esp-idf/components/bootloader/subproject/main/component.mk

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Makefile

#
# Main bootloader Makefile.
#
# This is basically the same as a component makefile, but in the case of the bootloader
# we pull in bootloader-specific linker arguments.
#
LINKER_SCRIPTS := \
$(COMPONENT_PATH)/ld/$(IDF_TARGET)/bootloader.ld \
$(COMPONENT_PATH)/ld/$(IDF_TARGET)/bootloader.rom.ld \
$(IDF_PATH)/components/esp_rom/$(IDF_TARGET)/ld/$(IDF_TARGET).rom.ld \
$(IDF_PATH)/components/esp_rom/$(IDF_TARGET)/ld/$(IDF_TARGET).rom.newlib-funcs.ld \
$(IDF_PATH)/components/esp_rom/$(IDF_TARGET)/ld/$(IDF_TARGET).rom.api.ld \
$(IDF_PATH)/components/$(IDF_TARGET)/ld/$(IDF_TARGET).peripherals.ld
# SPI driver patch for ROM is only needed in ESP32
ifdef CONFIG_IDF_TARGET_ESP32
ifndef CONFIG_SPI_FLASH_ROM_DRIVER_PATCH
LINKER_SCRIPTS += $(IDF_PATH)/components/esp_rom/$(IDF_TARGET)/ld/$(IDF_TARGET).rom.spiflash.ld
endif
ifdef CONFIG_ESP32_REV_MIN_3
LINKER_SCRIPTS += $(IDF_PATH)/components/esp_rom/$(IDF_TARGET)/ld/$(IDF_TARGET).rom.eco3.ld
endif
endif
COMPONENT_ADD_LDFLAGS += -L $(COMPONENT_PATH) $(addprefix -T ,$(LINKER_SCRIPTS))
COMPONENT_ADD_LINKER_DEPS := $(LINKER_SCRIPTS)