278 lines
9.4 KiB
Makefile
278 lines
9.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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testsrc := $(top)/tests
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# Place the build output in one of two places depending on COV, so that code
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# built with code coverage never mixes with code built without code coverage.
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ifeq ($(COV),1)
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testobj := $(obj)/coverage
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else
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testobj := $(obj)/tests
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endif
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cmockasrc := 3rdparty/cmocka
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cmockaobj := $(objutil)/cmocka
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coverage_dir := coverage_reports
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CMOCKA_LIB := $(cmockaobj)/src/libcmocka.so
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CMAKE := cmake
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OBJCOPY ?= objcopy
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OBJDUMP ?= objdump
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TEST_DEFAULT_CONFIG := $(top)/configs/config.emulation_qemu_x86_i440fx
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TEST_DOTCONFIG := $(testobj)/.config
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TEST_KCONFIG_AUTOHEADER := $(testobj)/config.src.h
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TEST_KCONFIG_AUTOCONFIG := $(testobj)/auto.conf
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TEST_KCONFIG_DEPENDENCIES := $(testobj)/auto.conf.cmd
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TEST_KCONFIG_SPLITCONFIG := $(testobj)/config/
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TEST_KCONFIG_TRISTATE := $(testobj)/tristate.conf
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TEST_CFLAGS := -include $(src)/include/kconfig.h \
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-include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h \
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-include $(src)/include/rules.h
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# Include generic test mock headers, before original ones
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TEST_CFLAGS += -I$(testsrc)/include/mocks -I$(testsrc)/include
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TEST_CFLAGS += -I$(src)/include -I$(src)/commonlib/include \
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-I$(src)/commonlib/bsd/include -I$(src)/arch/x86/include
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# Note: This is intentionally just a subset of the warnings in the toplevel
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# Makefile.inc. We don't need to be as strict with test code, and things like
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# -Wmissing-prototypes just make working with the test framework cumbersome.
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# Only put conservative warnings here that really detect code that's obviously
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# unintentional.
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TEST_CFLAGS += -Wall -Werror -Wundef -Wstrict-prototypes -Wno-inline-asm
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# Path for Kconfig autoheader
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TEST_CFLAGS += -I$(dir $(TEST_KCONFIG_AUTOHEADER))
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TEST_CFLAGS += -std=gnu11 -Os -ffunction-sections -fdata-sections -fno-builtin
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TEST_CFLAGS += -D__TEST__
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TEST_CFLAGS += -I$(cmockasrc)/include
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# Link against Cmocka
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TEST_LDFLAGS := -L$(cmockaobj)/src -lcmocka -Wl,-rpath=$(cmockaobj)/src
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TEST_LDFLAGS += -Wl,--gc-sections
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# Some memlayout symbols don't work with userspace relocation -- disable it.
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TEST_CFLAGS += -fno-pie -fno-pic
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TEST_LDFLAGS += -no-pie
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# Enable code coverage if COV=1
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ifeq ($(COV),1)
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TEST_CFLAGS += --coverage
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TEST_LDFLAGS += --coverage
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endif
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# Extra attributes for unit tests, declared per test
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attributes := srcs cflags config mocks stage
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stages := decompressor bootblock romstage smm verstage
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stages += ramstage rmodule postcar libagesa
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alltests :=
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subdirs := tests/arch tests/acpi tests/commonlib tests/console tests/cpu
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subdirs += tests/device tests/drivers tests/ec tests/lib tests/mainboard
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subdirs += tests/northbridge tests/security tests/soc tests/southbridge
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subdirs += tests/superio tests/vendorcode
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define tests-handler
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alltests += $(1)$(2)
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$(foreach attribute,$(attributes),
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$(eval $(1)$(2)-$(attribute) += $($(2)-$(attribute))))
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$(foreach attribute,$(attributes),
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$(eval $(2)-$(attribute) := ))
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# Sanity check for stage attribute value
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$(eval $(1)$(2)-stage := $(if $($(1)$(2)-stage),$($(1)$(2)-stage),ramstage))
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$(if $(findstring $($(1)$(2)-stage), $(stages)),,
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$(error Wrong $(1)$(2)-stage value $($(1)$(2)-stage). \
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Check your $(dir $(1)$(2))Makefile.inc))
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endef
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# Copy attributes of one test to another.
