Files
poky/scripts/contrib/ddimage
Hongxu Jia 59ab44fb3e ddimage: fix incompatibility with dash
On systems with dash as /bin/sh there were failures while invoking ddimage.
Fix to let it work with both bash and dash shells.

[YOCTO #4617]

(From OE-Core master rev: 4c6f7a5d8bd6ada434b91037ecd5db06f3eac814)

(From OE-Core rev: 6f3dd6cfff781a7ab1c0495982da5c723e894ca9)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2013-07-09 10:53:50 +01:00

1.7 KiB
Executable File

#!/bin/sh

#BLACKLIST_DEVICES="/dev/sda /dev/sdb /dev/sdc /dev/sdd /dev/sde" BLACKLIST_DEVICES="/dev/sda"

1MB blocksize

BLOCKSIZE=1048576

usage() { echo "Usage: $(basename $0) IMAGE DEVICE" }

image_details() { IMG=$1 echo "Image details" echo "=============" echo " image: $(stat --printf '%N\n' $IMG)" echo " size: $(stat -L --printf '%s bytes\n' $IMG)" echo " modified: $(stat -L --printf '%y\n' $IMG)" echo " type: $(file -L -b $IMG)" echo "" }

device_details() { DEV=$1 BLOCK_SIZE=512

echo "Device details"
echo "=============="
echo "  device: $DEVICE"
if [ -f "/sys/class/block/$DEV/device/vendor" ]; then
	echo "  vendor: $(cat /sys/class/block/$DEV/device/vendor)"
else
	echo "  vendor: UNKOWN"
fi
if [ -f "/sys/class/block/$DEV/device/model" ]; then
	echo "   model: $(cat /sys/class/block/$DEV/device/model)"
else
	echo "   model: UNKNOWN"
fi
if [ -f "/sys/class/block/$DEV/size" ]; then
	echo "    size: $[$(cat /sys/class/block/$DEV/size)*BLOCK_SIZE] bytes"
else
	echo "    size: UNKNOWN"
fi
echo ""

}

if [ $# -ne 2 ]; then usage exit 1 fi

IMAGE=$1 DEVICE=$2

if [ ! -e "$IMAGE" ]; then echo "ERROR: Image $IMAGE does not exist" usage exit 1 fi

for i in ${BLACKLIST_DEVICES}; do if [ "$i" = "$DEVICE" ]; then echo "ERROR: Device $DEVICE is blacklisted" exit 1 fi done

if [ ! -w "$DEVICE" ]; then echo "ERROR: Device $DEVICE does not exist or is not writable" usage exit 1 fi

image_details $IMAGE device_details $(basename $DEVICE)

printf "Write $IMAGE to $DEVICE [y/N]? " read RESPONSE if [ "$RESPONSE" != "y" ]; then echo "Write aborted" exit 0 fi

echo "Writing image..." dd if="$IMAGE" of="$DEVICE" bs="$BLOCKSIZE" sync