1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Copyright (C) 2015-2019 Jason A. Donenfeld <J
4
5 PWD := $(shell pwd)
6
7 # Set these from the environment to override
8 KERNEL_PATH ?= $(PWD)/../../../../..
9 BUILD_PATH ?= $(PWD)/build/$(ARCH)
10 DISTFILES_PATH ?= $(PWD)/distfiles
11 NR_CPUS ?= 4
12 ARCH ?=
13 CBUILD := $(shell gcc -dumpmachine)
14 HOST_ARCH := $(firstword $(subst -, ,$(CBUILD)
15 ifeq ($(ARCH),)
16 ARCH := $(HOST_ARCH)
17 endif
18
19 MIRROR := https://download.wireguard.com/qemu-
20
21 KERNEL_BUILD_PATH := $(BUILD_PATH)/kernel$(if
22
23 default: qemu
24
25 # variable name, tarball project name, version
26 define tar_download =
27 $(1)_VERSION := $(3)
28 $(1)_NAME := $(2)-$$($(1)_VERSION)
29 $(1)_TAR := $(DISTFILES_PATH)/$$($(1)_NAME)$(4
30 $(1)_PATH := $(BUILD_PATH)/$$($(1)_NAME)
31 $(call file_download,$$($(1)_NAME)$(4),$(5),$(
32 endef
33
34 define file_download =
35 $(DISTFILES_PATH)/$(1): | $(4)
36 mkdir -p $(DISTFILES_PATH)
37 flock -x $$@.lock -c '[ -f $$@ ] && ex
38 endef
39
40 $(eval $(call tar_download,IPERF,iperf,3.11,.t
41 $(eval $(call tar_download,BASH,bash,5.1.16,.t
42 $(eval $(call tar_download,IPROUTE2,iproute2,5
43 $(eval $(call tar_download,IPTABLES,iptables,1
44 $(eval $(call tar_download,NMAP,nmap,7.92,.tgz
45 $(eval $(call tar_download,IPUTILS,iputils,s20
46 $(eval $(call tar_download,WIREGUARD_TOOLS,wir
47
48 export CFLAGS := -O3 -pipe
49 ifeq ($(HOST_ARCH),$(ARCH))
50 CFLAGS += -march=native
51 endif
52 export LDFLAGS :=
53 export CPPFLAGS :=
54
55 QEMU_VPORT_RESULT :=
56 ifeq ($(ARCH),aarch64)
57 CHOST := aarch64-linux-musl
58 QEMU_ARCH := aarch64
59 KERNEL_ARCH := arm64
60 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ar
61 QEMU_VPORT_RESULT := virtio-serial-device
62 ifeq ($(HOST_ARCH),$(ARCH))
63 QEMU_MACHINE := -cpu host -machine virt,gic_ve
64 else
65 QEMU_MACHINE := -cpu max -machine virt
66 CFLAGS += -march=armv8-a
67 endif
68 else ifeq ($(ARCH),aarch64_be)
69 CHOST := aarch64_be-linux-musl
70 QEMU_ARCH := aarch64
71 KERNEL_ARCH := arm64
72 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ar
73 QEMU_VPORT_RESULT := virtio-serial-device
74 ifeq ($(HOST_ARCH),$(ARCH))
75 QEMU_MACHINE := -cpu host -machine virt,gic_ve
76 else
77 QEMU_MACHINE := -cpu max -machine virt
78 CFLAGS += -march=armv8-a
79 endif
80 else ifeq ($(ARCH),arm)
81 CHOST := arm-linux-musleabi
82 QEMU_ARCH := arm
83 KERNEL_ARCH := arm
84 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ar
85 QEMU_VPORT_RESULT := virtio-serial-device
86 ifeq ($(HOST_ARCH),$(ARCH))
87 QEMU_MACHINE := -cpu host -machine virt,gic_ve
88 else
89 QEMU_MACHINE := -cpu max -machine virt
90 CFLAGS += -march=armv7-a -mabi=aapcs-linux
91 endif
92 else ifeq ($(ARCH),armeb)
93 CHOST := armeb-linux-musleabi
94 QEMU_ARCH := arm
95 KERNEL_ARCH := arm
96 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ar
97 QEMU_VPORT_RESULT := virtio-serial-device
