/*
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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. 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, Berkeley and its contributors.
 * 4. 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.
 */

#ifndef lint
static char sccsid[] = "@(#)mkioconf.c	8.2 (Berkeley) 1/21/94";
#endif /* not lint */

#include <stdio.h>
#include "y.tab.h"
#include "config.h"

/*
 * build the ioconf.c file
 */
char	*qu();
char	*intv();
char	*wnum();
void	pseudo_ioconf();

#if MACHINE_VAX
vax_ioconf()
{
	register struct device *dp, *mp, *np;
	register int uba_n, slave;
	FILE *fp;

	fp = fopen(path("ioconf.c"), "w");
	if (fp == 0) {
		perror(path("ioconf.c"));
		exit(1);
	}
	fprintf(fp, "#include <vax/include/pte.h>\n");
	fprintf(fp, "#include <sys/param.h>\n");
	fprintf(fp, "#include <sys/buf.h>\n");
	fprintf(fp, "\n");
	fprintf(fp, "#include <vax/mba/mbavar.h>\n");
	fprintf(fp, "#include <vax/uba/ubavar.h>\n\n");
	fprintf(fp, "\n");
	fprintf(fp, "#define C (caddr_t)\n\n");
	/*
	 * First print the mba initialization structures
	 */
	if (seen_mba) {
		for (dp = dtab; dp != 0; dp = dp->d_next) {
			mp = dp->d_conn;
			if (mp == 0 || mp == TO_NEXUS ||
			    !eq(mp->d_name, "mba"))
				continue;
			fprintf(fp, "extern struct mba_driver %sdriver;\n",
			    dp->d_name);
		}
		fprintf(fp, "\nstruct mba_device mbdinit[] = {\n");
		fprintf(fp, "\t/* Device,  Unit, Mba, Drive, Dk */\n");
		for (dp = dtab; dp != 0; dp = dp->d_next) {
			mp = dp->d_conn;
			if (dp->d_unit == QUES || mp == 0 ||
			    mp == TO_NEXUS || !eq(mp->d_name, "mba"))
				continue;
			if (dp->d_addr) {
				printf("can't specify csr address on mba for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_vec != 0) {
				printf("can't specify vector for %s%d on mba\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_drive == UNKNOWN) {
				printf("drive not specified for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_slave != UNKNOWN) {
				printf("can't specify slave number for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			fprintf(fp, "\t{ &%sdriver, %d,   %s,",
				dp->d_name, dp->d_unit, qu(mp->d_unit));
			fprintf(fp, "  %s,  %d },\n",
				qu(dp->d_drive), dp->d_dk);
		}
		fprintf(fp, "\t0\n};\n\n");
		/*
		 * Print the mbsinit structure
		 * Driver Controller Unit Slave
		 */
		fprintf(fp, "struct mba_slave mbsinit [] = {\n");
		fprintf(fp, "\t/* Driver,  Ctlr, Unit, Slave */\n");
		for (dp = dtab; dp != 0; dp = dp->d_next) {
			/*
			 * All slaves are connected to something which
			 * is connected to the massbus.
			 */
			if ((mp = dp->d_conn) == 0 || mp == TO_NEXUS)
				continue;
			np = mp->d_conn;
			if (np == 0 || np == TO_NEXUS ||
			    !eq(np->d_name, "mba"))
				continue;
			fprintf(fp, "\t{ &%sdriver, %s",
			    mp->d_name, qu(mp->d_unit));
			fprintf(fp, ",  %2d,    %s },\n",
			    dp->d_unit, qu(dp->d_slave));
		}
		fprintf(fp, "\t0\n};\n\n");
	}
	/*
	 * Now generate interrupt vectors for the unibus
	 */
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_vec != 0) {
			struct idlst *ip;
			mp = dp->d_conn;
			if (mp == 0 || mp == TO_NEXUS ||
			    (!eq(mp->d_name, "uba") && !eq(mp->d_name, "bi")))
				continue;
			fprintf(fp,
			    "extern struct uba_driver %sdriver;\n",
			    dp->d_name);
			fprintf(fp, "extern ");
			ip = dp->d_vec;
			for (;;) {
				fprintf(fp, "X%s%d()", ip->id, dp->d_unit);
				ip = ip->id_next;
				if (ip == 0)
					break;
				fprintf(fp, ", ");
			}
			fprintf(fp, ";\n");
			fprintf(fp, "int\t (*%sint%d[])() = { ", dp->d_name,
			    dp->d_unit);
			ip = dp->d_vec;
			for (;;) {
				fprintf(fp, "X%s%d", ip->id, dp->d_unit);
				ip = ip->id_next;
				if (ip == 0)
					break;
				fprintf(fp, ", ");
			}
			fprintf(fp, ", 0 } ;\n");
		}
	}
	fprintf(fp, "\nstruct uba_ctlr ubminit[] = {\n");
	fprintf(fp, "/*\t driver,\tctlr,\tubanum,\talive,\tintr,\taddr */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_type != CONTROLLER || mp == TO_NEXUS || mp == 0 ||
		    !eq(mp->d_name, "uba"))
			continue;
		if (dp->d_vec == 0) {
			printf("must specify vector for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_addr == 0) {
			printf("must specify csr address for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
			printf("drives need their own entries; dont ");
			printf("specify drive or slave for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_flags) {
			printf("controllers (e.g. %s%d) ",
			    dp->d_name, dp->d_unit);
			printf("don't have flags, only devices do\n");
			continue;
		}
		fprintf(fp,
		    "\t{ &%sdriver,\t%d,\t%s,\t0,\t%sint%d, C 0%o },\n",
		    dp->d_name, dp->d_unit, qu(mp->d_unit),
		    dp->d_name, dp->d_unit, dp->d_addr);
	}
	fprintf(fp, "\t0\n};\n");
/* unibus devices */
	fprintf(fp, "\nstruct uba_device ubdinit[] = {\n");
	fprintf(fp,
"\t/* driver,  unit, ctlr,  ubanum, slave,   intr,    addr,    dk, flags*/\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES || dp->d_type != DEVICE || mp == 0 ||
		    mp == TO_NEXUS || mp->d_type == MASTER ||
		    eq(mp->d_name, "mba"))
			continue;
		np = mp->d_conn;
		if (np != 0 && np != TO_NEXUS && eq(np->d_name, "mba"))
			continue;
		np = 0;
		if (eq(mp->d_name, "uba")) {
			if (dp->d_vec == 0) {
				printf("must specify vector for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_addr == 0) {
				printf("must specify csr for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
				printf("drives/slaves can be specified ");
				printf("only for controllers, ");
				printf("not for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			uba_n = mp->d_unit;
			slave = QUES;
		} else {
			if ((np = mp->d_conn) == 0) {
				printf("%s%d isn't connected to anything ",
				    mp->d_name, mp->d_unit);
				printf(", so %s%d is unattached\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			uba_n = np->d_unit;
			if (dp->d_drive == UNKNOWN) {
				printf("must specify ``drive number'' ");
				printf("for %s%d\n", dp->d_name, dp->d_unit);
				continue;
			}
			/* NOTE THAT ON THE UNIBUS ``drive'' IS STORED IN */
			/* ``SLAVE'' AND WE DON'T WANT A SLAVE SPECIFIED */
			if (dp->d_slave != UNKNOWN) {
				printf("slave numbers should be given only ");
				printf("for massbus tapes, not for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_vec != 0) {
				printf("interrupt vectors should not be ");
				printf("given for drive %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_addr != 0) {
				printf("csr addresses should be given only ");
				printf("on controllers, not on %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			slave = dp->d_drive;
		}
		fprintf(fp, "\t{ &%sdriver,  %2d,   %s,",
		    eq(mp->d_name, "uba") ? dp->d_name : mp->d_name, dp->d_unit,
		    eq(mp->d_name, "uba") ? " -1" : qu(mp->d_unit));
		fprintf(fp, "  %s,    %2d,   %s, C 0%-6o,  %d,  0x%x },\n",
		    qu(uba_n), slave, intv(dp), dp->d_addr, dp->d_dk,
		    dp->d_flags);
	}
	fprintf(fp, "\t0\n};\n");
	pseudo_ioconf(fp);
	(void) fclose(fp);
}
#endif

