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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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8858 | rgimad | 3 | ;; Copyright (C) KolibriOS team 2004-2021. 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: 9045 $ |
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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 | |
6333 | serge | 103 | mov [flags], edx |
6792 | pathoswith | 104 | mov [cmdline], ecx |
105 | mov [path_string], ebx |
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106 | mov [filename_size], eax |
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107 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 108 | test eax, eax |
109 | jz .err_file |
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6792 | pathoswith | 110 | stdcall load_file, ebx |
2288 | clevermous | 111 | test eax, eax |
112 | jz .err_file |
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113 | |||
114 | mov [file_base], eax |
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115 | mov [file_size], ebx |
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116 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 117 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
9038 | Boppan | 118 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
2288 | clevermous | 119 | test eax, eax |
120 | jz .err_hdr |
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121 | |||
3534 | clevermous | 122 | call lock_application_table |
8592 | rgimad | 123 | call alloc_thread_slot ; create a slot for new thread |
9038 | Boppan | 124 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
2288 | clevermous | 125 | test eax, eax |
6333 | serge | 126 | jz .err_0 |
2288 | clevermous | 127 | |
128 | mov [slot], eax |
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129 | shl eax, 8 |
||
6333 | serge | 130 | lea edi, [SLOT_BASE+eax] |
131 | mov [slot_base], edi |
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6502 | pathoswith | 132 | ; clean extended information about process |
8093 | dunkaist | 133 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 134 | xor eax, eax |
135 | cld |
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136 | rep stosd |
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8592 | rgimad | 137 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 138 | stdcall strrchr, [path_string], '/' |
139 | lea esi, [eax+1] ; -> name without path |
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140 | mov ecx, 11 |
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141 | mov edi, [slot_base] |
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2288 | clevermous | 142 | @@: |
6502 | pathoswith | 143 | call utf8to16 |
144 | call uni2ansi_char |
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2288 | clevermous | 145 | cmp al, '.' |
6502 | pathoswith | 146 | jz @f |
2288 | clevermous | 147 | test al, al |
6502 | pathoswith | 148 | jz @f |
2288 | clevermous | 149 | stosb |
6502 | pathoswith | 150 | loop @b |
151 | @@: |
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6333 | serge | 152 | mov edi, [cmdline] |
153 | xor eax, eax |
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154 | test edi, edi |
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6502 | pathoswith | 155 | jz @f |
6333 | serge | 156 | mov ecx, 65535 |
157 | call _strnlen |
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158 | cmp eax, 256 |
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6502 | pathoswith | 159 | jb @f |
8592 | rgimad | 160 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 161 | lea ebx, [eax+1] |
162 | add [hdr_emem], ebx |
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163 | @@: |
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164 | mov [cmdline_size], eax |
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8592 | rgimad | 165 | stdcall create_process, [hdr_emem] ; create a new process |
9038 | Boppan | 166 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
2288 | clevermous | 167 | test eax, eax |
6333 | serge | 168 | jz .err_hdr |
2288 | clevermous | 169 | |
8592 | rgimad | 170 | ; add new process to the list |
6263 | serge | 171 | mov ebx, [sys_proc+LHEAD.prev] |
172 | __list_add eax, ebx, sys_proc |
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8592 | rgimad | 173 | ; fill the structure fields: |
6333 | serge | 174 | mov ebx, [hdr_emem] |
5130 | serge | 175 | mov [eax+PROC.mem_used], ebx |
8592 | rgimad | 176 | |
177 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 178 | mov ebx, [slot_base] |
5130 | serge | 179 | mov [ebx+APPDATA.process], eax |
8592 | rgimad | 180 | |
181 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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5130 | serge | 182 | lea edx, [ebx+APPDATA.list] |
183 | lea ecx, [eax+PROC.thr_list] |
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184 | list_add_tail edx, ecx |
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8592 | rgimad | 185 | |
186 | ; 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 | 187 | mov eax, [cmdline_size] |
