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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: 9031 $ |
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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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2288 | clevermous | 82 | proc fs_execute |
6502 | pathoswith | 83 | locals |
84 | cmdline rd 1 |
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85 | flags rd 1 |
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8593 | rgimad | 86 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 87 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 88 | ; app header data |
89 | hdr_cmdline rd 1 |
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90 | hdr_path rd 1 |
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91 | hdr_eip rd 1 |
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92 | hdr_esp rd 1 |
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93 | hdr_edata rd 1 |
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94 | hdr_emem rd 1 |
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95 | file_base rd 1 |
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96 | file_size rd 1 |
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97 | filename_size rd 1 |
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98 | cmdline_size rd 1 |
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99 | path_string rd 1 |
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100 | endl |
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2288 | clevermous | 101 | |
6333 | serge | 102 | mov [flags], edx |
6792 | pathoswith | 103 | mov [cmdline], ecx |
104 | mov [path_string], ebx |
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105 | mov [filename_size], eax |
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106 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 107 | test eax, eax |
108 | jz .err_file |
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6792 | pathoswith | 109 | stdcall load_file, ebx |
2288 | clevermous | 110 | test eax, eax |
111 | jz .err_file |
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112 | |||
113 | mov [file_base], eax |
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114 | mov [file_size], ebx |
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115 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 116 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
2288 | clevermous | 117 | mov esi, -0x1F |
118 | test eax, eax |
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119 | jz .err_hdr |
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120 | |||
3534 | clevermous | 121 | call lock_application_table |
8592 | rgimad | 122 | call alloc_thread_slot ; create a slot for new thread |
6502 | pathoswith | 123 | mov esi, -0x20 ; too many processes |
2288 | clevermous | 124 | test eax, eax |
6333 | serge | 125 | jz .err_0 |
2288 | clevermous | 126 | |
127 | mov [slot], eax |
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128 | shl eax, 8 |
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6333 | serge | 129 | lea edi, [SLOT_BASE+eax] |
130 | mov [slot_base], edi |
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6502 | pathoswith | 131 | ; clean extended information about process |
8093 | dunkaist | 132 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 133 | xor eax, eax |
134 | cld |
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135 | rep stosd |
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8592 | rgimad | 136 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 137 | stdcall strrchr, [path_string], '/' |
138 | lea esi, [eax+1] ; -> name without path |
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139 | mov ecx, 11 |
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140 | mov edi, [slot_base] |
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2288 | clevermous | 141 | @@: |
6502 | pathoswith | 142 | call utf8to16 |
143 | call uni2ansi_char |
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2288 | clevermous | 144 | cmp al, '.' |
6502 | pathoswith | 145 | jz @f |
2288 | clevermous | 146 | test al, al |
6502 | pathoswith | 147 | jz @f |
2288 | clevermous | 148 | stosb |
6502 | pathoswith | 149 | loop @b |
150 | @@: |
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6333 | serge | 151 | mov edi, [cmdline] |
152 | xor eax, eax |
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153 | test edi, edi |
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6502 | pathoswith | 154 | jz @f |
6333 | serge | 155 | mov ecx, 65535 |
156 | call _strnlen |
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157 | cmp eax, 256 |
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6502 | pathoswith | 158 | jb @f |
8592 | rgimad | 159 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 160 | lea ebx, [eax+1] |
161 | add [hdr_emem], ebx |
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162 | @@: |
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163 | mov [cmdline_size], eax |
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8592 | rgimad | 164 | stdcall create_process, [hdr_emem] ; create a new process |
6502 | pathoswith | 165 | mov esi, -30 ; no memory |
2288 | clevermous | 166 | test eax, eax |
