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- /*
- * Mach Operating System
- * Copyright (c) 1992 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- * HISTORY
- * $Log: reboot.h,v $
- * Revision 2.1 92/04/21 17:15:32 rwd
- * BSDSS
- *
- *
- */
-
- /*
- * Copyright (c) 1982, 1986, 1988 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 7.6 (Berkeley) 6/28/90
- */
-
- /*
- * Arguments to reboot system call.
- * These are passed to boot program in r11,
- * and on to init.
- */
- #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
-
- #define RB_ASKNAME 0x01 /* ask for file name to reboot from */
- #define RB_SINGLE 0x02 /* reboot to single user only */
- #define RB_KDB 0x04 /* give control to kernel debugger */
- #define RB_HALT 0x08 /* don't reboot, just halt */
- #define RB_INITNAME 0x10 /* name given for /etc/init (unused) */
- #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */
- #define RB_DUMP 0x100 /* dump kernel memory before reboot */
- #define RB_NOSYNC 0x200 /* dont sync before reboot */
- #define RB_RDONLY 0x400 /* mount root fs read-only */
- #define RB_DEBUGGER 0x1000 /* for host_reboot(): enter kernel
- debugger from user level */
-
- /*
- * 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_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 ((u_long)0xf0000000)
- #define B_DEVMAGIC ((u_long)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)
-