1# $OpenBSD: install.md,v 1.78 2023/05/26 11:41:50 kn Exp $ 2# 3# Copyright (c) 1996 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# This code is derived from software contributed to The NetBSD Foundation 7# by Jason R. Thorpe. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 1. Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# 2. Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30# 31# machine dependent section of installation/upgrade script. 32# 33 34MDXAPERTURE=2 35MDXDM=y 36NCPU=$(sysctl -n hw.ncpufound) 37 38md_installboot() { 39 if ! installboot -r /mnt ${1}; then 40 echo "\nFailed to install bootblocks." 41 echo "You will not be able to boot OpenBSD from ${1}." 42 exit 43 fi 44} 45 46md_prep_MBR() { 47 local _disk=$1 _q _d 48 49 if disk_has $_disk hfs; then 50 cat <<__EOT 51 52WARNING: Putting an MBR partition table on $_disk will DESTROY the existing HFS 53 partitions and HFS partition table: 54$(pdisk -l $_disk) 55 56__EOT 57 ask_yn "Are you *sure* you want an MBR partition table on $_disk?" || return 1 58 fi 59 60 while :; do 61 _d=whole 62 63 if disk_has $_disk mbr; then 64 fdisk $_disk 65 if disk_has $_disk mbr openbsd; then 66 _q=", use the (O)penBSD area" 67 _d=OpenBSD 68 fi 69 else 70 echo "MBR has invalid signature; not showing it." 71 fi 72 ask "Use (W)hole disk$_q or (E)dit the MBR?" "$_d" 73 case $resp in 74 [wW]*) 75 echo -n "Creating a 1MB DOS partition and an OpenBSD partition for rest of $_disk..." 76 dd if=/dev/zero of=/dev/r${_disk}c bs=1m count=1 status=none 77 fdisk -iy -b "2048@1:06" $_disk >/dev/null 78 echo "done." 79 break ;; 80 [eE]*) 81 # Manually configure the MBR. 82 cat <<__EOT 83 84You will now create one MBR partition to contain your OpenBSD data 85and one MBR partition to contain the program that Open Firmware uses 86to boot OpenBSD. Neither partition will overlap any other partition. 87 88The OpenBSD MBR partition will have an id of 'A6' and the boot MBR 89partition will have an id of '06' (DOS). The boot partition will be 90at least 1MB and be marked as the *only* active partition. 91 92$(fdisk $_disk) 93__EOT 94 fdisk -e $_disk 95 disk_has $_disk mbr dos || 96 { echo "\nNo DOS (id 06) partition!\n"; continue; } 97 disk_has $_disk mbr dos_active || 98 { echo "\nNo active DOS partition!\n"; continue; } 99 disk_has $_disk mbr openbsd || 100 { echo "\nNo OpenBSD (id A6) partition!\n"; continue; } 101 break ;; 102 [oO]*) 103 [[ $_d == OpenBSD ]] || continue 104 break ;; 105 esac 106 done 107 108 installboot -p $_disk 109} 110 111md_prep_HFS() { 112 local _disk=$1 _d _q 113 114 while :; do 115 _q= 116 _d=Modify 117 disk_has $_disk hfs openbsd && 118 { _q="Use the (O)penBSD partition, "; _d=OpenBSD; } 119 pdisk -l $_disk 120 ask "$_q(M)odify a partition or (A)bort?" "$_d" 121 case $resp in 122 [aA]*) return 1 ;; 123 [oO]*) return 0 ;; 124 [mM]*) pdisk $_disk 125 disk_has $_disk hfs openbsd && break 126 echo "\nNo 'OpenBSD'-type partition named 'OpenBSD'!" 127 esac 128 done 129 130 return 0; 131} 132 133md_prep_disklabel() { 134 local _disk=$1 _f=/tmp/i/fstab.$1 135 136 PARTTABLE= 137 while [[ -z $PARTTABLE ]]; do 138 resp=MBR 139 disk_has $_disk hfs && ask "Use (H)FS or (M)BR partition table?" MBR 140 case $resp in 141 [mM]*) md_prep_MBR $_disk && PARTTABLE=MBR ;; 142 [hH]*) md_prep_HFS $_disk && PARTTABLE=HFS ;; 143 esac 144 done 145 146 disklabel_autolayout $_disk $_f || return 147 [[ -s $_f ]] && return 148 149 # Edit disklabel manually. 150 # Abandon all hope, ye who enter here. 151 disklabel -F $_f -E $_disk 152} 153 154md_congrats() { 155 cat <<__EOT 156 157INSTALL.$ARCH describes how to configure Open Firmware to boot OpenBSD. The 158command to boot OpenBSD will be something like 'boot hd:,ofwboot /bsd'. 159__EOT 160 if [[ $PARTTABLE == HFS ]]; then 161 cat <<__EOT 162 163NOTE: You must use MacOS to copy 'ofwboot' from the OpenBSD install media to 164the first HFS partition of $ROOTDISK. 165__EOT 166 fi 167 168} 169 170md_consoleinfo() { 171 local _u _d=zstty 172 173 for _u in $(scan_dmesg "/^$_d\([0-9]\) .*/s//\1/p"); do 174 if [[ $_d$_u == $CONSOLE || -z $CONSOLE ]]; then 175 CDEV=$_d$_u 176 : ${CSPEED:=57600} 177 set -- a b c d e f g h i j 178 shift $_u 179 CTTY=tty$1 180 return 181 fi 182 done 183} 184