6333 | serge | 167 | jz .err_hdr |
2288 | clevermous | 168 | |
8592 | rgimad | 169 | ; add new process to the list |
6263 | serge | 170 | mov ebx, [sys_proc+LHEAD.prev] |
171 | __list_add eax, ebx, sys_proc |
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8592 | rgimad | 172 | ; fill the structure fields: |
6333 | serge | 173 | mov ebx, [hdr_emem] |
5130 | serge | 174 | mov [eax+PROC.mem_used], ebx |
8592 | rgimad | 175 | |
176 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 177 | mov ebx, [slot_base] |
5130 | serge | 178 | mov [ebx+APPDATA.process], eax |
8592 | rgimad | 179 | |
180 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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5130 | serge | 181 | lea edx, [ebx+APPDATA.list] |
182 | lea ecx, [eax+PROC.thr_list] |
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183 | list_add_tail edx, ecx |
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8592 | rgimad | 184 | |
185 | ; 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 | 186 | mov eax, [cmdline_size] |
187 | add eax, sizeof.APP_HDR |
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188 | stdcall kernel_alloc, eax |
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6333 | serge | 189 | mov [ebx+APPDATA.exec_params], eax |
190 | mov edi, eax |
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191 | lea esi, [hdr_cmdline] |
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192 | mov ecx, sizeof.APP_HDR/4 |
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193 | rep movsd |
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194 | mov ecx, [cmdline_size] |
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195 | mov esi, [cmdline] |
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196 | rep movsb |
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8592 | rgimad | 197 | ; set other parameters of application |
2288 | clevermous | 198 | lea eax, [hdr_cmdline] |
6333 | serge | 199 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 200 | mov eax, [process_number] ; return process number |
6333 | serge | 201 | call unlock_application_table |
202 | ret |
||
2288 | clevermous | 203 | |
6333 | serge | 204 | .err_0: |
3534 | clevermous | 205 | call unlock_application_table |
2288 | clevermous | 206 | .err_hdr: |
207 | stdcall kernel_free, [file_base] |
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208 | .err_file: |
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6502 | pathoswith | 209 | stdcall kernel_free, [path_string] |
2288 | clevermous | 210 | mov eax, esi |
211 | ret |
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212 | endp |
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213 | |||
214 | align 4 |
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215 | test_app_header: |
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216 | virtual at eax |
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2384 | hidnplayr | 217 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 218 | end virtual |
219 | virtual at eax |
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2384 | hidnplayr | 220 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 221 | end virtual |
222 | |||
223 | cmp dword [eax], 'MENU' |
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224 | jne .fail |
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225 | cmp word [eax+4], 'ET' |
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226 | jne .fail |
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227 | |||
228 | cmp [eax+6], word '00' |
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229 | jne .check_01_header |
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230 | |||
231 | mov ecx, [APP_HEADER_00.start] |
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6333 | serge | 232 | mov [ebx+APP_HDR.eip], ecx |
2288 | clevermous | 233 | mov edx, [APP_HEADER_00.mem_size] |
6333 | serge | 234 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 235 | shr edx, 1 |
236 | sub edx, 0x10 |
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6333 | serge | 237 | mov [ebx+APP_HDR.esp], edx |
2288 | clevermous | 238 | mov ecx, [APP_HEADER_00.i_param] |
6333 | serge | 239 | mov [ebx+APP_HDR.cmdline], ecx |
240 | mov [ebx+APP_HDR.path], 0 |
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2288 | clevermous | 241 | mov edx, [APP_HEADER_00.i_end] |
6333 | serge | 242 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 243 | ret |
244 | |||
245 | .check_01_header: |
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246 | |||
247 | cmp [eax+6], word '01' |
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248 | je @f |
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249 | cmp [eax+6], word '02' |
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250 | jne .fail |
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251 | @@: |
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252 | mov ecx, [APP_HEADER_01.start] |
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6333 | serge | 253 | mov [ebx+0x08], ecx |
2288 | clevermous | 254 | mov edx, [APP_HEADER_01.mem_size] |
255 | |||
256 | ; \begin{diamond}[20.08.2006] |
