Added PC-98 boot manager installation and configuration utility.
This commit is contained in:
parent
b160feebb5
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=64126
@ -170,4 +170,7 @@ SUBDIR+=apm \
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wlconfig
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wlconfig
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.endif
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.endif
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.if ${MACHINE} == "pc98"
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SUBDIR+=boot98cfg
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.endif
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.include <bsd.subdir.mk>
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.include <bsd.subdir.mk>
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6
usr.sbin/boot98cfg/Makefile
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6
usr.sbin/boot98cfg/Makefile
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@ -0,0 +1,6 @@
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# $FreeBSD$
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PROG= boot98cfg
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MAN8= boot98cfg.8
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.include <bsd.prog.mk>
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98
usr.sbin/boot98cfg/boot98cfg.8
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98
usr.sbin/boot98cfg/boot98cfg.8
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@ -0,0 +1,98 @@
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.\" Copyright (c) KATO Takenori, 2000.
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.\"
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.\" All rights reserved. Unpublished rights reserved under the copyright
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.\" laws of Japan.
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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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.\"
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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 as
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.\" the first lines of this file unmodified.
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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. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 10, 2000
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.Dt BOOT98CFG 8
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.Os
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.Sh NAME
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.Nm boot98cfg
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.Nd HDD boot manager installation utility
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.Sh SYNOPSIS
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.Op Fl B
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.Op Fl i Ar boot0
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.Op Fl m Ar boot0.5
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.Op Fl s Ar secsize
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.Op Fl v Ar version
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.Op Fl f Ar boot0.bak
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.Op Fl F Ar boot0.5.bak
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.Ar disk
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.Sh DESCRIPTION
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On NEC PC-98s,
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.Sq boot loader
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consists of the
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.Sq IPL
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and
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.Sq HDD boot menu.
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The IPL occupies sector 0 of a disk and is followed by the partition
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table. The IPL loads the HDD boot menu that starts from 0x400.
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The
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.Nm
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installs and makes backup copy of the IPL and the HDD boot menu; and
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allows changing the version number field in the sector 0.
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Note that the format command in NEC's OSs replaces the HDD boot menu
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with its own HDD boot menu when the version number field is smaller
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than that in the format command.
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The options are:
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.Bl -tag -width indent
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.It Fl B
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Install the IPL and HDD boot menu. This option causes the IPL and HDD
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boot menu code to be replaced.
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.It Fl i Ar boot0
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Specify which IPL image to use. The default is /boot/boot0.
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.It Fl m Ar boot0.5
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Specify which HDD boot menu image to use. The default is
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/boot/boot0.5.
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.It Fl f Ar boot0.bak
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Specify that a backup copy of the preexisting IPL should be written to
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.Ar boot0.bak .
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This file is created if it does not exist, and truncated if it does.
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.It Fl F Ar boot0.5.bak
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Specify that a backup copy of the preexisting HDD boot menu should be
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written to
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.Ar boot0.5.bak .
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This file is created if it does not exist, and truncated if it does.
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.It Fl v Ar version
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Specify the version number.
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.It Fl s Ar secsize
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Specify the sector size. The default secotor size is 512
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(bytes/sector).
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.El
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.Sh SEE ALSO
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.Xr boot 8 ,
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.Xr fdisk 8 .
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.Sh DIAGNOSTICS
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Exit status is 0 on success and >0 on error.
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.Sh AUTHORS
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.An NOKUBI Hirotaka ,
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.An KATO Takenori
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255
usr.sbin/boot98cfg/boot98cfg.c
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255
usr.sbin/boot98cfg/boot98cfg.c
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@ -0,0 +1,255 @@
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/*
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* Copyright (c) KATO Takenori, 2000.
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*
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* All rights reserved. Unpublished rights reserved under the copyright
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* laws of Japan.
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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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*
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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 as
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* the first lines of this file unmodified.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Copyright (c) 1999 Robert Nordier
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define IPLSIZE 512 /* IPL size */
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#define BOOTMENUSIZE 7168 /* Max HDD boot menu size */
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#define BOOTMENUOFF 0x400
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static char *mkrdev(char *);
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static void usage(void);
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u_char boot0buf[0x2000];
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char ipl[IPLSIZE];
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char menu[BOOTMENUSIZE];
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/*
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* Produce a device path for a "canonical" name, where appropriate.
