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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5565 | serge | 3 | ;; Copyright (C) KolibriOS team 2004-2015. 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: 5577 $ |
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 | |
5201 | serge | 73 | save_proc 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 | |
5201 | serge | 218 | call alloc_thread_slot |
2434 | Serge | 219 | test eax, eax |
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 | |||
5201 | serge | 251 | mov ebx, [current_process] |
252 | mov [save_proc], ebx |
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269 | serge | 253 | |
5201 | serge | 254 | stdcall create_process, [hdr_mem], [file_base], [file_size] |
2434 | Serge | 255 | mov esi, -30; no memory |
256 | test eax, eax |
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257 | jz .failed |
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237 | serge | 258 | |
5201 | serge | 259 | mov ebx, [hdr_mem] |
260 | mov [eax+PROC.mem_used], ebx |
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261 | |||
2434 | Serge | 262 | mov ebx, [slot_base] |
5201 | serge | 263 | mov [ebx+APPDATA.process], eax |
237 | serge | 264 | |
5201 | serge | 265 | lea edx, [ebx+APPDATA.list] |
266 | lea ecx, [eax+PROC.thr_list] |
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267 | list_add_tail edx, ecx |
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268 | |||
2434 | Serge | 269 | xor edx, edx |
270 | cmp word [6], '02' |
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271 | jne @f |
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1220 | serge | 272 | |
2434 | Serge | 273 | not edx |
1220 | serge | 274 | @@: |
2434 | Serge | 275 | mov [ebx+APPDATA.tls_base], edx |
1220 | serge | 276 | |
357 | serge | 277 | if GREEDY_KERNEL |
278 | else |
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2434 | Serge | 279 | mov ecx, [hdr_mem] |
280 | mov edi, [file_size] |
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281 | add edi, 4095 |
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282 | and edi, not 4095 |
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283 | sub ecx, edi |
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284 | jna @F |
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269 | serge | 285 | |
2434 | Serge | 286 | xor eax, eax |
287 | cld |
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288 | rep stosb |
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247 | serge | 289 | @@: |
269 | serge | 290 | end if |
291 | |||
292 | ; release only virtual space, not phisical memory |
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293 | |||
2434 | Serge | 294 | stdcall free_kernel_space, [file_base] |
295 | lea eax, [hdr_cmdline] |
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296 | lea ebx, [cmdline] |
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297 | lea ecx, [filename] |
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298 | stdcall set_app_params , [slot], eax, ebx, ecx, [flags] |
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237 | serge | 299 | |
5201 | serge | 300 | mov eax, [save_proc] |
2434 | Serge | 301 | call set_cr3 |
237 | serge | 302 | |
2434 | Serge | 303 | mov eax, [process_number];set result |
3555 | Serge | 304 | call unlock_application_table |
2987 | Serge | 305 | |
306 | jmp .final |
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307 | |||
237 | serge | 308 | .failed: |
5201 | serge | 309 | mov eax, [save_proc] |
2434 | Serge | 310 | call set_cr3 |
269 | serge | 311 | .err: |
247 | serge | 312 | .err_hdr: |
2434 | Serge | 313 | stdcall kernel_free, [file_base] |
247 | serge | 314 | .err_file: |
3555 | Serge | 315 | call unlock_application_table |
2434 | Serge | 316 | mov eax, esi |
2987 | Serge | 317 | .final: |
318 | cmp [SCR_MODE], word 0x13 |
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319 | jbe @f |
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320 | pushad |
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321 | stdcall set_cursor, [handle] |
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322 | mov [redrawmouse_unconditional], 1 |
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3555 | Serge | 323 | call wakeup_osloop |
2987 | Serge | 324 | popad |
325 | @@: |
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2434 | Serge | 326 | ret |
237 | serge | 327 | endp |
164 | serge | 328 | |
237 | serge | 329 | align 4 |
330 | test_app_header: |
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1074 | Galkov | 331 | virtual at eax |
2434 | Serge | 332 | APP_HEADER_00 APP_HEADER_00_ |
1074 | Galkov | 333 | end virtual |
334 | virtual at eax |
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2434 | Serge | 335 | APP_HEADER_01 APP_HEADER_01_ |
