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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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6502 | pathoswith | 3 | ;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License. ;; |
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2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 8671 $ |
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9 | |||
10 | |||
7136 | dunkaist | 11 | GREEDY_KERNEL = 0 |
2288 | clevermous | 12 | |
2384 | hidnplayr | 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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2288 | clevermous | 21 | |
2384 | hidnplayr | 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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2288 | clevermous | 32 | |
6333 | serge | 33 | struct APP_HDR |
34 | cmdline rd 1 ;0x00 |
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35 | path rd 1 ;0x04 |
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36 | eip rd 1 ;0x08 |
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37 | esp rd 1 ;0x0C |
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38 | _edata rd 1 ;0x10 |
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39 | _emem rd 1 ;0x14 |
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40 | img_base rd 1 ;0x18 |
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41 | img_size rd 1 |
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42 | filename_size rd 1 |
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43 | cmdline_size rd 1 |
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6502 | pathoswith | 44 | path_string rd 1 |
2384 | hidnplayr | 45 | ends |
2288 | clevermous | 46 | |
47 | macro _clear_ op |
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48 | { mov ecx, op/4 |
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49 | xor eax, eax |
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50 | cld |
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51 | rep stosd |
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52 | } |
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53 | |||
6333 | serge | 54 | align 4 |
55 | _strnlen: |
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56 | mov edx, ecx |
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57 | xor eax, eax |
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58 | repne scasb |
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59 | jne @F |
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60 | inc ecx |
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61 | @@: |
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62 | mov eax, edx |
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63 | sub eax, ecx |
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64 | retn |
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65 | |||
2288 | clevermous | 66 | fs_execute_from_sysdir: |
67 | xor ebx, ebx |
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68 | fs_execute_from_sysdir_param: |
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6792 | pathoswith | 69 | stdcall kernel_alloc, maxPathLength |
70 | push eax ebx |
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71 | mov esi, ebp |
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72 | mov edi, eax |
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73 | xor eax, eax |
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74 | call getFullPath |
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75 | pop ecx ebx |
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2288 | clevermous | 76 | xor edx, edx |
77 | proc fs_execute |
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6792 | pathoswith | 78 | ; edx = flags |
79 | ; ecx -> cmdline |
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80 | ; ebx -> absolute file path |
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81 | ; eax = string length |
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6502 | pathoswith | 82 | locals |
83 | cmdline rd 1 |
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84 | flags rd 1 |
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8593 | rgimad | 85 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 86 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 87 | ; app header data |
88 | hdr_cmdline rd 1 |
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89 | hdr_path rd 1 |
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90 | hdr_eip rd 1 |
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91 | hdr_esp rd 1 |
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92 | hdr_edata rd 1 |
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93 | hdr_emem rd 1 |
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94 | file_base rd 1 |
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95 | file_size rd 1 |
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96 | filename_size rd 1 |
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97 | cmdline_size rd 1 |
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98 | path_string rd 1 |
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99 | endl |
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2288 | clevermous | 100 | |
6333 | serge | 101 | mov [flags], edx |
6792 | pathoswith | 102 | mov [cmdline], ecx |
103 | mov [path_string], ebx |
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104 | mov [filename_size], eax |
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105 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 106 | test eax, eax |
107 | jz .err_file |
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6792 | pathoswith | 108 | stdcall load_file, ebx |
2288 | clevermous | 109 | test eax, eax |
110 | jz .err_file |
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111 | |||
112 | mov [file_base], eax |
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113 | mov [file_size], ebx |
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114 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 115 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
