#! /bin/sh # mkcard.sh v0.5 # (c) Copyright 2009 Graeme Gregory <dp@xora.org.uk> # Licensed under terms of GPLv2 # # Parts of the procudure base on the work of Denys Dmytriyenko # wiki.omap.com/.../MMC_Boot_Format export LC_ALL=C if [ $# -ne 1 ]; then echo "Usage: $0 <drive>" exit 1; fi DRIVE=$1 dd if=/dev/zero of=$DRIVE bs=1024 count=1024 SIZE=`fdisk -l $DRIVE | grep Disk | grep bytes | awk '{print $5}'` echo DISK SIZE - $SIZE bytes CYLINDERS=`echo $SIZE/255/63/512 | bc` echo CYLINDERS - $CYLINDERS { echo ,9,0x0C,* echo ,,,- } | sfdisk -D -H 255 -S 63 -C $CYLINDERS $DRIVE sleep 1 if [ -x `which kpartx` ]; then kpartx -a ${DRIVE} fi # handle various device names. # note something like fdisk -l /dev/loop0 | egrep -E '^/dev' | cut -d' ' -f1 # won't work due to bugzilla.redhat.com/show_bug.cgi PARTITION1=${DRIVE}1 if [ ! -b ${PARTITION1} ]; then PARTITION1=${DRIVE}p1 fi DRIVE_NAME=`basename $DRIVE` DEV_DIR=`dirname $DRIVE` if [ ! -b ${PARTITION1} ]; then PARTITION1=$DEV_DIR/mapper/${DRIVE_NAME}p1 fi PARTITION2=${DRIVE}2 if [ ! -b ${PARTITION2} ]; then PARTITION2=${DRIVE}p2 fi if [ ! -b ${PARTITION2} ]; then PARTITION2=$DEV_DIR/mapper/${DRIVE_NAME}p2 fi # now make partitions. if [ -b ${PARTITION1} ]; then umount ${PARTITION1} mkfs.vfat -F 32 -n "boot" ${PARTITION1} else echo "Cant find boot partition in /dev" fi if [ -b ${PARITION2} ]; then umount ${PARTITION2} mke2fs -j -L "Angstrom" ${PARTITION2} else echo "Cant find rootfs partition in /dev" fi
