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recompile
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recompile
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#!/bin/bash
#==============================================================================================
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
#
# This file is a part of the Rebuild Armbian
# https://github.com/ophub/amlogic-s9xxx-armbian
#
# Description: Run on the x86_64 and aarch64 platforms (ubuntu/debian), Compile the kernel.
# Copyright (C) 2021~ https://www.kernel.org
# Copyright (C) 2021~ https://github.com/unifreq
# Copyright (C) 2021~ https://github.com/ophub/amlogic-s9xxx-armbian
#
# Command: sudo ./recompile
# Command optional parameters please refer to the source code repository
#
#======================================= Functions list =======================================
#
# error_msg : Output error message
# mount_try : Mount the image file, fail again
#
# init_var : Initialize all variables
# toolchain_check : Check and install the cross-compilation toolchain
# query_version : Query the latest kernel version
# apply_patch : Apply custom kernel patches
# get_kernel_source : Get the kernel source code
#
# chroot_armbian : Chroot into Armbian to generate initrd.img, uInitrd and make scripts
# compile_env : Set up the compile kernel environment
# compile_dtbs : Compile the dtbs
# compile_kernel : Compile the kernel
# packit_dtbs : Packit dtbs files
# packit_kernel : Packit boot, modules and header files
# compile_selection : Choose to compile dtbs or all kernels
# clean_tmp : Clear temporary files
#
# loop_recompile : Loop to compile kernel
#
#=============================== Set make environment variables ===============================
#
# Related file storage path
current_path="${PWD}"
compile_path="${current_path}/compile-kernel"
kernel_path="${compile_path}/kernel"
config_path="${compile_path}/tools/config"
script_path="${compile_path}/tools/script"
kernel_patch_path="${compile_path}/tools/patch"
armbian_path="${compile_path}/tools/armbian"
armbian_file="${armbian_path}/armbian.img"
output_path="${compile_path}/output"
chroot_path="${output_path}/chroot"
chroot_file="${chroot_path}/chroot_armbian.img"
[[ -d "${kernel_path}" ]] || mkdir -p ${kernel_path}
[[ -d "${output_path}" ]] || mkdir -p ${output_path}
# Set the system file path to be used
arch_info="$(uname -m)"
host_release="$(cat /etc/os-release | grep '^VERSION_CODENAME=.*' | cut -d'=' -f2)"
# Set the default for downloading kernel sources from github.com
repo_owner="unifreq"
repo_branch="main"
build_kernel=("6.1.y" "6.6.y")
# Set whether to use the latest kernel, options: [ true / false ]
auto_kernel="true"
# Set whether to apply custom kernel patches, options: [ true / false ]
auto_patch="false"
# Set custom signature for the kernel
custom_name="-ophub"
# Set the kernel compile object, options: [ dtbs / all ]
package_list="all"
# Set the compression format, options: [ gzip / lzma / xz / zstd ]
compress_format="xz"
# Cross compile toolchain download mirror
dev_repo="https://github.com/ophub/kernel/releases/download/dev"
# Arm GNU Toolchain source: https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
gun_file_x86_64="arm-gnu-toolchain-13.2.rel1-x86_64-aarch64-none-linux-gnu.tar.xz"
gun_file_aarch64="arm-gnu-toolchain-13.2.rel1-aarch64-aarch64-none-elf.tar.xz"
# Armenian file source: https://github.com/ophub/amlogic-s9xxx-armbian/releases
armbian_rootfs_file="armbian.tar.xz"
# Set the toolchain path
toolchain_path="/usr/local/toolchain"
# Set the default cross-compilation toolchain: [ gcc / clang ]
toolchain_name="gcc"
# QEMU BINARY
qemu_binary_arm64="qemu-aarch64-static"
# Set font color
STEPS="[\033[95m STEPS \033[0m]"
INFO="[\033[94m INFO \033[0m]"
SUCCESS="[\033[92m SUCCESS \033[0m]"
WARNING="[\033[93m WARNING \033[0m]"
ERROR="[\033[91m ERROR \033[0m]"
#
#==============================================================================================
error_msg() {
echo -e "${ERROR} ${1}"
exit 1
}
mount_try() {
# Check mount parameters
m_dev="${1}"
m_target="${2}"
[[ -n "${m_dev}" && -n "${m_target}" ]] || {
error_msg "Mount parameter is missing: [ ${m_dev}, ${m_target} ]"
}
t="1"
max_try="10"
while [[ "${t}" -le "${max_try}" ]]; do
mount ${m_dev} ${m_target}
if [[ "${?}" -eq "0" ]]; then
break
else
sync && sleep 3
umount -f ${m_target} 2>/dev/null
t="$((t + 1))"
fi
done
[[ "${t}" -gt "${max_try}" ]] && error_msg "[ ${t} ] attempts to mount failed."
