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make_smarc_mx8m_debian.sh 30.2 KB
156eff82d   Eric Lee   Initial Release, ...
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  #!/bin/bash
  # It is designed to build Debian linux for Embedian SMARC-imx8m modules
  # prepare host OS system:
  #  sudo apt-get install binfmt-support qemu qemu-user-static debootstrap kpartx
  #  sudo apt-get install lvm2 dosfstools gpart binutils git lib32ncurses5-dev python-m2crypto
  #  sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat libsdl1.2-dev
  #  sudo apt-get install autoconf libtool libglib2.0-dev libarchive-dev
  #  sudo apt-get install python-git xterm sed cvs subversion coreutils texi2html
  #  sudo apt-get install docbook-utils python-pysqlite2 help2man make gcc g++ desktop-file-utils libgl1-mesa-dev
  #  sudo apt-get install libglu1-mesa-dev mercurial automake groff curl lzop asciidoc u-boot-tools mtd-utils
  #
  
  # -e  Exit immediately if a command exits with a non-zero status.
  set -e
  
  SCRIPT_NAME=${0##*/}
  readonly SCRIPT_VERSION="0.5"
  
  
  #### Exports Variables ####
  #### global variables ####
  readonly ABSOLUTE_FILENAME=`readlink -e "$0"`
  readonly ABSOLUTE_DIRECTORY=`dirname ${ABSOLUTE_FILENAME}`
  readonly SCRIPT_POINT=${ABSOLUTE_DIRECTORY}
  readonly SCRIPT_START_DATE=`date +%Y%m%d`
  readonly LOOP_MAJOR=7
  
  # default mirror
  readonly DEF_DEBIAN_MIRROR="http://httpredir.debian.org/debian"
  readonly DEB_RELEASE="stretch"
  readonly DEF_ROOTFS_TARBAR_NAME="rootfs.tar.gz"
  
  ## display
  readonly DISPLAY="-hdmi"
  
  ## base paths
  readonly DEF_BUILDENV="${ABSOLUTE_DIRECTORY}"
  readonly DEF_SRC_DIR="${DEF_BUILDENV}/src"
  readonly G_ROOTFS_DIR="${DEF_BUILDENV}/rootfs"
  readonly G_TMP_DIR="${DEF_BUILDENV}/tmp"
  readonly G_TOOLS_PATH="${DEF_BUILDENV}/toolchain"
  readonly G_EMBEDIAN_PATH="${DEF_BUILDENV}/embedian"
  
  ## LINUX kernel: git, config, paths and etc
  readonly G_LINUX_KERNEL_SRC_DIR="${DEF_SRC_DIR}/kernel"
  readonly G_LINUX_KERNEL_GIT="git@git.embedian.com:developer/smarc-fsl-linux-kernel.git"
  readonly G_LINUX_KERNEL_BRANCH="smarc_8m_imx_4.14.78_1.0.0_ga"
73cedc8eb   Eric Lee   Fix wdog Linux ke...
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  readonly G_LINUX_KERNEL_REV="4544004fd5f97dece58e27f3ade5c7f47feaea23"
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  readonly G_LINUX_KERNEL_DEF_CONFIG='smarcimx8m_defconfig'
  readonly G_LINUX_DTB='embedian/fsl-smarcimx8mq.dtb embedian/fsl-smarcimx8mq-dcss-lvds.dtb embedian/fsl-smarcimx8mq-hdmi.dtb embedian/fsl-smarcimx8mq-lcdif-lvds.dtb embedian/fsl-smarcimx8mq-dual-display.dtb embedian/fsl-smarcimx8mq-dp.dtb embedian/fsl-smarcimx8mq-edp.dtb'
  
  ## uboot
  readonly G_UBOOT_SRC_DIR="${DEF_SRC_DIR}/uboot"
  readonly G_UBOOT_GIT="git@git.embedian.com:developer/smarc-t335x-uboot.git"
  readonly G_UBOOT_BRANCH="smarc-imx_v2018.03_4.14.78_1.0.0_ga"
4a4f37122   Eric Lee   rewrite u-boot LP...
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  readonly G_UBOOT_REV="f93b98812f1964ddb0cf6943b8aeb2db52d9ca89"
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  readonly G_UBOOT_DEF_CONFIG='smarcimx8mq_2g_ser3_defconfig'
  readonly G_UBOOT_NAME='imx-boot-sd.bin'
  
  ## CROSS_COMPILER config and paths
  readonly G_CROSS_COMPILER_NAME="gcc-linaro-6.4.1-2017.11-x86_64_aarch64-linux-gnu"
  readonly G_CROSS_COMPILER_ARCHIVE="${G_CROSS_COMPILER_NAME}.tar.xz"
  readonly G_CROSS_COMPILER_PATH="${G_TOOLS_PATH}/${G_CROSS_COMPILER_NAME}/bin"
  readonly G_CROSS_COMPILER_PREFIX="aarch64-linux-gnu-"
  readonly G_CROSS_COMPILER_JOPTION="-j 4"
  readonly G_EXT_CROSS_COMPILER_LINK="http://releases.linaro.org/components/toolchain/binaries/6.4-2017.11/aarch64-linux-gnu/${G_CROSS_COMPILER_ARCHIVE}"
  
  ############## user rootfs packages ##########
  readonly G_USER_PACKAGES=""
  
  export LC_ALL=C
  
  SOM="smarc-imx8m"
  
  #### Input params #####
  PARAM_DEB_LOCAL_MIRROR="${DEF_DEBIAN_MIRROR}"
  PARAM_OUTPUT_DIR="${DEF_BUILDENV}/output"
  PARAM_DEBUG="0"
  PARAM_CMD="all"
  PARAM_BLOCK_DEVICE="na"
  
