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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 2010 $ |
9 | |||
10 | |||
357 | serge | 11 | GREEDY_KERNEL equ 0 |
164 | serge | 12 | |
13 | struc APP_HEADER_00 |
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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 | } |
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21 | |||
22 | struc APP_HEADER_01 |
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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 | } |
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32 | |||
237 | serge | 33 | |
34 | struc APP_PARAMS |
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1074 | Galkov | 35 | { .app_cmdline ;0x00 |
36 | .app_path ;0x04 |
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37 | .app_eip ;0x08 |
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38 | .app_esp ;0x0C |
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39 | .app_mem ;0x10 |
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237 | serge | 40 | } |
41 | |||
42 | macro _clear_ op |
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43 | { mov ecx, op/4 |
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44 | xor eax, eax |
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45 | cld |
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46 | rep stosd |
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47 | } |
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48 | |||
521 | diamond | 49 | fs_execute_from_sysdir: |
1074 | Galkov | 50 | xor ebx, ebx |
2010 | serge | 51 | fs_execute_from_sysdir_param: |
1074 | Galkov | 52 | xor edx, edx |
53 | mov esi, sysdir_path |
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363 | serge | 54 | |
164 | serge | 55 | align 4 |
363 | serge | 56 | proc fs_execute |
57 | |||
58 | ;fn_read:dword, file_size:dword, cluster:dword |
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59 | |||
60 | ; ebx - cmdline |
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61 | ; edx - flags |
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62 | ; ebp - full filename |
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63 | ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
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64 | |||
1074 | Galkov | 65 | locals |
66 | cmdline rd 64 ;256/4 |
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67 | filename rd 256 ;1024/4 |
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68 | flags dd ? |
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363 | serge | 69 | |
1074 | Galkov | 70 | save_cr3 dd ? |
71 | slot dd ? |
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72 | slot_base dd ? |
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73 | file_base dd ? |
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74 | file_size dd ? |
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75 | ;app header data |
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76 | hdr_cmdline dd ? ;0x00 |
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77 | hdr_path dd ? ;0x04 |
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78 | hdr_eip dd ? ;0x08 |
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79 | hdr_esp dd ? ;0x0C |
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80 | hdr_mem dd ? ;0x10 |
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81 | hdr_i_end dd ? ;0x14 |
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82 | endl |
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164 | serge | 83 | |
1074 | Galkov | 84 | pushad |
363 | serge | 85 | |
1074 | Galkov | 86 | mov [flags], edx |
363 | serge | 87 | |
88 | ; [ebp] pointer to filename |
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89 | |||
1074 | Galkov | 90 | lea edi, [filename] |
91 | lea ecx, [edi+1024] |
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92 | mov al, '/' |
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93 | stosb |
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521 | diamond | 94 | @@: |
1074 | Galkov | 95 | cmp edi, ecx |
96 | jae .bigfilename |
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97 | lodsb |
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98 | stosb |
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99 | test al, al |
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100 | jnz @b |
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101 | mov esi, [ebp] |
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102 | test esi, esi |
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103 | jz .namecopied |
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104 | mov byte [edi-1], '/' |
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521 | diamond | 105 | @@: |
1074 | Galkov | 106 | cmp edi, ecx |
107 | jae .bigfilename |
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108 | lodsb |
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109 | stosb |
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110 | test al, al |
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111 | jnz @b |
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112 | jmp .namecopied |
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521 | diamond | 113 | .bigfilename: |
1074 | Galkov | 114 | popad |
115 | mov eax, -ERROR_FILE_NOT_FOUND |
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116 | ret |
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1220 | serge | 117 | |
521 | diamond | 118 | .namecopied: |
363 | serge | 119 | |
1074 | Galkov | 120 | mov [cmdline], ebx |
121 | test ebx, ebx |
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122 | jz @F |
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519 | serge | 123 | |
1074 | Galkov | 124 | lea eax, [cmdline] |
125 | mov dword [eax+252], 0 |
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126 | stdcall strncpy, eax, ebx, 255 |
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519 | serge | 127 | @@: |
1074 | Galkov | 128 | lea eax, [filename] |
129 | stdcall load_file, eax |
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130 | mov ecx, -ERROR_FILE_NOT_FOUND |
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131 | test eax, eax |
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132 | jz .err_file |