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257 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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258 | ; fit in allocated memory to prevent kernel faults) |
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259 | cmp edx, [APP_HEADER_01.i_end] |
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260 | jb .fail |
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261 | ; \end{diamond}[20.08.2006] |
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262 | |||
6333 | serge | 263 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 264 | mov ecx, [APP_HEADER_01.stack_top] |
6333 | serge | 265 | mov [ebx+APP_HDR.esp], ecx |
2288 | clevermous | 266 | mov edx, [APP_HEADER_01.i_param] |
6333 | serge | 267 | mov [ebx+APP_HDR.cmdline], edx |
2288 | clevermous | 268 | mov ecx, [APP_HEADER_01.i_icon] |
6333 | serge | 269 | mov [ebx+APP_HDR.path], ecx |
2288 | clevermous | 270 | mov edx, [APP_HEADER_01.i_end] |
6333 | serge | 271 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 272 | ret |
273 | .fail: |
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274 | xor eax, eax |
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275 | ret |
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276 | |||
277 | align 4 |
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5130 | serge | 278 | alloc_thread_slot: |
2288 | clevermous | 279 | ;input: |
280 | ; none |
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281 | ;result: |
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5130 | serge | 282 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 283 | ; 0 - failed. |
284 | ;This function find least empty slot. |
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8866 | rgimad | 285 | ;It doesn't increase [thread_count]! |
5130 | serge | 286 | |
287 | |||
288 | mov edx, thr_slot_map |
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289 | pushfd |
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290 | cli |
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291 | .l1: |
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292 | bsf eax, [edx] |
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293 | jnz .found |
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294 | add edx, 4 |
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295 | cmp edx, thr_slot_map+32 |
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296 | jb .l1 |
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297 | |||
298 | popfd |
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2288 | clevermous | 299 | xor eax, eax |
300 | ret |
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5130 | serge | 301 | .found: |
302 | btr [edx], eax |
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303 | sub edx, thr_slot_map |
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304 | lea eax, [eax+edx*8] |
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305 | popfd |
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306 | ret |
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2288 | clevermous | 307 | |
308 | align 4 |
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6333 | serge | 309 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 310 | locals |
5130 | serge | 311 | process dd ? |
2288 | clevermous | 312 | app_tabs dd ? |
313 | endl |
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314 | |||
5130 | serge | 315 | push ebx |
316 | push esi |
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317 | push edi |
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318 | |||
2288 | clevermous | 319 | xor eax, eax |
5130 | serge | 320 | mov [process], eax |
2288 | clevermous | 321 | |
322 | mov eax, [app_size] |
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6333 | serge | 323 | add eax, 0x3FFFFF |
324 | shr eax, 22 |
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325 | mov [app_tabs], eax |
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2288 | clevermous | 326 | |
5130 | serge | 327 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 328 | test eax, eax |
329 | jz .fail |
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5130 | serge | 330 | mov [process], eax |
2288 | clevermous | 331 | |
5130 | serge | 332 | lea edi, [eax+PROC.heap_lock] |
5595 | serge | 333 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5130 | serge | 334 | |
335 | list_init eax |
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336 | add eax, PROC.thr_list |
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337 | list_init eax |
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338 | |||
2288 | clevermous | 339 | xor eax, eax |
340 | cld |
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341 | rep stosd |
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342 | |||
5595 | serge | 343 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
344 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 345 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 346 | add edi, 8 |
347 | inc eax |
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5202 | serge | 348 | @@: |
349 | stosd |
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350 | inc eax |
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351 | cmp eax, ecx |
