Initial commit

docker/kernel-build.Dockerfile

@@ -0,0 +1,43 @@
+ARG TAG=dev
+ARG DOCKER_IMAGE_ROOT=monok8s
+FROM --platform=linux/amd64 ${DOCKER_IMAGE_ROOT}/build-base:${TAG}
+
+ARG NXP_VERSION
+ARG ARCH
+ARG CROSS_COMPILE
+
+WORKDIR /build
+
+RUN test -n "${NXP_VERSION}" || (echo "Please specify NXP_VERSION" >&2; exit 1); \
+    test -n "${ARCH}" || (echo "Please specify ARCH" >&2; exit 1); \
+    test -n "${CROSS_COMPILE}" || (echo "Please specify CROSS_COMPILE" >&2; exit 1)
+
+# Dev-only shortcut
+COPY dev/nxplinux.tar.gz ./
+RUN tar -xf nxplinux.tar.gz \
+ && mv "linux-${NXP_VERSION}" nxplinux \
+ && rm -f nxplinux.tar.gz
+
+# Or download directly:
+# RUN curl -L "https://github.com/nxp-qoriq/linux/archive/refs/tags/${NXP_VERSION}.tar.gz" -o nxplinux.tar.gz \
+#  && tar -xf nxplinux.tar.gz \
+#  && mv "linux-${NXP_VERSION}" nxplinux \
+#  && rm -f nxplinux.tar.gz
+
+WORKDIR /build/nxplinux
+
+# NXP tree: use the LSDK defconfig target
+RUN make ARCH="${ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" defconfig lsdk.config
+RUN make ARCH="${ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" -j"$(nproc)"
+
+# artifact collection
+RUN mkdir -p /out/kernel /out/rootfs \
+ && cp -av arch/arm64/boot/Image* /out/kernel/ 2>/dev/null || true \
+ && cp -av arch/arm64/boot/dts /out/kernel/dts 2>/dev/null || true \
+ && cp -av System.map .config /out/kernel/ \
+ && make ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} modules_install INSTALL_MOD_PATH=/out/rootfs
+
+ARG DTB_TARGET
+
+RUN find /out/kernel -name "${DTB_TARGET}" -exec cp {} /out/ \;
+RUN test -f "/out/${DTB_TARGET}"