Rev 521 | Rev 588 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
425 | victor | 1 | $Revision: 585 $ |
431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
||
4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
||
5 | ;; Distributed under terms of the GNU General Public License ;; |
||
6 | ;; ;; |
||
7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
8 | |||
521 | diamond | 9 | image_of_eax EQU esp+36 |
10 | image_of_ebx EQU esp+24 |
||
488 | spraid | 11 | |
72 | diamond | 12 | ; System function 70 - files with long names (LFN) |
71 | diamond | 13 | ; diamond, 2006 |
14 | |||
15 | iglobal |
||
16 | ; in this table names must be in lowercase |
||
17 | rootdirs: |
||
585 | mario79 | 18 | db 2,'rd' |
19 | dd fs_OnRamdisk |
||
20 | dd fs_NextRamdisk |
||
21 | db 7,'ramdisk' |
||
22 | dd fs_OnRamdisk |
||
23 | dd fs_NextRamdisk |
||
24 | db 2,'fd' |
||
25 | dd fs_OnFloppy |
||
26 | dd fs_NextFloppy |
||
27 | db 10,'floppydisk' |
||
28 | dd fs_OnFloppy |
||
29 | dd fs_NextFloppy |
||
30 | db 3,'hd0' |
||
31 | dd fs_OnHd0 |
||
32 | dd fs_NextHd0 |
||
33 | db 3,'hd1' |
||
34 | dd fs_OnHd1 |
||
35 | dd fs_NextHd1 |
||
36 | db 3,'hd2' |
||
37 | dd fs_OnHd2 |
||
38 | dd fs_NextHd2 |
||
39 | db 3,'hd3' |
||
40 | dd fs_OnHd3 |
||
41 | dd fs_NextHd3 |
||
87 | mario79 | 42 | ;********************************************** |
585 | mario79 | 43 | db 3,'cd0' |
44 | dd fs_OnCd0 |
||
45 | dd fs_NextCd |
||
46 | db 3,'cd1' |
||
47 | dd fs_OnCd1 |
||
48 | dd fs_NextCd |
||
49 | db 3,'cd2' |
||
50 | dd fs_OnCd2 |
||
51 | dd fs_NextCd |
||
52 | db 3,'cd3' |
||
53 | dd fs_OnCd3 |
||
54 | dd fs_NextCd |
||
237 | serge | 55 | ;*********************************************** |
585 | mario79 | 56 | db 0 |
75 | diamond | 57 | |
87 | mario79 | 58 | |
75 | diamond | 59 | virtual_root_query: |
585 | mario79 | 60 | dd fs_HasRamdisk |
61 | db 'rd',0 |
||
62 | dd fs_HasFloppy |
||
63 | db 'fd',0 |
||
64 | dd fs_HasHd0 |
||
65 | db 'hd0',0 |
||
66 | dd fs_HasHd1 |
||
67 | db 'hd1',0 |
||
68 | dd fs_HasHd2 |
||
69 | db 'hd2',0 |
||
70 | dd fs_HasHd3 |
||
71 | db 'hd3',0 |
||
87 | mario79 | 72 | ;********************************************** |
585 | mario79 | 73 | dd fs_HasCd0 |
74 | db 'cd0',0 |
||
75 | dd fs_HasCd1 |
||
76 | db 'cd1',0 |
||
77 | dd fs_HasCd2 |
||
78 | db 'cd2',0 |
||
79 | dd fs_HasCd3 |
||
80 | db 'cd3',0 |
||
87 | mario79 | 81 | ;********************************************** |
585 | mario79 | 82 | dd 0 |
71 | diamond | 83 | endg |
84 | |||
85 | file_system_lfn: |
||
86 | ; in: eax->fileinfo block |
||
87 | ; operation codes: |
||
72 | diamond | 88 | ; 0 : read file |
75 | diamond | 89 | ; 1 : read folder |
83 | diamond | 90 | ; 2 : create/rewrite file |
133 | diamond | 91 | ; 3 : write/append to file |
92 | ; 4 : set end of file |
||
86 | diamond | 93 | ; 5 : get file/directory attributes structure |
94 | ; 6 : set file/directory attributes structure |
||
91 | diamond | 95 | ; 7 : start application |
171 | diamond | 96 | ; 8 : delete file |
321 | diamond | 97 | ; 9 : create directory |
71 | diamond | 98 | |
99 | ; parse file name |
||
585 | mario79 | 100 | xchg ebx, eax |
101 | lea esi, [ebx+20] |
||
102 | lodsb |
||
103 | test al, al |
||
104 | jnz @f |
||
105 | mov esi, [esi] |
||
106 | lodsb |
||
84 | diamond | 107 | @@: |
585 | mario79 | 108 | cmp al, '/' |
109 | jz .notcurdir |
