Commit | Line | Data |
---|---|---|
22d68ad0 BJ |
1 | %union { |
2 | char *str; | |
3 | int val; | |
36edb824 | 4 | struct file_list *file; |
22d68ad0 BJ |
5 | struct idlst *lst; |
6 | } | |
7 | ||
36edb824 SL |
8 | %token AND |
9 | %token ANY | |
10 | %token ARGS | |
11 | %token AT | |
12 | %token COMMA | |
13 | %token CONFIG | |
14 | %token CONTROLLER | |
15 | %token CPU | |
16 | %token CSR | |
17 | %token DEVICE | |
18 | %token DISK | |
19 | %token DRIVE | |
20 | %token DST | |
21 | %token DUMPS | |
22 | %token EQUALS | |
23 | %token FLAGS | |
24 | %token HZ | |
25 | %token IDENT | |
f025f13d | 26 | %token MACHINE |
36edb824 SL |
27 | %token MAJOR |
28 | %token MASTER | |
29 | %token MAXUSERS | |
30 | %token MBA | |
31 | %token MINOR | |
32 | %token MINUS | |
33 | %token NEXUS | |
34 | %token ON | |
35 | %token OPTIONS | |
7c1d4665 | 36 | %token MAKEOPTIONS |
36edb824 SL |
37 | %token PRIORITY |
38 | %token PSEUDO_DEVICE | |
39 | %token ROOT | |
40 | %token SEMICOLON | |
41 | %token SIZE | |
42 | %token SLAVE | |
43 | %token SWAP | |
44 | %token TIMEZONE | |
45 | %token TRACE | |
46 | %token UBA | |
a0105456 | 47 | %token VBA |
36edb824 | 48 | %token VECTOR |
22d68ad0 BJ |
49 | |
50 | %token <str> ID | |
51 | %token <val> NUMBER | |
52 | %token <val> FPNUMBER | |
53 | ||
54 | %type <str> Save_id | |
55 | %type <str> Opt_value | |
56 | %type <str> Dev | |
57 | %type <lst> Id_list | |
36edb824 SL |
58 | %type <val> optional_size |
59 | %type <str> device_name | |
60 | %type <val> major_minor | |
61 | %type <val> arg_device_spec | |
62 | %type <val> root_device_spec | |
63 | %type <val> dump_device_spec | |
64 | %type <file> swap_device_spec | |
22d68ad0 | 65 | |
2f47f1cc | 66 | %{ |
0bf41cfc | 67 | |
cd68466f DF |
68 | /* |
69 | * Copyright (c) 1980 Regents of the University of California. | |
70 | * All rights reserved. The Berkeley software License Agreement | |
71 | * specifies the terms and conditions for redistribution. | |
72 | * | |
a0105456 | 73 | * @(#)config.y 5.3 (Berkeley) %G% |
cd68466f | 74 | */ |
0bf41cfc | 75 | |
2f47f1cc | 76 | #include "config.h" |
36edb824 | 77 | #include <ctype.h> |
2f47f1cc | 78 | #include <stdio.h> |
f025f13d BJ |
79 | |
80 | struct device cur; | |
81 | struct device *curp = 0; | |
82 | char *temp_id; | |
83 | char *val_id; | |
22d68ad0 | 84 | char *malloc(); |
f025f13d | 85 | |
2f47f1cc MT |
86 | %} |
87 | %% | |
88 | Configuration: | |
89 | Many_specs | |
36edb824 | 90 | = { verifysystemspecs(); } |
22d68ad0 | 91 | ; |
2f47f1cc MT |
92 | |
93 | Many_specs: | |
94 | Many_specs Spec | |
22d68ad0 BJ |
95 | | |
96 | /* lambda */ | |
97 | ; | |
2f47f1cc MT |
98 | |
99 | Spec: | |
22d68ad0 BJ |
100 | Device_spec SEMICOLON |
101 | = { newdev(&cur); } | | |
102 | Config_spec SEMICOLON | |
103 | | | |
104 | TRACE SEMICOLON | |
105 | = { do_trace = !do_trace; } | | |
106 | SEMICOLON | |
107 | | | |
2f47f1cc | 108 | error SEMICOLON |
22d68ad0 | 109 | ; |
2f47f1cc MT |
110 | |
111 | Config_spec: | |
22d68ad0 BJ |
112 | MACHINE Save_id |
113 | = { | |
0bf41cfc BJ |
114 | if (!strcmp($2, "vax")) { |
115 | machine = MACHINE_VAX; | |
116 | machinename = "vax"; | |
a0105456 SL |
117 | } else if (!strcmp($2, "tahoe")) { |
118 | machine = MACHINE_TAHOE; | |
119 | machinename = "tahoe"; | |
0bf41cfc BJ |
120 | } else |
121 | yyerror("Unknown machine type"); | |
22d68ad0 BJ |
122 | } | |
123 | CPU Save_id | |
