Rev 202 | Rev 211 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
164 | serge | 1 | ; |
2 | ; This file is part of the Infinity sound AC97 driver. |
||
3 | ; (C) copyright Serge 2006 |
||
4 | ; email: infinity_sound@mail.ru |
||
5 | ; |
||
6 | ; This program is free software; you can redistribute it and/or modify |
||
7 | ; it under the terms of the GNU General Public License as published by |
||
8 | ; the Free Software Foundation; either version 2 of the License, or |
||
9 | ; (at your option) any later version. |
||
10 | ; |
||
11 | ; This program is distributed in the hope that it will be useful, |
||
12 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
13 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
14 | ; GNU General Public License for more details. |
||
15 | |||
16 | align 4 |
||
17 | proc attach_int_handler stdcall, irq:dword, handler:dword |
||
18 | |||
19 | mov ebx, [irq] ;irq num |
||
20 | test ebx, ebx |
||
21 | jz .err |
||
22 | mov eax, [handler] |
||
23 | test eax, eax |
||
24 | jz .err |
||
25 | mov [irq_tab+ebx*4], eax |
||
26 | stdcall enable_irq, [irq] |
||
27 | ret |
||
28 | .err: |
||
29 | xor eax, eax |
||
30 | ret |
||
31 | endp |
||
32 | |||
33 | align 4 |
||
34 | proc detach_int_handler |
||
35 | |||
36 | ret |
||
37 | endp |
||
38 | |||
39 | align 4 |
||
40 | proc enable_irq stdcall, irq_line:dword |
||
41 | mov ebx, [irq_line] |
||
42 | mov edx, 0x21 |
||
43 | cmp ebx, 8 |
||
44 | jb @F |
||
45 | mov edx, 0xA1 |
||
46 | sub ebx,8 |
||
47 | @@: |
||
48 | in al,dx |
||
49 | btr eax, ebx |
||
50 | out dx, al |
||
51 | ret |
||
52 | endp |
||
53 | |||
54 | align 16 |
||
55 | ;; proc irq_serv |
||
56 | |||
57 | irq_serv: |
||
58 | |||
59 | .irq_1: |
||
60 | push eax |
||
61 | mov eax, 1 |
||
62 | jmp .main |
||
63 | align 4 |
||
64 | .irq_2: |
||
65 | push eax |
||
66 | mov eax, 2 |
||
67 | jmp .main |
||
68 | align 4 |
||
69 | .irq_3: |
||
70 | push eax |
||
71 | mov eax, 3 |
||
72 | jmp .main |
||
73 | align 4 |
||
74 | .irq_4: |
||
75 | push eax |
||
76 | mov eax, 4 |
||
77 | jmp .main |
||
78 | align 4 |
||
79 | .irq_5: |
||
80 | push eax |
||
81 | mov eax, 5 |
||
82 | jmp .main |
||
83 | align 4 |
||
84 | .irq_6: |
||
85 | push eax |
||
86 | mov eax, 6 |
||
87 | jmp .main |
||
88 | align 4 |
||
89 | .irq_7: |
||
90 | push eax |
||
91 | mov eax, 7 |
||
92 | jmp .main |
||
93 | align 4 |
||
94 | .irq_8: |
||
95 | push eax |
||
96 | mov eax, 8 |
||
97 | jmp .main |
||
98 | align 4 |
||
99 | .irq_9: |
||
100 | push eax |
||
101 | mov eax, 9 |
||
102 | jmp .main |
||
103 | align 4 |
||
104 | .irq_10: |
||
105 | push eax |
||
106 | mov eax, 10 |
||
107 | jmp .main |
||
108 | align 4 |
||
109 | .irq_11: |
||
110 | push eax |
||
111 | mov eax, 11 |
||
112 | jmp .main |
||
113 | align 4 |
||
114 | .irq_12: |
||
115 | push eax |
||
116 | mov eax, 12 |
||
117 | jmp .main |
||
118 | align 4 |
||
119 | .irq_13: |
||
120 | push eax |
||
121 | mov eax, 13 |
||
122 | jmp .main |
||
123 | align 4 |
||
124 | .irq_14: |
||
