b7a2b071f9
This was nagging me already yesterday, but I decided to leave it alone for better compat with old ioconf.c builds. But as it turns out, new code depends on newly built ioconf.c with a new config(1) anyway, so renaming is not an issue (at least not at this stage). While renaming, namespace cfdriver and cfattach in "ioconf" rather than "comp", since the former reflects the config(5) keyword.
512 lines
12 KiB
C
512 lines
12 KiB
C
/* $NetBSD: mkioconf.c,v 1.18 2010/03/26 15:51:17 pooka Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratories.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)mkioconf.c 8.1 (Berkeley) 6/6/93
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/param.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "defs.h"
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/*
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* Make ioconf.c.
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*/
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static int cf_locators_print(const char *, void *, void *);
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static int cforder(const void *, const void *);
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static void emitcfdata(FILE *);
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static void emitcfdrivers(FILE *);
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static void emitexterns(FILE *);
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static void emitcfattachinit(FILE *);
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static void emithdr(FILE *);
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static void emitloc(FILE *);
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static void emitpseudo(FILE *);
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static void emitparents(FILE *);
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static void emitroots(FILE *);
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static void emitname2blk(FILE *);
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#define SEP(pos, max) (((u_int)(pos) % (max)) == 0 ? "\n\t" : " ")
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#define ARRNAME(n, l) (strchr((n), ARRCHR) && strncmp((n), (l), strlen((l))) == 0)
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/*
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* NEWLINE can only be used in the emitXXX functions.
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* In most cases it can be subsumed into an fprintf.
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*/
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#define NEWLINE putc('\n', fp)
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int
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mkioconf(void)
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{
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FILE *fp;
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qsort(packed, npacked, sizeof *packed, cforder);
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if ((fp = fopen("ioconf.c.tmp", "w")) == NULL) {
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warn("cannot write ioconf.c");
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return (1);
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}
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emithdr(fp);
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emitcfdrivers(fp);
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emitexterns(fp);
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emitloc(fp);
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emitparents(fp);
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emitcfdata(fp);
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emitcfattachinit(fp);
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if (ioconfname == NULL) {
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emitroots(fp);
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emitpseudo(fp);
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if (!do_devsw)
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emitname2blk(fp);
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}
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fflush(fp);
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if (ferror(fp)) {
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warn("error writing ioconf.c");
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(void)fclose(fp);
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#if 0
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(void)unlink("ioconf.c.tmp");
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#endif
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return (1);
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}
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(void)fclose(fp);
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if (moveifchanged("ioconf.c.tmp", "ioconf.c") != 0) {
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warn("error renaming ioconf.c");
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return (1);
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}
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return (0);
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}
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static int
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cforder(const void *a, const void *b)
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{
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int n1, n2;
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n1 = (*(const struct devi * const *)a)->i_cfindex;
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n2 = (*(const struct devi * const *)b)->i_cfindex;
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return (n1 - n2);
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}
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static void
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emithdr(FILE *ofp)
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{
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FILE *ifp;
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int n;
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char ifnbuf[200], buf[BUFSIZ];
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char *ifn;
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autogen_comment(ofp, "ioconf.c");
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(void)snprintf(ifnbuf, sizeof(ifnbuf), "arch/%s/conf/ioconf.incl.%s",
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machine, machine);
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ifn = sourcepath(ifnbuf);
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if ((ifp = fopen(ifn, "r")) != NULL) {
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while ((n = fread(buf, 1, sizeof(buf), ifp)) > 0)
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(void)fwrite(buf, 1, n, ofp);
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if (ferror(ifp))
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err(EXIT_FAILURE, "error reading %s", ifn);
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(void)fclose(ifp);
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} else {
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fputs("#include <sys/param.h>\n"
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"#include <sys/conf.h>\n"
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"#include <sys/device.h>\n"
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"#include <sys/mount.h>\n", ofp);
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}
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free(ifn);
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}
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/*
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* Emit an initialized array of character strings describing this
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* attribute's locators.
