Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/config/mkioconf.c	Lines:	0	198	0.0 %
Date:	2017-11-13	Branches:	0	192	0.0 %


/*	$OpenBSD: mkioconf.c,v 1.37 2017/09/27 15:14:51 deraadt Exp $	*/
/*	$NetBSD: mkioconf.c,v 1.41 1996/11/11 14:18:49 mycroft Exp $	*/

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * All advertising materials mentioning features or use of this software
 * must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Lawrence Berkeley Laboratories.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)mkioconf.c	8.1 (Berkeley) 6/6/93
 */

#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"

/*
 * Make ioconf.c.
 */
static int cforder(const void *, const void *);
static int emitcfdata(FILE *);
static int emitexterns(FILE *);
static int emithdr(FILE *);
static int emitloc(FILE *);
static int emitlocnames(FILE *);
static int emitpseudo(FILE *);
static int emitpv(FILE *);
static int emitroots(FILE *);

#define	SEP(pos, max)	(((u_int)(pos) % (max)) == 0 ? "\n\t" : " ")

/*
 * NEWLINE can only be used in the emitXXX functions.
 * In most cases it can be subsumed into an fprintf.
 */
#define	NEWLINE		if (putc('\n', fp) < 0) return (1)

int
mkioconf(void)
{
	FILE *fp;
	int v;

	qsort(packed, npacked, sizeof *packed, cforder);
	if ((fp = fopen("ioconf.c", "w")) == NULL) {
		warn("cannot write ioconf.c");
		return (1);
	}
	v = emithdr(fp);
	if (v != 0 || emitexterns(fp) || emitloc(fp) ||
	    emitlocnames(fp) || emitpv(fp) || emitcfdata(fp) ||
	    emitroots(fp) || emitpseudo(fp)) {
		if (v >= 0)
			warn("error writing ioconf.c");
		(void)fclose(fp);
		/* (void)unlink("ioconf.c"); */
		return (1);
	}
	(void)fclose(fp);
	return (0);
}

static int
cforder(const void *a, const void *b)
{
	int n1, n2;

	n1 = (*(struct devi **)a)->i_cfindex;
	n2 = (*(struct devi **)b)->i_cfindex;
	return (n1 - n2);
}

static int
emithdr(FILE *ofp)
{
	FILE *ifp;
	size_t n;
	char ifn[200], buf[BUFSIZ];

	if (fprintf(ofp, "\
/*\n\
 * MACHINE GENERATED: DO NOT EDIT\n\
 *\n\
 * ioconf.c, from \"%s\"\n\
 */\n\n", conffile) < 0)
		return (1);
	(void)snprintf(ifn, sizeof ifn, "ioconf.incl.%s", machine);
	if ((ifp = fopen(ifn, "r")) != NULL) {
		while ((n = fread(buf, 1, sizeof(buf), ifp)) > 0)
			if (fwrite(buf, 1, n, ofp) != n)
				return (1);
		if (ferror(ifp)) {
			warn("error reading %s", ifn);
			(void)fclose(ifp);
			return (-1);
		}
		(void)fclose(ifp);
	} else {
		if (fputs("\
#include <sys/param.h>\n\
#include <sys/device.h>\n", ofp) < 0)
			return (1);
	}
	return (0);
}

static int
emitexterns(FILE *fp)
{
	struct devbase *d;
	struct deva *da;

	NEWLINE;
	for (d = allbases; d != NULL; d = d->d_next) {
		if (!devbase_has_instances(d, WILD))
			continue;
		if (fprintf(fp, "extern struct cfdriver %s_cd;\n",
			    d->d_name) < 0)
			return (1);
	}
	NEWLINE;
	for (da = alldevas; da != NULL; da = da->d_next) {
		if (!deva_has_instances(da, WILD))
			continue;
		if (fprintf(fp, "extern struct cfattach %s_ca;\n",
			    da->d_name) < 0)
			return (1);
	}
	NEWLINE;
	return (0);
}

static int
emitloc(FILE *fp)
{
	int i;