188 | add eax, sizeof.APP_HDR |
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189 | stdcall kernel_alloc, eax |
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6333 | serge | 190 | mov [ebx+APPDATA.exec_params], eax |
191 | mov edi, eax |
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192 | lea esi, [hdr_cmdline] |
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193 | mov ecx, sizeof.APP_HDR/4 |
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194 | rep movsd |
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195 | mov ecx, [cmdline_size] |
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196 | mov esi, [cmdline] |
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197 | rep movsb |
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8592 | rgimad | 198 | ; set other parameters of application |
2288 | clevermous | 199 | lea eax, [hdr_cmdline] |
6333 | serge | 200 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 201 | mov eax, [process_number] ; return process number |
6333 | serge | 202 | call unlock_application_table |
203 | ret |
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2288 | clevermous | 204 | |
6333 | serge | 205 | .err_0: |
3534 | clevermous | 206 | call unlock_application_table |
2288 | clevermous | 207 | .err_hdr: |
208 | stdcall kernel_free, [file_base] |
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209 | .err_file: |
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6502 | pathoswith | 210 | stdcall kernel_free, [path_string] |
2288 | clevermous | 211 | mov eax, esi |
212 | ret |
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213 | endp |
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214 | |||
215 | align 4 |
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216 | test_app_header: |
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217 | virtual at eax |
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2384 | hidnplayr | 218 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 219 | end virtual |
220 | virtual at eax |
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2384 | hidnplayr | 221 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 222 | end virtual |
223 | |||
224 | cmp dword [eax], 'MENU' |
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225 | jne .fail |
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226 | cmp word [eax+4], 'ET' |
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227 | jne .fail |
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228 | |||
229 | cmp [eax+6], word '00' |
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230 | jne .check_01_header |
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231 | |||
232 | mov ecx, [APP_HEADER_00.start] |
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6333 | serge | 233 | mov [ebx+APP_HDR.eip], ecx |
2288 | clevermous | 234 | mov edx, [APP_HEADER_00.mem_size] |
6333 | serge | 235 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 236 | shr edx, 1 |
237 | sub edx, 0x10 |
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6333 | serge | 238 | mov [ebx+APP_HDR.esp], edx |
2288 | clevermous | 239 | mov ecx, [APP_HEADER_00.i_param] |
6333 | serge | 240 | mov [ebx+APP_HDR.cmdline], ecx |
241 | mov [ebx+APP_HDR.path], 0 |
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2288 | clevermous | 242 | mov edx, [APP_HEADER_00.i_end] |
6333 | serge | 243 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 244 | ret |
245 | |||
246 | .check_01_header: |
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247 | |||
248 | cmp [eax+6], word '01' |
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249 | je @f |
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250 | cmp [eax+6], word '02' |
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251 | jne .fail |
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252 | @@: |
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253 | mov ecx, [APP_HEADER_01.start] |
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6333 | serge | 254 | mov [ebx+0x08], ecx |
2288 | clevermous | 255 | mov edx, [APP_HEADER_01.mem_size] |
256 | |||
257 | ; \begin{diamond}[20.08.2006] |
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258 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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259 | ; fit in allocated memory to prevent kernel faults) |
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260 | cmp edx, [APP_HEADER_01.i_end] |
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261 | jb .fail |
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262 | ; \end{diamond}[20.08.2006] |
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263 | |||
6333 | serge | 264 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 265 | mov ecx, [APP_HEADER_01.stack_top] |
6333 | serge | 266 | mov [ebx+APP_HDR.esp], ecx |
2288 | clevermous | 267 | mov edx, [APP_HEADER_01.i_param] |
6333 | serge | 268 | mov [ebx+APP_HDR.cmdline], edx |
2288 | clevermous | 269 | mov ecx, [APP_HEADER_01.i_icon] |
6333 | serge | 270 | mov [ebx+APP_HDR.path], ecx |
