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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 6345 $ |
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9 | |||
10 | |||
11 | GREEDY_KERNEL equ 0 |
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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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2384 | hidnplayr | 44 | ends |
2288 | clevermous | 45 | |
46 | macro _clear_ op |
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47 | { mov ecx, op/4 |
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48 | xor eax, eax |
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49 | cld |
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50 | rep stosd |
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51 | } |
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52 | |||
6333 | serge | 53 | align 4 |
54 | _strnlen: |
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55 | mov edx, ecx |
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56 | xor eax, eax |
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57 | repne scasb |
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58 | jne @F |
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59 | inc ecx |
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60 | @@: |
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61 | mov eax, edx |
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62 | sub eax, ecx |
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63 | retn |
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64 | |||
2288 | clevermous | 65 | fs_execute_from_sysdir: |
66 | xor ebx, ebx |
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67 | fs_execute_from_sysdir_param: |
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68 | xor edx, edx |
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69 | |||
70 | align 4 |
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71 | proc fs_execute |
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72 | ; ebx - cmdline |
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73 | ; edx - flags |
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74 | ; ebp - full filename |
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75 | |||
76 | locals |
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6333 | serge | 77 | filename rd 1 |
78 | cmdline rd 1 |
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79 | flags rd 1 |
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2288 | clevermous | 80 | |
6333 | serge | 81 | slot rd 1 |
82 | slot_base rd 1 |
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2288 | clevermous | 83 | |
6333 | serge | 84 | ;app header data |
2288 | clevermous | 85 | |
6333 | serge | 86 | hdr_cmdline rd 1 ;0x00 |
87 | hdr_path rd 1 ;0x04 |
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88 | hdr_eip rd 1 ;0x08 |
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89 | hdr_esp rd 1 ;0x0C |
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90 | hdr_edata rd 1 ;0x10 |
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91 | hdr_emem rd 1 ;0x14 |
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92 | file_base rd 1 ;0x18 |
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93 | file_size rd 1 ;0x1c |
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94 | filename_size rd 1 ;0x20 |
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95 | cmdline_size rd 1 ;0x24 |
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2288 | clevermous | 96 | |
6333 | serge | 97 | endl |
2288 | clevermous | 98 | |
6333 | serge | 99 | mov eax, [ebp] |
100 | mov [flags], edx |
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2288 | clevermous | 101 | mov [cmdline], ebx |
6333 | serge | 102 | mov [filename], eax |
2288 | clevermous | 103 | |
6333 | serge | 104 | mov eax, [filename] |
2288 | clevermous | 105 | stdcall load_file, eax |
106 | mov esi, -ERROR_FILE_NOT_FOUND |
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107 | test eax, eax |
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108 | jz .err_file |
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109 | |||
110 | mov [file_base], eax |
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111 | mov [file_size], ebx |
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112 | |||
113 | lea ebx, [hdr_cmdline] |
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114 | call test_app_header |
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115 | mov esi, -0x1F |
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116 | test eax, eax |
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117 | jz .err_hdr |
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118 | |||
3534 | clevermous | 119 | call lock_application_table |
2288 | clevermous | 120 | |
5130 | serge | 121 | call alloc_thread_slot |
6333 | serge | 122 | mov esi, -0x20 ; too many processes |
2288 | clevermous | 123 | test eax, eax |
6333 | serge | 124 | jz .err_0 |
2288 | clevermous | 125 | |
126 | mov [slot], eax |
||
127 | shl eax, 8 |
||
6333 | serge | 128 | lea edi, [SLOT_BASE+eax] |
129 | mov [slot_base], edi |
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2288 | clevermous | 130 | |
