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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: 9974 $ |
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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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9974 | Jurgen | 31 | except_stack_top dd ? ;+36 |
2384 | hidnplayr | 32 | ends |
2288 | clevermous | 33 | |
6333 | serge | 34 | struct APP_HDR |
35 | cmdline rd 1 ;0x00 |
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36 | path rd 1 ;0x04 |
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37 | eip rd 1 ;0x08 |
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38 | esp rd 1 ;0x0C |
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39 | _edata rd 1 ;0x10 |
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40 | _emem rd 1 ;0x14 |
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41 | img_base rd 1 ;0x18 |
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42 | img_size rd 1 |
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43 | filename_size rd 1 |
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44 | cmdline_size rd 1 |
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6502 | pathoswith | 45 | path_string rd 1 |
2384 | hidnplayr | 46 | ends |
2288 | clevermous | 47 | |
48 | macro _clear_ op |
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49 | { mov ecx, op/4 |
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50 | xor eax, eax |
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51 | cld |
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52 | rep stosd |
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53 | } |
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54 | |||
6333 | serge | 55 | align 4 |
56 | _strnlen: |
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57 | mov edx, ecx |
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58 | xor eax, eax |
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59 | repne scasb |
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60 | jne @F |
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61 | inc ecx |
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62 | @@: |
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63 | mov eax, edx |
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64 | sub eax, ecx |
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65 | retn |
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66 | |||
2288 | clevermous | 67 | fs_execute_from_sysdir: |
68 | xor ebx, ebx |
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69 | fs_execute_from_sysdir_param: |
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6792 | pathoswith | 70 | stdcall kernel_alloc, maxPathLength |
71 | push eax ebx |
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72 | mov esi, ebp |
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73 | mov edi, eax |
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74 | xor eax, eax |
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75 | call getFullPath |
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76 | pop ecx ebx |
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2288 | clevermous | 77 | xor edx, edx |
9031 | Boppan | 78 | ; @brief Executes a program |
79 | ; @param edx Flags |
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80 | ; @param ecx Commandline |
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81 | ; @param ebx Absolute file path |
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82 | ; @param eax String length |
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9032 | Boppan | 83 | ; @returns Negated error code or new process number |
2288 | clevermous | 84 | proc fs_execute |
6502 | pathoswith | 85 | locals |
86 | cmdline rd 1 |
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87 | flags rd 1 |
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8593 | rgimad | 88 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 89 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 90 | ; app header data |
91 | hdr_cmdline rd 1 |
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92 | hdr_path rd 1 |
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93 | hdr_eip rd 1 |
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94 | hdr_esp rd 1 |
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95 | hdr_edata rd 1 |
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96 | hdr_emem rd 1 |
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97 | file_base rd 1 |
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98 | file_size rd 1 |
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99 | filename_size rd 1 |
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100 | cmdline_size rd 1 |
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101 | path_string rd 1 |
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102 | endl |
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2288 | clevermous | 103 | |
9248 | Doczom | 104 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
6333 | serge | 105 | mov [flags], edx |
6792 | pathoswith | 106 | mov [cmdline], ecx |
107 | mov [path_string], ebx |
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108 | mov [filename_size], eax |
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109 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 110 | test eax, eax |
111 | jz .err_file |
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6792 | pathoswith | 112 | stdcall load_file, ebx |
2288 | clevermous | 113 | test eax, eax |
114 | jz .err_file |
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115 | |||
116 | mov [file_base], eax |
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117 | mov [file_size], ebx |
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118 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 119 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
9038 | Boppan | 120 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