#if MACHINE_TAHOE
tahoe_ioconf()
{
	register struct device *dp, *mp, *np;
	register int vba_n, slave;
	FILE *fp;

	fp = fopen(path("ioconf.c"), "w");
	if (fp == 0) {
		perror(path("ioconf.c"));
		exit(1);
	}
	fprintf(fp, "#include <sys/param.h>\n");
	fprintf(fp, "#include <tahoe/include/pte.h>\n");
	fprintf(fp, "#include <sys/buf.h>\n");
	fprintf(fp, "\n");
	fprintf(fp, "#include <tahoe/vba/vbavar.h>\n");
	fprintf(fp, "\n");
	fprintf(fp, "#define C (caddr_t)\n\n");
	/*
	 * Now generate interrupt vectors for the versabus
	 */
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (mp == 0 || mp == TO_NEXUS || !eq(mp->d_name, "vba"))
			continue;
		if (dp->d_vec != 0) {
			struct idlst *ip;
			fprintf(fp,
			    "extern struct vba_driver %sdriver;\n",
			    dp->d_name);
			fprintf(fp, "extern ");
			ip = dp->d_vec;
			for (;;) {
				fprintf(fp, "X%s%d()", ip->id, dp->d_unit);
				ip = ip->id_next;
				if (ip == 0)
					break;
				fprintf(fp, ", ");
			}
			fprintf(fp, ";\n");
			fprintf(fp, "int\t (*%sint%d[])() = { ", dp->d_name,
			    dp->d_unit);
			ip = dp->d_vec;
			for (;;) {
				fprintf(fp, "X%s%d", ip->id, dp->d_unit);
				ip = ip->id_next;
				if (ip == 0)
					break;
				fprintf(fp, ", ");
			}
			fprintf(fp, ", 0 } ;\n");
		} else if (dp->d_type == DRIVER)  /* devices w/o interrupts */
			fprintf(fp,
			    "extern struct vba_driver %sdriver;\n",
			    dp->d_name);
	}
	fprintf(fp, "\nstruct vba_ctlr vbminit[] = {\n");
	fprintf(fp, "/*\t driver,\tctlr,\tvbanum,\talive,\tintr,\taddr */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_type != CONTROLLER || mp == TO_NEXUS || mp == 0 ||
		    !eq(mp->d_name, "vba"))
			continue;
		if (dp->d_vec == 0) {
			printf("must specify vector for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_addr == 0) {
			printf("must specify csr address for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
			printf("drives need their own entries; dont ");
			printf("specify drive or slave for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_flags) {
			printf("controllers (e.g. %s%d) ",
			    dp->d_name, dp->d_unit);
			printf("don't have flags, only devices do\n");
			continue;
		}
		fprintf(fp,
		    "\t{ &%sdriver,\t%d,\t%s,\t0,\t%sint%d, C 0x%x },\n",
		    dp->d_name, dp->d_unit, qu(mp->d_unit),
		    dp->d_name, dp->d_unit, dp->d_addr);
	}
	fprintf(fp, "\t0\n};\n");
/* versabus devices */
	fprintf(fp, "\nstruct vba_device vbdinit[] = {\n");
	fprintf(fp,
"\t/* driver,  unit, ctlr,  vbanum, slave,   intr,    addr,    dk, flags*/\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES || dp->d_type != DEVICE || mp == 0 ||
		    mp == TO_NEXUS || mp->d_type == MASTER ||
		    eq(mp->d_name, "mba"))
			continue;
		np = mp->d_conn;
		if (np != 0 && np != TO_NEXUS && eq(np->d_name, "mba"))
			continue;
		np = 0;
		if (eq(mp->d_name, "vba")) {
			if (dp->d_vec == 0)
				printf(
		"Warning, no interrupt vector specified for device %s%d\n",
				    dp->d_name, dp->d_unit);
			if (dp->d_addr == 0) {
				printf("must specify csr for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
				printf("drives/slaves can be specified ");
				printf("only for controllers, ");
				printf("not for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			vba_n = mp->d_unit;
			slave = QUES;
		} else {
			if ((np = mp->d_conn) == 0) {
				printf("%s%d isn't connected to anything ",
				    mp->d_name, mp->d_unit);
				printf(", so %s%d is unattached\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			vba_n = np->d_unit;
			if (dp->d_drive == UNKNOWN) {
				printf("must specify ``drive number'' ");
				printf("for %s%d\n", dp->d_name, dp->d_unit);
				continue;
			}
			/* NOTE THAT ON THE UNIBUS ``drive'' IS STORED IN */
			/* ``SLAVE'' AND WE DON'T WANT A SLAVE SPECIFIED */
			if (dp->d_slave != UNKNOWN) {
				printf("slave numbers should be given only ");
				printf("for massbus tapes, not for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_vec != 0) {
				printf("interrupt vectors should not be ");
				printf("given for drive %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_addr != 0) {
				printf("csr addresses should be given only ");
				printf("on controllers, not on %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			slave = dp->d_drive;
		}
		fprintf(fp, "\t{ &%sdriver,  %2d,   %s,",
		    eq(mp->d_name, "vba") ? dp->d_name : mp->d_name, dp->d_unit,
		    eq(mp->d_name, "vba") ? " -1" : qu(mp->d_unit));
		fprintf(fp, "  %s,    %2d,   %s, C 0x%-6x,  %d,  0x%x },\n",
		    qu(vba_n), slave, intv(dp), dp->d_addr, dp->d_dk,
		    dp->d_flags);
	}
	fprintf(fp, "\t0\n};\n");
	pseudo_ioconf(fp);
	(void) fclose(fp);
}
#endif

#if MACHINE_HP300 || MACHINE_LUNA68K
hp300_ioconf()
{
	register struct device *dp, *mp;
	register int hpib, slave;
	FILE *fp;

	fp = fopen(path("ioconf.c"), "w");
	if (fp == 0) {
		perror(path("ioconf.c"));
		exit(1);
	}
	fprintf(fp, "#include <sys/param.h>\n");
	fprintf(fp, "#include <sys/buf.h>\n");
	fprintf(fp, "\n");
	if (machine == MACHINE_HP300)
		fprintf(fp, "#include <hp/dev/device.h>\n\n");
	else
		fprintf(fp, "#include <luna68k/dev/device.h>\n\n");
	fprintf(fp, "\n");
	fprintf(fp, "#define C (caddr_t)\n");
	fprintf(fp, "#define D (struct driver *)\n\n");
	/*
	 * First print the hpib controller initialization structures
	 */
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES || mp == 0)
			continue;
		fprintf(fp, "extern struct driver %sdriver;\n", dp->d_name);
	}
	fprintf(fp, "\nstruct hp_ctlr hp_cinit[] = {\n");
	fprintf(fp, "/*\tdriver,\t\tunit,\talive,\taddr,\tflags */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES ||
			dp->d_type != MASTER && dp->d_type != CONTROLLER)
			continue;
		if (mp != TO_NEXUS) {
			printf("%s%s must be attached to an sc (nexus)\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
			printf("can't specify drive/slave for %s%s\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		fprintf(fp,
			"\t{ &%sdriver,\t%d,\t0,\tC 0x%x,\t0x%x },\n",
			dp->d_name, dp->d_unit, dp->d_addr, dp->d_flags);
	}
	fprintf(fp, "\t0\n};\n");
/* devices */
	fprintf(fp, "\nstruct hp_device hp_dinit[] = {\n");
	fprintf(fp,
	   "/*driver,\tcdriver,\tunit,\tctlr,\tslave,\taddr,\tdk,\tflags*/\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (mp == 0 || dp->d_type != DEVICE || hpbadslave(mp, dp))
			continue;
		if (mp == TO_NEXUS) {
			if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
				printf("can't specify drive/slave for %s%s\n",
					dp->d_name, wnum(dp->d_unit));
				continue;
			}
			slave = QUES;
			hpib = QUES;
		} else {
			if (dp->d_addr != 0) {
				printf("can't specify sc for device %s%s\n",
					dp->d_name, wnum(dp->d_unit));
				continue;
			}
			if (mp->d_type == CONTROLLER) {
				if (dp->d_drive == UNKNOWN) {
					printf("must specify drive for %s%s\n",
						dp->d_name, wnum(dp->d_unit));
					continue;
				}
				slave = dp->d_drive;
			} else {
				if (dp->d_slave == UNKNOWN) {
					printf("must specify slave for %s%s\n",
						dp->d_name, wnum(dp->d_unit));
					continue;
				}
				slave = dp->d_slave;
			}
			hpib = mp->d_unit;
		}
		fprintf(fp, "{ &%sdriver,\t", dp->d_name);
		if (mp == TO_NEXUS)
			fprintf(fp, "D 0x0,\t");
		else
			fprintf(fp, "&%sdriver,", mp->d_name);
		fprintf(fp, "\t%d,\t%d,\t%d,\tC 0x%x,\t%d,\t0x%x },\n",
			dp->d_unit, hpib, slave,
			dp->d_addr, dp->d_dk, dp->d_flags);
	}
	fprintf(fp, "0\n};\n");
	pseudo_ioconf(fp);
	(void) fclose(fp);
}