2288 | clevermous | 271 | mov edx, [APP_HEADER_01.i_end] |
6333 | serge | 272 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 273 | ret |
274 | .fail: |
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275 | xor eax, eax |
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276 | ret |
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277 | |||
278 | align 4 |
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5130 | serge | 279 | alloc_thread_slot: |
2288 | clevermous | 280 | ;input: |
281 | ; none |
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282 | ;result: |
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5130 | serge | 283 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 284 | ; 0 - failed. |
285 | ;This function find least empty slot. |
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8866 | rgimad | 286 | ;It doesn't increase [thread_count]! |
5130 | serge | 287 | |
288 | |||
289 | mov edx, thr_slot_map |
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290 | pushfd |
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291 | cli |
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292 | .l1: |
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293 | bsf eax, [edx] |
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294 | jnz .found |
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295 | add edx, 4 |
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296 | cmp edx, thr_slot_map+32 |
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297 | jb .l1 |
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298 | |||
299 | popfd |
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2288 | clevermous | 300 | xor eax, eax |
301 | ret |
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5130 | serge | 302 | .found: |
303 | btr [edx], eax |
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304 | sub edx, thr_slot_map |
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305 | lea eax, [eax+edx*8] |
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306 | popfd |
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307 | ret |
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2288 | clevermous | 308 | |
309 | align 4 |
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6333 | serge | 310 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 311 | locals |
5130 | serge | 312 | process dd ? |
2288 | clevermous | 313 | app_tabs dd ? |
314 | endl |
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315 | |||
5130 | serge | 316 | push ebx |
317 | push esi |
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318 | push edi |
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319 | |||
2288 | clevermous | 320 | xor eax, eax |
5130 | serge | 321 | mov [process], eax |
2288 | clevermous | 322 | |
323 | mov eax, [app_size] |
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6333 | serge | 324 | add eax, 0x3FFFFF |
325 | shr eax, 22 |
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326 | mov [app_tabs], eax |
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2288 | clevermous | 327 | |
5130 | serge | 328 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 329 | test eax, eax |
330 | jz .fail |
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5130 | serge | 331 | mov [process], eax |
2288 | clevermous | 332 | |
5130 | serge | 333 | lea edi, [eax+PROC.heap_lock] |
5595 | serge | 334 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5130 | serge | 335 | |
336 | list_init eax |
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337 | add eax, PROC.thr_list |
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338 | list_init eax |
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339 | |||
2288 | clevermous | 340 | xor eax, eax |
341 | cld |
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342 | rep stosd |
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343 | |||
5595 | serge | 344 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
345 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 346 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 347 | add edi, 8 |
348 | inc eax |
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5202 | serge | 349 | @@: |
350 | stosd |
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351 | inc eax |
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352 | cmp eax, ecx |
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353 | jbe @B |
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354 | |||
5130 | serge | 355 | mov eax, edi |
356 | call get_pg_addr |
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357 | mov [edi-4096+PROC.pdt_0_phys], eax |
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358 | |||
2288 | clevermous | 359 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 360 | xor eax, eax |
361 | rep stosd |
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362 | |||
363 | mov ecx, (OS_BASE shr 20)/4 |
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364 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2288 | clevermous | 365 | rep movsd |
366 | |||
