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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: 2157 $ |
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 |
1948 | clevermous | 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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2157 | serge | 130 | mov esi, -ERROR_FILE_NOT_FOUND |
1074 | Galkov | 131 | test eax, eax |
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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2157 | serge | 139 | mov esi, -0x1F |
1074 | Galkov | 140 | test eax, eax |
141 | jz .err_hdr |
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237 | serge | 142 | |
143 | .wait_lock: |
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1074 | Galkov | 144 | cmp [application_table_status],0 |
145 | je .get_lock |
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146 | call change_task |
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147 | jmp .wait_lock |
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237 | serge | 148 | |
149 | .get_lock: |
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1074 | Galkov | 150 | mov eax, 1 |
151 | xchg eax, [application_table_status] |
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1260 | Lrz | 152 | test eax, eax |
153 | jnz .wait_lock |
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237 | serge | 154 | |
1074 | Galkov | 155 | call set_application_table_status |
237 | serge | 156 | |
1074 | Galkov | 157 | call get_new_process_place |
158 | test eax, eax |
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2157 | serge | 159 | mov esi, -0x20 ; too many processes |
1074 | Galkov | 160 | jz .err |
237 | serge | 161 | |
1074 | Galkov | 162 | mov [slot], eax |
163 | shl eax, 8 |
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164 | add eax, SLOT_BASE |
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165 | mov [slot_base], eax |
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166 | mov edi, eax |
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167 | _clear_ 256 ;clean extended information about process |
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237 | serge | 168 | |
169 | ; write application name |
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1074 | Galkov | 170 | lea eax, [filename] |
171 | stdcall strrchr, eax, '/' ; now eax points to name without path |
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237 | serge | 172 | |
1074 | Galkov | 173 | lea esi, [eax+1] |
174 | test eax, eax |
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175 | jnz @F |
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176 | lea esi, [filename] |
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237 | serge | 177 | @@: |
1074 | Galkov | 178 | mov ecx, 8 ; 8 chars for name |
179 | mov edi, [slot_base] |
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237 | serge | 180 | .copy_process_name_loop: |
1074 | Galkov | 181 | lodsb |
182 | cmp al, '.' |
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183 | jz .copy_process_name_done |
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184 | test al, al |
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185 | jz .copy_process_name_done |
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186 | stosb |
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187 | loop .copy_process_name_loop |
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237 | serge | 188 | .copy_process_name_done: |
189 | |||
1074 | Galkov | 190 | mov ebx, cr3 |
191 | mov [save_cr3], ebx |
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269 | serge | 192 | |
1074 | Galkov | 193 | stdcall create_app_space,[hdr_mem],[file_base],[file_size] |
2157 | serge | 194 | mov esi, -30 ; no memory |
1074 | Galkov | 195 | test eax, eax |
196 | jz .failed |
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237 | serge | 197 | |
1074 | Galkov | 198 | mov ebx,[slot_base] |
199 | mov [ebx+APPDATA.dir_table],eax |
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200 | mov eax,[hdr_mem] |
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201 | mov [ebx+APPDATA.mem_size],eax |
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237 | serge | 202 | |
1220 | serge | 203 | xor edx, edx |
204 | cmp word [6], '02' |
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205 | jne @f |
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206 | |||
207 | not edx |
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208 | @@: |
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209 | mov [ebx+APPDATA.tls_base],edx |
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210 | |||
357 | serge | 211 | if GREEDY_KERNEL |
