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| | # SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2021-2024 Alyssa Ross <hi@alyssa.is>
.POSIX:
include ../../lib/common.mk
include file-list.mk
dest = build/rootfs.erofs
DIRS = \
dev \
etc/s6-linux-init/env \
etc/s6-linux-init/run-image/configs \
etc/s6-linux-init/run-image/sd-notify-wrapper \
etc/s6-linux-init/run-image/service/dbus/instance \
etc/s6-linux-init/run-image/service/dbus/instances \
etc/s6-linux-init/run-image/service/dbus/template/data \
etc/s6-linux-init/run-image/service/dbus/template/env \
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/vhost-user-fs/instance \
etc/s6-linux-init/run-image/service/vhost-user-fs/instances \
etc/s6-linux-init/run-image/service/vhost-user-fs/template/data \
etc/s6-linux-init/run-image/service/vhost-user-fs/template/env \
etc/s6-linux-init/run-image/service/vhost-user-gpu/instance \
etc/s6-linux-init/run-image/service/vhost-user-gpu/instances \
etc/s6-linux-init/run-image/service/vhost-user-gpu/template/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/service/xdg-desktop-portal-spectrum-host/instance \
etc/s6-linux-init/run-image/service/xdg-desktop-portal-spectrum-host/instances \
etc/s6-linux-init/run-image/service/xdg-desktop-portal-spectrum-host/template/data \
etc/s6-linux-init/run-image/service/xdg-desktop-portal-spectrum-host/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 \
ext \
proc \
run \
sys
FIFOS = etc/s6-linux-init/run-image/service/s6-svscan-log/fifo
BUILD_FILES = build/etc/s6-rc
$(dest): ../../scripts/make-erofs.sh $(PACKAGES_FILE) $(FILES) $(BUILD_FILES) build/empty build/fifo file-list.mk
{ \
cat $(PACKAGES_FILE) ;\
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/fifo:
mkdir -p build
mkfifo -m 0600 $@
build/empty:
mkdir -p $@
build/etc:
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 build/etc
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
# veritysetup format produces two files, but Make only (portably)
# supports one output per rule, so we combine the two outputs then
# define two more rules to separate them again.
build/rootfs.verity: $(dest)
$(VERITYSETUP) format $(dest) build/rootfs.verity.superblock.tmp \
| awk -F ':[[:blank:]]*' '$$1 == "Root hash" {print $$2; exit}' \
> build/rootfs.verity.roothash.tmp
cat build/rootfs.verity.roothash.tmp build/rootfs.verity.superblock.tmp \
> $@
rm build/rootfs.verity.roothash.tmp build/rootfs.verity.superblock.tmp
build/rootfs.verity.roothash: build/rootfs.verity
head -n 1 build/rootfs.verity > $@
build/rootfs.verity.superblock: build/rootfs.verity
tail -n +2 build/rootfs.verity > $@
build/live.img: ../../scripts/format-uuid.sh ../../scripts/make-gpt.sh ../../scripts/sfdisk-field.awk build/rootfs.verity.superblock build/rootfs.verity.roothash $(dest)
../../scripts/make-gpt.sh $@.tmp \
build/rootfs.verity.superblock:verity:$$(../../scripts/format-uuid.sh "$$(dd if=build/rootfs.verity.roothash bs=32 skip=1 count=1 status=none)") \
$(dest):root:$$(../../scripts/format-uuid.sh "$$(head -c 32 build/rootfs.verity.roothash)")
mv $@.tmp $@
debug:
$(GDB) -q \
-ex 'set substitute-path .. $(LINUX_SRC)' \
-ex 'target remote build/gdb.sock' \
$(VMLINUX)
.PHONY: debug
run: build/live.img $(EXT_FS) build/rootfs.verity.roothash
@set -x && \
ext="$$(mktemp build/spectrum-rootfs-extfs.XXXXXXXXXX.img)" && \
truncate -s 10G "$$ext" && \
mkfs.btrfs "$$ext" && \
exec 3<>"$$ext" && \
rm -f "$$ext" && \
set +x && \
exec ../../scripts/run-qemu.sh -cpu max -m 4G \
-machine virtualization=on \
-kernel $(KERNEL) \
-initrd $(INITRAMFS) \
-gdb unix:build/gdb.sock,server,nowait \
-qmp unix:build/vmm.sock,server,nowait \
-monitor vc \
-parallel none \
-chardev vc,id=virtiocon0 \
-device virtio-serial \
-device virtconsole,chardev=virtiocon0 \
-drive file=build/live.img,if=virtio,format=raw,readonly=on \
-drive file=/proc/self/fd/3,if=virtio,format=raw \
-append "earlycon console=hvc0 roothash=$$(< build/rootfs.verity.roothash) intel_iommu=on nokaslr" \
-device virtio-keyboard \
-device virtio-mouse \
-device virtio-gpu \
-netdev user,id=net0 \
-device e1000e,netdev=net0 \
-vga none \
-device vhost-vsock-pci,guest-cid=3
.PHONY: run
|