329 lines
12 KiB
Makefile
329 lines
12 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
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# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
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PKG_NAME="linux"
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PKG_LICENSE="GPL"
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PKG_VERSION="6.1.6"
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PKG_URL="https://www.kernel.org/pub/linux/kernel/v6.x/${PKG_NAME}-${PKG_VERSION}.tar.xz"
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PKG_SITE="http://www.kernel.org"
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PKG_DEPENDS_HOST="ccache:host rsync:host openssl:host"
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PKG_DEPENDS_TARGET="toolchain linux:host kmod:host cpio:host xz:host keyutils ncurses openssl:host wireless-regdb ${KERNEL_EXTRA_DEPENDS_TARGET}"
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PKG_NEED_UNPACK="${LINUX_DEPENDS} $(get_pkg_directory initramfs) $(get_pkg_variable initramfs PKG_NEED_UNPACK)"
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PKG_LONGDESC="This package contains a precompiled kernel image and the modules."
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PKG_IS_KERNEL_PKG="yes"
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PKG_STAMP="${KERNEL_TARGET} ${KERNEL_MAKE_EXTRACMD}"
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PKG_PATCH_DIRS+="${LINUX} ${DEVICE} default"
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PKG_KERNEL_CFG_FILE=$(kernel_config_path) || die
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if [ -n "${KERNEL_TOOLCHAIN}" ]; then
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PKG_DEPENDS_HOST="${PKG_DEPENDS_HOST} gcc-${KERNEL_TOOLCHAIN}:host"
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PKG_DEPENDS_TARGET="${PKG_DEPENDS_TARGET} gcc-${KERNEL_TOOLCHAIN}:host"
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HEADERS_ARCH=${TARGET_ARCH}
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fi
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if [ "${PKG_BUILD_PERF}" != "no" ] && grep -q ^CONFIG_PERF_EVENTS= ${PKG_KERNEL_CFG_FILE}; then
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PKG_BUILD_PERF="yes"
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PKG_DEPENDS_TARGET+=" binutils elfutils libunwind zlib openssl"
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fi
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if [ "${TARGET_ARCH}" = "x86_64" ]; then
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PKG_DEPENDS_TARGET+=" elfutils:host pciutils"
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PKG_DEPENDS_UNPACK+=" intel-ucode kernel-firmware"
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elif [ "${TARGET_ARCH}" = "arm" -a "${DEVICE}" = "iMX6" ]; then
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PKG_DEPENDS_UNPACK+=" firmware-imx"
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fi
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if [[ "${KERNEL_TARGET}" = uImage* ]]; then
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PKG_DEPENDS_TARGET+=" u-boot-tools:host"
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fi
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# Ensure that the dependencies of initramfs:target are built correctly, but
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# we don't want to add initramfs:target as a direct dependency as we install
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# this "manually" from within linux:target
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for pkg in $(get_pkg_variable initramfs PKG_DEPENDS_TARGET); do
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! listcontains "${PKG_DEPENDS_TARGET}" "${pkg}" && PKG_DEPENDS_TARGET+=" ${pkg}" || true
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done
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post_patch() {
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# linux was already built and its build dir autoremoved - prepare it again for kernel packages
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if [ -d ${PKG_INSTALL}/.image ]; then
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cp -p ${PKG_INSTALL}/.image/.config ${PKG_BUILD}
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kernel_make -C ${PKG_BUILD} prepare
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# restore the required Module.symvers from an earlier build
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cp -p ${PKG_INSTALL}/.image/Module.symvers ${PKG_BUILD}
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fi
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}
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make_init() {
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: # reuse make_target()
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}
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makeinstall_init() {
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if [ -n "${INITRAMFS_MODULES}" ]; then
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mkdir -p ${INSTALL}/etc
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mkdir -p ${INSTALL}/usr/lib/modules
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for i in ${INITRAMFS_MODULES}; do
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module=`find .install_pkg/$(get_full_module_dir)/kernel -name ${i}.ko`
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if [ -n "${module}" ]; then
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echo ${i} >> ${INSTALL}/etc/modules
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cp ${module} ${INSTALL}/usr/lib/modules/`basename ${module}`
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fi
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done
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fi
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if [ "${UVESAFB_SUPPORT}" = yes ]; then
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mkdir -p ${INSTALL}/usr/lib/modules
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uvesafb=`find .install_pkg/$(get_full_module_dir)/kernel -name uvesafb.ko`
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cp ${uvesafb} ${INSTALL}/usr/lib/modules/`basename ${uvesafb}`