212 | else |
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1074 | Galkov | 213 | mov ecx, [hdr_mem] |
214 | mov edi, [file_size] |
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215 | add edi, 4095 |
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216 | and edi, not 4095 |
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217 | sub ecx, edi |
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218 | jna @F |
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269 | serge | 219 | |
1074 | Galkov | 220 | xor eax, eax |
1220 | serge | 221 | cld |
1074 | Galkov | 222 | rep stosb |
247 | serge | 223 | @@: |
269 | serge | 224 | end if |
225 | |||
226 | ; release only virtual space, not phisical memory |
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227 | |||
1074 | Galkov | 228 | stdcall free_kernel_space, [file_base] |
229 | lea eax, [hdr_cmdline] |
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230 | lea ebx, [cmdline] |
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231 | lea ecx, [filename] |
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232 | stdcall set_app_params ,[slot],eax,ebx,ecx,[flags] |
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237 | serge | 233 | |
1074 | Galkov | 234 | mov eax, [save_cr3] |
235 | call set_cr3 |
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237 | serge | 236 | |
1074 | Galkov | 237 | xor ebx, ebx |
238 | mov [application_table_status],ebx ;unlock application_table_status mutex |
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239 | mov eax,[process_number] ;set result |
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240 | ret |
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237 | serge | 241 | .failed: |
1074 | Galkov | 242 | mov eax, [save_cr3] |
243 | call set_cr3 |
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269 | serge | 244 | .err: |
247 | serge | 245 | .err_hdr: |
1074 | Galkov | 246 | stdcall kernel_free,[file_base] |
247 | serge | 247 | .err_file: |
1074 | Galkov | 248 | xor eax, eax |
249 | mov [application_table_status],eax |
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2157 | serge | 250 | mov eax, esi |
1074 | Galkov | 251 | ret |
237 | serge | 252 | endp |
164 | serge | 253 | |
237 | serge | 254 | align 4 |
255 | test_app_header: |
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1074 | Galkov | 256 | virtual at eax |
257 | APP_HEADER_00 APP_HEADER_00 |
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258 | end virtual |
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259 | virtual at eax |
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260 | APP_HEADER_01 APP_HEADER_01 |
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261 | end virtual |
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164 | serge | 262 | |
1074 | Galkov | 263 | cmp dword [eax], 'MENU' |
264 | jne .fail |
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265 | cmp word [eax+4],'ET' |
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266 | jne .fail |
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164 | serge | 267 | |
1074 | Galkov | 268 | cmp [eax+6], word '00' |
269 | jne .check_01_header |
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164 | serge | 270 | |
1074 | Galkov | 271 | mov ecx,[APP_HEADER_00.start] |
1220 | serge | 272 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 273 | mov edx,[APP_HEADER_00.mem_size] |
1220 | serge | 274 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 275 | shr edx,1 |
276 | sub edx,0x10 |
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1220 | serge | 277 | mov [ebx+0x0C], edx ;app_esp |
1074 | Galkov | 278 | mov ecx,[APP_HEADER_00.i_param] |
1220 | serge | 279 | mov [ebx], ecx ;app_cmdline |
280 | mov [ebx+4], dword 0 ;app_path |
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1074 | Galkov | 281 | mov edx, [APP_HEADER_00.i_end] |
282 | mov [ebx+0x14], edx |
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283 | ret |
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164 | serge | 284 | |
237 | serge | 285 | .check_01_header: |
164 | serge | 286 | |
1220 | serge | 287 | cmp [eax+6], word '01' |
288 | je @f |
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289 | cmp [eax+6], word '02' |
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290 | jne .fail |
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291 | @@: |
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1074 | Galkov | 292 | mov ecx,[APP_HEADER_01.start] |
1220 | serge | 293 | mov [ebx+0x08], ecx ;app_eip |
1074 | Galkov | 294 | mov edx,[APP_HEADER_01.mem_size] |
381 | serge | 295 | |
296 | ; \begin{diamond}[20.08.2006] |
