Rev 8 | Rev 10 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; MenuetOS process management, protected ring3 ;; |
||
4 | ;; ;; |
||
5 | ;; Distributed under GPL. See file COPYING for details. ;; |
||
6 | ;; Copyright 2003 Ville Turjanmaa ;; |
||
7 | ;; ;; |
||
8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
9 | |||
10 | align 32 |
||
11 | |||
12 | ; GDT TABLE |
||
13 | |||
14 | gdts: |
||
15 | |||
16 | dw gdte-$-1 |
||
17 | dd gdts |
||
18 | dw 0 |
||
19 | |||
20 | int_code_l: |
||
21 | os_code_l: |
||
22 | |||
23 | dw 0xffff |
||
24 | dw 0x0000 |
||
25 | db 0x00 |
||
26 | dw 11011111b *256 +10011010b |
||
27 | db 0x00 |
||
28 | |||
29 | int_data_l: |
||
30 | os_data_l: |
||
31 | |||
32 | dw 0xffff |
||
33 | dw 0x0000 |
||
34 | db 0x00 |
||
35 | dw 11011111b *256 +10010010b |
||
36 | db 0x00 |
||
37 | |||
38 | app_code_l: |
||
4 | poddubny | 39 | dw ((0x80000000-std_application_base_address) shr 12) and 0xffff |
40 | dw 0 |
||
41 | db 0 |
||
42 | dw 11010000b*256+11111010b+256*((0x80000000-std_application_base_address) shr 28) |
||
43 | db std_application_base_address shr 24 |
||
1 | ha | 44 | |
45 | app_data_l: |
||
4 | poddubny | 46 | dw (0x80000000-std_application_base_address) shr 12 and 0xffff |
47 | dw 0 |
||
48 | db 0 |
||
49 | dw 11010000b*256+11110010b+256*((0x80000000-std_application_base_address) shr 28) |
||
50 | db std_application_base_address shr 24 |
||
1 | ha | 51 | |
8 | poddubny | 52 | graph_data_l: |
1 | ha | 53 | |
8 | poddubny | 54 | dw 0x3ff |
55 | dw 0x0000 |
||
56 | db 0x00 |
||
57 | dw 11010000b *256 +11110010b |
||
58 | db 0x00 |
||
59 | |||
60 | tss0_l: |
||
61 | times (max_processes+10) dd 0,0 |
||
62 | |||
1 | ha | 63 | gdte: |
64 | |||
65 | |||
66 | |||
67 | idtreg: |
||
68 | dw 8*0x41-1 |
||
69 | dd idts+8 |
||
70 | label idts at 0xB100-8 |
||
71 | |||
72 | |||
73 | |||
8 | poddubny | 74 | uglobal |
75 | tss_sceleton: |
||
76 | l.back dw 0,0 |
||
77 | l.esp0 dd 0 |
||
78 | l.ss0 dw 0,0 |
||
79 | l.esp1 dd 0 |
||
80 | l.ss1 dw 0,0 |
||
81 | l.esp2 dd 0 |
||
82 | l.ss2 dw 0,0 |
||
83 | l.cr3 dd 0 |
||
84 | l.eip dd 0 |
||
85 | l.eflags dd 0 |
||
86 | l.eax dd 0 |
||
87 | l.ecx dd 0 |
||
88 | l.edx dd 0 |
||
89 | l.ebx dd 0 |
||
90 | l.esp dd 0 |
||
91 | l.ebp dd 0 |
||
92 | l.esi dd 0 |
||
93 | l.edi dd 0 |
||
94 | l.es dw 0,0 |
||
95 | l.cs dw 0,0 |
||
96 | l.ss dw 0,0 |
||
97 | l.ds dw 0,0 |
||
98 | l.fs dw 0,0 |
||
99 | l.gs dw 0,0 |
||
100 | l.ldt dw 0,0 |
||
101 | l.trap dw 0 |
||
102 | l.io dw 0 |
||
103 | endg |
||
104 | |||
105 | |||
1 | ha | 106 | build_process_gdt_tss_pointer: |
107 | |||
108 | mov ecx,tss_data |
||
109 | mov edi,0 |
||
110 | setgdtl2: |
||
111 | mov [edi+gdts+ tss0 +0], word tss_step |
||
112 | mov [edi+gdts+ tss0 +2], cx |
||
113 | mov eax,ecx |
||
114 | shr eax,16 |
||
115 | mov [edi+gdts+ tss0 +4], al |
||
116 | mov [edi+gdts+ tss0 +7], ah |
||
117 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
||
118 | add ecx,tss_step |
||
119 | add edi,8 |
||
120 | cmp edi,8*(max_processes+5) |
||
121 | jbe setgdtl2 |
