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500 lines
12 KiB
500 lines
12 KiB
/* $OpenBSD: mkioconf.c,v 1.16 2001/02/04 20:42:12 maja Exp $ */
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/* $NetBSD: mkioconf.c,v 1.41 1996/11/11 14:18:49 mycroft 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. 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, Berkeley and its contributors.
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* 4. 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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#include <sys/param.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 "config.h"
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/*
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* Make ioconf.c.
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*/
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static int cforder(const void *, const void *);
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static int emitcfdata(FILE *);
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static int emitexterns(FILE *);
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static int emithdr(FILE *);
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static int emitloc(FILE *);
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static int emitlocnames(FILE *);
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static int emitpseudo(FILE *);
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static int emitpv(FILE *);
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static int emitroots(FILE *);
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#define SEP(pos, max) (((u_int)(pos) % (max)) == 0 ? "\n\t" : " ")
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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 if (putc('\n', fp) < 0) return (1)
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int
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mkioconf()
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{
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register FILE *fp;
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int v;
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qsort(packed, npacked, sizeof *packed, cforder);
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if ((fp = fopen("ioconf.c", "w")) == NULL) {
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(void)fprintf(stderr, "config: cannot write ioconf.c: %s\n",
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strerror(errno));
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return (1);
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}
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v = emithdr(fp);
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if (v != 0 || emitexterns(fp) || emitloc(fp) ||
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emitlocnames(fp) || emitpv(fp) || emitcfdata(fp) ||
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emitroots(fp) || emitpseudo(fp)) {
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if (v >= 0)
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(void)fprintf(stderr,
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"config: error writing ioconf.c: %s\n",
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strerror(errno));
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(void)fclose(fp);
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/* (void)unlink("ioconf.c"); */
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return (1);
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}
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if (fputs("#endif /* NMAINBUS */\n", fp) < 0)
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return (1);
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(void)fclose(fp);
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return (0);
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}
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static int
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cforder(a, b)
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const void *a, *b;
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{
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register int n1, n2;
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n1 = (*(struct devi **)a)->i_cfindex;
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n2 = (*(struct devi **)b)->i_cfindex;
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return (n1 - n2);
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}
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static int
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emithdr(ofp)
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register FILE *ofp;
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{
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register FILE *ifp;
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register size_t n;
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char ifn[200], buf[BUFSIZ];
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if (fprintf(ofp, "\
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/*\n\
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* MACHINE GENERATED: DO NOT EDIT\n\
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*\n\
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* ioconf.c, from \"%s\"\n\
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*/\n\n", conffile) < 0)
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return (1);
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(void)sprintf(ifn, "ioconf.incl.%s", machine);
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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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if (fwrite(buf, 1, n, ofp) != n)
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return (1);
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if (ferror(ifp)) {
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(void)fprintf(stderr, "config: error reading %s: %s\n",
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ifn, strerror(errno));
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(void)fclose(ifp);
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return (-1);
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}
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(void)fclose(ifp);
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} else {
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if (fputs("\
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#include \"mainbus.h\"\n\
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#if NMAINBUS > 0\n\
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#include <sys/param.h>\n\
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#include <sys/device.h>\n", ofp) < 0)
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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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emitexterns(fp)
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register FILE *fp;
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{
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register struct devbase *d;
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register struct deva *da;
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NEWLINE;
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for (d = allbases; d != NULL; d = d->d_next) {
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if (!devbase_has_instances(d, WILD))
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continue;
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if (fprintf(fp, "extern struct cfdriver %s_cd;\n",
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d->d_name) < 0)
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return (1);
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}
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NEWLINE;
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for (da = alldevas; da != NULL; da = da->d_next) {
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if (!deva_has_instances(da, WILD))
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continue;
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if (fprintf(fp, "extern struct cfattach %s_ca;\n",
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da->d_name) < 0)
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return (1);
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}
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NEWLINE;
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return (0);
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}
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static int
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emitloc(fp)
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register FILE *fp;
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{
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register int i;
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if (fprintf(fp, "\n/* locators */\n\
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static int loc[%d] = {", locators.used) < 0)
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return (1);
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for (i = 0; i < locators.used; i++)
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if (fprintf(fp, "%s%s,", SEP(i, 8), locators.vec[i]) < 0)
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return (1);
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if (fprintf(fp, "\n};\n") < 0)
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return(1);
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return (fprintf(fp, "\n#ifndef MAXEXTRALOC\n\
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#define MAXEXTRALOC 32\n\
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#endif\n\
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int extraloc[MAXEXTRALOC];\n\
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int nextraloc = MAXEXTRALOC;\n\
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int uextraloc = 0;\n") < 0);
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}
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static int nlocnames, maxlocnames = 8;
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static char **locnames;
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short
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addlocname(name)
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char *name;
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{
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int i;
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if (locnames == NULL || nlocnames+1 > maxlocnames) {
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maxlocnames *= 4;
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locnames = (char **)realloc(locnames, maxlocnames * sizeof(char *));
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}
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for (i = 0; i < nlocnames; i++)
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if (strcmp(name, locnames[i]) == 0)
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return (i);
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/*printf("adding %s at %d\n", name, nlocnames);*/
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locnames[nlocnames++] = name;
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return (nlocnames - 1);
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}
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static int nlocnami, maxlocnami = 8;
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static short *locnami;
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void
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addlocnami(index)
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short index;
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{
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if (locnami == NULL || nlocnami+1 > maxlocnami) {
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maxlocnami *= 4;
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locnami = (short *)realloc(locnami, maxlocnami * sizeof(short));
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}
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locnami[nlocnami++] = index;
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}
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/*
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* Emit locator names
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* XXX the locnamp[] table is not compressed like it should be!