125 | push eax |
||
126 | mov eax, 14 |
||
127 | jmp .main |
||
128 | align 4 |
||
129 | .irq_15: |
||
130 | push eax |
||
131 | mov eax, 15 |
||
132 | jmp .main |
||
133 | |||
134 | align 16 |
||
135 | .main: |
||
136 | save_ring3_context |
||
137 | mov bx, os_data |
||
138 | mov ds, bx |
||
139 | mov es, bx |
||
140 | |||
141 | mov ebx, [irq_tab+eax*4] |
||
142 | test ebx, ebx |
||
143 | jz .exit |
||
144 | |||
145 | call ebx |
||
146 | |||
147 | .exit: |
||
148 | restore_ring3_context |
||
149 | |||
150 | cmp eax, 8 |
||
151 | mov al, 0x20 |
||
152 | jb @f |
||
153 | out 0xa0, al |
||
154 | @@: |
||
155 | out 0x20, al |
||
156 | |||
157 | pop eax |
||
158 | iret |
||
159 | |||
160 | align 4 |
||
161 | proc get_notify stdcall, p_ev:dword |
||
162 | |||
163 | .wait: |
||
164 | mov ebx,[CURRENT_TASK] |
||
165 | shl ebx,8 |
||
166 | test dword [ebx+PROC_BASE+0xA8],EVENT_NOTIFY |
||
167 | jz @f |
||
168 | and dword [ebx+PROC_BASE+0xA8], not EVENT_NOTIFY |
||
169 | mov edi, [p_ev] |
||
170 | mov dword [edi], EV_INTR |
||
171 | mov eax, [ebx+PROC_BASE+APPDATA.event] |
||
172 | mov dword [edi+4], eax |
||
173 | ret |
||
174 | @@: |
||
175 | call change_task |
||
176 | jmp .wait |
||
177 | endp |
||
178 | |||
179 | align 4 |
||
180 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
||
181 | xor eax, eax |
||
182 | xor ebx, ebx |
||
183 | mov ah, byte [bus] |
||
184 | mov al, 6 |
||
185 | mov bh, byte [devfn] |
||
186 | mov bl, byte [reg] |
||
187 | call pci_read_reg |
||
188 | ret |
||
189 | endp |
||
190 | |||
191 | align 4 |
||
192 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
||
193 | xor eax, eax |
||
194 | xor ebx, ebx |
||
195 | mov ah, byte [bus] |
||
196 | mov al, 4 |
||
197 | mov bh, byte [devfn] |
||
198 | mov bl, byte [reg] |
||
199 | call pci_read_reg |
||
200 | ret |
||
201 | endp |
||
202 | |||
203 | align 4 |
||
204 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
||
205 | xor eax, eax |
||
206 | xor ebx, ebx |
||
207 | mov ah, byte [bus] |
||
208 | mov al, 8 |
||
209 | mov bh, byte [devfn] |
||
210 | mov bl, byte [reg] |
||
211 | mov ecx, [val] |
||
212 | call pci_write_reg |
||
213 | ret |
||
214 | endp |
||
215 | |||
216 | handle equ IOCTL.handle |
||
217 | io_code equ IOCTL.io_code |
||
218 | input equ IOCTL.input |
||
219 | inp_size equ IOCTL.inp_size |
||
220 | output equ IOCTL.output |
||
221 | out_size equ IOCTL.out_size |
||
222 | |||
223 | |||
224 | align 4 |
||
225 | proc srv_handler stdcall, ioctl:dword |
||
226 | mov esi, [ioctl] |
||
227 | test esi, esi |
||
228 | jz .err |
||
229 | |||
230 | mov edi, [esi+handle] |
||
231 | cmp [edi+SRV.magic], ' SRV' |
||
232 | jne .fail |
||
233 | |||
234 | cmp [edi+SRV.size], SRV_SIZE |
||
235 | jne .fail |
||
236 | |||
237 | stdcall [edi+SRV.srv_proc], esi |
||
238 | ret |
||
239 | .fail: |
||
240 | xor eax, eax |
||
241 | not eax |
||
242 | mov [esi+output], eax |
||
243 | mov [esi+out_size], 4 |
||
244 | ret |
||
245 | .err: |
||
246 | xor eax, eax |
||
247 | not eax |
||