124 | = { | |
125 | struct cputype *cp = | |
126 | (struct cputype *)malloc(sizeof (struct cputype)); | |
127 | cp->cpu_name = ns($2); | |
128 | cp->cpu_next = cputype; | |
129 | cputype = cp; | |
130 | free(temp_id); | |
131 | } | | |
132 | OPTIONS Opt_list | |
133 | | | |
7c1d4665 MK |
134 | MAKEOPTIONS Mkopt_list |
135 | | | |
22d68ad0 BJ |
136 | IDENT ID |
137 | = { ident = ns($2); } | | |
36edb824 SL |
138 | System_spec |
139 | | | |
22d68ad0 BJ |
140 | HZ NUMBER |
141 | = { yyerror("HZ specification obsolete; delete"); } | | |
142 | TIMEZONE NUMBER | |
143 | = { timezone = 60 * $2; check_tz(); } | | |
c00c470f SL |
144 | TIMEZONE NUMBER DST NUMBER |
145 | = { timezone = 60 * $2; dst = $4; check_tz(); } | | |
22d68ad0 BJ |
146 | TIMEZONE NUMBER DST |
147 | = { timezone = 60 * $2; dst = 1; check_tz(); } | | |
148 | TIMEZONE FPNUMBER | |
149 | = { timezone = $2; check_tz(); } | | |
c00c470f SL |
150 | TIMEZONE FPNUMBER DST NUMBER |
151 | = { timezone = $2; dst = $4; check_tz(); } | | |
22d68ad0 BJ |
152 | TIMEZONE FPNUMBER DST |
153 | = { timezone = $2; dst = 1; check_tz(); } | | |
154 | TIMEZONE MINUS NUMBER | |
155 | = { timezone = -60 * $3; check_tz(); } | | |
c00c470f SL |
156 | TIMEZONE MINUS NUMBER DST NUMBER |
157 | = { timezone = -60 * $3; dst = $5; check_tz(); } | | |
22d68ad0 BJ |
158 | TIMEZONE MINUS NUMBER DST |
159 | = { timezone = -60 * $3; dst = 1; check_tz(); } | | |
160 | TIMEZONE MINUS FPNUMBER | |
161 | = { timezone = -$3; check_tz(); } | | |
c00c470f SL |
162 | TIMEZONE MINUS FPNUMBER DST NUMBER |
163 | = { timezone = -$3; dst = $5; check_tz(); } | | |
22d68ad0 BJ |
164 | TIMEZONE MINUS FPNUMBER DST |
165 | = { timezone = -$3; dst = 1; check_tz(); } | | |
166 | MAXUSERS NUMBER | |
167 | = { maxusers = $2; }; | |
2f47f1cc | 168 | |
36edb824 SL |
169 | System_spec: |
170 | System_id System_parameter_list | |
171 | = { checksystemspec(*confp); } | |
172 | ; | |
173 | ||
174 | System_id: | |
175 | CONFIG Save_id | |
176 | = { mkconf($2); } | |
177 | ; | |
178 | ||
179 | System_parameter_list: | |
180 | System_parameter_list System_parameter | |
181 | | System_parameter | |
182 | ; | |
183 | ||
184 | System_parameter: | |
185 | swap_spec | |
186 | | root_spec | |
187 | | dump_spec | |
188 | | arg_spec | |
189 | ; | |
190 | ||
191 | swap_spec: | |
192 | SWAP optional_on swap_device_list | |
193 | ; | |
194 | ||
195 | swap_device_list: | |
196 | swap_device_list AND swap_device | |
197 | | swap_device | |
198 | ; | |
199 | ||
200 | swap_device: | |
201 | swap_device_spec optional_size | |
202 | = { mkswap(*confp, $1, $2); } | |
203 | ; | |
204 | ||
205 | swap_device_spec: | |
206 | device_name | |
207 | = { | |
208 | struct file_list *fl = newswap(); | |
209 | ||
210 | if (eq($1, "generic")) | |
211 | fl->f_fn = $1; | |
212 | else { | |
213 | fl->f_swapdev = nametodev($1, 0, 'b'); | |
214 | fl->f_fn = devtoname(fl->f_swapdev); | |
215 | } | |
216 | $$ = fl; | |
217 | } | |
218 | | major_minor | |
219 | = { | |
220 | struct file_list *fl = newswap(); | |
221 | ||
222 | fl->f_swapdev = $1; | |
223 | fl->f_fn = devtoname($1); | |
224 | $$ = fl; | |
225 | } | |
226 | ; | |
227 | ||
228 | root_spec: | |
229 | ROOT optional_on root_device_spec | |
230 | = { | |
231 | struct file_list *fl = *confp; | |
232 | ||
233 | if (fl && fl->f_rootdev != NODEV) | |
234 | yyerror("extraneous root device specification"); | |
235 | else | |