2288 | clevermous | 121 | test eax, eax |
122 | jz .err_hdr |
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123 | |||
3534 | clevermous | 124 | call lock_application_table |
8592 | rgimad | 125 | call alloc_thread_slot ; create a slot for new thread |
9038 | Boppan | 126 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
2288 | clevermous | 127 | test eax, eax |
6333 | serge | 128 | jz .err_0 |
2288 | clevermous | 129 | |
130 | mov [slot], eax |
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9715 | Doczom | 131 | shl eax, BSF sizeof.APPDATA |
132 | lea edi, [SLOT_BASE + eax] |
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6333 | serge | 133 | mov [slot_base], edi |
6502 | pathoswith | 134 | ; clean extended information about process |
8093 | dunkaist | 135 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 136 | xor eax, eax |
137 | cld |
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138 | rep stosd |
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8592 | rgimad | 139 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 140 | stdcall strrchr, [path_string], '/' |
141 | lea esi, [eax+1] ; -> name without path |
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142 | mov ecx, 11 |
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143 | mov edi, [slot_base] |
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2288 | clevermous | 144 | @@: |
6502 | pathoswith | 145 | call utf8to16 |
146 | call uni2ansi_char |
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2288 | clevermous | 147 | cmp al, '.' |
6502 | pathoswith | 148 | jz @f |
2288 | clevermous | 149 | test al, al |
6502 | pathoswith | 150 | jz @f |
2288 | clevermous | 151 | stosb |
6502 | pathoswith | 152 | loop @b |
153 | @@: |
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6333 | serge | 154 | mov edi, [cmdline] |
155 | xor eax, eax |
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156 | test edi, edi |
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6502 | pathoswith | 157 | jz @f |
6333 | serge | 158 | mov ecx, 65535 |
159 | call _strnlen |
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160 | cmp eax, 256 |
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6502 | pathoswith | 161 | jb @f |
8592 | rgimad | 162 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 163 | lea ebx, [eax+1] |
164 | add [hdr_emem], ebx |
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165 | @@: |
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166 | mov [cmdline_size], eax |
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8592 | rgimad | 167 | stdcall create_process, [hdr_emem] ; create a new process |
9038 | Boppan | 168 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
2288 | clevermous | 169 | test eax, eax |
6333 | serge | 170 | jz .err_hdr |
2288 | clevermous | 171 | |
8592 | rgimad | 172 | ; add new process to the list |
9715 | Doczom | 173 | mov ebx, [sys_proc + LHEAD.prev] |
6263 | serge | 174 | __list_add eax, ebx, sys_proc |
8592 | rgimad | 175 | ; fill the structure fields: |
6333 | serge | 176 | mov ebx, [hdr_emem] |
9715 | Doczom | 177 | mov [eax + PROC.mem_used], ebx |
8592 | rgimad | 178 | |
179 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 180 | mov ebx, [slot_base] |
9715 | Doczom | 181 | mov [ebx + APPDATA.process], eax |
8592 | rgimad | 182 | |
183 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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9715 | Doczom | 184 | lea edx, [ebx + APPDATA.list] |
185 | lea ecx, [eax + PROC.thr_list] |
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5130 | serge | 186 | list_add_tail edx, ecx |
8592 | rgimad | 187 | |
188 | ; 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 | 189 | mov eax, [cmdline_size] |
190 | add eax, sizeof.APP_HDR |
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191 | stdcall kernel_alloc, eax |
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9715 | Doczom | 192 | mov [ebx + APPDATA.exec_params], eax |
6333 | serge | 193 | mov edi, eax |
194 | lea esi, [hdr_cmdline] |
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195 | mov ecx, sizeof.APP_HDR/4 |
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196 | rep movsd |
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197 | mov ecx, [cmdline_size] |
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198 | mov esi, [cmdline] |
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199 | rep movsb |
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8592 | rgimad | 200 | ; set other parameters of application |
2288 | clevermous | 201 | lea eax, [hdr_cmdline] |
6333 | serge | 202 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 203 | mov eax, [process_number] ; return process number |
6333 | serge | 204 | call unlock_application_table |
205 | ret |
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2288 | clevermous | 206 | |
6333 | serge | 207 | .err_0: |
3534 | clevermous | 208 | call unlock_application_table |
2288 | clevermous | 209 | .err_hdr: |
210 | stdcall kernel_free, [file_base] |
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211 | .err_file: |
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6502 | pathoswith | 212 | stdcall kernel_free, [path_string] |
2288 | clevermous | 213 | mov eax, esi |
214 | ret |
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215 | endp |
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216 | |||
217 | align 4 |
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218 | test_app_header: |
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219 | virtual at eax |
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2384 | hidnplayr | 220 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 221 | end virtual |
222 | virtual at eax |
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2384 | hidnplayr | 223 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 224 | end virtual |
225 | |||
226 | cmp dword [eax], 'MENU' |
