111 lines
4.1 KiB
Groff
111 lines
4.1 KiB
Groff
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.\" $NetBSD: boot_x68k.8,v 1.1 1996/06/15 18:54:22 oki Exp $
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.\"
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.\" Copyright (c) 1980, 1991, 1993
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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. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. 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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.\" @(#)boot_x68k.8 8.2 (Berkeley) 4/19/94
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.\"
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.Dd Jun 16, 1996
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.Dt BOOT_X68K 8 x68k
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.Os
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.Sh NAME
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.Nm boot
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.Nd
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system bootstrapping procedures
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.Sh DESCRIPTION
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.Sy Power fail and crash recovery.
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Normally, the system will reboot itself at power-up or after crashes.
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An automatic consistency check of the file systems will be performed,
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and unless this fails, the system will resume multi-user operations.
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.Pp
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.Sy Cold starts.
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The X68000/X68030 system boots from the device
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which is determined by the configuration of
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battery-backuped SRAM.
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By default, the boot rom attempt to boot from
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floppy disk drive (from 0 to 3) first,
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and then attempt to boot from hard disk (SASI or SCSI).
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On the NetBSD/X68k, booting from partition A of SCSI disks (sd?a)
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and 2HD floppy disks (fd?a, fd?c) is currently supported.
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.Pp
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First, the initial program loader of IOCS ROM or SCSI disk
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(or equivalent) reads
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.Pa boot
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program at the top of the disk,
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and then the boot program loads the NetBSD kernel
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.Pa /netbsd
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which is in the same partition of the disk.
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If you press
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.Pa [SHIFT]
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key when booting, the boot program enables you to change
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boot flag
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.Dv RB_SINGLE
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with the
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.Pa [SHIFT]
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key, and to choose which kernel
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to be used with arrow keys.
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If the LED of
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.Pa [HIRAGANA]
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key is turned on, the boot program adds
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.Dv RB_KDB
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flag and tries to boot the system in debug mode; see
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.Xr ddb 8
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for details.
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.Pp
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Note for X68030+MC68030 systems:
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Nothing special to be attended to; you can boot NetBSD just like as
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other operating systems such as Human68k and OS-9.
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.Pp
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Note for X68030/040turbo(68040 accelerator by BEEPs) systems:
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NetBSD can boot under 040 mode.
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It can also boot under 030 mode if you have MC68030 on the board.
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.Pp
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Note for X68000/Xellent30(68030 accelerator by TSR)+MC68030 systems:
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In order to boot NetBSD, you must choose 030 mode by using
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.Pa CH30.SYS ,
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which must reside in the battery-backuped SRAM.
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.Pp
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Note for X68000/Jupiter-X(68040/060 accelerator by FTZ-net) systems:
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The system must be in 040/060 processor mode.
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.Sh FILES
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.Bl -tag -width /usr/mdec/xxbootxx -compact
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.It Pa /netbsd
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system code
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.It Pa /usr/mdec/xxboot
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boot program, xx is disk type
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.El
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.Sh SEE ALSO
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.Xr reboot 2 ,
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.Xr disklabel 8 ,
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.Xr halt 8 ,
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.Xr reboot 8 ,
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.Xr shutdown 8
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