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*/
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static int
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emitlocnames(fp)
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register FILE *fp;
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{
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register struct devi **p, *i;
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register struct nvlist *nv;
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register struct attr *a;
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int added, start;
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int v, j, x;
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#if 1
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addlocnami(-1);
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for (p = packed; (i = *p) != NULL; p++) {
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/*printf("child %s\n", i->i_name);*/
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/* initialize all uninitialized parents */
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for (x = 0; x < i->i_pvlen; x++) {
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if (i->i_parents[x]->i_plocnami)
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continue;
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start = nlocnami;
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/* add all the names */
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a = i->i_atattr;
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nv = a->a_locs;
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added = 0;
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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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addlocnami(addlocname(nv->nv_name));
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added = 1;
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}
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/* terminate list of names */
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if (added)
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addlocnami(-1);
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else
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start--;
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/*printf("bus %s starts at %d\n", i->i_parents[x]->i_name,
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start);*/
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i->i_parents[x]->i_plocnami = start;
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}
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}
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for (p = packed; (i = *p) != NULL; p++)
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if (i->i_pvlen)
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i->i_locnami = i->i_parents[0]->i_plocnami;
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#else
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addlocnami(-1);
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for (p = packed; (i = *p) != NULL; p++) {
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i->i_locnami = nlocnami;
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/* add all the names */
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a = i->i_atattr;
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nv = a->a_locs;
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for (nv = a->a_locs, v = 0; nv != NULL; nv = nv->nv_next, v++)
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addlocnami(addlocname(nv->nv_name));
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/* terminate list of names */
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addlocnami(-1);
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}
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#endif
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if (fprintf(fp, "\nchar *locnames[] = {\n") < 0)
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return (1);
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for (j = 0; j < nlocnames; j++)
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if (fprintf(fp, "\t\"%s\",\n", locnames[j]) < 0)
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return (1);
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if (fprintf(fp, "};\n\n") < 0)
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return (1);
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if (fprintf(fp,
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"/* each entry is an index into locnames[]; -1 terminates */\n") < 0)
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return (1);
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if (fprintf(fp, "short locnamp[] = {") < 0)
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return (1);
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for (j = 0; j < nlocnami; j++)
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if (fprintf(fp, "%s%d,", SEP(j, 8), locnami[j]) < 0)
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return (1);
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return (fprintf(fp, "\n};\n") < 0);
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}
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/*
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* Emit global parents-vector.