||
110 | dec esi |
||
111 | mov ebp, esi |
||
112 | test al, al |
||
113 | jnz @f |
||
114 | xor ebp, ebp |
||
521 | diamond | 115 | @@: |
585 | mario79 | 116 | mov esi, [current_slot] |
117 | mov esi, [esi+APPDATA.cur_dir] |
||
118 | jmp .parse_normal |
||
521 | diamond | 119 | .notcurdir: |
585 | mario79 | 120 | cmp byte [esi], 0 |
121 | jz .rootdir |
||
122 | call process_replace_file_name |
||
521 | diamond | 123 | .parse_normal: |
585 | mario79 | 124 | cmp dword [ebx], 7 |
125 | jne @F |
||
126 | mov edx, [ebx+4] |
||
127 | mov ebx, [ebx+8] |
||
128 | call fs_execute ; esi+ebp, ebx, edx |
||
129 | mov [image_of_eax], eax |
||
130 | ret |
||
237 | serge | 131 | @@: |
585 | mario79 | 132 | mov edi, rootdirs-8 |
133 | xor ecx, ecx |
||
134 | push esi |
||
71 | diamond | 135 | .scan1: |
585 | mario79 | 136 | pop esi |
137 | add edi, ecx |
||
138 | scasd |
||
139 | scasd |
||
140 | mov cl, byte [edi] |
||
141 | test cl, cl |
||
142 | jz .notfound |
||
143 | inc edi |
||
144 | push esi |
||
71 | diamond | 145 | @@: |
585 | mario79 | 146 | lodsb |
147 | or al, 20h |
||
148 | scasb |
||
149 | loopz @b |
||
150 | jnz .scan1 |
||
151 | lodsb |
||
152 | cmp al, '/' |
||
153 | jz .found1 |
||
154 | test al, al |
||
155 | jnz .scan1 |
||
156 | pop eax |
||
71 | diamond | 157 | ; directory /xxx |
158 | .maindir: |
||
585 | mario79 | 159 | cmp dword [ebx], 1 |
160 | jnz .access_denied |
||
161 | xor eax, eax |
||
162 | mov ebp, [ebx+12] |
||
163 | mov edx, [ebx+16] |
||
465 | serge | 164 | ; add edx, std_application_base_address |
585 | mario79 | 165 | push dword [ebx+4] ; first block |
166 | mov ebx, [ebx+8] ; flags |
||
167 | mov esi, [edi+4] |
||
78 | diamond | 168 | ; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler |
585 | mario79 | 169 | mov edi, edx |
170 | mov ecx, 32/4 |
||
171 | rep stosd |
||
172 | mov byte [edx], 1 ; version |
||
75 | diamond | 173 | .maindir_loop: |
585 | mario79 | 174 | call esi |
175 | jc .maindir_done |
||
176 | inc dword [edx+8] |
||
177 | dec dword [esp] |
||
178 | jns .maindir_loop |
||
179 | dec ebp |
||
180 | js .maindir_loop |
||
181 | inc dword [edx+4] |
||
182 | mov dword [edi], 0x10 ; attributes: folder |
||
183 | mov dword [edi+4], 1 ; name type: UNICODE |
||
184 | push eax |
||
185 | xor eax, eax |
||
186 | add edi, 8 |
||
187 | mov ecx, 40/4-2 |
||
188 | rep stosd |
||
189 | pop eax |
||
190 | push eax edx |
||
75 | diamond | 191 | ; convert number in eax to decimal UNICODE string |
585 | mario79 | 192 | push edi |
193 | push -'0' |
||
194 | mov cl, 10 |
||
75 | diamond | 195 | @@: |
585 | mario79 | 196 | xor edx, edx |
197 | div ecx |
||
198 | push edx |
||
199 | test eax, eax |
||
200 | jnz @b |
||
75 | diamond | 201 | @@: |
585 | mario79 | 202 | pop eax |
203 | add al, '0' |
||
204 | stosb |
||
205 | test bl, 1 ; UNICODE name? |
||
206 | jz .ansi2 |
||
207 | mov byte [edi], 0 |
||
208 | inc edi |
||
78 | diamond | 209 | .ansi2: |
585 | mario79 | 210 | test al, al |
211 | jnz @b |
||
212 | mov byte [edi-1], 0 |
||
213 | pop edi |
||
78 | diamond | 214 | ; UNICODE name length is 520 bytes, ANSI - 264 |
585 | mario79 | 215 | add edi, 520 |
216 | test bl, 1 |
||
217 | jnz @f |
||
218 | sub edi, 520-264 |
||
78 | diamond | 219 | @@: |
585 | mario79 | 220 | pop edx eax |
221 | jmp .maindir_loop |
||
75 | diamond | 222 | .maindir_done: |
