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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: 2130 $ |
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 | |
2130 | serge | 363 | mov ecx, pg_data.mutex |
364 | call mutex_lock |
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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 | |
2130 | serge | 390 | if GREEDY_KERNEL |
1074 | Galkov | 391 | lea eax, [ecx+ebx+2] ;only image size |
2130 | serge | 392 | else |
1074 | Galkov | 393 | lea eax, [eax+ebx+2] ;all requested memory |
2130 | 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 | |
2130 | serge | 483 | mov ecx, pg_data.mutex |
484 | call mutex_unlock |
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1074 | Galkov | 485 | mov eax, [dir_addr] |
486 | ret |
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164 | serge | 487 | .fail: |
2130 | serge | 488 | mov ecx, pg_data.mutex |
489 | call mutex_unlock |
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1074 | Galkov | 490 | cmp [dir_addr], 0 |
491 | je @f |
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1311 | diamond | 492 | stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 493 | @@: |
1074 | Galkov | 494 | xor eax, eax |
495 | ret |
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164 | serge | 496 | endp |
497 | |||
498 | align 4 |
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499 | set_cr3: |
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465 | serge | 500 | |
1074 | Galkov | 501 | mov ebx, [current_slot] |
502 | mov [ebx+APPDATA.dir_table], eax |
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503 | mov cr3, eax |
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504 | ret |
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164 | serge | 505 | |
506 | align 4 |
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507 | proc destroy_page_table stdcall, pg_tab:dword |
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508 | |||
1074 | Galkov | 509 | push esi |
164 | serge | 510 | |
1074 | Galkov | 511 | mov esi, [pg_tab] |
512 | mov ecx, 1024 |
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164 | serge | 513 | .free: |
1074 | Galkov | 514 | mov eax, [esi] |
515 | test eax, 1 |
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516 | jz .next |
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819 | serge | 517 | test eax, 1 shl 9 |
518 | jnz .next ;skip shared pages |
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1074 | Galkov | 519 | call free_page |
164 | serge | 520 | .next: |
1074 | Galkov | 521 | add esi, 4 |
522 | dec ecx |
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523 | jnz .free |
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524 | pop esi |
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525 | ret |
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164 | serge | 526 | endp |
527 | |||
528 | align 4 |
||
1311 | diamond | 529 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 530 | |
1074 | Galkov | 531 | xor edx,edx |
1311 | diamond | 532 | push edx |
1074 | Galkov | 533 | mov eax,0x2 |
534 | mov ebx, [pg_dir] |
||
164 | serge | 535 | .loop: |
536 | ;eax = current slot of process |
||
1074 | Galkov | 537 | mov ecx,eax |
538 | shl ecx,5 |
||
539 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
||
540 | jz @f ;skip empty slots |
||
541 | shl ecx,3 |
||
1311 | diamond | 542 | add ecx,SLOT_BASE |