#define ishpibdev(n) (eq(n,"rd") || eq(n,"ct") || eq(n,"mt") || eq(n,"ppi"))
#define isscsidev(n) (eq(n,"sd") || eq(n,"st") || eq(n,"ac"))

hpbadslave(mp, dp)
	register struct device *dp, *mp;
{

	if (mp == TO_NEXUS && ishpibdev(dp->d_name) ||
	    mp != TO_NEXUS && eq(mp->d_name, "hpib") &&
	    !ishpibdev(dp->d_name)) {
		printf("%s%s must be attached to an hpib\n",
		       dp->d_name, wnum(dp->d_unit));
		return (1);
	}
	if (mp == TO_NEXUS && isscsidev(dp->d_name) ||
	    mp != TO_NEXUS && eq(mp->d_name, "scsi") &&
	    !isscsidev(dp->d_name)) {
		printf("%s%s must be attached to a scsi\n",
		       dp->d_name, wnum(dp->d_unit));
		return (1);
	}
	return (0);
}
#endif

#if MACHINE_I386
char *shandler();
char *sirq();

i386_ioconf()
{
	register struct device *dp, *mp, *np;
	register int uba_n, slave;
	int dev_id;
	FILE *fp, *fp1;
	static char *old_d_name;
	static char old_shandler[32 + 1];

	fp = fopen(path("ioconf.c.new"), "w");
	if (fp == 0) {
		perror(path("ioconf.c.new"));
		exit(1);
	}
	fprintf(fp, "/*\n");
	fprintf(fp, " * I/O configuration.\n");
	fprintf(fp, " * DO NOT EDIT-- this file is automatically generated.\n");
	fprintf(fp, " */\n");
	fprintf(fp, "\n");
	fprintf(fp, "#include <sys/param.h>\n");
	fprintf(fp, "#include \"ioconf.h\"\n");
	fprintf(fp, "\n");
	fprintf(fp, "#define C (caddr_t)\n");
	fp1 = fopen(path("ioconf.h.new"), "w");
	if (fp1 == 0) {
		perror(path("ioconf.h.new"));
		exit(1);
	}
	fprintf(fp1, "/*\n");
	fprintf(fp1, " * Extern declarations for I/O configuration.\n");
	fprintf(fp1, " * DO NOT EDIT-- this file is automatically generated.\n");
	fprintf(fp1, " */\n");
	fprintf(fp1, "\n");
	fprintf(fp1, "#ifndef IOCONF_H\n");
	fprintf(fp1, "#define\tIOCONF_H\n");
	/*
	 * First print the isa initialization structures
	 */
	if (seen_isa) {
		int seen_wdc = 0, seen_fdc = 0;

		fprintf(fp, "\n");
		fprintf(fp, "/*\n");
		fprintf(fp, " * ISA devices.\n");
		fprintf(fp, " */\n");
		fprintf(fp, "\n");
		fprintf(fp, "#include <i386/isa/icu.h>\n");
		fprintf(fp, "#include <i386/isa/isa.h>\n");
		fprintf(fp1, "\n");
		fprintf(fp1, "#include <i386/isa/isa_device.h>\n");
		fprintf(fp1, "\n");
		for (dp = dtab; dp != 0; dp = dp->d_next) {
			int printed = 0;

			mp = dp->d_conn;
			if (mp == 0 || mp == TO_NEXUS ||
			    !eq(mp->d_name, "isa"))
				continue;
			if (old_d_name == NULL || !eq(dp->d_name, old_d_name)) {
				old_d_name = dp->d_name;
				fprintf(fp1,
					"extern struct isa_driver %3sdriver;",
					old_d_name);
				printed = 1;
			}
			if (eq(dp->d_name, "wdc"))
				seen_wdc++;
			if (eq(dp->d_name, "fdc"))
				seen_fdc++;
			if (dp->d_irq == 2) {
				fprintf(stderr,
		"remapped irq 2 to irq 9, please update your config file\n");
				dp->d_irq = 9;
			}
			if (dp->d_vec != NULL && dp->d_vec->id != NULL &&
			    !eq(shandler(dp), old_shandler)) {
				strcpy(old_shandler, shandler(dp));
				fprintf(fp1, " inthand2_t %s;", old_shandler);
				printed = 1;
			}
			if (printed)
				fprintf(fp1, "\n");
		}
		dev_id = 6;		/* XXX must match mkglue.c */
		isa_devtab(fp, "bio", &dev_id);
		if (seen_wdc)
			isa_biotab(fp, "wdc");
		if (seen_fdc)
			isa_biotab(fp, "fdc");
		isa_devtab(fp, "tty", &dev_id);
		isa_devtab(fp, "net", &dev_id);
		isa_devtab(fp, "null", &dev_id);
	}
	if (seen_scbus)
		scbus_devtab(fp, fp1, &dev_id);

