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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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9715 | Doczom | 3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
6502 | pathoswith | 4 | ;; Distributed under terms of the GNU General Public License. ;; |
2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 9932 $ |
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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 |
9031 | Boppan | 77 | ; @brief Executes a program |
78 | ; @param edx Flags |
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79 | ; @param ecx Commandline |
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80 | ; @param ebx Absolute file path |
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81 | ; @param eax String length |
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9032 | Boppan | 82 | ; @returns Negated error code or new process number |
2288 | clevermous | 83 | proc fs_execute |
6502 | pathoswith | 84 | locals |
85 | cmdline rd 1 |
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86 | flags rd 1 |
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8593 | rgimad | 87 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 88 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 89 | ; app header data |
90 | hdr_cmdline rd 1 |
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91 | hdr_path rd 1 |
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92 | hdr_eip rd 1 |
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93 | hdr_esp rd 1 |
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94 | hdr_edata rd 1 |
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95 | hdr_emem rd 1 |
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96 | file_base rd 1 |
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97 | file_size rd 1 |
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98 | filename_size rd 1 |
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99 | cmdline_size rd 1 |
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100 | path_string rd 1 |
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101 | endl |
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2288 | clevermous | 102 | |
9248 | Doczom | 103 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
6333 | serge | 104 | mov [flags], edx |
6792 | pathoswith | 105 | mov [cmdline], ecx |
106 | mov [path_string], ebx |
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107 | mov [filename_size], eax |
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108 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 109 | test eax, eax |
110 | jz .err_file |
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6792 | pathoswith | 111 | stdcall load_file, ebx |
2288 | clevermous | 112 | test eax, eax |
113 | jz .err_file |
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114 | |||
115 | mov [file_base], eax |
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116 | mov [file_size], ebx |
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117 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 118 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
9038 | Boppan | 119 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
2288 | clevermous | 120 | test eax, eax |
121 | jz .err_hdr |
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122 | |||
3534 | clevermous | 123 | call lock_application_table |
8592 | rgimad | 124 | call alloc_thread_slot ; create a slot for new thread |
9038 | Boppan | 125 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
2288 | clevermous | 126 | test eax, eax |
6333 | serge | 127 | jz .err_0 |
2288 | clevermous | 128 | |
129 | mov [slot], eax |
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9715 | Doczom | 130 | shl eax, BSF sizeof.APPDATA |
131 | lea edi, [SLOT_BASE + eax] |
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6333 | serge | 132 | mov [slot_base], edi |
6502 | pathoswith | 133 | ; clean extended information about process |
8093 | dunkaist | 134 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 135 | xor eax, eax |
136 | cld |
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137 | rep stosd |
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8592 | rgimad | 138 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 139 | stdcall strrchr, [path_string], '/' |
140 | lea esi, [eax+1] ; -> name without path |
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141 | mov ecx, 11 |
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142 | mov edi, [slot_base] |
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2288 | clevermous | 143 | @@: |
6502 | pathoswith | 144 | call utf8to16 |
145 | call uni2ansi_char |
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2288 | clevermous | 146 | cmp al, '.' |
6502 | pathoswith | 147 | jz @f |
2288 | clevermous | 148 | test al, al |
6502 | pathoswith | 149 | jz @f |
2288 | clevermous | 150 | stosb |
6502 | pathoswith | 151 | loop @b |
152 | @@: |
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6333 | serge | 153 | mov edi, [cmdline] |
154 | xor eax, eax |
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155 | test edi, edi |
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6502 | pathoswith | 156 | jz @f |
6333 | serge | 157 | mov ecx, 65535 |
158 | call _strnlen |
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159 | cmp eax, 256 |
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6502 | pathoswith | 160 | jb @f |
8592 | rgimad | 161 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 162 | lea ebx, [eax+1] |