585 | mario79 | 223 | pop eax |
224 | mov ebx, [edx+4] |
||
225 | xor eax, eax |
||
226 | dec ebp |
||
227 | js @f |
||
228 | mov al, ERROR_END_OF_FILE |
||
75 | diamond | 229 | @@: |
585 | mario79 | 230 | mov [image_of_eax], eax |
231 | mov [image_of_ebx], ebx |
||
232 | ret |
||
71 | diamond | 233 | ; directory / |
234 | .rootdir: |
||
585 | mario79 | 235 | cmp dword [ebx], 1 ; read folder? |
236 | jz .readroot |
||
75 | diamond | 237 | .access_denied: |
585 | mario79 | 238 | mov dword [image_of_eax], 10 ; access denied |
239 | ret |
||
71 | diamond | 240 | |
75 | diamond | 241 | .readroot: |
242 | ; virtual root folder - special handler |
||
585 | mario79 | 243 | mov esi, virtual_root_query |
244 | mov ebp, [ebx+12] |
||
245 | mov edx, [ebx+16] |
||
465 | serge | 246 | ; add edx, std_application_base_address |
585 | mario79 | 247 | push dword [ebx+4] ; first block |
248 | mov ebx, [ebx+8] ; flags |
||
249 | xor eax, eax |
||
78 | diamond | 250 | ; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area |
585 | mario79 | 251 | mov edi, edx |
252 | mov ecx, 32/4 |
||
253 | rep stosd |
||
254 | mov byte [edx], 1 ; version |
||
75 | diamond | 255 | .readroot_loop: |
585 | mario79 | 256 | cmp dword [esi], eax |
257 | jz .readroot_done |
||
258 | call dword [esi] |
||
259 | add esi, 4 |
||
260 | test eax, eax |
||
261 | jnz @f |
||
75 | diamond | 262 | .readroot_next: |
585 | mario79 | 263 | or ecx, -1 |
264 | xchg esi, edi |
||
265 | repnz scasb |
||
266 | xchg esi, edi |
||
267 | jmp .readroot_loop |
||
75 | diamond | 268 | @@: |
585 | mario79 | 269 | xor eax, eax |
270 | inc dword [edx+8] |
||
271 | dec dword [esp] |
||
272 | jns .readroot_next |
||
273 | dec ebp |
||
274 | js .readroot_next |
||
275 | inc dword [edx+4] |
||
276 | mov dword [edi], 0x10 ; attributes: folder |
||
277 | mov dword [edi+4], 1 ; name type: UNICODE |
||
278 | add edi, 8 |
||
279 | mov ecx, 40/4-2 |
||
280 | rep stosd |
||
281 | push edi |
||
75 | diamond | 282 | @@: |
585 | mario79 | 283 | lodsb |
284 | stosb |
||
285 | test bl, 1 |
||
286 | jz .ansi |
||
287 | mov byte [edi], 0 |
||
288 | inc edi |
||
78 | diamond | 289 | .ansi: |
585 | mario79 | 290 | test eax, eax |
291 | jnz @b |
||
292 | pop edi |
||
293 | add edi, 520 |
||
294 | test bl, 1 |
||
295 | jnz .readroot_loop |
||
296 | sub edi, 520-264 |
||
297 | jmp .readroot_loop |
||
75 | diamond | 298 | .readroot_done: |
585 | mario79 | 299 | pop eax |
300 | mov ebx, [edx+4] |
||
301 | xor eax, eax |
||
302 | dec ebp |
||
303 | js @f |
||
304 | mov al, ERROR_END_OF_FILE |
||
75 | diamond | 305 | @@: |
585 | mario79 | 306 | mov [image_of_eax], eax |
307 | mov [image_of_ebx], ebx |
||
308 | ret |
||
521 | diamond | 309 | .notfound: |
585 | mario79 | 310 | mov dword [image_of_eax], ERROR_FILE_NOT_FOUND |
311 | and dword [image_of_ebx], 0 |
||
312 | ret |
||
75 | diamond | 313 | |
71 | diamond | 314 | .found1: |
585 | mario79 | 315 | pop eax |
316 | cmp byte [esi], 0 |
||
317 | jz .maindir |
||
71 | diamond | 318 | ; read partition number |
585 | mario79 | 319 | xor ecx, ecx |
320 | xor eax, eax |
||
71 | diamond | 321 | @@: |
585 | mario79 | 322 | lodsb |
323 | cmp al, '/' |
||
324 | jz .done1 |
||
325 | test al, al |
||
326 | jz .done1 |
||
327 | sub al, '0' |
||
328 | cmp al, 9 |
||
329 | ja .notfound |
||
330 | lea ecx, [ecx*5] |
||