}
init_var() {
echo -e "${STEPS} Start Initializing Variables..."
# If it is followed by [ : ], it means that the option requires a parameter value
get_all_ver="$(getopt "k:a:n:m:p:r:t:c:" "${@}")"
while [[ -n "${1}" ]]; do
case "${1}" in
-k | --Kernel)
if [[ -n "${2}" ]]; then
oldIFS="${IFS}"
IFS="_"
build_kernel=(${2})
IFS="${oldIFS}"
shift
else
error_msg "Invalid -k parameter [ ${2} ]!"
fi
;;
-a | --AutoKernel)
if [[ -n "${2}" ]]; then
auto_kernel="${2}"
shift
else
error_msg "Invalid -a parameter [ ${2} ]!"
fi
;;
-n | --customName)
if [[ -n "${2}" ]]; then
custom_name="${2// /}"
[[ "${custom_name:0:1}" != "-" ]] && custom_name="-${custom_name}"
shift
else
error_msg "Invalid -n parameter [ ${2} ]!"
fi
;;
-m | --MakePackage)
if [[ -n "${2}" ]]; then
package_list="${2}"
shift
else
error_msg "Invalid -m parameter [ ${2} ]!"
fi
;;
-p | --AutoPatch)
if [[ -n "${2}" ]]; then
auto_patch="${2}"
shift
else
error_msg "Invalid -p parameter [ ${2} ]!"
fi
;;
-r | --Repository)
if [[ -n "${2}" ]]; then
repo_owner="${2}"
shift
else
error_msg "Invalid -r parameter [ ${2} ]!"
fi
;;
-t | --Toolchain)
if [[ -n "${2}" ]]; then
toolchain_name="${2}"
shift
else
error_msg "Invalid -t parameter [ ${2} ]!"
fi
;;
-c | --Compress)
if [[ -n "${2}" ]]; then
compress_format="${2}"
shift
else
error_msg "Invalid -c parameter [ ${2} ]!"
fi
;;
*)
error_msg "Invalid option [ ${1} ]!"
;;
esac
shift
done
# Receive the value entered by the [ -r ] parameter
input_r_value="${repo_owner//https\:\/\/github\.com\//}"
code_owner="$(echo "${input_r_value}" | awk -F '@' '{print $1}' | awk -F '/' '{print $1}')"
code_repo="$(echo "${input_r_value}" | awk -F '@' '{print $1}' | awk -F '/' '{print $2}')"
code_branch="$(echo "${input_r_value}" | awk -F '@' '{print $2}')"
#
[[ -n "${code_owner}" ]] || error_msg "The [ -r ] parameter is invalid."
[[ -n "${code_branch}" ]] || code_branch="${repo_branch}"
# Set cross compilation parameters
export SRC_ARCH="arm64"
export LOCALVERSION="${custom_name}"
}
toolchain_check() {
cd ${current_path}
echo -e "${STEPS} Start checking the toolchain for compiling the kernel..."
# Install dependencies for jammy
apt-get -qq update
if [[ "${arch_info}" == "x86_64" ]]; then
apt-get -qq install -y $(cat compile-kernel/tools/script/ubuntu2204-build-armbian-depends)
else
apt-get -qq install -y $(cat compile-kernel/tools/script/armbian-compile-kernel-depends)
fi
# Download armbian
if [[ ! -f "${armbian_file}" ]]; then
echo -e "${INFO} Start downloading Armbian rootfs file [ ${armbian_rootfs_file} ]..."