	if (fprintf(fp, "\n/* locators */\n\
static long loc[%d] = {", locators.used) < 0)
		return (1);
	for (i = 0; i < locators.used; i++)
		if (fprintf(fp, "%s%s,", SEP(i, 8), locators.vec[i]) < 0)
			return (1);
	if (fprintf(fp, "\n};\n") < 0)
		return(1);
	return (fprintf(fp, "\n#ifndef MAXEXTRALOC\n\
#define MAXEXTRALOC 32\n\
#endif\n\
long extraloc[MAXEXTRALOC] = { -1 }; /* extra locator space */\n\
int rextraloc = MAXEXTRALOC; /* remaining extra locators */\n\
const int textraloc = MAXEXTRALOC; /* total extra relocators */\n") < 0);
}

static int nlocnames, maxlocnames = 8;
static char **locnames;

short
addlocname(const char *name)
{
	int i;

	if (locnames == NULL || nlocnames+1 > maxlocnames) {
		maxlocnames *= 4;
		locnames = ereallocarray(locnames, maxlocnames, sizeof(char *));
	}
	for (i = 0; i < nlocnames; i++)
		if (strcmp(name, locnames[i]) == 0)
			return (i);
	/*printf("adding %s at %d\n", name, nlocnames);*/
	locnames[nlocnames++] = (char *)name;
	return (nlocnames - 1);
}

static int nlocnami, maxlocnami = 8;
static short *locnami;

void
addlocnami(short index)
{
	if (locnami == NULL || nlocnami+1 > maxlocnami) {
		maxlocnami *= 4;
		locnami = ereallocarray(locnami, maxlocnami, sizeof(short));
	}
	locnami[nlocnami++] = index;
}


/*
 * Emit locator names
 * XXX the locnamp[] table is not compressed like it should be!
 */
static int
emitlocnames(FILE *fp)
{
	struct devi **p, *i;
	struct nvlist *nv;
	struct attr *a;
	int added, start;
	int v, j, x;

	addlocnami(-1);
	for (p = packed; (i = *p) != NULL; p++) {
		/*printf("child %s\n", i->i_name);*/

		/* initialize all uninitialized parents */
		for (x = 0; x < i->i_pvlen; x++) {
			if (i->i_parents[x]->i_plocnami)
				continue;
			start = nlocnami;

			/* add all the names */
			a = i->i_atattr;
			added = 0;
			for (nv = a->a_locs, v = 0; nv != NULL;
			    nv = nv->nv_next, v++) {
				addlocnami(addlocname(nv->nv_name));
				added = 1;
			}
			/* terminate list of names */
			if (added)
				addlocnami(-1);
			else
				start--;

			/*printf("bus %s starts at %d\n", i->i_parents[x]->i_name,
			    start);*/
			i->i_parents[x]->i_plocnami = start;

		}
	}
	for (p = packed; (i = *p) != NULL; p++)
		if (i->i_pvlen)
			i->i_locnami = i->i_parents[0]->i_plocnami;
	if (fprintf(fp, "\nchar *locnames[] = {\n") < 0)
		return (1);
	for (j = 0; j < nlocnames; j++)
		if (fprintf(fp, "\t\"%s\",\n", locnames[j]) < 0)
			return (1);
	if (fprintf(fp, "};\n\n") < 0)
		return (1);

	if (fprintf(fp,
	    "/* each entry is an index into locnames[]; -1 terminates */\n") < 0)
		return (1);
	if (fprintf(fp, "short locnamp[] = {") < 0)
		return (1);
	for (j = 0; j < nlocnami; j++)
		if (fprintf(fp, "%s%d,", SEP(j, 8), locnami[j]) < 0)
			return (1);
	return (fprintf(fp, "\n};\n") < 0);
}


/*
 * Emit global parents-vector.
 */
static int
emitpv(FILE *fp)
{
	int i;

	if (fprintf(fp, "\n/* size of parent vectors */\n\
int pv_size = %d;\n", parents.used) < 0)
		return (1);
	if (fprintf(fp, "\n/* parent vectors */\n\
short pv[%d] = {", parents.used) < 0)
		return (1);
	for (i = 0; i < parents.used; i++)
		if (fprintf(fp, "%s%d,", SEP(i, 16), parents.vec[i]) < 0)
			return (1);
	return (fprintf(fp, "\n};\n") < 0);
}

