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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: 5594 $ |
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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5201 | serge | 472 | mov [process], eax |
164 | serge | 473 | |
5201 | serge | 474 | lea edi, [eax+PROC.heap_lock] |
5577 | serge | 475 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5201 | serge | 476 | |
477 | list_init eax |
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478 | add eax, PROC.thr_list |
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479 | list_init eax |
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480 | |||
2434 | Serge | 481 | xor eax, eax |
482 | cld |
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483 | rep stosd |
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465 | serge | 484 | |
5577 | serge | 485 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
486 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5201 | serge | 487 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5577 | serge | 488 | add edi, 8 |
489 | inc eax |
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5201 | serge | 490 | @@: |
491 | stosd |
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492 | inc eax |
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493 | cmp eax, ecx |
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494 | jbe @B |
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495 | |||
496 | mov eax, edi |
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497 | call get_pg_addr |
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498 | mov [edi-4096+PROC.pdt_0_phys], eax |
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499 | |||
2434 | Serge | 500 | mov ecx, (OS_BASE shr 20)/4 |
5201 | serge | 501 | xor eax, eax |
502 | rep stosd |
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503 | |||
504 | mov ecx, (OS_BASE shr 20)/4 |
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505 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2434 | Serge | 506 | rep movsd |
164 | serge | 507 | |
5201 | serge | 508 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5565 | serge | 509 | or eax, PG_SWR |
2434 | Serge | 510 | mov [edi-4096+(page_tabs shr 20)], eax |
378 | serge | 511 | |
5201 | serge | 512 | lea eax, [edi-8192] |
2434 | Serge | 513 | call set_cr3 |
164 | serge | 514 | |
5565 | serge | 515 | mov edx, [app_tabs] |
5201 | serge | 516 | xor edi, edi |
164 | serge | 517 | @@: |
2434 | Serge | 518 | call alloc_page |
519 | test eax, eax |
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520 | jz .fail |
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164 | serge | 521 | |
2434 | Serge | 522 | stdcall map_page_table, edi, eax |
523 | add edi, 0x00400000 |
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5565 | serge | 524 | dec edx |
525 | jnz @B |
||
164 | serge | 526 | |
5201 | serge | 527 | mov edi, page_tabs |
269 | serge | 528 | |
2434 | Serge | 529 | mov ecx, [app_tabs] |
530 | shl ecx, 10 |
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531 | xor eax, eax |
||
532 | rep stosd |
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164 | serge | 533 | |
5565 | serge | 534 | mov ecx, [img_pages] |
535 | mov ebx, PG_UWR |
||
5201 | serge | 536 | xor edx, edx |
2434 | Serge | 537 | mov esi, [img_base] |
538 | shr esi, 10 |
||
539 | add esi, page_tabs |
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5201 | serge | 540 | mov edi, page_tabs |
269 | serge | 541 | .remap: |
2434 | Serge | 542 | lodsd |
4423 | Serge | 543 | and eax, 0xFFFFF000 |
2434 | Serge | 544 | or eax, ebx; force user level r/w access |
