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evbarm.conf revision 1.14 
      1 # $NetBSD: evbarm.conf,v 1.14 2014/03/31 16:20:49 christos Exp $
      2 # evbarm shared config
      3 #
      4 image=$HOME/${board}.img
      5 
      6 specialdirs="/kern /proc"
      7 MACHINE=evbarm
      8 
      9 swap=256
     10 extra=8		# spare space
     11 boot=112
     12 init=8
     13 
     14 size=0		# autocompute
     15 msdosid=12
     16 
     17 make_label_evbarm() {
     18 	# compute all sizes in terms of sectors
     19 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     20 
     21 	local swapsize=$(( ${swap} * 1024 ))
     22 	local bootsize=$(( ${boot} * 1024 ))
     23 
     24 	local bootoffset=$(( ${init} * 1024 ))
     25 	local swapoffset=$(( ${bootoffset} + ${bootsize} ))
     26 
     27 	local asize=$(( ${totalsize} - ${swapsize} - ${bootsize} - ${bootoffset} ))
     28 	local aoffset=$(( ${swapoffset} + ${swapsize} ))
     29 
     30 	local bps=512
     31 	local spt=32
     32 	local tpc=64
     33 	local spc=2048
     34 	local cylinders=$(( ${totalsize} / ${spc} ))
     35 
     36 	cat << EOF
     37 type: SCSI
     38 disk: STORAGE DEVICE
     39 label: fictitious
     40 flags: removable
     41 bytes/sector: ${bps}
     42 sectors/track: ${spt}
     43 tracks/cylinder: ${tpc}
     44 sectors/cylinder: ${spc}
     45 cylinders: ${cylinders}
     46 total sectors: ${totalsize}
     47 rpm: 3600
     48 interleave: 1
     49 trackskew: 0
     50 cylinderskew: 0
     51 headswitch: 0           # microseconds
     52 track-to-track seek: 0  # microseconds
     53 drivedata: 0 
     54 
     55 8 partitions:
     56 #     size         offset        fstype [fsize bsize cpg/sgs]
     57  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     58  b:   ${swapsize}  ${swapoffset} swap                         #
     59  c:   ${totalsize} 0             unused      0     0          #
     60  d:   ${totalsize} 0             unused      0     0          #
     61  e:   ${bootsize}  ${bootoffset} MSDOS                        #
     62 EOF
     63 }
     64 
     65 make_fstab_evbarm_normal() {
     66 	cat > ${mnt}/etc/fstab << EOF
     67 # NetBSD /etc/fstab
     68 # See /usr/share/examples/fstab/ for more examples.
     69 /dev/ld0a	/		ffs	rw,log	1 1
     70 /dev/ld0b	none		swap	sw	0 0
     71 /dev/ld0e	/boot		msdos	rw	1 1
     72 kernfs		/kern		kernfs	rw
     73 ptyfs		/dev/pts	ptyfs	rw
     74 procfs		/proc		procfs	rw
     75 EOF
     76 }
     77 
     78 # From Richard Neswold's:
     79 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     80 # Also for the postfix stuff below
     81 make_fstab_evbarm_minwrites() {
     82 	cat > ${mnt}/etc/fstab << EOF
     83 # NetBSD /etc/fstab
     84 # See /usr/share/examples/fstab/ for more examples.
     85 /dev/ld0a	/			ffs	rw,log,noatime,nodevmtime 1 1
     86 /dev/ld0b	none			swap	sw			  0 0
     87 /dev/ld0e	/boot			msdos	rw			  1 1
     88 kernfs		/kern			kernfs	rw
     89 ptyfs		/dev/pts		ptyfs	rw
     90 procfs		/proc			procfs	rw
     91 tmpfs		/tmp			tmpfs	rw,-s32M
     92 tmpfs		/var/log		tmpfs	rw,union,-s32M
     93 tmpfs		/var/run		tmpfs	rw,union,-s1M
     94 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     95 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     96 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     97 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
     98 EOF
     99 }
    100 
    101 make_fstab_evbarm() {
    102 	if $minwrites; then
    103 		make_fstab_evbarm_minwrites
    104 	else
    105 		make_fstab_evbarm_normal
    106 	fi
    107 }
    108 
    109 customize_evbarm() {
    110 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
    111 	if $minwrites; then
    112 		mkdir ${mnt}/etc/postfix
    113 		(umask 022
    114 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    115 		    ${mnt}/etc/postfix/master.cf)
    116 	fi
    117 	cat >> ${mnt}/etc/rc.conf << EOF
    118 rc_configured=YES
    119 hostname=${board}
    120 sshd=YES
    121 dhcpcd=YES
    122 EOF
    123 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    124 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    125 		exit 1
    126 	fi
    127 	echo "${bar} running MAKEDEV ${bar}"
    128 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    129 	    >> "$tmp/selected_sets"
    130 
    131 	echo "${bar} creating directories ${bar}"
    132 	mkdir ${mnt}/proc ${mnt}/kern
    133 }
    134