248 | ret |
||
249 | endp |
||
250 | |||
251 | align 4 |
||
252 | proc srv_handlerEx stdcall, ioctl:dword |
||
253 | mov esi, [ioctl] |
||
254 | test esi, esi |
||
255 | jz .err |
||
256 | add esi, new_app_base |
||
257 | |||
258 | mov edi, [esi+handle] |
||
259 | cmp [edi+SRV.magic], ' SRV' |
||
260 | jne .fail |
||
261 | |||
262 | cmp [edi+SRV.size], SRV_SIZE |
||
263 | jne .fail |
||
264 | |||
265 | add [esi+input], new_app_base |
||
266 | add [esi+output], new_app_base |
||
267 | |||
268 | stdcall [edi+SRV.srv_proc], esi |
||
269 | ret |
||
270 | .fail: |
||
271 | xor eax, eax |
||
272 | not eax |
||
273 | mov [esi+output], eax |
||
274 | mov [esi+out_size], 4 |
||
275 | ret |
||
276 | .err: |
||
277 | xor eax, eax |
||
278 | not eax |
||
279 | ret |
||
280 | endp |
||
281 | |||
282 | restore handle |
||
283 | restore io_code |
||
284 | restore input |
||
285 | restore inp_size |
||
286 | restore output |
||
287 | restore out_size |
||
288 | |||
289 | align 4 |
||
290 | proc get_service stdcall, sz_name:dword |
||
291 | locals |
||
292 | srv_ptr dd ? |
||
293 | counter dd ? |
||
188 | serge | 294 | endl |
164 | serge | 295 | |
188 | serge | 296 | mov eax, [sz_name] |
297 | test eax, eax |
||
298 | jnz @F |
||
299 | ret |
||
164 | serge | 300 | @@: |
188 | serge | 301 | mov [srv_ptr], srv_tab |
302 | mov [counter], 16 |
||
303 | @@: |
||
304 | stdcall strncmp, [srv_ptr], [sz_name], 16 |
||
305 | test eax, eax |
||
306 | je .ok |
||
164 | serge | 307 | |
188 | serge | 308 | add [srv_ptr], SRV_SIZE |
309 | dec [counter] |
||
310 | jnz @B |
||
164 | serge | 311 | .not_load: |
312 | stdcall find_service, [sz_name] |
||
313 | test eax, eax |
||
188 | serge | 314 | jnz @F |
315 | ret |
||
164 | serge | 316 | @@: |
188 | serge | 317 | stdcall load_driver, eax |
318 | ret |
||
164 | serge | 319 | .ok: |
188 | serge | 320 | mov eax, [srv_ptr] |
321 | ret |
||
164 | serge | 322 | endp |
323 | |||
324 | align 4 |
||
325 | proc find_service stdcall ,sz_name:dword |
||
326 | |||
327 | mov eax, [sz_name] |
||
328 | test eax, eax |
||
329 | jz .fail |
||
330 | |||
331 | mov esi, services |
||
332 | @@: |
||
333 | mov eax, [esi] |
||
334 | test eax, eax |
||
335 | jz .fail |
||
336 | push esi |
||
337 | stdcall strncmp, eax, [sz_name], 16 |
||
338 | pop esi |
||
339 | test eax, eax |
||
340 | je .ok |
||
341 | |||
342 | add esi, 8 |
||
343 | jmp @B |
||
344 | .ok: |
||
345 | mov eax, [esi+4] |
||
346 | ret |
||
347 | .fail: |
||
348 | xor eax, eax |
||
349 | ret |
||
350 | endp |
||
351 | |||
352 | align 4 |
||
353 | proc reg_service stdcall, sz_name:dword, handler:dword |
||
354 | locals |
||
355 | srv dd ? |
||
356 | endl |
||
357 | |||
358 | mov eax, [sz_name] |
||
359 | test eax, eax |
||
360 | jz .fail |
||
361 | |||
362 | mov ebx, [handler] |
||
363 | test ebx, ebx |
||
364 | jz .fail |
||
365 | |||
366 | call alloc_service |
||
367 | test eax, eax |
||
368 | jz .fail |
||
369 | |||
370 | mov [srv], eax |
||
371 | mov edi, eax |
||
372 | mov esi, [sz_name] |
