13-kernel.sh
210 lines
| 8.3 KiB
| application/x-sh
|
BashLexer
/ bootstrap.d / 13-kernel.sh
Filip Pytloun
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r56 | # | ||
drtyhlpr
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r94 | # Build and Setup RPi2/3 Kernel | ||
Filip Pytloun
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r56 | # | ||
Jan Wagner
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r67 | # Load utility functions | ||
Filip Pytloun
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r56 | . ./functions.sh | ||
# Fetch and build latest raspberry kernel | ||||
if [ "$BUILD_KERNEL" = true ] ; then | ||||
Jan Wagner
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r72 | # Setup source directory | ||
Jan Wagner
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r82 | mkdir -p "${R}/usr/src" | ||
Filip Pytloun
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r56 | |||
Jan Wagner
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r72 | # Copy existing kernel sources into chroot directory | ||
Jan Wagner
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r75 | if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then | ||
Jan Wagner
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r72 | # Copy kernel sources | ||
Jan Wagner
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r75 | cp -r "${KERNELSRC_DIR}" "${R}/usr/src" | ||
Jan Wagner
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r72 | |||
# Clean the kernel sources | ||||
Jan Wagner
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r75 | if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then | ||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper | ||
Jan Wagner
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r72 | fi | ||
Jan Wagner
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r75 | else # KERNELSRC_DIR="" | ||
Jan Wagner
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r72 | # Fetch current raspberrypi kernel sources | ||
drtyhlpr
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r91 | git -C "${R}/usr/src" clone --depth=1 "${KERNEL_URL}" | ||
Jan Wagner
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r72 | fi | ||
Jan Wagner
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r67 | |||
# Calculate optimal number of kernel building threads | ||||
Jan Wagner
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r75 | if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then | ||
KERNEL_THREADS=$(grep -c processor /proc/cpuinfo) | ||||
Jan Wagner
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r67 | fi | ||
Filip Pytloun
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r56 | |||
Jan Wagner
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r76 | # Configure and build kernel | ||
Jan Wagner
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r75 | if [ "$KERNELSRC_PREBUILT" = false ] ; then | ||
Jan Wagner
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r76 | # Remove device, network and filesystem drivers from kernel configuration | ||
if [ "$KERNEL_REDUCE" = true ] ; then | ||||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" | ||
Jan Wagner
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r76 | sed -i\ | ||
-e "s/\(^CONFIG_SND.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\ | ||||
-e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\ | ||||
-e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\ | ||||
-e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\ | ||||
-e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\ | ||||
-e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\ | ||||
-e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\ | ||||
drtyhlpr
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r94 | "${KERNEL_DIR}/.config" | ||
Jan Wagner
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r76 | fi | ||
Jan Wagner
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r75 | if [ "$KERNELSRC_CONFIG" = true ] ; then | ||
# Load default raspberry kernel configuration | ||||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" | ||
Jan Wagner
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r72 | |||
drtyhlpr
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r128 | if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then | ||
cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config | ||||
root
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r101 | fi | ||
Jan Wagner
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r75 | # Start menu-driven kernel configuration (interactive) | ||
if [ "$KERNEL_MENUCONFIG" = true ] ; then | ||||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig | ||
Jan Wagner
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r75 | fi | ||
Jan Wagner
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r72 | fi | ||
Jan Wagner
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r71 | |||
Jan Wagner
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r75 | # Cross compile kernel and modules | ||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" zImage modules dtbs | ||
Jan Wagner
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r75 | fi | ||
Filip Pytloun
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r56 | |||
Jan Wagner
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r72 | # Check if kernel compilation was successful | ||
drtyhlpr
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r94 | if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" ] ; then | ||
Jan Wagner
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r75 | echo "error: kernel compilation failed! (zImage not found)" | ||
Jan Wagner
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r72 | cleanup | ||
exit 1 | ||||
fi | ||||
Filip Pytloun
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r56 | # Install kernel modules | ||
Jan Wagner
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r73 | if [ "$ENABLE_REDUCE" = true ] ; then | ||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install | ||
Jan Wagner
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r73 | else | ||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install | ||
Jan Wagner
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r75 | |||
# Install kernel firmware | ||||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install | ||
Jan Wagner
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r73 | fi | ||
Filip Pytloun
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r60 | |||
# Install kernel headers | ||||
Jan Wagner
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r76 | if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then | ||
drtyhlpr
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r94 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install | ||
Filip Pytloun
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r60 | fi | ||
Filip Pytloun
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r56 | |||
Jan Wagner
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r75 | # Prepare boot (firmware) directory | ||
drtyhlpr
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r94 | mkdir "${BOOT_DIR}" | ||
Jan Wagner
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r75 | |||
# Get kernel release version | ||||
drtyhlpr
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r94 | KERNEL_VERSION=`cat "${KERNEL_DIR}/include/config/kernel.release"` | ||
Jan Wagner
