Raspi2-3_GenImage Commit - r766:e5cd0e674ff8 · Collaboration Tremplin des Sciences

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#!/bin/sh

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#!/bin/bash

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########################################################################

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########################################################################

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# rpi23-gen-image.sh 2015-2017

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# rpi23-gen-image.sh 2015-2017

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#

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#

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# Advanced Debian "stretch" and "buster" bootstrap script for Raspberry Pi

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# Advanced Debian "stretch" and "buster" bootstrap script for Raspberry Pi

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#

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#

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# This program is free software; you can redistribute it and/or

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# This program is free software; you can redistribute it and/or

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# modify it under the terms of the GNU General Public License

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# modify it under the terms of the GNU General Public License

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# as published by the Free Software Foundation; either version 2

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# as published by the Free Software Foundation; either version 2

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# of the License, or (at your option) any later version.

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# of the License, or (at your option) any later version.

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#

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#

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#

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#

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# Big thanks for patches and enhancements by 20+ github contributors!

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# Big thanks for patches and enhancements by 20+ github contributors!

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########################################################################

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########################################################################

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# Are we running as root?

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# Are we running as root?

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if [ "$(id -u)" -ne "0" ] ; then

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if [ "$(id -u)" -ne "0" ] ; then

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echo "error: this script must be executed with root privileges!"

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echo "error: this script must be executed with root privileges!"

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exit 1

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exit 1

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fi

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fi

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# Check if ./functions.sh script exists

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# Check if ./functions.sh script exists

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if [ ! -r "./functions.sh" ] ; then

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if [ ! -r "./functions.sh" ] ; then

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echo "error: './functions.sh' required script not found!"

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echo "error: './functions.sh' required script not found!"

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exit 1

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exit 1

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fi

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fi

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# Load utility functions

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# Load utility functions

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. ./functions.sh

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. ./functions.sh

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# Load parameters from configuration template file

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# Load parameters from configuration template file

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if [ -n "$CONFIG_TEMPLATE" ] ; then

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if [ -n "$CONFIG_TEMPLATE" ] ; then

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use_template

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use_template

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fi

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fi

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# Introduce settings

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# Introduce settings

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set -e

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set -e

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echo -n -e "\n#\n# RPi 0/1/2/3/4 Bootstrap Settings\n#\n"

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echo -n -e "\n#\n# RPi 0/1/2/3/4 Bootstrap Settings\n#\n"

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set -x

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set -x

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# Raspberry Pi model configuration

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# Raspberry Pi model configuration

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RPI_MODEL=${RPI_MODEL:=3P}

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RPI_MODEL=${RPI_MODEL:=3P}

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# Debian release

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# Debian release

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RELEASE=${RELEASE:=buster}

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RELEASE=${RELEASE:=buster}

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if [ $RELEASE = "bullseye" ] ; then

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if [ $RELEASE = "bullseye" ] ; then

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RELEASE=testing

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RELEASE=testing

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fi

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fi

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# Kernel Branch

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# Kernel Branch

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KERNEL_BRANCH=${KERNEL_BRANCH:=""}

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KERNEL_BRANCH=${KERNEL_BRANCH:=""}

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# URLs

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# URLs

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KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}

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KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}

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FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}

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FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}

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WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}

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WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}

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FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}

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FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}

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UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}

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UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}

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VIDEOCORE_URL=${VIDEOCORE_URL:=https://github.com/raspberrypi/userland}

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VIDEOCORE_URL=${VIDEOCORE_URL:=https://github.com/raspberrypi/userland}

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BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}

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BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}

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NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}

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NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}

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SYSTEMDSWAP_URL=${SYSTEMDSWAP_URL:=https://github.com/Nefelim4ag/systemd-swap.git}

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SYSTEMDSWAP_URL=${SYSTEMDSWAP_URL:=https://github.com/Nefelim4ag/systemd-swap.git}

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# Kernel deb packages for 32bit kernel

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# Kernel deb packages for 32bit kernel

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RPI_32_KERNEL_URL=${RPI_32_KERNEL_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel_20180422-141901_armhf.deb}

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RPI_32_KERNEL_URL=${RPI_32_KERNEL_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel_20180422-141901_armhf.deb}

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RPI_32_KERNELHEADER_URL=${RPI_32_KERNELHEADER_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel-headers_20180422-141901_armhf.deb}

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RPI_32_KERNELHEADER_URL=${RPI_32_KERNELHEADER_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel-headers_20180422-141901_armhf.deb}

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# Kernel has KVM and zswap enabled - use if KERNEL_* parameters and precompiled kernel are used

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# Kernel has KVM and zswap enabled - use if KERNEL_* parameters and precompiled kernel are used

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RPI3_64_BIS_KERNEL_URL=${RPI3_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel-bis/releases/download/4.19.102.20200211/bcmrpi3-kernel-bis-4.19.102.20200211.tar.xz}

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RPI3_64_BIS_KERNEL_URL=${RPI3_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel-bis/releases/download/4.19.102.20200211/bcmrpi3-kernel-bis-4.19.102.20200211.tar.xz}

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# Default precompiled 64bit kernel

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# Default precompiled 64bit kernel

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RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel/releases/download/4.19.102.20200211/bcmrpi3-kernel-4.19.102.20200211.tar.xz}

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RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel/releases/download/4.19.102.20200211/bcmrpi3-kernel-4.19.102.20200211.tar.xz}

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# Sakaki BIS Kernel RPI4 - https://github.com/sakaki-/bcm2711-kernel-bis

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# Sakaki BIS Kernel RPI4 - https://github.com/sakaki-/bcm2711-kernel-bis

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RPI4_64_BIS_KERNEL_URL=${RPI4_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}

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RPI4_64_BIS_KERNEL_URL=${RPI4_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}

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# Default precompiled 64bit kernel - https://github.com/sakaki-/bcm2711-kernel

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# Default precompiled 64bit kernel - https://github.com/sakaki-/bcm2711-kernel

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RPI4_64_DEF_KERNEL_URL=${RPI4_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}

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RPI4_64_DEF_KERNEL_URL=${RPI4_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}

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# Generic

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# Generic

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RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_DEF_KERNEL_URL}

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RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_DEF_KERNEL_URL}

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RPI4_64_KERNEL_URL=${RPI4_64_KERNEL_URL:=$RPI4_64_DEF_KERNEL_URL}

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RPI4_64_KERNEL_URL=${RPI4_64_KERNEL_URL:=$RPI4_64_DEF_KERNEL_URL}

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# Kali kernel src - used if ENABLE_NEXMON=true (they patch the wlan kernel modul)

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# Kali kernel src - used if ENABLE_NEXMON=true (they patch the wlan kernel modul)

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KALI_KERNEL_URL=${KALI_KERNEL_URL:=https://github.com/Re4son/re4son-raspberrypi-linux.git}

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KALI_KERNEL_URL=${KALI_KERNEL_URL:=https://github.com/Re4son/re4son-raspberrypi-linux.git}

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# Build directories

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# Build directories

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WORKDIR=$(pwd)

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WORKDIR=$(pwd)

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BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}

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BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}

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BUILDDIR="${BASEDIR}/build"

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BUILDDIR="${BASEDIR}/build"

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# Chroot directories

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# Chroot directories

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R="${BUILDDIR}/chroot"

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R="${BUILDDIR}/chroot"

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ETC_DIR="${R}/etc"

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ETC_DIR="${R}/etc"

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LIB_DIR="${R}/lib"

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LIB_DIR="${R}/lib"

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BOOT_DIR="${R}/boot/firmware"

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BOOT_DIR="${R}/boot/firmware"

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KERNEL_DIR="${R}/usr/src/linux"

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KERNEL_DIR="${R}/usr/src/linux"

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WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"

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WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"

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BLUETOOTH_FIRMWARE_DIR="${ETC_DIR}/firmware/bt"

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BLUETOOTH_FIRMWARE_DIR="${ETC_DIR}/firmware/bt"

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# APT settings

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# APT settings

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APT_SERVER=${APT_SERVER:="ftp.debian.org"}

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APT_SERVER=${APT_SERVER:="ftp.debian.org"}

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APT_PROXY=${APT_PROXY:=""}

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APT_PROXY=${APT_PROXY:=""}

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KEEP_APT_PROXY=${KEEP_APT_PROXY:=false}

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KEEP_APT_PROXY=${KEEP_APT_PROXY:=false}

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# Packages required in the chroot build environment

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# Packages required in the chroot build environment

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APT_INCLUDES=${APT_INCLUDES:=""}

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APT_INCLUDES=${APT_INCLUDES:=""}

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APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"

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APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"

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# Packages to exclude from chroot build environment

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# Packages to exclude from chroot build environment

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APT_EXCLUDES=${APT_EXCLUDES:=""}

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APT_EXCLUDES=${APT_EXCLUDES:=""}

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# General settings

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# General settings

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SET_ARCH=${SET_ARCH:=32}

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SET_ARCH=${SET_ARCH:=32}

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HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}

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HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}

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DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}

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DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}

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TIMEZONE=${TIMEZONE:="Europe/Berlin"}

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TIMEZONE=${TIMEZONE:="Europe/Berlin"}

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EXPANDROOT=${EXPANDROOT:=true}

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EXPANDROOT=${EXPANDROOT:=true}

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ENABLE_ROOT=${ENABLE_ROOT:=false}

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ENABLE_ROOT=${ENABLE_ROOT:=false}

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ROOT_PASSWORD=${ROOT_PASSWORD:=raspberry}

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ROOT_PASSWORD=${ROOT_PASSWORD:=raspberry}

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ENABLE_USER=${ENABLE_USER:=true}

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ENABLE_USER=${ENABLE_USER:=true}

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USER_NAME=${USER_NAME:="pi"}

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USER_NAME=${USER_NAME:="pi"}

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USER_PASSWORD=${USER_PASSWORD:=raspberry}

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USER_PASSWORD=${USER_PASSWORD:=raspberry}

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# Keyboard settings

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# Keyboard settings

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XKB_MODEL=${XKB_MODEL:=""}

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XKB_MODEL=${XKB_MODEL:=""}

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XKB_LAYOUT=${XKB_LAYOUT:=""}

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XKB_LAYOUT=${XKB_LAYOUT:=""}

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XKB_VARIANT=${XKB_VARIANT:=""}

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XKB_VARIANT=${XKB_VARIANT:=""}

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XKB_OPTIONS=${XKB_OPTIONS:=""}

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XKB_OPTIONS=${XKB_OPTIONS:=""}

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# Networking settings:

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# Networking settings:

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ENABLE_IPV6=${ENABLE_IPV6:=true}

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ENABLE_IPV6=${ENABLE_IPV6:=true}

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ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}

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ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}

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ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}

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ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}

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ENABLE_HARDNET=${ENABLE_HARDNET:=false}

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ENABLE_HARDNET=${ENABLE_HARDNET:=false}

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ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}

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ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}

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# Network settings (DHCP)

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# Network settings (DHCP)

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ENABLE_ETH_DHCP=${ENABLE_ETH_DHCP:=true}

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ENABLE_ETH_DHCP=${ENABLE_ETH_DHCP:=true}

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ENABLE_WIFI_DHCP=${ENABLE_ETH_DHCP:=true}

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ENABLE_WIFI_DHCP=${ENABLE_ETH_DHCP:=true}

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# Network settings (static)

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# Network settings (static)

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NET_ETH_ADDRESS=${NET_ETH_ADDRESS:=""}

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NET_ETH_ADDRESS=${NET_ETH_ADDRESS:=""}

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NET_ETH_GATEWAY=${NET_ETH_GATEWAY:=""}

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NET_ETH_GATEWAY=${NET_ETH_GATEWAY:=""}

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NET_ETH_DNS_1=${NET_ETH_DNS_1:=""}

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NET_ETH_DNS_1=${NET_ETH_DNS_1:=""}

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NET_ETH_DNS_2=${NET_ETH_DNS_2:=""}

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NET_ETH_DNS_2=${NET_ETH_DNS_2:=""}

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NET_ETH_DNS_DOMAINS=${NET_ETH_DNS_DOMAINS:=""}

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NET_ETH_DNS_DOMAINS=${NET_ETH_DNS_DOMAINS:=""}

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NET_ETH_NTP_1=${NET_ETH_NTP_1:=""}

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NET_ETH_NTP_1=${NET_ETH_NTP_1:=""}

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NET_ETH_NTP_2=${NET_ETH_NTP_2:=""}

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NET_ETH_NTP_2=${NET_ETH_NTP_2:=""}

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# Networking settings (WIFI):

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# Networking settings (WIFI):

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NET_WIFI_SSID=${NET_WIFI_SSID:=""}

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NET_WIFI_SSID=${NET_WIFI_SSID:=""}

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NET_WIFI_PSK=${NET_WIFI_PSK:=""}

