1 # SPDX-License-Identifier: GPL-2.0
2 all: test mod
3 test: virtio_test vringh_test vhost_net_test
4 virtio_test: virtio_ring.o virtio_test.o
5 vringh_test: vringh_test.o vringh.o virtio_ring.o
6 vhost_net_test: virtio_ring.o vhost_net_test.o
7
8 try-run = $(shell set -e; \
9 if ($(1)) >/dev/null 2>&1; \
10 then echo "$(2)"; \
11 else echo "$(3)"; \
12 fi)
13
14 __cc-option = $(call try-run,\
15 $(1) -Werror $(2) -c -x c /dev/null -o /dev/null,$(2),)
16 cc-option = $(call __cc-option, $(CC),$(1))
17
18 CFLAGS += -g -O2 -Werror -Wno-maybe-uninitialized -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h $(call cc-option,-mfunction-return=thunk) $(call cc-option,-fcf-protection=none) $(call cc-option,-mindirect-branch-register)
19
20 CFLAGS += -pthread
21 LDFLAGS += -pthread
22 vpath %.c ../../drivers/virtio ../../drivers/vhost
23 mod:
24 ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
25
26 #oot: build vhost as an out of tree module for a distro kernel
27 #no effort is taken to make it actually build or work, but tends to mostly work
28 #if the distro kernel is very close to upstream
29 #unsupported! this is a development tool only, don't use the
30 #resulting modules in production!
31 OOT_KSRC=/lib/modules/$$(uname -r)/build
32 OOT_VHOST=`pwd`/../../drivers/vhost
33 #Everyone depends on vhost
34 #Tweak the below to enable more modules
35 OOT_CONFIGS=\
36 CONFIG_VHOST=m \
37 CONFIG_VHOST_NET=n \
38 CONFIG_VHOST_SCSI=n \
39 CONFIG_VHOST_VSOCK=n \
40 CONFIG_VHOST_RING=n
41 OOT_BUILD=KCFLAGS="-I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V}
42 oot-build:
43 echo "UNSUPPORTED! Don't use the resulting modules in production!"
44 ${OOT_BUILD} M=`pwd`/vhost_test
45 ${OOT_BUILD} M=${OOT_VHOST} ${OOT_CONFIGS}
46
47 oot-clean: oot-build
48 oot: oot-build
49 oot-clean: OOT_BUILD+=clean
50
51 .PHONY: all test mod clean vhost oot oot-clean oot-build
52 clean:
53 ${RM} *.o vringh_test virtio_test vhost_net_test vhost_test/*.o \
54 vhost_test/.*.cmd vhost_test/Module.symvers \
55 vhost_test/modules.order *.d
56 -include *.d
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