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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 1311 $ |
9 | |||
10 | |||
357 | serge | 11 | GREEDY_KERNEL equ 0 |
164 | serge | 12 | |
13 | struc 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 | } |
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21 | |||
22 | struc 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 | } |
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32 | |||
237 | serge | 33 | |
34 | struc APP_PARAMS |
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1074 | Galkov | 35 | { .app_cmdline ;0x00 |
36 | .app_path ;0x04 |
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37 | .app_eip ;0x08 |
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38 | .app_esp ;0x0C |
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39 | .app_mem ;0x10 |
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237 | serge | 40 | } |
41 | |||
42 | macro _clear_ op |
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43 | { mov ecx, op/4 |
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44 | xor eax, eax |
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45 | cld |
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46 | rep stosd |
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47 | } |
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48 | |||
521 | diamond | 49 | fs_execute_from_sysdir: |
1074 | Galkov | 50 | xor ebx, ebx |
51 | xor edx, edx |
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52 | mov esi, sysdir_path |
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363 | serge | 53 | |
164 | serge | 54 | align 4 |
363 | serge | 55 | proc fs_execute |
56 | |||
57 | ;fn_read:dword, file_size:dword, cluster:dword |
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58 | |||
59 | ; ebx - cmdline |
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60 | ; edx - flags |
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61 | ; ebp - full filename |
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62 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
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63 | |||
1074 | Galkov | 64 | locals |
65 | cmdline rd 64 ;256/4 |
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66 | filename rd 256 ;1024/4 |
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67 | flags dd ? |
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363 | serge | 68 | |
1074 | Galkov | 69 | save_cr3 dd ? |
70 | slot dd ? |
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71 | slot_base dd ? |
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72 | file_base dd ? |
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73 | file_size dd ? |
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74 | ;app header data |
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75 | hdr_cmdline dd ? ;0x00 |
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76 | hdr_path dd ? ;0x04 |
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77 | hdr_eip dd ? ;0x08 |
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78 | hdr_esp dd ? ;0x0C |
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79 | hdr_mem dd ? ;0x10 |
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80 | hdr_i_end dd ? ;0x14 |
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81 | endl |
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164 | serge | 82 | |
1074 | Galkov | 83 | pushad |
363 | serge | 84 | |
1074 | Galkov | 85 | mov [flags], edx |
363 | serge | 86 | |
87 | ; [ebp] pointer to filename |
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88 | |||
1074 | Galkov | 89 | lea edi, [filename] |
90 | lea ecx, [edi+1024] |
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91 | mov al, '/' |
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92 | stosb |
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521 | diamond | 93 | @@: |
1074 | Galkov | 94 | cmp edi, ecx |
95 | jae .bigfilename |
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96 | lodsb |
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97 | stosb |
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98 | test al, al |
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99 | jnz @b |
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100 | mov esi, [ebp] |
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101 | test esi, esi |
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102 | jz .namecopied |
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103 | mov byte [edi-1], '/' |
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521 | diamond | 104 | @@: |
1074 | Galkov | 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 | jmp .namecopied |
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521 | diamond | 112 | .bigfilename: |
1074 | Galkov | 113 | popad |
114 | mov eax, -ERROR_FILE_NOT_FOUND |
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115 | ret |
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1220 | serge | 116 | |
521 | diamond | 117 | .namecopied: |
363 | serge | 118 | |
1074 | Galkov | 119 | mov [cmdline], ebx |
120 | test ebx, ebx |
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121 | jz @F |
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519 | serge | 122 | |
1074 | Galkov | 123 | lea eax, [cmdline] |
124 | mov dword [eax+252], 0 |
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125 | stdcall strncpy, eax, ebx, 255 |
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519 | serge | 126 | @@: |
1074 | Galkov | 127 | lea eax, [filename] |
128 | stdcall load_file, eax |
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129 | mov ecx, -ERROR_FILE_NOT_FOUND |
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130 | test eax, eax |
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131 | jz .err_file |
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237 | serge | 132 | |
1074 | Galkov | 133 | mov [file_base], eax |
134 | mov [file_size], ebx |
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237 | serge | 135 | |
1074 | Galkov | 136 | lea ebx, [hdr_cmdline] |
137 | call test_app_header |
