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package.mk
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package.mk
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# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
PKG_NAME="linux"
PKG_LICENSE="GPL"
PKG_SITE="http://www.kernel.org"
PKG_DEPENDS_HOST="ccache:host openssl:host"
PKG_DEPENDS_TARGET="toolchain linux:host kmod:host xz:host wireless-regdb keyutils $KERNEL_EXTRA_DEPENDS_TARGET"
PKG_DEPENDS_INIT="toolchain"
PKG_NEED_UNPACK="$LINUX_DEPENDS $(get_pkg_directory busybox)"
PKG_LONGDESC="This package contains a precompiled kernel image and the modules."
PKG_IS_KERNEL_PKG="yes"
PKG_STAMP="$KERNEL_TARGET $KERNEL_MAKE_EXTRACMD"
PKG_PATCH_DIRS="$LINUX"
case "$LINUX" in
rockchip-4.4)
PKG_VERSION="8394b6656aeea884ae576a85c11d6280595445fd"
PKG_URL="https://github.com/mrfixit2001/rockchip-kernel/archive/$PKG_VERSION.tar.gz"
PKG_SOURCE_NAME="linux-$LINUX-$PKG_VERSION.tar.gz"
;;
odroidgoA-4.4)
PKG_VERSION="fbfe5c30bf5643f44cc8c87c9b53b1ba2a0bfa49"
PKG_SHA256="ca4071dcd23a6c5b8051b814ec6bcf2a73e0569422156be143ac3f50df3f7d6b"
PKG_URL="https://github.com/hardkernel/linux/archive/$PKG_VERSION.tar.gz"
PKG_SOURCE_NAME="linux-$LINUX-$PKG_VERSION.tar.gz"
;;
raspberrypi)
# NOTE: if updating also update bcm2835-bootloader to corresponding firmware
PKG_VERSION="1.20210831"
PKG_SHA256="cda7592b31e676003ea797da09232c125798cfa40a0195af1ea72b606776fa7d"
# URL for commit hash
#PKG_URL="https://github.com/raspberrypi/linux/archive/$PKG_VERSION.tar.gz"
# URL for version tag
PKG_URL="https://github.com/raspberrypi/linux/archive/refs/tags/$PKG_VERSION.tar.gz"
if [ "$DEVICE" = "Pi02GPi" ]; then
PKG_VERSION="581049d718caf95f5feb00607ac748d5841cf27c"
PKG_SHA256="62ba9db3d534d18ad118a980330376624231abd38a7fe4bbe718164fa6486259"
PKG_URL="https://github.com/raspberrypi/linux/archive/$PKG_VERSION.tar.gz"
fi
PKG_SOURCE_NAME="linux-$LINUX-$PKG_VERSION.tar.gz"
PKG_PATCH_DIRS="rpi joycon dualsense"
;;
odroidxu4-4.14)
PKG_VERSION="864c4519b77763274b61a035b33bc92f71084b59"
PKG_SHA256="4cbafde263437b5c9ab5c4a2496866eb19922fb4c80cf5c6ef3c8b65cf1936be"
PKG_URL="https://github.com/hardkernel/linux/archive/$PKG_VERSION.tar.gz"
;;
mainline-5.10)
PKG_VERSION="5.10.101"
PKG_SHA256="0749258cb7ee47c478dfc34857e8930d41bfe0b074e80e9f57cbfa56d0ba1c8e"
PKG_URL="https://www.kernel.org/pub/linux/kernel/v5.x/$PKG_NAME-$PKG_VERSION.tar.xz"
PKG_PATCH_DIRS="default joycon dualsense"
;;
L4T)
PKG_VERSION=$DEVICE
PKG_URL="l4t-kernel-sources"
