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x86.conf revision 1.5 
      1 # $NetBSD: x86.conf,v 1.5 2014/12/14 00:28:46 christos Exp $
      2 # x86 shared config
      3 #
      4 
      5 image=$HOME/${board}.img
      6 MACHINE=${board}
      7 kernel=$src/sys/arch/${board}/compile/GENERIC/netbsd
      8 bootfile=$release/usr/mdec/boot
      9 
     10 specialdirs="/kern /proc"
     11 
     12 extra=8		# spare space
     13 size=0		# autocompute
     14 netbsdid=169
     15 init=63
     16 ffsoffset=${init}b
     17 
     18 make_label() {
     19 	# compute all sizes in terms of sectors
     20 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     21 
     22 	local aoffset=${init}
     23 	local asize=$(( ${totalsize} - ${aoffset} ))
     24 
     25 	local bps=512
     26 	local spt=32
     27 	local tpc=64
     28 	local spc=2048
     29 	local cylinders=$(( ${totalsize} / ${spc} ))
     30 
     31 	cat << EOF
     32 type: SCSI
     33 disk: STORAGE DEVICE
     34 label: fictitious
     35 flags: removable
     36 bytes/sector: ${bps}
     37 sectors/track: ${spt}
     38 tracks/cylinder: ${tpc}
     39 sectors/cylinder: ${spc}
     40 cylinders: ${cylinders}
     41 total sectors: ${totalsize}
     42 rpm: 3600
     43 interleave: 1
     44 trackskew: 0
     45 cylinderskew: 0
     46 headswitch: 0           # microseconds
     47 track-to-track seek: 0  # microseconds
     48 drivedata: 0 
     49 
     50 8 partitions:
     51 #     size         offset        fstype [fsize bsize cpg/sgs]
     52  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     53  c:   ${totalsize} 0             unused      0     0          #
     54  d:   ${totalsize} 0             unused      0     0          #
     55 EOF
     56 }
     57 
     58 make_fstab_normal() {
     59 	cat > ${mnt}/etc/fstab << EOF
     60 # NetBSD /etc/fstab
     61 # See /usr/share/examples/fstab/ for more examples.
     62 /dev/${rootdev}0a	/		ffs	rw,log	1 1
     63 kernfs		/kern		kernfs	rw
     64 ptyfs		/dev/pts	ptyfs	rw
     65 procfs		/proc		procfs	rw
     66 EOF
     67 }
     68 
     69 # From Richard Neswold's:
     70 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     71 # Also for the postfix stuff below
     72 make_fstab_minwrites() {
     73 	cat > ${mnt}/etc/fstab << EOF
     74 # NetBSD /etc/fstab
     75 # See /usr/share/examples/fstab/ for more examples.
     76 /dev/${rootdev}0a	/			ffs	rw,log,noatime,nodevmtime 1 1
     77 kernfs		/kern			kernfs	rw
     78 ptyfs		/dev/pts		ptyfs	rw
     79 procfs		/proc			procfs	rw
     80 tmpfs		/tmp			tmpfs	rw,-s32M
     81 tmpfs		/var/log		tmpfs	rw,union,-s32M
     82 tmpfs		/var/run		tmpfs	rw,union,-s1M
     83 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     84 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     85 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     86 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
     87 EOF
     88 }
     89 
     90 make_fstab() {
     91 	if $minwrites; then
     92 		make_fstab_minwrites
     93 	else
     94 		make_fstab_normal
     95 	fi
     96 }
     97 
     98 customize() {
     99 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
    100 	if $minwrites; then
    101 		mkdir ${mnt}/etc/postfix
    102 		(umask 022
    103 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    104 		    ${mnt}/etc/postfix/master.cf)
    105 	fi
    106 	cat >> ${mnt}/etc/rc.conf << EOF
    107 rc_configured=YES
    108 hostname=${board}
    109 sshd=YES
    110 dhcpcd=YES
    111 wscons=YES
    112 devpubd=YES
    113 EOF
    114 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    115 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    116 		exit 1
    117 	fi
    118 	echo "${bar} running MAKEDEV ${bar}"
    119 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    120 	    >> "$tmp/selected_sets"
    121 
    122 	echo "${bar} creating directories ${bar}"
    123 	mkdir ${mnt}/proc ${mnt}/kern
    124 }
    125 
    126 populate() {
    127 	if [ ! -f ${kernel} ]; then
    128 		echo ${PROG}: Missing ${kernel} 1>&2
    129 		exit 1
    130 	fi
    131 
    132 	echo "${bar} installing kernel ${bar}"
    133 	cp ${kernel} ${mnt}/netbsd
    134 	if [ ! -f ${bootfile} ]; then
    135 		echo ${PROG}: Missing ${bootfile} 1>&2
    136 		exit 1
    137 	fi
    138 	cp ${bootfile} ${mnt}/boot
    139 }
    140