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352 | jbe @B |
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353 | |||
5130 | serge | 354 | mov eax, edi |
355 | call get_pg_addr |
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356 | mov [edi-4096+PROC.pdt_0_phys], eax |
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357 | |||
2288 | clevermous | 358 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 359 | xor eax, eax |
360 | rep stosd |
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361 | |||
362 | mov ecx, (OS_BASE shr 20)/4 |
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363 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2288 | clevermous | 364 | rep movsd |
365 | |||
5130 | serge | 366 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5356 | serge | 367 | or eax, PG_SWR |
2288 | clevermous | 368 | mov [edi-4096+(page_tabs shr 20)], eax |
369 | |||
6333 | serge | 370 | lea edx, [edi-4096] |
371 | mov esi, [app_tabs] |
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2288 | clevermous | 372 | |
6333 | serge | 373 | .alloc_page_dir: |
2288 | clevermous | 374 | call alloc_page |
375 | test eax, eax |
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376 | jz .fail |
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6333 | serge | 377 | or eax, PG_UWR |
378 | mov [edx], eax |
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2288 | clevermous | 379 | |
6333 | serge | 380 | mov edi, [tmp_task_ptab] |
381 | stdcall map_page, edi, eax, PG_SWR |
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382 | mov ecx, 1024 |
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2288 | clevermous | 383 | xor eax, eax |
384 | rep stosd |
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385 | |||
6333 | serge | 386 | add edx, 4 |
387 | dec esi |
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388 | jnz .alloc_page_dir |
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2288 | clevermous | 389 | |
6333 | serge | 390 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 391 | mov eax, [process] |
392 | |||
393 | pop edi |
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394 | pop esi |
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395 | pop ebx |
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2288 | clevermous | 396 | ret |
397 | .fail: |
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6333 | serge | 398 | mov ecx, [process] |
399 | jcxz @F |
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400 | |||
401 | call destroy_process |
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2288 | clevermous | 402 | @@: |
403 | xor eax, eax |
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5130 | serge | 404 | pop edi |
405 | pop esi |
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406 | pop ebx |
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2288 | clevermous | 407 | ret |
408 | endp |
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409 | |||
410 | align 4 |
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411 | proc destroy_page_table stdcall, pg_tab:dword |
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412 | |||
413 | push esi |
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414 | |||
415 | mov esi, [pg_tab] |
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416 | mov ecx, 1024 |
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417 | .free: |
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418 | mov eax, [esi] |
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419 | test eax, 1 |
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420 | jz .next |
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5130 | serge | 421 | test eax, 2 |
422 | jz .next |
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2288 | clevermous | 423 | test eax, 1 shl 9 |
424 | jnz .next ;skip shared pages |
||
425 | call free_page |
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426 | .next: |
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427 | add esi, 4 |
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428 | dec ecx |
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429 | jnz .free |
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430 | pop esi |
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431 | ret |
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432 | endp |
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433 | |||
434 | align 4 |
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5130 | serge | 435 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 436 | |
5130 | serge | 437 | lea eax, [ecx+PROC.thr_list] |
438 | cmp eax, [eax+LHEAD.next] |
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439 | jne .exit |
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2288 | clevermous | 440 | |
5130 | serge | 441 | align 4 |
442 | .internal: |
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443 | push ecx |
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2288 | clevermous | 444 | |
6263 | serge | 445 | mov esi, ecx |
446 | list_del esi |
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447 | |||
448 | mov esi, [esi+PROC.dlls_list_ptr] |
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5130 | serge | 449 | call destroy_all_hdlls |