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*/
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static char *
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mkrdev(char *fname)
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{
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char buf[MAXPATHLEN];
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struct stat sb;
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char *s;
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s = (char *)fname;
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if (!strchr(fname, '/')) {
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snprintf(buf, sizeof(buf), "%sr%s", _PATH_DEV, fname);
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if (stat(buf, &sb))
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snprintf(buf, sizeof(buf), "%s%s", _PATH_DEV, fname);
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if (!(s = strdup(buf)))
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err(1, NULL);
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}
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return s;
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}
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static void
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usage(void)
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{
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fprintf(stderr,
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"boot98cfg [-B][-i boot0][-m boot0.5][-s secsize][-v version]\n"
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" [-f ipl.bak][-F menu.bak] disk\n");
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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char *endptr;
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char *iplpath = "/boot/boot0", *menupath = "/boot/boot0.5";
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char *iplbakpath = NULL, *menubakpath = NULL;
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char *disk;
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int B_flag = 0;
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int c;
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int fd, fd1;
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int n;
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int secsize = 512;
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int v_flag = 0, version;
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while ((c = getopt(argc, argv, "BF:f:i:m:s:v:")) != -1) {
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switch (c) {
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case 'B':
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B_flag = 1;
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break;
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case 'F':
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menubakpath = optarg;
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break;
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case 'f':
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iplbakpath = optarg;
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break;
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case 'i':
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iplpath = optarg;
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break;
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case 'm':
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menupath = optarg;
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break;
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case 's':
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secsize = strtol(optarg, &endptr, 0);
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if (errno || *optarg == NULL || *endptr)
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errx(1, "%s: Bad argument to -s option",
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optarg);
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switch (secsize) {
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case 256:
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case 512:
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case 1024:
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case 2048:
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break;
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default:
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errx(1, "%s: unsupported sector size", optarg);
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break;
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}
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break;
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case 'v':
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v_flag = 1;
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version = strtol(optarg, &endptr, 0);
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if (errno || *optarg == NULL || *endptr ||
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version < 0 || version > 255)
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errx(1, "%s: Bad argument to -s option",
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optarg);
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break;
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default:
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usage();
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/* NOTREACHED */
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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disk = mkrdev(*argv);
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/* Read IPL, partition table and HDD boot menu. */
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fd = open(disk, O_RDWR);
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if (fd < 0)
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err(1, "%s", disk);
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n = read(fd, boot0buf, 0x2000);
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if (n != 0x2000)
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errx(1, "%s: short read", disk);
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if (!B_flag && !v_flag)
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close(fd);
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if (iplbakpath != NULL) {
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fd1 = open(iplbakpath, O_WRONLY | O_CREAT | O_TRUNC, 0666);
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if (fd1 < 0)
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err(1, "%s", iplbakpath);
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n = write(fd1, boot0buf, IPLSIZE);
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if (n == -1)
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err(1, "%s", iplbakpath);
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if (n != IPLSIZE)
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errx(1, "%s: short write", iplbakpath);
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close(fd1);
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}
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if (menubakpath != NULL) {
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fd1 = open(menubakpath, O_WRONLY | O_CREAT | O_TRUNC, 0666);
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if (fd1 < 0)
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err(1, "%s", menubakpath);
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n = write(fd1, boot0buf + BOOTMENUOFF, BOOTMENUSIZE);
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if (n == -1)
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err(1, "%s", menubakpath);
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if (n != BOOTMENUSIZE)
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errx(1, "%s: short write", menubakpath);
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close(fd1);
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}
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if (B_flag) {
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/* Read IPL (boot0). */
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fd1 = open(iplpath, O_RDONLY);
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if (fd1 < 0)
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err(1, "%s", disk);
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n = read(fd1, ipl, IPLSIZE);
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if (n < 0)
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err(1, "%s", iplpath);
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if (n != IPLSIZE)
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errx(1, "%s: invalid file", iplpath);
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close(fd1);
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/* Read HDD boot menu (boot0.5). */
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fd1 = open(menupath, O_RDONLY);
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if (fd1 < 0)
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err(1, "%s", disk);
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n = read(fd1, menu, BOOTMENUSIZE);
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if (n < 0)
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err(1, "%s", menupath);
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if (n != BOOTMENUSIZE)
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errx(1, "%s: invalid file", menupath);
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close(fd1);
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memcpy(boot0buf, ipl, IPLSIZE);
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memcpy(boot0buf + BOOTMENUOFF, menu, BOOTMENUSIZE);
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}
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/* Set version number field. */
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if (v_flag)
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*(boot0buf + secsize - 4) = (u_char)version;
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if (B_flag || v_flag) {
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if (lseek(fd, 0, SEEK_SET) == -1 ||
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(n = write(fd, boot0buf, 0x2000)) < 0 ||
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close(fd))
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err(1, "%s", disk);
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if (n != 0x2000)
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errx(1, "%s: short write", disk);
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}
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return 0;
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}
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