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| | # SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2021-2024 Alyssa Ross <hi@alyssa.is>
# SPDX-FileCopyrightText: 2025 Demi Marie Obenour <demiobenour@gmail.com>
.POSIX:
include ../../lib/common.mk
include file-list.mk
ROOT_FS = build
DIRS = \
boot \
dev \
etc/s6-linux-init/env \
etc/s6-linux-init/run-image/configs \
etc/s6-linux-init/run-image/portal-bus \
etc/s6-linux-init/run-image/router \
etc/s6-linux-init/run-image/sd-notify-wrapper \
etc/s6-linux-init/run-image/service/serial-getty/instance \
etc/s6-linux-init/run-image/service/serial-getty/instances \
etc/s6-linux-init/run-image/service/vm-services/instance \
etc/s6-linux-init/run-image/service/vm-services/instances \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/dbus/data \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/dbus/env \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/vhost-user-fs/data \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/vhost-user-fs/env \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/vhost-user-gpu/env \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/xdg-desktop-portal-spectrum-host/data \
etc/s6-linux-init/run-image/service/vm-services/template/data/service/xdg-desktop-portal-spectrum-host/env \
etc/s6-linux-init/run-image/service/vmm/instance \
etc/s6-linux-init/run-image/service/vmm/instances \
etc/s6-linux-init/run-image/service/vmm/template/data \
etc/s6-linux-init/run-image/service/vmm/template/env \
etc/s6-linux-init/run-image/user \
etc/s6-linux-init/run-image/vm/by-id \
etc/s6-linux-init/run-image/vm/by-name \
etc/s6-linux-init/run-image/vsock \
home \
media \
proc \
run \
sys \
tmp
FIFOS = \
etc/s6-linux-init/run-image/service/s6-svscan-log/fifo \
etc/s6-linux-init/run-image/service/s6-linux-init-shutdownd/fifo
BUILD_FILES = build/etc/s6-rc build/etc/os-release build/etc/update-url
# This rule produces three files but Make only (portably)
# supports one output per rule. Instead of resorting to temporary
# files, a timestamp file is created as the last step. The actual
# outputs are produced as side-effects.
build/verity-timestamp: $(ROOT_FS_IMAGE)
mkdir -p build
$(VERITYSETUP) format \
--root-hash-file $(ROOT_FS_VERITY_ROOTHASH) \
-- $(ROOT_FS_IMAGE) $(ROOT_FS_VERITY)
# Add trailing newline so that the read < $(ROOT_FS_VERITY_ROOTHASH) succeeds.
# Without the trailing newline it assumes a premature EOF happened and returns
# a nonzero status.
echo >> $(ROOT_FS_VERITY_ROOTHASH)
touch -- $@
$(ROOT_FS_VERITY_ROOTHASH) $(ROOT_FS_VERITY): build/verity-timestamp
$(ROOT_FS_IMAGE): ../../scripts/make-erofs.sh $(PACKAGES_FILE) $(FILES) $(BUILD_FILES) build/empty build/fifo file-list.mk
mkdir -p $(ROOT_FS) && \
{ \
cat $(PACKAGES_FILE) ;\
printf '%s\n%s\n' "$$UPDATE_SIGNING_KEY" /etc/systemd/import-pubring.gpg; \
for file in $(FILES) $(LINKS); do printf '%s\n%s\n' $$file "$${file#image/}"; done ;\
for file in $(BUILD_FILES); do printf '%s\n%s\n' $$file $${file#build/}; done ;\
printf 'build/empty\n%s\n' $(DIRS) ;\
printf 'build/fifo\n%s\n' $(FIFOS) ;\
} | ../../scripts/make-erofs.sh $@
build/etc/update-url:
mkdir -p build/etc
# might have metacharacters, so avoid interpolation
printf %s\\n "$${UPDATE_URL:?'update URL empty or missing'}" > build/etc/update-url
build/etc/os-release:
mkdir -p build/etc
sed 's/@VERSION@/$(VERSION)/g' < os-release.in > build/etc/os-release
build/fifo:
mkdir -p build
mkfifo -m 0600 $@
build/empty:
mkdir -p $@
# s6-rc-compile's input is a directory, but that doesn't play nice
# with Make, because it won't know to update if some file in the
# directory is changed, or a file is created or removed in a
# subdirectory. Using the whole source directory could also end up
# including files that aren't intended to be part of the input, like
# temporary editor files or .license files. So for all these reasons,
# only explicitly listed files are made available to s6-rc-compile.
build/etc/s6-rc: $(S6_RC_FILES) file-list.mk
mkdir -p $$(dirname $@)
rm -rf $@
set -uo pipefail && dir=$$(mktemp -d) && \
{ tar -c $(S6_RC_FILES) | tar -C $$dir -x --strip-components 3; } && \
s6-rc-compile $@ $$dir; \
exit=$$?; rm -r $$dir; exit $$exit
clean:
-chmod -Rf +w build
rm -rf build
.PHONY: clean
build/live.img: ../../scripts/format-uuid.sh ../../scripts/make-gpt.sh ../../scripts/sfdisk-field.awk build/verity-timestamp $(ROOT_FS_IMAGES)
../../scripts/make-gpt.sh $@.tmp \
$(ROOT_FS_VERITY):verity:$$(../../scripts/format-uuid.sh "$$(dd if=$(ROOT_FS_VERITY_ROOTHASH) bs=32 skip=1 count=1 status=none)"):Spectrum_'$(VERSION).verity' \
$(ROOT_FS_IMAGE):root:$$(../../scripts/format-uuid.sh "$$(head -c 32 $(ROOT_FS_VERITY_ROOTHASH))"):Spectrum_'$(VERSION)'
mv $@.tmp $@
debug:
$(GDB) -q \
-ex 'set substitute-path .. $(LINUX_SRC)' \
-ex 'target remote build/gdb.sock' \
$(VMLINUX)
.PHONY: debug
run: build/empty build/live.img $(ROOTFS_VERITY_ROOTHASH)
@set -x && \
ext="$$(mktemp build/spectrum-rootfs-extfs.XXXXXXXXXX.img)" && \
truncate -s 10G "$$ext" && \
unshare --map-user 1000 --map-group 1000 mkfs.btrfs -r build/empty "$$ext" && \
exec 3<>"$$ext" && \
rm -f "$$ext" && \
set +x && \
exec ../../scripts/run-qemu.sh -cpu max -m 4G \
-machine virtualization=on \
-kernel $(KERNEL) \
-initrd $(INITRAMFS) \
-display gtk,gl=on \
-gdb unix:build/gdb.sock,server,nowait \
-qmp unix:build/vmm.sock,server,nowait \
-monitor vc \
-parallel none \
-chardev vc,id=virtiocon0 \
-device virtio-serial \
-device virtconsole,chardev=virtiocon0 \
-drive file=build/live.img,if=virtio,format=raw,readonly=on \
-drive file=/proc/self/fd/3,if=virtio,format=raw \
-append "earlycon console=hvc0 roothash=$$(< $(ROOT_FS_VERITY_ROOTHASH)) intel_iommu=on nokaslr" \
-device virtio-keyboard \
-device virtio-mouse \
-device virtio-gpu-gl \
-netdev user,id=net0 \
-device e1000e,netdev=net0 \
-vga none \
-device vhost-vsock-pci,guest-cid=3
.PHONY: run
|