/*
 * Emit the cfdata array.
 */
static int
emitcfdata(FILE *fp)
{
	struct devi **p, *i;
	int unit, v;
	const char *state, *basename, *attachment;
	struct nvlist *nv;
	struct attr *a;
	char *loc;
	char locbuf[20];

	if (fprintf(fp, "\n\
#define NORM FSTATE_NOTFOUND\n\
#define STAR FSTATE_STAR\n\
#define DNRM FSTATE_DNOTFOUND\n\
#define DSTR FSTATE_DSTAR\n\
\n\
struct cfdata cfdata[] = {\n\
    /* attachment       driver        unit  state loc     flags parents nm starunit1 */\n") < 0)
		return (1);
	for (p = packed; (i = *p) != NULL; p++) {
		/* the description */
		if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0)
			return (1);
		for (v = 0; v < i->i_pvlen; v++)
			if (fprintf(fp, "%s%s", v == 0 ? "" : "|",
			    i->i_parents[v]->i_name) < 0)
				return (1);
		if (v == 0 && fputs("root", fp) < 0)
			return (1);
		a = i->i_atattr;
		for (nv = a->a_locs, v = 0; nv != NULL; nv = nv->nv_next, v++)
			if (fprintf(fp, " %s %s",
			    nv->nv_name, i->i_locs[v]) < 0)
				return (1);
		if (fputs(" */\n", fp) < 0)
			return (-1);

		/* then the actual defining line */
		basename = i->i_base->d_name;
		attachment = i->i_atdeva->d_name;
		if (i->i_unit == STAR) {
			unit = i->i_base->d_umax;
			if (i->i_disable) {
				state = "DSTR";
			} else {
				state = "STAR";
			}
		} else {
			unit = i->i_unit;
			if (i->i_disable) {
				state = "DNRM";
			} else {
				state = "NORM";
			}
		}
		if (i->i_locoff >= 0) {
			(void)snprintf(locbuf, sizeof locbuf, "loc+%3d",
			    i->i_locoff);
			loc = locbuf;
		} else
			loc = "loc";
		if (fprintf(fp, "\
    {&%s_ca,%s&%s_cd,%s%2d, %s, %7s, %#4x, pv+%2d, %d, %4d},\n",
		    attachment, strlen(attachment) < 6 ? "\t\t" : "\t",
		    basename, strlen(basename) < 3 ? "\t\t" : "\t", unit,
		    state, loc, i->i_cfflags, i->i_pvoff, i->i_locnami,
		    unit) < 0)
			  return (1);
	}
	if (fprintf(fp, "    {0},\n    {0},\n    {0},\n    {0},\n") < 0)
		return (1);
	if (fprintf(fp, "    {0},\n    {0},\n    {0},\n    {0},\n") < 0)
		return (1);
	return (fputs("    {(struct cfattach *)-1}\n};\n", fp) < 0);
}

/*
 * Emit the table of potential roots.
 */
static int
emitroots(FILE *fp)
{
	struct devi **p, *i;
	int cnt = 0;

	if (fputs("\nshort cfroots[] = {\n", fp) < 0)
		return (1);
	for (p = packed; (i = *p) != NULL; p++) {
		if (i->i_at != NULL)
			continue;
		if (i->i_unit != 0 &&
		    (i->i_unit != STAR || i->i_base->d_umax != 0))
			warnx("warning: `%s at root' is not unit 0", i->i_name);
		if (fprintf(fp, "\t%2d /* %s */,\n",
		    i->i_cfindex, i->i_name) < 0)
			return (1);
		cnt++;
	}
	if (fputs("\t-1\n};\n", fp) < 0)
		return (1);

	return(fprintf(fp, "\nint cfroots_size = %d;\n", cnt+1) < 0);
}

/*
 * Emit pseudo-device initialization.
 */
static int
emitpseudo(FILE *fp)
{
	struct devi *i;
	struct devbase *d;
	int cnt = 0, umax;