||
122 | |||
123 | ret |
||
124 | |||
125 | |||
126 | build_interrupt_table: |
||
127 | |||
6 | poddubny | 128 | mov edi, idts+8 |
129 | mov esi, sys_int |
||
8 | poddubny | 130 | mov ecx, 0x40 |
6 | poddubny | 131 | @@: |
132 | mov eax, [esi] |
||
133 | mov [edi], ax ; lower part of offset |
||
134 | mov [edi+2], word os_code ; segment selector |
||
135 | shr eax, 16 |
||
136 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
||
137 | mov [edi+6], ax |
||
138 | add esi, 4 |
||
139 | add edi, 8 |
||
140 | dec ecx |
||
141 | jnz @b |
||
8 | poddubny | 142 | |
143 | ;mov edi,8*0x40+idts+8 |
||
3 | halyavin | 144 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
145 | mov [edi + 2], word os_code |
||
146 | mov [edi + 4], word 11101110b*256 |
||
9 | halyavin | 147 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 148 | |
149 | ret |
||
150 | |||
151 | |||
152 | |||
153 | iglobal |
||
154 | sys_int: |
||
8 | poddubny | 155 | dd e0,e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15 |
156 | dd e16,e17 |
||
1 | ha | 157 | times 14 dd unknown_interrupt |
158 | |||
159 | dd irq0 ,irq1 ,p_irq2 ,p_irq3 ,p_irq4 ,p_irq5,p_irq6 ,p_irq7 |
||
160 | dd p_irq8,p_irq9,p_irq10,p_irq11,p_irq12,irqD ,p_irq14,p_irq15 |
||
161 | |||
162 | times 16 dd unknown_interrupt |
||
163 | |||
164 | dd i40 |
||
165 | endg |
||
166 | |||
8 | poddubny | 167 | ; simply return control to interrupted process |
168 | unknown_interrupt: |
||
169 | iret |
||
1 | ha | 170 | |
8 | poddubny | 171 | macro exceptions [num] |
172 | { |
||
173 | forward |
||
174 | e#num : |
||
175 | mov bl, num |
||
176 | jmp exc_c |
||
177 | } |
||
1 | ha | 178 | |
8 | poddubny | 179 | exceptions 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 |
180 | exc_c: |
||
6 | poddubny | 181 | mov ax, os_data |
182 | mov ds, ax |
||
183 | mov es, ax |
||
1 | ha | 184 | |
8 | poddubny | 185 | movzx eax, bl |
186 | mov [error_interrupt], eax |
||
1 | ha | 187 | call show_error_parameters |
8 | poddubny | 188 | |
189 | mov edx, [0x3010] |
||
190 | mov [edx + 0xA], byte 4 |
||
191 | |||
1 | ha | 192 | jmp change_task |
193 | |||
194 | |||
195 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
196 | ;; FPU ERROR HANDLER ;; |
||
197 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
198 | |||
199 | align 4 |
||
8 | poddubny | 200 | e7: |
6 | poddubny | 201 | clts |
202 | |||
203 | push eax |
||
204 | push ds es |
||
205 | |||
206 | mov ax, os_data |
||
207 | mov ds, ax |
||
208 | mov es, ax |
||
209 | |||
210 | mov eax, [prev_user_of_fpu] |
||
211 | shl eax, 8 |
||
212 | add eax, 0x80000 + 0x10 |
||
213 | fsave [eax] |
||
214 | |||
215 | mov eax, [0x3000] |
||
216 | mov [prev_user_of_fpu], eax |
||
217 | shl eax, 8 |
||
218 | add eax, 0x80000 |
||
219 | cmp [eax + 0x7f], byte 0 |
||
220 | je @f |
||
221 | frstor [eax+0x10] |
||
222 | @@: |
||
223 | mov [eax + 0x7f], byte 1 |
||
224 | |||
225 | pop es ds |
||
226 | pop eax |
||
227 | |||
228 | iret |
||
229 | |||
230 | iglobal |
||
231 | prev_user_of_fpu dd 1 |
||