  
  ### usage ###
  function usage() {
  	echo "This program version ${SCRIPT_VERSION}"
  	echo " Used for make debian(${DEB_RELEASE}) image for \"smarc-imx8m\" board"
  	echo " and create booted sdcard"
  	echo ""
  	echo "Usage:"
  	echo " ./${SCRIPT_NAME} options"
  	echo ""
  	echo "Options:"
  	echo "  -h|--help   -- print this help"
  	echo "  -c|--cmd <command>"
  	echo "     Supported commands:"
  	echo "       deploy      -- prepare environment for all commands"
  	echo "       all         -- build or rebuild kernel/bootloader/rootfs"
  	echo "       bootloader  -- build or rebuild bootloader (u-boot+SPL)"
  	echo "       kernel      -- build or rebuild linux kernel for this board"
  	echo "       modules     -- build or rebuild linux kernel modules and install in rootfs directory for this board"
  	echo "       rootfs      -- build or rebuild debian rootfs filesystem (includes: make debian apks, make and install kernel moduled,"
  	echo "                       make and install extern modules (wifi/bt), create rootfs.tar.gz)"
  	echo "       rtar        -- generate or regenerate rootfs.tar.gz image from rootfs folder "
  	echo "       clean       -- clean all build artifacts (not delete sources code and resulted images (output folder))"
  	echo "       sdcard      -- create bootting sdcard for this device"
  	echo "  -o|--output -- custom select output directory (default: \"${PARAM_OUTPUT_DIR}\")"
  	echo "  -d|--dev    -- select sdcard device (exmple: -d /dev/sde)"
  	echo "  --debug     -- enable debug mode for this script"
  	echo "Examples of use:"
  	echo "  make only linux kernel for board: sudo ./${SCRIPT_NAME} --cmd kernel"
  	echo "  make only rootfs for board:       sudo ./${SCRIPT_NAME} --cmd rootfs"
  	echo "  create boot sdcard:               sudo ./${SCRIPT_NAME} --cmd sdcard --dev /dev/sdX"
  	echo "  deploy and build:                 ./${SCRIPT_NAME} --cmd deploy && sudo ./${SCRIPT_NAME} --cmd all"
  	echo ""
  }
  
  ###### parse input arguments ##
  readonly SHORTOPTS="c:o:d:s:h"
  readonly LONGOPTS="cmd:,output:,dev:,som:,help,debug"
  
  ARGS=$(getopt -s bash --options ${SHORTOPTS}  \
    --longoptions ${LONGOPTS} --name ${SCRIPT_NAME} -- "$@" )
  
  eval set -- "$ARGS"
  
  while true; do
  	case $1 in
  		-c|--cmd ) # script command
  			shift
  			PARAM_CMD="$1";
  			;;
  		-o|--output ) # select output dir
  			shift
  			PARAM_OUTPUT_DIR="$1";
  			;;
  		-d|--dev ) # block device (for create sdcard)
  			shift
  			[ -e ${1} ] && {
  				PARAM_BLOCK_DEVICE=${1};
  			};
  			;;
  		--debug ) # enable debug
  			PARAM_DEBUG=1;
  			;;
  		-h|--help ) # get help
  			usage
  			exit 0;
  			;;
  		-s|--som ) # target SOM
  			shift
  			SOM="$1";
  			;;
  		-- )
  			shift
  			break
  			;;
  		* )
  			shift
  			break
  			;;
  	esac
  	shift
  done
  
  ## enable tarce options in debug mode
  [ "${PARAM_DEBUG}" = "1" ] && {
  	echo "Debug mode enabled!"
  	set -x
  };
  
  if [ "${SOM}" = "smarc-imx8m" ]; then
  	IMXGSTPLG="imx-gst1.0-plugin-mx8mq"
  else
  	echo "Unknown target SOM ${SOM}"
  	exit 1
  fi
  
  if [ -d ${G_EMBEDIAN_PATH}/${SOM} ]; then
  	echo "Building Debian for SOM ${SOM}"
  else
  	echo "Missing custom files for SOM ${SOM}"
  	exit 1
  fi
  
  ## declarate dinamic variables ##
  readonly G_ROOTFS_TARBAR_PATH="${PARAM_OUTPUT_DIR}/${DEF_ROOTFS_TARBAR_NAME}"
  
  ###### local functions ######
  
  ### printing functions ###
  
  # print error message
  # $1 - printing string
  function pr_error() {
  	echo "E: $1"
  }
  
  # print warning message
  # $1 - printing string
  function pr_warning() {
  	echo "W: $1"
  }
  
  # print info message
  # $1 - printing string
  function pr_info() {
  	echo "I: $1"
  }
  
  # print debug message
  # $1 - printing string
  function pr_debug() {
  	echo "D: $1"
  }
  
  ### work functions ###
  
  # get sources from git repository
  # $1 - git repository
  # $2 - branch name
  # $3 - output dir
  # $4 - commit id
  function get_git_src() {
  	# clone src code
  	git clone ${1} -b ${2} ${3}
  	cd ${3}
  	git reset --hard ${4}
  	RET=$?
  	cd -
  	return $RET
  }
  
  # get remote file
  # $1 - remote file
  # $2 - local file
  function get_remote_file() {
  	# download remote file
  	wget -c ${1} -O ${2}
  	return $?
  }
  
  function make_prepare() {
  ## create src dir
  	mkdir -p ${DEF_SRC_DIR} && :;
  
  ## create toolchain dir
  	mkdir -p ${G_TOOLS_PATH} && :;
  
  ## create rootfs dir
  	mkdir -p ${G_ROOTFS_DIR} && :;
  
  ## create out dir
  	mkdir -p ${PARAM_OUTPUT_DIR} && :;
  
  ## create tmp dir
  	mkdir -p ${G_TMP_DIR} && :;
  }
  
  # function generate rootfs in input dir
  # $1 - rootfs base dir
  function make_debian_rootfs() {
  	local ROOTFS_BASE=$1
  
  	pr_info "Make debian(${DEB_RELEASE}) rootfs start..."
  