2288 | clevermous | 116 | mov esi, -0x1F |
117 | test eax, eax |
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118 | jz .err_hdr |
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119 | |||
3534 | clevermous | 120 | call lock_application_table |
8592 | rgimad | 121 | call alloc_thread_slot ; create a slot for new thread |
6502 | pathoswith | 122 | mov esi, -0x20 ; too many processes |
2288 | clevermous | 123 | test eax, eax |
6333 | serge | 124 | jz .err_0 |
2288 | clevermous | 125 | |
126 | mov [slot], eax |
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127 | shl eax, 8 |
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6333 | serge | 128 | lea edi, [SLOT_BASE+eax] |
129 | mov [slot_base], edi |
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6502 | pathoswith | 130 | ; clean extended information about process |
8093 | dunkaist | 131 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 132 | xor eax, eax |
133 | cld |
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134 | rep stosd |
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8592 | rgimad | 135 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 136 | stdcall strrchr, [path_string], '/' |
137 | lea esi, [eax+1] ; -> name without path |
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138 | mov ecx, 11 |
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139 | mov edi, [slot_base] |
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2288 | clevermous | 140 | @@: |
6502 | pathoswith | 141 | call utf8to16 |
142 | call uni2ansi_char |
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2288 | clevermous | 143 | cmp al, '.' |
6502 | pathoswith | 144 | jz @f |
2288 | clevermous | 145 | test al, al |
6502 | pathoswith | 146 | jz @f |
2288 | clevermous | 147 | stosb |
6502 | pathoswith | 148 | loop @b |
149 | @@: |
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6333 | serge | 150 | mov edi, [cmdline] |
151 | xor eax, eax |
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152 | test edi, edi |
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6502 | pathoswith | 153 | jz @f |
6333 | serge | 154 | mov ecx, 65535 |
155 | call _strnlen |
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156 | cmp eax, 256 |
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6502 | pathoswith | 157 | jb @f |
8592 | rgimad | 158 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 159 | lea ebx, [eax+1] |
160 | add [hdr_emem], ebx |
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161 | @@: |
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162 | mov [cmdline_size], eax |
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8592 | rgimad | 163 | stdcall create_process, [hdr_emem] ; create a new process |
6502 | pathoswith | 164 | mov esi, -30 ; no memory |
2288 | clevermous | 165 | test eax, eax |
6333 | serge | 166 | jz .err_hdr |
2288 | clevermous | 167 | |
8592 | rgimad | 168 | ; add new process to the list |
6263 | serge | 169 | mov ebx, [sys_proc+LHEAD.prev] |
170 | __list_add eax, ebx, sys_proc |
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8592 | rgimad | 171 | ; fill the structure fields: |
6333 | serge | 172 | mov ebx, [hdr_emem] |
5130 | serge | 173 | mov [eax+PROC.mem_used], ebx |
8592 | rgimad | 174 | |
175 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 176 | mov ebx, [slot_base] |
5130 | serge | 177 | mov [ebx+APPDATA.process], eax |
8592 | rgimad | 178 | |
179 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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5130 | serge | 180 | lea edx, [ebx+APPDATA.list] |
181 | lea ecx, [eax+PROC.thr_list] |
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182 | list_add_tail edx, ecx |
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8592 | rgimad | 183 | |
184 | ; allocate space and copy app header data locals and cmdline string there, put pointer to exec_params of new thread |
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6502 | pathoswith | 185 | mov eax, [cmdline_size] |
186 | add eax, sizeof.APP_HDR |
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187 | stdcall kernel_alloc, eax |
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6333 | serge | 188 | mov [ebx+APPDATA.exec_params], eax |
189 | mov edi, eax |
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190 | lea esi, [hdr_cmdline] |
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191 | mov ecx, sizeof.APP_HDR/4 |
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192 | rep movsd |
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193 | mov ecx, [cmdline_size] |
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194 | mov esi, [cmdline] |
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195 | rep movsb |
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8592 | rgimad | 196 | ; set other parameters of application |
2288 | clevermous | 197 | lea eax, [hdr_cmdline] |
6333 | serge | 198 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 199 | mov eax, [process_number] ; return process number |
6333 | serge | 200 | call unlock_application_table |
201 | ret |
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2288 | clevermous | 202 | |
6333 | serge | 203 | .err_0: |
3534 | clevermous | 204 | call unlock_application_table |
2288 | clevermous | 205 | .err_hdr: |
206 | stdcall kernel_free, [file_base] |
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207 | .err_file: |
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6502 | pathoswith | 208 | stdcall kernel_free, [path_string] |
2288 | clevermous | 209 | mov eax, esi |
210 | ret |
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211 | endp |
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212 | |||
213 | align 4 |
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214 | test_app_header: |
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215 | virtual at eax |
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2384 | hidnplayr | 216 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 217 | end virtual |
