freebsd-nq/sys/ia64/ia64/autoconf.c
Peter Wemm bcf77694d1 Clean up some leftovers from the root mount cleanup that was done some
time ago.  FFS_ROOT and CD9660_ROOT are obsolete.
2001-02-04 15:35:10 +00:00

116 lines
3.0 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include "opt_bootp.h"
#include "opt_isa.h"
#include "opt_nfs.h"
#include "opt_nfsroot.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/disklabel.h>
#include <sys/diskslice.h> /* for BASE_SLICE, MAX_SLICES */
#include <sys/reboot.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#include <sys/devicestat.h>
#include <sys/cons.h>
#include <machine/ipl.h>
#include <machine/md_var.h>
#include <machine/bootinfo.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_sim.h>
#include <cam/cam_periph.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_debug.h>
static void configure __P((void *));
SYSINIT(configure, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL)
#ifdef DEV_ISA
#include <isa/isavar.h>
device_t isa_bus_device = 0;
#endif
extern int nfs_diskless_valid;
dev_t rootdev = NODEV;
dev_t dumpdev = NODEV;
/*
* Determine i/o configuration for a machine.
*/
static void
configure(void *dummy)
{
device_add_child(root_bus, "nexus", 0);
root_bus_configure();
/*
* Probe ISA devices after everything.
*/
#ifdef DEV_ISA
if (isa_bus_device)
isa_probe_children(isa_bus_device);
#endif
cninit_finish();
/*
* Now we're ready to handle (pending) interrupts.
* XXX this is slightly misplaced.
*/
enable_intr();
cold = 0;
}
/*
* Do legacy root filesystem discovery. This isn't really
* needed on the Alpha, which has always used the loader.
*/
void
cpu_rootconf()
{
int order = 0;
#if defined(NFS) && defined(NFS_ROOT)
#if !defined(BOOTP_NFSROOT)
if (nfs_diskless_valid)
#endif
rootdevnames[order++] = "nfs:";
#endif
}
SYSINIT(cpu_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, cpu_rootconf, NULL)