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#
# Copyright (c) 2022, MediaTek Inc. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Get local directory path
define GET_LOCAL_DIR
$(patsubst %/,%,$(dir $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))))
endef
# Clear module source variable
define CLEAR_LOCAL_SRCS
$(eval $(1) :=)
endef
define EXPAND_SUB_MAKEFILE
include $(S)
endef
# Expand sub rules.mk
define INCLUDE_MAKEFILE
$(eval MODULES_SUB_MAKEFILE := $(patsubst %,%/rules.mk,$(1)))
$(foreach S,$(MODULES_SUB_MAKEFILE),$(eval $(EXPAND_SUB_MAKEFILE)))
endef
# Determine option variable is defined or not then define it
define add_defined_option
ifdef $(1)
ifeq ($(findstring $(value $(1)), $(uppercase_table)),)
DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
else
ifeq ($(strip $(value $(1))),y)
DEFINES += -D$(1)$(if $(value $(1)),=1,)
endif
endif
endif
endef
define EXPAND_RULES_MAKEFILE
LOCAL_SRCS-y :=
MODULE :=
SUB_RULES-y :=
include $(S)
endef
# INCLUDE_MODULES macro expand included modules rules.mk
# Arguments:
# $(1) = MODULES variables
define INCLUDE_MODULES
$(eval MODULES_TEMP := $(1))
$(eval MODULES_MAKEFILE := $(patsubst %,%/rules.mk,$(MODULES_TEMP)))
$(foreach S,$(MODULES_MAKEFILE),$(eval $(EXPAND_RULES_MAKEFILE)))
endef
# MAKE_LOCALS expand module source file variable to BL${BL}_SOURCES
# Arguments:
# $(1) = source file
# $(2) = BL stage (1, 2, 2u, 31, 32)
define MAKE_LOCALS
$(eval $(call uppercase,$(2))_SOURCES += $(1))
endef
# MAKE_LINKERFILE change linker script source file name to
# target linker script
# $(1) = linker script source file
# $(2) = BL stage
define MAKE_LINKERFILE
$(eval EXTRA_GENERATED_LINKER_SCRIPT += $(BUILD_PLAT)/$(2)/$(patsubst %.ld.S,%.ld,$(notdir $(1))))
endef
# MAKE_LINKERFILE_ITER call MAKE_LINKERFILE iteratively
# $(1) = linker script source file
# $(2) = BL stage
define MAKE_LINKERFILE_ITER
$(eval $(foreach link_src,$(1),$(call MAKE_LINKERFILE,$(link_src),$(2))))
endef
# MAKE_LD_ITER generate the linker scripts using the C preprocessor iteratively
# $(1) = output linker script
# $(2) = input template
# $(3) = BL stage (1, 2, 2u, 31, 32)
define MAKE_LD_ITER
$(eval index_list=$(shell seq $(words $(1))))
$(eval $(foreach i, $(index_list), \
$(call MAKE_LD,$(word $(i), $(1)), $(word $(i), $(2)),$(3))))
endef
# MAKE_MODULE reference MAKE_OBJS.
# Create module folder under out/bl$(BL)/$(module)
# Arguments:
# $(1) = module name
# $(2) = source file
# $(3) = BL stage
define MAKE_MODULE
$(eval MODULE := $(strip $(1)))
$(eval BUILD_DIR := ${BUILD_PLAT}/${3})
$(eval SOURCES := $(2))
$(eval OBJS_TEMP := $(addprefix $(BUILD_DIR)/$(MODULE)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
$(eval MODULE_OBJS += $(OBJS_TEMP))
# We use sort only to get a list of unique object directory names.
# ordering is not relevant but sort removes duplicates.
$(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS_TEMP} ${LINKERFILE})))
# The $(dir ) function leaves a trailing / on the directory names
# Rip off the / to match directory names with make rule targets.
$(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS)))
$(eval $(foreach objd,${OBJ_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
${3}_dirs: | ${OBJ_DIRS}
$(eval $(call MAKE_OBJS,$(BUILD_DIR)/$(MODULE),$(SOURCES),${3}))
libraries: $(OBJS_TEMP)
endef
# Include MTK configuration files
# MTK makefile variables
ifeq (${COREBOOT},1)
MTK_COMMON_CFG := $(MTK_PLAT)/common/coreboot_config.mk
else
MTK_COMMON_CFG := $(MTK_PLAT)/common/common_config.mk
endif
MTK_PLAT := plat/mediatek
MTK_PLAT_SOC := ${MTK_PLAT}/${MTK_SOC}
MTK_PLAT_CFG := $(MTK_PLAT_SOC)/plat_config.mk
MTK_PROJECT_CFG := $(MTK_PLAT)/project/$(PLAT)/project_config.mk
MTK_OPTIONS := $(MTK_PLAT)/build_helpers/options.mk
MTK_COND_EVAL := $(MTK_PLAT)/build_helpers/conditional_eval_options.mk
# Indicate which BL should be built in command line
ifeq (${NEED_BL32},yes)
MTK_BL := bl32
else
MTK_BL := bl31
endif
# Include common, platform, board level config
include $(MTK_COMMON_CFG)
include $(MTK_PLAT_CFG)
-include $(MTK_PROJECT_CFG)
include $(MTK_COND_EVAL)
include $(MTK_OPTIONS)
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