163 | add [hdr_emem], ebx |
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164 | @@: |
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165 | mov [cmdline_size], eax |
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8592 | rgimad | 166 | stdcall create_process, [hdr_emem] ; create a new process |
9038 | Boppan | 167 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
2288 | clevermous | 168 | test eax, eax |
6333 | serge | 169 | jz .err_hdr |
2288 | clevermous | 170 | |
8592 | rgimad | 171 | ; add new process to the list |
9715 | Doczom | 172 | mov ebx, [sys_proc + LHEAD.prev] |
6263 | serge | 173 | __list_add eax, ebx, sys_proc |
8592 | rgimad | 174 | ; fill the structure fields: |
6333 | serge | 175 | mov ebx, [hdr_emem] |
9715 | Doczom | 176 | mov [eax + PROC.mem_used], ebx |
8592 | rgimad | 177 | |
178 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 179 | mov ebx, [slot_base] |
9715 | Doczom | 180 | mov [ebx + APPDATA.process], eax |
8592 | rgimad | 181 | |
182 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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9715 | Doczom | 183 | lea edx, [ebx + APPDATA.list] |
184 | lea ecx, [eax + PROC.thr_list] |
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5130 | serge | 185 | list_add_tail edx, ecx |
8592 | rgimad | 186 | |
187 | ; 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 | 188 | mov eax, [cmdline_size] |
189 | add eax, sizeof.APP_HDR |
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190 | stdcall kernel_alloc, eax |
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9715 | Doczom | 191 | mov [ebx + APPDATA.exec_params], eax |
6333 | serge | 192 | mov edi, eax |
193 | lea esi, [hdr_cmdline] |
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194 | mov ecx, sizeof.APP_HDR/4 |
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195 | rep movsd |
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196 | mov ecx, [cmdline_size] |
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197 | mov esi, [cmdline] |
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198 | rep movsb |
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8592 | rgimad | 199 | ; set other parameters of application |
2288 | clevermous | 200 | lea eax, [hdr_cmdline] |
6333 | serge | 201 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 202 | mov eax, [process_number] ; return process number |
6333 | serge | 203 | call unlock_application_table |
204 | ret |
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2288 | clevermous | 205 | |
6333 | serge | 206 | .err_0: |
3534 | clevermous | 207 | call unlock_application_table |
2288 | clevermous | 208 | .err_hdr: |
209 | stdcall kernel_free, [file_base] |
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210 | .err_file: |
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6502 | pathoswith | 211 | stdcall kernel_free, [path_string] |
2288 | clevermous | 212 | mov eax, esi |
213 | ret |
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214 | endp |
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215 | |||
216 | align 4 |
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217 | test_app_header: |
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218 | virtual at eax |
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2384 | hidnplayr | 219 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 220 | end virtual |
221 | virtual at eax |
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2384 | hidnplayr | 222 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 223 | end virtual |
224 | |||
225 | cmp dword [eax], 'MENU' |
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226 | jne .fail |
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227 | cmp word [eax+4], 'ET' |
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228 | jne .fail |
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229 | |||
230 | cmp [eax+6], word '00' |
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231 | jne .check_01_header |
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232 | |||
233 | mov ecx, [APP_HEADER_00.start] |
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9715 | Doczom | 234 | mov [ebx + APP_HDR.eip], ecx |
2288 | clevermous | 235 | mov edx, [APP_HEADER_00.mem_size] |
9715 | Doczom | 236 | mov [ebx + APP_HDR._emem], edx |
9794 | Doczom | 237 | |
238 | cmp edx, [APP_HEADER_00.i_end] |
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239 | jb .fail |
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240 | |||
241 | cmp edx, OS_BASE ;check memory |
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242 | jae .fail |
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243 | mov ecx, [pg_data.pages_free] |
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244 | shl ecx, 12 ; ecx * 4kb |
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245 | cmp edx, ecx |
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246 | jae .fail |
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247 | |||
2288 | clevermous | 248 | shr edx, 1 |
249 | sub edx, 0x10 |
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9715 | Doczom | 250 | mov [ebx + APP_HDR.esp], edx |
2288 | clevermous | 251 | mov ecx, [APP_HEADER_00.i_param] |
9715 | Doczom | 252 | mov [ebx + APP_HDR.cmdline], ecx |
253 | mov [ebx + APP_HDR.path], 0 |
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2288 | clevermous | 254 | mov edx, [APP_HEADER_00.i_end] |
9715 | Doczom | 255 | mov [ebx + APP_HDR._edata], edx |
2288 | clevermous | 256 | ret |
257 | |||
258 | .check_01_header: |
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259 | |||