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fi
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}
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make_host() {
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:
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}
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makeinstall_host() {
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make \
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ARCH=${HEADERS_ARCH:-${TARGET_KERNEL_ARCH}} \
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HOSTCC="${TOOLCHAIN}/bin/host-gcc" \
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HOSTCXX="${TOOLCHAIN}/bin/host-g++" \
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HOSTCFLAGS="${HOST_CFLAGS}" \
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HOSTCXXFLAGS="${HOST_CXXFLAGS}" \
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HOSTLDFLAGS="${HOST_LDFLAGS}" \
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INSTALL_HDR_PATH=dest \
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headers_install
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mkdir -p ${SYSROOT_PREFIX}/usr/include
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cp -R dest/include/* ${SYSROOT_PREFIX}/usr/include
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}
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pre_make_target() {
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( cd ${ROOT}
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rm -rf ${BUILD}/initramfs
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rm -f ${STAMPS_INSTALL}/initramfs/install_target ${STAMPS_INSTALL}/*/install_init
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${SCRIPTS}/install initramfs
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)
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pkg_lock_status "ACTIVE" "linux:target" "build"
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cp ${PKG_KERNEL_CFG_FILE} ${PKG_BUILD}/.config
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# set initramfs source
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${PKG_BUILD}/scripts/config --set-str CONFIG_INITRAMFS_SOURCE "$(kernel_initramfs_confs) ${BUILD}/initramfs"
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# set default hostname based on ${DEVICE}
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${PKG_BUILD}/scripts/config --set-str CONFIG_DEFAULT_HOSTNAME "${DEVICE}"
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# disable swap support if not enabled
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if [ ! "${SWAP_SUPPORT}" = yes ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_SWAP
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fi
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# disable nfs support if not enabled
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if [ ! "${NFS_SUPPORT}" = yes ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_NFS_FS
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fi
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# disable cifs support if not enabled
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if [ ! "${SAMBA_SUPPORT}" = yes ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_CIFS
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fi
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# disable iscsi support if not enabled
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if [ ! "${ISCSI_SUPPORT}" = yes ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_SCSI_ISCSI_ATTRS
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${PKG_BUILD}/scripts/config --disable CONFIG_ISCSI_TCP
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${PKG_BUILD}/scripts/config --disable CONFIG_ISCSI_BOOT_SYSFS
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${PKG_BUILD}/scripts/config --disable CONFIG_ISCSI_IBFT_FIND
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${PKG_BUILD}/scripts/config --disable CONFIG_ISCSI_IBFT
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fi
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# disable lima/panfrost if libmali is configured
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if [ "${OPENGLES}" = "libmali" ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_DRM_LIMA
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${PKG_BUILD}/scripts/config --disable CONFIG_DRM_PANFROST
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fi
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# disable wireguard support if not enabled
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if [ ! "${WIREGUARD_SUPPORT}" = yes ]; then
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${PKG_BUILD}/scripts/config --disable CONFIG_WIREGUARD
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fi
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if [ "${TARGET_ARCH}" = "x86_64" ]; then
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# copy some extra firmware to linux tree
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mkdir -p ${PKG_BUILD}/external-firmware
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cp -a $(get_build_dir kernel-firmware)/.copied-firmware/{amdgpu,amd-ucode,i915,radeon,e100,rtl_nic} ${PKG_BUILD}/external-firmware
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cp -a $(get_build_dir intel-ucode)/intel-ucode ${PKG_BUILD}/external-firmware
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FW_LIST="$(find ${PKG_BUILD}/external-firmware \( -type f -o -type l \) \( -iname '*.bin' -o -iname '*.fw' -o -path '*/intel-ucode/*' \) | sed 's|.*external-firmware/||' | sort | xargs)"
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${PKG_BUILD}/scripts/config --set-str CONFIG_EXTRA_FIRMWARE "${FW_LIST}"
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${PKG_BUILD}/scripts/config --set-str CONFIG_EXTRA_FIRMWARE_DIR "external-firmware"
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elif [ "${TARGET_ARCH}" = "arm" -a "${DEVICE}" = "iMX6" ]; then
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mkdir -p ${PKG_BUILD}/external-firmware/imx/sdma
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cp -a $(get_build_dir firmware-imx)/firmware/sdma/*imx6*.bin ${PKG_BUILD}/external-firmware/imx/sdma