1074 | Galkov | 336 | end virtual |
164 | serge | 337 | |
2434 | Serge | 338 | cmp dword [eax], 'MENU' |
339 | jne .fail |
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340 | cmp word [eax+4], 'ET' |
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341 | jne .fail |
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164 | serge | 342 | |
2434 | Serge | 343 | cmp [eax+6], word '00' |
344 | jne .check_01_header |
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164 | serge | 345 | |
2434 | Serge | 346 | mov ecx, [APP_HEADER_00.start] |
347 | mov [ebx+0x08], ecx ;app_eip |
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348 | mov edx, [APP_HEADER_00.mem_size] |
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349 | mov [ebx+0x10], edx ;app_mem |
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350 | shr edx, 1 |
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351 | sub edx, 0x10 |
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352 | mov [ebx+0x0C], edx ;app_esp |
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353 | mov ecx, [APP_HEADER_00.i_param] |
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354 | mov [ebx], ecx ;app_cmdline |
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355 | mov [ebx+4], dword 0 ;app_path |
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356 | mov edx, [APP_HEADER_00.i_end] |
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357 | mov [ebx+0x14], edx |
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358 | ret |
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164 | serge | 359 | |
237 | serge | 360 | .check_01_header: |
164 | serge | 361 | |
2434 | Serge | 362 | cmp [eax+6], word '01' |
363 | je @f |
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364 | cmp [eax+6], word '02' |
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365 | jne .fail |
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1220 | serge | 366 | @@: |
2434 | Serge | 367 | mov ecx, [APP_HEADER_01.start] |
368 | mov [ebx+0x08], ecx ;app_eip |
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369 | mov edx, [APP_HEADER_01.mem_size] |
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381 | serge | 370 | |
371 | ; \begin{diamond}[20.08.2006] |
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372 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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373 | ; fit in allocated memory to prevent kernel faults) |
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2434 | Serge | 374 | cmp edx, [APP_HEADER_01.i_end] |
375 | jb .fail |
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381 | serge | 376 | ; \end{diamond}[20.08.2006] |
377 | |||
2434 | Serge | 378 | mov [ebx+0x10], edx ;app_mem |
379 | mov ecx, [APP_HEADER_01.stack_top] |
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380 | mov [ebx+0x0C], ecx ;app_esp |
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381 | mov edx, [APP_HEADER_01.i_param] |
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382 | mov [ebx], edx ;app_cmdline |
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383 | mov ecx, [APP_HEADER_01.i_icon] |
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384 | mov [ebx+4], ecx ;app_path |
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385 | mov edx, [APP_HEADER_01.i_end] |
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386 | mov [ebx+0x14], edx |
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387 | ret |
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237 | serge | 388 | .fail: |
2434 | Serge | 389 | xor eax, eax |
390 | ret |
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164 | serge | 391 | |
392 | align 4 |
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5201 | serge | 393 | alloc_thread_slot: |
164 | serge | 394 | ;input: |
395 | ; none |
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396 | ;result: |
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5201 | serge | 397 | ; eax=[new_thread_slot]<>0 - ok |
164 | serge | 398 | ; 0 - failed. |
399 | ;This function find least empty slot. |
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400 | ;It doesn't increase [TASK_COUNT]! |
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5201 | serge | 401 | |
402 | |||
403 | mov edx, thr_slot_map |
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404 | pushfd |
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405 | cli |
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406 | .l1: |
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407 | bsf eax, [edx] |
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408 | jnz .found |
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409 | add edx, 4 |