GET_HANDLER_SUPPORT="l4t-kernel-sources"
PKG_PATCH_DIRS="$PROJECT $PROJECT/$DEVICE"
PKG_SOURCE_NAME="linux-$DEVICE.tar.gz"
PKG_SHA256=$L4T_COMBINED_KERNEL_SHA256
;;
*)
PKG_VERSION="5.1.21"
PKG_SHA256="56495f82314f0dfb84a3fe7fad78e17be69c4fd36ef46f2452458b2fa1e341f6"
PKG_URL="https://www.kernel.org/pub/linux/kernel/v5.x/$PKG_NAME-$PKG_VERSION.tar.xz"
PKG_PATCH_DIRS="default"
;;
esac
PKG_KERNEL_CFG_FILE=$(kernel_config_path) || die
if [ -n "$KERNEL_TOOLCHAIN" ]; then
PKG_DEPENDS_HOST="$PKG_DEPENDS_HOST gcc-arm-$KERNEL_TOOLCHAIN:host"
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET gcc-arm-$KERNEL_TOOLCHAIN:host"
HEADERS_ARCH=$TARGET_ARCH
fi
if [ "$PKG_BUILD_PERF" != "no" ] && grep -q ^CONFIG_PERF_EVENTS= $PKG_KERNEL_CFG_FILE ; then
PKG_BUILD_PERF="yes"
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET binutils elfutils libunwind zlib openssl"
fi
if [ "$TARGET_ARCH" = "x86_64" -o "$TARGET_ARCH" = "i386" ]; then
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET intel-ucode:host kernel-firmware elfutils:host pciutils"
elif [ "$TARGET_ARCH" = "arm" -a "$DEVICE" = "iMX6" ]; then
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET kernel-firmware"
elif [ "$TARGET_ARCH" = "aarch64" ] && [ "$LINUX" = "L4T" ]; then
PKG_DEPENDS_HOST="$PKG_DEPENDS_HOST gcc-linaro-aarch64-linux-gnu:host"
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET gcc-linaro-aarch64-linux-gnu:host"
export PATH=$TOOLCHAIN/lib/gcc-linaro-aarch64-linux-gnu/bin/:$PATH
TARGET_PREFIX=aarch64-linux-gnu-
OLD_CROSS_COMPILE=$CROSS_COMPILE
export CROSS_COMPILE=$TARGET_PREFIX # necessary for Linux 5
PKG_MAKE_OPTS_HOST="ARCH=$TARGET_ARCH headers_check"
fi
if [[ "$KERNEL_TARGET" = uImage* ]]; then
PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET u-boot-tools:host"
fi
post_patch() {
cp $PKG_KERNEL_CFG_FILE $PKG_BUILD/.config
sed -i -e "s|^CONFIG_INITRAMFS_SOURCE=.*$|CONFIG_INITRAMFS_SOURCE=\"$(kernel_initramfs_confs) $BUILD/initramfs\"|" $PKG_BUILD/.config
sed -i -e "/CONFIG_INITRAMFS_ROOT_UID/d" -e "/CONFIG_INITRAMFS_ROOT_GID/d" -e "/CONFIG_INITRAMFS_SOURCE=.../a CONFIG_INITRAMFS_ROOT_UID=0\nCONFIG_INITRAMFS_ROOT_GID=0" $PKG_BUILD/.config
# set default hostname based on $DISTRONAME
sed -i -e "s|@DISTRONAME@|$DISTRONAME|g" $PKG_BUILD/.config
# disable swap support if not enabled
if [ ! "$SWAP_SUPPORT" = yes ]; then
sed -i -e "s|^CONFIG_SWAP=.*$|# CONFIG_SWAP is not set|" $PKG_BUILD/.config
fi
# disable nfs support if not enabled
if [ ! "$NFS_SUPPORT" = yes ]; then