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cp -a $(get_build_dir firmware-imx)/firmware/vpu/*imx6*.bin ${PKG_BUILD}/external-firmware
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FW_LIST="$(find ${PKG_BUILD}/external-firmware -type f | sed 's|.*external-firmware/||' | sort | xargs)"
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${PKG_BUILD}/scripts/config --set-str CONFIG_EXTRA_FIRMWARE "${FW_LIST}"
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${PKG_BUILD}/scripts/config --set-str CONFIG_EXTRA_FIRMWARE_DIR "external-firmware"
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fi
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yes "" | kernel_make oldconfig
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if [ -f "${ROOT}/${DISTRO}/kernel_options" ]; then
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while read OPTION; do
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[ -z "${OPTION}" -o -n "$(echo "${OPTION}" | grep '^#')" ] && continue
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if [ "${OPTION##*=}" == "n" -a "$(${PKG_BUILD}/scripts/config --state ${OPTION%%=*})" == "undef" ]; then
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continue
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fi
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if [ "$(${PKG_BUILD}/scripts/config --state ${OPTION%%=*})" != "$(echo ${OPTION##*=} | tr -d '"')" ]; then
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MISSING_KERNEL_OPTIONS+="\t${OPTION}\n"
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fi
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done < ${ROOT}/${DISTRO}/kernel_options
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if [ -n "${MISSING_KERNEL_OPTIONS}" ]; then
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print_color CLR_WARNING "LINUX: kernel options not correct: \n${MISSING_KERNEL_OPTIONS%%}\nPlease run ./tools/check_kernel_config\n"
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fi
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fi
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}
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make_target() {
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# arm64 target does not support creating uImage.
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# Build Image first, then wrap it using u-boot's mkimage.
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if [[ "${TARGET_KERNEL_ARCH}" = "arm64" && "${KERNEL_TARGET}" = uImage* ]]; then
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if [ -z "${KERNEL_UIMAGE_LOADADDR}" -o -z "${KERNEL_UIMAGE_ENTRYADDR}" ]; then
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die "ERROR: KERNEL_UIMAGE_LOADADDR and KERNEL_UIMAGE_ENTRYADDR have to be set to build uImage - aborting"
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fi
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KERNEL_UIMAGE_TARGET="${KERNEL_TARGET}"
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KERNEL_TARGET="${KERNEL_TARGET/uImage/Image}"
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fi
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DTC_FLAGS=-@ kernel_make ${KERNEL_TARGET} ${KERNEL_MAKE_EXTRACMD} modules
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if [ "${PKG_BUILD_PERF}" = "yes" ]; then
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( cd tools/perf
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# arch specific perf build args
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case "${TARGET_ARCH}" in
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x86_64)
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PERF_BUILD_ARGS="ARCH=x86"
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;;
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aarch64)
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PERF_BUILD_ARGS="ARCH=arm64"
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;;
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*)
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PERF_BUILD_ARGS="ARCH=${TARGET_ARCH}"
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;;
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esac
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WERROR=0 \
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NO_LIBPERL=1 \
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NO_LIBPYTHON=1 \
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NO_SLANG=1 \
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NO_GTK2=1 \
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NO_LIBNUMA=1 \
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NO_LIBAUDIT=1 \
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NO_LZMA=1 \
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NO_SDT=1 \
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CROSS_COMPILE="${TARGET_PREFIX}" \
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JOBS="${CONCURRENCY_MAKE_LEVEL}" \
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make ${PERF_BUILD_ARGS}
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mkdir -p ${INSTALL}/usr/bin
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cp perf ${INSTALL}/usr/bin
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)
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fi
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if [ -n "${KERNEL_UIMAGE_TARGET}" ]; then
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# determine compression used for kernel image
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KERNEL_UIMAGE_COMP=${KERNEL_UIMAGE_TARGET:7}
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KERNEL_UIMAGE_COMP=$(echo ${KERNEL_UIMAGE_COMP:-none} | sed 's/gz/gzip/; s/bz2/bzip2/')
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# calculate new load address to make kernel Image unpack to memory area after compressed image
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if [ "${KERNEL_UIMAGE_COMP}" != "none" ]; then
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COMPRESSED_SIZE=$(stat -t "arch/${TARGET_KERNEL_ARCH}/boot/${KERNEL_TARGET}" | awk '{print $2}')
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# align to 1 MiB
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COMPRESSED_SIZE=$(( ((${COMPRESSED_SIZE} - 1 >> 20) + 1) << 20 ))