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138 | mov ecx, -0x1F |
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139 | test eax, eax |
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140 | jz .err_hdr |
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237 | serge | 141 | |
1074 | Galkov | 142 | ;mov esi, new_process_loading |
143 | ;call sys_msg_board_str ; write message to message board |
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237 | serge | 144 | |
145 | .wait_lock: |
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1074 | Galkov | 146 | cmp [application_table_status],0 |
147 | je .get_lock |
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148 | call change_task |
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149 | jmp .wait_lock |
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237 | serge | 150 | |
151 | .get_lock: |
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1074 | Galkov | 152 | mov eax, 1 |
153 | xchg eax, [application_table_status] |
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1260 | Lrz | 154 | test eax, eax |
155 | jnz .wait_lock |
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237 | serge | 156 | |
1074 | Galkov | 157 | call set_application_table_status |
237 | serge | 158 | |
1074 | Galkov | 159 | call get_new_process_place |
160 | test eax, eax |
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161 | mov ecx, -0x20 ; too many processes |
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162 | jz .err |
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237 | serge | 163 | |
1074 | Galkov | 164 | mov [slot], eax |
165 | shl eax, 8 |
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166 | add eax, SLOT_BASE |
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167 | mov [slot_base], eax |
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168 | mov edi, eax |
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169 | _clear_ 256 ;clean extended information about process |
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237 | serge | 170 | |
171 | ; write application name |
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1074 | Galkov | 172 | lea eax, [filename] |
173 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 174 | |
1074 | Galkov | 175 | lea esi, [eax+1] |
176 | test eax, eax |
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177 | jnz @F |
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178 | lea esi, [filename] |
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237 | serge | 179 | @@: |
1074 | Galkov | 180 | mov ecx, 8 ; 8 chars for name |
181 | mov edi, [slot_base] |
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237 | serge | 182 | .copy_process_name_loop: |
1074 | Galkov | 183 | lodsb |
184 | cmp al, '.' |
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185 | jz .copy_process_name_done |
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186 | test al, al |
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187 | jz .copy_process_name_done |
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188 | stosb |
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189 | loop .copy_process_name_loop |
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237 | serge | 190 | .copy_process_name_done: |
191 | |||
1074 | Galkov | 192 | mov ebx, cr3 |
193 | mov [save_cr3], ebx |
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269 | serge | 194 | |
1074 | Galkov | 195 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
196 | mov ecx, -30 ; no memory |
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197 | test eax, eax |
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198 | jz .failed |
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237 | serge | 199 | |
1074 | Galkov | 200 | mov ebx,[slot_base] |
201 | mov [ebx+APPDATA.dir_table],eax |
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202 | mov eax,[hdr_mem] |
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203 | mov [ebx+APPDATA.mem_size],eax |
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237 | serge | 204 | |
1220 | serge | 205 | xor edx, edx |
206 | cmp word [6], '02' |
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207 | jne @f |
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208 | |||
209 | not edx |
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210 | @@: |
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211 | mov [ebx+APPDATA.tls_base],edx |
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212 | |||
357 | serge | 213 | if GREEDY_KERNEL |
214 | else |
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1074 | Galkov | 215 | mov ecx, [hdr_mem] |
216 | mov edi, [file_size] |
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217 | add edi, 4095 |
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218 | and edi, not 4095 |
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219 | sub ecx, edi |
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220 | jna @F |
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269 | serge | 221 | |
1074 | Galkov | 222 | xor eax, eax |
1220 | serge | 223 | cld |
1074 | Galkov | 224 | rep stosb |
247 | serge | 225 | @@: |
269 | serge | 226 | end if |
227 | |||
228 | ; release only virtual space, not phisical memory |
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229 | |||
1074 | Galkov | 230 | stdcall free_kernel_space, [file_base] |
231 | lea eax, [hdr_cmdline] |
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232 | lea ebx, [cmdline] |
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233 | lea ecx, [filename] |
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234 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
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237 | serge | 235 | |
1074 | Galkov | 236 | mov eax, [save_cr3] |
237 | call set_cr3 |
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237 | serge | 238 | |
1074 | Galkov | 239 | xor ebx, ebx |
240 | mov [application_table_status],ebx ;unlock application_table_status mutex |
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241 | mov eax,[process_number] ;set result |
