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