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227 | jne .fail |
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228 | cmp word [eax+4], 'ET' |
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229 | jne .fail |
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230 | |||
231 | cmp [eax+6], word '00' |
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232 | jne .check_01_header |
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233 | |||
234 | mov ecx, [APP_HEADER_00.start] |
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9715 | Doczom | 235 | mov [ebx + APP_HDR.eip], ecx |
2288 | clevermous | 236 | mov edx, [APP_HEADER_00.mem_size] |
9715 | Doczom | 237 | mov [ebx + APP_HDR._emem], edx |
9794 | Doczom | 238 | |
239 | cmp edx, [APP_HEADER_00.i_end] |
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240 | jb .fail |
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241 | |||
242 | cmp edx, OS_BASE ;check memory |
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243 | jae .fail |
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244 | mov ecx, [pg_data.pages_free] |
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245 | shl ecx, 12 ; ecx * 4kb |
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246 | cmp edx, ecx |
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247 | jae .fail |
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248 | |||
2288 | clevermous | 249 | shr edx, 1 |
250 | sub edx, 0x10 |
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9715 | Doczom | 251 | mov [ebx + APP_HDR.esp], edx |
2288 | clevermous | 252 | mov ecx, [APP_HEADER_00.i_param] |
9715 | Doczom | 253 | mov [ebx + APP_HDR.cmdline], ecx |
254 | mov [ebx + APP_HDR.path], 0 |
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2288 | clevermous | 255 | mov edx, [APP_HEADER_00.i_end] |
9715 | Doczom | 256 | mov [ebx + APP_HDR._edata], edx |
2288 | clevermous | 257 | ret |
258 | |||
259 | .check_01_header: |
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260 | |||
261 | cmp [eax+6], word '01' |
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262 | je @f |
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263 | cmp [eax+6], word '02' |
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264 | jne .fail |
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265 | @@: |
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266 | mov ecx, [APP_HEADER_01.start] |
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9715 | Doczom | 267 | mov [ebx + 0x08], ecx |
2288 | clevermous | 268 | mov edx, [APP_HEADER_01.mem_size] |
269 | |||
270 | ; \begin{diamond}[20.08.2006] |
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271 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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272 | ; fit in allocated memory to prevent kernel faults) |
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273 | cmp edx, [APP_HEADER_01.i_end] |
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274 | jb .fail |
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275 | ; \end{diamond}[20.08.2006] |
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9794 | Doczom | 276 | cmp edx, OS_BASE ;check memory |
277 | jae .fail |
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278 | mov ecx, [pg_data.pages_free] |
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279 | shl ecx, 12 ; ecx * 4kb |
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280 | cmp edx, ecx |
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281 | jae .fail |
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2288 | clevermous | 282 | |
9715 | Doczom | 283 | mov [ebx + APP_HDR._emem], edx |
2288 | clevermous | 284 | mov ecx, [APP_HEADER_01.stack_top] |
9715 | Doczom | 285 | mov [ebx + APP_HDR.esp], ecx |
2288 | clevermous | 286 | mov edx, [APP_HEADER_01.i_param] |
9715 | Doczom | 287 | mov [ebx + APP_HDR.cmdline], edx |
2288 | clevermous | 288 | mov ecx, [APP_HEADER_01.i_icon] |
9715 | Doczom | 289 | mov [ebx + APP_HDR.path], ecx |
2288 | clevermous | 290 | mov edx, [APP_HEADER_01.i_end] |
9715 | Doczom | 291 | mov [ebx + APP_HDR._edata], edx |
2288 | clevermous | 292 | ret |
293 | .fail: |
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294 | xor eax, eax |
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295 | ret |
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296 | |||
297 | align 4 |
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5130 | serge | 298 | alloc_thread_slot: |
2288 | clevermous | 299 | ;input: |
300 | ; none |
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301 | ;result: |
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5130 | serge | 302 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 303 | ; 0 - failed. |
304 | ;This function find least empty slot. |
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8866 | rgimad | 305 | ;It doesn't increase [thread_count]! |
5130 | serge | 306 | |
307 | |||
308 | mov edx, thr_slot_map |
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309 | pushfd |
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310 | cli |
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311 | .l1: |
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312 | bsf eax, [edx] |
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313 | jnz .found |
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314 | add edx, 4 |
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9715 | Doczom | 315 | cmp edx, thr_slot_map + 32 |
5130 | serge | 316 | jb .l1 |
317 | |||
318 | popfd |
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2288 | clevermous | 319 | xor eax, eax |
320 | ret |
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5130 | serge | 321 | .found: |
322 | btr [edx], eax |
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323 | sub edx, thr_slot_map |
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9715 | Doczom | 324 | lea eax, [eax + edx*8] |