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NET_WIFI_PSK=${NET_WIFI_PSK:=""}

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# Network settings (static)

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# Network settings (static)

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NET_WIFI_ADDRESS=${NET_WIFI_ADDRESS:=""}

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NET_WIFI_ADDRESS=${NET_WIFI_ADDRESS:=""}

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NET_WIFI_GATEWAY=${NET_WIFI_GATEWAY:=""}

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NET_WIFI_GATEWAY=${NET_WIFI_GATEWAY:=""}

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NET_WIFI_DNS_1=${NET_WIFI_DNS_1:=""}

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NET_WIFI_DNS_1=${NET_WIFI_DNS_1:=""}

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NET_WIFI_DNS_2=${NET_WIFI_DNS_2:=""}

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NET_WIFI_DNS_2=${NET_WIFI_DNS_2:=""}

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NET_WIFI_DNS_DOMAINS=${NET_WIFI_DNS_DOMAINS:=""}

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NET_WIFI_DNS_DOMAINS=${NET_WIFI_DNS_DOMAINS:=""}

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NET_WIFI_NTP_1=${NET_WIFI_NTP_1:=""}

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NET_WIFI_NTP_1=${NET_WIFI_NTP_1:=""}

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NET_WIFI_NTP_2=${NET_WIFI_NTP_2:=""}

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NET_WIFI_NTP_2=${NET_WIFI_NTP_2:=""}

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# Feature settings

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# Feature settings

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ENABLE_CONSOLE=${ENABLE_CONSOLE:=false}

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ENABLE_CONSOLE=${ENABLE_CONSOLE:=false}

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ENABLE_PRINTK=${ENABLE_PRINTK:=false}

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ENABLE_PRINTK=${ENABLE_PRINTK:=false}

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ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}

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ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}

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ENABLE_MINIUART_OVERLAY=${ENABLE_MINIUART_OVERLAY:=false}

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ENABLE_MINIUART_OVERLAY=${ENABLE_MINIUART_OVERLAY:=false}

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ENABLE_TURBO=${ENABLE_TURBO:=false}

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ENABLE_TURBO=${ENABLE_TURBO:=false}

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ENABLE_I2C=${ENABLE_I2C:=false}

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ENABLE_I2C=${ENABLE_I2C:=false}

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ENABLE_SPI=${ENABLE_SPI:=false}

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ENABLE_SPI=${ENABLE_SPI:=false}

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ENABLE_NONFREE=${ENABLE_NONFREE:=false}

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ENABLE_NONFREE=${ENABLE_NONFREE:=false}

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ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}

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ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}

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ENABLE_SOUND=${ENABLE_SOUND:=false}

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ENABLE_SOUND=${ENABLE_SOUND:=false}

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ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}

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ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}

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ENABLE_MINGPU=${ENABLE_MINGPU:=false}

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ENABLE_MINGPU=${ENABLE_MINGPU:=false}

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ENABLE_XORG=${ENABLE_XORG:=false}

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ENABLE_XORG=${ENABLE_XORG:=false}

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ENABLE_WM=${ENABLE_WM:=""}

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ENABLE_WM=${ENABLE_WM:=""}

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ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}

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ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}

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ENABLE_SPLASH=${ENABLE_SPLASH:=true}

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ENABLE_SPLASH=${ENABLE_SPLASH:=true}

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ENABLE_LOGO=${ENABLE_LOGO:=true}

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ENABLE_LOGO=${ENABLE_LOGO:=true}

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ENABLE_SILENT_BOOT=${ENABLE_SILENT_BOOT=false}

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ENABLE_SILENT_BOOT=${ENABLE_SILENT_BOOT=false}

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DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}

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DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}

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# Advanced settings

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# Advanced settings

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ENABLE_DPHYSSWAP=${ENABLE_DPHYSSWAP:=true}

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ENABLE_DPHYSSWAP=${ENABLE_DPHYSSWAP:=true}

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ENABLE_SYSTEMDSWAP=${ENABLE_SYSTEMDSWAP:=false}

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ENABLE_SYSTEMDSWAP=${ENABLE_SYSTEMDSWAP:=false}

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ENABLE_QEMU=${ENABLE_QEMU:=false}

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ENABLE_QEMU=${ENABLE_QEMU:=false}

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ENABLE_KEYGEN=${ENABLE_KEYGEN:=false}

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ENABLE_KEYGEN=${ENABLE_KEYGEN:=false}

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ENABLE_MINBASE=${ENABLE_MINBASE:=false}

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ENABLE_MINBASE=${ENABLE_MINBASE:=false}

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ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}

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ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}

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ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}

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ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}

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ENABLE_DBUS=${ENABLE_DBUS:=true}

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ENABLE_DBUS=${ENABLE_DBUS:=true}

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ENABLE_USBBOOT=${ENABLE_USBBOOT=false}

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ENABLE_USBBOOT=${ENABLE_USBBOOT=false}

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CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}

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CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}

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ENABLE_UBOOT=${ENABLE_UBOOT:=false}

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ENABLE_UBOOT=${ENABLE_UBOOT:=false}

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UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}

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UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}

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ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}

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ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}

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FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}

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FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}

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ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}

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ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}

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VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}

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VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}

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ENABLE_NEXMON=${ENABLE_NEXMON:=false}

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ENABLE_NEXMON=${ENABLE_NEXMON:=false}

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NEXMONSRC_DIR=${NEXMONSRC_DIR:=""}

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NEXMONSRC_DIR=${NEXMONSRC_DIR:=""}

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# SSH settings

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# SSH settings

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SSH_ENABLE=${SSH_ENABLE:=true}

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SSH_ENABLE=${SSH_ENABLE:=true}

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SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}

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SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}

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SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}

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SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}

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SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}

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SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}

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SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}

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SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}

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SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}

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SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}

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# Kernel compilation settings

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# Kernel compilation settings

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BUILD_KERNEL=${BUILD_KERNEL:=true}

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BUILD_KERNEL=${BUILD_KERNEL:=true}

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KERNEL_THREADS=${KERNEL_THREADS:=1}

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KERNEL_THREADS=${KERNEL_THREADS:=1}

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KERNEL_HEADERS=${KERNEL_HEADERS:=true}

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KERNEL_HEADERS=${KERNEL_HEADERS:=true}

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KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}

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KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}

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KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}

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KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}

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KERNEL_CCACHE=${KERNEL_CCACHE:=false}

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KERNEL_CCACHE=${KERNEL_CCACHE:=false}

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KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}

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KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}

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KERNELSRC_DIR=${KERNELSRC_DIR:=""}

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KERNELSRC_DIR=${KERNELSRC_DIR:=""}

217

KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}

217

KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}

218

KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}

218

KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}

219

KERNELSRC_USRCONFIG=${KERNELSRC_USRCONFIG:=""}

219

KERNELSRC_USRCONFIG=${KERNELSRC_USRCONFIG:=""}

220

KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}

220

KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}

221

# Firmware directory: Blank if download from github

221

# Firmware directory: Blank if download from github

222

RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}

222

RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}

223

KERNEL_DEFAULT_GOV=${KERNEL_DEFAULT_GOV:=ondemand}

223

KERNEL_DEFAULT_GOV=${KERNEL_DEFAULT_GOV:=ondemand}

224

KERNEL_NF=${KERNEL_NF:=false}

224

KERNEL_NF=${KERNEL_NF:=false}

225

KERNEL_VIRT=${KERNEL_VIRT:=false}

225

KERNEL_VIRT=${KERNEL_VIRT:=false}

226

KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}

226

KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}

227

KERNEL_BPF=${KERNEL_BPF:=false}

227

KERNEL_BPF=${KERNEL_BPF:=false}

228

KERNEL_SECURITY=${KERNEL_SECURITY:=false}

228

KERNEL_SECURITY=${KERNEL_SECURITY:=false}

229

KERNEL_BTRFS=${KERNEL_BTRFS:=false}

229

KERNEL_BTRFS=${KERNEL_BTRFS:=false}

230

KERNEL_POEHAT=${KERNEL_POEHAT:=false}

230

KERNEL_POEHAT=${KERNEL_POEHAT:=false}

231

KERNEL_NSPAN=${KERNEL_NSPAN:=false}

231

KERNEL_NSPAN=${KERNEL_NSPAN:=false}

232

KERNEL_DHKEY=${KERNEL_DHKEY:=true}

232

KERNEL_DHKEY=${KERNEL_DHKEY:=true}

233

234

# Reduce disk usage settings

234

# Reduce disk usage settings

235

ENABLE_REDUCE=${ENABLE_REDUCE:=false}

235

ENABLE_REDUCE=${ENABLE_REDUCE:=false}

236

REDUCE_APT=${REDUCE_APT:=true}

236

REDUCE_APT=${REDUCE_APT:=true}

237

REDUCE_DOC=${REDUCE_DOC:=false}

237

REDUCE_DOC=${REDUCE_DOC:=false}

238

REDUCE_MAN=${REDUCE_MAN:=false}

238

REDUCE_MAN=${REDUCE_MAN:=false}

239

REDUCE_VIM=${REDUCE_VIM:=false}

239

REDUCE_VIM=${REDUCE_VIM:=false}

240

REDUCE_BASH=${REDUCE_BASH:=false}

240

REDUCE_BASH=${REDUCE_BASH:=false}

241

REDUCE_HWDB=${REDUCE_HWDB:=false}

241

REDUCE_HWDB=${REDUCE_HWDB:=false}

242

REDUCE_SSHD=${REDUCE_SSHD:=false}

242

REDUCE_SSHD=${REDUCE_SSHD:=false}

243

REDUCE_LOCALE=${REDUCE_LOCALE:=false}

243

REDUCE_LOCALE=${REDUCE_LOCALE:=false}

244

REDUCE_KERNEL=${REDUCE_KERNEL:=false}

244

REDUCE_KERNEL=${REDUCE_KERNEL:=false}

245

246

# Encrypted filesystem settings

246

# Encrypted filesystem settings

247

ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}

247

ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}

248

CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}

248

CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}

249

CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}

249

CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}

250

CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64"}

250

CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64"}

251

CRYPTFS_HASH=${CRYPTFS_HASH:="sha256"}

251

CRYPTFS_HASH=${CRYPTFS_HASH:="sha256"}

252

CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=256}

252

CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=256}

253

#Dropbear-initramfs supports unlocking encrypted filesystem via SSH on bootup

253

#Dropbear-initramfs supports unlocking encrypted filesystem via SSH on bootup

254

CRYPTFS_DROPBEAR=${CRYPTFS_DROPBEAR:=false}

254

CRYPTFS_DROPBEAR=${CRYPTFS_DROPBEAR:=false}

255

#Provide your own Dropbear Public RSA-OpenSSH Key otherwise it will be generated

255

#Provide your own Dropbear Public RSA-OpenSSH Key otherwise it will be generated

256

CRYPTFS_DROPBEAR_PUBKEY=${CRYPTFS_DROPBEAR_PUBKEY:=""}

256

CRYPTFS_DROPBEAR_PUBKEY=${CRYPTFS_DROPBEAR_PUBKEY:=""}

257

258

# Packages required for bootstrapping

258

# Packages required for bootstrapping

259

REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus bison flex libssl-dev sudo"

259

REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus bison flex libssl-dev sudo"

260

MISSING_PACKAGES=""

260

MISSING_PACKAGES=""

261

262

# Packages installed for c/c++ build environment in chroot (keep empty)

262

# Packages installed for c/c++ build environment in chroot (keep empty)

263

COMPILER_PACKAGES=""

263

COMPILER_PACKAGES=""

264

265

# Check if apt-cacher-ng has port 3142 open and set APT_PROXY

265

# Check if apt-cacher-ng has port 3142 open and set APT_PROXY

266

APT_CACHER_RUNNING=$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')

266

APT_CACHER_RUNNING=$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')

267

if [ "${APT_CACHER_RUNNING}" = "apt-cacher-ng" ] ; then

267

if [ "${APT_CACHER_RUNNING}" = "apt-cacher-ng" ] ; then

268

APT_PROXY=http://127.0.0.1:3142/

268

APT_PROXY=http://127.0.0.1:3142/

269

fi

269

fi

270

271

# Setup architecture specific settings

271

# Setup architecture specific settings

272

if [ -n "$SET_ARCH" ] ; then

272

if [ -n "$SET_ARCH" ] ; then

273

# 64-bit configuration

273

# 64-bit configuration

274

if [ "$SET_ARCH" = 64 ] ; then

274

if [ "$SET_ARCH" = 64 ] ; then

275

# General 64-bit depended settings

275

# General 64-bit depended settings

276

QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}

276

QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}

277

KERNEL_ARCH=${KERNEL_ARCH:=arm64}

277

KERNEL_ARCH=${KERNEL_ARCH:=arm64}

278

KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}

278

KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}

279

280

# Raspberry Pi model specific settings

280

# Raspberry Pi model specific settings

281

if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

281

if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

282

if [ "$RPI_MODEL" != 4 ] ; then

282

if [ "$RPI_MODEL" != 4 ] ; then

283

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}

283

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}

284

else

284

else

285

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}

285

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}

286

fi

286

fi

287

288

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"