6333 | serge | 131 | ;clean extended information about process |
132 | mov ecx, 256/4 |
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133 | xor eax, eax |
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134 | cld |
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135 | rep stosd |
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136 | |||
2288 | clevermous | 137 | ; write application name |
6333 | serge | 138 | stdcall strrchr, [filename], '/' ; now eax points to name without path |
2288 | clevermous | 139 | |
140 | lea esi, [eax+1] |
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141 | test eax, eax |
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142 | jnz @F |
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6333 | serge | 143 | mov esi, [filename] |
2288 | clevermous | 144 | @@: |
2625 | mario79 | 145 | mov ecx, 11 ; 11 chars for name! 8 - is old value! |
2288 | clevermous | 146 | mov edi, [slot_base] |
147 | .copy_process_name_loop: |
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148 | lodsb |
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149 | cmp al, '.' |
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150 | jz .copy_process_name_done |
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151 | test al, al |
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152 | jz .copy_process_name_done |
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153 | stosb |
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154 | loop .copy_process_name_loop |
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6333 | serge | 155 | |
2288 | clevermous | 156 | .copy_process_name_done: |
157 | |||
6333 | serge | 158 | mov edi, [cmdline] |
159 | xor eax, eax |
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160 | test edi, edi |
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161 | jz @F |
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2288 | clevermous | 162 | |
6333 | serge | 163 | mov ecx, 65535 |
164 | call _strnlen |
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165 | cmp eax, 256 |
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166 | jb @F |
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167 | lea ebx, [eax+1] |
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168 | add [hdr_emem], ebx |
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169 | @@: |
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170 | mov [cmdline_size], eax |
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171 | |||
172 | stdcall create_process, [hdr_emem] |
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173 | |||
2288 | clevermous | 174 | mov esi, -30; no memory |
175 | test eax, eax |
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6333 | serge | 176 | jz .err_hdr |
2288 | clevermous | 177 | |
6263 | serge | 178 | mov ebx, [sys_proc+LHEAD.prev] |
179 | __list_add eax, ebx, sys_proc |
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180 | |||
6333 | serge | 181 | mov ebx, [hdr_emem] |
5130 | serge | 182 | mov [eax+PROC.mem_used], ebx |
183 | |||
2288 | clevermous | 184 | mov ebx, [slot_base] |
5130 | serge | 185 | mov [ebx+APPDATA.process], eax |
2288 | clevermous | 186 | |
5130 | serge | 187 | lea edx, [ebx+APPDATA.list] |
188 | lea ecx, [eax+PROC.thr_list] |
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189 | list_add_tail edx, ecx |
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190 | |||
6333 | serge | 191 | mov esi, sizeof.APP_HDR |
192 | add esi, [cmdline_size] |
||
2288 | clevermous | 193 | |
6333 | serge | 194 | mov edi, [filename] |
195 | mov ecx, 1023 |
||
196 | call _strnlen |
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197 | add esi, eax |
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198 | mov [filename_size], eax |
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2288 | clevermous | 199 | |
6333 | serge | 200 | stdcall kernel_alloc, esi |
201 | mov [ebx+APPDATA.exec_params], eax |
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202 | mov edi, eax |
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203 | lea esi, [hdr_cmdline] |
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204 | mov ecx, sizeof.APP_HDR/4 |
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205 | rep movsd |
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2288 | clevermous | 206 | |
6333 | serge | 207 | mov esi, [filename] |
208 | mov ecx, [filename_size] |
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209 | rep movsb |
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210 | mov ecx, [cmdline_size] |
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211 | mov esi, [cmdline] |
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212 | rep movsb |
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2288 | clevermous | 213 | |
214 | lea eax, [hdr_cmdline] |
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6333 | serge | 215 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 216 | |
6333 | serge | 217 | mov eax, [process_number] ;set result |
218 | call unlock_application_table |
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219 | ret |
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2288 | clevermous | 220 | |
6333 | serge | 221 | .err_0: |
3534 | clevermous | 222 | call unlock_application_table |
