mirror of
https://github.com/linuxkit/linuxkit.git
synced 2025-10-31 01:37:42 +00:00
65 lines
1.9 KiB
Docker
65 lines
1.9 KiB
Docker
FROM linuxkit/alpine-build-kernel:cfdd576c36a52ed2dd62f237f79eeedc2dd3697b@sha256:3fe08db373a9373ba1616a485858f01ebd2d7a3cb364a099d0ed8b45fa419da2
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ARG KERNEL_VERSION
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ARG DEBUG=0
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ENV KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
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# Download kernel source code
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RUN curl -fsSL -o linux-${KERNEL_VERSION}.tar.xz ${KERNEL_SOURCE}
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RUN tar xf linux-${KERNEL_VERSION}.tar.xz && mv /linux-${KERNEL_VERSION} /linux
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WORKDIR /linux
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ENV DEF_CONFIG_FILE=/linux/arch/x86/configs/x86_64_defconfig
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COPY kernel_config ${DEF_CONFIG_FILE}
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COPY kernel_config.debug /linux/debug_config
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# Enable debug
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RUN if [ $DEBUG -ne "0" ]; then \
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sed -i 's/CONFIG_PANIC_ON_OOPS=y/# CONFIG_PANIC_ON_OOPS is not set/' \
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${DEF_CONFIG_FILE}; \
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cat /linux/debug_config >> ${DEF_CONFIG_FILE}; \
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fi
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RUN cat ${DEF_CONFIG_FILE}
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# Apply local patches
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COPY patches-4.9 /patches
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RUN cd /linux && \
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set -e && for patch in /patches/*.patch; do \
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echo "Applying $patch"; \
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patch -p1 < "$patch"; \
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done
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# Build kernel
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RUN make defconfig && \
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make oldconfig && \
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perl -p -i -e "s/^EXTRAVERSION.*/EXTRAVERSION = -linuxkit/" Makefile && \
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make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie"
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#bzImage
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#vmlinux
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RUN cp vmlinux arch/x86_64/boot/bzImage /
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# CC does not provide modules, not needed to distribute headers.
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#kernel-headers.tar: provides kernel headers
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RUN mkdir -p /tmp/kernel-headers/usr && \
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cd /tmp/kernel-headers && tar cf /kernel-headers.tar usr
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# CC does no use modules do not ship it
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#kernel-modules.tar: provides kernel modules
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RUN mkdir -p /tmp/kernel-modules/lib/modules && \
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cd /tmp/kernel-modules && tar cf /kernel-modules.tar lib
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WORKDIR /
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#kernel-dev.tar: provides headers .config linux/include arch/x86/include
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RUN mkdir -p /tmp/usr/src/linux-headers && \
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cd /tmp/ && tar cf /kernel-dev.tar usr/src
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RUN printf "KERNEL_SOURCE=${KERNEL_SOURCE}\n" > /kernel-source-info
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