text: /*
   * Copyright (c) 1982, 1986, 1988, 1993, 1994
   *	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.
   *
   *	@(#)reboot.h	8.3 (Berkeley) 12/13/94
   * $FreeBSD: src/sys/sys/reboot.h,v 1.18.2.3 2003/11/23 01:47:19 bde Exp $
   */
  
  #ifndef _SYS_REBOOT_H_
  #define	_SYS_REBOOT_H_
  
  /*
   * Arguments to reboot system call.  These are passed to
   * the boot program and on to init.
   */
  #define	RB_AUTOBOOT	0	/* flags for system auto-booting itself */
  
  #define	RB_ASKNAME	0x001	/* ask for file name to reboot from */
  #define	RB_SINGLE	0x002	/* reboot to single user only */
  #define	RB_NOSYNC	0x004	/* dont sync before reboot */
  #define	RB_HALT		0x008	/* don't reboot, just halt */
  #define	RB_INITNAME	0x010	/* name given for /etc/init (unused) */
  #define	RB_DFLTROOT	0x020	/* use compiled-in rootdev */
  #define	RB_KDB		0x040	/* give control to kernel debugger */
  #define	RB_RDONLY	0x080	/* mount root fs read-only */
  #define	RB_DUMP		0x100	/* dump kernel memory before reboot */
  #define	RB_MINIROOT	0x200	/* mini-root present in memory at boot time */
  #define	RB_CONFIG	0x400	/* invoke user configuration routing */
  #define	RB_VERBOSE	0x800	/* print all potentially useful info */
  #define	RB_SERIAL	0x1000	/* use serial port as console */
  #define	RB_CDROM	0x2000	/* use cdrom as root */
  #define	RB_POWEROFF	0x4000	/* turn the power off if possible */
  #define	RB_GDB		0x8000	/* use GDB remote debugger instead of DDB */
  #define	RB_MUTE		0x10000	/* start up with the console muted */
  #define	RB_SELFTEST	0x20000	/* don't complete the boot; do selftest */
  #define	RB_RESERVED1	0x40000	/* reserved for internal use of boot blocks */
  #define	RB_RESERVED2	0x80000	/* reserved for internal use of boot blocks */
  #define	RB_PAUSE	0x100000 /* pause after each output line during probe */
  
  #define	RB_BOOTINFO	0x80000000	/* have `struct bootinfo *' arg */
  
  /*
   * Constants for converting boot-style device number to type,
   * adaptor (uba, mba, etc), unit number and partition number.
   * Type (== major device number) is in the low byte
   * for backward compatibility.  Except for that of the "magic
   * number", each mask applies to the shifted value.
   * Format:
   *	 (4) (4) (4) (4)  (8)     (8)
   *	--------------------------------
   *	|MA | AD| CT| UN| PART  | TYPE |
   *	--------------------------------
   */
  #define	B_ADAPTORSHIFT		24
  #define	B_ADAPTORMASK		0x0f
  #define	B_ADAPTOR(val)		(((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
  #define B_CONTROLLERSHIFT	20
  #define B_CONTROLLERMASK	0xf
  #define	B_CONTROLLER(val)	(((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
  #define B_SLICESHIFT		20
  #define B_SLICEMASK		0xff
  #define B_SLICE(val)		(((val)>>B_SLICESHIFT) & B_SLICEMASK)
  #define B_UNITSHIFT		16
  #define B_UNITMASK		0xf
  #define	B_UNIT(val)		(((val) >> B_UNITSHIFT) & B_UNITMASK)
  #define B_PARTITIONSHIFT	8
  #define B_PARTITIONMASK		0xff
  #define	B_PARTITION(val)	(((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
  #define	B_TYPESHIFT		0
  #define	B_TYPEMASK		0xff
  #define	B_TYPE(val)		(((val) >> B_TYPESHIFT) & B_TYPEMASK)
  
  #define	B_MAGICMASK	0xf0000000
  #define	B_DEVMAGIC	0xa0000000
  
  #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
  	(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
  	((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
  	((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
  
  #endif
  