543 | cmp [ecx+APPDATA.dir_table],ebx ;compare page directory addresses |
||
1074 | Galkov | 544 | jnz @f |
1311 | diamond | 545 | mov [ebp-4],ecx |
1074 | Galkov | 546 | inc edx ;thread found |
164 | serge | 547 | @@: |
1074 | Galkov | 548 | inc eax |
549 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
||
550 | jle .loop |
||
164 | serge | 551 | |
552 | ;edx = number of threads |
||
553 | ;our process is zombi so it isn't counted |
||
1311 | diamond | 554 | pop ecx |
1074 | Galkov | 555 | cmp edx,1 |
1311 | diamond | 556 | jg .ret |
164 | serge | 557 | ;if there isn't threads then clear memory. |
1311 | diamond | 558 | mov esi, [dlls_list] |
2130 | serge | 559 | call destroy_all_hdlls ;ecx=APPDATA |
164 | serge | 560 | |
2130 | serge | 561 | mov ecx, pg_data.mutex |
562 | call mutex_lock |
||
1311 | diamond | 563 | |
1074 | Galkov | 564 | mov eax, [pg_dir] |
565 | and eax, not 0xFFF |
||
1311 | diamond | 566 | stdcall map_page,[tmp_task_pdir],eax,PG_SW |
1074 | Galkov | 567 | mov esi, [tmp_task_pdir] |
568 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 569 | .destroy: |
1074 | Galkov | 570 | mov eax, [esi] |
571 | test eax, 1 |
||
572 | jz .next |
||
573 | and eax, not 0xFFF |
||
1311 | diamond | 574 | stdcall map_page,[tmp_task_ptab],eax,PG_SW |
1074 | Galkov | 575 | stdcall destroy_page_table, [tmp_task_ptab] |
576 | mov eax, [esi] |
||
577 | call free_page |
||
164 | serge | 578 | .next: |
1074 | Galkov | 579 | add esi, 4 |
580 | dec edi |
||
581 | jnz .destroy |
||
164 | serge | 582 | |
1074 | Galkov | 583 | mov eax, [pg_dir] |
584 | call free_page |
||
164 | serge | 585 | .exit: |
1311 | diamond | 586 | stdcall map_page,[tmp_task_ptab],0,PG_UNMAP |
587 | stdcall map_page,[tmp_task_pdir],0,PG_UNMAP |
||
2130 | serge | 588 | mov ecx, pg_data.mutex |
589 | call mutex_unlock |
||
1311 | diamond | 590 | .ret: |
1074 | Galkov | 591 | ret |
164 | serge | 592 | endp |
593 | |||
520 | serge | 594 | align 4 |
595 | get_pid: |
||
1074 | Galkov | 596 | mov eax, [TASK_BASE] |
1220 | serge | 597 | mov eax, [eax+TASKDATA.pid] |
1074 | Galkov | 598 | ret |
520 | serge | 599 | |
164 | serge | 600 | pid_to_slot: |
601 | ;Input: |
||
602 | ; eax - pid of process |
||
603 | ;Output: |
||
604 | ; eax - slot of process or 0 if process don't exists |
||
605 | ;Search process by PID. |
||
606 | push ebx |
||
607 | push ecx |
||
608 | mov ebx,[TASK_COUNT] |
||
609 | shl ebx,5 |
||
610 | mov ecx,2*32 |
||
611 | |||
612 | .loop: |
||
613 | ;ecx=offset of current process info entry |
||
614 | ;ebx=maximum permitted offset |
||
615 | cmp byte [CURRENT_TASK+ecx+0xa],9 |
||
1074 | Galkov | 616 | jz .endloop ;skip empty slots |
164 | serge | 617 | cmp [CURRENT_TASK+ecx+0x4],eax ;check PID |
1074 | Galkov | 618 | jz .pid_found |
164 | serge | 619 | .endloop: |
620 | add ecx,32 |
||
621 | cmp ecx,ebx |
||
622 | jle .loop |
||
623 | |||
624 | pop ecx |
||
625 | pop ebx |
||
626 | xor eax,eax |
||
627 | ret |
||
628 | |||
629 | .pid_found: |
||
630 | shr ecx,5 |
||
1074 | Galkov | 631 | mov eax,ecx ;convert offset to index of slot |
164 | serge | 632 | pop ecx |
633 | pop ebx |
||
634 | ret |
||
635 | |||
636 | check_region: |
||
637 | ;input: |
||
1329 | Lrz | 638 | ; esi - start of buffer |
639 | ; edx - size of buffer |
||
164 | serge | 640 | ;result: |
641 | ; eax = 1 region lays in app memory |
||
642 | ; eax = 0 region don't lays in app memory |
||
643 | mov eax,[CURRENT_TASK] |
||
