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Annotation of kernel/bsd/sys/reboot.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*
        !            27:  * Copyright (c) 1982, 1986, 1988, 1993, 1994
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)reboot.h    8.3 (Berkeley) 12/13/94
        !            59:  */
        !            60: 
        !            61: #ifndef        _SYS_REBOOT_H_
        !            62: #define _SYS_REBOOT_H_
        !            63: 
        !            64: #ifdef KERNEL_BUILD
        !            65: #include <mach_kdb.h>
        !            66: #endif /* KERNEL_BUILD */
        !            67: 
        !            68: /*
        !            69:  * Arguments to reboot system call.
        !            70:  */
        !            71: 
        !            72: #define RB_AUTOBOOT    0       /* flags for system auto-booting itself */
        !            73: 
        !            74: #define RB_ASKNAME     0x01    /* ask for file name to reboot from */
        !            75: #define RB_SINGLE      0x02    /* reboot to single user only */
        !            76: #define RB_NOSYNC      0x04    /* dont sync before reboot */
        !            77: #define RB_KDB         0x04    /* load kernel debugger */
        !            78: #define RB_HALT                0x08    /* don't reboot, just halt */
        !            79: #define RB_INITNAME    0x10    /* name given for /etc/init */
        !            80: #define RB_DFLTROOT    0x20    /* use compiled-in rootdev */
        !            81: #define RB_ALTBOOT     0x40    /* use /boot.old vs /boot */
        !            82: #define RB_UNIPROC     0x80    /* don't start slaves */
        !            83: #define RB_PANIC       0       /* reboot due to panic */
        !            84: #define RB_BOOT                1       /* reboot due to boot() */
        !            85: 
        !            86: /*
        !            87:  * Constants for converting boot-style device number to type,
        !            88:  * adaptor (uba, mba, etc), unit number and partition number.
        !            89:  * Type (== major device number) is in the low byte
        !            90:  * for backward compatibility.  Except for that of the "magic
        !            91:  * number", each mask applies to the shifted value.
        !            92:  * Format:
        !            93:  *      (4) (4) (4) (4)  (8)     (8)
        !            94:  *     --------------------------------
        !            95:  *     |MA | AD| CT| UN| PART  | TYPE |
        !            96:  *     --------------------------------
        !            97:  */
        !            98: #define B_ADAPTORSHIFT 24
        !            99: #define B_ADAPTORMASK  0x0f
        !           100: #define        B_ADAPTOR(val)          (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
        !           101: #define B_CONTROLLERSHIFT      20
        !           102: #define B_CONTROLLERMASK       0xf
        !           103: #define        B_CONTROLLER(val)       (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
        !           104: #define B_UNITSHIFT    16
        !           105: #define B_UNITMASK     0xff
        !           106: #define        B_UNIT(val)             (((val) >> B_UNITSHIFT) & B_UNITMASK)
        !           107: #define B_PARTITIONSHIFT 8
        !           108: #define B_PARTITIONMASK        0xff
        !           109: #define        B_PARTITION(val)        (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
        !           110: #define B_TYPESHIFT    0
        !           111: #define B_TYPEMASK     0xff
        !           112: #define        B_TYPE(val)             (((val) >> B_TYPESHIFT) & B_TYPEMASK)
        !           113: #define B_MAGICMASK    0xf0000000
        !           114: #define B_DEVMAGIC     0xa0000000
        !           115: 
        !           116: #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
        !           117:        (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
        !           118:        ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
        !           119:        ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
        !           120: 
        !           121: #include <machine/reboot.h>
        !           122: 
        !           123: #endif /* _SYS_REBOOT_H_ */

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