236 | fl->f_rootdev = $3; | |
237 | } | |
238 | ; | |
239 | ||
240 | root_device_spec: | |
241 | device_name | |
242 | = { $$ = nametodev($1, 0, 'a'); } | |
243 | | major_minor | |
244 | ; | |
245 | ||
246 | dump_spec: | |
247 | DUMPS optional_on dump_device_spec | |
248 | = { | |
249 | struct file_list *fl = *confp; | |
250 | ||
251 | if (fl && fl->f_dumpdev != NODEV) | |
252 | yyerror("extraneous dump device specification"); | |
253 | else | |
254 | fl->f_dumpdev = $3; | |
255 | } | |
256 | ||
257 | ; | |
258 | ||
259 | dump_device_spec: | |
260 | device_name | |
261 | = { $$ = nametodev($1, 0, 'b'); } | |
262 | | major_minor | |
263 | ; | |
264 | ||
265 | arg_spec: | |
266 | ARGS optional_on arg_device_spec | |
267 | = { | |
268 | struct file_list *fl = *confp; | |
269 | ||
270 | if (fl && fl->f_argdev != NODEV) | |
271 | yyerror("extraneous arg device specification"); | |
272 | else | |
273 | fl->f_argdev = $3; | |
274 | } | |
275 | ; | |
276 | ||
277 | arg_device_spec: | |
278 | device_name | |
279 | = { $$ = nametodev($1, 0, 'b'); } | |
280 | | major_minor | |
281 | ; | |
282 | ||
283 | major_minor: | |
284 | MAJOR NUMBER MINOR NUMBER | |
285 | = { $$ = makedev($2, $4); } | |
286 | ; | |
287 | ||
288 | optional_on: | |
289 | ON | |
290 | | /* empty */ | |
291 | ; | |
292 | ||
293 | optional_size: | |
294 | SIZE NUMBER | |
295 | = { $$ = $2; } | |
296 | | /* empty */ | |
297 | = { $$ = 0; } | |
298 | ; | |
299 | ||
300 | device_name: | |
301 | Save_id | |
302 | = { $$ = $1; } | |
303 | | Save_id NUMBER | |
304 | = { | |
305 | char buf[80]; | |
306 | ||
307 | (void) sprintf(buf, "%s%d", $1, $2); | |
308 | $$ = ns(buf); free($1); | |
309 | } | |
310 | | Save_id NUMBER ID | |
311 | = { | |
312 | char buf[80]; | |
313 | ||
314 | (void) sprintf(buf, "%s%d%s", $1, $2, $3); | |
315 | $$ = ns(buf); free($1); | |
316 | } | |
317 | ; | |
318 | ||
b1e602f2 | 319 | Opt_list: |
22d68ad0 BJ |
320 | Opt_list COMMA Option |
321 | | | |
b1e602f2 | 322 | Option |
22d68ad0 | 323 | ; |
b1e602f2 MT |
324 | |
325 | Option: | |
22d68ad0 BJ |
326 | Save_id |
327 | = { | |
328 | struct opt *op = (struct opt *)malloc(sizeof (struct opt)); | |
329 | op->op_name = ns($1); | |
330 | op->op_next = opt; | |
331 | op->op_value = 0; | |
332 | opt = op; | |
333 | free(temp_id); | |
334 | } | | |
335 | Save_id EQUALS Opt_value | |
336 | = { | |
337 | struct opt *op = (struct opt *)malloc(sizeof (struct opt)); | |
338 | op->op_name = ns($1); | |
339 | op->op_next = opt; | |
340 | op->op_value = ns($3); | |
341 | opt = op; | |
342 | free(temp_id); | |
343 | free(val_id); | |
344 | } ; | |
b1e602f2 | 345 | |
841254c0 | 346 | Opt_value: |
22d68ad0 BJ |
347 | ID |
348 | = { $$ = val_id = ns($1); } | | |
349 | NUMBER | |
350 | = { char nb[16]; $$ = val_id = ns(sprintf(nb, "%d", $1)); }; | |
841254c0 RE |
351 | |
352 | ||
2f47f1cc | 353 | Save_id: |
22d68ad0 BJ |
354 | ID |
355 | = { $$ = temp_id = ns($1); } | |
2f47f1cc | 356 | ; |
7c1d4665 MK |
357 | |
358 | Mkopt_list: | |
359 | Mkopt_list COMMA Mkoption | |
360 | | | |
361 | Mkoption | |
362 | ; | |
363 | ||
364 | Mkoption: | |
365 | Save_id EQUALS Opt_value | |
366 | = { | |
367 | struct opt *op = (struct opt *)malloc(sizeof (struct opt)); | |
368 | op->op_name = ns($1); | |
369 | op->op_next = mkopt; | |
370 | op->op_value = ns($3); | |
371 | mkopt = op; | |
372 | free(temp_id); | |
373 | free(val_id); | |