545 | stosd |
||
546 | add edx, 0x1000 |
||
5565 | serge | 547 | dec [app_pages] |
548 | dec ecx |
||
549 | jnz .remap |
||
550 | |||
551 | mov ecx, [app_pages] |
||
552 | test ecx, ecx |
||
2434 | Serge | 553 | jz .done |
269 | serge | 554 | |
5565 | serge | 555 | .alloc: |
2434 | Serge | 556 | call alloc_page |
557 | test eax, eax |
||
558 | jz .fail |
||
164 | serge | 559 | |
5565 | serge | 560 | stdcall map_page, edx, eax, dword PG_UWR |
2434 | Serge | 561 | add edx, 0x1000 |
5565 | serge | 562 | dec [app_pages] |
563 | jnz .alloc |
||
164 | serge | 564 | |
269 | serge | 565 | .done: |
2434 | Serge | 566 | mov ecx, pg_data.mutex |
567 | call mutex_unlock |
||
5201 | serge | 568 | mov eax, [process] |
569 | |||
570 | pop edi |
||
571 | pop esi |
||
572 | pop ebx |
||
2434 | Serge | 573 | ret |
164 | serge | 574 | .fail: |
2434 | Serge | 575 | mov ecx, pg_data.mutex |
576 | call mutex_unlock |
||
5201 | serge | 577 | cmp [process], 0 |
2434 | Serge | 578 | je @f |
5201 | serge | 579 | ;; stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 580 | @@: |
2434 | Serge | 581 | xor eax, eax |
5201 | serge | 582 | pop edi |
583 | pop esi |
||
584 | pop ebx |
||
2434 | Serge | 585 | ret |
164 | serge | 586 | endp |
587 | |||
588 | align 4 |
||
589 | set_cr3: |
||
5201 | serge | 590 | pushfd |
591 | cli |
||
2434 | Serge | 592 | mov ebx, [current_slot] |
5201 | serge | 593 | mov [current_process], eax |
594 | mov [ebx+APPDATA.process], eax |
||
595 | mov eax, [eax+PROC.pdt_0_phys] |
||
2434 | Serge | 596 | mov cr3, eax |
5201 | serge | 597 | popfd |
2434 | Serge | 598 | ret |
164 | serge | 599 | |
600 | align 4 |
||
601 | proc destroy_page_table stdcall, pg_tab:dword |
||
602 | |||
2434 | Serge | 603 | push esi |
164 | serge | 604 | |
2434 | Serge | 605 | mov esi, [pg_tab] |
606 | mov ecx, 1024 |
||
164 | serge | 607 | .free: |
2434 | Serge | 608 | mov eax, [esi] |
609 | test eax, 1 |
||
610 | jz .next |
||
5201 | serge | 611 | test eax, 2 |
612 | jz .next |
||
2434 | Serge | 613 | test eax, 1 shl 9 |
614 | jnz .next ;skip shared pages |
||
615 | call free_page |
||
164 | serge | 616 | .next: |
2434 | Serge | 617 | add esi, 4 |
618 | dec ecx |
||
619 | jnz .free |
||
620 | pop esi |
||
621 | ret |
||
164 | serge | 622 | endp |
623 | |||
624 | align 4 |
||
5201 | serge | 625 | destroy_process: ;fastcall ecx= ptr to process |
164 | serge | 626 | |
5201 | serge | 627 | lea eax, [ecx+PROC.thr_list] |
628 | cmp eax, [eax+LHEAD.next] |
||
629 | jne .exit |
||
164 | serge | 630 | |
5201 | serge | 631 | align 4 |
632 | .internal: |
||
633 | push ecx |
||
164 | serge | 634 | |
5201 | serge | 635 | mov esi, [ecx+PROC.dlls_list_ptr] |
636 | call destroy_all_hdlls |
||
1311 | diamond | 637 | |
5201 | serge | 638 | ; mov ecx, pg_data.mutex |
639 | ; call mutex_lock |
||
640 | |||
641 | mov esi, [esp] |
||
642 | add esi, PROC.pdt_0 |
||
643 | mov edi, (0x80000000 shr 20)/4 |
||
164 | serge | 644 | .destroy: |
2434 | Serge | 645 | mov eax, [esi] |
646 | test eax, 1 |
||
647 | jz .next |
||
648 | and eax, not 0xFFF |
||
5565 | serge | 649 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2434 | Serge | 650 | stdcall destroy_page_table, [tmp_task_ptab] |
651 | mov eax, [esi] |
||
652 | call free_page |
||
164 | serge | 653 | .next: |
2434 | Serge | 654 | add esi, 4 |
655 | dec edi |
||
656 | jnz .destroy |
||
164 | serge | 657 | |
5201 | serge | 658 | call kernel_free ;ecx still in stack |
659 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
||
660 | ; mov ecx, pg_data.mutex |
||
661 | ; call mutex_unlock |
||
662 | |||
164 | serge | 663 | .exit: |
2434 | Serge | 664 | ret |