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*/
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static int
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cf_locators_print(const char *name, void *value, void *arg)
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{
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struct attr *a;
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struct nvlist *nv;
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FILE *fp = arg;
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a = value;
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if (!a->a_iattr)
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return (0);
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if (a->a_locs) {
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fprintf(fp,
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"static const struct cfiattrdata %scf_iattrdata = {\n",
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name);
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fprintf(fp, "\t\"%s\", %d,\n\t{\n", name, a->a_loclen);
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for (nv = a->a_locs; nv; nv = nv->nv_next)
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fprintf(fp, "\t\t{ \"%s\", \"%s\", %s },\n",
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nv->nv_name,
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(nv->nv_str ? nv->nv_str : "NULL"),
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(nv->nv_str ? nv->nv_str : "0"));
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fprintf(fp, "\t}\n};\n");
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} else {
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fprintf(fp,
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"static const struct cfiattrdata %scf_iattrdata = {\n"
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"\t\"%s\", 0, {\n\t\t{ NULL, NULL, 0 },\n\t}\n};\n",
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name, name);
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}
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return 0;
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}
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static void
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emitcfdrivers(FILE *fp)
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{
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struct devbase *d;
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struct nvlist *nv;
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struct attr *a;
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int has_iattrs;
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NEWLINE;
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ht_enumerate(attrtab, cf_locators_print, fp);
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NEWLINE;
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TAILQ_FOREACH(d, &allbases, d_next) {
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if (!devbase_has_instances(d, WILD))
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continue;
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has_iattrs = 0;
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for (nv = d->d_attrs; nv != NULL; nv = nv->nv_next) {
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a = nv->nv_ptr;
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if (a->a_iattr == 0)
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continue;
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if (has_iattrs == 0)
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fprintf(fp,
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"static const struct cfiattrdata * const %s_attrs[] = { ",
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d->d_name);
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has_iattrs = 1;
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fprintf(fp, "&%scf_iattrdata, ", a->a_name);
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}
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if (has_iattrs)
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fprintf(fp, "NULL };\n");
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fprintf(fp, "CFDRIVER_DECL(%s, %s, ", d->d_name, /* ) */
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d->d_classattr != NULL ? d->d_classattr->a_devclass
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: "DV_DULL");
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if (has_iattrs)
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fprintf(fp, "%s_attrs", d->d_name);
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else
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fprintf(fp, "NULL");
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fprintf(fp, /* ( */ ");\n\n");
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}
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NEWLINE;
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fprintf(fp,
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"%sstruct cfdriver * const cfdriver_%s_%s[] = {\n",
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ioconfname ? "static " : "",
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ioconfname ? "ioconf" : "list",
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ioconfname ? ioconfname : "initial");
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TAILQ_FOREACH(d, &allbases, d_next) {
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if (!devbase_has_instances(d, WILD))
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continue;
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fprintf(fp, "\t&%s_cd,\n", d->d_name);
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}
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fprintf(fp, "\tNULL\n};\n");
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}
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static void
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emitexterns(FILE *fp)
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{
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struct deva *da;
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NEWLINE;
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TAILQ_FOREACH(da, &alldevas, d_next) {
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if (!deva_has_instances(da, WILD))
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continue;
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fprintf(fp, "extern struct cfattach %s_ca;\n",
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da->d_name);
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}
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}
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static void
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emitcfattachinit(FILE *fp)
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{
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struct devbase *d;
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struct deva *da;
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NEWLINE;
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TAILQ_FOREACH(d, &allbases, d_next) {
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if (!devbase_has_instances(d, WILD))
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continue;
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if (d->d_ahead == NULL)
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continue;
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fprintf(fp,
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"static struct cfattach * const %s_cfattachinit[] = {\n\t",
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d->d_name);
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for (da = d->d_ahead; da != NULL; da = da->d_bsame) {
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if (!deva_has_instances(da, WILD))
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continue;
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fprintf(fp, "&%s_ca, ", da->d_name);
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}
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fprintf(fp, "NULL\n};\n");
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}
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NEWLINE;
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fprintf(fp, "%sconst struct cfattachinit cfattach%s%s[] = {\n",
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ioconfname ? "static " : "",
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ioconfname ? "_ioconf_" : "init",
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ioconfname ? ioconfname : "");
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TAILQ_FOREACH(d, &allbases, d_next) {
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if (!devbase_has_instances(d, WILD))
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continue;
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if (d->d_ahead == NULL)
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continue;
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fprintf(fp, "\t{ \"%s\", %s_cfattachinit },\n",
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d->d_name, d->d_name);
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}
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fprintf(fp, "\t{ NULL, NULL }\n};\n");
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}
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static void
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emitloc(FILE *fp)
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{
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int i;
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if (locators.used != 0) {
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fprintf(fp, "\n/* locators */\n"
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"static int loc[%d] = {", locators.used);
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for (i = 0; i < locators.used; i++)
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fprintf(fp, "%s%s,", SEP(i, 8), locators.vec[i]);
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fprintf(fp, "\n};\n");
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} else if (*packed != NULL) {
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/* We need to have *something*. */
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fprintf(fp, "\n/* locators */\n"
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"static int loc[1] = { -1 };\n");
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}
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}
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/*
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* Emit static parent data.
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*/
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static void
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emitparents(FILE *fp)
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{
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struct pspec *p;
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NEWLINE;
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TAILQ_FOREACH(p, &allpspecs, p_list) {
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if (p->p_devs == NULL || p->p_active != DEVI_ACTIVE)
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continue;
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fprintf(fp,
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"static const struct cfparent pspec%d = {\n", p->p_inst);
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fprintf(fp, "\t\"%s\", ", p->p_iattr->a_name);
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if (p->p_atdev != NULL) {
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fprintf(fp, "\"%s\", ", p->p_atdev->d_name);
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if (p->p_atunit == WILD)
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fprintf(fp, "DVUNIT_ANY");
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else
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fprintf(fp, "%d", p->p_atunit);
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} else
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fprintf(fp, "NULL, 0");
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fprintf(fp, "\n};\n");
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}
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}
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/*
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* Emit the cfdata array.