5130 | serge | 367 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5356 | serge | 368 | or eax, PG_SWR |
2288 | clevermous | 369 | mov [edi-4096+(page_tabs shr 20)], eax |
370 | |||
6333 | serge | 371 | lea edx, [edi-4096] |
372 | mov esi, [app_tabs] |
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2288 | clevermous | 373 | |
6333 | serge | 374 | .alloc_page_dir: |
2288 | clevermous | 375 | call alloc_page |
376 | test eax, eax |
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377 | jz .fail |
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6333 | serge | 378 | or eax, PG_UWR |
379 | mov [edx], eax |
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2288 | clevermous | 380 | |
6333 | serge | 381 | mov edi, [tmp_task_ptab] |
382 | stdcall map_page, edi, eax, PG_SWR |
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383 | mov ecx, 1024 |
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2288 | clevermous | 384 | xor eax, eax |
385 | rep stosd |
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386 | |||
6333 | serge | 387 | add edx, 4 |
388 | dec esi |
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389 | jnz .alloc_page_dir |
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2288 | clevermous | 390 | |
6333 | serge | 391 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 392 | mov eax, [process] |
393 | |||
394 | pop edi |
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395 | pop esi |
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396 | pop ebx |
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2288 | clevermous | 397 | ret |
398 | .fail: |
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6333 | serge | 399 | mov ecx, [process] |
400 | jcxz @F |
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401 | |||
402 | call destroy_process |
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2288 | clevermous | 403 | @@: |
404 | xor eax, eax |
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5130 | serge | 405 | pop edi |
406 | pop esi |
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407 | pop ebx |
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2288 | clevermous | 408 | ret |
409 | endp |
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410 | |||
411 | align 4 |
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412 | proc destroy_page_table stdcall, pg_tab:dword |
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413 | |||
414 | push esi |
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415 | |||
416 | mov esi, [pg_tab] |
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417 | mov ecx, 1024 |
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418 | .free: |
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419 | mov eax, [esi] |
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420 | test eax, 1 |
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421 | jz .next |
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5130 | serge | 422 | test eax, 2 |
423 | jz .next |
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2288 | clevermous | 424 | test eax, 1 shl 9 |
425 | jnz .next ;skip shared pages |
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426 | call free_page |
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427 | .next: |
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428 | add esi, 4 |
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429 | dec ecx |
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430 | jnz .free |
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431 | pop esi |
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432 | ret |
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433 | endp |
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434 | |||
435 | align 4 |
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5130 | serge | 436 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 437 | |
5130 | serge | 438 | lea eax, [ecx+PROC.thr_list] |
439 | cmp eax, [eax+LHEAD.next] |
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440 | jne .exit |
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2288 | clevermous | 441 | |
5130 | serge | 442 | align 4 |
443 | .internal: |
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444 | push ecx |
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2288 | clevermous | 445 | |
6263 | serge | 446 | mov esi, ecx |
447 | list_del esi |
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448 | |||
449 | mov esi, [esi+PROC.dlls_list_ptr] |
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5130 | serge | 450 | call destroy_all_hdlls |
2288 | clevermous | 451 | |
5130 | serge | 452 | mov esi, [esp] |
453 | add esi, PROC.pdt_0 |
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454 | mov edi, (0x80000000 shr 20)/4 |
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2288 | clevermous | 455 | .destroy: |
456 | mov eax, [esi] |
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457 | test eax, 1 |
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458 | jz .next |
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459 | and eax, not 0xFFF |