164 | serge | 665 | |
520 | serge | 666 | align 4 |
667 | get_pid: |
||
2434 | Serge | 668 | mov eax, [TASK_BASE] |
669 | mov eax, [eax+TASKDATA.pid] |
||
670 | ret |
||
520 | serge | 671 | |
164 | serge | 672 | pid_to_slot: |
673 | ;Input: |
||
674 | ; eax - pid of process |
||
675 | ;Output: |
||
676 | ; eax - slot of process or 0 if process don't exists |
||
677 | ;Search process by PID. |
||
2434 | Serge | 678 | push ebx |
679 | push ecx |
||
680 | mov ebx, [TASK_COUNT] |
||
681 | shl ebx, 5 |
||
682 | mov ecx, 2*32 |
||
164 | serge | 683 | |
684 | .loop: |
||
685 | ;ecx=offset of current process info entry |
||
686 | ;ebx=maximum permitted offset |
||
2434 | Serge | 687 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
688 | jz .endloop ;skip empty slots |
||
689 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
690 | jz .pid_found |
||
164 | serge | 691 | .endloop: |
2434 | Serge | 692 | add ecx, 32 |
693 | cmp ecx, ebx |
||
694 | jle .loop |
||
164 | serge | 695 | |
2434 | Serge | 696 | pop ecx |
697 | pop ebx |
||
698 | xor eax, eax |
||
699 | ret |
||
164 | serge | 700 | |
701 | .pid_found: |
||
2434 | Serge | 702 | shr ecx, 5 |
703 | mov eax, ecx ;convert offset to index of slot |
||
704 | pop ecx |
||
705 | pop ebx |
||
706 | ret |
||
164 | serge | 707 | |
708 | check_region: |
||
709 | ;input: |
||
1329 | Lrz | 710 | ; esi - start of buffer |
711 | ; edx - size of buffer |
||
164 | serge | 712 | ;result: |
713 | ; eax = 1 region lays in app memory |
||
714 | ; eax = 0 region don't lays in app memory |
||
5201 | serge | 715 | |
716 | mov eax, 1 |
||
717 | ret |
||
718 | if 0 |
||
2434 | Serge | 719 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 720 | ; jmp check_process_region |
164 | serge | 721 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 722 | ;check_process_region: |
164 | serge | 723 | ;input: |
724 | ; eax - slot |
||
1329 | Lrz | 725 | ; esi - start of buffer |
726 | ; edx - size of buffer |
||
164 | serge | 727 | ;result: |
728 | ; eax = 1 region lays in app memory |
||
729 | ; eax = 0 region don't lays in app memory |
||
730 | |||
2434 | Serge | 731 | test edx, edx |
732 | jle .ok |
||
733 | shl eax, 5 |
||
734 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
735 | jnz .failed |
||
736 | shl eax, 3 |
||
737 | mov eax, [SLOT_BASE+eax+0xb8] |
||
738 | test eax, eax |
||
739 | jz .failed |
||
164 | serge | 740 | |
2434 | Serge | 741 | mov eax, 1 |
742 | ret |
||
164 | serge | 743 | .ok: |
2434 | Serge | 744 | mov eax, 1 |
745 | ret |
||
164 | serge | 746 | .failed: |
2434 | Serge | 747 | xor eax, eax |
748 | ret |
||
5201 | serge | 749 | end if |
164 | serge | 750 | |
751 | align 4 |
||
752 | proc read_process_memory |
||
753 | ;Input: |
||
754 | ; eax - process slot |
||
1329 | Lrz | 755 | ; ecx - buffer address |
756 | ; edx - buffer size |
||
757 | ; esi - start address in other process |
||
164 | serge | 758 | ;Output: |
759 | ; eax - number of bytes read. |
||
1074 | Galkov | 760 | locals |
761 | slot dd ? |
||
762 | buff dd ? |
||
763 | r_count dd ? |
||
764 | offset dd ? |
||
765 | tmp_r_cnt dd ? |
||
766 | endl |
||
164 | serge | 767 | |
2434 | Serge | 768 | mov [slot], eax |
769 | mov [buff], ecx |
||
770 | and [r_count], 0 |
||
771 | mov [tmp_r_cnt], edx |
||
772 | mov [offset], esi |
||
164 | serge | 773 | |
2434 | Serge | 774 | pushad |
164 | serge | 775 | .read_mem: |
2434 | Serge | 776 | mov edx, [offset] |
777 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 778 | |
2434 | Serge | 779 | mov ecx, 0x400000 |
780 | and edx, 0x3FFFFF |
||
781 | sub ecx, edx |
||
782 | cmp ecx, ebx |
||
783 | jbe @f |
||
784 | mov ecx, ebx |
||