2503 | mario79 | 223 | |
2288 | clevermous | 224 | .err_hdr: |
225 | stdcall kernel_free, [file_base] |
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226 | .err_file: |
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227 | mov eax, esi |
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228 | ret |
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229 | endp |
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230 | |||
231 | align 4 |
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232 | test_app_header: |
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233 | virtual at eax |
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2384 | hidnplayr | 234 | APP_HEADER_00 APP_HEADER_00_ |
2288 | clevermous | 235 | end virtual |
236 | virtual at eax |
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2384 | hidnplayr | 237 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 238 | end virtual |
239 | |||
240 | cmp dword [eax], 'MENU' |
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241 | jne .fail |
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242 | cmp word [eax+4], 'ET' |
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243 | jne .fail |
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244 | |||
245 | cmp [eax+6], word '00' |
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246 | jne .check_01_header |
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247 | |||
248 | mov ecx, [APP_HEADER_00.start] |
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6333 | serge | 249 | mov [ebx+APP_HDR.eip], ecx |
2288 | clevermous | 250 | mov edx, [APP_HEADER_00.mem_size] |
6333 | serge | 251 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 252 | shr edx, 1 |
253 | sub edx, 0x10 |
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6333 | serge | 254 | mov [ebx+APP_HDR.esp], edx |
2288 | clevermous | 255 | mov ecx, [APP_HEADER_00.i_param] |
6333 | serge | 256 | mov [ebx+APP_HDR.cmdline], ecx |
257 | mov [ebx+APP_HDR.path], 0 |
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2288 | clevermous | 258 | mov edx, [APP_HEADER_00.i_end] |
6333 | serge | 259 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 260 | ret |
261 | |||
262 | .check_01_header: |
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263 | |||
264 | cmp [eax+6], word '01' |
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265 | je @f |
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266 | cmp [eax+6], word '02' |
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267 | jne .fail |
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268 | @@: |
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269 | mov ecx, [APP_HEADER_01.start] |
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6333 | serge | 270 | mov [ebx+0x08], ecx |
2288 | clevermous | 271 | mov edx, [APP_HEADER_01.mem_size] |
272 | |||
273 | ; \begin{diamond}[20.08.2006] |
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274 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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275 | ; fit in allocated memory to prevent kernel faults) |
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276 | cmp edx, [APP_HEADER_01.i_end] |
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277 | jb .fail |
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278 | ; \end{diamond}[20.08.2006] |
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279 | |||
6333 | serge | 280 | mov [ebx+APP_HDR._emem], edx |
2288 | clevermous | 281 | mov ecx, [APP_HEADER_01.stack_top] |
6333 | serge | 282 | mov [ebx+APP_HDR.esp], ecx |
2288 | clevermous | 283 | mov edx, [APP_HEADER_01.i_param] |
6333 | serge | 284 | mov [ebx+APP_HDR.cmdline], edx |
2288 | clevermous | 285 | mov ecx, [APP_HEADER_01.i_icon] |
6333 | serge | 286 | mov [ebx+APP_HDR.path], ecx |
2288 | clevermous | 287 | mov edx, [APP_HEADER_01.i_end] |
6333 | serge | 288 | mov [ebx+APP_HDR._edata], edx |
2288 | clevermous | 289 | ret |
290 | .fail: |
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291 | xor eax, eax |
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292 | ret |
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293 | |||
294 | align 4 |
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5130 | serge | 295 | alloc_thread_slot: |
2288 | clevermous | 296 | ;input: |
297 | ; none |
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298 | ;result: |
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5130 | serge | 299 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 300 | ; 0 - failed. |
301 | ;This function find least empty slot. |
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302 | ;It doesn't increase [TASK_COUNT]! |
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5130 | serge | 303 | |
304 | |||
305 | mov edx, thr_slot_map |
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306 | pushfd |
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307 | cli |
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308 | .l1: |
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309 | bsf eax, [edx] |
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310 | jnz .found |
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311 | add edx, 4 |
