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x86.conf revision 1.9
      1 # $NetBSD: x86.conf,v 1.9 2020/12/23 10:35:18 rin 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 extra=8		# spare space
     11 size=0		# autocompute
     12 netbsdid=169
     13 init=63
     14 ffsoffset=${init}b
     15 
     16 make_label() {
     17 	# compute all sizes in terms of sectors
     18 	local totalsize=$(( ${size} / 512 ))
     19 
     20 	local aoffset=${init}
     21 	local asize=$(( ${totalsize} - ${aoffset} ))
     22 
     23 	local bps=512
     24 	local spt=32
     25 	local tpc=64
     26 	local spc=2048
     27 	local cylinders=$(( ${totalsize} / ${spc} ))
     28 
     29 	cat << EOF
     30 type: SCSI
     31 disk: STORAGE DEVICE
     32 label: fictitious
     33 flags: removable
     34 bytes/sector: ${bps}
     35 sectors/track: ${spt}
     36 tracks/cylinder: ${tpc}
     37 sectors/cylinder: ${spc}
     38 cylinders: ${cylinders}
     39 total sectors: ${totalsize}
     40 rpm: 3600
     41 interleave: 1
     42 trackskew: 0
     43 cylinderskew: 0
     44 headswitch: 0           # microseconds
     45 track-to-track seek: 0  # microseconds
     46 drivedata: 0 
     47 
     48 8 partitions:
     49 #     size         offset        fstype [fsize bsize cpg/sgs]
     50  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     51  c:   ${totalsize} 0             unused      0     0          #
     52  d:   ${totalsize} 0             unused      0     0          #
     53 EOF
     54 }
     55 
     56 make_fstab_normal() {
     57 	cat > ${mnt}/etc/fstab << EOF
     58 # NetBSD /etc/fstab
     59 # See /usr/share/examples/fstab/ for more examples.
     60 /dev/${rootdev}0a	/		ffs	rw,log	1 1
     61 kernfs		/kern		kernfs	rw
     62 ptyfs		/dev/pts	ptyfs	rw
     63 procfs		/proc		procfs	rw
     64 EOF
     65 }
     66 
     67 # From Richard Neswold's:
     68 # http://rich-tbp.blogspot.com/2013/03/netbsd-on-rpi-minimizing-disk-writes.html
     69 # Also for the postfix stuff below
     70 make_fstab_minwrites() {
     71 	cat > ${mnt}/etc/fstab << EOF
     72 # NetBSD /etc/fstab
     73 # See /usr/share/examples/fstab/ for more examples.
     74 /dev/${rootdev}0a	/			ffs	rw,log,noatime,nodevmtime 1 1
     75 kernfs		/kern			kernfs	rw
     76 ptyfs		/dev/pts		ptyfs	rw
     77 procfs		/proc			procfs	rw
     78 tmpfs		/tmp			tmpfs	rw,-s32M
     79 tmpfs		/var/log		tmpfs	rw,union,-s32M
     80 tmpfs		/var/run		tmpfs	rw,union,-s1M
     81 tmpfs		/var/mail		tmpfs	rw,union,-s10M
     82 tmpfs		/var/spool/postfix	tmpfs	rw,union,-s20M
     83 tmpfs		/var/db/postfix		tmpfs	rw,union,-s1M
     84 tmpfs		/var/chroot		tmpfs	rw,union,-s10M
     85 EOF
     86 }
     87 
     88 make_fstab() {
     89 	if $minwrites; then
     90 		make_fstab_minwrites
     91 	else
     92 		make_fstab_normal
     93 	fi
     94 	echo "./etc/fstab type=file uname=root gname=wheel mode=0755" \
     95 	    >> "$tmp/selected_sets"
     96 
     97 	echo "./proc type=dir uname=root gname=wheel mode=0755" \
     98 	    >> "$tmp/selected_sets"
     99 	echo "./kern type=dir uname=root gname=wheel mode=0755" \
    100 	    >> "$tmp/selected_sets"
    101 }
    102 
    103 customize() {
    104 	cp ${release}/etc/rc.conf ${mnt}/etc/rc.conf
    105 	if $minwrites; then
    106 		mkdir ${mnt}/etc/postfix
    107 		(umask 022
    108 		sed -e 's/fifo/unix/' < ${release}/etc/postfix/master.cf > \
    109 		    ${mnt}/etc/postfix/master.cf)
    110 	fi
    111 	cat >> ${mnt}/etc/rc.conf << EOF
    112 rc_configured=YES
    113 hostname=${board}
    114 sshd=YES
    115 dhcpcd=YES
    116 wscons=YES
    117 devpubd=YES
    118 EOF
    119 	echo "./etc/rc.conf type=file uname=root gname=wheel mode=0644" \
    120 	    >> "$tmp/selected_sets"
    121 
    122 	if [ ! -f ${release}/dev/MAKEDEV ]; then
    123 		echo ${PROG}: Missing ${release}/dev/MAKEDEV 1>&2
    124 		exit 1
    125 	fi
    126 	echo "${bar} running MAKEDEV ${bar}"
    127 	${HOST_SH} ${release}/dev/MAKEDEV -s all | sed -e 's:^\./:\./dev/:' \
    128 	    >> "$tmp/selected_sets"
    129 }
    130 
    131 populate() {
    132 	if [ ! -f ${kernel} ]; then
    133 		echo ${PROG}: Missing ${kernel} 1>&2
    134 		exit 1
    135 	fi
    136 
    137 	echo "${bar} installing kernel ${bar}"
    138 	cp ${kernel} ${mnt}/netbsd
    139 	if [ ! -f ${bootfile} ]; then
    140 		echo ${PROG}: Missing ${bootfile} 1>&2
    141 		exit 1
    142 	fi
    143 	cp ${bootfile} ${mnt}/boot ||
    144 	    fail "copy of ${bootfile} to ${mnt}/boot failed"
    145 
    146 	echo "./netbsd type=file uname=root gname=wheel mode=0755" \
    147 	    >> "$tmp/selected_sets"
    148 	echo "./boot type=file uname=root gname=wheel mode=0444" \
    149 	    >> "$tmp/selected_sets"
    150 }
    151