mirror of
https://github.com/linuxkit/linuxkit.git
synced 2025-10-31 22:06:17 +00:00
74 lines
2.6 KiB
Docker
74 lines
2.6 KiB
Docker
FROM linuxkit/kernel-compile:1b396c221af673757703258159ddc8539843b02b@sha256:6b32d205bfc6407568324337b707d195d027328dbfec554428ea93e7b0a8299b AS kernel-build
|
|
|
|
ARG KERNEL_VERSION
|
|
ARG KERNEL_SERIES
|
|
ARG DEBUG
|
|
|
|
ENV KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
|
|
|
|
RUN curl -fsSL -o linux-${KERNEL_VERSION}.tar.xz ${KERNEL_SOURCE}
|
|
|
|
RUN cat linux-${KERNEL_VERSION}.tar.xz | tar --absolute-names -xJ && mv /linux-${KERNEL_VERSION} /linux
|
|
|
|
COPY kernel_config-${KERNEL_SERIES} /linux/arch/x86/configs/x86_64_defconfig
|
|
COPY kernel_config.debug /linux/debug_config
|
|
|
|
RUN if [ -n "${DEBUG}" ]; then \
|
|
sed -i 's/CONFIG_PANIC_ON_OOPS=y/# CONFIG_PANIC_ON_OOPS is not set/' /linux/arch/x86/configs/x86_64_defconfig; \
|
|
cat /linux/debug_config >> /linux/arch/x86/configs/x86_64_defconfig; \
|
|
fi
|
|
|
|
# Apply local patches
|
|
COPY patches-${KERNEL_SERIES} /patches
|
|
WORKDIR /linux
|
|
RUN set -e && for patch in /patches/*.patch; do \
|
|
echo "Applying $patch"; \
|
|
patch -p1 < "$patch"; \
|
|
done
|
|
|
|
RUN mkdir /out
|
|
|
|
# Kernel
|
|
RUN make defconfig && \
|
|
make oldconfig && \
|
|
make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
|
|
cp arch/x86_64/boot/bzImage /out/kernel && \
|
|
cp System.map /out && \
|
|
([ -n "${DEBUG}" ] && cp vmlinux /out || true)
|
|
|
|
# Modules
|
|
RUN make INSTALL_MOD_PATH=/tmp/kernel-modules modules_install && \
|
|
( DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
|
|
cd /tmp/kernel-modules/lib/modules/$DVER && \
|
|
rm build source && \
|
|
ln -s /usr/src/linux-headers-$DVER build ) && \
|
|
( cd /tmp/kernel-modules && tar cf /out/kernel.tar lib )
|
|
|
|
# Headers (userspace API)
|
|
RUN mkdir -p /tmp/kernel-headers/usr && \
|
|
make INSTALL_HDR_PATH=/tmp/kernel-headers/usr headers_install && \
|
|
( cd /tmp/kernel-headers && tar cf /out/kernel-headers.tar usr )
|
|
|
|
# Headers (kernel development)
|
|
RUN DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
|
|
dir=/tmp/usr/src/linux-headers-$DVER && \
|
|
mkdir -p $dir && \
|
|
cp /linux/.config $dir && \
|
|
cp /linux/Module.symvers $dir && \
|
|
find . -path './include/*' -prune -o \
|
|
-path './arch/*/include' -prune -o \
|
|
-path './scripts/*' -prune -o \
|
|
-type f \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
|
|
-name '*.lds' -o -name '*.pl' -o -name '*.sh' \) | \
|
|
tar cf - -T - | (cd $dir; tar xf -) && \
|
|
( cd /tmp && tar cf /out/kernel-dev.tar usr/src )
|
|
|
|
RUN printf "KERNEL_SOURCE=${KERNEL_SOURCE}\n" > /out/kernel-source-info
|
|
|
|
|
|
FROM scratch
|
|
ENTRYPOINT []
|
|
CMD []
|
|
WORKDIR /
|
|
COPY --from=kernel-build /out/* /
|