374 | } ; | |
2f47f1cc MT |
375 | |
376 | Dev: | |
22d68ad0 BJ |
377 | UBA |
378 | = { $$ = ns("uba"); } | | |
a0105456 SL |
379 | VBA |
380 | = { $$ = ns("vba"); } | | |
22d68ad0 BJ |
381 | MBA |
382 | = { $$ = ns("mba"); } | | |
383 | ID | |
384 | = { $$ = ns($1); } | |
2f47f1cc MT |
385 | ; |
386 | ||
387 | Device_spec: | |
22d68ad0 BJ |
388 | DEVICE Dev_name Dev_info Int_spec |
389 | = { cur.d_type = DEVICE; } | | |
390 | MASTER Dev_name Dev_info Int_spec | |
391 | = { cur.d_type = MASTER; } | | |
392 | DISK Dev_name Dev_info Int_spec | |
393 | = { cur.d_dk = 1; cur.d_type = DEVICE; } | | |
394 | CONTROLLER Dev_name Dev_info Int_spec | |
395 | = { cur.d_type = CONTROLLER; } | | |
396 | PSEUDO_DEVICE Init_dev Dev | |
397 | = { | |
398 | cur.d_name = $3; | |
399 | cur.d_type = PSEUDO_DEVICE; | |
400 | } | | |
401 | PSEUDO_DEVICE Init_dev Dev NUMBER | |
402 | = { | |
403 | cur.d_name = $3; | |
404 | cur.d_type = PSEUDO_DEVICE; | |
405 | cur.d_slave = $4; | |
406 | }; | |
2f47f1cc MT |
407 | |
408 | Dev_name: | |
22d68ad0 BJ |
409 | Init_dev Dev NUMBER |
410 | = { | |
411 | cur.d_name = $2; | |
412 | if (eq($2, "mba")) | |
413 | seen_mba = 1; | |
414 | else if (eq($2, "uba")) | |
415 | seen_uba = 1; | |
a0105456 SL |
416 | else if (eq($2, "vba")) |
417 | seen_vba = 1; | |
22d68ad0 BJ |
418 | cur.d_unit = $3; |
419 | }; | |
2f47f1cc MT |
420 | |
421 | Init_dev: | |
22d68ad0 BJ |
422 | /* lambda */ |
423 | = { init_dev(&cur); }; | |
2f47f1cc MT |
424 | |
425 | Dev_info: | |
426 | Con_info Info_list | |
22d68ad0 BJ |
427 | | |
428 | /* lambda */ | |
429 | ; | |
2f47f1cc MT |
430 | |
431 | Con_info: | |
22d68ad0 BJ |
432 | AT Dev NUMBER |
433 | = { | |
b1e602f2 MT |
434 | if (eq(cur.d_name, "mba") || eq(cur.d_name, "uba")) |
435 | yyerror(sprintf(errbuf, | |
22d68ad0 | 436 | "%s must be connected to a nexus", cur.d_name)); |
b1e602f2 | 437 | cur.d_conn = connect($2, $3); |
22d68ad0 BJ |
438 | } | |
439 | AT NEXUS NUMBER | |
440 | = { check_nexus(&cur, $3); cur.d_conn = TO_NEXUS; }; | |
2f47f1cc MT |
441 | |
442 | Info_list: | |
443 | Info_list Info | |
22d68ad0 BJ |
444 | | |
445 | /* lambda */ | |
446 | ; | |
2f47f1cc MT |
447 | |
448 | Info: | |
22d68ad0 BJ |
449 | CSR NUMBER |
450 | = { cur.d_addr = $2; } | | |
451 | DRIVE NUMBER | |
452 | = { cur.d_drive = $2; } | | |
453 | SLAVE NUMBER | |
454 | = { | |
455 | if (cur.d_conn != 0 && cur.d_conn != TO_NEXUS && | |
456 | cur.d_conn->d_type == MASTER) | |
b1e602f2 MT |
457 | cur.d_slave = $2; |
458 | else | |
459 | yyerror("can't specify slave--not to master"); | |
22d68ad0 BJ |
460 | } | |
461 | FLAGS NUMBER | |
462 | = { cur.d_flags = $2; }; | |
2f47f1cc MT |
463 | |
464 | Int_spec: | |
22d68ad0 BJ |
465 | VECTOR Id_list |
466 | = { cur.d_vec = $2; } | | |
467 | PRIORITY NUMBER | |
468 | = { cur.d_pri = $2; } | | |
469 | /* lambda */ | |
470 | ; | |
08f9a943 BJ |
471 | |
472 | Id_list: | |
22d68ad0 BJ |
473 | Save_id |
474 | = { | |
475 | struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst)); | |
476 | a->id = $1; a->id_next = 0; $$ = a; | |
477 | } | | |
08f9a943 | 478 | Save_id Id_list = |
22d68ad0 BJ |
479 | { |
480 | struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst)); | |
481 | a->id = $1; a->id_next = $2; $$ = a; | |
482 | }; | |
483 | ||
2f47f1cc MT |
484 | %% |
485 | ||
486 | yyerror(s) | |
f025f13d | 487 | char *s; |
2f47f1cc | 488 | { |
f025f13d | 489 | |
