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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 3500 $ |
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 |
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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2987 | Serge | 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 | |
2434 | Serge | 85 | pushad |
363 | serge | 86 | |
2987 | Serge | 87 | cmp [SCR_MODE], word 0x13 |
88 | jbe @f |
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89 | pushad |
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90 | stdcall set_cursor, [def_cursor_clock] |
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91 | mov [handle], eax |
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92 | mov [redrawmouse_unconditional], 1 |
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93 | call __sys_draw_pointer |
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94 | popad |
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95 | @@: |
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2434 | Serge | 96 | mov [flags], edx |
363 | serge | 97 | |
98 | ; [ebp] pointer to filename |
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99 | |||
2434 | Serge | 100 | lea edi, [filename] |
101 | lea ecx, [edi+1024] |
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102 | mov al, '/' |
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103 | stosb |
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521 | diamond | 104 | @@: |
2434 | Serge | 105 | cmp edi, ecx |
106 | jae .bigfilename |
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107 | lodsb |
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108 | stosb |
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109 | test al, al |
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110 | jnz @b |
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111 | mov esi, [ebp] |
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112 | test esi, esi |
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113 | jz .namecopied |
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114 | mov byte [edi-1], '/' |
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521 | diamond | 115 | @@: |
2434 | Serge | 116 | cmp edi, ecx |
117 | jae .bigfilename |
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118 | lodsb |
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119 | stosb |
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120 | test al, al |
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121 | jnz @b |
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122 | jmp .namecopied |
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521 | diamond | 123 | .bigfilename: |
2434 | Serge | 124 | popad |
125 | mov eax, -ERROR_FILE_NOT_FOUND |
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1220 | serge | 126 | |
2987 | Serge | 127 | jmp .final |
128 | |||
521 | diamond | 129 | .namecopied: |
363 | serge | 130 | |
2434 | Serge | 131 | mov [cmdline], ebx |
132 | test ebx, ebx |
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133 | jz @F |
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519 | serge | 134 | |
2434 | Serge | 135 | lea eax, [cmdline] |
136 | mov dword [eax+252], 0 |
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137 | stdcall strncpy, eax, ebx, 255 |
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519 | serge | 138 | @@: |
2434 | Serge | 139 | lea eax, [filename] |
140 | stdcall load_file, eax |
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2987 | Serge | 141 | |
2434 | Serge | 142 | mov esi, -ERROR_FILE_NOT_FOUND |
143 | test eax, eax |
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144 | jz .err_file |
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237 | serge | 145 | |
2434 | Serge | 146 | mov [file_base], eax |
147 | mov [file_size], ebx |
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237 | serge | 148 | |
2434 | Serge | 149 | lea ebx, [hdr_cmdline] |
150 | call test_app_header |
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151 | mov esi, -0x1F |
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152 | test eax, eax |
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153 | jz .err_hdr |
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237 | serge | 154 | |
155 | .wait_lock: |
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2434 | Serge | 156 | cmp [application_table_status], 0 |
157 | je .get_lock |
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158 | call change_task |
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159 | jmp .wait_lock |
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237 | serge | 160 | |
161 | .get_lock: |
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2434 | Serge | 162 | mov eax, 1 |
163 | xchg eax, [application_table_status] |
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164 | test eax, eax |
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165 | jnz .wait_lock |
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237 | serge | 166 | |
2434 | Serge | 167 | call set_application_table_status |
237 | serge | 168 | |
2434 | Serge | 169 | call get_new_process_place |
170 | test eax, eax |
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171 | mov esi, -0x20 ; too many processes |
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172 | jz .err |
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237 | serge | 173 | |
2434 | Serge | 174 | mov [slot], eax |
175 | shl eax, 8 |
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176 | add eax, SLOT_BASE |
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177 | mov [slot_base], eax |
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178 | mov edi, eax |
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1074 | Galkov | 179 | _clear_ 256 ;clean extended information about process |
237 | serge | 180 | |
181 | ; write application name |
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2434 | Serge | 182 | lea eax, [filename] |
183 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 184 | |
