20 lines
845 B
Makefile
20 lines
845 B
Makefile
SHELL:=/bin/bash
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ifeq ($(CONFIG_LUA_EMBED_LFS),y)
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COMPONENT_OBJS := $(COMPONENT_BUILD_DIR)/luac_out.o
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COMPONENT_EXTRA_CLEAN := $(COMPONENT_OBJS) $(COMPONENT_BUILD_DIR)/luac_out.o.bin
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COMPONENT_ADD_LINKER_DEPS := $(COMPONENT_BUILD_DIR)/luac_out.o
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EMBEDDED_LFS_DATA:= $(BUILD_DIR_BASE)/luac.out
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$(COMPONENT_BUILD_DIR)/luac_out.o: $(EMBEDDED_LFS_DATA)
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echo "embedding luac.out into object file $@..."
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dd if=/dev/zero bs=1 count=$$(( $(CONFIG_LUA_EMBEDDED_FLASH_STORE) )) of="$@.bin" status=none
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dd if="$(EMBEDDED_LFS_DATA)" conv=notrunc of="$@.bin" status=none
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cd $(dir $@) && $(OBJCOPY) --input-target binary --output-target elf32-xtensa-le --binary-architecture xtensa --rename-section .data=.lfs.reserved --redefine-sym _binary_luac_out_o_bin_start=lua_flash_store_reserved "$(notdir $@.bin)" "$@"
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$(EMBEDDED_LFS_DATA):
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touch $@
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endif
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