260 | cmp [eax+6], word '01' |
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261 | je @f |
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262 | cmp [eax+6], word '02' |
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263 | jne .fail |
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264 | @@: |
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265 | mov ecx, [APP_HEADER_01.start] |
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9715 | Doczom | 266 | mov [ebx + 0x08], ecx |
2288 | clevermous | 267 | mov edx, [APP_HEADER_01.mem_size] |
268 | |||
269 | ; \begin{diamond}[20.08.2006] |
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270 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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271 | ; fit in allocated memory to prevent kernel faults) |
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272 | cmp edx, [APP_HEADER_01.i_end] |
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273 | jb .fail |
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274 | ; \end{diamond}[20.08.2006] |
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9794 | Doczom | 275 | cmp edx, OS_BASE ;check memory |
276 | jae .fail |
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277 | mov ecx, [pg_data.pages_free] |
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278 | shl ecx, 12 ; ecx * 4kb |
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279 | cmp edx, ecx |
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280 | jae .fail |
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2288 | clevermous | 281 | |
9715 | Doczom | 282 | mov [ebx + APP_HDR._emem], edx |
2288 | clevermous | 283 | mov ecx, [APP_HEADER_01.stack_top] |
9715 | Doczom | 284 | mov [ebx + APP_HDR.esp], ecx |
2288 | clevermous | 285 | mov edx, [APP_HEADER_01.i_param] |
9715 | Doczom | 286 | mov [ebx + APP_HDR.cmdline], edx |
2288 | clevermous | 287 | mov ecx, [APP_HEADER_01.i_icon] |
9715 | Doczom | 288 | mov [ebx + APP_HDR.path], ecx |
2288 | clevermous | 289 | mov edx, [APP_HEADER_01.i_end] |
9715 | Doczom | 290 | mov [ebx + APP_HDR._edata], edx |
2288 | clevermous | 291 | ret |
292 | .fail: |
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293 | xor eax, eax |
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294 | ret |
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295 | |||
296 | align 4 |
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5130 | serge | 297 | alloc_thread_slot: |
2288 | clevermous | 298 | ;input: |
299 | ; none |
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300 | ;result: |
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5130 | serge | 301 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 302 | ; 0 - failed. |
303 | ;This function find least empty slot. |
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8866 | rgimad | 304 | ;It doesn't increase [thread_count]! |
5130 | serge | 305 | |
306 | |||
307 | mov edx, thr_slot_map |
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308 | pushfd |
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309 | cli |
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310 | .l1: |
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311 | bsf eax, [edx] |
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312 | jnz .found |
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313 | add edx, 4 |
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9715 | Doczom | 314 | cmp edx, thr_slot_map + 32 |
5130 | serge | 315 | jb .l1 |
316 | |||
317 | popfd |
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2288 | clevermous | 318 | xor eax, eax |
319 | ret |
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5130 | serge | 320 | .found: |
321 | btr [edx], eax |
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322 | sub edx, thr_slot_map |
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9715 | Doczom | 323 | lea eax, [eax + edx*8] |
5130 | serge | 324 | popfd |
325 | ret |
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2288 | clevermous | 326 | |
327 | align 4 |
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6333 | serge | 328 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 329 | locals |
5130 | serge | 330 | process dd ? |
2288 | clevermous | 331 | app_tabs dd ? |
332 | endl |
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333 | |||
5130 | serge | 334 | push ebx |
335 | push esi |
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336 | push edi |
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337 | |||
2288 | clevermous | 338 | xor eax, eax |
5130 | serge | 339 | mov [process], eax |
2288 | clevermous | 340 | |
341 | mov eax, [app_size] |
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6333 | serge | 342 | add eax, 0x3FFFFF |
343 | shr eax, 22 |
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344 | mov [app_tabs], eax |
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2288 | clevermous | 345 | |
5130 | serge | 346 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 347 | test eax, eax |
348 | jz .fail |
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5130 | serge | 349 | mov [process], eax |
2288 | clevermous | 350 | |
9715 | Doczom | 351 | lea edi, [eax + PROC.heap_lock] |
352 | mov ecx, (PROC.ht_free - PROC.heap_lock)/4 |
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5130 | serge | 353 | |
354 | list_init eax |
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355 | add eax, PROC.thr_list |
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356 | list_init eax |
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357 | |||
