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x86.conf revision 1.4.4.2 
      1 # $NetBSD: x86.conf,v 1.4.4.2 2014/05/22 12:01:34 yamt 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 ffsoffset=63b
     16 
     17 make_label() {
     18 	# compute all sizes in terms of sectors
     19 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     20 
     21 	local aoffset=63
     22 	local asize=$(( ${totalsize} - ${aoffset} ))
     23 
     24 	local bps=512
     25 	local spt=32
     26 	local tpc=64
     27 	local spc=2048
     28 	local cylinders=$(( ${totalsize} / ${spc} ))
     29 
     30 	cat << EOF
     31 type: SCSI
     32 disk: STORAGE DEVICE
     33 label: fictitious
     34 flags: removable
     35 bytes/sector: ${bps}
     36 sectors/track: ${spt}
     37 tracks/cylinder: ${tpc}
     38 sectors/cylinder: ${spc}
     39 cylinders: ${cylinders}
     40 total sectors: ${totalsize}
     41 rpm: 3600
     42 interleave: 1
     43 trackskew: 0
     44 cylinderskew: 0
     45 headswitch: 0           # microseconds
     46 track-to-track seek: 0  # microseconds
     47 drivedata: 0 
     48 
     49 8 partitions:
     50 #     size         offset        fstype [fsize bsize cpg/sgs]
     51  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     52  c:   ${totalsize} 0             unused      0     0          #
     53  d:   ${totalsize} 0             unused      0     0          #
     54 EOF
     55 }
     56 
     57 make_fstab_normal() {
     58 	cat > ${mnt}/etc/fstab << EOF
     59 # NetBSD /etc/fstab
     60 # See /usr/share/examples/fstab/ for more examples.
     61 /dev/${rootdev}0a	/		ffs	rw,log	1 1
     62 kernfs		/kern		kernfs	rw
     63 ptyfs		/dev/pts	ptyfs	rw
     64 procfs		/proc		procfs	rw
     65 EOF
     66 }
     67 
     68 # From Richard Neswold's:
     69 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     70 # Also for the postfix stuff below
     71 make_fstab_minwrites() {
     72 	cat > ${mnt}/etc/fstab << EOF
     73 # NetBSD /etc/fstab
     74 # See /usr/share/examples/fstab/ for more examples.
     75 /dev/${rootdev}0a	/			ffs	rw,log,noatime,nodevmtime 1 1
     76 kernfs		/kern			kernfs	rw
     77 ptyfs		/dev/pts		ptyfs	rw
     78 procfs		/proc			procfs	rw
     79 tmpfs		/tmp			tmpfs	rw,-s32M
     80 tmpfs		/var/log		tmpfs	rw,union,-s32M
     81 tmpfs		/var/run		tmpfs	rw,union,-s1M
     82 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     83 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     84 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     85 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
     86 EOF
     87 }
     88 
     89 make_fstab() {
     90 	if $minwrites; then
     91 		make_fstab_minwrites
     92 	else
     93 		make_fstab_normal
     94 	fi
     95 }
     96 
     97 customize() {
     98 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
     99 	if $minwrites; then
    100 		mkdir ${mnt}/etc/postfix
    101 		(umask 022
    102 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    103 		    ${mnt}/etc/postfix/master.cf)
    104 	fi
    105 	cat >> ${mnt}/etc/rc.conf << EOF
    106 rc_configured=YES
    107 hostname=${board}
    108 sshd=YES
    109 dhcpcd=YES
    110 wscons=YES
    111 devpubd=YES
    112 EOF
    113 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    114 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    115 		exit 1
    116 	fi
    117 	echo "${bar} running MAKEDEV ${bar}"
    118 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    119 	    >> "$tmp/selected_sets"
    120 
    121 	echo "${bar} creating directories ${bar}"
    122 	mkdir ${mnt}/proc ${mnt}/kern
    123 }
    124 
    125 populate() {
    126 	if [ ! -f ${kernel} ]; then
    127 		echo ${PROG}: Missing ${kernel} 1>&2
    128 		exit 1
    129 	fi
    130 
    131 	echo "${bar} installing kernel ${bar}"
    132 	cp ${kernel} ${mnt}/netbsd
    133 	if [ ! -f ${bootfile} ]; then
    134 		echo ${PROG}: Missing ${bootfile} 1>&2
    135 		exit 1
    136 	fi
    137 	cp ${bootfile} ${mnt}/boot
    138 }
    139