||
373 | mov ecx, 16 |
||
374 | rep movsb |
||
375 | |||
376 | mov edi, eax |
||
377 | mov [edi+SRV.magic], ' SRV' |
||
378 | mov [edi+SRV.size], SRV_SIZE |
||
379 | mov ebx, [handler] |
||
380 | mov [edi+SRV.srv_proc], ebx |
||
381 | mov eax, [srv] |
||
382 | ret |
||
383 | .fail: |
||
384 | xor eax, eax |
||
385 | ret |
||
386 | endp |
||
387 | |||
388 | align 4 |
||
389 | proc get_proc stdcall, exp:dword, sz_name:dword |
||
390 | |||
391 | mov edx, [exp] |
||
392 | .next: |
||
393 | mov eax, [edx] |
||
394 | test eax, eax |
||
395 | jz .end |
||
396 | |||
397 | push edx |
||
398 | stdcall strncmp, eax, [sz_name], 16 |
||
399 | pop edx |
||
400 | test eax, eax |
||
401 | jz .ok |
||
402 | |||
403 | add edx,8 |
||
404 | jmp .next |
||
405 | .ok: |
||
406 | mov eax, [edx+4] |
||
407 | .end: |
||
408 | ret |
||
409 | endp |
||
410 | |||
411 | align 4 |
||
412 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
||
413 | |||
414 | @@: |
||
415 | stdcall strncmp, [pSym], [sz_sym], 8 |
||
416 | test eax,eax |
||
417 | jz .ok |
||
418 | add [pSym], 18 |
||
419 | dec [count] |
||
420 | jnz @b |
||
421 | xor eax, eax |
||
422 | ret |
||
423 | .ok: |
||
424 | mov ebx, [pSym] |
||
425 | mov eax, [ebx+8] |
||
426 | ret |
||
427 | endp |
||
428 | |||
429 | align 4 |
||
188 | serge | 430 | proc get_curr_task |
431 | mov eax,[CURRENT_TASK] |
||
432 | shl eax, 8 |
||
433 | ret |
||
434 | endp |
||
164 | serge | 435 | |
188 | serge | 436 | align 4 |
437 | proc get_fileinfo stdcall, file_name:dword, info:dword |
||
438 | locals |
||
439 | cmd dd ? |
||
440 | offset dd ? |
||
441 | dd ? |
||
442 | count dd ? |
||
443 | buff dd ? |
||
444 | db ? |
||
445 | name dd ? |
||
446 | endl |
||
164 | serge | 447 | |
188 | serge | 448 | xor eax, eax |
449 | mov ebx, [file_name] |
||
450 | sub ebx, new_app_base |
||
451 | mov ecx, [info] |
||
452 | sub ecx, new_app_base |
||
164 | serge | 453 | |
188 | serge | 454 | mov [cmd], 5 |
455 | mov [offset], eax |
||
456 | mov [offset+4], eax |
||
457 | mov [count], eax |
||
458 | mov [buff], ecx |
||
459 | mov byte [buff+4], al |
||
460 | mov [name], ebx |
||
164 | serge | 461 | |
188 | serge | 462 | mov eax, 70 |
463 | lea ebx, [cmd] |
||
464 | sub ebx, new_app_base |
||
465 | int 0x40 |
||
466 | ret |
||
467 | endp |
||
164 | serge | 468 | |
188 | serge | 469 | align 4 |
470 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
||
471 | bytes:dword |
||
472 | locals |
||
473 | cmd dd ? |
||
474 | offset dd ? |
||
475 | dd ? |
||
476 | count dd ? |
||
477 | buff dd ? |
||
478 | db ? |
||
479 | name dd ? |
||
480 | endl |
||
164 | serge | 481 | |
188 | serge | 482 | xor eax, eax |
483 | mov ebx, [file_name] |
||
484 | mov ecx, [off] |
||
485 | mov edx, [bytes] |
||
486 | mov esi, [buffer] |
||
487 | sub ebx, new_app_base |
||
488 | sub esi, new_app_base |
||
164 | serge | 489 | |
188 | serge | 490 | mov [cmd], eax |
491 | mov [offset], ecx |
||
492 | mov [offset+4], eax |
||
493 | mov [count], edx |
||
494 | mov [buff], esi |
||