2434 | Serge | 185 | lea esi, [eax+1] |
186 | test eax, eax |
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187 | jnz @F |
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188 | lea esi, [filename] |
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237 | serge | 189 | @@: |
2987 | Serge | 190 | mov ecx, 11 ; 11 chars for name! 8 - is old value! |
2434 | Serge | 191 | mov edi, [slot_base] |
237 | serge | 192 | .copy_process_name_loop: |
2434 | Serge | 193 | lodsb |
194 | cmp al, '.' |
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195 | jz .copy_process_name_done |
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196 | test al, al |
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197 | jz .copy_process_name_done |
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198 | stosb |
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199 | loop .copy_process_name_loop |
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237 | serge | 200 | .copy_process_name_done: |
201 | |||
2434 | Serge | 202 | mov ebx, cr3 |
203 | mov [save_cr3], ebx |
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269 | serge | 204 | |
2434 | Serge | 205 | stdcall create_app_space, [hdr_mem], [file_base], [file_size] |
206 | mov esi, -30; no memory |
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207 | test eax, eax |
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208 | jz .failed |
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237 | serge | 209 | |
2434 | Serge | 210 | mov ebx, [slot_base] |
211 | mov [ebx+APPDATA.dir_table], eax |
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212 | mov eax, [hdr_mem] |
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213 | mov [ebx+APPDATA.mem_size], eax |
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237 | serge | 214 | |
2434 | Serge | 215 | xor edx, edx |
216 | cmp word [6], '02' |
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217 | jne @f |
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1220 | serge | 218 | |
2434 | Serge | 219 | not edx |
1220 | serge | 220 | @@: |
2434 | Serge | 221 | mov [ebx+APPDATA.tls_base], edx |
1220 | serge | 222 | |
357 | serge | 223 | if GREEDY_KERNEL |
224 | else |
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2434 | Serge | 225 | mov ecx, [hdr_mem] |
226 | mov edi, [file_size] |
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227 | add edi, 4095 |
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228 | and edi, not 4095 |
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229 | sub ecx, edi |
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230 | jna @F |
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269 | serge | 231 | |
2434 | Serge | 232 | xor eax, eax |
233 | cld |
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234 | rep stosb |
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247 | serge | 235 | @@: |
269 | serge | 236 | end if |
237 | |||
238 | ; release only virtual space, not phisical memory |
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239 | |||
2434 | Serge | 240 | stdcall free_kernel_space, [file_base] |
241 | lea eax, [hdr_cmdline] |
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242 | lea ebx, [cmdline] |
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243 | lea ecx, [filename] |
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244 | stdcall set_app_params , [slot], eax, ebx, ecx, [flags] |
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237 | serge | 245 | |
2434 | Serge | 246 | mov eax, [save_cr3] |
247 | call set_cr3 |
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237 | serge | 248 | |
2434 | Serge | 249 | xor ebx, ebx |
250 | mov [application_table_status], ebx;unlock application_table_status mutex |
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251 | mov eax, [process_number];set result |
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2987 | Serge | 252 | |
253 | jmp .final |
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254 | |||
237 | serge | 255 | .failed: |
2434 | Serge | 256 | mov eax, [save_cr3] |
257 | call set_cr3 |
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269 | serge | 258 | .err: |
247 | serge | 259 | .err_hdr: |
2434 | Serge | 260 | stdcall kernel_free, [file_base] |
247 | serge | 261 | .err_file: |
2434 | Serge | 262 | xor eax, eax |
263 | mov [application_table_status], eax |
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264 | mov eax, esi |
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2987 | Serge | 265 | .final: |
266 | cmp [SCR_MODE], word 0x13 |
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267 | jbe @f |
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268 | pushad |
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269 | stdcall set_cursor, [handle] |
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270 | mov [redrawmouse_unconditional], 1 |
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271 | call __sys_draw_pointer |
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272 | popad |
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273 | @@: |
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2434 | Serge | 274 | ret |
237 | serge | 275 | endp |
164 | serge | 276 | |
237 | serge | 277 | align 4 |
278 | test_app_header: |
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1074 | Galkov | 279 | virtual at eax |
2434 | Serge | 280 | APP_HEADER_00 APP_HEADER_00_ |
1074 | Galkov | 281 | end virtual |
282 | virtual at eax |
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2434 | Serge | 283 | APP_HEADER_01 APP_HEADER_01_ |
1074 | Galkov | 284 | end virtual |
164 | serge | 285 | |
2434 | Serge | 286 | cmp dword [eax], 'MENU' |
287 | jne .fail |
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288 | cmp word [eax+4], 'ET' |
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289 | jne .fail |
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164 | serge | 290 | |
2434 | Serge | 291 | cmp [eax+6], word '00' |
292 | jne .check_01_header |
