GDP to R-Car SD card. Pretty awful hack, be careful :)

gistfile1.txt

#!/bin/bash

# SETTINGS WARNING - get HOST DEVICE right or overwrite the wrong disk!
HOST_DEVICE=/dev/sda
HOST_DEVICE_PARTIION=${HOST_DEVICE}1
SDIMG=genivi-dev-platform-r-car.sdimg
DD=dcfldd  # Change to dd if you don't have dcfldd installed
MOUNTPOINT=/tmp/rcar_sd_mount

#set -e
#set -o pipefail

print() {
  echo $@
}

if [ -z "$1" -o -z "$2" ] ; then
  echo "Usage: $0 <rootfs.tar.gz> <devicetree.dtb>"
  exit 1
fi
TARBALL="$1"
DTB="$2"

if [ "$DTB" != "Image-r8a7796-m3ulcb.dtb" ] ; then
  echo "*** WARNING *** DTB file should likely be named Image-r8a7796-m3ulcb.dtb instead?"
  echo "Hit return to continue"
  read x
fi

if [ ! -e "$HOST_DEVICE" ] ; then
  echo "Can't find HOST_DEVICE $HOST_DEVICE - (edit this value in script). Stopping."
  exit 2
fi

print "WARNING -- will overwrite disk $HOST_DEVICE !.  Press RETURN to continue, or CTRL-C to abort"
read x

print "Zeroing image file"

rm -f "$SDIMG"
$DD if=/dev/zero of="$SDIMG" bs=2048 count=1M
mkfs.ext3 $SDIMG

print "Creating partition table on image"
cat <<EOT | sudo fdisk $HOST_DEVICE
o
n
p



w
EOT

print "Writing rootfs to image"
mkdir -p $MOUNTPOINT
sudo mount -o loop $SDIMG $MOUNTPOINT
sudo tar --numeric-owner --preserve-permissions --preserve-order --totals -xvf $TARBALL -C $MOUNTPOINT/

print Copying DTB to image file /boot
sudo cp "$DTB" $MOUNTPOINT/boot/

sudo umount $MOUNTPOINT

print Writing actual SD card with image

mount | fgrep -q "$HOST_DEVICE"
if [ $? -eq 0 ] ; then
  print "Warning HOST_DEVICE $HOST_DEVICE is mounted!"
  print "Are you sure to unmount and continue writing?"
  print
  print "WARNING -- will overwrite disk $HOST_DEVICE !.  Press RETURN to continue, or CTRL-C to abort"
  echo
  read x

  # This is sloppy and could certainly be improved...
  sudo umount -f ${HOST_DEVICE}1 ${HOST_DEVICE}2 ${HOST_DEVICE}3 ${HOST_DEVICE}p1 ${HOST_DEVICE}p2 ${HOST_DEVICE}p3 2>/dev/null || true
fi

if [ ! -e "$HOST_DEVICE" ] ; then
  print "Can't find HOST_DEVICE $HOST_DEVICE - stopping."
  exit 2
fi

set -x
sudo $DD if=$SDIMG of=$HOST_DEVICE_PARTIION bs=1M
set +x

print Syncing
sync