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evbarm.conf revision 1.28.2.2 
      1 # $NetBSD: evbarm.conf,v 1.28.2.2 2020/04/08 14:03:55 martin 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 mkdir -p ${mnt}/boot
     17 
     18 make_label_evbarm() {
     19 	# compute all sizes in terms of sectors
     20 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     21 
     22 	local bootsize=$(( ${boot} * 1024 ))
     23 
     24 	local bootoffset=$(( ${init} * 1024 ))
     25 
     26 	local asize=$(( ${totalsize} - ${bootsize} - ${bootoffset} ))
     27 	local aoffset=$(( ${bootoffset} + ${bootsize} ))
     28 
     29 	local bps=512
     30 	local spt=32
     31 	local tpc=64
     32 	local spc=2048
     33 	local cylinders=$(( ${totalsize} / ${spc} ))
     34 
     35 	cat << EOF
     36 type: SCSI
     37 disk: STORAGE DEVICE
     38 label: fictitious
     39 flags: removable
     40 bytes/sector: ${bps}
     41 sectors/track: ${spt}
     42 tracks/cylinder: ${tpc}
     43 sectors/cylinder: ${spc}
     44 cylinders: ${cylinders}
     45 total sectors: ${totalsize}
     46 rpm: 3600
     47 interleave: 1
     48 trackskew: 0
     49 cylinderskew: 0
     50 headswitch: 0           # microseconds
     51 track-to-track seek: 0  # microseconds
     52 drivedata: 0 
     53 
     54 8 partitions:
     55 #     size         offset        fstype [fsize bsize cpg/sgs]
     56  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     57  c:   ${totalsize} 0             unused      0     0          #
     58  e:   ${bootsize}  ${bootoffset} MSDOS                        #
     59 EOF
     60 }
     61 
     62 make_fstab_evbarm_normal() {
     63 	cat > ${mnt}/etc/fstab << EOF
     64 # NetBSD /etc/fstab
     65 # See /usr/share/examples/fstab/ for more examples.
     66 ROOT.a		/		ffs	rw,noatime	1 1
     67 ROOT.e		/boot		msdos	rw	1 1
     68 kernfs		/kern		kernfs	rw
     69 ptyfs		/dev/pts	ptyfs	rw
     70 procfs		/proc		procfs	rw
     71 tmpfs		/var/shm	tmpfs	rw,-m1777,-sram%25
     72 EOF
     73 }
     74 
     75 # From Richard Neswold's:
     76 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     77 # Also for the postfix stuff below
     78 make_fstab_evbarm_minwrites() {
     79 	cat > ${mnt}/etc/fstab << EOF
     80 # NetBSD /etc/fstab
     81 # See /usr/share/examples/fstab/ for more examples.
     82 ROOT.a		/			ffs	rw,log,noatime,nodevmtime 1 1
     83 ROOT.e		/boot			msdos	rw			  1 1
     84 kernfs		/kern			kernfs	rw
     85 ptyfs		/dev/pts		ptyfs	rw
     86 procfs		/proc			procfs	rw
     87 tmpfs		/tmp			tmpfs	rw,-s32M
     88 tmpfs		/var/log		tmpfs	rw,union,-s32M
     89 tmpfs		/var/run		tmpfs	rw,union,-s1M
     90 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     91 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     92 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     93 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
     94 tmpfs		/var/shm		tmpfs	rw,-m1777,-sram%25
     95 EOF
     96 }
     97 
     98 make_fstab_evbarm() {
     99 	if $minwrites; then
    100 		make_fstab_evbarm_minwrites
    101 	else
    102 		make_fstab_evbarm_normal
    103 	fi
    104 	echo "./etc/fstab type=file uname=root gname=wheel mode=0644" \
    105 	    >> "$tmp/selected_sets"
    106 
    107 	# Missing mount points from fstab
    108 	echo "./proc type=dir uname=root gname=wheel mode=0755" \
    109 	    >> "$tmp/selected_sets"
    110 	echo "./kern type=dir uname=root gname=wheel mode=0755" \
    111 	    >> "$tmp/selected_sets"
    112 }
    113 
    114 customize_evbarm() {
    115 	if $minwrites; then
    116 		mkdir ${mnt}/etc/postfix
    117 		(umask 022
    118 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    119 		    ${mnt}/etc/postfix/master.cf)
    120 	fi
    121 	
    122 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
    123 	cat >> ${mnt}/etc/rc.conf << EOF
    124 dev_exists() {
    125 	if /sbin/drvctl -l \$1 >/dev/null 2>&1 ; then
    126 		printf YES
    127 	else
    128 		printf NO
    129 	fi
    130 }
    131 
    132 rc_configured=YES
    133 hostname=${board}
    134 no_swap=YES
    135 savecore=NO
    136 sshd=YES
    137 dhcpcd=YES
    138 ntpd=YES
    139 ntpd_flags="-g"
    140 EOF
    141 
    142 	if $resize; then
    143 		cat >> ${mnt}/etc/rc.conf << EOF
    144 resize_disklabel=YES
    145 resize_root=YES
    146 resize_root_flags="-p"
    147 resize_root_postcmd="/sbin/reboot -n"
    148 EOF
    149 	fi
    150 
    151 	echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \
    152 	    >> "$tmp/selected_sets"
    153 
    154 	mkdir ${mnt}/etc/rc.d
    155 	cp ${DIR}/files/resize_disklabel ${mnt}/etc/rc.d/resize_disklabel
    156 	echo "./etc/rc.d/resize_disklabel type=file uname=root gname=wheel mode=0555" \
    157 	    >> "$tmp/selected_sets"
    158 
    159 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    160 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    161 		exit 1
    162 	fi
    163 	echo "${bar} running MAKEDEV ${bar}"
    164 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    165 	    >> "$tmp/selected_sets"
    166 
    167 	echo "${bar} fixing up permissions"
    168 	echo "./boot type=dir uname=root gname=wheel mode=0755" \
    169 	    >> "$tmp/selected_sets"
    170 }
    171