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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 3908 $ |
9 | |||
10 | |||
357 | serge | 11 | GREEDY_KERNEL equ 0 |
164 | serge | 12 | |
2434 | Serge | 13 | struct APP_HEADER_00_ |
14 | banner dq ? |
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15 | version dd ? ;+8 |
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16 | start dd ? ;+12 |
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17 | i_end dd ? ;+16 |
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18 | mem_size dd ? ;+20 |
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19 | i_param dd ? ;+24 |
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20 | ends |
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164 | serge | 21 | |
2434 | Serge | 22 | struct APP_HEADER_01_ |
23 | banner dq ? |
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24 | version dd ? ;+8 |
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25 | start dd ? ;+12 |
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26 | i_end dd ? ;+16 |
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27 | mem_size dd ? ;+20 |
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28 | stack_top dd ? ;+24 |
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29 | i_param dd ? ;+28 |
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30 | i_icon dd ? ;+32 |
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31 | ends |
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164 | serge | 32 | |
237 | serge | 33 | |
2434 | Serge | 34 | struct APP_PARAMS |
35 | app_cmdline dd ? ;0x00 |
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36 | app_path dd ? ;0x04 |
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37 | app_eip dd ? ;0x08 |
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38 | app_esp dd ? ;0x0C |
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39 | app_mem dd ? ;0x10 |
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40 | ends |
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237 | serge | 41 | |
42 | macro _clear_ op |
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43 | { mov ecx, op/4 |
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2434 | Serge | 44 | xor eax, eax |
45 | cld |
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46 | rep stosd |
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237 | serge | 47 | } |
48 | |||
521 | diamond | 49 | fs_execute_from_sysdir: |
2434 | Serge | 50 | xor ebx, ebx |
2010 | serge | 51 | fs_execute_from_sysdir_param: |
2434 | Serge | 52 | xor edx, edx |
53 | mov esi, sysdir_path |
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363 | serge | 54 | |
164 | serge | 55 | align 4 |
363 | serge | 56 | proc fs_execute |
57 | |||
58 | ;fn_read:dword, file_size:dword, cluster:dword |
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59 | |||
60 | ; ebx - cmdline |
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61 | ; edx - flags |
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62 | ; ebp - full filename |
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63 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
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64 | |||
1074 | Galkov | 65 | locals |
3908 | Serge | 66 | cmdline_size dd ? ; +0 ; cmdline -12 |
67 | cmdline_adr dd ? ; +4 ; cmdline -8 |
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68 | cmdline_flag dd ? ; +8 ; cmdline -4 |
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1074 | Galkov | 69 | cmdline rd 64 ;256/4 |
70 | filename rd 256 ;1024/4 |
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3908 | Serge | 71 | flags dd ? |
363 | serge | 72 | |
1074 | Galkov | 73 | save_cr3 dd ? |
3908 | Serge | 74 | slot dd ? |
1074 | Galkov | 75 | slot_base dd ? |
76 | file_base dd ? |
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77 | file_size dd ? |
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2987 | Serge | 78 | handle dd ? ;temp. for default cursor handle for curr. thread |
1074 | Galkov | 79 | ;app header data |
80 | hdr_cmdline dd ? ;0x00 |
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81 | hdr_path dd ? ;0x04 |
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82 | hdr_eip dd ? ;0x08 |
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83 | hdr_esp dd ? ;0x0C |
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84 | hdr_mem dd ? ;0x10 |
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85 | hdr_i_end dd ? ;0x14 |
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86 | endl |
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164 | serge | 87 | |
2434 | Serge | 88 | pushad |
363 | serge | 89 | |
2987 | Serge | 90 | cmp [SCR_MODE], word 0x13 |
91 | jbe @f |
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92 | pushad |
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93 | stdcall set_cursor, [def_cursor_clock] |
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94 | mov [handle], eax |
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95 | mov [redrawmouse_unconditional], 1 |
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3555 | Serge | 96 | call wakeup_osloop |
2987 | Serge | 97 | popad |
98 | @@: |
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2434 | Serge | 99 | mov [flags], edx |
363 | serge | 100 | |
101 | ; [ebp] pointer to filename |
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102 | |||
2434 | Serge | 103 | lea edi, [filename] |
104 | lea ecx, [edi+1024] |
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105 | mov al, '/' |
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106 | stosb |
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521 | diamond | 107 | @@: |
2434 | Serge | 108 | cmp edi, ecx |
109 | jae .bigfilename |
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110 | lodsb |
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111 | stosb |
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112 | test al, al |
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113 | jnz @b |
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114 | mov esi, [ebp] |
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115 | test esi, esi |
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116 | jz .namecopied |
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117 | mov byte [edi-1], '/' |
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521 | diamond | 118 | @@: |
2434 | Serge | 119 | cmp edi, ecx |
120 | jae .bigfilename |
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121 | lodsb |
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122 | stosb |
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123 | test al, al |
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124 | jnz @b |
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125 | jmp .namecopied |
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521 | diamond | 126 | .bigfilename: |
2434 | Serge | 127 | popad |
128 | mov eax, -ERROR_FILE_NOT_FOUND |
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1220 | serge | 129 | |
2987 | Serge | 130 | jmp .final |
131 | |||
521 | diamond | 132 | .namecopied: |
3908 | Serge | 133 | xor eax, eax |
134 | mov [cmdline_flag], eax |
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135 | mov [cmdline_adr], eax |
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136 | mov [cmdline_size], eax |
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363 | serge | 137 | |
2434 | Serge | 138 | mov [cmdline], ebx |
139 | test ebx, ebx |
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3908 | Serge | 140 | jz .no_copy |
141 | ;-------------------------------------- |
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142 | pushad |
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143 | pushfd |
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144 | mov esi, ebx |
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145 | mov ecx, 65536 ; 64 Kb max for ext.cmdline |
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146 | cld |
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147 | @@: |
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148 | dec ecx |
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149 | jz .end_string |
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519 | serge | 150 | |
3908 | Serge | 151 | lodsb |
152 | test al, al |
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153 | jnz @b |
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154 | |||
155 | .end_string: |
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156 | mov eax, 65536 ; 64 Kb max for ext.cmdline |
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157 | sub eax, ecx |
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158 | mov [cmdline_size], eax |
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159 | cmp eax, 255 |
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160 | ja @f |
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161 | |||
162 | popfd |
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163 | popad |
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164 | jmp .old_copy |
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165 | |||
166 | @@: |
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167 | xor eax, eax |
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168 | dec eax |
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169 | mov [cmdline_flag], eax |
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170 | popfd |
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171 | popad |
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172 | ; get memory for the extended command line |
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173 | stdcall kernel_alloc, [cmdline_size] ;eax |
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174 | test eax, eax |
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175 | jz .old_copy ; get memory failed |
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176 | |||
177 | mov [cmdline_adr], eax |
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178 | |||
179 | pushad |
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180 | pushfd |
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181 | mov esi, ebx |
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182 | mov edi, eax |
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183 | mov ecx, [cmdline_size] |
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184 | cld |
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185 | rep movsb |
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186 | popfd |
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187 | popad |
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188 | jmp .no_copy |
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189 | |||
190 | .old_copy: |
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191 | ; clear flag because old method with 256 bytes |
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192 | xor eax, eax |
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193 | mov [cmdline_flag], eax |
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194 | ;-------------------------------------- |
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2434 | Serge | 195 | lea eax, [cmdline] |
196 | mov dword [eax+252], 0 |
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3908 | Serge | 197 | .copy: |
2434 | Serge | 198 | stdcall strncpy, eax, ebx, 255 |
3908 | Serge | 199 | .no_copy: |
2434 | Serge | 200 | lea eax, [filename] |
201 | stdcall load_file, eax |
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2987 | Serge | 202 | |
2434 | Serge | 203 | mov esi, -ERROR_FILE_NOT_FOUND |
204 | test eax, eax |
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205 | jz .err_file |
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237 | serge | 206 | |
2434 | Serge | 207 | mov [file_base], eax |
208 | mov [file_size], ebx |
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237 | serge | 209 | |
2434 | Serge | 210 | lea ebx, [hdr_cmdline] |
211 | call test_app_header |
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212 | mov esi, -0x1F |
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213 | test eax, eax |
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214 | jz .err_hdr |
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237 | serge | 215 | |
3555 | Serge | 216 | call lock_application_table |
237 | serge | 217 | |
2434 | Serge | 218 | call get_new_process_place |
219 | test eax, eax |
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220 | mov esi, -0x20 ; too many processes |
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221 | jz .err |
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237 | serge | 222 | |
2434 | Serge | 223 | mov [slot], eax |
224 | shl eax, 8 |
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225 | add eax, SLOT_BASE |
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226 | mov [slot_base], eax |
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227 | mov edi, eax |
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1074 | Galkov | 228 | _clear_ 256 ;clean extended information about process |
237 | serge | 229 | |
230 | ; write application name |
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2434 | Serge | 231 | lea eax, [filename] |
232 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 233 | |
2434 | Serge | 234 | lea esi, [eax+1] |
235 | test eax, eax |
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236 | jnz @F |
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237 | lea esi, [filename] |
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237 | serge | 238 | @@: |
2987 | Serge | 239 | mov ecx, 11 ; 11 chars for name! 8 - is old value! |