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5356 | serge | 460 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 461 | stdcall destroy_page_table, [tmp_task_ptab] |
462 | mov eax, [esi] |
||
463 | call free_page |
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464 | .next: |
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465 | add esi, 4 |
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466 | dec edi |
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467 | jnz .destroy |
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468 | |||
5130 | serge | 469 | call kernel_free ;ecx still in stack |
470 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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2288 | clevermous | 471 | .exit: |
472 | ret |
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473 | |||
474 | align 4 |
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475 | get_pid: |
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476 | mov eax, [TASK_BASE] |
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477 | mov eax, [eax+TASKDATA.pid] |
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478 | ret |
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479 | |||
480 | pid_to_slot: |
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481 | ;Input: |
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482 | ; eax - pid of process |
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483 | ;Output: |
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484 | ; eax - slot of process or 0 if process don't exists |
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485 | ;Search process by PID. |
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486 | push ebx |
||
487 | push ecx |
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8866 | rgimad | 488 | mov ebx, [thread_count] |
8858 | rgimad | 489 | shl ebx, BSF sizeof.TASKDATA ; multiply by size |
8851 | rgimad | 490 | ; add 2*32 cause: |
8858 | rgimad | 491 | ; [TASK_TABLE; TASK_TABLE + 32) isnt a task actually |
8851 | rgimad | 492 | ; skip first process in the task table |
2288 | clevermous | 493 | mov ecx, 2*32 |
494 | |||
495 | .loop: |
||
8851 | rgimad | 496 | ;ecx = offset of current process info entry |
497 | ;ebx = maximum permitted offset |
||
8874 | rgimad | 498 | cmp [TASK_TABLE+ecx+TASKDATA.state], TSTATE_FREE |
2288 | clevermous | 499 | jz .endloop ;skip empty slots |
8851 | rgimad | 500 | cmp [TASK_TABLE+ecx+TASKDATA.pid], eax;check PID |
2288 | clevermous | 501 | jz .pid_found |
502 | .endloop: |
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8874 | rgimad | 503 | add ecx, sizeof.TASKDATA |
2288 | clevermous | 504 | cmp ecx, ebx |
505 | jle .loop |
||
506 | |||
507 | pop ecx |
||
508 | pop ebx |
||
509 | xor eax, eax |
||
510 | ret |
||
511 | |||
512 | .pid_found: |
||
8858 | rgimad | 513 | shr ecx, BSF sizeof.TASKDATA ; divide by size |
2288 | clevermous | 514 | mov eax, ecx ;convert offset to index of slot |
515 | pop ecx |
||
516 | pop ebx |
||
517 | ret |
||
518 | |||
5130 | serge | 519 | |
2288 | clevermous | 520 | align 4 |
521 | proc read_process_memory |
||
522 | ;Input: |
||
523 | ; eax - process slot |
||
524 | ; ecx - buffer address |
||
525 | ; edx - buffer size |
||
526 | ; esi - start address in other process |
||
527 | ;Output: |
||
528 | ; eax - number of bytes read. |
||
529 | locals |
||
530 | slot dd ? |
||
531 | buff dd ? |
||
532 | r_count dd ? |
||
533 | offset dd ? |
||
534 | tmp_r_cnt dd ? |
||
535 | endl |
||
536 | |||
537 | mov [slot], eax |
||
538 | mov [buff], ecx |
||
539 | and [r_count], 0 |
||
540 | mov [tmp_r_cnt], edx |
||
541 | mov [offset], esi |
||
542 | |||
543 | pushad |
||
544 | .read_mem: |
||
545 | mov edx, [offset] |
||
546 | mov ebx, [tmp_r_cnt] |
||
547 | |||
548 | mov ecx, 0x400000 |
||
549 | and edx, 0x3FFFFF |
||
550 | sub ecx, edx |
||
551 | cmp ecx, ebx |
||
552 | jbe @f |
||
553 | mov ecx, ebx |
||
554 | @@: |
||
555 | cmp ecx, 0x8000 |
||
556 | jna @F |
||
557 | mov ecx, 0x8000 |
||
558 | @@: |
||
559 | mov ebx, [offset] |
||
560 | |||
561 | push ecx |
||
562 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 563 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 564 | pop ecx |
565 | |||
566 | mov esi, [offset] |
||
567 | and esi, 0xfff |
||
568 | sub eax, esi |
||
569 | jbe .ret |
||
570 | cmp ecx, eax |
||
571 | jbe @f |
||
572 | mov ecx, eax |
||
573 | mov [tmp_r_cnt], eax |
||
574 | @@: |
||
575 | add esi, [proc_mem_map] |
||
576 | mov edi, [buff] |
||
577 | mov edx, ecx |
||
578 | rep movsb |
||
579 | add [r_count], edx |
||
580 | |||
581 | add [offset], edx |
||
582 | sub [tmp_r_cnt], edx |
||
583 | jnz .read_mem |
||
584 | .ret: |
||
585 | popad |
||
586 | mov eax, [r_count] |
||
587 | ret |
||
588 | endp |
||
589 | |||
590 | align 4 |
||
591 | proc write_process_memory |
||
592 | ;Input: |
||
593 | ; eax - process slot |
||
594 | ; ecx - buffer address |
||
595 | ; edx - buffer size |
||
596 | ; esi - start address in other process |
||
597 | ;Output: |
||
598 | ; eax - number of bytes written |
||
599 | |||
600 | locals |
||
601 | slot dd ? |
||
602 | buff dd ? |
||
603 | w_count dd ? |
