mkioconf.c revision 1.6
1 /* $NetBSD: mkioconf.c,v 1.6 2006/08/09 18:03:23 drochner 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_locators_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 /* 169 * Emit an initialized array of character strings describing this 170 * attribute's locators. 171 */ 172 static int 173 cf_locators_print(const char *name, void *value, void *arg) 174 { 175 struct attr *a; 176 struct nvlist *nv; 177 FILE *fp = arg; 178 179 a = value; 180 if (!a->a_iattr) 181 return (0); 182 183 if (a->a_locs) { 184 if (fprintf(fp, 185 "static const struct cfiattrdata %scf_iattrdata = {\n", 186 name) < 0) 187 return (1); 188 if (fprintf(fp, "\t\"%s\", %d,\n\t{\n", name, a->a_loclen) < 0) 189 return (1); 190 for (nv = a->a_locs; nv; nv = nv->nv_next) 191 if (fprintf(fp, "\t\t{\"%s\", \"%s\", %s},\n", 192 nv->nv_name, 193 (nv->nv_str ? nv->nv_str : "NULL"), 194 (nv->nv_str ? nv->nv_str : "0")) < 0) 195 return (1); 196 if (fprintf(fp, "\t}\n};\n") < 0) 197 return (1); 198 } else if (fprintf(fp, 199 "static const struct cfiattrdata %scf_iattrdata = {\n" 200 "\t\"%s\", 0, {\n\t\t{ NULL },\n\t}\n};\n", name, name) < 0) 201 return (1); 202 return 0; 203 } 204 205 static int 206 emitcfdrivers(FILE *fp) 207 { 208 struct devbase *d; 209 struct nvlist *nv; 210 struct attr *a; 211 int has_iattrs; 212 213 NEWLINE; 214 if (ht_enumerate(attrtab, cf_locators_print, fp)) 215 return (1); 216 217 NEWLINE; 218 TAILQ_FOREACH(d, &allbases, d_next) { 219 if (!devbase_has_instances(d, WILD)) 220 continue; 221 has_iattrs = 0; 222 for (nv = d->d_attrs; nv != NULL; nv = nv->nv_next) { 223 a = nv->nv_ptr; 224 if (a->a_iattr == 0) 225 continue; 226 if (has_iattrs == 0 && 227 fprintf(fp, 228 "static const struct cfiattrdata * const %s_attrs[] = { ", 229 d->d_name) < 0) 230 return (1); 231 has_iattrs = 1; 232 if (fprintf(fp, "&%scf_iattrdata, ", a->a_name) < 0) 233 return (1); 234 } 235 if (has_iattrs && fprintf(fp, "NULL };\n") < 0) 236 return (1); 237 if (fprintf(fp, "CFDRIVER_DECL(%s, %s, ", d->d_name, /* ) */ 238 d->d_classattr != NULL ? d->d_classattr->a_devclass 239 : "DV_DULL") < 0) 240 return (1); 241 if (has_iattrs && fprintf(fp, "%s_attrs", d->d_name) < 0) 242 return (1); 243 else if (has_iattrs == 0 && fprintf(fp, "NULL") < 0) 244 return (1); 245 if (fprintf(fp, /* ( */ ");\n\n") < 0) 246 return (1); 247 } 248 249 NEWLINE; 250 if (fprintf(fp, 251 "struct cfdriver * const cfdriver_list_initial[] = {\n") < 0) 252 return (1); 253 TAILQ_FOREACH(d, &allbases, d_next) { 254 if (!devbase_has_instances(d, WILD)) 255 continue; 256 if (fprintf(fp, "\t&%s_cd,\n", d->d_name) < 0) 257 return (1); 258 } 259 if (fprintf(fp, "\tNULL\n};\n") < 0) 260 return (1); 261 262 return (0); 263 } 264 265 static int 266 emitexterns(FILE *fp) 267 { 268 struct deva *da; 269 270 NEWLINE; 271 TAILQ_FOREACH(da, &alldevas, d_next) { 272 if (!deva_has_instances(da, WILD)) 273 continue; 274 if (fprintf(fp, "extern struct cfattach %s_ca;\n", 275 da->d_name) < 0) 276 return (1); 277 } 278 return (0); 279 } 280 281 static int 282 emitcfattachinit(FILE *fp) 283 { 284 struct devbase *d; 285 struct deva *da; 286 287 NEWLINE; 288 TAILQ_FOREACH(d, &allbases, d_next) { 289 if (!devbase_has_instances(d, WILD)) 290 continue; 291 if (d->d_ahead == NULL) 292 continue; 