enclaveos/Makefile

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DEBUG := false
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OUT_DIR := out
KEY_DIR := keys
SRC_DIR := src
TARGET := generic
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CACHE_DIR := cache
CONFIG_DIR := config
SRC_DIR := src
USER := $(shell id -g):$(shell id -g)
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CPUS := $(shell nproc)
ARCH := x86_64
TARGET_NAME := bzImage
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include $(PWD)/config/global.env
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ifeq ($(TARGET), aws)
TARGET_NAME := nitro.eif
endif
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.DEFAULT_GOAL := default
.PHONY: default
default: \
fetch \
$(OUT_DIR)/$(TARGET)/$(TARGET_NAME)
# Clean repo back to initial clone state
.PHONY: clean
clean:
rm -rf cache out
docker image rm -f local/$(NAME)-build
# Launch a shell inside the toolchain container
.PHONY: toolchain-shell
toolchain-shell: $(OUT_DIR)/toolchain.tar
$(call toolchain,root,bash)
# Pin all packages in toolchain container to latest versions
.PHONY: toolchain-update
toolchain-update:
docker run \
--rm \
--env LOCAL_USER=$(USER) \
--platform=linux/$(ARCH) \
--volume $(PWD)/$(CONFIG_DIR):/config \
--volume $(PWD)/$(SRC_DIR)/toolchain/scripts:/usr/local/bin \
--env GNUPGHOME=/cache/.gnupg \
--env ARCH=$(ARCH) \
--interactive \
--tty \
debian@sha256:$(DEBIAN_HASH) \
bash -c /usr/local/bin/packages-update
# Source anything required from the internet to build
.PHONY: fetch
fetch: \
keys \
$(OUT_DIR)/$(TARGET) \
$(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 \
$(CACHE_DIR)/aws-nitro-enclaves-image-format/.git/HEAD
# 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:
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rm $(CONFIG_DIR)/debug/busybox.config
make $(CONFIG_DIR)/debug/busybox.config
# Run linux config menu and save output
.PHONY: linux-config
linux-config:
rm $(CONFIG_DIR)/$(TARGET)/linux.config
make $(CONFIG_DIR)/$(TARGET)/linux.config
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.PHONY: keys
keys: \
$(KEY_DIR)/$(LINUX_KEY).asc \
$(KEY_DIR)/$(BUSYBOX_KEY).asc
$(KEY_DIR)/$(LINUX_KEY).asc:
$(call fetch_pgp_key,$(LINUX_KEY))
$(KEY_DIR)/$(BUSYBOX_KEY).asc:
$(call fetch_pgp_key,,$(BUSYBOX_KEY))
define fetch_pgp_key
mkdir -p $(KEY_DIR) && \
$(call toolchain,$(USER), " \
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for server in \
ha.pool.sks-keyservers.net \
hkp://keyserver.ubuntu.com:80 \
hkp://p80.pool.sks-keyservers.net:80 \
pgp.mit.edu \
; do \
echo "Trying: $${server}"; \
gpg \
--recv-key \
--keyserver "$${server}" \
--keyserver-options timeout=10 \
--recv-keys "$(1)" \
&& break; \
done; \
gpg --export -a $(1) > $(KEY_DIR)/$(1).asc; \
")
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endef
$(OUT_DIR)/$(TARGET):
mkdir -p $(OUT_DIR)/$(TARGET)
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$(CACHE_DIR):
mkdir -p $(CACHE_DIR)
$(CACHE_DIR)/aws-nitro-enclaves-image-format/.git/HEAD:
$(call toolchain,$(USER), " \
cd /cache; \
git clone https://github.com/aws/aws-nitro-enclaves-image-format.git; \
cd aws-nitro-enclaves-image-format; \
git checkout $(AWS_EIF_REF); \
git rev-parse --verify HEAD | grep -q $(AWS_EIF_REF) || { \
echo 'Error: Git ref/branch collision.'; exit 1; \
}; \
")
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$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2.sig:
curl \
--url $(BUSYBOX_SERVER)/busybox-$(BUSYBOX_VERSION).tar.bz2.sig \
--output $(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2.sig
$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2:
curl \
--url $(BUSYBOX_SERVER)/busybox-$(BUSYBOX_VERSION).tar.bz2 \
--output $(CACHE_DIR)/busybox-$(BUSYBOX_VERSION).tar.bz2
$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.sign:
curl \
--url $(LINUX_SERVER)/linux-$(LINUX_VERSION).tar.sign \
--output $(CACHE_DIR)/linux-$(LINUX_VERSION).tar.sign
$(CACHE_DIR)/linux-$(LINUX_VERSION).tar.xz:
curl \
--url $(LINUX_SERVER)/linux-$(LINUX_VERSION).tar.xz \
--output $(CACHE_DIR)/linux-$(LINUX_VERSION).tar.xz
$(CACHE_DIR)/linux-$(LINUX_VERSION).tar:
xz -d $(CACHE_DIR)/linux-$(LINUX_VERSION).tar.xz
$(CACHE_DIR)/linux-$(LINUX_VERSION): $(CACHE_DIR)/linux-$(LINUX_VERSION).tar
$(call toolchain,$(USER), " \
cd /cache && \
gpg --import /keys/$(LINUX_KEY).asc && \
gpg --verify linux-$(LINUX_VERSION).tar.sign && \
tar xf linux-$(LINUX_VERSION).tar; \
")
$(CACHE_DIR)/busybox-$(BUSYBOX_VERSION):
$(call toolchain,$(USER), " \
cd /cache && \
gpg --import /keys/$(BUSYBOX_KEY).asc && \
gpg --verify busybox-$(BUSYBOX_VERSION).tar.bz2.sig && \
tar -xf busybox-$(BUSYBOX_VERSION).tar.bz2 \
")
$(OUT_DIR)/toolchain.tar:
DOCKER_BUILDKIT=1 \
docker build \
--tag local/$(NAME)-build \
--build-arg DEBIAN_HASH=$(DEBIAN_HASH) \
--build-arg RUST_REF=$(RUST_REF) \
--build-arg CARGO_REF=$(CARGO_REF) \
--build-arg CONFIG_DIR=$(CONFIG_DIR) \
--build-arg SCRIPTS_DIR=$(SRC_DIR)/toolchain/scripts \
-f $(SRC_DIR)/toolchain/Dockerfile \
.