98 ifeq ($(HOST_ARCH),$(ARCH))
99 QEMU_MACHINE := -cpu host -machine virt,gic_ve
100 else
101 QEMU_MACHINE := -cpu max -machine virt
102 CFLAGS += -march=armv7-a -mabi=aapcs-linux
103 LDFLAGS += -Wl,--be8
104 endif
105 else ifeq ($(ARCH),x86_64)
106 CHOST := x86_64-linux-musl
107 QEMU_ARCH := x86_64
108 KERNEL_ARCH := x86_64
109 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x8
110 QEMU_VPORT_RESULT := virtio-serial-device
111 ifeq ($(HOST_ARCH),$(ARCH))
112 QEMU_MACHINE := -cpu host -machine microvm,acc
113 else
114 QEMU_MACHINE := -cpu max -machine microvm,acpi
115 endif
116 else ifeq ($(ARCH),i686)
117 CHOST := i686-linux-musl
118 QEMU_ARCH := i386
119 KERNEL_ARCH := x86
120 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x8
121 QEMU_VPORT_RESULT := virtio-serial-device
122 ifeq ($(subst x86_64,i686,$(HOST_ARCH)),$(ARCH
123 QEMU_MACHINE := -cpu host -machine microvm,acc
124 else
125 QEMU_MACHINE := -cpu coreduo -machine microvm,
126 endif
127 else ifeq ($(ARCH),mips64)
128 CHOST := mips64-linux-musl
129 QEMU_ARCH := mips64
130 KERNEL_ARCH := mips
131 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
132 ifeq ($(HOST_ARCH),$(ARCH))
133 QEMU_MACHINE := -cpu host -machine malta,accel
134 CFLAGS += -EB
135 else
136 QEMU_MACHINE := -cpu MIPS64R2-generic -machine
137 CFLAGS += -march=mips64r2 -EB
138 endif
139 else ifeq ($(ARCH),mips64el)
140 CHOST := mips64el-linux-musl
141 QEMU_ARCH := mips64el
142 KERNEL_ARCH := mips
143 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
144 ifeq ($(HOST_ARCH),$(ARCH))
145 QEMU_MACHINE := -cpu host -machine malta,accel
146 CFLAGS += -EL
147 else
148 QEMU_MACHINE := -cpu MIPS64R2-generic -machine
149 CFLAGS += -march=mips64r2 -EL
150 endif
151 else ifeq ($(ARCH),mips)
152 CHOST := mips-linux-musl
153 QEMU_ARCH := mips
154 KERNEL_ARCH := mips
155 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
156 ifeq ($(HOST_ARCH),$(ARCH))
157 QEMU_MACHINE := -cpu host -machine malta,accel
158 CFLAGS += -EB
159 else
160 QEMU_MACHINE := -cpu 24Kf -machine malta -smp
161 CFLAGS += -march=mips32r2 -EB
162 endif
163 else ifeq ($(ARCH),mipsel)
164 CHOST := mipsel-linux-musl
165 QEMU_ARCH := mipsel
166 KERNEL_ARCH := mips
167 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
168 ifeq ($(HOST_ARCH),$(ARCH))
169 QEMU_MACHINE := -cpu host -machine malta,accel
170 CFLAGS += -EL
171 else
172 QEMU_MACHINE := -cpu 24Kf -machine malta -smp
173 CFLAGS += -march=mips32r2 -EL
174 endif
175 else ifeq ($(ARCH),powerpc64)
176 CHOST := powerpc64-linux-musl
177 QEMU_ARCH := ppc64
178 KERNEL_ARCH := powerpc
179 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
180 ifeq ($(HOST_ARCH),$(ARCH))
181 QEMU_MACHINE := -cpu host,accel=kvm -machine p
182 else
183 QEMU_MACHINE := -machine pseries -device spapr
184 endif
185 else ifeq ($(ARCH),powerpc64le)
186 CHOST := powerpc64le-linux-musl
187 QEMU_ARCH := ppc64
