396 lines
9.9 KiB
C
396 lines
9.9 KiB
C
/*
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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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* @(#)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 __P((const void *, const void *));
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static int emitcfdata __P((FILE *));
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static int emitexterns __P((FILE *));
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static int emithdr __P((FILE *));
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static int emitloc __P((FILE *));
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static int emitpseudo __P((FILE *));
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static int emitpv __P((FILE *));
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static int emitroots __P((FILE *));
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static int emitvec __P((FILE *));
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static char *vecname __P((char *, const char *, int));
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static const char *s_i386;
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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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register char *fname;
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int v;
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s_i386 = intern("i386");
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fname = path("ioconf.c");
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qsort(packed, npacked, sizeof *packed, cforder);
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if ((fp = fopen(fname, "w")) == NULL) {
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(void)fprintf(stderr, "config: cannot write %s: %s\n",
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fname, 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 || emitvec(fp) || emitexterns(fp) || emitloc(fp) ||
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emitpv(fp) || emitcfdata(fp) || 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 %s: %s\n",
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fname, strerror(errno));
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(void)fclose(fp);
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/* (void)unlink(fname); */
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free(fname);
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return (1);
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}
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(void)fclose(fp);
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free(fname);
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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 int 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 <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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NEWLINE;
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for (d = allbases; d != NULL; d = d->d_next) {
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if (d->d_ihead == NULL)
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continue;
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if (fprintf(fp, "extern struct cfdriver %scd;\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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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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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/* parent vectors */\n\
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static 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;
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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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\n\
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struct cfdata cfdata[] = {\n\
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\t/* driver unit state loc flags parents ivstubs */\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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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_ivoff < 0) {
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vs = "";
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v = 0;
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} else {
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vs = "vec+";
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v = i->i_ivoff;
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}
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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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\t{&%scd,%s%2d, %s, %7s, %#6x, pv+%2d, %s%d},\n",
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basename, strlen(basename) < 3 ? "\t\t" : "\t", unit,
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state, loc, i->i_cfflags, i->i_pvoff, vs, v) < 0)
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return (1);
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}
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return (fputs("\t{0}\n};\n", fp) < 0);
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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 int
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emitroots(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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if (fputs("\nshort cfroots[] = {\n", fp) < 0)
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return (1);
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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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(void)fprintf(stderr,
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"config: warning: `%s at root' is not unit 0\n",
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i->i_name);
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if (fprintf(fp, "\t%2d /* %s */,\n",
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i->i_cfindex, i->i_name) < 0)
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return (1);
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}
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return (fputs("\t-1\n};\n", fp) < 0);
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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 int
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emitpseudo(fp)
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register FILE *fp;
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{
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register struct devi *i;
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register struct devbase *d;
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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 __P((int));\n",
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i->i_base->d_name) < 0)
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return (1);
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if (fputs("\nstruct pdevinit pdevinit[] = {\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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d = i->i_base;
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if (fprintf(fp, "\t{ %sattach, %d },\n",
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d->d_name, d->d_umax) < 0)
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return (1);
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}
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return (fputs("\t{ 0, 0 }\n};\n", fp) < 0);
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}
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/*
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* Emit interrupt vector declarations, and calculate offsets.
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*/
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static int
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emitvec(fp)
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register FILE *fp;
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{
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register struct nvlist *head, *nv;
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register struct devi **p, *i;
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register int j, nvec, unit;
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char buf[200];
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nvec = 0;
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for (p = packed; (i = *p) != NULL; p++) {
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if ((head = i->i_base->d_vectors) == NULL)
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continue;
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if ((unit = i->i_unit) == STAR)
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panic("emitvec unit==STAR");
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if (nvec == 0)
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NEWLINE;
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for (j = 0, nv = head; nv != NULL; j++, nv = nv->nv_next)
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if (fprintf(fp,
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"/* IVEC %s %d */ extern void %s();\n",
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nv->nv_name, unit,
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vecname(buf, nv->nv_name, unit)) < 0)
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return (1);
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nvec += j + 1;
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}
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if (nvec == 0)
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return (0);
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if (fprintf(fp, "\nstatic void (*vec[%d]) __P((void)) = {", nvec) < 0)
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return (1);
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nvec = 0;
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for (p = packed; (i = *p) != NULL; p++) {
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if ((head = i->i_base->d_vectors) == NULL)
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continue;
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i->i_ivoff = nvec;
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unit = i->i_unit;
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for (nv = head; nv != NULL; nv = nv->nv_next)
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if (fprintf(fp, "%s%s,",
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SEP(nvec++, 4),
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vecname(buf, nv->nv_name, unit)) < 0)
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return (1);
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if (fprintf(fp, "%s0,", SEP(nvec++, 4)) < 0)
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return (1);
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}
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return (fputs("\n};\n", fp) < 0);
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}
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static char *
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vecname(buf, name, unit)
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char *buf;
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const char *name;
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int unit;
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{
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/* @#%* 386 uses a different name format */
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if (machine == s_i386) {
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(void)sprintf(buf, "V%s%d", name, unit);
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return (buf);
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}
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(void)sprintf(buf, "X%s%d", name, unit);
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return (buf);
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}
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