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*/
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static void
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emitcfdata(FILE *fp)
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{
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struct devi **p, *i;
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struct pspec *ps;
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int unit, v;
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const char *state, *basename, *attachment;
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struct nvlist *nv;
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struct attr *a;
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const char *loc;
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char locbuf[20];
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const char *lastname = "";
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fprintf(fp, "\n"
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"#define NORM FSTATE_NOTFOUND\n"
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"#define STAR FSTATE_STAR\n"
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"\n"
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"%sstruct cfdata cfdata%s%s[] = {\n"
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" /* driver attachment unit state "
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"loc flags pspec */\n",
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ioconfname ? "static " : "",
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ioconfname ? "_ioconf_" : "",
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ioconfname ? ioconfname : "");
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for (p = packed; (i = *p) != NULL; p++) {
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/* the description */
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fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name);
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if ((ps = i->i_pspec) != NULL) {
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if (ps->p_atdev != NULL &&
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ps->p_atunit != WILD) {
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fprintf(fp, "%s%d", ps->p_atdev->d_name,
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ps->p_atunit);
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} else if (ps->p_atdev != NULL) {
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fprintf(fp, "%s?", ps->p_atdev->d_name);
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} else {
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fprintf(fp, "%s?", ps->p_iattr->a_name);
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}
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a = ps->p_iattr;
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for (nv = a->a_locs, v = 0; nv != NULL;
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nv = nv->nv_next, v++) {
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if (ARRNAME(nv->nv_name, lastname)) {
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fprintf(fp, " %s %s",
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nv->nv_name, i->i_locs[v]);
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} else {
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fprintf(fp, " %s %s",
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nv->nv_name,
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i->i_locs[v]);
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lastname = nv->nv_name;
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}
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}
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} else {
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a = NULL;
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fputs("root", fp);
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}
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fputs(" */\n", fp);
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/* then the actual defining line */
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basename = i->i_base->d_name;
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attachment = i->i_atdeva->d_name;
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if (i->i_unit == STAR) {
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unit = i->i_base->d_umax;
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state = "STAR";
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} else {
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unit = i->i_unit;
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state = "NORM";
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}
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if (i->i_locoff >= 0) {
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(void)snprintf(locbuf, sizeof(locbuf), "loc+%3d",
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i->i_locoff);
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loc = locbuf;
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} else
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loc = "loc";
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fprintf(fp, " { \"%s\",%s\"%s\",%s%2d, %s, %7s, %#6x, ",
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basename, strlen(basename) < 8 ? "\t\t"
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: "\t",
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attachment, strlen(attachment) < 5 ? "\t\t"
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: "\t",
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unit, state, loc, i->i_cfflags);
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if (ps != NULL)
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fprintf(fp, "&pspec%d },\n", ps->p_inst);
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else
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fputs("NULL },\n", fp);
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}
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fprintf(fp, " { %s,%s%s,%s%2d, %s, %7s, %#6x, %s }\n};\n",
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"NULL", "\t\t", "NULL", "\t\t", 0, "0", "NULL", 0, "NULL");
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}
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/*
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* Emit the table of potential roots.
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*/
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static void
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emitroots(FILE *fp)
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{
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struct devi **p, *i;
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fputs("\nconst short cfroots[] = {\n", fp);
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for (p = packed; (i = *p) != NULL; p++) {
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if (i->i_at != NULL)
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continue;
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if (i->i_unit != 0 &&
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(i->i_unit != STAR || i->i_base->d_umax != 0))
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warnx("warning: `%s at root' is not unit 0", i->i_name);
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fprintf(fp, "\t%2d /* %s */,\n",
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i->i_cfindex, i->i_name);
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}
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fputs("\t-1\n};\n", fp);
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}
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/*
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* Emit pseudo-device initialization.
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*/
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static void
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emitpseudo(FILE *fp)
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{
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struct devi *i;
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struct devbase *d;
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fputs("\n/* pseudo-devices */\n", fp);
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TAILQ_FOREACH(i, &allpseudo, i_next) {
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fprintf(fp, "void %sattach(int);\n",
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i->i_base->d_name);
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}
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fputs("\nstruct pdevinit pdevinit[] = {\n", fp);
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TAILQ_FOREACH(i, &allpseudo, i_next) {
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d = i->i_base;
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fprintf(fp, "\t{ %sattach, %d },\n",
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d->d_name, d->d_umax);
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}
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fputs("\t{ 0, 0 }\n};\n", fp);
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}
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/*
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* Emit name to major block number table.
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*/
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void
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emitname2blk(FILE *fp)
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{
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struct devbase *dev;
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fputs("\n/* device name to major block number */\n", fp);
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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");
|
|
}
|