5130 | serge | 325 | popfd |
326 | ret |
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2288 | clevermous | 327 | |
328 | align 4 |
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6333 | serge | 329 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 330 | locals |
5130 | serge | 331 | process dd ? |
2288 | clevermous | 332 | app_tabs dd ? |
333 | endl |
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334 | |||
5130 | serge | 335 | push ebx |
336 | push esi |
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337 | push edi |
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338 | |||
2288 | clevermous | 339 | xor eax, eax |
5130 | serge | 340 | mov [process], eax |
2288 | clevermous | 341 | |
342 | mov eax, [app_size] |
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6333 | serge | 343 | add eax, 0x3FFFFF |
344 | shr eax, 22 |
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345 | mov [app_tabs], eax |
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2288 | clevermous | 346 | |
5130 | serge | 347 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 348 | test eax, eax |
349 | jz .fail |
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5130 | serge | 350 | mov [process], eax |
2288 | clevermous | 351 | |
9715 | Doczom | 352 | lea edi, [eax + PROC.heap_lock] |
353 | mov ecx, (PROC.ht_free - PROC.heap_lock)/4 |
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5130 | serge | 354 | |
355 | list_init eax |
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356 | add eax, PROC.thr_list |
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357 | list_init eax |
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358 | |||
2288 | clevermous | 359 | xor eax, eax |
360 | cld |
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361 | rep stosd |
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362 | |||
5595 | serge | 363 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
364 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 365 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 366 | add edi, 8 |
367 | inc eax |
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5202 | serge | 368 | @@: |
369 | stosd |
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370 | inc eax |
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371 | cmp eax, ecx |
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372 | jbe @B |
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373 | |||
5130 | serge | 374 | mov eax, edi |
375 | call get_pg_addr |
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9900 | Doczom | 376 | mov [edi - PAGE_SIZE + PROC.pdt_0_phys], eax |
5130 | serge | 377 | |
2288 | clevermous | 378 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 379 | xor eax, eax |
380 | rep stosd |
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381 | |||
382 | mov ecx, (OS_BASE shr 20)/4 |
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9715 | Doczom | 383 | mov esi, sys_proc + PROC.pdt_0 + (OS_BASE shr 20) |
2288 | clevermous | 384 | rep movsd |
385 | |||
9715 | Doczom | 386 | mov eax, [edi - 8192 + PROC.pdt_0_phys] |
5356 | serge | 387 | or eax, PG_SWR |
9900 | Doczom | 388 | mov [edi - PAGE_SIZE + (page_tabs shr 20)], eax |
2288 | clevermous | 389 | |
9900 | Doczom | 390 | lea edx, [edi - PAGE_SIZE] |
6333 | serge | 391 | mov esi, [app_tabs] |
2288 | clevermous | 392 | |
6333 | serge | 393 | .alloc_page_dir: |
2288 | clevermous | 394 | call alloc_page |
395 | test eax, eax |
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396 | jz .fail |
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6333 | serge | 397 | or eax, PG_UWR |
398 | mov [edx], eax |
||
2288 | clevermous | 399 | |
6333 | serge | 400 | mov edi, [tmp_task_ptab] |
401 | stdcall map_page, edi, eax, PG_SWR |
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9932 | Doczom | 402 | mov ecx, PAGE_SIZE/4 |
2288 | clevermous | 403 | xor eax, eax |
404 | rep stosd |
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405 | |||
6333 | serge | 406 | add edx, 4 |
407 | dec esi |
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408 | jnz .alloc_page_dir |
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2288 | clevermous | 409 | |
6333 | serge | 410 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 411 | mov eax, [process] |
412 | |||
413 | pop edi |
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414 | pop esi |
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415 | pop ebx |
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2288 | clevermous | 416 | ret |
417 | .fail: |
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6333 | serge | 418 | mov ecx, [process] |
419 | jcxz @F |
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420 | |||
421 | call destroy_process |
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2288 | clevermous | 422 | @@: |
423 | xor eax, eax |
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5130 | serge | 424 | pop edi |
425 | pop esi |
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426 | pop ebx |
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2288 | clevermous | 427 | ret |
428 | endp |
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429 | |||
430 | align 4 |
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431 | proc destroy_page_table stdcall, pg_tab:dword |
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432 | |||
433 | push esi |
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434 | |||
435 | mov esi, [pg_tab] |
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436 | mov ecx, 1024 |
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437 | .free: |
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438 | mov eax, [esi] |
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439 | test eax, 1 |
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440 | jz .next |
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5130 | serge | 441 | test eax, 2 |
442 | jz .next |
