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