164 | serge | 785 | @@: |
2434 | Serge | 786 | cmp ecx, 0x8000 |
787 | jna @F |
||
788 | mov ecx, 0x8000 |
||
164 | serge | 789 | @@: |
2434 | Serge | 790 | mov ebx, [offset] |
1220 | serge | 791 | |
2434 | Serge | 792 | push ecx |
793 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 794 | [slot], ebx, ecx, PG_READ |
2434 | Serge | 795 | pop ecx |
164 | serge | 796 | |
2434 | Serge | 797 | mov esi, [offset] |
798 | and esi, 0xfff |
||
799 | sub eax, esi |
||
800 | jbe .ret |
||
801 | cmp ecx, eax |
||
802 | jbe @f |
||
803 | mov ecx, eax |
||
804 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 805 | @@: |
2434 | Serge | 806 | add esi, [proc_mem_map] |
807 | mov edi, [buff] |
||
808 | mov edx, ecx |
||
809 | rep movsb |
||
810 | add [r_count], edx |
||
164 | serge | 811 | |
2434 | Serge | 812 | add [offset], edx |
813 | sub [tmp_r_cnt], edx |
||
814 | jnz .read_mem |
||
1314 | diamond | 815 | .ret: |
2434 | Serge | 816 | popad |
817 | mov eax, [r_count] |
||
818 | ret |
||
164 | serge | 819 | endp |
820 | |||
821 | align 4 |
||
822 | proc write_process_memory |
||
823 | ;Input: |
||
824 | ; eax - process slot |
||
1329 | Lrz | 825 | ; ecx - buffer address |
826 | ; edx - buffer size |
||
827 | ; esi - start address in other process |
||
164 | serge | 828 | ;Output: |
829 | ; eax - number of bytes written |
||
830 | |||
1074 | Galkov | 831 | locals |
832 | slot dd ? |
||
833 | buff dd ? |
||
834 | w_count dd ? |
||
835 | offset dd ? |
||
836 | tmp_w_cnt dd ? |
||
837 | endl |
||
164 | serge | 838 | |
2434 | Serge | 839 | mov [slot], eax |
840 | mov [buff], ecx |
||
841 | and [w_count], 0 |
||
842 | mov [tmp_w_cnt], edx |
||
843 | mov [offset], esi |
||
164 | serge | 844 | |
2434 | Serge | 845 | pushad |
164 | serge | 846 | .read_mem: |
2434 | Serge | 847 | mov edx, [offset] |
848 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 849 | |
2434 | Serge | 850 | mov ecx, 0x400000 |
851 | and edx, 0x3FFFFF |
||
852 | sub ecx, edx |
||
853 | cmp ecx, ebx |
||
854 | jbe @f |
||
855 | mov ecx, ebx |
||
164 | serge | 856 | @@: |
2434 | Serge | 857 | cmp ecx, 0x8000 |
858 | jna @F |
||
859 | mov ecx, 0x8000 |
||
164 | serge | 860 | @@: |
2434 | Serge | 861 | mov ebx, [offset] |
465 | serge | 862 | ; add ebx, new_app_base |
2434 | Serge | 863 | push ecx |
864 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 865 | [slot], ebx, ecx, PG_SWR |
2434 | Serge | 866 | pop ecx |
164 | serge | 867 | |
2434 | Serge | 868 | mov edi, [offset] |
869 | and edi, 0xfff |
||
870 | sub eax, edi |
||
871 | jbe .ret |
||
872 | cmp ecx, eax |
||
873 | jbe @f |
||
874 | mov ecx, eax |
||
875 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 876 | @@: |
2434 | Serge | 877 | add edi, [proc_mem_map] |
878 | mov esi, [buff] |
||
879 | mov edx, ecx |
||
880 | rep movsb |
||
164 | serge | 881 | |
2434 | Serge | 882 | add [w_count], edx |
883 | add [offset], edx |
||
884 | sub [tmp_w_cnt], edx |
||
885 | jnz .read_mem |
||
1314 | diamond | 886 | .ret: |
2434 | Serge | 887 | popad |
888 | mov eax, [w_count] |
||
889 | ret |
||
164 | serge | 890 | endp |
891 | |||
4265 | Serge | 892 | ;ebx = 1 - kernel thread |
893 | ;ecx=thread entry point |
||
894 | ;edx=thread stack pointer |
||
895 | ;creation flags 0x01 - debugged |
||
896 | ; 0x02 - kernel |
||
897 | |||
164 | serge | 898 | align 4 |
899 | proc new_sys_threads |
||
1074 | Galkov | 900 | locals |
901 | slot dd ? |
||
4265 | Serge | 902 | flags dd ? |
1074 | Galkov | 903 | app_cmdline dd ? ;0x00 |
904 | app_path dd ? ;0x04 |
||
905 | app_eip dd ? ;0x08 |
||
906 | app_esp dd ? ;0x0C |
||
907 | app_mem dd ? ;0x10 |
||
908 | endl |
||
164 | serge | 909 | |
4265 | Serge | 910 | shl ebx, 1 |
