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evbarm.conf revision 1.26.2.1 
      1 # $NetBSD: evbarm.conf,v 1.26.2.1 2017/05/19 00:22:52 pgoyette Exp $
      2 # evbarm shared config
      3 #
      4 image=$HOME/${board}.img
      5 
      6 MACHINE=evbarm
      7 
      8 swap=256
      9 extra=48		# spare space
     10 init=8
     11 boot=$((192 - ${init}))
     12 ffsoffset=$(( (${init} + ${boot} + ${swap}) / 2 ))m
     13 
     14 size=0		# autocompute
     15 msdosid=12
     16 
     17 mkdir -p ${mnt}/boot
     18 
     19 make_label_evbarm() {
     20 	# compute all sizes in terms of sectors
     21 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     22 
     23 	local swapsize=$(( ${swap} * 1024 ))
     24 	local bootsize=$(( ${boot} * 1024 ))
     25 
     26 	local bootoffset=$(( ${init} * 1024 ))
     27 	local swapoffset=$(( ${bootoffset} + ${bootsize} ))
     28 
     29 	local asize=$(( ${totalsize} - ${swapsize} - ${bootsize} - ${bootoffset} ))
     30 	local aoffset=$(( ${swapoffset} + ${swapsize} ))
     31 
     32 	local bps=512
     33 	local spt=32
     34 	local tpc=64
     35 	local spc=2048
     36 	local cylinders=$(( ${totalsize} / ${spc} ))
     37 
     38 	cat << EOF
     39 type: SCSI
     40 disk: STORAGE DEVICE
     41 label: fictitious
     42 flags: removable
     43 bytes/sector: ${bps}
     44 sectors/track: ${spt}
     45 tracks/cylinder: ${tpc}
     46 sectors/cylinder: ${spc}
     47 cylinders: ${cylinders}
     48 total sectors: ${totalsize}
     49 rpm: 3600
     50 interleave: 1
     51 trackskew: 0
     52 cylinderskew: 0
     53 headswitch: 0           # microseconds
     54 track-to-track seek: 0  # microseconds
     55 drivedata: 0 
     56 
     57 8 partitions:
     58 #     size         offset        fstype [fsize bsize cpg/sgs]
     59  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     60  b:   ${swapsize}  ${swapoffset} swap                         #
     61  c:   ${totalsize} 0             unused      0     0          #
     62  e:   ${bootsize}  ${bootoffset} MSDOS                        #
     63 EOF
     64 }
     65 
     66 make_fstab_evbarm_normal() {
     67 	cat > ${mnt}/etc/fstab << EOF
     68 # NetBSD /etc/fstab
     69 # See /usr/share/examples/fstab/ for more examples.
     70 /dev/ld0a	/		ffs	rw,noatime	1 1
     71 /dev/ld0b	none		swap	sw	0 0
     72 /dev/ld0e	/boot		msdos	rw	1 1
     73 kernfs		/kern		kernfs	rw
     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 # From Richard Neswold's:
     81 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     82 # Also for the postfix stuff below
     83 make_fstab_evbarm_minwrites() {
     84 	cat > ${mnt}/etc/fstab << EOF
     85 # NetBSD /etc/fstab
     86 # See /usr/share/examples/fstab/ for more examples.
     87 /dev/ld0a	/			ffs	rw,log,noatime,nodevmtime 1 1
     88 /dev/ld0b	none			swap	sw			  0 0
     89 /dev/ld0e	/boot			msdos	rw			  1 1
     90 kernfs		/kern			kernfs	rw
     91 ptyfs		/dev/pts		ptyfs	rw
     92 procfs		/proc			procfs	rw
     93 tmpfs		/tmp			tmpfs	rw,-s32M
     94 tmpfs		/var/log		tmpfs	rw,union,-s32M
     95 tmpfs		/var/run		tmpfs	rw,union,-s1M
     96 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     97 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     98 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     99 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
    100 tmpfs		/var/shm		tmpfs	rw,-m1777,-sram%25
    101 EOF
    102 }
    103 
    104 make_fstab_evbarm() {
    105 	if $minwrites; then
    106 		make_fstab_evbarm_minwrites
    107 	else
    108 		make_fstab_evbarm_normal
    109 	fi
    110 	echo "./etc/fstab type=file uname=root gname=wheel mode=0644" \
    111 	    >> "$tmp/selected_sets"
    112 
    113 	# Missing mount points from fstab
    114 	echo "./proc type=dir uname=root gname=wheel mode=0755" \
    115 	    >> "$tmp/selected_sets"
    116 	echo "./kern type=dir uname=root gname=wheel mode=0755" \
    117 	    >> "$tmp/selected_sets"
    118 }
    119 
    120 customize_evbarm() {
    121 	if $minwrites; then
    122 		mkdir ${mnt}/etc/postfix
    123 		(umask 022
    124 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    125 		    ${mnt}/etc/postfix/master.cf)
    126 	fi
    127 	
    128 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
    129 	cat >> ${mnt}/etc/rc.conf << EOF
    130 rc_configured=YES
    131 hostname=${board}
    132 sshd=YES
    133 dhcpcd=YES
    134 ntpd=YES
    135 ntpd_flags="-g"
    136 EOF
    137 
    138 	if $resize; then
    139 		cat >> ${mnt}/etc/rc.conf << EOF
    140 resize_disklabel=YES
    141 resize_disklabel_disk=ld0
    142 resize_disklabel_part=a
    143 resize_root=YES
    144 resize_root_flags="-p"
    145 resize_root_postcmd="/sbin/reboot -n"
    146 EOF
    147 	fi
    148 
    149 	echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \
    150 	    >> "$tmp/selected_sets"
    151 
    152 	mkdir ${mnt}/etc/rc.d
    153 	cp ${DIR}/files/resize_disklabel ${mnt}/etc/rc.d/resize_disklabel
    154 	echo "./etc/rc.d/resize_disklabel type=file uname=root gname=wheel mode=0555" \
    155 	    >> "$tmp/selected_sets"
    156 
    157 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    158 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    159 		exit 1
    160 	fi
    161 	echo "${bar} running MAKEDEV ${bar}"
    162 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    163 	    >> "$tmp/selected_sets"
    164 
    165 	echo "${bar} fixing up permissions"
    166 	echo "./boot type=dir uname=root gname=wheel mode=0755" \
    167 	    >> "$tmp/selected_sets"
    168 }
    169