/* $NetBSD: mkioconf.c,v 1.35.14.1 2024/08/23 17:19:19 martin Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratories. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)mkioconf.c 8.1 (Berkeley) 6/6/93 */ #if HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #endif #include __RCSID("$NetBSD: mkioconf.c,v 1.35.14.1 2024/08/23 17:19:19 martin Exp $"); #include #include #include #include #include #include #include "defs.h" /* * Make ioconf.c. */ static int cf_locators_print(const char *, void *, void *); static int cforder(const void *, const void *); static void emitcfdata(FILE *); static void emitcfdrivers(FILE *); static void emitexterns(FILE *); static void emitcfattachinit(FILE *); static void emithdr(FILE *); static void emitloc(FILE *); static void emitpseudo(FILE *); static void emitparents(FILE *); static void emitroots(FILE *); static void emitname2blk(FILE *); #define SEP(pos, max) (((u_int)(pos) % (max)) == 0 ? "\n\t" : " ") #define ARRNAME(n, l) (strchr((n), ARRCHR) && strncmp((n), (l), strlen((l))) == 0) /* * NEWLINE can only be used in the emitXXX functions. * In most cases it can be subsumed into an fprintf. */ #define NEWLINE putc('\n', fp) int mkioconf(void) { FILE *fp; qsort(packed, npacked, sizeof *packed, cforder); if ((fp = fopen("ioconf.c.tmp", "w")) == NULL) { warn("cannot write ioconf.c"); return (1); } fprintf(fp, "#include \"ioconf.h\"\n"); if (ioconfname) fprintf(fp, "#define IOCONF %s\n", ioconfname); emithdr(fp); emitcfdrivers(fp); emitexterns(fp); emitloc(fp); emitparents(fp); emitcfdata(fp); emitcfattachinit(fp); if (ioconfname == NULL) { emitroots(fp); emitpseudo(fp); if (!do_devsw) emitname2blk(fp); } fflush(fp); if (ferror(fp)) { warn("error writing ioconf.c"); (void)fclose(fp); #if 0 (void)unlink("ioconf.c.tmp"); #endif return (1); } (void)fclose(fp); if (moveifchanged("ioconf.c.tmp", "ioconf.c") != 0) { warn("error renaming ioconf.c"); return (1); } return (0); } static int cforder(const void *a, const void *b) { int n1, n2; n1 = (*(const struct devi * const *)a)->i_cfindex; n2 = (*(const struct devi * const *)b)->i_cfindex; if (n1 < n2) return -1; else if (n1 > n2) return +1; else abort(); /* no ties possible */ } static void emithdr(FILE *ofp) { FILE *ifp; size_t n; char ifnbuf[200], buf[BUFSIZ]; char *ifn; autogen_comment(ofp, "ioconf.c"); (void)snprintf(ifnbuf, sizeof(ifnbuf), "%s/arch/%s/conf/ioconf.incl.%s", srcdir, machine ? machine : "(null)", machine ? machine : "(null)"); ifn = ifnbuf; if ((ifp = fopen(ifn, "r")) != NULL) { while ((n = fread(buf, 1, sizeof(buf), ifp)) > 0) (void)fwrite(buf, 1, n, ofp); if (ferror(ifp)) err(EXIT_FAILURE, "error reading %s", ifn); (void)fclose(ifp); } else { fputs("#include \n" "#include \n" "#include \n" "#include \n", ofp); } } /* * Emit an initialized array of character strings describing this * attribute's locators. */ static int cf_locators_print(const char *name, void *value, void *arg) { struct attr *a; struct loclist *ll; FILE *fp = arg; a = value; if (!a->a_iattr) return (0); if (ht_lookup(selecttab, name) == NULL) return (0); if (a->a_locs) { fprintf(fp, "static const struct cfiattrdata %scf_iattrdata = {\n", name); fprintf(fp, "\t\"%s\", %d, {\n", name, a->a_loclen); for (ll = a->a_locs; ll; ll = ll->ll_next) fprintf(fp, "\t\t{ \"%s\", \"%s\", %s },\n", ll->ll_name, (ll->ll_string ? ll->ll_string : "NULL"), (ll->ll_string ? ll->ll_string : "0")); fprintf(fp, "\t}\n};\n"); } else { fprintf(fp, "static const struct cfiattrdata %scf_iattrdata = {\n" "\t\"%s\", 0, {\n\t\t{ NULL, NULL, 0 },\n\t}\n};\n", name, name); } return 0; } static void emitcfdrivers(FILE *fp) { struct devbase *d; struct attrlist *al; struct attr *a; int has_iattrs; NEWLINE; ht_enumerate(attrtab, cf_locators_print, fp); NEWLINE; TAILQ_FOREACH(d, &allbases, d_next) { if (!devbase_has_instances(d, WILD)) continue; has_iattrs = 0; for (al = d->d_attrs; al != NULL; al = al->al_next) { a = al->al_this; if (a->a_iattr == 0) continue; if (has_iattrs == 0) fprintf(fp, "static const struct cfiattrdata * const %s_attrs[] = { ", d->d_name); has_iattrs = 1; fprintf(fp, "&%scf_iattrdata, ", a->a_name); } if (has_iattrs) fprintf(fp, "NULL };\n"); fprintf(fp, "CFDRIVER_DECL(%s, %s, ", d->d_name, /* ) */ d->d_classattr != NULL ? d->d_classattr->a_devclass : "DV_DULL"); if (has_iattrs) fprintf(fp, "%s_attrs", d->d_name); else fprintf(fp, "NULL"); fprintf(fp, /* ( */ ");\n\n"); } NEWLINE; fprintf(fp, "%sstruct cfdriver * const cfdriver_%s_%s[] = {\n", ioconfname ? "static " : "", ioconfname ? "ioconf" : "list", ioconfname ? ioconfname : "initial"); TAILQ_FOREACH(d, &allbases, d_next) { if (!devbase_has_instances(d, WILD)) continue; fprintf(fp, "\t&%s_cd,\n", d->d_name); } fprintf(fp, "\tNULL\n};\n"); } static void emitexterns(FILE *fp) { struct deva *da; NEWLINE; TAILQ_FOREACH(da, &alldevas, d_next) { if (!deva_has_instances(da, WILD)) continue; fprintf(fp, "extern struct cfattach %s_ca;\n", da->d_name); } } static void emitcfattachinit(FILE *fp) { struct devbase *d; struct deva *da; NEWLINE; TAILQ_FOREACH(d, &allbases, d_next) { if (!devbase_has_instances(d, WILD)) continue; if (d->d_ahead == NULL) continue; fprintf(fp, "static struct cfattach * const %s_cfattachinit[] = {\n\t", d->d_name); for (da = d->d_ahead; da != NULL; da = da->d_bsame) { if (!deva_has_instances(da, WILD)) continue; fprintf(fp, "&%s_ca, ", da->d_name); } fprintf(fp, "NULL\n};\n"); } NEWLINE; fprintf(fp, "%sconst struct cfattachinit cfattach%s%s[] = {\n", ioconfname ? "static " : "", ioconfname ? "_ioconf_" : "init", ioconfname ? ioconfname : ""); TAILQ_FOREACH(d, &allbases, d_next) { if (!devbase_has_instances(d, WILD)) continue; if (d->d_ahead == NULL) continue; fprintf(fp, "\t{ \"%s\", %s_cfattachinit },\n", d->d_name, d->d_name); } fprintf(fp, "\t{ NULL, NULL }\n};\n"); } static void emitloc(FILE *fp) { int i; if (locators.used != 0) { fprintf(fp, "\n/* locators */\n" "static int loc[%d] = {", locators.used); for (i = 0; i < locators.used; i++) fprintf(fp, "%s%s,", SEP(i, 8), locators.vec[i]); fprintf(fp, "\n};\n"); } } /* * Emit static parent data. */ static void emitparents(FILE *fp) { struct pspec *p; int inst = -1; NEWLINE; TAILQ_FOREACH(p, &allpspecs, p_list) { if (p->p_devs == NULL || p->p_active != DEVI_ACTIVE) continue; if (inst >= p->p_inst) continue; inst = p->p_inst; fprintf(fp, "static const struct cfparent pspec%d = {\n", p->p_inst); fprintf(fp, "\t\"%s\", ", p->p_iattr->a_name); if (p->p_atdev != NULL) { fprintf(fp, "\"%s\", ", p->p_atdev->d_name); if (p->p_atunit == WILD) fprintf(fp, "DVUNIT_ANY"); else fprintf(fp, "%d", p->p_atunit); } else fprintf(fp, "NULL, 0"); fprintf(fp, "\n};\n"); } } /* * Emit the cfdata array. */ static void emitcfdata(FILE *fp) { struct devi **p, *i; struct pspec *ps; int unit, v; const char *state, *basename, *attachment; struct loclist *ll; struct attr *a; const char *loc; char locbuf[20]; const char *lastname = ""; fprintf(fp, "\n" "#define NORM FSTATE_NOTFOUND\n" "#define STAR FSTATE_STAR\n" "\n" "%sstruct cfdata cfdata%s%s[] = {\n" " /* driver attachment unit state " " loc flags pspec */\n", ioconfname ? "static " : "", ioconfname ? "_ioconf_" : "", ioconfname ? ioconfname : ""); for (p = packed; (i = *p) != NULL; p++) { /* the description */ fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name); if ((ps = i->i_pspec) != NULL) { if (ps->p_atdev != NULL && ps->p_atunit != WILD) { fprintf(fp, "%s%d", ps->p_atdev->d_name, ps->p_atunit); } else if (ps->p_atdev != NULL) { fprintf(fp, "%s?", ps->p_atdev->d_name); } else { fprintf(fp, "%s?", ps->p_iattr->a_name); } a = ps->p_iattr; for (ll = a->a_locs, v = 0; ll != NULL; ll = ll->ll_next, v++) { if (ARRNAME(ll->ll_name, lastname)) { fprintf(fp, " %s %s", ll->ll_name, i->i_locs[v]); } else { fprintf(fp, " %s %s", ll->ll_name, i->i_locs[v]); lastname = ll->ll_name; } } } else { a = NULL; fputs("root", fp); } fputs(" */\n", fp); /* then the actual defining line */ basename = i->i_base->d_name; attachment = i->i_atdeva->d_name; if (i->i_unit == STAR) { unit = i->i_base->d_umax; state = "STAR"; } else { unit = i->i_unit; state = "NORM"; } if (i->i_locoff >= 0) { (void)snprintf(locbuf, sizeof(locbuf), "loc+%3d", i->i_locoff); loc = locbuf; } else loc = "NULL"; fprintf(fp, " { \"%s\",%s\"%s\",%s%2d, %s, %7s, %#6x, ", basename, strlen(basename) < 7 ? "\t\t" : "\t", attachment, strlen(attachment) < 5 ? "\t\t" : "\t", unit, state, loc, i->i_cfflags); if (ps != NULL) fprintf(fp, "&pspec%d },\n", ps->p_inst); else fputs("NULL },\n", fp); } fprintf(fp, " { %s,%s%s,%s%2d, %s, %7s, %#6x, %s }\n};\n", "NULL", "\t\t", "NULL", "\t\t", 0, " 0", "NULL", 0, "NULL"); } /* * Emit the table of potential roots. */ static void emitroots(FILE *fp) { struct devi **p, *i; fputs("\nconst short cfroots[] = {\n", fp); for (p = packed; (i = *p) != NULL; p++) { if (i->i_at != NULL) continue; if (i->i_unit != 0 && (i->i_unit != STAR || i->i_base->d_umax != 0)) warnx("warning: `%s at root' is not unit 0", i->i_name); fprintf(fp, "\t%2d /* %s */,\n", i->i_cfindex, i->i_name); } fputs("\t-1\n};\n", fp); } /* * Emit pseudo-device initialization. */ static void emitpseudo(FILE *fp) { struct devi *i; struct devbase *d; fputs("\n/* pseudo-devices */\n", fp); fputs("\nconst struct pdevinit pdevinit[] = {\n", fp); TAILQ_FOREACH(i, &allpseudo, i_next) { d = i->i_base; fprintf(fp, "\t{ %sattach, %d },\n", d->d_name, d->d_umax); } fputs("\t{ 0, 0 }\n};\n", fp); } /* * Emit name to major block number table. */ void emitname2blk(FILE *fp) { struct devbase *dev; fputs("\n/* device name to major block number */\n", fp); fprintf(fp, "struct devnametobdevmaj dev_name2blk[] = {\n"); TAILQ_FOREACH(dev, &allbases, d_next) { if (dev->d_major == NODEVMAJOR) continue; fprintf(fp, "\t{ \"%s\", %d },\n", dev->d_name, dev->d_major); } fprintf(fp, "\t{ NULL, 0 }\n};\n"); }