911 | mov [flags], ebx |
||
164 | serge | 912 | |
2434 | Serge | 913 | xor eax, eax |
914 | mov [app_eip], ecx |
||
915 | mov [app_cmdline], eax |
||
916 | mov [app_esp], edx |
||
917 | mov [app_path], eax |
||
4265 | Serge | 918 | |
3555 | Serge | 919 | call lock_application_table |
164 | serge | 920 | |
5201 | serge | 921 | call alloc_thread_slot |
2434 | Serge | 922 | test eax, eax |
923 | jz .failed |
||
164 | serge | 924 | |
2434 | Serge | 925 | mov [slot], eax |
164 | serge | 926 | |
2434 | Serge | 927 | mov esi, [current_slot] |
928 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 929 | |
2434 | Serge | 930 | mov edi, eax |
931 | shl edi, 8 |
||
932 | add edi, SLOT_BASE |
||
933 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
934 | mov ecx, 256/4 |
||
935 | xor eax, eax |
||
936 | cld |
||
937 | rep stosd ;clean extended information about new thread |
||
938 | mov esi, ebx |
||
939 | mov edi, edx |
||
940 | mov ecx, 11 |
||
941 | rep movsb ;copy process name |
||
164 | serge | 942 | |
5201 | serge | 943 | mov eax, [ebx+APPDATA.process] |
944 | mov [edx+APPDATA.process], eax |
||
164 | serge | 945 | |
5201 | serge | 946 | lea ebx, [edx+APPDATA.list] |
947 | lea ecx, [eax+PROC.thr_list] |
||
948 | list_add_tail ebx, ecx ;add thread to process child's list |
||
237 | serge | 949 | |
2434 | Serge | 950 | mov eax, [ebx+APPDATA.tls_base] |
951 | test eax, eax |
||
952 | jz @F |
||
1220 | serge | 953 | |
2434 | Serge | 954 | push edx |
955 | stdcall user_alloc, 4096 |
||
956 | pop edx |
||
957 | test eax, eax |
||
958 | jz .failed1;eax=0 |
||
1220 | serge | 959 | @@: |
2434 | Serge | 960 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 961 | |
2434 | Serge | 962 | lea eax, [app_cmdline] |
963 | stdcall set_app_params , [slot], eax, dword 0, \ |
||
4265 | Serge | 964 | dword 0, [flags] |
237 | serge | 965 | |
2434 | Serge | 966 | mov eax, [process_number] ;set result |
3555 | Serge | 967 | call unlock_application_table |
2434 | Serge | 968 | ret |
164 | serge | 969 | .failed: |
2434 | Serge | 970 | xor eax, eax |
1322 | Lrz | 971 | .failed1: |
3555 | Serge | 972 | call unlock_application_table |
2434 | Serge | 973 | dec eax ;-1 |
974 | ret |
||
164 | serge | 975 | endp |
976 | |||
977 | align 4 |
||
1220 | serge | 978 | tls_app_entry: |
979 | |||
2434 | Serge | 980 | call init_heap |
1220 | serge | 981 | stdcall user_alloc, 4096 |
982 | |||
2434 | Serge | 983 | mov edx, [current_slot] |
984 | mov [edx+APPDATA.tls_base], eax |
||
985 | mov [tls_data_l+2], ax |
||
986 | shr eax, 16 |
||
987 | mov [tls_data_l+4], al |
||
988 | mov [tls_data_l+7], ah |
||
989 | mov dx, app_tls |
||
990 | mov fs, dx |
||
1220 | serge | 991 | popad |
992 | iretd |
||
993 | |||
994 | |||
1074 | Galkov | 995 | EFL_IF equ 0x0200 |
465 | serge | 996 | EFL_IOPL1 equ 0x1000 |
997 | EFL_IOPL2 equ 0x2000 |
||
998 | EFL_IOPL3 equ 0x3000 |
||
999 | |||
1000 | |||
237 | serge | 1001 | align 4 |
1002 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 1003 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 1004 | |
1074 | Galkov | 1005 | locals |
1006 | pl0_stack dd ? |
||
1007 | endl |
||
237 | serge | 1008 | |
2434 | Serge | 1009 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1010 | mov [pl0_stack], eax |
||
357 | serge | 1011 | |
2434 | Serge | 1012 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1013 | |
2434 | Serge | 1014 | mov eax, [slot] |
1015 | mov ebx, eax |
||
357 | serge | 1016 | |
2434 | Serge | 1017 | shl eax, 8 |
1018 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1019 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1020 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3500 | Serge | 1021 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
