89 lines
3.9 KiB
C
89 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 1982, 1986, 1988, 1993
|
|
* 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 8.1 (Berkeley) 6/2/93
|
|
*/
|
|
|
|
/*
|
|
* 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_NOSYNC 0x04 /* don't sync before reboot */
|
|
#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_KDB 0x40 /* give control to kernel debugger */
|
|
#define RB_RDONLY 0x80 /* 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 */
|
|
|
|
/*
|
|
* 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)
|