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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: 9692 $ |
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9 | |||
10 | |||
7136 | dunkaist | 11 | GREEDY_KERNEL = 0 |
2288 | clevermous | 12 | |
2384 | hidnplayr | 13 | struct APP_HEADER_00_ |
14 | banner dq ? |
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15 | version dd ? ;+8 |
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16 | start dd ? ;+12 |
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17 | i_end dd ? ;+16 |
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18 | mem_size dd ? ;+20 |
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19 | i_param dd ? ;+24 |
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20 | ends |
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2288 | clevermous | 21 | |
2384 | hidnplayr | 22 | struct APP_HEADER_01_ |
23 | banner dq ? |
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24 | version dd ? ;+8 |
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25 | start dd ? ;+12 |
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26 | i_end dd ? ;+16 |
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27 | mem_size dd ? ;+20 |
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28 | stack_top dd ? ;+24 |
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29 | i_param dd ? ;+28 |
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30 | i_icon dd ? ;+32 |
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31 | ends |
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2288 | clevermous | 32 | |
6333 | serge | 33 | struct APP_HDR |
34 | cmdline rd 1 ;0x00 |
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35 | path rd 1 ;0x04 |
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36 | eip rd 1 ;0x08 |
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37 | esp rd 1 ;0x0C |
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38 | _edata rd 1 ;0x10 |
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39 | _emem rd 1 ;0x14 |
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40 | img_base rd 1 ;0x18 |
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41 | img_size rd 1 |
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42 | filename_size rd 1 |
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43 | cmdline_size rd 1 |
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6502 | pathoswith | 44 | path_string rd 1 |
2384 | hidnplayr | 45 | ends |
2288 | clevermous | 46 | |
47 | macro _clear_ op |
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48 | { mov ecx, op/4 |
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49 | xor eax, eax |
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50 | cld |
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51 | rep stosd |
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52 | } |
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53 | |||
6333 | serge | 54 | align 4 |
55 | _strnlen: |
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56 | mov edx, ecx |
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57 | xor eax, eax |
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58 | repne scasb |
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59 | jne @F |
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60 | inc ecx |
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61 | @@: |
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62 | mov eax, edx |
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63 | sub eax, ecx |
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64 | retn |
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65 | |||
2288 | clevermous | 66 | fs_execute_from_sysdir: |
67 | xor ebx, ebx |
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68 | fs_execute_from_sysdir_param: |
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6792 | pathoswith | 69 | stdcall kernel_alloc, maxPathLength |
70 | push eax ebx |
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71 | mov esi, ebp |
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72 | mov edi, eax |
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73 | xor eax, eax |
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74 | call getFullPath |
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75 | pop ecx ebx |
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2288 | clevermous | 76 | xor edx, edx |
9031 | Boppan | 77 | ; @brief Executes a program |
78 | ; @param edx Flags |
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79 | ; @param ecx Commandline |
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80 | ; @param ebx Absolute file path |
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81 | ; @param eax String length |
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9032 | Boppan | 82 | ; @returns Negated error code or new process number |
2288 | clevermous | 83 | proc fs_execute |
6502 | pathoswith | 84 | locals |
85 | cmdline rd 1 |
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86 | flags rd 1 |
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8593 | rgimad | 87 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 88 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 89 | ; app header data |
90 | hdr_cmdline rd 1 |
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91 | hdr_path rd 1 |
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92 | hdr_eip rd 1 |
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93 | hdr_esp rd 1 |
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94 | hdr_edata rd 1 |
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95 | hdr_emem rd 1 |
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96 | file_base rd 1 |
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97 | file_size rd 1 |
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98 | filename_size rd 1 |