232 | endg |
||
1 | ha | 233 | |
234 | |||
235 | writehex: |
||
236 | pusha |
||
8 | poddubny | 237 | |
238 | mov edi, [write_error_to] |
||
239 | mov esi, 8 |
||
240 | @@: |
||
241 | mov ecx, eax |
||
242 | and ecx, 0xf |
||
1 | ha | 243 | |
8 | poddubny | 244 | mov cl,[ecx+hexletters] |
1 | ha | 245 | mov [edi],cl |
8 | poddubny | 246 | dec edi |
1 | ha | 247 | |
8 | poddubny | 248 | shr eax,4 |
1 | ha | 249 | dec esi |
8 | poddubny | 250 | jnz @b |
1 | ha | 251 | |
252 | popa |
||
253 | ret |
||
254 | |||
255 | iglobal |
||
256 | hexletters db '0123456789ABCDEF' |
||
257 | |||
258 | error_interrupt dd -1 |
||
259 | |||
260 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
||
261 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
||
262 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
||
263 | system_error db 'K : Kernel error',13,10,0 |
||
264 | endg |
||
265 | |||
266 | uglobal |
||
267 | write_error_to dd 0x0 |
||
268 | endg |
||
269 | |||
270 | show_error_parameters: |
||
271 | |||
272 | mov [write_error_to],process_pid+43 |
||
273 | mov eax,[0x3000] |
||
274 | shl eax, 5 |
||
275 | mov eax,[0x3000+4+eax] |
||
276 | call writehex |
||
277 | |||
278 | mov [write_error_to],process_error+43 |
||
279 | mov eax,[error_interrupt] |
||
280 | call writehex |
||
281 | |||
282 | mov eax,[0x3000] |
||
283 | shl eax,8 |
||
8 | poddubny | 284 | cmp [0x80000+eax+0xB0],byte 0 |
1 | ha | 285 | jnz .system_error |
286 | |||
287 | mov eax,[0x3000] |
||
288 | imul eax,tss_step |
||
289 | mov eax,[eax+tss_data+l.eip-tss_sceleton] |
||
290 | .out_eip: |
||
291 | mov [write_error_to],process_eip+43 |
||
292 | call writehex |
||
293 | |||
294 | mov esi,process_error |
||
295 | call sys_msg_board_str |
||
296 | |||
297 | mov esi,process_pid |
||
298 | call sys_msg_board_str |
||
299 | |||
300 | mov esi,process_eip |
||
301 | call sys_msg_board_str |
||
302 | |||
303 | ret |
||
304 | |||
305 | .system_error: |
||
306 | mov esi,system_error |
||
307 | call sys_msg_board_str |
||
308 | mov eax,[0x3000] |
||
309 | shl eax,7 |
||
310 | mov eax,[eax+0x298000+l.eip-tss_sceleton] |
||
311 | jmp .out_eip |
||
312 | |||
313 | |||
314 | |||
315 | |||
6 | poddubny | 316 | ; irq1 -> hid/keyboard.inc |
1 | ha | 317 | |
318 | |||
8 | poddubny | 319 | macro irqhh [num] |
320 | { |
||
321 | forward |
||
322 | p_irq#num : |
||
323 | pushad |
||
324 | mov edi, num |
||
325 | jmp irq_c |
||
326 | } |
||
1 | ha | 327 | |
8 | poddubny | 328 | irqhh 2,3,4,5,6,7,8,9,10,11,12,14,15 |
1 | ha | 329 | |
8 | poddubny | 330 | irq_c: |
331 | push ds es |
||
332 | mov ax, os_data |
||
333 | mov ds, ax |
||
334 | mov es, ax |
||
1 | ha | 335 | call irqhandler |
8 | poddubny | 336 | pop es ds |
337 | popad |
||
338 | iret |
||
339 | |||
6 | poddubny | 340 | irqD: |
8 | poddubny | 341 | pushad |
342 | push ds es |
||
343 | mov ax, os_data |
||
344 | mov ds, ax |
||
345 | mov es, ax |
||
346 | |||
6 | poddubny | 347 | mov dx,0xf0 |
348 | mov al,0 |
||
349 | out dx,al |
||
1 | ha | 350 | |
6 | poddubny | 351 | mov dx,0xa0 |