2288 | clevermous | 450 | |
5130 | serge | 451 | mov esi, [esp] |
452 | add esi, PROC.pdt_0 |
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453 | mov edi, (0x80000000 shr 20)/4 |
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2288 | clevermous | 454 | .destroy: |
455 | mov eax, [esi] |
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456 | test eax, 1 |
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457 | jz .next |
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458 | and eax, not 0xFFF |
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5356 | serge | 459 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 460 | stdcall destroy_page_table, [tmp_task_ptab] |
461 | mov eax, [esi] |
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462 | call free_page |
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463 | .next: |
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464 | add esi, 4 |
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465 | dec edi |
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466 | jnz .destroy |
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467 | |||
5130 | serge | 468 | call kernel_free ;ecx still in stack |
469 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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2288 | clevermous | 470 | .exit: |
471 | ret |
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472 | |||
473 | align 4 |
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474 | get_pid: |
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475 | mov eax, [TASK_BASE] |
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476 | mov eax, [eax+TASKDATA.pid] |
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477 | ret |
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478 | |||
479 | pid_to_slot: |
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480 | ;Input: |
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481 | ; eax - pid of process |
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482 | ;Output: |
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483 | ; eax - slot of process or 0 if process don't exists |
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484 | ;Search process by PID. |
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485 | push ebx |
||
486 | push ecx |
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8866 | rgimad | 487 | mov ebx, [thread_count] |
8858 | rgimad | 488 | shl ebx, BSF sizeof.TASKDATA ; multiply by size |
8851 | rgimad | 489 | ; add 2*32 cause: |
8858 | rgimad | 490 | ; [TASK_TABLE; TASK_TABLE + 32) isnt a task actually |
8851 | rgimad | 491 | ; skip first process in the task table |
2288 | clevermous | 492 | mov ecx, 2*32 |
493 | |||
494 | .loop: |
||
8851 | rgimad | 495 | ;ecx = offset of current process info entry |
496 | ;ebx = maximum permitted offset |
||
8874 | rgimad | 497 | cmp [TASK_TABLE+ecx+TASKDATA.state], TSTATE_FREE |
2288 | clevermous | 498 | jz .endloop ;skip empty slots |
8851 | rgimad | 499 | cmp [TASK_TABLE+ecx+TASKDATA.pid], eax;check PID |
2288 | clevermous | 500 | jz .pid_found |
501 | .endloop: |
||
8874 | rgimad | 502 | add ecx, sizeof.TASKDATA |
2288 | clevermous | 503 | cmp ecx, ebx |
504 | jle .loop |
||
505 | |||
506 | pop ecx |
||
507 | pop ebx |
||
508 | xor eax, eax |
||
509 | ret |
||
510 | |||
511 | .pid_found: |
||
8858 | rgimad | 512 | shr ecx, BSF sizeof.TASKDATA ; divide by size |
2288 | clevermous | 513 | mov eax, ecx ;convert offset to index of slot |
514 | pop ecx |
||
515 | pop ebx |
||
516 | ret |
||
517 | |||
5130 | serge | 518 | |
2288 | clevermous | 519 | align 4 |
520 | proc read_process_memory |
||
521 | ;Input: |
||
522 | ; eax - process slot |
||
523 | ; ecx - buffer address |
||
524 | ; edx - buffer size |
||
525 | ; esi - start address in other process |
||
526 | ;Output: |
||
527 | ; eax - number of bytes read. |
||
528 | locals |
||
529 | slot dd ? |
||
530 | buff dd ? |
||
531 | r_count dd ? |
||
532 | offset dd ? |
||
533 | tmp_r_cnt dd ? |
||
534 | endl |
||
535 | |||
536 | mov [slot], eax |
||
537 | mov [buff], ecx |
||
538 | and [r_count], 0 |
||
539 | mov [tmp_r_cnt], edx |
||
540 | mov [offset], esi |
||
541 | |||
542 | pushad |
||
543 | .read_mem: |
||
544 | mov edx, [offset] |
||
545 | mov ebx, [tmp_r_cnt] |
||
546 | |||
547 | mov ecx, 0x400000 |
||
548 | and edx, 0x3FFFFF |
||
549 | sub ecx, edx |
||
550 | cmp ecx, ebx |
||
551 | jbe @f |
||
552 | mov ecx, ebx |
||
553 | @@: |
||
554 | cmp ecx, 0x8000 |
||
555 | jna @F |
||
556 | mov ecx, 0x8000 |
||
557 | @@: |
||
558 | mov ebx, [offset] |
||
559 | |||
560 | push ecx |
||
561 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 562 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 563 | pop ecx |
564 | |||
565 | mov esi, [offset] |
||
566 | and esi, 0xfff |
||
567 | sub eax, esi |
||
568 | jbe .ret |
||
569 | cmp ecx, eax |
||
570 | jbe @f |
||
571 | mov ecx, eax |
||
572 | mov [tmp_r_cnt], eax |
||
573 | @@: |
||
574 | add esi, [proc_mem_map] |
||
575 | mov edi, [buff] |
||
576 | mov edx, ecx |
||
577 | rep movsb |
||
578 | add [r_count], edx |
||
579 | |||
580 | add [offset], edx |
||
581 | sub [tmp_r_cnt], edx |
||
582 | jnz .read_mem |
||
583 | .ret: |
||
584 | popad |
||