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242 | ret |
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237 | serge | 243 | .failed: |
1074 | Galkov | 244 | mov eax, [save_cr3] |
245 | call set_cr3 |
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269 | serge | 246 | .err: |
247 | serge | 247 | .err_hdr: |
1074 | Galkov | 248 | stdcall kernel_free,[file_base] |
247 | serge | 249 | .err_file: |
1074 | Galkov | 250 | xor eax, eax |
251 | mov [application_table_status],eax |
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252 | mov eax, ecx |
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253 | ret |
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237 | serge | 254 | endp |
164 | serge | 255 | |
237 | serge | 256 | align 4 |
257 | test_app_header: |
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1074 | Galkov | 258 | virtual at eax |
259 | APP_HEADER_00 APP_HEADER_00 |
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260 | end virtual |
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261 | virtual at eax |
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262 | APP_HEADER_01 APP_HEADER_01 |
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263 | end virtual |
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164 | serge | 264 | |
1074 | Galkov | 265 | cmp dword [eax], 'MENU' |
266 | jne .fail |
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267 | cmp word [eax+4],'ET' |
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268 | jne .fail |
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164 | serge | 269 | |
1074 | Galkov | 270 | cmp [eax+6], word '00' |
271 | jne .check_01_header |
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164 | serge | 272 | |
1074 | Galkov | 273 | mov ecx,[APP_HEADER_00.start] |
1220 | serge | 274 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 275 | mov edx,[APP_HEADER_00.mem_size] |
1220 | serge | 276 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 277 | shr edx,1 |
278 | sub edx,0x10 |
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1220 | serge | 279 | mov [ebx+0x0C], edx ;app_esp |
1074 | Galkov | 280 | mov ecx,[APP_HEADER_00.i_param] |
1220 | serge | 281 | mov [ebx], ecx ;app_cmdline |
282 | mov [ebx+4], dword 0 ;app_path |
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1074 | Galkov | 283 | mov edx, [APP_HEADER_00.i_end] |
284 | mov [ebx+0x14], edx |
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285 | ret |
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164 | serge | 286 | |
237 | serge | 287 | .check_01_header: |
164 | serge | 288 | |
1220 | serge | 289 | cmp [eax+6], word '01' |
290 | je @f |
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291 | cmp [eax+6], word '02' |
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292 | jne .fail |
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293 | @@: |
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1074 | Galkov | 294 | mov ecx,[APP_HEADER_01.start] |
1220 | serge | 295 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 296 | mov edx,[APP_HEADER_01.mem_size] |
381 | serge | 297 | |
298 | ; \begin{diamond}[20.08.2006] |
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299 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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300 | ; fit in allocated memory to prevent kernel faults) |
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1074 | Galkov | 301 | cmp edx,[APP_HEADER_01.i_end] |
302 | jb .fail |
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381 | serge | 303 | ; \end{diamond}[20.08.2006] |
304 | |||
1220 | serge | 305 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 306 | mov ecx,[APP_HEADER_01.stack_top] |
1220 | serge | 307 | mov [ebx+0x0C], ecx ;app_esp |
1074 | Galkov | 308 | mov edx,[APP_HEADER_01.i_param] |
1220 | serge | 309 | mov [ebx], edx ;app_cmdline |
1074 | Galkov | 310 | mov ecx,[APP_HEADER_01.i_icon] |
1220 | serge | 311 | mov [ebx+4], ecx ;app_path |
1074 | Galkov | 312 | mov edx, [APP_HEADER_01.i_end] |
313 | mov [ebx+0x14], edx |
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314 | ret |
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237 | serge | 315 | .fail: |
1074 | Galkov | 316 | xor eax, eax |
317 | ret |
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164 | serge | 318 | |
319 | align 4 |
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320 | proc get_new_process_place |
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321 | ;input: |
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322 | ; none |
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323 | ;result: |
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324 | ; eax=[new_process_place]<>0 - ok |
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325 | ; 0 - failed. |
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326 | ;This function find least empty slot. |
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327 | ;It doesn't increase [TASK_COUNT]! |
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1074 | Galkov | 328 | mov eax,CURRENT_TASK |
329 | mov ebx,[TASK_COUNT] |
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330 | inc ebx |
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331 | shl ebx,5 |
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332 | add ebx,eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 333 | .newprocessplace: |
334 | ;eax = address of process information for current slot |
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1074 | Galkov | 335 | cmp eax,ebx |
336 | jz .endnewprocessplace ;empty slot after high boundary |
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337 | add eax,0x20 |
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338 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
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339 | jnz .newprocessplace |
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164 | serge | 340 | .endnewprocessplace: |
1074 | Galkov | 341 | mov ebx,eax |
342 | sub eax,CURRENT_TASK |
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343 | shr eax,5 ;calculate slot index |