352 | mov al,0x20 |
||
353 | out dx,al |
||
354 | mov dx,0x20 |
||
8 | poddubny | 355 | out dx,al |
6 | poddubny | 356 | |
8 | poddubny | 357 | pop es ds |
358 | popad |
||
359 | iret |
||
1 | ha | 360 | |
361 | |||
362 | |||
363 | irqhandler: |
||
364 | |||
365 | push edi |
||
366 | |||
367 | mov esi,edi ; 1 |
||
368 | shl esi,6 ; 1 |
||
369 | add esi,irq00read ; 1 |
||
370 | shl edi,12 ; 1 |
||
371 | add edi,0x2E0000 |
||
372 | |||
373 | mov [check_idle_semaphore],5 |
||
374 | |||
375 | irqnewread: |
||
376 | |||
377 | mov dx,[esi] ; 2+ |
||
378 | |||
379 | cmp dx,0 ; 1 |
||
380 | jz irqover |
||
381 | cmp [esi+3],byte 1 ; 2 ; byte read |
||
382 | jne noirqbyte ; 4-11 |
||
383 | |||
384 | in al,dx |
||
385 | |||
386 | mov edx,[edi] |
||
387 | cmp edx,4000 |
||
388 | je irqfull |
||
389 | mov ebx,edi |
||
390 | add ebx,0x10 |
||
391 | add ebx,edx |
||
392 | mov [ebx],al |
||
393 | inc edx |
||
394 | mov [edi],edx |
||
395 | |||
396 | add esi,4 |
||
397 | jmp irqnewread |
||
398 | |||
399 | noirqbyte: |
||
400 | |||
401 | |||
402 | cmp [esi+3],byte 2 ; word read |
||
403 | jne noirqword |
||
404 | |||
405 | in ax,dx |
||
406 | |||
407 | mov edx,[edi] |
||
408 | cmp edx,4000 |
||
409 | je irqfull |
||
410 | mov ebx,edi |
||
411 | add ebx,0x10 |
||
412 | add ebx,edx |
||
413 | mov [ebx],ax |
||
414 | add edx,2 |
||
415 | mov [edi],edx |
||
416 | add esi,4 |
||
417 | jmp irqnewread |
||
418 | |||
419 | noirqword: |
||
420 | irqfull: |
||
421 | irqover: |
||
422 | |||
423 | mov al,0x20 ; ready for next irq |
||
424 | out 0x20,al |
||
425 | |||
426 | pop ebx |
||
427 | cmp ebx,7 |
||
428 | jbe noa0 |
||
429 | out 0xa0,al |
||
430 | noa0: |
||
431 | |||
432 | ret |
||
433 | |||
434 | |||
435 | |||
436 | set_application_table_status: |
||
437 | push eax |
||
438 | |||
439 | mov eax,[0x3000] |
||
440 | shl eax, 5 |
||
441 | add eax,0x3000+4 |
||
442 | mov eax,[eax] |
||
443 | |||
444 | mov [application_table_status],eax |
||
445 | |||
446 | pop eax |
||
447 | |||
448 | ret |
||
449 | |||
450 | |||
451 | clear_application_table_status: |
||
452 | push eax |
||
453 | |||
454 | mov eax,[0x3000] |
||
455 | shl eax, 5 |
||
456 | add eax,0x3000+4 |
||
457 | mov eax,[eax] |
||
458 | |||
459 | cmp eax,[application_table_status] |
||
460 | jne apptsl1 |
||
461 | mov [application_table_status],0 |
||
462 | apptsl1: |
||
463 | |||
464 | pop eax |
||
465 | |||
466 | ret |
||
467 | |||
468 | |||
469 | |||
470 | sys_resize_app_memory: |
||
471 | ; eax = 1 - resize |
||
472 | ; ebx = new amount of memory |
||
473 | |||
474 | cmp eax,1 |
||
4 | poddubny | 475 | jne .no_application_mem_resize |
1 | ha | 476 | |
4 | poddubny | 477 | jmp new_mem_resize ;resize for new type of processes |
1 | ha | 478 | |
479 | |||
4 | poddubny | 480 | .no_application_mem_resize: |
1 | ha | 481 | |
482 | ret |
||
483 | |||
484 | |||
485 | |||
486 | get_app_params: |
||
487 | |||
488 | push eax |
||
489 | |||
490 | cmp [0x90000+6],word '00' |
||
491 | jne no_00_header |
||
492 | |||
493 | mov eax,[0x90000+12] |
||