585 | mov eax, [r_count] |
||
586 | ret |
||
587 | endp |
||
588 | |||
589 | align 4 |
||
590 | proc write_process_memory |
||
591 | ;Input: |
||
592 | ; eax - process slot |
||
593 | ; ecx - buffer address |
||
594 | ; edx - buffer size |
||
595 | ; esi - start address in other process |
||
596 | ;Output: |
||
597 | ; eax - number of bytes written |
||
598 | |||
599 | locals |
||
600 | slot dd ? |
||
601 | buff dd ? |
||
602 | w_count dd ? |
||
603 | offset dd ? |
||
604 | tmp_w_cnt dd ? |
||
605 | endl |
||
606 | |||
607 | mov [slot], eax |
||
608 | mov [buff], ecx |
||
609 | and [w_count], 0 |
||
610 | mov [tmp_w_cnt], edx |
||
611 | mov [offset], esi |
||
612 | |||
613 | pushad |
||
614 | .read_mem: |
||
615 | mov edx, [offset] |
||
616 | mov ebx, [tmp_w_cnt] |
||
617 | |||
618 | mov ecx, 0x400000 |
||
619 | and edx, 0x3FFFFF |
||
620 | sub ecx, edx |
||
621 | cmp ecx, ebx |
||
622 | jbe @f |
||
623 | mov ecx, ebx |
||
624 | @@: |
||
625 | cmp ecx, 0x8000 |
||
626 | jna @F |
||
627 | mov ecx, 0x8000 |
||
628 | @@: |
||
629 | mov ebx, [offset] |
||
630 | push ecx |
||
631 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 632 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 633 | pop ecx |
634 | |||
635 | mov edi, [offset] |
||
636 | and edi, 0xfff |
||
637 | sub eax, edi |
||
638 | jbe .ret |
||
639 | cmp ecx, eax |
||
640 | jbe @f |
||
641 | mov ecx, eax |
||
642 | mov [tmp_w_cnt], eax |
||
643 | @@: |
||
644 | add edi, [proc_mem_map] |
||
645 | mov esi, [buff] |
||
646 | mov edx, ecx |
||
647 | rep movsb |
||
648 | |||
649 | add [w_count], edx |
||
650 | add [offset], edx |
||
651 | sub [tmp_w_cnt], edx |
||
652 | jnz .read_mem |
||
653 | .ret: |
||
654 | popad |
||
655 | mov eax, [w_count] |
||
656 | ret |
||
657 | endp |
||
658 | |||
4105 | Serge | 659 | ;ebx = 1 - kernel thread |
660 | ;ecx=thread entry point |
||
661 | ;edx=thread stack pointer |
||
662 | ;creation flags 0x01 - debugged |
||
663 | ; 0x02 - kernel |
||
664 | |||
2288 | clevermous | 665 | align 4 |
666 | proc new_sys_threads |
||
667 | locals |
||
4105 | Serge | 668 | slot dd ? |
669 | flags dd ? |
||
2288 | clevermous | 670 | app_cmdline dd ? ;0x00 |
671 | app_path dd ? ;0x04 |
||
672 | app_eip dd ? ;0x08 |
||
673 | app_esp dd ? ;0x0C |
||
674 | app_mem dd ? ;0x10 |
||
675 | endl |
||
676 | |||
4105 | Serge | 677 | shl ebx, 1 |
678 | mov [flags], ebx |
||
2288 | clevermous | 679 | |
680 | xor eax, eax |
||
681 | mov [app_eip], ecx |
||
682 | mov [app_cmdline], eax |
||
683 | mov [app_esp], edx |
||
684 | mov [app_path], eax |
||
4105 | Serge | 685 | |
3534 | clevermous | 686 | call lock_application_table |
2288 | clevermous | 687 | |
5130 | serge | 688 | call alloc_thread_slot |
2288 | clevermous | 689 | test eax, eax |
690 | jz .failed |
||
691 | |||
692 | mov [slot], eax |
||
693 | |||
694 | mov esi, [current_slot] |
||
695 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
696 | |||
697 | mov edi, eax |
||
698 | shl edi, 8 |
||
699 | add edi, SLOT_BASE |
||
700 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
8093 | dunkaist | 701 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 702 | xor eax, eax |
703 | cld |
||
704 | rep stosd ;clean extended information about new thread |
||
705 | mov esi, ebx |
||
706 | mov edi, edx |
||
707 | mov ecx, 11 |
||
708 | rep movsb ;copy process name |
||
709 | |||
710 | |||
711 | mov eax, [ebx+APPDATA.tls_base] |
||
712 | test eax, eax |
||
713 | jz @F |
||
714 | |||
715 | push edx |
||
716 | stdcall user_alloc, 4096 |
||
717 | pop edx |
||
718 | test eax, eax |
||
719 | jz .failed1;eax=0 |
||
720 | @@: |
||
721 | mov [edx+APPDATA.tls_base], eax |
||
722 | |||
6090 | serge | 723 | mov eax, [ebx+APPDATA.process] |
724 | mov [edx+APPDATA.process], eax |
||
725 | |||
726 | lea ebx, [edx+APPDATA.list] |
||
727 | lea ecx, [eax+PROC.thr_list] |
||
728 | list_add_tail ebx, ecx ;add thread to process child's list |
||
729 | |||
2288 | clevermous | 730 | lea eax, [app_cmdline] |
6333 | serge | 731 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 732 | |
733 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 734 | call unlock_application_table |
2288 | clevermous | 735 | ret |
736 | .failed: |
||
737 | xor eax, eax |
||
738 | .failed1: |
||
3534 | clevermous | 739 | call unlock_application_table |
2288 | clevermous | 740 | dec eax ;-1 |
741 | ret |
||
742 | endp |
||
743 | |||
6333 | serge | 744 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
745 | |||
746 | mov edx, [img_size] |
||
747 | mov esi, [file_base] |
||
748 | mov ecx, [file_size] |
||
749 | add edx, 4095 |
||
750 | add ecx, 4095 |
||
751 | shr edx, 12 ; total pages |
||
752 | shr ecx, 12 ; image pages |
||
753 | |||
754 | mov edi, page_tabs |
||
755 | shr esi, 10 |
||
756 | add esi, edi |
||
757 | |||
758 | .map_image: |
||
759 | lodsd |
||
760 | and eax, -4096 |
||
761 | or eax, PG_UWR |
||
762 | stosd |
||
763 | dec edx |
||
764 | loop .map_image |
||
765 | |||
766 | test edx, edx |
||
767 | jz .done |
||
768 | .map_bss: |
||
769 | call alloc_page |
||
770 | test eax, eax |
||
771 | jz .fail |
||
772 | |||
773 | or eax, PG_UWR |
||
774 | stosd |
||
775 | dec edx |
||
776 | jnz .map_bss |
||
777 | |||
778 | mov edi, [file_size] |
||
779 | mov ecx, [img_size] |
||
780 | add edi, 4095 |
