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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_ */