rm -rf ${armbian_path} && mkdir -p ${armbian_path}
# Download Armbian rootfs file. If it fails, wait 1 minute and try again, try 10 times.
for i in {1..10}; do
curl -fsSL "${dev_repo}/${armbian_rootfs_file}" -o "${armbian_path}/${armbian_rootfs_file}"
[[ "${?}" -eq "0" ]] && break || sleep 60
done
[[ "${?}" -eq "0" ]] || error_msg "Armbian file download failed"
# Decompress the Armbian rootfs file
tar -xJf ${armbian_path}/${armbian_rootfs_file} -C ${armbian_path}
# Change other names to armbian.img
[[ -f "${armbian_file}" ]] || mv -f ${armbian_path}/*.img ${armbian_file}
# Delete download file
rm -f ${armbian_path}/${armbian_rootfs_file}
[[ -f "${armbian_file}" ]] || error_msg "There is no Armbian rootfs file: [ ${armbian_file} ]"
fi
# Set the default path
path_os_variable="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"
# Download the cross-compilation toolchain: [ clang / gcc ]
[[ -d "/etc/apt/sources.list.d" ]] || mkdir -p /etc/apt/sources.list.d
if [[ "${toolchain_name}" == "clang" ]]; then
# Install LLVM
echo -e "${INFO} Start installing the LLVM toolchain..."
apt-get -qq install -y lsb-release software-properties-common gnupg
curl -fsSL https://apt.llvm.org/llvm.sh | bash -s all
[[ "${?}" -eq "0" ]] || error_msg "LLVM installation failed."
# Set cross compilation parameters
export PATH="${path_os_variable}"
export CROSS_COMPILE="aarch64-linux-gnu-"
export CC="clang"
export LD="ld.lld"
export MFLAGS=" LLVM=1 LLVM_IAS=1 "
else
# Choosing Arm GNU Toolchain based on the platform
if [[ "${arch_info}" == "x86_64" ]]; then
gun_file="${gun_file_x86_64}"
gun_bin="aarch64-none-linux-gnu-"
else
gun_file="${gun_file_aarch64}"
gun_bin="aarch64-none-elf-"
fi
# Download Arm GNU Toolchain
[[ -d "${toolchain_path}" ]] || mkdir -p ${toolchain_path}
if [[ ! -d "${toolchain_path}/${gun_file//.tar.xz/}/bin" ]]; then
echo -e "${INFO} Start downloading the ARM GNU toolchain [ ${gun_file} ]..."
# Download the ARM GNU toolchain file. If it fails, wait 1 minute and try again, try 10 times.
for i in {1..10}; do
curl -fsSL "${dev_repo}/${gun_file}" -o "${toolchain_path}/${gun_file}"
[[ "${?}" -eq "0" ]] && break || sleep 60
done
[[ "${?}" -eq "0" ]] || error_msg "GNU toolchain file download failed."
# Decompress the ARM GNU toolchain file
tar -xJf ${toolchain_path}/${gun_file} -C ${toolchain_path}
rm -f ${toolchain_path}/${gun_file}
# List and check directory names, and change them all to lowercase
for dir in $(ls ${toolchain_path}); do
if [[ -d "${toolchain_path}/${dir}" && "${dir}" != "${dir,,}" ]]; then
mv -f ${toolchain_path}/${dir} ${toolchain_path}/${dir,,}
fi
done
[[ -d "${toolchain_path}/${gun_file//.tar.xz/}/bin" ]] || error_msg "The gcc is not set!"
fi
# Add ${PATH} variable
path_gcc="${toolchain_path}/${gun_file//.tar.xz/}/bin:${path_os_variable}"
export PATH="${path_gcc}"
# Set cross compilation parameters
export CROSS_COMPILE="${toolchain_path}/${gun_file//.tar.xz/}/bin/${gun_bin}"
export CC="${CROSS_COMPILE}gcc"
export LD="${CROSS_COMPILE}ld.bfd"
export MFLAGS=""
fi
}
query_version() {
cd ${current_path}
echo -e "${STEPS} Start querying the latest kernel version..."
# Set empty array
tmp_arr_kernels=()
# Query the latest kernel in a loop
i=1
for KERNEL_VAR in "${build_kernel[@]}"; do
echo -e "${INFO} (${i}) Auto query the latest kernel version of the same series for [ ${KERNEL_VAR} ]"
# Identify the kernel mainline
MAIN_LINE="$(echo ${KERNEL_VAR} | awk -F '.' '{print $1"."$2}')"
if [[ -z "${code_repo}" ]]; then linux_repo="linux-${MAIN_LINE}.y"; else linux_repo="${code_repo}"; fi
github_kernel_repo="${code_owner}/${linux_repo}/${code_branch}"
github_kernel_ver="https://raw.githubusercontent.com/${github_kernel_repo}/Makefile"
# latest_version="125"
latest_version="$(curl -s ${github_kernel_ver} | grep -oE "SUBLEVEL =.*" | head -n 1 | grep -oE '[0-9]{1,3}')"
if [[ "${?}" -eq "0" && -n "${latest_version}" ]]; then
tmp_arr_kernels[${i}]="${MAIN_LINE}.${latest_version}"
else
error_msg "Failed to query the kernel version in [ github.com/${github_kernel_repo} ]"
fi
echo -e "${INFO} (${i}) [ ${tmp_arr_kernels[$i]} ] is github.com/${github_kernel_repo} latest kernel. \n"
let i++
done
# Reset the kernel array to the latest kernel version
build_kernel=(${tmp_arr_kernels[@]})
}
apply_patch() {
cd ${current_path}
echo -e "${STEPS} Start applying custom kernel patches..."