||
781 | and edi, -4096 |
||
782 | add ecx, 4095 |
||
783 | and ecx, -4096 |
||
784 | sub ecx, edi |
||
785 | shr ecx, 2 |
||
786 | xor eax, eax |
||
787 | rep stosd |
||
788 | .done: |
||
789 | .fail: |
||
790 | ret |
||
791 | endp |
||
792 | |||
2288 | clevermous | 793 | align 4 |
6333 | serge | 794 | common_app_entry: |
795 | mov ebp, [current_slot] |
||
796 | mov ebp, [ebp+APPDATA.exec_params] |
||
797 | test ebp, ebp |
||
798 | jz .exit |
||
8709 | Coldy | 799 | ; APPDATA.exec_params have first thread only, |
800 | ; so second and next threads don't get here (they jump to .exit) |
||
6333 | serge | 801 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
802 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
6502 | pathoswith | 803 | mov esi, [ebp+APP_HDR.path_string] |
6333 | serge | 804 | mov edi, [ebp+APP_HDR.path] |
6758 | pathoswith | 805 | mov ecx, [ebp+APP_HDR.filename_size] |
806 | cmp ecx, 1023 |
||
807 | jc @f |
||
808 | mov ecx, 1022 |
||
809 | @@: |
||
6502 | pathoswith | 810 | push esi |
811 | test edi, edi |
||
812 | jz @f |
||
8593 | rgimad | 813 | stdcall is_region_userspace, edi, [ebp+APP_HDR.filename_size] |
814 | jz @f |
||
6758 | pathoswith | 815 | mov al, '/' |
816 | stosb |
||
6502 | pathoswith | 817 | rep movsb |
818 | mov byte [edi], 0 |
||
6338 | serge | 819 | @@: |
6502 | pathoswith | 820 | call kernel_free |
6333 | serge | 821 | mov edi, [ebp+APP_HDR.cmdline] |
822 | test edi, edi |
||
823 | jz .check_tls_header |
||
6502 | pathoswith | 824 | lea esi, [ebp+sizeof.APP_HDR] |
825 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
6333 | serge | 826 | cmp ecx, 256 |
827 | jb .copy_cmdline |
||
828 | mov edi, [ebp+APP_HDR._emem] |
||
829 | add edi, 4095 |
||
830 | and edi, -4096 |
||
831 | sub edi, ecx |
||
832 | dec edi |
||
833 | cmp word [6], '00' |
||
6502 | pathoswith | 834 | jne @f |
6333 | serge | 835 | mov [APP_HEADER_00_.i_param], edi |
836 | jmp .copy_cmdline |
||
837 | @@: |
||
838 | mov [APP_HEADER_01_.i_param], edi |
||
839 | .copy_cmdline: |
||
8593 | rgimad | 840 | inc ecx ; keep in mind about 0 in the end |
841 | stdcall is_region_userspace, edi, ecx |
||
842 | jz .check_tls_header |
||
843 | dec ecx |
||
6333 | serge | 844 | rep movsb |
6502 | pathoswith | 845 | mov byte [edi], 0 |
6333 | serge | 846 | .check_tls_header: |
847 | cmp word [6], '02' |
||
8671 | Coldy | 848 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 849 | call init_heap |
850 | stdcall user_alloc, 4096 |
||
851 | mov edx, [current_slot] |
||
852 | mov [edx+APPDATA.tls_base], eax |
||
853 | mov [tls_data_l+2], ax |
||
854 | shr eax, 16 |
||
855 | mov [tls_data_l+4], al |
||
856 | mov [tls_data_l+7], ah |
||
857 | mov dx, app_tls |
||
8671 | Coldy | 858 | mov fs, dx |
8709 | Coldy | 859 | ; { Patch by Coldy, For DLL autoload |
860 | .try_load_dll: |
||
861 | ; Test app header version |
||
8671 | Coldy | 862 | mov ecx, dword[ebp+APP_HDR.img_base] |
863 | cmp dword[ecx+8], 2 |
||
864 | jne .cleanup |
||
8709 | Coldy | 865 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 866 | DEBUGF 1, 'K : App header version 2\n' |
867 | stdcall load_library, dll_lib_path, 0 |
||
868 | cmp eax, 0 |
||
869 | jne @f |
||
8709 | Coldy | 870 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 871 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
872 | stdcall kernel_free, ebp |
||
8709 | Coldy | 873 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 874 | mov ebx, dll_error_msg |
875 | mov ebp, notifyapp |
||
876 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 877 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 878 | call sys_end |
879 | |||
880 | @@: |
||
8709 | Coldy | 881 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 882 | sub eax, 4 |
8709 | Coldy | 883 | mov eax, [eax] |
8671 | Coldy | 884 | |
885 | ;.change_eip: |
||
886 | mov ecx, [current_slot] |
||
887 | mov ecx, [ecx+APPDATA.pl0_stack] |
||
888 | mov [ecx+REG_EIP], eax |
||
889 | |||
890 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 891 | .cleanup: |
892 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
893 | stdcall kernel_free, ebp |
||
6345 | serge | 894 | mov ebx, [current_slot] |
895 | cmp [ebx+APPDATA.debugger_slot], 0 |
||
896 | je .exit |
||
897 | mov eax, [TASK_BASE] |
||
8874 | rgimad | 898 | mov [eax+TASKDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 899 | call change_task |
6333 | serge | 900 | .exit: |
2288 | clevermous | 901 | popad |
902 | iretd |
||
903 | |||
7136 | dunkaist | 904 | EFL_IF = 0x0200 |
905 | EFL_IOPL1 = 0x1000 |
||
906 | EFL_IOPL2 = 0x2000 |
||
907 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 908 | |
909 | align 4 |
||
6333 | serge | 910 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 911 | |
912 | locals |
||
913 | pl0_stack dd ? |
||
914 | endl |
||
915 | |||
7124 | dunkaist | 916 | mov eax, [xsave_area_size] |
917 | add eax, RING0_STACK_SIZE |
||
918 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 919 | mov [pl0_stack], eax |
920 | |||
921 | lea edi, [eax+RING0_STACK_SIZE] |
||
922 | |||
923 | mov eax, [slot] |
||
924 | mov ebx, eax |
||
925 | |||
926 | shl eax, 8 |
||
927 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
928 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
