linuxkit/projects/memorizer/kernel-memorizer/Dockerfile
Ian Campbell 6c7b1c0251 Bump all packages to newest alpine.
Signed-off-by: Ian Campbell <ijc@docker.com>
2017-10-24 10:11:24 +01:00

123 lines
4.0 KiB
Docker

FROM linuxkit/alpine:07f7d136e427dc68154cd5edbb2b9576f9ac5213 AS kernel-build
RUN apk add \
argp-standalone \
automake \
bash \
bc \
binutils-dev \
bison \
build-base \
curl \
diffutils \
flex \
git \
gmp-dev \
gnupg \
installkernel \
kmod \
libelf-dev \
libressl-dev \
libunwind-dev \
linux-headers \
ncurses-dev \
sed \
squashfs-tools \
tar \
xz \
xz-dev \
zlib-dev
ARG KERNEL_VERSION
ARG KERNEL_SERIES
ARG DEBUG
ENV KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
ENV KERNEL_SHA256_SUMS=https://www.kernel.org/pub/linux/kernel/v4.x/sha256sums.asc
ENV KERNEL_PGP2_SIGN=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.sign
# PGP keys: 589DA6B1 (greg@kroah.com) & 6092693E (autosigner@kernel.org) & 00411886 (torvalds@linux-foundation.org)
COPY keys.asc keys.asc
# Download and verify kernel
RUN curl -fsSLO ${KERNEL_SHA256_SUMS} && \
gpg2 -q --import keys.asc && \
gpg2 --verify sha256sums.asc && \
KERNEL_SHA256=$(grep linux-${KERNEL_VERSION}.tar.xz sha256sums.asc | cut -d ' ' -f 1) && \
curl -fsSLO ${KERNEL_SOURCE} && \
echo "${KERNEL_SHA256} linux-${KERNEL_VERSION}.tar.xz" | sha256sum -c - && \
xz -d linux-${KERNEL_VERSION}.tar.xz && \
curl -fsSLO ${KERNEL_PGP2_SIGN} && \
gpg2 --verify linux-${KERNEL_VERSION}.tar.sign linux-${KERNEL_VERSION}.tar && \
cat linux-${KERNEL_VERSION}.tar | tar --absolute-names -x && mv /linux-${KERNEL_VERSION} /linux
#COPY linux-slice /linux
COPY kernel_config-${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
# perf (Don't compile for 4.4.x, it's broken and tedious to fix)
#RUN if [ "${KERNEL_SERIES}" != "4.4.x" ]; then \
#mkdir -p /build/perf && \
#make -C tools/perf LDFLAGS=-static O=/build/perf && \
#strip /build/perf/perf && \
#cp /build/perf/perf /out; \
#fi
FROM scratch
ENTRYPOINT []
CMD []
WORKDIR /
COPY --from=kernel-build /out/* /