mirror of
https://github.com/brain-hackers/buildbrain
synced 2026-06-26 10:36:07 +09:00
+ Docker-based makefile targets for Buildroot
This commit is contained in:
Mingyang Li
122
Makefile
122
Makefile
@@ -7,6 +7,12 @@ export ARCH=arm
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DOCKER_IMAGE := buildbrain-builder:local
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ROOTFS_VOLUME := buildbrain-brainux-rootfs
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# Separate, leaner image for Buildroot. Based on debian:bookworm (GCC 12)
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# which is compatible with the 2023.05-era Buildroot fork without any patches.
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BUILDROOT_DOCKER_IMAGE := buildbrain-buildroot:local
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ROOTFS_VOLUME := buildbrain-brainux-rootfs
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BUILDROOT_VOLUME := buildbrain-buildroot-rootfs
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BUILDROOT_OUTPUT_VOLUME := buildbrain-buildroot-output
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.PHONY:
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setup:
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@@ -138,7 +144,7 @@ lilobuild:
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liloclean:
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make -C ./brainlilo clean
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.PHONY: brainux brainux-umount-special brainux-clean
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.PHONY: brainux brainux-umount-special brainux-clean buildroot_rootfs
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brainux:
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@if [ "$(shell uname)" != "Linux" ]; then \
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echo "Debootstrap is only available in Linux!"; \
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@@ -182,10 +188,10 @@ brainux-clean: brainux-umount-special
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sudo rm -rf brainux
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buildroot_rootfs:
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make -C buildroot brain_imx28_defconfig
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make -C buildroot -j 12
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sudo mkdir -p buildroot_rootfs
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sudo tar -C ./buildroot_rootfs -xf buildroot/output/images/rootfs.tar
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make -C buildroot O=/work/buildroot_output brain_imx28_defconfig
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make -C buildroot O=/work/buildroot_output
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mkdir -p buildroot_rootfs
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tar -C ./buildroot_rootfs -xf buildroot_output/images/rootfs.tar
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image/sd.img: clean_work
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./image/build_image.sh brainux sd.img 3072
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@@ -215,6 +221,10 @@ datetag:
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docker-build:
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docker build --platform linux/amd64 -t $(DOCKER_IMAGE) -f Dockerfile .
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.PHONY:
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docker-buildroot-build:
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docker build --platform linux/amd64 -t $(BUILDROOT_DOCKER_IMAGE) -f Dockerfile.buildroot .
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.PHONY:
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docker-uboot:
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docker run --rm --platform linux/amd64 -v "$$PWD":/work -w /work $(DOCKER_IMAGE) \
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@@ -249,3 +259,105 @@ docker-volume-create:
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.PHONY:
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docker-volume-rm:
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docker volume rm $(ROOTFS_VOLUME) 2>/dev/null || true
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.PHONY:
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docker-buildroot-rootfs: docker-buildroot-volume-rm docker-buildroot-volume-create docker-buildroot-output-volume-create
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docker run --rm --platform linux/amd64 --privileged \
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-v $(BUILDROOT_OUTPUT_VOLUME):/work/buildroot_output \
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-v $(BUILDROOT_VOLUME):/work/buildroot_rootfs \
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-v "$$PWD":/work -w /work $(BUILDROOT_DOCKER_IMAGE) \
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bash -lc "make buildroot_rootfs"
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.PHONY:
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docker-buildroot-menuconfig:
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docker run --rm -it --platform linux/amd64 \
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-v "$$PWD":/work -w /work $(BUILDROOT_DOCKER_IMAGE) \
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bash -lc "rm -rf buildroot/output/build/buildroot-config && make -C buildroot brain_imx28_defconfig && make -C buildroot menuconfig"
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# Run after docker-buildroot-menuconfig to persist customisations.
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.PHONY:
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docker-buildroot-savedefconfig:
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docker run --rm --platform linux/amd64 \
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-v "$$PWD":/work -w /work $(BUILDROOT_DOCKER_IMAGE) \
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bash -lc "rm -rf buildroot/output/build/buildroot-config && make -C buildroot savedefconfig BR2_DEFCONFIG=configs/brain_imx28_defconfig"
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.PHONY:
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docker-buildroot-sd-image:
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docker run --rm --platform linux/amd64 --privileged \
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-v $(BUILDROOT_VOLUME):/work/buildroot_rootfs \
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-v "$$PWD":/work -w /work $(DOCKER_IMAGE) \
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bash -lc "make -C nkbin_maker clean all && make IMG_BUILD_JOBS=1 image/sd_buildroot.img"
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# Fast rootfs-only update: replace only the ext4 partition (p2) in an existing
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# sd_buildroot.img without rebuilding U-Boot (saves ~35 min per iteration).
