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| 1 | /* |
|---|---|
| 2 | * Mach Operating System |
| 3 | * Copyright (C) 1993,1991,1990 Carnegie Mellon University |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission to use, copy, modify and distribute this software and its |
| 7 | * documentation is hereby granted, provided that both the copyright |
| 8 | * notice and this permission notice appear in all copies of the |
| 9 | * software, derivative works or modified versions, and any portions |
| 10 | * thereof, and that both notices appear in supporting documentation. |
| 11 | * |
| 12 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| 13 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| 14 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| 15 | * |
| 16 | * Carnegie Mellon requests users of this software to return to |
| 17 | * |
| 18 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| 19 | * School of Computer Science |
| 20 | * Carnegie Mellon University |
| 21 | * Pittsburgh PA 15213-3890 |
| 22 | * |
| 23 | * any improvements or extensions that they make and grant Carnegie Mellon |
| 24 | * the rights to redistribute these changes. |
| 25 | */ |
| 26 | /* |
| 27 | * (pre-GNU) HISTORY |
| 28 | * |
| 29 | * Revision 2.8 93/03/11 13:46:40 danner |
| 30 | * unsigned long -> unsigned int. |
| 31 | * [93/03/09 danner] |
| 32 | * |
| 33 | * Revision 2.7 92/05/21 17:25:11 jfriedl |
| 34 | * Appended 'U' to constants that would otherwise be signed. |
| 35 | * [92/05/16 jfriedl] |
| 36 | * |
| 37 | * Revision 2.6 91/06/19 11:59:44 rvb |
| 38 | * Second byte of boothowto is flags for "startup" program. |
| 39 | * [91/06/18 rvb] |
| 40 | * Add ifndef __ASSEMBLER__ so that vax_init.s can include it. |
| 41 | * [91/06/11 rvb] |
| 42 | * |
| 43 | * Revision 2.5 91/05/14 17:40:11 mrt |
| 44 | * Correcting copyright |
| 45 | * |
| 46 | * Revision 2.4 91/02/05 17:56:48 mrt |
| 47 | * Changed to new Mach copyright |
| 48 | * [91/02/01 17:49:12 mrt] |
| 49 | * |
| 50 | * Revision 2.3 90/08/27 22:12:56 dbg |
| 51 | * Added definitions used by Mach Kernel: RB_DEBUGGER, RB_UNIPROC, |
| 52 | * RB_NOBOOTRC, RB_ALTBOOT. Moved RB_KDB to 0x04 (Mach value). |
| 53 | * Removed RB_RDONLY, RB_DUMP, RB_NOSYNC. |
| 54 | * [90/08/14 dbg] |
| 55 | * |
| 56 | */ |
| 57 | |
| 58 | /* |
| 59 | Copyright (C) 1982, 1986, 1988 Regents of the University of California. |
| 60 | All rights reserved. |
| 61 | |
| 62 | Redistribution and use in source and binary forms, with or without |
| 63 | modification, are permitted provided that the following conditions |
| 64 | are met: |
| 65 | |
| 66 | 1. Redistributions of source code must retain the above copyright |
| 67 | notice, this list of conditions and the following disclaimer. |
| 68 | 2. Redistributions in binary form must reproduce the above copyright |
| 69 | notice, this list of conditions and the following disclaimer in the |
| 70 | documentation and/or other materials provided with the distribution. |
| 71 | 4. Neither the name of the University nor the names of its contributors |
| 72 | may be used to endorse or promote products derived from this software |
| 73 | without specific prior written permission. |
| 74 | |
| 75 | THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 76 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 77 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 78 | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 79 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 80 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 81 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 82 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 83 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 84 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 85 | SUCH DAMAGE.*/ |
| 86 | |
| 87 | /* |
| 88 | * @(#)reboot.h 7.5 (Berkeley) 6/27/88 |
| 89 | */ |
| 90 | |
| 91 | #ifndef _SYS_REBOOT_H_ |
| 92 | #define _SYS_REBOOT_H_ |
| 93 | |
| 94 | #include <features.h> |
| 95 | |
| 96 | /* |
| 97 | * Arguments to reboot system call. |
| 98 | * These are converted to switches, and passed to startup program, |
| 99 | * and on to init. |
| 100 | */ |
| 101 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
| 102 | |
| 103 | #define RB_ASKNAME 0x01 /* -a: ask for file name to reboot from */ |
| 104 | #define RB_SINGLE 0x02 /* -s: reboot to single user only */ |
| 105 | #define RB_KDB 0x04 /* -d: kernel debugger symbols loaded */ |
| 106 | #define RB_HALT 0x08 /* -h: enter KDB at bootup */ |
| 107 | /* for host_reboot(): don't reboot, |
| 108 | just halt */ |
| 109 | #define RB_INITNAME 0x10 /* -i: name given for /etc/init (unused) */ |
| 110 | #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */ |
| 111 | #define RB_NOBOOTRC 0x20 /* -b: don't run /etc/rc.boot */ |
| 112 | #define RB_ALTBOOT 0x40 /* use /boot.old vs /boot */ |
| 113 | #define RB_UNIPROC 0x80 /* -u: start only one processor */ |
| 114 | |
| 115 | #define RB_SHIFT 8 /* second byte is for ux */ |
| 116 | |
| 117 | #define RB_DEBUGGER 0x1000 /* for host_reboot(): enter kernel |
| 118 | debugger from user level */ |
| 119 | |
| 120 | /* |
| 121 | * Constants for converting boot-style device number to type, |
| 122 | * adaptor (uba, mba, etc), unit number and partition number. |
| 123 | * Type (== major device number) is in the low byte |
| 124 | * for backward compatibility. Except for that of the "magic |
| 125 | * number", each mask applies to the shifted value. |
| 126 | * Format: |
| 127 | * (4) (4) (4) (4) (8) (8) |
| 128 | * -------------------------------- |
| 129 | * |MA | AD| CT| UN| PART | TYPE | |
| 130 | * -------------------------------- |
| 131 | */ |
| 132 | #define B_ADAPTORSHIFT 24 |
| 133 | #define B_ADAPTORMASK 0x0f |
| 134 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) |
| 135 | #define B_CONTROLLERSHIFT 20 |
| 136 | #define B_CONTROLLERMASK 0xf |
| 137 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) |
| 138 | #define B_UNITSHIFT 16 |
| 139 | #define B_UNITMASK 0xf |
| 140 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) |
| 141 | #define B_PARTITIONSHIFT 8 |
| 142 | #define B_PARTITIONMASK 0xff |
| 143 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) |
| 144 | #define B_TYPESHIFT 0 |
| 145 | #define B_TYPEMASK 0xff |
| 146 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) |
| 147 | |
| 148 | #define B_MAGICMASK 0xf0000000U |
| 149 | #define B_DEVMAGIC 0xa0000000U |
| 150 | |
| 151 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ |
| 152 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
| 153 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
| 154 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
| 155 | |
| 156 | |
| 157 | #ifdef KERNEL |
| 158 | #ifndef __ASSEMBLER__ |
| 159 | extern int boothowto; |
| 160 | #endif /* __ASSEMBLER__ */ |
| 161 | #endif |
| 162 | |
| 163 | __BEGIN_DECLS |
| 164 | |
| 165 | /* Reboot or halt the system. */ |
| 166 | extern int reboot (int __howto) __THROW; |
| 167 | |
| 168 | __END_DECLS |
| 169 | |
| 170 | |
| 171 | #endif /* _SYS_REBOOT_H_ */ |
| 172 |
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