# Apply the common kernel patches
if [[ -d "${kernel_patch_path}/common-kernel-patches" ]]; then
echo -e "${INFO} Copy common kernel patches..."
cp -vf ${kernel_patch_path}/common-kernel-patches/*.patch -t ${kernel_path}/${local_kernel_path}
cd ${kernel_path}/${local_kernel_path}
for file in *.patch; do
echo -e "${INFO} Apply kernel patch file: [ ${file} ]"
patch -p1 <"${file}"
done
rm -f *.patch
else
echo -e "${INFO} No common kernel patches, skipping."
fi
# Apply the dedicated kernel patches
if [[ -d "${kernel_patch_path}/${local_kernel_path}" ]]; then
echo -e "${INFO} Copy [ ${local_kernel_path} ] version dedicated kernel patches..."
cp -vf ${kernel_patch_path}/${local_kernel_path}/*.patch -t ${kernel_path}/${local_kernel_path}
cd ${kernel_path}/${local_kernel_path}
for file in *.patch; do
echo -e "${INFO} Apply kernel patch file: [ ${file} ]"
patch -p1 <"${file}"
done
rm -f *.patch
else
echo -e "${INFO} No [ ${local_kernel_path} ] version dedicated kernel patches, skipping."
fi
}
get_kernel_source() {
cd ${current_path}
echo -e "${STEPS} Start downloading the kernel source code..."
[[ -d "${kernel_path}" ]] || mkdir -p ${kernel_path}
# Download the kernel source code from github.com
if [[ ! -d "${kernel_path}/${local_kernel_path}" ]]; then
echo -e "${INFO} Start cloning from [ https://github.com/${server_kernel_repo} -b ${code_branch} ]"
# Clone the latest kernel source code. If it fails, wait 1 minute and try again, try 10 times.
for i in {1..10}; do
git clone -q --single-branch --depth=1 --branch=${code_branch} https://github.com/${server_kernel_repo} ${kernel_path}/${local_kernel_path}
[[ "${?}" -eq "0" ]] && break || sleep 60
done
[[ "${?}" -eq "0" ]] || error_msg "[ https://github.com/${server_kernel_repo} ] Clone failed."
else
# Get a local kernel version
local_makefile="${kernel_path}/${local_kernel_path}/Makefile"
local_makefile_version="$(cat ${local_makefile} | grep -oE "VERSION =.*" | head -n 1 | grep -oE '[0-9]{1,3}')"
local_makefile_patchlevel="$(cat ${local_makefile} | grep -oE "PATCHLEVEL =.*" | head -n 1 | grep -oE '[0-9]{1,3}')"
local_makefile_sublevel="$(cat ${local_makefile} | grep -oE "SUBLEVEL =.*" | head -n 1 | grep -oE '[0-9]{1,3}')"
# Local version and server version comparison
if [[ "${auto_kernel}" == "true" || "${auto_kernel}" == "yes" ]] && [[ "${kernel_sub}" -gt "${local_makefile_sublevel}" ]]; then
# Pull the latest source code of the server
cd ${kernel_path}/${local_kernel_path}
git checkout ${code_branch} && git reset --hard origin/${code_branch} && git pull
kernel_version="${local_makefile_version}.${local_makefile_patchlevel}.${kernel_sub}"
echo -e "${INFO} Synchronize the upstream source code, compile the kernel version [ ${kernel_version} ]."
else
# Reset to local kernel version number
kernel_version="${local_makefile_version}.${local_makefile_patchlevel}.${local_makefile_sublevel}"
echo -e "${INFO} Use local source code, compile the kernel version [ ${kernel_version} ]."
fi
fi
# Remove the local version number
rm -f ${kernel_path}/${local_kernel_path}/localversion
# Apply custom kernel patches
[[ "${auto_patch}" == "true" || "${auto_patch}" == "yes" ]] && apply_patch
}
chroot_armbian() {
cd ${current_path}
echo -e "${STEPS} Create chroot..."
