1# SPDX-License-Identifier: GPL-2.0 2all: test mod 3test: virtio_test vringh_test 4virtio_test: virtio_ring.o virtio_test.o 5vringh_test: vringh_test.o vringh.o virtio_ring.o 6 7try-run = $(shell set -e; \ 8 if ($(1)) >/dev/null 2>&1; \ 9 then echo "$(2)"; \ 10 else echo "$(3)"; \ 11 fi) 12 13__cc-option = $(call try-run,\ 14 $(1) -Werror $(2) -c -x c /dev/null -o /dev/null,$(2),) 15cc-option = $(call __cc-option, $(CC),$(1)) 16 17CFLAGS += -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) 18 19CFLAGS += -pthread 20LDFLAGS += -pthread 21vpath %.c ../../drivers/virtio ../../drivers/vhost 22mod: 23 ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V} 24 25#oot: build vhost as an out of tree module for a distro kernel 26#no effort is taken to make it actually build or work, but tends to mostly work 27#if the distro kernel is very close to upstream 28#unsupported! this is a development tool only, don't use the 29#resulting modules in production! 30OOT_KSRC=/lib/modules/$$(uname -r)/build 31OOT_VHOST=`pwd`/../../drivers/vhost 32#Everyone depends on vhost 33#Tweak the below to enable more modules 34OOT_CONFIGS=\ 35 CONFIG_VHOST=m \ 36 CONFIG_VHOST_NET=n \ 37 CONFIG_VHOST_SCSI=n \ 38 CONFIG_VHOST_VSOCK=n \ 39 CONFIG_VHOST_RING=n 40OOT_BUILD=KCFLAGS="-I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V} 41oot-build: 42 echo "UNSUPPORTED! Don't use the resulting modules in production!" 43 ${OOT_BUILD} M=`pwd`/vhost_test 44 ${OOT_BUILD} M=${OOT_VHOST} ${OOT_CONFIGS} 45 46oot-clean: oot-build 47oot: oot-build 48oot-clean: OOT_BUILD+=clean 49 50.PHONY: all test mod clean vhost oot oot-clean oot-build 51clean: 52 ${RM} *.o vringh_test virtio_test vhost_test/*.o vhost_test/.*.cmd \ 53 vhost_test/Module.symvers vhost_test/modules.order *.d 54-include *.d 55