495 | mov byte [buff+4], al |
||
496 | mov [name], ebx |
||
497 | |||
498 | mov eax, 70 |
||
499 | lea ebx, [cmd] |
||
500 | sub ebx, new_app_base |
||
501 | int 0x40 |
||
502 | ret |
||
503 | endp |
||
504 | |||
505 | align 4 |
||
506 | proc load_file stdcall, file_name:dword |
||
507 | locals |
||
508 | attr dd ? |
||
509 | flags dd ? |
||
510 | cr_time dd ? |
||
511 | cr_date dd ? |
||
512 | acc_time dd ? |
||
513 | acc_date dd ? |
||
514 | mod_time dd ? |
||
515 | mod_date dd ? |
||
516 | file_size dd ? |
||
517 | |||
518 | file dd ? |
||
519 | endl |
||
520 | |||
521 | lea eax, [attr] |
||
522 | stdcall get_fileinfo, [file_name], eax |
||
164 | serge | 523 | test eax, eax |
188 | serge | 524 | jnz .fail |
164 | serge | 525 | |
206 | serge | 526 | mov eax, [file_size] |
527 | |||
188 | serge | 528 | stdcall kernel_alloc, [file_size] |
529 | mov [file], eax |
||
164 | serge | 530 | |
188 | serge | 531 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
532 | cmp ebx, [file_size] |
||
533 | jne .cleanup |
||
534 | mov eax, [file] |
||
535 | ret |
||
536 | .cleanup: |
||
537 | stdcall kernel_free, [file] |
||
538 | .fail: |
||
539 | xor eax, eax |
||
540 | ret |
||
541 | endp |
||
164 | serge | 542 | |
188 | serge | 543 | align 4 |
544 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
||
545 | |||
546 | .look_up: |
||
547 | mov edx, [imports] |
||
198 | serge | 548 | test edx, edx |
549 | jz .end |
||
188 | serge | 550 | mov edx, [edx] |
551 | test edx, edx |
||
552 | jz .end |
||
553 | .next: |
||
554 | mov eax, [edx] |
||
164 | serge | 555 | test eax, eax |
188 | serge | 556 | jz .next_table |
164 | serge | 557 | |
188 | serge | 558 | push edx |
559 | stdcall strncmp, eax, [proc_name], 16 |
||
560 | pop edx |
||
561 | test eax, eax |
||
562 | jz .ok |
||
164 | serge | 563 | |
188 | serge | 564 | add edx,8 |
565 | jmp .next |
||
566 | .next_table: |
||
567 | add [imports], 4 |
||
568 | jmp .look_up |
||
569 | .ok: |
||
570 | mov eax, [edx+4] |
||
571 | ret |
||
572 | .end: |
||
573 | xor eax, eax |
||
574 | ret |
||
575 | endp |
||
164 | serge | 576 | |
188 | serge | 577 | align 4 |
578 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
||
579 | sym_count:dword, strings:dword, imports:dword |
||
580 | locals |
||
581 | retval dd ? |
||
582 | endl |
||
164 | serge | 583 | |
188 | serge | 584 | mov edi, [symbols] |
585 | mov [retval], 1 |
||
586 | .fix: |
||
587 | movzx ebx, [edi+CSYM.SectionNumber] |
||
588 | test ebx, ebx |
||
589 | jnz .internal |
||
590 | mov eax, dword [edi+CSYM.Name] |
||
591 | test eax, eax |
||
592 | jnz @F |
||
164 | serge | 593 | |
188 | serge | 594 | mov edi, [edi+4] |
595 | add edi, [strings] |
||
596 | @@: |
||
597 | push edi |
||
598 | stdcall get_proc_ex, edi,[imports] |
||
599 | pop edi |
||
164 | serge | 600 | |
188 | serge | 601 | xor ebx, ebx |
602 | test eax, eax |
||
603 | jnz @F |
||
164 | serge | 604 | |
188 | serge | 605 | mov esi, msg_unresolved |
606 | call sys_msg_board_str |
||
607 | mov esi, edi |