36edb824 | 490 | fprintf(stderr, "config: line %d: %s\n", yyline, s); |
2f47f1cc MT |
491 | } |
492 | ||
493 | /* | |
f025f13d | 494 | * return the passed string in a new space |
2f47f1cc | 495 | */ |
2f47f1cc MT |
496 | char * |
497 | ns(str) | |
f025f13d | 498 | register char *str; |
2f47f1cc MT |
499 | { |
500 | register char *cp; | |
501 | ||
22d68ad0 BJ |
502 | cp = malloc((unsigned)(strlen(str)+1)); |
503 | (void) strcpy(cp, str); | |
504 | return (cp); | |
2f47f1cc MT |
505 | } |
506 | ||
507 | /* | |
f025f13d | 508 | * add a device to the list of devices |
2f47f1cc | 509 | */ |
2f47f1cc | 510 | newdev(dp) |
f025f13d | 511 | register struct device *dp; |
2f47f1cc MT |
512 | { |
513 | register struct device *np; | |
514 | ||
515 | np = (struct device *) malloc(sizeof *np); | |
516 | *np = *dp; | |
f025f13d | 517 | if (curp == 0) |
b1e602f2 MT |
518 | dtab = np; |
519 | else | |
520 | curp->d_next = np; | |
521 | curp = np; | |
2f47f1cc MT |
522 | } |
523 | ||
524 | /* | |
f025f13d | 525 | * note that a configuration should be made |
2f47f1cc | 526 | */ |
36edb824 SL |
527 | mkconf(sysname) |
528 | char *sysname; | |
2f47f1cc | 529 | { |
36edb824 | 530 | register struct file_list *fl, **flp; |
2f47f1cc MT |
531 | |
532 | fl = (struct file_list *) malloc(sizeof *fl); | |
36edb824 SL |
533 | fl->f_type = SYSTEMSPEC; |
534 | fl->f_needs = sysname; | |
535 | fl->f_rootdev = NODEV; | |
536 | fl->f_argdev = NODEV; | |
537 | fl->f_dumpdev = NODEV; | |
538 | fl->f_fn = 0; | |
539 | fl->f_next = 0; | |
540 | for (flp = confp; *flp; flp = &(*flp)->f_next) | |
541 | ; | |
542 | *flp = fl; | |
543 | confp = flp; | |
544 | } | |
545 | ||
546 | struct file_list * | |
547 | newswap() | |
548 | { | |
549 | struct file_list *fl = (struct file_list *)malloc(sizeof (*fl)); | |
550 | ||
551 | fl->f_type = SWAPSPEC; | |
552 | fl->f_next = 0; | |
553 | fl->f_swapdev = NODEV; | |
554 | fl->f_swapsize = 0; | |
555 | fl->f_needs = 0; | |
556 | fl->f_fn = 0; | |
557 | return (fl); | |
558 | } | |
559 | ||
560 | /* | |
561 | * Add a swap device to the system's configuration | |
562 | */ | |
563 | mkswap(system, fl, size) | |
564 | struct file_list *system, *fl; | |
565 | int size; | |
566 | { | |
567 | register struct file_list **flp; | |
568 | char *cp, name[80]; | |
569 | ||
570 | if (system == 0 || system->f_type != SYSTEMSPEC) { | |
571 | yyerror("\"swap\" spec precedes \"config\" specification"); | |
572 | return; | |
573 | } | |
574 | if (size < 0) { | |
575 | yyerror("illegal swap partition size"); | |
576 | return; | |
577 | } | |
578 | /* | |
579 | * Append swap description to the end of the list. | |
580 | */ | |
581 | flp = &system->f_next; | |
582 | for (; *flp && (*flp)->f_type == SWAPSPEC; flp = &(*flp)->f_next) | |
583 | ; | |
584 | fl->f_next = *flp; | |
585 | *flp = fl; | |
8df5b824 | 586 | fl->f_swapsize = size; |
36edb824 SL |
587 | /* |
588 | * If first swap device for this system, | |
589 | * set up f_fn field to insure swap | |
590 | * files are created with unique names. | |
591 | */ | |
592 | if (system->f_fn) | |
593 | return; | |
594 | if (eq(fl->f_fn, "generic")) | |
595 | system->f_fn = ns(fl->f_fn); | |
2f47f1cc | 596 | else |
36edb824 | 597 | system->f_fn = ns(system->f_needs); |
2f47f1cc MT |
598 | } |
599 | ||
600 | /* | |
f025f13d BJ |
601 | * find the pointer to connect to the given device and number. |
