mkioconf.c revision 1.1
1 /* $NetBSD: mkioconf.c,v 1.1 2005/06/05 18:19:53 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratories. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: @(#)mkioconf.c 8.1 (Berkeley) 6/6/93 41 */ 42 43 #if HAVE_NBTOOL_CONFIG_H 44 #include "nbtool_config.h" 45 #endif 46 47 #include <sys/param.h> 48 #include <errno.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include "defs.h" 53 54 /* 55 * Make ioconf.c. 56 */ 57 static int cf_locnames_print(const char *, void *, void *); 58 static int cforder(const void *, const void *); 59 static int emitcfdata(FILE *); 60 static int emitcfdrivers(FILE *); 61 static int emitexterns(FILE *); 62 static int emitcfattachinit(FILE *); 63 static int emithdr(FILE *); 64 static int emitloc(FILE *); 65 static int emitpseudo(FILE *); 66 static int emitparents(FILE *); 67 static int emitroots(FILE *); 68 static int emitname2blk(FILE *); 69 70 #define SEP(pos, max) (((u_int)(pos) % (max)) == 0 ? "\n\t" : " ") 71 72 #define ARRNAME(n, l) (strchr((n), ARRCHR) && strncmp((n), (l), strlen((l))) == 0) 73 74 /* 75 * NEWLINE can only be used in the emitXXX functions. 76 * In most cases it can be subsumed into an fprintf. 77 */ 78 #define NEWLINE if (putc('\n', fp) < 0) return (1) 79 80 int 81 mkioconf(void) 82 { 83 FILE *fp; 84 int v; 85 86 qsort(packed, npacked, sizeof *packed, cforder); 87 if ((fp = fopen("ioconf.c.tmp", "w")) == NULL) { 88 (void)fprintf(stderr, "config: cannot write ioconf.c: %s\n", 89 strerror(errno)); 90 return (1); 91 } 92 v = emithdr(fp); 93 if (v != 0 || emitcfdrivers(fp) || emitexterns(fp) || 94 emitcfattachinit(fp) || emitloc(fp) || emitparents(fp) || 95 emitcfdata(fp) || emitroots(fp) || emitpseudo(fp) || 96 (do_devsw ? 0 : emitname2blk(fp))) { 97 if (v >= 0) 98 (void)fprintf(stderr, 99 "config: error writing ioconf.c: %s\n", 100 strerror(errno)); 101 (void)fclose(fp); 102 /* (void)unlink("ioconf.c.tmp"); */ 103 return (1); 104 } 105 (void)fclose(fp); 106 if (moveifchanged("ioconf.c.tmp", "ioconf.c") != 0) { 107 (void)fprintf(stderr, "config: error renaming ioconf.c: %s\n", 108 strerror(errno)); 109 return (1); 110 } 111 return (0); 112 } 113 114 static int 115 cforder(const void *a, const void *b) 116 { 117 int n1, n2; 118 119 n1 = (*(struct devi **)a)->i_cfindex; 120 n2 = (*(struct devi **)b)->i_cfindex; 121 return (n1 - n2); 122 } 123 124 static int 125 emithdr(FILE *ofp) 126 { 127 FILE *ifp; 128 int n, rv; 129 char ifnbuf[200], buf[BUFSIZ]; 130 char *ifn; 131 132 if (fprintf(ofp, "\ 133 /*\n\ 134 * MACHINE GENERATED: DO NOT EDIT\n\ 135 *\n\ 136 * ioconf.c, from \"%s\"\n\ 137 */\n\n", conffile) < 0) 138 return (1); 139 140 rv = 0; 141 (void)snprintf(ifnbuf, sizeof(ifnbuf), "arch/%s/conf/ioconf.incl.