2434 | Serge | 240 | mov edi, [slot_base] |
237 | serge | 241 | .copy_process_name_loop: |
2434 | Serge | 242 | lodsb |
243 | cmp al, '.' |
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244 | jz .copy_process_name_done |
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245 | test al, al |
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246 | jz .copy_process_name_done |
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247 | stosb |
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248 | loop .copy_process_name_loop |
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237 | serge | 249 | .copy_process_name_done: |
250 | |||
2434 | Serge | 251 | mov ebx, cr3 |
252 | mov [save_cr3], ebx |
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269 | serge | 253 | |
2434 | Serge | 254 | stdcall create_app_space, [hdr_mem], [file_base], [file_size] |
255 | mov esi, -30; no memory |
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256 | test eax, eax |
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257 | jz .failed |
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237 | serge | 258 | |
2434 | Serge | 259 | mov ebx, [slot_base] |
260 | mov [ebx+APPDATA.dir_table], eax |
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261 | mov eax, [hdr_mem] |
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262 | mov [ebx+APPDATA.mem_size], eax |
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237 | serge | 263 | |
2434 | Serge | 264 | xor edx, edx |
265 | cmp word [6], '02' |
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266 | jne @f |
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1220 | serge | 267 | |
2434 | Serge | 268 | not edx |
1220 | serge | 269 | @@: |
2434 | Serge | 270 | mov [ebx+APPDATA.tls_base], edx |
1220 | serge | 271 | |
357 | serge | 272 | if GREEDY_KERNEL |
273 | else |
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2434 | Serge | 274 | mov ecx, [hdr_mem] |
275 | mov edi, [file_size] |
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276 | add edi, 4095 |
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277 | and edi, not 4095 |
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278 | sub ecx, edi |
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279 | jna @F |
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269 | serge | 280 | |
2434 | Serge | 281 | xor eax, eax |
282 | cld |
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283 | rep stosb |
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247 | serge | 284 | @@: |
269 | serge | 285 | end if |
286 | |||
287 | ; release only virtual space, not phisical memory |
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288 | |||
2434 | Serge | 289 | stdcall free_kernel_space, [file_base] |
290 | lea eax, [hdr_cmdline] |
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291 | lea ebx, [cmdline] |
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292 | lea ecx, [filename] |
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293 | stdcall set_app_params , [slot], eax, ebx, ecx, [flags] |
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237 | serge | 294 | |
2434 | Serge | 295 | mov eax, [save_cr3] |
296 | call set_cr3 |
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237 | serge | 297 | |
2434 | Serge | 298 | mov eax, [process_number];set result |
3555 | Serge | 299 | call unlock_application_table |
2987 | Serge | 300 | |
301 | jmp .final |
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302 | |||
237 | serge | 303 | .failed: |
2434 | Serge | 304 | mov eax, [save_cr3] |
305 | call set_cr3 |
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269 | serge | 306 | .err: |
247 | serge | 307 | .err_hdr: |
2434 | Serge | 308 | stdcall kernel_free, [file_base] |
247 | serge | 309 | .err_file: |
3555 | Serge | 310 | call unlock_application_table |
2434 | Serge | 311 | mov eax, esi |
2987 | Serge | 312 | .final: |
313 | cmp [SCR_MODE], word 0x13 |
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314 | jbe @f |
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315 | pushad |
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316 | stdcall set_cursor, [handle] |
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317 | mov [redrawmouse_unconditional], 1 |
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3555 | Serge | 318 | call wakeup_osloop |
2987 | Serge | 319 | popad |
320 | @@: |
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2434 | Serge | 321 | ret |
237 | serge | 322 | endp |
164 | serge | 323 | |
237 | serge | 324 | align 4 |
325 | test_app_header: |
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1074 | Galkov | 326 | virtual at eax |
2434 | Serge | 327 | APP_HEADER_00 APP_HEADER_00_ |
1074 | Galkov | 328 | end virtual |
329 | virtual at eax |
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2434 | Serge | 330 | APP_HEADER_01 APP_HEADER_01_ |
1074 | Galkov | 331 | end virtual |
164 | serge | 332 | |
2434 | Serge | 333 | cmp dword [eax], 'MENU' |
334 | jne .fail |
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335 | cmp word [eax+4], 'ET' |
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336 | jne .fail |
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164 | serge | 337 | |
2434 | Serge | 338 | cmp [eax+6], word '00' |
339 | jne .check_01_header |
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164 | serge | 340 | |
2434 | Serge | 341 | mov ecx, [APP_HEADER_00.start] |
342 | mov [ebx+0x08], ecx ;app_eip |
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343 | mov edx, [APP_HEADER_00.mem_size] |
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344 | mov [ebx+0x10], edx ;app_mem |
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345 | shr edx, 1 |
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346 | sub edx, 0x10 |
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347 | mov [ebx+0x0C], edx ;app_esp |
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348 | mov ecx, [APP_HEADER_00.i_param] |
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349 | mov [ebx], ecx ;app_cmdline |
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350 | mov [ebx+4], dword 0 ;app_path |
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351 | mov edx, [APP_HEADER_00.i_end] |
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352 | mov [ebx+0x14], edx |
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353 | ret |
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164 | serge | 354 | |
237 | serge | 355 | .check_01_header: |
164 | serge | 356 | |
2434 | Serge | 357 | cmp [eax+6], word '01' |
358 | je @f |
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359 | cmp [eax+6], word '02' |
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360 | jne .fail |
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1220 | serge | 361 | @@: |
2434 | Serge | 362 | mov ecx, [APP_HEADER_01.start] |