218 | virtual at eax |
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2384 | hidnplayr | 219 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 220 | end virtual |
221 | |||
222 | cmp dword [eax], 'MENU' |
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223 | jne .fail |
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224 | cmp word [eax+4], 'ET' |
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225 | jne .fail |
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226 | |||
227 | cmp [eax+6], word '00' |
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228 | jne .check_01_header |
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229 | |||
230 | mov ecx, [APP_HEADER_00.start] |
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6333 | serge | 231 | mov [ebx+APP_HDR.eip], ecx |
2288 | clevermous | 232 | mov edx, [APP_HEADER_00.mem_size] |
6333 | serge | 233 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 234 | shr edx, 1 |
235 | sub edx, 0x10 |
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6333 | serge | 236 | mov [ebx+APP_HDR.esp], edx |
2288 | clevermous | 237 | mov ecx, [APP_HEADER_00.i_param] |
6333 | serge | 238 | mov [ebx+APP_HDR.cmdline], ecx |
239 | mov [ebx+APP_HDR.path], 0 |
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2288 | clevermous | 240 | mov edx, [APP_HEADER_00.i_end] |
6333 | serge | 241 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 242 | ret |
243 | |||
244 | .check_01_header: |
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245 | |||
246 | cmp [eax+6], word '01' |
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247 | je @f |
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248 | cmp [eax+6], word '02' |
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249 | jne .fail |
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250 | @@: |
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251 | mov ecx, [APP_HEADER_01.start] |
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6333 | serge | 252 | mov [ebx+0x08], ecx |
2288 | clevermous | 253 | mov edx, [APP_HEADER_01.mem_size] |
254 | |||
255 | ; \begin{diamond}[20.08.2006] |
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256 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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257 | ; fit in allocated memory to prevent kernel faults) |
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258 | cmp edx, [APP_HEADER_01.i_end] |
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259 | jb .fail |
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260 | ; \end{diamond}[20.08.2006] |
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261 | |||
6333 | serge | 262 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 263 | mov ecx, [APP_HEADER_01.stack_top] |
6333 | serge | 264 | mov [ebx+APP_HDR.esp], ecx |
2288 | clevermous | 265 | mov edx, [APP_HEADER_01.i_param] |
6333 | serge | 266 | mov [ebx+APP_HDR.cmdline], edx |
2288 | clevermous | 267 | mov ecx, [APP_HEADER_01.i_icon] |
6333 | serge | 268 | mov [ebx+APP_HDR.path], ecx |
2288 | clevermous | 269 | mov edx, [APP_HEADER_01.i_end] |
6333 | serge | 270 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 271 | ret |
272 | .fail: |
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273 | xor eax, eax |
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274 | ret |
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275 | |||
276 | align 4 |
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5130 | serge | 277 | alloc_thread_slot: |
2288 | clevermous | 278 | ;input: |
279 | ; none |
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280 | ;result: |
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5130 | serge | 281 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 282 | ; 0 - failed. |
283 | ;This function find least empty slot. |
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284 | ;It doesn't increase [TASK_COUNT]! |
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5130 | serge | 285 | |
286 | |||
287 | mov edx, thr_slot_map |
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288 | pushfd |
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289 | cli |
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290 | .l1: |
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291 | bsf eax, [edx] |
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292 | jnz .found |
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293 | add edx, 4 |
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294 | cmp edx, thr_slot_map+32 |
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295 | jb .l1 |
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296 | |||
297 | popfd |
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2288 | clevermous | 298 | xor eax, eax |
299 | ret |
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5130 | serge | 300 | .found: |
301 | btr [edx], eax |
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302 | sub edx, thr_slot_map |
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303 | lea eax, [eax+edx*8] |
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304 | popfd |
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305 | ret |
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2288 | clevermous | 306 | |
307 | align 4 |
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6333 | serge | 308 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 309 | locals |
5130 | serge | 310 | process dd ? |
2288 | clevermous | 311 | app_tabs dd ? |
312 | endl |
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313 | |||
5130 | serge | 314 | push ebx |
315 | push esi |
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316 | push edi |
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317 | |||
2288 | clevermous | 318 | xor eax, eax |
5130 | serge | 319 | mov [process], eax |
2288 | clevermous | 320 | |
321 | mov eax, [app_size] |
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6333 | serge | 322 | add eax, 0x3FFFFF |