||
604 | offset dd ? |
||
605 | tmp_w_cnt dd ? |
||
606 | endl |
||
607 | |||
608 | mov [slot], eax |
||
609 | mov [buff], ecx |
||
610 | and [w_count], 0 |
||
611 | mov [tmp_w_cnt], edx |
||
612 | mov [offset], esi |
||
613 | |||
614 | pushad |
||
615 | .read_mem: |
||
616 | mov edx, [offset] |
||
617 | mov ebx, [tmp_w_cnt] |
||
618 | |||
619 | mov ecx, 0x400000 |
||
620 | and edx, 0x3FFFFF |
||
621 | sub ecx, edx |
||
622 | cmp ecx, ebx |
||
623 | jbe @f |
||
624 | mov ecx, ebx |
||
625 | @@: |
||
626 | cmp ecx, 0x8000 |
||
627 | jna @F |
||
628 | mov ecx, 0x8000 |
||
629 | @@: |
||
630 | mov ebx, [offset] |
||
631 | push ecx |
||
632 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 633 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 634 | pop ecx |
635 | |||
636 | mov edi, [offset] |
||
637 | and edi, 0xfff |
||
638 | sub eax, edi |
||
639 | jbe .ret |
||
640 | cmp ecx, eax |
||
641 | jbe @f |
||
642 | mov ecx, eax |
||
643 | mov [tmp_w_cnt], eax |
||
644 | @@: |
||
645 | add edi, [proc_mem_map] |
||
646 | mov esi, [buff] |
||
647 | mov edx, ecx |
||
648 | rep movsb |
||
649 | |||
650 | add [w_count], edx |
||
651 | add [offset], edx |
||
652 | sub [tmp_w_cnt], edx |
||
653 | jnz .read_mem |
||
654 | .ret: |
||
655 | popad |
||
656 | mov eax, [w_count] |
||
657 | ret |
||
658 | endp |
||
659 | |||
4105 | Serge | 660 | ;ebx = 1 - kernel thread |
661 | ;ecx=thread entry point |
||
662 | ;edx=thread stack pointer |
||
663 | ;creation flags 0x01 - debugged |
||
664 | ; 0x02 - kernel |
||
665 | |||
2288 | clevermous | 666 | align 4 |
667 | proc new_sys_threads |
||
668 | locals |
||
4105 | Serge | 669 | slot dd ? |
670 | flags dd ? |
||
2288 | clevermous | 671 | app_cmdline dd ? ;0x00 |
672 | app_path dd ? ;0x04 |
||
673 | app_eip dd ? ;0x08 |
||
674 | app_esp dd ? ;0x0C |
||
675 | app_mem dd ? ;0x10 |
||
676 | endl |
||
677 | |||
4105 | Serge | 678 | shl ebx, 1 |
679 | mov [flags], ebx |
||
2288 | clevermous | 680 | |
681 | xor eax, eax |
||
682 | mov [app_eip], ecx |
||
683 | mov [app_cmdline], eax |
||
684 | mov [app_esp], edx |
||
685 | mov [app_path], eax |
||
4105 | Serge | 686 | |
3534 | clevermous | 687 | call lock_application_table |
2288 | clevermous | 688 | |
5130 | serge | 689 | call alloc_thread_slot |
2288 | clevermous | 690 | test eax, eax |
691 | jz .failed |
||
692 | |||
693 | mov [slot], eax |
||
694 | |||
695 | mov esi, [current_slot] |
||
696 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
697 | |||
698 | mov edi, eax |
||
699 | shl edi, 8 |
||
700 | add edi, SLOT_BASE |
||
701 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
8093 | dunkaist | 702 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 703 | xor eax, eax |
704 | cld |
||
705 | rep stosd ;clean extended information about new thread |
||
706 | mov esi, ebx |
||
707 | mov edi, edx |
||
708 | mov ecx, 11 |
||
709 | rep movsb ;copy process name |
||
710 | |||
711 | |||
712 | mov eax, [ebx+APPDATA.tls_base] |
||
713 | test eax, eax |
||
714 | jz @F |
||
715 | |||
716 | push edx |
||
717 | stdcall user_alloc, 4096 |
||
718 | pop edx |
||
719 | test eax, eax |
||
720 | jz .failed1;eax=0 |
||
721 | @@: |
||
722 | mov [edx+APPDATA.tls_base], eax |
||
723 | |||
6090 | serge | 724 | mov eax, [ebx+APPDATA.process] |
725 | mov [edx+APPDATA.process], eax |
||
726 | |||
727 | lea ebx, [edx+APPDATA.list] |
||
728 | lea ecx, [eax+PROC.thr_list] |
||
729 | list_add_tail ebx, ecx ;add thread to process child's list |
||
730 | |||
2288 | clevermous | 731 | lea eax, [app_cmdline] |
6333 | serge | 732 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 733 | |
734 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 735 | call unlock_application_table |
2288 | clevermous | 736 | ret |
737 | .failed: |
||
738 | xor eax, eax |
||
739 | .failed1: |
||
3534 | clevermous | 740 | call unlock_application_table |
2288 | clevermous | 741 | dec eax ;-1 |
742 | ret |
||
743 | endp |
||
744 | |||
6333 | serge | 745 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
746 | |||
747 | mov edx, [img_size] |
||
748 | mov esi, [file_base] |
||
749 | mov ecx, [file_size] |
||
750 | add edx, 4095 |
||
751 | add ecx, 4095 |
||
752 | shr edx, 12 ; total pages |
||
753 | shr ecx, 12 ; image pages |
||
754 | |||
755 | mov edi, page_tabs |
||
756 | shr esi, 10 |
||
757 | add esi, edi |
||
758 | |||
759 | .map_image: |
||
760 | lodsd |
||
761 | and eax, -4096 |
||
762 | or eax, PG_UWR |
||
763 | stosd |
||
764 | dec edx |
||
765 | loop .map_image |
||
766 | |||
767 | test edx, edx |
||
768 | jz .done |
||
769 | .map_bss: |
||
770 | call alloc_page |
||
771 | test eax, eax |
||
772 | jz .fail |
||
773 | |||
774 | or eax, PG_UWR |
||
775 | stosd |
||
776 | dec edx |
||
777 | jnz .map_bss |
||
778 | |||
779 | mov edi, [file_size] |
||
780 | mov ecx, [img_size] |
||
781 | add edi, 4095 |
||
782 | and edi, -4096 |
||
783 | add ecx, 4095 |
||
784 | and ecx, -4096 |
||
785 | sub ecx, edi |
||
786 | shr ecx, 2 |
||
787 | xor eax, eax |
||
788 | rep stosd |
||
789 | .done: |
||
790 | .fail: |
||
791 | ret |
||
792 | endp |
||
793 | |||
2288 | clevermous | 794 | align 4 |