	/* XXX David did this differently!!! */
	/* pseudo_ioconf(fp); */
	(void) fclose(fp);
	fprintf(fp1, "\n");
	fprintf(fp1, "#endif /* IOCONF_H */\n");
	(void) fclose(fp1);
	moveifchanged(path("ioconf.c.new"), path("ioconf.c"));
	moveifchanged(path("ioconf.h.new"), path("ioconf.h"));
}

isa_biotab(fp, table)
	FILE	*fp;
	char	*table;
{
	register struct device *dp, *mp;

	fprintf(fp, "\n");
	fprintf(fp, "struct isa_device isa_biotab_%s[] = {\n", table);
	fprintf(fp, "\
/* id     driver    iobase    irq drq      maddr   msiz      intr unit   flags  drive alive ri_flags reconfig enabled conflicts next */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES || mp == 0 ||
		    mp == TO_NEXUS || !eq(mp->d_name, table))
			continue;
		fprintf(fp, "{ -1, &%3sdriver, %8s,",
			mp->d_name, mp->d_port);
		fprintf(fp, "%6s, %2d, C 0x%05X, %5d, %8s,  %2d, 0x%04X, %2d, 0, 0, 0, 1, %2d, 0 },\n",
			sirq(mp->d_irq), mp->d_drq, mp->d_maddr,
			mp->d_msize, shandler(mp), dp->d_unit,
			dp->d_flags, dp->d_drive, dp->d_conflicts);
	}
	fprintf(fp, "0\n};\n");
}

/*
 * Generized routine for isa bus device table, instead of repeating
 * all this 4 times, call this with the table argument.
 *
 * 4/26/93 rgrimes
 */
isa_devtab(fp, table, dev_idp)
	FILE	*fp;
	char	*table;
	int	*dev_idp;
{
	register struct device *dp, *mp;

	fprintf(fp, "\n");
	fprintf(fp, "struct isa_device isa_devtab_%s[] = {\n", table);
	fprintf(fp, "\
/* id     driver    iobase    irq drq      maddr   msiz      intr unit   flags scsiid alive ri_flags reconfig enabled conflicts next */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_unit == QUES || !eq(dp->d_mask, table))
			continue;
		mp = dp->d_conn;
		if (mp == NULL || mp == TO_NEXUS || !eq(mp->d_name, "isa"))
			continue;
		fprintf(fp, "{ %2d, &%3sdriver,", (*dev_idp)++, dp->d_name);
		if (dp->d_port)
			fprintf(fp, " %8s,", dp->d_port);
		else
			fprintf(fp, "   0x%04x,", dp->d_portn);
		fprintf(fp, "%6s, %2d, C 0x%05X, %5d, %8s,  %2d, 0x%04X, 0, 0, 0, 0, 1, %2d, 0 },\n",
			sirq(dp->d_irq), dp->d_drq, dp->d_maddr,
			dp->d_msize, shandler(dp), dp->d_unit,
			dp->d_flags, dp->d_conflicts);
	}
	fprintf(fp, "0\n};\n");
}

static char *id(int unit)
{
	char *s;
	switch(unit)
	{
		case UNKNOWN:
		s ="SCCONF_UNSPEC";
		break;

		case QUES:
		s ="SCCONF_ANY";
		break;

		default:
		s = qu(unit);
	}

	return s;
}

static void id_put(fp, unit, s)
	FILE *fp;
	int unit;
	char *s;
{
	fprintf(fp, "%s%s", id(unit), s);
}

struct node
{
	char *id;
	struct node *next;
};

static void
add_unique(struct node *node, char *id)
{
	struct node *prev = node;

	for (prev = node; node; node = node->next)
	{
		if (strcmp(node->id, id) == 0)	/* Already there */
			return;

		prev = node;
	}

	node = (struct node *)malloc(sizeof(node));
	prev->next = node;

	node->id = id;
	node->next = 0;
}

static  int
is_old_scsi_device(char *name)
{
	static char *tab[] = {"cd", "ch", "sd", "st", "od", "uk"};
	int i;
	for (i = 0; i < sizeof(tab) / sizeof(tab[0]); i++)
		if (eq(tab[i], name))
			return 1;

	return 0;
}

/* XXX: dufault@hda.com: wiped out mkioconf.c locally:
 *      All that nice "conflicting SCSI ID checking" is now
 *      lost and should be put back in.
 */
scbus_devtab(fp, fp1, dev_idp)
	FILE	*fp;
	FILE	*fp1;
	int	*dev_idp;
{
	register struct device *dp, *mp;
	struct node unique, *node;
	unique.id = "unique";
	unique.next = 0;

	fprintf(fp, "\n");
	fprintf(fp, "/*\n");
	fprintf(fp, " * SCSI devices.\n");
	fprintf(fp, " */\n");
	fprintf(fp, "\n");
	fprintf(fp, "#include <scsi/scsiconf.h>\n");
	fprintf(fp, "\n");
	fprintf(fp, "struct scsi_ctlr_config scsi_cinit[] = {\n");
	fprintf(fp, "/* scbus, driver, driver unit, ctlr bus */\n");