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# $1 - input test name
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# $2 - output test name
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copy-test = $(foreach attr,$(attributes), \
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$(eval $(strip $(2))-$(attr) := $($(strip $(1))-$(attr))))
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$(call add-special-class, tests)
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$(call evaluate_subdirs)
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# Create actual targets for unit test binaries
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# $1 - test name
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define TEST_CC_template
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# Generate custom config.h redefining given symbols
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$(1)-config-file := $(testobj)/$(1)/config.h
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$$($(1)-config-file): $(TEST_KCONFIG_AUTOHEADER)
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mkdir -p $$(dir $$@)
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printf '// File generated by tests/Makefile.inc\n// Do not change\n' > $$@
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printf '#include <%s>\n\n' "$(notdir $(TEST_KCONFIG_AUTOHEADER))" >> $$@
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for kv in $$($(1)-config); do \
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key="`echo $$$$kv | cut -d '=' -f -1`"; \
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value="`echo $$$$kv | cut -d '=' -f 2-`"; \
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printf '#undef %s\n' "$$$$key" >> $$@; \
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printf '#define %s %s\n\n' "$$$$key" "$$$$value" >> $$@; \
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done
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$($(1)-objs): TEST_CFLAGS += -I$$(dir $$($(1)-config-file)) \
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-D__$$(shell echo $$($(1)-stage) | tr '[:lower:]' '[:upper:]')__
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# Weaken symbols listed as mocks to enable overriding in the code
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$($(1)-srcobjs): OBJCOPY_FLAGS += $$(foreach mock,$$($(1)-mocks),--globalize-symbol=$$(mock) --weaken-symbol=$$(mock))
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# Compile sources and apply mocking/wrapping of selected symbols.
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# For each listed mock add new symbol with prefix `__real_`,
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# and pointing to the same section:address.
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$($(1)-objs): $(testobj)/$(1)/%.o: $$$$*.c $$($(1)-config-file)
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mkdir -p $$(dir $$@)
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$(HOSTCC) $(HOSTCFLAGS) $$(TEST_CFLAGS) $($(1)-cflags) -MMD \
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-MF $$(basename $$@).d -MT $$@ -c $$< -o $$@.orig
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$(OBJCOPY) $$@.orig $$(OBJCOPY_FLAGS) $$@.orig2
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objcopy_wrap_flags=''; \
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for sym in $$($(1)-mocks); do \
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sym_line="$$$$($(OBJDUMP) -t $$@.orig2 | grep -E "[0-9a-fA-F]+\\s+w\\s+F\\s+.*\\s$$$$sym$$$$")"; \
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if [ ! -z "$$$$sym_line" ] ; then \
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addr="$$$$(echo \"$$$$sym_line\" | awk '{ print $$$$1 }')"; \
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section="$$$$(echo \"$$$$sym_line\" | awk '{ print $$$$(NF - 2) }')"; \
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objcopy_wrap_flags="$$$$objcopy_wrap_flags --add-symbol __real_$$$${sym}=$$$${section}:0x$$$${addr},function,global"; \
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fi \
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done ; \
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$(OBJCOPY) $$@.orig2 $$$$objcopy_wrap_flags $$@
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$($(1)-bin): $($(1)-objs) $(CMOCKA_LIB)
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$(HOSTCC) $$^ $($(1)-cflags) $$(TEST_LDFLAGS) -o $$@
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endef
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$(foreach test, $(alltests), \
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$(eval $(test)-srcobjs := $(addprefix $(testobj)/$(test)/, \
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$(patsubst %.c,%.o,$(filter src/%,$($(test)-srcs))))) \
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$(eval $(test)-objs := $(addprefix $(testobj)/$(test)/, \
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$(patsubst %.c,%.o,$($(test)-srcs)))))
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$(foreach test, $(alltests), \
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$(eval $(test)-bin := $(testobj)/$(test)/run))
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$(foreach test, $(alltests), \
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$(eval $(call TEST_CC_template,$(test))))
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$(foreach test, $(alltests), \
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$(eval all-test-objs += $($(test)-objs)))
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$(foreach test, $(alltests), \
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$(eval test-bins += $($(test)-bin)))
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DEPENDENCIES += $(addsuffix .d,$(basename $(all-test-objs)))
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-include $(DEPENDENCIES)
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# Build cmocka
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$(CMOCKA_LIB):
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echo "*** Building CMOCKA ***"
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mkdir -p $(cmockaobj)
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cd $(cmockaobj) && $(CMAKE) $(abspath $(cmockasrc))
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$(MAKE) -C $(cmockaobj)
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# Kconfig targets
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$(TEST_DOTCONFIG):
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mkdir -p $(dir $@)
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cp $(TEST_DEFAULT_CONFIG) $(TEST_DOTCONFIG)
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# Don't override default Kconfig variables, since this will affect all
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# Kconfig targets. Change them only when calling sub-make instead.
