install.md revision 1.5 
1#	$OpenBSD: install.md,v 1.5 2022/02/04 18:12:47 krw 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
35NCPU=$(sysctl -n hw.ncpufound)
36
37md_installboot() {
38	if ! installboot -r /mnt ${1}; then
39		echo "\nFailed to install bootblocks."
40		echo "You will not be able to boot OpenBSD from ${1}."
41		exit
42	fi
43}
44
45md_prep_fdisk() {
46	local _disk=$1 _d
47
48	local bootparttype="C"
49	local bootsectorstart="32768"
50	local bootsectorsize="32768"
51	local bootfstype="msdos"
52
53	while :; do
54		_d=whole
55		if disk_has $_disk mbr; then
56			fdisk $_disk
57		else
58			echo "MBR has invalid signature; not showing it."
59		fi
60		ask "Use (W)hole disk or (E)dit the MBR?" "$_d"
61		case $resp in
62		[wW]*)
63			echo -n "Creating a ${bootfstype} partition and an OpenBSD partition for rest of $_disk..."
64			fdisk -iy -b "${bootsectorsize}@${bootsectorstart}:${bootparttype}" ${_disk} >/dev/null
65			echo "done."
66			installboot -p $_disk
67			return ;;
68		[eE]*)
69			# Manually configure the MBR.
70			cat <<__EOT
71
72You will now create one MBR partition to contain your OpenBSD data
73and one MBR partition on which the OpenBSD boot program is located.
74Neither partition will overlap any other partition.
75
76The OpenBSD MBR partition will have an id of 'A6' and the boot MBR
77partition will have an id of '${bootparttype}' (${bootfstype}).
78The boot partition will be at least 16MB and be the first 'MSDOS'
79partition on the disk.
80
81$(fdisk ${_disk})
82__EOT
83			fdisk -e ${_disk}
84			disk_has $_disk mbr openbsd && return
85			echo No OpenBSD partition in MBR, try again. ;;
86		esac
87	done
88}
89
90md_prep_disklabel() {
91	local _disk=$1 _f=/tmp/i/fstab.$1
92
93	md_prep_fdisk $_disk
94
95	disklabel_autolayout $_disk $_f || return
96	[[ -s $_f ]] && return
97
98	# Edit disklabel manually.
99	# Abandon all hope, ye who enter here.
100	disklabel -F $_f -E $_disk
101}
102
103md_congrats() {
104}
105
106md_consoleinfo() {
107	CTTY=console
108	DEFCONS=y
109	case $CSPEED in
110	9600|19200|38400|57600|115200|1500000)
111		;;
112	*)
113		CSPEED=115200;;
114	esac
115}
116