288

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"

289

RELEASE_ARCH=${RELEASE_ARCH:=arm64}

289

RELEASE_ARCH=${RELEASE_ARCH:=arm64}

290

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}

290

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}

291

CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}

291

CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}

292

else

292

else

293

echo "error: Only Raspberry PI 3, 3B+ and 4 support 64-bit"

293

echo "error: Only Raspberry PI 3, 3B+ and 4 support 64-bit"

294

exit 1

294

exit 1

295

fi

295

fi

296

fi

296

fi

297

298

# 32-bit configuration

298

# 32-bit configuration

299

if [ "$SET_ARCH" = 32 ] ; then

299

if [ "$SET_ARCH" = 32 ] ; then

300

# General 32-bit dependend settings

300

# General 32-bit dependend settings

301

QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}

301

QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}

302

KERNEL_ARCH=${KERNEL_ARCH:=arm}

302

KERNEL_ARCH=${KERNEL_ARCH:=arm}

303

KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}

303

KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}

304

305

# Raspberry Pi model specific settings

305

# Raspberry Pi model specific settings

306

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then

306

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then

307

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"

307

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"

308

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}

308

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}

309

RELEASE_ARCH=${RELEASE_ARCH:=armel}

309

RELEASE_ARCH=${RELEASE_ARCH:=armel}

310

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}

310

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}

311

CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}

311

CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}

312

313

if [ $ENABLE_XORG = true ] ; then

313

if [ $ENABLE_XORG = true ] ; then

314

if [$RELEASE = "stretch" ] || [$RELEASE = "oldstable" ] ; then

314

if [$RELEASE = "stretch" ] || [$RELEASE = "oldstable" ] ; then

315

printf "\nBest support for armel architecture is provided under Debian stretch/oldstable. Choose yes to change release to Debian stretch[y/n] "

315

printf "\nBest support for armel architecture is provided under Debian stretch/oldstable. Choose yes to change release to Debian stretch[y/n] "

316

read -r confirm

316

read -r confirm

317

if [ "$confirm" = "y" ] ; then

317

if [ "$confirm" = "y" ] ; then

318

$RELEASE = "stretch"

318

$RELEASE = "stretch"

319

fi

319

fi

320

fi

320

fi

321

fi

321

fi

322

fi

322

fi

323

# Raspberry Pi model specific settings

323

# Raspberry Pi model specific settings

324

if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

324

if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

325

if [ "$RPI_MODEL" != 4 ] ; then

325

if [ "$RPI_MODEL" != 4 ] ; then

326

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}

326

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}

327

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}

327

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}

328

else

328

else

329

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}

329

KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}

330

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7l.img}

330

KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7l.img}

331

fi

331

fi

332

333

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"

333

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"

334

RELEASE_ARCH=${RELEASE_ARCH:=armhf}

334

RELEASE_ARCH=${RELEASE_ARCH:=armhf}

335

336

CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}

336

CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}

337

fi

337

fi

338

fi

338

fi

339

# SET_ARCH not set

339

# SET_ARCH not set

340

else

340

else

341

echo "error: Please set '32' or '64' as value for SET_ARCH"

341

echo "error: Please set '32' or '64' as value for SET_ARCH"

342

exit 1

342

exit 1

343

fi

343

fi

344

# Device specific configuration and U-Boot configuration

344

# Device specific configuration and U-Boot configuration

345

case "$RPI_MODEL" in

345

case "$RPI_MODEL" in

346

0)

346

0)

347

DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}

347

DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}

348

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

348

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

349

;;

349

;;

350

1)

350

1)

351

DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}

351

DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}

352

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

352

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

353

;;

353

;;

354

1P)

354

1P)

355

DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}

355

DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}

356

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

356

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}

357

;;

357

;;

358

2)

358

2)

359

DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}

359

DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}

360

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}

360

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}

361

;;

361

;;

362

3)

362

3)

363

DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}

363

DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}

364

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}

364

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}

365

;;

365

;;

366

3P)

366

3P)

367

DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}

367

DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}

368

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}

368

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}

369

;;

369

;;

370

4)

370

4)

371

DTB_FILE=${DTB_FILE:=bcm2711-rpi-4-b.dtb}

371

DTB_FILE=${DTB_FILE:=bcm2711-rpi-4-b.dtb}

372

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_4_defconfig}

372

UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_4_defconfig}

373

;;

373

;;

374

*)

374

*)

375

echo "error: Raspberry Pi model $RPI_MODEL is not supported!"

375

echo "error: Raspberry Pi model $RPI_MODEL is not supported!"

376

exit 1

376

exit 1

377

;;

377

;;

378

esac

378

esac

379

380

# Raspberry PI 0,3,3P with Bluetooth and Wifi onboard

380

# Raspberry PI 0,3,3P with Bluetooth and Wifi onboard

381

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

381

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then

382

# Include bluetooth packages on supported boards

382

# Include bluetooth packages on supported boards

383

if [ "$ENABLE_BLUETOOTH" = true ] ; then

383

if [ "$ENABLE_BLUETOOTH" = true ] ; then

384

APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"

384

APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"

385

fi

385

fi

386

if [ "$ENABLE_WIRELESS" = true ] ; then

386

if [ "$ENABLE_WIRELESS" = true ] ; then

387

APT_INCLUDES="${APT_INCLUDES},wireless-tools,crda,wireless-regdb,wpasupplicant"

387

APT_INCLUDES="${APT_INCLUDES},wireless-tools,crda,wireless-regdb,wpasupplicant"

388

fi

388

fi

389

else # Raspberry PI 1,1P,2 without Wifi and bluetooth onboard

389

else # Raspberry PI 1,1P,2 without Wifi and bluetooth onboard

390

# Check if the internal wireless interface is not supported by the RPi model

390

# Check if the internal wireless interface is not supported by the RPi model

391

if [ "$ENABLE_WIRELESS" = true ] || [ "$ENABLE_BLUETOOTH" = true ]; then

391

if [ "$ENABLE_WIRELESS" = true ] || [ "$ENABLE_BLUETOOTH" = true ]; then

392

echo "error: The selected Raspberry Pi model has no integrated interface for wireless or bluetooth"

392

echo "error: The selected Raspberry Pi model has no integrated interface for wireless or bluetooth"

393

exit 1

393

exit 1

394

fi

394

fi

395

fi

395

fi

396

397

if [ "$BUILD_KERNEL" = false ] && [ "$ENABLE_NEXMON" = true ]; then

397

if [ "$BUILD_KERNEL" = false ] && [ "$ENABLE_NEXMON" = true ]; then

398

echo "error: You have to compile kernel sources, if you want to enable nexmon"

398

echo "error: You have to compile kernel sources, if you want to enable nexmon"

399

exit 1

399

exit 1

400

fi

400

fi

401

402

# Prepare date string for default image file name

402

# Prepare date string for default image file name

403

DATE="$(date +%Y-%m-%d)"

403

DATE="$(date +%Y-%m-%d)"

404

if [ -z "$KERNEL_BRANCH" ] ; then

404

if [ -z "$KERNEL_BRANCH" ] ; then

405

IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

405

IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

406

else

406

else

407

IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

407

IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

408

fi

408

fi

409

410

# Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported

410

# Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported

411

if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then

411

if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then

412

if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then

412

if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then

413

echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"

413

echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"

414

exit 1

414

exit 1

415

fi

415

fi

416

fi

416

fi

417

418

# Add cmake to compile videocore sources

418

# Add cmake to compile videocore sources

419

if [ "$ENABLE_VIDEOCORE" = true ] ; then

419

if [ "$ENABLE_VIDEOCORE" = true ] ; then

420

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"

420

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"

421

fi

421

fi

422

423

# Add deps for nexmon

423

# Add deps for nexmon

424

if [ "$ENABLE_NEXMON" = true ] ; then

424

if [ "$ENABLE_NEXMON" = true ] ; then

425

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libgmp3-dev gawk qpdf make autoconf automake build-essential libtool"

425

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libgmp3-dev gawk qpdf make autoconf automake build-essential libtool"

426

fi

426

fi

427

428

# Add libncurses5 to enable kernel menuconfig

428

# Add libncurses5 to enable kernel menuconfig

429

if [ "$KERNEL_MENUCONFIG" = true ] ; then

429

if [ "$KERNEL_MENUCONFIG" = true ] ; then

430

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"

430

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"

431

fi

431

fi

432

433

# Add ccache compiler cache for (faster) kernel cross (re)compilation

433

# Add ccache compiler cache for (faster) kernel cross (re)compilation

434

if [ "$KERNEL_CCACHE" = true ] ; then

434

if [ "$KERNEL_CCACHE" = true ] ; then

435

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"

435

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"

436

fi

436

fi

437

438

# Add cryptsetup package to enable filesystem encryption

438

# Add cryptsetup package to enable filesystem encryption

439

if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then

439

if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then

440

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"

440

REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"

441

APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup,cryptsetup-initramfs"

441

APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup,cryptsetup-initramfs"

442

443

# If cryptfs,dropbear and initramfs are enabled include dropbear-initramfs package

443

# If cryptfs,dropbear and initramfs are enabled include dropbear-initramfs package

444

if [ "$CRYPTFS_DROPBEAR" = true ] && [ "$ENABLE_INITRAMFS" = true ]; then

444

if [ "$CRYPTFS_DROPBEAR" = true ] && [ "$ENABLE_INITRAMFS" = true ]; then

445

APT_INCLUDES="${APT_INCLUDES},dropbear-initramfs"

445

APT_INCLUDES="${APT_INCLUDES},dropbear-initramfs"

446

fi

446

fi

447

448

if [ -z "$CRYPTFS_PASSWORD" ] ; then

448

if [ -z "$CRYPTFS_PASSWORD" ] ; then

449

echo "error: no password defined (CRYPTFS_PASSWORD)!"

449

echo "error: no password defined (CRYPTFS_PASSWORD)!"

450

exit 1

450

exit 1

451

fi

451

fi

452

ENABLE_INITRAMFS=true

452

ENABLE_INITRAMFS=true

453

fi

453

fi

454

455

# Add initramfs generation tools

455

# Add initramfs generation tools

456

if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then

456

if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then

457

APT_INCLUDES="${APT_INCLUDES},initramfs-tools"

457

APT_INCLUDES="${APT_INCLUDES},initramfs-tools"

458

fi

458

fi

459

460

# Add device-tree-compiler required for building the U-Boot bootloader

460

# Add device-tree-compiler required for building the U-Boot bootloader

461

if [ "$ENABLE_UBOOT" = true ] ; then

461

if [ "$ENABLE_UBOOT" = true ] ; then

462

APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bc"

462

APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bc"

463

fi

463

fi

464

465

if [ "$ENABLE_USBBOOT" = true ] ; then

465

if [ "$ENABLE_USBBOOT" = true ] ; then

466

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 2 ]; then

466

if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 2 ]; then

467

echo "error: Booting from USB alone is only supported by Raspberry Pi 3 and 3P"

467

echo "error: Booting from USB alone is only supported by Raspberry Pi 3 and 3P"

468

exit 1

468

exit 1

469

fi

469

fi

470

fi

470

fi

471

472

# Check if root SSH (v2) public key file exists

472

# Check if root SSH (v2) public key file exists

473

if [ -n "$SSH_ROOT_PUB_KEY" ] ; then

473

if [ -n "$SSH_ROOT_PUB_KEY" ] ; then

474

if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then

474

if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then

475

echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"

475

echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"

476

exit 1

476

exit 1

477

fi

477

fi

478

fi

478

fi

479

480

# Check if $USER_NAME SSH (v2) public key file exists

480

# Check if $USER_NAME SSH (v2) public key file exists

481

if [ -n "$SSH_USER_PUB_KEY" ] ; then

481

if [ -n "$SSH_USER_PUB_KEY" ] ; then

482

if [ ! -f "$SSH_USER_PUB_KEY" ] ; then

482

if [ ! -f "$SSH_USER_PUB_KEY" ] ; then

483

echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"

483

echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"

484

exit 1

484

exit 1

485

fi

485

fi

486

fi

486

fi

487

488

if [ "$ENABLE_NEXMON" = true ] && [ -n "$KERNEL_BRANCH" ] ; then

488

if [ "$ENABLE_NEXMON" = true ] && [ -n "$KERNEL_BRANCH" ] ; then

489

echo "error: Please unset KERNEL_BRANCH if using ENABLE_NEXMON"

489

echo "error: Please unset KERNEL_BRANCH if using ENABLE_NEXMON"

490

exit 1

490

exit 1

491

fi

491

fi

492

493

# Check if all required packages are installed on the build system

493

# Check if all required packages are installed on the build system

494

for package in $REQUIRED_PACKAGES ; do

494

for package in $REQUIRED_PACKAGES ; do

495

if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then

495

if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then

496

MISSING_PACKAGES="${MISSING_PACKAGES} $package"

496

MISSING_PACKAGES="${MISSING_PACKAGES} $package"

497

fi

497

fi

498

done

498

done

499

500

# If there are missing packages ask confirmation for install, or exit

500

# If there are missing packages ask confirmation for install, or exit

501

if [ -n "$MISSING_PACKAGES" ] ; then

501

if [ -n "$MISSING_PACKAGES" ] ; then

502

echo "the following packages needed by this script are not installed:"

502

echo "the following packages needed by this script are not installed:"

503

echo "$MISSING_PACKAGES"

503

echo "$MISSING_PACKAGES"

504

505

printf "\ndo you want to install the missing packages right now? [y/n] "

505

printf "\ndo you want to install the missing packages right now? [y/n] "

506

read -r confirm

506

read -r confirm

507

[ "$confirm" != "y" ] && exit 1

507

[ "$confirm" != "y" ] && exit 1

508

509

# Make sure all missing required packages are installed

509

# Make sure all missing required packages are installed

510

apt-get update && apt-get -qq -y install `echo "${MISSING_PACKAGES}" | sed "s/ //"`

510

apt-get update && apt-get -qq -y install `echo "${MISSING_PACKAGES}" | sed "s/ //"`

511

fi

511

fi

512

513

# Check if ./bootstrap.d directory exists

513

# Check if ./bootstrap.d directory exists

514

if [ ! -d "./bootstrap.d/" ] ; then

514

if [ ! -d "./bootstrap.d/" ] ; then

515

echo "error: './bootstrap.d' required directory not found!"