2288 | clevermous | 358 | xor eax, eax |
359 | cld |
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360 | rep stosd |
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361 | |||
5595 | serge | 362 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
363 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 364 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 365 | add edi, 8 |
366 | inc eax |
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5202 | serge | 367 | @@: |
368 | stosd |
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369 | inc eax |
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370 | cmp eax, ecx |
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371 | jbe @B |
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372 | |||
5130 | serge | 373 | mov eax, edi |
374 | call get_pg_addr |
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9900 | Doczom | 375 | mov [edi - PAGE_SIZE + PROC.pdt_0_phys], eax |
5130 | serge | 376 | |
2288 | clevermous | 377 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 378 | xor eax, eax |
379 | rep stosd |
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380 | |||
381 | mov ecx, (OS_BASE shr 20)/4 |
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9715 | Doczom | 382 | mov esi, sys_proc + PROC.pdt_0 + (OS_BASE shr 20) |
2288 | clevermous | 383 | rep movsd |
384 | |||
9715 | Doczom | 385 | mov eax, [edi - 8192 + PROC.pdt_0_phys] |
5356 | serge | 386 | or eax, PG_SWR |
9900 | Doczom | 387 | mov [edi - PAGE_SIZE + (page_tabs shr 20)], eax |
2288 | clevermous | 388 | |
9900 | Doczom | 389 | lea edx, [edi - PAGE_SIZE] |
6333 | serge | 390 | mov esi, [app_tabs] |
2288 | clevermous | 391 | |
6333 | serge | 392 | .alloc_page_dir: |
2288 | clevermous | 393 | call alloc_page |
394 | test eax, eax |
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395 | jz .fail |
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6333 | serge | 396 | or eax, PG_UWR |
397 | mov [edx], eax |
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2288 | clevermous | 398 | |
6333 | serge | 399 | mov edi, [tmp_task_ptab] |
400 | stdcall map_page, edi, eax, PG_SWR |
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9932 | Doczom | 401 | mov ecx, PAGE_SIZE/4 |
2288 | clevermous | 402 | xor eax, eax |
403 | rep stosd |
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404 | |||
6333 | serge | 405 | add edx, 4 |
406 | dec esi |
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407 | jnz .alloc_page_dir |
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2288 | clevermous | 408 | |
6333 | serge | 409 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 410 | mov eax, [process] |
411 | |||
412 | pop edi |
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413 | pop esi |
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414 | pop ebx |
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2288 | clevermous | 415 | ret |
416 | .fail: |
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6333 | serge | 417 | mov ecx, [process] |
418 | jcxz @F |
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419 | |||
420 | call destroy_process |
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2288 | clevermous | 421 | @@: |
422 | xor eax, eax |
||
5130 | serge | 423 | pop edi |
424 | pop esi |
||
425 | pop ebx |
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2288 | clevermous | 426 | ret |
427 | endp |
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428 | |||
429 | align 4 |
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430 | proc destroy_page_table stdcall, pg_tab:dword |
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431 | |||
432 | push esi |
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433 | |||
434 | mov esi, [pg_tab] |
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435 | mov ecx, 1024 |
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436 | .free: |
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437 | mov eax, [esi] |
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438 | test eax, 1 |
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439 | jz .next |
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5130 | serge | 440 | test eax, 2 |
441 | jz .next |
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2288 | clevermous | 442 | test eax, 1 shl 9 |
443 | jnz .next ;skip shared pages |
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444 | call free_page |
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445 | .next: |
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446 | add esi, 4 |
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447 | dec ecx |
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448 | jnz .free |
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449 | pop esi |
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450 | ret |
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451 | endp |
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452 | |||
453 | align 4 |
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5130 | serge | 454 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 455 | |
5130 | serge | 456 | lea eax, [ecx+PROC.thr_list] |
457 | cmp eax, [eax+LHEAD.next] |
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458 | jne .exit |
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2288 | clevermous | 459 | |
5130 | serge | 460 | align 4 |
461 | .internal: |
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462 | push ecx |
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2288 | clevermous | 463 | |
6263 | serge | 464 | mov esi, ecx |