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344 | cmp eax,256 |
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345 | jge .failed ;it should be <256 |
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346 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
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347 | ret |
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164 | serge | 348 | .failed: |
1074 | Galkov | 349 | xor eax,eax |
350 | ret |
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164 | serge | 351 | endp |
352 | |||
353 | align 4 |
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269 | serge | 354 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 355 | locals |
356 | app_pages dd ? |
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357 | img_pages dd ? |
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358 | dir_addr dd ? |
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359 | app_tabs dd ? |
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360 | endl |
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164 | serge | 361 | |
1074 | Galkov | 362 | mov ebx, pg_data.pg_mutex |
363 | call wait_mutex ;ebx |
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164 | serge | 364 | |
1074 | Galkov | 365 | xor eax, eax |
366 | mov [dir_addr], eax |
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164 | serge | 367 | |
1074 | Galkov | 368 | mov eax, [app_size] |
369 | add eax, 4095 |
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370 | and eax, NOT(4095) |
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371 | mov [app_size], eax |
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372 | mov ebx, eax |
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373 | shr eax, 12 |
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374 | mov [app_pages], eax |
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170 | serge | 375 | |
1074 | Galkov | 376 | add ebx, 0x3FFFFF |
377 | and ebx, NOT(0x3FFFFF) |
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378 | shr ebx, 22 |
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379 | mov [app_tabs], ebx |
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164 | serge | 380 | |
1074 | Galkov | 381 | mov ecx, [img_size] |
382 | add ecx, 4095 |
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383 | and ecx, NOT(4095) |
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164 | serge | 384 | |
1074 | Galkov | 385 | mov [img_size], ecx |
386 | shr ecx, 12 |
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387 | mov [img_pages], ecx |
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164 | serge | 388 | |
170 | serge | 389 | if GREEDY_KERNEL |
1074 | Galkov | 390 | lea eax, [ecx+ebx+2] ;only image size |
170 | serge | 391 | else |
1074 | Galkov | 392 | lea eax, [eax+ebx+2] ;all requested memory |
170 | serge | 393 | end if |
1074 | Galkov | 394 | cmp eax, [pg_data.pages_free] |
395 | ja .fail |
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170 | serge | 396 | |
1074 | Galkov | 397 | call alloc_page |
398 | test eax, eax |
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399 | jz .fail |
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400 | mov [dir_addr], eax |
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401 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
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164 | serge | 402 | |
1074 | Galkov | 403 | mov edi, [tmp_task_pdir] |
404 | mov ecx, (OS_BASE shr 20)/4 |
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405 | xor eax, eax |
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406 | cld |
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407 | rep stosd |
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465 | serge | 408 | |
1074 | Galkov | 409 | mov ecx, (OS_BASE shr 20)/4 |
410 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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411 | rep movsd |
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164 | serge | 412 | |
1074 | Galkov | 413 | mov eax, [dir_addr] |
414 | or eax, PG_SW |
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415 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 416 | |
1074 | Galkov | 417 | and eax, -4096 |
418 | call set_cr3 |
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164 | serge | 419 | |
1074 | Galkov | 420 | mov edx, [app_tabs] |
421 | mov edi, new_app_base |
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164 | serge | 422 | @@: |
1074 | Galkov | 423 | call alloc_page |
424 | test eax, eax |
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425 | jz .fail |
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164 | serge | 426 | |
1074 | Galkov | 427 | stdcall map_page_table, edi, eax |
428 | add edi, 0x00400000 |
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429 | dec edx |
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430 | jnz @B |
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164 | serge | 431 | |
1074 | Galkov | 432 | mov edi, new_app_base |
433 | shr edi, 10 |
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434 | add edi, page_tabs |
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269 | serge | 435 | |
1074 | Galkov | 436 | mov ecx, [app_tabs] |
437 | shl ecx, 10 |
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438 | xor eax, eax |
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439 | rep stosd |
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164 | serge | 440 | |
1074 | Galkov | 441 | mov ecx, [img_pages] |
442 | mov ebx, PG_UW |
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443 | mov edx, new_app_base |
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444 | mov esi, [img_base] |
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445 | mov edi, new_app_base |
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446 | shr esi, 10 |
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447 | shr edi, 10 |
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448 | add esi, page_tabs |
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449 | add edi, page_tabs |
