1# $OpenBSD: install.md,v 1.61 2015/05/04 19:55:26 rpe Exp $ 2# 3# 4# Copyright (c) 1996 The NetBSD Foundation, Inc. 5# All rights reserved. 6# 7# This code is derived from software contributed to The NetBSD Foundation 8# by Jason R. Thorpe. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 19# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 23# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29# POSSIBILITY OF SUCH DAMAGE. 30# 31# 32# machine dependent section of installation/upgrade script. 33# 34 35MDXAPERTURE=2 36MDXDM=y 37NCPU=$(sysctl -n hw.ncpufound) 38 39((NCPU > 1)) && { DEFAULTSETS="bsd bsd.rd bsd.mp"; SANESETS="bsd bsd.mp"; } 40 41md_installboot() { 42 if ! installboot -r /mnt ${1}; then 43 echo "\nFailed to install bootblocks." 44 echo "You will not be able to boot OpenBSD from ${1}." 45 exit 46 fi 47} 48 49md_prep_fdisk() { 50 local _disk=$1 _q _d 51 52 while :; do 53 _d=whole 54 if [[ -n $(fdisk $_disk | grep 'Signature: 0xAA55') ]]; then 55 fdisk $_disk 56 if [[ -n $(fdisk $_disk | grep '^..: A6 ') ]]; then 57 _q=", use the (O)penBSD area," 58 _d=OpenBSD 59 fi 60 else 61 echo "MBR has invalid signature; not showing it." 62 fi 63 ask "Use (W)hole disk$_q or (E)dit the MBR?" "$_d" 64 case $resp in 65 w*|W*) 66 echo -n "Setting OpenBSD MBR partition to whole $_disk..." 67 fdisk -e ${_disk} <<__EOT >/dev/null 68reinit 69update 70write 71quit 72__EOT 73 echo "done." 74 return ;; 75 e*|E*) 76 # Manually configure the MBR. 77 cat <<__EOT 78 79You will now create a single MBR partition to contain your OpenBSD data. This 80partition must have an id of 'A6'; must *NOT* overlap other partitions; and 81must be marked as the only active partition. Inside the fdisk command, the 82'manual' command describes all the fdisk commands in detail. 83 84$(fdisk ${_disk}) 85__EOT 86 fdisk -e ${_disk} 87 [[ -n $(fdisk $_disk | grep ' A6 ') ]] && return 88 echo No OpenBSD partition in MBR, try again. ;; 89 o*|O*) return ;; 90 esac 91 done 92} 93 94md_prep_disklabel() { 95 local _disk=$1 _f _op 96 97 md_prep_fdisk $_disk 98 99 _f=/tmp/fstab.$_disk 100 if [[ $_disk == $ROOTDISK ]]; then 101 if $AUTO && get_disklabel_template; then 102 disklabel -T /disklabel.auto $FSTABFLAG $_f -w -A $_disk && return 103 echo "Autopartitioning failed" 104 exit 1 105 fi 106 while :; do 107 echo "The auto-allocated layout for $_disk is:" 108 disklabel -h -A $_disk | egrep "^# |^ [a-p]:" 109 ask "Use (A)uto layout, (E)dit auto layout, or create (C)ustom layout?" a 110 case $resp in 111 a*|A*) _op=-w ;; 112 e*|E*) _op=-E ;; 113 c*|C*) break ;; 114 *) continue ;; 115 esac 116 disklabel $FSTABFLAG $_f $_op -A $_disk 117 return 118 done 119 fi 120 121 cat <<__EOT 122 123You will now create an OpenBSD disklabel inside the OpenBSD MBR 124partition. The disklabel defines how OpenBSD splits up the MBR partition 125into OpenBSD partitions in which filesystems and swap space are created. 126You must provide each filesystem's mountpoint in this program. 127 128The offsets used in the disklabel are ABSOLUTE, i.e. relative to the 129start of the disk, NOT the start of the OpenBSD MBR partition. 130 131__EOT 132 133 disklabel $FSTABFLAG $_f -E $_disk 134} 135 136md_congrats() { 137} 138 139md_consoleinfo() { 140 local _u _d=com 141 142 for _u in $(scan_dmesg "/^$_d\([0-9]\) .*/s//\1/p"); do 143 if [[ $_d$_u == $CONSOLE || -z $CONSOLE ]]; then 144 CDEV=$_d$_u 145 CPROM=com$_u 146 CTTY=tty0$_u 147 return 148 fi 149 done 150} 151