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297 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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298 | ; fit in allocated memory to prevent kernel faults) |
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1074 | Galkov | 299 | cmp edx,[APP_HEADER_01.i_end] |
300 | jb .fail |
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381 | serge | 301 | ; \end{diamond}[20.08.2006] |
302 | |||
1220 | serge | 303 | mov [ebx+0x10], edx ;app_mem |
1074 | Galkov | 304 | mov ecx,[APP_HEADER_01.stack_top] |
1220 | serge | 305 | mov [ebx+0x0C], ecx ;app_esp |
1074 | Galkov | 306 | mov edx,[APP_HEADER_01.i_param] |
1220 | serge | 307 | mov [ebx], edx ;app_cmdline |
1074 | Galkov | 308 | mov ecx,[APP_HEADER_01.i_icon] |
1220 | serge | 309 | mov [ebx+4], ecx ;app_path |
1074 | Galkov | 310 | mov edx, [APP_HEADER_01.i_end] |
311 | mov [ebx+0x14], edx |
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312 | ret |
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237 | serge | 313 | .fail: |
1074 | Galkov | 314 | xor eax, eax |
315 | ret |
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164 | serge | 316 | |
317 | align 4 |
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318 | proc get_new_process_place |
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319 | ;input: |
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320 | ; none |
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321 | ;result: |
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322 | ; eax=[new_process_place]<>0 - ok |
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323 | ; 0 - failed. |
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324 | ;This function find least empty slot. |
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325 | ;It doesn't increase [TASK_COUNT]! |
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1074 | Galkov | 326 | mov eax,CURRENT_TASK |
327 | mov ebx,[TASK_COUNT] |
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328 | inc ebx |
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329 | shl ebx,5 |
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330 | add ebx,eax ;ebx - address of process information for (last+1) slot |
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164 | serge | 331 | .newprocessplace: |
332 | ;eax = address of process information for current slot |
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1074 | Galkov | 333 | cmp eax,ebx |
334 | jz .endnewprocessplace ;empty slot after high boundary |
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335 | add eax,0x20 |
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336 | cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty |
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337 | jnz .newprocessplace |
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164 | serge | 338 | .endnewprocessplace: |
1074 | Galkov | 339 | mov ebx,eax |
340 | sub eax,CURRENT_TASK |
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341 | shr eax,5 ;calculate slot index |
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342 | cmp eax,256 |
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343 | jge .failed ;it should be <256 |
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344 | mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary) |
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345 | ret |
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164 | serge | 346 | .failed: |
1074 | Galkov | 347 | xor eax,eax |
348 | ret |
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164 | serge | 349 | endp |
350 | |||
351 | align 4 |
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269 | serge | 352 | proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword |
1074 | Galkov | 353 | locals |
354 | app_pages dd ? |
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355 | img_pages dd ? |
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356 | dir_addr dd ? |
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357 | app_tabs dd ? |
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358 | endl |
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164 | serge | 359 | |
2129 | serge | 360 | mov ecx, pg_data.mutex |
361 | call mutex_lock |
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164 | serge | 362 | |
1074 | Galkov | 363 | xor eax, eax |
364 | mov [dir_addr], eax |
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164 | serge | 365 | |
1074 | Galkov | 366 | mov eax, [app_size] |
367 | add eax, 4095 |
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368 | and eax, NOT(4095) |