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99 | cmdline_size rd 1 |
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100 | path_string rd 1 |
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101 | endl |
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2288 | clevermous | 102 | |
9248 | Doczom | 103 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
6333 | serge | 104 | mov [flags], edx |
6792 | pathoswith | 105 | mov [cmdline], ecx |
106 | mov [path_string], ebx |
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107 | mov [filename_size], eax |
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108 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 109 | test eax, eax |
110 | jz .err_file |
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6792 | pathoswith | 111 | stdcall load_file, ebx |
2288 | clevermous | 112 | test eax, eax |
113 | jz .err_file |
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114 | |||
115 | mov [file_base], eax |
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116 | mov [file_size], ebx |
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117 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 118 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
9038 | Boppan | 119 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
2288 | clevermous | 120 | test eax, eax |
121 | jz .err_hdr |
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122 | |||
3534 | clevermous | 123 | call lock_application_table |
8592 | rgimad | 124 | call alloc_thread_slot ; create a slot for new thread |
9038 | Boppan | 125 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
2288 | clevermous | 126 | test eax, eax |
6333 | serge | 127 | jz .err_0 |
2288 | clevermous | 128 | |
129 | mov [slot], eax |
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130 | shl eax, 8 |
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6333 | serge | 131 | lea edi, [SLOT_BASE+eax] |
132 | mov [slot_base], edi |
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6502 | pathoswith | 133 | ; clean extended information about process |
8093 | dunkaist | 134 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 135 | xor eax, eax |
136 | cld |
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137 | rep stosd |
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8592 | rgimad | 138 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 139 | stdcall strrchr, [path_string], '/' |
140 | lea esi, [eax+1] ; -> name without path |
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141 | mov ecx, 11 |
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142 | mov edi, [slot_base] |
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2288 | clevermous | 143 | @@: |
6502 | pathoswith | 144 | call utf8to16 |
145 | call uni2ansi_char |
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2288 | clevermous | 146 | cmp al, '.' |
6502 | pathoswith | 147 | jz @f |
2288 | clevermous | 148 | test al, al |
6502 | pathoswith | 149 | jz @f |
2288 | clevermous | 150 | stosb |
6502 | pathoswith | 151 | loop @b |
152 | @@: |
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6333 | serge | 153 | mov edi, [cmdline] |
154 | xor eax, eax |
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155 | test edi, edi |
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6502 | pathoswith | 156 | jz @f |
6333 | serge | 157 | mov ecx, 65535 |
158 | call _strnlen |
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159 | cmp eax, 256 |
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6502 | pathoswith | 160 | jb @f |
8592 | rgimad | 161 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 162 | lea ebx, [eax+1] |
163 | add [hdr_emem], ebx |
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164 | @@: |
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165 | mov [cmdline_size], eax |
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8592 | rgimad | 166 | stdcall create_process, [hdr_emem] ; create a new process |
9038 | Boppan | 167 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
2288 | clevermous | 168 | test eax, eax |
6333 | serge | 169 | jz .err_hdr |
2288 | clevermous | 170 | |
8592 | rgimad | 171 | ; add new process to the list |
6263 | serge | 172 | mov ebx, [sys_proc+LHEAD.prev] |
173 | __list_add eax, ebx, sys_proc |
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8592 | rgimad | 174 | ; fill the structure fields: |
6333 | serge | 175 | mov ebx, [hdr_emem] |
5130 | serge | 176 | mov [eax+PROC.mem_used], ebx |
8592 | rgimad | 177 | |
178 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 179 | mov ebx, [slot_base] |
5130 | serge | 180 | mov [ebx+APPDATA.process], eax |
8592 | rgimad | 181 | |
182 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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5130 | serge | 183 | lea edx, [ebx+APPDATA.list] |
184 | lea ecx, [eax+PROC.thr_list] |
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185 | list_add_tail edx, ecx |
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8592 | rgimad | 186 | |
187 | ; allocate space and copy app header data locals and cmdline string there, put pointer to exec_params of new thread |
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6502 | pathoswith | 188 | mov eax, [cmdline_size] |
189 | add eax, sizeof.APP_HDR |
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190 | stdcall kernel_alloc, eax |
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6333 | serge | 191 | mov [ebx+APPDATA.exec_params], eax |
192 | mov edi, eax |
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193 | lea esi, [hdr_cmdline] |
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194 | mov ecx, sizeof.APP_HDR/4 |
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195 | rep movsd |
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196 | mov ecx, [cmdline_size] |
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197 | mov esi, [cmdline] |