	if (fputs("\n/* pseudo-devices */\n", fp) < 0)
		return (1);
	for (i = allpseudo; i != NULL; i = i->i_next)
		if (fprintf(fp, "extern void %sattach(int);\n",
		    i->i_base->d_name) < 0)
			return (1);
	if (fputs("\nchar *pdevnames[] = {\n", fp) < 0)
		return (1);
	for (i = allpseudo; i != NULL; i = i->i_next) {
		d = i->i_base;
		if (fprintf(fp, "\t\"%s\",\n", d->d_name) < 0)
			return (1);
		cnt++;
	}
	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;
		umax = d->d_umax;
		if (i->i_disable)
		    umax*=-1;
		if (fprintf(fp, "\t{ %sattach, %d },\n",
		    d->d_name, umax) < 0)
			return (1);
	}
	return (fputs("\t{ NULL, 0 }\n};\n", fp) < 0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: mkioconf.c,v 1.37 2017/09/27 15:14:51 deraadt Exp $ */
2			/* $NetBSD: mkioconf.c,v 1.41 1996/11/11 14:18:49 mycroft Exp $ */
3
4			/*
5			* Copyright (c) 1992, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* This software was developed by the Computer Systems Engineering group
9			* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10			* contributed to Berkeley.
11			*
12			* All advertising materials mentioning features or use of this software
13			* must display the following acknowledgement:
14			* This product includes software developed by the University of
15			* California, Lawrence Berkeley Laboratories.
16			*
17			* Redistribution and use in source and binary forms, with or without
18			* modification, are permitted provided that the following conditions
19			* are met:
20			* 1. Redistributions of source code must retain the above copyright
21			* notice, this list of conditions and the following disclaimer.
22			* 2. Redistributions in binary form must reproduce the above copyright
23			* notice, this list of conditions and the following disclaimer in the
24			* documentation and/or other materials provided with the distribution.
25			* 3. Neither the name of the University nor the names of its contributors
26			* may be used to endorse or promote products derived from this software
27			* without specific prior written permission.
28			*
29			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39			* SUCH DAMAGE.
40			*
41			* from: @(#)mkioconf.c 8.1 (Berkeley) 6/6/93
42			*/
43
44			#include <err.h>
45			#include <errno.h>
46			#include <stdio.h>
47			#include <stdlib.h>
48			#include <string.h>
49
50			#include "config.h"
51
52			/*
53			* Make ioconf.c.
54			*/
55			static int cforder(const void , const void );
56			static int emitcfdata(FILE *);
57			static int emitexterns(FILE *);
58			static int emithdr(FILE *);
59			static int emitloc(FILE *);
60			static int emitlocnames(FILE *);
61			static int emitpseudo(FILE *);
62			static int emitpv(FILE *);
63			static int emitroots(FILE *);
64
65			#define SEP(pos, max) (((u_int)(pos) % (max)) == 0 ? "\n\t" : " ")
66
67			/*
68			* NEWLINE can only be used in the emitXXX functions.
69			* In most cases it can be subsumed into an fprintf.
70			*/
71			#define NEWLINE if (putc('\n', fp) < 0) return (1)
72
73			int
74			mkioconf(void)
75			{
76			FILE *fp;
77			int v;
78
79			qsort(packed, npacked, sizeof *packed, cforder);
80			if ((fp = fopen("ioconf.c", "w")) == NULL) {
81			warn("cannot write ioconf.c");
82			return (1);
83			}
84			v = emithdr(fp);
85			if (v != 0 \|\| emitexterns(fp) \|\| emitloc(fp) \|\|