331 | lea ecx, [ecx*2+eax] |
||
332 | jmp @b |
||
71 | diamond | 333 | .done1: |
585 | mario79 | 334 | jecxz .notfound |
335 | test al, al |
||
336 | jnz @f |
||
337 | dec esi |
||
71 | diamond | 338 | @@: |
585 | mario79 | 339 | cmp byte [esi], 0 |
340 | jnz @f |
||
341 | test ebp, ebp |
||
342 | jz @f |
||
343 | mov esi, ebp |
||
344 | xor ebp, ebp |
||
521 | diamond | 345 | @@: |
75 | diamond | 346 | ; now [edi] contains handler address, ecx - partition number, |
347 | ; esi points to ASCIIZ string - rest of name |
||
585 | mario79 | 348 | jmp dword [edi] |
71 | diamond | 349 | |
350 | ; handlers for devices |
||
75 | diamond | 351 | ; in: ecx = 0 => query virtual directory /xxx |
71 | diamond | 352 | ; in: ecx = partition number |
353 | ; esi -> relative (for device) name |
||
354 | ; ebx -> fileinfo |
||
521 | diamond | 355 | ; ebp = 0 or pointer to rest of name from folder addressed by esi |
488 | spraid | 356 | ; out: [image_of_eax]=image of eax, [image_of_ebx]=image of ebx |
71 | diamond | 357 | |
358 | fs_OnRamdisk: |
||
585 | mario79 | 359 | cmp ecx, 1 |
360 | jnz file_system_lfn.notfound |
||
361 | mov eax, [ebx] |
||
362 | cmp eax, fs_NumRamdiskServices |
||
363 | jae .not_impl |
||
364 | mov ecx, [ebx+12] |
||
365 | mov edx, [ebx+16] |
||
465 | serge | 366 | ; add edx, std_application_base_address |
585 | mario79 | 367 | add ebx, 4 |
368 | call dword [fs_RamdiskServices + eax*4] |
||
369 | mov [image_of_eax], eax |
||
370 | mov [image_of_ebx], ebx |
||
371 | ret |
||
71 | diamond | 372 | .not_impl: |
585 | mario79 | 373 | mov dword [image_of_eax], 2 ; not implemented |
374 | ret |
||
71 | diamond | 375 | |
86 | diamond | 376 | fs_NotImplemented: |
585 | mario79 | 377 | mov eax, 2 |
378 | ret |
||
86 | diamond | 379 | |
71 | diamond | 380 | fs_RamdiskServices: |
585 | mario79 | 381 | dd fs_RamdiskRead |
382 | dd fs_RamdiskReadFolder |
||
383 | dd fs_RamdiskRewrite |
||
384 | dd fs_RamdiskWrite |
||
385 | dd fs_RamdiskSetFileEnd |
||
386 | dd fs_RamdiskGetFileInfo |
||
387 | dd fs_RamdiskSetFileInfo |
||
388 | dd 0 |
||
389 | dd fs_RamdiskDelete |
||
390 | dd fs_RamdiskCreateFolder |
||
391 | dd fs_NotImplemented |
||
392 | dd fs_NotImplemented |
||
83 | diamond | 393 | fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4 |
71 | diamond | 394 | |
395 | fs_OnFloppy: |
||
585 | mario79 | 396 | cmp ecx, 2 |
397 | ja file_system_lfn.notfound |
||
398 | mov eax, [ebx] |
||
399 | cmp eax, fs_NumFloppyServices |
||
400 | jae fs_OnRamdisk.not_impl |
||
401 | call reserve_flp |
||
402 | mov [flp_number], cl |
||
403 | mov ecx, [ebx+12] |
||
404 | mov edx, [ebx+16] |
||
465 | serge | 405 | ; add edx, std_application_base_address |
585 | mario79 | 406 | add ebx, 4 |
407 | call dword [fs_FloppyServices + eax*4] |
||
408 | and [flp_status], 0 |
||
409 | mov [image_of_eax], eax |
||
410 | mov [image_of_ebx], ebx |
||
411 | ret |
||
71 | diamond | 412 | |
413 | fs_FloppyServices: |
||
585 | mario79 | 414 | dd fs_FloppyRead |
415 | dd fs_FloppyReadFolder |
||
416 | dd fs_FloppyRewrite |
||
417 | dd fs_FloppyWrite |
||
418 | dd fs_FloppySetFileEnd |
||
419 | dd fs_FloppyGetFileInfo |
||
420 | dd fs_FloppySetFileInfo |
||
421 | dd 0 |
||
422 | dd fs_FloppyDelete |
||
423 | dd fs_FloppyCreateFolder |
||
424 | dd fs_NotImplemented |
||
425 | dd fs_NotImplemented |
||
83 | diamond | 426 | fs_NumFloppyServices = ($ - fs_FloppyServices)/4 |
71 | diamond | 427 | |
428 | fs_OnHd0: |
||
585 | mario79 | 429 | call reserve_hd1 |
430 | mov [hdbase], 0x1F0 |
||
431 | mov [hdid], 0 |
||
432 | push 1 |
||
433 | jmp fs_OnHd |
||
71 | diamond | 434 | fs_OnHd1: |
585 | mario79 | 435 | call reserve_hd1 |
436 | mov [hdbase], 0x1F0 |
||
437 | mov [hdid], 0x10 |
||
438 | push 2 |
||
439 | jmp fs_OnHd |
||
71 | diamond | 440 | fs_OnHd2: |
585 | mario79 | 441 | call reserve_hd1 |
442 | mov [hdbase], 0x170 |
||
443 | mov [hdid], 0 |
||
444 | push 3 |
||
445 | jmp fs_OnHd |
||
71 | diamond | 446 | fs_OnHd3: |
585 | mario79 | 447 | call reserve_hd1 |
448 | mov [hdbase], 0x170 |
||
449 | mov [hdid], 0x10 |
||
450 | push 4 |
||
71 | diamond | 451 | fs_OnHd: |
585 | mario79 | 452 | call reserve_hd_channel |
453 | pop eax |
||
454 | mov [hdpos], eax |
||
455 | cmp ecx, 0x100 |
||
456 | jae .nf |
||
457 | cmp cl, [DRIVE_DATA+1+eax] |
||
458 | jbe @f |
||
75 | diamond | 459 | .nf: |
585 | mario79 | 460 | call free_hd_channel |
461 | and [hd1_status], 0 |
||
462 | mov dword [image_of_eax], 5 ; not found |
||
463 | ret |
||
71 | diamond | 464 | @@: |
585 | mario79 | 465 | mov [fat32part], ecx |
466 | push ebx esi |
||
467 | call choice_necessity_partition_1 |
||
468 | pop esi ebx |
||
469 | mov ecx, [ebx+12] |
||
470 | mov edx, [ebx+16] |
||
465 | serge | 471 | ; add edx, std_application_base_address |
585 | mario79 | 472 | mov eax, [ebx] |
473 | cmp eax, fs_NumHdServices |
||
474 | jae .not_impl |
||
475 | add ebx, 4 |
||
476 | call dword [fs_HdServices + eax*4] |
||
477 | call free_hd_channel |
||
478 | and [hd1_status], 0 |
||
479 | mov [image_of_eax], eax |
||
480 | mov [image_of_ebx], ebx |
||
481 | ret |
||
75 | diamond | 482 | .not_impl: |
585 | mario79 | 483 | call free_hd_channel |
484 | and [hd1_status], 0 |
||
485 | mov dword [image_of_eax], 2 ; not implemented |
||
486 | ret |
||
71 | diamond | 487 | |
488 | fs_HdServices: |
||
585 | mario79 | 489 | dd fs_HdRead |
490 | dd fs_HdReadFolder |
||
491 | dd fs_HdRewrite |
||
492 | dd fs_HdWrite |
||
493 | dd fs_HdSetFileEnd |
||
494 | dd fs_HdGetFileInfo |
||
495 | dd fs_HdSetFileInfo |
||
496 | dd 0 |
||
497 | dd fs_HdDelete |
||
498 | dd fs_HdCreateFolder |
||
499 | dd fs_NotImplemented |
||
500 | dd fs_NotImplemented |
||
83 | diamond | 501 | fs_NumHdServices = ($ - fs_HdServices)/4 |
75 | diamond | 502 | |
87 | mario79 | 503 | ;******************************************************* |
504 | fs_OnCd0: |
||
585 | mario79 | 505 | call reserve_cd |
506 | mov [ChannelNumber],1 |
||
507 | mov [DiskNumber],0 |
||
508 | push 6 |
||
509 | push 1 |
||
510 | jmp fs_OnCd |
||
87 | mario79 | 511 | fs_OnCd1: |
585 | mario79 | 512 | call reserve_cd |
513 | mov [ChannelNumber],1 |
||
514 | mov [DiskNumber],1 |
||
515 | push 4 |
||
516 | push 2 |
||
517 | jmp fs_OnCd |
||
87 | mario79 | 518 | fs_OnCd2: |
585 | mario79 | 519 | call reserve_cd |
520 | mov [ChannelNumber],2 |
||
521 | mov [DiskNumber],0 |
||
522 | push 2 |
||
523 | push 3 |
||
524 | jmp fs_OnCd |
||
87 | mario79 | 525 | fs_OnCd3: |
585 | mario79 | 526 | call reserve_cd |
527 | mov [ChannelNumber],2 |
||
528 | mov [DiskNumber],1 |
||
529 | push 0 |
||
530 | push 4 |
||
87 | mario79 | 531 | fs_OnCd: |
585 | mario79 | 532 | call reserve_cd_channel |
533 | pop eax |
||