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312 | cmp edx, thr_slot_map+32 |
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313 | jb .l1 |
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314 | |||
315 | popfd |
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2288 | clevermous | 316 | xor eax, eax |
317 | ret |
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5130 | serge | 318 | .found: |
319 | btr [edx], eax |
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320 | sub edx, thr_slot_map |
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321 | lea eax, [eax+edx*8] |
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322 | popfd |
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323 | ret |
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2288 | clevermous | 324 | |
325 | align 4 |
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6333 | serge | 326 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 327 | locals |
5130 | serge | 328 | process dd ? |
2288 | clevermous | 329 | app_tabs dd ? |
330 | endl |
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331 | |||
5130 | serge | 332 | push ebx |
333 | push esi |
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334 | push edi |
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335 | |||
2288 | clevermous | 336 | xor eax, eax |
5130 | serge | 337 | mov [process], eax |
2288 | clevermous | 338 | |
339 | mov eax, [app_size] |
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6333 | serge | 340 | add eax, 0x3FFFFF |
341 | shr eax, 22 |
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342 | mov [app_tabs], eax |
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2288 | clevermous | 343 | |
5130 | serge | 344 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 345 | test eax, eax |
346 | jz .fail |
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5130 | serge | 347 | mov [process], eax |
2288 | clevermous | 348 | |
5130 | serge | 349 | lea edi, [eax+PROC.heap_lock] |
5595 | serge | 350 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5130 | serge | 351 | |
352 | list_init eax |
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353 | add eax, PROC.thr_list |
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354 | list_init eax |
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355 | |||
2288 | clevermous | 356 | xor eax, eax |
357 | cld |
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358 | rep stosd |
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359 | |||
5595 | serge | 360 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
361 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 362 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 363 | add edi, 8 |
364 | inc eax |
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5202 | serge | 365 | @@: |
366 | stosd |
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367 | inc eax |
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368 | cmp eax, ecx |
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369 | jbe @B |
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370 | |||
5130 | serge | 371 | mov eax, edi |
372 | call get_pg_addr |
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373 | mov [edi-4096+PROC.pdt_0_phys], eax |
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374 | |||
2288 | clevermous | 375 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 376 | xor eax, eax |
377 | rep stosd |
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378 | |||
379 | mov ecx, (OS_BASE shr 20)/4 |
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380 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2288 | clevermous | 381 | rep movsd |
382 | |||
5130 | serge | 383 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5356 | serge | 384 | or eax, PG_SWR |
2288 | clevermous | 385 | mov [edi-4096+(page_tabs shr 20)], eax |
386 | |||
6333 | serge | 387 | lea edx, [edi-4096] |
388 | mov esi, [app_tabs] |
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2288 | clevermous | 389 | |
6333 | serge | 390 | .alloc_page_dir: |
2288 | clevermous | 391 | call alloc_page |
392 | test eax, eax |
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393 | jz .fail |
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6333 | serge | 394 | or eax, PG_UWR |
395 | mov [edx], eax |
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2288 | clevermous | 396 | |
6333 | serge | 397 | mov edi, [tmp_task_ptab] |
398 | stdcall map_page, edi, eax, PG_SWR |
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399 | mov ecx, 1024 |
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2288 | clevermous | 400 | xor eax, eax |
401 | rep stosd |
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402 | |||
6333 | serge | 403 | add edx, 4 |
404 | dec esi |
||
405 | jnz .alloc_page_dir |
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2288 | clevermous | 406 | |
6333 | serge | 407 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 408 | mov eax, [process] |
409 | |||
410 | pop edi |
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411 | pop esi |
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412 | pop ebx |
||
2288 | clevermous | 413 | ret |
414 | .fail: |
||