  ## umount previus mounts (if fail)
  	umount ${ROOTFS_BASE}/{sys,proc,dev/pts,dev} 2>/dev/null && :;
  
  ## clear rootfs dir
  	rm -rf ${ROOTFS_BASE}/* && :;
  
  	pr_info "rootfs: debootstrap"
  	debootstrap --verbose --foreign --arch arm64 ${DEB_RELEASE} ${ROOTFS_BASE}/ ${PARAM_DEB_LOCAL_MIRROR}
  
  ## prepare qemu
  	pr_info "rootfs: debootstrap in rootfs (second-stage)"
  	cp /usr/bin/qemu-aarch64-static ${ROOTFS_BASE}/usr/bin/
  	mount -o bind /proc ${ROOTFS_BASE}/proc
  	mount -o bind /dev ${ROOTFS_BASE}/dev
  	mount -o bind /dev/pts ${ROOTFS_BASE}/dev/pts
  	mount -o bind /sys ${ROOTFS_BASE}/sys
  	chroot $ROOTFS_BASE /debootstrap/debootstrap --second-stage
  
  	# delete unused folder
  	chroot $ROOTFS_BASE rm -rf  ${ROOTFS_BASE}/debootstrap
  
  	pr_info "rootfs: generate default configs"
  	mkdir -p ${ROOTFS_BASE}/etc/sudoers.d/
  	echo "user ALL=(root) /usr/bin/apt-get, /usr/bin/dpkg, /usr/bin/vi, /sbin/reboot" > ${ROOTFS_BASE}/etc/sudoers.d/user
  	chmod 0440 ${ROOTFS_BASE}/etc/sudoers.d/user
  
  	mkdir -p ${ROOTFS_BASE}/srv/local-apt-repository
  	cp -r ${G_EMBEDIAN_PATH}/deb/* ${ROOTFS_BASE}/srv/local-apt-repository
  
  ## added mirror to source list
  echo "deb ${DEF_DEBIAN_MIRROR} ${DEB_RELEASE} main contrib non-free
  deb-src ${DEF_DEBIAN_MIRROR} ${DEB_RELEASE} main contrib non-free
  deb ${DEF_DEBIAN_MIRROR} ${DEB_RELEASE}-backports main contrib non-free
  deb-src ${DEF_DEBIAN_MIRROR} ${DEB_RELEASE}-backports main contrib non-free
  " > etc/apt/sources.list
  
  ## raise backports priority
  echo "Package: *
  Pin: release n=${DEB_RELEASE}-backports
  Pin-Priority: 500
  " > etc/apt/preferences.d/backports
  
  ## maximize local repo priority
  echo "Package: *
  Pin: origin ""
  Pin-Priority: 1000
  " > etc/apt/preferences.d/local
  
  echo "
  # /dev/mmcblk0p1  /boot           vfat    defaults        0       0
  " > etc/fstab
  
  echo "smarc-imx8m" > etc/hostname
  
  echo "auto lo
  iface lo inet loopback
  " > etc/network/interfaces
  
  echo "
  locales locales/locales_to_be_generated multiselect en_US.UTF-8 UTF-8
  locales locales/default_environment_locale select en_US.UTF-8
  console-common	console-data/keymap/policy	select	Select keymap from full list
  keyboard-configuration keyboard-configuration/variant select 'English (US)'
  openssh-server openssh-server/permit-root-login select true
  " > debconf.set
  
  	pr_info "rootfs: prepare install packages in rootfs"
  ## apt-get install without starting
  cat > ${ROOTFS_BASE}/usr/sbin/policy-rc.d << EOF
  #!/bin/sh
  exit 101
  EOF
  
  chmod +x ${ROOTFS_BASE}/usr/sbin/policy-rc.d
  
  ## third packages stage
  cat > third-stage << EOF
  #!/bin/bash
  # apply debconfig options
  debconf-set-selections /debconf.set
  rm -f /debconf.set
  
  
  function protected_install() {
      local _name=\${1}
      local repeated_cnt=5;
      local RET_CODE=1;
  
      echo Installing \${_name}
      for (( c=0; c<\${repeated_cnt}; c++ ))
      do
          apt install -y \${_name} && {
              RET_CODE=0;
              break;
          };
  
          echo ""
          echo "###########################"
          echo "## Fix missing packages ###"
          echo "###########################"
          echo ""
  
          sleep 2;
  
          apt --fix-broken install -y && {
              RET_CODE=0;
              break;
          };
      done
  
      return \${RET_CODE}
  }
  
  # update packages and install base
  apt-get update || apt-get upgrade
  
  # local-apt-repository support
  protected_install local-apt-repository
  
  # update packages and install base
  apt-get update || apt-get upgrade
  
  protected_install locales
  protected_install ntp
  protected_install openssh-server
  protected_install nfs-common
  
  # packages required when flashing emmc
  protected_install dosfstools
  
  # fix config for sshd (permit root login)
  sed -i -e 's/#PermitRootLogin.*/PermitRootLogin\tyes/g' /etc/ssh/sshd_config
  
  # net-tools (ifconfig, etc.)
  protected_install net-tools
  protected_install network-manager
  
  # sdma package
  protected_install imx-firmware-sdma
  
  # graphical packages
  protected_install libdrm-vivante1
  protected_install imx-gpu-viv-core
  protected_install weston
  
  # added alsa & gstreamer
  protected_install alsa-utils
  protected_install gstreamer1.0-alsa
  protected_install gstreamer1.0-plugins-bad
  protected_install gstreamer1.0-plugins-base
  protected_install gstreamer1.0-plugins-base-apps
  protected_install gstreamer1.0-plugins-ugly
  protected_install gstreamer1.0-plugins-good
  protected_install gstreamer1.0-tools
  protected_install ${IMXGSTPLG}
  