602 | * returns 0 if no such device and prints an error message | |
2f47f1cc | 603 | */ |
f025f13d BJ |
604 | struct device * |
605 | connect(dev, num) | |
606 | register char *dev; | |
607 | register int num; | |
2f47f1cc MT |
608 | { |
609 | register struct device *dp; | |
f6f4af06 | 610 | struct device *huhcon(); |
2f47f1cc | 611 | |
a5e18d6b | 612 | if (num == QUES) |
f025f13d BJ |
613 | return (huhcon(dev)); |
614 | for (dp = dtab; dp != 0; dp = dp->d_next) { | |
615 | if ((num != dp->d_unit) || !eq(dev, dp->d_name)) | |
616 | continue; | |
617 | if (dp->d_type != CONTROLLER && dp->d_type != MASTER) { | |
a5e18d6b MT |
618 | yyerror(sprintf(errbuf, |
619 | "%s connected to non-controller", dev)); | |
f025f13d BJ |
620 | return (0); |
621 | } | |
622 | return (dp); | |
623 | } | |
2f47f1cc | 624 | yyerror(sprintf(errbuf, "%s %d not defined", dev, num)); |
f025f13d | 625 | return (0); |
2f47f1cc | 626 | } |
f6f4af06 MT |
627 | |
628 | /* | |
f025f13d | 629 | * connect to an unspecific thing |
f6f4af06 | 630 | */ |
f025f13d BJ |
631 | struct device * |
632 | huhcon(dev) | |
633 | register char *dev; | |
f6f4af06 | 634 | { |
f025f13d BJ |
635 | register struct device *dp, *dcp; |
636 | struct device rdev; | |
637 | int oldtype; | |
638 | ||
f6f4af06 | 639 | /* |
f025f13d | 640 | * First make certain that there are some of these to wildcard on |
f6f4af06 | 641 | */ |
f025f13d BJ |
642 | for (dp = dtab; dp != 0; dp = dp->d_next) |
643 | if (eq(dp->d_name, dev)) | |
644 | break; | |
645 | if (dp == 0) { | |
646 | yyerror(sprintf(errbuf, "no %s's to wildcard", dev)); | |
647 | return (0); | |
648 | } | |
649 | oldtype = dp->d_type; | |
650 | dcp = dp->d_conn; | |
651 | /* | |
652 | * Now see if there is already a wildcard entry for this device | |
653 | * (e.g. Search for a "uba ?") | |
654 | */ | |
655 | for (; dp != 0; dp = dp->d_next) | |
656 | if (eq(dev, dp->d_name) && dp->d_unit == -1) | |
657 | break; | |
658 | /* | |
659 | * If there isn't, make one because everything needs to be connected | |
660 | * to something. | |
661 | */ | |
662 | if (dp == 0) { | |
663 | dp = &rdev; | |
664 | init_dev(dp); | |
665 | dp->d_unit = QUES; | |
666 | dp->d_name = ns(dev); | |
667 | dp->d_type = oldtype; | |
668 | newdev(dp); | |
669 | dp = curp; | |
670 | /* | |
671 | * Connect it to the same thing that other similar things are | |
672 | * connected to, but make sure it is a wildcard unit | |
673 | * (e.g. up connected to sc ?, here we make connect sc? to a | |
674 | * uba?). If other things like this are on the NEXUS or | |
675 | * if they aren't connected to anything, then make the same | |
676 | * connection, else call ourself to connect to another | |
677 | * unspecific device. | |
678 | */ | |
679 | if (dcp == TO_NEXUS || dcp == 0) | |
680 | dp->d_conn = dcp; | |
681 | else | |
682 | dp->d_conn = connect(dcp->d_name, QUES); | |
683 | } | |
684 | return (dp); | |
f6f4af06 MT |
685 | } |
686 | ||
687 | init_dev(dp) | |
f025f13d | 688 | register struct device *dp; |
f6f4af06 | 689 | { |
f025f13d BJ |
690 | |
691 | dp->d_name = "OHNO!!!"; | |
692 | dp->d_type = DEVICE; | |
693 | dp->d_conn = 0; | |
694 | dp->d_vec = 0; | |
695 | dp->d_addr = dp->d_pri = dp->d_flags = dp->d_dk = 0; | |
696 | dp->d_slave = dp->d_drive = dp->d_unit = UNKNOWN; | |
a5e18d6b MT |
697 | } |
698 | ||
699 | /* | |
f025f13d | 700 | * make certain that this is a reasonable type of thing to connect to a nexus |