465 | list_del esi |
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466 | |||
9715 | Doczom | 467 | mov esi, [esi + PROC.dlls_list_ptr] |
5130 | serge | 468 | call destroy_all_hdlls |
2288 | clevermous | 469 | |
5130 | serge | 470 | mov esi, [esp] |
471 | add esi, PROC.pdt_0 |
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472 | mov edi, (0x80000000 shr 20)/4 |
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2288 | clevermous | 473 | .destroy: |
474 | mov eax, [esi] |
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475 | test eax, 1 |
||
476 | jz .next |
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9900 | Doczom | 477 | and eax, -PAGE_SIZE |
5356 | serge | 478 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 479 | stdcall destroy_page_table, [tmp_task_ptab] |
480 | mov eax, [esi] |
||
481 | call free_page |
||
482 | .next: |
||
483 | add esi, 4 |
||
484 | dec edi |
||
485 | jnz .destroy |
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486 | |||
5130 | serge | 487 | call kernel_free ;ecx still in stack |
488 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
||
2288 | clevermous | 489 | .exit: |
490 | ret |
||
491 | |||
492 | align 4 |
||
493 | get_pid: |
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9613 | Doczom | 494 | mov eax, [current_slot] |
9715 | Doczom | 495 | mov eax, [eax + APPDATA.tid] |
2288 | clevermous | 496 | ret |
497 | |||
498 | pid_to_slot: |
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499 | ;Input: |
||
500 | ; eax - pid of process |
||
501 | ;Output: |
||
502 | ; eax - slot of process or 0 if process don't exists |
||
503 | ;Search process by PID. |
||
504 | push ebx |
||
505 | push ecx |
||
8866 | rgimad | 506 | mov ebx, [thread_count] |
9709 | Doczom | 507 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
8851 | rgimad | 508 | ; skip first process in the task table |
9709 | Doczom | 509 | mov ecx, sizeof.APPDATA |
2288 | clevermous | 510 | |
511 | .loop: |
||
8851 | rgimad | 512 | ;ecx = offset of current process info entry |
513 | ;ebx = maximum permitted offset |
||
9709 | Doczom | 514 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
2288 | clevermous | 515 | jz .endloop ;skip empty slots |
9715 | Doczom | 516 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
9692 | Doczom | 517 | jz .pid_found |
2288 | clevermous | 518 | .endloop: |
9709 | Doczom | 519 | add ecx, sizeof.APPDATA |
2288 | clevermous | 520 | cmp ecx, ebx |
521 | jle .loop |
||
522 | |||
523 | pop ecx |
||
524 | pop ebx |
||
525 | xor eax, eax |
||
526 | ret |
||
527 | |||
528 | .pid_found: |
||
9709 | Doczom | 529 | shr ecx, BSF sizeof.APPDATA ; divide by size |
2288 | clevermous | 530 | mov eax, ecx ;convert offset to index of slot |
531 | pop ecx |
||
532 | pop ebx |
||
533 | ret |
||
534 | |||
5130 | serge | 535 | |
2288 | clevermous | 536 | align 4 |
537 | proc read_process_memory |
||
538 | ;Input: |
||
539 | ; eax - process slot |
||
540 | ; ecx - buffer address |
||
541 | ; edx - buffer size |
||
542 | ; esi - start address in other process |
||
543 | ;Output: |
||
544 | ; eax - number of bytes read. |
||
545 | locals |
||
546 | slot dd ? |
||
547 | buff dd ? |
||
548 | r_count dd ? |
||
549 | offset dd ? |
||
550 | tmp_r_cnt dd ? |
||
551 | endl |
||
552 | |||
553 | mov [slot], eax |
||
554 | mov [buff], ecx |
||
555 | and [r_count], 0 |
||
556 | mov [tmp_r_cnt], edx |
||
557 | mov [offset], esi |
||
558 | |||
559 | pushad |
||
560 | .read_mem: |
||
561 | mov edx, [offset] |
||
562 | mov ebx, [tmp_r_cnt] |
||
563 | |||
564 | mov ecx, 0x400000 |
||
565 | and edx, 0x3FFFFF |
||
566 | sub ecx, edx |
||
567 | cmp ecx, ebx |
||
568 | jbe @f |
||
569 | mov ecx, ebx |
||
570 | @@: |
||
571 | cmp ecx, 0x8000 |
||
572 | jna @F |
||
573 | mov ecx, 0x8000 |
||
574 | @@: |
||
575 | mov ebx, [offset] |
||
576 | |||
577 | push ecx |
||
578 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 579 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 580 | pop ecx |
581 | |||
582 | mov esi, [offset] |
||
583 | and esi, 0xfff |
||
584 | sub eax, esi |
||
585 | jbe .ret |
||
586 | cmp ecx, eax |
||
587 | jbe @f |
||
588 | mov ecx, eax |
||
589 | mov [tmp_r_cnt], eax |
||
590 | @@: |
||
591 | add esi, [proc_mem_map] |
||
592 | mov edi, [buff] |
||
593 | mov edx, ecx |
||
594 | rep movsb |
||
595 | add [r_count], edx |
||
596 | |||
597 | add [offset], edx |
||
598 | sub [tmp_r_cnt], edx |
||
599 | jnz .read_mem |
||
600 | .ret: |
||
601 | popad |
||
602 | mov eax, [r_count] |
||
603 | ret |
||
604 | endp |
||
605 | |||
606 | align 4 |
||
607 | proc write_process_memory |
||
608 | ;Input: |
||
609 | ; eax - process slot |
||
610 | ; ecx - buffer address |
||
611 | ; edx - buffer size |
||
612 | ; esi - start address in other process |
||
613 | ;Output: |
||
614 | ; eax - number of bytes written |
||
615 | |||
616 | locals |
||
617 | slot dd ? |
||
618 | buff dd ? |
||
619 | w_count dd ? |
||
620 | offset dd ? |
||
621 | tmp_w_cnt dd ? |
||
622 | endl |
||
623 | |||
624 | mov [slot], eax |
||
625 | mov [buff], ecx |
||
626 | and [w_count], 0 |
||
627 | mov [tmp_w_cnt], edx |
||
628 | mov [offset], esi |
||
629 | |||
630 | pushad |
||
631 | .read_mem: |
||
632 | mov edx, [offset] |
||
633 | mov ebx, [tmp_w_cnt] |
||
634 | |||
635 | mov ecx, 0x400000 |
||
636 | and edx, 0x3FFFFF |
||
637 | sub ecx, edx |
||
638 | cmp ecx, ebx |
||
639 | jbe @f |
||
640 | mov ecx, ebx |
||
641 | @@: |
||
642 | cmp ecx, 0x8000 |
||
643 | jna @F |
||
644 | mov ecx, 0x8000 |
||
645 | @@: |
||
646 | mov ebx, [offset] |
||
647 | push ecx |
||
648 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 649 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 650 | pop ecx |
