Moved doFS into shell-script so we can be more smart about it.

make two boot floppies, one without help files for 4MB systems.
Mine's loading one now. :-)  -O2 may be needed.

1 files changed, 82 insertions, 0 deletions

diff --git a/release/scripts/doFS.sh b/release/scripts/doFS.sh
new file mode 100644
index 0000000..4548bd5
--- /dev/null
+++ b/release/scripts/doFS.sh
@@ -0,0 +1,82 @@
+:
+set -e
+
+VNDEVICE=vn0
+
+RD=$1 ; shift
+MNT=$1 ; shift
+FSSIZE=$1 ; shift
+FSPROTO=$1 ; shift
+FSINODE=$1 ; shift
+FSLABEL=$1 ; shift
+
+while true 
+do
+	rm -f fs-image
+
+	if [ ! -b /dev/${VNDEVICE} -o ! -c /dev/r${VNDEVICE} ] ; then 
+		cd /dev && sh MAKEDEV ${VNDEVICE} 
+	fi
+
+	umount /dev/${VNDEVICE} 2>/dev/null || true
+
+	umount ${MNT} 2>/dev/null || true
+
+	vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
+
+	dd of=fs-image if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
+
+	vnconfig -s labels -c /dev/r${VNDEVICE} fs-image
+
+	if [ "$FSLABEL" = "minimum" ] ; then
+		sed '/^minimum:/,$d' /etc/disktab > /etc/disktab.tmp
+		cat /etc/disktab.tmp > /etc/disktab
+		rm -f /etc/disktab.tmp
+		(
+		a=`expr ${FSSIZE} \* 2`
+		echo 
+		echo "minimum:ty=mfs:se#512:nt#1:rm#300:\\"
+		echo "	:ns#$a:nc#1:\\"
+		echo "	:pa#$a:oa#0:ba#4096:fa#512:\\"
+		echo "	:pc#$a:oc#0:bc#4096:fc#512:"
+		echo
+		) >> /etc/disktab
+	fi
+
+	disklabel -w -r -B \
+		-b ${RD}/trees/bin/usr/mdec/fdboot \
+		-s ${RD}/trees/bin/usr/mdec/bootfd \
+		/dev/r${VNDEVICE} ${FSLABEL}
+
+	newfs -u 0 -t 0 -i ${FSINODE} -m 0 -T ${FSLABEL} /dev/r${VNDEVICE}a
+
+	mount /dev/${VNDEVICE}a ${MNT}
+
+	( cd ${FSPROTO} && find . -print | cpio -dump ${MNT} )
+
+	set `df -i /mnt | tail -1`
+
+	umount ${MNT}
+
+	fsck -p /dev/r${VNDEVICE}a < /dev/null
+
+	vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
+
+	if [ $FSLABEL != "minimum" ] ; then
+		echo ${FSSIZE} > fs-image.size
+		break
+	fi
+
+	echo ">>> Filesystem is ${FSSIZE} K, $4 left"
+	echo ">>>     ${FSINODE} bytes/inode, $7 left"
+	if [ $4 -gt 8 ] ; then
+		FSSIZE=`expr ${FSSIZE} - $4 + 7`
+		continue
+	fi
+	if [ $7 -gt 32 ] ; then
+		FSINODE=`expr ${FSINODE} + 8192`
+		continue
+	fi
+	echo ${FSSIZE} > fs-image.size
+	break;
+done