docker save "local/$(NAME)-build" -o "$@"
define toolchain
docker load -i $(OUT_DIR)/toolchain.tar
docker run \
--rm \
--tty \
--interactive \
--user=$(1) \
--platform=linux/$(ARCH) \
--volume $(PWD)/$(CONFIG_DIR):/config \
--volume $(PWD)/$(CACHE_DIR):/cache \
--volume $(PWD)/$(KEY_DIR):/keys \
--volume $(PWD)/$(OUT_DIR):/out \
--volume $(PWD)/$(SRC_DIR):/src \
--env GNUPGHOME=/cache/.gnupg \
--env ARCH=$(ARCH) \
--env KBUILD_BUILD_USER=$(KBUILD_BUILD_USER) \
--env KBUILD_BUILD_HOST=$(KBUILD_BUILD_HOST) \
--env KBUILD_BUILD_VERSION=$(KBUILD_BUILD_VERSION) \
--env KBUILD_BUILD_TIMESTAMP=$(KBUILD_BUILD_TIMESTAMP) \
--env KCONFIG_NOTIMESTAMP=$(KCONFIG_NOTIMESTAMP) \
--env SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
local/$(NAME)-build \
bash -c $(2)
endef
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$(CONFIG_DIR)/debug/busybox.config:
$(call toolchain,$(USER), " \
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cd /cache/busybox-$(BUSYBOX_VERSION) && \
KCONFIG_NOTIMESTAMP=1 make menuconfig && \
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cp .config /config/debug/busybox.config; \
")
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$(CONFIG_DIR)/$(TARGET)/linux.config:
$(call toolchain,$(USER)," \
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cd /cache/linux-$(LINUX_VERSION) && \
make menuconfig && \
cp .config /config/$(TARGET)/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-$(BUSYBOX_VERSION) && \
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cp /config/debug/busybox.config .config && \
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make -j$(CPUS) busybox && \
cp busybox /out/; \
")
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$(OUT_DIR)/init:
$(call toolchain,$(USER)," \
gcc \
-static \
-static-libgcc /src/init/init.c \
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-o /out/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: \
$(OUT_DIR)/busybox \
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$(OUT_DIR)/init \
$(CACHE_DIR)/linux-$(LINUX_VERSION)/usr/gen_init_cpio
mkdir -p $(CACHE_DIR)/$(TARGET)/rootfs/bin
cp $(CONFIG_DIR)/generic/rootfs.list $(CACHE_DIR)/$(TARGET)/rootfs.list
ifeq ($(DEBUG), true)
cp $(OUT_DIR)/init $(CACHE_DIR)/$(TARGET)/rootfs/real_init
cp $(SRC_DIR)/scripts/busybox_init $(CACHE_DIR)/$(TARGET)/rootfs/init
cp $(OUT_DIR)/busybox $(CACHE_DIR)/$(TARGET)/rootfs/bin/
echo "file /bin/busybox /cache/rootfs/bin/busybox 0755 0 0" \
> $(CACHE_DIR)/$(TARGET)/rootfs.list
else
cp $(OUT_DIR)/init $(CACHE_DIR)/$(TARGET)/rootfs/init
endif
$(call toolchain,$(USER)," \
cd /cache/$(TARGET)/rootfs && \
find . -mindepth 1 -execdir touch -hcd "@0" "{}" + && \
find . -mindepth 1 -printf '%P\0' && \
cd /cache/linux-$(LINUX_VERSION) && \
usr/gen_initramfs.sh \
-o /out/rootfs.cpio \
/cache/$(TARGET)/rootfs.list && \
cpio -itv < /out/rootfs.cpio && \
sha256sum /out/rootfs.cpio; \
")
$(OUT_DIR)/$(TARGET)/bzImage: \
$(OUT_DIR)/rootfs.cpio
$(call toolchain,$(USER)," \
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cd /cache/linux-$(LINUX_VERSION) && \
cp /config/$(TARGET)/linux.config .config && \
make olddefconfig && \
make -j$(CPUS) ARCH=$(ARCH) bzImage && \
cp arch/x86_64/boot/bzImage /out/$(TARGET) && \
sha256sum /out/$(TARGET)/bzImage; \
")
$(OUT_DIR)/$(TARGET)/eif_build:
ifeq ($(TARGET), aws)
$(call toolchain,$(USER)," \
cd /cache/aws-nitro-enclaves-image-format \
&& CARGO_HOME=/cache/cargo cargo build --example eif_build \
&& cp target/debug/examples/eif_build /out; \
")
endif
$(OUT_DIR)/$(TARGET)/nitro.eif: \
$(OUT_DIR)/$(TARGET)/eif_build \
$(OUT_DIR)/$(TARGET)/bzImage \
$(OUT_DIR)/rootfs.cpio
ifeq ($(TARGET), aws)
$(call toolchain,$(USER)," \
/out/eif_build \
--kernel /out/$(TARGET)/bzImage \
--kernel_config /config/$(TARGET)/linux.config \
--cmdline "init=/init" \
--ramdisk /out/rootfs.cpio \
--output /out/$(TARGET)/nitro.eif \
")
endif