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410 | cmp edx, thr_slot_map+32 |
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411 | jb .l1 |
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412 | |||
413 | popfd |
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2434 | Serge | 414 | xor eax, eax |
415 | ret |
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5201 | serge | 416 | .found: |
417 | btr [edx], eax |
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418 | sub edx, thr_slot_map |
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419 | lea eax, [eax+edx*8] |
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420 | popfd |
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421 | ret |
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164 | serge | 422 | |
5201 | serge | 423 | |
164 | serge | 424 | align 4 |
5201 | serge | 425 | proc create_process stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 426 | locals |
427 | app_pages dd ? |
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428 | img_pages dd ? |
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5201 | serge | 429 | process dd ? |
1074 | Galkov | 430 | app_tabs dd ? |
431 | endl |
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164 | serge | 432 | |
5201 | serge | 433 | push ebx |
434 | push esi |
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435 | push edi |
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436 | |||
2434 | Serge | 437 | mov ecx, pg_data.mutex |
438 | call mutex_lock |
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164 | serge | 439 | |
2434 | Serge | 440 | xor eax, eax |
5201 | serge | 441 | mov [process], eax |
164 | serge | 442 | |
2434 | Serge | 443 | mov eax, [app_size] |
444 | add eax, 4095 |
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445 | and eax, NOT(4095) |
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446 | mov [app_size], eax |
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447 | mov ebx, eax |
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448 | shr eax, 12 |
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449 | mov [app_pages], eax |
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170 | serge | 450 | |
2434 | Serge | 451 | add ebx, 0x3FFFFF |
452 | and ebx, NOT(0x3FFFFF) |
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453 | shr ebx, 22 |
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454 | mov [app_tabs], ebx |
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164 | serge | 455 | |
2434 | Serge | 456 | mov ecx, [img_size] |
457 | add ecx, 4095 |
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458 | and ecx, NOT(4095) |
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164 | serge | 459 | |
2434 | Serge | 460 | mov [img_size], ecx |
461 | shr ecx, 12 |
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462 | mov [img_pages], ecx |
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164 | serge | 463 | |
2434 | Serge | 464 | lea eax, [eax+ebx+2];all requested memory |
5201 | serge | 465 | |
2434 | Serge | 466 | cmp eax, [pg_data.pages_free] |
467 | ja .fail |
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170 | serge | 468 | |
5201 | serge | 469 | stdcall kernel_alloc, 0x2000 |
2434 | Serge | 470 | test eax, eax |
471 | jz .fail |
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5577 | serge | 472 | |
5201 | serge | 473 | mov [process], eax |
164 | serge | 474 | |
5201 | serge | 475 | lea edi, [eax+PROC.heap_lock] |
5577 | serge | 476 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5201 | serge | 477 | |
478 | list_init eax |
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479 | add eax, PROC.thr_list |
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480 | list_init eax |
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481 | |||
2434 | Serge | 482 | xor eax, eax |
483 | cld |
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484 | rep stosd |
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465 | serge | 485 | |
5577 | serge | 486 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
487 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5201 | serge | 488 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5577 | serge | 489 | add edi, 8 |
490 | inc eax |
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5201 | serge | 491 | @@: |
492 | stosd |
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493 | inc eax |
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494 | cmp eax, ecx |
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495 | jbe @B |
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496 | |||
497 | mov eax, edi |
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498 | call get_pg_addr |