%s", 142 machine, machine); 143 ifn = sourcepath(ifnbuf); 144 if ((ifp = fopen(ifn, "r")) != NULL) { 145 while ((n = fread(buf, 1, sizeof(buf), ifp)) > 0) 146 if (fwrite(buf, 1, n, ofp) != n) { 147 rv = 1; 148 break; 149 } 150 if (rv == 0 && ferror(ifp)) { 151 (void)fprintf(stderr, "config: error reading %s: %s\n", 152 ifn, strerror(errno)); 153 rv = -1; 154 } 155 (void)fclose(ifp); 156 } else { 157 if (fputs("\ 158 #include <sys/param.h>\n\ 159 #include <sys/conf.h>\n\ 160 #include <sys/device.h>\n\ 161 #include <sys/mount.h>\n", ofp) < 0) 162 rv = 1; 163 } 164 free(ifn); 165 return (rv); 166 } 167 168 static int 169 emitcfdrivers(FILE *fp) 170 { 171 struct devbase *d; 172 struct nvlist *nv; 173 struct attr *a; 174 int has_iattrs; 175 176 NEWLINE; 177 TAILQ_FOREACH(d, &allbases, d_next) { 178 if (!devbase_has_instances(d, WILD)) 179 continue; 180 has_iattrs = 0; 181 for (nv = d->d_attrs; nv != NULL; nv = nv->nv_next) { 182 a = nv->nv_ptr; 183 if (a->a_iattr == 0) 184 continue; 185 if (has_iattrs == 0 && 186 fprintf(fp, 187 "static const char * const %s_attrs[] = { ", 188 d->d_name) < 0) 189 return (1); 190 has_iattrs = 1; 191 if (fprintf(fp, "\"%s\", ", a->a_name) < 0) 192 return (1); 193 } 194 if (has_iattrs && fprintf(fp, "NULL };\n") < 0) 195 return (1); 196 if (fprintf(fp, "CFDRIVER_DECL(%s, %s, ", d->d_name, /* ) */ 197 d->d_classattr != NULL ? d->d_classattr->a_devclass 198 : "DV_DULL") < 0) 199 return (1); 200 if (has_iattrs && fprintf(fp, "%s_attrs", d->d_name) < 0) 201 return (1); 202 else if (has_iattrs == 0 && fprintf(fp, "NULL") < 0) 203 return (1); 204 if (fprintf(fp, /* ( */ ");\n\n") < 0) 205 return (1); 206 } 207 208 NEWLINE; 209 if (fprintf(fp, 210 "struct cfdriver * const cfdriver_list_initial[] = {\n") < 0) 211 return (1); 212 TAILQ_FOREACH(d, &allbases, d_next) { 213 if (!devbase_has_instances(d, WILD)) 214 continue; 215 if (fprintf(fp, "\t&%s_cd,\n", d->d_name) < 0) 216 return (1); 217 } 218 if (fprintf(fp, "\tNULL\n};\n") < 0) 219 return (1); 220 221 return (0); 222 } 223 224 static int 225 emitexterns(FILE *fp) 226 { 227 struct deva *da; 228 229 NEWLINE; 230 TAILQ_FOREACH(da, &alldevas, d_next) { 231 if (!deva_has_instances(da, WILD)) 232 continue; 233 if (fprintf(fp, "extern struct cfattach %s_ca;\n", 234 da->d_name) < 0) 235 return (1); 236 } 237 return (0); 238 } 239 240 static int 241 emitcfattachinit(FILE *fp) 242 { 243 struct devbase *d; 244 struct deva *da; 245 246 NEWLINE; 247 TAILQ_FOREACH(d, &allbases, d_next) { 248 if (!devbase_has_instances(d, WILD)) 249 continue; 250 if (d->d_ahead == NULL) 251 continue; 252 253 if (fprintf(fp, 254 "static struct cfattach * const %s_cfattachinit[] = {\n\t", 255 d->d_name) < 0) 256 return (1); 257 for (da = d->d_ahead; da != NULL; da = da->d_bsame) { 258 if (!deva_has_instances(da, WILD)) 259 continue; 260 if (fprintf(fp, "&%s_ca, ", da->d_name) < 0) 261 return (1); 262 } 263 if (fprintf(fp, "NULL\n};\n") < 0) 264 return (1); 265 } 266 267 NEWLINE; 268 if (fprintf(fp, 269 "const struct cfattachinit cfattachinit[] = {\n") < 0) 270 return (1); 271 272 TAILQ_FOREACH(d, &allbases, d_next) { 273 if (!devbase_has_instances(d, WILD)) 274 continue; 275 if (d->d_ahead == NULL) 276 continue; 277 278 if (fprintf(fp, "\t{ \"%s\", %s_cfattachinit },\n", 279 d->d_name, d->d_name) < 0) 280 return (1); 281 } 282 283 if (fprintf(fp, "\t{ NULL, NULL }\n};\n") < 0) 284 return (1); 285 286 return (0); 287 } 288 289 /* 290 * Emit an initialized array of character strings describing this 291 * attribute's locators. 