sed -i -e "s|^CONFIG_NFS_FS=.*$|# CONFIG_NFS_FS is not set|" $PKG_BUILD/.config
fi
# disable cifs support if not enabled
if [ ! "$SAMBA_SUPPORT" = yes ]; then
sed -i -e "s|^CONFIG_CIFS=.*$|# CONFIG_CIFS is not set|" $PKG_BUILD/.config
fi
# disable iscsi support if not enabled
if [ ! "$ISCSI_SUPPORT" = yes ]; then
sed -i -e "s|^CONFIG_SCSI_ISCSI_ATTRS=.*$|# CONFIG_SCSI_ISCSI_ATTRS is not set|" $PKG_BUILD/.config
sed -i -e "s|^CONFIG_ISCSI_TCP=.*$|# CONFIG_ISCSI_TCP is not set|" $PKG_BUILD/.config
sed -i -e "s|^CONFIG_ISCSI_BOOT_SYSFS=.*$|# CONFIG_ISCSI_BOOT_SYSFS is not set|" $PKG_BUILD/.config
sed -i -e "s|^CONFIG_ISCSI_IBFT_FIND=.*$|# CONFIG_ISCSI_IBFT_FIND is not set|" $PKG_BUILD/.config
sed -i -e "s|^CONFIG_ISCSI_IBFT=.*$|# CONFIG_ISCSI_IBFT is not set|" $PKG_BUILD/.config
fi
# install extra dts files
for f in $PROJECT_DIR/$PROJECT/config/*-overlay.dts; do
[ -f "$f" ] && cp -v $f $PKG_BUILD/arch/$TARGET_KERNEL_ARCH/boot/dts/overlays || true
done
if [ -n "$DEVICE" ]; then
for f in $PROJECT_DIR/$PROJECT/devices/$DEVICE/config/*-overlay.dts; do
[ -f "$f" ] && cp -v $f $PKG_BUILD/arch/$TARGET_KERNEL_ARCH/boot/dts/overlays || true
done
fi
#host gcc 10 build issue
sed -i '/YYLTYPE yylloc/d' $PKG_BUILD/scripts/dtc/dtc-lexer.l
}
make_host() {
if [ "$LINUX" = "L4T" ]; then
make \
ARCH=arm64 \
CROSS_COMPILE=$TARGET_PREFIX \
olddefconfig
make \
ARCH=arm64 \
CROSS_COMPILE=$TARGET_PREFIX \
prepare
make \
ARCH=arm64 \
CROSS_COMPILE=$TARGET_PREFIX \
modules_prepare
make \
ARCH=arm64 \
headers_check
else
make \
ARCH=${HEADERS_ARCH:-$TARGET_KERNEL_ARCH} \
HOSTCC="$TOOLCHAIN/bin/host-gcc" \
HOSTCXX="$TOOLCHAIN/bin/host-g++" \
HOSTCFLAGS="$HOST_CFLAGS" \
HOSTCXXFLAGS="$HOST_CXXFLAGS" \
HOSTLDFLAGS="$HOST_LDFLAGS" \
headers_check
fi
}
makeinstall_host() {
if [ "$LINUX" = "L4T" ]; then
make \
ARCH=arm64 \
CROSS_COMPILE=$TARGET_PREFIX \
INSTALL_HDR_PATH=dest \
headers_install
else
make \
ARCH=${HEADERS_ARCH:-$TARGET_KERNEL_ARCH} \
HOSTCC="$TOOLCHAIN/bin/host-gcc" \
HOSTCXX="$TOOLCHAIN/bin/host-g++" \
HOSTCFLAGS="$HOST_CFLAGS" \
HOSTCXXFLAGS="$HOST_CXXFLAGS" \
HOSTLDFLAGS="$HOST_LDFLAGS" \
INSTALL_HDR_PATH=dest \
headers_install
fi
mkdir -p $SYSROOT_PREFIX/usr/include
cp -R dest/include/* $SYSROOT_PREFIX/usr/include
}
pre_make_target() {
( cd $ROOT
rm -rf $BUILD/initramfs
$SCRIPTS/install initramfs
)
pkg_lock_status "ACTIVE" "linux:target" "build"
if [ "$TARGET_ARCH" = "x86_64" -o "$TARGET_ARCH" = "i386" ]; then
# copy some extra firmware to linux tree
mkdir -p $PKG_BUILD/external-firmware