651 | |||
652 | mov edi, [offset] |
||
653 | and edi, 0xfff |
||
654 | sub eax, edi |
||
655 | jbe .ret |
||
656 | cmp ecx, eax |
||
657 | jbe @f |
||
658 | mov ecx, eax |
||
659 | mov [tmp_w_cnt], eax |
||
660 | @@: |
||
661 | add edi, [proc_mem_map] |
||
662 | mov esi, [buff] |
||
663 | mov edx, ecx |
||
664 | rep movsb |
||
665 | |||
666 | add [w_count], edx |
||
667 | add [offset], edx |
||
668 | sub [tmp_w_cnt], edx |
||
669 | jnz .read_mem |
||
670 | .ret: |
||
671 | popad |
||
672 | mov eax, [w_count] |
||
673 | ret |
||
674 | endp |
||
675 | |||
4105 | Serge | 676 | ;ebx = 1 - kernel thread |
677 | ;ecx=thread entry point |
||
678 | ;edx=thread stack pointer |
||
679 | ;creation flags 0x01 - debugged |
||
680 | ; 0x02 - kernel |
||
681 | |||
2288 | clevermous | 682 | align 4 |
683 | proc new_sys_threads |
||
684 | locals |
||
4105 | Serge | 685 | slot dd ? |
686 | flags dd ? |
||
2288 | clevermous | 687 | app_cmdline dd ? ;0x00 |
688 | app_path dd ? ;0x04 |
||
689 | app_eip dd ? ;0x08 |
||
690 | app_esp dd ? ;0x0C |
||
691 | app_mem dd ? ;0x10 |
||
692 | endl |
||
693 | |||
4105 | Serge | 694 | shl ebx, 1 |
695 | mov [flags], ebx |
||
2288 | clevermous | 696 | |
697 | xor eax, eax |
||
698 | mov [app_eip], ecx |
||
699 | mov [app_cmdline], eax |
||
700 | mov [app_esp], edx |
||
701 | mov [app_path], eax |
||
4105 | Serge | 702 | |
3534 | clevermous | 703 | call lock_application_table |
2288 | clevermous | 704 | |
5130 | serge | 705 | call alloc_thread_slot |
2288 | clevermous | 706 | test eax, eax |
707 | jz .failed |
||
708 | |||
709 | mov [slot], eax |
||
710 | |||
711 | mov esi, [current_slot] |
||
712 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
713 | |||
714 | mov edi, eax |
||
9715 | Doczom | 715 | shl edi, BSF sizeof.APPDATA |
2288 | clevermous | 716 | add edi, SLOT_BASE |
717 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
8093 | dunkaist | 718 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 719 | xor eax, eax |
720 | cld |
||
721 | rep stosd ;clean extended information about new thread |
||
722 | mov esi, ebx |
||
723 | mov edi, edx |
||
724 | mov ecx, 11 |
||
725 | rep movsb ;copy process name |
||
726 | |||
727 | |||
9715 | Doczom | 728 | mov eax, [ebx + APPDATA.tls_base] |
2288 | clevermous | 729 | test eax, eax |
730 | jz @F |
||
731 | |||
732 | push edx |
||
9900 | Doczom | 733 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 734 | pop edx |
735 | test eax, eax |
||
736 | jz .failed1;eax=0 |
||
737 | @@: |
||
9715 | Doczom | 738 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 739 | |
9715 | Doczom | 740 | mov eax, [ebx + APPDATA.process] |
741 | mov [edx + APPDATA.process], eax |
||
6090 | serge | 742 | |
9715 | Doczom | 743 | lea ebx, [edx + APPDATA.list] |
744 | lea ecx, [eax + PROC.thr_list] |
||
6090 | serge | 745 | list_add_tail ebx, ecx ;add thread to process child's list |
746 | |||
2288 | clevermous | 747 | lea eax, [app_cmdline] |
6333 | serge | 748 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 749 | |
750 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 751 | call unlock_application_table |
2288 | clevermous | 752 | ret |
753 | .failed: |
||
754 | xor eax, eax |
||
755 | .failed1: |
||
3534 | clevermous | 756 | call unlock_application_table |
2288 | clevermous | 757 | dec eax ;-1 |
758 | ret |
||
759 | endp |
||
760 | |||
6333 | serge | 761 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
762 | |||
763 | mov edx, [img_size] |
||
764 | mov esi, [file_base] |
||
765 | mov ecx, [file_size] |
||
9900 | Doczom | 766 | add edx, PAGE_SIZE-1 |
767 | add ecx, PAGE_SIZE-1 |
||
6333 | serge | 768 | shr edx, 12 ; total pages |
769 | shr ecx, 12 ; image pages |
||
770 | |||
771 | mov edi, page_tabs |
||
772 | shr esi, 10 |
||
773 | add esi, edi |
||
774 | |||
775 | .map_image: |
||
776 | lodsd |
||
9900 | Doczom | 777 | and eax, -PAGE_SIZE |
6333 | serge | 778 | or eax, PG_UWR |
779 | stosd |
||
780 | dec edx |
||
781 | loop .map_image |
||
782 | |||
783 | test edx, edx |
||
784 | jz .done |
||
785 | .map_bss: |
||
786 | call alloc_page |
||
787 | test eax, eax |
||
788 | jz .fail |
||
789 | |||
790 | or eax, PG_UWR |
||
791 | stosd |
||
792 | dec edx |
||
793 | jnz .map_bss |
||
794 | |||
795 | mov edi, [file_size] |
||
796 | mov ecx, [img_size] |
||
9900 | Doczom | 797 | add edi, PAGE_SIZE-1 |
798 | and edi, -PAGE_SIZE |
||
799 | add ecx, PAGE_SIZE-1 |
||
800 | and ecx, -PAGE_SIZE |
||
6333 | serge | 801 | sub ecx, edi |
802 | shr ecx, 2 |
||
803 | xor eax, eax |
||
804 | rep stosd |
||
805 | .done: |
||
806 | .fail: |
||
807 | ret |
||
808 | endp |
||
809 | |||
2288 | clevermous | 810 | align 4 |
6333 | serge | 811 | common_app_entry: |
812 | mov ebp, [current_slot] |
||
9715 | Doczom | 813 | mov ebp, [ebp + APPDATA.exec_params] |
6333 | serge | 814 | test ebp, ebp |
815 | jz .exit |
||
8709 | Coldy | 816 | ; APPDATA.exec_params have first thread only, |
817 | ; so second and next threads don't get here (they jump to .exit) |
||
9715 | Doczom | 818 | stdcall map_process_image, [ebp + APP_HDR._emem],\ |
819 | [ebp + APP_HDR.img_base], [ebp + APP_HDR.img_size] |
||
820 | mov esi, [ebp + APP_HDR.path_string] |
||
821 | mov edi, [ebp + APP_HDR.path] |
||
822 | mov ecx, [ebp + APP_HDR.filename_size] |
||
6758 | pathoswith | 823 | cmp ecx, 1023 |
824 | jc @f |
||
825 | mov ecx, 1022 |
||
826 | @@: |
||
6502 | pathoswith | 827 | push esi |
828 | test edi, edi |
||
829 | jz @f |
||
9715 | Doczom | 830 | stdcall is_region_userspace, edi, [ebp + APP_HDR.filename_size] |
9045 | dunkaist | 831 | jnz @f |
6758 | pathoswith | 832 | mov al, '/' |