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PKG_KERNEL_UIMAGE_LOADADDR=$(printf '%X' "$(( ${KERNEL_UIMAGE_LOADADDR} + ${COMPRESSED_SIZE} ))")
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PKG_KERNEL_UIMAGE_ENTRYADDR=$(printf '%X' "$(( ${KERNEL_UIMAGE_ENTRYADDR} + ${COMPRESSED_SIZE} ))")
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else
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PKG_KERNEL_UIMAGE_LOADADDR=${KERNEL_UIMAGE_LOADADDR}
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PKG_KERNEL_UIMAGE_ENTRYADDR=${KERNEL_UIMAGE_ENTRYADDR}
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fi
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mkimage -A ${TARGET_KERNEL_ARCH} \
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-O linux \
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-T kernel \
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-C ${KERNEL_UIMAGE_COMP} \
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-a ${PKG_KERNEL_UIMAGE_LOADADDR} \
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-e ${PKG_KERNEL_UIMAGE_ENTRYADDR} \
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-d arch/${TARGET_KERNEL_ARCH}/boot/${KERNEL_TARGET} \
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arch/${TARGET_KERNEL_ARCH}/boot/${KERNEL_UIMAGE_TARGET}
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KERNEL_TARGET="${KERNEL_UIMAGE_TARGET}"
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fi
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}
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makeinstall_target() {
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mkdir -p ${INSTALL}/.image
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cp -p arch/${TARGET_KERNEL_ARCH}/boot/${KERNEL_TARGET} System.map .config Module.symvers ${INSTALL}/.image/
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kernel_make INSTALL_MOD_PATH=${INSTALL}/$(get_kernel_overlay_dir) modules_install
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rm -f ${INSTALL}/$(get_kernel_overlay_dir)/lib/modules/*/build
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rm -f ${INSTALL}/$(get_kernel_overlay_dir)/lib/modules/*/source
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if [ "${BOOTLOADER}" = "u-boot" ]; then
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mkdir -p ${INSTALL}/usr/share/bootloader/device_trees
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if [ -d arch/${TARGET_KERNEL_ARCH}/boot/dts/amlogic ]; then
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cp arch/${TARGET_KERNEL_ARCH}/boot/*dtb.img ${INSTALL}/usr/share/bootloader/ 2>/dev/null || :
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[ "${DEVICE}" = "Amlogic-ng" ] && cp arch/${TARGET_KERNEL_ARCH}/boot/dts/amlogic/*.dtb ${INSTALL}/usr/share/bootloader/device_trees 2>/dev/null || :
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fi
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elif [ "${BOOTLOADER}" = "bcm2835-bootloader" ]; then
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# RPi firmware will decompress gzipped kernels prior to booting
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if [ "${TARGET_KERNEL_ARCH}" = "arm64" ]; then
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pigz --best --force ${INSTALL}/.image/${KERNEL_TARGET}
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mv ${INSTALL}/.image/${KERNEL_TARGET}.gz ${INSTALL}/.image/${KERNEL_TARGET}
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fi
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mkdir -p ${INSTALL}/usr/share/bootloader/overlays
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# install platform dtbs, but remove upstream kernel dtbs (i.e. without downstream
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# drivers and decent USB support) as these are not required by LibreELEC
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for dtb in arch/${TARGET_KERNEL_ARCH}/boot/dts/*.dtb arch/${TARGET_KERNEL_ARCH}/boot/dts/*/*.dtb; do
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if [ -f ${dtb} ]; then
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cp -v ${dtb} ${INSTALL}/usr/share/bootloader
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fi
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done
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rm -f ${INSTALL}/usr/share/bootloader/bcm283*.dtb
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# duplicated in overlays below
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safe_remove ${INSTALL}/usr/share/bootloader/overlay_map.dtb
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# install overlay dtbs
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for dtb in arch/arm/boot/dts/overlays/*.dtb \
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arch/arm/boot/dts/overlays/*.dtbo; do
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cp ${dtb} ${INSTALL}/usr/share/bootloader/overlays 2>/dev/null || :
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done
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cp -p arch/${TARGET_KERNEL_ARCH}/boot/dts/overlays/README ${INSTALL}/usr/share/bootloader/overlays
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fi
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makeinstall_host
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}
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post_install() {
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if [ ! -d ${INSTALL}/$(get_full_firmware_dir) ]
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then
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mkdir -p ${INSTALL}/$(get_full_firmware_dir)/
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fi
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# regdb and signature is now loaded as firmware by 4.15+
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if grep -q ^CONFIG_CFG80211_REQUIRE_SIGNED_REGDB= ${PKG_BUILD}/.config; then
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cp $(get_build_dir wireless-regdb)/regulatory.db{,.p7s} ${INSTALL}/$(get_full_firmware_dir)
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fi
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}
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