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499 | mov [edi-4096+PROC.pdt_0_phys], eax |
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500 | |||
2434 | Serge | 501 | mov ecx, (OS_BASE shr 20)/4 |
5201 | serge | 502 | xor eax, eax |
503 | rep stosd |
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504 | |||
505 | mov ecx, (OS_BASE shr 20)/4 |
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506 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2434 | Serge | 507 | rep movsd |
164 | serge | 508 | |
5201 | serge | 509 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5565 | serge | 510 | or eax, PG_SWR |
2434 | Serge | 511 | mov [edi-4096+(page_tabs shr 20)], eax |
378 | serge | 512 | |
5201 | serge | 513 | lea eax, [edi-8192] |
2434 | Serge | 514 | call set_cr3 |
164 | serge | 515 | |
5565 | serge | 516 | mov edx, [app_tabs] |
5201 | serge | 517 | xor edi, edi |
164 | serge | 518 | @@: |
2434 | Serge | 519 | call alloc_page |
520 | test eax, eax |
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521 | jz .fail |
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164 | serge | 522 | |
2434 | Serge | 523 | stdcall map_page_table, edi, eax |
524 | add edi, 0x00400000 |
||
5565 | serge | 525 | dec edx |
526 | jnz @B |
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164 | serge | 527 | |
5201 | serge | 528 | mov edi, page_tabs |
269 | serge | 529 | |
2434 | Serge | 530 | mov ecx, [app_tabs] |
531 | shl ecx, 10 |
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532 | xor eax, eax |
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533 | rep stosd |
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164 | serge | 534 | |
5565 | serge | 535 | mov ecx, [img_pages] |
536 | mov ebx, PG_UWR |
||
5201 | serge | 537 | xor edx, edx |
2434 | Serge | 538 | mov esi, [img_base] |
539 | shr esi, 10 |
||
540 | add esi, page_tabs |
||
5201 | serge | 541 | mov edi, page_tabs |
269 | serge | 542 | .remap: |
2434 | Serge | 543 | lodsd |
4423 | Serge | 544 | and eax, 0xFFFFF000 |
2434 | Serge | 545 | or eax, ebx; force user level r/w access |
546 | stosd |
||
547 | add edx, 0x1000 |
||
5565 | serge | 548 | dec [app_pages] |
549 | dec ecx |
||
550 | jnz .remap |
||
551 | |||
552 | mov ecx, [app_pages] |
||
553 | test ecx, ecx |
||
2434 | Serge | 554 | jz .done |
269 | serge | 555 | |
5565 | serge | 556 | .alloc: |
2434 | Serge | 557 | call alloc_page |
558 | test eax, eax |
||
559 | jz .fail |
||
164 | serge | 560 | |
5565 | serge | 561 | stdcall map_page, edx, eax, dword PG_UWR |
2434 | Serge | 562 | add edx, 0x1000 |
5565 | serge | 563 | dec [app_pages] |
564 | jnz .alloc |
||
164 | serge | 565 | |
269 | serge | 566 | .done: |
2434 | Serge | 567 | mov ecx, pg_data.mutex |
568 | call mutex_unlock |
||
5201 | serge | 569 | mov eax, [process] |
570 | |||
571 | pop edi |
||
572 | pop esi |
||
573 | pop ebx |
||
2434 | Serge | 574 | ret |
164 | serge | 575 | .fail: |
2434 | Serge | 576 | mov ecx, pg_data.mutex |
577 | call mutex_unlock |
||
5201 | serge | 578 | cmp [process], 0 |
2434 | Serge | 579 | je @f |
5201 | serge | 580 | ;; stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 581 | @@: |
2434 | Serge | 582 | xor eax, eax |
5201 | serge | 583 | pop edi |
584 | pop esi |
||
585 | pop ebx |
||
2434 | Serge | 586 | ret |
164 | serge | 587 | endp |
588 | |||
589 | align 4 |
||
590 | set_cr3: |
||
5201 | serge | 591 | pushfd |
592 | cli |
||
2434 | Serge | 593 | mov ebx, [current_slot] |
5201 | serge | 594 | mov [current_process], eax |
595 | mov [ebx+APPDATA.process], eax |
||
596 | mov eax, [eax+PROC.pdt_0_phys] |
||
2434 | Serge | 597 | mov cr3, eax |
5201 | serge | 598 | popfd |
2434 | Serge | 599 | ret |
164 | serge | 600 | |
601 | align 4 |
||
602 | proc destroy_page_table stdcall, pg_tab:dword |
||
603 | |||
2434 | Serge | 604 | push esi |
164 | serge | 605 | |
2434 | Serge | 606 | mov esi, [pg_tab] |
607 | mov ecx, 1024 |
||
164 | serge | 608 | .free: |
2434 | Serge | 609 | mov eax, [esi] |
610 | test eax, 1 |
||
611 | jz .next |
||
5201 | serge | 612 | test eax, 2 |
613 | jz .next |
||
2434 | Serge | 614 | test eax, 1 shl 9 |
615 | jnz .next ;skip shared pages |
||
616 | call free_page |
||
164 | serge | 617 | .next: |
2434 | Serge | 618 | add esi, 4 |
619 | dec ecx |
||
620 | jnz .free |
||
621 | pop esi |
||
622 | ret |
||
164 | serge | 623 | endp |
624 | |||
625 | align 4 |
||
5201 | serge | 626 | destroy_process: ;fastcall ecx= ptr to process |
164 | serge | 627 | |
5201 | serge | 628 | lea eax, [ecx+PROC.thr_list] |
629 | cmp eax, [eax+LHEAD.next] |
||
630 | jne .exit |
||
164 | serge | 631 | |
5201 | serge | 632 | align 4 |
633 | .internal: |
||
634 | push ecx |
||
164 | serge | 635 | |
5201 | serge | 636 | mov esi, [ecx+PROC.dlls_list_ptr] |
637 | call destroy_all_hdlls |
||
1311 | diamond | 638 | |