1329 | Lrz | 644 | ; jmp check_process_region |
164 | serge | 645 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 646 | ;check_process_region: |
164 | serge | 647 | ;input: |
648 | ; eax - slot |
||
1329 | Lrz | 649 | ; esi - start of buffer |
650 | ; edx - size of buffer |
||
164 | serge | 651 | ;result: |
652 | ; eax = 1 region lays in app memory |
||
653 | ; eax = 0 region don't lays in app memory |
||
654 | |||
1329 | Lrz | 655 | test edx,edx |
164 | serge | 656 | jle .ok |
657 | shl eax,5 |
||
658 | cmp word [CURRENT_TASK+eax+0xa],0 |
||
659 | jnz .failed |
||
660 | shl eax,3 |
||
380 | serge | 661 | mov eax,[SLOT_BASE+eax+0xb8] |
164 | serge | 662 | test eax,eax |
663 | jz .failed |
||
664 | |||
665 | mov eax,1 |
||
666 | ret |
||
667 | |||
668 | |||
669 | ; call MEM_Get_Linear_Address |
||
670 | ; push ebx |
||
671 | ; push ecx |
||
672 | ; push edx |
||
673 | ; mov edx,ebx |
||
674 | ; and edx,not (4096-1) |
||
675 | ; sub ebx,edx |
||
676 | ; add ecx,ebx |
||
677 | ; mov ebx,edx |
||
678 | ; add ecx,(4096-1) |
||
679 | ; and ecx,not (4096-1) |
||
680 | ;.loop: |
||
681 | ;;eax - linear address of page directory |
||
682 | ;;ebx - current page |
||
683 | ;;ecx - current size |
||
684 | ; mov edx,ebx |
||
685 | ; shr edx,22 |
||
686 | ; mov edx,[eax+4*edx] |
||
687 | ; and edx,not (4096-1) |
||
688 | ; test edx,edx |
||
689 | ; jz .failed1 |
||
690 | ; push eax |
||
691 | ; mov eax,edx |
||
692 | ; call MEM_Get_Linear_Address |
||
693 | ; mov edx,ebx |
||
694 | ; shr edx,12 |
||
695 | ; and edx,(1024-1) |
||
696 | ; mov eax,[eax+4*edx] |
||
697 | ; and eax,not (4096-1) |
||
698 | ; test eax,eax |
||
699 | ; pop eax |
||
700 | ; jz .failed1 |
||
701 | ; add ebx,4096 |
||
702 | ; sub ecx,4096 |
||
703 | ; jg .loop |
||
704 | ; pop edx |
||
705 | ; pop ecx |
||
706 | ; pop ebx |
||
707 | .ok: |
||
708 | mov eax,1 |
||
709 | ret |
||
710 | ; |
||
711 | ;.failed1: |
||
712 | ; pop edx |
||
713 | ; pop ecx |
||
714 | ; pop ebx |
||
715 | .failed: |
||
716 | xor eax,eax |
||
717 | ret |
||
718 | |||
719 | align 4 |
||
720 | proc read_process_memory |
||
721 | ;Input: |
||
722 | ; eax - process slot |
||
1329 | Lrz | 723 | ; ecx - buffer address |
724 | ; edx - buffer size |
||
725 | ; esi - start address in other process |
||
164 | serge | 726 | ;Output: |
727 | ; eax - number of bytes read. |
||
1074 | Galkov | 728 | locals |
729 | slot dd ? |
||
730 | buff dd ? |
||
731 | r_count dd ? |
||
732 | offset dd ? |
||
733 | tmp_r_cnt dd ? |
||
734 | endl |
||
164 | serge | 735 | |
1074 | Galkov | 736 | mov [slot], eax |
1329 | Lrz | 737 | mov [buff], ecx |
1074 | Galkov | 738 | and [r_count], 0 |
1329 | Lrz | 739 | mov [tmp_r_cnt], edx |
740 | mov [offset], esi |
||
164 | serge | 741 | |
1074 | Galkov | 742 | pushad |
164 | serge | 743 | .read_mem: |
1074 | Galkov | 744 | mov edx, [offset] |
745 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 746 | |
1074 | Galkov | 747 | mov ecx, 0x400000 |
748 | and edx, 0x3FFFFF |
||
749 | sub ecx, edx |
||
750 | cmp ecx, ebx |
||
751 | jbe @f |
||
752 | mov ecx, ebx |
||
164 | serge | 753 | @@: |
1074 | Galkov | 754 | cmp ecx, 0x8000 |
755 | jna @F |
||
756 | mov ecx, 0x8000 |
||
164 | serge | 757 | @@: |
1074 | Galkov | 758 | mov ebx, [offset] |
1220 | serge | 759 | |
1074 | Galkov | 760 | push ecx |
761 | stdcall map_memEx, [proc_mem_map],\ |
||
1314 | diamond | 762 | [slot], ebx, ecx, PG_MAP |
1074 | Galkov | 763 | pop ecx |
164 | serge | 764 | |
