enclaveos/Makefile

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