xref: /freebsd-9.3-release/sys/powerpc/powerpc/autoconf.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.
 */

#ifndef lint
static const char rcsid[] =
  "$FreeBSD: head/sys/powerpc/powerpc/autoconf.c 83651 2001-09-18 23:32:09Z peter $";
#endif

#include "opt_bootp.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/ipl.h>
#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/md_var.h>
#include <machine/bootinfo.h>
#include <machine/trap.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)

dev_t	rootdev = NODEV;
dev_t	dumpdev = NODEV;

/*
 * Determine i/o configuration for a machine.
 */
static void
configure(void *dummy)
{
	unsigned int	msr;

	cold = 0;

	msr = mfmsr();
	msr = PSL_EE|PSL_FP|PSL_ME|PSL_IR|PSL_DR|PSL_RI;
	mtmsr(msr);
	msr = mfmsr();
}