188 KERNEL_ARCH := powerpc
189 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
190 ifeq ($(HOST_ARCH),$(ARCH))
191 QEMU_MACHINE := -cpu host,accel=kvm -machine p
192 else
193 QEMU_MACHINE := -machine pseries -device spapr
194 endif
195 else ifeq ($(ARCH),powerpc)
196 CHOST := powerpc-linux-musl
197 QEMU_ARCH := ppc
198 KERNEL_ARCH := powerpc
199 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/po
200 ifeq ($(HOST_ARCH),$(ARCH))
201 QEMU_MACHINE := -cpu host,accel=kvm -machine p
202 else
203 QEMU_MACHINE := -machine ppce500
204 endif
205 else ifeq ($(ARCH),m68k)
206 CHOST := m68k-linux-musl
207 QEMU_ARCH := m68k
208 KERNEL_ARCH := m68k
209 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
210 KERNEL_CMDLINE := $(shell sed -n 's/CONFIG_CMD
211 QEMU_VPORT_RESULT := virtio-serial-device
212 ifeq ($(HOST_ARCH),$(ARCH))
213 QEMU_MACHINE := -cpu host,accel=kvm -machine v
214 else
215 QEMU_MACHINE := -machine virt -smp 1 -append $
216 endif
217 else ifeq ($(ARCH),riscv64)
218 CHOST := riscv64-linux-musl
219 QEMU_ARCH := riscv64
220 KERNEL_ARCH := riscv
221 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ri
222 QEMU_VPORT_RESULT := virtio-serial-device
223 ifeq ($(HOST_ARCH),$(ARCH))
224 QEMU_MACHINE := -cpu host,accel=kvm -machine v
225 else
226 QEMU_MACHINE := -cpu rv64 -machine virt
227 endif
228 else ifeq ($(ARCH),riscv32)
229 CHOST := riscv32-linux-musl
230 QEMU_ARCH := riscv32
231 KERNEL_ARCH := riscv
232 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/ri
233 QEMU_VPORT_RESULT := virtio-serial-device
234 ifeq ($(HOST_ARCH),$(ARCH))
235 QEMU_MACHINE := -cpu host,accel=kvm -machine v
236 else
237 QEMU_MACHINE := -cpu rv32 -machine virt
238 endif
239 else ifeq ($(ARCH),s390x)
240 CHOST := s390x-linux-musl
241 QEMU_ARCH := s390x
242 KERNEL_ARCH := s390
243 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/s3
244 KERNEL_CMDLINE := $(shell sed -n 's/CONFIG_CMD
245 QEMU_VPORT_RESULT := virtio-serial-ccw
246 ifeq ($(HOST_ARCH),$(ARCH))
247 QEMU_MACHINE := -cpu host,accel=kvm -machine s
248 else
249 QEMU_MACHINE := -cpu max -machine s390-ccw-vir
250 endif
251 else ifeq ($(ARCH),um)
252 CHOST := $(HOST_ARCH)-linux-musl
253 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
254 KERNEL_ARCH := um
255 KERNEL_CMDLINE := $(shell sed -n 's/CONFIG_CMD
256 else
257 $(error I only build: x86_64, i686, arm, armeb
258 endif
259
260 TOOLCHAIN_FILENAME := $(CHOST)-cross.tgz
261 TOOLCHAIN_TAR := $(DISTFILES_PATH)/$(TOOLCHAIN
262 TOOLCHAIN_PATH := $(BUILD_PATH)/$(CHOST)-cross
263 TOOLCHAIN_DIR := https://download.wireguard.co
264 $(eval $(call file_download,toolchain-sha256su
265 $(eval $(call file_download,$(TOOLCHAIN_FILENA
266
267 STRIP := $(CHOST)-strip
268 CROSS_COMPILE_FLAG := --build=$(CBUILD) --host
269 $(info Building for $(CHOST) using $(CBUILD))
270 ifneq ($(ARCH),um)
271 export CROSS_COMPILE := $(CHOST)-
272 endif