6333 | serge | 415 | mov ecx, [process] |
416 | jcxz @F |
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417 | |||
418 | call destroy_process |
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2288 | clevermous | 419 | @@: |
420 | xor eax, eax |
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5130 | serge | 421 | pop edi |
422 | pop esi |
||
423 | pop ebx |
||
2288 | clevermous | 424 | ret |
425 | endp |
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426 | |||
427 | align 4 |
||
428 | proc destroy_page_table stdcall, pg_tab:dword |
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429 | |||
430 | push esi |
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431 | |||
432 | mov esi, [pg_tab] |
||
433 | mov ecx, 1024 |
||
434 | .free: |
||
435 | mov eax, [esi] |
||
436 | test eax, 1 |
||
437 | jz .next |
||
5130 | serge | 438 | test eax, 2 |
439 | jz .next |
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2288 | clevermous | 440 | test eax, 1 shl 9 |
441 | jnz .next ;skip shared pages |
||
442 | call free_page |
||
443 | .next: |
||
444 | add esi, 4 |
||
445 | dec ecx |
||
446 | jnz .free |
||
447 | pop esi |
||
448 | ret |
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449 | endp |
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450 | |||
451 | align 4 |
||
5130 | serge | 452 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 453 | |
5130 | serge | 454 | lea eax, [ecx+PROC.thr_list] |
455 | cmp eax, [eax+LHEAD.next] |
||
456 | jne .exit |
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2288 | clevermous | 457 | |
5130 | serge | 458 | align 4 |
459 | .internal: |
||
460 | push ecx |
||
2288 | clevermous | 461 | |
6263 | serge | 462 | mov esi, ecx |
463 | list_del esi |
||
464 | |||
465 | mov esi, [esi+PROC.dlls_list_ptr] |
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5130 | serge | 466 | call destroy_all_hdlls |
2288 | clevermous | 467 | |
5130 | serge | 468 | mov esi, [esp] |
469 | add esi, PROC.pdt_0 |
||
470 | mov edi, (0x80000000 shr 20)/4 |
||
2288 | clevermous | 471 | .destroy: |
472 | mov eax, [esi] |
||
473 | test eax, 1 |
||
474 | jz .next |
||
475 | and eax, not 0xFFF |
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5356 | serge | 476 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 477 | stdcall destroy_page_table, [tmp_task_ptab] |
478 | mov eax, [esi] |
||
479 | call free_page |
||
480 | .next: |
||
481 | add esi, 4 |
||
482 | dec edi |
||
483 | jnz .destroy |
||
484 | |||
5130 | serge | 485 | call kernel_free ;ecx still in stack |
486 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
||
2288 | clevermous | 487 | .exit: |
488 | ret |
||
489 | |||
490 | align 4 |
||
491 | get_pid: |
||
492 | mov eax, [TASK_BASE] |
||
493 | mov eax, [eax+TASKDATA.pid] |
||
494 | ret |
||
495 | |||
496 | pid_to_slot: |
||
497 | ;Input: |
||
498 | ; eax - pid of process |
||
499 | ;Output: |
||
500 | ; eax - slot of process or 0 if process don't exists |
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501 | ;Search process by PID. |
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502 | push ebx |
||
503 | push ecx |
||
504 | mov ebx, [TASK_COUNT] |
||
505 | shl ebx, 5 |
||
506 | mov ecx, 2*32 |
||
507 | |||
508 | .loop: |
||
509 | ;ecx=offset of current process info entry |
||
510 | ;ebx=maximum permitted offset |
||
511 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
||
512 | jz .endloop ;skip empty slots |
||
513 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
||
514 | jz .pid_found |
||
515 | .endloop: |
||
516 | add ecx, 32 |
||
517 | cmp ecx, ebx |
||
518 | jle .loop |
||
519 | |||
520 | pop ecx |
||
521 | pop ebx |
||
522 | xor eax, eax |
||
523 | ret |
||
524 | |||
525 | .pid_found: |
||
526 | shr ecx, 5 |
||
527 | mov eax, ecx ;convert offset to index of slot |
||
528 | pop ecx |
||
529 | pop ebx |
||
530 | ret |
||
531 | |||
532 | check_region: |
||
533 | ;input: |
||
534 | ; esi - start of buffer |
||
535 | ; edx - size of buffer |
||
536 | ;result: |
||
537 | ; eax = 1 region lays in app memory |
||
538 | ; eax = 0 region don't lays in app memory |
||
5130 | serge | 539 | |
540 | mov eax, 1 |
||
541 | ret |
||
542 | if 0 |
||
2288 | clevermous | 543 | mov eax, [CURRENT_TASK] |
544 | ; jmp check_process_region |
||
545 | ;----------------------------------------------------------------------------- |
||
546 | ;check_process_region: |
||
547 | ;input: |
||
548 | ; eax - slot |
||
549 | ; esi - start of buffer |
||
550 | ; edx - size of buffer |
||
551 | ;result: |
||
552 | ; eax = 1 region lays in app memory |
||
553 | ; eax = 0 region don't lays in app memory |
||
554 | |||
555 | test edx, edx |
||
556 | jle .ok |
||
557 | shl eax, 5 |
||
558 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
559 | jnz .failed |
||
560 | shl eax, 3 |
||
561 | mov eax, [SLOT_BASE+eax+0xb8] |
||
562 | test eax, eax |
||
563 | jz .failed |
||
564 | |||
565 | mov eax, 1 |
||
566 | ret |
||
567 | .ok: |
||
568 | mov eax, 1 |
||
569 | ret |
||
570 | .failed: |
||
571 | xor eax, eax |
||
572 | ret |
||
5130 | serge | 573 | end if |
2288 | clevermous | 574 | |
575 | align 4 |
||
576 | proc read_process_memory |
||
577 | ;Input: |
||
578 | ; eax - process slot |
||
579 | ; ecx - buffer address |
||
580 | ; edx - buffer size |
||
