1 | /* $NetBSD: reboot.h,v 1.25 2007/12/25 18:33:48 perry Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1982, 1986, 1988, 1993, 1994 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. Neither the name of the University nor the names of its contributors |
16 | * may be used to endorse or promote products derived from this software |
17 | * without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
29 | * SUCH DAMAGE. |
30 | * |
31 | * @(#)reboot.h 8.3 (Berkeley) 12/13/94 |
32 | */ |
33 | |
34 | #ifndef _SYS_REBOOT_H_ |
35 | #define _SYS_REBOOT_H_ |
36 | |
37 | /* |
38 | * Arguments to reboot system call. These are passed to the boot program, |
39 | * and then on to init. |
40 | */ |
41 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
42 | |
43 | #define RB_ASKNAME 0x00000001 /* ask for file name to reboot from */ |
44 | #define RB_SINGLE 0x00000002 /* reboot to single user only */ |
45 | #define RB_NOSYNC 0x00000004 /* dont sync before reboot */ |
46 | #define RB_HALT 0x00000008 /* don't reboot, just halt */ |
47 | #define RB_INITNAME 0x00000010 /* name given for /etc/init (unused) */ |
48 | #define __RB_UNUSED1 0x00000020 /* was RB_DFLTROOT, obsolete */ |
49 | #define RB_KDB 0x00000040 /* give control to kernel debugger */ |
50 | #define RB_RDONLY 0x00000080 /* mount root fs read-only */ |
51 | #define RB_DUMP 0x00000100 /* dump kernel memory before reboot */ |
52 | #define RB_MINIROOT 0x00000200 /* mini-root present in memory */ |
53 | #define RB_STRING 0x00000400 /* use provided bootstr */ |
54 | #define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */ |
55 | #define RB_USERCONF 0x00001000 /* change configured devices */ |
56 | |
57 | /* |
58 | * Extra autoboot flags (passed by boot prog to kernel). See also |
59 | * macros bootverbose, bootquiet in <sys/systm.h>. |
60 | */ |
61 | #define AB_NORMAL 0x00000000 /* boot normally (default) */ |
62 | #define AB_QUIET 0x00010000 /* boot quietly */ |
63 | #define AB_VERBOSE 0x00020000 /* boot verbosely */ |
64 | #define AB_SILENT 0x00040000 /* boot silently */ |
65 | #define AB_DEBUG 0x00080000 /* boot with debug messages */ |
66 | |
67 | /* |
68 | * The top 4 bits are architecture specific and are used to |
69 | * pass information between the bootblocks and the machine |
70 | * initialization code. |
71 | */ |
72 | #define RB_MD1 0x10000000 |
73 | #define RB_MD2 0x20000000 |
74 | #define RB_MD3 0x40000000 |
75 | #define RB_MD4 0x80000000 |
76 | |
77 | /* |
78 | * Constants for converting boot-style device number to type, |
79 | * adaptor (uba, mba, etc), unit number and partition number. |
80 | * Type (== major device number) is in the low byte |
81 | * for backward compatibility. Except for that of the "magic |
82 | * number", each mask applies to the shifted value. |
83 | * Format: |
84 | * (4) (4) (4) (4) (8) (8) |
85 | * -------------------------------- |
86 | * |MA | AD| CT| UN| PART | TYPE | |
87 | * -------------------------------- |
88 | */ |
89 | #define B_ADAPTORSHIFT 24 |
90 | #define B_ADAPTORMASK 0x0f |
91 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) |
92 | #define B_CONTROLLERSHIFT 20 |
93 | #define B_CONTROLLERMASK 0xf |
94 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) |
95 | #define B_UNITSHIFT 16 |
96 | #define B_UNITMASK 0xf |
97 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) |
98 | #define B_PARTITIONSHIFT 8 |
99 | #define B_PARTITIONMASK 0xff |
100 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) |
101 | #define B_TYPESHIFT 0 |
102 | #define B_TYPEMASK 0xff |
103 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) |
104 | |
105 | #define B_MAGICMASK 0xf0000000 |
106 | #define B_DEVMAGIC 0xa0000000 |
107 | |
108 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ |
109 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
110 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
111 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
112 | |
113 | #ifdef _KERNEL |
114 | |
115 | __BEGIN_DECLS |
116 | |
117 | void cpu_reboot(int, char *) |
118 | __dead; |
119 | |
120 | __END_DECLS |
121 | |
122 | #endif /* _KERNEL */ |
123 | |
124 | #endif /* !_SYS_REBOOT_H_ */ |
125 | |