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237 | serge | 133 | |
1074 | Galkov | 134 | mov [file_base], eax |
135 | mov [file_size], ebx |
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237 | serge | 136 | |
1074 | Galkov | 137 | lea ebx, [hdr_cmdline] |
138 | call test_app_header |
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139 | mov ecx, -0x1F |
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140 | test eax, eax |
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141 | jz .err_hdr |
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237 | serge | 142 | |
1074 | Galkov | 143 | ;mov esi, new_process_loading |
144 | ;call sys_msg_board_str ; write message to message board |
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237 | serge | 145 | |
146 | .wait_lock: |
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1074 | Galkov | 147 | cmp [application_table_status],0 |
148 | je .get_lock |
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149 | call change_task |
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150 | jmp .wait_lock |
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237 | serge | 151 | |
152 | .get_lock: |
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1074 | Galkov | 153 | mov eax, 1 |
154 | xchg eax, [application_table_status] |
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1260 | Lrz | 155 | test eax, eax |
156 | jnz .wait_lock |
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237 | serge | 157 | |
1074 | Galkov | 158 | call set_application_table_status |
237 | serge | 159 | |
1074 | Galkov | 160 | call get_new_process_place |
161 | test eax, eax |
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162 | mov ecx, -0x20 ; too many processes |
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163 | jz .err |
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237 | serge | 164 | |
1074 | Galkov | 165 | mov [slot], eax |
166 | shl eax, 8 |
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167 | add eax, SLOT_BASE |
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168 | mov [slot_base], eax |
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169 | mov edi, eax |
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170 | _clear_ 256 ;clean extended information about process |
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237 | serge | 171 | |
172 | ; write application name |
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1074 | Galkov | 173 | lea eax, [filename] |
174 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 175 | |
1074 | Galkov | 176 | lea esi, [eax+1] |
177 | test eax, eax |
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178 | jnz @F |
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179 | lea esi, [filename] |
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237 | serge | 180 | @@: |
1074 | Galkov | 181 | mov ecx, 8 ; 8 chars for name |
182 | mov edi, [slot_base] |
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237 | serge | 183 | .copy_process_name_loop: |
1074 | Galkov | 184 | lodsb |
185 | cmp al, '.' |
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186 | jz .copy_process_name_done |
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187 | test al, al |
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188 | jz .copy_process_name_done |
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189 | stosb |
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190 | loop .copy_process_name_loop |
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237 | serge | 191 | .copy_process_name_done: |
192 | |||
1074 | Galkov | 193 | mov ebx, cr3 |
194 | mov [save_cr3], ebx |
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269 | serge | 195 | |
1074 | Galkov | 196 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
197 | mov ecx, -30 ; no memory |
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198 | test eax, eax |
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199 | jz .failed |
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237 | serge | 200 | |
1074 | Galkov | 201 | mov ebx,[slot_base] |
202 | mov [ebx+APPDATA.dir_table],eax |
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203 | mov eax,[hdr_mem] |
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204 | mov [ebx+APPDATA.mem_size],eax |
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237 | serge | 205 | |
1220 | serge | 206 | xor edx, edx |
207 | cmp word [6], '02' |
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208 | jne @f |
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209 | |||
210 | not edx |
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211 | @@: |
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212 | mov [ebx+APPDATA.tls_base],edx |
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213 | |||
357 | serge | 214 | if GREEDY_KERNEL |
215 | else |
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1074 | Galkov | 216 | mov ecx, [hdr_mem] |
217 | mov edi, [file_size] |
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218 | add edi, 4095 |
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219 | and edi, not 4095 |
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220 | sub ecx, edi |
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221 | jna @F |
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269 | serge | 222 | |
1074 | Galkov | 223 | xor eax, eax |
1220 | serge | 224 | cld |
1074 | Galkov | 225 | rep stosb |
247 | serge | 226 | @@: |
269 | serge | 227 | end if |
228 | |||
229 | ; release only virtual space, not phisical memory |
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230 | |||
1074 | Galkov | 231 | stdcall free_kernel_space, [file_base] |
232 | lea eax, [hdr_cmdline] |
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233 | lea ebx, [cmdline] |
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234 | lea ecx, [filename] |
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235 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
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237 | serge | 236 | |
1074 | Galkov | 237 | mov eax, [save_cr3] |
238 | call set_cr3 |
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237 | serge | 239 | |
1074 | Galkov | 240 | xor ebx, ebx |
241 | mov [application_table_status],ebx ;unlock application_table_status mutex |