5201 | serge | 639 | ; mov ecx, pg_data.mutex |
640 | ; call mutex_lock |
||
641 | |||
642 | mov esi, [esp] |
||
643 | add esi, PROC.pdt_0 |
||
644 | mov edi, (0x80000000 shr 20)/4 |
||
164 | serge | 645 | .destroy: |
2434 | Serge | 646 | mov eax, [esi] |
647 | test eax, 1 |
||
648 | jz .next |
||
649 | and eax, not 0xFFF |
||
5565 | serge | 650 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2434 | Serge | 651 | stdcall destroy_page_table, [tmp_task_ptab] |
652 | mov eax, [esi] |
||
653 | call free_page |
||
164 | serge | 654 | .next: |
2434 | Serge | 655 | add esi, 4 |
656 | dec edi |
||
657 | jnz .destroy |
||
164 | serge | 658 | |
5201 | serge | 659 | call kernel_free ;ecx still in stack |
660 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
||
661 | ; mov ecx, pg_data.mutex |
||
662 | ; call mutex_unlock |
||
663 | |||
164 | serge | 664 | .exit: |
2434 | Serge | 665 | ret |
164 | serge | 666 | |
520 | serge | 667 | align 4 |
668 | get_pid: |
||
2434 | Serge | 669 | mov eax, [TASK_BASE] |
670 | mov eax, [eax+TASKDATA.pid] |
||
671 | ret |
||
520 | serge | 672 | |
164 | serge | 673 | pid_to_slot: |
674 | ;Input: |
||
675 | ; eax - pid of process |
||
676 | ;Output: |
||
677 | ; eax - slot of process or 0 if process don't exists |
||
678 | ;Search process by PID. |
||
2434 | Serge | 679 | push ebx |
680 | push ecx |
||
681 | mov ebx, [TASK_COUNT] |
||
682 | shl ebx, 5 |
||
683 | mov ecx, 2*32 |
||
164 | serge | 684 | |
685 | .loop: |
||
686 | ;ecx=offset of current process info entry |
||
687 | ;ebx=maximum permitted offset |
||
2434 | Serge | 688 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
689 | jz .endloop ;skip empty slots |
||
690 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
691 | jz .pid_found |
||
164 | serge | 692 | .endloop: |
2434 | Serge | 693 | add ecx, 32 |
694 | cmp ecx, ebx |
||
695 | jle .loop |
||
164 | serge | 696 | |
2434 | Serge | 697 | pop ecx |
698 | pop ebx |
||
699 | xor eax, eax |
||
700 | ret |
||
164 | serge | 701 | |
702 | .pid_found: |
||
2434 | Serge | 703 | shr ecx, 5 |
704 | mov eax, ecx ;convert offset to index of slot |
||
705 | pop ecx |
||
706 | pop ebx |
||
707 | ret |
||
164 | serge | 708 | |
709 | check_region: |
||
710 | ;input: |
||
1329 | Lrz | 711 | ; esi - start of buffer |
712 | ; edx - size of buffer |
||
164 | serge | 713 | ;result: |
714 | ; eax = 1 region lays in app memory |
||
715 | ; eax = 0 region don't lays in app memory |
||
5201 | serge | 716 | |
717 | mov eax, 1 |
||
718 | ret |
||
719 | if 0 |
||
2434 | Serge | 720 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 721 | ; jmp check_process_region |
164 | serge | 722 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 723 | ;check_process_region: |
164 | serge | 724 | ;input: |
725 | ; eax - slot |
||
1329 | Lrz | 726 | ; esi - start of buffer |
727 | ; edx - size of buffer |
||
164 | serge | 728 | ;result: |
729 | ; eax = 1 region lays in app memory |
||
730 | ; eax = 0 region don't lays in app memory |
||
731 | |||
2434 | Serge | 732 | test edx, edx |
733 | jle .ok |
||
734 | shl eax, 5 |
||
735 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
736 | jnz .failed |
||
737 | shl eax, 3 |
||
738 | mov eax, [SLOT_BASE+eax+0xb8] |
||
739 | test eax, eax |
||
740 | jz .failed |
||
164 | serge | 741 | |
2434 | Serge | 742 | mov eax, 1 |
743 | ret |
||
164 | serge | 744 | .ok: |
2434 | Serge | 745 | mov eax, 1 |
746 | ret |
||
164 | serge | 747 | .failed: |
2434 | Serge | 748 | xor eax, eax |
749 | ret |
||
5201 | serge | 750 | end if |
164 | serge | 751 | |
752 | align 4 |
||
753 | proc read_process_memory |
||
754 | ;Input: |
||
755 | ; eax - process slot |
||
1329 | Lrz | 756 | ; ecx - buffer address |
757 | ; edx - buffer size |
||
758 | ; esi - start address in other process |
||
164 | serge | 759 | ;Output: |
760 | ; eax - number of bytes read. |
||
1074 | Galkov | 761 | locals |
762 | slot dd ? |
||
763 | buff dd ? |
||
764 | r_count dd ? |
||
765 | offset dd ? |
||
766 | tmp_r_cnt dd ? |
||
767 | endl |
||
164 | serge | 768 | |
2434 | Serge | 769 | mov [slot], eax |
770 | mov [buff], ecx |
||
771 | and [r_count], 0 |
||
772 | mov [tmp_r_cnt], edx |
||
773 | mov [offset], esi |
||
164 | serge | 774 | |
2434 | Serge | 775 | pushad |
164 | serge | 776 | .read_mem: |
2434 | Serge | 777 | mov edx, [offset] |
778 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 779 | |
2434 | Serge | 780 | mov ecx, 0x400000 |
781 | and edx, 0x3FFFFF |
||
782 | sub ecx, edx |
||
783 | cmp ecx, ebx |
||
784 | jbe @f |
||
785 | mov ecx, ebx |
||
164 | serge | 786 | @@: |
2434 | Serge | 787 | cmp ecx, 0x8000 |
788 | jna @F |
||
789 | mov ecx, 0x8000 |
||
164 | serge | 790 | @@: |
2434 | Serge | 791 | mov ebx, [offset] |
1220 | serge | 792 | |
2434 | Serge | 793 | push ecx |