	/* XXX: Why do we always get an entry such as:
	 * { '?', "ncr", '?', '?' },
	 */

	for (dp = dtab; dp; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_type != CONTROLLER || mp == TO_NEXUS || mp == 0 ||
		!eq(dp->d_name, "scbus")) {
			continue;
		}
		fprintf(fp, "{ %s, ", id(dp->d_unit));
		fprintf(fp, "\"%s\", ", mp->d_name);
		fprintf(fp, "%s, ", id(mp->d_unit));
		fprintf(fp, "%s },\n", id(dp->d_slave));
	}
	fprintf(fp, "{ 0, 0, 0, 0 }\n");
	fprintf(fp, "};\n");

	fprintf(fp, "\n");
	fprintf(fp, "struct scsi_device_config scsi_dinit[] = {\n");
	fprintf(fp, "/* name    unit  cunit   target   LUN  flags */\n");
	for (dp = dtab; dp; dp = dp->d_next) {
		if (dp->d_type == CONTROLLER || dp->d_type == MASTER ||
		    dp->d_type == PSEUDO_DEVICE)
			continue;

		/* For backward compatability we must add the original
		 * SCSI devices by name even if we don't know it is
		 * connected to a SCSI bus.
		 */
		if (is_old_scsi_device(dp->d_name))
			add_unique(&unique, dp->d_name);

		mp = dp->d_conn;
		if (mp == 0 || !eq(mp->d_name, "scbus")) {
			continue;
		}

		if (mp->d_conn == 0 &&
		(dp->d_target != UNKNOWN && dp->d_target != QUES)) {
			fprintf(stderr,
			 "Warning: %s%s is configured at ",
			 dp->d_name, wnum(dp->d_unit));

			fprintf(stderr,
			 "%s%s which is not fixed at a single adapter.\n",
			 mp->d_name, wnum(mp->d_unit));
		}

		fprintf(fp, "{ ");
		fprintf(fp, "\"%s\", ", dp->d_name);
		id_put(fp, dp->d_unit, ", ");
		id_put(fp, mp->d_unit, ", ");
		id_put(fp, dp->d_target, ", ");
		id_put(fp, dp->d_lun, ", ");
		fprintf(fp, " 0x%x },\n", dp->d_flags);
		add_unique(&unique, dp->d_name);
	}
	fprintf(fp, "{ 0, 0, 0, 0, 0, 0 }\n");
	fprintf(fp, "};\n");

	fprintf(fp1, "\n");
	for (node = unique.next; node; node = node->next)
		fprintf(fp1, "void %sinit __P((void));\n", node->id);

	fprintf(fp, "\n");
	fprintf(fp, "void (*scsi_tinit[]) __P((void)) = {\n");
	for (node = unique.next; node; node = node->next)
		fprintf(fp, "\t%sinit,\n", node->id);
	fprintf(fp, "\t0,\n");
	fprintf(fp, "};\n");
}

/*
 * XXX - there should be a general function to print devtabs instead of these
 * little pieces of it.
 */

char *
shandler(dp)
	register struct device *dp;
{
	static char buf[32 + 1];

	if (dp->d_vec == NULL || dp->d_vec->id == NULL)
		return "NULL";
	/*
	 * This is for ISA.  We only support one interrupt handler in the
	 * devtabs.  Handlers in the config file after the first for each
	 * device  are ignored.  Special handlers may be registered at
	 * runtime.
	 */
	sprintf(buf, "%.32s", dp->d_vec->id);
	return (buf);
}

char *
sirq(num)
{

	if (num == -1)
		return ("0");
	sprintf(errbuf, "IRQ%d", num);
	return (errbuf);
}
#endif

#if MACHINE_PMAX
pmax_ioconf()
{
	register struct device *dp, *mp;
	FILE *fp;

	fp = fopen(path("ioconf.c"), "w");
	if (fp == 0) {
		perror(path("ioconf.c"));
		exit(1);
	}
	fprintf(fp, "#include <sys/types.h>\n");
	fprintf(fp, "#include <sys/time.h>\n");
	fprintf(fp, "#include <pmax/dev/device.h>\n\n");
	fprintf(fp, "#define C (char *)\n\n");

	/* print controller initialization structures */
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_type == PSEUDO_DEVICE)
			continue;
		fprintf(fp, "extern struct driver %sdriver;\n", dp->d_name);
	}
	fprintf(fp, "\nstruct pmax_ctlr pmax_cinit[] = {\n");
	fprintf(fp, "/*\tdriver,\t\tunit,\taddr,\t\tpri,\tflags */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_type != CONTROLLER && dp->d_type != MASTER)
			continue;
		if (dp->d_conn != TO_NEXUS) {
			printf("%s%s must be attached to a nexus (internal bus)\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
			printf("can't specify drive/slave for %s%s\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		if (dp->d_unit == UNKNOWN || dp->d_unit == QUES)
			dp->d_unit = 0;
		fprintf(fp,
			"\t{ &%sdriver,\t%d,\tC 0x%x,\t%d,\t0x%x },\n",
			dp->d_name, dp->d_unit, dp->d_addr, dp->d_pri,
			dp->d_flags);
	}
	fprintf(fp, "\t0\n};\n");