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198 | rep movsb |
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8592 | rgimad | 199 | ; set other parameters of application |
2288 | clevermous | 200 | lea eax, [hdr_cmdline] |
6333 | serge | 201 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 202 | mov eax, [process_number] ; return process number |
6333 | serge | 203 | call unlock_application_table |
204 | ret |
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2288 | clevermous | 205 | |
6333 | serge | 206 | .err_0: |
3534 | clevermous | 207 | call unlock_application_table |
2288 | clevermous | 208 | .err_hdr: |
209 | stdcall kernel_free, [file_base] |
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210 | .err_file: |
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6502 | pathoswith | 211 | stdcall kernel_free, [path_string] |
2288 | clevermous | 212 | mov eax, esi |
213 | ret |
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214 | endp |
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215 | |||
216 | align 4 |
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217 | test_app_header: |
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218 | virtual at eax |
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2384 | hidnplayr | 219 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 220 | end virtual |
221 | virtual at eax |
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2384 | hidnplayr | 222 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 223 | end virtual |
224 | |||
225 | cmp dword [eax], 'MENU' |
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226 | jne .fail |
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227 | cmp word [eax+4], 'ET' |
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228 | jne .fail |
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229 | |||
230 | cmp [eax+6], word '00' |
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231 | jne .check_01_header |
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232 | |||
233 | mov ecx, [APP_HEADER_00.start] |
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6333 | serge | 234 | mov [ebx+APP_HDR.eip], ecx |
2288 | clevermous | 235 | mov edx, [APP_HEADER_00.mem_size] |
6333 | serge | 236 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 237 | shr edx, 1 |
238 | sub edx, 0x10 |
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6333 | serge | 239 | mov [ebx+APP_HDR.esp], edx |
2288 | clevermous | 240 | mov ecx, [APP_HEADER_00.i_param] |
6333 | serge | 241 | mov [ebx+APP_HDR.cmdline], ecx |
242 | mov [ebx+APP_HDR.path], 0 |
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2288 | clevermous | 243 | mov edx, [APP_HEADER_00.i_end] |
6333 | serge | 244 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 245 | ret |
246 | |||
247 | .check_01_header: |
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248 | |||
249 | cmp [eax+6], word '01' |
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250 | je @f |
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251 | cmp [eax+6], word '02' |
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252 | jne .fail |
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253 | @@: |
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254 | mov ecx, [APP_HEADER_01.start] |
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6333 | serge | 255 | mov [ebx+0x08], ecx |
2288 | clevermous | 256 | mov edx, [APP_HEADER_01.mem_size] |
257 | |||
258 | ; \begin{diamond}[20.08.2006] |
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259 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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260 | ; fit in allocated memory to prevent kernel faults) |
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261 | cmp edx, [APP_HEADER_01.i_end] |
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262 | jb .fail |
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263 | ; \end{diamond}[20.08.2006] |
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264 | |||
6333 | serge | 265 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 266 | mov ecx, [APP_HEADER_01.stack_top] |
6333 | serge | 267 | mov [ebx+APP_HDR.esp], ecx |
2288 | clevermous | 268 | mov edx, [APP_HEADER_01.i_param] |
6333 | serge | 269 | mov [ebx+APP_HDR.cmdline], edx |
2288 | clevermous | 270 | mov ecx, [APP_HEADER_01.i_icon] |
6333 | serge | 271 | mov [ebx+APP_HDR.path], ecx |
2288 | clevermous | 272 | mov edx, [APP_HEADER_01.i_end] |
6333 | serge | 273 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 274 | ret |
275 | .fail: |
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276 | xor eax, eax |
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277 | ret |
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278 | |||
279 | align 4 |
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5130 | serge | 280 | alloc_thread_slot: |
2288 | clevermous | 281 | ;input: |
282 | ; none |
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283 | ;result: |
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5130 | serge | 284 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 285 | ; 0 - failed. |
286 | ;This function find least empty slot. |
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8866 | rgimad | 287 | ;It doesn't increase [thread_count]! |
5130 | serge | 288 | |
289 | |||
290 | mov edx, thr_slot_map |
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291 | pushfd |
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292 | cli |
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293 | .l1: |
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294 | bsf eax, [edx] |
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295 | jnz .found |
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296 | add edx, 4 |
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297 | cmp edx, thr_slot_map+32 |
