menu

#!/bin/bash

# clear screen
  clear 

# location
  export DIR=`readlink -f .`;
  export PARENT_DIR=`readlink -f ${DIR}/..`;

# color
  BGRED=`echo -e "\033[41m"`
  NORMAL=`echo -e "\033[m"`

# menu
  echo "${BGRED} bcm21553-common kernel build script${NORMAL}"
  echo " "
  echo " b. build"
  echo " c. clean"
  echo " "
  echo " r. restart script"
  echo " x. exit script"
# Read the letter the user gives
  echo
  read enterLetter

# build
  if [ "$enterLetter" == "b" ]
    then

    # devices menu
      echo "${BGRED} Choose your device${NORMAL}"
      echo " "
      echo " 1. totoro"
      echo " 2. cooperve"
      echo " 3. tassve"
      echo " "
      echo " m. main menu"
      echo " x. exit script"
    # Read the letter the user gives
      echo
      read enterLetter
    # totoro
      if [ "$enterLetter" == "1" ]
        then
        VARIANT="totoro"
    # cooperve
      elif [ "$enterLetter" == "2" ]
        then
        VARIANT="cooperve"
    # tassve
      elif [ "$enterLetter" == "3" ]
        then
         VARIANT="tassve"
    # main menu
      elif [ "$enterLetter" == "m" ]
        then
        $DIR/menu
    # Exit
      elif [ "$enterLetter" == "x" ]
        then
        exit 0
    # Other choice
      else
        echo "Invalid option, choose your device."
        $DIR/menu
    fi

    # remove previous zImage files
    if [ -e $PARENT_DIR/zImage ]; then
      rm $PARENT_DIR/zImage;
    fi;

    #name
    export KBUILD_BUILD_USER=mohammad.afaneh
    export KBUILD_BUILD_HOST=ubuntu

    # kernel config
    export ARCH=arm;
    export KERNEL_CONFIG="cyanogenmod_${VARIANT}_defconfig";

    # system compiler
    export CROSS_COMPILE=$PARENT_DIR/arm-eabi-4.6/bin/arm-eabi-;

    # build
    export USER=`whoami`
    export TMPFILE=`mktemp -t`;

    export NUMBEROFCPUS=`grep 'processor' /proc/cpuinfo | wc -l`;

    make $KERNEL_CONFIG;
    make -j$NUMBEROFCPUS zImage

    # final Touch for Kernel
    if [ -e $DIR/arch/arm/boot/zImage ]; then
      cp $DIR/arch/arm/boot/zImage $PARENT_DIR/zImage;
    fi;
    stat $PARENT_DIR/zImage || exit 1;

# clean
  elif [ "$enterLetter" == "c" ]
    then
    # system compiler
    export CROSS_COMPILE=$PARENT_DIR/arm-eabi-4.6/bin/arm-eabi-;
    make clean
    make mrproper
    $DIR/menu

# Restart
  elif [ "$enterLetter" == "r" ]
    then
    $DIR/menu

# Exit
  elif [ "$enterLetter" == "x" ]
    then
    exit 0

# Other choice
  else
    echo "Invalid option."
    $DIR/menu
fi