581 | ; esi - start address in other process |
||
582 | ;Output: |
||
583 | ; eax - number of bytes read. |
||
584 | locals |
||
585 | slot dd ? |
||
586 | buff dd ? |
||
587 | r_count dd ? |
||
588 | offset dd ? |
||
589 | tmp_r_cnt dd ? |
||
590 | endl |
||
591 | |||
592 | mov [slot], eax |
||
593 | mov [buff], ecx |
||
594 | and [r_count], 0 |
||
595 | mov [tmp_r_cnt], edx |
||
596 | mov [offset], esi |
||
597 | |||
598 | pushad |
||
599 | .read_mem: |
||
600 | mov edx, [offset] |
||
601 | mov ebx, [tmp_r_cnt] |
||
602 | |||
603 | mov ecx, 0x400000 |
||
604 | and edx, 0x3FFFFF |
||
605 | sub ecx, edx |
||
606 | cmp ecx, ebx |
||
607 | jbe @f |
||
608 | mov ecx, ebx |
||
609 | @@: |
||
610 | cmp ecx, 0x8000 |
||
611 | jna @F |
||
612 | mov ecx, 0x8000 |
||
613 | @@: |
||
614 | mov ebx, [offset] |
||
615 | |||
616 | push ecx |
||
617 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 618 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 619 | pop ecx |
620 | |||
621 | mov esi, [offset] |
||
622 | and esi, 0xfff |
||
623 | sub eax, esi |
||
624 | jbe .ret |
||
625 | cmp ecx, eax |
||
626 | jbe @f |
||
627 | mov ecx, eax |
||
628 | mov [tmp_r_cnt], eax |
||
629 | @@: |
||
630 | add esi, [proc_mem_map] |
||
631 | mov edi, [buff] |
||
632 | mov edx, ecx |
||
633 | rep movsb |
||
634 | add [r_count], edx |
||
635 | |||
636 | add [offset], edx |
||
637 | sub [tmp_r_cnt], edx |
||
638 | jnz .read_mem |
||
639 | .ret: |
||
640 | popad |
||
641 | mov eax, [r_count] |
||
642 | ret |
||
643 | endp |
||
644 | |||
645 | align 4 |
||
646 | proc write_process_memory |
||
647 | ;Input: |
||
648 | ; eax - process slot |
||
649 | ; ecx - buffer address |
||
650 | ; edx - buffer size |
||
651 | ; esi - start address in other process |
||
652 | ;Output: |
||
653 | ; eax - number of bytes written |
||
654 | |||
655 | locals |
||
656 | slot dd ? |
||
657 | buff dd ? |
||
658 | w_count dd ? |
||
659 | offset dd ? |
||
660 | tmp_w_cnt dd ? |
||
661 | endl |
||
662 | |||
663 | mov [slot], eax |
||
664 | mov [buff], ecx |
||
665 | and [w_count], 0 |
||
666 | mov [tmp_w_cnt], edx |
||
667 | mov [offset], esi |
||
668 | |||
669 | pushad |
||
670 | .read_mem: |
||
671 | mov edx, [offset] |
||
672 | mov ebx, [tmp_w_cnt] |
||
673 | |||
674 | mov ecx, 0x400000 |
||
675 | and edx, 0x3FFFFF |
||
676 | sub ecx, edx |
||
677 | cmp ecx, ebx |
||
678 | jbe @f |
||
679 | mov ecx, ebx |
||
680 | @@: |
||
681 | cmp ecx, 0x8000 |
||
682 | jna @F |
||
683 | mov ecx, 0x8000 |
||
684 | @@: |
||
685 | mov ebx, [offset] |
||
686 | push ecx |
||
687 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 688 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 689 | pop ecx |
690 | |||
691 | mov edi, [offset] |
||
692 | and edi, 0xfff |
||
693 | sub eax, edi |
||
694 | jbe .ret |
||
695 | cmp ecx, eax |
||
696 | jbe @f |
||
697 | mov ecx, eax |
||
698 | mov [tmp_w_cnt], eax |
||
699 | @@: |
||
700 | add edi, [proc_mem_map] |
||
701 | mov esi, [buff] |
||
702 | mov edx, ecx |
||
703 | rep movsb |
||
704 | |||
705 | add [w_count], edx |
||
706 | add [offset], edx |
||
707 | sub [tmp_w_cnt], edx |
||
708 | jnz .read_mem |
||
709 | .ret: |
||
710 | popad |
||
711 | mov eax, [w_count] |
||
712 | ret |
||
713 | endp |
||
714 | |||
4105 | Serge | 715 | ;ebx = 1 - kernel thread |
716 | ;ecx=thread entry point |
||
717 | ;edx=thread stack pointer |
||
718 | ;creation flags 0x01 - debugged |
||
719 | ; 0x02 - kernel |
||
720 | |||
2288 | clevermous | 721 | align 4 |
722 | proc new_sys_threads |
||
723 | locals |
||
4105 | Serge | 724 | slot dd ? |
725 | flags dd ? |
||
2288 | clevermous | 726 | app_cmdline dd ? ;0x00 |
727 | app_path dd ? ;0x04 |
||
728 | app_eip dd ? ;0x08 |
||
729 | app_esp dd ? ;0x0C |
||
730 | app_mem dd ? ;0x10 |
||
731 | endl |
||
732 | |||
4105 | Serge | 733 | shl ebx, 1 |
734 | mov [flags], ebx |
||
2288 | clevermous | 735 | |
736 | xor eax, eax |
||
737 | mov [app_eip], ecx |
||
738 | mov [app_cmdline], eax |
||
739 | mov [app_esp], edx |
||
740 | mov [app_path], eax |
||
4105 | Serge | 741 | |
3534 | clevermous | 742 | call lock_application_table |
2288 | clevermous | 743 | |
5130 | serge | 744 | call alloc_thread_slot |
2288 | clevermous | 745 | test eax, eax |
746 | jz .failed |
||
747 | |||
748 | mov [slot], eax |
||
749 | |||
750 | mov esi, [current_slot] |
||
751 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
752 | |||
753 | mov edi, eax |
||
754 | shl edi, 8 |
||
755 | add edi, SLOT_BASE |
||
756 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
757 | mov ecx, 256/4 |
||
758 | xor eax, eax |
||
759 | cld |
||
760 | rep stosd ;clean extended information about new thread |
||
761 | mov esi, ebx |
||
762 | mov edi, edx |
||
763 | mov ecx, 11 |
||
764 | rep movsb ;copy process name |
||
765 | |||
766 | |||
767 | mov eax, [ebx+APPDATA.tls_base] |
||
768 | test eax, eax |
||
769 | jz @F |
||
770 | |||
771 | push edx |
||
772 | stdcall user_alloc, 4096 |
||
773 | pop edx |
||
774 | test eax, eax |
||
775 | jz .failed1;eax=0 |
||
776 | @@: |
||
777 | mov [edx+APPDATA.tls_base], eax |
||
778 | |||
6090 | serge | 779 | mov eax, [ebx+APPDATA.process] |
780 | mov [edx+APPDATA.process], eax |
||
781 | |||
782 | lea ebx, [edx+APPDATA.list] |
||
783 | lea ecx, [eax+PROC.thr_list] |
||
784 | list_add_tail ebx, ecx ;add thread to process child's list |