292 */ 293 static int 294 cf_locnames_print(const char *name, void *value, void *arg) 295 { 296 struct attr *a; 297 struct nvlist *nv; 298 FILE *fp = arg; 299 300 a = value; 301 if (a->a_locs) { 302 if (fprintf(fp, "const char * const %scf_locnames[] = { ", 303 name) < 0) 304 return (1); 305 for (nv = a->a_locs; nv; nv = nv->nv_next) 306 if (fprintf(fp, "\"%s\", ", nv->nv_name) < 0) 307 return (1); 308 if (fprintf(fp, "NULL};\n") < 0) 309 return (1); 310 } 311 return 0; 312 } 313 314 static int 315 emitloc(FILE *fp) 316 { 317 int i; 318 319 if (locators.used != 0) { 320 if (fprintf(fp, "\n/* locators */\n\ 321 static int loc[%d] = {", locators.used) < 0) 322 return (1); 323 for (i = 0; i < locators.used; i++) 324 if (fprintf(fp, "%s%s,", SEP(i, 8), 325 locators.vec[i]) < 0) 326 return (1); 327 if (fprintf(fp, "\n};\n") < 0) 328 return (1); 329 } else if (*packed != NULL) { 330 /* We need to have *something*. */ 331 if (fprintf(fp, "\n/* locators */\n\ 332 static int loc[1] = { -1 };\n") < 0) 333 return (1); 334 } 335 336 if (*packed != NULL) 337 if (fprintf(fp, 338 "\nconst char * const nullcf_locnames[] = {NULL};\n") < 0) 339 return (1); 340 341 if (locators.used != 0) 342 return ht_enumerate(attrtab, cf_locnames_print, fp); 343 344 return (0); 345 } 346 347 /* 348 * Emit static parent data. 349 */ 350 static int 351 emitparents(FILE *fp) 352 { 353 struct pspec *p; 354 355 NEWLINE; 356 TAILQ_FOREACH(p, &allpspecs, p_list) { 357 if (p->p_devs == NULL) 358 continue; 359 if (fprintf(fp, 360 "static const struct cfparent pspec%d = {\n", p->p_inst) < 0) 361 return (1); 362 if (fprintf(fp, "\t\"%s\", ", p->p_iattr->a_name) < 0) 363 return (1); 364 if (p->p_atdev != NULL) { 365 if (fprintf(fp, "\"%s\", ", p->p_atdev->d_name) < 0) 366 return (1); 367 if (p->p_atunit == WILD && 368 fprintf(fp, "DVUNIT_ANY") < 0) 369 return (1); 370 else if (p->p_atunit != WILD && 371 fprintf(fp, "%d", p->p_atunit) < 0) 372 return (1); 373 } else if (fprintf(fp, "NULL, 0") < 0) 374 return (1); 375 if (fprintf(fp, "\n};\n") < 0) 376 return (1); 377 } 378 379 return (0); 380 } 381 382 /* 383 * Emit the cfdata array. 384 */ 385 static int 386 emitcfdata(FILE *fp) 387 { 388 struct devi **p, *i; 389 struct pspec *ps; 390 int unit, v; 391 const char *state, *basename, *attachment; 392 struct nvlist *nv; 393 struct attr *a; 394 char *loc; 395 char locbuf[20]; 396 const char *lastname = ""; 397 398 if (fprintf(fp, "\n\ 399 #define NORM FSTATE_NOTFOUND\n\ 400 #define STAR FSTATE_STAR\n\ 401 \n\ 402 struct cfdata cfdata[] = {\n\ 403 /* driver attachment unit state loc flags pspec\n\ 404 locnames */\n") < 0) 405 return (1); 406 for (p = packed; (i = *p) != NULL; p++) { 407 /* the description */ 408 if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0) 409 return (1); 410 if ((ps = i->i_pspec) != NULL) { 411 if (ps->p_atdev != NULL && 412 ps->p_atunit != WILD) { 413 if (fprintf(fp, "%s%d", ps->p_atdev->d_name, 414 ps->p_atunit) < 0) 415 return (1); 416 } else if (ps->p_atdev != NULL) { 417 if (fprintf(fp, "%s?", ps->p_atdev->d_name) < 0) 418 return (1); 419 } else { 420 if (fprintf(fp, "%s?", ps->p_iattr->a_name) < 0) 421 return (1); 422 } 423 424 a = ps->p_iattr; 425 for (nv = a->a_locs, v = 0; nv != NULL; 426 nv = nv->nv_next, v++) { 427 if (ARRNAME(nv->nv_name, lastname)) { 428 if (fprintf(fp, " %s %s", 429 nv->nv_name, i->i_locs[v]) < 0) 430 return (1); 431 } else { 432 if (fprintf(fp, " %s %s", 433 nv->nv_name, 434 i->i_locs[v]) < 0) 435 return (1); 436 lastname = nv->nv_name; 437 } 438 } 439 } else { 440 a = NULL; 441 if (fputs("root", fp) < 0) 442 return (1); 443 } 444 445 if (fputs(" */\n", fp) < 0) 446 return (-1); 447 448 /* then the actual defining line */ 449 basename = i->i_base->d_name; 450 attachment = i->i_atdeva->d_name; 451 if (i->i_unit == STAR) { 452 unit = i->i_base->d_umax; 453 state = "STAR"; 454 } else { 455 unit = i->i_unit; 456 state = "NORM"; 457 } 458 if (i->i_locoff >= 0) { 459 (void)snprintf(locbuf, sizeof(locbuf), "loc+%3d", 460 i->i_locoff); 461 loc = locbuf; 462 } else 463 loc = "loc"; 464 if (fprintf(fp, " {\"%s\",%s\"%s\",%s%2d, %s, %7s, %#6x, ", 465 basename, strlen(basename) < 8 ? "\t\t" 466 : "\t", 467 attachment, strlen(attachment) < 5 ? "\t\t" 468 : "\t", 469 unit, state, loc, i->i_cfflags) < 0) 470 return (1); 471 if (ps != NULL) { 472 if (fprintf(fp, "&pspec%d,\n", ps->p_inst) < 0) 473 return (1); 474 } else if (fputs("NULL,\n", fp) < 0) 475 return (1); 476 if (fprintf(fp, " %scf_locnames},\n", 477 (a != NULL && a->a_locs != NULL) ? a->a_name 478 : "null") < 0) 479 return (1); 480 } 481 return (fputs(" {0}\n};\n", fp) < 0); 482 } 483 484 /* 485 * Emit the table of potential roots. 486 */ 487 static int 488 emitroots(FILE *fp) 489 { 490 struct devi **p, *i; 491 492 if (fputs("\nconst short cfroots[] = {\n", fp) < 0) 493 return (1); 494 for (p = packed; (i = *p) != NULL; p++) { 495 if (i->i_at != NULL) 496 continue; 497 if (i->i_unit != 0 && 498 (i->i_unit != STAR || i->i_base->d_umax != 0)) 499 (void)fprintf(stderr, 500 "config: warning: `%s at root' is not unit 0\n", 501 i->i_name); 502 if (fprintf(fp, "\t%2d /* %s */,\n", 503 i->i_cfindex, i->i_name) < 0) 504 return (1); 505 } 506 return (fputs("\t-1\n};\n", fp) < 0); 507 } 508 509 /* 510 * Emit pseudo-device initialization. 511 */ 512 static int 513 emitpseudo(FILE *fp) 514 { 515 struct devi *i; 516 struct devbase *d; 517 518 if (fputs("\n/* pseudo-devices */\n", fp) < 0) 519 return (1); 520 TAILQ_FOREACH(i, &allpseudo, i_next) { 521 if (fprintf(fp, "void %sattach(int);\n", 522 i->i_base->d_name) < 0) 523 return (1); 524 } 525 if (fputs("\nstruct pdevinit pdevinit[] = {\n", fp) < 0) 526 return (1); 527 TAILQ_FOREACH(i, &allpseudo, i_next) { 528 d = i->i_base; 529 if (fprintf(fp, "\t{ %sattach, %d },\n", 530 d->d_name, d->d_umax) < 0) 531 return (1); 532 } 533 return (fputs("\t{ 0, 0 }\n};\n", fp) < 0); 534 } 535 536 /* 537 * Emit name to major block number table. 538 */ 539 int 540 emitname2blk(FILE *fp) 541 { 542 struct devbase *dev; 543 544 if (fputs("\n/* device name to major block number */\n", fp) < 0) 545 return (1); 546 547 if (fprintf(fp, "struct devnametobdevmaj dev_name2blk[] = {\n") < 0) 548 return (1); 549 550 TAILQ_FOREACH(dev, &allbases, d_next) { 551 if (dev->d_major == NODEV) 552 continue; 553 554 if (fprintf(fp, "\t{ \"%s\", %d },\n", 555 dev->d_name, dev->d_major) < 0) 556 return (1); 557 } 558 if (fprintf(fp, "\t{ NULL, 0 }\n};\n") < 0) 559 return (1); 560 561 return (0); 562 } 563
Indexes created Wed Sep 24 22:09:59 GMT 2025