293 294 if (fprintf(fp, 295 "static struct cfattach * const %s_cfattachinit[] = {\n\t", 296 d->d_name) < 0) 297 return (1); 298 for (da = d->d_ahead; da != NULL; da = da->d_bsame) { 299 if (!deva_has_instances(da, WILD)) 300 continue; 301 if (fprintf(fp, "&%s_ca, ", da->d_name) < 0) 302 return (1); 303 } 304 if (fprintf(fp, "NULL\n};\n") < 0) 305 return (1); 306 } 307 308 NEWLINE; 309 if (fprintf(fp, 310 "const struct cfattachinit cfattachinit[] = {\n") < 0) 311 return (1); 312 313 TAILQ_FOREACH(d, &allbases, d_next) { 314 if (!devbase_has_instances(d, WILD)) 315 continue; 316 if (d->d_ahead == NULL) 317 continue; 318 319 if (fprintf(fp, "\t{ \"%s\", %s_cfattachinit },\n", 320 d->d_name, d->d_name) < 0) 321 return (1); 322 } 323 324 if (fprintf(fp, "\t{ NULL, NULL }\n};\n") < 0) 325 return (1); 326 327 return (0); 328 } 329 330 static int 331 emitloc(FILE *fp) 332 { 333 int i; 334 335 if (locators.used != 0) { 336 if (fprintf(fp, "\n/* locators */\n\ 337 static int loc[%d] = {", locators.used) < 0) 338 return (1); 339 for (i = 0; i < locators.used; i++) 340 if (fprintf(fp, "%s%s,", SEP(i, 8), 341 locators.vec[i]) < 0) 342 return (1); 343 if (fprintf(fp, "\n};\n") < 0) 344 return (1); 345 } else if (*packed != NULL) { 346 /* We need to have *something*. */ 347 if (fprintf(fp, "\n/* locators */\n\ 348 static int loc[1] = { -1 };\n") < 0) 349 return (1); 350 } 351 352 return (0); 353 } 354 355 /* 356 * Emit static parent data. 357 */ 358 static int 359 emitparents(FILE *fp) 360 { 361 struct pspec *p; 362 363 NEWLINE; 364 TAILQ_FOREACH(p, &allpspecs, p_list) { 365 if (p->p_devs == NULL || p->p_active != DEVI_ACTIVE) 366 continue; 367 if (fprintf(fp, 368 "static const struct cfparent pspec%d = {\n", p->p_inst) < 0) 369 return (1); 370 if (fprintf(fp, "\t\"%s\", ", p->p_iattr->a_name) < 0) 371 return (1); 372 if (p->p_atdev != NULL) { 373 if (fprintf(fp, "\"%s\", ", p->p_atdev->d_name) < 0) 374 return (1); 375 if (p->p_atunit == WILD && 376 fprintf(fp, "DVUNIT_ANY") < 0) 377 return (1); 378 else if (p->p_atunit != WILD && 379 fprintf(fp, "%d", p->p_atunit) < 0) 380 return (1); 381 } else if (fprintf(fp, "NULL, 0") < 0) 382 return (1); 383 if (fprintf(fp, "\n};\n") < 0) 384 return (1); 385 } 386 387 return (0); 388 } 389 390 /* 391 * Emit the cfdata array. 392 */ 393 static int 394 emitcfdata(FILE *fp) 395 { 396 struct devi **p, *i; 397 struct pspec *ps; 398 int unit, v; 399 const char *state, *basename, *attachment; 400 struct nvlist *nv; 401 struct attr *a; 402 char *loc; 403 char locbuf[20]; 404 const char *lastname = ""; 405 406 if (fprintf(fp, "\n\ 407 #define NORM FSTATE_NOTFOUND\n\ 408 #define STAR FSTATE_STAR\n\ 409 \n\ 410 struct cfdata cfdata[] = {\n\ 411 /* driver attachment unit state loc flags pspec */\n") < 0) 412 return (1); 413 for (p = packed; (i = *p) != NULL; p++) { 414 /* the description */ 415 if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0) 416 return (1); 417 if ((ps = i->i_pspec) != NULL) { 418 if (ps->p_atdev != NULL && 419 ps->p_atunit != WILD) { 420 if (fprintf(fp, "%s%d", ps->p_atdev->d_name, 421 ps->p_atunit) < 0) 422 return (1); 423 } else if (ps->p_atdev != NULL) { 424 if (fprintf(fp, "%s?", ps->p_atdev->d_name) < 0) 425 return (1); 426 } else { 427 if (fprintf(fp, "%s?", ps->p_iattr->a_name) < 