projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Copyright (c) 1982, 1986, 1988 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 78ed81a3 | 33 | * from: @(#)reboot.h 7.6 (Berkeley) 6/28/90 |
| 34 | * $Id$ | |
| 15637ed4 RG |
35 | */ |
| 36 | ||
| 37 | /* | |
| 38 | * Arguments to reboot system call. | |
| 39 | * These are passed to boot program in r11, | |
| 40 | * and on to init. | |
| 41 | */ | |
| 42 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ | |
| 43 | ||
| 44 | #define RB_ASKNAME 0x01 /* ask for file name to reboot from */ | |
| 45 | #define RB_SINGLE 0x02 /* reboot to single user only */ | |
| 46 | #define RB_NOSYNC 0x04 /* dont sync before reboot */ | |
| 47 | #define RB_HALT 0x08 /* don't reboot, just halt */ | |
| 48 | #define RB_INITNAME 0x10 /* name given for /etc/init (unused) */ | |
| 49 | #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */ | |
| 50 | #define RB_KDB 0x40 /* give control to kernel debugger */ | |
| 51 | #define RB_RDONLY 0x80 /* mount root fs read-only */ | |
| 52 | #define RB_DUMP 0x100 /* dump kernel memory before reboot */ | |
| 53 | ||
| 54 | /* | |
| 55 | * Constants for converting boot-style device number to type, | |
| 56 | * adaptor (uba, mba, etc), unit number and partition number. | |
| 57 | * Type (== major device number) is in the low byte | |
| 58 | * for backward compatibility. Except for that of the "magic | |
| 59 | * number", each mask applies to the shifted value. | |
| 60 | * Format: | |
| 61 | * (4) (4) (4) (4) (8) (8) | |
| 62 | * -------------------------------- | |
| 63 | * |MA | AD| CT| UN| PART | TYPE | | |
| 64 | * -------------------------------- | |
| 65 | */ | |
| 66 | #define B_ADAPTORSHIFT 24 | |
| 67 | #define B_ADAPTORMASK 0x0f | |
| 68 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) | |
| 69 | #define B_CONTROLLERSHIFT 20 | |
| 70 | #define B_CONTROLLERMASK 0xf | |
| 71 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) | |
| 72 | #define B_UNITSHIFT 16 | |
| 73 | #define B_UNITMASK 0xf | |
| 74 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) | |
| 75 | #define B_PARTITIONSHIFT 8 | |
| 76 | #define B_PARTITIONMASK 0xff | |
| 77 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) | |
| 78 | #define B_TYPESHIFT 0 | |
| 79 | #define B_TYPEMASK 0xff | |
| 80 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) | |
| 81 | ||
| 82 | #define B_MAGICMASK ((u_long)0xf0000000) | |
| 83 | #define B_DEVMAGIC ((u_long)0xa0000000) | |
| 84 | ||
| 85 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ | |
| 86 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ | |
| 87 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ | |
| 88 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |