322 lines
11 KiB
Makefile
322 lines
11 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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coverage-dir := $(testobj)/coverage_reports
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cmockasrc := $(coreboottop)/3rdparty/cmocka
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cmockaobj := $(objutil)/cmocka
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CMOCKA_LIB := $(cmockaobj)/src/libcmocka.so
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CMAKE := cmake
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TEST_DEFAULT_CONFIG := $(top)/configs/config.unit-tests
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TEST_DOTCONFIG := $(testobj)/.config
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TEST_KCONFIG_AUTOHEADER := $(testobj)/libpayload-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_KCONFIG_NEGATIVES := 1
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TEST_KBUILD_KCONFIG := $(top)/Kconfig
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TEST_CONFIG_ := CONFIG_LP_
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# Default includes
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TEST_CFLAGS := -include include/kconfig.h
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TEST_CFLAGS += -include $(coreboottop)/src/commonlib/bsd/include/commonlib/bsd/compiler.h
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TEST_CFLAGS += -Iinclude -Iinclude/mock
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TEST_CFLAGS += -I$(coreboottop)/src/commonlib/bsd/include
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TEST_CFLAGS += -I$(dir $(TEST_KCONFIG_AUTOHEADER))
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TEST_CFLAGS += -I$(VBOOT_SOURCE)/firmware/include
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# Test specific includes
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TEST_CFLAGS += -I$(testsrc)/include
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TEST_CFLAGS += -I$(cmockasrc)/include
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# Minimal subset of warnings and errors. Tests can be less strict than actual build.
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TEST_CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wvla
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TEST_CFLAGS += -Wwrite-strings -Wno-trigraphs -Wimplicit-fallthrough
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TEST_CFLAGS += -Wstrict-aliasing -Wshadow -Werror
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TEST_CFLAGS += -Wno-unknown-warning-option -Wno-source-mgr -Wno-main-return-type
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TEST_CFLAGS += -std=gnu11 -Os -ffunction-sections -fdata-sections -fno-builtin
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# Make unit-tests detectable by the code
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TEST_CFLAGS += -D__TEST__
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# Link against CMocka
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TEST_LDFLAGS := -L$(dir $(CMOCKA_LIB)) -lcmocka -Wl,-rpath=$(dir $(CMOCKA_LIB))
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TEST_LDFLAGS += -Wl,--gc-sections
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# Disable userspace relocations
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TEST_CFLAGS += -fno-pie -fno-pic
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TEST_LDFLAGS += -no-pie
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ifeq ($(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. Declated per each test. Only `srcs` is required.
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attributes := cflags config mocks srcs
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alltests :=
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subdirs := tests/crypto tests/curses tests/drivers tests/gdb tests/libc tests/libcbfs
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subdirs += tests/liblz4 tests/liblzma tests/libpci
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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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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 = $(foreach attribute,$(attributes), \
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$(eval $(strip $(2))-$(attribute) := $($(strip $(1))-$(attribute))))
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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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# $1 - test name
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define TEST_CC_template
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# Generate custom config.h redefining given config symbols, and declaring mocked
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# functions weak. It is important that the compiler already sees that they are
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# weak (and they aren't just turned weak at a later stage) to prevent certain
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# optimizations that would break if the function gets replaced. (For clang this
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# file needs to be marked `system_header` to prevent it from warning about
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# `#pragma weak` entries without a matching function declaration, since there is
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# no -Wno-xxx commandline for that.)
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$(1)-config-file := $(testobj)/$(1)/libpayload-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 '#ifndef TEST_LIBPAYLOAD_CONFIG_H_\n' >> $$@;
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printf '#define TEST_LIBPAYLOAD_CONFIG_H_\n' >> $$@;
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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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printf '#ifdef __clang__\n' >> $$@;
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printf '#pragma clang system_header\n' >> $$@;
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printf '#endif\n\n' >> $$@;
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printf '#ifdef __TEST_SRCOBJ__\n' >> $$@;
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for m in $$($(1)-mocks); do \
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printf '#pragma weak %s\n' "$$$$m" >> $$@; \
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done
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printf '#endif\n\n' >> $$@;
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printf '#endif\n' >> $$@;
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$($(1)-objs): TEST_CFLAGS += -I$$(dir $$($(1)-config-file)) \
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-D__TEST_NAME__=\"$(subst /,_,$(1))\"
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# Give us a way to distinguish between libpayload source files and test files in the code.
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$($(1)-srcobjs): TEST_CFLAGS += -D__TEST_SRCOBJ__
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# Compile sources and apply mocking/wrapping for selected symbols.
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# For each listed mock add new symbol with prefix `__real_`,
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# pointing to the same section:address. This will keep original
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# function accessible if required.
