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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2540 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
2540 | hidnplayr | 8 | $Revision $ |
593 | mikedld | 9 | |
2540 | hidnplayr | 10 | |
11 | GREEDY_KERNEL equ 0 |
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12 | |||
13 | struct APP_HEADER_00_ |
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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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21 | |||
22 | struct APP_HEADER_01_ |
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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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32 | |||
33 | |||
34 | struct APP_PARAMS |
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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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41 | |||
42 | macro _clear_ op |
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43 | { mov ecx, op/4 |
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2382 | hidnplayr | 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: |
2382 | hidnplayr | 50 | xor ebx, ebx |
51 | fs_execute_from_sysdir_param: |
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52 | xor edx, edx |
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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 |
66 | cmdline rd 64 ;256/4 |
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67 | filename rd 256 ;1024/4 |
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68 | flags dd ? |
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363 | serge | 69 | |
1074 | Galkov | 70 | save_cr3 dd ? |
71 | slot dd ? |
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72 | slot_base dd ? |
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73 | file_base dd ? |
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74 | file_size dd ? |
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2540 | hidnplayr | 75 | handle dd ? ;temp. for default cursor handle for curr. thread |
1074 | Galkov | 76 | ;app header data |
77 | hdr_cmdline dd ? ;0x00 |
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78 | hdr_path dd ? ;0x04 |
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79 | hdr_eip dd ? ;0x08 |
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80 | hdr_esp dd ? ;0x0C |
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81 | hdr_mem dd ? ;0x10 |
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82 | hdr_i_end dd ? ;0x14 |
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83 | endl |
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164 | serge | 84 | |
2382 | hidnplayr | 85 | pushad |
363 | serge | 86 | |
2540 | hidnplayr | 87 | pushad |
88 | stdcall set_cursor, [def_cursor_clock] |
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89 | mov [handle], eax |
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90 | mov [redrawmouse_unconditional], 1 |
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91 | call __sys_draw_pointer |
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92 | popad |
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93 | |||
2382 | hidnplayr | 94 | mov [flags], edx |
363 | serge | 95 | |
96 | ; [ebp] pointer to filename |
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97 | |||
2382 | hidnplayr | 98 | lea edi, [filename] |
99 | lea ecx, [edi+1024] |
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100 | mov al, '/' |
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101 | stosb |
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521 | diamond | 102 | @@: |
2382 | hidnplayr | 103 | cmp edi, ecx |
104 | jae .bigfilename |
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105 | lodsb |
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106 | stosb |
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107 | test al, al |
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108 | jnz @b |
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109 | mov esi, [ebp] |
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110 | test esi, esi |
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111 | jz .namecopied |
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112 | mov byte [edi-1], '/' |
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521 | diamond | 113 | @@: |
2382 | hidnplayr | 114 | cmp edi, ecx |
115 | jae .bigfilename |
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116 | lodsb |
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117 | stosb |
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118 | test al, al |
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119 | jnz @b |
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120 | jmp .namecopied |
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521 | diamond | 121 | .bigfilename: |
2382 | hidnplayr | 122 | popad |
123 | mov eax, -ERROR_FILE_NOT_FOUND |
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1220 | serge | 124 | |
2540 | hidnplayr | 125 | jmp .final |
126 | |||
521 | diamond | 127 | .namecopied: |
363 | serge | 128 | |
2382 | hidnplayr | 129 | mov [cmdline], ebx |
130 | test ebx, ebx |
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131 | jz @F |
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519 | serge | 132 | |
2382 | hidnplayr | 133 | lea eax, [cmdline] |
134 | mov dword [eax+252], 0 |
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135 | stdcall strncpy, eax, ebx, 255 |
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519 | serge | 136 | @@: |
2382 | hidnplayr | 137 | lea eax, [filename] |
138 | stdcall load_file, eax |
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2540 | hidnplayr | 139 | |
2382 | hidnplayr | 140 | mov esi, -ERROR_FILE_NOT_FOUND |
141 | test eax, eax |
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142 | jz .err_file |
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237 | serge | 143 | |
2382 | hidnplayr | 144 | mov [file_base], eax |
145 | mov [file_size], ebx |
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237 | serge | 146 | |
2382 | hidnplayr | 147 | lea ebx, [hdr_cmdline] |
148 | call test_app_header |
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149 | mov esi, -0x1F |
