0xB8],\ |
||
1041 | ebx, ecx |
||
1042 | pop ecx |
||
1043 | |||
1044 | |||
1045 | and edi, 0xfff |
||
1046 | add edi, [proc_mem_map] |
||
1047 | mov esi, [buff] |
||
1048 | mov edx, ecx |
||
1049 | rep movsb |
||
1050 | |||
1051 | |||
1052 | sub [tmp_w_cnt], edx |
||
1053 | jnz .read_mem |
||
1054 | |||
1055 | |||
1056 | mov eax, [w_count] |
||
1057 | ret |
||
1058 | endp |
||
1059 | |||
1060 | |||
1061 | |||
1062 | proc new_sys_threads |
||
1063 | locals |
||
1064 | thread_start dd ? |
||
1065 | thread_stack dd ? |
||
1066 | params dd ? |
||
1067 | slot dd ? |
||
1068 | endl |
||
1069 | |||
1070 | |||
1071 | mov [thread_stack], ecx |
||
1072 | mov [params], 0 |
||
1073 | |||
1074 | |||
1075 | |||
1076 | |||
1077 | jnz .failed ;other subfunctions |
||
1078 | mov esi,new_process_loading |
||
1079 | call sys_msg_board_str |
||
1080 | |||
1081 | |||
1082 | cmp [application_table_status],0 |
||
1083 | je .get_lock |
||
1084 | call change_task |
||
1085 | jmp .wait_lock |
||
1086 | |||
1087 | |||
1088 | mov eax, 1 |
||
1089 | xchg eax, [application_table_status] |
||
1090 | cmp eax, 0 |
||
1091 | jne .wait_lock |
||
1092 | |||
1093 | |||
1094 | |||
1095 | |||
1096 | test eax, eax |
||
1097 | jz .failed |
||
1098 | |||
1099 | |||
1100 | |||
1101 | |||
1102 | mov [app_i_param],eax |
||
1103 | mov [app_i_icon],eax |
||
1104 | |||
1105 | |||
1106 | mov ecx, [thread_stack] |
||
1107 | |||
1108 | |||
1109 | mov [app_esp],ecx |
||
1110 | |||
1111 | |||
1112 | shl esi,8 |
||
1113 | add esi,PROC_BASE |
||
1114 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
||
1115 | |||
1116 | |||
1117 | shl edi,8 |
||
1118 | add edi,PROC_BASE |
||
1119 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
||
1120 | mov ecx,256/4 |
||
1121 | rep stosd ;clean extended information about new thread |
||
1122 | mov edi,edx |
||
1123 | mov ecx,11 |
||
1124 | rep movsb ;copy process name |
||
1125 | mov eax,[ebx+0x8c] |
||
1126 | mov [app_mem],eax ;set memory size |
||
1127 | mov eax,[ebx+0xb8] |
||
1128 | mov [edx+0xb8],eax ;copy page directory |
||
1129 | |||
1130 | |||
1131 | [params], dword 0,dword 0 |
||
1132 | |||
1133 | |||
1134 | call sys_msg_board_str ;output information about succefull startup |
||
1135 | |||
1136 | |||
1137 | mov eax,[process_number] ;set result |
||
1138 | ret |
||
1139 | .failed: |
||
1140 | mov [application_table_status],0 |
||
1141 | mov eax,-1 |
||
1142 | ret |
||
1143 | endp |
||
1144 | |||
1145 | |||
1146 | proc wait_mutex stdcall, mutex:dword |
||
1147 | mov ebx, [mutex] |
||
1148 | .wait_lock: |
||
1149 | cmp dword [ebx],0 |
||
1150 | je .get_lock |
||
1151 | push ebx |
||
1152 | call change_task |
||
1153 | pop ebx |
||
1154 | jmp .wait_lock |
||
1155 | |||
1156 | |||
1157 | mov eax, 1 |
||
1158 | xchg eax, [ebx] |
||
1159 | test eax, eax |
||
1160 | jnz .wait_lock |
||
1161 | ret |
||
1162 | endp |
||
1163 | |||
1164 | |||
1165 | |||
1166 | |||
1167 | |||
1168 | new_process_loading db 'K : New Process - loading',13,10,0 |
||
1169 | new_process_running db 'K : New Process - done',13,10,0 |
||
1170 | start_not_enough_memory db 'K : New Process - not enough memory',13,10,0 |
||
1171 | endg256 |
||
1172 | >> |
||
1173 |