/
reboot.h
124 lines (109 loc) · 4.8 KB
/
reboot.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
/* $NetBSD: reboot.h,v 1.25 2007/12/25 18:33:48 perry Exp $ */
/*
* Copyright (c) 1982, 1986, 1988, 1993, 1994
* 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.
* 3. 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 8.3 (Berkeley) 12/13/94
*/
#ifndef _SYS_REBOOT_H_
#define _SYS_REBOOT_H_
/*
* Arguments to reboot system call. These are passed to the boot program,
* and then on to init.
*/
#define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
#define RB_ASKNAME 0x00000001 /* ask for file name to reboot from */
#define RB_SINGLE 0x00000002 /* reboot to single user only */
#define RB_NOSYNC 0x00000004 /* dont sync before reboot */
#define RB_HALT 0x00000008 /* don't reboot, just halt */
#define RB_INITNAME 0x00000010 /* name given for /etc/init (unused) */
#define __RB_UNUSED1 0x00000020 /* was RB_DFLTROOT, obsolete */
#define RB_KDB 0x00000040 /* give control to kernel debugger */
#define RB_RDONLY 0x00000080 /* mount root fs read-only */
#define RB_DUMP 0x00000100 /* dump kernel memory before reboot */
#define RB_MINIROOT 0x00000200 /* mini-root present in memory */
#define RB_STRING 0x00000400 /* use provided bootstr */
#define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */
#define RB_USERCONF 0x00001000 /* change configured devices */
/*
* Extra autoboot flags (passed by boot prog to kernel). See also
* macros bootverbose, bootquiet in <sys/systm.h>.
*/
#define AB_NORMAL 0x00000000 /* boot normally (default) */
#define AB_QUIET 0x00010000 /* boot quietly */
#define AB_VERBOSE 0x00020000 /* boot verbosely */
#define AB_SILENT 0x00040000 /* boot silently */
#define AB_DEBUG 0x00080000 /* boot with debug messages */
/*
* The top 4 bits are architecture specific and are used to
* pass information between the bootblocks and the machine
* initialization code.
*/
#define RB_MD1 0x10000000
#define RB_MD2 0x20000000
#define RB_MD3 0x40000000
#define RB_MD4 0x80000000
/*
* 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 0xf0000000
#define B_DEVMAGIC 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)
#ifdef _KERNEL
__BEGIN_DECLS
void cpu_reboot(int, char *)
__dead;
__END_DECLS
#endif /* _KERNEL */
#endif /* !_SYS_REBOOT_H_ */