||
785 | |||
2288 | clevermous | 786 | lea eax, [app_cmdline] |
6333 | serge | 787 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 788 | |
789 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 790 | call unlock_application_table |
2288 | clevermous | 791 | ret |
792 | .failed: |
||
793 | xor eax, eax |
||
794 | .failed1: |
||
3534 | clevermous | 795 | call unlock_application_table |
2288 | clevermous | 796 | dec eax ;-1 |
797 | ret |
||
798 | endp |
||
799 | |||
6333 | serge | 800 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
801 | |||
802 | mov edx, [img_size] |
||
803 | mov esi, [file_base] |
||
804 | mov ecx, [file_size] |
||
805 | add edx, 4095 |
||
806 | add ecx, 4095 |
||
807 | shr edx, 12 ; total pages |
||
808 | shr ecx, 12 ; image pages |
||
809 | |||
810 | mov edi, page_tabs |
||
811 | shr esi, 10 |
||
812 | add esi, edi |
||
813 | |||
814 | .map_image: |
||
815 | lodsd |
||
816 | and eax, -4096 |
||
817 | or eax, PG_UWR |
||
818 | stosd |
||
819 | dec edx |
||
820 | loop .map_image |
||
821 | |||
822 | test edx, edx |
||
823 | jz .done |
||
824 | .map_bss: |
||
825 | call alloc_page |
||
826 | test eax, eax |
||
827 | jz .fail |
||
828 | |||
829 | or eax, PG_UWR |
||
830 | stosd |
||
831 | dec edx |
||
832 | jnz .map_bss |
||
833 | |||
834 | mov edi, [file_size] |
||
835 | mov ecx, [img_size] |
||
836 | add edi, 4095 |
||
837 | and edi, -4096 |
||
838 | add ecx, 4095 |
||
839 | and ecx, -4096 |
||
840 | sub ecx, edi |
||
841 | shr ecx, 2 |
||
842 | xor eax, eax |
||
843 | rep stosd |
||
844 | .done: |
||
845 | .fail: |
||
846 | ret |
||
847 | endp |
||
848 | |||
2288 | clevermous | 849 | align 4 |
6333 | serge | 850 | common_app_entry: |
2288 | clevermous | 851 | |
6333 | serge | 852 | mov ebp, [current_slot] |
853 | mov ebp, [ebp+APPDATA.exec_params] |
||
854 | test ebp, ebp |
||
855 | jz .exit |
||
856 | |||
857 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
||
858 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
859 | |||
860 | xor eax, eax |
||
861 | mov edi, [ebp+APP_HDR.path] |
||
862 | lea esi, [ebp+sizeof.APP_HDR] |
||
863 | mov ecx, [ebp+APP_HDR.filename_size] |
||
864 | test edi, edi |
||
865 | jnz .copy_filename |
||
866 | |||
867 | add esi, ecx |
||
868 | jmp .check_cmdline |
||
869 | |||
6337 | serge | 870 | .copy_full_path: |
871 | mov esi, [current_slot] |
||
872 | mov esi, [esi+APPDATA.cur_dir] |
||
6338 | serge | 873 | mov ebx, 1023 |
6337 | serge | 874 | mov al, '/' |
875 | stosb |
||
6338 | serge | 876 | |
877 | .copy_path: |
||
878 | dec ebx |
||
879 | jz .finish_path |
||
6337 | serge | 880 | lodsb |
881 | stosb |
||
882 | test al, al |
||
6338 | serge | 883 | jnz .copy_path |
6337 | serge | 884 | mov byte [edi-1], '/' |
885 | |||
6338 | serge | 886 | cmp ecx, ebx |
887 | jbe @F |
||
888 | mov ecx, ebx |
||
889 | @@: |
||
6337 | serge | 890 | lea esi, [ebp+sizeof.APP_HDR] |
891 | xor eax, eax |
||
892 | rep movsb |
||
893 | stosb |
||
894 | jmp .check_cmdline |
||
895 | |||
6338 | serge | 896 | .finish_path: |
897 | xor eax, eax |
||
898 | stosb |
||
899 | jmp .check_cmdline |
||
900 | |||
6333 | serge | 901 | .copy_filename: |
6337 | serge | 902 | cmp byte [esi], '/' |
903 | jne .copy_full_path |
||
904 | |||
6333 | serge | 905 | rep movsb |
906 | stosb |
||
907 | |||
908 | .check_cmdline: |
||
909 | mov edi, [ebp+APP_HDR.cmdline] |
||
910 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
911 | test edi, edi |
||
912 | jz .check_tls_header |
||
913 | |||
914 | cmp ecx, 256 |
||
915 | jb .copy_cmdline |
||
916 | |||
917 | mov edi, [ebp+APP_HDR._emem] |
||
918 | add edi, 4095 |
||
919 | and edi, -4096 |
||
920 | sub edi, ecx |
||
921 | dec edi |
||
922 | |||
923 | cmp word [6], '00' |
||
924 | jne @F |
||
925 | mov [APP_HEADER_00_.i_param], edi |
||
926 | jmp .copy_cmdline |
||
927 | @@: |
||
928 | mov [APP_HEADER_01_.i_param], edi |
||
929 | |||
930 | .copy_cmdline: |
||
931 | rep movsb |
||
932 | stosb |
||
933 | |||
934 | .check_tls_header: |
||
935 | cmp word [6], '02' |
||
936 | jne .cleanup |
||
937 | |||
2288 | clevermous | 938 | call init_heap |
939 | stdcall user_alloc, 4096 |
||
940 | |||
941 | mov edx, [current_slot] |
||
942 | mov [edx+APPDATA.tls_base], eax |
||
943 | mov [tls_data_l+2], ax |
||
944 | shr eax, 16 |
||
945 | mov [tls_data_l+4], al |
||
946 | mov [tls_data_l+7], ah |
||
947 | mov dx, app_tls |
||
948 | mov fs, dx |
||
6333 | serge | 949 | |
950 | .cleanup: |
||
951 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
952 | stdcall kernel_free, ebp |
||
6345 | serge | 953 | |
954 | mov ebx, [current_slot] |
||
955 | cmp [ebx+APPDATA.debugger_slot], 0 |
||
956 | je .exit |
||
957 | mov eax, [TASK_BASE] |
||
958 | mov [eax+TASKDATA.state], 1 |
||
959 | call change_task |
||
6333 | serge | 960 | .exit: |
2288 | clevermous | 961 | popad |
962 | iretd |
||
963 | |||
964 | EFL_IF equ 0x0200 |
||
965 | EFL_IOPL1 equ 0x1000 |
||
966 | EFL_IOPL2 equ 0x2000 |
||
967 | EFL_IOPL3 equ 0x3000 |
||
968 | |||
969 | align 4 |
||
6333 | serge | 970 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 971 | |
972 | locals |
||
973 | pl0_stack dd ? |
||
974 | endl |
||
975 | |||
976 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
||
977 | mov [pl0_stack], eax |
||
978 | |||