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242 | mov eax,[process_number] ;set result |
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243 | ret |
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237 | serge | 244 | .failed: |
1074 | Galkov | 245 | mov eax, [save_cr3] |
246 | call set_cr3 |
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269 | serge | 247 | .err: |
247 | serge | 248 | .err_hdr: |
1074 | Galkov | 249 | stdcall kernel_free,[file_base] |
247 | serge | 250 | .err_file: |
1074 | Galkov | 251 | xor eax, eax |
252 | mov [application_table_status],eax |
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253 | mov eax, ecx |
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254 | ret |
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237 | serge | 255 | endp |
164 | serge | 256 | |
237 | serge | 257 | align 4 |
258 | test_app_header: |
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1074 | Galkov | 259 | virtual at eax |
260 | APP_HEADER_00 APP_HEADER_00 |
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261 | end virtual |
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262 | virtual at eax |
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263 | APP_HEADER_01 APP_HEADER_01 |
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264 | end virtual |
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164 | serge | 265 | |
1074 | Galkov | 266 | cmp dword [eax], 'MENU' |
267 | jne .fail |
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268 | cmp word [eax+4],'ET' |
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269 | jne .fail |
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164 | serge | 270 | |
1074 | Galkov | 271 | cmp [eax+6], word '00' |
272 | jne .check_01_header |
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164 | serge | 273 | |
1074 | Galkov | 274 | mov ecx,[APP_HEADER_00.start] |
1220 | serge | 275 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 276 | mov edx,[APP_HEADER_00.mem_size] |
1220 | serge | 277 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 278 | shr edx,1 |
279 | sub edx,0x10 |
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1220 | serge | 280 | mov [ebx+0x0C], edx ;app_esp |
1074 | Galkov | 281 | mov ecx,[APP_HEADER_00.i_param] |
1220 | serge | 282 | mov [ebx], ecx ;app_cmdline |
283 | mov [ebx+4], dword 0 ;app_path |
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1074 | Galkov | 284 | mov edx, [APP_HEADER_00.i_end] |
285 | mov [ebx+0x14], edx |
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286 | ret |
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164 | serge | 287 | |
237 | serge | 288 | .check_01_header: |
164 | serge | 289 | |
1220 | serge | 290 | cmp [eax+6], word '01' |
291 | je @f |
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292 | cmp [eax+6], word '02' |
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293 | jne .fail |
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294 | @@: |
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1074 | Galkov | 295 | mov ecx,[APP_HEADER_01.start] |
1220 | serge | 296 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 297 | mov edx,[APP_HEADER_01.mem_size] |
381 | serge | 298 | |
299 | ; \begin{diamond}[20.08.2006] |
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300 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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301 | ; fit in allocated memory to prevent kernel faults) |
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1074 | Galkov | 302 | cmp edx,[APP_HEADER_01.i_end] |
303 | jb .fail |
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381 | serge | 304 | ; \end{diamond}[20.08.2006] |
305 | |||
1220 | serge | 306 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 307 | mov ecx,[APP_HEADER_01.stack_top] |
1220 | serge | 308 | mov [ebx+0x0C], ecx ;app_esp |
1074 | Galkov | 309 | mov edx,[APP_HEADER_01.i_param] |
1220 | serge | 310 | mov [ebx], edx ;app_cmdline |
1074 | Galkov | 311 | mov ecx,[APP_HEADER_01.i_icon] |
1220 | serge | 312 | mov [ebx+4], ecx ;app_path |
1074 | Galkov | 313 | mov edx, [APP_HEADER_01.i_end] |
314 | mov [ebx+0x14], edx |
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315 | ret |
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237 | serge | 316 | .fail: |
1074 | Galkov | 317 | xor eax, eax |
318 | ret |
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164 | serge | 319 | |
320 | align 4 |
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321 | proc get_new_process_place |
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322 | ;input: |
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323 | ; none |
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324 | ;result: |
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325 | ; eax=[new_process_place]<>0 - ok |
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326 | ; 0 - failed. |
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327 | ;This function find least empty slot. |
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328 | ;It doesn't increase [TASK_COUNT]! |
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1074 | Galkov | 329 | mov eax,CURRENT_TASK |
330 | mov ebx,[TASK_COUNT] |
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331 | inc ebx |
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332 | shl ebx,5 |
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333 | add ebx,eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 334 | .newprocessplace: |
335 | ;eax = address of process information for current slot |
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1074 | Galkov | 336 | cmp eax,ebx |
337 | jz .endnewprocessplace ;empty slot after high boundary |
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338 | add eax,0x20 |
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339 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
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340 | jnz .newprocessplace |
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164 | serge | 341 | .endnewprocessplace: |
1074 | Galkov | 342 | mov ebx,eax |
343 | sub eax,CURRENT_TASK |
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344 | shr eax,5 ;calculate slot index |