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298 | jb .l1 |
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299 | |||
300 | popfd |
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2288 | clevermous | 301 | xor eax, eax |
302 | ret |
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5130 | serge | 303 | .found: |
304 | btr [edx], eax |
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305 | sub edx, thr_slot_map |
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306 | lea eax, [eax+edx*8] |
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307 | popfd |
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308 | ret |
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2288 | clevermous | 309 | |
310 | align 4 |
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6333 | serge | 311 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 312 | locals |
5130 | serge | 313 | process dd ? |
2288 | clevermous | 314 | app_tabs dd ? |
315 | endl |
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316 | |||
5130 | serge | 317 | push ebx |
318 | push esi |
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319 | push edi |
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320 | |||
2288 | clevermous | 321 | xor eax, eax |
5130 | serge | 322 | mov [process], eax |
2288 | clevermous | 323 | |
324 | mov eax, [app_size] |
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6333 | serge | 325 | add eax, 0x3FFFFF |
326 | shr eax, 22 |
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327 | mov [app_tabs], eax |
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2288 | clevermous | 328 | |
5130 | serge | 329 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 330 | test eax, eax |
331 | jz .fail |
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5130 | serge | 332 | mov [process], eax |
2288 | clevermous | 333 | |
5130 | serge | 334 | lea edi, [eax+PROC.heap_lock] |
5595 | serge | 335 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5130 | serge | 336 | |
337 | list_init eax |
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338 | add eax, PROC.thr_list |
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339 | list_init eax |
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340 | |||
2288 | clevermous | 341 | xor eax, eax |
342 | cld |
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343 | rep stosd |
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344 | |||
5595 | serge | 345 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
346 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 347 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 348 | add edi, 8 |
349 | inc eax |
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5202 | serge | 350 | @@: |
351 | stosd |
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352 | inc eax |
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353 | cmp eax, ecx |
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354 | jbe @B |
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355 | |||
5130 | serge | 356 | mov eax, edi |
357 | call get_pg_addr |
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358 | mov [edi-4096+PROC.pdt_0_phys], eax |
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359 | |||
2288 | clevermous | 360 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 361 | xor eax, eax |
362 | rep stosd |
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363 | |||
364 | mov ecx, (OS_BASE shr 20)/4 |
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365 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2288 | clevermous | 366 | rep movsd |
367 | |||
5130 | serge | 368 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5356 | serge | 369 | or eax, PG_SWR |
2288 | clevermous | 370 | mov [edi-4096+(page_tabs shr 20)], eax |
371 | |||
6333 | serge | 372 | lea edx, [edi-4096] |
373 | mov esi, [app_tabs] |
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2288 | clevermous | 374 | |
6333 | serge | 375 | .alloc_page_dir: |
2288 | clevermous | 376 | call alloc_page |
377 | test eax, eax |
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378 | jz .fail |
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6333 | serge | 379 | or eax, PG_UWR |
380 | mov [edx], eax |
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2288 | clevermous | 381 | |
6333 | serge | 382 | mov edi, [tmp_task_ptab] |
383 | stdcall map_page, edi, eax, PG_SWR |
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384 | mov ecx, 1024 |
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2288 | clevermous | 385 | xor eax, eax |
386 | rep stosd |
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387 | |||
6333 | serge | 388 | add edx, 4 |
389 | dec esi |
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390 | jnz .alloc_page_dir |
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2288 | clevermous | 391 | |
6333 | serge | 392 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 393 | mov eax, [process] |
394 | |||
395 | pop edi |
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396 | pop esi |
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397 | pop ebx |
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2288 | clevermous | 398 | ret |
399 | .fail: |
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6333 | serge | 400 | mov ecx, [process] |
401 | jcxz @F |
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402 | |||
403 | call destroy_process |
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2288 | clevermous | 404 | @@: |
405 | xor eax, eax |
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5130 | serge | 406 | pop edi |
407 | pop esi |
||
408 | pop ebx |
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2288 | clevermous | 409 | ret |
410 | endp |
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411 | |||
412 | align 4 |
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413 | proc destroy_page_table stdcall, pg_tab:dword |