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269 | serge | 450 | .remap: |
1074 | Galkov | 451 | lodsd |
452 | or eax, ebx ; force user level r/w access |
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453 | stosd |
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454 | add edx, 0x1000 |
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455 | dec [app_pages] |
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456 | dec ecx |
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457 | jnz .remap |
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269 | serge | 458 | |
1074 | Galkov | 459 | mov ecx, [app_pages] |
460 | test ecx, ecx |
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461 | jz .done |
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269 | serge | 462 | |
463 | if GREEDY_KERNEL |
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1074 | Galkov | 464 | mov eax, 0x02 |
1220 | serge | 465 | rep stosd |
269 | serge | 466 | else |
467 | |||
164 | serge | 468 | .alloc: |
1074 | Galkov | 469 | call alloc_page |
470 | test eax, eax |
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471 | jz .fail |
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164 | serge | 472 | |
1074 | Galkov | 473 | stdcall map_page,edx,eax,dword PG_UW |
474 | add edx, 0x1000 |
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475 | dec [app_pages] |
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476 | jnz .alloc |
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269 | serge | 477 | end if |
164 | serge | 478 | |
269 | serge | 479 | .done: |
1074 | Galkov | 480 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
164 | serge | 481 | |
1074 | Galkov | 482 | dec [pg_data.pg_mutex] |
483 | mov eax, [dir_addr] |
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484 | ret |
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164 | serge | 485 | .fail: |
1074 | Galkov | 486 | dec [pg_data.pg_mutex] |
487 | cmp [dir_addr], 0 |
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488 | je @f |
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1311 | diamond | 489 | stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 490 | @@: |
1074 | Galkov | 491 | xor eax, eax |
492 | ret |
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164 | serge | 493 | endp |
494 | |||
495 | align 4 |
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496 | set_cr3: |
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465 | serge | 497 | |
1074 | Galkov | 498 | mov ebx, [current_slot] |
499 | mov [ebx+APPDATA.dir_table], eax |
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500 | mov cr3, eax |
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501 | ret |
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164 | serge | 502 | |
503 | align 4 |
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504 | proc destroy_page_table stdcall, pg_tab:dword |
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505 | |||
1074 | Galkov | 506 | push esi |
164 | serge | 507 | |
1074 | Galkov | 508 | mov esi, [pg_tab] |
509 | mov ecx, 1024 |
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164 | serge | 510 | .free: |
1074 | Galkov | 511 | mov eax, [esi] |
512 | test eax, 1 |
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513 | jz .next |
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819 | serge | 514 | test eax, 1 shl 9 |
515 | jnz .next ;skip shared pages |
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1074 | Galkov | 516 | call free_page |
164 | serge | 517 | .next: |
1074 | Galkov | 518 | add esi, 4 |
519 | dec ecx |
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520 | jnz .free |
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521 | pop esi |
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522 | ret |
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164 | serge | 523 | endp |
524 | |||
525 | align 4 |
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1311 | diamond | 526 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 527 | |
1074 | Galkov | 528 | xor edx,edx |
1311 | diamond | 529 | push edx |
1074 | Galkov | 530 | mov eax,0x2 |
531 | mov ebx, [pg_dir] |
||
164 | serge | 532 | .loop: |
533 | ;eax = current slot of process |
||
1074 | Galkov | 534 | mov ecx,eax |
535 | shl ecx,5 |
||
536 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
||
537 | jz @f ;skip empty slots |
||
538 | shl ecx,3 |
||
1311 | diamond | 539 | add ecx,SLOT_BASE |
540 | cmp [ecx+APPDATA.dir_table],ebx ;compare page directory addresses |
||
1074 | Galkov | 541 | jnz @f |
1311 | diamond | 542 | mov [ebp-4],ecx |
1074 | Galkov | 543 | inc edx ;thread found |
164 | serge | 544 | @@: |
1074 | Galkov | 545 | inc eax |
546 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
||
547 | jle .loop |
||
164 | serge | 548 | |
549 | ;edx = number of threads |
||
550 | ;our process is zombi so it isn't counted |
||
1311 | diamond | 551 | pop ecx |
1074 | Galkov | 552 | cmp edx,1 |
1311 | diamond | 553 | jg .ret |
164 | serge | 554 | ;if there isn't threads then clear memory. |
1311 | diamond | 555 | mov esi, [dlls_list] |
556 | call destroy_all_hdlls |
||
164 | serge | 557 | |
1311 | diamond | 558 | mov ebx, pg_data.pg_mutex |
559 | call wait_mutex ;ebx |
||
560 | |||
1074 | Galkov | 561 | mov eax, [pg_dir] |
562 | and eax, not 0xFFF |
||
1311 | diamond | 563 | stdcall map_page,[tmp_task_pdir],eax,PG_SW |
1074 | Galkov | 564 | mov esi, [tmp_task_pdir] |
565 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 566 | .destroy: |
1074 | Galkov | 567 | mov eax, [esi] |
568 | test eax, 1 |
||
569 | jz .next |
||
570 | and eax, not 0xFFF |
||
1311 | diamond | 571 | stdcall map_page,[tmp_task_ptab],eax,PG_SW |
1074 | Galkov | 572 | stdcall destroy_page_table, [tmp_task_ptab] |
573 | mov eax, [esi] |
||
574 | call free_page |
||
164 | serge | 575 | .next: |
1074 | Galkov | 576 | add esi, 4 |
577 | dec edi |
||
578 | jnz .destroy |
||
164 | serge | 579 | |
1074 | Galkov | 580 | mov eax, [pg_dir] |
581 | call free_page |
||
164 | serge | 582 | .exit: |
1311 | diamond | 583 | stdcall map_page,[tmp_task_ptab],0,PG_UNMAP |
584 | stdcall map_page,[tmp_task_pdir],0,PG_UNMAP |
||