363 | mov [ebx+0x08], ecx ;app_eip |
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364 | mov edx, [APP_HEADER_01.mem_size] |
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381 | serge | 365 | |
366 | ; \begin{diamond}[20.08.2006] |
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367 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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368 | ; fit in allocated memory to prevent kernel faults) |
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2434 | Serge | 369 | cmp edx, [APP_HEADER_01.i_end] |
370 | jb .fail |
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381 | serge | 371 | ; \end{diamond}[20.08.2006] |
372 | |||
2434 | Serge | 373 | mov [ebx+0x10], edx ;app_mem |
374 | mov ecx, [APP_HEADER_01.stack_top] |
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375 | mov [ebx+0x0C], ecx ;app_esp |
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376 | mov edx, [APP_HEADER_01.i_param] |
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377 | mov [ebx], edx ;app_cmdline |
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378 | mov ecx, [APP_HEADER_01.i_icon] |
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379 | mov [ebx+4], ecx ;app_path |
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380 | mov edx, [APP_HEADER_01.i_end] |
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381 | mov [ebx+0x14], edx |
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382 | ret |
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237 | serge | 383 | .fail: |
2434 | Serge | 384 | xor eax, eax |
385 | ret |
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164 | serge | 386 | |
387 | align 4 |
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388 | proc get_new_process_place |
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389 | ;input: |
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390 | ; none |
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391 | ;result: |
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392 | ; eax=[new_process_place]<>0 - ok |
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393 | ; 0 - failed. |
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394 | ;This function find least empty slot. |
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395 | ;It doesn't increase [TASK_COUNT]! |
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2434 | Serge | 396 | mov eax, CURRENT_TASK |
397 | mov ebx, [TASK_COUNT] |
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398 | inc ebx |
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399 | shl ebx, 5 |
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400 | add ebx, eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 401 | .newprocessplace: |
402 | ;eax = address of process information for current slot |
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2434 | Serge | 403 | cmp eax, ebx |
404 | jz .endnewprocessplace ;empty slot after high boundary |
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405 | add eax, 0x20 |
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406 | cmp word [eax+0xa], 9;check process state, 9 means that process slot is empty |
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407 | jnz .newprocessplace |
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164 | serge | 408 | .endnewprocessplace: |
2434 | Serge | 409 | mov ebx, eax |
410 | sub eax, CURRENT_TASK |
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411 | shr eax, 5 ;calculate slot index |
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412 | cmp eax, 256 |
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413 | jge .failed ;it should be <256 |
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414 | mov word [ebx+0xa], 9;set process state to 9 (for slot after hight boundary) |
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415 | ret |
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164 | serge | 416 | .failed: |
2434 | Serge | 417 | xor eax, eax |
418 | ret |
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164 | serge | 419 | endp |
420 | |||
421 | align 4 |
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269 | serge | 422 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 423 | locals |
424 | app_pages dd ? |
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425 | img_pages dd ? |
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426 | dir_addr dd ? |
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427 | app_tabs dd ? |
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428 | endl |
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164 | serge | 429 | |
2434 | Serge | 430 | mov ecx, pg_data.mutex |
431 | call mutex_lock |
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164 | serge | 432 | |
2434 | Serge | 433 | xor eax, eax |
434 | mov [dir_addr], eax |
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164 | serge | 435 | |
2434 | Serge | 436 | mov eax, [app_size] |
437 | add eax, 4095 |
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438 | and eax, NOT(4095) |
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439 | mov [app_size], eax |
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440 | mov ebx, eax |
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441 | shr eax, 12 |
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442 | mov [app_pages], eax |
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170 | serge | 443 | |
2434 | Serge | 444 | add ebx, 0x3FFFFF |
445 | and ebx, NOT(0x3FFFFF) |
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446 | shr ebx, 22 |
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447 | mov [app_tabs], ebx |
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164 | serge | 448 | |
2434 | Serge | 449 | mov ecx, [img_size] |
450 | add ecx, 4095 |
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451 | and ecx, NOT(4095) |
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164 | serge | 452 | |
2434 | Serge | 453 | mov [img_size], ecx |
454 | shr ecx, 12 |
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455 | mov [img_pages], ecx |
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164 | serge | 456 | |
2130 | serge | 457 | if GREEDY_KERNEL |
2434 | Serge | 458 | lea eax, [ecx+ebx+2];only image size |
2130 | serge | 459 | else |
2434 | Serge | 460 | lea eax, [eax+ebx+2];all requested memory |
2130 | serge | 461 | end if |
2434 | Serge | 462 | cmp eax, [pg_data.pages_free] |
463 | ja .fail |
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170 | serge | 464 | |
2434 | Serge | 465 | call alloc_page |
466 | test eax, eax |
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467 | jz .fail |
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468 | mov [dir_addr], eax |
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469 | stdcall map_page, [tmp_task_pdir], eax, dword PG_SW |