273 export PATH := $(TOOLCHAIN_PATH)/bin:$(PATH)
274 export CC := $(CHOST)-gcc
275 CCACHE_PATH := $(shell which ccache 2>/dev/nul
276 ifneq ($(CCACHE_PATH),)
277 export KBUILD_BUILD_TIMESTAMP := Fri Jun 5 15
278 export PATH := $(TOOLCHAIN_PATH)/bin/ccache:$(
279 export CCACHE_SLOPPINESS := file_macro,time_ma
280 export CCACHE_DIR ?= $(PWD)/ccache
281 endif
282
283 USERSPACE_DEPS := $(TOOLCHAIN_PATH)/.installed
284
285 comma := ,
286 build: $(KERNEL_BZIMAGE)
287 qemu: $(KERNEL_BZIMAGE)
288 rm -f $(BUILD_PATH)/result
289 ifneq ($(ARCH),um)
290 timeout --foreground 20m qemu-system-$
291 -nodefaults \
292 -nographic \
293 -smp $(NR_CPUS) \
294 $(QEMU_MACHINE) \
295 -m $$(grep -q CONFIG_DEBUG_KME
296 -serial stdio \
297 -chardev file,path=$(BUILD_PAT
298 $(if $(QEMU_VPORT_RESULT),-dev
299 -no-reboot \
300 -monitor none \
301 -kernel $<
302 else
303 timeout --foreground 20m $< \
304 $(KERNEL_CMDLINE) \
305 mem=$$(grep -q CONFIG_DEBUG_KM
306 noreboot \
307 con1=fd:51 51>$(BUILD_PATH)/re
308 endif
309 grep -Fq success $(BUILD_PATH)/result
310
311 $(BUILD_PATH)/init-cpio-spec.txt: $(TOOLCHAIN_
312 mkdir -p $(BUILD_PATH)
313 echo "file /init $(BUILD_PATH)/init 75
314 echo "file /init.sh $(PWD)/../netns.sh
315 echo "dir /dev 755 0 0" >> $@
316 echo "nod /dev/console 644 0 0 c 5 1"
317 echo "dir /bin 755 0 0" >> $@
318 echo "file /bin/iperf3 $(IPERF_PATH)/s
319 echo "file /bin/wg $(WIREGUARD_TOOLS_P
320 echo "file /bin/bash $(BASH_PATH)/bash
321 echo "file /bin/ip $(IPROUTE2_PATH)/ip
322 echo "file /bin/ss $(IPROUTE2_PATH)/mi
323 echo "file /bin/ping $(IPUTILS_PATH)/p
324 echo "file /bin/ncat $(NMAP_PATH)/ncat
325 echo "file /bin/xtables-legacy-multi $
326 echo "slink /bin/iptables xtables-lega
327 echo "slink /bin/ping6 ping 777 0 0" >
328 echo "dir /lib 755 0 0" >> $@
329 echo "file /lib/libc.so $(TOOLCHAIN_PA
330 echo "slink $$($(CHOST)-readelf -p .in
331
332 $(KERNEL_BUILD_PATH)/.config: $(TOOLCHAIN_PATH
333 mkdir -p $(KERNEL_BUILD_PATH)
334 cp kernel.config $(KERNEL_BUILD_PATH)/
335 printf 'CONFIG_NR_CPUS=$(NR_CPUS)\nCON
336 cat arch/$(ARCH).config >> $(KERNEL_BU
337 $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_B
338 cd $(KERNEL_BUILD_PATH) && ARCH=$(KERN
339 $(if $(findstring yes,$(DEBUG_KERNEL))
340
341 $(KERNEL_BZIMAGE): $(TOOLCHAIN_PATH)/.installe
342 $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_B
343 .PHONY: $(KERNEL_BZIMAGE)
344
345 $(TOOLCHAIN_PATH)/$(CHOST)/include/linux/.inst
346 ifneq ($(ARCH),um)
347 rm -rf $(TOOLCHAIN_PATH)/$(CHOST)/incl
348 $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_B
349 endif
350 touch $@
351
352 $(TOOLCHAIN_PATH)/.installed: $(TOOLCHAIN_TAR)
353 mkdir -p $(BUILD_PATH)
354 flock -s $<.lock tar -C $(BUILD_PATH)
355 $(STRIP) -s $(TOOLCHAIN_PATH)/$(CHOST)
356 ifneq ($(CCACHE_PATH),)
357 mkdir -p $(TOOLCHAIN_PATH)/bin/ccache
358 ln -s $(CCACHE_PATH) $(TOOLCHAIN_PATH)
359 endif
360 touch $@
361
