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/* $NetBSD: reboot.h,v 1.25 2007/12/25 18:33:48 perry Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1988, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)reboot.h 8.3 (Berkeley) 12/13/94
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*/
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#ifndef _SYS_REBOOT_H_
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#define _SYS_REBOOT_H_
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/*
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* Arguments to reboot system call. These are passed to the boot program,
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* and then on to init.
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*/
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#define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
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#define RB_ASKNAME 0x00000001 /* ask for file name to reboot from */ |
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#define RB_SINGLE 0x00000002 /* reboot to single user only */ |
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#define RB_NOSYNC 0x00000004 /* dont sync before reboot */ |
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#define RB_HALT 0x00000008 /* don't reboot, just halt */ |
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#define RB_INITNAME 0x00000010 /* name given for /etc/init (unused) */ |
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#define __RB_UNUSED1 0x00000020 /* was RB_DFLTROOT, obsolete */ |
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#define RB_KDB 0x00000040 /* give control to kernel debugger */ |
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#define RB_RDONLY 0x00000080 /* mount root fs read-only */ |
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#define RB_DUMP 0x00000100 /* dump kernel memory before reboot */ |
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#define RB_MINIROOT 0x00000200 /* mini-root present in memory */ |
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#define RB_STRING 0x00000400 /* use provided bootstr */ |
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#define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */ |
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#define RB_USERCONF 0x00001000 /* change configured devices */ |
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/*
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* Extra autoboot flags (passed by boot prog to kernel). See also
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* macros bootverbose, bootquiet in <sys/systm.h>.
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*/
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#define AB_NORMAL 0x00000000 /* boot normally (default) */ |
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#define AB_QUIET 0x00010000 /* boot quietly */ |
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#define AB_VERBOSE 0x00020000 /* boot verbosely */ |
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#define AB_SILENT 0x00040000 /* boot silently */ |
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#define AB_DEBUG 0x00080000 /* boot with debug messages */ |
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/*
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* The top 4 bits are architecture specific and are used to
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* pass information between the bootblocks and the machine
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* initialization code.
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*/
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#define RB_MD1 0x10000000 |
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#define RB_MD2 0x20000000 |
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#define RB_MD3 0x40000000 |
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#define RB_MD4 0x80000000 |
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/*
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* Constants for converting boot-style device number to type,
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* adaptor (uba, mba, etc), unit number and partition number.
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* Type (== major device number) is in the low byte
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* for backward compatibility. Except for that of the "magic
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* number", each mask applies to the shifted value.
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* Format:
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* (4) (4) (4) (4) (8) (8)
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* --------------------------------
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* |MA | AD| CT| UN| PART | TYPE |
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* --------------------------------
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*/
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#define B_ADAPTORSHIFT 24 |
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#define B_ADAPTORMASK 0x0f |
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#define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
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#define B_CONTROLLERSHIFT 20 |
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#define B_CONTROLLERMASK 0xf |
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#define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
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#define B_UNITSHIFT 16 |
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#define B_UNITMASK 0xf |
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#define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK)
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#define B_PARTITIONSHIFT 8 |
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#define B_PARTITIONMASK 0xff |
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#define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
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#define B_TYPESHIFT 0 |
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#define B_TYPEMASK 0xff |
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#define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK)
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#define B_MAGICMASK 0xf0000000 |
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#define B_DEVMAGIC 0xa0000000 |
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#define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
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(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
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((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
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((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
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#ifdef _KERNEL
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__BEGIN_DECLS |
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void cpu_reboot(int, char *) |
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__dead; |
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__END_DECLS |
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#endif /* _KERNEL */ |
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#endif /* !_SYS_REBOOT_H_ */ |