1074 | Galkov | 765 | mov esi, [offset] |
766 | and esi, 0xfff |
||
1314 | diamond | 767 | sub eax, esi |
768 | jbe .ret |
||
769 | cmp ecx, eax |
||
770 | jbe @f |
||
771 | mov ecx, eax |
||
772 | mov [tmp_r_cnt], eax |
||
773 | @@: |
||
1074 | Galkov | 774 | add esi, [proc_mem_map] |
775 | mov edi, [buff] |
||
776 | mov edx, ecx |
||
777 | rep movsb |
||
778 | add [r_count], edx |
||
164 | serge | 779 | |
1074 | Galkov | 780 | add [offset], edx |
781 | sub [tmp_r_cnt], edx |
||
782 | jnz .read_mem |
||
1314 | diamond | 783 | .ret: |
1074 | Galkov | 784 | popad |
785 | mov eax, [r_count] |
||
786 | ret |
||
164 | serge | 787 | endp |
788 | |||
789 | align 4 |
||
790 | proc write_process_memory |
||
791 | ;Input: |
||
792 | ; eax - process slot |
||
1329 | Lrz | 793 | ; ecx - buffer address |
794 | ; edx - buffer size |
||
795 | ; esi - start address in other process |
||
164 | serge | 796 | ;Output: |
797 | ; eax - number of bytes written |
||
798 | |||
1074 | Galkov | 799 | locals |
800 | slot dd ? |
||
801 | buff dd ? |
||
802 | w_count dd ? |
||
803 | offset dd ? |
||
804 | tmp_w_cnt dd ? |
||
805 | endl |
||
164 | serge | 806 | |
1074 | Galkov | 807 | mov [slot], eax |
1329 | Lrz | 808 | mov [buff], ecx |
1074 | Galkov | 809 | and [w_count], 0 |
1329 | Lrz | 810 | mov [tmp_w_cnt], edx |
811 | mov [offset], esi |
||
164 | serge | 812 | |
1074 | Galkov | 813 | pushad |
164 | serge | 814 | .read_mem: |
1074 | Galkov | 815 | mov edx, [offset] |
816 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 817 | |
1074 | Galkov | 818 | mov ecx, 0x400000 |
819 | and edx, 0x3FFFFF |
||
820 | sub ecx, edx |
||
821 | cmp ecx, ebx |
||
822 | jbe @f |
||
823 | mov ecx, ebx |
||
164 | serge | 824 | @@: |
1074 | Galkov | 825 | cmp ecx, 0x8000 |
826 | jna @F |
||
827 | mov ecx, 0x8000 |
||
164 | serge | 828 | @@: |
1074 | Galkov | 829 | mov ebx, [offset] |
465 | serge | 830 | ; add ebx, new_app_base |
1074 | Galkov | 831 | push ecx |
832 | stdcall map_memEx, [proc_mem_map],\ |
||
1314 | diamond | 833 | [slot], ebx, ecx, PG_SW |
1074 | Galkov | 834 | pop ecx |
164 | serge | 835 | |
1074 | Galkov | 836 | mov edi, [offset] |
837 | and edi, 0xfff |
||
1314 | diamond | 838 | sub eax, edi |
839 | jbe .ret |
||
840 | cmp ecx, eax |
||
841 | jbe @f |
||
842 | mov ecx, eax |
||
843 | mov [tmp_w_cnt], eax |
||
844 | @@: |
||
1074 | Galkov | 845 | add edi, [proc_mem_map] |
846 | mov esi, [buff] |
||
847 | mov edx, ecx |
||
848 | rep movsb |
||
164 | serge | 849 | |
1074 | Galkov | 850 | add [w_count], edx |
851 | add [offset], edx |
||
852 | sub [tmp_w_cnt], edx |
||
853 | jnz .read_mem |
||
1314 | diamond | 854 | .ret: |
1074 | Galkov | 855 | popad |
856 | mov eax, [w_count] |
||
857 | ret |
||
164 | serge | 858 | endp |
859 | |||
860 | align 4 |
||
861 | proc new_sys_threads |
||
1074 | Galkov | 862 | locals |
863 | slot dd ? |
||
864 | app_cmdline dd ? ;0x00 |
||
865 | app_path dd ? ;0x04 |
||
866 | app_eip dd ? ;0x08 |
||
867 | app_esp dd ? ;0x0C |
||
868 | app_mem dd ? ;0x10 |
||
869 | endl |
||
164 | serge | 870 | |
1369 | Lrz | 871 | cmp ebx,1 |
1074 | Galkov | 872 | jne .failed ;other subfunctions |
164 | serge | 873 | |
1074 | Galkov | 874 | xor eax,eax |
1369 | Lrz | 875 | mov [app_eip], ecx |
1074 | Galkov | 876 | mov [app_cmdline], eax |
1369 | Lrz | 877 | mov [app_esp], edx |
1074 | Galkov | 878 | mov [app_path], eax |
879 | ;mov esi,new_process_loading |
||
880 | ;call sys_msg_board_str |