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164 | serge | 293 | |
2434 | Serge | 294 | mov ecx, [APP_HEADER_00.start] |
295 | mov [ebx+0x08], ecx ;app_eip |
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296 | mov edx, [APP_HEADER_00.mem_size] |
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297 | mov [ebx+0x10], edx ;app_mem |
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298 | shr edx, 1 |
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299 | sub edx, 0x10 |
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300 | mov [ebx+0x0C], edx ;app_esp |
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301 | mov ecx, [APP_HEADER_00.i_param] |
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302 | mov [ebx], ecx ;app_cmdline |
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303 | mov [ebx+4], dword 0 ;app_path |
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304 | mov edx, [APP_HEADER_00.i_end] |
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305 | mov [ebx+0x14], edx |
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306 | ret |
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164 | serge | 307 | |
237 | serge | 308 | .check_01_header: |
164 | serge | 309 | |
2434 | Serge | 310 | cmp [eax+6], word '01' |
311 | je @f |
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312 | cmp [eax+6], word '02' |
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313 | jne .fail |
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1220 | serge | 314 | @@: |
2434 | Serge | 315 | mov ecx, [APP_HEADER_01.start] |
316 | mov [ebx+0x08], ecx ;app_eip |
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317 | mov edx, [APP_HEADER_01.mem_size] |
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381 | serge | 318 | |
319 | ; \begin{diamond}[20.08.2006] |
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320 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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321 | ; fit in allocated memory to prevent kernel faults) |
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2434 | Serge | 322 | cmp edx, [APP_HEADER_01.i_end] |
323 | jb .fail |
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381 | serge | 324 | ; \end{diamond}[20.08.2006] |
325 | |||
2434 | Serge | 326 | mov [ebx+0x10], edx ;app_mem |
327 | mov ecx, [APP_HEADER_01.stack_top] |
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328 | mov [ebx+0x0C], ecx ;app_esp |
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329 | mov edx, [APP_HEADER_01.i_param] |
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330 | mov [ebx], edx ;app_cmdline |
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331 | mov ecx, [APP_HEADER_01.i_icon] |
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332 | mov [ebx+4], ecx ;app_path |
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333 | mov edx, [APP_HEADER_01.i_end] |
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334 | mov [ebx+0x14], edx |
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335 | ret |
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237 | serge | 336 | .fail: |
2434 | Serge | 337 | xor eax, eax |
338 | ret |
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164 | serge | 339 | |
340 | align 4 |
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341 | proc get_new_process_place |
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342 | ;input: |
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343 | ; none |
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344 | ;result: |
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345 | ; eax=[new_process_place]<>0 - ok |
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346 | ; 0 - failed. |
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347 | ;This function find least empty slot. |
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348 | ;It doesn't increase [TASK_COUNT]! |
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2434 | Serge | 349 | mov eax, CURRENT_TASK |
350 | mov ebx, [TASK_COUNT] |
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351 | inc ebx |
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352 | shl ebx, 5 |
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353 | add ebx, eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 354 | .newprocessplace: |
355 | ;eax = address of process information for current slot |
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2434 | Serge | 356 | cmp eax, ebx |
357 | jz .endnewprocessplace ;empty slot after high boundary |
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358 | add eax, 0x20 |
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359 | cmp word [eax+0xa], 9;check process state, 9 means that process slot is empty |
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360 | jnz .newprocessplace |
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164 | serge | 361 | .endnewprocessplace: |
2434 | Serge | 362 | mov ebx, eax |
363 | sub eax, CURRENT_TASK |
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364 | shr eax, 5 ;calculate slot index |
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365 | cmp eax, 256 |
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366 | jge .failed ;it should be <256 |
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367 | mov word [ebx+0xa], 9;set process state to 9 (for slot after hight boundary) |
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368 | ret |
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164 | serge | 369 | .failed: |
2434 | Serge | 370 | xor eax, eax |
371 | ret |
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164 | serge | 372 | endp |
373 | |||
374 | align 4 |
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269 | serge | 375 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 376 | locals |
377 | app_pages dd ? |
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378 | img_pages dd ? |
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379 | dir_addr dd ? |
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380 | app_tabs dd ? |