	/* print devices connected to other controllers */
	fprintf(fp, "\nstruct scsi_device scsi_dinit[] = {\n");
	fprintf(fp,
	   "/*driver,\tcdriver,\tunit,\tctlr,\tdrive,\tslave,\tdk,\tflags*/\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_type == CONTROLLER || dp->d_type == MASTER ||
		    dp->d_type == PSEUDO_DEVICE)
			continue;
		mp = dp->d_conn;
		if (mp == 0 ||
		    !eq(mp->d_name, "asc") && !eq(mp->d_name, "sii")) {
			printf("%s%s: devices must be attached to a SCSI (asc or sii) controller\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		if ((unsigned)dp->d_drive > 6) {
			printf("%s%s: SCSI drive must be in the range 0..6\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		/* may want to allow QUES later */
		if ((unsigned)dp->d_slave > 7) {
			printf("%s%s: SCSI slave (LUN) must be in the range 0..7\n",
				dp->d_name, wnum(dp->d_unit));
			continue;
		}
		fprintf(fp, "{ &%sdriver,\t&%sdriver,", dp->d_name, mp->d_name);
		fprintf(fp, "\t%d,\t%d,\t%d,\t%d,\t%d,\t0x%x },\n",
			dp->d_unit, mp->d_unit, dp->d_drive, dp->d_slave,
			dp->d_dk, dp->d_flags);
	}
	fprintf(fp, "0\n};\n");
	pseudo_ioconf(fp);
	(void) fclose(fp);
}
#endif

#if MACHINE_NEWS3400
int have_iop = 0;
int have_hb = 0;
int have_vme = 0;

news_ioconf()
{
	register struct device *dp, *mp;
	register int slave;
	FILE *fp;

	fp = fopen(path("ioconf.c"), "w");
	if (fp == 0) {
		perror(path("ioconf.c"));
		exit(1);
	}
	fprintf(fp, "#include <sys/param.h>\n");
	fprintf(fp, "#include <sys/buf.h>\n");
	fprintf(fp, "#include <vm/vm.h>\n");
	fprintf(fp, "#include \"iop.h\"\n");
	fprintf(fp, "#include \"hb.h\"\n");
	fprintf(fp, "\n");
	fprintf(fp, "#if NIOP > 0\n");
	fprintf(fp, "#include <news3400/iop/iopvar.h>\n");
	fprintf(fp, "#endif\n");
	fprintf(fp, "#if NHB > 0\n");
	fprintf(fp, "#include <news3400/hbdev/hbvar.h>\n");
	fprintf(fp, "#endif\n");
	fprintf(fp, "\n");
	fprintf(fp, "#define C (caddr_t)\n\n");
	fprintf(fp, "\n");

/* BEGIN HB */
	fprintf(fp, "#if NHB > 0\n");
	/*
	 * Now generate interrupt vectors for the HYPER-BUS
	 */
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		if (dp->d_pri >= 0) {
			mp = dp->d_conn;
			if (mp == 0 || mp == TO_NEXUS ||
			    !eq(mp->d_name, "hb"))
				continue;
			fprintf(fp, "extern struct hb_driver %sdriver;\n",
			    dp->d_name);
			have_hb++;
		}
	}
	/*
	 * Now spew forth the hb_cinfo structure
	 */
	fprintf(fp, "\nstruct hb_ctlr hminit[] = {\n");
	fprintf(fp, "/*\t driver,\tctlr,\talive,\taddr,\tintpri */\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if ((dp->d_type != MASTER && dp->d_type != CONTROLLER)
		    || mp == TO_NEXUS || mp == 0 ||
		    !eq(mp->d_name, "hb"))
			continue;
		if (dp->d_pri < 0) {
			printf("must specify priority for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
			printf("drives need their own entries; ");
			printf("dont specify drive or slave for %s%d\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		if (dp->d_flags) {
			printf("controllers (e.g. %s%d) don't have flags, ");
			printf("only devices do\n",
			    dp->d_name, dp->d_unit);
			continue;
		}
		fprintf(fp, "\t{ &%sdriver,\t%d,\t0,\tC 0x%x,\t%d },\n",
		    dp->d_name, dp->d_unit, dp->d_addr, dp->d_pri);
	}
	fprintf(fp, "\t0\n};\n");
	/*
	 * Now we go for the hb_device stuff
	 */
	fprintf(fp, "\nstruct hb_device hdinit[] = {\n");
	fprintf(fp,
"\t/* driver,  unit, ctlr,  slave,   addr,    pri,    dk, flags*/\n");
	for (dp = dtab; dp != 0; dp = dp->d_next) {
		mp = dp->d_conn;
		if (dp->d_unit == QUES || dp->d_type != DEVICE || mp == 0 ||
		    mp == TO_NEXUS || /* mp->d_type == MASTER || */
		    eq(mp->d_name, "iop") || eq(mp->d_name, "vme"))
			continue;
		if (eq(mp->d_name, "hb")) {
			if (dp->d_pri < 0) {
				printf("must specify vector for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_drive != UNKNOWN || dp->d_slave != UNKNOWN) {
				printf("drives/slaves can be specified only ");
				printf("for controllers, not for device %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			slave = QUES;
		} else {
			if (mp->d_conn == 0) {
				printf("%s%d isn't connected to anything, ",
				    mp->d_name, mp->d_unit);
				printf("so %s%d is unattached\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_drive == UNKNOWN) {
				printf("must specify ``drive number'' for %s%d\n",
				   dp->d_name, dp->d_unit);
				continue;
			}
			/* NOTE THAT ON THE IOP ``drive'' IS STORED IN */
			/* ``SLAVE'' AND WE DON'T WANT A SLAVE SPECIFIED */
			if (dp->d_slave != UNKNOWN) {
				printf("slave numbers should be given only ");
				printf("for massbus tapes, not for %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_pri >= 0) {
				printf("interrupt priority should not be ");
				printf("given for drive %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			if (dp->d_addr != 0) {
				printf("csr addresses should be given only");
				printf("on controllers, not on %s%d\n",
				    dp->d_name, dp->d_unit);
				continue;
			}
			slave = dp->d_drive;
		}
		fprintf(fp,
"\t{ &%sdriver,  %2d,   %s,    %2d,   C 0x%x, %d,  %d,  0x%x },\n",
		    eq(mp->d_name, "hb") ? dp->d_name : mp->d_name, dp->d_unit,
		    eq(mp->d_name, "hb") ? " -1" : qu(mp->d_unit),
		    slave, dp->d_addr, dp->d_pri, dp->d_dk, dp->d_flags);
	}
	fprintf(fp, "\t0\n};\n\n");
	fprintf(fp, "#endif\n\n");
/* END HB */
	pseudo_ioconf(fp);
	(void) fclose(fp);
}
#endif