357 | serge | 1022 | |
465 | serge | 1023 | ;set default io permission map |
2434 | Serge | 1024 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1025 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1026 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1027 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1028 | |
2434 | Serge | 1029 | mov esi, fpu_data |
1030 | mov ecx, 512/4 |
||
1031 | rep movsd |
||
237 | serge | 1032 | |
2434 | Serge | 1033 | cmp ebx, [TASK_COUNT] |
1034 | jle .noinc |
||
1035 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1036 | .noinc: |
2434 | Serge | 1037 | shl ebx, 8 |
1038 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1039 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1040 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 1041 | |
2434 | Serge | 1042 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1043 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1044 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 1045 | |
2434 | Serge | 1046 | mov ecx, [def_cursor] |
1047 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1048 | mov eax, [pl0_stack] |
||
1049 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1050 | add eax, RING0_STACK_SIZE |
||
1051 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1052 | |
2434 | Serge | 1053 | push ebx |
1054 | stdcall kernel_alloc, 0x1000 |
||
1055 | pop ebx |
||
1056 | mov esi, [current_slot] |
||
1057 | mov esi, [esi+APPDATA.cur_dir] |
||
1058 | mov ecx, 0x1000/4 |
||
1059 | mov edi, eax |
||
1060 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1061 | rep movsd |
||
521 | diamond | 1062 | |
2434 | Serge | 1063 | shr ebx, 3 |
1064 | mov eax, new_app_base |
||
1065 | mov dword [CURRENT_TASK+ebx+0x10], eax |
||
237 | serge | 1066 | |
1067 | .add_command_line: |
||
2434 | Serge | 1068 | mov edx, [params] |
1069 | mov edx, [edx] ;app_cmdline |
||
1070 | test edx, edx |
||
1071 | jz @f ;application doesn't need parameters |
||
281 | serge | 1072 | |
2434 | Serge | 1073 | mov eax, edx |
1074 | add eax, 256 |
||
1075 | jc @f |
||
281 | serge | 1076 | |
5201 | serge | 1077 | ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1078 | ; ja @f |
||
281 | serge | 1079 | |
3908 | Serge | 1080 | mov eax, [cmd_line] |
1081 | |||
1082 | cmp [edx], dword 0xffffffff ; extended destination tag |
||
1083 | jne .no_ext_dest |
||
1084 | |||
1085 | mov edx, [edx+4] ; extended destination for cmdline |
||
1086 | jmp .continue |
||
1087 | |||
1088 | .no_ext_dest: |
||
1089 | mov [eax-12], dword 255 |
||
1090 | .continue: |
||
2434 | Serge | 1091 | mov byte [edx], 0 ;force empty string if no cmdline given |
3908 | Serge | 1092 | |
2434 | Serge | 1093 | test eax, eax |
1094 | jz @f |
||
3908 | Serge | 1095 | ;-------------------------------------- |
1096 | cmp [eax-4], dword 0xffffffff ; cmdline_flag |
||
1097 | jne .old_copy |
||
1098 | |||
1099 | push eax |
||
1100 | stdcall strncpy, edx, [eax-8], [eax-12] |
||
1101 | pop eax |
||
1102 | |||
1103 | stdcall kernel_free, [eax-8] |
||
1104 | jmp @f |
||
1105 | |||
1106 | .old_copy: |
||
1107 | ;-------------------------------------- |
||
2434 | Serge | 1108 | stdcall strncpy, edx, eax, 256 |
237 | serge | 1109 | @@: |
2434 | Serge | 1110 | mov edx, [params] |
1111 | mov edx, [edx+4];app_path |
||
1112 | test edx, edx |
||
1113 | jz @F ;application don't need path of file |
||
1114 | mov eax, edx |
||
1115 | add eax, 1024 |
||
1116 | jc @f |
||
5201 | serge | 1117 | ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1118 | ; ja @f |
||