494 | mov [app_start],eax |
||
495 | mov eax,[0x90000+16] |
||
496 | mov [app_i_end],eax |
||
497 | mov eax,[0x90000+20] |
||
498 | mov [app_mem],eax |
||
499 | shr eax,1 |
||
500 | sub eax,0x10 |
||
501 | mov [app_esp],eax |
||
502 | mov eax,[0x90000+24] |
||
503 | mov [app_i_param],eax |
||
504 | mov [app_i_icon],dword 0 |
||
505 | |||
506 | pop eax |
||
507 | mov esi,1 |
||
508 | ret |
||
509 | |||
510 | no_00_header: |
||
511 | |||
512 | |||
513 | cmp [0x90000+6],word '01' |
||
514 | jne no_01_header |
||
515 | |||
516 | mov eax,[0x90000+12] |
||
517 | mov [app_start],eax |
||
518 | mov eax,[0x90000+16] |
||
519 | mov [app_i_end],eax |
||
520 | mov eax,[0x90000+20] |
||
521 | mov [app_mem],eax |
||
522 | mov eax,[0x90000+24] |
||
523 | mov [app_esp],eax |
||
524 | mov eax,[0x90000+28] |
||
525 | mov [app_i_param],eax |
||
526 | mov eax,[0x90000+32] |
||
527 | mov [app_i_icon],eax |
||
528 | |||
529 | pop eax |
||
530 | mov esi,1 |
||
531 | ret |
||
532 | |||
533 | no_01_header: |
||
534 | |||
535 | pop eax |
||
536 | mov esi,0 |
||
537 | ret |
||
538 | |||
539 | |||
540 | start_application_fl: |
||
541 | jmp new_start_application_fl |
||
542 | |||
543 | ;************************************************************************ |
||
544 | |||
545 | start_application_floppy: |
||
546 | jmp new_start_application_floppy |
||
547 | |||
548 | ;******************************************************************** |
||
549 | |||
550 | start_application_hd: |
||
551 | jmp new_start_application_hd |
||
552 | |||
553 | uglobal |
||
554 | new_process_place dd 0x0 |
||
555 | app_start dd 0x0 |
||
556 | app_i_end dd 0x0 |
||
557 | app_mem dd 0x0 |
||
558 | app_esp dd 0x0 |
||
559 | app_i_param dd 0x0 |
||
560 | app_i_icon dd 0x0 |
||
561 | app_mem_pos dd 0x0 |
||
5 | halyavin | 562 | appl_path dd 0x0 |
563 | appl_path_size dd 0x0 |
||
1 | ha | 564 | endg |
565 | |||
566 | iglobal |
||
567 | hd_app_string db 'HDAPP ' |
||
568 | process_loading db 'K : Process - loading ',13,10,0 |
||
569 | process_running db 'K : Process - done',13,10,0 |
||
570 | first_gdt_search dd 0x2 |
||
571 | endg |
||
572 | |||
573 | |||
574 | sys_threads: |
||
575 | |||
576 | ; eax=1 create thread |
||
577 | ; |
||
578 | ; ebx=thread start |
||
579 | ; ecx=thread stack value |
||
580 | ; |
||
581 | ; on return : eax = pid |
||
582 | jmp new_sys_threads |
||
583 | |||
584 | iglobal |
||
585 | process_terminating db 'K : Process - terminating',13,10,0 |
||
586 | process_terminated db 'K : Process - done',13,10,0 |
||
587 | endg |
||
588 | |||
589 | |||
590 | terminate: ; terminate application |
||
591 | push esi |
||
592 | mov esi,process_terminating |
||
593 | call sys_msg_board_str |
||
594 | pop esi |
||
595 | |||
596 | cli |
||
597 | cmp [application_table_status],0 |
||
598 | je term9 |
||
599 | sti |
||
600 | call change_task |
||
601 | jmp terminate |
||
602 | term9: |
||
603 | |||
604 | call set_application_table_status |
||
605 | |||
606 | mov eax,esi |
||
607 | call dispose_app_cr3_table |
||
608 | |||