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369 | mov [app_size], eax |
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370 | mov ebx, eax |
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371 | shr eax, 12 |
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372 | mov [app_pages], eax |
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170 | serge | 373 | |
1074 | Galkov | 374 | add ebx, 0x3FFFFF |
375 | and ebx, NOT(0x3FFFFF) |
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376 | shr ebx, 22 |
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377 | mov [app_tabs], ebx |
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164 | serge | 378 | |
1074 | Galkov | 379 | mov ecx, [img_size] |
380 | add ecx, 4095 |
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381 | and ecx, NOT(4095) |
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164 | serge | 382 | |
1074 | Galkov | 383 | mov [img_size], ecx |
384 | shr ecx, 12 |
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385 | mov [img_pages], ecx |
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164 | serge | 386 | |
2129 | serge | 387 | if GREEDY_KERNEL |
1074 | Galkov | 388 | lea eax, [ecx+ebx+2] ;only image size |
2129 | serge | 389 | else |
1074 | Galkov | 390 | lea eax, [eax+ebx+2] ;all requested memory |
2129 | serge | 391 | end if |
1074 | Galkov | 392 | cmp eax, [pg_data.pages_free] |
393 | ja .fail |
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170 | serge | 394 | |
1074 | Galkov | 395 | call alloc_page |
396 | test eax, eax |
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397 | jz .fail |
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398 | mov [dir_addr], eax |
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399 | stdcall map_page,[tmp_task_pdir],eax,dword PG_SW |
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164 | serge | 400 | |
1074 | Galkov | 401 | mov edi, [tmp_task_pdir] |
402 | mov ecx, (OS_BASE shr 20)/4 |
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403 | xor eax, eax |
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404 | cld |
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405 | rep stosd |
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465 | serge | 406 | |
1074 | Galkov | 407 | mov ecx, (OS_BASE shr 20)/4 |
408 | mov esi, sys_pgdir+(OS_BASE shr 20) |
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409 | rep movsd |
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164 | serge | 410 | |
1074 | Galkov | 411 | mov eax, [dir_addr] |
412 | or eax, PG_SW |
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413 | mov [edi-4096+(page_tabs shr 20)], eax |
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378 | serge | 414 | |
1074 | Galkov | 415 | and eax, -4096 |
416 | call set_cr3 |
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164 | serge | 417 | |
1074 | Galkov | 418 | mov edx, [app_tabs] |
419 | mov edi, new_app_base |
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164 | serge | 420 | @@: |
1074 | Galkov | 421 | call alloc_page |
422 | test eax, eax |
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423 | jz .fail |
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164 | serge | 424 | |
1074 | Galkov | 425 | stdcall map_page_table, edi, eax |
426 | add edi, 0x00400000 |
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427 | dec edx |
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428 | jnz @B |
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164 | serge | 429 | |
1074 | Galkov | 430 | mov edi, new_app_base |
431 | shr edi, 10 |
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432 | add edi, page_tabs |
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269 | serge | 433 | |
1074 | Galkov | 434 | mov ecx, [app_tabs] |
435 | shl ecx, 10 |
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436 | xor eax, eax |
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437 | rep stosd |
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164 | serge | 438 | |
1074 | Galkov | 439 | mov ecx, [img_pages] |
440 | mov ebx, PG_UW |
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441 | mov edx, new_app_base |
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442 | mov esi, [img_base] |
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443 | mov edi, new_app_base |
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444 | shr esi, 10 |
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445 | shr edi, 10 |
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446 | add esi, page_tabs |
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447 | add edi, page_tabs |
