# # Setup RPi2/3 config and cmdline # # Load utility functions . ./functions.sh if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then # Install boot binaries from local directory cp "${RPI_FIRMWARE_DIR}"/boot/bootcode.bin "${BOOT_DIR}"/bootcode.bin cp "${RPI_FIRMWARE_DIR}"/boot/fixup.dat "${BOOT_DIR}"/fixup.dat cp "${RPI_FIRMWARE_DIR}"/boot/fixup_cd.dat "${BOOT_DIR}"/fixup_cd.dat cp "${RPI_FIRMWARE_DIR}"/boot/fixup_x.dat "${BOOT_DIR}"/fixup_x.dat cp "${RPI_FIRMWARE_DIR}"/boot/start.elf "${BOOT_DIR}"/start.elf cp "${RPI_FIRMWARE_DIR}"/boot/start_cd.elf "${BOOT_DIR}"/start_cd.elf cp "${RPI_FIRMWARE_DIR}"/boot/start_x.elf "${BOOT_DIR}"/start_x.elf else # Create temporary directory for boot binaries temp_dir=$(as_nobody mktemp -d) # Install latest boot binaries from raspberry/firmware github as_nobody wget -q -O "${temp_dir}/bootcode.bin" "${FIRMWARE_URL}/bootcode.bin" as_nobody wget -q -O "${temp_dir}/fixup.dat" "${FIRMWARE_URL}/fixup.dat" as_nobody wget -q -O "${temp_dir}/fixup_cd.dat" "${FIRMWARE_URL}/fixup_cd.dat" as_nobody wget -q -O "${temp_dir}/fixup_x.dat" "${FIRMWARE_URL}/fixup_x.dat" as_nobody wget -q -O "${temp_dir}/start.elf" "${FIRMWARE_URL}/start.elf" as_nobody wget -q -O "${temp_dir}/start_cd.elf" "${FIRMWARE_URL}/start_cd.elf" as_nobody wget -q -O "${temp_dir}/start_x.elf" "${FIRMWARE_URL}/start_x.elf" # Move downloaded boot binaries mv "${temp_dir}/"* "${BOOT_DIR}/" # Remove temporary directory for boot binaries rm -fr "${temp_dir}" # Set permissions of the boot binaries chown -R root:root "${BOOT_DIR}" chmod -R 600 "${BOOT_DIR}" fi # Setup firmware boot cmdline if [ "$ENABLE_USBBOOT" = true ] ; then CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline console=tty1 rootwait init=/bin/systemd" else if [ "$ENABLE_SPLITFS" = true ] ; then CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline console=tty1 rootwait init=/bin/systemd" else CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline console=tty1 rootwait init=/bin/systemd" fi fi # Add encrypted root partition to cmdline.txt if [ "$ENABLE_CRYPTFS" = true ] ; then if [ "$ENABLE_SPLITFS" = true ] ; then CMDLINE=$(echo "${CMDLINE}" | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/") else if [ "$ENABLE_USBBOOT" = true ] ; then CMDLINE=$(echo "${CMDLINE}" | sed "s/sda2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda2:${CRYPTFS_MAPPING}/") else CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/") fi fi fi # Enable Kernel messages on standard output if [ "$ENABLE_PRINTK" = true ] ; then install_readonly files/sysctl.d/83-rpi-printk.conf "${ETC_DIR}/sysctl.d/83-rpi-printk.conf" fi # Enable Kernel messages on standard output if [ "$KERNEL_SECURITY" = true ] ; then install_readonly files/sysctl.d/84-rpi-ASLR.conf "${ETC_DIR}/sysctl.d/84-rpi-ASLR.conf" fi # Install udev rule for serial alias - serial0 = console serial1=bluetooth install_readonly files/etc/99-com.rules "${LIB_DIR}/udev/rules.d/99-com.rules" # Remove IPv6 networking support if [ "$ENABLE_IPV6" = false ] ; then CMDLINE="${CMDLINE} ipv6.disable=1" fi # Automatically assign predictable network interface names if [ "$ENABLE_IFNAMES" = false ] ; then CMDLINE="${CMDLINE} net.ifnames=0" else CMDLINE="${CMDLINE} net.ifnames=1" fi # Disable Raspberry Pi console logo if [ "$ENABLE_LOGO" = false ] ; then CMDLINE="${CMDLINE} logo.nologo" fi # Strictly limit verbosity of boot up console messages if [ "$ENABLE_SILENT_BOOT" = true ] ; then CMDLINE="${CMDLINE} quiet loglevel=0 rd.systemd.show_status=auto rd.udev.log_priority=0" fi # Install firmware config install_readonly files/boot/config.txt "${BOOT_DIR}/config.txt" # Disable Raspberry Pi console logo if [ "$ENABLE_SLASH" = false ] ; then echo "disable_splash=1" >> "${BOOT_DIR}/config.txt" fi # Locks CPU frequency at maximum if [ "$ENABLE_TURBO" = true ] ; then echo "force_turbo=1" >> "${BOOT_DIR}/config.txt" # helps to avoid sdcard corruption when force_turbo is enabled. echo "boot_delay=1" >> "${BOOT_DIR}/config.txt" fi if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ]; then # Bluetooth enabled if [ "$ENABLE_BLUETOOTH" = true ] ; then # Create temporary directory for Bluetooth sources temp_dir=$(as_nobody mktemp -d) # Fetch Bluetooth sources as_nobody git -C "${temp_dir}" clone "${BLUETOOTH_URL}" # Copy downloaded sources mv "${temp_dir}/pi-bluetooth" "${R}/tmp/" # Set permissions chown -R root:root "${R}/tmp/pi-bluetooth" # Bluetooth firmware from arch aur https://aur.archlinux.org/packages/pi-bluetooth/ wget -q -O "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" https://aur.archlinux.org/cgit/aur.git/plain/LICENCE.broadcom_bcm43xx?h=pi-bluetooth wget -q -O "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" https://raw.githubusercontent.com/RPi-Distro/bluez-firmware/master/broadcom/BCM43430A1.hcd # Install tools install_readonly "${R}/tmp/pi-bluetooth/usr/bin/btuart" "${R}/usr/bin/btuart" install_readonly "${R}/tmp/pi-bluetooth/usr/bin/bthelper" "${R}/usr/bin/bthelper" # make scripts executable chmod +x "${R}/usr/bin/bthelper" chmod +x "${R}/usr/bin/btuart" # Install bluetooth udev rule install_readonly "${R}/tmp/pi-bluetooth/lib/udev/rules.d/90-pi-bluetooth.rules" "${LIB_DIR}/udev/rules.d/90-pi-bluetooth.rules" # Install Firmware Flash file and apropiate licence mkdir -p "$BLUETOOTH_FIRMWARE_DIR" install_readonly "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" "${BLUETOOTH_FIRMWARE_DIR}/LICENCE.broadcom_bcm43xx" install_readonly "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" "${BLUETOOTH_FIRMWARE_DIR}/BCM43430A1.hcd" install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.bthelper@.service" "${ETC_DIR}/systemd/system/pi-bluetooth.bthelper@.service" install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.hciuart.service" "${ETC_DIR}/systemd/system/pi-bluetooth.hciuart.service" # Remove temporary directories rm -fr "${temp_dir}" rm -fr "${R}"/tmp/pi-bluetooth # Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore UART0/ttyAMA0 over GPIOs 14 & 15. Slow Bluetooth and slow cpu. Use /dev/ttyS0 instead of /dev/ttyAMA0 if [ "$ENABLE_MINIUART_OVERLAY" = true ] ; then # set overlay to swap ttyAMA0 and ttyS0 echo "dtoverlay=pi3-miniuart-bt" >> "${BOOT_DIR}/config.txt" if [ "$ENABLE_TURBO" = false ] ; then echo "core_freq=250" >> "${BOOT_DIR}/config.txt" fi fi # Activate services chroot_exec systemctl enable pi-bluetooth.hciuart.service else # if ENABLE_BLUETOOTH = false # set overlay to disable bluetooth echo "dtoverlay=pi3-disable-bt" >> "${BOOT_DIR}/config.txt" fi # ENABLE_BLUETOOTH end fi # may need sudo systemctl disable hciuart if [ "$ENABLE_CONSOLE" = true ] ; then echo "enable_uart=1" >> "${BOOT_DIR}/config.txt" # add string to cmdline CMDLINE="${CMDLINE} console=serial0,115200" if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]|| [ "$RPI_MODEL" = 0 ]; then # if force_turbo didn't lock cpu at high speed, lock it at low speed (XOR logic) or miniuart will be broken if [ "$ENABLE_TURBO" = false ] ; then echo "core_freq=250" >> "${BOOT_DIR}/config.txt" fi fi # Enable serial console systemd