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414 | |||
415 | push esi |
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416 | |||
417 | mov esi, [pg_tab] |
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418 | mov ecx, 1024 |
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419 | .free: |
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420 | mov eax, [esi] |
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421 | test eax, 1 |
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422 | jz .next |
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5130 | serge | 423 | test eax, 2 |
424 | jz .next |
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2288 | clevermous | 425 | test eax, 1 shl 9 |
426 | jnz .next ;skip shared pages |
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427 | call free_page |
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428 | .next: |
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429 | add esi, 4 |
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430 | dec ecx |
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431 | jnz .free |
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432 | pop esi |
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433 | ret |
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434 | endp |
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435 | |||
436 | align 4 |
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5130 | serge | 437 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 438 | |
5130 | serge | 439 | lea eax, [ecx+PROC.thr_list] |
440 | cmp eax, [eax+LHEAD.next] |
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441 | jne .exit |
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2288 | clevermous | 442 | |
5130 | serge | 443 | align 4 |
444 | .internal: |
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445 | push ecx |
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2288 | clevermous | 446 | |
6263 | serge | 447 | mov esi, ecx |
448 | list_del esi |
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449 | |||
450 | mov esi, [esi+PROC.dlls_list_ptr] |
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5130 | serge | 451 | call destroy_all_hdlls |
2288 | clevermous | 452 | |
5130 | serge | 453 | mov esi, [esp] |
454 | add esi, PROC.pdt_0 |
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455 | mov edi, (0x80000000 shr 20)/4 |
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2288 | clevermous | 456 | .destroy: |
457 | mov eax, [esi] |
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458 | test eax, 1 |
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459 | jz .next |
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460 | and eax, not 0xFFF |
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5356 | serge | 461 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 462 | stdcall destroy_page_table, [tmp_task_ptab] |
463 | mov eax, [esi] |
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464 | call free_page |
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465 | .next: |
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466 | add esi, 4 |
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467 | dec edi |
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468 | jnz .destroy |
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469 | |||
5130 | serge | 470 | call kernel_free ;ecx still in stack |
471 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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2288 | clevermous | 472 | .exit: |
473 | ret |
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474 | |||
475 | align 4 |
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476 | get_pid: |
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9613 | Doczom | 477 | mov eax, [current_slot] |
478 | mov eax, [eax+APPDATA.tid] |
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2288 | clevermous | 479 | ret |
480 | |||
481 | pid_to_slot: |
||
482 | ;Input: |
||
483 | ; eax - pid of process |
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484 | ;Output: |
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485 | ; eax - slot of process or 0 if process don't exists |
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486 | ;Search process by PID. |
||
487 | push ebx |
||
488 | push ecx |
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8866 | rgimad | 489 | mov ebx, [thread_count] |
9613 | Doczom | 490 | shl ebx, BSF sizeof.TASKDATA ; multiply by size |
491 | ;shl ebx, BSF sizeof.APPDATA ; multiply by size |
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8851 | rgimad | 492 | ; add 2*32 cause: |
8858 | rgimad | 493 | ; [TASK_TABLE; TASK_TABLE + 32) isnt a task actually |
8851 | rgimad | 494 | ; skip first process in the task table |
9613 | Doczom | 495 | mov ecx, 2*32 ;sizeof.TASKDATA |
496 | ;mov ecx, sizeof.APPDATA |
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2288 | clevermous | 497 | |
498 | .loop: |
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8851 | rgimad | 499 | ;ecx = offset of current process info entry |
500 | ;ebx = maximum permitted offset |
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8874 | rgimad | 501 | cmp [TASK_TABLE+ecx+TASKDATA.state], TSTATE_FREE |
2288 | clevermous | 502 | jz .endloop ;skip empty slots |
9613 | Doczom | 503 | ;cmp [ecx+SLOT_BASE+APPDATA.state], TSTATE_FREE |
504 | ;jz .endloop ;skip empty slots |
||
9692 | Doczom | 505 | cmp [ecx*8 + SLOT_BASE + APPDATA.tid], eax;check PID |
506 | jz .pid_found |
||
2288 | clevermous | 507 | .endloop: |
8874 | rgimad | 508 | add ecx, sizeof.TASKDATA |
9613 | Doczom | 509 | ;add ecx, sizeof.APPDATA |
2288 | clevermous | 510 | cmp ecx, ebx |
511 | jle .loop |
||
512 | |||
513 | pop ecx |
||
514 | pop ebx |
||
515 | xor eax, eax |
||
516 | ret |
||
517 | |||
518 | .pid_found: |
||
8858 | rgimad | 519 | shr ecx, BSF sizeof.TASKDATA ; divide by size |