362 $(IPERF_PATH)/.installed: $(IPERF_TAR)
363 mkdir -p $(BUILD_PATH)
364 flock -s $<.lock tar -C $(BUILD_PATH)
365 sed -i '1s/^/#include <stdint.h>/' $(I
366 sed -i -r 's/-p?g//g' $(IPERF_PATH)/sr
367 touch $@
368
369 $(IPERF_PATH)/src/iperf3: | $(IPERF_PATH)/.ins
370 cd $(IPERF_PATH) && autoreconf -fi
371 cd $(IPERF_PATH) && CFLAGS="$(CFLAGS)
372 $(MAKE) -C $(IPERF_PATH)
373 $(STRIP) -s $@
374
375 $(WIREGUARD_TOOLS_PATH)/.installed: $(WIREGUAR
376 mkdir -p $(BUILD_PATH)
377 flock -s $<.lock tar -C $(BUILD_PATH)
378 touch $@
379
380 $(WIREGUARD_TOOLS_PATH)/src/wg: | $(WIREGUARD_
381 $(MAKE) -C $(WIREGUARD_TOOLS_PATH)/src
382 $(STRIP) -s $@
383
384 $(BUILD_PATH)/init: init.c | $(USERSPACE_DEPS)
385 mkdir -p $(BUILD_PATH)
386 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) -std=
387 $(STRIP) -s $@
388
389 $(IPUTILS_PATH)/.installed: $(IPUTILS_TAR)
390 mkdir -p $(BUILD_PATH)
391 flock -s $<.lock tar -C $(BUILD_PATH)
392 touch $@
393
394 $(IPUTILS_PATH)/ping: | $(IPUTILS_PATH)/.insta
395 sed -i /atexit/d $(IPUTILS_PATH)/ping.
396 cd $(IPUTILS_PATH) && $(CC) $(CFLAGS)
397 $(STRIP) -s $@
398
399 $(BASH_PATH)/.installed: $(BASH_TAR)
400 mkdir -p $(BUILD_PATH)
401 flock -s $<.lock tar -C $(BUILD_PATH)
402 touch $@
403
404 $(BASH_PATH)/bash: | $(BASH_PATH)/.installed $
405 cd $(BASH_PATH) && ./configure --prefi
406 $(MAKE) -C $(BASH_PATH)
407 $(STRIP) -s $@
408
409 $(IPROUTE2_PATH)/.installed: $(IPROUTE2_TAR)
410 mkdir -p $(BUILD_PATH)
411 flock -s $<.lock tar -C $(BUILD_PATH)
412 printf 'CC:=$(CC)\nPKG_CONFIG:=pkg-con
413 printf 'libutil.a.done:\n\tflock -x $$
414 touch $@
415
416 $(IPROUTE2_PATH)/ip/ip: | $(IPROUTE2_PATH)/.in
417 $(MAKE) -C $(IPROUTE2_PATH) PREFIX=/ i
418 $(STRIP) -s $@
419
420 $(IPROUTE2_PATH)/misc/ss: | $(IPROUTE2_PATH)/.
421 $(MAKE) -C $(IPROUTE2_PATH) PREFIX=/ m
422 $(STRIP) -s $@
423
424 $(IPTABLES_PATH)/.installed: $(IPTABLES_TAR)
425 mkdir -p $(BUILD_PATH)
426 flock -s $<.lock tar -C $(BUILD_PATH)
427 sed -i -e "/nfnetlink=[01]/s:=[01]:=0:
428 touch $@
429
430 $(IPTABLES_PATH)/iptables/xtables-legacy-multi
431 cd $(IPTABLES_PATH) && ./configure --p
432 $(MAKE) -C $(IPTABLES_PATH)
433 $(STRIP) -s $@
434
435 $(NMAP_PATH)/.installed: $(NMAP_TAR)
436 mkdir -p $(BUILD_PATH)
437 flock -s $<.lock tar -C $(BUILD_PATH)
438 touch $@
439
440 $(NMAP_PATH)/ncat/ncat: | $(NMAP_PATH)/.instal
441 cd $(NMAP_PATH) && ./configure --prefi
442 $(MAKE) -C $(NMAP_PATH)/libpcap
443 $(MAKE) -C $(NMAP_PATH)/ncat
444 $(STRIP) -s $@
445
446 clean:
447 rm -rf $(BUILD_PATH)
448
449 distclean: clean
450 rm -rf $(DISTFILES_PATH)
451
452 cacheclean: clean
453 ifneq ($(CCACHE_DIR),)
454 rm -rf $(CCACHE_DIR)
455 endif
456
457 menuconfig: $(KERNEL_BUILD_PATH)/.config
458 $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_B
459
460 .PHONY: qemu build clean distclean cacheclean
461 .DELETE_ON_ERROR:
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