rm -f ${chroot_file}
cp -f ${armbian_file} ${chroot_file}
# Mount the armbian system
tag_rootfs="${chroot_path}/root"
loop_armbian="$(losetup -P -f --show "${chroot_file}")"
[[ -n "${loop_armbian}" ]] || error_msg "losetup ${chroot_file} failed."
mount_try ${loop_armbian}p2 ${tag_rootfs}
mount_try ${loop_armbian}p1 ${tag_rootfs}/boot
ARMBIAN_PLATFORM="$(cat ${tag_rootfs}/etc/ophub-release 2>/dev/null | grep -E "^PLATFORM=.*" | cut -d"'" -f2)"
echo -e "${INFO} Armbian PLATFORM: [ ${ARMBIAN_PLATFORM} ]"
echo -e "${INFO} Copy the kernel files to the armbian system..."
# Remove current system files for /boot
rm -f ${tag_rootfs}/boot/{config-*,initrd.img-*,System.map-*,vmlinuz-*,uInitrd*,*Image}
# Copy /boot related files into armbian system
cp -f ${kernel_path}/${local_kernel_path}/System.map ${tag_rootfs}/boot/System.map-${kernel_outname}
cp -f ${kernel_path}/${local_kernel_path}/.config ${tag_rootfs}/boot/config-${kernel_outname}
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/Image ${tag_rootfs}/boot/vmlinuz-${kernel_outname}
if [[ "${ARMBIAN_PLATFORM}" == "rockchip" || "${ARMBIAN_PLATFORM}" == "allwinner" ]]; then
cp -f ${tag_rootfs}/boot/vmlinuz-${kernel_outname} ${tag_rootfs}/boot/Image
else
cp -f ${tag_rootfs}/boot/vmlinuz-${kernel_outname} ${tag_rootfs}/boot/zImage
fi
#echo -e "${INFO} Kernel copy results in the [ ${tag_rootfs}/boot ] directory: \n$(ls -l ${tag_rootfs}/boot) \n"
# Remove current system files for /usr/lib/modules
rm -rf ${tag_rootfs}/usr/lib/modules/*
# Copy /usr/lib/modules related files into armbian system
cp -rf ${output_path}/modules/lib/modules/${kernel_outname} -t ${tag_rootfs}/usr/lib/modules
#echo -e "${INFO} Kernel copy results in the [ ${tag_rootfs}/usr/lib/modules ] directory: \n$(ls -l ${tag_rootfs}/usr/lib/modules) \n"
cd ${kernel_path}/${local_kernel_path}
echo -e "${INFO} Copy the kernel source tree to the armbian system..."
# Set the kernel source tree path
armbian_kernel_path="${tag_rootfs}/opt/linux-kernel"
mkdir -p ${armbian_kernel_path}
# Set the git configuration and copy the kernel source tree
git config --global --add safe.directory ${PWD}
git archive --format=tar ${code_branch} | tar xf - -C ${armbian_kernel_path}
cp -f .config Module.symvers ${armbian_kernel_path}
[[ "${?}" -eq "0" ]] || error_msg "Copy the kernel source tree to the armbian system failed."
cd ${current_path}
# COMPRESS: [ gzip | lzma | xz | zstd ]
[[ "${kernel_outname}" =~ ^5.4.[0-9]+ ]] && compress_format="xz"
compress_initrd_file="${tag_rootfs}/etc/initramfs-tools/initramfs.conf"
if [[ -f "${compress_initrd_file}" ]]; then
sed -i "s|^COMPRESS=.*|COMPRESS=${compress_format}|g" ${compress_initrd_file}
compress_settings="$(cat ${compress_initrd_file} | grep -E ^COMPRESS=)"
echo -e "${INFO} Set the [ ${compress_settings} ] in the initramfs.conf file."
else
error_msg "The [ ${compress_initrd_file} ] file does not exist."
fi
echo -e "${INFO} Copy the [ ${qemu_binary_arm64} ] file to the armbian system..."