323 | shr eax, 22 |
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324 | mov [app_tabs], eax |
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2288 | clevermous | 325 | |
5130 | serge | 326 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 327 | test eax, eax |
328 | jz .fail |
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5130 | serge | 329 | mov [process], eax |
2288 | clevermous | 330 | |
5130 | serge | 331 | lea edi, [eax+PROC.heap_lock] |
5595 | serge | 332 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5130 | serge | 333 | |
334 | list_init eax |
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335 | add eax, PROC.thr_list |
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336 | list_init eax |
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337 | |||
2288 | clevermous | 338 | xor eax, eax |
339 | cld |
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340 | rep stosd |
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341 | |||
5595 | serge | 342 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
343 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 344 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 345 | add edi, 8 |
346 | inc eax |
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5202 | serge | 347 | @@: |
348 | stosd |
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349 | inc eax |
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350 | cmp eax, ecx |
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351 | jbe @B |
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352 | |||
5130 | serge | 353 | mov eax, edi |
354 | call get_pg_addr |
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355 | mov [edi-4096+PROC.pdt_0_phys], eax |
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356 | |||
2288 | clevermous | 357 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 358 | xor eax, eax |
359 | rep stosd |
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360 | |||
361 | mov ecx, (OS_BASE shr 20)/4 |
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362 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2288 | clevermous | 363 | rep movsd |
364 | |||
5130 | serge | 365 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5356 | serge | 366 | or eax, PG_SWR |
2288 | clevermous | 367 | mov [edi-4096+(page_tabs shr 20)], eax |
368 | |||
6333 | serge | 369 | lea edx, [edi-4096] |
370 | mov esi, [app_tabs] |
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2288 | clevermous | 371 | |
6333 | serge | 372 | .alloc_page_dir: |
2288 | clevermous | 373 | call alloc_page |
374 | test eax, eax |
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375 | jz .fail |
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6333 | serge | 376 | or eax, PG_UWR |
377 | mov [edx], eax |
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2288 | clevermous | 378 | |
6333 | serge | 379 | mov edi, [tmp_task_ptab] |
380 | stdcall map_page, edi, eax, PG_SWR |
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381 | mov ecx, 1024 |
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2288 | clevermous | 382 | xor eax, eax |
383 | rep stosd |
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384 | |||
6333 | serge | 385 | add edx, 4 |
386 | dec esi |
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387 | jnz .alloc_page_dir |
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2288 | clevermous | 388 | |
6333 | serge | 389 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 390 | mov eax, [process] |
391 | |||
392 | pop edi |
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393 | pop esi |
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394 | pop ebx |
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2288 | clevermous | 395 | ret |
396 | .fail: |
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6333 | serge | 397 | mov ecx, [process] |
398 | jcxz @F |
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399 | |||
400 | call destroy_process |
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2288 | clevermous | 401 | @@: |
402 | xor eax, eax |
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5130 | serge | 403 | pop edi |
404 | pop esi |
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405 | pop ebx |
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2288 | clevermous | 406 | ret |
407 | endp |
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408 | |||
409 | align 4 |
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410 | proc destroy_page_table stdcall, pg_tab:dword |
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411 | |||
412 | push esi |
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413 | |||
414 | mov esi, [pg_tab] |
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415 | mov ecx, 1024 |
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416 | .free: |
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417 | mov eax, [esi] |
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418 | test eax, 1 |
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419 | jz .next |
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5130 | serge | 420 | test eax, 2 |
421 | jz .next |
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2288 | clevermous | 422 | test eax, 1 shl 9 |
423 | jnz .next ;skip shared pages |
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424 | call free_page |
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425 | .next: |
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426 | add esi, 4 |
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427 | dec ecx |
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428 | jnz .free |
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429 | pop esi |
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430 | ret |
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431 | endp |
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432 | |||
433 | align 4 |
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5130 | serge | 434 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 435 | |