  # added i2c tools
  protected_install i2c-tools
  
  # added usb tools
  protected_install usbutils
  
  # added net tools
  protected_install iperf
  
  # mtd
  protected_install mtd-utils
  
  # bluetooth
  protected_install bluetooth
  protected_install bluez-obexd
  protected_install bluez-tools
  protected_install blueman
  protected_install gconf2
  
  # wifi support packages
  #protected_install hostapd
  protected_install udhcpd
  
  # can support
  protected_install can-utils
  
  apt-get -y autoremove
  
  # create users and set password
  useradd -m -G audio -s /bin/bash user
  usermod -a -G video user
  echo "user:user" | chpasswd
  echo "root:root" | chpasswd
  
  # sado kill
  rm -f third-stage
  EOF
  
  	pr_info "rootfs: install selected debian packages (third-stage)"
  	chmod +x third-stage
  	chroot ${ROOTFS_BASE} /third-stage
  
  ### install weston service
  	install -d -m 0755 ${ROOTFS_BASE}/etc/xdg/weston
  	install -m 0644 ${G_EMBEDIAN_PATH}/${SOM}/weston.ini ${ROOTFS_BASE}/etc/xdg/weston
  	install -m 0755 ${G_EMBEDIAN_PATH}/${SOM}/weston.config ${ROOTFS_BASE}/etc/default/weston
  	install -m 0755 ${G_EMBEDIAN_PATH}/weston-start ${ROOTFS_BASE}/usr/bin/weston-start
  	install -m 0755 ${G_EMBEDIAN_PATH}/weston.profile ${ROOTFS_BASE}/etc/profile.d/weston.sh
  	install -m 0644 ${G_EMBEDIAN_PATH}/weston.service ${ROOTFS_BASE}/lib/systemd/system
  	ln -s /lib/systemd/system/weston.service \
  		${ROOTFS_BASE}/etc/systemd/system/multi-user.target.wants/weston.service
  
  ## end packages stage ##
  [ "${G_USER_PACKAGES}" != "" ] && {
  
  	pr_info "rootfs: install user defined packages (user-stage)"
  	pr_info "rootfs: G_USER_PACKAGES \"${G_USER_PACKAGES}\" "
  
  echo "#!/bin/bash
  # update packages
  apt-get update
  apt-get upgrade
  
  # install all user packages
  apt-get -y install ${G_USER_PACKAGES}
  
  rm -f user-stage
  " > user-stage
  
  	chmod +x user-stage
  	chroot ${ROOTFS_BASE} /user-stage
  
  };
  
  ## binaries rootfs patching ##
  	install -m 0644 ${G_EMBEDIAN_PATH}/issue ${ROOTFS_BASE}/etc/
  	install -m 0644 ${G_EMBEDIAN_PATH}/issue.net ${ROOTFS_BASE}/etc/
  	install -m 0755 ${G_EMBEDIAN_PATH}/rc.local ${ROOTFS_BASE}/etc/
  	install -m 0644 ${G_EMBEDIAN_PATH}/splash.bmp ${ROOTFS_BASE}/boot/
  	cp ${PARAM_OUTPUT_DIR}/Image ${ROOTFS_BASE}/boot
  	cp ${PARAM_OUTPUT_DIR}/*.dtb ${ROOTFS_BASE}/boot
  	ln -sf fsl-smarcimx8mq${DISPLAY}.dtb ${ROOTFS_BASE}/boot/fsl-smarcimx8mq.dtb
  
  	mkdir -p ${ROOTFS_BASE}/usr/share/images/desktop-base/
  	install -m 0644 ${G_EMBEDIAN_PATH}/wallpaper.png \
  		${ROOTFS_BASE}/usr/share/images/desktop-base/default
  
  ## added alsa default configs ##
  	install -m 0644 ${G_EMBEDIAN_PATH}/asound.state ${ROOTFS_BASE}/var/lib/alsa/
  	install -m 0644 ${G_EMBEDIAN_PATH}/asound.conf ${ROOTFS_BASE}/etc/
  
  ## Revert regular booting
  	rm -f ${ROOTFS_BASE}/usr/sbin/policy-rc.d
  
  ## install kernel modules in rootfs
  	install_kernel_modules ${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_LINUX_KERNEL_DEF_CONFIG} ${G_LINUX_KERNEL_SRC_DIR} ${ROOTFS_BASE} || {
  		pr_error "Failed #$? in function install_kernel_modules"
  		return 2;
  	}
  
  ## copy all kernel headers for development
  	mkdir -p ${ROOTFS_BASE}/usr/local/src/linux-imx/drivers/staging/android/uapi
  	cp ${G_LINUX_KERNEL_SRC_DIR}/drivers/staging/android/uapi/* ${ROOTFS_BASE}/usr/local/src/linux-imx/drivers/staging/android/uapi
  	cp -r ${G_LINUX_KERNEL_SRC_DIR}/include ${ROOTFS_BASE}/usr/local/src/linux-imx/
  
  ## copy custom files
  	cp ${G_EMBEDIAN_PATH}/10-imx.rules ${ROOTFS_BASE}/etc/udev/rules.d
  	cp ${G_EMBEDIAN_PATH}/${SOM}/*.rules ${ROOTFS_BASE}/etc/udev/rules.d
  
  
  ## clenup command
  echo "#!/bin/bash
  apt-get clean
  rm -f cleanup
  " > cleanup
  
  	# clean all packages
  	pr_info "rootfs: clean"
  	chmod +x cleanup
  	chroot ${ROOTFS_BASE} /cleanup
  	umount ${ROOTFS_BASE}/{sys,proc,dev/pts,dev}
  