[[ -f "/usr/bin/${qemu_binary_arm64}" ]] && cp -f /usr/bin/${qemu_binary_arm64} ${tag_rootfs}/usr/bin/
#echo -e "${INFO} The [ ${qemu_binary_arm64} ] file copy results: \n$(ls -l ${tag_rootfs}/usr/bin/${qemu_binary_arm64}) \n"
echo -e "${INFO} Copy the [ ubuntu_chroot_armbian.sh ] script to the armbian system..."
cp -f ${script_path}/ubuntu_chroot_armbian.sh ${tag_rootfs}/root
chmod +x ${tag_rootfs}/root/ubuntu_chroot_armbian.sh
sync && sleep 3
#echo -e "${INFO} Kernel copy results in the [ ${tag_rootfs}/root ] directory: \n$(ls -l ${tag_rootfs}/root) \n"
# Enter the armbian system to generate /boot/uInitrd-${kernel_outname} file
echo -e "${STEPS} Enter the chroot Armbian system..."
mount -t proc /proc ${tag_rootfs}/proc
mount --bind /dev ${tag_rootfs}/dev
mount --bind /dev/pts ${tag_rootfs}/dev/pts
mount --bind /proc/$$/fd ${tag_rootfs}/dev/fd
chmod 0666 ${tag_rootfs}/dev/null
chroot ${tag_rootfs} /bin/bash -c "/root/ubuntu_chroot_armbian.sh ${kernel_outname}"
[[ "${?}" -eq "0" && -f "${tag_rootfs}/boot/uInitrd-${kernel_outname}" ]] || error_msg "Create chroot uInitrd-${kernel_outname} file failed."
cd ${current_path}
echo -e "${STEPS} Start copying files from Armbian system..."
# Copy the generated uInitrd file to the current system
echo -e "${INFO} Copy the boot files from armbian [ /boot ]"
cp -rf ${tag_rootfs}/boot/*${kernel_outname} ${output_path}/boot
# Copy the generated header files to the current system
echo -e "${INFO} Copy the header files from armbian [ /opt/header ]"
cp -f ${tag_rootfs}/opt/header/header-${kernel_outname}.tar.gz ${output_path}/${kernel_version}
# Unmount the armbian system
sync && sleep 3
umount ${tag_rootfs}/dev/fd 2>/dev/null
umount ${tag_rootfs}/dev/pts 2>/dev/null
umount ${tag_rootfs}/dev 2>/dev/null
umount ${tag_rootfs}/proc 2>/dev/null
umount ${tag_rootfs}/boot 2>/dev/null
umount ${tag_rootfs} 2>/dev/null
losetup -D 2>/dev/null
}
compile_env() {
cd ${current_path}
echo -e "${STEPS} Start checking local compilation environments..."
# Get kernel output name
kernel_outname="${kernel_version}${custom_name}"
echo -e "${INFO} Compile kernel output name: [ ${kernel_outname} ]"
# Create a temp directory
echo -e "${INFO} Create a temp directory: [ ${output_path} ]"
rm -rf ${output_path}/{chroot/,boot/,dtb/,modules/,header/,${kernel_version}/}
mkdir -p ${output_path}/{chroot/{root/boot/,},boot/,dtb/{allwinner/,amlogic/,rockchip/},modules/,header/,${kernel_version}/}
cd ${kernel_path}/${local_kernel_path}
echo -e "${STEPS} Set cross compilation parameters..."
# Show variable
echo -e "${INFO} ARCH: [ ${SRC_ARCH} ]"
echo -e "${INFO} LOCALVERSION: [ ${LOCALVERSION} ]"
echo -e "${INFO} CROSS_COMPILE: [ ${CROSS_COMPILE} ]"
echo -e "${INFO} CC: [ ${CC} ]"
echo -e "${INFO} LD: [ ${LD} ]"
# Set generic make string
MAKE_SET_STRING=" ARCH=${SRC_ARCH} CROSS_COMPILE=${CROSS_COMPILE} CC=${CC} LD=${LD} ${MFLAGS} LOCALVERSION=${LOCALVERSION} "
# Make clean/mrproper
make ${MAKE_SET_STRING} mrproper
# Check .config file
if [[ ! -s ".config" ]]; then
[[ -s "${config_path}/config-${kernel_verpatch}" ]] || error_msg "Missing [ config-${kernel_verpatch} ] template!"
echo -e "${INFO} Copy [ ${config_path}/config-${kernel_verpatch} ] to [ .config ]"
cp -f ${config_path}/config-${kernel_verpatch} .config
else
echo -e "${INFO} Use the .config file in the current directory."