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150 | test eax, eax |
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151 | jz .err_hdr |
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237 | serge | 152 | |
153 | .wait_lock: |
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2382 | hidnplayr | 154 | cmp [application_table_status], 0 |
155 | je .get_lock |
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156 | call change_task |
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157 | jmp .wait_lock |
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237 | serge | 158 | |
159 | .get_lock: |
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2382 | hidnplayr | 160 | mov eax, 1 |
161 | xchg eax, [application_table_status] |
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162 | test eax, eax |
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163 | jnz .wait_lock |
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237 | serge | 164 | |
2382 | hidnplayr | 165 | call set_application_table_status |
237 | serge | 166 | |
2382 | hidnplayr | 167 | call get_new_process_place |
168 | test eax, eax |
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169 | mov esi, -0x20 ; too many processes |
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170 | jz .err |
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237 | serge | 171 | |
2382 | hidnplayr | 172 | mov [slot], eax |
173 | shl eax, 8 |
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174 | add eax, SLOT_BASE |
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175 | mov [slot_base], eax |
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176 | mov edi, eax |
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1074 | Galkov | 177 | _clear_ 256 ;clean extended information about process |
237 | serge | 178 | |
179 | ; write application name |
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2382 | hidnplayr | 180 | lea eax, [filename] |
181 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 182 | |
2382 | hidnplayr | 183 | lea esi, [eax+1] |
184 | test eax, eax |
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185 | jnz @F |
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186 | lea esi, [filename] |
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237 | serge | 187 | @@: |
2382 | hidnplayr | 188 | mov ecx, 8; 8 chars for name |
189 | mov edi, [slot_base] |
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237 | serge | 190 | .copy_process_name_loop: |
2382 | hidnplayr | 191 | lodsb |
192 | cmp al, '.' |
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193 | jz .copy_process_name_done |
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194 | test al, al |
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195 | jz .copy_process_name_done |
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196 | stosb |
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197 | loop .copy_process_name_loop |
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237 | serge | 198 | .copy_process_name_done: |
199 | |||
2382 | hidnplayr | 200 | mov ebx, cr3 |
201 | mov [save_cr3], ebx |
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269 | serge | 202 | |
2382 | hidnplayr | 203 | stdcall create_app_space, [hdr_mem], [file_base], [file_size] |
204 | mov esi, -30; no memory |
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205 | test eax, eax |
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206 | jz .failed |
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237 | serge | 207 | |
2382 | hidnplayr | 208 | mov ebx, [slot_base] |
209 | mov [ebx+APPDATA.dir_table], eax |
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210 | mov eax, [hdr_mem] |
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211 | mov [ebx+APPDATA.mem_size], eax |
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237 | serge | 212 | |
2382 | hidnplayr | 213 | xor edx, edx |
214 | cmp word [6], '02' |
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215 | jne @f |
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1220 | serge | 216 | |
2382 | hidnplayr | 217 | not edx |
1220 | serge | 218 | @@: |
2382 | hidnplayr | 219 | mov [ebx+APPDATA.tls_base], edx |
1220 | serge | 220 | |
357 | serge | 221 | if GREEDY_KERNEL |
222 | else |
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2382 | hidnplayr | 223 | mov ecx, [hdr_mem] |
224 | mov edi, [file_size] |
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225 | add edi, 4095 |
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226 | and edi, not 4095 |
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227 | sub ecx, edi |
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228 | jna @F |
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269 | serge | 229 | |
2382 | hidnplayr | 230 | xor eax, eax |
231 | cld |
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232 | rep stosb |
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247 | serge | 233 | @@: |
269 | serge | 234 | end if |
235 | |||
236 | ; release only virtual space, not phisical memory |
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237 | |||
2382 | hidnplayr | 238 | stdcall free_kernel_space, [file_base] |
239 | lea eax, [hdr_cmdline] |
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240 | lea ebx, [cmdline] |
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241 | lea ecx, [filename] |
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242 | stdcall set_app_params , [slot], eax, ebx, ecx, [flags] |
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237 | serge | 243 | |
2382 | hidnplayr | 244 | mov eax, [save_cr3] |
245 | call set_cr3 |
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237 | serge | 246 | |
2382 | hidnplayr | 247 | xor ebx, ebx |
248 | mov [application_table_status], ebx;unlock application_table_status mutex |
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249 | mov eax, [process_number];set result |
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2540 | hidnplayr | 250 | |
251 | jmp .final |
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252 | |||
237 | serge | 253 | .failed: |
2382 | hidnplayr | 254 | mov eax, [save_cr3] |
255 | call set_cr3 |
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269 | serge | 256 | .err: |