char *
intv(dev)
	register struct device *dev;
{
	static char buf[20];

	if (dev->d_vec == 0)
		return ("     0");
	(void) sprintf(buf, "%sint%d", dev->d_name, dev->d_unit);
	return (buf);
}

char *
qu(num)
{

	if (num == QUES)
		return ("'?'");
	if (num == UNKNOWN)
		return (" -1");
	(void) sprintf(errbuf, "%3d", num);
	return (errbuf);
}

char *
wnum(num)
{

	if (num == QUES || num == UNKNOWN)
		return ("?");
	(void) sprintf(errbuf, "%d", num);
	return (errbuf);
}

void
pseudo_ioconf(fp)
	register FILE *fp;
{
	register struct device *dp;

	(void)fprintf(fp, "\n#include <sys/device.h>\n\n");
	for (dp = dtab; dp != NULL; dp = dp->d_next)
		if (dp->d_type == PSEUDO_DEVICE)
			(void)fprintf(fp, "extern void %sattach __P((int));\n",
			    dp->d_name);
	/*
	 * XXX concatonated disks are pseudo-devices but appear as DEVICEs
	 * since they don't adhere to normal pseudo-device conventions
	 * (i.e. one entry with total count in d_slave).
	 */
	if (seen_cd)
		(void)fprintf(fp, "extern void cdattach __P((int));\n");
	/* XXX temporary for HP300, others */
	(void)fprintf(fp, "\n#include <sys/systm.h> /* XXX */\n");
	(void)fprintf(fp, "#define etherattach (void (*)__P((int)))nullop\n");
	(void)fprintf(fp, "#define iteattach (void (*) __P((int)))nullop\n");
	(void)fprintf(fp, "\nstruct pdevinit pdevinit[] = {\n");
	for (dp = dtab; dp != NULL; dp = dp->d_next)
		if (dp->d_type == PSEUDO_DEVICE)
			(void)fprintf(fp, "\t{ %sattach, %d },\n", dp->d_name,
			    dp->d_slave > 0 ? dp->d_slave : 1);
	/*
	 * XXX count up cds and put out an entry
	 */
	if (seen_cd) {
		struct file_list *fl;
		int cdmax = -1;

		for (fl = comp_list; fl != NULL; fl = fl->f_next)
			if (fl->f_type == COMPDEVICE && fl->f_compinfo > cdmax)
				cdmax = fl->f_compinfo;
		(void)fprintf(fp, "\t{ cdattach, %d },\n", cdmax+1);
	}
	(void)fprintf(fp, "\t{ 0, 0 }\n};\n");
	if (seen_cd)
		comp_config(fp);
}

comp_config(fp)
	FILE *fp;
{
	register struct file_list *fl;
	register struct device *dp;

	fprintf(fp, "\n#include <dev/cdvar.h>\n");
	fprintf(fp, "\nstruct cddevice cddevice[] = {\n");
	fprintf(fp, "/*\tunit\tileave\tflags\tdk\tdevs\t\t\t\t*/\n");

	fl = comp_list;
	while (fl) {
		if (fl->f_type != COMPDEVICE) {
			fl = fl->f_next;
			continue;
		}
		for (dp = dtab; dp != 0; dp = dp->d_next)
			if (dp->d_type == DEVICE &&
			    eq(dp->d_name, fl->f_fn) &&
			    dp->d_unit == fl->f_compinfo)
				break;
		if (dp == 0)
			continue;
		fprintf(fp, "\t%d,\t%d,\t%d,\t%d,\t{",
			dp->d_unit, dp->d_pri < 0 ? 0 : dp->d_pri,
			dp->d_flags, 1);
		for (fl = fl->f_next; fl->f_type == COMPSPEC; fl = fl->f_next)
			fprintf(fp, " 0x%x,", fl->f_compdev);
		fprintf(fp, " NODEV },\n");
	}
	fprintf(fp, "\t-1,\t0,\t0,\t0,\t{ 0 },\n};\n");
}