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269 | serge | 448 | .remap: |
1074 | Galkov | 449 | lodsd |
450 | or eax, ebx ; force user level r/w access |
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451 | stosd |
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452 | add edx, 0x1000 |
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453 | dec [app_pages] |
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454 | dec ecx |
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455 | jnz .remap |
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269 | serge | 456 | |
1074 | Galkov | 457 | mov ecx, [app_pages] |
458 | test ecx, ecx |
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459 | jz .done |
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269 | serge | 460 | |
461 | if GREEDY_KERNEL |
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1074 | Galkov | 462 | mov eax, 0x02 |
1220 | serge | 463 | rep stosd |
269 | serge | 464 | else |
465 | |||
164 | serge | 466 | .alloc: |
1074 | Galkov | 467 | call alloc_page |
468 | test eax, eax |
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469 | jz .fail |
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164 | serge | 470 | |
1074 | Galkov | 471 | stdcall map_page,edx,eax,dword PG_UW |
472 | add edx, 0x1000 |
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473 | dec [app_pages] |
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474 | jnz .alloc |
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269 | serge | 475 | end if |
164 | serge | 476 | |
269 | serge | 477 | .done: |
1074 | Galkov | 478 | stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP |
164 | serge | 479 | |
2129 | serge | 480 | mov ecx, pg_data.mutex |
481 | call mutex_unlock |
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1074 | Galkov | 482 | mov eax, [dir_addr] |
483 | ret |
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164 | serge | 484 | .fail: |
2129 | serge | 485 | mov ecx, pg_data.mutex |
486 | call mutex_unlock |
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1074 | Galkov | 487 | cmp [dir_addr], 0 |
488 | je @f |
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1311 | diamond | 489 | stdcall destroy_app_space, [dir_addr], 0 |
164 | serge | 490 | @@: |
1074 | Galkov | 491 | xor eax, eax |
492 | ret |
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164 | serge | 493 | endp |
494 | |||
495 | align 4 |
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496 | set_cr3: |
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465 | serge | 497 | |
1074 | Galkov | 498 | mov ebx, [current_slot] |
499 | mov [ebx+APPDATA.dir_table], eax |
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500 | mov cr3, eax |
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501 | ret |
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164 | serge | 502 | |
503 | align 4 |
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504 | proc destroy_page_table stdcall, pg_tab:dword |
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505 | |||
1074 | Galkov | 506 | push esi |
164 | serge | 507 | |
1074 | Galkov | 508 | mov esi, [pg_tab] |
509 | mov ecx, 1024 |
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164 | serge | 510 | .free: |
1074 | Galkov | 511 | mov eax, [esi] |
512 | test eax, 1 |
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513 | jz .next |
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819 | serge | 514 | test eax, 1 shl 9 |
515 | jnz .next ;skip shared pages |
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1074 | Galkov | 516 | call free_page |
164 | serge | 517 | .next: |
1074 | Galkov | 518 | add esi, 4 |
519 | dec ecx |
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520 | jnz .free |
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521 | pop esi |
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522 | ret |
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164 | serge | 523 | endp |
524 | |||
525 | align 4 |
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1311 | diamond | 526 | proc destroy_app_space stdcall, pg_dir:dword, dlls_list:dword |
164 | serge | 527 | |
1074 | Galkov | 528 | xor edx,edx |
1311 | diamond | 529 | push edx |
1074 | Galkov | 530 | mov eax,0x2 |
531 | mov ebx, [pg_dir] |
||
164 | serge | 532 | .loop: |
533 | ;eax = current slot of process |
||
1074 | Galkov | 534 | mov ecx,eax |
535 | shl ecx,5 |
||
536 | cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running? |
||
537 | jz @f ;skip empty slots |
||
538 | shl ecx,3 |
||
1311 | diamond | 539 | add ecx,SLOT_BASE |
540 | cmp [ecx+APPDATA.dir_table],ebx ;compare page directory addresses |
||
1074 | Galkov | 541 | jnz @f |