247 | serge | 257 | .err_hdr: |
2382 | hidnplayr | 258 | stdcall kernel_free, [file_base] |
247 | serge | 259 | .err_file: |
2382 | hidnplayr | 260 | xor eax, eax |
261 | mov [application_table_status], eax |
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262 | mov eax, esi |
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2540 | hidnplayr | 263 | .final: |
264 | pushad |
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265 | stdcall set_cursor, [handle] |
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266 | mov [redrawmouse_unconditional], 1 |
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267 | call __sys_draw_pointer |
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268 | popad |
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2382 | hidnplayr | 269 | ret |
237 | serge | 270 | endp |
164 | serge | 271 | |
2540 | hidnplayr | 272 | align 4 |
273 | test_app_header: |
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274 | virtual at eax |
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275 | APP_HEADER_00 APP_HEADER_00_ |
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276 | end virtual |
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277 | virtual at eax |
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278 | APP_HEADER_01 APP_HEADER_01_ |
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279 | end virtual |
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280 | |||
281 | cmp dword [eax], 'MENU' |
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2382 | hidnplayr | 282 | jne .fail |
283 | cmp word [eax+4], 'ET' |
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284 | jne .fail |
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164 | serge | 285 | |
2382 | hidnplayr | 286 | cmp [eax+6], word '00' |
287 | jne .check_01_header |
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164 | serge | 288 | |
2382 | hidnplayr | 289 | mov ecx, [APP_HEADER_00.start] |
290 | mov [ebx+0x08], ecx ;app_eip |
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291 | mov edx, [APP_HEADER_00.mem_size] |
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292 | mov [ebx+0x10], edx ;app_mem |
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293 | shr edx, 1 |
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294 | sub edx, 0x10 |
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295 | mov [ebx+0x0C], edx ;app_esp |
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296 | mov ecx, [APP_HEADER_00.i_param] |
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297 | mov [ebx], ecx ;app_cmdline |
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298 | mov [ebx+4], dword 0 ;app_path |
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299 | mov edx, [APP_HEADER_00.i_end] |
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300 | mov [ebx+0x14], edx |
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301 | ret |
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164 | serge | 302 | |
237 | serge | 303 | .check_01_header: |
164 | serge | 304 | |
2382 | hidnplayr | 305 | cmp [eax+6], word '01' |
306 | je @f |
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307 | cmp [eax+6], word '02' |
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308 | jne .fail |
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1220 | serge | 309 | @@: |
2382 | hidnplayr | 310 | mov ecx, [APP_HEADER_01.start] |
311 | mov [ebx+0x08], ecx ;app_eip |
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312 | mov edx, [APP_HEADER_01.mem_size] |
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381 | serge | 313 | |
314 | ; \begin{diamond}[20.08.2006] |
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315 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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316 | ; fit in allocated memory to prevent kernel faults) |
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2382 | hidnplayr | 317 | cmp edx, [APP_HEADER_01.i_end] |
318 | jb .fail |
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381 | serge | 319 | ; \end{diamond}[20.08.2006] |
320 | |||
2382 | hidnplayr | 321 | mov [ebx+0x10], edx ;app_mem |
322 | mov ecx, [APP_HEADER_01.stack_top] |
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323 | mov [ebx+0x0C], ecx ;app_esp |
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324 | mov edx, [APP_HEADER_01.i_param] |
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325 | mov [ebx], edx ;app_cmdline |
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326 | mov ecx, [APP_HEADER_01.i_icon] |
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327 | mov [ebx+4], ecx ;app_path |
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328 | mov edx, [APP_HEADER_01.i_end] |
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329 | mov [ebx+0x14], edx |
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330 | ret |
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237 | serge | 331 | .fail: |
2382 | hidnplayr | 332 | xor eax, eax |
333 | ret |
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164 | serge | 334 | |
335 | align 4 |
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336 | proc get_new_process_place |
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337 | ;input: |
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338 | ; none |
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339 | ;result: |
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340 | ; eax=[new_process_place]<>0 - ok |
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341 | ; 0 - failed. |
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342 | ;This function find least empty slot. |
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343 | ;It doesn't increase [TASK_COUNT]! |
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2382 | hidnplayr | 344 | mov eax, CURRENT_TASK |
345 | mov ebx, [TASK_COUNT] |
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346 | inc ebx |
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347 | shl ebx, 5 |
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348 | add ebx, eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 349 | .newprocessplace: |
