46 lines
1.5 KiB
Makefile
46 lines
1.5 KiB
Makefile
#
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# Bootloader component
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#
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# The bootloader is not a real component that gets linked into the project.
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# Instead it is an entire standalone project ( in src/) that gets built in
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# the upper projects build directory. This Makefile.projbuild provides the
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# glue to build the bootloader project from the original project. It
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# basically runs Make in the src/ directory but it needs to zero some variables
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# the SDK makefile exports first, to not let them interfere.
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#
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BOOTLOADER_COMPONENT_PATH := $(COMPONENT_PATH)
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EXTRA_CLEAN_TARGETS+=bootloader-clean
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BOOTLOADER_BIN=$(BUILD_DIR_BASE)/bootloader.bin
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.PHONY: bootloader-clean bootloader-flash bootloader
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$(BOOTLOADER_BIN): $(COMPONENT_PATH)/src/sdkconfig
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$(Q) PROJECT_PATH= \
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COMPONENT_LDFLAGS= \
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COMPONENT_INCLUDES= \
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LDFLAGS= \
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CFLAGS= \
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BUILD_DIR_BASE=$(BUILD_DIR_BASE)/bootloader \
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make -C $(BOOTLOADER_COMPONENT_PATH)/src MAKEFLAGS= V=$(V) TARGET_BIN_LAYOUT="$(BOOTLOADER_TARGET_BIN_LAYOUT)"
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bootloader-clean:
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$(Q) PROJECT_PATH= \
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COMPONENT_LDFLAGS= \
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COMPONENT_INCLUDES= \
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LDFLAGS= \
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CFLAGS= \
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BUILD_DIR_BASE=$(BUILD_DIR_BASE)/bootloader \
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make -C $(BOOTLOADER_COMPONENT_PATH)/src clean MAKEFLAGS= V=$(V)
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bootloader: $(BUILD_DIR_BASE)/bootloader.bin
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# synchronise the project level config to the component's
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# config
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$(COMPONENT_PATH)/src/sdkconfig: $(PROJECT_PATH)/sdkconfig
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$(Q) cp $< $@
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# bootloader-flash calls flash in the bootloader dummy project
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bootloader-flash: $(BOOTLOADER_BIN)
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make -C $(BOOTLOADER_COMPONENT_PATH)/src flash MAKEFLAGS= V=$(V) CONFIG_APP_OFFSET=0x1000
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