1# 2# Copyright (c) 2023-2024, STMicroelectronics - All Rights Reserved 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# Compilation rules 8.PHONY: check_dtc_version stm32image clean_stm32image check_boot_device 9.SUFFIXES: 10 11all: check_dtc_version stm32image ${STM32_TF_STM32} 12 13distclean realclean clean: clean_stm32image 14 15bl2: check_boot_device 16 17check_boot_device: 18 $(q)if [ ${STM32MP_EMMC} != 1 ] && \ 19 [ ${STM32MP_SDMMC} != 1 ] && \ 20 [ ${STM32MP_RAW_NAND} != 1 ] && \ 21 [ ${STM32MP_SPI_NAND} != 1 ] && \ 22 [ ${STM32MP_SPI_NOR} != 1 ] && \ 23 [ ${STM32MP_UART_PROGRAMMER} != 1 ] && \ 24 [ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \ 25 echo "No boot device driver is enabled"; \ 26 false; \ 27 fi 28 29stm32image: ${STM32IMAGE} 30 31${STM32IMAGE}: ${STM32IMAGE_SRC} 32 $(q)${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH} 33 34clean_stm32image: 35 $(q)${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean 36 37check_dtc_version: 38 $(q)if [ ${DTC_VERSION} -lt 10407 ]; then \ 39 echo "dtc version too old (${DTC_V}), you need at least version 1.4.7"; \ 40 false; \ 41 fi 42 43# Create DTB file for BL2 44${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} | $$(@D)/ 45 $(q)echo '#include "$(patsubst fdts/%,%,$<)"' > $@ 46 $(q)echo '#include "${BL2_DTSI}"' >> $@ 47 48${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts 49 50${BUILD_PLAT}/$(PLAT)-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb $(STM32_BINARY_MAPPING) bl2 51 $(s)echo " AS $${PLAT}.S" 52 $(q)$($(ARCH)-as) -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) ${ASFLAGS} ${TF_CFLAGS} \ 53 -DDTB_BIN_PATH=\"$<\" \ 54 -c $(word 2,$^) -o $@ 55 56$(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},$(STM32_LD_FILE),bl2)) 57 58tf-a-%.elf: $(PLAT)-%.o ${STM32_TF_LINKERFILE} 59 $(s)echo " LDS $<" 60ifeq ($($(ARCH)-ld-id),gnu-gcc) 61 $(q)$($(ARCH)-ld) -o $@ $(subst --,-Wl$(comma)--,${STM32_TF_ELF_LDFLAGS}) -nostartfiles -no-pie -Wl,-Map=$(@:.elf=.map) -Wl,-dT ${STM32_TF_LINKERFILE} $< 62else 63 $(q)$($(ARCH)-ld) -o $@ ${STM32_TF_ELF_LDFLAGS} -no-pie -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $< 64endif 65 66tf-a-%.bin: tf-a-%.elf 67 $(q)$($(ARCH)-oc) -O binary $< $@ 68 $(s)echo 69 $(s)echo "Built $@ successfully" 70 $(s)echo 71 72tf-a-%.stm32: tf-a-%.bin ${STM32_DEPS} 73 $(s)echo 74 $(s)echo "Generate $@" 75 $(eval LOADADDR = $(shell cat $(@:.stm32=.map) | grep '^RAM' | awk '{print $$2}')) 76 $(eval ENTRY = $(shell cat $(@:.stm32=.map) | grep "__BL2_IMAGE_START" | awk '{print $$1}')) 77 $(q)${STM32IMAGE} -s $< -d $@ \ 78 -l $(LOADADDR) -e ${ENTRY} \ 79 -v ${STM32_TF_VERSION} \ 80 -m ${STM32_HEADER_VERSION_MAJOR} \ 81 -n ${STM32_HEADER_VERSION_MINOR} \ 82 -b ${STM32_HEADER_BL2_BINARY_TYPE} 83 $(s)echo 84