6333 | serge | 795 | common_app_entry: |
796 | mov ebp, [current_slot] |
||
797 | mov ebp, [ebp+APPDATA.exec_params] |
||
798 | test ebp, ebp |
||
799 | jz .exit |
||
8709 | Coldy | 800 | ; APPDATA.exec_params have first thread only, |
801 | ; so second and next threads don't get here (they jump to .exit) |
||
6333 | serge | 802 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
803 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
6502 | pathoswith | 804 | mov esi, [ebp+APP_HDR.path_string] |
6333 | serge | 805 | mov edi, [ebp+APP_HDR.path] |
6758 | pathoswith | 806 | mov ecx, [ebp+APP_HDR.filename_size] |
807 | cmp ecx, 1023 |
||
808 | jc @f |
||
809 | mov ecx, 1022 |
||
810 | @@: |
||
6502 | pathoswith | 811 | push esi |
812 | test edi, edi |
||
813 | jz @f |
||
8593 | rgimad | 814 | stdcall is_region_userspace, edi, [ebp+APP_HDR.filename_size] |
9045 | dunkaist | 815 | jnz @f |
6758 | pathoswith | 816 | mov al, '/' |
817 | stosb |
||
6502 | pathoswith | 818 | rep movsb |
819 | mov byte [edi], 0 |
||
6338 | serge | 820 | @@: |
6502 | pathoswith | 821 | call kernel_free |
6333 | serge | 822 | mov edi, [ebp+APP_HDR.cmdline] |
823 | test edi, edi |
||
824 | jz .check_tls_header |
||
6502 | pathoswith | 825 | lea esi, [ebp+sizeof.APP_HDR] |
826 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
6333 | serge | 827 | cmp ecx, 256 |
828 | jb .copy_cmdline |
||
829 | mov edi, [ebp+APP_HDR._emem] |
||
830 | add edi, 4095 |
||
831 | and edi, -4096 |
||
832 | sub edi, ecx |
||
833 | dec edi |
||
834 | cmp word [6], '00' |
||
6502 | pathoswith | 835 | jne @f |
6333 | serge | 836 | mov [APP_HEADER_00_.i_param], edi |
837 | jmp .copy_cmdline |
||
838 | @@: |
||
839 | mov [APP_HEADER_01_.i_param], edi |
||
840 | .copy_cmdline: |
||
8593 | rgimad | 841 | inc ecx ; keep in mind about 0 in the end |
842 | stdcall is_region_userspace, edi, ecx |
||
9045 | dunkaist | 843 | jnz .check_tls_header |
8593 | rgimad | 844 | dec ecx |
6333 | serge | 845 | rep movsb |
6502 | pathoswith | 846 | mov byte [edi], 0 |
6333 | serge | 847 | .check_tls_header: |
848 | cmp word [6], '02' |
||
8671 | Coldy | 849 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 850 | call init_heap |
851 | stdcall user_alloc, 4096 |
||
852 | mov edx, [current_slot] |
||
853 | mov [edx+APPDATA.tls_base], eax |
||
854 | mov [tls_data_l+2], ax |
||
855 | shr eax, 16 |
||
856 | mov [tls_data_l+4], al |
||
857 | mov [tls_data_l+7], ah |
||
858 | mov dx, app_tls |
||
8671 | Coldy | 859 | mov fs, dx |
8709 | Coldy | 860 | ; { Patch by Coldy, For DLL autoload |
861 | .try_load_dll: |
||
862 | ; Test app header version |
||
8671 | Coldy | 863 | mov ecx, dword[ebp+APP_HDR.img_base] |
864 | cmp dword[ecx+8], 2 |
||
865 | jne .cleanup |
||
8709 | Coldy | 866 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 867 | DEBUGF 1, 'K : App header version 2\n' |
868 | stdcall load_library, dll_lib_path, 0 |
||
869 | cmp eax, 0 |
||
870 | jne @f |
||
8709 | Coldy | 871 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 872 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
873 | stdcall kernel_free, ebp |
||
8709 | Coldy | 874 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 875 | mov ebx, dll_error_msg |
876 | mov ebp, notifyapp |
||
877 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 878 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 879 | call sys_end |
880 | |||
881 | @@: |
||
8709 | Coldy | 882 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 883 | sub eax, 4 |
8709 | Coldy | 884 | mov eax, [eax] |
8671 | Coldy | 885 | |
886 | ;.change_eip: |
||
887 | mov ecx, [current_slot] |
||
888 | mov ecx, [ecx+APPDATA.pl0_stack] |
||
889 | mov [ecx+REG_EIP], eax |
||
890 | |||
891 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 892 | .cleanup: |
893 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
894 | stdcall kernel_free, ebp |
||
6345 | serge | 895 | mov ebx, [current_slot] |
896 | cmp [ebx+APPDATA.debugger_slot], 0 |
||
897 | je .exit |
||
898 | mov eax, [TASK_BASE] |
||
8874 | rgimad | 899 | mov [eax+TASKDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 900 | call change_task |
6333 | serge | 901 | .exit: |
2288 | clevermous | 902 | popad |
903 | iretd |
||
904 | |||
7136 | dunkaist | 905 | EFL_IF = 0x0200 |
906 | EFL_IOPL1 = 0x1000 |
||
907 | EFL_IOPL2 = 0x2000 |
||
908 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 909 | |
910 | align 4 |
||
6333 | serge | 911 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 912 | |
913 | locals |
||
914 | pl0_stack dd ? |
||
915 | endl |
||
916 | |||
7124 | dunkaist | 917 | mov eax, [xsave_area_size] |
918 | add eax, RING0_STACK_SIZE |
||
919 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 920 | mov [pl0_stack], eax |
921 | |||
922 | lea edi, [eax+RING0_STACK_SIZE] |
||
923 | |||
924 | mov eax, [slot] |
||
925 | mov ebx, eax |
||
926 | |||
927 | shl eax, 8 |
||
928 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
929 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
930 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3296 | clevermous | 931 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
2288 | clevermous | 932 | |