  ## kill latest dbus-daemon instance due to qemu-aarch64-static
  	QEMU_PROC_ID=$(ps axf | grep dbus-daemon | grep qemu-aarch64-static | awk '{print $1}')
  	if [ -n "$QEMU_PROC_ID" ]
  	then
  		kill -9 $QEMU_PROC_ID
  	fi
  
  	rm ${ROOTFS_BASE}/usr/bin/qemu-aarch64-static
  
  	return 0;
  }
  
  # make tarbar arx from footfs
  # $1 -- packet folder
  # $2 -- output arx full name
  function make_tarbar() {
  	cd $1
  
  	chown root:root .
  	pr_info "make tarbar arx from folder ${1}"
  	pr_info "Remove old arx $2"
  	rm $2 > /dev/null 2>&1 && :;
  
  	pr_info "Create $2"
  
  	tar czf $2 .
  	success=$?
  	[ $success -eq 0 ] || {
  	# fail
  	    rm $2 > /dev/null 2>&1 && :;
  	};
  
  	cd -
  }
  
  # make linux kernel modules
  # $1 -- cross compiler prefix
  # $2 -- linux defconfig file
  # $3 -- linux dtb files
  # $4 -- linux dirname
  # $5 -- out path
  function make_kernel() {
  	pr_info "make kernel .config"
  	make ARCH=arm64 CROSS_COMPILE=${1} ${G_CROSS_COMPILER_JOPTION} -C ${4}/ ${2}
  
  	pr_info "make kernel"
  	make CROSS_COMPILE=${1} ARCH=arm64 ${G_CROSS_COMPILER_JOPTION} -C ${4}/ Image
  
  	pr_info "make ${3}"
  	make CROSS_COMPILE=${1} ARCH=arm64 ${G_CROSS_COMPILER_JOPTION} -C ${4} ${3}
  
  	pr_info "Copy kernel and dtb files to output dir: ${5}"
  	cp ${4}/arch/arm64/boot/Image ${5}/;
  	cp ${4}/arch/arm64/boot/dts/embedian/*.dtb ${5}/;
  
  	return 0;
  }
  
  # clean kernel
  # $1 -- linux dir path
  function clean_kernel() {
  	pr_info "Clean linux kernel"
  
  	make ARCH=arm64 -C ${1}/ mrproper
  
  	return 0;
  }
  
  # make linux kernel modules
  # $1 -- cross compiler prefix
  # $2 -- linux defconfig file
  # $3 -- linux dirname
  # $4 -- out modules path
  function make_kernel_modules() {
  	pr_info "make kernel defconfig"
  	make ARCH=arm64 CROSS_COMPILE=${1} ${G_CROSS_COMPILER_JOPTION} -C ${3} ${2}
  
  	pr_info "Compiling kernel modules"
  	make ARCH=arm64 CROSS_COMPILE=${1} ${G_CROSS_COMPILER_JOPTION} -C ${3} modules
  }
  
  # install linux kernel modules
  # $1 -- cross compiler prefix
  # $2 -- linux defconfig file
  # $3 -- linux dirname
  # $4 -- out modules path
  function install_kernel_modules() {
  	pr_info "Installing kernel headers to ${4}"
  	make ARCH=arm64 CROSS_COMPILE=${1} ${G_CROSS_COMPILER_JOPTION} -C ${3} INSTALL_HDR_PATH=${4}/usr/local headers_install
  
  	pr_info "Installing kernel modules to ${4}"
  	make ARCH=arm64 CROSS_COMPILE=${1} ${G_CROSS_COMPILER_JOPTION} -C ${3} INSTALL_MOD_PATH=${4} modules_install
  
  	return 0;
  }
  
  # make uboot
  # $1 uboot path
  # $2 outputdir
  function make_uboot() {
  ### make emmc uboot ###
  	pr_info "Make SPL & u-boot: ${G_UBOOT_DEF_CONFIG}"
  	# clean work directory
  	make ARCH=arm64 -C ${1} CROSS_COMPILE=${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_CROSS_COMPILER_JOPTION} mrproper
  
  	# make uboot config for mmc
  	make ARCH=arm64 -C ${1} CROSS_COMPILE=${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_CROSS_COMPILER_JOPTION} ${G_UBOOT_DEF_CONFIG}
  
  	# make uboot
  	make -C ${1} CROSS_COMPILE=${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_CROSS_COMPILER_JOPTION}
  
  	if [ "${SOM}" = "smarc-imx8m" ]; then
  		HDMI=yes
  		UBOOT_DTB="fsl-smarcimx8mq.dtb"
  	fi
  
  	# Copy u-boot, SPL and DTB
  	cd ${G_EMBEDIAN_PATH}/${SOM}/imx-mkimage
  	rm -f iMX8M/u-boot* iMX8M/*.dtb
  	cp ${1}/u-boot.bin ${1}/u-boot-nodtb.bin ${1}/spl/u-boot-spl.bin ${1}/arch/arm/dts/${UBOOT_DTB} iMX8M/
  
  	# Build final image
  	if [ "${HDMI}" = "yes" ]; then
          	make CROSS_COMPILE=${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_CROSS_COMPILER_JOPTION} SOC=iMX8M flash_hdmi_spl_uboot
  	else
                  make CROSS_COMPILE=${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_CROSS_COMPILER_JOPTION} SOC=iMX8M flash_spl_uboot
  	fi
  
  	# copy images
  	cp iMX8M/flash.bin ${2}/${G_UBOOT_NAME}
  
  	return 0;
  }
  
  # clean uboot
  # $1 -- u-boot dir path
  function clean_uboot() {
  	pr_info "Clean uboot"
  
  	make ARCH=arm64 -C ${1}/ mrproper
  
  	return 0;
  }
  
  # make sdcard for device
  # $1 -- block device
  function check_sdcard()
  {
  	# Check that parameter is a valid block device
  	if [ ! -b "$1" ]; then
  		pr_error "$1 is not a valid block device, exiting"
  		return 1
  	fi
  
  	local dev=$(basename $1)
  
  	# Check that /sys/block/$dev exists
  	if [ ! -d /sys/block/$dev ]; then
  		pr_error "Directory /sys/block/${dev} missing, exiting"
  		return 1
  	fi
  
