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1 | 13 | up20180614 | /* $NetBSD: reboot.h,v 1.25 2007/12/25 18:33:48 perry Exp $ */
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2 | |||
3 | /*
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4 | * Copyright (c) 1982, 1986, 1988, 1993, 1994
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5 | * The Regents of the University of California. All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | * 3. Neither the name of the University nor the names of its contributors
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16 | * may be used to endorse or promote products derived from this software
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17 | * without specific prior written permission.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 | * SUCH DAMAGE.
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30 | *
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31 | * @(#)reboot.h 8.3 (Berkeley) 12/13/94
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32 | */
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33 | |||
34 | #ifndef _SYS_REBOOT_H_
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35 | #define _SYS_REBOOT_H_
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36 | |||
37 | /*
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38 | * Arguments to reboot system call. These are passed to the boot program,
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39 | * and then on to init.
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40 | */
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41 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
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42 | |||
43 | #define RB_ASKNAME 0x00000001 /* ask for file name to reboot from */ |
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44 | #define RB_SINGLE 0x00000002 /* reboot to single user only */ |
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45 | #define RB_NOSYNC 0x00000004 /* dont sync before reboot */ |
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46 | #define RB_HALT 0x00000008 /* don't reboot, just halt */ |
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47 | #define RB_INITNAME 0x00000010 /* name given for /etc/init (unused) */ |
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48 | #define __RB_UNUSED1 0x00000020 /* was RB_DFLTROOT, obsolete */ |
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49 | #define RB_KDB 0x00000040 /* give control to kernel debugger */ |
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50 | #define RB_RDONLY 0x00000080 /* mount root fs read-only */ |
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51 | #define RB_DUMP 0x00000100 /* dump kernel memory before reboot */ |
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52 | #define RB_MINIROOT 0x00000200 /* mini-root present in memory */ |
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53 | #define RB_STRING 0x00000400 /* use provided bootstr */ |
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54 | #define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */ |
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55 | #define RB_USERCONF 0x00001000 /* change configured devices */ |
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56 | |||
57 | /*
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58 | * Extra autoboot flags (passed by boot prog to kernel). See also
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59 | * macros bootverbose, bootquiet in <sys/systm.h>.
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60 | */
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61 | #define AB_NORMAL 0x00000000 /* boot normally (default) */ |
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62 | #define AB_QUIET 0x00010000 /* boot quietly */ |
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63 | #define AB_VERBOSE 0x00020000 /* boot verbosely */ |
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64 | #define AB_SILENT 0x00040000 /* boot silently */ |
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65 | #define AB_DEBUG 0x00080000 /* boot with debug messages */ |
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66 | |||
67 | /*
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68 | * The top 4 bits are architecture specific and are used to
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69 | * pass information between the bootblocks and the machine
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70 | * initialization code.
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71 | */
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72 | #define RB_MD1 0x10000000 |
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73 | #define RB_MD2 0x20000000 |
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74 | #define RB_MD3 0x40000000 |
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75 | #define RB_MD4 0x80000000 |
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76 | |||
77 | /*
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78 | * Constants for converting boot-style device number to type,
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79 | * adaptor (uba, mba, etc), unit number and partition number.
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80 | * Type (== major device number) is in the low byte
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81 | * for backward compatibility. Except for that of the "magic
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82 | * number", each mask applies to the shifted value.
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83 | * Format:
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84 | * (4) (4) (4) (4) (8) (8)
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85 | * --------------------------------
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86 | * |MA | AD| CT| UN| PART | TYPE |
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87 | * --------------------------------
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88 | */
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89 | #define B_ADAPTORSHIFT 24 |
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90 | #define B_ADAPTORMASK 0x0f |
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91 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
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92 | #define B_CONTROLLERSHIFT 20 |
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93 | #define B_CONTROLLERMASK 0xf |
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94 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
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95 | #define B_UNITSHIFT 16 |
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96 | #define B_UNITMASK 0xf |
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97 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK)
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98 | #define B_PARTITIONSHIFT 8 |
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99 | #define B_PARTITIONMASK 0xff |
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100 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
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101 | #define B_TYPESHIFT 0 |
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102 | #define B_TYPEMASK 0xff |
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103 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK)
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104 | |||
105 | #define B_MAGICMASK 0xf0000000 |
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106 | #define B_DEVMAGIC 0xa0000000 |
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107 | |||
108 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
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109 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
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110 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
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111 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
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112 | |||
113 | #ifdef _KERNEL
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114 | |||
115 | __BEGIN_DECLS |
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116 | |||
117 | void cpu_reboot(int, char *) |
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118 | __dead; |
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119 | |||
120 | __END_DECLS |
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121 | |||
122 | #endif /* _KERNEL */ |
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123 | |||
124 | #endif /* !_SYS_REBOOT_H_ */ |