||
608 | call sys_msg_board_str |
||
609 | mov esi, msg_CR |
||
610 | call sys_msg_board_str |
||
164 | serge | 611 | |
188 | serge | 612 | mov [retval],0 |
613 | @@: |
||
614 | mov edi, [symbols] |
||
615 | mov [edi+CSYM.Value], eax |
||
616 | jmp .next |
||
617 | .internal: |
||
618 | dec ebx |
||
619 | shl ebx, 3 |
||
620 | lea ebx, [ebx+ebx*4] |
||
621 | add ebx, [sec] |
||
622 | |||
623 | mov eax, [ebx+CFS.VirtualAddress] |
||
624 | add [edi+CSYM.Value], eax |
||
625 | .next: |
||
626 | add edi, CSYM_SIZE |
||
627 | mov [symbols], edi |
||
628 | dec [sym_count] |
||
629 | jnz .fix |
||
630 | mov eax, [retval] |
||
631 | ret |
||
164 | serge | 632 | endp |
633 | |||
634 | align 4 |
||
188 | serge | 635 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 636 | locals |
188 | serge | 637 | n_sec dd ? |
164 | serge | 638 | endl |
639 | |||
188 | serge | 640 | mov eax, [coff] |
641 | movzx ebx, [eax+CFH.nSections] |
||
642 | mov [n_sec], ebx |
||
643 | .fix_sec: |
||
644 | mov esi, [sec] |
||
164 | serge | 645 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 646 | add edi, [coff] |
164 | serge | 647 | |
188 | serge | 648 | movzx ecx, [esi+CFS.NumReloc] |
649 | test ecx, ecx |
||
650 | jz .next |
||
651 | .next_reloc: |
||
164 | serge | 652 | mov ebx, [edi+CRELOC.SymIndex] |
653 | add ebx,ebx |
||
654 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 655 | add ebx, [sym] |
164 | serge | 656 | |
188 | serge | 657 | mov edx, [ebx+CSYM.Value] |
164 | serge | 658 | |
188 | serge | 659 | cmp [edi+CRELOC.Type], 6 |
660 | je .dir_32 |
||
164 | serge | 661 | |
188 | serge | 662 | cmp [edi+CRELOC.Type], 20 |
663 | jne .next_reloc |
||
664 | .rel_32: |
||
164 | serge | 665 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 666 | add eax, [esi+CFS.VirtualAddress] |
667 | sub edx, eax |
||
668 | sub edx, 4 |
||
669 | jmp .fix |
||
670 | .dir_32: |
||
671 | mov eax, [edi+CRELOC.VirtualAddress] |
||
672 | add eax, [esi+CFS.VirtualAddress] |
||
673 | .fix: |
||
674 | add [eax], edx |
||
675 | add edi, 10 |
||
676 | dec ecx |
||
677 | jnz .next_reloc |
||
678 | .next: |
||
206 | serge | 679 | add [sec], COFF_SECTION_SIZE |
188 | serge | 680 | dec [n_sec] |
681 | jnz .fix_sec |
||
164 | serge | 682 | .exit: |
683 | ret |
||
684 | endp |
||
685 | |||
188 | serge | 686 | align 4 |
687 | proc load_driver stdcall, file_name:dword |
||
688 | locals |
||
689 | coff dd ? |
||
690 | sym dd ? |
||
691 | strings dd ? |
||
692 | img_size dd ? |
||
693 | img_base dd ? |
||
694 | start dd ? |
||
695 | |||
696 | exports dd ? ;fake exports table |
||
697 | dd ? |
||
698 | endl |
||
699 | |||
700 | stdcall load_file, [file_name] |
||
701 | test eax, eax |
||
702 | jz .fail |
||
703 | |||
704 | mov [coff], eax |
||
705 | |||
706 | movzx ecx, [eax+CFH.nSections] |
||
707 | xor ebx, ebx |
||
708 | |||
709 | lea edx, [eax+20] |
||
710 | @@: |
||
711 | add ebx, [edx+CFS.SizeOfRawData] |
||
712 | add ebx, 15 |
||
713 | and ebx, not 15 |
||
206 | serge | 714 | add edx, COFF_SECTION_SIZE |
