mkioconf.c revision 1.3
1 /* $NetBSD: mkioconf.c,v 1.3 2005/08/25 15:01:07 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_locs) { 181 if (fprintf(fp, 182 "static const struct cfiattrdata %scf_iattrdata = {\n", 183 name) < 0) 184 return (1); 185 if (fprintf(fp, "\t\"%s\", %d,\n\t{\n", name, a->a_loclen) < 0) 186 return (1); 187 for (nv = a->a_locs; nv; nv = nv->nv_next) 188 if (fprintf(fp, "\t\t{\"%s\", \"%s\", %s},\n", 189 nv->nv_name, 190 (nv->nv_str ? nv->nv_str : "NULL"), 191 (nv->nv_str ? nv->nv_str : "0")) < 0) 192 return (1); 193 if (fprintf(fp, "\t}\n};\n") < 0) 194 return (1); 195 } else if (fprintf(fp, 196 "static const struct cfiattrdata %scf_iattrdata = {\n" 197 "\t\"%s\", 0, {\n\t\t{ NULL },\n\t}\n};\n", name, name) < 0) 198 return (1); 199 return 0; 200 } 201 202 static int 203 emitcfdrivers(FILE *fp) 204 { 205 struct devbase *d; 206 struct nvlist *nv; 207 struct attr *a; 208 int has_iattrs; 209 210 NEWLINE; 211 if (ht_enumerate(attrtab, cf_locators_print, fp)) 212 return (1); 213 214 NEWLINE; 215 TAILQ_FOREACH(d, &allbases, d_next) { 216 if (!devbase_has_instances(d, WILD)) 217 continue; 218 has_iattrs = 0; 219 for (nv = d->d_attrs; nv != NULL; nv = nv->nv_next) { 220 a = nv->nv_ptr; 221 if (a->a_iattr == 0) 222 continue; 223 if (has_iattrs == 0 && 224 fprintf(fp, 225 "static const struct cfiattrdata * const %s_attrs[] = { ", 226 d->d_name) < 0) 227 return (1); 228 has_iattrs = 1; 229 if (fprintf(fp, "&%scf_iattrdata, ", a->a_name) < 0) 230 return (1); 231 } 232 if (has_iattrs && fprintf(fp, "NULL };\n") < 0) 233 return (1); 234 if (fprintf(fp, "CFDRIVER_DECL(%s, %s, ", d->d_name, /* ) */ 235 d->d_classattr != NULL ? d->d_classattr->a_devclass 236 : "DV_DULL") < 0) 237 return (1); 238 if (has_iattrs && fprintf(fp, "%s_attrs", d->d_name) < 0) 239 return (1); 240 else if (has_iattrs == 0 && fprintf(fp, "NULL") < 0) 241 return (1); 242 if (fprintf(fp, /* ( */ ");\n\n") < 0) 243 return (1); 244 } 245 246 NEWLINE; 247 if (fprintf(fp, 248 "struct cfdriver * const cfdriver_list_initial[] = {\n") < 0) 249 return (1); 250 TAILQ_FOREACH(d, &allbases, d_next) { 251 if (!devbase_has_instances(d, WILD)) 252 continue; 253 if (fprintf(fp, "\t&%s_cd,\n", d->d_name) < 0) 254 return (1); 255 } 256 if (fprintf(fp, "\tNULL\n};\n") < 0) 257 return (1); 258 259 return (0); 260 } 261 262 static int 263 emitexterns(FILE *fp) 264 { 265 struct deva *da; 266 267 NEWLINE; 268 TAILQ_FOREACH(da, &alldevas, d_next) { 269 if (!deva_has_instances(da, WILD)) 270 continue; 271 if (fprintf(fp, "extern struct cfattach %s_ca;\n", 272 da->d_name) < 0) 273 return (1); 274 } 275 return (0); 276 } 277 278 static int 279 emitcfattachinit(FILE *fp) 280 { 281 struct devbase *d; 282 struct deva *da; 283 284 NEWLINE; 285 TAILQ_FOREACH(d, &allbases, d_next) { 286 if (!devbase_has_instances(d, WILD)) 287 continue; 288 if (d->d_ahead == NULL) 289 continue; 290 291 if (fprintf(fp, 292 "static struct cfattach * const %s_cfattachinit[] = {\n\t", 293 d->d_name) < 0) 294 return (1); 295 for (da = d->d_ahead; da != NULL; da = da->d_bsame) { 296 if (!deva_has_instances(da, WILD)) 297 continue; 298 if (fprintf(fp, "&%s_ca, ", da->d_name) < 0) 299 return (1); 300 } 301 if (fprintf(fp, "NULL\n};\n") < 0) 302 return (1); 303 } 304 305 NEWLINE; 306 if (fprintf(fp, 307 "const struct cfattachinit cfattachinit[] = {\n") < 0) 308 return (1); 309 310 TAILQ_FOREACH(d, &allbases, d_next) { 311 if (!devbase_has_instances(d, WILD)) 312 continue; 313 if (d->d_ahead == NULL) 314 continue; 315 316 if (fprintf(fp, "\t{ \"%s\", %s_cfattachinit },\n", 317 d->d_name, d->d_name) < 0) 318 return (1); 319 } 320 321 if (fprintf(fp, "\t{ NULL, NULL }\n};\n") < 0) 322 return (1); 323 324 return (0); 325 } 326 327 static int 328 emitloc(FILE *fp) 