1 | /* |
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2 | * Copyright (c) 1982, 1986, 1988, 1993, 1994 |
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3 | * The Regents of the University of California. All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 3. All advertising materials mentioning features or use of this software |
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14 | * must display the following acknowledgement: |
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15 | * This product includes software developed by the University of |
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16 | * California, Berkeley and its contributors. |
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17 | * 4. Neither the name of the University nor the names of its contributors |
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18 | * may be used to endorse or promote products derived from this software |
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19 | * without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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31 | * SUCH DAMAGE. |
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32 | * |
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33 | * @(#)reboot.h 8.3 (Berkeley) 12/13/94 |
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34 | * $Id$ |
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35 | */ |
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36 | |
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37 | #ifndef _SYS_REBOOT_H_ |
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38 | #define _SYS_REBOOT_H_ |
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39 | |
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40 | /* |
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41 | * Arguments to reboot system call. These are passed to |
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42 | * the boot program and on to init. |
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43 | */ |
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44 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
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45 | |
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46 | #define RB_ASKNAME 0x001 /* ask for file name to reboot from */ |
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47 | #define RB_SINGLE 0x002 /* reboot to single user only */ |
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48 | #define RB_NOSYNC 0x004 /* dont sync before reboot */ |
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49 | #define RB_HALT 0x008 /* don't reboot, just halt */ |
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50 | #define RB_INITNAME 0x010 /* name given for /etc/init (unused) */ |
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51 | #define RB_DFLTROOT 0x020 /* use compiled-in rootdev */ |
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52 | #define RB_KDB 0x040 /* give control to kernel debugger */ |
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53 | #define RB_RDONLY 0x080 /* mount root fs read-only */ |
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54 | #define RB_DUMP 0x100 /* dump kernel memory before reboot */ |
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55 | #define RB_MINIROOT 0x200 /* mini-root present in memory at boot time */ |
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56 | #define RB_CONFIG 0x400 /* invoke user configuration routing */ |
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57 | #define RB_VERBOSE 0x800 /* print all potentially useful info */ |
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58 | #define RB_SERIAL 0x1000 /* user serial port as console */ |
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59 | #define RB_CDROM 0x2000 /* use cdrom as root */ |
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60 | #define RB_POWEROFF 0x4000 /* if you can, turn the power off */ |
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61 | #define RB_GDB 0x8000 /* use GDB remote debugger instead of DDB */ |
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62 | #define RB_MUTE 0x10000 /* Come up with the console muted */ |
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63 | #define RB_SELFTEST 0x20000 /* don't boot to normal operation, do selftest */ |
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64 | |
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65 | #define RB_BOOTINFO 0x80000000 /* have `struct bootinfo *' arg */ |
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66 | |
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67 | /* |
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68 | * Constants for converting boot-style device number to type, |
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69 | * adaptor (uba, mba, etc), unit number and partition number. |
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70 | * Type (== major device number) is in the low byte |
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71 | * for backward compatibility. Except for that of the "magic |
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72 | * number", each mask applies to the shifted value. |
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73 | * Format: |
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74 | * (4) (4) (4) (4) (8) (8) |
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75 | * -------------------------------- |
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76 | * |MA | AD| CT| UN| PART | TYPE | |
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77 | * -------------------------------- |
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78 | */ |
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79 | #define B_ADAPTORSHIFT 24 |
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80 | #define B_ADAPTORMASK 0x0f |
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81 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) |
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82 | #define B_CONTROLLERSHIFT 20 |
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83 | #define B_CONTROLLERMASK 0xf |
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84 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) |
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85 | #define B_SLICESHIFT 20 |
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86 | #define B_SLICEMASK 0xff |
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87 | #define B_SLICE(val) (((val)>>B_SLICESHIFT) & B_SLICEMASK) |
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88 | #define B_UNITSHIFT 16 |
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89 | #define B_UNITMASK 0xf |
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90 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) |
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91 | #define B_PARTITIONSHIFT 8 |
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92 | #define B_PARTITIONMASK 0xff |
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93 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) |
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94 | #define B_TYPESHIFT 0 |
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95 | #define B_TYPEMASK 0xff |
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96 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) |
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97 | |
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98 | #define B_MAGICMASK 0xf0000000 |
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99 | #define B_DEVMAGIC 0xa0000000 |
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100 | |
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101 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ |
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102 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
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103 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
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104 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
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105 | |
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106 | #endif |
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