534 | mov [cdpos], eax |
||
535 | pop eax |
||
536 | cmp ecx, 0x100 |
||
537 | jae .nf |
||
538 | push ecx ebx |
||
539 | mov cl,al |
||
540 | mov bl,[DRIVE_DATA+1] |
||
541 | shr bl,cl |
||
542 | test bl,2 |
||
543 | pop ebx ecx |
||
87 | mario79 | 544 | |
585 | mario79 | 545 | jnz @f |
87 | mario79 | 546 | .nf: |
585 | mario79 | 547 | call free_cd_channel |
548 | and [cd_status], 0 |
||
549 | mov dword [image_of_eax], 5 ; not found |
||
550 | ret |
||
87 | mario79 | 551 | @@: |
585 | mario79 | 552 | mov ecx, [ebx+12] |
553 | mov edx, [ebx+16] |
||
465 | serge | 554 | ; add edx, std_application_base_address |
585 | mario79 | 555 | mov eax, [ebx] |
556 | cmp eax,fs_NumCdServices |
||
557 | jae .not_impl |
||
558 | add ebx, 4 |
||
559 | call dword [fs_CdServices + eax*4] |
||
560 | call free_cd_channel |
||
561 | and [cd_status], 0 |
||
562 | mov [image_of_eax], eax |
||
563 | mov [image_of_ebx], ebx |
||
564 | ret |
||
87 | mario79 | 565 | .not_impl: |
585 | mario79 | 566 | call free_cd_channel |
567 | and [cd_status], 0 |
||
568 | mov dword [image_of_eax], 2 ; not implemented |
||
569 | ret |
||
87 | mario79 | 570 | |
571 | fs_CdServices: |
||
585 | mario79 | 572 | dd fs_CdRead |
573 | dd fs_CdReadFolder |
||
574 | dd fs_NotImplemented |
||
575 | dd fs_NotImplemented |
||
576 | dd fs_NotImplemented |
||
577 | dd fs_CdGetFileInfo |
||
578 | dd fs_NotImplemented |
||
579 | dd 0 |
||
580 | dd fs_NotImplemented |
||
581 | dd fs_NotImplemented |
||
582 | dd fs_EjectDeviceTray |
||
583 | dd fs_LoadDeviceTray |
||
90 | mario79 | 584 | fs_NumCdServices = ($ - fs_CdServices)/4 |
585 | |||
87 | mario79 | 586 | ;******************************************************* |
587 | |||
75 | diamond | 588 | fs_HasRamdisk: |
585 | mario79 | 589 | mov al, 1 ; we always have ramdisk |
590 | ret |
||
75 | diamond | 591 | |
592 | fs_HasFloppy: |
||
585 | mario79 | 593 | cmp byte [DRIVE_DATA], 0 |
594 | setnz al |
||
595 | ret |
||
75 | diamond | 596 | |
597 | fs_HasHd0: |
||
585 | mario79 | 598 | mov al, [DRIVE_DATA+1] |
599 | and al, 11000000b |
||
600 | cmp al, 01000000b |
||
601 | setz al |
||
602 | ret |
||
75 | diamond | 603 | fs_HasHd1: |
585 | mario79 | 604 | mov al, [DRIVE_DATA+1] |
605 | and al, 00110000b |
||
606 | cmp al, 00010000b |
||
607 | setz al |
||
608 | ret |
||
75 | diamond | 609 | fs_HasHd2: |
585 | mario79 | 610 | mov al, [DRIVE_DATA+1] |
611 | and al, 00001100b |
||
612 | cmp al, 00000100b |
||
613 | setz al |
||
614 | ret |
||
75 | diamond | 615 | fs_HasHd3: |
585 | mario79 | 616 | mov al, [DRIVE_DATA+1] |
617 | and al, 00000011b |
||
618 | cmp al, 00000001b |
||
619 | setz al |
||
620 | ret |
||
75 | diamond | 621 | |
87 | mario79 | 622 | ;******************************************************* |
623 | fs_HasCd0: |
||
585 | mario79 | 624 | mov al, [DRIVE_DATA+1] |
625 | and al, 11000000b |
||
626 | cmp al, 10000000b |
||
627 | setz al |
||
628 | ret |
||
87 | mario79 | 629 | fs_HasCd1: |
585 | mario79 | 630 | mov al, [DRIVE_DATA+1] |
631 | and al, 00110000b |
||
632 | cmp al, 00100000b |
||
633 | setz al |
||
634 | ret |
||
87 | mario79 | 635 | fs_HasCd2: |
585 | mario79 | 636 | mov al, [DRIVE_DATA+1] |
637 | and al, 00001100b |
||
638 | cmp al, 00001000b |
||
639 | setz al |
||
640 | ret |
||
87 | mario79 | 641 | fs_HasCd3: |
585 | mario79 | 642 | mov al, [DRIVE_DATA+1] |