1074 | Galkov | 585 | dec [pg_data.pg_mutex] |
1311 | diamond | 586 | .ret: |
1074 | Galkov | 587 | ret |
164 | serge | 588 | endp |
589 | |||
520 | serge | 590 | align 4 |
591 | get_pid: |
||
1074 | Galkov | 592 | mov eax, [TASK_BASE] |
1220 | serge | 593 | mov eax, [eax+TASKDATA.pid] |
1074 | Galkov | 594 | ret |
520 | serge | 595 | |
164 | serge | 596 | pid_to_slot: |
597 | ;Input: |
||
598 | ; eax - pid of process |
||
599 | ;Output: |
||
600 | ; eax - slot of process or 0 if process don't exists |
||
601 | ;Search process by PID. |
||
602 | push ebx |
||
603 | push ecx |
||
604 | mov ebx,[TASK_COUNT] |
||
605 | shl ebx,5 |
||
606 | mov ecx,2*32 |
||
607 | |||
608 | .loop: |
||
609 | ;ecx=offset of current process info entry |
||
610 | ;ebx=maximum permitted offset |
||
611 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
||
1074 | Galkov | 612 | jz .endloop ;skip empty slots |
164 | serge | 613 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
1074 | Galkov | 614 | jz .pid_found |
164 | serge | 615 | .endloop: |
616 | add ecx,32 |
||
617 | cmp ecx,ebx |
||
618 | jle .loop |
||
619 | |||
620 | pop ecx |
||
621 | pop ebx |
||
622 | xor eax,eax |
||
623 | ret |
||
624 | |||
625 | .pid_found: |
||
626 | shr ecx,5 |
||
1074 | Galkov | 627 | mov eax,ecx ;convert offset to index of slot |
164 | serge | 628 | pop ecx |
629 | pop ebx |
||
630 | ret |
||
631 | |||
632 | check_region: |
||
633 | ;input: |
||
634 | ; ebx - start of buffer |
||
635 | ; ecx - size of buffer |
||
636 | ;result: |
||
637 | ; eax = 1 region lays in app memory |
||
638 | ; eax = 0 region don't lays in app memory |
||
639 | mov eax,[CURRENT_TASK] |
||
640 | jmp check_process_region |
||
641 | ;----------------------------------------------------------------------------- |
||
642 | check_process_region: |
||
643 | ;input: |
||
644 | ; eax - slot |
||
645 | ; ebx - start of buffer |
||
646 | ; ecx - size of buffer |
||
647 | ;result: |
||
648 | ; eax = 1 region lays in app memory |
||
649 | ; eax = 0 region don't lays in app memory |
||
650 | |||
651 | test ecx,ecx |
||
652 | jle .ok |
||
653 | shl eax,5 |
||
654 | cmp word [CURRENT_TASK+eax+0xa],0 |
||
655 | jnz .failed |
||
656 | shl eax,3 |
||
380 | serge | 657 | mov eax,[SLOT_BASE+eax+0xb8] |
164 | serge | 658 | test eax,eax |
659 | jz .failed |
||
660 | |||
661 | mov eax,1 |
||
662 | ret |
||
663 | |||
664 | |||
665 | ; call MEM_Get_Linear_Address |
||
666 | ; push ebx |
||
667 | ; push ecx |
||
668 | ; push edx |
||
669 | ; mov edx,ebx |
||
670 | ; and edx,not (4096-1) |
||
671 | ; sub ebx,edx |
||
672 | ; add ecx,ebx |
||
673 | ; mov ebx,edx |
||
674 | ; add ecx,(4096-1) |
||
675 | ; and ecx,not (4096-1) |
||
676 | ;.loop: |
||
677 | ;;eax - linear address of page directory |
||
678 | ;;ebx - current page |
||
679 | ;;ecx - current size |
||
680 | ; mov edx,ebx |
||
681 | ; shr edx,22 |
||
682 | ; mov edx,[eax+4*edx] |
||
683 | ; and edx,not (4096-1) |
||
684 | ; test edx,edx |
||
685 | ; jz .failed1 |
||
686 | ; push eax |
||
687 | ; mov eax,edx |
||
688 | ; call MEM_Get_Linear_Address |
||
689 | ; mov edx,ebx |
||
690 | ; shr edx,12 |
||
691 | ; and edx,(1024-1) |
||
692 | ; mov eax,[eax+4*edx] |
||
693 | ; and eax,not (4096-1) |
||
694 | ; test eax,eax |
||
695 | ; pop eax |
||
696 | ; jz .failed1 |
||
697 | ; add ebx,4096 |
||
698 | ; sub ecx,4096 |
||
699 | ; jg .loop |
||
700 | ; pop edx |
||
701 | ; pop ecx |
||
702 | ; pop ebx |
||
703 | .ok: |
||
704 | mov eax,1 |
||
705 | ret |
||
706 | ; |
||
707 | ;.failed1: |
||
708 | ; pop edx |
||
709 | ; pop ecx |
||
710 | ; pop ebx |
||
711 | .failed: |
||
712 | xor eax,eax |
||
713 | ret |
||
714 | |||
715 | align 4 |
||
716 | proc read_process_memory |
||
717 | ;Input: |
||
718 | ; eax - process slot |
||
719 | ; ebx - buffer address |
||
720 | ; ecx - buffer size |
||
721 | ; edx - start address in other process |
||
722 | ;Output: |
||
723 | ; eax - number of bytes read. |
||
1074 | Galkov | 724 | locals |
725 | slot dd ? |
||
726 | buff dd ? |
||
727 | r_count dd ? |
||
728 | offset dd ? |
||
729 | tmp_r_cnt dd ? |
||
730 | endl |
||
164 | serge | 731 | |
1074 | Galkov | 732 | mov [slot], eax |
733 | mov [buff], ebx |
||
734 | and [r_count], 0 |
||
735 | mov [tmp_r_cnt], ecx |
||
736 | mov [offset], edx |
||
164 | serge | 737 | |
1074 | Galkov | 738 | pushad |
164 | serge | 739 | .read_mem: |
1074 | Galkov | 740 | mov edx, [offset] |
741 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 742 | |
1074 | Galkov | 743 | mov ecx, 0x400000 |
744 | and edx, 0x3FFFFF |
||
745 | sub ecx, edx |
||
746 | cmp ecx, ebx |
||
747 | jbe @f |
||
748 | mov ecx, ebx |
||
164 | serge | 749 | @@: |
1074 | Galkov | 750 | cmp ecx, 0x8000 |
751 | jna @F |
||
752 | mov ecx, 0x8000 |
||
164 | serge | 753 | @@: |
1074 | Galkov | 754 | mov eax, [slot] |
755 | shl eax,8 |
||
756 | mov ebx, [offset] |
||
1220 | serge | 757 | |
1074 | Galkov | 758 | push ecx |
759 | stdcall map_memEx, [proc_mem_map],\ |
||
760 | [SLOT_BASE+eax+0xB8],\ |
||
761 | ebx, ecx |
||
762 | pop ecx |
||
164 | serge | 763 | |
1074 | Galkov | 764 | mov esi, [offset] |
765 | and esi, 0xfff |
||
766 | add esi, [proc_mem_map] |
||
767 | mov edi, [buff] |
||
768 | mov edx, ecx |
||
769 | rep movsb |
||
770 | add [r_count], edx |
||
164 | serge | 771 | |
1074 | Galkov | 772 | add [offset], edx |
773 | sub [tmp_r_cnt], edx |
||
774 | jnz .read_mem |
||
164 | serge | 775 | |
1074 | Galkov | 776 | popad |
777 | mov eax, [r_count] |
||
778 | ret |
||
164 | serge | 779 | endp |
780 | |||
781 | align 4 |
||
782 | proc write_process_memory |
||
783 | ;Input: |
||
784 | ; eax - process slot |
||
785 | ; ebx - buffer address |
||
786 | ; ecx - buffer size |
||
787 | ; edx - start address in other process |
||
788 | ;Output: |
||
789 | ; eax - number of bytes written |
||
790 | |||
1074 | Galkov | 791 | locals |
792 | slot dd ? |
||
793 | buff dd ? |
||
794 | w_count dd ? |
||
795 | offset dd ? |
||
796 | tmp_w_cnt dd ? |
||
797 | endl |
||
164 | serge | 798 | |
1074 | Galkov | 799 | mov [slot], eax |
800 | mov [buff], ebx |
||
801 | and [w_count], 0 |
||
802 | mov [tmp_w_cnt], ecx |
||
803 | mov [offset], edx |
||
164 | serge | 804 | |
1074 | Galkov | 805 | pushad |
