57 lines
2.2 KiB
Makefile
57 lines
2.2 KiB
Makefile
#
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# Partition table
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#
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# The partition table is not a real component that gets linked into
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# the project. Instead, it is a standalone project to generate
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# the partition table binary as part of the build process. This
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# binary is then added to the list of files for esptool.py to flash.
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#
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.PHONY: partition_table partition_table-flash partition_table-clean
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# NB: gen_esp32part.py lives in the sdk/bin/ dir not component dir
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GEN_ESP32PART := $(PYTHON) $(COMPONENT_PATH)/gen_esp32part.py -q
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PARTITION_TABLE_OFFSET := 0x8000
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# Path to partition CSV file is relative to project path for custom
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# partition CSV files, but relative to component dir otherwise.$
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PARTITION_TABLE_ROOT := $(call dequote,$(if $(CONFIG_PARTITION_TABLE_CUSTOM),$(PROJECT_PATH),$(COMPONENT_PATH)))
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PARTITION_TABLE_CSV_PATH := $(call dequote,$(abspath $(PARTITION_TABLE_ROOT)/$(subst $(quote),,$(CONFIG_PARTITION_TABLE_FILENAME))))
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PARTITION_TABLE_BIN := $(BUILD_DIR_BASE)/$(notdir $(PARTITION_TABLE_CSV_PATH:.csv=.bin))
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ifdef CONFIG_SECURE_BOOTLOADER_ENABLED
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PARTITION_TABLE_BIN_UNSIGNED := $(PARTITION_TABLE_BIN:.bin=-unsigned.bin)
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# add an extra signing step for secure partition table
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$(PARTITION_TABLE_BIN): $(PARTITION_TABLE_BIN_UNSIGNED)
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$(Q) $(ESPSECUREPY) sign_data --keyfile $(SECURE_BOOT_SIGNING_KEY) -o $@ $<
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else
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# secure bootloader disabled, both files are the same
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PARTITION_TABLE_BIN_UNSIGNED := $(PARTITION_TABLE_BIN)
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endif
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$(PARTITION_TABLE_BIN_UNSIGNED): $(PARTITION_TABLE_CSV_PATH) $(SDKCONFIG_MAKEFILE)
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@echo "Building partitions from $(PARTITION_TABLE_CSV_PATH)..."
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$(GEN_ESP32PART) $< $@
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all_binaries: $(PARTITION_TABLE_BIN)
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PARTITION_TABLE_FLASH_CMD = $(ESPTOOLPY_SERIAL) write_flash $(PARTITION_TABLE_OFFSET) $(PARTITION_TABLE_BIN)
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ESPTOOL_ALL_FLASH_ARGS += $(PARTITION_TABLE_OFFSET) $(PARTITION_TABLE_BIN)
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partition_table: $(PARTITION_TABLE_BIN)
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@echo "Partition table binary generated. Contents:"
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@echo $(SEPARATOR)
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$(GEN_ESP32PART) $<
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@echo $(SEPARATOR)
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@echo "Partition flashing command:"
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@echo "$(PARTITION_TABLE_FLASH_CMD)"
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partition_table-flash: $(PARTITION_TABLE_BIN)
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@echo "Flashing partition table..."
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$(PARTITION_TABLE_FLASH_CMD)
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partition_table-clean:
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rm -f $(PARTITION_TABLE_BIN)
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clean: partition_table-clean
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