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345 | cmp eax,256 |
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346 | jge .failed ;it should be <256 |
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347 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
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348 | ret |
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164 | serge | 349 | .failed: |
1074 | Galkov | 350 | xor eax,eax |
351 | ret |
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164 | serge | 352 | endp |
353 | |||
354 | align 4 |
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269 | serge | 355 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 356 | locals |
357 | app_pages dd ? |
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358 | img_pages dd ? |
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359 | dir_addr dd ? |
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360 | app_tabs dd ? |
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361 | endl |
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164 | serge | 362 | |
1074 | Galkov | 363 | mov ebx, pg_data.pg_mutex |
364 | call wait_mutex ;ebx |
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164 | serge | 365 | |
1074 | Galkov | 366 | xor eax, eax |
367 | mov [dir_addr], eax |
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164 | serge | 368 | |
1074 | Galkov | 369 | mov eax, [app_size] |
370 | add eax, 4095 |
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371 | and eax, NOT(4095) |
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372 | mov [app_size], eax |
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373 | mov ebx, eax |
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374 | shr eax, 12 |
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375 | mov [app_pages], eax |
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170 | serge | 376 | |
1074 | Galkov | 377 | add ebx, 0x3FFFFF |
378 | and ebx, NOT(0x3FFFFF) |
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379 | shr ebx, 22 |
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380 | mov [app_tabs], ebx |
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164 | serge | 381 | |
1074 | Galkov | 382 | mov ecx, [img_size] |
383 | add ecx, 4095 |
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384 | and ecx, NOT(4095) |
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164 | serge | 385 | |
1074 | Galkov | 386 | mov [img_size], ecx |
387 | shr ecx, 12 |
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388 | mov [img_pages], ecx |
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164 | serge | 389 | |
170 | serge | 390 | if GREEDY_KERNEL |
1074 | Galkov | 391 | lea eax, [ecx+ebx+2] ;only image size |
170 | serge | 392 | else |
1074 | Galkov | 393 | lea eax, [eax+ebx+2] ;all requested memory |
170 | serge | 394 | end if |
1074 | Galkov | 395 | cmp eax, [pg_data.pages_free] |
396 | ja .fail |
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170 | serge | 397 | |
1074 | Galkov | 398 | call alloc_page |
399 | test eax, eax |
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400 | jz .fail |
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401 | mov [dir_addr], eax |
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402 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
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164 | serge | 403 | |
1074 | Galkov | 404 | mov edi, [tmp_task_pdir] |
405 | mov ecx, (OS_BASE shr 20)/4 |
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406 | xor eax, eax |
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407 | cld |
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408 | rep stosd |
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465 | serge | 409 | |
1074 | Galkov | 410 | mov ecx, (OS_BASE shr 20)/4 |
411 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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412 | rep movsd |
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164 | serge | 413 | |
1074 | Galkov | 414 | mov eax, [dir_addr] |
415 | or eax, PG_SW |
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416 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 417 | |
1074 | Galkov | 418 | and eax, -4096 |
419 | call set_cr3 |
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164 | serge | 420 | |
1074 | Galkov | 421 | mov edx, [app_tabs] |
422 | mov edi, new_app_base |
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164 | serge | 423 | @@: |
1074 | Galkov | 424 | call alloc_page |
425 | test eax, eax |
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426 | jz .fail |
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164 | serge | 427 | |
1074 | Galkov | 428 | stdcall map_page_table, edi, eax |
429 | add edi, 0x00400000 |
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430 | dec edx |
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431 | jnz @B |
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164 | serge | 432 | |
1074 | Galkov | 433 | mov edi, new_app_base |
434 | shr edi, 10 |
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435 | add edi, page_tabs |
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269 | serge | 436 | |
1074 | Galkov | 437 | mov ecx, [app_tabs] |
438 | shl ecx, 10 |
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439 | xor eax, eax |
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440 | rep stosd |
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164 | serge | 441 | |
1074 | Galkov | 442 | mov ecx, [img_pages] |
443 | mov ebx, PG_UW |
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444 | mov edx, new_app_base |
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445 | mov esi, [img_base] |
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446 | mov edi, new_app_base |
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447 | shr esi, 10 |
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448 | shr edi, 10 |
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449 | add esi, page_tabs |
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450 | add edi, page_tabs |
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269 | serge | 451 | .remap: |
1074 | Galkov | 452 | lodsd |
453 | or eax, ebx ; force user level r/w access |
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454 | stosd |