933 | ;set default io permission map |
||
8093 | dunkaist | 934 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map] |
2288 | clevermous | 935 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
8093 | dunkaist | 936 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
2288 | clevermous | 937 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
938 | |||
939 | mov esi, fpu_data |
||
7165 | clevermous | 940 | mov ecx, [xsave_area_size] |
941 | add ecx, 3 |
||
942 | shr ecx, 2 |
||
2288 | clevermous | 943 | rep movsd |
944 | |||
8866 | rgimad | 945 | cmp [thread_count], ebx |
8867 | rgimad | 946 | adc [thread_count], 0 ; update number of processes |
2288 | clevermous | 947 | shl ebx, 8 |
948 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
949 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
950 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
951 | |||
952 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
||
953 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
954 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
955 | |||
956 | mov ecx, [def_cursor] |
||
957 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
958 | mov eax, [pl0_stack] |
||
959 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
960 | add eax, RING0_STACK_SIZE |
||
961 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
962 | |||
963 | push ebx |
||
6502 | pathoswith | 964 | stdcall kernel_alloc, maxPathLength |
2288 | clevermous | 965 | pop ebx |
966 | mov esi, [current_slot] |
||
967 | mov esi, [esi+APPDATA.cur_dir] |
||
6502 | pathoswith | 968 | mov ecx, maxPathLength/4 |
2288 | clevermous | 969 | mov edi, eax |
970 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
971 | rep movsd |
||
972 | |||
973 | shr ebx, 3 |
||
8869 | rgimad | 974 | mov dword [TASK_TABLE+ebx+TASKDATA.mem_start], 0 |
2288 | clevermous | 975 | |
976 | mov ebx, [slot] |
||
977 | mov eax, ebx |
||
978 | shl ebx, 5 |
||
979 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
980 | |||
981 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
982 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
||
983 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
8869 | rgimad | 984 | add ebx, TASK_TABLE ;ebx - pointer to information about process |
2288 | clevermous | 985 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
986 | |||
987 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
||
988 | |||
989 | inc dword [process_number] |
||
990 | mov eax, [process_number] |
||
8874 | rgimad | 991 | mov [ebx+TASKDATA.pid], eax ;set PID |
2288 | clevermous | 992 | |
993 | ;set draw data to full screen |
||
994 | xor eax, eax |
||
995 | mov [ecx+0], dword eax |
||
996 | mov [ecx+4], dword eax |
||
5350 | serge | 997 | mov eax, [screen_workarea.right] |
2288 | clevermous | 998 | mov [ecx+8], eax |
5350 | serge | 999 | mov eax, [screen_workarea.bottom] |
2288 | clevermous | 1000 | mov [ecx+12], eax |
1001 | |||
1002 | mov ebx, [pl0_stack] |
||
1003 | mov esi, [params] |
||
1004 | lea ecx, [ebx+REG_EIP] |
||
1005 | xor eax, eax |
||
1006 | |||
6333 | serge | 1007 | mov [ebx+REG_RET], dword common_app_entry |
2288 | clevermous | 1008 | mov [ebx+REG_EDI], eax |
1009 | mov [ebx+REG_ESI], eax |
||
1010 | mov [ebx+REG_EBP], eax |
||
1011 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1012 | mov [ebx+REG_EBX], eax |
||
1013 | mov [ebx+REG_EDX], eax |
||
1014 | mov [ebx+REG_ECX], eax |
||
1015 | mov [ebx+REG_EAX], eax |
||
1016 | |||
6333 | serge | 1017 | mov eax, [esi+APP_HDR.eip] |
1018 | mov [ebx+REG_EIP], eax |
||
2288 | clevermous | 1019 | mov [ebx+REG_CS], dword app_code |
3534 | clevermous | 1020 | mov ecx, USER_PRIORITY |
4105 | Serge | 1021 | |
1022 | test byte [flags], 2 |
||
1023 | jz @F |
||
1024 | |||
3325 | clevermous | 1025 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1026 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1027 | @@: |
2288 | clevermous | 1028 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1029 | |||
6333 | serge | 1030 | mov eax, [esi+APP_HDR.esp] |
1031 | mov [ebx+REG_APP_ESP], eax |
||
2288 | clevermous | 1032 | mov [ebx+REG_SS], dword app_data |
1033 | |||
3534 | clevermous | 1034 | lea edx, [ebx+REG_RET] |
2288 | clevermous | 1035 | mov ebx, [slot] |
1036 | shl ebx, 5 |
||
3534 | clevermous | 1037 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
2288 | clevermous | 1038 | |
3534 | clevermous | 1039 | xor edx, edx; process state - running |
2288 | clevermous | 1040 | ; set if debuggee |
1041 | test byte [flags], 1 |
||
1042 | jz .no_debug |
||
8869 | rgimad | 1043 | mov eax, [current_slot_idx] |
2288 | clevermous | 1044 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
1045 | .no_debug: |
||
8869 | rgimad | 1046 | mov [TASK_TABLE+ebx+TASKDATA.state], dl |
3534 | clevermous | 1047 | lea edx, [SLOT_BASE+ebx*8] |
1048 | call scheduler_add_thread |
||
2288 | clevermous | 1049 | ret |
1050 | endp |
||
1051 | |||
1052 | align 4 |
||
1053 | get_stack_base: |
||
1054 | mov eax, [current_slot] |
||
1055 | mov eax, [eax+APPDATA.pl0_stack] |
||
1056 | ret |
||
1057 | |||
1058 | |||
1059 | include "debug.inc"> |