350 | ;eax = address of process information for current slot |
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2382 | hidnplayr | 351 | cmp eax, ebx |
352 | jz .endnewprocessplace ;empty slot after high boundary |
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353 | add eax, 0x20 |
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354 | cmp word [eax+0xa], 9;check process state, 9 means that process slot is empty |
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355 | jnz .newprocessplace |
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164 | serge | 356 | .endnewprocessplace: |
2382 | hidnplayr | 357 | mov ebx, eax |
358 | sub eax, CURRENT_TASK |
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359 | shr eax, 5 ;calculate slot index |
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360 | cmp eax, 256 |
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361 | jge .failed ;it should be <256 |
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362 | mov word [ebx+0xa], 9;set process state to 9 (for slot after hight boundary) |
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363 | ret |
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164 | serge | 364 | .failed: |
2382 | hidnplayr | 365 | xor eax, eax |
366 | ret |
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164 | serge | 367 | endp |
368 | |||
369 | align 4 |
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269 | serge | 370 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 371 | locals |
372 | app_pages dd ? |
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373 | img_pages dd ? |
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374 | dir_addr dd ? |
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375 | app_tabs dd ? |
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376 | endl |
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164 | serge | 377 | |
2382 | hidnplayr | 378 | mov ecx, pg_data.mutex |
379 | call mutex_lock |
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164 | serge | 380 | |
2382 | hidnplayr | 381 | xor eax, eax |
382 | mov [dir_addr], eax |
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164 | serge | 383 | |
2382 | hidnplayr | 384 | mov eax, [app_size] |
385 | add eax, 4095 |
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386 | and eax, NOT(4095) |
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387 | mov [app_size], eax |
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388 | mov ebx, eax |
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389 | shr eax, 12 |
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390 | mov [app_pages], eax |
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170 | serge | 391 | |
2382 | hidnplayr | 392 | add ebx, 0x3FFFFF |
393 | and ebx, NOT(0x3FFFFF) |
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394 | shr ebx, 22 |
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395 | mov [app_tabs], ebx |
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164 | serge | 396 | |
2382 | hidnplayr | 397 | mov ecx, [img_size] |
398 | add ecx, 4095 |
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399 | and ecx, NOT(4095) |
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164 | serge | 400 | |
2382 | hidnplayr | 401 | mov [img_size], ecx |
402 | shr ecx, 12 |
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403 | mov [img_pages], ecx |
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164 | serge | 404 | |
2382 | hidnplayr | 405 | if GREEDY_KERNEL |
406 | lea eax, [ecx+ebx+2];only image size |
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407 | else |
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408 | lea eax, [eax+ebx+2];all requested memory |
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409 | end if |
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410 | cmp eax, [pg_data.pages_free] |
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411 | ja .fail |
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170 | serge | 412 | |
2382 | hidnplayr | 413 | call alloc_page |
414 | test eax, eax |
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415 | jz .fail |
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416 | mov [dir_addr], eax |
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417 | stdcall map_page, [tmp_task_pdir], eax, dword PG_SW |
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164 | serge | 418 | |
2382 | hidnplayr | 419 | mov edi, [tmp_task_pdir] |
420 | mov ecx, (OS_BASE shr 20)/4 |
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421 | xor eax, eax |
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422 | cld |
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423 | rep stosd |
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465 | serge | 424 | |
2382 | hidnplayr | 425 | mov ecx, (OS_BASE shr 20)/4 |
426 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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427 | rep movsd |
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164 | serge | 428 | |
2382 | hidnplayr | 429 | mov eax, [dir_addr] |
430 | or eax, PG_SW |
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431 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 432 | |
2382 | hidnplayr | 433 | and eax, -4096 |
434 | call set_cr3 |
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164 | serge | 435 | |
2382 | hidnplayr | 436 | mov edx, [app_tabs] |
437 | mov edi, new_app_base |
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164 | serge | 438 | @@: |
2382 | hidnplayr | 439 | call alloc_page |
440 | test eax, eax |
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441 | jz .fail |
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164 | serge | 442 | |
2382 | hidnplayr | 443 | stdcall map_page_table, edi, eax |
444 | add edi, 0x00400000 |
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445 | dec edx |
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446 | jnz @B |
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164 | serge | 447 | |
2382 | hidnplayr | 448 | mov edi, new_app_base |
449 | shr edi, 10 |
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450 | add edi, page_tabs |
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269 | serge | 451 | |
2382 | hidnplayr | 452 | mov ecx, [app_tabs] |