515

echo "error: './bootstrap.d' required directory not found!"

516

exit 1

516

exit 1

517

fi

517

fi

518

519

# Check if ./files directory exists

519

# Check if ./files directory exists

520

if [ ! -d "./files/" ] ; then

520

if [ ! -d "./files/" ] ; then

521

echo "error: './files' required directory not found!"

521

echo "error: './files' required directory not found!"

522

exit 1

522

exit 1

523

fi

523

fi

524

525

# Check if specified KERNELSRC_DIR directory exists

525

# Check if specified KERNELSRC_DIR directory exists

526

if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then

526

if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then

527

echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"

527

echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"

528

exit 1

528

exit 1

529

fi

529

fi

530

531

# Check if specified UBOOTSRC_DIR directory exists

531

# Check if specified UBOOTSRC_DIR directory exists

532

if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then

532

if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then

533

echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"

533

echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"

534

exit 1

534

exit 1

535

fi

535

fi

536

537

# Check if specified VIDEOCORESRC_DIR directory exists

537

# Check if specified VIDEOCORESRC_DIR directory exists

538

if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then

538

if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then

539

echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"

539

echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"

540

exit 1

540

exit 1

541

fi

541

fi

542

543

# Check if specified FBTURBOSRC_DIR directory exists

543

# Check if specified FBTURBOSRC_DIR directory exists

544

if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then

544

if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then

545

echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"

545

echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"

546

exit 1

546

exit 1

547

fi

547

fi

548

549

# Check if specified NEXMONSRC_DIR directory exists

549

# Check if specified NEXMONSRC_DIR directory exists

550

if [ -n "$NEXMONSRC_DIR" ] && [ ! -d "$NEXMONSRC_DIR" ] ; then

550

if [ -n "$NEXMONSRC_DIR" ] && [ ! -d "$NEXMONSRC_DIR" ] ; then

551

echo "error: '${NEXMONSRC_DIR}' specified directory not found (NEXMONSRC_DIR)!"

551

echo "error: '${NEXMONSRC_DIR}' specified directory not found (NEXMONSRC_DIR)!"

552

exit 1

552

exit 1

553

fi

553

fi

554

555

# Check if specified CHROOT_SCRIPTS directory exists

555

# Check if specified CHROOT_SCRIPTS directory exists

556

if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then

556

if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then

557

echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"

557

echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"

558

exit 1

558

exit 1

559

fi

559

fi

560

561

# Check if specified device mapping already exists (will be used by cryptsetup)

561

# Check if specified device mapping already exists (will be used by cryptsetup)

562

if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then

562

if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then

563

echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"

563

echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"

564

exit 1

564

exit 1

565

fi

565

fi

566

567

# Don't clobber an old build

567

# Don't clobber an old build

568

if [ -e "$BUILDDIR" ] ; then

568

if [ -e "$BUILDDIR" ] ; then

569

echo "error: directory ${BUILDDIR} already exists, not proceeding"

569

echo "error: directory ${BUILDDIR} already exists, not proceeding"

570

exit 1

570

exit 1

571

fi

571

fi

572

573

# Setup chroot directory

573

# Setup chroot directory

574

mkdir -p "${R}"

574

mkdir -p "${R}"

575

576

# Check if build directory has enough of free disk space >512MB

576

# Check if build directory has enough of free disk space >512MB

577

if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then

577

if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then

578

echo "error: ${BUILDDIR} not enough space left to generate the output image!"

578

echo "error: ${BUILDDIR} not enough space left to generate the output image!"

579

exit 1

579

exit 1

580

fi

580

fi

581

582

set -x

582

set -x

583

584

# Call "cleanup" function on various signals and errors

584

# Call "cleanup" function on various signals and errors

585

trap cleanup 0 1 2 3 6

585

trap cleanup 0 1 2 3 6

586

587

# Add required packages for the minbase installation

587

# Add required packages for the minbase installation

588

if [ "$ENABLE_MINBASE" = true ] ; then

588

if [ "$ENABLE_MINBASE" = true ] ; then

589

APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"

589

APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"

590

fi

590

fi

591

592

# Add parted package, required to get partprobe utility

592

# Add parted package, required to get partprobe utility

593

if [ "$EXPANDROOT" = true ] ; then

593

if [ "$EXPANDROOT" = true ] ; then

594

APT_INCLUDES="${APT_INCLUDES},parted"

594

APT_INCLUDES="${APT_INCLUDES},parted"

595

fi

595

fi

596

597

# Add dphys-swapfile package, required to enable swap

597

# Add dphys-swapfile package, required to enable swap

598

if [ "$ENABLE_DPHYSSWAP" = true ] ; then

598

if [ "$ENABLE_DPHYSSWAP" = true ] ; then

599

APT_INCLUDES="${APT_INCLUDES},dphys-swapfile"

599

APT_INCLUDES="${APT_INCLUDES},dphys-swapfile"

600

fi

600

fi

601

602

# Add dbus package, recommended if using systemd

602

# Add dbus package, recommended if using systemd

603

if [ "$ENABLE_DBUS" = true ] ; then

603

if [ "$ENABLE_DBUS" = true ] ; then

604

APT_INCLUDES="${APT_INCLUDES},dbus"

604

APT_INCLUDES="${APT_INCLUDES},dbus"

605

fi

605

fi

606

607

# Add iptables IPv4/IPv6 package

607

# Add iptables IPv4/IPv6 package

608

if [ "$ENABLE_IPTABLES" = true ] ; then

608

if [ "$ENABLE_IPTABLES" = true ] ; then

609

APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"

609

APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"

610

fi

610

fi

611

# Add apparmor for KERNEL_SECURITY

611

# Add apparmor for KERNEL_SECURITY

612

if [ "$KERNEL_SECURITY" = true ] ; then

612

if [ "$KERNEL_SECURITY" = true ] ; then

613

APT_INCLUDES="${APT_INCLUDES},apparmor,apparmor-utils,apparmor-profiles,apparmor-profiles-extra,libapparmor-perl"

613

APT_INCLUDES="${APT_INCLUDES},apparmor,apparmor-utils,apparmor-profiles,apparmor-profiles-extra,libapparmor-perl"

614

fi

614

fi

615

616

# Add openssh server package

616

# Add openssh server package

617

if [ "$SSH_ENABLE" = true ] ; then

617

if [ "$SSH_ENABLE" = true ] ; then

618

APT_INCLUDES="${APT_INCLUDES},openssh-server"

618

APT_INCLUDES="${APT_INCLUDES},openssh-server"

619

fi

619

fi

620

621

# Add alsa-utils package

621

# Add alsa-utils package

622

if [ "$ENABLE_SOUND" = true ] ; then

622

if [ "$ENABLE_SOUND" = true ] ; then

623

APT_INCLUDES="${APT_INCLUDES},alsa-utils"

623

APT_INCLUDES="${APT_INCLUDES},alsa-utils"

624

fi

624

fi

625

626

# Add rng-tools package

626

# Add rng-tools package

627

if [ "$ENABLE_HWRANDOM" = true ] ; then

627

if [ "$ENABLE_HWRANDOM" = true ] ; then

628

APT_INCLUDES="${APT_INCLUDES},rng-tools"

628

APT_INCLUDES="${APT_INCLUDES},rng-tools"

629

fi

629

fi

630

631

# Add fbturbo video driver

631

# Add fbturbo video driver

632

if [ "$ENABLE_FBTURBO" = true ] ; then

632

if [ "$ENABLE_FBTURBO" = true ] ; then

633

# Enable xorg package dependencies

633

# Enable xorg package dependencies

634

ENABLE_XORG=true

634

ENABLE_XORG=true

635

fi

635

fi

636

637

# Add user defined window manager package

637

# Add user defined window manager package

638

if [ -n "$ENABLE_WM" ] ; then

638

if [ -n "$ENABLE_WM" ] ; then

639

APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"

639

APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"

640

641

# Enable xorg package dependencies

641

# Enable xorg package dependencies

642

ENABLE_XORG=true

642

ENABLE_XORG=true

643

fi

643

fi

644

645

# Add xorg package

645

# Add xorg package

646

if [ "$ENABLE_XORG" = true ] ; then

646

if [ "$ENABLE_XORG" = true ] ; then

647

APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"

647

APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"

648

fi

648

fi

649

650

# Replace selected packages with smaller clones

650

# Replace selected packages with smaller clones

651

if [ "$ENABLE_REDUCE" = true ] ; then

651

if [ "$ENABLE_REDUCE" = true ] ; then

652

# Add levee package instead of vim-tiny

652

# Add levee package instead of vim-tiny

653

if [ "$REDUCE_VIM" = true ] ; then

653

if [ "$REDUCE_VIM" = true ] ; then

654

APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"

654

APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"

655

fi

655

fi

656

657

# Add dropbear package instead of openssh-server

657

# Add dropbear package instead of openssh-server

658

if [ "$REDUCE_SSHD" = true ] ; then

658

if [ "$REDUCE_SSHD" = true ] ; then

659

APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"

659

APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"

660

fi

660

fi

661

fi

661

fi

662

663

# Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available

663

# Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available

664

if [ "$ENABLE_SYSVINIT" = false ] ; then

664

if [ "$ENABLE_SYSVINIT" = false ] ; then

665

APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"

665

APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"

666

fi

666

fi

667

668

# Configure kernel sources if no KERNELSRC_DIR

668

# Configure kernel sources if no KERNELSRC_DIR

669

if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then

669

if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then

670

KERNELSRC_CONFIG=true

670

KERNELSRC_CONFIG=true

671

fi

671

fi

672

673

# Configure reduced kernel

673

# Configure reduced kernel

674

if [ "$KERNEL_REDUCE" = true ] ; then

674

if [ "$KERNEL_REDUCE" = true ] ; then

675

KERNELSRC_CONFIG=false

675

KERNELSRC_CONFIG=false

676

fi

676

fi

677

678

# Configure qemu compatible kernel

678

# Configure qemu compatible kernel

679

if [ "$ENABLE_QEMU" = true ] ; then

679

if [ "$ENABLE_QEMU" = true ] ; then

680

DTB_FILE=vexpress-v2p-ca15_a7.dtb

680

DTB_FILE=vexpress-v2p-ca15_a7.dtb

681

UBOOT_CONFIG=vexpress_ca15_tc2_defconfig

681

UBOOT_CONFIG=vexpress_ca15_tc2_defconfig

682

KERNEL_DEFCONFIG="vexpress_defconfig"

682

KERNEL_DEFCONFIG="vexpress_defconfig"

683

if [ "$KERNEL_MENUCONFIG" = false ] ; then

683

if [ "$KERNEL_MENUCONFIG" = false ] ; then

684

KERNEL_OLDDEFCONFIG=true

684

KERNEL_OLDDEFCONFIG=true

685

fi

685

fi

686

fi

686

fi

687

688

# Execute bootstrap scripts

688

# Execute bootstrap scripts

689

for SCRIPT in bootstrap.d/*.sh; do

689

for SCRIPT in bootstrap.d/*.sh; do

690

head -n 3 "$SCRIPT"