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381 | endl |
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164 | serge | 382 | |
2434 | Serge | 383 | mov ecx, pg_data.mutex |
384 | call mutex_lock |
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164 | serge | 385 | |
2434 | Serge | 386 | xor eax, eax |
387 | mov [dir_addr], eax |
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164 | serge | 388 | |
2434 | Serge | 389 | mov eax, [app_size] |
390 | add eax, 4095 |
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391 | and eax, NOT(4095) |
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392 | mov [app_size], eax |
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393 | mov ebx, eax |
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394 | shr eax, 12 |
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395 | mov [app_pages], eax |
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170 | serge | 396 | |
2434 | Serge | 397 | add ebx, 0x3FFFFF |
398 | and ebx, NOT(0x3FFFFF) |
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399 | shr ebx, 22 |
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400 | mov [app_tabs], ebx |
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164 | serge | 401 | |
2434 | Serge | 402 | mov ecx, [img_size] |
403 | add ecx, 4095 |
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404 | and ecx, NOT(4095) |
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164 | serge | 405 | |
2434 | Serge | 406 | mov [img_size], ecx |
407 | shr ecx, 12 |
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408 | mov [img_pages], ecx |
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164 | serge | 409 | |
2130 | serge | 410 | if GREEDY_KERNEL |
2434 | Serge | 411 | lea eax, [ecx+ebx+2];only image size |
2130 | serge | 412 | else |
2434 | Serge | 413 | lea eax, [eax+ebx+2];all requested memory |
2130 | serge | 414 | end if |
2434 | Serge | 415 | cmp eax, [pg_data.pages_free] |
416 | ja .fail |
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170 | serge | 417 | |
2434 | Serge | 418 | call alloc_page |
419 | test eax, eax |
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420 | jz .fail |
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421 | mov [dir_addr], eax |
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422 | stdcall map_page, [tmp_task_pdir], eax, dword PG_SW |
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164 | serge | 423 | |
2434 | Serge | 424 | mov edi, [tmp_task_pdir] |
425 | mov ecx, (OS_BASE shr 20)/4 |
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426 | xor eax, eax |
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427 | cld |
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428 | rep stosd |
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465 | serge | 429 | |
2434 | Serge | 430 | mov ecx, (OS_BASE shr 20)/4 |
431 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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432 | rep movsd |
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164 | serge | 433 | |
2434 | Serge | 434 | mov eax, [dir_addr] |
435 | or eax, PG_SW |
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436 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 437 | |
2434 | Serge | 438 | and eax, -4096 |
439 | call set_cr3 |
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164 | serge | 440 | |
2434 | Serge | 441 | mov edx, [app_tabs] |
442 | mov edi, new_app_base |
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164 | serge | 443 | @@: |
2434 | Serge | 444 | call alloc_page |
445 | test eax, eax |
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446 | jz .fail |
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164 | serge | 447 | |
2434 | Serge | 448 | stdcall map_page_table, edi, eax |
449 | add edi, 0x00400000 |
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450 | dec edx |
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451 | jnz @B |
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164 | serge | 452 | |
2434 | Serge | 453 | mov edi, new_app_base |
454 | shr edi, 10 |
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455 | add edi, page_tabs |
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269 | serge | 456 | |
2434 | Serge | 457 | mov ecx, [app_tabs] |
458 | shl ecx, 10 |
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459 | xor eax, eax |
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460 | rep stosd |
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164 | serge | 461 | |
2434 | Serge | 462 | mov ecx, [img_pages] |
463 | mov ebx, PG_UW |
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464 | mov edx, new_app_base |
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465 | mov esi, [img_base] |
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466 | mov edi, new_app_base |
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467 | shr esi, 10 |
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468 | shr edi, 10 |
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469 | add esi, page_tabs |
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470 | add edi, page_tabs |
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269 | serge | 471 | .remap: |
2434 | Serge | 472 | lodsd |
473 | or eax, ebx; force user level r/w access |
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474 | stosd |
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475 | add edx, 0x1000 |
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476 | dec [app_pages] |
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477 | dec ecx |
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478 | jnz .remap |
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269 | serge | 479 | |
2434 | Serge | 480 | mov ecx, [app_pages] |
481 | test ecx, ecx |
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482 | jz .done |
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269 | serge | 483 | |
484 | if GREEDY_KERNEL |
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2434 | Serge | 485 | mov eax, 0x02 |
