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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23: /*
24: * Copyright (c) 1982, 1986, 1988, 1993, 1994
25: * The Regents of the University of California. All rights reserved.
26: *
27: * Redistribution and use in source and binary forms, with or without
28: * modification, are permitted provided that the following conditions
29: * are met:
30: * 1. Redistributions of source code must retain the above copyright
31: * notice, this list of conditions and the following disclaimer.
32: * 2. Redistributions in binary form must reproduce the above copyright
33: * notice, this list of conditions and the following disclaimer in the
34: * documentation and/or other materials provided with the distribution.
35: * 3. All advertising materials mentioning features or use of this software
36: * must display the following acknowledgement:
37: * This product includes software developed by the University of
38: * California, Berkeley and its contributors.
39: * 4. Neither the name of the University nor the names of its contributors
40: * may be used to endorse or promote products derived from this software
41: * without specific prior written permission.
42: *
43: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
44: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
47: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53: * SUCH DAMAGE.
54: *
55: * @(#)reboot.h 8.3 (Berkeley) 12/13/94
56: */
57:
58: #ifndef _SYS_REBOOT_H_
59: #define _SYS_REBOOT_H_
60:
61: #ifdef KERNEL_BUILD
62: #include <mach_kdb.h>
63: #endif /* KERNEL_BUILD */
64:
65: /*
66: * Arguments to reboot system call.
67: */
68:
69: #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
70:
71: #define RB_ASKNAME 0x01 /* ask for file name to reboot from */
72: #define RB_SINGLE 0x02 /* reboot to single user only */
73: #define RB_NOSYNC 0x04 /* dont sync before reboot */
74: #define RB_KDB 0x04 /* load kernel debugger */
75: #define RB_HALT 0x08 /* don't reboot, just halt */
76: #define RB_INITNAME 0x10 /* name given for /etc/init */
77: #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */
78: #define RB_ALTBOOT 0x40 /* use /boot.old vs /boot */
79: #define RB_UNIPROC 0x80 /* don't start slaves */
80: #define RB_PANIC 0 /* reboot due to panic */
81: #define RB_BOOT 1 /* reboot due to boot() */
82:
83: /*
84: * Constants for converting boot-style device number to type,
85: * adaptor (uba, mba, etc), unit number and partition number.
86: * Type (== major device number) is in the low byte
87: * for backward compatibility. Except for that of the "magic
88: * number", each mask applies to the shifted value.
89: * Format:
90: * (4) (4) (4) (4) (8) (8)
91: * --------------------------------
92: * |MA | AD| CT| UN| PART | TYPE |
93: * --------------------------------
94: */
95: #define B_ADAPTORSHIFT 24
96: #define B_ADAPTORMASK 0x0f
97: #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
98: #define B_CONTROLLERSHIFT 20
99: #define B_CONTROLLERMASK 0xf
100: #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
101: #define B_UNITSHIFT 16
102: #define B_UNITMASK 0xff
103: #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK)
104: #define B_PARTITIONSHIFT 8
105: #define B_PARTITIONMASK 0xff
106: #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
107: #define B_TYPESHIFT 0
108: #define B_TYPEMASK 0xff
109: #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK)
110: #define B_MAGICMASK 0xf0000000
111: #define B_DEVMAGIC 0xa0000000
112:
113: #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
114: (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
115: ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
116: ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
117:
118: #include <machine/reboot.h>
119:
120: #endif /* _SYS_REBOOT_H_ */
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