453 | shl ecx, 10 |
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454 | xor eax, eax |
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455 | rep stosd |
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164 | serge | 456 | |
2382 | hidnplayr | 457 | mov ecx, [img_pages] |
458 | mov ebx, PG_UW |
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459 | mov edx, new_app_base |
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460 | mov esi, [img_base] |
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461 | mov edi, new_app_base |
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462 | shr esi, 10 |
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463 | shr edi, 10 |
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464 | add esi, page_tabs |
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465 | add edi, page_tabs |
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269 | serge | 466 | .remap: |
2382 | hidnplayr | 467 | lodsd |
468 | or eax, ebx; force user level r/w access |
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469 | stosd |
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470 | add edx, 0x1000 |
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471 | dec [app_pages] |
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472 | dec ecx |
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473 | jnz .remap |
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269 | serge | 474 | |
2382 | hidnplayr | 475 | mov ecx, [app_pages] |
476 | test ecx, ecx |
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477 | jz .done |
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269 | serge | 478 | |
479 | if GREEDY_KERNEL |
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2382 | hidnplayr | 480 | mov eax, 0x02 |
481 | rep stosd |
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269 | serge | 482 | else |
483 | |||
164 | serge | 484 | .alloc: |
2382 | hidnplayr | 485 | call alloc_page |
486 | test eax, eax |
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487 | jz .fail |
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164 | serge | 488 | |
2382 | hidnplayr | 489 | stdcall map_page, edx, eax, dword PG_UW |
490 | add edx, 0x1000 |
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491 | dec [app_pages] |
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492 | jnz .alloc |
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269 | serge | 493 | end if |
164 | serge | 494 | |
269 | serge | 495 | .done: |
2382 | hidnplayr | 496 | stdcall map_page, [tmp_task_pdir], dword 0, dword PG_UNMAP |
164 | serge | 497 | |
2382 | hidnplayr | 498 | mov ecx, pg_data.mutex |
499 | call mutex_unlock |
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500 | mov eax, [dir_addr] |
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501 | ret |
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164 | serge | 502 | .fail: |
2382 | hidnplayr | 503 | mov ecx, pg_data.mutex |
504 | call mutex_unlock |
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505 | cmp [dir_addr], 0 |
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506 | je @f |
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507 | stdcall destroy_app_space, [dir_addr], 0 |
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164 | serge | 508 | @@: |
2382 | hidnplayr | 509 | xor eax, eax |
510 | ret |
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164 | serge | 511 | endp |
512 | |||
513 | align 4 |
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514 | set_cr3: |
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465 | serge | 515 | |
2382 | hidnplayr | 516 | mov ebx, [current_slot] |
517 | mov [ebx+APPDATA.dir_table], eax |
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518 | mov cr3, eax |
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519 | ret |
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164 | serge | 520 | |
521 | align 4 |
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522 | proc destroy_page_table stdcall, pg_tab:dword |
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523 | |||
2382 | hidnplayr | 524 | push esi |
164 | serge | 525 | |
2382 | hidnplayr | 526 | mov esi, [pg_tab] |
527 | mov ecx, 1024 |
||
164 | serge | 528 | .free: |
2382 | hidnplayr | 529 | mov eax, [esi] |
530 | test eax, 1 |
||
531 | jz .next |
||
532 | test eax, 1 shl 9 |
||
533 | jnz .next ;skip shared pages |
||
534 | call free_page |
||
164 | serge | 535 | .next: |
2382 | hidnplayr | 536 | add esi, 4 |
537 | dec ecx |
||
538 | jnz .free |
||
539 | pop esi |
||
540 | ret |
||
164 | serge | 541 | endp |
542 | |||
543 | align 4 |
||
1311 | diamond | 544 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 545 | |
2382 | hidnplayr | 546 | xor edx, edx |
547 | push edx |
||
548 | mov eax, 0x2 |
||
549 | mov ebx, [pg_dir] |
||
164 | serge | 550 | .loop: |
551 | ;eax = current slot of process |
||
2382 | hidnplayr | 552 | mov ecx, eax |
553 | shl ecx, 5 |
||
554 | cmp byte [CURRENT_TASK+ecx+0xa], 9;if process running? |
||
555 | jz @f ;skip empty slots |
||
556 | shl ecx, 3 |
||
557 | add ecx, SLOT_BASE |
||
558 | cmp [ecx+APPDATA.dir_table], ebx;compare page directory addresses |
||
559 | jnz @f |
||
560 | mov [ebp-4], ecx |
||
561 | inc edx ;thread found |
||
164 | serge | 562 | @@: |
2382 | hidnplayr | 563 | inc eax |
564 | cmp eax, [TASK_COUNT] ;exit loop if we look through all processes |
||
565 | jle .loop |
||
164 | serge | 566 | |
567 | ;edx = number of threads |
||
568 | ;our process is zombi so it isn't counted |
||
2382 | hidnplayr | 569 | pop ecx |
570 | cmp edx, 1 |
||
571 | jg .ret |
||
164 | serge | 572 | ;if there isn't threads then clear memory. |
2382 | hidnplayr | 573 | mov esi, [dlls_list] |
574 | call destroy_all_hdlls;ecx=APPDATA |
||
164 | serge | 575 | |
2382 | hidnplayr | 576 | mov ecx, pg_data.mutex |
577 | call mutex_lock |
||
1311 | diamond | 578 | |
2382 | hidnplayr | 579 | mov eax, [pg_dir] |
580 | and eax, not 0xFFF |
||
581 | stdcall map_page, [tmp_task_pdir], eax, PG_SW |
||
582 | mov esi, [tmp_task_pdir] |
||
583 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 584 | .destroy: |
2382 | hidnplayr | 585 | mov eax, [esi] |
586 | test eax, 1 |
||
587 | jz .next |
||
588 | and eax, not 0xFFF |
||
589 | stdcall map_page, [tmp_task_ptab], eax, PG_SW |
||
590 | stdcall destroy_page_table, [tmp_task_ptab] |
||
591 | mov eax, [esi] |
||
592 | call free_page |
||
164 | serge | 593 | .next: |
2382 | hidnplayr | 594 | add esi, 4 |
595 | dec edi |
||
596 | jnz .destroy |
||
164 | serge | 597 | |
2382 | hidnplayr | 598 | mov eax, [pg_dir] |
599 | call free_page |
||
164 | serge | 600 | .exit: |
2382 | hidnplayr | 601 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
602 | stdcall map_page, [tmp_task_pdir], 0, PG_UNMAP |
||
603 | mov ecx, pg_data.mutex |
||
604 | call mutex_unlock |
||
1311 | diamond | 605 | .ret: |
2382 | hidnplayr | 606 | ret |
164 | serge | 607 | endp |
608 | |||
520 | serge | 609 | align 4 |
610 | get_pid: |
||
2382 | hidnplayr | 611 | mov eax, [TASK_BASE] |
612 | mov eax, [eax+TASKDATA.pid] |
||
613 | ret |
||
520 | serge | 614 | |
164 | serge | 615 | pid_to_slot: |
616 | ;Input: |
||
617 | ; eax - pid of process |
||
618 | ;Output: |
||
619 | ; eax - slot of process or 0 if process don't exists |
||
620 | ;Search process by PID. |
||
2382 | hidnplayr | 621 | push ebx |
622 | push ecx |
||
623 | mov ebx, [TASK_COUNT] |
||
624 | shl ebx, 5 |
||
625 | mov ecx, 2*32 |
||
164 | serge | 626 | |
627 | .loop: |
||
628 | ;ecx=offset of current process info entry |
||
629 | ;ebx=maximum permitted offset |
||
2382 | hidnplayr | 630 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
631 | jz .endloop ;skip empty slots |
||
632 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
633 | jz .pid_found |
||
164 | serge | 634 | .endloop: |
2382 | hidnplayr | 635 | add ecx, 32 |
636 | cmp ecx, ebx |
||
637 | jle .loop |
||
164 | serge | 638 | |
2382 | hidnplayr | 639 | pop ecx |
640 | pop ebx |
||
641 | xor eax, eax |
||
642 | ret |
||
164 | serge | 643 | |
644 | .pid_found: |
||
2382 | hidnplayr | 645 | shr ecx, 5 |
646 | mov eax, ecx ;convert offset to index of slot |
||
647 | pop ecx |
||
648 | pop ebx |
||
649 | ret |
||
164 | serge | 650 | |
651 | check_region: |
||
652 | ;input: |
||
1329 | Lrz | 653 | ; esi - start of buffer |
654 | ; edx - size of buffer |
||
164 | serge | 655 | ;result: |
656 | ; eax = 1 region lays in app memory |
||
657 | ; eax = 0 region don't lays in app memory |
||
2382 | hidnplayr | 658 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 659 | ; jmp check_process_region |
164 | serge | 660 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 661 | ;check_process_region: |
164 | serge | 662 | ;input: |
663 | ; eax - slot |
||
1329 | Lrz | 664 | ; esi - start of buffer |
665 | ; edx - size of buffer |
||
164 | serge | 666 | ;result: |
667 | ; eax = 1 region lays in app memory |
||
668 | ; eax = 0 region don't lays in app memory |
||
669 | |||
2382 | hidnplayr | 670 | test edx, edx |
671 | jle .ok |
||
672 | shl eax, 5 |
||
673 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
674 | jnz .failed |
||
675 | shl eax, 3 |
||
676 | mov eax, [SLOT_BASE+eax+0xb8] |
||
677 | test eax, eax |
||
678 | jz .failed |
||
164 | serge | 679 | |
2382 | hidnplayr | 680 | mov eax, 1 |
681 | ret |
||
164 | serge | 682 | |
683 | |||
684 | ; call MEM_Get_Linear_Address |
||
685 | ; push ebx |
||
686 | ; push ecx |
||
687 | ; push edx |
||
688 | ; mov edx,ebx |
||
689 | ; and edx,not (4096-1) |
||
690 | ; sub ebx,edx |
||
691 | ; add ecx,ebx |
||
692 | ; mov ebx,edx |
||
693 | ; add ecx,(4096-1) |
||
694 | ; and ecx,not (4096-1) |
||
695 | ;.loop: |
||
696 | ;;eax - linear address of page directory |
||
697 | ;;ebx - current page |
||
698 | ;;ecx - current size |
||
699 | ; mov edx,ebx |
||
700 | ; shr edx,22 |
||
701 | ; mov edx,[eax+4*edx] |
||
702 | ; and edx,not (4096-1) |
||
703 | ; test edx,edx |
||
704 | ; jz .failed1 |
||
705 | ; push eax |
||
706 | ; mov eax,edx |
||
707 | ; call MEM_Get_Linear_Address |
||
708 | ; mov edx,ebx |
||
709 | ; shr edx,12 |
||
710 | ; and edx,(1024-1) |
||
711 | ; mov eax,[eax+4*edx] |
||
712 | ; and eax,not (4096-1) |
||
713 | ; test eax,eax |
||
714 | ; pop eax |
||
715 | ; jz .failed1 |
||
716 | ; add ebx,4096 |
||
717 | ; sub ecx,4096 |
||
718 | ; jg .loop |
||
719 | ; pop edx |
||
720 | ; pop ecx |
||
721 | ; pop ebx |
||
722 | .ok: |
||
2382 | hidnplayr | 723 | mov eax, 1 |
724 | ret |
||
164 | serge | 725 | ; |
726 | ;.failed1: |
||
727 | ; pop edx |
||
728 | ; pop ecx |
||
729 | ; pop ebx |
||
730 | .failed: |
||
2382 | hidnplayr | 731 | xor eax, eax |
732 | ret |
||
164 | serge | 733 | |
734 | align 4 |
||
735 | proc read_process_memory |
||
736 | ;Input: |
||
737 | ; eax - process slot |
||
1329 | Lrz | 738 | ; ecx - buffer address |
739 | ; edx - buffer size |
||
740 | ; esi - start address in other process |
||
164 | serge | 741 | ;Output: |
742 | ; eax - number of bytes read. |
||
1074 | Galkov | 743 | locals |
744 | slot dd ? |
||
745 | buff dd ? |
||
746 | r_count dd ? |
||
747 | offset dd ? |
||
748 | tmp_r_cnt dd ? |
||
749 | endl |
||
164 | serge | 750 | |
2382 | hidnplayr | 751 | mov [slot], eax |
752 | mov [buff], ecx |
||
753 | and [r_count], 0 |
||
754 | mov [tmp_r_cnt], edx |
||
755 | mov [offset], esi |
||
164 | serge | 756 | |
2382 | hidnplayr | 757 | pushad |
164 | serge | 758 | .read_mem: |
2382 | hidnplayr | 759 | mov edx, [offset] |
760 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 761 | |
2382 | hidnplayr | 762 | mov ecx, 0x400000 |
763 | and edx, 0x3FFFFF |
||
764 | sub ecx, edx |
||
765 | cmp ecx, ebx |
||
766 | jbe @f |
||
767 | mov ecx, ebx |
||
164 | serge | 768 | @@: |
2382 | hidnplayr | 769 | cmp ecx, 0x8000 |
770 | jna @F |
||
771 | mov ecx, 0x8000 |
||
164 | serge | 772 | @@: |
2382 | hidnplayr | 773 | mov ebx, [offset] |
1220 | serge | 774 | |
2382 | hidnplayr | 775 | push ecx |
776 | stdcall map_memEx, [proc_mem_map], \ |
||
777 | [slot], ebx, ecx, PG_MAP |
||
778 | pop ecx |
||
164 | serge | 779 | |
2382 | hidnplayr | 780 | mov esi, [offset] |
781 | and esi, 0xfff |
||
782 | sub eax, esi |
||
783 | jbe .ret |
||
784 | cmp ecx, eax |
||
785 | jbe @f |
||
786 | mov ecx, eax |
||
787 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 788 | @@: |
2382 | hidnplayr | 789 | add esi, [proc_mem_map] |
790 | mov edi, [buff] |
||
791 | mov edx, ecx |
||
792 | rep movsb |
||
793 | add [r_count], edx |
||
164 | serge | 794 | |
2382 | hidnplayr | 795 | add [offset], edx |
796 | sub [tmp_r_cnt], edx |
