1 files changed, 136 insertions, 0 deletions
diff --git a/tests/Makefile.inc b/tests/Makefile.inc
new file mode 100644
index 0000000000..82f724e69a
--- /dev/null
+++ b/tests/Makefile.inc
@@ -0,0 +1,136 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# This file is part of the coreboot project.
+
+testobj = $(obj)/tests
+
+TEST_DEFAULT_CONFIG = $(top)/configs/config.emulation_qemu_x86_i440fx
+TEST_DOTCONFIG = $(testobj)/.config
+TEST_KCONFIG_AUTOHEADER := $(testobj)/config.h
+TEST_KCONFIG_AUTOCONFIG := $(testobj)/auto.conf
+TEST_KCONFIG_DEPENDENCIES := $(testobj)/auto.conf.cmd
+TEST_KCONFIG_SPLITCONFIG := $(testobj)/config
+TEST_KCONFIG_TRISTATE := $(testobj)/tristate.conf
+
+TEST_CFLAGS = -include$(src)/include/kconfig.h \
+	-include$(src)/commonlib/bsd/include/commonlib/bsd/compiler.h \
+	-include $(src)/include/rules.h \
+
+# Include generic test mock headers, before original ones
+TEST_CFLAGS += -Itests/include/mocks
+
+TEST_CFLAGS += -I$(src)/include -I$(src)/commonlib/include \
+	-I$(src)/commonlib/bsd/include -I$(src)/arch/x86/include \
+
+# Path for Kconfig autoheader
+TEST_CFLAGS += -I$(dir $(TEST_KCONFIG_AUTOHEADER))
+
+TEST_CFLAGS += -std=gnu11 -Os -ffunction-sections -fdata-sections \
+	-Wl,--gc-sections -fno-builtin
+
+# Link against Cmocka
+TEST_LDFLAGS = -lcmocka
+
+# Extra attributes for unit tests, declared per test
+attributes:= srcs cflags mocks stage
+
+stages:= decompressor bootblock romstage smm verstage
+stages+= ramstage rmodule postcar libagesa
+
+alltests:=
+subdirs:= tests/arch tests/commonlib tests/console tests/cpu tests/device
+subdirs+= tests/drivers tests/ec tests/lib tests/mainboard
+subdirs+= tests/northbridge tests/security tests/soc tests/southbridge
+subdirs+= tests/superio tests/vendorcode
+
+define tests-handler
+alltests += $(1)$(2)
+$(foreach attribute,$(attributes),
+	$(eval $(1)$(2)-$(attribute) += $($(2)-$(attribute))))
+$(foreach attribute,$(attributes),
+	$(eval $(2)-$(attribute):=))
+
+# Sanity check for stage attribute value
+$(eval $(1)$(2)-stage:=$(if $($(1)$(2)-stage),$($(1)$(2)-stage),ramstage))
+$(if $(findstring $($(1)$(2)-stage), $(stages)),,
+	$(error Wrong $(1)$(2)-stage value $($(1)$(2)-stage). \
+		Check your $(dir $(1)$(2))Makefile.inc))
+endef
+
+$(call add-special-class, tests)
+$(call evaluate_subdirs)
+
+# Create actual targets for unit test binaries
+# $1 - test name
+define TEST_CC_template
+$($(1)-objs): TEST_CFLAGS+= \
+	-D__$$(shell echo $$($(1)-stage) | tr '[:lower:]' '[:upper:]')__
+$($(1)-objs): $(obj)/$(1)/%.o: $$$$*.c $(TEST_KCONFIG_AUTOHEADER)
+	mkdir -p $$(dir $$@)
+	$(HOSTCC) $(HOSTCFLAGS) $$(TEST_CFLAGS) $($(1)-cflags)  -MMD \
+		-MT $$@ -c $$< -o $$@
+
+$($(1)-bin): TEST_LDFLAGS+= $$(foreach mock,$$($(1)-mocks),-Wl,--wrap=$$(mock))
+$($(1)-bin): $($(1)-objs)
+	$(HOSTCC) $$^ $($(1)-cflags) $$(TEST_LDFLAGS) -o $$@
+
+endef
+
+$(foreach test, $(alltests), \
+	$(eval $(test)-objs:=$(addprefix $(obj)/$(test)/, \
+		$(patsubst %.c,%.o,$($(test)-srcs)))))
+$(foreach test, $(alltests), \
+	$(eval $(test)-bin:=$(obj)/$(test)/run))
+$(foreach test, $(alltests), \
+	$(eval $(call TEST_CC_template,$(test))))
+
+$(foreach test, $(alltests), \
+	$(eval all-test-objs+=$($(test)-objs)))
+$(foreach test, $(alltests), \
+	$(eval test-bins+=$($(test)-bin)))
+
+DEPENDENCIES += $(addsuffix .d,$(basename $(all-test-objs)))
+-include $(DEPENDENCIES)
+
+# Kconfig targets
+$(TEST_DOTCONFIG):
+	mkdir -p $(dir $@)
+	cp $(TEST_DEFAULT_CONFIG) $(TEST_DOTCONFIG)
+
+# Don't override default Kconfig variables, since this will affect all
+# Kconfig targets. Change them only when calling sub-make instead.
+$(TEST_KCONFIG_AUTOHEADER): TEST_KCONFIG_FLAGS:= DOTCONFIG=$(TEST_DOTCONFIG) \
+        KCONFIG_AUTOHEADER=$(TEST_KCONFIG_AUTOHEADER) \
+        KCONFIG_AUTOCONFIG=$(TEST_KCONFIG_AUTOCONFIG) \
+        KCONFIG_DEPENDENCIES=$(TEST_KCONFIG_DEPENDENCIES) \
+        KCONFIG_SPLITCONFIG=$(TEST_KCONFIG_SPLITCONFIG) \
+        KCONFIG_TRISTATE=$(TEST_KCONFIG_TRISTATE) \
+        KBUILD_DEFCONFIG=$(TEST_DEFAULT_CONFIG)
+
+$(TEST_KCONFIG_AUTOHEADER): $(TEST_DOTCONFIG) $(objutil)/kconfig/conf
+	mkdir -p $(dir $@)
+	+$(MAKE) $(TEST_KCONFIG_FLAGS) olddefconfig
+	+$(MAKE) $(TEST_KCONFIG_FLAGS) silentoldconfig
+
+$(TEST_KCONFIG_AUTOCONFIG): $(TEST_KCONFIG_AUTOHEADER)
+	true
+
+.PHONY: $(alltests) $(addprefix clean-,$(alltests))
+.PHONY: unit-tests build-unit-tests run-unit-tests clean-unit-tests
+
+$(alltests): $$($$(@)-bin)
+	./$^
+
+unit-tests: build-unit-tests run-unit-tests
+
+build-unit-tests: $(test-bins)
+
+run-unit-tests: $(alltests)
+	echo "**********************"
+	echo "   ALL TESTS PASSED"
+	echo "**********************"
+
+$(addprefix clean-,$(alltests)): clean-%:
+	rm -rf $(obj)/$*
+
+clean-unit-tests:
+	rm -rf $(testobj)