5130 | serge | 436 | lea eax, [ecx+PROC.thr_list] |
437 | cmp eax, [eax+LHEAD.next] |
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438 | jne .exit |
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2288 | clevermous | 439 | |
5130 | serge | 440 | align 4 |
441 | .internal: |
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442 | push ecx |
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2288 | clevermous | 443 | |
6263 | serge | 444 | mov esi, ecx |
445 | list_del esi |
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446 | |||
447 | mov esi, [esi+PROC.dlls_list_ptr] |
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5130 | serge | 448 | call destroy_all_hdlls |
2288 | clevermous | 449 | |
5130 | serge | 450 | mov esi, [esp] |
451 | add esi, PROC.pdt_0 |
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452 | mov edi, (0x80000000 shr 20)/4 |
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2288 | clevermous | 453 | .destroy: |
454 | mov eax, [esi] |
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455 | test eax, 1 |
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456 | jz .next |
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457 | and eax, not 0xFFF |
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5356 | serge | 458 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 459 | stdcall destroy_page_table, [tmp_task_ptab] |
460 | mov eax, [esi] |
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461 | call free_page |
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462 | .next: |
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463 | add esi, 4 |
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464 | dec edi |
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465 | jnz .destroy |
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466 | |||
5130 | serge | 467 | call kernel_free ;ecx still in stack |
468 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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2288 | clevermous | 469 | .exit: |
470 | ret |
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471 | |||
472 | align 4 |
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473 | get_pid: |
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474 | mov eax, [TASK_BASE] |
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475 | mov eax, [eax+TASKDATA.pid] |
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476 | ret |
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477 | |||
478 | pid_to_slot: |
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479 | ;Input: |
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480 | ; eax - pid of process |
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481 | ;Output: |
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482 | ; eax - slot of process or 0 if process don't exists |
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483 | ;Search process by PID. |
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484 | push ebx |
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485 | push ecx |
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486 | mov ebx, [TASK_COUNT] |
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487 | shl ebx, 5 |
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488 | mov ecx, 2*32 |
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489 | |||
490 | .loop: |
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491 | ;ecx=offset of current process info entry |
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492 | ;ebx=maximum permitted offset |
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493 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
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494 | jz .endloop ;skip empty slots |
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495 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
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496 | jz .pid_found |
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497 | .endloop: |
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498 | add ecx, 32 |
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499 | cmp ecx, ebx |
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500 | jle .loop |
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501 | |||
502 | pop ecx |
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503 | pop ebx |
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504 | xor eax, eax |
||
505 | ret |
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506 | |||
507 | .pid_found: |
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508 | shr ecx, 5 |
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509 | mov eax, ecx ;convert offset to index of slot |
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510 | pop ecx |
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511 | pop ebx |
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512 | ret |
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513 | |||
514 | check_region: |
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515 | ;input: |
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516 | ; esi - start of buffer |
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517 | ; edx - size of buffer |
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518 | ;result: |
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519 | ; eax = 1 region lays in app memory |
||
520 | ; eax = 0 region don't lays in app memory |
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5130 | serge | 521 | |
522 | mov eax, 1 |
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523 | ret |
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524 | if 0 |
||
2288 | clevermous | 525 | mov eax, [CURRENT_TASK] |
526 | ; jmp check_process_region |
||
527 | ;----------------------------------------------------------------------------- |
||
528 | ;check_process_region: |
||
529 | ;input: |
||
530 | ; eax - slot |
||
531 | ; esi - start of buffer |
||
532 | ; edx - size of buffer |