609 | cmp [prev_user_of_fpu],esi ; if user fpu last -> fpu user = 1 |
||
610 | jne fpu_ok_1 |
||
611 | mov [prev_user_of_fpu],1 |
||
612 | fpu_ok_1: |
||
613 | |||
614 | mov [0xf400],byte 0 ; empty keyboard buffer |
||
615 | mov [0xf500],byte 0 ; empty button buffer |
||
616 | |||
617 | |||
618 | mov ecx,esi ; remove buttons |
||
619 | bnewba2: |
||
620 | mov edi,[0xfe88] |
||
621 | mov eax,edi |
||
622 | cld |
||
623 | movzx ebx,word [edi] |
||
624 | inc bx |
||
625 | bnewba: |
||
626 | dec bx |
||
627 | jz bnmba |
||
628 | add eax,0x10 |
||
629 | cmp cx,[eax] |
||
630 | jnz bnewba |
||
631 | pusha |
||
632 | mov ecx,ebx |
||
633 | inc ecx |
||
634 | shl ecx,4 |
||
635 | mov ebx,eax |
||
636 | add eax,0x10 |
||
637 | call memmove |
||
638 | dec dword [edi] |
||
639 | popa |
||
640 | jmp bnewba2 |
||
641 | bnmba: |
||
642 | |||
643 | pusha ; save window coordinates for window restoring |
||
644 | cld |
||
645 | shl esi,5 |
||
646 | add esi,window_data |
||
647 | mov ax,[esi+0] |
||
648 | mov word [dlx],ax |
||
649 | mov bx,[esi+8] |
||
650 | add ax,bx |
||
651 | mov word [dlxe],ax |
||
652 | mov ax,[esi+4] |
||
653 | mov word [dly],ax |
||
654 | mov bx,[esi+12] |
||
655 | add ax,bx |
||
656 | mov word [dlye],ax |
||
657 | mov [esi+0],word 0 |
||
658 | mov [esi+8],word 5 |
||
659 | mov ax,[0xFE04] |
||
660 | mov [esi+4],ax |
||
661 | mov [esi+12],word 5 |
||
662 | xor eax, eax |
||
663 | mov [esi+16],eax;dword 0 |
||
664 | mov [esi+20],eax;dword 0 |
||
665 | mov [esi+24],eax;dword 0 |
||
666 | mov [esi+28],eax;dword 0 |
||
667 | popa |
||
668 | |||
669 | pusha |
||
670 | mov edi,esi |
||
671 | shl edi,5 |
||
672 | add edi,window_data |
||
673 | mov ecx,32/4 |
||
674 | xor eax, eax |
||
675 | ; cld |
||
676 | rep stosd |
||
677 | |||
678 | mov eax,[0xFE04] ; set window to start from maxy+1 |
||
679 | add eax,2 |
||
680 | |||
681 | mov edi,esi |
||
682 | shl edi,5 |
||
683 | add edi,window_data |
||
684 | mov [edi+4],eax |
||
685 | |||
686 | popa |
||
687 | |||
688 | pusha |
||
689 | mov edi,esi |
||
690 | shl edi,5 |
||
691 | add edi,draw_data |
||
692 | mov ecx,32/4 |
||
693 | xor eax, eax |
||
694 | ; cld |
||
695 | rep stosd |
||
696 | popa |
||
697 | |||
698 | pusha ; at 0x80000+ |
||
699 | mov edi,esi |
||
700 | shl edi,8 |
||
701 | add edi,0x80000 |
||
702 | mov ecx,256/4 |
||
703 | xor eax, eax |
||
704 | ; cld |
||
705 | rep stosd |
||
706 | popa |
||
707 | |||
708 | pusha ; name to spaces |
||
709 | mov edi,esi |
||
710 | shl edi,8 |
||
711 | add edi,0x80000 |
||
712 | mov ecx,11 |
||
713 | mov eax,' ' |
||
714 | ; cld |
||
715 | rep stosb |
||
716 | popa |
||
717 | |||
718 | pusha ; C000 --> C400 |
||
719 | mov eax, 0xc000 |
||
720 | mov esi, 0 |
||
721 | nlc40: |
||
722 | add eax, 2 |
||
723 | inc esi |
||
724 | cmp esi, [0x3004] |
||
725 | jae nlc41 |
||
726 | movzx ecx, word [eax] |
||
727 | mov [0xC400 + ecx*2], si |
||
728 | jmp nlc40 |
||
729 | nlc41: |
||
730 | popa |
||
731 | |||
732 | pusha ; remove hd1 reservation |
||
733 | mov edx,esi |
||
734 | shl edx, 5 ;imul edx,0x20 |
