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#! /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
# http://wiki.omap.com/index.php/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 [ -b ${DRIVE}1 ]; then
umount ${DRIVE}1
mkfs.vfat -F 32 -n "boot" ${DRIVE}1
else
if [ -b ${DRIVE}p1 ]; then
umount ${DRIVE}p1
mkfs.vfat -F 32 -n "boot" ${DRIVE}p1
else
echo "Cant find boot partition in /dev"
fi
fi
if [ -b ${DRIVE}2 ]; then
umount ${DRIVE}2
mke2fs -j -L "rootfs" ${DRIVE}2
else
if [ -b ${DRIVE}p2 ]; then
umount ${DRIVE}p2
mke2fs -j -L "rootfs" ${DRIVE}p2
else
echo "Cant find rootfs partition in /dev"
fi
fi