690

head -n 3 "$SCRIPT"

691

. "$SCRIPT"

691

. "$SCRIPT"

692

done

692

done

693

694

## Execute custom bootstrap scripts

694

## Execute custom bootstrap scripts

695

if [ -d "custom.d" ] ; then

695

if [ -d "custom.d" ] ; then

696

for SCRIPT in custom.d/*.sh; do

696

for SCRIPT in custom.d/*.sh; do

697

. "$SCRIPT"

697

. "$SCRIPT"

698

done

698

done

699

fi

699

fi

700

701

# Execute custom scripts inside the chroot

701

# Execute custom scripts inside the chroot

702

if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then

702

if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then

703

cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"

703

cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"

704

chroot_exec /bin/bash -x <<'EOF'

704

chroot_exec /bin/bash -x <<'EOF'

705

for SCRIPT in /chroot_scripts/* ; do

705

for SCRIPT in /chroot_scripts/* ; do

706

if [ -f $SCRIPT -a -x $SCRIPT ] ; then

706

if [ -f $SCRIPT -a -x $SCRIPT ] ; then

707

$SCRIPT

707

$SCRIPT

708

fi

708

fi

709

done

709

done

710

EOF

710

EOF

711

rm -rf "${R}/chroot_scripts"

711

rm -rf "${R}/chroot_scripts"

712

fi

712

fi

713

714

# Remove c/c++ build environment from the chroot

714

# Remove c/c++ build environment from the chroot

715

chroot_remove_cc

715

chroot_remove_cc

716

717

# Generate required machine-id

717

# Generate required machine-id

718

MACHINE_ID=$(dbus-uuidgen)

718

MACHINE_ID=$(dbus-uuidgen)

719

echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"

719

echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"

720

echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"

720

echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"

721

722

# APT Cleanup

722

# APT Cleanup

723

chroot_exec apt-get -y clean

723

chroot_exec apt-get -y clean

724

chroot_exec apt-get -y autoclean

724

chroot_exec apt-get -y autoclean

725

chroot_exec apt-get -y autoremove

725

chroot_exec apt-get -y autoremove

726

727

# Unmount mounted filesystems

727

# Unmount mounted filesystems

728

umount -l "${R}/proc"

728

umount -l "${R}/proc"

729

umount -l "${R}/sys"

729

umount -l "${R}/sys"

730

731

# Clean up directories

731

# Clean up directories

732

rm -rf "${R}/run/*"

732

rm -rf "${R}/run/*"

733

rm -rf "${R}/tmp/*"

733

rm -rf "${R}/tmp/*"

734

735

# Clean up APT proxy settings

735

# Clean up APT proxy settings

736

if [ "$KEEP_APT_PROXY" = false ] ; then

736

if [ "$KEEP_APT_PROXY" = false ] ; then

737

rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"

737

rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"

738

fi

738

fi

739

740

# Clean up files

740

# Clean up files

741

rm -f "${ETC_DIR}/ssh/ssh_host_*"

741

rm -f "${ETC_DIR}/ssh/ssh_host_*"

742

rm -f "${ETC_DIR}/dropbear/dropbear_*"

742

rm -f "${ETC_DIR}/dropbear/dropbear_*"

743

rm -f "${ETC_DIR}/apt/sources.list.save"

743

rm -f "${ETC_DIR}/apt/sources.list.save"

744

rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"

744

rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"

745

rm -f "${ETC_DIR}/*-"

745

rm -f "${ETC_DIR}/*-"

746

rm -f "${ETC_DIR}/resolv.conf"

746

rm -f "${ETC_DIR}/resolv.conf"

747

rm -f "${R}/root/.bash_history"

747

rm -f "${R}/root/.bash_history"

748

rm -f "${R}/var/lib/urandom/random-seed"

748

rm -f "${R}/var/lib/urandom/random-seed"

749

rm -f "${R}/initrd.img"

749

rm -f "${R}/initrd.img"

750

rm -f "${R}/vmlinuz"

750

rm -f "${R}/vmlinuz"

751

rm -f "${R}${QEMU_BINARY}"

751

rm -f "${R}${QEMU_BINARY}"

752

753

if [ "$ENABLE_QEMU" = true ] ; then

753

if [ "$ENABLE_QEMU" = true ] ; then

754

# Setup QEMU directory

754

# Setup QEMU directory

755

mkdir "${BASEDIR}/qemu"

755

mkdir "${BASEDIR}/qemu"

756

757

# Copy kernel image to QEMU directory

757

# Copy kernel image to QEMU directory

758

install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"

758

install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"

759

760

# Copy kernel config to QEMU directory

760

# Copy kernel config to QEMU directory

761

install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"

761

install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"

762

763

# Copy kernel dtbs to QEMU directory

763

# Copy kernel dtbs to QEMU directory

764

for dtb in "${BOOT_DIR}/"*.dtb ; do

764

for dtb in "${BOOT_DIR}/"*.dtb ; do

765

if [ -f "${dtb}" ] ; then

765

if [ -f "${dtb}" ] ; then

766

install_readonly "${dtb}" "${BASEDIR}/qemu/"

766

install_readonly "${dtb}" "${BASEDIR}/qemu/"

767

fi

767

fi

768

done

768

done

769

770

# Copy kernel overlays to QEMU directory

770

# Copy kernel overlays to QEMU directory

771

if [ -d "${BOOT_DIR}/overlays" ] ; then

771

if [ -d "${BOOT_DIR}/overlays" ] ; then

772

# Setup overlays dtbs directory

772

# Setup overlays dtbs directory

773

mkdir "${BASEDIR}/qemu/overlays"

773

mkdir "${BASEDIR}/qemu/overlays"

774

775

for dtb in "${BOOT_DIR}/overlays/"*.dtbo ; do

775

for dtb in "${BOOT_DIR}/overlays/"*.dtbo ; do

776

if [ -f "${dtb}" ] ; then

776

if [ -f "${dtb}" ] ; then

777

install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"

777

install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"

778

fi

778

fi

779

done

779

done

780

fi

780

fi

781

782

# Copy u-boot files to QEMU directory

782

# Copy u-boot files to QEMU directory

783

if [ "$ENABLE_UBOOT" = true ] ; then

783

if [ "$ENABLE_UBOOT" = true ] ; then

784

if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then

784

if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then

785

install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"

785

install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"

786

fi

786

fi

787

if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then

787

if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then

788

install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"

788

install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"

789

fi

789

fi

790

if [ -f "${BOOT_DIR}/boot.scr" ] ; then

790

if [ -f "${BOOT_DIR}/boot.scr" ] ; then

791

install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"

791

install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"

792

fi

792

fi

793

fi

793

fi

794

795

# Copy initramfs to QEMU directory

795

# Copy initramfs to QEMU directory

796

if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then

796

if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then

797

install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"

797

install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"

798

fi

798

fi

799

fi

799

fi

800

801

# Calculate size of the chroot directory in KB

801

# Calculate size of the chroot directory in KB

802

CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")

802

CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")

803

804

# Calculate the amount of needed 512 Byte sectors

804

# Calculate the amount of needed 512 Byte sectors

805

TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)

805

TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)

806

FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)

806

FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)

807

ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")

807

ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")

808

809

# The root partition is EXT4

809

# The root partition is EXT4

810

# This means more space than the actual used space of the chroot is used.

810

# This means more space than the actual used space of the chroot is used.

811

# As overhead for journaling and reserved blocks 35% are added.

811

# As overhead for journaling and reserved blocks 35% are added.

812

ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)

812

ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)

813

814

# Calculate required image size in 512 Byte sectors

814

# Calculate required image size in 512 Byte sectors

815

IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")

815

IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")

816

817

# Prepare image file

817

# Prepare image file

818

if [ "$ENABLE_SPLITFS" = true ] ; then

818

if [ "$ENABLE_SPLITFS" = true ] ; then

819

dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"

819

dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"

820

dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"

820

dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"

821

dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"

821

dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"

822

dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"

822

dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"

823

824

# Write firmware/boot partition tables

824

# Write firmware/boot partition tables

825

sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM

825

sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM

826

${TABLE_SECTORS},${FRMW_SECTORS},c,*

826

${TABLE_SECTORS},${FRMW_SECTORS},c,*

827

EOM

827

EOM

828

829

# Write root partition table

829

# Write root partition table

830

sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM

830

sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM

831

${TABLE_SECTORS},${ROOT_SECTORS},83

831

${TABLE_SECTORS},${ROOT_SECTORS},83

832

EOM

832

EOM

833

834

# Setup temporary loop devices

834

# Setup temporary loop devices

835

FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"

835

FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"

836

ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"

836

ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"

837

else # ENABLE_SPLITFS=false

837

else # ENABLE_SPLITFS=false

838

dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"

838

dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"

839

dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"

839

dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"

840

841

# Write partition table

841

# Write partition table

842

sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM

842

sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM

843

${TABLE_SECTORS},${FRMW_SECTORS},c,*

843

${TABLE_SECTORS},${FRMW_SECTORS},c,*

844

${ROOT_OFFSET},${ROOT_SECTORS},83

844

${ROOT_OFFSET},${ROOT_SECTORS},83

845

EOM

845

EOM

846

847

# Setup temporary loop devices

847

# Setup temporary loop devices

848

FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"

848

FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"

849

ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"

849

ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"

850

fi

850

fi

851

852

if [ "$ENABLE_CRYPTFS" = true ] ; then

852

if [ "$ENABLE_CRYPTFS" = true ] ; then

853

# Create dummy ext4 fs

853

# Create dummy ext4 fs

854

mkfs.ext4 "$ROOT_LOOP"

854

mkfs.ext4 "$ROOT_LOOP"

855

856

# Setup password keyfile

856

# Setup password keyfile

857

touch .password

857

touch .password

858

chmod 600 .password

858

chmod 600 .password

859

echo -n ${CRYPTFS_PASSWORD} > .password

859

echo -n ${CRYPTFS_PASSWORD} > .password

860

861

# Initialize encrypted partition

861

# Initialize encrypted partition

862

cryptsetup --verbose --debug -q luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -h "${CRYPTFS_HASH}" -s "${CRYPTFS_XTSKEYSIZE}" .password

862

cryptsetup --verbose --debug -q luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -h "${CRYPTFS_HASH}" -s "${CRYPTFS_XTSKEYSIZE}" .password

863

864

# Open encrypted partition and setup mapping

864

# Open encrypted partition and setup mapping

865

cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"

865

cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"

866

867

# Secure delete password keyfile

867

# Secure delete password keyfile

868

shred -zu .password

868

shred -zu .password

869

870

# Update temporary loop device

870

# Update temporary loop device

871

ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"

871

ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"

872

873

# Wipe encrypted partition (encryption cipher is used for randomness)

873

# Wipe encrypted partition (encryption cipher is used for randomness)

874

dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"

874

dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"

875

fi

875

fi

876

877

# Build filesystems

877

# Build filesystems

878

mkfs.vfat "$FRMW_LOOP"

878

mkfs.vfat "$FRMW_LOOP"

879

mkfs.ext4 "$ROOT_LOOP"

879

mkfs.ext4 "$ROOT_LOOP"

880

881

# Mount the temporary loop devices

881

# Mount the temporary loop devices

882

mkdir -p "$BUILDDIR/mount"

882

mkdir -p "$BUILDDIR/mount"

883

mount "$ROOT_LOOP" "$BUILDDIR/mount"

883

mount "$ROOT_LOOP" "$BUILDDIR/mount"

884

885

mkdir -p "$BUILDDIR/mount/boot/firmware"

885

mkdir -p "$BUILDDIR/mount/boot/firmware"

886

mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"

886

mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"

887

888

# Copy all files from the chroot to the loop device mount point directory

888

# Copy all files from the chroot to the loop device mount point directory

889

rsync -a "${R}/" "$BUILDDIR/mount/"

889

rsync -a "${R}/" "$BUILDDIR/mount/"

890

891

# Unmount all temporary loop devices and mount points

891

# Unmount all temporary loop devices and mount points

892

cleanup

892

cleanup

893

894

# Create block map file(s) of image(s)

894

# Create block map file(s) of image(s)

895

if [ "$ENABLE_SPLITFS" = true ] ; then

895

if [ "$ENABLE_SPLITFS" = true ] ; then

896

# Create block map files for "bmaptool"

896

# Create block map files for "bmaptool"

897

bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"

897

bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"

898

bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"

898

bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"

899

900

# Image was successfully created

900

# Image was successfully created

901

echo "$IMAGE_NAME-frmw.img ($(expr $ "${TABLE_SECTORS}" + "${FRMW_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

901

echo "$IMAGE_NAME-frmw.img ($(expr $ "${TABLE_SECTORS}" + "${FRMW_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

