| /* |
| * 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 |
| * 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, 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 ((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 |
| |
| __BEGIN_DECLS |
| |
| /* Reboot or halt the system. */ |
| extern int reboot (int __howto) __THROW; |
| |
| __END_DECLS |
| |
| |
| #endif /* _SYS_REBOOT_H_ */ |