  	# Get device parameters
  	local removable=$(cat /sys/block/${dev}/removable)
  	local block_size=$(cat /sys/class/block/${dev}/queue/physical_block_size)
  	local size_bytes=$((${block_size}*$(cat /sys/class/block/${dev}/size)))
  	local size_gib=$(bc <<< "scale=1; ${size_bytes}/(1024*1024*1024)")
  
  	# non removable SD card readers require additional check
  	if [ "${removable}" != "1" ]; then
  		local drive=$(udisksctl info -b /dev/${dev}|grep "Drive:"|cut -d"'" -f 2)
  		local mediaremovable=$(gdbus call --system --dest org.freedesktop.UDisks2 --object-path ${drive} --method org.freedesktop.DBus.Properties.Get org.freedesktop.UDisks2.Drive MediaRemovable)
  		if [[ "${mediaremovable}" = *"true"* ]]; then
  			removable=1
  		fi
  	fi
  
  	# Check that device is either removable or loop
  	if [ "$removable" != "1" -a $(stat -c '%t' /dev/$dev) != ${LOOP_MAJOR} ]; then
  		pr_error "$1 is not a removable device, exiting"
  		return 1
  	fi
  
  	# Check that device is attached
  	if [ ${size_bytes} -eq 0 ]; then
  		pr_error "$1 is not attached, exiting"
  		return 1
  	fi
  
  	pr_info "Device: ${LPARAM_BLOCK_DEVICE}, ${size_gib}GiB"
  	pr_info "================================================"
  	read -p "Press Enter to continue"
  
  	return 0
  }
  
  # make sdcard for device
  # $1 -- block device
  # $2 -- output images dir
  function make_sdcard() {
  	readonly local LPARAM_BLOCK_DEVICE=${1}
  	readonly local LPARAM_OUTPUT_DIR=${2}
  	readonly local P1_MOUNT_DIR="${G_TMP_DIR}/p1"
          readonly local P2_MOUNT_DIR="${G_TMP_DIR}/p2"
  	readonly local DEBIAN_IMAGES_TO_ROOTFS_POINT="opt/images/Debian"
  
  	readonly local BOOTLOAD_RESERVE_SIZE=2
  	readonly local PART1_SIZE=48
  	readonly local BOOTPART=1
  	readonly local ROOTFSPART=2
  	readonly local SPARE_SIZE=4
  
  	[ "${LPARAM_BLOCK_DEVICE}" = "na" ] && {
  		pr_warning "No valid block device: ${LPARAM_BLOCK_DEVICE}"
  		return 1;
  	};
  
  	local part=""
  	if [ `echo ${LPARAM_BLOCK_DEVICE} | grep -c mmcblk` -ne 0 ]; then
  		part="p"
  	fi
  
  	# Check that we're using a valid device
  	if ! check_sdcard ${LPARAM_BLOCK_DEVICE}; then
  		return 1
  	fi
  
  	for ((i=0; i<10; i++))
  	do
  		if [ `mount | grep -c ${LPARAM_BLOCK_DEVICE}${part}$i` -ne 0 ]; then
  			umount ${LPARAM_BLOCK_DEVICE}${part}$i
  		fi
  	done
  
  	function format_sdcard
  	{
  		pr_info "Formating SDCARD partitions"
  		mkfs.vfat -F 16 ${LPARAM_BLOCK_DEVICE}${part}1 -n boot
  		mkfs.ext4 ${LPARAM_BLOCK_DEVICE}${part}2 -L rootfs
  	}
  
  	function flash_u-boot
  	{
  		pr_info "Flashing U-Boot"
  		dd if=${LPARAM_OUTPUT_DIR}/${G_UBOOT_NAME} of=${LPARAM_BLOCK_DEVICE} bs=1K seek=33; sync
  	}
  
  	function flash_sdcard
  	{
  		pr_info "Flashing \"Image, device tree and rootfs\" partition"
  		cp -v ${LPARAM_OUTPUT_DIR}/Image ${P1_MOUNT_DIR}/
  		mkdir -p ${P1_MOUNT_DIR}/dtbs/
  		cp -v ${LPARAM_OUTPUT_DIR}/fsl-smarcimx8mq${DISPLAY}.dtb ${P1_MOUNT_DIR}/dtbs/fsl-smarcimx8mq.dtb
  		cp -v ${G_EMBEDIAN_PATH}/uEnv.txt ${P1_MOUNT_DIR}/
  		tar -xpf ${LPARAM_OUTPUT_DIR}/${DEF_ROOTFS_TARBAR_NAME} -C ${P2_MOUNT_DIR}/
  	}
  
  	function copy_debian_images
  	{
  		mkdir -p ${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}
  
  		pr_info "Copying Debian images to /${DEBIAN_IMAGES_TO_ROOTFS_POINT}"
  		cp ${LPARAM_OUTPUT_DIR}/${DEF_ROOTFS_TARBAR_NAME}	${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}/${DEF_ROOTFS_TARBAR_NAME}
  
  		pr_info "Copying U-Boot to /${DEBIAN_IMAGES_TO_ROOTFS_POINT}"
  		cp ${LPARAM_OUTPUT_DIR}/${G_UBOOT_NAME}	${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}/
  
                  pr_info "Copying Image and device tree files to /${DEBIAN_IMAGES_TO_ROOTFS_POINT}"
                  cp ${LPARAM_OUTPUT_DIR}/Image ${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}/
                  cp ${LPARAM_OUTPUT_DIR}/*.dtb ${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}/
                  cp ${G_EMBEDIAN_PATH}/uEnv_emmc.txt    ${P2_MOUNT_DIR}/${DEBIAN_IMAGES_TO_ROOTFS_POINT}/uEnv.txt
  
  		return 0;
  	}
  
  	function copy_scripts
  	{
  		pr_info "Copying scripts to /${DEBIAN_IMAGES_TO_ROOTFS_POINT}"
  		cp ${G_EMBEDIAN_PATH}/debian-emmc.sh	${P2_MOUNT_DIR}/usr/sbin/
  	}
  
  	function ceildiv
  	{
  		local num=$1
  		local div=$2
  		echo $(( (num + div - 1) / div ))
  	}
  