486 | rep stosd |
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269 | serge | 487 | else |
488 | |||
164 | serge | 489 | .alloc: |
2434 | Serge | 490 | call alloc_page |
491 | test eax, eax |
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492 | jz .fail |
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164 | serge | 493 | |
2434 | Serge | 494 | stdcall map_page, edx, eax, dword PG_UW |
495 | add edx, 0x1000 |
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496 | dec [app_pages] |
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497 | jnz .alloc |
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269 | serge | 498 | end if |
164 | serge | 499 | |
269 | serge | 500 | .done: |
2434 | Serge | 501 | stdcall map_page, [tmp_task_pdir], dword 0, dword PG_UNMAP |
164 | serge | 502 | |
2434 | Serge | 503 | mov ecx, pg_data.mutex |
504 | call mutex_unlock |
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505 | mov eax, [dir_addr] |
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506 | ret |
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164 | serge | 507 | .fail: |
2434 | Serge | 508 | mov ecx, pg_data.mutex |
509 | call mutex_unlock |
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510 | cmp [dir_addr], 0 |
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511 | je @f |
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512 | stdcall destroy_app_space, [dir_addr], 0 |
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164 | serge | 513 | @@: |
2434 | Serge | 514 | xor eax, eax |
515 | ret |
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164 | serge | 516 | endp |
517 | |||
518 | align 4 |
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519 | set_cr3: |
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465 | serge | 520 | |
2434 | Serge | 521 | mov ebx, [current_slot] |
522 | mov [ebx+APPDATA.dir_table], eax |
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523 | mov cr3, eax |
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524 | ret |
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164 | serge | 525 | |
526 | align 4 |
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527 | proc destroy_page_table stdcall, pg_tab:dword |
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528 | |||
2434 | Serge | 529 | push esi |
164 | serge | 530 | |
2434 | Serge | 531 | mov esi, [pg_tab] |
532 | mov ecx, 1024 |
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164 | serge | 533 | .free: |
2434 | Serge | 534 | mov eax, [esi] |
535 | test eax, 1 |
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536 | jz .next |
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537 | test eax, 1 shl 9 |
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538 | jnz .next ;skip shared pages |
||
539 | call free_page |
||
164 | serge | 540 | .next: |
2434 | Serge | 541 | add esi, 4 |
542 | dec ecx |
||
543 | jnz .free |
||
544 | pop esi |
||
545 | ret |
||
164 | serge | 546 | endp |
547 | |||
548 | align 4 |
||
1311 | diamond | 549 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 550 | |
2434 | Serge | 551 | xor edx, edx |
552 | push edx |
||
553 | mov eax, 0x2 |
||
554 | mov ebx, [pg_dir] |
||
164 | serge | 555 | .loop: |
556 | ;eax = current slot of process |
||
2434 | Serge | 557 | mov ecx, eax |
558 | shl ecx, 5 |
||
559 | cmp byte [CURRENT_TASK+ecx+0xa], 9;if process running? |
||
560 | jz @f ;skip empty slots |
||
561 | shl ecx, 3 |
||
562 | add ecx, SLOT_BASE |
||
563 | cmp [ecx+APPDATA.dir_table], ebx;compare page directory addresses |
||
564 | jnz @f |
||
565 | mov [ebp-4], ecx |
||
566 | inc edx ;thread found |
||
164 | serge | 567 | @@: |
2434 | Serge | 568 | inc eax |
569 | cmp eax, [TASK_COUNT] ;exit loop if we look through all processes |
||
570 | jle .loop |
||
164 | serge | 571 | |
572 | ;edx = number of threads |
||
573 | ;our process is zombi so it isn't counted |
||
2434 | Serge | 574 | pop ecx |
575 | cmp edx, 1 |
||
576 | jg .ret |
||
164 | serge | 577 | ;if there isn't threads then clear memory. |
2434 | Serge | 578 | mov esi, [dlls_list] |
579 | call destroy_all_hdlls;ecx=APPDATA |
||
164 | serge | 580 | |
2434 | Serge | 581 | mov ecx, pg_data.mutex |
582 | call mutex_lock |
||
1311 | diamond | 583 | |
2434 | Serge | 584 | mov eax, [pg_dir] |
585 | and eax, not 0xFFF |
||
586 | stdcall map_page, [tmp_task_pdir], eax, PG_SW |
||
587 | mov esi, [tmp_task_pdir] |
||
588 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 589 | .destroy: |
2434 | Serge | 590 | mov eax, [esi] |
591 | test eax, 1 |
||
592 | jz .next |
||
593 | and eax, not 0xFFF |
||
594 | stdcall map_page, [tmp_task_ptab], eax, PG_SW |
||
595 | stdcall destroy_page_table, [tmp_task_ptab] |
||
596 | mov eax, [esi] |
||
597 | call free_page |
||
164 | serge | 598 | .next: |
2434 | Serge | 599 | add esi, 4 |
600 | dec edi |
||
601 | jnz .destroy |
||
164 | serge | 602 | |
2434 | Serge | 603 | mov eax, [pg_dir] |
604 | call free_page |
||
164 | serge | 605 | .exit: |
2434 | Serge | 606 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
607 | stdcall map_page, [tmp_task_pdir], 0, PG_UNMAP |
||
608 | mov ecx, pg_data.mutex |
||
609 | call mutex_unlock |
||
1311 | diamond | 610 | .ret: |
2434 | Serge | 611 | ret |
164 | serge | 612 | endp |
613 | |||
520 | serge | 614 | align 4 |
615 | get_pid: |
||
2434 | Serge | 616 | mov eax, [TASK_BASE] |
617 | mov eax, [eax+TASKDATA.pid] |
||
618 | ret |
||
520 | serge | 619 | |
164 | serge | 620 | pid_to_slot: |
621 | ;Input: |
||
622 | ; eax - pid of process |
||
623 | ;Output: |
||
624 | ; eax - slot of process or 0 if process don't exists |
||
625 | ;Search process by PID. |
||
2434 | Serge | 626 | push ebx |
627 | push ecx |
||
628 | mov ebx, [TASK_COUNT] |
||
629 | shl ebx, 5 |
||
630 | mov ecx, 2*32 |
||
164 | serge | 631 | |
632 | .loop: |
||
633 | ;ecx=offset of current process info entry |
||
634 | ;ebx=maximum permitted offset |
||
2434 | Serge | 635 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
636 | jz .endloop ;skip empty slots |
||
637 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