164 | serge | 806 | .read_mem: |
1074 | Galkov | 807 | mov edx, [offset] |
808 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 809 | |
1074 | Galkov | 810 | mov ecx, 0x400000 |
811 | and edx, 0x3FFFFF |
||
812 | sub ecx, edx |
||
813 | cmp ecx, ebx |
||
814 | jbe @f |
||
815 | mov ecx, ebx |
||
164 | serge | 816 | @@: |
1074 | Galkov | 817 | cmp ecx, 0x8000 |
818 | jna @F |
||
819 | mov ecx, 0x8000 |
||
164 | serge | 820 | @@: |
1074 | Galkov | 821 | mov eax, [slot] |
822 | shl eax,8 |
||
823 | mov ebx, [offset] |
||
465 | serge | 824 | ; add ebx, new_app_base |
1074 | Galkov | 825 | push ecx |
826 | stdcall map_memEx, [proc_mem_map],\ |
||
827 | [SLOT_BASE+eax+0xB8],\ |
||
828 | ebx, ecx |
||
829 | pop ecx |
||
164 | serge | 830 | |
1074 | Galkov | 831 | mov edi, [offset] |
832 | and edi, 0xfff |
||
833 | add edi, [proc_mem_map] |
||
834 | mov esi, [buff] |
||
835 | mov edx, ecx |
||
836 | rep movsb |
||
164 | serge | 837 | |
1074 | Galkov | 838 | add [w_count], edx |
839 | add [offset], edx |
||
840 | sub [tmp_w_cnt], edx |
||
841 | jnz .read_mem |
||
164 | serge | 842 | |
1074 | Galkov | 843 | popad |
844 | mov eax, [w_count] |
||
845 | ret |
||
164 | serge | 846 | endp |
847 | |||
848 | align 4 |
||
849 | proc new_sys_threads |
||
1074 | Galkov | 850 | locals |
851 | slot dd ? |
||
852 | app_cmdline dd ? ;0x00 |
||
853 | app_path dd ? ;0x04 |
||
854 | app_eip dd ? ;0x08 |
||
855 | app_esp dd ? ;0x0C |
||
856 | app_mem dd ? ;0x10 |
||
857 | endl |
||
164 | serge | 858 | |
1074 | Galkov | 859 | cmp eax,1 |
860 | jne .failed ;other subfunctions |
||
164 | serge | 861 | |
1074 | Galkov | 862 | xor eax,eax |
863 | mov [app_cmdline], eax |
||
864 | mov [app_path], eax |
||
865 | mov [app_eip], ebx |
||
866 | mov [app_esp], ecx |
||
164 | serge | 867 | |
1074 | Galkov | 868 | ;mov esi,new_process_loading |
869 | ;call sys_msg_board_str |
||
164 | serge | 870 | .wait_lock: |
1074 | Galkov | 871 | cmp [application_table_status],0 |
872 | je .get_lock |
||
873 | call change_task |
||
874 | jmp .wait_lock |
||
164 | serge | 875 | |
876 | .get_lock: |
||
1074 | Galkov | 877 | mov eax, 1 |
878 | xchg eax, [application_table_status] |
||
879 | cmp eax, 0 |
||
880 | jne .wait_lock |
||
164 | serge | 881 | |
1074 | Galkov | 882 | call set_application_table_status |
164 | serge | 883 | |
1074 | Galkov | 884 | call get_new_process_place |
885 | test eax, eax |
||
886 | jz .failed |
||
164 | serge | 887 | |
1074 | Galkov | 888 | mov [slot], eax |
164 | serge | 889 | |
1074 | Galkov | 890 | mov esi,[current_slot] |
891 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 892 | |
1074 | Galkov | 893 | mov edi, eax |
894 | shl edi,8 |
||
895 | add edi,SLOT_BASE |
||
896 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
||
897 | mov ecx,256/4 |
||
898 | xor eax, eax |
||
899 | cld |
||
900 | rep stosd ;clean extended information about new thread |
||
901 | mov esi,ebx |
||
902 | mov edi,edx |
||
903 | mov ecx,11 |
||
904 | rep movsb ;copy process name |
||
164 | serge | 905 | |
1074 | Galkov | 906 | mov eax,[ebx+APPDATA.heap_base] |
907 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 908 | |
1074 | Galkov | 909 | mov ecx,[ebx+APPDATA.heap_top] |
910 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 911 | |
1074 | Galkov | 912 | mov eax,[ebx+APPDATA.mem_size] |
913 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 914 | |
1074 | Galkov | 915 | mov ecx,[ebx+APPDATA.dir_table] |
1220 | serge | 916 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
237 | serge | 917 | |
1311 | diamond | 918 | mov eax,[ebx+APPDATA.dlls_list_ptr] |
919 | mov [edx+APPDATA.dlls_list_ptr],eax |
||
920 | |||
1220 | serge | 921 | mov eax, [ebx+APPDATA.tls_base] |
922 | test eax, eax |
||
923 | jz @F |
||
924 | |||
925 | push edx |
||
926 | stdcall user_alloc, 4096 |
||
927 | pop edx |
||
928 | test eax, eax |
||
929 | jz .failed |
||
930 | @@: |
||
931 | mov [edx+APPDATA.tls_base], eax |
||
932 | |||
1074 | Galkov | 933 | lea eax, [app_cmdline] |
934 | stdcall set_app_params ,[slot],eax,dword 0,\ |
||
935 | dword 0,dword 0 |
||
237 | serge | 936 | |
1074 | Galkov | 937 | ;mov esi,new_process_running |
1220 | serge | 938 | ;call sys_msg_board_str ;output information about succefull startup |
164 | serge | 939 | |
1220 | serge | 940 | mov [application_table_status],0 ;unlock application_table_status mutex |
941 | mov eax,[process_number] ;set result |
||
1074 | Galkov | 942 | ret |
164 | serge | 943 | .failed: |
1074 | Galkov | 944 | mov [application_table_status],0 |
945 | mov eax,-1 |
||
946 | ret |
||
164 | serge | 947 | endp |
948 | |||
276 | serge | 949 | ; param |
950 | ; ebx=mutex |
||
951 | |||
164 | serge | 952 | align 4 |
276 | serge | 953 | wait_mutex: |
1072 | diamond | 954 | ;;Maxis use atomic bts for mutex 4.4.2009 |
1074 | Galkov | 955 | push eax |
956 | push ebx |
||
321 | diamond | 957 | .do_wait: |
1072 | diamond | 958 | bts dword [ebx],0 |
959 | jnc .locked |
||
1074 | Galkov | 960 | call change_task |
961 | jmp .do_wait |
||
1072 | diamond | 962 | .locked: |
1074 | Galkov | 963 | pop ebx |
964 | pop eax |
||
965 | ret |
||
164 | serge | 966 | |
1220 | serge | 967 | align 4 |
968 | tls_app_entry: |
||
969 | |||
970 | call init_heap |
||
971 | stdcall user_alloc, 4096 |
||
972 | |||
973 | mov edx, [current_slot] |
||
974 | mov [edx+APPDATA.tls_base], eax |
||
975 | mov [tls_data_l+2],ax |
||
976 | shr eax,16 |
||
977 | mov [tls_data_l+4],al |
||
978 | mov [tls_data_l+7],ah |
||
979 | mov dx, app_tls |
||
980 | mov fs, dx |
||
981 | popad |
||
982 | iretd |
||
983 | |||
984 | |||
1074 | Galkov | 985 | EFL_IF equ 0x0200 |
465 | serge | 986 | EFL_IOPL1 equ 0x1000 |
987 | EFL_IOPL2 equ 0x2000 |
||
988 | EFL_IOPL3 equ 0x3000 |
||
989 | |||
990 | |||
237 | serge | 991 | align 4 |
992 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 993 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 994 | |
1074 | Galkov | 995 | locals |
996 | pl0_stack dd ? |
||
997 | endl |
||
237 | serge | 998 | |
1074 | Galkov | 999 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1000 | mov [pl0_stack], eax |
||
357 | serge | 1001 | |
1074 | Galkov | 1002 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1003 | |