902

echo "$IMAGE_NAME-root.img ($(expr $ "${TABLE_SECTORS}" + "${ROOT_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

902

echo "$IMAGE_NAME-root.img ($(expr $ "${TABLE_SECTORS}" + "${ROOT_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

903

else

903

else

904

# Create block map file for "bmaptool"

904

# Create block map file for "bmaptool"

905

bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"

905

bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"

906

907

# Image was successfully created

907

# Image was successfully created

908

echo "$IMAGE_NAME.img ($(expr $ "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

908

echo "$IMAGE_NAME.img ($(expr $ "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" $ \* 512 \/ 1024 \/ 1024)M)" ": successfully created"

909

910

# Create qemu qcow2 image

910

# Create qemu qcow2 image

911

if [ "$ENABLE_QEMU" = true ] ; then

911

if [ "$ENABLE_QEMU" = true ] ; then

912

QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

912

QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}

913

QEMU_SIZE=16G

913

QEMU_SIZE=16G

914

915

qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2

915

qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2

916

qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE

916

qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE

917

918

echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"

918

echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"

919

fi

919

fi

920

fi

920

fi

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             #
             # Setup Networking
             #
             # Load utility functions
             . ./functions.sh
             # Install and setup hostname
             install_readonly files/network/hostname "${ETC_DIR}/hostname"
             sed -i "s/^RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hostname"
             # Install and setup hosts
             install_readonly files/network/hosts "${ETC_DIR}/hosts"
             sed -i "s/RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hosts"
+            # Ensure /etc/systemd/network directory is available
+            mkdir -p "${ETC_DIR}/systemd/network"
             # Setup hostname entry with static IP
             if [ "$NET_ETH_ADDRESS" != "" ] ; then
               NET_IP=$(echo "${NET_ETH_ADDRESS}" | cut -f 1 -d'/')
               sed -i "s/^127.0.1.1/${NET_IP}/" "${ETC_DIR}/hosts"
             fi
             # Remove IPv6 hosts
             if [ "$ENABLE_IPV6" = false ] ; then
               sed -i -e "/::[1-9]/d" -e "/^$/d" "${ETC_DIR}/hosts"
             fi
             # Install hint about network configuration
             install_readonly files/network/interfaces "${ETC_DIR}/network/interfaces"
             # Install configuration for interface eth0
             install_readonly files/network/eth0.network "${ETC_DIR}/systemd/network/eth0.network"
             if [ "$RPI_MODEL" = 3P ] ; then
             printf "\n[Link]\nGenericReceiveOffload=off\nTCPSegmentationOffload=off\nGenericSegmentationOffload=off" >> "${ETC_DIR}/systemd/network/eth0.network"
             fi
             # Install configuration for interface wl*
             install_readonly files/network/wlan0.network "${ETC_DIR}/systemd/network/wlan0.network"
             #always with dhcp since wpa_supplicant integration is missing
             sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan0.network"
             if [ "$ENABLE_ETH_DHCP" = true ] ; then
               # Enable DHCP configuration for interface eth0
               sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/eth0.network"
               # Set DHCP configuration to IPv4 only
               if [ "$ENABLE_IPV6" = false ] ; then
                 sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/eth0.network"
             	sed '/IPv6PrivacyExtensions=true/d' "${ETC_DIR}/systemd/network/eth0.network"
               fi
             else # ENABLE_ETH_DHCP=false
               # Set static network configuration for interface eth0
               if [ -n NET_ETH_ADDRESS ] && [ -n NET_ETH_GATEWAY ] && [ -n NET_ETH_DNS_1 ] ; then
                 sed -i\
                 -e "s|DHCP=.*|DHCP=no|"\
                 -e "s|Address=\$|Address=${NET_ETH_ADDRESS}|"\
                 -e "s|Gateway=\$|Gateway=${NET_ETH_GATEWAY}|"\
                 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_ETH_DNS_1}|"\
                 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_ETH_DNS_2}|"\
                 -e "s|Domains=\$|Domains=${NET_ETH_DNS_DOMAINS}|"\
                 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_ETH_NTP_1}|"\
                 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_ETH_NTP_2}|"\
                 "${ETC_DIR}/systemd/network/eth0.network"
               fi
             fi
             if [ "$ENABLE_WIRELESS" = true ] ; then
+              mkdir -p "${ETC_DIR}/wpa_supplicant"
               if [ "$ENABLE_WIFI_DHCP" = true ] ; then
                 # Enable DHCP configuration for interface eth0
                 sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan0.network"
                 # Set DHCP configuration to IPv4 only
                 if [ "$ENABLE_IPV6" = false ] ; then
                   sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/wlan0.network"
             	  sed '/IPv6PrivacyExtensions=true/d' "${ETC_DIR}/systemd/network/wlan0.network"
                 fi
               else # ENABLE_WIFI_DHCP=false
                 # Set static network configuration for interface eth0
             	if [ -n NET_WIFI_ADDRESS ] && [ -n NET_WIFI_GATEWAY ] && [ -n NET_WIFI_DNS_1 ] ; then
                   sed -i\
                   -e "s|DHCP=.*|DHCP=no|"\
                   -e "s|Address=\$|Address=${NET_WIFI_ADDRESS}|"\
                   -e "s|Gateway=\$|Gateway=${NET_WIFI_GATEWAY}|"\
                   -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_WIFI_DNS_1}|"\
                   -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_WIFI_DNS_2}|"\
                   -e "s|Domains=\$|Domains=${NET_WIFI_DNS_DOMAINS}|"\
                   -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_WIFI_NTP_1}|"\
                   -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_WIFI_NTP_2}|"\
                   "${ETC_DIR}/systemd/network/wlan0.network"
             	fi
               fi
-              if [ -z "$NET_WIFI_SSID" ] && [ -z "$NET_WIFI_PSK" ] ; then
+              if [ ! -z "$NET_WIFI_SSID" ] && [ ! -z "$NET_WIFI_PSK" ] ; then
-              printf "
+              chroot_exec printf "
               ctrl_interface=/run/wpa_supplicant
-              ctrl_interface_group=wheel
               update_config=1
               eapol_version=1
               ap_scan=1
               fast_reauth=1
-              " > /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
+              " > "${ETC_DIR}/wpa_supplicant/wpa_supplicant-wlan0.conf"
               #Configure WPA_supplicant
-              chroot_exec wpa_passphrase "$NET_SSID" "$NET_WPAPSK" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
+              chroot_exec wpa_passphrase "$NET_WIFI_SSID" "$NET_WIFI_PSK" >> "${ETC_DIR}/wpa_supplicant/wpa_supplicant-wlan0.conf"
               chroot_exec systemctl enable wpa_supplicant.service
               chroot_exec systemctl enable wpa_supplicant@wlan0.service
               fi
               # Remove empty settings from wlan configuration
               sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/wlan0.network"
               # If WLAN is enabled copy wlan configuration too
               mv -v "${ETC_DIR}/systemd/network/wlan0.network" "${LIB_DIR}/systemd/network/11-wlan0.network"
             fi
             # Remove empty settings from network configuration
             sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/eth0.network"
             # Move systemd network configuration if required by Debian release
             mv -v "${ETC_DIR}/systemd/network/eth0.network" "${LIB_DIR}/systemd/network/10-eth0.network"
             #Clean up
             rm -fr "${ETC_DIR}/systemd/network"
             # Enable systemd-networkd service
             chroot_exec systemctl enable systemd-networkd
             # Install host.conf resolver configuration
             install_readonly files/network/host.conf "${ETC_DIR}/host.conf"
             # Enable network stack hardening
             if [ "$ENABLE_HARDNET" = true ] ; then
               # Install sysctl.d configuration files
               install_readonly files/sysctl.d/82-rpi-net-hardening.conf "${ETC_DIR}/sysctl.d/82-rpi-net-hardening.conf"
               # Setup resolver warnings about spoofed addresses
               sed -i "s/^# spoof warn/spoof warn/" "${ETC_DIR}/host.conf"
             fi
             # Enable time sync
             if [ "$NET_NTP_1" != "" ] ; then
               chroot_exec systemctl enable systemd-timesyncd.service
             fi
             # Download the firmware binary blob required to use the RPi3 wireless interface
             if [ "$ENABLE_WIRELESS" = true ] ; then
               if [ ! -d "${WLAN_FIRMWARE_DIR}" ] ; then
                 mkdir -p "${WLAN_FIRMWARE_DIR}"
               fi
               # Create temporary directory for firmware binary blob
               temp_dir=$(as_nobody mktemp -d)
               # Fetch firmware binary blob for RPI3B+
               if [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then
                 # Fetch firmware binary blob for RPi3P
                 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.bin"
                 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.txt"
                 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.clm_blob" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.clm_blob"
             	# Move downloaded firmware binary blob
             	mv "${temp_dir}/brcmfmac43455-sdio."* "${WLAN_FIRMWARE_DIR}/"
             	# Set permissions of the firmware binary blob
             	chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
                 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
               elif [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 0 ] ; then
                 # Fetch firmware binary blob for RPi3
                 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.bin"
                 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.txt"
             	# Move downloaded firmware binary blob
             	mv "${temp_dir}/brcmfmac43430-sdio."* "${WLAN_FIRMWARE_DIR}/"
             	# Set permissions of the firmware binary blob
             	chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
                 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
               fi
               # Remove temporary directory for firmware binary blob
               rm -fr "${temp_dir}"
             fi