9613 | Doczom | 520 | ;shr ecx, BSF sizeof.APPDATA |
2288 | clevermous | 521 | mov eax, ecx ;convert offset to index of slot |
522 | pop ecx |
||
523 | pop ebx |
||
524 | ret |
||
525 | |||
5130 | serge | 526 | |
2288 | clevermous | 527 | align 4 |
528 | proc read_process_memory |
||
529 | ;Input: |
||
530 | ; eax - process slot |
||
531 | ; ecx - buffer address |
||
532 | ; edx - buffer size |
||
533 | ; esi - start address in other process |
||
534 | ;Output: |
||
535 | ; eax - number of bytes read. |
||
536 | locals |
||
537 | slot dd ? |
||
538 | buff dd ? |
||
539 | r_count dd ? |
||
540 | offset dd ? |
||
541 | tmp_r_cnt dd ? |
||
542 | endl |
||
543 | |||
544 | mov [slot], eax |
||
545 | mov [buff], ecx |
||
546 | and [r_count], 0 |
||
547 | mov [tmp_r_cnt], edx |
||
548 | mov [offset], esi |
||
549 | |||
550 | pushad |
||
551 | .read_mem: |
||
552 | mov edx, [offset] |
||
553 | mov ebx, [tmp_r_cnt] |
||
554 | |||
555 | mov ecx, 0x400000 |
||
556 | and edx, 0x3FFFFF |
||
557 | sub ecx, edx |
||
558 | cmp ecx, ebx |
||
559 | jbe @f |
||
560 | mov ecx, ebx |
||
561 | @@: |
||
562 | cmp ecx, 0x8000 |
||
563 | jna @F |
||
564 | mov ecx, 0x8000 |
||
565 | @@: |
||
566 | mov ebx, [offset] |
||
567 | |||
568 | push ecx |
||
569 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 570 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 571 | pop ecx |
572 | |||
573 | mov esi, [offset] |
||
574 | and esi, 0xfff |
||
575 | sub eax, esi |
||
576 | jbe .ret |
||
577 | cmp ecx, eax |
||
578 | jbe @f |
||
579 | mov ecx, eax |
||
580 | mov [tmp_r_cnt], eax |
||
581 | @@: |
||
582 | add esi, [proc_mem_map] |
||
583 | mov edi, [buff] |
||
584 | mov edx, ecx |
||
585 | rep movsb |
||
586 | add [r_count], edx |
||
587 | |||
588 | add [offset], edx |
||
589 | sub [tmp_r_cnt], edx |
||
590 | jnz .read_mem |
||
591 | .ret: |
||
592 | popad |
||
593 | mov eax, [r_count] |
||
594 | ret |
||
595 | endp |
||
596 | |||
597 | align 4 |
||
598 | proc write_process_memory |
||
599 | ;Input: |
||
600 | ; eax - process slot |
||
601 | ; ecx - buffer address |
||
602 | ; edx - buffer size |
||
603 | ; esi - start address in other process |
||
604 | ;Output: |
||
605 | ; eax - number of bytes written |
||
606 | |||
607 | locals |
||
608 | slot dd ? |
||
609 | buff dd ? |
||
610 | w_count dd ? |
||
611 | offset dd ? |
||
612 | tmp_w_cnt dd ? |
||
613 | endl |
||
614 | |||
615 | mov [slot], eax |
||
616 | mov [buff], ecx |
||
617 | and [w_count], 0 |
||
618 | mov [tmp_w_cnt], edx |
||
619 | mov [offset], esi |
||
620 | |||
621 | pushad |
||
622 | .read_mem: |
||
623 | mov edx, [offset] |
||
624 | mov ebx, [tmp_w_cnt] |
||
625 | |||
626 | mov ecx, 0x400000 |
||
627 | and edx, 0x3FFFFF |
||
628 | sub ecx, edx |
||
629 | cmp ecx, ebx |
||
630 | jbe @f |
||
631 | mov ecx, ebx |
||
632 | @@: |
||
633 | cmp ecx, 0x8000 |
||
634 | jna @F |
||
635 | mov ecx, 0x8000 |
||
636 | @@: |
||
637 | mov ebx, [offset] |
||
638 | push ecx |
||
639 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 640 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 641 | pop ecx |
642 | |||
643 | mov edi, [offset] |
||
644 | and edi, 0xfff |
||
645 | sub eax, edi |
||
646 | jbe .ret |
||
647 | cmp ecx, eax |
||
648 | jbe @f |
||
649 | mov ecx, eax |
||
650 | mov [tmp_w_cnt], eax |
||
651 | @@: |
||
652 | add edi, [proc_mem_map] |
||
653 | mov esi, [buff] |
||
654 | mov edx, ecx |
||
655 | rep movsb |
||
656 | |||
657 | add [w_count], edx |
||
658 | add [offset], edx |
||
659 | sub [tmp_w_cnt], edx |
||
660 | jnz .read_mem |
||
661 | .ret: |
||
662 | popad |
||
663 | mov eax, [w_count] |
||
664 | ret |
||
665 | endp |
||
666 | |||
4105 | Serge | 667 | ;ebx = 1 - kernel thread |
668 | ;ecx=thread entry point |
||
669 | ;edx=thread stack pointer |
||
670 | ;creation flags 0x01 - debugged |
||
671 | ; 0x02 - kernel |
||
672 | |||
2288 | clevermous | 673 | align 4 |
674 | proc new_sys_threads |
||
675 | locals |
||
4105 | Serge | 676 | slot dd ? |
677 | flags dd ? |
||
2288 | clevermous | 678 | app_cmdline dd ? ;0x00 |
679 | app_path dd ? ;0x04 |
||
680 | app_eip dd ? ;0x08 |
||
681 | app_esp dd ? ;0x0C |
||
682 | app_mem dd ? ;0x10 |
||
683 | endl |
||
684 | |||
4105 | Serge | 685 | shl ebx, 1 |
686 | mov [flags], ebx |
||
2288 | clevermous | 687 | |
688 | xor eax, eax |
||
689 | mov [app_eip], ecx |
||
690 | mov [app_cmdline], eax |
||
691 | mov [app_esp], edx |
||
692 | mov [app_path], eax |
||
4105 | Serge | 693 | |
3534 | clevermous | 694 | call lock_application_table |
2288 | clevermous | 695 | |
5130 | serge | 696 | call alloc_thread_slot |
2288 | clevermous | 697 | test eax, eax |
698 | jz .failed |
||
699 | |||
700 | mov [slot], eax |
||
701 | |||
702 | mov esi, [current_slot] |
||
703 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
704 | |||
705 | mov edi, eax |
||
706 | shl edi, 8 |
||
707 | add edi, SLOT_BASE |
||
708 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
8093 | dunkaist | 709 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 710 | xor eax, eax |
711 | cld |
||
712 | rep stosd ;clean extended information about new thread |
||
713 | mov esi, ebx |
||
714 | mov edi, edx |
||
715 | mov ecx, 11 |
||
716 | rep movsb ;copy process name |
||
717 | |||
718 | |||
719 | mov eax, [ebx+APPDATA.tls_base] |
||
720 | test eax, eax |
||
721 | jz @F |
||
722 | |||
723 | push edx |
||
724 | stdcall user_alloc, 4096 |
||
725 | pop edx |
||
726 | test eax, eax |
||
727 | jz .failed1;eax=0 |
||
728 | @@: |
||
729 | mov [edx+APPDATA.tls_base], eax |
||
730 | |||
6090 | serge | 731 | mov eax, [ebx+APPDATA.process] |
732 | mov [edx+APPDATA.process], eax |
||
733 | |||
734 | lea ebx, [edx+APPDATA.list] |
||
735 | lea ecx, [eax+PROC.thr_list] |
||
736 | list_add_tail ebx, ecx ;add thread to process child's list |
||
737 | |||
2288 | clevermous | 738 | lea eax, [app_cmdline] |
6333 | serge | 739 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 740 | |