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r75 | |||
# Copy kernel configuration file to the boot directory | ||||
drtyhlpr
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r94 | install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}" | ||
Jan Wagner
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r75 | |||
# Copy dts and dtb device tree sources and binaries | ||||
drtyhlpr
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r94 | mkdir "${BOOT_DIR}/overlays" | ||
install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb "${BOOT_DIR}/" | ||||
install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb* "${BOOT_DIR}/overlays/" | ||||
install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README" | ||||
Jan Wagner
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r82 | |||
if [ "$ENABLE_UBOOT" = false ] ; then | ||||
# Convert and copy zImage kernel to the boot directory | ||||
drtyhlpr
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r94 | "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" "${BOOT_DIR}/${KERNEL_IMAGE}" | ||
Jan Wagner
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r82 | else | ||
# Copy zImage kernel to the boot directory | ||||
drtyhlpr
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r94 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" "${BOOT_DIR}/${KERNEL_IMAGE}" | ||
Jan Wagner
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r82 | fi | ||
Jan Wagner
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r67 | |||
# Remove kernel sources | ||||
Jan Wagner
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r75 | if [ "$KERNEL_REMOVESRC" = true ] ; then | ||
drtyhlpr
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r94 | rm -fr "${KERNEL_DIR}" | ||
Michal Svamberg
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r104 | else | ||
make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare | ||||
Stephen A. Brandli
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r83 | fi | ||
Jan Wagner
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r77 | |||
Jan Wagner
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r70 | else # BUILD_KERNEL=false | ||
Filip Pytloun
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r56 | # Kernel installation | ||
Jan Wagner
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r75 | chroot_exec apt-get -qq -y --no-install-recommends install linux-image-"${COLLABORA_KERNEL}" raspberrypi-bootloader-nokernel | ||
Filip Pytloun
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r56 | |||
# Install flash-kernel last so it doesn't try (and fail) to detect the platform in the chroot | ||||
chroot_exec apt-get -qq -y install flash-kernel | ||||
Jan Wagner
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r77 | # Check if kernel installation was successful | ||
Jan Wagner
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r82 | VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)" | ||
Jan Wagner
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r77 | if [ -z "$VMLINUZ" ] ; then | ||
echo "error: kernel installation failed! (/boot/vmlinuz-* not found)" | ||||
cleanup | ||||
exit 1 | ||||
fi | ||||
# Copy vmlinuz kernel to the boot directory | ||||
drtyhlpr
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r94 | install_readonly "${VMLINUZ}" "${BOOT_DIR}/${KERNEL_IMAGE}" | ||
Filip Pytloun
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r56 | fi | ||
drtyhlpr
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r128 | # Create symlinks for kernel modules | ||
ln -sf "${KERNEL_DIR}" "${R}/lib/modules/${KERNEL_VERSION}/build" | ||||
ln -sf "${KERNEL_DIR}" "${R}/lib/modules/${KERNEL_VERSION}/source" | ||||
Filip Pytloun
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r56 | |||
Jan Wagner
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r71 | # Install and setup fstab | ||
drtyhlpr
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r94 | install_readonly files/mount/fstab "${ETC_DIR}/fstab" | ||
Jan Wagner
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r77 | |||
# Add usb/sda disk root partition to fstab | ||||
Jan Wagner
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r82 | if [ "$ENABLE_SPLITFS" = true ] && [ "$ENABLE_CRYPTFS" = false ] ; then | ||
drtyhlpr
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r94 | sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/fstab" | ||
Jan Wagner
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r77 | fi | ||
# Add encrypted root partition to fstab and crypttab | ||||
if [ "$ENABLE_CRYPTFS" = true ] ; then | ||||
# Replace fstab root partition with encrypted partition mapping | ||||
drtyhlpr
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r94 | sed -i "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING}/" "${ETC_DIR}/fstab" | ||
Jan Wagner
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r77 | |||
# Add encrypted partition to crypttab and fstab | ||||
drtyhlpr
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r94 | install_readonly files/mount/crypttab "${ETC_DIR}/crypttab" | ||
echo "${CRYPTFS_MAPPING} /dev/mmcblk0p2 none luks" >> "${ETC_DIR}/crypttab" | ||||
Jan Wagner
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r82 | |||
if [ "$ENABLE_SPLITFS" = true ] ; then | ||||
# Add usb/sda disk to crypttab | ||||
drtyhlpr
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r94 | sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/crypttab" | ||
Jan Wagner
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r82 | fi | ||
Jan Wagner
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r77 | fi | ||
# Generate initramfs file | ||||
if [ "$ENABLE_INITRAMFS" = true ] ; then | ||||
if [ "$ENABLE_CRYPTFS" = true ] ; then | ||||
Jan Wagner
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r82 | # Include initramfs scripts to auto expand encrypted root partition | ||
if [ "$EXPANDROOT" = true ] ; then | ||||
drtyhlpr
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r94 | install_exec files/initramfs/expand_encrypted_rootfs "${ETC_DIR}/initramfs-tools/scripts/init-premount/expand_encrypted_rootfs" | ||
install_exec files/initramfs/expand-premount "${ETC_DIR}/initramfs-tools/scripts/local-premount/expand-premount" | ||||
install_exec files/initramfs/expand-tools "${ETC_DIR}/initramfs-tools/hooks/expand-tools" | ||||
Jan Wagner
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r82 | fi | ||
# Disable SSHD inside initramfs | ||||
drtyhlpr
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r94 | printf "#\n# DROPBEAR: [ y | n ]\n#\n\nDROPBEAR=n\n" >> "${ETC_DIR}/initramfs-tools/initramfs.conf" | ||
Jan Wagner
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r82 | |||
Jan Wagner
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r77 | # Dummy mapping required by mkinitramfs | ||
echo "0 1 crypt $(echo ${CRYPTFS_CIPHER} | cut -d ':' -f 1) ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 7:0 4096" | chroot_exec dmsetup create "${CRYPTFS_MAPPING}" | ||||
# Generate initramfs with encrypted root partition support | ||||
chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}" | ||||
# Remove dummy mapping | ||||
chroot_exec cryptsetup close "${CRYPTFS_MAPPING}" | ||||
else | ||||
# Generate initramfs without encrypted root partition support | ||||
chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}" | ||||
fi | ||||
Vincent Knecht
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r66 | fi | ||