979 | lea edi, [eax+RING0_STACK_SIZE] |
||
980 | |||
981 | mov eax, [slot] |
||
982 | mov ebx, eax |
||
983 | |||
984 | shl eax, 8 |
||
985 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
986 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
987 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3296 | clevermous | 988 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
2288 | clevermous | 989 | |
990 | ;set default io permission map |
||
991 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
||
992 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
993 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
994 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
995 | |||
996 | mov esi, fpu_data |
||
997 | mov ecx, 512/4 |
||
998 | rep movsd |
||
999 | |||
1000 | cmp ebx, [TASK_COUNT] |
||
1001 | jle .noinc |
||
1002 | inc dword [TASK_COUNT] ;update number of processes |
||
1003 | .noinc: |
||
1004 | shl ebx, 8 |
||
1005 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1006 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
1007 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
1008 | |||
1009 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
||
1010 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
1011 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
1012 | |||
1013 | mov ecx, [def_cursor] |
||
1014 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
1015 | mov eax, [pl0_stack] |
||
1016 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
1017 | add eax, RING0_STACK_SIZE |
||
1018 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
1019 | |||
1020 | push ebx |
||
1021 | stdcall kernel_alloc, 0x1000 |
||
1022 | pop ebx |
||
1023 | mov esi, [current_slot] |
||
1024 | mov esi, [esi+APPDATA.cur_dir] |
||
1025 | mov ecx, 0x1000/4 |
||
1026 | mov edi, eax |
||
1027 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
1028 | rep movsd |
||
1029 | |||
1030 | shr ebx, 3 |
||
6333 | serge | 1031 | mov dword [CURRENT_TASK+ebx+0x10], 0 |
2288 | clevermous | 1032 | |
1033 | mov ebx, [slot] |
||
1034 | mov eax, ebx |
||
1035 | shl ebx, 5 |
||
1036 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
1037 | |||
1038 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
1039 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
||
1040 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1041 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
1042 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
1043 | |||
1044 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
||
1045 | |||
1046 | inc dword [process_number] |
||
1047 | mov eax, [process_number] |
||
1048 | mov [ebx+4], eax ;set PID |
||
1049 | |||
1050 | ;set draw data to full screen |
||
1051 | xor eax, eax |
||
1052 | mov [ecx+0], dword eax |
||
1053 | mov [ecx+4], dword eax |
||
5350 | serge | 1054 | mov eax, [screen_workarea.right] |
2288 | clevermous | 1055 | mov [ecx+8], eax |
5350 | serge | 1056 | mov eax, [screen_workarea.bottom] |
2288 | clevermous | 1057 | mov [ecx+12], eax |
1058 | |||
1059 | mov ebx, [pl0_stack] |
||
1060 | mov esi, [params] |
||
1061 | lea ecx, [ebx+REG_EIP] |
||
1062 | xor eax, eax |
||
1063 | |||
6333 | serge | 1064 | mov [ebx+REG_RET], dword common_app_entry |
2288 | clevermous | 1065 | mov [ebx+REG_EDI], eax |
1066 | mov [ebx+REG_ESI], eax |
||
1067 | mov [ebx+REG_EBP], eax |
||
1068 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1069 | mov [ebx+REG_EBX], eax |
||
1070 | mov [ebx+REG_EDX], eax |
||
1071 | mov [ebx+REG_ECX], eax |
||
1072 | mov [ebx+REG_EAX], eax |
||
1073 | |||
6333 | serge | 1074 | mov eax, [esi+APP_HDR.eip] |
1075 | mov [ebx+REG_EIP], eax |
||
2288 | clevermous | 1076 | mov [ebx+REG_CS], dword app_code |
3534 | clevermous | 1077 | mov ecx, USER_PRIORITY |
4105 | Serge | 1078 | |
1079 | test byte [flags], 2 |
||
1080 | jz @F |
||
1081 | |||
3325 | clevermous | 1082 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 1083 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 1084 | @@: |
2288 | clevermous | 1085 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
1086 | |||
6333 | serge | 1087 | mov eax, [esi+APP_HDR.esp] |
1088 | mov [ebx+REG_APP_ESP], eax |
||
2288 | clevermous | 1089 | mov [ebx+REG_SS], dword app_data |
1090 | |||
3534 | clevermous | 1091 | lea edx, [ebx+REG_RET] |
2288 | clevermous | 1092 | mov ebx, [slot] |
1093 | shl ebx, 5 |
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3534 | clevermous | 1094 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
2288 | clevermous | 1095 | |
3534 | clevermous | 1096 | xor edx, edx; process state - running |
2288 | clevermous | 1097 | ; set if debuggee |
1098 | test byte [flags], 1 |
||
1099 | jz .no_debug |
||
1100 | mov eax, [CURRENT_TASK] |
||
1101 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
1102 | .no_debug: |
||
3534 | clevermous | 1103 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1104 | lea edx, [SLOT_BASE+ebx*8] |
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1105 | call scheduler_add_thread |
||
2288 | clevermous | 1106 | ret |
1107 | endp |
||
1108 | |||
1109 | align 4 |
||
1110 | get_stack_base: |
||
1111 | mov eax, [current_slot] |
||
1112 | mov eax, [eax+APPDATA.pl0_stack] |
||
1113 | ret |
||
1114 | |||
1115 | |||
1116 | include "debug.inc"> |