fi
# Clear kernel signature
sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"\"|" .config
# Enable/Disabled Linux Kernel Clang LTO
[[ "${toolchain_name}" == "clang" ]] && {
kernel_x="$(echo "${kernel_version}" | cut -d '.' -f1)"
kernel_y="$(echo "${kernel_version}" | cut -d '.' -f2)"
if [[ "${kernel_x}" -ge "6" ]] || [[ "${kernel_x}" -eq "5" && "${kernel_y}" -ge "12" ]]; then
scripts/config -e LTO_CLANG_THIN
else
scripts/config -d LTO_CLANG_THIN
fi
}
# Make menuconfig
#make ${MAKE_SET_STRING} menuconfig
# Set max process
PROCESS="$(cat /proc/cpuinfo | grep "processor" | wc -l)"
[[ -z "${PROCESS}" || "${PROCESS}" -lt "1" ]] && PROCESS="1" && echo "PROCESS: 1"
}
compile_dtbs() {
cd ${kernel_path}/${local_kernel_path}
# Make dtbs
echo -e "${STEPS} Start compilation dtbs [ ${local_kernel_path} ]..."
make ${MAKE_SET_STRING} dtbs -j${PROCESS}
[[ "${?}" -eq "0" ]] && echo -e "${SUCCESS} The dtbs is compiled successfully."
}
compile_kernel() {
cd ${kernel_path}/${local_kernel_path}
# Make kernel
echo -e "${STEPS} Start compilation kernel [ ${local_kernel_path} ]..."
make ${MAKE_SET_STRING} Image modules dtbs -j${PROCESS}
[[ "${?}" -eq "0" ]] && echo -e "${SUCCESS} The kernel is compiled successfully."
# Install modules
echo -e "${STEPS} Install modules..."
make ${MAKE_SET_STRING} INSTALL_MOD_PATH=${output_path}/modules modules_install
[[ "${?}" -eq "0" ]] && echo -e "${SUCCESS} The modules is installed successfully."
# Strip debug information
STRIP="${CROSS_COMPILE}strip"
find ${output_path}/modules -name "*.ko" -print0 | xargs -0 ${STRIP} --strip-debug 2>/dev/null
[[ "${?}" -eq "0" ]] && echo -e "${SUCCESS} The modules is stripped successfully."
# Chroot into Armbian to generate initrd.img, uInitrd and make scripts
chroot_armbian
}
packit_dtbs() {
# Pack 3 dtbs files
echo -e "${STEPS} Packing the [ ${kernel_outname} ] dtbs packages..."
cd ${output_path}/dtb/allwinner
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/allwinner/*.dtb . 2>/dev/null
[[ "${?}" -eq "0" ]] && {
[[ -d "${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/allwinner/overlay" ]] && {
mkdir -p overlay
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/allwinner/overlay/*.dtbo overlay/ 2>/dev/null
}
tar -czf dtb-allwinner-${kernel_outname}.tar.gz *
mv -f *.tar.gz ${output_path}/${kernel_version}
echo -e "${SUCCESS} The [ dtb-allwinner-${kernel_outname}.tar.gz ] file is packaged."
}
cd ${output_path}/dtb/amlogic
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/amlogic/*.dtb . 2>/dev/null
[[ "${?}" -eq "0" ]] && {
[[ -d "${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/amlogic/overlay" ]] && {
mkdir -p overlay
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/amlogic/overlay/*.dtbo overlay/ 2>/dev/null
}
tar -czf dtb-amlogic-${kernel_outname}.tar.gz *
mv -f *.tar.gz ${output_path}/${kernel_version}
echo -e "${SUCCESS} The [ dtb-amlogic-${kernel_outname}.tar.gz ] file is packaged."
}
cd ${output_path}/dtb/rockchip
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/rockchip/*.dtb . 2>/dev/null
[[ "${?}" -eq "0" ]] && {
[[ -d "${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/rockchip/overlay" ]] && {
mkdir -p overlay
cp -f ${kernel_path}/${local_kernel_path}/arch/arm64/boot/dts/rockchip/overlay/*.dtbo overlay/ 2>/dev/null
}
tar -czf dtb-rockchip-${kernel_outname}.tar.gz *
mv -f *.tar.gz ${output_path}/${kernel_version}
echo -e "${SUCCESS} The [ dtb-rockchip-${kernel_outname}.tar.gz ] file is packaged."