741 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 742 | call unlock_application_table |
2288 | clevermous | 743 | ret |
744 | .failed: |
||
745 | xor eax, eax |
||
746 | .failed1: |
||
3534 | clevermous | 747 | call unlock_application_table |
2288 | clevermous | 748 | dec eax ;-1 |
749 | ret |
||
750 | endp |
||
751 | |||
6333 | serge | 752 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
753 | |||
754 | mov edx, [img_size] |
||
755 | mov esi, [file_base] |
||
756 | mov ecx, [file_size] |
||
757 | add edx, 4095 |
||
758 | add ecx, 4095 |
||
759 | shr edx, 12 ; total pages |
||
760 | shr ecx, 12 ; image pages |
||
761 | |||
762 | mov edi, page_tabs |
||
763 | shr esi, 10 |
||
764 | add esi, edi |
||
765 | |||
766 | .map_image: |
||
767 | lodsd |
||
768 | and eax, -4096 |
||
769 | or eax, PG_UWR |
||
770 | stosd |
||
771 | dec edx |
||
772 | loop .map_image |
||
773 | |||
774 | test edx, edx |
||
775 | jz .done |
||
776 | .map_bss: |
||
777 | call alloc_page |
||
778 | test eax, eax |
||
779 | jz .fail |
||
780 | |||
781 | or eax, PG_UWR |
||
782 | stosd |
||
783 | dec edx |
||
784 | jnz .map_bss |
||
785 | |||
786 | mov edi, [file_size] |
||
787 | mov ecx, [img_size] |
||
788 | add edi, 4095 |
||
789 | and edi, -4096 |
||
790 | add ecx, 4095 |
||
791 | and ecx, -4096 |
||
792 | sub ecx, edi |
||
793 | shr ecx, 2 |
||
794 | xor eax, eax |
||
795 | rep stosd |
||
796 | .done: |
||
797 | .fail: |
||
798 | ret |
||
799 | endp |
||
800 | |||
2288 | clevermous | 801 | align 4 |
6333 | serge | 802 | common_app_entry: |
803 | mov ebp, [current_slot] |
||
804 | mov ebp, [ebp+APPDATA.exec_params] |
||
805 | test ebp, ebp |
||
806 | jz .exit |
||
8709 | Coldy | 807 | ; APPDATA.exec_params have first thread only, |
808 | ; so second and next threads don't get here (they jump to .exit) |
||
6333 | serge | 809 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
810 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
6502 | pathoswith | 811 | mov esi, [ebp+APP_HDR.path_string] |
6333 | serge | 812 | mov edi, [ebp+APP_HDR.path] |
6758 | pathoswith | 813 | mov ecx, [ebp+APP_HDR.filename_size] |
814 | cmp ecx, 1023 |
||
815 | jc @f |
||
816 | mov ecx, 1022 |
||
817 | @@: |
||
6502 | pathoswith | 818 | push esi |
819 | test edi, edi |
||
820 | jz @f |
||
8593 | rgimad | 821 | stdcall is_region_userspace, edi, [ebp+APP_HDR.filename_size] |
9045 | dunkaist | 822 | jnz @f |
6758 | pathoswith | 823 | mov al, '/' |
824 | stosb |
||
6502 | pathoswith | 825 | rep movsb |
826 | mov byte [edi], 0 |
||
6338 | serge | 827 | @@: |
6502 | pathoswith | 828 | call kernel_free |
6333 | serge | 829 | mov edi, [ebp+APP_HDR.cmdline] |
830 | test edi, edi |
||
831 | jz .check_tls_header |
||
6502 | pathoswith | 832 | lea esi, [ebp+sizeof.APP_HDR] |
833 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
6333 | serge | 834 | cmp ecx, 256 |
835 | jb .copy_cmdline |
||
836 | mov edi, [ebp+APP_HDR._emem] |
||
837 | add edi, 4095 |
||
838 | and edi, -4096 |
||
839 | sub edi, ecx |
||
840 | dec edi |
||
841 | cmp word [6], '00' |
||
6502 | pathoswith | 842 | jne @f |
6333 | serge | 843 | mov [APP_HEADER_00_.i_param], edi |
844 | jmp .copy_cmdline |
||
845 | @@: |
||
846 | mov [APP_HEADER_01_.i_param], edi |
||
847 | .copy_cmdline: |
||
8593 | rgimad | 848 | inc ecx ; keep in mind about 0 in the end |
849 | stdcall is_region_userspace, edi, ecx |
||
9045 | dunkaist | 850 | jnz .check_tls_header |
8593 | rgimad | 851 | dec ecx |
6333 | serge | 852 | rep movsb |
6502 | pathoswith | 853 | mov byte [edi], 0 |
6333 | serge | 854 | .check_tls_header: |
855 | cmp word [6], '02' |
||
8671 | Coldy | 856 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 857 | call init_heap |
858 | stdcall user_alloc, 4096 |
||
859 | mov edx, [current_slot] |
||
860 | mov [edx+APPDATA.tls_base], eax |
||
861 | mov [tls_data_l+2], ax |
||
862 | shr eax, 16 |
||
863 | mov [tls_data_l+4], al |
||
864 | mov [tls_data_l+7], ah |
||
865 | mov dx, app_tls |
||
8671 | Coldy | 866 | mov fs, dx |
8709 | Coldy | 867 | ; { Patch by Coldy, For DLL autoload |
868 | .try_load_dll: |
||
869 | ; Test app header version |
||
8671 | Coldy | 870 | mov ecx, dword[ebp+APP_HDR.img_base] |
871 | cmp dword[ecx+8], 2 |
||
872 | jne .cleanup |
||
8709 | Coldy | 873 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 874 | DEBUGF 1, 'K : App header version 2\n' |
875 | stdcall load_library, dll_lib_path, 0 |
||
876 | cmp eax, 0 |
||
877 | jne @f |
||
8709 | Coldy | 878 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 879 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
880 | stdcall kernel_free, ebp |
||
8709 | Coldy | 881 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 882 | mov ebx, dll_error_msg |
883 | mov ebp, notifyapp |
||
884 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 885 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 886 | call sys_end |
887 | |||
888 | @@: |
||
8709 | Coldy | 889 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 890 | sub eax, 4 |
8709 | Coldy | 891 | mov eax, [eax] |
8671 | Coldy | 892 | |
893 | ;.change_eip: |
||
894 | mov ecx, [current_slot] |
||
895 | mov ecx, [ecx+APPDATA.pl0_stack] |
||
896 | mov [ecx+REG_EIP], eax |
||
897 | |||
898 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 899 | .cleanup: |
900 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
901 | stdcall kernel_free, ebp |
||
6345 | serge | 902 | mov ebx, [current_slot] |
903 | cmp [ebx+APPDATA.debugger_slot], 0 |
||
904 | je .exit |
||
9613 | Doczom | 905 | mov [ebx+APPDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 906 | mov eax, [TASK_BASE] |
8874 | rgimad | 907 | mov [eax+TASKDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 908 | call change_task |
6333 | serge | 909 | .exit: |
2288 | clevermous | 910 | popad |
911 | iretd |
||
912 | |||
7136 | dunkaist | 913 | EFL_IF = 0x0200 |
914 | EFL_IOPL1 = 0x1000 |
||
915 | EFL_IOPL2 = 0x2000 |
||