||
735 | add edx,0x3000 |
||
736 | mov edx,[edx+4] |
||
737 | cmp [hd1_status],edx |
||
738 | jne no_hd1_s_remove |
||
739 | mov [hd1_status],0 |
||
740 | no_hd1_s_remove: |
||
741 | popa |
||
742 | |||
743 | pusha ; remove all irq reservations |
||
744 | mov edx,esi |
||
745 | shl edx, 5 ;imul edx,0x20 |
||
746 | add edx,0x3000 |
||
747 | mov edx,[edx+4] |
||
748 | mov edi,irq_owner |
||
749 | mov ecx,16 |
||
750 | newirqfree: |
||
751 | cmp [edi],edx |
||
752 | jne nofreeirq |
||
753 | mov [edi],dword 0 |
||
754 | nofreeirq: |
||
755 | add edi,4 |
||
756 | loop newirqfree |
||
757 | popa |
||
758 | |||
759 | |||
760 | pusha ; remove all port reservations |
||
761 | |||
762 | mov edx,esi |
||
763 | shl edx, 5 ;imul edx,0x20 |
||
764 | add edx,0x3000 |
||
765 | mov edx,[edx+4] |
||
766 | |||
767 | rmpr0: |
||
768 | |||
769 | mov esi,[0x2d0000] |
||
770 | |||
771 | cmp esi,0 |
||
772 | je rmpr9 |
||
773 | |||
774 | rmpr3: |
||
775 | |||
776 | mov edi,esi |
||
777 | shl edi,4 |
||
778 | add edi,0x2d0000 |
||
779 | |||
780 | cmp edx,[edi] |
||
781 | je rmpr4 |
||
782 | |||
783 | dec esi |
||
784 | jnz rmpr3 |
||
785 | |||
786 | jmp rmpr9 |
||
787 | |||
788 | rmpr4: |
||
789 | |||
790 | mov ecx,256 |
||
791 | sub ecx,esi |
||
792 | shl ecx,4 |
||
793 | |||
794 | mov esi,edi |
||
795 | add esi,16 |
||
796 | cld |
||
797 | rep movsb |
||
798 | |||
799 | dec dword [0x2d0000] |
||
800 | |||
801 | jmp rmpr0 |
||
802 | |||
803 | rmpr9: |
||
804 | |||
805 | popa |
||
806 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 807 | shl edi, 5 |
1 | ha | 808 | mov [edi+0x300A],byte 9 |
809 | ; call systest |
||
810 | sti ; .. and life goes on |
||
811 | |||
812 | ; movzx eax,word [dlx] |
||
813 | ; movzx ebx,word [dly] |
||
814 | ; movzx ecx,word [dlxe] |
||
815 | ; movzx edx,word [dlye] |
||
816 | call calculatescreen |
||
817 | |||
818 | xor eax, eax |
||
819 | xor esi, esi |
||
820 | call redrawscreen |
||
821 | |||
822 | mov [0xfff4],byte 0 ; no mouse background |
||
823 | mov [0xfff5],byte 0 ; draw mouse |
||
824 | |||
825 | mov [application_table_status],0 |
||
826 | |||
827 | mov esi,process_terminated |
||
828 | call sys_msg_board_str |
||
829 | |||
830 | ;* start code - fix error redraw for terminate (2) - Mario79 |
||
831 | ; cmp [draw_present],1 |
||
832 | ; je no_draw_background_temp |
||
833 | ; mov [0xfff0],byte 1 |
||
834 | ;no_draw_background_temp: |
||
835 | ; mov [draw_present],0 |
||
836 | ret |
||
837 | ;draw_present db 0 |
||
838 | ;* end code - fix error redraw for terminate (2) - Mario79 |
||
839 | |||
840 | iglobal |
||
841 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 842 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 843 | endg |
844 | |||
845 | |||
846 | build_scheduler: |
||
847 | |||
848 | mov esi,boot_sched_1 |
||
849 | call boot_log |
||
850 | call build_process_gdt_tss_pointer |
||
851 | |||
8 | poddubny | 852 | mov esi,boot_sched_2 |
1 | ha | 853 | call boot_log |
854 | call build_interrupt_table |
||
855 | |||
856 | ret |
||
857 |