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455 | add edx, 0x1000 |
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456 | dec [app_pages] |
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457 | dec ecx |
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458 | jnz .remap |
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269 | serge | 459 | |
1074 | Galkov | 460 | mov ecx, [app_pages] |
461 | test ecx, ecx |
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462 | jz .done |
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269 | serge | 463 | |
464 | if GREEDY_KERNEL |
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1074 | Galkov | 465 | mov eax, 0x02 |
1220 | serge | 466 | rep stosd |
269 | serge | 467 | else |
468 | |||
164 | serge | 469 | .alloc: |
1074 | Galkov | 470 | call alloc_page |
471 | test eax, eax |
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472 | jz .fail |
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164 | serge | 473 | |
1074 | Galkov | 474 | stdcall map_page,edx,eax,dword PG_UW |
475 | add edx, 0x1000 |
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476 | dec [app_pages] |
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477 | jnz .alloc |
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269 | serge | 478 | end if |
164 | serge | 479 | |
269 | serge | 480 | .done: |
1074 | Galkov | 481 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
164 | serge | 482 | |
1074 | Galkov | 483 | dec [pg_data.pg_mutex] |
484 | mov eax, [dir_addr] |
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485 | ret |
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164 | serge | 486 | .fail: |
1074 | Galkov | 487 | dec [pg_data.pg_mutex] |
488 | cmp [dir_addr], 0 |
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489 | je @f |
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1311 | diamond | 490 | stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 491 | @@: |
1074 | Galkov | 492 | xor eax, eax |
493 | ret |
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164 | serge | 494 | endp |
495 | |||
496 | align 4 |
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497 | set_cr3: |
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465 | serge | 498 | |
1074 | Galkov | 499 | mov ebx, [current_slot] |
500 | mov [ebx+APPDATA.dir_table], eax |
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501 | mov cr3, eax |
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502 | ret |
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164 | serge | 503 | |
504 | align 4 |
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505 | proc destroy_page_table stdcall, pg_tab:dword |
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506 | |||
1074 | Galkov | 507 | push esi |
164 | serge | 508 | |
1074 | Galkov | 509 | mov esi, [pg_tab] |
510 | mov ecx, 1024 |
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164 | serge | 511 | .free: |
1074 | Galkov | 512 | mov eax, [esi] |
513 | test eax, 1 |
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514 | jz .next |
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819 | serge | 515 | test eax, 1 shl 9 |
516 | jnz .next ;skip shared pages |
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1074 | Galkov | 517 | call free_page |
164 | serge | 518 | .next: |
1074 | Galkov | 519 | add esi, 4 |
520 | dec ecx |
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521 | jnz .free |
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522 | pop esi |
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523 | ret |
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164 | serge | 524 | endp |
525 | |||
526 | align 4 |
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1311 | diamond | 527 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 528 | |
1074 | Galkov | 529 | xor edx,edx |
1311 | diamond | 530 | push edx |
1074 | Galkov | 531 | mov eax,0x2 |
532 | mov ebx, [pg_dir] |
||
164 | serge | 533 | .loop: |
534 | ;eax = current slot of process |
||
1074 | Galkov | 535 | mov ecx,eax |
536 | shl ecx,5 |
||
537 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
||
538 | jz @f ;skip empty slots |
||
539 | shl ecx,3 |
||
1311 | diamond | 540 | add ecx,SLOT_BASE |
541 | cmp [ecx+APPDATA.dir_table],ebx ;compare page directory addresses |
||
1074 | Galkov | 542 | jnz @f |
1311 | diamond | 543 | mov [ebp-4],ecx |
1074 | Galkov | 544 | inc edx ;thread found |
164 | serge | 545 | @@: |
1074 | Galkov | 546 | inc eax |
547 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
||
548 | jle .loop |
||
164 | serge | 549 | |
550 | ;edx = number of threads |
||
551 | ;our process is zombi so it isn't counted |
||
1311 | diamond | 552 | pop ecx |
1074 | Galkov | 553 | cmp edx,1 |
1311 | diamond | 554 | jg .ret |
164 | serge | 555 | ;if there isn't threads then clear memory. |
1311 | diamond | 556 | mov esi, [dlls_list] |
557 | call destroy_all_hdlls |
||
164 | serge | 558 | |
1311 | diamond | 559 | mov ebx, pg_data.pg_mutex |
560 | call wait_mutex ;ebx |
||
561 | |||
1074 | Galkov | 562 | mov eax, [pg_dir] |
563 | and eax, not 0xFFF |
||
1311 | diamond | 564 | stdcall map_page,[tmp_task_pdir],eax,PG_SW |
1074 | Galkov | 565 | mov esi, [tmp_task_pdir] |
566 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 567 | .destroy: |
1074 | Galkov | 568 | mov eax, [esi] |
569 | test eax, 1 |
||
570 | jz .next |
||
571 | and eax, not 0xFFF |
||
1311 | diamond | 572 | stdcall map_page,[tmp_task_ptab],eax,PG_SW |
1074 | Galkov | 573 | stdcall destroy_page_table, [tmp_task_ptab] |
574 | mov eax, [esi] |
||
575 | call free_page |
||
164 | serge | 576 | .next: |
1074 | Galkov | 577 | add esi, 4 |
578 | dec edi |
||
579 | jnz .destroy |
||
164 | serge | 580 | |
1074 | Galkov | 581 | mov eax, [pg_dir] |
582 | call free_page |
||
164 | serge | 583 | .exit: |
1311 | diamond | 584 | stdcall map_page,[tmp_task_ptab],0,PG_UNMAP |
585 | stdcall map_page,[tmp_task_pdir],0,PG_UNMAP |
||
1074 | Galkov | 586 | dec [pg_data.pg_mutex] |
1311 | diamond | 587 | .ret: |
1074 | Galkov | 588 | ret |
164 | serge | 589 | endp |
590 | |||
520 | serge | 591 | align 4 |
592 | get_pid: |
||
1074 | Galkov | 593 | mov eax, [TASK_BASE] |
1220 | serge | 594 | mov eax, [eax+TASKDATA.pid] |
1074 | Galkov | 595 | ret |
520 | serge | 596 | |