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$($(1)-objs): $(testobj)/$(1)/%.o: $$$$*.c $$($(1)-config-file)
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mkdir -p $$(dir $$@)
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$(HOSTCC) $$(TEST_CFLAGS) $($(1)-cflags) -MMD \
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-MF $$(basename $$@).d -MT $$@ -c $$< -o $$@.orig
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objcopy_wrap_flags=''; \
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for sym in $$($(1)-mocks); do \
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sym_line="$$$$($(HOSTOBJDUMP) -t $$@.orig \
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| grep -E "[0-9a-fA-F]+\\s+w\\s+F\\s+.*\\s+$$$$sym$$$$")"; \
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if [ ! -z "$$$$sym_line" ] ; then \
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addr="$$$$(echo "$$$$sym_line" | awk '{ print $$$$1 }')"; \
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section="$$$$(echo "$$$$sym_line" | awk '{ print $$$$(NF - 2) }')"; \
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objcopy_wrap_flags="$$$$objcopy_wrap_flags --add-symbol __real_$$$${sym}=$$$${section}:0x$$$${addr},function,global"; \
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fi \
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done ; \
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$(HOSTOBJCOPY) $$@.orig $$$$objcopy_wrap_flags $$@
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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-out tests/%,$($(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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$(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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$(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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$(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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KCONFIG_NEGATIVES=$(TEST_KCONFIG_NEGATIVES) \
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KBUILD_KCONFIG=$(TEST_KBUILD_KCONFIG) \
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KBUILD_DEFCONFIG=$(TEST_DEFAULT_CONFIG) \
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CONFIG_=$(TEST_CONFIG_)
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$(TEST_KCONFIG_AUTOHEADER): $(TEST_DOTCONFIG) $(objk)/conf
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mkdir -p $(dir $@)
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$(MAKE) $(TEST_KCONFIG_FLAGS) olddefconfig V=$(V)
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$(MAKE) $(TEST_KCONFIG_FLAGS) syncconfig V=$(V)
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$(TEST_KCONFIG_AUTOCONFIG): $(TEST_KCONFIG_AUTOHEADER)
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true
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.PHONY: $(alltests) $(addprefix clean-,$(alltests)) $(addprefix try-,$(alltests))
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.PHONY: $(addprefix build-,$(alltests)) $(addprefix run-,$(alltests))
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.PHONY: unit-tests build-unit-tests run-unit-tests clean-unit-tests
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.PHONY: junit.xml-unit-tests clean-junit.xml-unit-tests
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ifeq ($(JUNIT_OUTPUT),y)
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$(addprefix run-,$(alltests)): export CMOCKA_MESSAGE_OUTPUT=xml
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$(addprefix run-,$(alltests)): export CMOCKA_XML_FILE=$(testobj)/junit-libpayload-%g.xml
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endif
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$(addprefix run-,$(alltests)): run-%: $$(%-bin)
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rm -f $(testobj)/junit-libpayload-$(subst /,_,$(patsubst $(testobj)/%/,%,$(dir $^)))\(*\).xml
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rm -f $(testobj)/$(subst /,_,$^).failed
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-$^ || echo failed > $(testobj)/$(subst /,_,$^).failed
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$(addprefix build-,$(alltests)): build-%: $$(%-bin)
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$(alltests): run-$$(@)
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$(addprefix try-,$(alltests)): try-%: clean-% $(CMOCKA_LIB) $(TEST_KCONFIG_AUTOCONFIG)
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mkdir -p $(testobj)/$*
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echo "<testcase classname='libpayload_build_unit_test' name='$*'>" >> $(testobj)/$*.tmp; \
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$(MAKE) V=$(V) Q=$(Q) COV=$(COV) JUNIT_OUTPUT=y "build-$*" >> $(testobj)/$*.tmp.2 2>&1 \
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&& type="system-out" || type="failure"; \
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if [ $$type = "failure" ]; then \
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echo "<failure type='buildFailed'>" >> $(testobj)/$*.tmp; \
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else \
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echo "<$$type>" >> $(testobj)/$*.tmp; \
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fi; \
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echo '<![CDATA[' >> $(testobj)/$*.tmp; \
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cat $(testobj)/$*.tmp.2 >> $(testobj)/$*.tmp; \
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echo "]]></$$type>" >> $(testobj)/$*.tmp; \
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rm -f $(testobj)/$*.tmp.2; \
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echo "</testcase>" >> $(testobj)/$*.tmp; \
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if [ $$type != 'failure' ]; then \
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$(MAKE) V=$(V) Q=$(Q) COV=$(COV) JUNIT_OUTPUT=y "run-$*"; \
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fi
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TESTS_BUILD_XML_FILE := $(testobj)/junit-libpayload-tests-build.xml
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$(TESTS_BUILD_XML_FILE): clean-junit.xml-unit-tests $(addprefix try-,$(alltests))
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mkdir -p $(dir $@)
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echo '<?xml version="1.0" encoding="utf-8"?><testsuite>' > $@
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for tst in $(alltests); do \
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cat $(testobj)/$$tst.tmp >> $@; \
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done
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echo "</testsuite>" >> $@
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junit.xml-unit-tests: $(TESTS_BUILD_XML_FILE)
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clean-junit.xml-unit-tests:
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rm -f $(TESTS_BUILD_XML_FILE)
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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. absence of COV=1 will be corrected.
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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 $(coverage-dir) -t "coreboot unit tests" -s $(testobj)/tests.info
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clean-coverage-report:
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rm -Rf $(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 '*** libpayload 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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