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$(TEST_KCONFIG_AUTOHEADER): TEST_KCONFIG_FLAGS := DOTCONFIG=$(TEST_DOTCONFIG) \
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KCONFIG_AUTOHEADER=$(TEST_KCONFIG_AUTOHEADER) \
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KCONFIG_AUTOCONFIG=$(TEST_KCONFIG_AUTOCONFIG) \
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KCONFIG_DEPENDENCIES=$(TEST_KCONFIG_DEPENDENCIES) \
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KCONFIG_SPLITCONFIG=$(TEST_KCONFIG_SPLITCONFIG) \
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KCONFIG_TRISTATE=$(TEST_KCONFIG_TRISTATE) \
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KBUILD_DEFCONFIG=$(TEST_DEFAULT_CONFIG)
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$(TEST_KCONFIG_AUTOHEADER): $(TEST_DOTCONFIG) $(objutil)/kconfig/conf
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mkdir -p $(dir $@)
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$(MAKE) $(TEST_KCONFIG_FLAGS) olddefconfig
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$(MAKE) $(TEST_KCONFIG_FLAGS) syncconfig
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$(TEST_KCONFIG_AUTOCONFIG): $(TEST_KCONFIG_AUTOHEADER)
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true
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.PHONY: $(alltests) $(addprefix clean-,$(alltests))
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.PHONY: unit-tests build-unit-tests run-unit-tests clean-unit-tests
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ifeq ($(JUNIT_OUTPUT),y)
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$(alltests): export CMOCKA_MESSAGE_OUTPUT=xml
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$(alltests): export CMOCKA_XML_FILE=$(testobj)/junit-$(subst /,_,$^)-%g.xml
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endif
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$(alltests): $$($$(@)-bin)
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rm -f $(testobj)/junit-$(subst /,_,$^).xml $(testobj)/$(subst /,_,$^).failed
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-./$^ || echo failed > $(testobj)/$(subst /,_,$^).failed
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# Build a code coverage report by collecting all the gcov files into a single
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# report. If COV is not set, this might be a user error, and they're trying
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# to generate a coverage report without first having built and run the code
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# with code coverage. So instead of silently correcting it by adding COV=1,
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# let's flag it to the user so they can be sure they're doing the thing they
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# want to do.
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.PHONY: coverage-report clean-coverage-report
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ifeq ($(COV),1)
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coverage-report:
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lcov -o $(testobj)/tests.info -c -d $(testobj) --exclude '$(testsrc)/*'
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genhtml -q -o $(testobj)/$(coverage_dir) -t "coreboot unit tests" \
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-s $(testobj)/tests.info
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clean-coverage-report:
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rm -Rf $(testobj)/$(coverage_dir)
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else
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coverage-report:
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COV=1 V=$(V) $(MAKE) coverage-report
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clean-coverage-report:
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COV=1 V=$(V) $(MAKE) clean-coverage-report
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endif
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unit-tests: build-unit-tests run-unit-tests
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build-unit-tests: $(test-bins)
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run-unit-tests: $(alltests)
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if [ `find $(testobj) -name '*.failed' | wc -l` -gt 0 ]; then \
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echo "**********************"; \
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echo " TESTS FAILED"; \
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echo "**********************"; \
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exit 1; \
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else \
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echo "**********************"; \
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echo " ALL TESTS PASSED"; \
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echo "**********************"; \
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exit 0; \
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fi
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$(addprefix clean-,$(alltests)): clean-%:
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rm -rf $(testobj)/$*
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clean-unit-tests:
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rm -rf $(testobj)
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list-unit-tests:
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@echo "unit-tests:"
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for t in $(sort $(alltests)); do \
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echo " $$t"; \
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done
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help-unit-tests help::
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@echo '*** coreboot unit-tests targets ***'
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@echo ' Use "COV=1 make [target]" to enable code coverage for unit tests'
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@echo ' unit-tests - Run all unit-tests from tests/'
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@echo ' clean-unit-tests - Remove unit-tests build artifacts'
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@echo ' list-unit-tests - List all unit-tests'
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@echo ' <unit-test> - Build and run single unit-test'
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@echo ' clean-<unit-test> - Remove single unit-test build artifacts'
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@echo ' coverage-report - Generate a code coverage report'
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@echo ' clean-coverage-report - Remove the code coverage report'
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@echo
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