638 | jz .pid_found |
||
164 | serge | 639 | .endloop: |
2434 | Serge | 640 | add ecx, 32 |
641 | cmp ecx, ebx |
||
642 | jle .loop |
||
164 | serge | 643 | |
2434 | Serge | 644 | pop ecx |
645 | pop ebx |
||
646 | xor eax, eax |
||
647 | ret |
||
164 | serge | 648 | |
649 | .pid_found: |
||
2434 | Serge | 650 | shr ecx, 5 |
651 | mov eax, ecx ;convert offset to index of slot |
||
652 | pop ecx |
||
653 | pop ebx |
||
654 | ret |
||
164 | serge | 655 | |
656 | check_region: |
||
657 | ;input: |
||
1329 | Lrz | 658 | ; esi - start of buffer |
659 | ; edx - size of buffer |
||
164 | serge | 660 | ;result: |
661 | ; eax = 1 region lays in app memory |
||
662 | ; eax = 0 region don't lays in app memory |
||
2434 | Serge | 663 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 664 | ; jmp check_process_region |
164 | serge | 665 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 666 | ;check_process_region: |
164 | serge | 667 | ;input: |
668 | ; eax - slot |
||
1329 | Lrz | 669 | ; esi - start of buffer |
670 | ; edx - size of buffer |
||
164 | serge | 671 | ;result: |
672 | ; eax = 1 region lays in app memory |
||
673 | ; eax = 0 region don't lays in app memory |
||
674 | |||
2434 | Serge | 675 | test edx, edx |
676 | jle .ok |
||
677 | shl eax, 5 |
||
678 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
679 | jnz .failed |
||
680 | shl eax, 3 |
||
681 | mov eax, [SLOT_BASE+eax+0xb8] |
||
682 | test eax, eax |
||
683 | jz .failed |
||
164 | serge | 684 | |
2434 | Serge | 685 | mov eax, 1 |
686 | ret |
||
164 | serge | 687 | |
688 | |||
689 | ; call MEM_Get_Linear_Address |
||
690 | ; push ebx |
||
691 | ; push ecx |
||
692 | ; push edx |
||
693 | ; mov edx,ebx |
||
694 | ; and edx,not (4096-1) |
||
695 | ; sub ebx,edx |
||
696 | ; add ecx,ebx |
||
697 | ; mov ebx,edx |
||
698 | ; add ecx,(4096-1) |
||
699 | ; and ecx,not (4096-1) |
||
700 | ;.loop: |
||
701 | ;;eax - linear address of page directory |
||
702 | ;;ebx - current page |
||
703 | ;;ecx - current size |
||
704 | ; mov edx,ebx |
||
705 | ; shr edx,22 |
||
706 | ; mov edx,[eax+4*edx] |
||
707 | ; and edx,not (4096-1) |
||
708 | ; test edx,edx |
||
709 | ; jz .failed1 |
||
710 | ; push eax |
||
711 | ; mov eax,edx |
||
712 | ; call MEM_Get_Linear_Address |
||
713 | ; mov edx,ebx |
||
714 | ; shr edx,12 |
||
715 | ; and edx,(1024-1) |
||
716 | ; mov eax,[eax+4*edx] |
||
717 | ; and eax,not (4096-1) |
||
718 | ; test eax,eax |
||
719 | ; pop eax |
||
720 | ; jz .failed1 |
||
721 | ; add ebx,4096 |
||
722 | ; sub ecx,4096 |
||
723 | ; jg .loop |
||
724 | ; pop edx |
||
725 | ; pop ecx |
||
726 | ; pop ebx |
||
727 | .ok: |
||
2434 | Serge | 728 | mov eax, 1 |
729 | ret |
||
164 | serge | 730 | ; |
731 | ;.failed1: |
||
732 | ; pop edx |
||
733 | ; pop ecx |
||
734 | ; pop ebx |
||
735 | .failed: |
||
2434 | Serge | 736 | xor eax, eax |
737 | ret |
||
164 | serge | 738 | |
739 | align 4 |
||
740 | proc read_process_memory |
||
741 | ;Input: |
||
742 | ; eax - process slot |
||
1329 | Lrz | 743 | ; ecx - buffer address |
744 | ; edx - buffer size |
||
745 | ; esi - start address in other process |
||
164 | serge | 746 | ;Output: |
747 | ; eax - number of bytes read. |
||
1074 | Galkov | 748 | locals |
749 | slot dd ? |
||
750 | buff dd ? |
||
751 | r_count dd ? |
||
752 | offset dd ? |
||
753 | tmp_r_cnt dd ? |
||
754 | endl |
||
164 | serge | 755 | |
2434 | Serge | 756 | mov [slot], eax |
757 | mov [buff], ecx |
||
758 | and [r_count], 0 |
||
759 | mov [tmp_r_cnt], edx |
||
760 | mov [offset], esi |
||
164 | serge | 761 | |
2434 | Serge | 762 | pushad |
164 | serge | 763 | .read_mem: |
2434 | Serge | 764 | mov edx, [offset] |
765 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 766 | |
2434 | Serge | 767 | mov ecx, 0x400000 |
768 | and edx, 0x3FFFFF |
||
769 | sub ecx, edx |
||
770 | cmp ecx, ebx |
||
771 | jbe @f |
||
772 | mov ecx, ebx |
||
164 | serge | 773 | @@: |
2434 | Serge | 774 | cmp ecx, 0x8000 |
775 | jna @F |
||
776 | mov ecx, 0x8000 |
||
164 | serge | 777 | @@: |
2434 | Serge | 778 | mov ebx, [offset] |
1220 | serge | 779 | |
2434 | Serge | 780 | push ecx |
781 | stdcall map_memEx, [proc_mem_map], \ |
||
782 | [slot], ebx, ecx, PG_MAP |
||
783 | pop ecx |
||
164 | serge | 784 | |
2434 | Serge | 785 | mov esi, [offset] |
786 | and esi, 0xfff |
||
787 | sub eax, esi |
||
788 | jbe .ret |
||
789 | cmp ecx, eax |
||
790 | jbe @f |
||
791 | mov ecx, eax |
||
792 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 793 | @@: |
2434 | Serge | 794 | add esi, [proc_mem_map] |
795 | mov edi, [buff] |
||
796 | mov edx, ecx |
||
797 | rep movsb |
||
798 | add [r_count], edx |
||
164 | serge | 799 | |
2434 | Serge | 800 | add [offset], edx |
801 | sub [tmp_r_cnt], edx |
||
802 | jnz .read_mem |
||
1314 | diamond | 803 | .ret: |
2434 | Serge | 804 | popad |
805 | mov eax, [r_count] |
||
806 | ret |
||
164 | serge | 807 | endp |
808 | |||
809 | align 4 |
||
810 | proc write_process_memory |
||
811 | ;Input: |
||
812 | ; eax - process slot |
||
1329 | Lrz | 813 | ; ecx - buffer address |
814 | ; edx - buffer size |
||
815 | ; esi - start address in other process |
||
164 | serge | 816 | ;Output: |
817 | ; eax - number of bytes written |
||
818 | |||
1074 | Galkov | 819 | locals |
820 | slot dd ? |
||
821 | buff dd ? |
||
822 | w_count dd ? |
||
823 | offset dd ? |
||
824 | tmp_w_cnt dd ? |
||
825 | endl |
||
164 | serge | 826 | |
2434 | Serge | 827 | mov [slot], eax |
828 | mov [buff], ecx |
||
829 | and [w_count], 0 |
||
830 | mov [tmp_w_cnt], edx |
||
831 | mov [offset], esi |
||
164 | serge | 832 | |
2434 | Serge | 833 | pushad |
164 | serge | 834 | .read_mem: |
2434 | Serge | 835 | mov edx, [offset] |
836 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 837 | |
2434 | Serge | 838 | mov ecx, 0x400000 |
839 | and edx, 0x3FFFFF |
||
840 | sub ecx, edx |
||
841 | cmp ecx, ebx |
||
842 | jbe @f |
||
843 | mov ecx, ebx |
||
164 | serge | 844 | @@: |
2434 | Serge | 845 | cmp ecx, 0x8000 |
846 | jna @F |
||
847 | mov ecx, 0x8000 |
||
164 | serge | 848 | @@: |
2434 | Serge | 849 | mov ebx, [offset] |