164 | serge | 597 | pid_to_slot: |
598 | ;Input: |
||
599 | ; eax - pid of process |
||
600 | ;Output: |
||
601 | ; eax - slot of process or 0 if process don't exists |
||
602 | ;Search process by PID. |
||
603 | push ebx |
||
604 | push ecx |
||
605 | mov ebx,[TASK_COUNT] |
||
606 | shl ebx,5 |
||
607 | mov ecx,2*32 |
||
608 | |||
609 | .loop: |
||
610 | ;ecx=offset of current process info entry |
||
611 | ;ebx=maximum permitted offset |
||
612 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
||
1074 | Galkov | 613 | jz .endloop ;skip empty slots |
164 | serge | 614 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
1074 | Galkov | 615 | jz .pid_found |
164 | serge | 616 | .endloop: |
617 | add ecx,32 |
||
618 | cmp ecx,ebx |
||
619 | jle .loop |
||
620 | |||
621 | pop ecx |
||
622 | pop ebx |
||
623 | xor eax,eax |
||
624 | ret |
||
625 | |||
626 | .pid_found: |
||
627 | shr ecx,5 |
||
1074 | Galkov | 628 | mov eax,ecx ;convert offset to index of slot |
164 | serge | 629 | pop ecx |
630 | pop ebx |
||
631 | ret |
||
632 | |||
633 | check_region: |
||
634 | ;input: |
||
1329 | Lrz | 635 | ; esi - start of buffer |
636 | ; edx - size of buffer |
||
164 | serge | 637 | ;result: |
638 | ; eax = 1 region lays in app memory |
||
639 | ; eax = 0 region don't lays in app memory |
||
640 | mov eax,[CURRENT_TASK] |
||
1329 | Lrz | 641 | ; jmp check_process_region |
164 | serge | 642 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 643 | ;check_process_region: |
164 | serge | 644 | ;input: |
645 | ; eax - slot |
||
1329 | Lrz | 646 | ; esi - start of buffer |
647 | ; edx - size of buffer |
||
164 | serge | 648 | ;result: |
649 | ; eax = 1 region lays in app memory |
||
650 | ; eax = 0 region don't lays in app memory |
||
651 | |||
1329 | Lrz | 652 | test edx,edx |
164 | serge | 653 | jle .ok |
654 | shl eax,5 |
||
655 | cmp word [CURRENT_TASK+eax+0xa],0 |
||
656 | jnz .failed |
||
657 | shl eax,3 |
||
380 | serge | 658 | mov eax,[SLOT_BASE+eax+0xb8] |
164 | serge | 659 | test eax,eax |
660 | jz .failed |
||
661 | |||
662 | mov eax,1 |
||
663 | ret |
||
664 | |||
665 | |||
666 | ; call MEM_Get_Linear_Address |
||
667 | ; push ebx |
||
668 | ; push ecx |
||
669 | ; push edx |
||
670 | ; mov edx,ebx |
||
671 | ; and edx,not (4096-1) |
||
672 | ; sub ebx,edx |
||
673 | ; add ecx,ebx |
||
674 | ; mov ebx,edx |
||
675 | ; add ecx,(4096-1) |
||
676 | ; and ecx,not (4096-1) |
||
677 | ;.loop: |
||
678 | ;;eax - linear address of page directory |
||
679 | ;;ebx - current page |
||
680 | ;;ecx - current size |
||
681 | ; mov edx,ebx |
||
682 | ; shr edx,22 |
||
683 | ; mov edx,[eax+4*edx] |
||
684 | ; and edx,not (4096-1) |
||
685 | ; test edx,edx |
||
686 | ; jz .failed1 |
||
687 | ; push eax |
||
688 | ; mov eax,edx |
||
689 | ; call MEM_Get_Linear_Address |
||
690 | ; mov edx,ebx |
||
691 | ; shr edx,12 |
||
692 | ; and edx,(1024-1) |
||
693 | ; mov eax,[eax+4*edx] |
||
694 | ; and eax,not (4096-1) |
||
695 | ; test eax,eax |
||
696 | ; pop eax |
||
697 | ; jz .failed1 |
||
698 | ; add ebx,4096 |
||
699 | ; sub ecx,4096 |
||
700 | ; jg .loop |
||
701 | ; pop edx |
||
702 | ; pop ecx |
||
703 | ; pop ebx |
||
704 | .ok: |
||
705 | mov eax,1 |
||
706 | ret |
||
707 | ; |
||
708 | ;.failed1: |
||
709 | ; pop edx |
||
710 | ; pop ecx |
||
711 | ; pop ebx |
||
712 | .failed: |
||
713 | xor eax,eax |
||
714 | ret |
||
715 | |||
716 | align 4 |
||
717 | proc read_process_memory |
||
718 | ;Input: |
||
719 | ; eax - process slot |
||
1329 | Lrz | 720 | ; ecx - buffer address |
721 | ; edx - buffer size |
||
722 | ; esi - start address in other process |
||
164 | serge | 723 | ;Output: |
724 | ; eax - number of bytes read. |
||
1074 | Galkov | 725 | locals |
726 | slot dd ? |
||
727 | buff dd ? |
||
728 | r_count dd ? |
||
729 | offset dd ? |
||
730 | tmp_r_cnt dd ? |
||
731 | endl |
||
164 | serge | 732 | |
1074 | Galkov | 733 | mov [slot], eax |
1329 | Lrz | 734 | mov [buff], ecx |
1074 | Galkov | 735 | and [r_count], 0 |
1329 | Lrz | 736 | mov [tmp_r_cnt], edx |
737 | mov [offset], esi |
||
164 | serge | 738 | |
1074 | Galkov | 739 | pushad |
164 | serge | 740 | .read_mem: |
1074 | Galkov | 741 | mov edx, [offset] |
742 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 743 | |
1074 | Galkov | 744 | mov ecx, 0x400000 |
745 | and edx, 0x3FFFFF |
||
746 | sub ecx, edx |
||
747 | cmp ecx, ebx |
||
748 | jbe @f |
||
749 | mov ecx, ebx |
||
164 | serge | 750 | @@: |
1074 | Galkov | 751 | cmp ecx, 0x8000 |
752 | jna @F |
||
753 | mov ecx, 0x8000 |
||
164 | serge | 754 | @@: |
1074 | Galkov | 755 | mov ebx, [offset] |
1220 | serge | 756 | |
1074 | Galkov | 757 | push ecx |
758 | stdcall map_memEx, [proc_mem_map],\ |
||
1314 | diamond | 759 | [slot], ebx, ecx, PG_MAP |
1074 | Galkov | 760 | pop ecx |
164 | serge | 761 | |
1074 | Galkov | 762 | mov esi, [offset] |
763 | and esi, 0xfff |
||
1314 | diamond | 764 | sub eax, esi |
765 | jbe .ret |
||
766 | cmp ecx, eax |
||
767 | jbe @f |
||
768 | mov ecx, eax |
||
769 | mov [tmp_r_cnt], eax |
||
770 | @@: |
||
1074 | Galkov | 771 | add esi, [proc_mem_map] |
772 | mov edi, [buff] |
||
773 | mov edx, ecx |
||
774 | rep movsb |
||
775 | add [r_count], edx |
||
164 | serge | 776 | |
1074 | Galkov | 777 | add [offset], edx |
778 | sub [tmp_r_cnt], edx |
||
779 | jnz .read_mem |
||
1314 | diamond | 780 | .ret: |
1074 | Galkov | 781 | popad |
782 | mov eax, [r_count] |
||
783 | ret |
||
164 | serge | 784 | endp |
785 | |||
786 | align 4 |
||
787 | proc write_process_memory |
||
788 | ;Input: |
||
789 | ; eax - process slot |
||
1329 | Lrz | 790 | ; ecx - buffer address |
791 | ; edx - buffer size |
||
792 | ; esi - start address in other process |
||
164 | serge | 793 | ;Output: |
794 | ; eax - number of bytes written |
||
795 | |||
1074 | Galkov | 796 | locals |
797 | slot dd ? |
||
798 | buff dd ? |
||
799 | w_count dd ? |
||
800 | offset dd ? |
||
801 | tmp_w_cnt dd ? |
||
802 | endl |
||
164 | serge | 803 | |
1074 | Galkov | 804 | mov [slot], eax |
1329 | Lrz | 805 | mov [buff], ecx |
1074 | Galkov | 806 | and [w_count], 0 |
1329 | Lrz | 807 | mov [tmp_w_cnt], edx |
808 | mov [offset], esi |
||
164 | serge | 809 | |
1074 | Galkov | 810 | pushad |
164 | serge | 811 | .read_mem: |
1074 | Galkov | 812 | mov edx, [offset] |
813 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 814 | |
1074 | Galkov | 815 | mov ecx, 0x400000 |
