evbarm.conf revision 1.40
1 # $NetBSD: evbarm.conf,v 1.40 2022/10/15 18:32:30 jmcneill Exp $ 2 # evbarm shared config 3 # 4 image=$HOME/${board}.img 5 6 MACHINE=evbarm 7 8 extra=48 # spare space 9 init=32 10 boot=$((192 - ${init})) 11 ffsoffset=$(( (${init} + ${boot}) / 2 ))m 12 13 size=0 # autocompute 14 msdosid=12 15 16 if $gpt; then 17 partition_type="gpt" 18 else 19 partition_type="disklabel" 20 fi 21 22 mkdir -p ${mnt}/boot 23 24 make_label_evbarm() { 25 # compute all sizes in terms of sectors 26 local totalsize=$(( ${size} / 512 )) 27 28 local bootsize=$(( ${boot} * 1024 )) 29 30 local bootoffset=$(( ${init} * 1024 )) 31 32 local asize=$(( ${totalsize} - ${bootsize} - ${bootoffset} )) 33 local aoffset=$(( ${bootoffset} + ${bootsize} )) 34 35 local bps=512 36 local spt=32 37 local tpc=64 38 local spc=2048 39 local cylinders=$(( ${totalsize} / ${spc} )) 40 41 cat << EOF 42 type: SCSI 43 disk: STORAGE DEVICE 44 label: fictitious 45 flags: removable 46 bytes/sector: ${bps} 47 sectors/track: ${spt} 48 tracks/cylinder: ${tpc} 49 sectors/cylinder: ${spc} 50 cylinders: ${cylinders} 51 total sectors: ${totalsize} 52 rpm: 3600 53 interleave: 1 54 trackskew: 0 55 cylinderskew: 0 56 headswitch: 0 # microseconds 57 track-to-track seek: 0 # microseconds 58 drivedata: 0 59 60 8 partitions: 61 # size offset fstype [fsize bsize cpg/sgs] 62 a: ${asize} ${aoffset} 4.2BSD ${fsize} ${bsize} 0 # 63 c: ${totalsize} 0 unused 0 0 # 64 e: ${bootsize} ${bootoffset} MSDOS # 65 EOF 66 } 67 68 make_fstab_evbarm_gpt() { 69 cat > ${mnt}/etc/fstab << EOF 70 # NetBSD /etc/fstab 71 # See /usr/share/examples/fstab/ for more examples. 72 NAME=${gpt_label_ffs:-netbsd-root} / ffs rw,noatime 1 1 73 NAME=${gpt_label_boot:-EFI} /boot msdos rw 1 1 74 ptyfs /dev/pts ptyfs rw 75 procfs /proc procfs rw 76 tmpfs /var/shm tmpfs rw,-m1777,-sram%25 77 EOF 78 } 79 80 make_fstab_evbarm_normal() { 81 cat > ${mnt}/etc/fstab << EOF 82 # NetBSD /etc/fstab 83 # See /usr/share/examples/fstab/ for more examples. 84 ROOT.a / ffs rw,noatime 1 1 85 ROOT.e /boot msdos rw 1 1 86 ptyfs /dev/pts ptyfs rw 87 procfs /proc procfs rw 88 tmpfs /var/shm tmpfs rw,-m1777,-sram%25 89 EOF 90 } 91 92 # From Richard Neswold's: 93 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html 94 # Also for the postfix stuff below 95 make_fstab_evbarm_minwrites() { 96 cat > ${mnt}/etc/fstab << EOF 97 # NetBSD /etc/fstab 98 # See /usr/share/examples/fstab/ for more examples. 99 ROOT.a / ffs rw,log,noatime,nodevmtime 1 1 100 ROOT.e /boot msdos rw 1 1 101 ptyfs /dev/pts ptyfs rw 102 procfs /proc procfs rw 103 tmpfs /tmp tmpfs rw,-s32M 104 tmpfs /var/log tmpfs rw,union,-s32M 105 tmpfs /var/run tmpfs rw,union,-s1M 106 tmpfs /var/mail tmpfs rw,union,-s10M 107 tmpfs /var/spool/postfix tmpfs rw,union,-s20M 108 tmpfs /var/db/postfix tmpfs rw,union,-s1M 109 tmpfs /var/chroot tmpfs rw,union,-s10M 110 tmpfs /var/shm tmpfs rw,-m1777,-sram%25 111 EOF 112 } 113 114 make_fstab_evbarm() { 115 if $gpt; then 116 make_fstab_evbarm_gpt 117 elif $minwrites; then 118 make_fstab_evbarm_minwrites 119 else 120 make_fstab_evbarm_normal 121 fi 122 echo "./etc/fstab type=file uname=root gname=wheel mode=0644" \ 123 >> "$tmp/selected_sets" 124 125 # Missing mount points from fstab 126 echo "./proc type=dir uname=root gname=wheel mode=0755" \ 127 >> "$tmp/selected_sets" 128 } 129 130 customize_evbarm() { 131 if $minwrites; then 132 mkdir ${mnt}/etc/postfix 133 (umask 022 134 sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \ 135 ${mnt}/etc/postfix/master.cf) 136 fi 137 138 cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf 139 cat >> ${mnt}/etc/rc.conf << EOF 140 dev_exists() { 141 if /sbin/drvctl -l \$1 >/dev/null 2>&1 ; then 142 printf YES 143 else 144 printf NO 145 fi 146 } 147 148 is_cloud() { 149 ret=NO 150 151 # AWS EC2 152 if [ "\$(dev_exists ena0)" = "YES" ]; then 153 ret=YES 154 fi 155 156 # Oracle OCI 157 case "\$(/sbin/sysctl -n machdep.dmi.chassis-asset-tag)" in 158 OracleCloud*) 159 ret=YES 160 ;; 161 esac 162 163 printf \$ret 164 } 165 166 rc_configured=YES 167 hostname=${hostname:-${board}} 168 no_swap=YES 169 savecore=NO 170 sshd=YES 171 dhcpcd=YES 172 ntpd=YES 173 ntpd_flags="-g" 174 creds_msdos=YES 175 creds_msdos_partition=/boot 176 EOF 177 178 if $resize; then 179 cat >> ${mnt}/etc/rc.conf << EOF 180 resize_${partition_type}=YES 181 resize_root=YES 182 resize_root_flags="-p" 183 resize_root_postcmd="/sbin/reboot -n" 184 EOF 185 fi 186 187 echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \ 188 >> "$tmp/selected_sets" 189 190 mkdir ${mnt}/etc/rc.d 191 for _f in resize_${partition_type} creds_msdos; do 192 cp ${DIR}/files/${_f} ${mnt}/etc/rc.d/${_f} 193 echo "./etc/rc.d/${_f} type=file uname=root gname=wheel mode=0555" \ 194 >> "$tmp/selected_sets" 195 done 196 197 if [ ! -f ${release}/dev/MAKEDEV ]; then 198 echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2 199 exit 1 200 fi 201 echo "${bar} running MAKEDEV ${bar}" 202 ${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \ 203 >> "$tmp/selected_sets" 204 205 echo "${bar} fixing up permissions" 206 echo "./boot type=dir uname=root gname=wheel mode=0755" \ 207 >> "$tmp/selected_sets" 208 } 209
Indexes created Thu Oct 30 16:09:53 GMT 2025