||
797 | jnz .read_mem |
||
1314 | diamond | 798 | .ret: |
2382 | hidnplayr | 799 | popad |
800 | mov eax, [r_count] |
||
801 | ret |
||
164 | serge | 802 | endp |
803 | |||
804 | align 4 |
||
805 | proc write_process_memory |
||
806 | ;Input: |
||
807 | ; eax - process slot |
||
1329 | Lrz | 808 | ; ecx - buffer address |
809 | ; edx - buffer size |
||
810 | ; esi - start address in other process |
||
164 | serge | 811 | ;Output: |
812 | ; eax - number of bytes written |
||
813 | |||
1074 | Galkov | 814 | locals |
815 | slot dd ? |
||
816 | buff dd ? |
||
817 | w_count dd ? |
||
818 | offset dd ? |
||
819 | tmp_w_cnt dd ? |
||
820 | endl |
||
164 | serge | 821 | |
2382 | hidnplayr | 822 | mov [slot], eax |
823 | mov [buff], ecx |
||
824 | and [w_count], 0 |
||
825 | mov [tmp_w_cnt], edx |
||
826 | mov [offset], esi |
||
164 | serge | 827 | |
2382 | hidnplayr | 828 | pushad |
164 | serge | 829 | .read_mem: |
2382 | hidnplayr | 830 | mov edx, [offset] |
831 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 832 | |
2382 | hidnplayr | 833 | mov ecx, 0x400000 |
834 | and edx, 0x3FFFFF |
||
835 | sub ecx, edx |
||
836 | cmp ecx, ebx |
||
837 | jbe @f |
||
838 | mov ecx, ebx |
||
164 | serge | 839 | @@: |
2382 | hidnplayr | 840 | cmp ecx, 0x8000 |
841 | jna @F |
||
842 | mov ecx, 0x8000 |
||
164 | serge | 843 | @@: |
2382 | hidnplayr | 844 | mov ebx, [offset] |
465 | serge | 845 | ; add ebx, new_app_base |
2382 | hidnplayr | 846 | push ecx |
847 | stdcall map_memEx, [proc_mem_map], \ |
||
848 | [slot], ebx, ecx, PG_SW |
||
849 | pop ecx |
||
164 | serge | 850 | |
2382 | hidnplayr | 851 | mov edi, [offset] |
852 | and edi, 0xfff |
||
853 | sub eax, edi |
||
854 | jbe .ret |
||
855 | cmp ecx, eax |
||
856 | jbe @f |
||
857 | mov ecx, eax |
||
858 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 859 | @@: |
2382 | hidnplayr | 860 | add edi, [proc_mem_map] |
861 | mov esi, [buff] |
||
862 | mov edx, ecx |
||
863 | rep movsb |
||
164 | serge | 864 | |
2382 | hidnplayr | 865 | add [w_count], edx |
866 | add [offset], edx |
||
867 | sub [tmp_w_cnt], edx |
||
868 | jnz .read_mem |
||
1314 | diamond | 869 | .ret: |
2382 | hidnplayr | 870 | popad |
871 | mov eax, [w_count] |
||
872 | ret |
||
164 | serge | 873 | endp |
874 | |||
875 | align 4 |
||
876 | proc new_sys_threads |
||
1074 | Galkov | 877 | locals |
878 | slot dd ? |
||
879 | app_cmdline dd ? ;0x00 |
||
880 | app_path dd ? ;0x04 |
||
881 | app_eip dd ? ;0x08 |
||
882 | app_esp dd ? ;0x0C |
||
883 | app_mem dd ? ;0x10 |
||
884 | endl |
||
164 | serge | 885 | |
2382 | hidnplayr | 886 | cmp ebx, 1 |
887 | jne .failed ;other subfunctions |
||
164 | serge | 888 | |
2382 | hidnplayr | 889 | xor eax, eax |
890 | mov [app_eip], ecx |
||
891 | mov [app_cmdline], eax |
||
892 | mov [app_esp], edx |
||
893 | mov [app_path], eax |
||
1074 | Galkov | 894 | ;mov esi,new_process_loading |
895 | ;call sys_msg_board_str |
||
164 | serge | 896 | .wait_lock: |
2382 | hidnplayr | 897 | cmp [application_table_status], 0 |
898 | je .get_lock |
||
899 | call change_task |
||
900 | jmp .wait_lock |
||
164 | serge | 901 | |
902 | .get_lock: |
||
2382 | hidnplayr | 903 | mov eax, 1 |
904 | xchg eax, [application_table_status] |
||
905 | test eax, eax |
||
906 | jnz .wait_lock |
||
164 | serge | 907 | |
2382 | hidnplayr | 908 | call set_application_table_status |
164 | serge | 909 | |
2382 | hidnplayr | 910 | call get_new_process_place |
911 | test eax, eax |
||
912 | jz .failed |
||
164 | serge | 913 | |
2382 | hidnplayr | 914 | mov [slot], eax |
164 | serge | 915 | |
2382 | hidnplayr | 916 | mov esi, [current_slot] |
917 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 918 | |
2382 | hidnplayr | 919 | mov edi, eax |
920 | shl edi, 8 |
||
921 | add edi, SLOT_BASE |
||
922 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
923 | mov ecx, 256/4 |
||
924 | xor eax, eax |
||
925 | cld |
||
926 | rep stosd ;clean extended information about new thread |
||
927 | mov esi, ebx |
||
928 | mov edi, edx |
||
929 | mov ecx, 11 |
||
930 | rep movsb ;copy process name |
||
164 | serge | 931 | |
2382 | hidnplayr | 932 | mov eax, [ebx+APPDATA.heap_base] |
933 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 934 | |
2382 | hidnplayr | 935 | mov ecx, [ebx+APPDATA.heap_top] |
936 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 937 | |
2382 | hidnplayr | 938 | mov eax, [ebx+APPDATA.mem_size] |
939 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 940 | |
2382 | hidnplayr | 941 | mov ecx, [ebx+APPDATA.dir_table] |
942 | mov [edx+APPDATA.dir_table], ecx;copy page directory |
||
237 | serge | 943 | |
2382 | hidnplayr | 944 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
945 | mov [edx+APPDATA.dlls_list_ptr], eax |
||
1311 | diamond | 946 | |
2382 | hidnplayr | 947 | mov eax, [ebx+APPDATA.tls_base] |
948 | test eax, eax |
||
949 | jz @F |
||
1220 | serge | 950 | |
2382 | hidnplayr | 951 | push edx |
952 | stdcall user_alloc, 4096 |
||
953 | pop edx |
||
954 | test eax, eax |
||
955 | jz .failed1;eax=0 |
||
1220 | serge | 956 | @@: |
2382 | hidnplayr | 957 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 958 | |
2382 | hidnplayr | 959 | lea eax, [app_cmdline] |
960 | stdcall set_app_params , [slot], eax, dword 0, \ |
||
961 | dword 0,dword 0 |
||
237 | serge | 962 | |
1074 | Galkov | 963 | ;mov esi,new_process_running |
2382 | hidnplayr | 964 | ;call sys_msg_board_str ;output information about succefull startup |
965 | xor eax, eax |
||
966 | mov [application_table_status], eax ;unlock application_table_status mutex |
||
967 | mov eax, [process_number] ;set result |
||
968 | ret |
||
164 | serge | 969 | .failed: |
2382 | hidnplayr | 970 | xor eax, eax |
1322 | Lrz | 971 | .failed1: |
2382 | hidnplayr | 972 | mov [application_table_status], eax |
973 | dec eax ;-1 |
||
974 | ret |
||
164 | serge | 975 | endp |
976 | |||
977 | align 4 |
||
1220 | serge | 978 | tls_app_entry: |
979 | |||
2382 | hidnplayr | 980 | call init_heap |
1220 | serge | 981 | stdcall user_alloc, 4096 |
982 | |||
2382 | hidnplayr | 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 | |
2382 | hidnplayr | 1009 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1010 | mov [pl0_stack], eax |
||
357 | serge | 1011 | |
2382 | hidnplayr | 1012 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1013 | |