86			emitlocnames(fp) \|\| emitpv(fp) \|\| emitcfdata(fp) \|\|
87			emitroots(fp) \|\| emitpseudo(fp)) {
88			if (v >= 0)
89			warn("error writing ioconf.c");
90			(void)fclose(fp);
91			/* (void)unlink("ioconf.c"); */
92			return (1);
93			}
94			(void)fclose(fp);
95			return (0);
96			}
97
98			static int
99			cforder(const void a, const void b)
100			{
101			int n1, n2;
102
103			n1 = ((struct devi *)a)->i_cfindex;
104			n2 = ((struct devi *)b)->i_cfindex;
105			return (n1 - n2);
106			}
107
108			static int
109			emithdr(FILE *ofp)
110			{
111			FILE *ifp;
112			size_t n;
113			char ifn[200], buf[BUFSIZ];
114
115			if (fprintf(ofp, "\
116			/*\n\
117			* MACHINE GENERATED: DO NOT EDIT\n\
118			*\n\
119			* ioconf.c, from \"%s\"\n\
120			*/\n\n", conffile) < 0)
121			return (1);
122			(void)snprintf(ifn, sizeof ifn, "ioconf.incl.%s", machine);
123			if ((ifp = fopen(ifn, "r")) != NULL) {
124			while ((n = fread(buf, 1, sizeof(buf), ifp)) > 0)
125			if (fwrite(buf, 1, n, ofp) != n)
126			return (1);
127			if (ferror(ifp)) {
128			warn("error reading %s", ifn);
129			(void)fclose(ifp);
130			return (-1);
131			}
132			(void)fclose(ifp);
133			} else {
134			if (fputs("\
135			#include <sys/param.h>\n\
136			#include <sys/device.h>\n", ofp) < 0)
137			return (1);
138			}
139			return (0);
140			}
141
142			static int
143			emitexterns(FILE *fp)
144			{
145			struct devbase *d;
146			struct deva *da;
147
148			NEWLINE;
149			for (d = allbases; d != NULL; d = d->d_next) {
150			if (!devbase_has_instances(d, WILD))
151			continue;
152			if (fprintf(fp, "extern struct cfdriver %s_cd;\n",
153			d->d_name) < 0)
154			return (1);
155			}
156			NEWLINE;
157			for (da = alldevas; da != NULL; da = da->d_next) {
158			if (!deva_has_instances(da, WILD))
159			continue;
160			if (fprintf(fp, "extern struct cfattach %s_ca;\n",
161			da->d_name) < 0)
162			return (1);
163			}
164			NEWLINE;
165			return (0);
166			}
167
168			static int
169			emitloc(FILE *fp)
170			{
171			int i;
172
173			if (fprintf(fp, "\n/* locators */\n\
174			static long loc[%d] = {", locators.used) < 0)
175			return (1);
176			for (i = 0; i < locators.used; i++)
177			if (fprintf(fp, "%s%s,", SEP(i, 8), locators.vec[i]) < 0)
178			return (1);
179			if (fprintf(fp, "\n};\n") < 0)
180			return(1);
181			return (fprintf(fp, "\n#ifndef MAXEXTRALOC\n\
182			#define MAXEXTRALOC 32\n\
183			#endif\n\
184			long extraloc[MAXEXTRALOC] = { -1 }; /* extra locator space */\n\
185			int rextraloc = MAXEXTRALOC; /* remaining extra locators */\n\
186			const int textraloc = MAXEXTRALOC; /* total extra relocators */\n") < 0);
187			}
188
189			static int nlocnames, maxlocnames = 8;
190			static char **locnames;
191
192			short
193			addlocname(const char *name)
194			{
195			int i;
196
197			if (locnames == NULL \|\| nlocnames+1 > maxlocnames) {
198			maxlocnames *= 4;
199			locnames = ereallocarray(locnames, maxlocnames, sizeof(char *));
200			}
201			for (i = 0; i < nlocnames; i++)
202			if (strcmp(name, locnames[i]) == 0)
203			return (i);
204			/printf("adding %s at %d\n", name, nlocnames);/
205			locnames[nlocnames++] = (char *)name;
206			return (nlocnames - 1);
207			}
208
209			static int nlocnami, maxlocnami = 8;
210			static short *locnami;
211
212			void
213			addlocnami(short index)
214			{