929 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3296 | clevermous | 930 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
2288 | clevermous | 931 | |
932 | ;set default io permission map |
||
8093 | dunkaist | 933 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map] |
2288 | clevermous | 934 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
8093 | dunkaist | 935 | mov ecx, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
2288 | clevermous | 936 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
937 | |||
938 | mov esi, fpu_data |
||
7165 | clevermous | 939 | mov ecx, [xsave_area_size] |
940 | add ecx, 3 |
||
941 | shr ecx, 2 |
||
2288 | clevermous | 942 | rep movsd |
943 | |||
8866 | rgimad | 944 | cmp [thread_count], ebx |
8867 | rgimad | 945 | adc [thread_count], 0 ; update number of processes |
2288 | clevermous | 946 | shl ebx, 8 |
947 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
948 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
949 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
950 | |||
951 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
||
952 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
953 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
954 | |||
955 | mov ecx, [def_cursor] |
||
956 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
957 | mov eax, [pl0_stack] |
||
958 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
959 | add eax, RING0_STACK_SIZE |
||
960 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
961 | |||
962 | push ebx |
||
6502 | pathoswith | 963 | stdcall kernel_alloc, maxPathLength |
2288 | clevermous | 964 | pop ebx |
965 | mov esi, [current_slot] |
||
966 | mov esi, [esi+APPDATA.cur_dir] |
||
6502 | pathoswith | 967 | mov ecx, maxPathLength/4 |
2288 | clevermous | 968 | mov edi, eax |
969 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
970 | rep movsd |
||
971 | |||
972 | shr ebx, 3 |
||
8869 | rgimad | 973 | mov dword [TASK_TABLE+ebx+TASKDATA.mem_start], 0 |
2288 | clevermous | 974 | |
975 | mov ebx, [slot] |
||
976 | mov eax, ebx |
||
977 | shl ebx, 5 |
||
978 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
979 | |||
980 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
981 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
||
982 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
8869 | rgimad | 983 | add ebx, TASK_TABLE ;ebx - pointer to information about process |
2288 | clevermous | 984 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
985 | |||
986 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
||
987 | |||
988 | inc dword [process_number] |
||
989 | mov eax, [process_number] |
||
8874 | rgimad | 990 | mov [ebx+TASKDATA.pid], eax ;set PID |
2288 | clevermous | 991 | |
992 | ;set draw data to full screen |
||
993 | xor eax, eax |
||
994 | mov [ecx+0], dword eax |
||
995 | mov [ecx+4], dword eax |
||
5350 | serge | 996 | mov eax, [screen_workarea.right] |
2288 | clevermous | 997 | mov [ecx+8], eax |
5350 | serge | 998 | mov eax, [screen_workarea.bottom] |
2288 | clevermous | 999 | mov [ecx+12], eax |
1000 | |||
1001 | mov ebx, [pl0_stack] |
||
1002 | mov esi, [params] |
||
1003 | lea ecx, [ebx+REG_EIP] |
||
1004 | xor eax, eax |
||
1005 | |||
6333 | serge | 1006 | mov [ebx+REG_RET], dword common_app_entry |
2288 | clevermous | 1007 | mov [ebx+REG_EDI], eax |
1008 | mov [ebx+REG_ESI], eax |
||
1009 | mov [ebx+REG_EBP], eax |
||
1010 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1011 | mov [ebx+REG_EBX], eax |
||
1012 | mov [ebx+REG_EDX], eax |
||
1013 | mov [ebx+REG_ECX], eax |
||
1014 | mov [ebx+REG_EAX], eax |
||
1015 | |||
6333 | serge | 1016 | mov eax, [esi+APP_HDR.eip] |
1017 | mov [ebx+REG_EIP], eax |
||
2288 | clevermous | 1018 | mov [ebx+REG_CS], dword app_code |
3534 | clevermous | 1019 | mov ecx, USER_PRIORITY |
4105 | Serge | 1020 | |
1021 | test byte [flags], 2 |
||
1022 | jz @F |
||
1023 | |||
3325 | clevermous | 1024 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1025 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1026 | @@: |
2288 | clevermous | 1027 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1028 | |||
6333 | serge | 1029 | mov eax, [esi+APP_HDR.esp] |
1030 | mov [ebx+REG_APP_ESP], eax |
||
2288 | clevermous | 1031 | mov [ebx+REG_SS], dword app_data |
1032 | |||
3534 | clevermous | 1033 | lea edx, [ebx+REG_RET] |
2288 | clevermous | 1034 | mov ebx, [slot] |
1035 | shl ebx, 5 |
||
3534 | clevermous | 1036 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
2288 | clevermous | 1037 | |
3534 | clevermous | 1038 | xor edx, edx; process state - running |
2288 | clevermous | 1039 | ; set if debuggee |
1040 | test byte [flags], 1 |
||
1041 | jz .no_debug |
||
8869 | rgimad | 1042 | mov eax, [current_slot_idx] |
2288 | clevermous | 1043 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
1044 | .no_debug: |
||
8869 | rgimad | 1045 | mov [TASK_TABLE+ebx+TASKDATA.state], dl |
3534 | clevermous | 1046 | lea edx, [SLOT_BASE+ebx*8] |
1047 | call scheduler_add_thread |
||
2288 | clevermous | 1048 | ret |
1049 | endp |
||
1050 | |||
1051 | align 4 |
||
1052 | get_stack_base: |
||
1053 | mov eax, [current_slot] |
||
1054 | mov eax, [eax+APPDATA.pl0_stack] |
||
1055 | ret |
||
1056 | |||
1057 | |||
1058 | include "debug.inc"> |