0) 428 return (1); 429 } 430 431 a = ps->p_iattr; 432 for (nv = a->a_locs, v = 0; nv != NULL; 433 nv = nv->nv_next, v++) { 434 if (ARRNAME(nv->nv_name, lastname)) { 435 if (fprintf(fp, " %s %s", 436 nv->nv_name, i->i_locs[v]) < 0) 437 return (1); 438 } else { 439 if (fprintf(fp, " %s %s", 440 nv->nv_name, 441 i->i_locs[v]) < 0) 442 return (1); 443 lastname = nv->nv_name; 444 } 445 } 446 } else { 447 a = NULL; 448 if (fputs("root", fp) < 0) 449 return (1); 450 } 451 452 if (fputs(" */\n", fp) < 0) 453 return (-1); 454 455 /* then the actual defining line */ 456 basename = i->i_base->d_name; 457 attachment = i->i_atdeva->d_name; 458 if (i->i_unit == STAR) { 459 unit = i->i_base->d_umax; 460 state = "STAR"; 461 } else { 462 unit = i->i_unit; 463 state = "NORM"; 464 } 465 if (i->i_locoff >= 0) { 466 (void)snprintf(locbuf, sizeof(locbuf), "loc+%3d", 467 i->i_locoff); 468 loc = locbuf; 469 } else 470 loc = "loc"; 471 if (fprintf(fp, " {\"%s\",%s\"%s\",%s%2d, %s, %7s, %#6x, ", 472 basename, strlen(basename) < 8 ? "\t\t" 473 : "\t", 474 attachment, strlen(attachment) < 5 ? "\t\t" 475 : "\t", 476 unit, state, loc, i->i_cfflags) < 0) 477 return (1); 478 if (ps != NULL) { 479 if (fprintf(fp, "&pspec%d},\n", ps->p_inst) < 0) 480 return (1); 481 } else if (fputs("NULL},\n", fp) < 0) 482 return (1); 483 } 484 return (fputs(" {0}\n};\n", fp) < 0); 485 } 486 487 /* 488 * Emit the table of potential roots. 489 */ 490 static int 491 emitroots(FILE *fp) 492 { 493 struct devi **p, *i; 494 495 if (fputs("\nconst short cfroots[] = {\n", fp) < 0) 496 return (1); 497 for (p = packed; (i = *p) != NULL; p++) { 498 if (i->i_at != NULL) 499 continue; 500 if (i->i_unit != 0 && 501 (i->i_unit != STAR || i->i_base->d_umax != 0)) 502 (void)fprintf(stderr, 503 "config: warning: `%s at root' is not unit 0\n", 504 i->i_name); 505 if (fprintf(fp, "\t%2d /* %s */,\n", 506 i->i_cfindex, i->i_name) < 0) 507 return (1); 508 } 509 return (fputs("\t-1\n};\n", fp) < 0); 510 } 511 512 /* 513 * Emit pseudo-device initialization. 514 */ 515 static int 516 emitpseudo(FILE *fp) 517 { 518 struct devi *i; 519 struct devbase *d; 520 521 if (fputs("\n/* pseudo-devices */\n", fp) < 0) 522 return (1); 523 TAILQ_FOREACH(i, &allpseudo, i_next) { 524 if (fprintf(fp, "void %sattach(int);\n", 525 i->i_base->d_name) < 0) 526 return (1); 527 } 528 if (fputs("\nstruct pdevinit pdevinit[] = {\n", fp) < 0) 529 return (1); 530 TAILQ_FOREACH(i, &allpseudo, i_next) { 531 d = i->i_base; 532 if (fprintf(fp, "\t{ %sattach, %d },\n", 533 d->d_name, d->d_umax) < 0) 534 return (1); 535 } 536 return (fputs("\t{ 0, 0 }\n};\n", fp) < 0); 537 } 538 539 /* 540 * Emit name to major block number table. 541 */ 542 int 543 emitname2blk(FILE *fp) 544 { 545 struct devbase *dev; 546 547 if (fputs("\n/* device name to major block number */\n", fp) < 0) 548 return (1); 549 550 if (fprintf(fp, "struct devnametobdevmaj dev_name2blk[] = {\n") < 0) 551 return (1); 552 553 TAILQ_FOREACH(dev, &allbases, d_next) { 554 if (dev->d_major == NODEV) 555 continue; 556 557 if (fprintf(fp, "\t{ \"%s\", %d },\n", 558 dev->d_name, dev->d_major) < 0) 559 return (1); 560 } 561 if (fprintf(fp, "\t{ NULL, 0 }\n};\n") < 0) 562 return (1); 563 564 return (0); 565 } 566
Indexes created Fri Sep 26 20:09:58 GMT 2025