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2288 | clevermous | 443 | test eax, 1 shl 9 |
444 | jnz .next ;skip shared pages |
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445 | call free_page |
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446 | .next: |
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447 | add esi, 4 |
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448 | dec ecx |
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449 | jnz .free |
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450 | pop esi |
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451 | ret |
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452 | endp |
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453 | |||
454 | align 4 |
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5130 | serge | 455 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 456 | |
5130 | serge | 457 | lea eax, [ecx+PROC.thr_list] |
458 | cmp eax, [eax+LHEAD.next] |
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459 | jne .exit |
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2288 | clevermous | 460 | |
5130 | serge | 461 | align 4 |
462 | .internal: |
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463 | push ecx |
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2288 | clevermous | 464 | |
6263 | serge | 465 | mov esi, ecx |
466 | list_del esi |
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467 | |||
9715 | Doczom | 468 | mov esi, [esi + PROC.dlls_list_ptr] |
5130 | serge | 469 | call destroy_all_hdlls |
2288 | clevermous | 470 | |
5130 | serge | 471 | mov esi, [esp] |
472 | add esi, PROC.pdt_0 |
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473 | mov edi, (0x80000000 shr 20)/4 |
||
2288 | clevermous | 474 | .destroy: |
475 | mov eax, [esi] |
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476 | test eax, 1 |
||
477 | jz .next |
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9900 | Doczom | 478 | and eax, -PAGE_SIZE |
5356 | serge | 479 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 480 | stdcall destroy_page_table, [tmp_task_ptab] |
481 | mov eax, [esi] |
||
482 | call free_page |
||
483 | .next: |
||
484 | add esi, 4 |
||
485 | dec edi |
||
486 | jnz .destroy |
||
487 | |||
5130 | serge | 488 | call kernel_free ;ecx still in stack |
489 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
||
2288 | clevermous | 490 | .exit: |
491 | ret |
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492 | |||
493 | align 4 |
||
494 | get_pid: |
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9613 | Doczom | 495 | mov eax, [current_slot] |
9715 | Doczom | 496 | mov eax, [eax + APPDATA.tid] |
2288 | clevermous | 497 | ret |
498 | |||
499 | pid_to_slot: |
||
500 | ;Input: |
||
501 | ; eax - pid of process |
||
502 | ;Output: |
||
503 | ; eax - slot of process or 0 if process don't exists |
||
504 | ;Search process by PID. |
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505 | push ebx |
||
506 | push ecx |
||
8866 | rgimad | 507 | mov ebx, [thread_count] |
9709 | Doczom | 508 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
8851 | rgimad | 509 | ; skip first process in the task table |
9709 | Doczom | 510 | mov ecx, sizeof.APPDATA |
2288 | clevermous | 511 | |
512 | .loop: |
||
8851 | rgimad | 513 | ;ecx = offset of current process info entry |
514 | ;ebx = maximum permitted offset |
||
9709 | Doczom | 515 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
2288 | clevermous | 516 | jz .endloop ;skip empty slots |
9715 | Doczom | 517 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
9692 | Doczom | 518 | jz .pid_found |
2288 | clevermous | 519 | .endloop: |
9709 | Doczom | 520 | add ecx, sizeof.APPDATA |
2288 | clevermous | 521 | cmp ecx, ebx |
522 | jle .loop |
||
523 | |||
524 | pop ecx |
||
525 | pop ebx |
||
526 | xor eax, eax |
||
527 | ret |
||
528 | |||
529 | .pid_found: |
||
9709 | Doczom | 530 | shr ecx, BSF sizeof.APPDATA ; divide by size |
2288 | clevermous | 531 | mov eax, ecx ;convert offset to index of slot |
532 | pop ecx |
||
533 | pop ebx |
||
534 | ret |
||
535 | |||
5130 | serge | 536 | |
2288 | clevermous | 537 | align 4 |
538 | proc read_process_memory |
||
539 | ;Input: |
||
540 | ; eax - process slot |
||
541 | ; ecx - buffer address |
||
542 | ; edx - buffer size |
||
543 | ; esi - start address in other process |
||
544 | ;Output: |
||
545 | ; eax - number of bytes read. |
||
546 | locals |
||
547 | slot dd ? |
||
548 | buff dd ? |
||
549 | r_count dd ? |
||
550 | offset dd ? |
||
551 | tmp_r_cnt dd ? |
||
552 | endl |
||
553 | |||
554 | mov [slot], eax |
||
555 | mov [buff], ecx |
||
556 | and [r_count], 0 |
||
557 | mov [tmp_r_cnt], edx |
||
558 | mov [offset], esi |
||
559 | |||
560 | pushad |
||
561 | .read_mem: |
||
562 | mov edx, [offset] |
||
563 | mov ebx, [tmp_r_cnt] |
||
564 | |||
565 | mov ecx, 0x400000 |
||
566 | and edx, 0x3FFFFF |
||
567 | sub ecx, edx |
||
568 | cmp ecx, ebx |
||
569 | jbe @f |
||
570 | mov ecx, ebx |
||
571 | @@: |
||
572 | cmp ecx, 0x8000 |
||
573 | jna @F |
||
574 | mov ecx, 0x8000 |
||
575 | @@: |
||
576 | mov ebx, [offset] |
||
577 | |||
578 | push ecx |
||
579 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 580 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 581 | pop ecx |
582 | |||
583 | mov esi, [offset] |
||
584 | and esi, 0xfff |
||
585 | sub eax, esi |
||
586 | jbe .ret |
||
587 | cmp ecx, eax |
||
588 | jbe @f |
||
589 | mov ecx, eax |
||
590 | mov [tmp_r_cnt], eax |
||
591 | @@: |
||
592 | add esi, [proc_mem_map] |
||
593 | mov edi, [buff] |
||
594 | mov edx, ecx |
||
595 | rep movsb |
||
596 | add [r_count], edx |
||
597 | |||
598 | add [offset], edx |
||
599 | sub [tmp_r_cnt], edx |
||
600 | jnz .read_mem |
||
601 | .ret: |
||
602 | popad |
||
603 | mov eax, [r_count] |
||
604 | ret |
||
605 | endp |
||
606 | |||
607 | align 4 |
||
608 | proc write_process_memory |
||
609 | ;Input: |
||
610 | ; eax - process slot |
||
611 | ; ecx - buffer address |