188 | serge | 715 | dec ecx |
716 | jnz @B |
||
717 | mov [img_size], ebx |
||
718 | |||
719 | stdcall kernel_alloc, ebx |
||
720 | test eax, eax |
||
721 | jz .fail |
||
722 | mov [img_base], eax |
||
723 | |||
724 | mov edi, eax |
||
725 | xor eax, eax |
||
726 | mov ecx, [img_size] |
||
727 | add ecx, 4095 |
||
728 | and ecx, not 4095 |
||
729 | shr ecx, 2 |
||
730 | cld |
||
731 | rep stosd |
||
732 | |||
733 | mov edx, [coff] |
||
734 | movzx ebx, [edx+CFH.nSections] |
||
735 | mov edi, [img_base] |
||
736 | lea eax, [edx+20] |
||
737 | @@: |
||
738 | mov [eax+CFS.VirtualAddress], edi |
||
739 | mov esi, [eax+CFS.PtrRawData] |
||
740 | test esi, esi |
||
741 | jnz .copy |
||
742 | add edi, [eax+CFS.SizeOfRawData] |
||
743 | jmp .next |
||
744 | .copy: |
||
745 | add esi, edx |
||
746 | mov ecx, [eax+CFS.SizeOfRawData] |
||
747 | cld |
||
748 | rep movsb |
||
749 | .next: |
||
750 | add edi, 15 |
||
751 | and edi, not 15 |
||
206 | serge | 752 | add eax, COFF_SECTION_SIZE |
188 | serge | 753 | dec ebx |
754 | jnz @B |
||
755 | |||
756 | mov ebx, [edx+CFH.pSymTable] |
||
757 | add ebx, edx |
||
758 | mov [sym], ebx |
||
759 | mov ecx, [edx+CFH.nSymbols] |
||
760 | add ecx,ecx |
||
761 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
762 | add ecx, [sym] |
||
763 | mov [strings], ecx |
||
764 | |||
765 | lea ebx, [exports] |
||
766 | mov dword [ebx], kernel_export |
||
767 | mov dword [ebx+4], 0 |
||
768 | lea eax, [edx+20] |
||
769 | |||
770 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
771 | [strings], ebx |
||
772 | test eax, eax |
||
773 | jnz @F |
||
774 | |||
775 | mov esi, msg_module |
||
776 | call sys_msg_board_str |
||
777 | mov esi, [file_name] |
||
778 | call sys_msg_board_str |
||
779 | mov esi, msg_CR |
||
780 | call sys_msg_board_str |
||
781 | |||
782 | stdcall kernel_free,[coff] |
||
783 | xor eax, eax |
||
164 | serge | 784 | ret |
188 | serge | 785 | @@: |
786 | mov ebx, [coff] |
||
787 | add ebx, 20 |
||
788 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
789 | |||
790 | mov ebx, [coff] |
||
791 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
||
792 | mov [start], eax |
||
793 | |||
794 | stdcall kernel_free, [coff] |
||
795 | |||
796 | mov ebx, [start] |
||
797 | call ebx |
||
798 | test eax, eax |
||
799 | jnz .ok |
||
800 | |||
801 | stdcall kernel_free, [img_base] |
||
802 | xor eax, eax |
||
803 | ret |
||
804 | .ok: |
||
805 | mov ebx, [img_base] |
||
806 | mov [eax+SRV.base], ebx |
||
807 | ret |
||
808 | .fail: |
||
809 | xor eax, eax |
||
810 | ret |
||
164 | serge | 811 | endp |
812 | |||
198 | serge | 813 | align 4 |
814 | proc load_library stdcall, file_name:dword |
||
815 | locals |
||
816 | coff dd ? |
||
817 | sym dd ? |
||
818 | strings dd ? |
||
819 | img_size dd ? |
||
820 | img_base dd ? |
||
821 | exports dd ? |
||
822 | endl |
||
823 | |||
824 | cli |
||
825 | |||
826 | stdcall load_file, [file_name] |
||
827 | |||
828 | test eax, eax |
||
829 | jz .fail |
||
830 | |||