  	# Delete the partitions
  	for ((i=0; i<10; i++))
  	do
  		if [ `ls ${LPARAM_BLOCK_DEVICE}${part}$i 2> /dev/null | grep -c ${LPARAM_BLOCK_DEVICE}${part}$i` -ne 0 ]; then
  			dd if=/dev/zero of=${LPARAM_BLOCK_DEVICE}${part}$i bs=512 count=1024
  		fi
  	done
  	sync
  
  	((echo d; echo 1; echo d; echo 2; echo d; echo 3; echo d; echo w) | fdisk ${LPARAM_BLOCK_DEVICE} &> /dev/null) || true
  	sync
  
  	dd if=/dev/zero of=${LPARAM_BLOCK_DEVICE} bs=1024 count=4096
  	sleep 2; sync;
  
  	pr_info "Creating new partitions"
  
  	# Create a new partition table
  
  	# Get total card size
  	TOTAL_SIZE=`fdisk -s ${LPARAM_BLOCK_DEVICE}`
  	TOTAL_SIZE=`expr ${TOTAL_SIZE} / 1024`
  	ROOTFS_SIZE=`expr ${TOTAL_SIZE} - ${BOOTLOAD_RESERVE_SIZE} - ${PART1_SIZE} - ${SPARE_SIZE}`
  
  	pr_info "ROOT SIZE=${ROOTFS_SIZE} TOTAl SIZE=${TOTAL_SIZE}"
  
  	BLOCK=`echo ${LPARAM_BLOCK_DEVICE} | cut -d "/" -f 3`
  	SECT_SIZE_BYTES=`cat /sys/block/${BLOCK}/queue/physical_block_size`
  
  	BOOTLOAD_RESERVE_SIZE_BYTES=$((BOOTLOAD_RESERVE_SIZE * 1024 * 1024))
  	PART1_SIZE_BYTES=$((PART1_SIZE * 1024 * 1024))
  	PART1_END_BYTES=`expr ${BOOTLOAD_RESERVE_SIZE_BYTES} + ${PART1_SIZE_BYTES}`
  	ROOTFS_SIZE_BYTES=$((ROOTFS_SIZE * 1024 * 1024))
  
  	PART1_FIRST_SECT=`ceildiv ${BOOTLOAD_RESERVE_SIZE_BYTES} ${SECT_SIZE_BYTES}`
  	PART1_END_SECT=`ceildiv ${PART1_END_BYTES} ${SECT_SIZE_BYTES}`
  	PART2_FIRST_SECT=`expr ${PART1_END_SECT} + 1 `
  
  	(echo n; echo p; echo $BOOTPART; echo $PART1_FIRST_SECT; \
  	 echo $PART1_END_SECT; echo n; echo p; echo $ROOTFSPART; \
  	 echo $PART2_FIRST_SECT; echo; echo p; echo w) | fdisk -u ${LPARAM_BLOCK_DEVICE} > /dev/null 
  
  	sleep 2; sync;
  	fdisk -l ${LPARAM_BLOCK_DEVICE}
  
  	sleep 2; sync;
  
  	# Format the partitions
  	format_sdcard
  	sleep 2; sync;
  
  	flash_u-boot
  	sleep 2; sync;
  
  	# Mount the partitions
  	mkdir -p ${P1_MOUNT_DIR}
  	mkdir -p ${P2_MOUNT_DIR}
  	sync
  
  	mount ${LPARAM_BLOCK_DEVICE}${part}1  ${P1_MOUNT_DIR}
  	mount ${LPARAM_BLOCK_DEVICE}${part}2  ${P2_MOUNT_DIR}
  	sleep 2; sync;
  
  	flash_sdcard
  	copy_debian_images
  	copy_scripts
  
  	pr_info "Sync sdcard..."
  	sync
  	umount ${P1_MOUNT_DIR}
  	umount ${P2_MOUNT_DIR}
  
  	rm -rf ${P1_MOUNT_DIR}
  	rm -rf ${P2_MOUNT_DIR}
  
  	pr_info "Done make sdcard!"
  
  	return 0;
  }
  
  #################### commands ################
  
  function cmd_make_deploy() {
  	make_prepare;
  
  	# get linaro toolchain
  	(( `ls ${G_CROSS_COMPILER_PATH} 2>/dev/null | wc -l` == 0 )) && {
  		pr_info "Get and unpack cross compiler";
  		get_remote_file ${G_EXT_CROSS_COMPILER_LINK} ${DEF_SRC_DIR}/${G_CROSS_COMPILER_ARCHIVE}
  		tar -xJf ${DEF_SRC_DIR}/${G_CROSS_COMPILER_ARCHIVE} -C ${G_TOOLS_PATH}/
  	};
  
  	# get uboot repository
  	(( `ls ${G_UBOOT_SRC_DIR} 2>/dev/null | wc -l` == 0 )) && {
  		pr_info "Get uboot repository";
  		get_git_src ${G_UBOOT_GIT} ${G_UBOOT_BRANCH} ${G_UBOOT_SRC_DIR} ${G_UBOOT_REV}
  	};
  
  	# get kernel repository
  	(( `ls ${G_LINUX_KERNEL_SRC_DIR} 2>/dev/null | wc -l` == 0 )) && {
  		pr_info "Get kernel repository";
  		get_git_src ${G_LINUX_KERNEL_GIT} ${G_LINUX_KERNEL_BRANCH} ${G_LINUX_KERNEL_SRC_DIR} ${G_LINUX_KERNEL_REV}
  		cd ${G_LINUX_KERNEL_SRC_DIR}
  		git am < ${G_EMBEDIAN_PATH}/patches/kernel/0001-vivante-gpu-revert-to-6.2.4.p1-driver.patch
  		git am < ${G_EMBEDIAN_PATH}/patches/kernel/0001-smarc-imx8m-compile-imx-sdma-driver-as-module.patch
  		cd -
  	};
  
  	return 0;
  }
  
  function cmd_make_rootfs() {
  	make_prepare;
  