1311 | diamond | 542 | mov [ebp-4],ecx |
1074 | Galkov | 543 | inc edx ;thread found |
164 | serge | 544 | @@: |
1074 | Galkov | 545 | inc eax |
546 | cmp eax,[TASK_COUNT] ;exit loop if we look through all processes |
||
547 | jle .loop |
||
164 | serge | 548 | |
549 | ;edx = number of threads |
||
550 | ;our process is zombi so it isn't counted |
||
1311 | diamond | 551 | pop ecx |
1074 | Galkov | 552 | cmp edx,1 |
1311 | diamond | 553 | jg .ret |
164 | serge | 554 | ;if there isn't threads then clear memory. |
1311 | diamond | 555 | mov esi, [dlls_list] |
2129 | serge | 556 | call destroy_all_hdlls ;ecx=APPDATA |
164 | serge | 557 | |
2129 | serge | 558 | mov ecx, pg_data.mutex |
559 | call mutex_lock |
||
1311 | diamond | 560 | |
1074 | Galkov | 561 | mov eax, [pg_dir] |
562 | and eax, not 0xFFF |
||
1311 | diamond | 563 | stdcall map_page,[tmp_task_pdir],eax,PG_SW |
1074 | Galkov | 564 | mov esi, [tmp_task_pdir] |
565 | mov edi, (OS_BASE shr 20)/4 |
||
164 | serge | 566 | .destroy: |
1074 | Galkov | 567 | mov eax, [esi] |
568 | test eax, 1 |
||
569 | jz .next |
||
570 | and eax, not 0xFFF |
||
1311 | diamond | 571 | stdcall map_page,[tmp_task_ptab],eax,PG_SW |
1074 | Galkov | 572 | stdcall destroy_page_table, [tmp_task_ptab] |
573 | mov eax, [esi] |
||
574 | call free_page |
||
164 | serge | 575 | .next: |
1074 | Galkov | 576 | add esi, 4 |
577 | dec edi |
||
578 | jnz .destroy |
||
164 | serge | 579 | |
1074 | Galkov | 580 | mov eax, [pg_dir] |
581 | call free_page |
||
164 | serge | 582 | .exit: |
1311 | diamond | 583 | stdcall map_page,[tmp_task_ptab],0,PG_UNMAP |
584 | stdcall map_page,[tmp_task_pdir],0,PG_UNMAP |
||
2129 | serge | 585 | mov ecx, pg_data.mutex |
586 | call mutex_unlock |
||
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 | |||
959 | align 4 |
||
1220 | serge | 960 | tls_app_entry: |
961 | |||
962 | call init_heap |
||
963 | stdcall user_alloc, 4096 |
||
964 | |||
965 | mov edx, [current_slot] |
||
966 | mov [edx+APPDATA.tls_base], eax |
||
967 | mov [tls_data_l+2],ax |
||
968 | shr eax,16 |
||
969 | mov [tls_data_l+4],al |
||
970 | mov [tls_data_l+7],ah |
||
971 | mov dx, app_tls |
||
972 | mov fs, dx |
||
973 | popad |
||
974 | iretd |
||
975 | |||
976 | |||
1074 | Galkov | 977 | EFL_IF equ 0x0200 |
465 | serge | 978 | EFL_IOPL1 equ 0x1000 |
979 | EFL_IOPL2 equ 0x2000 |
||
980 | EFL_IOPL3 equ 0x3000 |
||
981 | |||
982 | |||
237 | serge | 983 | align 4 |
984 | proc set_app_params stdcall,slot:dword, params:dword,\ |
||
1074 | Galkov | 985 | cmd_line:dword, app_path:dword, flags:dword |
164 | serge | 986 | |
1074 | Galkov | 987 | locals |
988 | pl0_stack dd ? |
||
989 | endl |
||
237 | serge | 990 | |
1074 | Galkov | 991 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
992 | mov [pl0_stack], eax |
||
357 | serge | 993 | |
1074 | Galkov | 994 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 995 | |
1074 | Galkov | 996 | mov eax, [slot] |
997 | mov ebx, eax |
||
357 | serge | 998 | |
1074 | Galkov | 999 | shl eax, 8 |
1000 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
1001 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
1002 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
357 | serge | 1003 | |
465 | serge | 1004 | ;set default io permission map |
1310 | diamond | 1005 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
1006 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
1007 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
1008 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 1009 | |
1074 | Galkov | 1010 | mov esi, fpu_data |
1011 | mov ecx, 512/4 |
||
1012 | rep movsd |
||
237 | serge | 1013 | |
1074 | Galkov | 1014 | cmp ebx,[TASK_COUNT] |
1015 | jle .noinc |
||
1016 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 1017 | .noinc: |
1074 | Galkov | 1018 | shl ebx,8 |
1019 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
1020 | mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx |
||
1021 | mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx |
||
354 | serge | 1022 | |
1074 | Galkov | 1023 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
1024 | mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx |
||
1025 | mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx |
||
237 | serge | 1026 | |
1074 | Galkov | 1027 | mov ecx, [def_cursor] |
1028 | mov [SLOT_BASE+APPDATA.cursor+ebx],ecx |
||
1029 | mov eax, [pl0_stack] |
||
1030 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax |
||
1031 | add eax, RING0_STACK_SIZE |
||
1032 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 1033 | |
1074 | Galkov | 1034 | push ebx |
1035 | stdcall kernel_alloc, 0x1000 |
||
1036 | pop ebx |
||
1037 | mov esi,[current_slot] |