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164 | serge | 470 | |
2434 | Serge | 471 | mov edi, [tmp_task_pdir] |
472 | mov ecx, (OS_BASE shr 20)/4 |
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473 | xor eax, eax |
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474 | cld |
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475 | rep stosd |
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465 | serge | 476 | |
2434 | Serge | 477 | mov ecx, (OS_BASE shr 20)/4 |
478 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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479 | rep movsd |
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164 | serge | 480 | |
2434 | Serge | 481 | mov eax, [dir_addr] |
482 | or eax, PG_SW |
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483 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 484 | |
2434 | Serge | 485 | and eax, -4096 |
486 | call set_cr3 |
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164 | serge | 487 | |
2434 | Serge | 488 | mov edx, [app_tabs] |
489 | mov edi, new_app_base |
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164 | serge | 490 | @@: |
2434 | Serge | 491 | call alloc_page |
492 | test eax, eax |
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493 | jz .fail |
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164 | serge | 494 | |
2434 | Serge | 495 | stdcall map_page_table, edi, eax |
496 | add edi, 0x00400000 |
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497 | dec edx |
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498 | jnz @B |
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164 | serge | 499 | |
2434 | Serge | 500 | mov edi, new_app_base |
501 | shr edi, 10 |
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502 | add edi, page_tabs |
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269 | serge | 503 | |
2434 | Serge | 504 | mov ecx, [app_tabs] |
505 | shl ecx, 10 |
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506 | xor eax, eax |
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507 | rep stosd |
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164 | serge | 508 | |
2434 | Serge | 509 | mov ecx, [img_pages] |
510 | mov ebx, PG_UW |
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511 | mov edx, new_app_base |
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512 | mov esi, [img_base] |
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513 | mov edi, new_app_base |
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514 | shr esi, 10 |
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515 | shr edi, 10 |
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516 | add esi, page_tabs |
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517 | add edi, page_tabs |
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269 | serge | 518 | .remap: |
2434 | Serge | 519 | lodsd |
520 | or eax, ebx; force user level r/w access |
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521 | stosd |
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522 | add edx, 0x1000 |
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523 | dec [app_pages] |
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524 | dec ecx |
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525 | jnz .remap |
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269 | serge | 526 | |
2434 | Serge | 527 | mov ecx, [app_pages] |
528 | test ecx, ecx |
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529 | jz .done |
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269 | serge | 530 | |
531 | if GREEDY_KERNEL |
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2434 | Serge | 532 | mov eax, 0x02 |
533 | rep stosd |
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269 | serge | 534 | else |
535 | |||
164 | serge | 536 | .alloc: |
2434 | Serge | 537 | call alloc_page |
538 | test eax, eax |
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539 | jz .fail |
||
164 | serge | 540 | |
2434 | Serge | 541 | stdcall map_page, edx, eax, dword PG_UW |
542 | add edx, 0x1000 |
||
543 | dec [app_pages] |
||
544 | jnz .alloc |
||
269 | serge | 545 | end if |
164 | serge | 546 | |
269 | serge | 547 | .done: |
2434 | Serge | 548 | stdcall map_page, [tmp_task_pdir], dword 0, dword PG_UNMAP |
164 | serge | 549 | |
2434 | Serge | 550 | mov ecx, pg_data.mutex |
551 | call mutex_unlock |
||
552 | mov eax, [dir_addr] |
||
553 | ret |
||
164 | serge | 554 | .fail: |
2434 | Serge | 555 | mov ecx, pg_data.mutex |
556 | call mutex_unlock |
||
557 | cmp [dir_addr], 0 |
||
558 | je @f |
||
559 | stdcall destroy_app_space, [dir_addr], 0 |
||
164 | serge | 560 | @@: |
2434 | Serge | 561 | xor eax, eax |
562 | ret |
||
164 | serge | 563 | endp |
564 | |||
565 | align 4 |
||
566 | set_cr3: |
||
465 | serge | 567 | |
2434 | Serge | 568 | mov ebx, [current_slot] |
569 | mov [ebx+APPDATA.dir_table], eax |
||
570 | mov cr3, eax |
||
571 | ret |
||
164 | serge | 572 | |
573 | align 4 |
||
574 | proc destroy_page_table stdcall, pg_tab:dword |
||
575 | |||
2434 | Serge | 576 | push esi |
164 | serge | 577 | |
2434 | Serge | 578 | mov esi, [pg_tab] |
579 | mov ecx, 1024 |
||
164 | serge | 580 | .free: |
2434 | Serge | 581 | mov eax, [esi] |
582 | test eax, 1 |
||
583 | jz .next |
||
584 | test eax, 1 shl 9 |
||
585 | jnz .next ;skip shared pages |
||
586 | call free_page |
||
164 | serge | 587 | .next: |
2434 | Serge | 588 | add esi, 4 |
589 | dec ecx |
||
590 | jnz .free |
||
591 | pop esi |
||
592 | ret |
||
164 | serge | 593 | endp |
594 | |||
595 | align 4 |
||
1311 | diamond | 596 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 597 | |
2434 | Serge | 598 | xor edx, edx |
599 | push edx |
||
3555 | Serge | 600 | mov eax, 0x1 |
2434 | Serge | 601 | mov ebx, [pg_dir] |
164 | serge | 602 | .loop: |
603 | ;eax = current slot of process |
||
2434 | Serge | 604 | mov ecx, eax |
605 | shl ecx, 5 |
||
606 | cmp byte [CURRENT_TASK+ecx+0xa], 9;if process running? |
||
607 | jz @f ;skip empty slots |
||
608 | shl ecx, 3 |
||
609 | add ecx, SLOT_BASE |
||
610 | cmp [ecx+APPDATA.dir_table], ebx;compare page directory addresses |
||
611 | jnz @f |
||
612 | mov [ebp-4], ecx |
||
613 | inc edx ;thread found |
||
164 | serge | 614 | @@: |
2434 | Serge | 615 | inc eax |
616 | cmp eax, [TASK_COUNT] ;exit loop if we look through all processes |
||
617 | jle .loop |
||
164 | serge | 618 | |
619 | ;edx = number of threads |
||
620 | ;our process is zombi so it isn't counted |
||
2434 | Serge | 621 | pop ecx |
622 | cmp edx, 1 |
||
623 | jg .ret |
||
164 | serge | 624 | ;if there isn't threads then clear memory. |
2434 | Serge | 625 | mov esi, [dlls_list] |
626 | call destroy_all_hdlls;ecx=APPDATA |
||
164 | serge | 627 | |
2434 | Serge | 628 | mov ecx, pg_data.mutex |
629 | call mutex_lock |
||
1311 | diamond | 630 | |
2434 | Serge | 631 | mov eax, [pg_dir] |