833 | stosb |
||
6502 | pathoswith | 834 | rep movsb |
835 | mov byte [edi], 0 |
||
6338 | serge | 836 | @@: |
6502 | pathoswith | 837 | call kernel_free |
9715 | Doczom | 838 | mov edi, [ebp + APP_HDR.cmdline] |
6333 | serge | 839 | test edi, edi |
840 | jz .check_tls_header |
||
9715 | Doczom | 841 | lea esi, [ebp + sizeof.APP_HDR] |
842 | mov ecx, [ebp + APP_HDR.cmdline_size] |
||
6333 | serge | 843 | cmp ecx, 256 |
844 | jb .copy_cmdline |
||
9715 | Doczom | 845 | mov edi, [ebp + APP_HDR._emem] |
9900 | Doczom | 846 | add edi, PAGE_SIZE-1 |
847 | and edi, -PAGE_SIZE |
||
6333 | serge | 848 | sub edi, ecx |
849 | dec edi |
||
850 | cmp word [6], '00' |
||
6502 | pathoswith | 851 | jne @f |
6333 | serge | 852 | mov [APP_HEADER_00_.i_param], edi |
853 | jmp .copy_cmdline |
||
854 | @@: |
||
855 | mov [APP_HEADER_01_.i_param], edi |
||
856 | .copy_cmdline: |
||
8593 | rgimad | 857 | inc ecx ; keep in mind about 0 in the end |
858 | stdcall is_region_userspace, edi, ecx |
||
9045 | dunkaist | 859 | jnz .check_tls_header |
8593 | rgimad | 860 | dec ecx |
6333 | serge | 861 | rep movsb |
6502 | pathoswith | 862 | mov byte [edi], 0 |
6333 | serge | 863 | .check_tls_header: |
864 | cmp word [6], '02' |
||
8671 | Coldy | 865 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 866 | call init_heap |
9900 | Doczom | 867 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 868 | mov edx, [current_slot] |
9715 | Doczom | 869 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 870 | mov [tls_data_l+2], ax |
871 | shr eax, 16 |
||
872 | mov [tls_data_l+4], al |
||
873 | mov [tls_data_l+7], ah |
||
874 | mov dx, app_tls |
||
8671 | Coldy | 875 | mov fs, dx |
8709 | Coldy | 876 | ; { Patch by Coldy, For DLL autoload |
877 | .try_load_dll: |
||
878 | ; Test app header version |
||
9715 | Doczom | 879 | mov ecx, dword[ebp + APP_HDR.img_base] |
8671 | Coldy | 880 | cmp dword[ecx+8], 2 |
881 | jne .cleanup |
||
8709 | Coldy | 882 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 883 | DEBUGF 1, 'K : App header version 2\n' |
884 | stdcall load_library, dll_lib_path, 0 |
||
885 | cmp eax, 0 |
||
886 | jne @f |
||
8709 | Coldy | 887 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 888 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
889 | stdcall kernel_free, ebp |
||
8709 | Coldy | 890 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 891 | mov ebx, dll_error_msg |
892 | mov ebp, notifyapp |
||
893 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 894 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 895 | call sys_end |
896 | |||
897 | @@: |
||
8709 | Coldy | 898 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 899 | sub eax, 4 |
8709 | Coldy | 900 | mov eax, [eax] |
8671 | Coldy | 901 | |
902 | ;.change_eip: |
||
903 | mov ecx, [current_slot] |
||
9715 | Doczom | 904 | mov ecx, [ecx + APPDATA.pl0_stack] |
8671 | Coldy | 905 | mov [ecx+REG_EIP], eax |
906 | |||
907 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 908 | .cleanup: |
909 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
910 | stdcall kernel_free, ebp |
||
6345 | serge | 911 | mov ebx, [current_slot] |
9715 | Doczom | 912 | cmp [ebx + APPDATA.debugger_slot], 0 |
6345 | serge | 913 | je .exit |
9709 | Doczom | 914 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
9715 | Doczom | 915 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 916 | call change_task |
6333 | serge | 917 | .exit: |
2288 | clevermous | 918 | popad |
919 | iretd |
||
920 | |||
7136 | dunkaist | 921 | EFL_IF = 0x0200 |
922 | EFL_IOPL1 = 0x1000 |
||
923 | EFL_IOPL2 = 0x2000 |
||
924 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 925 | |
926 | align 4 |
||
6333 | serge | 927 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 928 | |
929 | locals |
||
930 | pl0_stack dd ? |
||
931 | endl |
||
932 | |||
7124 | dunkaist | 933 | mov eax, [xsave_area_size] |
934 | add eax, RING0_STACK_SIZE |
||
935 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 936 | mov [pl0_stack], eax |
937 | |||
938 | lea edi, [eax+RING0_STACK_SIZE] |
||
939 | |||
940 | mov eax, [slot] |
||
941 | mov ebx, eax |
||
942 | |||
9709 | Doczom | 943 | shl eax, BSF sizeof.APPDATA |
9715 | Doczom | 944 | mov [SLOT_BASE + eax + APPDATA.fpu_state], edi |
945 | mov [SLOT_BASE + eax + APPDATA.exc_handler], 0 |
||
946 | mov [SLOT_BASE + eax + APPDATA.except_mask], 0 |
||
947 | mov [SLOT_BASE + eax + APPDATA.terminate_protection], 80000001h |
||
2288 | clevermous | 948 | |
949 | ;set default io permission map |
||
9715 | Doczom | 950 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map] |
951 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
||
952 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map + 4] |
||
953 | mov [SLOT_BASE + eax + APPDATA.io_map + 4], ecx |
||
2288 | clevermous | 954 | |
955 | mov esi, fpu_data |
||
7165 | clevermous | 956 | mov ecx, [xsave_area_size] |
957 | add ecx, 3 |
||
958 | shr ecx, 2 |
||
2288 | clevermous | 959 | rep movsd |
960 | |||
8866 | rgimad | 961 | cmp [thread_count], ebx |
8867 | rgimad | 962 | adc [thread_count], 0 ; update number of processes |
9709 | Doczom | 963 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 964 | lea edx, [SLOT_BASE + ebx + APP_EV_OFFSET] |
965 | mov [SLOT_BASE + ebx + APPDATA.fd_ev], edx |
||
966 | mov [SLOT_BASE + ebx + APPDATA.bk_ev], edx |
||
2288 | clevermous | 967 | |
9715 | Doczom | 968 | add edx, APP_OBJ_OFFSET - APP_EV_OFFSET |
969 | mov [SLOT_BASE + ebx + APPDATA.fd_obj], edx |
||
970 | mov [SLOT_BASE + ebx + APPDATA.bk_obj], edx |
||
2288 | clevermous | 971 | |
972 | mov eax, [pl0_stack] |
||