215			if (locnami == NULL \|\| nlocnami+1 > maxlocnami) {
216			maxlocnami *= 4;
217			locnami = ereallocarray(locnami, maxlocnami, sizeof(short));
218			}
219			locnami[nlocnami++] = index;
220			}
221
222
223			/*
224			* Emit locator names
225			* XXX the locnamp[] table is not compressed like it should be!
226			*/
227			static int
228			emitlocnames(FILE *fp)
229			{
230			struct devi *p, i;
231			struct nvlist *nv;
232			struct attr *a;
233			int added, start;
234			int v, j, x;
235
236			addlocnami(-1);
237			for (p = packed; (i = *p) != NULL; p++) {
238			/printf("child %s\n", i->i_name);/
239
240			/* initialize all uninitialized parents */
241			for (x = 0; x < i->i_pvlen; x++) {
242			if (i->i_parents[x]->i_plocnami)
243			continue;
244			start = nlocnami;
245
246			/* add all the names */
247			a = i->i_atattr;
248			added = 0;
249			for (nv = a->a_locs, v = 0; nv != NULL;
250			nv = nv->nv_next, v++) {
251			addlocnami(addlocname(nv->nv_name));
252			added = 1;
253			}
254			/* terminate list of names */
255			if (added)
256			addlocnami(-1);
257			else
258			start--;
259
260			/*printf("bus %s starts at %d\n", i->i_parents[x]->i_name,
261			start);*/
262			i->i_parents[x]->i_plocnami = start;
263
264			}
265			}
266			for (p = packed; (i = *p) != NULL; p++)
267			if (i->i_pvlen)
268			i->i_locnami = i->i_parents[0]->i_plocnami;
269			if (fprintf(fp, "\nchar *locnames[] = {\n") < 0)
270			return (1);
271			for (j = 0; j < nlocnames; j++)
272			if (fprintf(fp, "\t\"%s\",\n", locnames[j]) < 0)
273			return (1);
274			if (fprintf(fp, "};\n\n") < 0)
275			return (1);
276
277			if (fprintf(fp,
278			"/* each entry is an index into locnames[]; -1 terminates */\n") < 0)
279			return (1);
280			if (fprintf(fp, "short locnamp[] = {") < 0)
281			return (1);
282			for (j = 0; j < nlocnami; j++)
283			if (fprintf(fp, "%s%d,", SEP(j, 8), locnami[j]) < 0)
284			return (1);
285			return (fprintf(fp, "\n};\n") < 0);
286			}
287
288
289			/*
290			* Emit global parents-vector.
291			*/
292			static int
293			emitpv(FILE *fp)
294			{
295			int i;
296
297			if (fprintf(fp, "\n/* size of parent vectors */\n\
298			int pv_size = %d;\n", parents.used) < 0)
299			return (1);
300			if (fprintf(fp, "\n/* parent vectors */\n\
301			short pv[%d] = {", parents.used) < 0)
302			return (1);
303			for (i = 0; i < parents.used; i++)
304			if (fprintf(fp, "%s%d,", SEP(i, 16), parents.vec[i]) < 0)
305			return (1);
306			return (fprintf(fp, "\n};\n") < 0);
307			}
308
309			/*
310			* Emit the cfdata array.
311			*/
312			static int
313			emitcfdata(FILE *fp)
314			{
315			struct devi *p, i;
316			int unit, v;
317			const char state, basename, *attachment;
318			struct nvlist *nv;
319			struct attr *a;
320			char *loc;
321			char locbuf[20];
322
323			if (fprintf(fp, "\n\
324			#define NORM FSTATE_NOTFOUND\n\
325			#define STAR FSTATE_STAR\n\
326			#define DNRM FSTATE_DNOTFOUND\n\
327			#define DSTR FSTATE_DSTAR\n\
328			\n\
329			struct cfdata cfdata[] = {\n\
330			/* attachment driver unit state loc flags parents nm starunit1 */\n") < 0)
331			return (1);
332			for (p = packed; (i = *p) != NULL; p++) {
333			/* the description */
334			if (fprintf(fp, "/*%3d: %s at ", i->i_cfindex, i->i_name) < 0)
335			return (1);
336			for (v = 0; v < i->i_pvlen; v++)
337			if (fprintf(fp, "%s%s", v == 0 ? "" : "\|",
338			i->i_parents[v]->i_name) < 0)