632 | and eax, not 0xFFF |
||
633 | stdcall map_page, [tmp_task_pdir], eax, PG_SW |
||
634 | mov esi, [tmp_task_pdir] |
||
635 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 636 | .destroy: |
2434 | Serge | 637 | mov eax, [esi] |
638 | test eax, 1 |
||
639 | jz .next |
||
640 | and eax, not 0xFFF |
||
641 | stdcall map_page, [tmp_task_ptab], eax, PG_SW |
||
642 | stdcall destroy_page_table, [tmp_task_ptab] |
||
643 | mov eax, [esi] |
||
644 | call free_page |
||
164 | serge | 645 | .next: |
2434 | Serge | 646 | add esi, 4 |
647 | dec edi |
||
648 | jnz .destroy |
||
164 | serge | 649 | |
2434 | Serge | 650 | mov eax, [pg_dir] |
651 | call free_page |
||
164 | serge | 652 | .exit: |
2434 | Serge | 653 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
654 | stdcall map_page, [tmp_task_pdir], 0, PG_UNMAP |
||
655 | mov ecx, pg_data.mutex |
||
656 | call mutex_unlock |
||
1311 | diamond | 657 | .ret: |
2434 | Serge | 658 | ret |
164 | serge | 659 | endp |
660 | |||
520 | serge | 661 | align 4 |
662 | get_pid: |
||
2434 | Serge | 663 | mov eax, [TASK_BASE] |
664 | mov eax, [eax+TASKDATA.pid] |
||
665 | ret |
||
520 | serge | 666 | |
164 | serge | 667 | pid_to_slot: |
668 | ;Input: |
||
669 | ; eax - pid of process |
||
670 | ;Output: |
||
671 | ; eax - slot of process or 0 if process don't exists |
||
672 | ;Search process by PID. |
||
2434 | Serge | 673 | push ebx |
674 | push ecx |
||
675 | mov ebx, [TASK_COUNT] |
||
676 | shl ebx, 5 |
||
677 | mov ecx, 2*32 |
||
164 | serge | 678 | |
679 | .loop: |
||
680 | ;ecx=offset of current process info entry |
||
681 | ;ebx=maximum permitted offset |
||
2434 | Serge | 682 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
683 | jz .endloop ;skip empty slots |
||
684 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
685 | jz .pid_found |
||
164 | serge | 686 | .endloop: |
2434 | Serge | 687 | add ecx, 32 |
688 | cmp ecx, ebx |
||
689 | jle .loop |
||
164 | serge | 690 | |
2434 | Serge | 691 | pop ecx |
692 | pop ebx |
||
693 | xor eax, eax |
||
694 | ret |
||
164 | serge | 695 | |
696 | .pid_found: |
||
2434 | Serge | 697 | shr ecx, 5 |
698 | mov eax, ecx ;convert offset to index of slot |
||
699 | pop ecx |
||
700 | pop ebx |
||
701 | ret |
||
164 | serge | 702 | |
703 | check_region: |
||
704 | ;input: |
||
1329 | Lrz | 705 | ; esi - start of buffer |
706 | ; edx - size of buffer |
||
164 | serge | 707 | ;result: |
708 | ; eax = 1 region lays in app memory |
||
709 | ; eax = 0 region don't lays in app memory |
||
2434 | Serge | 710 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 711 | ; jmp check_process_region |
164 | serge | 712 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 713 | ;check_process_region: |
164 | serge | 714 | ;input: |
715 | ; eax - slot |
||
1329 | Lrz | 716 | ; esi - start of buffer |
717 | ; edx - size of buffer |
||
164 | serge | 718 | ;result: |
719 | ; eax = 1 region lays in app memory |
||
720 | ; eax = 0 region don't lays in app memory |
||
721 | |||
2434 | Serge | 722 | test edx, edx |
723 | jle .ok |
||
724 | shl eax, 5 |
||
725 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
726 | jnz .failed |
||
727 | shl eax, 3 |
||
728 | mov eax, [SLOT_BASE+eax+0xb8] |
||
729 | test eax, eax |
||
730 | jz .failed |
||
164 | serge | 731 | |
2434 | Serge | 732 | mov eax, 1 |
733 | ret |
||
164 | serge | 734 | |
735 | |||
736 | ; call MEM_Get_Linear_Address |
||
737 | ; push ebx |
||
738 | ; push ecx |
||
739 | ; push edx |
||
740 | ; mov edx,ebx |
||
741 | ; and edx,not (4096-1) |
||
742 | ; sub ebx,edx |
||
743 | ; add ecx,ebx |
||
744 | ; mov ebx,edx |
||
745 | ; add ecx,(4096-1) |
||
746 | ; and ecx,not (4096-1) |
||
747 | ;.loop: |
||
748 | ;;eax - linear address of page directory |
||
749 | ;;ebx - current page |
||
750 | ;;ecx - current size |
||
751 | ; mov edx,ebx |
||
752 | ; shr edx,22 |
||
753 | ; mov edx,[eax+4*edx] |
||
754 | ; and edx,not (4096-1) |
||
755 | ; test edx,edx |
||
756 | ; jz .failed1 |
||
757 | ; push eax |
||
758 | ; mov eax,edx |
||
759 | ; call MEM_Get_Linear_Address |
||
760 | ; mov edx,ebx |
||
761 | ; shr edx,12 |
||
762 | ; and edx,(1024-1) |
||
763 | ; mov eax,[eax+4*edx] |
||
764 | ; and eax,not (4096-1) |
||
765 | ; test eax,eax |
||
766 | ; pop eax |
||
767 | ; jz .failed1 |
||
768 | ; add ebx,4096 |
||
769 | ; sub ecx,4096 |
||
770 | ; jg .loop |
||
771 | ; pop edx |
||
772 | ; pop ecx |
||
773 | ; pop ebx |
||
774 | .ok: |
||
2434 | Serge | 775 | mov eax, 1 |
776 | ret |
||
164 | serge | 777 | ; |
778 | ;.failed1: |
||
779 | ; pop edx |
||
780 | ; pop ecx |
||
781 | ; pop ebx |
||
782 | .failed: |
||
2434 | Serge | 783 | xor eax, eax |
784 | ret |
||
164 | serge | 785 | |
786 | align 4 |
||
787 | proc read_process_memory |
||
788 | ;Input: |
||
789 | ; eax - process slot |
||
1329 | Lrz | 790 | ; ecx - buffer address |
791 | ; edx - buffer size |
||
792 | ; esi - start address in other process |
||
164 | serge | 793 | ;Output: |
794 | ; eax - number of bytes read. |
||
1074 | Galkov | 795 | locals |
796 | slot dd ? |
||
797 | buff dd ? |
||
798 | r_count dd ? |
||
799 | offset dd ? |
||
800 | tmp_r_cnt dd ? |
||
801 | endl |
||
164 | serge | 802 | |
2434 | Serge | 803 | mov [slot], eax |
804 | mov [buff], ecx |
||
805 | and [r_count], 0 |
||
806 | mov [tmp_r_cnt], edx |
||
807 | mov [offset], esi |
||
164 | serge | 808 | |
2434 | Serge | 809 | pushad |
164 | serge | 810 | .read_mem: |
2434 | Serge | 811 | mov edx, [offset] |
812 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 813 | |
2434 | Serge | 814 | mov ecx, 0x400000 |
815 | and edx, 0x3FFFFF |
||
816 | sub ecx, edx |
||
817 | cmp ecx, ebx |
||
818 | jbe @f |
||
819 | mov ecx, ebx |
||
164 | serge | 820 | @@: |
2434 | Serge | 821 | cmp ecx, 0x8000 |
822 | jna @F |
||
823 | mov ecx, 0x8000 |
||
164 | serge | 824 | @@: |
2434 | Serge | 825 | mov ebx, [offset] |
1220 | serge | 826 | |
2434 | Serge | 827 | push ecx |
828 | stdcall map_memEx, [proc_mem_map], \ |
||
829 | [slot], ebx, ecx, PG_MAP |
||
830 | pop ecx |
||
164 | serge | 831 | |
2434 | Serge | 832 | mov esi, [offset] |
833 | and esi, 0xfff |
||
834 | sub eax, esi |
||
835 | jbe .ret |
||
836 | cmp ecx, eax |
||
837 | jbe @f |
||
838 | mov ecx, eax |
||
839 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 840 | @@: |
2434 | Serge | 841 | add esi, [proc_mem_map] |
842 | mov edi, [buff] |
||
843 | mov edx, ecx |
||
844 | rep movsb |
||
845 | add [r_count], edx |
||
164 | serge | 846 | |
2434 | Serge | 847 | add [offset], edx |
848 | sub [tmp_r_cnt], edx |
||
849 | jnz .read_mem |
||
1314 | diamond | 850 | .ret: |
2434 | Serge | 851 | popad |
852 | mov eax, [r_count] |
||
853 | ret |
||
164 | serge | 854 | endp |
855 | |||
856 | align 4 |
||
857 | proc write_process_memory |
||
858 | ;Input: |
||
859 | ; eax - process slot |
||
1329 | Lrz | 860 | ; ecx - buffer address |
861 | ; edx - buffer size |
||
862 | ; esi - start address in other process |