816 | and edx, 0x3FFFFF |
||
817 | sub ecx, edx |
||
818 | cmp ecx, ebx |
||
819 | jbe @f |
||
820 | mov ecx, ebx |
||
164 | serge | 821 | @@: |
1074 | Galkov | 822 | cmp ecx, 0x8000 |
823 | jna @F |
||
824 | mov ecx, 0x8000 |
||
164 | serge | 825 | @@: |
1074 | Galkov | 826 | mov ebx, [offset] |
465 | serge | 827 | ; add ebx, new_app_base |
1074 | Galkov | 828 | push ecx |
829 | stdcall map_memEx, [proc_mem_map],\ |
||
1314 | diamond | 830 | [slot], ebx, ecx, PG_SW |
1074 | Galkov | 831 | pop ecx |
164 | serge | 832 | |
1074 | Galkov | 833 | mov edi, [offset] |
834 | and edi, 0xfff |
||
1314 | diamond | 835 | sub eax, edi |
836 | jbe .ret |
||
837 | cmp ecx, eax |
||
838 | jbe @f |
||
839 | mov ecx, eax |
||
840 | mov [tmp_w_cnt], eax |
||
841 | @@: |
||
1074 | Galkov | 842 | add edi, [proc_mem_map] |
843 | mov esi, [buff] |
||
844 | mov edx, ecx |
||
845 | rep movsb |
||
164 | serge | 846 | |
1074 | Galkov | 847 | add [w_count], edx |
848 | add [offset], edx |
||
849 | sub [tmp_w_cnt], edx |
||
850 | jnz .read_mem |
||
1314 | diamond | 851 | .ret: |
1074 | Galkov | 852 | popad |
853 | mov eax, [w_count] |
||
854 | ret |
||
164 | serge | 855 | endp |
856 | |||
857 | align 4 |
||
858 | proc new_sys_threads |
||
1074 | Galkov | 859 | locals |
860 | slot dd ? |
||
861 | app_cmdline dd ? ;0x00 |
||
862 | app_path dd ? ;0x04 |
||
863 | app_eip dd ? ;0x08 |
||
864 | app_esp dd ? ;0x0C |
||
865 | app_mem dd ? ;0x10 |
||
866 | endl |
||
164 | serge | 867 | |
1369 | Lrz | 868 | cmp ebx,1 |
1074 | Galkov | 869 | jne .failed ;other subfunctions |
164 | serge | 870 | |
1074 | Galkov | 871 | xor eax,eax |
1369 | Lrz | 872 | mov [app_eip], ecx |
1074 | Galkov | 873 | mov [app_cmdline], eax |
1369 | Lrz | 874 | mov [app_esp], edx |
1074 | Galkov | 875 | mov [app_path], eax |
876 | ;mov esi,new_process_loading |
||
877 | ;call sys_msg_board_str |
||
164 | serge | 878 | .wait_lock: |
1074 | Galkov | 879 | cmp [application_table_status],0 |
880 | je .get_lock |
||
881 | call change_task |
||
882 | jmp .wait_lock |
||
164 | serge | 883 | |
884 | .get_lock: |
||
1074 | Galkov | 885 | mov eax, 1 |
886 | xchg eax, [application_table_status] |
||
1322 | Lrz | 887 | test eax, eax |
888 | jnz .wait_lock |
||
164 | serge | 889 | |
1074 | Galkov | 890 | call set_application_table_status |
164 | serge | 891 | |
1074 | Galkov | 892 | call get_new_process_place |
893 | test eax, eax |
||
894 | jz .failed |
||
164 | serge | 895 | |
1074 | Galkov | 896 | mov [slot], eax |
164 | serge | 897 | |
1074 | Galkov | 898 | mov esi,[current_slot] |
899 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 900 | |
1074 | Galkov | 901 | mov edi, eax |
902 | shl edi,8 |
||
903 | add edi,SLOT_BASE |
||
904 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
||
905 | mov ecx,256/4 |
||
906 | xor eax, eax |
||
907 | cld |
||
908 | rep stosd ;clean extended information about new thread |
||
909 | mov esi,ebx |
||
910 | mov edi,edx |
||
911 | mov ecx,11 |
||
912 | rep movsb ;copy process name |
||
164 | serge | 913 | |
1074 | Galkov | 914 | mov eax,[ebx+APPDATA.heap_base] |
915 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 916 | |
1074 | Galkov | 917 | mov ecx,[ebx+APPDATA.heap_top] |
918 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 919 | |
1074 | Galkov | 920 | mov eax,[ebx+APPDATA.mem_size] |
921 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 922 | |
1074 | Galkov | 923 | mov ecx,[ebx+APPDATA.dir_table] |
1220 | serge | 924 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
237 | serge | 925 | |
1311 | diamond | 926 | mov eax,[ebx+APPDATA.dlls_list_ptr] |
927 | mov [edx+APPDATA.dlls_list_ptr],eax |
||
928 | |||
1220 | serge | 929 | mov eax, [ebx+APPDATA.tls_base] |
930 | test eax, eax |
||
931 | jz @F |
||
932 | |||
933 | push edx |
||
934 | stdcall user_alloc, 4096 |
||
935 | pop edx |
||
936 | test eax, eax |
||
1322 | Lrz | 937 | jz .failed1 ;eax=0 |
1220 | serge | 938 | @@: |
939 | mov [edx+APPDATA.tls_base], eax |
||
940 | |||
1074 | Galkov | 941 | lea eax, [app_cmdline] |
942 | stdcall set_app_params ,[slot],eax,dword 0,\ |
||
943 | dword 0,dword 0 |
||
237 | serge | 944 | |
1074 | Galkov | 945 | ;mov esi,new_process_running |
1322 | Lrz | 946 | ;call sys_msg_board_str ;output information about succefull startup |
947 | xor eax,eax |
||
948 | mov [application_table_status],eax ;unlock application_table_status mutex |
||
949 | mov eax,[process_number] ;set result |
||
1074 | Galkov | 950 | ret |
164 | serge | 951 | .failed: |
1322 | Lrz | 952 | xor eax,eax |
953 | .failed1: |
||
954 | mov [application_table_status],eax |
||
955 | dec eax ;-1 |
||
1074 | Galkov | 956 | ret |
164 | serge | 957 | endp |
958 | |||
276 | serge | 959 | ; param |
960 | ; ebx=mutex |
||
961 | |||
164 | serge | 962 | align 4 |
276 | serge | 963 | wait_mutex: |
1072 | diamond | 964 | ;;Maxis use atomic bts for mutex 4.4.2009 |
1074 | Galkov | 965 | push eax |
966 | push ebx |
||
321 | diamond | 967 | .do_wait: |
1072 | diamond | 968 | bts dword [ebx],0 |
969 | jnc .locked |
||
1074 | Galkov | 970 | call change_task |
971 | jmp .do_wait |
||
1072 | diamond | 972 | .locked: |
1074 | Galkov | 973 | pop ebx |
974 | pop eax |
||
975 | ret |
||
164 | serge | 976 | |
1220 | serge | 977 | align 4 |
978 | tls_app_entry: |
||
979 | |||
980 | call init_heap |
||
981 | stdcall user_alloc, 4096 |
||
982 | |||
983 | mov edx, [current_slot] |
||
984 | mov [edx+APPDATA.tls_base], eax |
||
985 | mov [tls_data_l+2],ax |
||
986 | shr eax,16 |
||
987 | mov [tls_data_l+4],al |
||
988 | mov [tls_data_l+7],ah |
||
989 | mov dx, app_tls |
||
990 | mov fs, dx |
||
991 | popad |
||
992 | iretd |
||
993 | |||
994 | |||
1074 | Galkov | 995 | EFL_IF equ 0x0200 |
465 | serge | 996 | EFL_IOPL1 equ 0x1000 |
997 | EFL_IOPL2 equ 0x2000 |
||
998 | EFL_IOPL3 equ 0x3000 |
||
999 | |||
1000 | |||
237 | serge | 1001 | align 4 |
1002 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 1003 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 1004 | |
1074 | Galkov | 1005 | locals |
1006 | pl0_stack dd ? |
||
1007 | endl |
||
237 | serge | 1008 | |
1074 | Galkov | 1009 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
1010 | mov [pl0_stack], eax |
||
357 | serge | 1011 | |
1074 | Galkov | 1012 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 1013 | |
1074 | Galkov | 1014 | mov eax, [slot] |