794 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 795 | [slot], ebx, ecx, PG_READ |
2434 | Serge | 796 | pop ecx |
164 | serge | 797 | |
2434 | Serge | 798 | mov esi, [offset] |
799 | and esi, 0xfff |
||
800 | sub eax, esi |
||
801 | jbe .ret |
||
802 | cmp ecx, eax |
||
803 | jbe @f |
||
804 | mov ecx, eax |
||
805 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 806 | @@: |
2434 | Serge | 807 | add esi, [proc_mem_map] |
808 | mov edi, [buff] |
||
809 | mov edx, ecx |
||
810 | rep movsb |
||
811 | add [r_count], edx |
||
164 | serge | 812 | |
2434 | Serge | 813 | add [offset], edx |
814 | sub [tmp_r_cnt], edx |
||
815 | jnz .read_mem |
||
1314 | diamond | 816 | .ret: |
2434 | Serge | 817 | popad |
818 | mov eax, [r_count] |
||
819 | ret |
||
164 | serge | 820 | endp |
821 | |||
822 | align 4 |
||
823 | proc write_process_memory |
||
824 | ;Input: |
||
825 | ; eax - process slot |
||
1329 | Lrz | 826 | ; ecx - buffer address |
827 | ; edx - buffer size |
||
828 | ; esi - start address in other process |
||
164 | serge | 829 | ;Output: |
830 | ; eax - number of bytes written |
||
831 | |||
1074 | Galkov | 832 | locals |
833 | slot dd ? |
||
834 | buff dd ? |
||
835 | w_count dd ? |
||
836 | offset dd ? |
||
837 | tmp_w_cnt dd ? |
||
838 | endl |
||
164 | serge | 839 | |
2434 | Serge | 840 | mov [slot], eax |
841 | mov [buff], ecx |
||
842 | and [w_count], 0 |
||
843 | mov [tmp_w_cnt], edx |
||
844 | mov [offset], esi |
||
164 | serge | 845 | |
2434 | Serge | 846 | pushad |
164 | serge | 847 | .read_mem: |
2434 | Serge | 848 | mov edx, [offset] |
849 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 850 | |
2434 | Serge | 851 | mov ecx, 0x400000 |
852 | and edx, 0x3FFFFF |
||
853 | sub ecx, edx |
||
854 | cmp ecx, ebx |
||
855 | jbe @f |
||
856 | mov ecx, ebx |
||
164 | serge | 857 | @@: |
2434 | Serge | 858 | cmp ecx, 0x8000 |
859 | jna @F |
||
860 | mov ecx, 0x8000 |
||
164 | serge | 861 | @@: |
2434 | Serge | 862 | mov ebx, [offset] |
465 | serge | 863 | ; add ebx, new_app_base |
2434 | Serge | 864 | push ecx |
865 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 866 | [slot], ebx, ecx, PG_SWR |
2434 | Serge | 867 | pop ecx |
164 | serge | 868 | |
2434 | Serge | 869 | mov edi, [offset] |
870 | and edi, 0xfff |
||
871 | sub eax, edi |
||
872 | jbe .ret |
||
873 | cmp ecx, eax |
||
874 | jbe @f |
||
875 | mov ecx, eax |
||
876 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 877 | @@: |
2434 | Serge | 878 | add edi, [proc_mem_map] |
879 | mov esi, [buff] |
||
880 | mov edx, ecx |
||
881 | rep movsb |
||
164 | serge | 882 | |
2434 | Serge | 883 | add [w_count], edx |
884 | add [offset], edx |
||
885 | sub [tmp_w_cnt], edx |
||
886 | jnz .read_mem |
||
1314 | diamond | 887 | .ret: |
2434 | Serge | 888 | popad |
889 | mov eax, [w_count] |
||
890 | ret |
||
164 | serge | 891 | endp |
892 | |||
4265 | Serge | 893 | ;ebx = 1 - kernel thread |
894 | ;ecx=thread entry point |
||
895 | ;edx=thread stack pointer |
||
896 | ;creation flags 0x01 - debugged |
||
897 | ; 0x02 - kernel |
||
898 | |||
164 | serge | 899 | align 4 |
900 | proc new_sys_threads |
||
1074 | Galkov | 901 | locals |
902 | slot dd ? |
||
4265 | Serge | 903 | flags dd ? |
1074 | Galkov | 904 | app_cmdline dd ? ;0x00 |
905 | app_path dd ? ;0x04 |
||
906 | app_eip dd ? ;0x08 |
||
907 | app_esp dd ? ;0x0C |
||
908 | app_mem dd ? ;0x10 |
||
909 | endl |
||
164 | serge | 910 | |
4265 | Serge | 911 | shl ebx, 1 |
912 | mov [flags], ebx |
||
164 | serge | 913 | |
2434 | Serge | 914 | xor eax, eax |
915 | mov [app_eip], ecx |
||
916 | mov [app_cmdline], eax |
||
917 | mov [app_esp], edx |
||
918 | mov [app_path], eax |
||
4265 | Serge | 919 | |
3555 | Serge | 920 | call lock_application_table |
164 | serge | 921 | |
5201 | serge | 922 | call alloc_thread_slot |
2434 | Serge | 923 | test eax, eax |
924 | jz .failed |
||
164 | serge | 925 | |
2434 | Serge | 926 | mov [slot], eax |
164 | serge | 927 | |
2434 | Serge | 928 | mov esi, [current_slot] |
929 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 930 | |
2434 | Serge | 931 | mov edi, eax |
932 | shl edi, 8 |
||
933 | add edi, SLOT_BASE |
||
934 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
935 | mov ecx, 256/4 |
||
936 | xor eax, eax |
||
937 | cld |
||
938 | rep stosd ;clean extended information about new thread |
||
939 | mov esi, ebx |
||
940 | mov edi, edx |
||
941 | mov ecx, 11 |
||
942 | rep movsb ;copy process name |
||
164 | serge | 943 | |
5201 | serge | 944 | mov eax, [ebx+APPDATA.process] |
945 | mov [edx+APPDATA.process], eax |
||
164 | serge | 946 | |
5201 | serge | 947 | lea ebx, [edx+APPDATA.list] |
948 | lea ecx, [eax+PROC.thr_list] |
||
949 | list_add_tail ebx, ecx ;add thread to process child's list |
||
237 | serge | 950 | |
2434 | Serge | 951 | mov eax, [ebx+APPDATA.tls_base] |