  	## make debian rootfs
  	cd ${G_ROOTFS_DIR}
  	make_debian_rootfs ${G_ROOTFS_DIR} || {
  		pr_error "Failed #$? in function make_debian_rootfs"
  		cd -;
  		return 1;
  	}
  	cd -
  
  	## pack rootfs
  	make_tarbar ${G_ROOTFS_DIR} ${G_ROOTFS_TARBAR_PATH} || {
  		pr_error "Failed #$? in function make_tarbar"
  		return 4;
  	}
  
  	return 0;
  }
  
  function cmd_make_uboot() {
  	make_uboot ${G_UBOOT_SRC_DIR} ${PARAM_OUTPUT_DIR} || {
  		pr_error "Failed #$? in function make_uboot"
  		return 1;
  	};
  
  	return 0;
  }
  
  function cmd_make_kernel() {
  	make_kernel ${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_LINUX_KERNEL_DEF_CONFIG} "${G_LINUX_DTB}" ${G_LINUX_KERNEL_SRC_DIR} ${PARAM_OUTPUT_DIR} || {
  		pr_error "Failed #$? in function make_kernel"
  		return 1;
  	};
  
  	return 0;
  }
  
  function cmd_make_kmodules() {
  	make_prepare;
  
  	rm -rf ${G_ROOTFS_DIR}/lib/modules/* || {
  		pr_error "Failed #$? prepare modules dir"
  		return 1;
  	};
  
  	make_kernel_modules ${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_LINUX_KERNEL_DEF_CONFIG} ${G_LINUX_KERNEL_SRC_DIR} ${G_ROOTFS_DIR} || {
  		pr_error "Failed #$? in function make_kernel_modules"
  		return 2;
  	};
  
  	install_kernel_modules ${G_CROSS_COMPILER_PATH}/${G_CROSS_COMPILER_PREFIX} ${G_LINUX_KERNEL_DEF_CONFIG} ${G_LINUX_KERNEL_SRC_DIR} ${G_ROOTFS_DIR} || {
  		pr_error "Failed #$? in function install_kernel_modules"
  		return 2;
  	};
  
  	return 0;
  }
  
  function cmd_make_rfs_tar() {
  	## pack rootfs
  	make_tarbar ${G_ROOTFS_DIR} ${G_ROOTFS_TARBAR_PATH} || {
  		pr_error "Failed #$? in function make_tarbar"
  		return 1;
  	}
  
  	return 0;
  }
  
  function cmd_make_sdcard() {
  	make_sdcard ${PARAM_BLOCK_DEVICE} ${PARAM_OUTPUT_DIR} || {
  		pr_error "Failed #$? in function make_sdcard"
  		return 1;
  	};
  
  	return 0;
  }
  
  function cmd_make_clean() {
  
  	## clean kernel, dtb, modules
  	clean_kernel ${G_LINUX_KERNEL_SRC_DIR} || {
  		pr_error "Failed #$? in function clean_kernel"
  		return 1;
  	};
  
  	## clean u-boot
  	clean_uboot ${G_UBOOT_SRC_DIR} || {
  		pr_error "Failed #$? in function clean_uboot"
  		return 2;
  	};
  
  	## delete tmp dirs and etc
  	pr_info "Delete tmp dir ${G_TMP_DIR}"
  	rm -rf ${G_TMP_DIR} && :;
  
  	pr_info "Delete rootfs dir ${G_ROOTFS_DIR}"
  	rm -rf ${G_ROOTFS_DIR} && :;
  
  	return 0;
  }
  
  #################### main function #######################
  
  ## test for root access support (msrc not allowed)
  [ "$PARAM_CMD" != "deploy" ] && [ "$PARAM_CMD" != "bootloader" ] && [ "$PARAM_CMD" != "kernel" ] && [ "$PARAM_CMD" != "modules" ] && [ ${EUID} -ne 0 ] && {
  	pr_error "this command must be run as root (or sudo/su)"
  	exit 1;
  };
  
  V_RET_CODE=0;
  
  pr_info "Command: \"$PARAM_CMD\" start..."
  
  case $PARAM_CMD in
  	deploy )
  		cmd_make_deploy || {
  			V_RET_CODE=1;
  		};
  		;;
  	rootfs )
  		cmd_make_rootfs || {
  			V_RET_CODE=1;
  		};
  		;;
  	bootloader )
  		cmd_make_uboot || {
  			V_RET_CODE=1;
  		}
  		;;
  	kernel )
  		cmd_make_kernel || {
  			V_RET_CODE=1;
  		};
  		;;
  	modules )
  		cmd_make_kmodules || {
  			V_RET_CODE=1;
  		};
  		;;
  	sdcard )
  		cmd_make_sdcard || {
  			V_RET_CODE=1;
  		};
  		;;
  	rtar )
  		cmd_make_rfs_tar || {
  			V_RET_CODE=1;
  		};
  		;;
  	all )
  		(cmd_make_uboot  &&
  		 cmd_make_kernel &&
  		 cmd_make_kmodules &&
  		 cmd_make_rootfs) || {
  			V_RET_CODE=1;
  		};
  		;;
  	clean )
  		cmd_make_clean || {
  			V_RET_CODE=1;
  		};
  		;;
  	* )
  		pr_error "Invalid input command: \"${PARAM_CMD}\"";
  		V_RET_CODE=1;
  		;;
  esac
  
  pr_info ""
  pr_info "Command: \"$PARAM_CMD\" end. Exit code: ${V_RET_CODE}"
  pr_info ""
  
  
  exit ${V_RET_CODE};