1015 | mov ebx, eax |
||
357 | serge | 1016 | |
1074 | Galkov | 1017 | shl eax, 8 |
1018 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1019 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1020 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
357 | serge | 1021 | |
465 | serge | 1022 | ;set default io permission map |
1310 | diamond | 1023 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1024 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1025 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1026 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1027 | |
1074 | Galkov | 1028 | mov esi, fpu_data |
1029 | mov ecx, 512/4 |
||
1030 | rep movsd |
||
237 | serge | 1031 | |
1074 | Galkov | 1032 | cmp ebx,[TASK_COUNT] |
1033 | jle .noinc |
||
1034 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1035 | .noinc: |
1074 | Galkov | 1036 | shl ebx,8 |
1037 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1038 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
||
1039 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
||
354 | serge | 1040 | |
1074 | Galkov | 1041 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1042 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
||
1043 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
||
237 | serge | 1044 | |
1074 | Galkov | 1045 | mov ecx, [def_cursor] |
1046 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
||
1047 | mov eax, [pl0_stack] |
||
1048 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
||
1049 | add eax, RING0_STACK_SIZE |
||
1050 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1051 | |
1074 | Galkov | 1052 | push ebx |
1053 | stdcall kernel_alloc, 0x1000 |
||
1054 | pop ebx |
||
1055 | mov esi,[current_slot] |
||
1056 | mov esi,[esi+APPDATA.cur_dir] |
||
1057 | mov ecx,0x1000/4 |
||
1058 | mov edi,eax |
||
1059 | mov [ebx+SLOT_BASE+APPDATA.cur_dir],eax |
||
1060 | rep movsd |
||
521 | diamond | 1061 | |
1074 | Galkov | 1062 | shr ebx,3 |
1063 | mov eax, new_app_base |
||
1064 | mov dword [CURRENT_TASK+ebx+0x10],eax |
||
237 | serge | 1065 | |
1066 | .add_command_line: |
||
1074 | Galkov | 1067 | mov edx,[params] |
1068 | mov edx,[edx] ;app_cmdline |
||
1069 | test edx,edx |
||
1070 | jz @f ;application doesn't need parameters |
||
281 | serge | 1071 | |
1074 | Galkov | 1072 | mov eax, edx |
1073 | add eax, 256 |
||
1074 | jc @f |
||
281 | serge | 1075 | |
1074 | Galkov | 1076 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1077 | ja @f |
||
281 | serge | 1078 | |
1074 | Galkov | 1079 | mov byte [edx], 0 ;force empty string if no cmdline given |
1080 | mov eax, [cmd_line] |
||
1081 | test eax, eax |
||
1082 | jz @f |
||
1083 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1084 | @@: |
1074 | Galkov | 1085 | mov edx,[params] |
1086 | mov edx, [edx+4] ;app_path |
||
1087 | test edx,edx |
||
1088 | jz @F ;application don't need path of file |
||
1089 | mov eax, edx |
||
1090 | add eax, 1024 |
||
1091 | jc @f |
||
1092 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1093 | ja @f |
||
1094 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1095 | @@: |
1074 | Galkov | 1096 | mov ebx,[slot] |
1097 | mov eax,ebx |
||
1098 | shl ebx,5 |
||
1099 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
||
465 | serge | 1100 | |
1220 | serge | 1101 | mov edx, irq0.return |
1102 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1103 | jne @F |
||
1104 | mov edx, tls_app_entry |
||
1105 | @@: |
||
237 | serge | 1106 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1074 | Galkov | 1107 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1108 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1109 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
||
1110 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
||
237 | serge | 1111 | |
1074 | Galkov | 1112 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
237 | serge | 1113 | |
1074 | Galkov | 1114 | inc dword [process_number] |
1115 | mov eax,[process_number] |
||
1116 | mov [ebx+4],eax ;set PID |
||
237 | serge | 1117 | |
1118 | ;set draw data to full screen |
||
1322 | Lrz | 1119 | xor eax,eax |
1120 | mov [ecx+0],dword eax |
||
1121 | mov [ecx+4],dword eax |
||
1074 | Galkov | 1122 | mov eax,[Screen_Max_X] |
1123 | mov [ecx+8],eax |
||
1124 | mov eax,[Screen_Max_Y] |
||
1125 | mov [ecx+12],eax |
||
237 | serge | 1126 | |
1074 | Galkov | 1127 | mov ebx, [pl0_stack] |
1128 | mov esi,[params] |
||
1129 | lea ecx, [ebx+REG_EIP] |
||
1130 | xor eax, eax |
||
237 | serge | 1131 | |
1220 | serge | 1132 | mov [ebx+REG_RET], edx |
1074 | Galkov | 1133 | mov [ebx+REG_EDI], eax |
1134 | mov [ebx+REG_ESI], eax |
||
1135 | mov [ebx+REG_EBP], eax |
||
1136 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
||
1137 | mov [ebx+REG_EBX], eax |
||
1138 | mov [ebx+REG_EDX], eax |
||
1139 | mov [ebx+REG_ECX], eax |
||
1140 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1141 | |
1074 | Galkov | 1142 | mov eax, [esi+0x08] ;app_eip |
1143 | mov [ebx+REG_EIP], eax ;app_entry |
||
1144 | mov [ebx+REG_CS], dword app_code |
||
1145 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
||
465 | serge | 1146 | |
1074 | Galkov | 1147 | mov eax, [esi+0x0C] ;app_esp |
1148 | mov [ebx+REG_APP_ESP], eax ;app_stack |
||
1149 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1150 | |
1074 | Galkov | 1151 | lea ecx, [ebx+REG_RET] |
1152 | mov ebx, [slot] |
||
1153 | shl ebx, 5 |
||
1154 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1155 | |
1074 | Galkov | 1156 | xor ecx, ecx ; process state - running |
237 | serge | 1157 | ; set if debuggee |
1074 | Galkov | 1158 | test byte [flags], 1 |
1159 | jz .no_debug |
||
1160 | inc ecx ; process state - suspended |
||
1161 | mov eax,[CURRENT_TASK] |
||
1162 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot],eax |
||
237 | serge | 1163 | .no_debug: |
1074 | Galkov | 1164 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1165 | ;mov esi,new_process_running |
||
1166 | ;call sys_msg_board_str ;output information about succefull startup |
||
1167 | ret |
||
237 | serge | 1168 | endp |
1169 | |||
2010 | serge | 1170 | |
1171 | align 4 |
||
1172 | |||
1173 | get_stack_base: |
||
1174 | mov eax,[current_slot] |
||
1175 | mov eax,[eax+APPDATA.pl0_stack] |
||
1176 | ret |
||
1177 | |||
1178 | |||
164 | serge | 1179 | include "debug.inc"256 |