329 { 330 int i; 331 332 if (locators.used != 0) { 333 if (fprintf(fp, "\n/* locators */\n\ 334 static int loc[%d] = {", locators.used) < 0) 335 return (1); 336 for (i = 0; i < locators.used; i++) 337 if (fprintf(fp, "%s%s,", SEP(i, 8), 338 locators.vec[i]) < 0) 339 return (1); 340 if (fprintf(fp, "\n};\n") < 0) 341 return (1); 342 } else if (*packed != NULL) { 343 /* We need to have *something*. */ 344 if (fprintf(fp, "\n/* locators */\n\ 345 static int loc[1] = { -1 };\n") < 0) 346 return (1); 347 } 348 349 return (0); 350 } 351 352 /* 353 * Emit static parent data. 354 */ 355 static int 356 emitparents(FILE *fp) 357 { 358 struct pspec *p; 359 360 NEWLINE; 361 TAILQ_FOREACH(p, &allpspecs, p_list) { 362 if (p->p_devs == NULL) 363 continue; 364 if (fprintf(fp, 365 "static const struct cfparent pspec%d = {\n", p->p_inst) < 0) 366 return (1); 367 if (fprintf(fp, "\t\"%s\", ", p->p_iattr->a_name) < 0) 368 return (1); 369 if (p->p_atdev != NULL) { 370 if (fprintf(fp, "\"%s\", ", p->p_atdev->d_name) < 0) 371 return (1); 372 if (p->p_atunit == WILD && 373 fprintf(fp, "DVUNIT_ANY") < 0) 374 return (1); 375 else if (p->p_atunit != WILD && 376 fprintf(fp, "%d", p->p_atunit) < 0) 377 return (1); 378 } else if (fprintf(fp, "NULL, 0") < 0) 379 return (1); 380 if (fprintf(fp, "\n};\n") < 0) 381 return (1); 382 } 383 384 return (0); 385 } 386 387 /* 388 * Emit the cfdata array. 389 */ 390 static int 391 emitcfdata(FILE *fp) 392 { 393 struct devi **p, *i; 394 struct pspec *ps; 395 int unit, v; 396 const char *state, *basename, *attachment; 397 struct nvlist *nv; 398 struct attr *a; 399 char *loc; 400 char locbuf[20]; 401 const char *lastname = ""; 402 403 if (fprintf(fp, "\n\ 404 #define NORM FSTATE_NOTFOUND\n\ 405 #define STAR FSTATE_STAR\n\ 406 \n\ 407 struct cfdata cfdata[] = {\n\ 408 /* driver attachment unit state loc flags pspec */\n") < 0) 409 return (1); 410 for (p = packed; (i = *p) != NULL; p++) { 411 /* the description */ 412 if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0) 413 return (1); 414 if ((ps = i->i_pspec) != NULL) { 415 if (ps->p_atdev != NULL && 416 ps->p_atunit != WILD) { 417 if (fprintf(fp, "%s%d", ps->p_atdev->d_name, 418 ps->p_atunit) < 0) 419 return (1); 420 } else if (ps->p_atdev != NULL) { 421 if (fprintf(fp, "%s?", ps->p_atdev->d_name) < 0) 422 return (1); 423 } else { 424 if (fprintf(fp, "%s?", ps->p_iattr->a_name) < 0) 425 return (1); 426 } 427 428 a = ps->p_iattr; 429 for (nv = a->a_locs, v = 0; nv != NULL; 430 nv = nv->nv_next, v++) { 431 if (ARRNAME(nv->nv_name, lastname)) { 432 if (fprintf(fp, " %s %s", 433 nv->nv_name, i->i_locs[v]) < 0) 434 return (1); 435 } else { 436 if (fprintf(fp, " %s %s", 437 nv->nv_name, 438 i->i_locs[v]) < 0) 439 return (1); 440 lastname = nv->nv_name; 441 } 442 } 443 } else { 444 a = NULL; 445 if (fputs("root", fp) < 0) 446 return (1); 447 } 448 449 if (fputs(" */\n", fp) < 0) 450 return (-1); 451 452 /* then the actual defining line */ 453 basename = i->i_base->d_name; 454 attachment = i->i_atdeva->d_name; 455 if (i->i_unit == STAR) { 456 unit = i->i_base->d_umax; 457 state = "STAR"; 458 } else { 459 unit = i->i_unit; 460 state = "NORM"; 461 } 462 if (i->i_locoff >= 0) { 463 (void)snprintf(locbuf, sizeof(locbuf), "loc+%3d", 464 i->i_locoff); 465 loc = locbuf; 466 } else 467 loc = "loc"; 468 if (fprintf(fp, " {\"%s\",%s\"%s\",%s%2d, %s, %7s, %#6x, ", 469 basename, strlen(basename) < 8 ? "\t\t" 470 : "\t", 471 attachment, strlen(attachment) < 5 ? "\t\t" 472 : "\t", 473 unit, state, loc, i->i_cfflags) < 0) 474 return (1); 475 if (ps != NULL) { 476 if (fprintf(fp, "&pspec%d},\n", ps->p_inst) < 0) 477 return (1); 478 } else if (fputs("NULL},\n", fp) < 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 Tue Sep 23 14:10:03 GMT 2025