2434 | Serge | 1119 | stdcall strncpy, edx, [app_path], 1024 |
237 | serge | 1120 | @@: |
2434 | Serge | 1121 | mov ebx, [slot] |
1122 | mov eax, ebx |
||
1123 | shl ebx, 5 |
||
1124 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 1125 | |
2434 | Serge | 1126 | mov edx, irq0.return |
1127 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1128 | jne @F |
||
1129 | mov edx, tls_app_entry |
||
1220 | serge | 1130 | @@: |
237 | serge | 1131 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2434 | Serge | 1132 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1133 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1134 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1135 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 1136 | |
2434 | Serge | 1137 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 1138 | |
2434 | Serge | 1139 | inc dword [process_number] |
1140 | mov eax, [process_number] |
||
1141 | mov [ebx+4], eax ;set PID |
||
237 | serge | 1142 | |
1143 | ;set draw data to full screen |
||
2434 | Serge | 1144 | xor eax, eax |
1145 | mov [ecx+0], dword eax |
||
1146 | mov [ecx+4], dword eax |
||
5565 | serge | 1147 | mov eax, [screen_workarea.right] |
2434 | Serge | 1148 | mov [ecx+8], eax |
5565 | serge | 1149 | mov eax, [screen_workarea.bottom] |
2434 | Serge | 1150 | mov [ecx+12], eax |
237 | serge | 1151 | |
2434 | Serge | 1152 | mov ebx, [pl0_stack] |
1153 | mov esi, [params] |
||
1154 | lea ecx, [ebx+REG_EIP] |
||
1155 | xor eax, eax |
||
237 | serge | 1156 | |
2434 | Serge | 1157 | mov [ebx+REG_RET], edx |
1158 | mov [ebx+REG_EDI], eax |
||
1159 | mov [ebx+REG_ESI], eax |
||
1160 | mov [ebx+REG_EBP], eax |
||
1161 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1162 | mov [ebx+REG_EBX], eax |
||
1163 | mov [ebx+REG_EDX], eax |
||
1164 | mov [ebx+REG_ECX], eax |
||
1165 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1166 | |
2434 | Serge | 1167 | mov eax, [esi+0x08] ;app_eip |
4423 | Serge | 1168 | mov [ebx+REG_EIP], eax ;app_entry |
2434 | Serge | 1169 | mov [ebx+REG_CS], dword app_code |
3555 | Serge | 1170 | mov ecx, USER_PRIORITY |
4265 | Serge | 1171 | |
1172 | test byte [flags], 2 |
||
1173 | jz @F |
||
1174 | |||
3500 | Serge | 1175 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3555 | Serge | 1176 | mov ecx, MAX_PRIORITY |
4265 | Serge | 1177 | |
3500 | Serge | 1178 | @@: |
2434 | Serge | 1179 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
465 | serge | 1180 | |
2434 | Serge | 1181 | mov eax, [esi+0x0C] ;app_esp |
1182 | mov [ebx+REG_APP_ESP], eax;app_stack |
||
1183 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1184 | |
3555 | Serge | 1185 | lea edx, [ebx+REG_RET] |
2434 | Serge | 1186 | mov ebx, [slot] |
1187 | shl ebx, 5 |
||
3555 | Serge | 1188 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
237 | serge | 1189 | |
3555 | Serge | 1190 | xor edx, edx; process state - running |
237 | serge | 1191 | ; set if debuggee |
2434 | Serge | 1192 | test byte [flags], 1 |
1193 | jz .no_debug |
||
3555 | Serge | 1194 | inc edx ; process state - suspended |
2434 | Serge | 1195 | mov eax, [CURRENT_TASK] |
1196 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1197 | .no_debug: |
3555 | Serge | 1198 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1199 | lea edx, [SLOT_BASE+ebx*8] |
||
1200 | call scheduler_add_thread |
||
2434 | Serge | 1201 | ret |
237 | serge | 1202 | endp |
1203 | |||
2010 | serge | 1204 | |
1205 | align 4 |
||
1206 | |||
1207 | get_stack_base: |
||
2434 | Serge | 1208 | mov eax, [current_slot] |
1209 | mov eax, [eax+APPDATA.pl0_stack] |
||
1210 | ret |
||
2010 | serge | 1211 | |
1212 | |||
164 | serge | 1213 | include "debug.inc"> |