1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2021-2022 Alyssa Ross <hi@alyssa.is>
# qemu-kvm is non-standard, but is present in at least Fedora and
# Nixpkgs. If you don't have qemu-kvm, you'll need to set e.g.
# QEMU_KVM = qemu-system-x86_64 -enable-kvm.
QEMU_KVM = qemu-kvm
CLOUD_HYPERVISOR = cloud-hypervisor
VMM = qemu
SCRIPTS = ../../../scripts
HOST_BUILD_FILES = \
build/host/data/netvm/blk/root.img \
build/host/data/netvm/vmlinux
# We produce 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 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 included in the build result.
build/svc: $(HOST_BUILD_FILES)
rm -rf $@
mkdir -p $@
tar -c $(HOST_BUILD_FILES) | tar -C $@ -x --strip-components 2
build/host/data/netvm/vmlinux: $(VMLINUX)
mkdir -p $$(dirname $@)
cp $(VMLINUX) $@
build/host/data/netvm/blk/root.img: $(SCRIPTS)/make-gpt.sh $(SCRIPTS)/sfdisk-field.awk build/rootfs.ext4
mkdir -p $$(dirname $@)
$(SCRIPTS)/make-gpt.sh $@.tmp \
build/rootfs.ext4:4f68bce3-e8cd-4db1-96e7-fbcaf984b709:ea21da27-0391-48da-9235-9d2ab2ca7844:root
mv $@.tmp $@
# tar2ext4 will leave half a filesystem behind if it's interrupted
# half way through.
build/rootfs.ext4: build/rootfs.tar
mkdir -p $$(dirname $@)
tar2ext4 -i build/rootfs.tar -o $@.tmp
mv $@.tmp $@
VM_FILES = \
etc/dbus-1/system.conf \
etc/fstab \
etc/init \
etc/mdev.conf \
etc/mdev/iface \
etc/nftables.conf \
etc/passwd \
etc/s6-linux-init/run-image/service/getty-hvc0/run \
etc/s6-linux-init/scripts/rc.init \
etc/sysctl.conf
VM_DIRS = dev etc/s6-linux-init/env run proc sys var/lib/connman
# These are separate because they need to be included, but putting
# them as make dependencies would confuse make.
VM_LINKS = bin var/run
VM_BUILD_FILES = build/etc/s6-rc
build/empty:
mkdir -p $@
build/rootfs.tar: build/empty $(PACKAGES_TAR) $(VM_FILES) $(VM_BUILD_FILES)
cp --no-preserve=mode -f $(PACKAGES_TAR) $@
tar $(TARFLAGS) --append -f $@ $(VM_FILES) $(VM_LINKS)
echo $(VM_BUILD_FILES) | cut -d/ -f2 | \
tar $(TARFLAGS) --append -f $@ -C build -T -
for m in $(VM_DIRS); do \
tar $(TARFLAGS) --append -hf $@ --xform="s,.*,$$m," build/empty ; \
done
VM_S6_RC_FILES = \
etc/s6-rc/connman/dependencies \
etc/s6-rc/connman/run \
etc/s6-rc/connman/type \
etc/s6-rc/dbus/notification-fd \
etc/s6-rc/dbus/run \
etc/s6-rc/dbus/type \
etc/s6-rc/mdevd-coldplug/dependencies \
etc/s6-rc/mdevd-coldplug/type \
etc/s6-rc/mdevd-coldplug/up \
etc/s6-rc/mdevd/notification-fd \
etc/s6-rc/mdevd/run \
etc/s6-rc/mdevd/type \
etc/s6-rc/nftables/type \
etc/s6-rc/nftables/up \
etc/s6-rc/ok-all/contents \
etc/s6-rc/ok-all/type \
etc/s6-rc/sysctl/type \
etc/s6-rc/sysctl/up
build/etc/s6-rc: $(VM_S6_RC_FILES)
mkdir -p $$(dirname $@)
rm -rf $@
dir=$$(mktemp -d) && \
tar -c $(VM_S6_RC_FILES) | tar -C $$dir -x --strip-components 2 && \
s6-rc-compile $@ $$dir; \
exit=$$?; rm -r $$dir; exit $$exit
run-qemu: build/host/data/netvm/blk/root.img
$(QEMU_KVM) -m 128 -cpu host -machine q35,kernel=$(KERNEL) -vga none \
-drive file=build/host/data/netvm/blk/root.img,if=virtio,format=raw,readonly=on \
-append "console=ttyS0 root=PARTLABEL=root" \
-netdev user,id=net0 \
-device e1000e,netdev=net0 \
-netdev user,id=net1 \
-device virtio-net,netdev=net1,mac=0A:B3:EC:80:00:00 \
-chardev vc,id=virtiocon0 \
-device virtio-serial-pci \
-device virtconsole,chardev=virtiocon0
.PHONY: run-qemu
run-cloud-hypervisor: build/host/data/netvm/blk/root.img
$(CLOUD_HYPERVISOR) \
--api-socket path=vmm.sock \
--memory size=128M \
--disk path=build/host/data/netvm/blk/root.img,readonly=on \
--net tap=tap0 tap=tap1,mac=0A:B3:EC:80:00:00 \
--kernel $(KERNEL) \
--cmdline "console=ttyS0 root=PARTLABEL=root" \
--console tty \
--serial pty
.PHONY: run-cloud-hypervisor
run: run-$(VMM)
.PHONY: run
clean:
rm -rf build
.PHONY: clean
|