||
533 | ;result: |
||
534 | ; eax = 1 region lays in app memory |
||
535 | ; eax = 0 region don't lays in app memory |
||
536 | |||
537 | test edx, edx |
||
538 | jle .ok |
||
539 | shl eax, 5 |
||
540 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
541 | jnz .failed |
||
542 | shl eax, 3 |
||
543 | mov eax, [SLOT_BASE+eax+0xb8] |
||
544 | test eax, eax |
||
545 | jz .failed |
||
546 | |||
547 | mov eax, 1 |
||
548 | ret |
||
549 | .ok: |
||
550 | mov eax, 1 |
||
551 | ret |
||
552 | .failed: |
||
553 | xor eax, eax |
||
554 | ret |
||
5130 | serge | 555 | end if |
2288 | clevermous | 556 | |
557 | align 4 |
||
558 | proc read_process_memory |
||
559 | ;Input: |
||
560 | ; eax - process slot |
||
561 | ; ecx - buffer address |
||
562 | ; edx - buffer size |
||
563 | ; esi - start address in other process |
||
564 | ;Output: |
||
565 | ; eax - number of bytes read. |
||
566 | locals |
||
567 | slot dd ? |
||
568 | buff dd ? |
||
569 | r_count dd ? |
||
570 | offset dd ? |
||
571 | tmp_r_cnt dd ? |
||
572 | endl |
||
573 | |||
574 | mov [slot], eax |
||
575 | mov [buff], ecx |
||
576 | and [r_count], 0 |
||
577 | mov [tmp_r_cnt], edx |
||
578 | mov [offset], esi |
||
579 | |||
580 | pushad |
||
581 | .read_mem: |
||
582 | mov edx, [offset] |
||
583 | mov ebx, [tmp_r_cnt] |
||
584 | |||
585 | mov ecx, 0x400000 |
||
586 | and edx, 0x3FFFFF |
||
587 | sub ecx, edx |
||
588 | cmp ecx, ebx |
||
589 | jbe @f |
||
590 | mov ecx, ebx |
||
591 | @@: |
||
592 | cmp ecx, 0x8000 |
||
593 | jna @F |
||
594 | mov ecx, 0x8000 |
||
595 | @@: |
||
596 | mov ebx, [offset] |
||
597 | |||
598 | push ecx |
||
599 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 600 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 601 | pop ecx |
602 | |||
603 | mov esi, [offset] |
||
604 | and esi, 0xfff |
||
605 | sub eax, esi |
||
606 | jbe .ret |
||
607 | cmp ecx, eax |
||
608 | jbe @f |
||
609 | mov ecx, eax |
||
610 | mov [tmp_r_cnt], eax |
||
611 | @@: |
||
612 | add esi, [proc_mem_map] |
||
613 | mov edi, [buff] |
||
614 | mov edx, ecx |
||
615 | rep movsb |
||
616 | add [r_count], edx |
||
617 | |||
618 | add [offset], edx |
||
619 | sub [tmp_r_cnt], edx |
||
620 | jnz .read_mem |
||
621 | .ret: |
||
622 | popad |
||
623 | mov eax, [r_count] |
||
624 | ret |
||
625 | endp |
||
626 | |||
627 | align 4 |
||
628 | proc write_process_memory |
||
629 | ;Input: |
||
630 | ; eax - process slot |
||
631 | ; ecx - buffer address |
||
632 | ; edx - buffer size |
||
633 | ; esi - start address in other process |
||
634 | ;Output: |
||
635 | ; eax - number of bytes written |
||
636 | |||
637 | locals |
||
638 | slot dd ? |
||
639 | buff dd ? |
||
640 | w_count dd ? |
||
641 | offset dd ? |
||
642 | tmp_w_cnt dd ? |
||
643 | endl |
||
644 | |||
645 | mov [slot], eax |
||
646 | mov [buff], ecx |
||
647 | and [w_count], 0 |
||
648 | mov [tmp_w_cnt], edx |
||
649 | mov [offset], esi |
||
650 | |||
651 | pushad |
||
652 | .read_mem: |
||
653 | mov edx, [offset] |
||
654 | mov ebx, [tmp_w_cnt] |
||
655 | |||
656 | mov ecx, 0x400000 |
||
657 | and edx, 0x3FFFFF |
||
658 | sub ecx, edx |
||
659 | cmp ecx, ebx |
||
660 | jbe @f |
||
661 | mov ecx, ebx |
||
662 | @@: |
||
663 | cmp ecx, 0x8000 |
||
664 | jna @F |
||
665 | mov ecx, 0x8000 |
||
666 | @@: |
||
667 | mov ebx, [offset] |
||
668 | push ecx |
||
669 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 670 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 671 | pop ecx |
672 | |||
673 | mov edi, [offset] |
||
674 | and edi, 0xfff |
||
675 | sub eax, edi |
||
676 | jbe .ret |
||
677 | cmp ecx, eax |
||
678 | jbe @f |
||
679 | mov ecx, eax |
||
680 | mov [tmp_w_cnt], eax |
||
681 | @@: |
||
682 | add edi, [proc_mem_map] |
||
683 | mov esi, [buff] |
||
684 | mov edx, ecx |
||
685 | rep movsb |
||
686 | |||
687 | add [w_count], edx |
||
688 | add [offset], edx |
||
689 | sub [tmp_w_cnt], edx |
||
690 | jnz .read_mem |
||
691 | .ret: |
||
692 | popad |
||
693 | mov eax, [w_count] |
||
694 | ret |
||
695 | endp |
||
696 | |||
4105 | Serge | 697 | ;ebx = 1 - kernel thread |
698 | ;ecx=thread entry point |
||
699 | ;edx=thread stack pointer |
||
700 | ;creation flags 0x01 - debugged |
||
701 | ; 0x02 - kernel |
||
702 | |||
2288 | clevermous | 703 | align 4 |
704 | proc new_sys_threads |
||
705 | locals |
||
4105 | Serge | 706 | slot dd ? |
707 | flags dd ? |
||
2288 | clevermous | 708 | app_cmdline dd ? ;0x00 |
709 | app_path dd ? ;0x04 |
||
710 | app_eip dd ? ;0x08 |
||
711 | app_esp dd ? ;0x0C |
||
712 | app_mem dd ? ;0x10 |
||
713 | endl |
||
714 | |||
4105 | Serge | 715 | shl ebx, 1 |
716 | mov [flags], ebx |
||
2288 | clevermous | 717 | |
718 | xor eax, eax |
||
719 | mov [app_eip], ecx |
||
720 | mov [app_cmdline], eax |
||
721 | mov [app_esp], edx |
||
722 | mov [app_path], eax |
||
4105 | Serge | 723 | |
3534 | clevermous | 724 | call lock_application_table |
2288 | clevermous | 725 | |
5130 | serge | 726 | call alloc_thread_slot |
2288 | clevermous | 727 | test eax, eax |
728 | jz .failed |
||
729 | |||
730 | mov [slot], eax |
||
731 | |||
732 | mov esi, [current_slot] |
||
733 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
734 | |||
735 | mov edi, eax |
||
736 | shl edi, 8 |
||
737 | add edi, SLOT_BASE |
||
738 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
8093 | dunkaist | 739 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 740 | xor eax, eax |
741 | cld |
||
742 | rep stosd ;clean extended information about new thread |
||
743 | mov esi, ebx |
||
744 | mov edi, edx |
||
745 | mov ecx, 11 |
||
746 | rep movsb ;copy process name |
||
747 | |||
748 | |||
749 | mov eax, [ebx+APPDATA.tls_base] |
||
750 | test eax, eax |
||
751 | jz @F |
||
752 | |||
753 | push edx |
||
754 | stdcall user_alloc, 4096 |
||
755 | pop edx |
||
756 | test eax, eax |
||
757 | jz .failed1;eax=0 |
||
758 | @@: |
||
759 | mov [edx+APPDATA.tls_base], eax |
||
760 | |||
6090 | serge | 761 | mov eax, [ebx+APPDATA.process] |
762 | mov [edx+APPDATA.process], eax |
||
763 | |||
764 | lea ebx, [edx+APPDATA.list] |
||
765 | lea ecx, [eax+PROC.thr_list] |