cp -a $(get_build_dir kernel-firmware)/.copied-firmware/{amdgpu,amd-ucode,i915,nvidia,radeon,e100,rtl_nic} $PKG_BUILD/external-firmware
cp -a $(get_build_dir intel-ucode)/intel-ucode $PKG_BUILD/external-firmware
elif [ "$TARGET_ARCH" = "arm" -a "$DEVICE" = "iMX6" ]; then
mkdir -p $PKG_BUILD/external-firmware
cp -a $(get_build_dir kernel-firmware)/.copied-firmware/imx $PKG_BUILD/external-firmware
fi
if [ -d $PKG_BUILD/external-firmware/ ]; then
FW_LIST="$(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)"
sed -i "s|CONFIG_EXTRA_FIRMWARE=.*|CONFIG_EXTRA_FIRMWARE=\"${FW_LIST}\"|" $PKG_BUILD/.config
sed -i -e "/CONFIG_EXTRA_FIRMWARE_DIR/d" -e "/CONFIG_EXTRA_FIRMWARE=.../a CONFIG_EXTRA_FIRMWARE_DIR=\"external-firmware\"" $PKG_BUILD/.config
fi
if [ "$LINUX" = "L4T" ]; then
kernel_make olddefconfig
kernel_make prepare
kernel_make modules_prepare
else
kernel_make olddefconfig
fi
# regdb (backward compatability with pre-4.15 kernels)
if grep -q ^CONFIG_CFG80211_INTERNAL_REGDB= $PKG_BUILD/.config ; then
cp $(get_build_dir wireless-regdb)/db.txt $PKG_BUILD/net/wireless/db.txt
fi
}
make_target() {
# arm64 target does not support creating uImage.
# Build Image first, then wrap it using u-boot's mkimage.
if [[ "$TARGET_KERNEL_ARCH" = "arm64" && "$KERNEL_TARGET" = uImage* ]]; then
if [ -z "$KERNEL_UIMAGE_LOADADDR" -o -z "$KERNEL_UIMAGE_ENTRYADDR" ]; then
die "ERROR: KERNEL_UIMAGE_LOADADDR and KERNEL_UIMAGE_ENTRYADDR have to be set to build uImage - aborting"
fi
KERNEL_UIMAGE_TARGET="$KERNEL_TARGET"
KERNEL_TARGET="${KERNEL_TARGET/uImage/Image}"
fi
kernel_make TOOLCHAIN="$TOOLCHAIN" $KERNEL_TARGET $KERNEL_MAKE_EXTRACMD modules
if [ "$PKG_BUILD_PERF" = "yes" ] ; then
( cd tools/perf
# arch specific perf build args
case "$TARGET_ARCH" in
x86_64|i386)
PERF_BUILD_ARGS="ARCH=x86"
;;
aarch64)
PERF_BUILD_ARGS="ARCH=arm64"
;;
*)
PERF_BUILD_ARGS="ARCH=$TARGET_ARCH"
;;
esac
WERROR=0 \
NO_LIBPERL=1 \
NO_LIBPYTHON=1 \
NO_SLANG=1 \
NO_GTK2=1 \
NO_LIBNUMA=1 \
NO_LIBAUDIT=1 \
NO_LZMA=1 \
NO_SDT=1 \
CROSS_COMPILE="$TARGET_PREFIX" \
JOBS="$CONCURRENCY_MAKE_LEVEL" \
make $PERF_BUILD_ARGS
mkdir -p $INSTALL/usr/bin
cp perf $INSTALL/usr/bin
)
fi
if [ -n "$KERNEL_UIMAGE_TARGET" ] ; then
# determine compression used for kernel image
KERNEL_UIMAGE_COMP=${KERNEL_UIMAGE_TARGET:7}
KERNEL_UIMAGE_COMP=${KERNEL_UIMAGE_COMP:-none}
# calculate new load address to make kernel Image unpack to memory area after compressed image
if [ "$KERNEL_UIMAGE_COMP" != "none" ] ; then