||
164 | serge | 881 | .wait_lock: |
1074 | Galkov | 882 | cmp [application_table_status],0 |
883 | je .get_lock |
||
884 | call change_task |
||
885 | jmp .wait_lock |
||
164 | serge | 886 | |
887 | .get_lock: |
||
1074 | Galkov | 888 | mov eax, 1 |
889 | xchg eax, [application_table_status] |
||
1322 | Lrz | 890 | test eax, eax |
891 | jnz .wait_lock |
||
164 | serge | 892 | |
1074 | Galkov | 893 | call set_application_table_status |
164 | serge | 894 | |
1074 | Galkov | 895 | call get_new_process_place |
896 | test eax, eax |
||
897 | jz .failed |
||
164 | serge | 898 | |
1074 | Galkov | 899 | mov [slot], eax |
164 | serge | 900 | |
1074 | Galkov | 901 | mov esi,[current_slot] |
902 | mov ebx,esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 903 | |
1074 | Galkov | 904 | mov edi, eax |
905 | shl edi,8 |
||
906 | add edi,SLOT_BASE |
||
907 | mov edx,edi ;edx=edi - pointer to extended infomation about new thread |
||
908 | mov ecx,256/4 |
||
909 | xor eax, eax |
||
910 | cld |
||
911 | rep stosd ;clean extended information about new thread |
||
912 | mov esi,ebx |
||
913 | mov edi,edx |
||
914 | mov ecx,11 |
||
915 | rep movsb ;copy process name |
||
164 | serge | 916 | |
1074 | Galkov | 917 | mov eax,[ebx+APPDATA.heap_base] |
918 | mov [edx+APPDATA.heap_base], eax |
||
164 | serge | 919 | |
1074 | Galkov | 920 | mov ecx,[ebx+APPDATA.heap_top] |
921 | mov [edx+APPDATA.heap_top], ecx |
||
237 | serge | 922 | |
1074 | Galkov | 923 | mov eax,[ebx+APPDATA.mem_size] |
924 | mov [edx+APPDATA.mem_size], eax |
||
237 | serge | 925 | |
1074 | Galkov | 926 | mov ecx,[ebx+APPDATA.dir_table] |
1220 | serge | 927 | mov [edx+APPDATA.dir_table],ecx ;copy page directory |
237 | serge | 928 | |
1311 | diamond | 929 | mov eax,[ebx+APPDATA.dlls_list_ptr] |
930 | mov [edx+APPDATA.dlls_list_ptr],eax |
||
931 | |||
1220 | serge | 932 | mov eax, [ebx+APPDATA.tls_base] |
933 | test eax, eax |
||
934 | jz @F |
||
935 | |||
936 | push edx |
||
937 | stdcall user_alloc, 4096 |
||
938 | pop edx |
||
939 | test eax, eax |
||
1322 | Lrz | 940 | jz .failed1 ;eax=0 |
1220 | serge | 941 | @@: |
942 | mov [edx+APPDATA.tls_base], eax |
||
943 | |||
1074 | Galkov | 944 | lea eax, [app_cmdline] |
945 | stdcall set_app_params ,[slot],eax,dword 0,\ |
||
946 | dword 0,dword 0 |
||
237 | serge | 947 | |
1074 | Galkov | 948 | ;mov esi,new_process_running |
1322 | Lrz | 949 | ;call sys_msg_board_str ;output information about succefull startup |
950 | xor eax,eax |
||
951 | mov [application_table_status],eax ;unlock application_table_status mutex |
||
952 | mov eax,[process_number] ;set result |
||
1074 | Galkov | 953 | ret |
164 | serge | 954 | .failed: |
1322 | Lrz | 955 | xor eax,eax |
956 | .failed1: |
||
957 | mov [application_table_status],eax |
||
958 | dec eax ;-1 |
||
1074 | Galkov | 959 | ret |
164 | serge | 960 | endp |
961 | |||
962 | align 4 |
||
1220 | serge | 963 | tls_app_entry: |
964 | |||
965 | call init_heap |
||
966 | stdcall user_alloc, 4096 |
||
967 | |||
968 | mov edx, [current_slot] |
||
969 | mov [edx+APPDATA.tls_base], eax |
||
970 | mov [tls_data_l+2],ax |
||
971 | shr eax,16 |
||
972 | mov [tls_data_l+4],al |
||
973 | mov [tls_data_l+7],ah |
||
974 | mov dx, app_tls |
||
975 | mov fs, dx |
||
976 | popad |
||
977 | iretd |
||
978 | |||
979 | |||
1074 | Galkov | 980 | EFL_IF equ 0x0200 |
465 | serge | 981 | EFL_IOPL1 equ 0x1000 |
982 | EFL_IOPL2 equ 0x2000 |
||
983 | EFL_IOPL3 equ 0x3000 |