831 | mov [coff], eax |
||
832 | movzx ecx, [eax+CFH.nSections] |
||
833 | xor ebx, ebx |
||
834 | |||
835 | lea edx, [eax+20] |
||
836 | @@: |
||
837 | add ebx, [edx+CFS.SizeOfRawData] |
||
838 | add ebx, 15 |
||
839 | and ebx, not 15 |
||
206 | serge | 840 | add edx, COFF_SECTION_SIZE |
198 | serge | 841 | dec ecx |
842 | jnz @B |
||
843 | mov [img_size], ebx |
||
844 | |||
845 | call init_heap |
||
846 | stdcall user_alloc, [img_size] |
||
847 | |||
848 | test eax, eax |
||
849 | jz .fail |
||
850 | mov [img_base], eax |
||
851 | |||
852 | mov edx, [coff] |
||
853 | movzx ebx, [edx+CFH.nSections] |
||
854 | mov edi, [img_base] |
||
855 | lea eax, [edx+20] |
||
856 | @@: |
||
857 | mov [eax+CFS.VirtualAddress], edi |
||
858 | mov esi, [eax+CFS.PtrRawData] |
||
859 | test esi, esi |
||
860 | jnz .copy |
||
861 | add edi, [eax+CFS.SizeOfRawData] |
||
862 | jmp .next |
||
863 | .copy: |
||
864 | add esi, edx |
||
865 | add edi, new_app_base |
||
866 | mov ecx, [eax+CFS.SizeOfRawData] |
||
867 | cld |
||
868 | rep movsb |
||
869 | .next: |
||
870 | add edi, 15-new_app_base |
||
871 | and edi, not 15 |
||
206 | serge | 872 | add eax, COFF_SECTION_SIZE |
198 | serge | 873 | dec ebx |
874 | jnz @B |
||
875 | |||
876 | mov ebx, [edx+CFH.pSymTable] |
||
877 | add ebx, edx |
||
878 | mov [sym], ebx |
||
879 | mov ecx, [edx+CFH.nSymbols] |
||
880 | add ecx,ecx |
||
881 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
882 | add ecx, [sym] |
||
883 | mov [strings], ecx |
||
884 | |||
885 | lea eax, [edx+20] |
||
886 | |||
887 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
888 | [strings], dword 0 |
||
889 | test eax, eax |
||
890 | jnz @F |
||
891 | |||
892 | @@: |
||
893 | mov edx, [coff] |
||
894 | movzx ebx, [edx+CFH.nSections] |
||
895 | mov edi, new_app_base |
||
896 | lea eax, [edx+20] |
||
897 | @@: |
||
898 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 899 | add eax, COFF_SECTION_SIZE |
198 | serge | 900 | dec ebx |
901 | jnz @B |
||
902 | |||
903 | add edx, 20 |
||
904 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
905 | |||
906 | mov ebx, [coff] |
||
907 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
908 | mov [exports], eax |
||
909 | |||
910 | stdcall kernel_free, [coff] |
||
911 | mov eax, [exports] |
||
912 | ret |
||
913 | .fail: |
||
914 | xor eax, eax |
||
915 | ret |
||
916 | endp |
||
917 | |||
918 | |||
202 | diamond | 919 | drv_sound db '/rd/1/drivers/unisound.obj', 0 |
920 | drv_infinity db '/rd/1/drivers/infinity.obj', 0 |
||
164 | serge | 921 | |
922 | szSound db 'SOUND',0 |
||
923 | szInfinity db 'INFINITY',0 |
||
924 | |||
925 | szSTART db 'START',0 |
||
926 | szEXPORTS db 'EXPORTS',0 |
||
927 | szIMPORTS db 'IMPORTS',0 |
||
928 | |||
188 | serge | 929 | msg_unresolved db 'unresolved ',0 |
930 | msg_module db 'in module ',0 |
||
931 | msg_CR db 13,10,0 |
||
932 | |||
164 | serge | 933 | align 16 |
934 | services: |
||
935 | dd szSound, drv_sound |
||
936 | dd szInfinity, drv_infinity |
||
937 | dd 0 |