COMPRESSED_SIZE=$(stat -t "arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_TARGET" | awk '{print $2}')
# align to 1 MiB
COMPRESSED_SIZE=$(( (($COMPRESSED_SIZE - 1 >> 20) + 1) << 20 ))
PKG_KERNEL_UIMAGE_LOADADDR=$(printf '%X' "$(( $KERNEL_UIMAGE_LOADADDR + $COMPRESSED_SIZE ))")
PKG_KERNEL_UIMAGE_ENTRYADDR=$(printf '%X' "$(( $KERNEL_UIMAGE_ENTRYADDR + $COMPRESSED_SIZE ))")
else
PKG_KERNEL_UIMAGE_LOADADDR=${KERNEL_UIMAGE_LOADADDR}
PKG_KERNEL_UIMAGE_ENTRYADDR=${KERNEL_UIMAGE_ENTRYADDR}
fi
mkimage -A $TARGET_KERNEL_ARCH \
-O linux \
-T kernel \
-C $KERNEL_UIMAGE_COMP \
-a $PKG_KERNEL_UIMAGE_LOADADDR \
-e $PKG_KERNEL_UIMAGE_ENTRYADDR \
-d arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_TARGET \
arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_UIMAGE_TARGET
KERNEL_TARGET="${KERNEL_UIMAGE_TARGET}"
fi
}
makeinstall_target() {
kernel_make INSTALL_MOD_PATH=$INSTALL/$(get_kernel_overlay_dir) modules_install
rm -f $INSTALL/$(get_kernel_overlay_dir)/lib/modules/*/build
rm -f $INSTALL/$(get_kernel_overlay_dir)/lib/modules/*/source
if [ "$BOOTLOADER" = "switch-bootloader" ]; then
mkdir -p $INSTALL/usr/share/bootloader/boot/
cp arch/arm64/boot/dts/tegra210-icosa.dtb $INSTALL/usr/share/bootloader/boot/
fi
if [ "$BOOTLOADER" = "u-boot" ]; then
mkdir -p $INSTALL/usr/share/bootloader
for dtb in arch/$TARGET_KERNEL_ARCH/boot/dts/*.dtb arch/$TARGET_KERNEL_ARCH/boot/dts/*/*.dtb; do
if [ -f $dtb ]; then
cp -v $dtb $INSTALL/usr/share/bootloader
fi
done
elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
mkdir -p $INSTALL/usr/share/bootloader/overlays
# install platform dtbs, but remove upstream kernel dtbs (i.e. without downstream
# drivers and decent USB support) as these are not required by LibreELEC
if [ "$PROJECT" = "RPi" -a "$ARCH" = "aarch64" ]; then
cp -p arch/$TARGET_KERNEL_ARCH/boot/dts/broadcom/*.dtb $INSTALL/usr/share/bootloader
else
cp -p arch/$TARGET_KERNEL_ARCH/boot/dts/*.dtb $INSTALL/usr/share/bootloader
fi
rm -f $INSTALL/usr/share/bootloader/bcm283*.dtb
# install overlay dtbs
for dtb in arch/$TARGET_KERNEL_ARCH/boot/dts/overlays/*.dtbo; do
cp $dtb $INSTALL/usr/share/bootloader/overlays 2>/dev/null || :
done
cp -p arch/$TARGET_KERNEL_ARCH/boot/dts/overlays/README $INSTALL/usr/share/bootloader/overlays
fi
}
post_install() {
mkdir -p $INSTALL/$(get_full_firmware_dir)/
# regdb and signature is now loaded as firmware by 4.15+
if grep -q ^CONFIG_CFG80211_REQUIRE_SIGNED_REGDB= $PKG_BUILD/.config; then
cp $(get_build_dir wireless-regdb)/regulatory.db{,.p7s} $INSTALL/$(get_full_firmware_dir)
fi
}