9715 | Doczom | 973 | mov [SLOT_BASE + ebx + APPDATA.pl0_stack], eax |
2288 | clevermous | 974 | add eax, RING0_STACK_SIZE |
9715 | Doczom | 975 | mov [SLOT_BASE + ebx + APPDATA.saved_esp0], eax |
2288 | clevermous | 976 | |
977 | push ebx |
||
9925 | Doczom | 978 | stdcall kernel_alloc, maxPathLength ;TODO |
2288 | clevermous | 979 | pop ebx |
980 | mov esi, [current_slot] |
||
9715 | Doczom | 981 | mov esi, [esi + APPDATA.cur_dir] |
6502 | pathoswith | 982 | mov ecx, maxPathLength/4 |
2288 | clevermous | 983 | mov edi, eax |
9715 | Doczom | 984 | mov [SLOT_BASE + ebx + APPDATA.cur_dir], eax |
2288 | clevermous | 985 | rep movsd |
986 | |||
9715 | Doczom | 987 | mov [SLOT_BASE + ebx + APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
9613 | Doczom | 988 | inc dword [process_number] |
989 | mov eax, [process_number] |
||
9715 | Doczom | 990 | mov [SLOT_BASE + ebx + APPDATA.tid], eax ;set TID |
2288 | clevermous | 991 | |
9608 | Doczom | 992 | mov eax, [slot] |
9715 | Doczom | 993 | mov [SLOT_BASE + ebx + APPDATA.wnd_number], al |
9930 | Doczom | 994 | ;mov ebx, eax |
995 | shl eax, BSF sizeof.WDATA |
||
996 | add eax, window_data |
||
997 | mov ecx, eax |
||
998 | mov [SLOT_BASE + ebx + APPDATA.window], eax |
||
999 | mov [eax + WDATA.thread], ebx |
||
1000 | add [eax + WDATA.thread], SLOT_BASE |
||
2288 | clevermous | 1001 | |
1002 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
9930 | Doczom | 1003 | mov [eax + WDATA.fl_wstate], WSTATE_NORMAL + WSTATE_USED |
1004 | mov [eax + WDATA.fl_redraw], WSTATE_REDRAW |
||
2288 | clevermous | 1005 | |
9930 | Doczom | 1006 | mov edx, [def_cursor] |
1007 | mov [eax + WDATA.cursor], edx |
||
1008 | |||
2288 | clevermous | 1009 | ;set draw data to full screen |
1010 | xor eax, eax |
||
9930 | Doczom | 1011 | mov [ecx + WDATA.draw_data.left], eax |
1012 | mov [ecx + WDATA.draw_data.top], eax |
||
5350 | serge | 1013 | mov eax, [screen_workarea.right] |
9930 | Doczom | 1014 | mov [ecx + WDATA.draw_data.right], eax |
5350 | serge | 1015 | mov eax, [screen_workarea.bottom] |
9930 | Doczom | 1016 | mov [ecx + WDATA.draw_data.bottom], eax |
2288 | clevermous | 1017 | |
1018 | mov ebx, [pl0_stack] |
||
1019 | mov esi, [params] |
||
9715 | Doczom | 1020 | lea ecx, [ebx + REG_EIP] |
2288 | clevermous | 1021 | xor eax, eax |
1022 | |||
9715 | Doczom | 1023 | mov [ebx + REG_RET], dword common_app_entry |
1024 | mov [ebx + REG_EDI], eax |
||
1025 | mov [ebx + REG_ESI], eax |
||
1026 | mov [ebx + REG_EBP], eax |
||
1027 | mov [ebx + REG_ESP], ecx;ebx+REG_EIP |
||
1028 | mov [ebx + REG_EBX], eax |
||
1029 | mov [ebx + REG_EDX], eax |
||
1030 | mov [ebx + REG_ECX], eax |
||
1031 | mov [ebx + REG_EAX], eax |
||
2288 | clevermous | 1032 | |
9715 | Doczom | 1033 | mov eax, [esi + APP_HDR.eip] |
1034 | mov [ebx + REG_EIP], eax |
||
1035 | mov [ebx + REG_CS], dword app_code |
||
3534 | clevermous | 1036 | mov ecx, USER_PRIORITY |
4105 | Serge | 1037 | |
1038 | test byte [flags], 2 |
||
1039 | jz @F |
||
1040 | |||
9715 | Doczom | 1041 | mov [ebx + REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1042 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1043 | @@: |
9715 | Doczom | 1044 | mov [ebx + REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
2288 | clevermous | 1045 | |
9715 | Doczom | 1046 | mov eax, [esi + APP_HDR.esp] |
1047 | mov [ebx + REG_APP_ESP], eax |
||
1048 | mov [ebx + REG_SS], dword app_data |
||
2288 | clevermous | 1049 | |
9715 | Doczom | 1050 | lea edx, [ebx + REG_RET] |
2288 | clevermous | 1051 | mov ebx, [slot] |
9709 | Doczom | 1052 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 1053 | mov [SLOT_BASE + ebx + APPDATA.saved_esp], edx |
2288 | clevermous | 1054 | |
3534 | clevermous | 1055 | xor edx, edx; process state - running |
2288 | clevermous | 1056 | ; set if debuggee |
1057 | test byte [flags], 1 |
||
1058 | jz .no_debug |
||
8869 | rgimad | 1059 | mov eax, [current_slot_idx] |
9715 | Doczom | 1060 | mov [SLOT_BASE + ebx + APPDATA.debugger_slot], eax |
2288 | clevermous | 1061 | .no_debug: |
9709 | Doczom | 1062 | mov [SLOT_BASE + ebx + APPDATA.state], dl |
9715 | Doczom | 1063 | lea edx, [SLOT_BASE + ebx] |
3534 | clevermous | 1064 | call scheduler_add_thread |
2288 | clevermous | 1065 | ret |
1066 | endp |
||
1067 | |||
1068 | align 4 |
||
1069 | get_stack_base: |
||
1070 | mov eax, [current_slot] |
||
9715 | Doczom | 1071 | mov eax, [eax + APPDATA.pl0_stack] |
2288 | clevermous | 1072 | ret |
1073 | |||
9832 | turbocat | 1074 | align 4 |
1075 | get_curr_slot: |
||
1076 | mov eax, [current_slot] |
||
1077 | ret |
||
2288 | clevermous | 1078 | |
9911 | Doczom | 1079 | pid_to_appdata: |
1080 | ;Input: |
||
1081 | ; eax - pid of process |
||
1082 | ;Output: |
||
1083 | ; eax - 0 - not found or pointer on APPDATA |
||
1084 | push ebx |
||
1085 | push ecx |
||
1086 | mov ebx, [thread_count] |
||
1087 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
||
1088 | ; skip first process in the task table |
||
9932 | Doczom | 1089 | mov ecx, SLOT_BASE |
1090 | add ebx, ecx |
||
9911 | Doczom | 1091 | .loop: |
1092 | add ecx, sizeof.APPDATA |
||
9932 | Doczom | 1093 | cmp [ecx + APPDATA.state], TSTATE_FREE |
9925 | Doczom | 1094 | jz @f ;skip empty slots |
9932 | Doczom | 1095 | cmp [ecx + APPDATA.tid], eax |
9911 | Doczom | 1096 | jz .pid_found |
9925 | Doczom | 1097 | @@: |
9911 | Doczom | 1098 | cmp ecx, ebx |
1099 | jb .loop |
||
1100 | |||
1101 | pop ecx |
||
1102 | pop ebx |
||
1103 | xor eax, eax |
||
1104 | ret |
||
1105 | .pid_found: |
||
1106 | mov eax, ecx |
||
1107 | pop ecx |
||
1108 | pop ebx |
||
1109 | ret |
||
1110 | |||
2288 | clevermous | 1111 | include "debug.inc"> |