952 | test eax, eax |
||
953 | jz @F |
||
1220 | serge | 954 | |
2434 | Serge | 955 | push edx |
956 | stdcall user_alloc, 4096 |
||
957 | pop edx |
||
958 | test eax, eax |
||
959 | jz .failed1;eax=0 |
||
1220 | serge | 960 | @@: |
2434 | Serge | 961 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 962 | |
2434 | Serge | 963 | lea eax, [app_cmdline] |
964 | stdcall set_app_params , [slot], eax, dword 0, \ |
||
4265 | Serge | 965 | dword 0, [flags] |
237 | serge | 966 | |
2434 | Serge | 967 | mov eax, [process_number] ;set result |
3555 | Serge | 968 | call unlock_application_table |
2434 | Serge | 969 | ret |
164 | serge | 970 | .failed: |
2434 | Serge | 971 | xor eax, eax |
1322 | Lrz | 972 | .failed1: |
3555 | Serge | 973 | call unlock_application_table |
2434 | Serge | 974 | dec eax ;-1 |
975 | ret |
||
164 | serge | 976 | endp |
977 | |||
978 | align 4 |
||
1220 | serge | 979 | tls_app_entry: |
980 | |||
2434 | Serge | 981 | call init_heap |
1220 | serge | 982 | stdcall user_alloc, 4096 |
983 | |||
2434 | Serge | 984 | mov edx, [current_slot] |
985 | mov [edx+APPDATA.tls_base], eax |
||
986 | mov [tls_data_l+2], ax |
||
987 | shr eax, 16 |
||
988 | mov [tls_data_l+4], al |
||
989 | mov [tls_data_l+7], ah |
||
990 | mov dx, app_tls |
||
991 | mov fs, dx |
||
1220 | serge | 992 | popad |
993 | iretd |
||
994 | |||
995 | |||
1074 | Galkov | 996 | EFL_IF equ 0x0200 |
465 | serge | 997 | EFL_IOPL1 equ 0x1000 |
998 | EFL_IOPL2 equ 0x2000 |
||
999 | EFL_IOPL3 equ 0x3000 |
||
1000 | |||
1001 | |||
237 | serge | 1002 | align 4 |
1003 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 1004 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 1005 | |
1074 | Galkov | 1006 | locals |
1007 | pl0_stack dd ? |
||
1008 | endl |
||
237 | serge | 1009 | |
2434 | Serge | 1010 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1011 | mov [pl0_stack], eax |
||
357 | serge | 1012 | |
2434 | Serge | 1013 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1014 | |
2434 | Serge | 1015 | mov eax, [slot] |
1016 | mov ebx, eax |
||
357 | serge | 1017 | |
2434 | Serge | 1018 | shl eax, 8 |
1019 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1020 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1021 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3500 | Serge | 1022 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
357 | serge | 1023 | |
465 | serge | 1024 | ;set default io permission map |
2434 | Serge | 1025 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1026 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1027 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1028 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1029 | |
2434 | Serge | 1030 | mov esi, fpu_data |
1031 | mov ecx, 512/4 |
||
1032 | rep movsd |
||
237 | serge | 1033 | |
2434 | Serge | 1034 | cmp ebx, [TASK_COUNT] |
1035 | jle .noinc |
||
1036 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1037 | .noinc: |
2434 | Serge | 1038 | shl ebx, 8 |
1039 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1040 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1041 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 1042 | |
2434 | Serge | 1043 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1044 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1045 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 1046 | |
2434 | Serge | 1047 | mov ecx, [def_cursor] |
1048 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1049 | mov eax, [pl0_stack] |
||
1050 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1051 | add eax, RING0_STACK_SIZE |
||
1052 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1053 | |
2434 | Serge | 1054 | push ebx |
1055 | stdcall kernel_alloc, 0x1000 |
||
1056 | pop ebx |
||
1057 | mov esi, [current_slot] |
||
1058 | mov esi, [esi+APPDATA.cur_dir] |
||
1059 | mov ecx, 0x1000/4 |
||
1060 | mov edi, eax |
||
1061 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1062 | rep movsd |
||
521 | diamond | 1063 | |
2434 | Serge | 1064 | shr ebx, 3 |
1065 | mov eax, new_app_base |
||
1066 | mov dword [CURRENT_TASK+ebx+0x10], eax |
||
237 | serge | 1067 | |
1068 | .add_command_line: |
||
2434 | Serge | 1069 | mov edx, [params] |
1070 | mov edx, [edx] ;app_cmdline |
||
1071 | test edx, edx |
||
1072 | jz @f ;application doesn't need parameters |
||
281 | serge | 1073 | |
2434 | Serge | 1074 | mov eax, edx |
1075 | add eax, 256 |
||
1076 | jc @f |
||
281 | serge | 1077 | |
5201 | serge | 1078 | ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1079 | ; ja @f |
||
281 | serge | 1080 | |
3908 | Serge | 1081 | mov eax, [cmd_line] |
1082 | |||
1083 | cmp [edx], dword 0xffffffff ; extended destination tag |
||
1084 | jne .no_ext_dest |
||
1085 | |||
1086 | mov edx, [edx+4] ; extended destination for cmdline |
