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- /*
- * Mach Operating System
- * Copyright (c) 1993,1991,1990 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 1.1 1993/08/03 22:25:15 roland
- * entered into RCS
- *
- * Revision 2.8 93/03/11 13:46:40 danner
- * u_long -> u_int.
- * [93/03/09 danner]
- *
- * Revision 2.7 92/05/21 17:25:11 jfriedl
- * Appended 'U' to constants that would otherwise be signed.
- * [92/05/16 jfriedl]
- *
- * Revision 2.6 91/06/19 11:59:44 rvb
- * Second byte of boothowto is flags for "startup" program.
- * [91/06/18 rvb]
- * Add ifndef ASSEMBLER so that vax_init.s can include it.
- * [91/06/11 rvb]
- *
- * Revision 2.5 91/05/14 17:40:11 mrt
- * Correcting copyright
- *
- * Revision 2.4 91/02/05 17:56:48 mrt
- * Changed to new Mach copyright
- * [91/02/01 17:49:12 mrt]
- *
- * Revision 2.3 90/08/27 22:12:56 dbg
- * Added definitions used by Mach Kernel: RB_DEBUGGER, RB_UNIPROC,
- * RB_NOBOOTRC, RB_ALTBOOT. Moved RB_KDB to 0x04 (Mach value).
- * Removed RB_RDONLY, RB_DUMP, RB_NOSYNC.
- * [90/08/14 dbg]
- *
- */
-
- /*
- * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)reboot.h 7.5 (Berkeley) 6/27/88
- */
-
- #ifndef _SYS_REBOOT_H_
- #define _SYS_REBOOT_H_
-
- /*
- * Arguments to reboot system call.
- * These are converted to switches, and passed to startup program,
- * and on to init.
- */
- #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
-
- #define RB_ASKNAME 0x01 /* -a: ask for file name to reboot from */
- #define RB_SINGLE 0x02 /* -s: reboot to single user only */
- #define RB_KDB 0x04 /* -d: kernel debugger symbols loaded */
- #define RB_HALT 0x08 /* -h: enter KDB at bootup */
- /* for host_reboot(): don't reboot,
- just halt */
- #define RB_INITNAME 0x10 /* -i: name given for /etc/init (unused) */
- #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */
- #define RB_NOBOOTRC 0x20 /* -b: don't run /etc/rc.boot */
- #define RB_ALTBOOT 0x40 /* use /boot.old vs /boot */
- #define RB_UNIPROC 0x80 /* -u: start only one processor */
-
- #define RB_SHIFT 8 /* second byte is for ux */
-
- #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_int)0xf0000000U)
- #define B_DEVMAGIC ((u_int)0xa0000000U)
-
- #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
- (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
- ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
- ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
-
-
- #ifdef KERNEL
- #ifndef ASSEMBLER
- extern int boothowto;
- #endif ASSEMBLER
- #endif
-
- #endif /* _SYS_REBOOT_H_ */
-