465 | serge | 850 | ; add ebx, new_app_base |
2434 | Serge | 851 | push ecx |
852 | stdcall map_memEx, [proc_mem_map], \ |
||
853 | [slot], ebx, ecx, PG_SW |
||
854 | pop ecx |
||
164 | serge | 855 | |
2434 | Serge | 856 | mov edi, [offset] |
857 | and edi, 0xfff |
||
858 | sub eax, edi |
||
859 | jbe .ret |
||
860 | cmp ecx, eax |
||
861 | jbe @f |
||
862 | mov ecx, eax |
||
863 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 864 | @@: |
2434 | Serge | 865 | add edi, [proc_mem_map] |
866 | mov esi, [buff] |
||
867 | mov edx, ecx |
||
868 | rep movsb |
||
164 | serge | 869 | |
2434 | Serge | 870 | add [w_count], edx |
871 | add [offset], edx |
||
872 | sub [tmp_w_cnt], edx |
||
873 | jnz .read_mem |
||
1314 | diamond | 874 | .ret: |
2434 | Serge | 875 | popad |
876 | mov eax, [w_count] |
||
877 | ret |
||
164 | serge | 878 | endp |
879 | |||
880 | align 4 |
||
881 | proc new_sys_threads |
||
1074 | Galkov | 882 | locals |
883 | slot dd ? |
||
884 | app_cmdline dd ? ;0x00 |
||
885 | app_path dd ? ;0x04 |
||
886 | app_eip dd ? ;0x08 |
||
887 | app_esp dd ? ;0x0C |
||
888 | app_mem dd ? ;0x10 |
||
889 | endl |
||
164 | serge | 890 | |
2434 | Serge | 891 | cmp ebx, 1 |
892 | jne .failed ;other subfunctions |
||
164 | serge | 893 | |
2434 | Serge | 894 | xor eax, eax |
895 | mov [app_eip], ecx |
||
896 | mov [app_cmdline], eax |
||
897 | mov [app_esp], edx |
||
898 | mov [app_path], eax |
||
1074 | Galkov | 899 | ;mov esi,new_process_loading |
900 | ;call sys_msg_board_str |
||
164 | serge | 901 | .wait_lock: |
2434 | Serge | 902 | cmp [application_table_status], 0 |
903 | je .get_lock |
||
904 | call change_task |
||
905 | jmp .wait_lock |
||
164 | serge | 906 | |
907 | .get_lock: |
||
2434 | Serge | 908 | mov eax, 1 |
909 | xchg eax, [application_table_status] |
||
910 | test eax, eax |
||
911 | jnz .wait_lock |
||
164 | serge | 912 | |
2434 | Serge | 913 | call set_application_table_status |
164 | serge | 914 | |
2434 | Serge | 915 | call get_new_process_place |
916 | test eax, eax |
||
917 | jz .failed |
||
164 | serge | 918 | |
2434 | Serge | 919 | mov [slot], eax |
164 | serge | 920 | |
2434 | Serge | 921 | mov esi, [current_slot] |
922 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 923 | |
2434 | Serge | 924 | mov edi, eax |
925 | shl edi, 8 |
||
926 | add edi, SLOT_BASE |
||
927 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
928 | mov ecx, 256/4 |
||
929 | xor eax, eax |
||
930 | cld |
||
931 | rep stosd ;clean extended information about new thread |
||
932 | mov esi, ebx |
||
933 | mov edi, edx |
||
934 | mov ecx, 11 |
||
935 | rep movsb ;copy process name |
||
164 | serge | 936 | |
2434 | Serge | 937 | mov eax, [ebx+APPDATA.heap_base] |
938 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 939 | |
2434 | Serge | 940 | mov ecx, [ebx+APPDATA.heap_top] |
941 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 942 | |
2434 | Serge | 943 | mov eax, [ebx+APPDATA.mem_size] |
944 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 945 | |
2434 | Serge | 946 | mov ecx, [ebx+APPDATA.dir_table] |
947 | mov [edx+APPDATA.dir_table], ecx;copy page directory |
||
237 | serge | 948 | |
2434 | Serge | 949 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
950 | mov [edx+APPDATA.dlls_list_ptr], eax |
||
1311 | diamond | 951 | |
2434 | Serge | 952 | mov eax, [ebx+APPDATA.tls_base] |
953 | test eax, eax |
||
954 | jz @F |
||
1220 | serge | 955 | |
2434 | Serge | 956 | push edx |
957 | stdcall user_alloc, 4096 |
||
958 | pop edx |
||
959 | test eax, eax |
||
960 | jz .failed1;eax=0 |
||
1220 | serge | 961 | @@: |
2434 | Serge | 962 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 963 | |
2434 | Serge | 964 | lea eax, [app_cmdline] |
965 | stdcall set_app_params , [slot], eax, dword 0, \ |
||
966 | dword 0,dword 0 |
||
237 | serge | 967 | |
1074 | Galkov | 968 | ;mov esi,new_process_running |
2434 | Serge | 969 | ;call sys_msg_board_str ;output information about succefull startup |
970 | xor eax, eax |
||
971 | mov [application_table_status], eax ;unlock application_table_status mutex |
||
972 | mov eax, [process_number] ;set result |
||
973 | ret |
||
164 | serge | 974 | .failed: |
2434 | Serge | 975 | xor eax, eax |
1322 | Lrz | 976 | .failed1: |
2434 | Serge | 977 | mov [application_table_status], eax |
978 | dec eax ;-1 |
||
979 | ret |
||
164 | serge | 980 | endp |
981 | |||
982 | align 4 |
||
1220 | serge | 983 | tls_app_entry: |
984 | |||
2434 | Serge | 985 | call init_heap |
1220 | serge | 986 | stdcall user_alloc, 4096 |
987 | |||
2434 | Serge | 988 | mov edx, [current_slot] |
989 | mov [edx+APPDATA.tls_base], eax |
||
990 | mov [tls_data_l+2], ax |
||
991 | shr eax, 16 |
||
992 | mov [tls_data_l+4], al |
||
993 | mov [tls_data_l+7], ah |
||
994 | mov dx, app_tls |
||
995 | mov fs, dx |
||
1220 | serge | 996 | popad |
997 | iretd |
||
998 | |||
999 | |||
1074 | Galkov | 1000 | EFL_IF equ 0x0200 |
465 | serge | 1001 | EFL_IOPL1 equ 0x1000 |
1002 | EFL_IOPL2 equ 0x2000 |
||
1003 | EFL_IOPL3 equ 0x3000 |
||
1004 | |||
1005 | |||
237 | serge | 1006 | align 4 |
1007 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 1008 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 1009 | |
1074 | Galkov | 1010 | locals |
1011 | pl0_stack dd ? |
||
1012 | endl |
||
237 | serge | 1013 | |
2434 | Serge | 1014 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1015 | mov [pl0_stack], eax |
||
357 | serge | 1016 | |
2434 | Serge | 1017 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1018 | |
2434 | Serge | 1019 | mov eax, [slot] |
1020 | mov ebx, eax |
||
357 | serge | 1021 | |
2434 | Serge | 1022 | shl eax, 8 |
1023 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1024 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1025 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3500 | Serge | 1026 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
357 | serge | 1027 | |
465 | serge | 1028 | ;set default io permission map |
2434 | Serge | 1029 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1030 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1031 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1032 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1033 | |