a5e18d6b | 701 | */ |
a5e18d6b | 702 | check_nexus(dev, num) |
f025f13d BJ |
703 | register struct device *dev; |
704 | int num; | |
a5e18d6b | 705 | { |
f025f13d | 706 | |
0bf41cfc | 707 | switch (machine) { |
f025f13d | 708 | |
0bf41cfc BJ |
709 | case MACHINE_VAX: |
710 | if (!eq(dev->d_name, "uba") && !eq(dev->d_name, "mba")) | |
711 | yyerror("only uba's and mba's should be connected to the nexus"); | |
712 | if (num != QUES) | |
713 | yyerror("can't give specific nexus numbers"); | |
714 | break; | |
715 | ||
a0105456 SL |
716 | case MACHINE_TAHOE: |
717 | if (!eq(dev->d_name, "vba")) | |
718 | yyerror("only vba's should be connected to the nexus"); | |
0bf41cfc BJ |
719 | break; |
720 | } | |
f6f4af06 | 721 | } |
b1e602f2 MT |
722 | |
723 | /* | |
724 | * Check the timezone to make certain it is sensible | |
725 | */ | |
726 | ||
727 | check_tz() | |
728 | { | |
841254c0 | 729 | if (abs(timezone) > 12 * 60) |
b1e602f2 MT |
730 | yyerror("timezone is unreasonable"); |
731 | else | |
f025f13d | 732 | hadtz = 1; |
b1e602f2 | 733 | } |
36edb824 SL |
734 | |
735 | /* | |
736 | * Check system specification and apply defaulting | |
737 | * rules on root, argument, dump, and swap devices. | |
738 | */ | |
739 | checksystemspec(fl) | |
740 | register struct file_list *fl; | |
741 | { | |
742 | char buf[BUFSIZ]; | |
743 | register struct file_list *swap; | |
744 | int generic; | |
745 | ||
746 | if (fl == 0 || fl->f_type != SYSTEMSPEC) { | |
747 | yyerror("internal error, bad system specification"); | |
748 | exit(1); | |
749 | } | |
750 | swap = fl->f_next; | |
751 | generic = swap && swap->f_type == SWAPSPEC && eq(swap->f_fn, "generic"); | |
752 | if (fl->f_rootdev == NODEV && !generic) { | |
753 | yyerror("no root device specified"); | |
754 | exit(1); | |
755 | } | |
756 | /* | |
757 | * Default swap area to be in 'b' partition of root's | |
758 | * device. If root specified to be other than on 'a' | |
759 | * partition, give warning, something probably amiss. | |
760 | */ | |
761 | if (swap == 0 || swap->f_type != SWAPSPEC) { | |
762 | dev_t dev; | |
763 | ||
764 | swap = newswap(); | |
765 | dev = fl->f_rootdev; | |
766 | if (minor(dev) & 07) { | |
767 | sprintf(buf, | |
768 | "Warning, swap defaulted to 'b' partition with root on '%c' partition", | |
769 | (minor(dev) & 07) + 'a'); | |
770 | yyerror(buf); | |
771 | } | |
772 | swap->f_swapdev = | |
773 | makedev(major(dev), (minor(dev) &~ 07) | ('b' - 'a')); | |
774 | swap->f_fn = devtoname(swap->f_swapdev); | |
775 | mkswap(fl, swap, 0); | |
776 | } | |
777 | /* | |
778 | * Make sure a generic swap isn't specified, along with | |
779 | * other stuff (user must really be confused). | |
780 | */ | |
781 | if (generic) { | |
782 | if (fl->f_rootdev != NODEV) | |
783 | yyerror("root device specified with generic swap"); | |
784 | if (fl->f_argdev != NODEV) | |
785 | yyerror("arg device specified with generic swap"); | |
786 | if (fl->f_dumpdev != NODEV) | |
787 | yyerror("dump device specified with generic swap"); | |
788 | return; | |
789 | } | |
790 | /* | |
791 | * Default argument device and check for oddball arrangements. | |
792 | */ | |
793 | if (fl->f_argdev == NODEV) | |
794 | fl->f_argdev = swap->f_swapdev; | |
795 | if (fl->f_argdev != swap->f_swapdev) | |
796 | yyerror("Warning, arg device different than primary swap"); | |
797 | /* | |