||
164 | serge | 863 | ;Output: |
864 | ; eax - number of bytes written |
||
865 | |||
1074 | Galkov | 866 | locals |
867 | slot dd ? |
||
868 | buff dd ? |
||
869 | w_count dd ? |
||
870 | offset dd ? |
||
871 | tmp_w_cnt dd ? |
||
872 | endl |
||
164 | serge | 873 | |
2434 | Serge | 874 | mov [slot], eax |
875 | mov [buff], ecx |
||
876 | and [w_count], 0 |
||
877 | mov [tmp_w_cnt], edx |
||
878 | mov [offset], esi |
||
164 | serge | 879 | |
2434 | Serge | 880 | pushad |
164 | serge | 881 | .read_mem: |
2434 | Serge | 882 | mov edx, [offset] |
883 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 884 | |
2434 | Serge | 885 | mov ecx, 0x400000 |
886 | and edx, 0x3FFFFF |
||
887 | sub ecx, edx |
||
888 | cmp ecx, ebx |
||
889 | jbe @f |
||
890 | mov ecx, ebx |
||
164 | serge | 891 | @@: |
2434 | Serge | 892 | cmp ecx, 0x8000 |
893 | jna @F |
||
894 | mov ecx, 0x8000 |
||
164 | serge | 895 | @@: |
2434 | Serge | 896 | mov ebx, [offset] |
465 | serge | 897 | ; add ebx, new_app_base |
2434 | Serge | 898 | push ecx |
899 | stdcall map_memEx, [proc_mem_map], \ |
||
900 | [slot], ebx, ecx, PG_SW |
||
901 | pop ecx |
||
164 | serge | 902 | |
2434 | Serge | 903 | mov edi, [offset] |
904 | and edi, 0xfff |
||
905 | sub eax, edi |
||
906 | jbe .ret |
||
907 | cmp ecx, eax |
||
908 | jbe @f |
||
909 | mov ecx, eax |
||
910 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 911 | @@: |
2434 | Serge | 912 | add edi, [proc_mem_map] |
913 | mov esi, [buff] |
||
914 | mov edx, ecx |
||
915 | rep movsb |
||
164 | serge | 916 | |
2434 | Serge | 917 | add [w_count], edx |
918 | add [offset], edx |
||
919 | sub [tmp_w_cnt], edx |
||
920 | jnz .read_mem |
||
1314 | diamond | 921 | .ret: |
2434 | Serge | 922 | popad |
923 | mov eax, [w_count] |
||
924 | ret |
||
164 | serge | 925 | endp |
926 | |||
927 | align 4 |
||
928 | proc new_sys_threads |
||
1074 | Galkov | 929 | locals |
930 | slot dd ? |
||
931 | app_cmdline dd ? ;0x00 |
||
932 | app_path dd ? ;0x04 |
||
933 | app_eip dd ? ;0x08 |
||
934 | app_esp dd ? ;0x0C |
||
935 | app_mem dd ? ;0x10 |
||
936 | endl |
||
164 | serge | 937 | |
2434 | Serge | 938 | cmp ebx, 1 |
939 | jne .failed ;other subfunctions |
||
164 | serge | 940 | |
2434 | Serge | 941 | xor eax, eax |
942 | mov [app_eip], ecx |
||
943 | mov [app_cmdline], eax |
||
944 | mov [app_esp], edx |
||
945 | mov [app_path], eax |
||
1074 | Galkov | 946 | ;mov esi,new_process_loading |
947 | ;call sys_msg_board_str |
||
3555 | Serge | 948 | call lock_application_table |
164 | serge | 949 | |
2434 | Serge | 950 | call get_new_process_place |
951 | test eax, eax |
||
952 | jz .failed |
||
164 | serge | 953 | |
2434 | Serge | 954 | mov [slot], eax |
164 | serge | 955 | |
2434 | Serge | 956 | mov esi, [current_slot] |
957 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 958 | |
2434 | Serge | 959 | mov edi, eax |
960 | shl edi, 8 |
||
961 | add edi, SLOT_BASE |
||
962 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
963 | mov ecx, 256/4 |
||
964 | xor eax, eax |
||
965 | cld |
||
966 | rep stosd ;clean extended information about new thread |
||
967 | mov esi, ebx |
||
968 | mov edi, edx |
||
969 | mov ecx, 11 |
||
970 | rep movsb ;copy process name |
||
164 | serge | 971 | |
2434 | Serge | 972 | mov eax, [ebx+APPDATA.heap_base] |
973 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 974 | |
2434 | Serge | 975 | mov ecx, [ebx+APPDATA.heap_top] |
976 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 977 | |
2434 | Serge | 978 | mov eax, [ebx+APPDATA.mem_size] |
979 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 980 | |
2434 | Serge | 981 | mov ecx, [ebx+APPDATA.dir_table] |
982 | mov [edx+APPDATA.dir_table], ecx;copy page directory |
||
237 | serge | 983 | |
2434 | Serge | 984 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
985 | mov [edx+APPDATA.dlls_list_ptr], eax |
||
1311 | diamond | 986 | |
2434 | Serge | 987 | mov eax, [ebx+APPDATA.tls_base] |
988 | test eax, eax |
||
989 | jz @F |
||
1220 | serge | 990 | |
2434 | Serge | 991 | push edx |
992 | stdcall user_alloc, 4096 |
||
993 | pop edx |
||
994 | test eax, eax |
||
995 | jz .failed1;eax=0 |
||
1220 | serge | 996 | @@: |
2434 | Serge | 997 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 998 | |
2434 | Serge | 999 | lea eax, [app_cmdline] |
1000 | stdcall set_app_params , [slot], eax, dword 0, \ |
||
1001 | dword 0,dword 0 |
||
237 | serge | 1002 | |
1074 | Galkov | 1003 | ;mov esi,new_process_running |
2434 | Serge | 1004 | ;call sys_msg_board_str ;output information about succefull startup |
1005 | mov eax, [process_number] ;set result |
||
3555 | Serge | 1006 | call unlock_application_table |
2434 | Serge | 1007 | ret |
164 | serge | 1008 | .failed: |
2434 | Serge | 1009 | xor eax, eax |
1322 | Lrz | 1010 | .failed1: |
3555 | Serge | 1011 | call unlock_application_table |
2434 | Serge | 1012 | dec eax ;-1 |
1013 | ret |
||
164 | serge | 1014 | endp |
1015 | |||
1016 | align 4 |
||
1220 | serge | 1017 | tls_app_entry: |
1018 | |||
2434 | Serge | 1019 | call init_heap |
1220 | serge | 1020 | stdcall user_alloc, 4096 |
1021 | |||
2434 | Serge | 1022 | mov edx, [current_slot] |
1023 | mov [edx+APPDATA.tls_base], eax |
||
1024 | mov [tls_data_l+2], ax |
||
1025 | shr eax, 16 |
||
1026 | mov [tls_data_l+4], al |
||
1027 | mov [tls_data_l+7], ah |
||
1028 | mov dx, app_tls |
||
1029 | mov fs, dx |
||
1220 | serge | 1030 | popad |
1031 | iretd |
||
1032 | |||
1033 | |||
1074 | Galkov | 1034 | EFL_IF equ 0x0200 |
465 | serge | 1035 | EFL_IOPL1 equ 0x1000 |
1036 | EFL_IOPL2 equ 0x2000 |
||
1037 | EFL_IOPL3 equ 0x3000 |
||
1038 | |||
1039 | |||
237 | serge | 1040 | align 4 |
1041 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 1042 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 1043 | |
1074 | Galkov | 1044 | locals |
1045 | pl0_stack dd ? |
||
1046 | endl |
||
237 | serge | 1047 | |
2434 | Serge | 1048 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1049 | mov [pl0_stack], eax |
||
357 | serge | 1050 | |
2434 | Serge | 1051 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1052 | |
2434 | Serge | 1053 | mov eax, [slot] |
1054 | mov ebx, eax |
||
357 | serge | 1055 | |
2434 | Serge | 1056 | shl eax, 8 |
1057 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1058 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1059 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3500 | Serge | 1060 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
357 | serge | 1061 | |
465 | serge | 1062 | ;set default io permission map |
2434 | Serge | 1063 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1064 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1065 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1066 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1067 | |
2434 | Serge | 1068 | mov esi, fpu_data |
1069 | mov ecx, 512/4 |
||
1070 | rep movsd |
||
237 | serge | 1071 | |
