172 lines
6.1 KiB
C
172 lines
6.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
/*
|
|
* (pre-GNU) HISTORY
|
|
*
|
|
* Revision 2.8 93/03/11 13:46:40 danner
|
|
* unsigned long -> unsigned 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, 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.
|
|
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 7.5 (Berkeley) 6/27/88
|
|
*/
|
|
|
|
#ifndef _SYS_REBOOT_H_
|
|
#define _SYS_REBOOT_H_
|
|
|
|
#include <features.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 0xf0000000U
|
|
#define B_DEVMAGIC 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
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Reboot or halt the system. */
|
|
extern int reboot (int __howto) __THROW;
|
|
|
|
__END_DECLS
|
|
|
|
|
|
#endif /* _SYS_REBOOT_H_ */
|