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#
# Copyright (c) 2023, STMicroelectronics - All Rights Reserved
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Compilation rules
.PHONY: check_dtc_version stm32image clean_stm32image check_boot_device
.SUFFIXES:
all: check_dtc_version stm32image ${STM32_TF_STM32}
distclean realclean clean: clean_stm32image
bl2: check_boot_device
check_boot_device:
@if [ ${STM32MP_EMMC} != 1 ] && \
[ ${STM32MP_SDMMC} != 1 ] && \
[ ${STM32MP_RAW_NAND} != 1 ] && \
[ ${STM32MP_SPI_NAND} != 1 ] && \
[ ${STM32MP_SPI_NOR} != 1 ] && \
[ ${STM32MP_UART_PROGRAMMER} != 1 ] && \
[ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \
echo "No boot device driver is enabled"; \
false; \
fi
stm32image: ${STM32IMAGE}
${STM32IMAGE}: ${STM32IMAGE_SRC}
${Q}${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH}
clean_stm32image:
${Q}${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean
check_dtc_version:
@if [ ${DTC_VERSION} -lt 10407 ]; then \
echo "dtc version too old (${DTC_V}), you need at least version 1.4.7"; \
false; \
fi
# Create DTB file for BL2
${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} | ${BUILD_PLAT} fdt_dirs
@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
@echo '#include "${BL2_DTSI}"' >> $@
${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts
${BUILD_PLAT}/$(PLAT)-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb $(STM32_BINARY_MAPPING) bl2
@echo " AS $${PLAT}.S"
${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
-DDTB_BIN_PATH=\"$<\" \
-c $(word 2,$^) -o $@
$(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},$(STM32_LD_FILE),bl2))
tf-a-%.elf: $(PLAT)-%.o ${STM32_TF_LINKERFILE}
@echo " LDS $<"
ifneq ($(findstring gcc,$(notdir $(LD))),)
${Q}${LD} -o $@ $(subst --,-Wl$(comma)--,${STM32_TF_ELF_LDFLAGS}) -nostartfiles -Wl,-Map=$(@:.elf=.map) -Wl,-dT ${STM32_TF_LINKERFILE} $<
else
${Q}${LD} -o $@ ${STM32_TF_ELF_LDFLAGS} -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $<
endif
tf-a-%.bin: tf-a-%.elf
${Q}${OC} -O binary $< $@
@echo
@echo "Built $@ successfully"
@echo
tf-a-%.stm32: tf-a-%.bin ${STM32_DEPS}
@echo
@echo "Generate $@"
$(eval LOADADDR = $(shell cat $(@:.stm32=.map) | grep '^RAM' | awk '{print $$2}'))
$(eval ENTRY = $(shell cat $(@:.stm32=.map) | grep "__BL2_IMAGE_START" | awk '{print $$1}'))
${Q}${STM32IMAGE} -s $< -d $@ \
-l $(LOADADDR) -e ${ENTRY} \
-v ${STM32_TF_VERSION} \
-m ${STM32_HEADER_VERSION_MAJOR} \
-n ${STM32_HEADER_VERSION_MINOR} \
-b ${STM32_HEADER_BL2_BINARY_TYPE}
@echo
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