-            #!/bin/sh
+            #!/bin/bash
             ########################################################################
             # rpi23-gen-image.sh					       2015-2017
             #
             # Advanced Debian "stretch" and "buster" bootstrap script for Raspberry Pi
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
             #
             # Big thanks for patches and enhancements by 20+ github contributors!
             ########################################################################
             # Are we running as root?
             if [ "$(id -u)" -ne "0" ] ; then
               echo "error: this script must be executed with root privileges!"
               exit 1
             fi
             # Check if ./functions.sh script exists
             if [ ! -r "./functions.sh" ] ; then
               echo "error: './functions.sh' required script not found!"
               exit 1
             fi
             # Load utility functions
             . ./functions.sh
             # Load parameters from configuration template file
             if [ -n "$CONFIG_TEMPLATE" ] ; then
               use_template
             fi
             # Introduce settings
             set -e
             echo -n -e "\n#\n# RPi 0/1/2/3/4 Bootstrap Settings\n#\n"
             set -x
             # Raspberry Pi model configuration
             RPI_MODEL=${RPI_MODEL:=3P}
             # Debian release
             RELEASE=${RELEASE:=buster}
             if [ $RELEASE = "bullseye" ] ; then
              RELEASE=testing
             fi
             # Kernel Branch
             KERNEL_BRANCH=${KERNEL_BRANCH:=""}
             # URLs
             KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
             FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
             WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
             FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
             UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
             VIDEOCORE_URL=${VIDEOCORE_URL:=https://github.com/raspberrypi/userland}
             BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
             NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}
             SYSTEMDSWAP_URL=${SYSTEMDSWAP_URL:=https://github.com/Nefelim4ag/systemd-swap.git}
             # Kernel deb packages for 32bit kernel
             RPI_32_KERNEL_URL=${RPI_32_KERNEL_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel_20180422-141901_armhf.deb}
             RPI_32_KERNELHEADER_URL=${RPI_32_KERNELHEADER_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel-headers_20180422-141901_armhf.deb}
             # Kernel has KVM and zswap enabled - use if KERNEL_* parameters and precompiled kernel are used
             RPI3_64_BIS_KERNEL_URL=${RPI3_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel-bis/releases/download/4.19.102.20200211/bcmrpi3-kernel-bis-4.19.102.20200211.tar.xz}
             # Default precompiled 64bit kernel
             RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel/releases/download/4.19.102.20200211/bcmrpi3-kernel-4.19.102.20200211.tar.xz}
             # Sakaki BIS Kernel RPI4 - https://github.com/sakaki-/bcm2711-kernel-bis
             RPI4_64_BIS_KERNEL_URL=${RPI4_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}
             # Default precompiled 64bit kernel - https://github.com/sakaki-/bcm2711-kernel
             RPI4_64_DEF_KERNEL_URL=${RPI4_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcm2711-kernel-bis/releases/download/4.19.102.20200211/bcm2711-kernel-bis-4.19.102.20200211.tar.xz}
             # Generic
             RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_DEF_KERNEL_URL}
             RPI4_64_KERNEL_URL=${RPI4_64_KERNEL_URL:=$RPI4_64_DEF_KERNEL_URL}
             # Kali kernel src - used if ENABLE_NEXMON=true (they patch the wlan kernel modul)
             KALI_KERNEL_URL=${KALI_KERNEL_URL:=https://github.com/Re4son/re4son-raspberrypi-linux.git}
             # Build directories
             WORKDIR=$(pwd)
             BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}
             BUILDDIR="${BASEDIR}/build"
             # Chroot directories
             R="${BUILDDIR}/chroot"
             ETC_DIR="${R}/etc"
             LIB_DIR="${R}/lib"
             BOOT_DIR="${R}/boot/firmware"
             KERNEL_DIR="${R}/usr/src/linux"
             WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"
             BLUETOOTH_FIRMWARE_DIR="${ETC_DIR}/firmware/bt"
             # APT settings
             APT_SERVER=${APT_SERVER:="ftp.debian.org"}
             APT_PROXY=${APT_PROXY:=""}
             KEEP_APT_PROXY=${KEEP_APT_PROXY:=false}
             # Packages required in the chroot build environment
             APT_INCLUDES=${APT_INCLUDES:=""}
             APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
             # Packages to exclude from chroot build environment
             APT_EXCLUDES=${APT_EXCLUDES:=""}
             # General settings
             SET_ARCH=${SET_ARCH:=32}
             HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
             DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
             TIMEZONE=${TIMEZONE:="Europe/Berlin"}
             EXPANDROOT=${EXPANDROOT:=true}
             ENABLE_ROOT=${ENABLE_ROOT:=false}
             ROOT_PASSWORD=${ROOT_PASSWORD:=raspberry}
             ENABLE_USER=${ENABLE_USER:=true}
             USER_NAME=${USER_NAME:="pi"}
             USER_PASSWORD=${USER_PASSWORD:=raspberry}
             # Keyboard settings
             XKB_MODEL=${XKB_MODEL:=""}
             XKB_LAYOUT=${XKB_LAYOUT:=""}
             XKB_VARIANT=${XKB_VARIANT:=""}
             XKB_OPTIONS=${XKB_OPTIONS:=""}
             # Networking settings:
             ENABLE_IPV6=${ENABLE_IPV6:=true}
             ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
             ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
             ENABLE_HARDNET=${ENABLE_HARDNET:=false}
             ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
             # Network settings (DHCP)
             ENABLE_ETH_DHCP=${ENABLE_ETH_DHCP:=true}
             ENABLE_WIFI_DHCP=${ENABLE_ETH_DHCP:=true}
             # Network settings (static)
             NET_ETH_ADDRESS=${NET_ETH_ADDRESS:=""}
             NET_ETH_GATEWAY=${NET_ETH_GATEWAY:=""}
             NET_ETH_DNS_1=${NET_ETH_DNS_1:=""}
             NET_ETH_DNS_2=${NET_ETH_DNS_2:=""}
             NET_ETH_DNS_DOMAINS=${NET_ETH_DNS_DOMAINS:=""}
             NET_ETH_NTP_1=${NET_ETH_NTP_1:=""}
             NET_ETH_NTP_2=${NET_ETH_NTP_2:=""}
             # Networking settings (WIFI):
             NET_WIFI_SSID=${NET_WIFI_SSID:=""}
             NET_WIFI_PSK=${NET_WIFI_PSK:=""}
             # Network settings (static)
             NET_WIFI_ADDRESS=${NET_WIFI_ADDRESS:=""}
             NET_WIFI_GATEWAY=${NET_WIFI_GATEWAY:=""}
             NET_WIFI_DNS_1=${NET_WIFI_DNS_1:=""}
             NET_WIFI_DNS_2=${NET_WIFI_DNS_2:=""}
             NET_WIFI_DNS_DOMAINS=${NET_WIFI_DNS_DOMAINS:=""}
             NET_WIFI_NTP_1=${NET_WIFI_NTP_1:=""}
             NET_WIFI_NTP_2=${NET_WIFI_NTP_2:=""}
             # Feature settings
             ENABLE_CONSOLE=${ENABLE_CONSOLE:=false}
             ENABLE_PRINTK=${ENABLE_PRINTK:=false}
             ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}
             ENABLE_MINIUART_OVERLAY=${ENABLE_MINIUART_OVERLAY:=false}
             ENABLE_TURBO=${ENABLE_TURBO:=false}
             ENABLE_I2C=${ENABLE_I2C:=false}
             ENABLE_SPI=${ENABLE_SPI:=false}
             ENABLE_NONFREE=${ENABLE_NONFREE:=false}
             ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
             ENABLE_SOUND=${ENABLE_SOUND:=false}
             ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
             ENABLE_MINGPU=${ENABLE_MINGPU:=false}
             ENABLE_XORG=${ENABLE_XORG:=false}
             ENABLE_WM=${ENABLE_WM:=""}
             ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
             ENABLE_SPLASH=${ENABLE_SPLASH:=true}
             ENABLE_LOGO=${ENABLE_LOGO:=true}
             ENABLE_SILENT_BOOT=${ENABLE_SILENT_BOOT=false}
             DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
             # Advanced settings
             ENABLE_DPHYSSWAP=${ENABLE_DPHYSSWAP:=true}
             ENABLE_SYSTEMDSWAP=${ENABLE_SYSTEMDSWAP:=false}
             ENABLE_QEMU=${ENABLE_QEMU:=false}
             ENABLE_KEYGEN=${ENABLE_KEYGEN:=false}
             ENABLE_MINBASE=${ENABLE_MINBASE:=false}
             ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
             ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
             ENABLE_DBUS=${ENABLE_DBUS:=true}
             ENABLE_USBBOOT=${ENABLE_USBBOOT=false}
             CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
             ENABLE_UBOOT=${ENABLE_UBOOT:=false}
             UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
             ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
             FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
             ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
             VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
             ENABLE_NEXMON=${ENABLE_NEXMON:=false}
             NEXMONSRC_DIR=${NEXMONSRC_DIR:=""}
             # SSH settings
             SSH_ENABLE=${SSH_ENABLE:=true}
             SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
             SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
             SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
             SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
             SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
             # Kernel compilation settings
             BUILD_KERNEL=${BUILD_KERNEL:=true}
             KERNEL_THREADS=${KERNEL_THREADS:=1}
             KERNEL_HEADERS=${KERNEL_HEADERS:=true}
             KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
             KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
             KERNEL_CCACHE=${KERNEL_CCACHE:=false}
             KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
             KERNELSRC_DIR=${KERNELSRC_DIR:=""}
             KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
             KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
             KERNELSRC_USRCONFIG=${KERNELSRC_USRCONFIG:=""}
             KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
             # Firmware directory: Blank if download from github
             RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
             KERNEL_DEFAULT_GOV=${KERNEL_DEFAULT_GOV:=ondemand}
             KERNEL_NF=${KERNEL_NF:=false}
             KERNEL_VIRT=${KERNEL_VIRT:=false}
             KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}
             KERNEL_BPF=${KERNEL_BPF:=false}
             KERNEL_SECURITY=${KERNEL_SECURITY:=false}
             KERNEL_BTRFS=${KERNEL_BTRFS:=false}
             KERNEL_POEHAT=${KERNEL_POEHAT:=false}
             KERNEL_NSPAN=${KERNEL_NSPAN:=false}
             KERNEL_DHKEY=${KERNEL_DHKEY:=true}
             # Reduce disk usage settings
             ENABLE_REDUCE=${ENABLE_REDUCE:=false}
             REDUCE_APT=${REDUCE_APT:=true}
             REDUCE_DOC=${REDUCE_DOC:=false}
             REDUCE_MAN=${REDUCE_MAN:=false}
             REDUCE_VIM=${REDUCE_VIM:=false}
             REDUCE_BASH=${REDUCE_BASH:=false}
             REDUCE_HWDB=${REDUCE_HWDB:=false}
             REDUCE_SSHD=${REDUCE_SSHD:=false}
             REDUCE_LOCALE=${REDUCE_LOCALE:=false}
             REDUCE_KERNEL=${REDUCE_KERNEL:=false}
             # Encrypted filesystem settings
             ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
             CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
             CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
             CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64"}
             CRYPTFS_HASH=${CRYPTFS_HASH:="sha256"}
             CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=256}
             #Dropbear-initramfs supports unlocking encrypted filesystem via SSH on bootup
             CRYPTFS_DROPBEAR=${CRYPTFS_DROPBEAR:=false}
             #Provide your own Dropbear Public RSA-OpenSSH Key otherwise it will be generated
             CRYPTFS_DROPBEAR_PUBKEY=${CRYPTFS_DROPBEAR_PUBKEY:=""}
             # Packages required for bootstrapping
             REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus bison flex libssl-dev sudo"
             MISSING_PACKAGES=""
             # Packages installed for c/c++ build environment in chroot (keep empty)
             COMPILER_PACKAGES=""
             # Check if apt-cacher-ng has port 3142 open and set APT_PROXY
             APT_CACHER_RUNNING=$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')
             if [ "${APT_CACHER_RUNNING}" = "apt-cacher-ng" ] ; then
               APT_PROXY=http://127.0.0.1:3142/
             fi
             # Setup architecture specific settings
             if [ -n "$SET_ARCH" ] ; then
               # 64-bit configuration
               if [ "$SET_ARCH" = 64 ] ; then
                 # General 64-bit depended settings
                 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
                 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
                 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
                 # Raspberry Pi model specific settings
                 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then
                   if [ "$RPI_MODEL" != 4 ] ; then
                     KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
                   else
                     KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}
                   fi
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
                   RELEASE_ARCH=${RELEASE_ARCH:=arm64}
                   KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
                   CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
                 else
                   echo "error: Only Raspberry PI 3, 3B+ and 4 support 64-bit"
                   exit 1
                 fi
               fi
               # 32-bit configuration
               if [ "$SET_ARCH" = 32 ] ; then
                 # General 32-bit dependend settings
                 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
                 KERNEL_ARCH=${KERNEL_ARCH:=arm}
                 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
                 # Raspberry Pi model specific settings
                 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
                   KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
                   RELEASE_ARCH=${RELEASE_ARCH:=armel}
                   KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
                   CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
             	  if [ $ENABLE_XORG = true ] ; then
             	    if [$RELEASE = "stretch" ] || [$RELEASE = "oldstable" ] ; then
             	      printf "\nBest support for armel architecture is provided under Debian stretch/oldstable. Choose yes to change release to Debian stretch[y/n] "
             	      read -r confirm
                       if [ "$confirm" = "y" ] ; then
             		    $RELEASE = "stretch"
             		  fi
             	    fi
             	  fi
                 fi
                 # Raspberry Pi model specific settings
                 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then
                   if [ "$RPI_MODEL" != 4 ] ; then
                     KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
             		KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
                   else
                     KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2711_defconfig}
             		KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7l.img}
                   fi
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
                   RELEASE_ARCH=${RELEASE_ARCH:=armhf}
                   CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
                 fi
               fi
             # SET_ARCH not set
             else
               echo "error: Please set '32' or '64' as value for SET_ARCH"
               exit 1
             fi
             # Device specific configuration and U-Boot configuration
             case "$RPI_MODEL" in
 )
                 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                 ;;
 )
                 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                 ;;
 P)
                 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                 ;;
 )
                 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
                 ;;
 )
                 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
                 ;;
 P)
                 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
                 ;;
 )
                 DTB_FILE=${DTB_FILE:=bcm2711-rpi-4-b.dtb}
                 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_4_defconfig}
                 ;;
               *)
                 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
                 exit 1
                 ;;
             esac
             # Raspberry PI 0,3,3P with Bluetooth and Wifi onboard
             if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then
               # Include bluetooth packages on supported boards
               if [ "$ENABLE_BLUETOOTH" = true ] ; then
                 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
               fi
               if [ "$ENABLE_WIRELESS" = true ] ; then
                 APT_INCLUDES="${APT_INCLUDES},wireless-tools,crda,wireless-regdb,wpasupplicant"
               fi
             else # Raspberry PI 1,1P,2 without Wifi and bluetooth onboard
               # Check if the internal wireless interface is not supported by the RPi model
               if [ "$ENABLE_WIRELESS" = true ] || [ "$ENABLE_BLUETOOTH" = true ]; then
                 echo "error: The selected Raspberry Pi model has no integrated interface for wireless or bluetooth"
                 exit 1
               fi
             fi
             if [ "$BUILD_KERNEL" = false ] && [ "$ENABLE_NEXMON" = true ]; then
               echo "error: You have to compile kernel sources, if you want to enable nexmon"
               exit 1
             fi
             # Prepare date string for default image file name
             DATE="$(date +%Y-%m-%d)"
             if [ -z "$KERNEL_BRANCH" ] ; then
               IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
             else
               IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
             fi
             # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
             if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
               if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
                 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
                 exit 1
               fi
             fi
             # Add cmake to compile videocore sources