||
1038 | mov esi,[esi+APPDATA.cur_dir] |
||
1039 | mov ecx,0x1000/4 |
||
1040 | mov edi,eax |
||
1041 | mov [ebx+SLOT_BASE+APPDATA.cur_dir],eax |
||
1042 | rep movsd |
||
521 | diamond | 1043 | |
1074 | Galkov | 1044 | shr ebx,3 |
1045 | mov eax, new_app_base |
||
1046 | mov dword [CURRENT_TASK+ebx+0x10],eax |
||
237 | serge | 1047 | |
1048 | .add_command_line: |
||
1074 | Galkov | 1049 | mov edx,[params] |
1050 | mov edx,[edx] ;app_cmdline |
||
1051 | test edx,edx |
||
1052 | jz @f ;application doesn't need parameters |
||
281 | serge | 1053 | |
1074 | Galkov | 1054 | mov eax, edx |
1055 | add eax, 256 |
||
1056 | jc @f |
||
281 | serge | 1057 | |
1074 | Galkov | 1058 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
1059 | ja @f |
||
281 | serge | 1060 | |
1074 | Galkov | 1061 | mov byte [edx], 0 ;force empty string if no cmdline given |
1062 | mov eax, [cmd_line] |
||
1063 | test eax, eax |
||
1064 | jz @f |
||
1065 | stdcall strncpy, edx, eax, 256 |
||
237 | serge | 1066 | @@: |
1074 | Galkov | 1067 | mov edx,[params] |
1068 | mov edx, [edx+4] ;app_path |
||
1069 | test edx,edx |
||
1070 | jz @F ;application don't need path of file |
||
1071 | mov eax, edx |
||
1072 | add eax, 1024 |
||
1073 | jc @f |
||
1074 | cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
||
1075 | ja @f |
||
1076 | stdcall strncpy, edx, [app_path], 1024 |
||
237 | serge | 1077 | @@: |
1074 | Galkov | 1078 | mov ebx,[slot] |
1079 | mov eax,ebx |
||
1080 | shl ebx,5 |
||
1081 | lea ecx,[draw_data+ebx] ;ecx - pointer to draw data |
||
465 | serge | 1082 | |
1220 | serge | 1083 | mov edx, irq0.return |
1084 | cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
||
1085 | jne @F |
||
1086 | mov edx, tls_app_entry |
||
1087 | @@: |
||
237 | serge | 1088 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
1074 | Galkov | 1089 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
1090 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
1091 | add ebx,CURRENT_TASK ;ebx - pointer to information about process |
||
1092 | mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot |
||
237 | serge | 1093 | |
1074 | Galkov | 1094 | mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function) |
237 | serge | 1095 | |
1074 | Galkov | 1096 | inc dword [process_number] |
1097 | mov eax,[process_number] |
||
1098 | mov [ebx+4],eax ;set PID |
||
237 | serge | 1099 | |
1100 | ;set draw data to full screen |
||
1322 | Lrz | 1101 | xor eax,eax |
1102 | mov [ecx+0],dword eax |
||
1103 | mov [ecx+4],dword eax |
||
1074 | Galkov | 1104 | mov eax,[Screen_Max_X] |
1105 | mov [ecx+8],eax |
||
1106 | mov eax,[Screen_Max_Y] |
||
1107 | mov [ecx+12],eax |
||
237 | serge | 1108 | |
1074 | Galkov | 1109 | mov ebx, [pl0_stack] |
1110 | mov esi,[params] |
||
1111 | lea ecx, [ebx+REG_EIP] |
||
1112 | xor eax, eax |
||
237 | serge | 1113 | |
1220 | serge | 1114 | mov [ebx+REG_RET], edx |
1074 | Galkov | 1115 | mov [ebx+REG_EDI], eax |
1116 | mov [ebx+REG_ESI], eax |
||
1117 | mov [ebx+REG_EBP], eax |
||
1118 | mov [ebx+REG_ESP], ecx ;ebx+REG_EIP |
||
1119 | mov [ebx+REG_EBX], eax |
||
1120 | mov [ebx+REG_EDX], eax |
||
1121 | mov [ebx+REG_ECX], eax |
||
1122 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1123 | |
1074 | Galkov | 1124 | mov eax, [esi+0x08] ;app_eip |
1125 | mov [ebx+REG_EIP], eax ;app_entry |
||
1126 | mov [ebx+REG_CS], dword app_code |
||
1127 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
||
465 | serge | 1128 | |
1074 | Galkov | 1129 | mov eax, [esi+0x0C] ;app_esp |
1130 | mov [ebx+REG_APP_ESP], eax ;app_stack |
||
1131 | mov [ebx+REG_SS], dword app_data |
||
237 | serge | 1132 | |
1074 | Galkov | 1133 | lea ecx, [ebx+REG_RET] |
1134 | mov ebx, [slot] |
||
1135 | shl ebx, 5 |
||
1136 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], ecx |
||
237 | serge | 1137 | |
1074 | Galkov | 1138 | xor ecx, ecx ; process state - running |
237 | serge | 1139 | ; set if debuggee |
1074 | Galkov | 1140 | test byte [flags], 1 |
1141 | jz .no_debug |
||
1142 | inc ecx ; process state - suspended |
||
1143 | mov eax,[CURRENT_TASK] |
||
1144 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot],eax |
||
237 | serge | 1145 | .no_debug: |
1074 | Galkov | 1146 | mov [CURRENT_TASK+ebx+TASKDATA.state], cl |
1147 | ;mov esi,new_process_running |
||
1148 | ;call sys_msg_board_str ;output information about succefull startup |
||
1149 | ret |
||
237 | serge | 1150 | endp |
1151 | |||
1874 | serge | 1152 | |
1153 | align 4 |
||
1154 | |||
1155 | get_stack_base: |
||
1156 | mov eax,[current_slot] |
||
1157 | mov eax,[eax+APPDATA.pl0_stack] |
||
1158 | ret |
||
1159 | |||
1160 | |||
164 | serge | 1161 | include "debug.inc"256 |