||
984 | |||
985 | |||
237 | serge | 986 | align 4 |
987 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 988 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 989 | |
1074 | Galkov | 990 | locals |
991 | pl0_stack dd ? |
||
992 | endl |
||
237 | serge | 993 | |
1074 | Galkov | 994 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
995 | mov [pl0_stack], eax |
||
357 | serge | 996 | |
1074 | Galkov | 997 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 998 | |
1074 | Galkov | 999 | mov eax, [slot] |
1000 | mov ebx, eax |
||
357 | serge | 1001 | |
1074 | Galkov | 1002 | shl eax, 8 |
1003 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1004 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1005 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
357 | serge | 1006 | |
465 | serge | 1007 | ;set default io permission map |
1310 | diamond | 1008 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1009 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1010 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1011 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1012 | |
1074 | Galkov | 1013 | mov esi, fpu_data |
1014 | mov ecx, 512/4 |
||
1015 | rep movsd |
||
237 | serge | 1016 | |
1074 | Galkov | 1017 | cmp ebx,[TASK_COUNT] |
1018 | jle .noinc |
||
1019 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1020 | .noinc: |
1074 | Galkov | 1021 | shl ebx,8 |
1022 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1023 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
||
1024 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
||
354 | serge | 1025 | |
1074 | Galkov | 1026 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1027 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
||
1028 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
||
237 | serge | 1029 | |
1074 | Galkov | 1030 | mov ecx, [def_cursor] |
1031 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
||
1032 | mov eax, [pl0_stack] |
||
1033 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
||
1034 | add eax, RING0_STACK_SIZE |
||
1035 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1036 | |
1074 | Galkov | 1037 | push ebx |
1038 | stdcall kernel_alloc, 0x1000 |
||
1039 | pop ebx |
||
1040 | mov esi,[current_slot] |
||
1041 | mov esi,[esi+APPDATA.cur_dir] |
||
1042 | mov ecx,0x1000/4 |
||
1043 | mov edi,eax |
||
1044 | mov [ebx+SLOT_BASE+APPDATA.cur_dir],eax |
||
1045 | rep movsd |
||
521 | diamond | 1046 | |
1074 | Galkov | 1047 | shr ebx,3 |
1048 | mov eax, new_app_base |
||
1049 | mov dword [CURRENT_TASK+ebx+0x10],eax |
||
237 | serge | 1050 | |
1051 | .add_command_line: |
||
1074 | Galkov | 1052 | mov edx,[params] |
1053 | mov edx,[edx] ;app_cmdline |
||
1054 | test edx,edx |
||
1055 | jz @f ;application doesn't need parameters |
||
281 | serge | 1056 | |
1074 | Galkov | 1057 | mov eax, edx |
1058 | add eax, 256 |
||
1059 | jc @f |
||
281 | serge | 1060 | |
1074 | Galkov | 1061 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1062 | ja @f |
||
281 | serge | 1063 | |
1074 | Galkov | 1064 | mov byte [edx], 0 ;force empty string if no cmdline given |
1065 | mov eax, [cmd_line] |
||
1066 | test eax, eax |
||
1067 | jz @f |
||
1068 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1069 | @@: |
1074 | Galkov | 1070 | mov edx,[params] |
1071 | mov edx, [edx+4] ;app_path |
||
1072 | test edx,edx |
||
1073 | jz @F ;application don't need path of file |
||