||
612 | ; edx - buffer size |
||
613 | ; esi - start address in other process |
||
614 | ;Output: |
||
615 | ; eax - number of bytes written |
||
616 | |||
617 | locals |
||
618 | slot dd ? |
||
619 | buff dd ? |
||
620 | w_count dd ? |
||
621 | offset dd ? |
||
622 | tmp_w_cnt dd ? |
||
623 | endl |
||
624 | |||
625 | mov [slot], eax |
||
626 | mov [buff], ecx |
||
627 | and [w_count], 0 |
||
628 | mov [tmp_w_cnt], edx |
||
629 | mov [offset], esi |
||
630 | |||
631 | pushad |
||
632 | .read_mem: |
||
633 | mov edx, [offset] |
||
634 | mov ebx, [tmp_w_cnt] |
||
635 | |||
636 | mov ecx, 0x400000 |
||
637 | and edx, 0x3FFFFF |
||
638 | sub ecx, edx |
||
639 | cmp ecx, ebx |
||
640 | jbe @f |
||
641 | mov ecx, ebx |
||
642 | @@: |
||
643 | cmp ecx, 0x8000 |
||
644 | jna @F |
||
645 | mov ecx, 0x8000 |
||
646 | @@: |
||
647 | mov ebx, [offset] |
||
648 | push ecx |
||
649 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 650 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 651 | pop ecx |
652 | |||
653 | mov edi, [offset] |
||
654 | and edi, 0xfff |
||
655 | sub eax, edi |
||
656 | jbe .ret |
||
657 | cmp ecx, eax |
||
658 | jbe @f |
||
659 | mov ecx, eax |
||
660 | mov [tmp_w_cnt], eax |
||
661 | @@: |
||
662 | add edi, [proc_mem_map] |
||
663 | mov esi, [buff] |
||
664 | mov edx, ecx |
||
665 | rep movsb |
||
666 | |||
667 | add [w_count], edx |
||
668 | add [offset], edx |
||
669 | sub [tmp_w_cnt], edx |
||
670 | jnz .read_mem |
||
671 | .ret: |
||
672 | popad |
||
673 | mov eax, [w_count] |
||
674 | ret |
||
675 | endp |
||
676 | |||
4105 | Serge | 677 | ;ebx = 1 - kernel thread |
678 | ;ecx=thread entry point |
||
679 | ;edx=thread stack pointer |
||
680 | ;creation flags 0x01 - debugged |
||
681 | ; 0x02 - kernel |
||
682 | |||
2288 | clevermous | 683 | align 4 |
684 | proc new_sys_threads |
||
685 | locals |
||
4105 | Serge | 686 | slot dd ? |
687 | flags dd ? |
||
2288 | clevermous | 688 | app_cmdline dd ? ;0x00 |
689 | app_path dd ? ;0x04 |
||
690 | app_eip dd ? ;0x08 |
||
691 | app_esp dd ? ;0x0C |
||
692 | app_mem dd ? ;0x10 |
||
693 | endl |
||
694 | |||
4105 | Serge | 695 | shl ebx, 1 |
696 | mov [flags], ebx |
||
2288 | clevermous | 697 | |
698 | xor eax, eax |
||
699 | mov [app_eip], ecx |
||
700 | mov [app_cmdline], eax |
||
701 | mov [app_esp], edx |
||
702 | mov [app_path], eax |
||
4105 | Serge | 703 | |
3534 | clevermous | 704 | call lock_application_table |
2288 | clevermous | 705 | |
5130 | serge | 706 | call alloc_thread_slot |
2288 | clevermous | 707 | test eax, eax |
708 | jz .failed |
||
709 | |||
710 | mov [slot], eax |
||
711 | |||
712 | mov esi, [current_slot] |
||
9941 | Doczom | 713 | mov ebx, esi ;ebx=esi - pointer to information about current thread |
2288 | clevermous | 714 | |
715 | mov edi, eax |
||
9715 | Doczom | 716 | shl edi, BSF sizeof.APPDATA |
2288 | clevermous | 717 | add edi, SLOT_BASE |
9941 | Doczom | 718 | mov edx, edi ;edx=edi - pointer to infomation about new thread |
8093 | dunkaist | 719 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 720 | xor eax, eax |
721 | cld |
||
9941 | Doczom | 722 | rep stosd ;clean information about new thread |
2288 | clevermous | 723 | mov esi, ebx |
724 | mov edi, edx |
||
725 | mov ecx, 11 |
||
726 | rep movsb ;copy process name |
||
727 | |||
728 | |||
9715 | Doczom | 729 | mov eax, [ebx + APPDATA.tls_base] |
2288 | clevermous | 730 | test eax, eax |
731 | jz @F |
||
732 | |||
733 | push edx |
||
9900 | Doczom | 734 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 735 | pop edx |
736 | test eax, eax |
||
737 | jz .failed1;eax=0 |
||
738 | @@: |
||
9715 | Doczom | 739 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 740 | |
9715 | Doczom | 741 | mov eax, [ebx + APPDATA.process] |
742 | mov [edx + APPDATA.process], eax |
||
6090 | serge | 743 | |
9715 | Doczom | 744 | lea ebx, [edx + APPDATA.list] |
745 | lea ecx, [eax + PROC.thr_list] |
||
6090 | serge | 746 | list_add_tail ebx, ecx ;add thread to process child's list |
747 | |||
2288 | clevermous | 748 | lea eax, [app_cmdline] |
6333 | serge | 749 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 750 | |
751 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 752 | call unlock_application_table |
2288 | clevermous | 753 | ret |
754 | .failed: |
||
755 | xor eax, eax |
||
756 | .failed1: |
||
3534 | clevermous | 757 | call unlock_application_table |
2288 | clevermous | 758 | dec eax ;-1 |
759 | ret |
||
760 | endp |
||
761 | |||
6333 | serge | 762 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
763 | |||
764 | mov edx, [img_size] |
||
765 | mov esi, [file_base] |
||
766 | mov ecx, [file_size] |
||
9900 | Doczom | 767 | add edx, PAGE_SIZE-1 |
768 | add ecx, PAGE_SIZE-1 |
||
6333 | serge | 769 | shr edx, 12 ; total pages |
770 | shr ecx, 12 ; image pages |
||
771 | |||
772 | mov edi, page_tabs |
||
773 | shr esi, 10 |
||
774 | add esi, edi |
||
775 | |||
776 | .map_image: |
||
777 | lodsd |
||
9900 | Doczom | 778 | and eax, -PAGE_SIZE |
6333 | serge | 779 | or eax, PG_UWR |
780 | stosd |
||
781 | dec edx |
||
782 | loop .map_image |
||
783 | |||
784 | test edx, edx |
||
785 | jz .done |
||
786 | .map_bss: |
||
787 | call alloc_page |
||
788 | test eax, eax |
||
789 | jz .fail |
||
790 | |||
791 | or eax, PG_UWR |
||
792 | stosd |
||
793 | dec edx |
||
794 | jnz .map_bss |
||
795 | |||
796 | mov edi, [file_size] |
||
797 | mov ecx, [img_size] |
||
9900 | Doczom | 798 | add edi, PAGE_SIZE-1 |
799 | and edi, -PAGE_SIZE |
||
800 | add ecx, PAGE_SIZE-1 |
||
801 | and ecx, -PAGE_SIZE |
||
6333 | serge | 802 | sub ecx, edi |
803 | shr ecx, 2 |
||
804 | xor eax, eax |
||
805 | rep stosd |
||
806 | .done: |
||
807 | .fail: |
||
808 | ret |
||
809 | endp |
||
810 | |||
2288 | clevermous | 811 | align 4 |
6333 | serge | 812 | common_app_entry: |
813 | mov ebp, [current_slot] |
||
9715 | Doczom | 814 | mov ebp, [ebp + APPDATA.exec_params] |
6333 | serge | 815 | test ebp, ebp |
816 | jz .exit |
||
8709 | Coldy | 817 | ; APPDATA.exec_params have first thread only, |