643 | and al, 00000011b |
||
644 | cmp al, 00000010b |
||
645 | setz al |
||
646 | ret |
||
237 | serge | 647 | ;******************************************************* |
87 | mario79 | 648 | |
75 | diamond | 649 | ; fs_NextXXX functions: |
650 | ; in: eax = partition number, from which start to scan |
||
651 | ; out: CF=1 => no more partitions |
||
652 | ; CF=0 => eax=next partition number |
||
653 | |||
654 | fs_NextRamdisk: |
||
655 | ; we always have /rd/1 |
||
585 | mario79 | 656 | test eax, eax |
657 | stc |
||
658 | jnz @f |
||
659 | mov al, 1 |
||
660 | clc |
||
75 | diamond | 661 | @@: |
585 | mario79 | 662 | ret |
75 | diamond | 663 | |
664 | fs_NextFloppy: |
||
381 | serge | 665 | ; we have /fd/1 iff (([DRIVE_DATA] and 0xF0) != 0) and /fd/2 iff (([DRIVE_DATA] and 0x0F) != 0) |
585 | mario79 | 666 | test byte [DRIVE_DATA], 0xF0 |
667 | jz .no1 |
||
668 | test eax, eax |
||
669 | jnz .no1 |
||
670 | inc eax |
||
671 | ret ; CF cleared |
||
75 | diamond | 672 | .no1: |
585 | mario79 | 673 | test byte [DRIVE_DATA], 0x0F |
674 | jz .no2 |
||
675 | cmp al, 2 |
||
676 | jae .no2 |
||
677 | mov al, 2 |
||
678 | clc |
||
679 | ret |
||
75 | diamond | 680 | .no2: |
585 | mario79 | 681 | stc |
682 | ret |
||
75 | diamond | 683 | |
684 | ; on hdx, we have partitions from 1 to [0x40002+x] |
||
685 | fs_NextHd0: |
||
585 | mario79 | 686 | push 0 |
687 | jmp fs_NextHd |
||
75 | diamond | 688 | fs_NextHd1: |
585 | mario79 | 689 | push 1 |
690 | jmp fs_NextHd |
||
75 | diamond | 691 | fs_NextHd2: |
585 | mario79 | 692 | push 2 |
693 | jmp fs_NextHd |
||
75 | diamond | 694 | fs_NextHd3: |
585 | mario79 | 695 | push 3 |
75 | diamond | 696 | fs_NextHd: |
585 | mario79 | 697 | pop ecx |
698 | movzx ecx, byte [DRIVE_DATA+2+ecx] |
||
699 | cmp eax, ecx |
||
700 | jae fs_NextFloppy.no2 |
||
701 | inc eax |
||
702 | clc |
||
703 | ret |
||
237 | serge | 704 | |
87 | mario79 | 705 | ;******************************************************* |
706 | fs_NextCd: |
||
707 | ; we always have /cdX/1 |
||
585 | mario79 | 708 | test eax, eax |
709 | stc |
||
710 | jnz @f |
||
711 | mov al, 1 |
||
712 | clc |
||
87 | mario79 | 713 | @@: |
585 | mario79 | 714 | ret |
87 | mario79 | 715 | ;******************************************************* |
716 | |||
521 | diamond | 717 | process_replace_file_name: |
585 | mario79 | 718 | mov ebp, [full_file_name_table] |
719 | mov edi, [full_file_name_table.size] |
||
720 | dec edi |
||
721 | shl edi, 7 |
||
722 | add edi, ebp |
||
521 | diamond | 723 | .loop: |
585 | mario79 | 724 | cmp edi, ebp |
725 | jb .notfound |
||
726 | push esi edi |
||
521 | diamond | 727 | @@: |
585 | mario79 | 728 | cmp byte [edi], 0 |
729 | jz .dest_done |
||
730 | lodsb |
||
731 | test al, al |
||
732 | jz .cont |
||
733 | or al, 20h |
||
734 | scasb |
||
735 | jz @b |
||
736 | jmp .cont |
||
521 | diamond | 737 | .dest_done: |
585 | mario79 | 738 | cmp byte [esi], 0 |
739 | jz .found |
||
740 | cmp byte [esi], '/' |
||
741 | jnz .cont |
||
742 | inc esi |
||
743 | jmp .found |
||
521 | diamond | 744 | .cont: |
585 | mario79 | 745 | pop edi esi |
746 | sub edi, 128 |
||
747 | jmp .loop |
||
521 | diamond | 748 | .found: |
585 | mario79 | 749 | pop edi eax |
750 | mov ebp, esi |
||
751 | cmp byte [esi], 0 |
||
752 | lea esi, [edi+64] |
||
753 | jnz .ret |
||
521 | diamond | 754 | .notfound: |