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# Requires image/sd_buildroot.img to already exist from a prior full build.
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# Workflow for overlay-only changes:
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# 1. Edit files under os-buildroot/override/
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# 2. make docker-buildroot-rootfs (~1 min)
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# 3. make docker-buildroot-patch-image (~1 min)
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# 4. Flash image/sd_buildroot.img
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.PHONY:
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docker-buildroot-patch-image:
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docker run --rm --platform linux/amd64 --privileged \
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-v $(BUILDROOT_VOLUME):/work/buildroot_rootfs \
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-v "$$PWD":/work -w /work $(DOCKER_IMAGE) \
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bash -lc "set -e; \
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KPARTX_OUTPUT=\$$(kpartx -av image/sd_buildroot.img); \
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echo \"\$${KPARTX_OUTPUT}\"; \
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LONAME=\$$(echo \"\$${KPARTX_OUTPUT}\" | sed -n 's/^add map \(loop[0-9]\+\)p2.*/\1/p' | head -1); \
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if [ -z \"\$${LONAME}\" ]; then echo 'Failed to detect loop device from kpartx output'; exit 1; fi; \
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mkdir -p /mnt/brainp2; \
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mount /dev/mapper/\$${LONAME}p2 /mnt/brainp2; \
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echo 'Wiping old rootfs...'; \
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rm -rf /mnt/brainp2/*; \
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echo 'Copying new rootfs...'; \
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cp -a buildroot_rootfs/. /mnt/brainp2/; \
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sync; \
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umount /mnt/brainp2; \
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kpartx -d image/sd_buildroot.img; \
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echo 'Done. Rootfs partition updated.'"
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# Fast kernel-only update: replace only boot partition (p1) kernel artifacts
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# in an existing sd_buildroot.img, without rebuilding rootfs or repacking image.
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# Requires image/sd_buildroot.img to already exist.
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# Workflow for kernel-only changes:
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# 1. make docker-kernel
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# 2. make docker-buildroot-patch-kernel-image
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# 3. Flash image/sd_buildroot.img
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.PHONY:
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docker-buildroot-patch-kernel-image:
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docker run --rm --platform linux/amd64 --privileged \
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-v "$$PWD":/work -w /work $(DOCKER_IMAGE) \
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bash -lc "set -e; \
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KPARTX_OUTPUT=\$$(kpartx -av image/sd_buildroot.img); \
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echo \"\$${KPARTX_OUTPUT}\"; \
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LONAME=\$$(echo \"\$${KPARTX_OUTPUT}\" | sed -n 's/^add map \(loop[0-9]\+\)p1.*/\1/p' | head -1); \
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if [ -z \"\$${LONAME}\" ]; then echo 'Failed to detect loop device from kpartx output'; exit 1; fi; \
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mkdir -p /mnt/brainp1; \
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mount -o utf8=true /dev/mapper/\$${LONAME}p1 /mnt/brainp1; \
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echo 'Updating kernel artifacts on boot partition...'; \
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cp -f linux-brain/arch/arm/boot/zImage /mnt/brainp1/; \
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cp -f linux-brain/arch/arm/boot/dts/imx28-pw*.dtb /mnt/brainp1/; \
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sync; \
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umount /mnt/brainp1; \
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kpartx -d image/sd_buildroot.img; \
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echo 'Done. Kernel artifacts updated.'"
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.PHONY:
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docker-buildroot-full: docker-kernel docker-buildroot-rootfs docker-buildroot-sd-image
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.PHONY:
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docker-buildroot-volume-create:
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docker volume create $(BUILDROOT_VOLUME)
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.PHONY:
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docker-buildroot-volume-rm:
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docker volume rm $(BUILDROOT_VOLUME) 2>/dev/null || true
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.PHONY:
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docker-buildroot-output-volume-create:
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docker volume create $(BUILDROOT_OUTPUT_VOLUME)
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.PHONY:
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docker-buildroot-output-volume-rm:
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docker volume rm $(BUILDROOT_OUTPUT_VOLUME) 2>/dev/null || true
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