818 | ; so second and next threads don't get here (they jump to .exit) |
||
9715 | Doczom | 819 | stdcall map_process_image, [ebp + APP_HDR._emem],\ |
820 | [ebp + APP_HDR.img_base], [ebp + APP_HDR.img_size] |
||
821 | mov esi, [ebp + APP_HDR.path_string] |
||
822 | mov edi, [ebp + APP_HDR.path] |
||
823 | mov ecx, [ebp + APP_HDR.filename_size] |
||
6758 | pathoswith | 824 | cmp ecx, 1023 |
825 | jc @f |
||
826 | mov ecx, 1022 |
||
827 | @@: |
||
6502 | pathoswith | 828 | push esi |
829 | test edi, edi |
||
830 | jz @f |
||
9715 | Doczom | 831 | stdcall is_region_userspace, edi, [ebp + APP_HDR.filename_size] |
9045 | dunkaist | 832 | jnz @f |
6758 | pathoswith | 833 | mov al, '/' |
834 | stosb |
||
6502 | pathoswith | 835 | rep movsb |
836 | mov byte [edi], 0 |
||
6338 | serge | 837 | @@: |
6502 | pathoswith | 838 | call kernel_free |
9715 | Doczom | 839 | mov edi, [ebp + APP_HDR.cmdline] |
6333 | serge | 840 | test edi, edi |
841 | jz .check_tls_header |
||
9715 | Doczom | 842 | lea esi, [ebp + sizeof.APP_HDR] |
843 | mov ecx, [ebp + APP_HDR.cmdline_size] |
||
6333 | serge | 844 | cmp ecx, 256 |
845 | jb .copy_cmdline |
||
9715 | Doczom | 846 | mov edi, [ebp + APP_HDR._emem] |
9900 | Doczom | 847 | add edi, PAGE_SIZE-1 |
848 | and edi, -PAGE_SIZE |
||
6333 | serge | 849 | sub edi, ecx |
850 | dec edi |
||
851 | cmp word [6], '00' |
||
6502 | pathoswith | 852 | jne @f |
6333 | serge | 853 | mov [APP_HEADER_00_.i_param], edi |
854 | jmp .copy_cmdline |
||
855 | @@: |
||
856 | mov [APP_HEADER_01_.i_param], edi |
||
857 | .copy_cmdline: |
||
8593 | rgimad | 858 | inc ecx ; keep in mind about 0 in the end |
859 | stdcall is_region_userspace, edi, ecx |
||
9045 | dunkaist | 860 | jnz .check_tls_header |
8593 | rgimad | 861 | dec ecx |
6333 | serge | 862 | rep movsb |
6502 | pathoswith | 863 | mov byte [edi], 0 |
6333 | serge | 864 | .check_tls_header: |
865 | cmp word [6], '02' |
||
8671 | Coldy | 866 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 867 | call init_heap |
9900 | Doczom | 868 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 869 | mov edx, [current_slot] |
9715 | Doczom | 870 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 871 | mov [tls_data_l+2], ax |
872 | shr eax, 16 |
||
873 | mov [tls_data_l+4], al |
||
874 | mov [tls_data_l+7], ah |
||
875 | mov dx, app_tls |
||
8671 | Coldy | 876 | mov fs, dx |
8709 | Coldy | 877 | ; { Patch by Coldy, For DLL autoload |
878 | .try_load_dll: |
||
879 | ; Test app header version |
||
9715 | Doczom | 880 | mov ecx, dword[ebp + APP_HDR.img_base] |
8671 | Coldy | 881 | cmp dword[ecx+8], 2 |
882 | jne .cleanup |
||
8709 | Coldy | 883 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 884 | DEBUGF 1, 'K : App header version 2\n' |
885 | stdcall load_library, dll_lib_path, 0 |
||
886 | cmp eax, 0 |
||
887 | jne @f |
||
8709 | Coldy | 888 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 889 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
890 | stdcall kernel_free, ebp |
||
8709 | Coldy | 891 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 892 | mov ebx, dll_error_msg |
893 | mov ebp, notifyapp |
||
894 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 895 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 896 | call sys_end |
897 | |||
898 | @@: |
||
8709 | Coldy | 899 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 900 | sub eax, 4 |
8709 | Coldy | 901 | mov eax, [eax] |
8671 | Coldy | 902 | |
903 | ;.change_eip: |
||
904 | mov ecx, [current_slot] |
||
9715 | Doczom | 905 | mov ecx, [ecx + APPDATA.pl0_stack] |
8671 | Coldy | 906 | mov [ecx+REG_EIP], eax |
907 | |||
908 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 909 | .cleanup: |
910 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
911 | stdcall kernel_free, ebp |
||
6345 | serge | 912 | mov ebx, [current_slot] |
9715 | Doczom | 913 | cmp [ebx + APPDATA.debugger_slot], 0 |
6345 | serge | 914 | je .exit |
9709 | Doczom | 915 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
9715 | Doczom | 916 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 917 | call change_task |
6333 | serge | 918 | .exit: |
2288 | clevermous | 919 | popad |
920 | iretd |
||
921 | |||
7136 | dunkaist | 922 | EFL_IF = 0x0200 |
923 | EFL_IOPL1 = 0x1000 |
||
924 | EFL_IOPL2 = 0x2000 |
||
925 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 926 | |
927 | align 4 |
||
6333 | serge | 928 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 929 | |
930 | locals |
||
931 | pl0_stack dd ? |
||
932 | endl |
||
933 | |||
7124 | dunkaist | 934 | mov eax, [xsave_area_size] |
935 | add eax, RING0_STACK_SIZE |
||
936 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 937 | mov [pl0_stack], eax |
938 | |||
939 | lea edi, [eax+RING0_STACK_SIZE] |
||
940 | |||
941 | mov eax, [slot] |
||
942 | mov ebx, eax |
||
943 | |||
9709 | Doczom | 944 | shl eax, BSF sizeof.APPDATA |
9715 | Doczom | 945 | mov [SLOT_BASE + eax + APPDATA.fpu_state], edi |
946 | mov [SLOT_BASE + eax + APPDATA.exc_handler], 0 |
||
947 | mov [SLOT_BASE + eax + APPDATA.except_mask], 0 |
||
948 | mov [SLOT_BASE + eax + APPDATA.terminate_protection], 80000001h |
||
2288 | clevermous | 949 | |
950 | ;set default io permission map |
||
9715 | Doczom | 951 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map] |
952 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
||
953 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map + 4] |
||
954 | mov [SLOT_BASE + eax + APPDATA.io_map + 4], ecx |
||
2288 | clevermous | 955 | |
956 | mov esi, fpu_data |
||
7165 | clevermous | 957 | mov ecx, [xsave_area_size] |
958 | add ecx, 3 |
||
959 | shr ecx, 2 |
||
2288 | clevermous | 960 | rep movsd |
961 | |||
8866 | rgimad | 962 | cmp [thread_count], ebx |
8867 | rgimad | 963 | adc [thread_count], 0 ; update number of processes |
9709 | Doczom | 964 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 965 | lea edx, [SLOT_BASE + ebx + APP_EV_OFFSET] |
966 | mov [SLOT_BASE + ebx + APPDATA.fd_ev], edx |