1074 | Galkov | 1004 | mov eax, [slot] |
1005 | mov ebx, eax |
||
357 | serge | 1006 | |
1074 | Galkov | 1007 | shl eax, 8 |
1008 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1009 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1010 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
357 | serge | 1011 | |
465 | serge | 1012 | ;set default io permission map |
1310 | diamond | 1013 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1014 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1015 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1016 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1017 | |
1074 | Galkov | 1018 | mov esi, fpu_data |
1019 | mov ecx, 512/4 |
||
1020 | rep movsd |
||
237 | serge | 1021 | |
1074 | Galkov | 1022 | cmp ebx,[TASK_COUNT] |
1023 | jle .noinc |
||
1024 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1025 | .noinc: |
1074 | Galkov | 1026 | shl ebx,8 |
1027 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1028 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
||
1029 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
||
354 | serge | 1030 | |
1074 | Galkov | 1031 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1032 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
||
1033 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
||
237 | serge | 1034 | |
1074 | Galkov | 1035 | mov ecx, [def_cursor] |
1036 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
||
1037 | mov eax, [pl0_stack] |
||
1038 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
||
1039 | add eax, RING0_STACK_SIZE |
||
1040 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1041 | |
1074 | Galkov | 1042 | push ebx |
1043 | stdcall kernel_alloc, 0x1000 |
||
1044 | pop ebx |
||
1045 | mov esi,[current_slot] |
||
1046 | mov esi,[esi+APPDATA.cur_dir] |
||
1047 | mov ecx,0x1000/4 |
||
1048 | mov edi,eax |
||
1049 | mov [ebx+SLOT_BASE+APPDATA.cur_dir],eax |
||
1050 | rep movsd |
||
521 | diamond | 1051 | |
1074 | Galkov | 1052 | shr ebx,3 |
1053 | mov eax, new_app_base |
||
1054 | mov dword [CURRENT_TASK+ebx+0x10],eax |
||
237 | serge | 1055 | |
1056 | .add_command_line: |
||
1074 | Galkov | 1057 | mov edx,[params] |
1058 | mov edx,[edx] ;app_cmdline |
||
1059 | test edx,edx |
||
1060 | jz @f ;application doesn't need parameters |
||
281 | serge | 1061 | |
1074 | Galkov | 1062 | mov eax, edx |
1063 | add eax, 256 |
||
1064 | jc @f |
||
281 | serge | 1065 | |
1074 | Galkov | 1066 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1067 | ja @f |
||
281 | serge | 1068 | |
1074 | Galkov | 1069 | mov byte [edx], 0 ;force empty string if no cmdline given |
1070 | mov eax, [cmd_line] |
||
1071 | test eax, eax |
||
1072 | jz @f |
||
1073 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1074 | @@: |
1074 | Galkov | 1075 | mov edx,[params] |
1076 | mov edx, [edx+4] ;app_path |
||
1077 | test edx,edx |
||
1078 | jz @F ;application don't need path of file |
||
1079 | mov eax, edx |
||
1080 | add eax, 1024 |
||
1081 | jc @f |
||
1082 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1083 | ja @f |
||
1084 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1085 | @@: |
1074 | Galkov | 1086 | mov ebx,[slot] |
1087 | mov eax,ebx |
||
1088 | shl ebx,5 |
||
1089 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
||
465 | serge | 1090 | |
1220 | serge | 1091 | mov edx, irq0.return |
1092 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1093 | jne @F |
||
1094 | mov edx, tls_app_entry |
||
1095 | @@: |
||
237 | serge | 1096 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1074 | Galkov | 1097 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1098 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1099 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
||
1100 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
||
237 | serge | 1101 | |
1074 | Galkov | 1102 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
237 | serge | 1103 | |
1074 | Galkov | 1104 | inc dword [process_number] |
1105 | mov eax,[process_number] |
||
1106 | mov [ebx+4],eax ;set PID |
||
237 | serge | 1107 | |
1108 | ;set draw data to full screen |
||
1109 | |||
1074 | Galkov | 1110 | mov [ecx+0],dword 0 |
1111 | mov [ecx+4],dword 0 |
||
1112 | mov eax,[Screen_Max_X] |
||
1113 | mov [ecx+8],eax |
||
1114 | mov eax,[Screen_Max_Y] |
||
1115 | mov [ecx+12],eax |
||
237 | serge | 1116 | |
1074 | Galkov | 1117 | mov ebx, [pl0_stack] |
1118 | mov esi,[params] |
||
1119 | lea ecx, [ebx+REG_EIP] |
||
1120 | xor eax, eax |
||
237 | serge | 1121 | |
1220 | serge | 1122 | mov [ebx+REG_RET], edx |
1074 | Galkov | 1123 | mov [ebx+REG_EDI], eax |
1124 | mov [ebx+REG_ESI], eax |
||
1125 | mov [ebx+REG_EBP], eax |
||
1126 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
||
1127 | mov [ebx+REG_EBX], eax |
||
1128 | mov [ebx+REG_EDX], eax |
||
1129 | mov [ebx+REG_ECX], eax |
||
1130 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1131 | |
1074 | Galkov | 1132 | mov eax, [esi+0x08] ;app_eip |
1133 | mov [ebx+REG_EIP], eax ;app_entry |
||
1134 | mov [ebx+REG_CS], dword app_code |
||
1135 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
||
465 | serge | 1136 | |
1074 | Galkov | 1137 | mov eax, [esi+0x0C] ;app_esp |
1138 | mov [ebx+REG_APP_ESP], eax ;app_stack |
||
1139 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1140 | |
1074 | Galkov | 1141 | lea ecx, [ebx+REG_RET] |
1142 | mov ebx, [slot] |
||
1143 | shl ebx, 5 |
||
1144 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1145 | |
1074 | Galkov | 1146 | xor ecx, ecx ; process state - running |
237 | serge | 1147 | ; set if debuggee |
1074 | Galkov | 1148 | test byte [flags], 1 |
1149 | jz .no_debug |
||
1150 | inc ecx ; process state - suspended |
||
1151 | mov eax,[CURRENT_TASK] |
||
1152 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot],eax |
||
237 | serge | 1153 | .no_debug: |
1074 | Galkov | 1154 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1155 | ;mov esi,new_process_running |
||
1156 | ;call sys_msg_board_str ;output information about succefull startup |
||
1157 | ret |
||
237 | serge | 1158 | endp |
1159 | |||
164 | serge | 1160 | include "debug.inc"256 |