139 lines
3.7 KiB
Makefile
139 lines
3.7 KiB
Makefile
DEBUG := true
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OUT_DIR := out
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KEY_DIR := keys
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TARGET := local
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CACHE_DIR := cache
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CONFIG_DIR := targets/$(TARGET)
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TOOLCHAIN_DIR := toolchain
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SCRIPTS_DIR := scripts
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USER := $(shell id -g):$(shell id -g)
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CPUS := $(shell nproc)
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ARCH := x86_64
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include $(PWD)/config.env
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include $(PWD)/make/keys.mk
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include $(PWD)/make/fetch.mk
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include $(PWD)/toolchain/Makefile
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.DEFAULT_GOAL := default
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.PHONY: default
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default: fetch $(OUT_DIR)/bzImage
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# Clean repo back to initial clone state
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.PHONY: clean
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clean:
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rm -rf cache out
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docker image rm -f local/$(NAME)-build
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# Launch a shell inside the toolchain container
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.PHONY: toolchain-shell
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toolchain-shell: $(OUT_DIR)/toolchain.tar
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$(call toolchain,root,bash)
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# Pin all packages in toolchain container to latest versions
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.PHONY: toolchain-update
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toolchain-update:
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$(call toolchain,root,toolchain-update )
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# Source anything required from the internet to build
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.PHONY: fetch
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fetch: \
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keys \
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$(OUT_DIR) \
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$(OUT_DIR)/toolchain.tar \
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$(CACHE_DIR) \
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$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.xz \
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$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.sign \
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2 \
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2.sig
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# Build latest image and run in terminal via Qemu
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.PHONY: run
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run: default
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qemu-system-x86_64 \
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-m 512M \
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-nographic \
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-kernel $(OUT_DIR)/bzImage
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# Run ncurses busybox config menu and save output
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.PHONY: busybox-config
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busybox-config:
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rm $(CONFIG_DIR)/busybox.config
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make $(CONFIG_DIR)/busybox.config
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# Run linux config menu and save output
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.PHONY: linux-config
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linux-config:
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rm $(CONFIG_DIR)/linux.config
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make $(CONFIG_DIR)/linux.config
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# This can likely be eliminated with path fixes in toolchain/Makefile
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$(OUT_DIR)/toolchain.tar:
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ARCH=$(ARCH) \
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OUT_DIR=../$(OUT_DIR) \
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DEBIAN_HASH=$(DEBIAN_HASH) \
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$(MAKE) -C $(TOOLCHAIN_DIR) \
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../$(OUT_DIR)/toolchain.tar
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$(CONFIG_DIR)/busybox.config:
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$(call toolchain,$(USER), " \
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cd /cache/busybox-$(BUSYBOX_VERSION) && \
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KCONFIG_NOTIMESTAMP=1 make menuconfig && \
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cp .config /config/busybox.config; \
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")
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$(CONFIG_DIR)/linux.config:
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$(call toolchain,$(USER)," \
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cd /cache/linux-$(LINUX_VERSION) && \
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make menuconfig && \
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cp .config /config/linux.config; \
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")
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$(OUT_DIR)/busybox: \
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION) \
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2 \
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2.sig
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$(call toolchain,$(USER)," \
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cd /cache/busybox-$(BUSYBOX_VERSION) && \
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cp /config/busybox.config .config && \
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make -j$(CPUS) busybox && \
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cp busybox /out/; \
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")
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$(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio: \
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$(CACHE_DIR)/linux-$(LINUX_VERSION) \
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$(CACHE_DIR)/linux-$(LINUX_VERSION) \
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$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.xz \
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$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.sign
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$(call toolchain,$(USER)," \
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cd /cache/linux-$(LINUX_VERSION) && \
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gcc usr/gen_init_cpio.c -o usr/gen_init_cpio \
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")
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$(OUT_DIR)/rootfs.cpio: \
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$(OUT_DIR)/busybox \
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$(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio
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mkdir -p $(CACHE_DIR)/rootfs/bin
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cp $(SCRIPTS_DIR)/busybox_init $(CACHE_DIR)/rootfs/init
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cp $(OUT_DIR)/busybox $(CACHE_DIR)/rootfs/bin/
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$(call toolchain,$(USER)," \
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cd /cache/rootfs && \
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find . -mindepth 1 -execdir touch -hcd "@0" "{}" + && \
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find . -mindepth 1 -printf '%P\0' && \
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cd /cache/linux-$(LINUX_VERSION) && \
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usr/gen_initramfs.sh -o /out/rootfs.cpio /config/rootfs.list && \
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cpio -itv < /out/rootfs.cpio && \
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sha256sum /out/rootfs.cpio; \
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")
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$(OUT_DIR)/bzImage: \
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$(OUT_DIR)/rootfs.cpio
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$(call toolchain,$(USER)," \
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cd /cache/linux-$(LINUX_VERSION) && \
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cp /config/linux.config .config && \
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make olddefconfig && \
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make -j$(CPUS) ARCH=$(ARCH) bzImage && \
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cp arch/x86_64/boot/bzImage /out/ && \
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sha256sum /out/bzImage; \
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")
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