             if [ "$ENABLE_VIDEOCORE" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
             fi
             # Add deps for nexmon
             if [ "$ENABLE_NEXMON" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libgmp3-dev gawk qpdf make autoconf automake build-essential libtool"
             fi
             # Add libncurses5 to enable kernel menuconfig
             if [ "$KERNEL_MENUCONFIG" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
             fi
             # Add ccache compiler cache for (faster) kernel cross (re)compilation
             if [ "$KERNEL_CCACHE" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
             fi
             # Add cryptsetup package to enable filesystem encryption
             if [ "$ENABLE_CRYPTFS" = true ]  && [ "$BUILD_KERNEL" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
               APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup,cryptsetup-initramfs"
               # If cryptfs,dropbear and initramfs are enabled include dropbear-initramfs package
               if [ "$CRYPTFS_DROPBEAR" = true ] && [ "$ENABLE_INITRAMFS" = true ]; then
                 APT_INCLUDES="${APT_INCLUDES},dropbear-initramfs"
               fi
               if [ -z "$CRYPTFS_PASSWORD" ] ; then
                 echo "error: no password defined (CRYPTFS_PASSWORD)!"
                 exit 1
               fi
               ENABLE_INITRAMFS=true
             fi
             # Add initramfs generation tools
             if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
             fi
             # Add device-tree-compiler required for building the U-Boot bootloader
             if [ "$ENABLE_UBOOT" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bc"
             fi
             if [ "$ENABLE_USBBOOT" = true ] ; then
               if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 2 ]; then
                 echo "error: Booting from USB alone is only supported by Raspberry Pi 3 and 3P"
                 exit 1
               fi
             fi
             # Check if root SSH (v2) public key file exists
             if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
               if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
                 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
                 exit 1
               fi
             fi
             # Check if $USER_NAME SSH (v2) public key file exists
             if [ -n "$SSH_USER_PUB_KEY" ] ; then
               if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
                 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
                 exit 1
               fi
             fi
             if [ "$ENABLE_NEXMON" = true ] && [ -n "$KERNEL_BRANCH" ] ; then
               echo "error: Please unset KERNEL_BRANCH if using ENABLE_NEXMON"
               exit 1
             fi
             # Check if all required packages are installed on the build system
             for package in $REQUIRED_PACKAGES ; do
               if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
                 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
               fi
             done
             # If there are missing packages ask confirmation for install, or exit
             if [ -n "$MISSING_PACKAGES" ] ; then
               echo "the following packages needed by this script are not installed:"
               echo "$MISSING_PACKAGES"
               printf "\ndo you want to install the missing packages right now? [y/n] "
               read -r confirm
               [ "$confirm" != "y" ] && exit 1
               # Make sure all missing required packages are installed
               apt-get update && apt-get -qq -y install `echo "${MISSING_PACKAGES}" | sed "s/ //"`
             fi
             # Check if ./bootstrap.d directory exists
             if [ ! -d "./bootstrap.d/" ] ; then
               echo "error: './bootstrap.d' required directory not found!"
               exit 1
             fi
             # Check if ./files directory exists
             if [ ! -d "./files/" ] ; then
               echo "error: './files' required directory not found!"
               exit 1
             fi
             # Check if specified KERNELSRC_DIR directory exists
             if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
               echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
               exit 1
             fi
             # Check if specified UBOOTSRC_DIR directory exists
             if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
               echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
               exit 1
             fi
             # Check if specified VIDEOCORESRC_DIR directory exists
             if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
               echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
               exit 1
             fi
             # Check if specified FBTURBOSRC_DIR directory exists
             if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
               echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
               exit 1
             fi
             # Check if specified NEXMONSRC_DIR directory exists
             if [ -n "$NEXMONSRC_DIR" ] && [ ! -d "$NEXMONSRC_DIR" ] ; then
               echo "error: '${NEXMONSRC_DIR}' specified directory not found (NEXMONSRC_DIR)!"
               exit 1
             fi
             # Check if specified CHROOT_SCRIPTS directory exists
             if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
                echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
                exit 1
             fi
             # Check if specified device mapping already exists (will be used by cryptsetup)
             if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
               echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
               exit 1
             fi
             # Don't clobber an old build
             if [ -e "$BUILDDIR" ] ; then
               echo "error: directory ${BUILDDIR} already exists, not proceeding"
               exit 1
             fi
             # Setup chroot directory
             mkdir -p "${R}"
             # Check if build directory has enough of free disk space >512MB
             if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
               echo "error: ${BUILDDIR} not enough space left to generate the output image!"
               exit 1
             fi
             set -x
             # Call "cleanup" function on various signals and errors
             trap cleanup 0 1 2 3 6
             # Add required packages for the minbase installation
             if [ "$ENABLE_MINBASE" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
             fi
             # Add parted package, required to get partprobe utility
             if [ "$EXPANDROOT" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},parted"
             fi
             # Add dphys-swapfile package, required to enable swap
             if [ "$ENABLE_DPHYSSWAP" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},dphys-swapfile"
             fi
             # Add dbus package, recommended if using systemd
             if [ "$ENABLE_DBUS" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},dbus"
             fi
             # Add iptables IPv4/IPv6 package
             if [ "$ENABLE_IPTABLES" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
             fi
             # Add apparmor for KERNEL_SECURITY
             if [ "$KERNEL_SECURITY" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},apparmor,apparmor-utils,apparmor-profiles,apparmor-profiles-extra,libapparmor-perl"
             fi
             # Add openssh server package
             if [ "$SSH_ENABLE" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},openssh-server"
             fi
             # Add alsa-utils package
             if [ "$ENABLE_SOUND" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},alsa-utils"
             fi
             # Add rng-tools package
             if [ "$ENABLE_HWRANDOM" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},rng-tools"
             fi
             # Add fbturbo video driver
             if [ "$ENABLE_FBTURBO" = true ] ; then
               # Enable xorg package dependencies
               ENABLE_XORG=true
             fi
             # Add user defined window manager package
             if [ -n "$ENABLE_WM" ] ; then
               APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
               # Enable xorg package dependencies
               ENABLE_XORG=true
             fi
             # Add xorg package
             if [ "$ENABLE_XORG" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
             fi
             # Replace selected packages with smaller clones
             if [ "$ENABLE_REDUCE" = true ] ; then
               # Add levee package instead of vim-tiny
               if [ "$REDUCE_VIM" = true ] ; then
                 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
               fi
               # Add dropbear package instead of openssh-server
               if [ "$REDUCE_SSHD" = true ] ; then
                 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
               fi
             fi
             # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
             if [ "$ENABLE_SYSVINIT" = false ] ; then
               APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
             fi
             # Configure kernel sources if no KERNELSRC_DIR
             if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
               KERNELSRC_CONFIG=true
             fi
             # Configure reduced kernel
             if [ "$KERNEL_REDUCE" = true ] ; then
               KERNELSRC_CONFIG=false
             fi
             # Configure qemu compatible kernel
             if [ "$ENABLE_QEMU" = true ] ; then
               DTB_FILE=vexpress-v2p-ca15_a7.dtb
               UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
               KERNEL_DEFCONFIG="vexpress_defconfig"
               if [ "$KERNEL_MENUCONFIG" = false ] ; then
                 KERNEL_OLDDEFCONFIG=true
               fi
             fi
             # Execute bootstrap scripts
             for SCRIPT in bootstrap.d/*.sh; do
               head -n 3 "$SCRIPT"
               . "$SCRIPT"
             done
             ## Execute custom bootstrap scripts
             if [ -d "custom.d" ] ; then
               for SCRIPT in custom.d/*.sh; do
                 . "$SCRIPT"
               done
             fi
             # Execute custom scripts inside the chroot
             if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
               cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
               chroot_exec /bin/bash -x <<'EOF'
             for SCRIPT in /chroot_scripts/* ; do
               if [ -f $SCRIPT -a -x $SCRIPT ] ; then
                 $SCRIPT
               fi
             done
             EOF
               rm -rf "${R}/chroot_scripts"
             fi
             # Remove c/c++ build environment from the chroot
             chroot_remove_cc
             # Generate required machine-id
             MACHINE_ID=$(dbus-uuidgen)
             echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
             echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
             # APT Cleanup
             chroot_exec apt-get -y clean
             chroot_exec apt-get -y autoclean
             chroot_exec apt-get -y autoremove
             # Unmount mounted filesystems
             umount -l "${R}/proc"
             umount -l "${R}/sys"
             # Clean up directories
             rm -rf "${R}/run/*"
             rm -rf "${R}/tmp/*"
             # Clean up APT proxy settings
             if [ "$KEEP_APT_PROXY" = false ] ; then
               rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
             fi
             # Clean up files
             rm -f "${ETC_DIR}/ssh/ssh_host_*"
             rm -f "${ETC_DIR}/dropbear/dropbear_*"
             rm -f "${ETC_DIR}/apt/sources.list.save"
             rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
             rm -f "${ETC_DIR}/*-"
             rm -f "${ETC_DIR}/resolv.conf"
             rm -f "${R}/root/.bash_history"
             rm -f "${R}/var/lib/urandom/random-seed"
             rm -f "${R}/initrd.img"
             rm -f "${R}/vmlinuz"
             rm -f "${R}${QEMU_BINARY}"
             if [ "$ENABLE_QEMU" = true ] ; then
               # Setup QEMU directory
               mkdir "${BASEDIR}/qemu"
               # Copy kernel image to QEMU directory
               install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
               # Copy kernel config to QEMU directory
               install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
               # Copy kernel dtbs to QEMU directory
               for dtb in "${BOOT_DIR}/"*.dtb ; do
                 if [ -f "${dtb}" ] ; then
                   install_readonly "${dtb}" "${BASEDIR}/qemu/"
                 fi
               done
               # Copy kernel overlays to QEMU directory
               if [ -d "${BOOT_DIR}/overlays" ] ; then
                 # Setup overlays dtbs directory
                 mkdir "${BASEDIR}/qemu/overlays"
                 for dtb in "${BOOT_DIR}/overlays/"*.dtbo ; do
                   if [ -f "${dtb}" ] ; then
                     install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
                   fi
                 done
               fi
               # Copy u-boot files to QEMU directory
               if [ "$ENABLE_UBOOT" = true ] ; then
                 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
                   install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
                 fi
                 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
                   install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
                 fi
                 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
                   install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
                 fi
               fi
               # Copy initramfs to QEMU directory
               if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
                 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
               fi
             fi
             # Calculate size of the chroot directory in KB
             CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
             # Calculate the amount of needed 512 Byte sectors
             TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
             FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
             ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
             # The root partition is EXT4
             # This means more space than the actual used space of the chroot is used.
             # As overhead for journaling and reserved blocks 35% are added.
             ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
             # Calculate required image size in 512 Byte sectors
             IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
             # Prepare image file
             if [ "$ENABLE_SPLITFS" = true ] ; then
               dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
               # Write firmware/boot partition tables
               sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
             ${TABLE_SECTORS},${FRMW_SECTORS},c,*
             EOM
               # Write root partition table
               sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
             ${TABLE_SECTORS},${ROOT_SECTORS},83
             EOM
               # Setup temporary loop devices
               FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
               ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
             else # ENABLE_SPLITFS=false
               dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
               # Write partition table
               sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
             ${TABLE_SECTORS},${FRMW_SECTORS},c,*
             ${ROOT_OFFSET},${ROOT_SECTORS},83
             EOM
               # Setup temporary loop devices
               FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
               ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
             fi
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               # Create dummy ext4 fs
               mkfs.ext4 "$ROOT_LOOP"
               # Setup password keyfile
               touch .password
               chmod 600 .password
               echo -n ${CRYPTFS_PASSWORD} > .password
               # Initialize encrypted partition
               cryptsetup --verbose --debug -q luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -h "${CRYPTFS_HASH}" -s "${CRYPTFS_XTSKEYSIZE}" .password
               # Open encrypted partition and setup mapping
               cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
               # Secure delete password keyfile
               shred -zu .password
               # Update temporary loop device
               ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
               # Wipe encrypted partition (encryption cipher is used for randomness)
               dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
             fi
             # Build filesystems
             mkfs.vfat "$FRMW_LOOP"
             mkfs.ext4 "$ROOT_LOOP"
             # Mount the temporary loop devices
             mkdir -p "$BUILDDIR/mount"
             mount "$ROOT_LOOP" "$BUILDDIR/mount"
             mkdir -p "$BUILDDIR/mount/boot/firmware"
             mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
             # Copy all files from the chroot to the loop device mount point directory
             rsync -a "${R}/" "$BUILDDIR/mount/"
             # Unmount all temporary loop devices and mount points
             cleanup
             # Create block map file(s) of image(s)
             if [ "$ENABLE_SPLITFS" = true ] ; then
               # Create block map files for "bmaptool"
               bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
               bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
               # Image was successfully created
               echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
               echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
             else
               # Create block map file for "bmaptool"
               bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
               # Image was successfully created
               echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
               # Create qemu qcow2 image
               if [ "$ENABLE_QEMU" = true ] ; then
                 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
                 QEMU_SIZE=16G
                 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
                 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
                 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
               fi
             fi