2382 | hidnplayr | 1014 | mov eax, [slot] |
1015 | mov ebx, eax |
||
357 | serge | 1016 | |
2382 | hidnplayr | 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 |
||
357 | serge | 1021 | |
465 | serge | 1022 | ;set default io permission map |
2382 | hidnplayr | 1023 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1024 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1025 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1026 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1027 | |
2382 | hidnplayr | 1028 | mov esi, fpu_data |
1029 | mov ecx, 512/4 |
||
1030 | rep movsd |
||
237 | serge | 1031 | |
2382 | hidnplayr | 1032 | cmp ebx, [TASK_COUNT] |
1033 | jle .noinc |
||
1034 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1035 | .noinc: |
2382 | hidnplayr | 1036 | shl ebx, 8 |
1037 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1038 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1039 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 1040 | |
2382 | hidnplayr | 1041 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1042 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1043 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 1044 | |
2382 | hidnplayr | 1045 | mov ecx, [def_cursor] |
1046 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1047 | mov eax, [pl0_stack] |
||
1048 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1049 | add eax, RING0_STACK_SIZE |
||
1050 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1051 | |
2382 | hidnplayr | 1052 | push ebx |
1053 | stdcall kernel_alloc, 0x1000 |
||
1054 | pop ebx |
||
1055 | mov esi, [current_slot] |
||
1056 | mov esi, [esi+APPDATA.cur_dir] |
||
1057 | mov ecx, 0x1000/4 |
||
1058 | mov edi, eax |
||
1059 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1060 | rep movsd |
||
521 | diamond | 1061 | |
2382 | hidnplayr | 1062 | shr ebx, 3 |
1063 | mov eax, new_app_base |
||
1064 | mov dword [CURRENT_TASK+ebx+0x10], eax |
||
237 | serge | 1065 | |
1066 | .add_command_line: |
||
2382 | hidnplayr | 1067 | mov edx, [params] |
1068 | mov edx, [edx] ;app_cmdline |
||
1069 | test edx, edx |
||
1070 | jz @f ;application doesn't need parameters |
||
281 | serge | 1071 | |
2382 | hidnplayr | 1072 | mov eax, edx |
1073 | add eax, 256 |
||
1074 | jc @f |
||
281 | serge | 1075 | |
2382 | hidnplayr | 1076 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1077 | ja @f |
||
281 | serge | 1078 | |
2382 | hidnplayr | 1079 | mov byte [edx], 0 ;force empty string if no cmdline given |
1080 | mov eax, [cmd_line] |
||
1081 | test eax, eax |
||
1082 | jz @f |
||
1083 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1084 | @@: |
2382 | hidnplayr | 1085 | mov edx, [params] |
1086 | mov edx, [edx+4];app_path |
||
1087 | test edx, edx |
||
1088 | jz @F ;application don't need path of file |
||
1089 | mov eax, edx |
||
1090 | add eax, 1024 |
||
1091 | jc @f |
||
1092 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1093 | ja @f |
||
1094 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1095 | @@: |
2382 | hidnplayr | 1096 | mov ebx, [slot] |
1097 | mov eax, ebx |
||
1098 | shl ebx, 5 |
||
1099 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 1100 | |
2382 | hidnplayr | 1101 | mov edx, irq0.return |
1102 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1103 | jne @F |
||
1104 | mov edx, tls_app_entry |
||
1220 | serge | 1105 | @@: |
237 | serge | 1106 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2382 | hidnplayr | 1107 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1108 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1109 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1110 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 1111 | |
2382 | hidnplayr | 1112 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 1113 | |
2382 | hidnplayr | 1114 | inc dword [process_number] |
1115 | mov eax, [process_number] |
||
1116 | mov [ebx+4], eax ;set PID |
||
237 | serge | 1117 | |
1118 | ;set draw data to full screen |
||
2382 | hidnplayr | 1119 | xor eax, eax |
1120 | mov [ecx+0], dword eax |
||
1121 | mov [ecx+4], dword eax |
||
1122 | mov eax, [Screen_Max_X] |
||
1123 | mov [ecx+8], eax |
||
1124 | mov eax, [Screen_Max_Y] |
||
1125 | mov [ecx+12], eax |
||
237 | serge | 1126 | |
2382 | hidnplayr | 1127 | mov ebx, [pl0_stack] |
1128 | mov esi, [params] |
||
1129 | lea ecx, [ebx+REG_EIP] |
||
1130 | xor eax, eax |
||
237 | serge | 1131 | |
2382 | hidnplayr | 1132 | mov [ebx+REG_RET], edx |
1133 | mov [ebx+REG_EDI], eax |
||
1134 | mov [ebx+REG_ESI], eax |
||
1135 | mov [ebx+REG_EBP], eax |
||
1136 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1137 | mov [ebx+REG_EBX], eax |
||
1138 | mov [ebx+REG_EDX], eax |
||
1139 | mov [ebx+REG_ECX], eax |
||
1140 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1141 | |
2382 | hidnplayr | 1142 | mov eax, [esi+0x08] ;app_eip |
1143 | mov [ebx+REG_EIP], eax;app_entry |
||
1144 | mov [ebx+REG_CS], dword app_code |
||
1145 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
||
465 | serge | 1146 | |
2382 | hidnplayr | 1147 | mov eax, [esi+0x0C] ;app_esp |
1148 | mov [ebx+REG_APP_ESP], eax;app_stack |
||
1149 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1150 | |
2382 | hidnplayr | 1151 | lea ecx, [ebx+REG_RET] |
1152 | mov ebx, [slot] |
||
1153 | shl ebx, 5 |
||
1154 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1155 | |
2382 | hidnplayr | 1156 | xor ecx, ecx; process state - running |
237 | serge | 1157 | ; set if debuggee |
2382 | hidnplayr | 1158 | test byte [flags], 1 |
1159 | jz .no_debug |
||
1160 | inc ecx ; process state - suspended |
||
1161 | mov eax, [CURRENT_TASK] |
||
1162 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1163 | .no_debug: |
2382 | hidnplayr | 1164 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1074 | Galkov | 1165 | ;mov esi,new_process_running |
1166 | ;call sys_msg_board_str ;output information about succefull startup |
||
2382 | hidnplayr | 1167 | ret |
237 | serge | 1168 | endp |
1169 | |||
2382 | hidnplayr | 1170 | |
1171 | align 4 |
||
1172 | |||
1173 | get_stack_base: |
||
1174 | mov eax, [current_slot] |
||
1175 | mov eax, [eax+APPDATA.pl0_stack] |
||
1176 | ret |
||
1177 | |||
1178 | |||
164 | serge | 1179 | include "debug.inc"256 |