585 | mario79 | 755 | xor ebp, ebp |
521 | diamond | 756 | .ret: |
585 | mario79 | 757 | ret |
521 | diamond | 758 | |
759 | sys_current_directory: |
||
585 | mario79 | 760 | mov esi, [current_slot] |
761 | mov esi, [esi+APPDATA.cur_dir] |
||
762 | mov edx, esi |
||
763 | dec eax |
||
764 | jz .set |
||
765 | dec eax |
||
766 | jz .get |
||
767 | ret |
||
521 | diamond | 768 | .get: |
769 | ; sysfunction 30.2: [for app] eax=30,ebx=2,ecx->buffer,edx=len |
||
770 | ; for our code: ebx->buffer,ecx=len |
||
771 | @@: |
||
585 | mario79 | 772 | lodsb |
773 | test al, al |
||
774 | jnz @b |
||
775 | sub esi, edx |
||
776 | inc esi |
||
777 | mov [esp+36], esi |
||
778 | cmp ecx, esi |
||
779 | jbe @f |
||
780 | mov ecx, esi |
||
521 | diamond | 781 | @@: |
585 | mario79 | 782 | cmp ecx, 1 |
783 | jbe .ret |
||
784 | mov esi, edx |
||
785 | mov edi, ebx |
||
786 | mov al, '/' |
||
787 | stosb |
||
788 | dec ecx |
||
789 | dec ecx |
||
790 | rep movsb |
||
791 | mov byte [edi], 0 |
||
521 | diamond | 792 | .ret: |
585 | mario79 | 793 | ret |
521 | diamond | 794 | .set: |
795 | ; sysfunction 30.1: [for app] eax=30,ebx=1,ecx->string |
||
796 | ; for our code: ebx->string to set |
||
797 | @@: |
||
585 | mario79 | 798 | inc esi |
799 | cmp byte [esi-1], 0 |
||
800 | jnz @b |
||
801 | dec esi |
||
802 | cmp byte [ebx], '/' |
||
803 | jz .set_absolute |
||
521 | diamond | 804 | ; string gives relative path |
805 | .relative: |
||
585 | mario79 | 806 | cmp byte [ebx], 0 |
807 | jz .set_ok |
||
808 | cmp word [ebx], '.' |
||
809 | jz .set_ok |
||
810 | cmp word [ebx], './' |
||
811 | jnz @f |
||
812 | add ebx, 2 |
||
813 | jmp .relative |
||
521 | diamond | 814 | @@: |
585 | mario79 | 815 | cmp word [ebx], '..' |
816 | jnz .doset_relative |
||
817 | cmp byte [ebx+2], 0 |
||
818 | jz @f |
||
819 | cmp byte [ebx+2], '/' |
||
820 | jnz .doset_relative |
||
521 | diamond | 821 | @@: |
585 | mario79 | 822 | dec esi |
823 | cmp byte [esi], '/' |
||
824 | jnz @b |
||
825 | mov byte [esi], 0 |
||
826 | add ebx, 3 |
||
827 | jmp .relative |
||
521 | diamond | 828 | .doset_relative: |
585 | mario79 | 829 | add edx, 0x1000 |
830 | mov byte [esi], '/' |
||
831 | inc esi |
||
832 | cmp esi, edx |
||
833 | jae .overflow_esi |
||
521 | diamond | 834 | @@: |
585 | mario79 | 835 | mov al, [ebx] |
836 | inc ebx |
||
837 | mov [esi], al |
||
838 | inc esi |
||
839 | test al, al |
||
840 | jz .set_ok |
||
841 | cmp esi, edx |
||
842 | jb @b |
||
521 | diamond | 843 | .overflow_esi: |
585 | mario79 | 844 | mov byte [esi-1], 0 ; force null-terminated string |
521 | diamond | 845 | .set_ok: |
585 | mario79 | 846 | ret |
521 | diamond | 847 | .set_absolute: |
585 | mario79 | 848 | lea esi, [ebx+1] |
849 | call process_replace_file_name |
||
850 | mov edi, edx |
||
851 | add edx, 0x1000 |
||
521 | diamond | 852 | .set_copy: |
585 | mario79 | 853 | lodsb |
854 | stosb |
||
855 | test al, al |
||
856 | jz .set_part2 |
||
521 | diamond | 857 | .set_copy_cont: |
585 | mario79 | 858 | cmp edi, edx |
859 | jb .set_copy |
||
521 | diamond | 860 | .overflow_edi: |
585 | mario79 | 861 | mov byte [edi-1], 0 |
862 | ret |
||
521 | diamond | 863 | .set_part2: |
585 | mario79 | 864 | mov esi, ebp |
865 | xor ebp, ebp |
||
866 | test esi, esi |
||
867 | jz .set_ok |
||
868 | mov byte [edi-1], '/' |
||
869 | jmp .set_copy_cont |