2434 | Serge | 1072 | cmp ebx, [TASK_COUNT] |
1073 | jle .noinc |
||
1074 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1075 | .noinc: |
2434 | Serge | 1076 | shl ebx, 8 |
1077 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1078 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1079 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 1080 | |
2434 | Serge | 1081 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1082 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1083 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 1084 | |
2434 | Serge | 1085 | mov ecx, [def_cursor] |
1086 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1087 | mov eax, [pl0_stack] |
||
1088 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1089 | add eax, RING0_STACK_SIZE |
||
1090 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1091 | |
2434 | Serge | 1092 | push ebx |
1093 | stdcall kernel_alloc, 0x1000 |
||
1094 | pop ebx |
||
1095 | mov esi, [current_slot] |
||
1096 | mov esi, [esi+APPDATA.cur_dir] |
||
1097 | mov ecx, 0x1000/4 |
||
1098 | mov edi, eax |
||
1099 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1100 | rep movsd |
||
521 | diamond | 1101 | |
2434 | Serge | 1102 | shr ebx, 3 |
1103 | mov eax, new_app_base |
||
1104 | mov dword [CURRENT_TASK+ebx+0x10], eax |
||
237 | serge | 1105 | |
1106 | .add_command_line: |
||
2434 | Serge | 1107 | mov edx, [params] |
1108 | mov edx, [edx] ;app_cmdline |
||
1109 | test edx, edx |
||
1110 | jz @f ;application doesn't need parameters |
||
281 | serge | 1111 | |
2434 | Serge | 1112 | mov eax, edx |
1113 | add eax, 256 |
||
1114 | jc @f |
||
281 | serge | 1115 | |
2434 | Serge | 1116 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1117 | ja @f |
||
281 | serge | 1118 | |
3908 | Serge | 1119 | mov eax, [cmd_line] |
1120 | |||
1121 | cmp [edx], dword 0xffffffff ; extended destination tag |
||
1122 | jne .no_ext_dest |
||
1123 | |||
1124 | mov edx, [edx+4] ; extended destination for cmdline |
||
1125 | jmp .continue |
||
1126 | |||
1127 | .no_ext_dest: |
||
1128 | mov [eax-12], dword 255 |
||
1129 | .continue: |
||
2434 | Serge | 1130 | mov byte [edx], 0 ;force empty string if no cmdline given |
3908 | Serge | 1131 | |
2434 | Serge | 1132 | test eax, eax |
1133 | jz @f |
||
3908 | Serge | 1134 | ;-------------------------------------- |
1135 | cmp [eax-4], dword 0xffffffff ; cmdline_flag |
||
1136 | jne .old_copy |
||
1137 | |||
1138 | push eax |
||
1139 | stdcall strncpy, edx, [eax-8], [eax-12] |
||
1140 | pop eax |
||
1141 | |||
1142 | stdcall kernel_free, [eax-8] |
||
1143 | jmp @f |
||
1144 | |||
1145 | .old_copy: |
||
1146 | ;-------------------------------------- |
||
2434 | Serge | 1147 | stdcall strncpy, edx, eax, 256 |
237 | serge | 1148 | @@: |
2434 | Serge | 1149 | mov edx, [params] |
1150 | mov edx, [edx+4];app_path |
||
1151 | test edx, edx |
||
1152 | jz @F ;application don't need path of file |
||
1153 | mov eax, edx |
||
1154 | add eax, 1024 |
||
1155 | jc @f |
||
1156 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1157 | ja @f |
||
1158 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1159 | @@: |
2434 | Serge | 1160 | mov ebx, [slot] |
1161 | mov eax, ebx |
||
1162 | shl ebx, 5 |
||
1163 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 1164 | |
2434 | Serge | 1165 | mov edx, irq0.return |
1166 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1167 | jne @F |
||
1168 | mov edx, tls_app_entry |
||
1220 | serge | 1169 | @@: |
237 | serge | 1170 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2434 | Serge | 1171 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1172 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1173 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1174 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 1175 | |
2434 | Serge | 1176 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 1177 | |
2434 | Serge | 1178 | inc dword [process_number] |
1179 | mov eax, [process_number] |
||
1180 | mov [ebx+4], eax ;set PID |
||
237 | serge | 1181 | |
1182 | ;set draw data to full screen |
||
2434 | Serge | 1183 | xor eax, eax |
1184 | mov [ecx+0], dword eax |
||
1185 | mov [ecx+4], dword eax |
||
1186 | mov eax, [Screen_Max_X] |
||
1187 | mov [ecx+8], eax |
||
1188 | mov eax, [Screen_Max_Y] |
||
1189 | mov [ecx+12], eax |
||
237 | serge | 1190 | |
2434 | Serge | 1191 | mov ebx, [pl0_stack] |
1192 | mov esi, [params] |
||
1193 | lea ecx, [ebx+REG_EIP] |
||
1194 | xor eax, eax |
||
237 | serge | 1195 | |
2434 | Serge | 1196 | mov [ebx+REG_RET], edx |
1197 | mov [ebx+REG_EDI], eax |
||
1198 | mov [ebx+REG_ESI], eax |
||
1199 | mov [ebx+REG_EBP], eax |
||
1200 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1201 | mov [ebx+REG_EBX], eax |
||
1202 | mov [ebx+REG_EDX], eax |
||
1203 | mov [ebx+REG_ECX], eax |
||
1204 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1205 | |
2434 | Serge | 1206 | mov eax, [esi+0x08] ;app_eip |
1207 | mov [ebx+REG_EIP], eax;app_entry |
||
1208 | mov [ebx+REG_CS], dword app_code |
||
3555 | Serge | 1209 | mov ecx, USER_PRIORITY |
3500 | Serge | 1210 | mov eax, [CURRENT_TASK] |
1211 | shl eax, 8 ; created by kernel? |
||
1212 | cmp [SLOT_BASE+eax+APPDATA.dir_table], sys_pgdir - OS_BASE |
||
1213 | jnz @f |
||
1214 | cmp [app_path], 0 ; it is a thread? |
||
1215 | jnz @f |
||
1216 | mov [ebx+REG_CS], dword os_code ; kernel thread |
||
3555 | Serge | 1217 | mov ecx, MAX_PRIORITY |
3500 | Serge | 1218 | @@: |
2434 | Serge | 1219 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
465 | serge | 1220 | |
2434 | Serge | 1221 | mov eax, [esi+0x0C] ;app_esp |
1222 | mov [ebx+REG_APP_ESP], eax;app_stack |
||
1223 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1224 | |
3555 | Serge | 1225 | lea edx, [ebx+REG_RET] |
2434 | Serge | 1226 | mov ebx, [slot] |
1227 | shl ebx, 5 |
||
3555 | Serge | 1228 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
237 | serge | 1229 | |
3555 | Serge | 1230 | xor edx, edx; process state - running |
237 | serge | 1231 | ; set if debuggee |
2434 | Serge | 1232 | test byte [flags], 1 |
1233 | jz .no_debug |
||
3555 | Serge | 1234 | inc edx ; process state - suspended |
2434 | Serge | 1235 | mov eax, [CURRENT_TASK] |
1236 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1237 | .no_debug: |
3555 | Serge | 1238 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1239 | lea edx, [SLOT_BASE+ebx*8] |
||
1240 | call scheduler_add_thread |
||
1074 | Galkov | 1241 | ;mov esi,new_process_running |
1242 | ;call sys_msg_board_str ;output information about succefull startup |
||
2434 | Serge | 1243 | ret |
237 | serge | 1244 | endp |
1245 | |||
2010 | serge | 1246 | |
1247 | align 4 |
||
1248 | |||
1249 | get_stack_base: |
||
2434 | Serge | 1250 | mov eax, [current_slot] |
1251 | mov eax, [eax+APPDATA.pl0_stack] |
||
1252 | ret |
||
2010 | serge | 1253 | |
1254 | |||
164 | serge | 1255 | include "debug.inc"256 |