style chroot_exec systemctl enable serial-getty@serial0.service else echo "enable_uart=0" >> "${BOOT_DIR}/config.txt" fi # Disable dphys-swapfile service. Will get enabled on first boot if [ "$ENABLE_DPHYSSWAP" = true ] ; then chroot_exec systemctl disable dphys-swapfile fi if [ "$ENABLE_SYSTEMDSWAP" = true ] ; then # Create temporary directory for systemd-swap sources temp_dir=$(as_nobody mktemp -d) # Fetch systemd-swap sources as_nobody git -C "${temp_dir}" clone "${SYSTEMDSWAP_URL}" # Copy downloaded systemd-swap sources mv "${temp_dir}/systemd-swap" "${R}/tmp/" # Change into downloaded src dir cd "${R}/tmp/systemd-swap" || exit # Get Verion VERSION=$(git tag | tail -n 1) sed "s/DEB_NAME=.*/DEB_NAME=systemd-swap_all/g" # Build package bash ./package.sh debian # Change back into script root dir cd "${WORKDIR}" || exit # Set permissions of the systemd-swap sources chown -R root:root "${R}/tmp/systemd-swap" # Install package - IMPROVE AND MAKE IT POSSIBLE WITHOUT VERSION NR. chroot_exec dpkg -i /tmp/systemd-swap/systemd-swap_all.deb # Enable service chroot_exec systemctl enable systemd-swap # Remove temporary directory for systemd-swap sources rm -fr "${temp_dir}" else # Enable ZSWAP in cmdline if systemd-swap is not used if [ "$KERNEL_ZSWAP" = true ] ; then CMDLINE="${CMDLINE} zswap.enabled=1 zswap.max_pool_percent=25 zswap.compressor=lz4" fi fi if [ "$KERNEL_SECURITY" = true ] ; then CMDLINE="${CMDLINE} apparmor=1 security=apparmor" fi # Install firmware boot cmdline echo "${CMDLINE}" > "${BOOT_DIR}/cmdline.txt" # Setup minimal GPU memory allocation size: 16MB (no X) if [ "$ENABLE_MINGPU" = true ] ; then echo "gpu_mem=16" >> "${BOOT_DIR}/config.txt" fi # Setup boot with initramfs if [ "$ENABLE_INITRAMFS" = true ] ; then echo "initramfs initramfs-${KERNEL_VERSION} followkernel" >> "${BOOT_DIR}/config.txt" fi # Create firmware configuration and cmdline symlinks ln -sf firmware/config.txt "${R}/boot/config.txt" ln -sf firmware/cmdline.txt "${R}/boot/cmdline.txt" # Install and setup kernel modules to load at boot mkdir -p "${LIB_DIR}/modules-load.d/" install_readonly files/modules/rpi2.conf "${LIB_DIR}/modules-load.d/rpi2.conf" # Load hardware random module at boot if [ "$ENABLE_HWRANDOM" = true ] && [ "$BUILD_KERNEL" = false ] ; then sed -i "s/^# bcm2708_rng/bcm2708_rng/" "${LIB_DIR}/modules-load.d/rpi2.conf" fi # Load sound module at boot if [ "$ENABLE_SOUND" = true ] ; then sed -i "s/^# snd_bcm2835/snd_bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf" else echo "dtparam=audio=off" >> "${BOOT_DIR}/config.txt" fi # Enable I2C interface if [ "$ENABLE_I2C" = true ] ; then echo "dtparam=i2c_arm=on" >> "${BOOT_DIR}/config.txt" sed -i "s/^# i2c-bcm2708/i2c-bcm2708/" "${LIB_DIR}/modules-load.d/rpi2.conf" sed -i "s/^# i2c-dev/i2c-dev/" "${LIB_DIR}/modules-load.d/rpi2.conf" fi # Enable SPI interface if [ "$ENABLE_SPI" = true ] ; then echo "dtparam=spi=on" >> "${BOOT_DIR}/config.txt" echo "spi-bcm2708" >> "${LIB_DIR}/modules-load.d/rpi2.conf" if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]; then sed -i "s/spi-bcm2708/spi-bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf" fi fi # Disable RPi2/3 under-voltage warnings if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt" fi # Install kernel modules blacklist mkdir -p "${ETC_DIR}/modprobe.d/" install_readonly files/modules/raspi-blacklist.conf "${ETC_DIR}/modprobe.d/raspi-blacklist.conf" # Install sysctl.d configuration files install_readonly files/sysctl.d/81-rpi-vm.conf "${ETC_DIR}/sysctl.d/81-rpi-vm.conf"