x86.conf revision 1.10 1 # $NetBSD: x86.conf,v 1.10 2021/07/06 11:49:36 jmcneill Exp $
2 # x86 shared config
3 #
4
5 image=$HOME/${board}.img
6 MACHINE=${board}
7 kernel=$src/sys/arch/${board}/compile/GENERIC/netbsd
8 bootfile=$release/usr/mdec/boot
9
10 extra=8 # spare space
11 size=0 # autocompute
12 netbsdid=169
13 init=63
14 ffsoffset=${init}b
15
16 make_label() {
17 # compute all sizes in terms of sectors
18 local totalsize=$(( ${size} / 512 ))
19
20 local aoffset=${init}
21 local asize=$(( ${totalsize} - ${aoffset} ))
22
23 local bps=512
24 local spt=32
25 local tpc=64
26 local spc=2048
27 local cylinders=$(( ${totalsize} / ${spc} ))
28
29 cat << EOF
30 type: SCSI
31 disk: STORAGE DEVICE
32 label: fictitious
33 flags: removable
34 bytes/sector: ${bps}
35 sectors/track: ${spt}
36 tracks/cylinder: ${tpc}
37 sectors/cylinder: ${spc}
38 cylinders: ${cylinders}
39 total sectors: ${totalsize}
40 rpm: 3600
41 interleave: 1
42 trackskew: 0
43 cylinderskew: 0
44 headswitch: 0 # microseconds
45 track-to-track seek: 0 # microseconds
46 drivedata: 0
47
48 8 partitions:
49 # size offset fstype [fsize bsize cpg/sgs]
50 a: ${asize} ${aoffset} 4.2BSD ${fsize} ${bsize} 0 #
51 c: ${totalsize} 0 unused 0 0 #
52 d: ${totalsize} 0 unused 0 0 #
53 EOF
54 }
55
56 make_fstab_normal() {
57 cat > ${mnt}/etc/fstab << EOF
58 # NetBSD /etc/fstab
59 # See /usr/share/examples/fstab/ for more examples.
60 /dev/${rootdev}0a / ffs rw,log 1 1
61 ptyfs /dev/pts ptyfs rw
62 procfs /proc procfs rw
63 EOF
64 }
65
66 # From Richard Neswold's:
67 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
68 # Also for the postfix stuff below
69 make_fstab_minwrites() {
70 cat > ${mnt}/etc/fstab << EOF
71 # NetBSD /etc/fstab
72 # See /usr/share/examples/fstab/ for more examples.
73 /dev/${rootdev}0a / ffs rw,log,noatime,nodevmtime 1 1
74 ptyfs /dev/pts ptyfs rw
75 procfs /proc procfs rw
76 tmpfs /tmp tmpfs rw,-s32M
77 tmpfs /var/log tmpfs rw,union,-s32M
78 tmpfs /var/run tmpfs rw,union,-s1M
79 tmpfs /var/mail tmpfs rw,union,-s10M
80 tmpfs /var/spool/postfix tmpfs rw,union,-s20M
81 tmpfs /var/db/postfix tmpfs rw,union,-s1M
82 tmpfs /var/chroot tmpfs rw,union,-s10M
83 EOF
84 }
85
86 make_fstab() {
87 if $minwrites; then
88 make_fstab_minwrites
89 else
90 make_fstab_normal
91 fi
92 echo "./etc/fstab type=file uname=root gname=wheel mode=0755" \
93 >> "$tmp/selected_sets"
94
95 echo "./proc type=dir uname=root gname=wheel mode=0755" \
96 >> "$tmp/selected_sets"
97 }
98
99 customize() {
100 cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
101 if $minwrites; then
102 mkdir ${mnt}/etc/postfix
103 (umask 022
104 sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
105 ${mnt}/etc/postfix/master.cf)
106 fi
107 cat >> ${mnt}/etc/rc.conf << EOF
108 rc_configured=YES
109 hostname=${board}
110 sshd=YES
111 dhcpcd=YES
112 wscons=YES
113 devpubd=YES
114 EOF
115 echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \
116 >> "$tmp/selected_sets"
117
118 if [ ! -f ${release}/dev/MAKEDEV ]; then
119 echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
120 exit 1
121 fi
122 echo "${bar} running MAKEDEV ${bar}"
123 ${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
124 >> "$tmp/selected_sets"
125 }
126
127 populate() {
128 if [ ! -f ${kernel} ]; then
129 echo ${PROG}: Missing ${kernel} 1>&2
130 exit 1
131 fi
132
133 echo "${bar} installing kernel ${bar}"
134 cp ${kernel} ${mnt}/netbsd
135 if [ ! -f ${bootfile} ]; then
136 echo ${PROG}: Missing ${bootfile} 1>&2
137 exit 1
138 fi
139 cp ${bootfile} ${mnt}/boot ||
140 fail "copy of ${bootfile} to ${mnt}/boot failed"
141
142 echo "./netbsd type=file uname=root gname=wheel mode=0755" \
143 >> "$tmp/selected_sets"
144 echo "./boot type=file uname=root gname=wheel mode=0444" \
145 >> "$tmp/selected_sets"
146 }
147