+LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET)
+
+# Flash size and bootloader section sizes of the target, in KB. These must
+# match the target's total FLASH size and the bootloader size set in the
+# device's fuses.
+FLASH_SIZE_KB := 128
+BOOT_SECTION_SIZE_KB := 8
+
+# Bootloader address calculation formulas
+# Do not modify these macros, but rather modify the dependent values above.
+CALC_ADDRESS_IN_HEX = $(shell printf "0x%X" $$(( $(1) )) )
+BOOT_START_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024 )
+BOOT_SEC_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) * 1024) - ($(strip $(1))) )