||
1087 | jmp .continue |
||
1088 | |||
1089 | .no_ext_dest: |
||
1090 | mov [eax-12], dword 255 |
||
1091 | .continue: |
||
2434 | Serge | 1092 | mov byte [edx], 0 ;force empty string if no cmdline given |
3908 | Serge | 1093 | |
2434 | Serge | 1094 | test eax, eax |
1095 | jz @f |
||
3908 | Serge | 1096 | ;-------------------------------------- |
1097 | cmp [eax-4], dword 0xffffffff ; cmdline_flag |
||
1098 | jne .old_copy |
||
1099 | |||
1100 | push eax |
||
1101 | stdcall strncpy, edx, [eax-8], [eax-12] |
||
1102 | pop eax |
||
1103 | |||
1104 | stdcall kernel_free, [eax-8] |
||
1105 | jmp @f |
||
1106 | |||
1107 | .old_copy: |
||
1108 | ;-------------------------------------- |
||
2434 | Serge | 1109 | stdcall strncpy, edx, eax, 256 |
237 | serge | 1110 | @@: |
2434 | Serge | 1111 | mov edx, [params] |
1112 | mov edx, [edx+4];app_path |
||
1113 | test edx, edx |
||
1114 | jz @F ;application don't need path of file |
||
1115 | mov eax, edx |
||
1116 | add eax, 1024 |
||
1117 | jc @f |
||
5201 | serge | 1118 | ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1119 | ; ja @f |
||
2434 | Serge | 1120 | stdcall strncpy, edx, [app_path], 1024 |
237 | serge | 1121 | @@: |
2434 | Serge | 1122 | mov ebx, [slot] |
1123 | mov eax, ebx |
||
1124 | shl ebx, 5 |
||
1125 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 1126 | |
2434 | Serge | 1127 | mov edx, irq0.return |
1128 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1129 | jne @F |
||
1130 | mov edx, tls_app_entry |
||
1220 | serge | 1131 | @@: |
237 | serge | 1132 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2434 | Serge | 1133 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1134 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1135 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1136 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 1137 | |
2434 | Serge | 1138 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 1139 | |
2434 | Serge | 1140 | inc dword [process_number] |
1141 | mov eax, [process_number] |
||
1142 | mov [ebx+4], eax ;set PID |
||
237 | serge | 1143 | |
1144 | ;set draw data to full screen |
||
2434 | Serge | 1145 | xor eax, eax |
1146 | mov [ecx+0], dword eax |
||
1147 | mov [ecx+4], dword eax |
||
5565 | serge | 1148 | mov eax, [screen_workarea.right] |
2434 | Serge | 1149 | mov [ecx+8], eax |
5565 | serge | 1150 | mov eax, [screen_workarea.bottom] |
2434 | Serge | 1151 | mov [ecx+12], eax |
237 | serge | 1152 | |
2434 | Serge | 1153 | mov ebx, [pl0_stack] |
1154 | mov esi, [params] |
||
1155 | lea ecx, [ebx+REG_EIP] |
||
1156 | xor eax, eax |
||
237 | serge | 1157 | |
2434 | Serge | 1158 | mov [ebx+REG_RET], edx |
1159 | mov [ebx+REG_EDI], eax |
||
1160 | mov [ebx+REG_ESI], eax |
||
1161 | mov [ebx+REG_EBP], eax |
||
1162 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1163 | mov [ebx+REG_EBX], eax |
||
1164 | mov [ebx+REG_EDX], eax |
||
1165 | mov [ebx+REG_ECX], eax |
||
1166 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1167 | |
2434 | Serge | 1168 | mov eax, [esi+0x08] ;app_eip |
4423 | Serge | 1169 | mov [ebx+REG_EIP], eax ;app_entry |
2434 | Serge | 1170 | mov [ebx+REG_CS], dword app_code |
3555 | Serge | 1171 | mov ecx, USER_PRIORITY |
4265 | Serge | 1172 | |
1173 | test byte [flags], 2 |
||
1174 | jz @F |
||
1175 | |||
3500 | Serge | 1176 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3555 | Serge | 1177 | mov ecx, MAX_PRIORITY |
4265 | Serge | 1178 | |
3500 | Serge | 1179 | @@: |
2434 | Serge | 1180 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
465 | serge | 1181 | |
2434 | Serge | 1182 | mov eax, [esi+0x0C] ;app_esp |
1183 | mov [ebx+REG_APP_ESP], eax;app_stack |
||
1184 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1185 | |
3555 | Serge | 1186 | lea edx, [ebx+REG_RET] |
2434 | Serge | 1187 | mov ebx, [slot] |
1188 | shl ebx, 5 |
||
3555 | Serge | 1189 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
237 | serge | 1190 | |
3555 | Serge | 1191 | xor edx, edx; process state - running |
237 | serge | 1192 | ; set if debuggee |
2434 | Serge | 1193 | test byte [flags], 1 |
1194 | jz .no_debug |
||
3555 | Serge | 1195 | inc edx ; process state - suspended |
2434 | Serge | 1196 | mov eax, [CURRENT_TASK] |
1197 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1198 | .no_debug: |
3555 | Serge | 1199 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1200 | lea edx, [SLOT_BASE+ebx*8] |
||
1201 | call scheduler_add_thread |
||
2434 | Serge | 1202 | ret |
237 | serge | 1203 | endp |
1204 | |||
2010 | serge | 1205 | |
1206 | align 4 |
||
1207 | |||
1208 | get_stack_base: |
||
2434 | Serge | 1209 | mov eax, [current_slot] |
1210 | mov eax, [eax+APPDATA.pl0_stack] |
||
1211 | ret |
||
2010 | serge | 1212 | |
1213 | |||
164 | serge | 1214 | include "debug.inc"> |