2434 | Serge | 1034 | mov esi, fpu_data |
1035 | mov ecx, 512/4 |
||
1036 | rep movsd |
||
237 | serge | 1037 | |
2434 | Serge | 1038 | cmp ebx, [TASK_COUNT] |
1039 | jle .noinc |
||
1040 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1041 | .noinc: |
2434 | Serge | 1042 | shl ebx, 8 |
1043 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1044 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1045 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 1046 | |
2434 | Serge | 1047 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1048 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1049 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 1050 | |
2434 | Serge | 1051 | mov ecx, [def_cursor] |
1052 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1053 | mov eax, [pl0_stack] |
||
1054 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1055 | add eax, RING0_STACK_SIZE |
||
1056 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1057 | |
2434 | Serge | 1058 | push ebx |
1059 | stdcall kernel_alloc, 0x1000 |
||
1060 | pop ebx |
||
1061 | mov esi, [current_slot] |
||
1062 | mov esi, [esi+APPDATA.cur_dir] |
||
1063 | mov ecx, 0x1000/4 |
||
1064 | mov edi, eax |
||
1065 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1066 | rep movsd |
||
521 | diamond | 1067 | |
2434 | Serge | 1068 | shr ebx, 3 |
1069 | mov eax, new_app_base |
||
1070 | mov dword [CURRENT_TASK+ebx+0x10], eax |
||
237 | serge | 1071 | |
1072 | .add_command_line: |
||
2434 | Serge | 1073 | mov edx, [params] |
1074 | mov edx, [edx] ;app_cmdline |
||
1075 | test edx, edx |
||
1076 | jz @f ;application doesn't need parameters |
||
281 | serge | 1077 | |
2434 | Serge | 1078 | mov eax, edx |
1079 | add eax, 256 |
||
1080 | jc @f |
||
281 | serge | 1081 | |
2434 | Serge | 1082 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1083 | ja @f |
||
281 | serge | 1084 | |
2434 | Serge | 1085 | mov byte [edx], 0 ;force empty string if no cmdline given |
1086 | mov eax, [cmd_line] |
||
1087 | test eax, eax |
||
1088 | jz @f |
||
1089 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1090 | @@: |
2434 | Serge | 1091 | mov edx, [params] |
1092 | mov edx, [edx+4];app_path |
||
1093 | test edx, edx |
||
1094 | jz @F ;application don't need path of file |
||
1095 | mov eax, edx |
||
1096 | add eax, 1024 |
||
1097 | jc @f |
||
1098 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1099 | ja @f |
||
1100 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1101 | @@: |
2434 | Serge | 1102 | mov ebx, [slot] |
1103 | mov eax, ebx |
||
1104 | shl ebx, 5 |
||
1105 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 1106 | |
2434 | Serge | 1107 | mov edx, irq0.return |
1108 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1109 | jne @F |
||
1110 | mov edx, tls_app_entry |
||
1220 | serge | 1111 | @@: |
237 | serge | 1112 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2434 | Serge | 1113 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1114 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1115 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1116 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 1117 | |
2434 | Serge | 1118 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 1119 | |
2434 | Serge | 1120 | inc dword [process_number] |
1121 | mov eax, [process_number] |
||
1122 | mov [ebx+4], eax ;set PID |
||
237 | serge | 1123 | |
1124 | ;set draw data to full screen |
||
2434 | Serge | 1125 | xor eax, eax |
1126 | mov [ecx+0], dword eax |
||
1127 | mov [ecx+4], dword eax |
||
1128 | mov eax, [Screen_Max_X] |
||
1129 | mov [ecx+8], eax |
||
1130 | mov eax, [Screen_Max_Y] |
||
1131 | mov [ecx+12], eax |
||
237 | serge | 1132 | |
2434 | Serge | 1133 | mov ebx, [pl0_stack] |
1134 | mov esi, [params] |
||
1135 | lea ecx, [ebx+REG_EIP] |
||
1136 | xor eax, eax |
||
237 | serge | 1137 | |
2434 | Serge | 1138 | mov [ebx+REG_RET], edx |
1139 | mov [ebx+REG_EDI], eax |
||
1140 | mov [ebx+REG_ESI], eax |
||
1141 | mov [ebx+REG_EBP], eax |
||
1142 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1143 | mov [ebx+REG_EBX], eax |
||
1144 | mov [ebx+REG_EDX], eax |
||
1145 | mov [ebx+REG_ECX], eax |
||
1146 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1147 | |
2434 | Serge | 1148 | mov eax, [esi+0x08] ;app_eip |
1149 | mov [ebx+REG_EIP], eax;app_entry |
||
1150 | mov [ebx+REG_CS], dword app_code |
||
3500 | Serge | 1151 | mov eax, [CURRENT_TASK] |
1152 | shl eax, 8 ; created by kernel? |
||
1153 | cmp [SLOT_BASE+eax+APPDATA.dir_table], sys_pgdir - OS_BASE |
||
1154 | jnz @f |
||
1155 | cmp [app_path], 0 ; it is a thread? |
||
1156 | jnz @f |
||
1157 | mov [ebx+REG_CS], dword os_code ; kernel thread |
||
1158 | @@: |
||
2434 | Serge | 1159 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
465 | serge | 1160 | |
2434 | Serge | 1161 | mov eax, [esi+0x0C] ;app_esp |
1162 | mov [ebx+REG_APP_ESP], eax;app_stack |
||
1163 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1164 | |
2434 | Serge | 1165 | lea ecx, [ebx+REG_RET] |
1166 | mov ebx, [slot] |
||
1167 | shl ebx, 5 |
||
1168 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1169 | |
2434 | Serge | 1170 | xor ecx, ecx; process state - running |
237 | serge | 1171 | ; set if debuggee |
2434 | Serge | 1172 | test byte [flags], 1 |
1173 | jz .no_debug |
||
1174 | inc ecx ; process state - suspended |
||
1175 | mov eax, [CURRENT_TASK] |
||
1176 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1177 | .no_debug: |
2434 | Serge | 1178 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1074 | Galkov | 1179 | ;mov esi,new_process_running |
1180 | ;call sys_msg_board_str ;output information about succefull startup |
||
2434 | Serge | 1181 | ret |
237 | serge | 1182 | endp |
1183 | |||
2010 | serge | 1184 | |
1185 | align 4 |
||
1186 | |||
1187 | get_stack_base: |
||
2434 | Serge | 1188 | mov eax, [current_slot] |
1189 | mov eax, [eax+APPDATA.pl0_stack] |
||
1190 | ret |
||
2010 | serge | 1191 | |
1192 | |||
164 | serge | 1193 | include "debug.inc"256 |