||
766 | list_add_tail ebx, ecx ;add thread to process child's list |
||
767 | |||
2288 | clevermous | 768 | lea eax, [app_cmdline] |
6333 | serge | 769 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 770 | |
771 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 772 | call unlock_application_table |
2288 | clevermous | 773 | ret |
774 | .failed: |
||
775 | xor eax, eax |
||
776 | .failed1: |
||
3534 | clevermous | 777 | call unlock_application_table |
2288 | clevermous | 778 | dec eax ;-1 |
779 | ret |
||
780 | endp |
||
781 | |||
6333 | serge | 782 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
783 | |||
784 | mov edx, [img_size] |
||
785 | mov esi, [file_base] |
||
786 | mov ecx, [file_size] |
||
787 | add edx, 4095 |
||
788 | add ecx, 4095 |
||
789 | shr edx, 12 ; total pages |
||
790 | shr ecx, 12 ; image pages |
||
791 | |||
792 | mov edi, page_tabs |
||
793 | shr esi, 10 |
||
794 | add esi, edi |
||
795 | |||
796 | .map_image: |
||
797 | lodsd |
||
798 | and eax, -4096 |
||
799 | or eax, PG_UWR |
||
800 | stosd |
||
801 | dec edx |
||
802 | loop .map_image |
||
803 | |||
804 | test edx, edx |
||
805 | jz .done |
||
806 | .map_bss: |
||
807 | call alloc_page |
||
808 | test eax, eax |
||
809 | jz .fail |
||
810 | |||
811 | or eax, PG_UWR |
||
812 | stosd |
||
813 | dec edx |
||
814 | jnz .map_bss |
||
815 | |||
816 | mov edi, [file_size] |
||
817 | mov ecx, [img_size] |
||
818 | add edi, 4095 |
||
819 | and edi, -4096 |
||
820 | add ecx, 4095 |
||
821 | and ecx, -4096 |
||
822 | sub ecx, edi |
||
823 | shr ecx, 2 |
||
824 | xor eax, eax |
||
825 | rep stosd |
||
826 | .done: |
||
827 | .fail: |
||
828 | ret |
||
829 | endp |
||
830 | |||
2288 | clevermous | 831 | align 4 |
6333 | serge | 832 | common_app_entry: |
833 | mov ebp, [current_slot] |
||
834 | mov ebp, [ebp+APPDATA.exec_params] |
||
835 | test ebp, ebp |
||
836 | jz .exit |
||
837 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
||
838 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
6502 | pathoswith | 839 | mov esi, [ebp+APP_HDR.path_string] |
6333 | serge | 840 | mov edi, [ebp+APP_HDR.path] |
6758 | pathoswith | 841 | mov ecx, [ebp+APP_HDR.filename_size] |
842 | cmp ecx, 1023 |
||
843 | jc @f |
||
844 | mov ecx, 1022 |
||
845 | @@: |
||
6502 | pathoswith | 846 | push esi |
847 | test edi, edi |
||
848 | jz @f |
||
8593 | rgimad | 849 | stdcall is_region_userspace, edi, [ebp+APP_HDR.filename_size] |
850 | jz @f |
||
6758 | pathoswith | 851 | mov al, '/' |
852 | stosb |
||
6502 | pathoswith | 853 | rep movsb |
854 | mov byte [edi], 0 |
||
6338 | serge | 855 | @@: |
6502 | pathoswith | 856 | call kernel_free |
6333 | serge | 857 | mov edi, [ebp+APP_HDR.cmdline] |
858 | test edi, edi |
||
859 | jz .check_tls_header |
||
6502 | pathoswith | 860 | lea esi, [ebp+sizeof.APP_HDR] |
861 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
6333 | serge | 862 | cmp ecx, 256 |
863 | jb .copy_cmdline |
||
864 | mov edi, [ebp+APP_HDR._emem] |
||
865 | add edi, 4095 |
||
866 | and edi, -4096 |
||
867 | sub edi, ecx |
||
868 | dec edi |
||
869 | cmp word [6], '00' |
||
6502 | pathoswith | 870 | jne @f |
6333 | serge | 871 | mov [APP_HEADER_00_.i_param], edi |
872 | jmp .copy_cmdline |
||
873 | @@: |
||
874 | mov [APP_HEADER_01_.i_param], edi |
||
875 | .copy_cmdline: |
||
8593 | rgimad | 876 | inc ecx ; keep in mind about 0 in the end |
877 | stdcall is_region_userspace, edi, ecx |
||
878 | jz .check_tls_header |
||
879 | dec ecx |
||
6333 | serge | 880 | rep movsb |
6502 | pathoswith | 881 | mov byte [edi], 0 |
6333 | serge | 882 | .check_tls_header: |
883 | cmp word [6], '02' |
||
8671 | Coldy | 884 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 885 | call init_heap |
886 | stdcall user_alloc, 4096 |
||
887 | mov edx, [current_slot] |
||
888 | mov [edx+APPDATA.tls_base], eax |
||
889 | mov [tls_data_l+2], ax |
||
890 | shr eax, 16 |
||
891 | mov [tls_data_l+4], al |
||
892 | mov [tls_data_l+7], ah |
||
893 | mov dx, app_tls |
||
8671 | Coldy | 894 | mov fs, dx |
895 | ; { Patch by Coldy, For DLL autoload |
||
896 | ; if APP_HEADER.version = 2 => lib/load dll.obj & change eip to APP_START_THUNK) |
||
897 | .try_load_dll: |
||
898 | ; TODO: It;s app, not thread? |
||
899 | |||
900 | ; Test app header version ( |
||
901 | mov ecx, dword[ebp+APP_HDR.img_base] |
||
902 | ;DEBUGF 1, "K : ecx = %d\n", [ecx+8] |
||
903 | cmp dword[ecx+8], 2 |
||
904 | jne .cleanup |
||
905 | DEBUGF 1, 'K : App header version 2\n' |
||
906 | ;DEBUGF 1, "K : DLL.OBJ path: %s\n", dll_lib_path |
||
907 | stdcall load_library, dll_lib_path, 0 |
||
908 | ;DEBUGF 1, "K : DLL.OBJ exp ptr: %x\n", eax |
||
909 | |||
910 | ;test eax, eax |
||
911 | ;jnz @f |
||
912 | cmp eax, 0 |
||
913 | jne @f |
||
914 | ; Something went wrong |
||
915 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
916 | stdcall kernel_free, ebp |
||
917 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!' |
||
918 | mov ebx, dll_error_msg |
||
919 | mov ebp, notifyapp |
||
920 | call fs_execute_from_sysdir_param |
||
921 | ; Terminate process |
||
922 | call sys_end |
||
923 | |||
924 | @@: |
||
925 | ; Find base of DLL.OBJ |
||
926 | ;mov ebx, eax |
||
927 | ;cdq |
||
928 | ;mov ecx, 0x00000400 |
||
929 | ;div ecx |
||
930 | ;sub ebx, edx |
||
931 | sub eax, 4 |
||
932 | mov eax, [eax] |
||
933 | ;DEBUGF 1, "K : DLL.OBJ base ptr: %x\n", eax |
||
934 | |||
935 | ; load_library don't map coff header, |
||
936 | ; so we may change entry point for app APP_START_THUNK |
||
937 | ; to base of DLL.OBJ |
||
938 | |||
939 | ;.change_eip: |
||
940 | mov ecx, [current_slot] |
||
941 | mov ecx, [ecx+APPDATA.pl0_stack] |
||
942 | ;DEBUGF 1, "K : EIP = %x\n", ebx |
||
943 | mov [ecx+REG_EIP], eax |
||
944 | |||
945 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 946 | .cleanup: |
947 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
948 | stdcall kernel_free, ebp |
||
6345 | serge | 949 | mov ebx, [current_slot] |
950 | cmp [ebx+APPDATA.debugger_slot], 0 |
||
951 | je .exit |
||
952 | mov eax, [TASK_BASE] |
||
953 | mov [eax+TASKDATA.state], 1 |