}
}
packit_kernel() {
# Pack 3 kernel files
echo -e "${STEPS} Packing the [ ${kernel_outname} ] boot, modules and header packages..."
cd ${output_path}/boot
rm -rf dtb-*
chmod +x *
tar -czf boot-${kernel_outname}.tar.gz *
mv -f *.tar.gz ${output_path}/${kernel_version}
echo -e "${SUCCESS} The [ boot-${kernel_outname}.tar.gz ] file is packaged."
cd ${output_path}/modules/lib/modules
tar -czf modules-${kernel_outname}.tar.gz *
mv -f *.tar.gz ${output_path}/${kernel_version}
echo -e "${SUCCESS} The [ modules-${kernel_outname}.tar.gz ] file is packaged."
cd ${output_path}/${kernel_version}
[[ -n "$(ls header-${kernel_outname}.tar.gz 2>/dev/null)" ]] && {
echo -e "${SUCCESS} The [ header-${kernel_outname}.tar.gz ] file is packaged."
}
}
compile_selection() {
# Compile by selection
if [[ "${package_list}" == "dtbs" ]]; then
compile_dtbs
packit_dtbs
else
compile_kernel
packit_dtbs
packit_kernel
fi
# Add sha256sum integrity verification file
cd ${output_path}/${kernel_version}
sha256sum * >sha256sums
echo -e "${SUCCESS} The [ sha256sums ] file has been generated"
cd ${output_path}
tar -czf ${kernel_version}.tar.gz ${kernel_version}
echo -e "${INFO} Kernel series files are stored in [ ${output_path} ]."
}
clean_tmp() {
cd ${current_path}
echo -e "${STEPS} Clear the space and update-grub..."
sync && sleep 3
rm -rf ${output_path}/{chroot/,boot/,dtb/,modules/,header/,${kernel_version}/}
update-grub 2>/dev/null
echo -e "${SUCCESS} All processes have been completed."
}
loop_recompile() {
cd ${current_path}
j="1"
for k in "${build_kernel[@]}"; do
# kernel_version, such as [ 6.1.15 ]
kernel_version="${k}"
# kernel <VERSION> and <PATCHLEVEL>, such as [ 6.1 ]
kernel_verpatch="$(echo ${kernel_version} | awk -F '.' '{print $1"."$2}')"
# kernel <SUBLEVEL>, such as [ 15 ]
kernel_sub="$(echo ${kernel_version} | awk -F '.' '{print $3}')"
# The loop variable assignment
if [[ -z "${code_repo}" ]]; then
server_kernel_repo="${code_owner}/linux-${kernel_verpatch}.y"
local_kernel_path="linux-${kernel_verpatch}.y"
else
server_kernel_repo="${code_owner}/${code_repo}"
local_kernel_path="${code_repo}-${code_branch}"
fi
# Execute the following functions in sequence
get_kernel_source
compile_env
compile_selection
clean_tmp
let j++
done
}
# Show welcome message
echo -e "${STEPS} Welcome to compile kernel! \n"
echo -e "${INFO} Server running on Ubuntu: [ Release: ${host_release} / Host: ${arch_info} ] \n"
# Check script permission, supports running on the x86_64 and aarch64 platforms (ubuntu/debian)
[[ "$(id -u)" == "0" ]] || error_msg "Please run this script as root: [ sudo ./${0} ]"
[[ "x86_64 aarch64" == *"${arch_info}"* ]] || error_msg "This script is only supported on the x86_64 and aarch64 platforms."
# Initialize variables
init_var "${@}"
# Check and install the toolchain
toolchain_check
# Query the latest kernel version
[[ "${auto_kernel}" == "true" || "${auto_kernel}" == "yes" ]] && query_version
# Show compile settings
echo -e "${INFO} Kernel compilation toolchain: [ ${toolchain_name} ]"
echo -e "${INFO} Kernel from: [ ${code_owner} ]"
echo -e "${INFO} Kernel patch: [ ${auto_patch} ]"
echo -e "${INFO} Kernel arch: [ ${SRC_ARCH} ]"
echo -e "${INFO} Kernel Package: [ ${package_list} ]"
echo -e "${INFO} kernel signature: [ ${custom_name} ]"
echo -e "${INFO} Latest kernel version: [ ${auto_kernel} ]"
echo -e "${INFO} kernel initrd compress: [ ${compress_format} ]"
echo -e "${INFO} Kernel List: [ $(echo ${build_kernel[@]} | xargs) ] \n"
# Show server start information
echo -e "${INFO} Server space usage before starting to compile: \n$(df -hT ${kernel_path}) \n"
# Loop to compile the kernel
loop_recompile
# Show server end information
echo -e "${STEPS} Server space usage after compilation: \n$(df -hT ${kernel_path}) \n"
echo -e "${SUCCESS} All process completed successfully."
# All process completed
wait