||
967 | mov [SLOT_BASE + ebx + APPDATA.bk_ev], edx |
||
2288 | clevermous | 968 | |
9715 | Doczom | 969 | add edx, APP_OBJ_OFFSET - APP_EV_OFFSET |
970 | mov [SLOT_BASE + ebx + APPDATA.fd_obj], edx |
||
971 | mov [SLOT_BASE + ebx + APPDATA.bk_obj], edx |
||
2288 | clevermous | 972 | |
973 | mov eax, [pl0_stack] |
||
9715 | Doczom | 974 | mov [SLOT_BASE + ebx + APPDATA.pl0_stack], eax |
2288 | clevermous | 975 | add eax, RING0_STACK_SIZE |
9715 | Doczom | 976 | mov [SLOT_BASE + ebx + APPDATA.saved_esp0], eax |
2288 | clevermous | 977 | |
978 | push ebx |
||
9925 | Doczom | 979 | stdcall kernel_alloc, maxPathLength ;TODO |
2288 | clevermous | 980 | pop ebx |
981 | mov esi, [current_slot] |
||
9715 | Doczom | 982 | mov esi, [esi + APPDATA.cur_dir] |
6502 | pathoswith | 983 | mov ecx, maxPathLength/4 |
2288 | clevermous | 984 | mov edi, eax |
9715 | Doczom | 985 | mov [SLOT_BASE + ebx + APPDATA.cur_dir], eax |
2288 | clevermous | 986 | rep movsd |
987 | |||
9715 | Doczom | 988 | mov [SLOT_BASE + ebx + APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
9613 | Doczom | 989 | inc dword [process_number] |
990 | mov eax, [process_number] |
||
9715 | Doczom | 991 | mov [SLOT_BASE + ebx + APPDATA.tid], eax ;set TID |
2288 | clevermous | 992 | |
9608 | Doczom | 993 | mov eax, [slot] |
9715 | Doczom | 994 | mov [SLOT_BASE + ebx + APPDATA.wnd_number], al |
9930 | Doczom | 995 | ;mov ebx, eax |
996 | shl eax, BSF sizeof.WDATA |
||
997 | add eax, window_data |
||
998 | mov ecx, eax |
||
999 | mov [SLOT_BASE + ebx + APPDATA.window], eax |
||
1000 | mov [eax + WDATA.thread], ebx |
||
1001 | add [eax + WDATA.thread], SLOT_BASE |
||
2288 | clevermous | 1002 | |
1003 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
9930 | Doczom | 1004 | mov [eax + WDATA.fl_wstate], WSTATE_NORMAL + WSTATE_USED |
1005 | mov [eax + WDATA.fl_redraw], WSTATE_REDRAW |
||
2288 | clevermous | 1006 | |
9930 | Doczom | 1007 | mov edx, [def_cursor] |
1008 | mov [eax + WDATA.cursor], edx |
||
1009 | |||
2288 | clevermous | 1010 | ;set draw data to full screen |
1011 | xor eax, eax |
||
9930 | Doczom | 1012 | mov [ecx + WDATA.draw_data.left], eax |
1013 | mov [ecx + WDATA.draw_data.top], eax |
||
5350 | serge | 1014 | mov eax, [screen_workarea.right] |
9930 | Doczom | 1015 | mov [ecx + WDATA.draw_data.right], eax |
5350 | serge | 1016 | mov eax, [screen_workarea.bottom] |
9930 | Doczom | 1017 | mov [ecx + WDATA.draw_data.bottom], eax |
2288 | clevermous | 1018 | |
1019 | mov ebx, [pl0_stack] |
||
1020 | mov esi, [params] |
||
9715 | Doczom | 1021 | lea ecx, [ebx + REG_EIP] |
2288 | clevermous | 1022 | xor eax, eax |
1023 | |||
9715 | Doczom | 1024 | mov [ebx + REG_RET], dword common_app_entry |
1025 | mov [ebx + REG_EDI], eax |
||
1026 | mov [ebx + REG_ESI], eax |
||
1027 | mov [ebx + REG_EBP], eax |
||
1028 | mov [ebx + REG_ESP], ecx;ebx+REG_EIP |
||
1029 | mov [ebx + REG_EBX], eax |
||
1030 | mov [ebx + REG_EDX], eax |
||
1031 | mov [ebx + REG_ECX], eax |
||
1032 | mov [ebx + REG_EAX], eax |
||
2288 | clevermous | 1033 | |
9715 | Doczom | 1034 | mov eax, [esi + APP_HDR.eip] |
1035 | mov [ebx + REG_EIP], eax |
||
1036 | mov [ebx + REG_CS], dword app_code |
||
3534 | clevermous | 1037 | mov ecx, USER_PRIORITY |
4105 | Serge | 1038 | |
1039 | test byte [flags], 2 |
||
1040 | jz @F |
||
1041 | |||
9715 | Doczom | 1042 | mov [ebx + REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1043 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1044 | @@: |
9715 | Doczom | 1045 | mov [ebx + REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
2288 | clevermous | 1046 | |
9715 | Doczom | 1047 | mov eax, [esi + APP_HDR.esp] |
1048 | mov [ebx + REG_APP_ESP], eax |
||
1049 | mov [ebx + REG_SS], dword app_data |
||
2288 | clevermous | 1050 | |
9715 | Doczom | 1051 | lea edx, [ebx + REG_RET] |
2288 | clevermous | 1052 | mov ebx, [slot] |
9709 | Doczom | 1053 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 1054 | mov [SLOT_BASE + ebx + APPDATA.saved_esp], edx |
2288 | clevermous | 1055 | |
3534 | clevermous | 1056 | xor edx, edx; process state - running |
2288 | clevermous | 1057 | ; set if debuggee |
1058 | test byte [flags], 1 |
||
1059 | jz .no_debug |
||
8869 | rgimad | 1060 | mov eax, [current_slot_idx] |
9715 | Doczom | 1061 | mov [SLOT_BASE + ebx + APPDATA.debugger_slot], eax |
2288 | clevermous | 1062 | .no_debug: |
9709 | Doczom | 1063 | mov [SLOT_BASE + ebx + APPDATA.state], dl |
9715 | Doczom | 1064 | lea edx, [SLOT_BASE + ebx] |
3534 | clevermous | 1065 | call scheduler_add_thread |
2288 | clevermous | 1066 | ret |
1067 | endp |
||
1068 | |||
1069 | align 4 |
||
1070 | get_stack_base: |
||
1071 | mov eax, [current_slot] |
||
9715 | Doczom | 1072 | mov eax, [eax + APPDATA.pl0_stack] |
2288 | clevermous | 1073 | ret |
1074 | |||
9832 | turbocat | 1075 | align 4 |
1076 | get_curr_slot: |
||
1077 | mov eax, [current_slot] |
||
1078 | ret |
||
2288 | clevermous | 1079 | |
9911 | Doczom | 1080 | pid_to_appdata: |
1081 | ;Input: |
||
1082 | ; eax - pid of process |
||
1083 | ;Output: |
||
1084 | ; eax - 0 - not found or pointer on APPDATA |
||
1085 | push ebx |
||
1086 | push ecx |
||
1087 | mov ebx, [thread_count] |
||
1088 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
||
1089 | ; skip first process in the task table |
||
9932 | Doczom | 1090 | mov ecx, SLOT_BASE |
1091 | add ebx, ecx |
||
9911 | Doczom | 1092 | .loop: |
1093 | add ecx, sizeof.APPDATA |
||
9932 | Doczom | 1094 | cmp [ecx + APPDATA.state], TSTATE_FREE |
9925 | Doczom | 1095 | jz @f ;skip empty slots |
9932 | Doczom | 1096 | cmp [ecx + APPDATA.tid], eax |
9911 | Doczom | 1097 | jz .pid_found |
9925 | Doczom | 1098 | @@: |
9911 | Doczom | 1099 | cmp ecx, ebx |
1100 | jb .loop |
||
1101 | |||
1102 | pop ecx |
||
1103 | pop ebx |
||
1104 | xor eax, eax |
||
1105 | ret |
||
1106 | .pid_found: |
||
1107 | mov eax, ecx |
||
1108 | pop ecx |
||
1109 | pop ebx |
||
1110 | ret |
||
1111 | |||
2288 | clevermous | 1112 | include "debug.inc"> |