916 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 917 | |
918 | align 4 |
||
6333 | serge | 919 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 920 | |
921 | locals |
||
922 | pl0_stack dd ? |
||
923 | endl |
||
924 | |||
7124 | dunkaist | 925 | mov eax, [xsave_area_size] |
926 | add eax, RING0_STACK_SIZE |
||
927 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 928 | mov [pl0_stack], eax |
929 | |||
930 | lea edi, [eax+RING0_STACK_SIZE] |
||
931 | |||
932 | mov eax, [slot] |
||
933 | mov ebx, eax |
||
934 | |||
935 | shl eax, 8 |
||
936 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
937 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
938 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3296 | clevermous | 939 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
2288 | clevermous | 940 | |
941 | ;set default io permission map |
||
8093 | dunkaist | 942 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map] |
2288 | clevermous | 943 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
8093 | dunkaist | 944 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
2288 | clevermous | 945 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
946 | |||
947 | mov esi, fpu_data |
||
7165 | clevermous | 948 | mov ecx, [xsave_area_size] |
949 | add ecx, 3 |
||
950 | shr ecx, 2 |
||
2288 | clevermous | 951 | rep movsd |
952 | |||
8866 | rgimad | 953 | cmp [thread_count], ebx |
8867 | rgimad | 954 | adc [thread_count], 0 ; update number of processes |
2288 | clevermous | 955 | shl ebx, 8 |
956 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
957 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
958 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
959 | |||
960 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
||
961 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
962 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
963 | |||
964 | mov ecx, [def_cursor] |
||
965 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
966 | mov eax, [pl0_stack] |
||
967 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
968 | add eax, RING0_STACK_SIZE |
||
969 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
970 | |||
971 | push ebx |
||
6502 | pathoswith | 972 | stdcall kernel_alloc, maxPathLength |
2288 | clevermous | 973 | pop ebx |
974 | mov esi, [current_slot] |
||
975 | mov esi, [esi+APPDATA.cur_dir] |
||
6502 | pathoswith | 976 | mov ecx, maxPathLength/4 |
2288 | clevermous | 977 | mov edi, eax |
978 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
979 | rep movsd |
||
980 | |||
9605 | Doczom | 981 | mov dword [ebx+SLOT_BASE+APPDATA.mem_start], 0 |
9613 | Doczom | 982 | mov [ebx+SLOT_BASE+APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
983 | inc dword [process_number] |
||
984 | mov eax, [process_number] |
||
985 | mov [ebx+SLOT_BASE+APPDATA.tid], eax ;set TID |
||
2288 | clevermous | 986 | |
9608 | Doczom | 987 | mov eax, [slot] |
988 | mov [ebx+SLOT_BASE+APPDATA.wnd_number], al |
||
989 | mov ebx, eax |
||
2288 | clevermous | 990 | shl ebx, 5 |
991 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
992 | |||
993 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
994 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
||
995 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
996 | |||
997 | ;set draw data to full screen |
||
998 | xor eax, eax |
||
999 | mov [ecx+0], dword eax |
||
1000 | mov [ecx+4], dword eax |
||
5350 | serge | 1001 | mov eax, [screen_workarea.right] |
2288 | clevermous | 1002 | mov [ecx+8], eax |
5350 | serge | 1003 | mov eax, [screen_workarea.bottom] |
2288 | clevermous | 1004 | mov [ecx+12], eax |
1005 | |||
1006 | mov ebx, [pl0_stack] |
||
1007 | mov esi, [params] |
||
1008 | lea ecx, [ebx+REG_EIP] |
||
1009 | xor eax, eax |
||
1010 | |||
6333 | serge | 1011 | mov [ebx+REG_RET], dword common_app_entry |
2288 | clevermous | 1012 | mov [ebx+REG_EDI], eax |
1013 | mov [ebx+REG_ESI], eax |
||
1014 | mov [ebx+REG_EBP], eax |
||
1015 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1016 | mov [ebx+REG_EBX], eax |
||
1017 | mov [ebx+REG_EDX], eax |
||
1018 | mov [ebx+REG_ECX], eax |
||
1019 | mov [ebx+REG_EAX], eax |
||
1020 | |||
6333 | serge | 1021 | mov eax, [esi+APP_HDR.eip] |
1022 | mov [ebx+REG_EIP], eax |
||
2288 | clevermous | 1023 | mov [ebx+REG_CS], dword app_code |
3534 | clevermous | 1024 | mov ecx, USER_PRIORITY |
4105 | Serge | 1025 | |
1026 | test byte [flags], 2 |
||
1027 | jz @F |
||
1028 | |||
3325 | clevermous | 1029 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1030 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1031 | @@: |
2288 | clevermous | 1032 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1033 | |||
6333 | serge | 1034 | mov eax, [esi+APP_HDR.esp] |
1035 | mov [ebx+REG_APP_ESP], eax |
||
2288 | clevermous | 1036 | mov [ebx+REG_SS], dword app_data |
1037 | |||
3534 | clevermous | 1038 | lea edx, [ebx+REG_RET] |
2288 | clevermous | 1039 | mov ebx, [slot] |
1040 | shl ebx, 5 |
||
3534 | clevermous | 1041 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
2288 | clevermous | 1042 | |
3534 | clevermous | 1043 | xor edx, edx; process state - running |
2288 | clevermous | 1044 | ; set if debuggee |
1045 | test byte [flags], 1 |
||
1046 | jz .no_debug |
||
8869 | rgimad | 1047 | mov eax, [current_slot_idx] |
2288 | clevermous | 1048 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
1049 | .no_debug: |
||
8869 | rgimad | 1050 | mov [TASK_TABLE+ebx+TASKDATA.state], dl |
9613 | Doczom | 1051 | ;shl ebx, 3 |
1052 | ;mov [ebx+SLOT_BASE+APPDATA.state], dl |
||
3534 | clevermous | 1053 | lea edx, [SLOT_BASE+ebx*8] |
1054 | call scheduler_add_thread |
||
2288 | clevermous | 1055 | ret |
1056 | endp |
||
1057 | |||
1058 | align 4 |
||
1059 | get_stack_base: |
||
1060 | mov eax, [current_slot] |
||
1061 | mov eax, [eax+APPDATA.pl0_stack] |
||
1062 | ret |
||
1063 | |||
1064 | |||
1065 | include "debug.inc"> |