1074 | mov eax, edx |
||
1075 | add eax, 1024 |
||
1076 | jc @f |
||
1077 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1078 | ja @f |
||
1079 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1080 | @@: |
1074 | Galkov | 1081 | mov ebx,[slot] |
1082 | mov eax,ebx |
||
1083 | shl ebx,5 |
||
1084 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
||
465 | serge | 1085 | |
1220 | serge | 1086 | mov edx, irq0.return |
1087 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1088 | jne @F |
||
1089 | mov edx, tls_app_entry |
||
1090 | @@: |
||
237 | serge | 1091 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1074 | Galkov | 1092 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1093 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1094 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
||
1095 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
||
237 | serge | 1096 | |
1074 | Galkov | 1097 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
237 | serge | 1098 | |
1074 | Galkov | 1099 | inc dword [process_number] |
1100 | mov eax,[process_number] |
||
1101 | mov [ebx+4],eax ;set PID |
||
237 | serge | 1102 | |
1103 | ;set draw data to full screen |
||
1322 | Lrz | 1104 | xor eax,eax |
1105 | mov [ecx+0],dword eax |
||
1106 | mov [ecx+4],dword eax |
||
1074 | Galkov | 1107 | mov eax,[Screen_Max_X] |
1108 | mov [ecx+8],eax |
||
1109 | mov eax,[Screen_Max_Y] |
||
1110 | mov [ecx+12],eax |
||
237 | serge | 1111 | |
1074 | Galkov | 1112 | mov ebx, [pl0_stack] |
1113 | mov esi,[params] |
||
1114 | lea ecx, [ebx+REG_EIP] |
||
1115 | xor eax, eax |
||
237 | serge | 1116 | |
1220 | serge | 1117 | mov [ebx+REG_RET], edx |
1074 | Galkov | 1118 | mov [ebx+REG_EDI], eax |
1119 | mov [ebx+REG_ESI], eax |
||
1120 | mov [ebx+REG_EBP], eax |
||
1121 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
||
1122 | mov [ebx+REG_EBX], eax |
||
1123 | mov [ebx+REG_EDX], eax |
||
1124 | mov [ebx+REG_ECX], eax |
||
1125 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1126 | |
1074 | Galkov | 1127 | mov eax, [esi+0x08] ;app_eip |
1128 | mov [ebx+REG_EIP], eax ;app_entry |
||
1129 | mov [ebx+REG_CS], dword app_code |
||
1130 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
||
465 | serge | 1131 | |
1074 | Galkov | 1132 | mov eax, [esi+0x0C] ;app_esp |
1133 | mov [ebx+REG_APP_ESP], eax ;app_stack |
||
1134 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1135 | |
1074 | Galkov | 1136 | lea ecx, [ebx+REG_RET] |
1137 | mov ebx, [slot] |
||
1138 | shl ebx, 5 |
||
1139 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1140 | |
1074 | Galkov | 1141 | xor ecx, ecx ; process state - running |
237 | serge | 1142 | ; set if debuggee |
1074 | Galkov | 1143 | test byte [flags], 1 |
1144 | jz .no_debug |
||
1145 | inc ecx ; process state - suspended |
||
1146 | mov eax,[CURRENT_TASK] |
||
1147 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot],eax |
||
237 | serge | 1148 | .no_debug: |
1074 | Galkov | 1149 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1150 | ;mov esi,new_process_running |
||
1151 | ;call sys_msg_board_str ;output information about succefull startup |
||
1152 | ret |
||
237 | serge | 1153 | endp |
1154 | |||
2010 | serge | 1155 | |
1156 | align 4 |
||
1157 | |||
1158 | get_stack_base: |
||
1159 | mov eax,[current_slot] |
||
1160 | mov eax,[eax+APPDATA.pl0_stack] |
||
1161 | ret |
||
1162 | |||
1163 | |||
164 | serge | 1164 | include "debug.inc"256 |