||
954 | call change_task |
||
6333 | serge | 955 | .exit: |
2288 | clevermous | 956 | popad |
957 | iretd |
||
958 | |||
7136 | dunkaist | 959 | EFL_IF = 0x0200 |
960 | EFL_IOPL1 = 0x1000 |
||
961 | EFL_IOPL2 = 0x2000 |
||
962 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 963 | |
964 | align 4 |
||
6333 | serge | 965 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 966 | |
967 | locals |
||
968 | pl0_stack dd ? |
||
969 | endl |
||
970 | |||
7124 | dunkaist | 971 | mov eax, [xsave_area_size] |
972 | add eax, RING0_STACK_SIZE |
||
973 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 974 | mov [pl0_stack], eax |
975 | |||
976 | lea edi, [eax+RING0_STACK_SIZE] |
||
977 | |||
978 | mov eax, [slot] |
||
979 | mov ebx, eax |
||
980 | |||
981 | shl eax, 8 |
||
982 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
983 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
984 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3296 | clevermous | 985 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
2288 | clevermous | 986 | |
987 | ;set default io permission map |
||
8093 | dunkaist | 988 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map] |
2288 | clevermous | 989 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
8093 | dunkaist | 990 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
2288 | clevermous | 991 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
992 | |||
993 | mov esi, fpu_data |
||
7165 | clevermous | 994 | mov ecx, [xsave_area_size] |
995 | add ecx, 3 |
||
996 | shr ecx, 2 |
||
2288 | clevermous | 997 | rep movsd |
998 | |||
7276 | dunkaist | 999 | cmp [TASK_COUNT], ebx |
1000 | adc dword [TASK_COUNT], 0 ; update number of processes |
||
2288 | clevermous | 1001 | shl ebx, 8 |
1002 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1003 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1004 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
1005 | |||
1006 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
||
1007 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1008 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
1009 | |||
1010 | mov ecx, [def_cursor] |
||
1011 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1012 | mov eax, [pl0_stack] |
||
1013 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1014 | add eax, RING0_STACK_SIZE |
||
1015 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
1016 | |||
1017 | push ebx |
||
6502 | pathoswith | 1018 | stdcall kernel_alloc, maxPathLength |
2288 | clevermous | 1019 | pop ebx |
1020 | mov esi, [current_slot] |
||
1021 | mov esi, [esi+APPDATA.cur_dir] |
||
6502 | pathoswith | 1022 | mov ecx, maxPathLength/4 |
2288 | clevermous | 1023 | mov edi, eax |
1024 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1025 | rep movsd |
||
1026 | |||
1027 | shr ebx, 3 |
||
6333 | serge | 1028 | mov dword [CURRENT_TASK+ebx+0x10], 0 |
2288 | clevermous | 1029 | |
1030 | mov ebx, [slot] |
||
1031 | mov eax, ebx |
||
1032 | shl ebx, 5 |
||
1033 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
1034 | |||
1035 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
1036 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
||
1037 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1038 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1039 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
1040 | |||
1041 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
||
1042 | |||
1043 | inc dword [process_number] |
||
1044 | mov eax, [process_number] |
||
1045 | mov [ebx+4], eax ;set PID |
||
1046 | |||
1047 | ;set draw data to full screen |
||
1048 | xor eax, eax |
||
1049 | mov [ecx+0], dword eax |
||
1050 | mov [ecx+4], dword eax |
||
5350 | serge | 1051 | mov eax, [screen_workarea.right] |
2288 | clevermous | 1052 | mov [ecx+8], eax |
5350 | serge | 1053 | mov eax, [screen_workarea.bottom] |
2288 | clevermous | 1054 | mov [ecx+12], eax |
1055 | |||
1056 | mov ebx, [pl0_stack] |
||
1057 | mov esi, [params] |
||
1058 | lea ecx, [ebx+REG_EIP] |
||
1059 | xor eax, eax |
||
1060 | |||
6333 | serge | 1061 | mov [ebx+REG_RET], dword common_app_entry |
2288 | clevermous | 1062 | mov [ebx+REG_EDI], eax |
1063 | mov [ebx+REG_ESI], eax |
||
1064 | mov [ebx+REG_EBP], eax |
||
1065 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1066 | mov [ebx+REG_EBX], eax |
||
1067 | mov [ebx+REG_EDX], eax |
||
1068 | mov [ebx+REG_ECX], eax |
||
1069 | mov [ebx+REG_EAX], eax |
||
1070 | |||
6333 | serge | 1071 | mov eax, [esi+APP_HDR.eip] |
1072 | mov [ebx+REG_EIP], eax |
||
2288 | clevermous | 1073 | mov [ebx+REG_CS], dword app_code |
3534 | clevermous | 1074 | mov ecx, USER_PRIORITY |
4105 | Serge | 1075 | |
1076 | test byte [flags], 2 |
||
1077 | jz @F |
||
1078 | |||
3325 | clevermous | 1079 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1080 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1081 | @@: |
2288 | clevermous | 1082 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1083 | |||
6333 | serge | 1084 | mov eax, [esi+APP_HDR.esp] |
1085 | mov [ebx+REG_APP_ESP], eax |
||
2288 | clevermous | 1086 | mov [ebx+REG_SS], dword app_data |
1087 | |||
3534 | clevermous | 1088 | lea edx, [ebx+REG_RET] |
2288 | clevermous | 1089 | mov ebx, [slot] |
1090 | shl ebx, 5 |
||
3534 | clevermous | 1091 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
2288 | clevermous | 1092 | |
3534 | clevermous | 1093 | xor edx, edx; process state - running |
2288 | clevermous | 1094 | ; set if debuggee |
1095 | test byte [flags], 1 |
||
1096 | jz .no_debug |
||
1097 | mov eax, [CURRENT_TASK] |
||
1098 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
1099 | .no_debug: |
||
3534 | clevermous | 1100 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1101 | lea edx, [SLOT_BASE+ebx*8] |
||
1102 | call scheduler_add_thread |
||
2288 | clevermous | 1103 | ret |
1104 | endp |
||
1105 | |||
1106 | align 4 |
||
1107 | get_stack_base: |
||
1108 | mov eax, [current_slot] |
||
1109 | mov eax, [eax+APPDATA.pl0_stack] |
||
1110 | ret |
||
1111 | |||
1112 | |||
1113 | include "debug.inc"> |