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*/
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static int
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emitpv(fp)
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register FILE *fp;
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{
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register int i;
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if (fprintf(fp, "\n/* size of parent vectors */\n\
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int pv_size = %d;\n", parents.used) < 0)
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return (1);
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if (fprintf(fp, "\n/* parent vectors */\n\
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short pv[%d] = {", parents.used) < 0)
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return (1);
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for (i = 0; i < parents.used; i++)
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if (fprintf(fp, "%s%d,", SEP(i, 16), parents.vec[i]) < 0)
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return (1);
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return (fprintf(fp, "\n};\n") < 0);
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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 int
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emitcfdata(fp)
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register FILE *fp;
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{
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register struct devi **p, *i, **par;
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register int unit, v;
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register const char *vs, *state, *basename, *attachment;
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register struct nvlist *nv;
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register struct attr *a;
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char *loc;
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char locbuf[20];
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if (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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#define DNRM FSTATE_DNOTFOUND\n\
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#define DSTR FSTATE_DSTAR\n\
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\n\
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struct cfdata cfdata[] = {\n\
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/* attachment driver unit state loc flags parents nm ivstubs starunit1 */\n") < 0)
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return (1);
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for (p = packed; (i = *p) != NULL; p++) {
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/* the description */
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if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0)
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return (1);
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par = i->i_parents;
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for (v = 0; v < i->i_pvlen; v++)
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if (fprintf(fp, "%s%s", v == 0 ? "" : "|",
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i->i_parents[v]->i_name) < 0)
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return (1);
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if (v == 0 && fputs("root", fp) < 0)
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return (1);
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a = i->i_atattr;
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nv = a->a_locs;
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for (nv = a->a_locs, v = 0; nv != NULL; nv = nv->nv_next, v++)
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if (fprintf(fp, " %s %s",
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nv->nv_name, i->i_locs[v]) < 0)
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return (1);
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if (fputs(" */\n", fp) < 0)
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return (-1);
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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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if (i->i_disable) {
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state = "DSTR";
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} else {
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state = "STAR";
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}
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} else {
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unit = i->i_unit;
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if (i->i_disable) {
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state = "DNRM";
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} else {
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state = "NORM";
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}
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}
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vs = "";
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v = 0;
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if (i->i_locoff >= 0) {
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(void)sprintf(locbuf, "loc+%3d", i->i_locoff);
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loc = locbuf;
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} else
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loc = "loc";
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if (fprintf(fp, "\
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{&%s_ca,%s&%s_cd,%s%2d, %s, %7s, %#4x, pv+%2d, %d, %s%d, %4d},\n",
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attachment, strlen(attachment) < 6 ? "\t\t" : "\t",
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basename, strlen(basename) < 3 ? "\t\t" : "\t", unit,
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state, loc, i->i_cfflags, i->i_pvoff, i->i_locnami,
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vs, v, unit) < 0)
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return (1);
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}
|
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if (fprintf(fp, " {0},\n {0},\n {0},\n {0},\n") < 0)
|
|
return (1);
|
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if (fprintf(fp, " {0},\n {0},\n {0},\n {0},\n") < 0)
|
|
return (1);
|
|
return (fputs(" {(struct cfattach *)-1}\n};\n", fp) < 0);
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|
}
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|
|
/*
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|
* Emit the table of potential roots.
|
|
*/
|
|
static int
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emitroots(fp)
|
|
register FILE *fp;
|
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{
|
|
register struct devi **p, *i;
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|
int cnt = 0;
|
|
|
|
if (fputs("\nshort cfroots[] = {\n", fp) < 0)
|
|
return (1);
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|
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))
|
|
(void)fprintf(stderr,
|
|
"config: warning: `%s at root' is not unit 0\n",
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|
i->i_name);
|
|
if (fprintf(fp, "\t%2d /* %s */,\n",
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|
i->i_cfindex, i->i_name) < 0)
|
|
return (1);
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|
cnt++;
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|
}
|
|
if (fputs("\t-1\n};\n", fp) < 0)
|
|
return (1);
|
|
|
|
return(fprintf(fp, "\nint cfroots_size = %d;\n", cnt+1) < 0);
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|
}
|
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|
|
/*
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|
* Emit pseudo-device initialization.
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|
*/
|
|
static int
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|
emitpseudo(fp)
|
|
register FILE *fp;
|
|
{
|
|
register struct devi *i;
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|
register struct devbase *d;
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|
int cnt = 0;
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|
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if (fputs("\n/* pseudo-devices */\n", fp) < 0)
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return (1);
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|
for (i = allpseudo; i != NULL; i = i->i_next)
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|
if (fprintf(fp, "extern void %sattach (int);\n",
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|
i->i_base->d_name) < 0)
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|
return (1);
|
|
if (fputs("\nchar *pdevnames[] = {\n", fp) < 0)
|
|
return (1);
|
|
for (i = allpseudo; i != NULL; i = i->i_next) {
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|
d = i->i_base;
|
|
if (fprintf(fp, "\t\"%s\",\n", d->d_name) < 0)
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return (1);
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cnt++;
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|
}
|
|
if (fputs("};\n", fp) < 0)
|
|
return (1);
|
|
if (fprintf(fp, "\nint pdevnames_size = %d;\n", cnt) < 0)
|
|
return (1);
|
|
if (fputs("\nstruct pdevinit pdevinit[] = {\n", fp) < 0)
|
|
return (1);
|
|
for (i = allpseudo; i != NULL; i = i->i_next) {
|
|
d = i->i_base;
|
|
if (fprintf(fp, "\t{ %sattach, %d },\n",
|
|
d->d_name, d->d_umax) < 0)
|
|
return (1);
|
|
}
|
|
return (fputs("\t{ 0, 0 }\n};\n", fp) < 0);
|
|
}
|
|
|