# $NetBSD: evbmips.conf,v 1.3.2.1 2023/10/02 13:26:04 martin Exp $ # evbmips shared config # image=$HOME/${board}.img MACHINE=evbmips extra=48 # spare space init=32 boot=$((192 - ${init})) ffsoffset=$(( (${init} + ${boot}) / 2 ))m size=0 # autocompute msdosid=12 if $gpt; then partition_type="gpt" else partition_type="disklabel" fi mkdir -p ${mnt}/boot make_label_evbmips() { # compute all sizes in terms of sectors local totalsize=$(( ${size} / 512 )) local bootsize=$(( ${boot} * 1024 )) local bootoffset=$(( ${init} * 1024 )) local asize=$(( ${totalsize} - ${bootsize} - ${bootoffset} )) local aoffset=$(( ${bootoffset} + ${bootsize} )) local bps=512 local spt=32 local tpc=64 local spc=2048 local cylinders=$(( ${totalsize} / ${spc} )) cat << EOF type: SCSI disk: STORAGE DEVICE label: fictitious flags: removable bytes/sector: ${bps} sectors/track: ${spt} tracks/cylinder: ${tpc} sectors/cylinder: ${spc} cylinders: ${cylinders} total sectors: ${totalsize} rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # microseconds track-to-track seek: 0 # microseconds drivedata: 0 8 partitions: # size offset fstype [fsize bsize cpg/sgs] a: ${asize} ${aoffset} 4.2BSD ${fsize} ${bsize} 0 # c: ${totalsize} 0 unused 0 0 # e: ${bootsize} ${bootoffset} MSDOS # EOF } make_fstab_evbmips_gpt() { cat > ${mnt}/etc/fstab << EOF # NetBSD /etc/fstab # See /usr/share/examples/fstab/ for more examples. NAME=${gpt_label_ffs:-netbsd-root} / ffs rw,noatime 1 1 NAME=${gpt_label_boot:-boot} /boot msdos rw 1 1 ptyfs /dev/pts ptyfs rw procfs /proc procfs rw tmpfs /var/shm tmpfs rw,-m1777,-sram%25 EOF } make_fstab_evbmips_normal() { cat > ${mnt}/etc/fstab << EOF # NetBSD /etc/fstab # See /usr/share/examples/fstab/ for more examples. ROOT.a / ffs rw,noatime 1 1 ROOT.e /boot msdos rw 1 1 ptyfs /dev/pts ptyfs rw procfs /proc procfs rw tmpfs /var/shm tmpfs rw,-m1777,-sram%25 EOF } # From Richard Neswold's: # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html # Also for the postfix stuff below make_fstab_evbmips_minwrites() { cat > ${mnt}/etc/fstab << EOF # NetBSD /etc/fstab # See /usr/share/examples/fstab/ for more examples. ROOT.a / ffs rw,log,noatime,nodevmtime 1 1 ROOT.e /boot msdos rw 1 1 ptyfs /dev/pts ptyfs rw procfs /proc procfs rw tmpfs /tmp tmpfs rw,-s32M tmpfs /var/log tmpfs rw,union,-s32M tmpfs /var/run tmpfs rw,union,-s1M tmpfs /var/mail tmpfs rw,union,-s10M tmpfs /var/spool/postfix tmpfs rw,union,-s20M tmpfs /var/db/postfix tmpfs rw,union,-s1M tmpfs /var/chroot tmpfs rw,union,-s10M tmpfs /var/shm tmpfs rw,-m1777,-sram%25 EOF } make_fstab_evbmips() { if $gpt; then make_fstab_evbmips_gpt elif $minwrites; then make_fstab_evbmips_minwrites else make_fstab_evbmips_normal fi echo "./etc/fstab type=file uname=root gname=wheel mode=0644" \ >> "$tmp/selected_sets" # Missing mount points from fstab echo "./proc type=dir uname=root gname=wheel mode=0755" \ >> "$tmp/selected_sets" } customize_evbmips() { if $minwrites; then mkdir ${mnt}/etc/postfix (umask 022 sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \ ${mnt}/etc/postfix/master.cf) fi cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf cat >> ${mnt}/etc/rc.conf << EOF dev_exists() { if /sbin/drvctl -l \$1 >/dev/null 2>&1 ; then printf YES else printf NO fi } rc_configured=YES hostname=${hostname:-${board}} no_swap=YES savecore=NO sshd=YES dhcpcd=YES ntpd=YES ntpd_flags="-g" creds_msdos=YES creds_msdos_partition=/boot certctl_init=YES EOF if $resize; then cat >> ${mnt}/etc/rc.conf << EOF resize_${partition_type}=YES resize_root=YES resize_root_flags="-p" resize_root_postcmd="/sbin/reboot -n" EOF fi echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \ >> "$tmp/selected_sets" mkdir ${mnt}/etc/rc.d for _f in resize_${partition_type} creds_msdos; do cp ${DIR}/files/${_f} ${mnt}/etc/rc.d/${_f} echo "./etc/rc.d/${_f} type=file uname=root gname=wheel mode=0555" \ >> "$tmp/selected_sets" done if [ ! -f ${release}/dev/MAKEDEV ]; then echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2 exit 1 fi echo "${bar} running MAKEDEV ${bar}" ${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \ >> "$tmp/selected_sets" echo "${bar} fixing up permissions" echo "./boot type=dir uname=root gname=wheel mode=0755" \ >> "$tmp/selected_sets" }