| /* |
| * 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. |
| * 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) |