798 | * Default dump device and warn if place is not a | |
799 | * swap area or the argument device partition. | |
800 | */ | |
801 | if (fl->f_dumpdev == NODEV) | |
802 | fl->f_dumpdev = swap->f_swapdev; | |
803 | if (fl->f_dumpdev != swap->f_swapdev && fl->f_dumpdev != fl->f_argdev) { | |
804 | struct file_list *p = swap->f_next; | |
805 | ||
806 | for (; p && p->f_type == SWAPSPEC; p = p->f_next) | |
807 | if (fl->f_dumpdev == p->f_swapdev) | |
808 | return; | |
809 | sprintf(buf, "Warning, orphaned dump device, %s", | |
810 | "do you know what you're doing"); | |
811 | yyerror(buf); | |
812 | } | |
813 | } | |
814 | ||
815 | /* | |
816 | * Verify all devices specified in the system specification | |
817 | * are present in the device specifications. | |
818 | */ | |
819 | verifysystemspecs() | |
820 | { | |
821 | register struct file_list *fl; | |
822 | dev_t checked[50], *verifyswap(); | |
823 | register dev_t *pchecked = checked; | |
824 | ||
825 | for (fl = conf_list; fl; fl = fl->f_next) { | |
826 | if (fl->f_type != SYSTEMSPEC) | |
827 | continue; | |
828 | if (!finddev(fl->f_rootdev)) | |
829 | deverror(fl->f_needs, "root"); | |
830 | *pchecked++ = fl->f_rootdev; | |
831 | pchecked = verifyswap(fl->f_next, checked, pchecked); | |
832 | #define samedev(dev1, dev2) \ | |
833 | ((minor(dev1) &~ 07) != (minor(dev2) &~ 07)) | |
834 | if (!alreadychecked(fl->f_dumpdev, checked, pchecked)) { | |
835 | if (!finddev(fl->f_dumpdev)) | |
836 | deverror(fl->f_needs, "dump"); | |
837 | *pchecked++ = fl->f_dumpdev; | |
838 | } | |
839 | if (!alreadychecked(fl->f_argdev, checked, pchecked)) { | |
840 | if (!finddev(fl->f_argdev)) | |
841 | deverror(fl->f_needs, "arg"); | |
842 | *pchecked++ = fl->f_argdev; | |
843 | } | |
844 | } | |
845 | } | |
846 | ||
847 | /* | |
848 | * Do as above, but for swap devices. | |
849 | */ | |
850 | dev_t * | |
851 | verifyswap(fl, checked, pchecked) | |
852 | register struct file_list *fl; | |
853 | dev_t checked[]; | |
854 | register dev_t *pchecked; | |
855 | { | |
856 | ||
857 | for (;fl && fl->f_type == SWAPSPEC; fl = fl->f_next) { | |
858 | if (eq(fl->f_fn, "generic")) | |
859 | continue; | |
860 | if (alreadychecked(fl->f_swapdev, checked, pchecked)) | |
861 | continue; | |
862 | if (!finddev(fl->f_swapdev)) | |
863 | fprintf(stderr, | |
864 | "config: swap device %s not configured", fl->f_fn); | |
865 | *pchecked++ = fl->f_swapdev; | |
866 | } | |
867 | return (pchecked); | |
868 | } | |
869 | ||
870 | /* | |
871 | * Has a device already been checked | |
872 | * for it's existence in the configuration? | |
873 | */ | |
874 | alreadychecked(dev, list, last) | |
875 | dev_t dev, list[]; | |
876 | register dev_t *last; | |
877 | { | |
878 | register dev_t *p; | |
879 | ||
880 | for (p = list; p < last; p++) | |
881 | if (samedev(*p, dev)) | |
882 | return (1); | |
883 | return (0); | |
884 | } | |
885 | ||
886 | deverror(systemname, devtype) | |
887 | char *systemname, *devtype; | |
888 | { | |
889 | ||
890 | fprintf(stderr, "config: %s: %s device not configured\n", | |
891 | systemname, devtype); | |
892 | } | |
893 | ||
894 | /* | |
895 | * Look for the device in the list of | |
896 | * configured hardware devices. Must | |
897 | * take into account stuff wildcarded. | |
898 | */ | |
899 | finddev(dev) | |
900 | dev_t dev; | |
901 | { | |
902 | ||
903 | /* punt on this right now */ | |
904 | return (1); | |
905 | } |