339			return (1);
340			if (v == 0 && fputs("root", fp) < 0)
341			return (1);
342			a = i->i_atattr;
343			for (nv = a->a_locs, v = 0; nv != NULL; nv = nv->nv_next, v++)
344			if (fprintf(fp, " %s %s",
345			nv->nv_name, i->i_locs[v]) < 0)
346			return (1);
347			if (fputs(" */\n", fp) < 0)
348			return (-1);
349
350			/* then the actual defining line */
351			basename = i->i_base->d_name;
352			attachment = i->i_atdeva->d_name;
353			if (i->i_unit == STAR) {
354			unit = i->i_base->d_umax;
355			if (i->i_disable) {
356			state = "DSTR";
357			} else {
358			state = "STAR";
359			}
360			} else {
361			unit = i->i_unit;
362			if (i->i_disable) {
363			state = "DNRM";
364			} else {
365			state = "NORM";
366			}
367			}
368			if (i->i_locoff >= 0) {
369			(void)snprintf(locbuf, sizeof locbuf, "loc+%3d",
370			i->i_locoff);
371			loc = locbuf;
372			} else
373			loc = "loc";
374			if (fprintf(fp, "\
375			{&%s_ca,%s&%s_cd,%s%2d, %s, %7s, %#4x, pv+%2d, %d, %4d},\n",
376			attachment, strlen(attachment) < 6 ? "\t\t" : "\t",
377			basename, strlen(basename) < 3 ? "\t\t" : "\t", unit,
378			state, loc, i->i_cfflags, i->i_pvoff, i->i_locnami,
379			unit) < 0)
380			return (1);
381			}
382			if (fprintf(fp, " {0},\n {0},\n {0},\n {0},\n") < 0)
383			return (1);
384			if (fprintf(fp, " {0},\n {0},\n {0},\n {0},\n") < 0)
385			return (1);
386			return (fputs(" {(struct cfattach *)-1}\n};\n", fp) < 0);
387			}
388
389			/*
390			* Emit the table of potential roots.
391			*/
392			static int
393			emitroots(FILE *fp)
394			{
395			struct devi *p, i;
396			int cnt = 0;
397
398			if (fputs("\nshort cfroots[] = {\n", fp) < 0)
399			return (1);
400			for (p = packed; (i = *p) != NULL; p++) {
401			if (i->i_at != NULL)
402			continue;
403			if (i->i_unit != 0 &&
404			(i->i_unit != STAR \|\| i->i_base->d_umax != 0))
405			warnx("warning: `%s at root' is not unit 0", i->i_name);
406			if (fprintf(fp, "\t%2d /* %s */,\n",
407			i->i_cfindex, i->i_name) < 0)
408			return (1);
409			cnt++;
410			}
411			if (fputs("\t-1\n};\n", fp) < 0)
412			return (1);
413
414			return(fprintf(fp, "\nint cfroots_size = %d;\n", cnt+1) < 0);
415			}
416
417			/*
418			* Emit pseudo-device initialization.
419			*/
420			static int
421			emitpseudo(FILE *fp)
422			{
423			struct devi *i;
424			struct devbase *d;
425			int cnt = 0, umax;
426
427			if (fputs("\n/* pseudo-devices */\n", fp) < 0)
428			return (1);
429			for (i = allpseudo; i != NULL; i = i->i_next)
430			if (fprintf(fp, "extern void %sattach(int);\n",
431			i->i_base->d_name) < 0)
432			return (1);
433			if (fputs("\nchar *pdevnames[] = {\n", fp) < 0)
434			return (1);
435			for (i = allpseudo; i != NULL; i = i->i_next) {
436			d = i->i_base;
437			if (fprintf(fp, "\t\"%s\",\n", d->d_name) < 0)
438			return (1);
439			cnt++;
440			}
441			if (fputs("};\n", fp) < 0)
442			return (1);
443			if (fprintf(fp, "\nint pdevnames_size = %d;\n", cnt) < 0)
444			return (1);
445			if (fputs("\nstruct pdevinit pdevinit[] = {\n", fp) < 0)
446			return (1);
447			for (i = allpseudo; i != NULL; i = i->i_next) {
448			d = i->i_base;
449			umax = d->d_umax;
450			if (i->i_disable)
451			umax*=-1;
452			if (fprintf(fp, "\t{ %sattach, %d },\n",
453			d->d_name, umax) < 0)
454			return (1);
455			}
456			return (fputs("\t{ NULL, 0 }\n};\n", fp) < 0);
457			}