+LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET)
+
+# Flash size and bootloader section sizes of the target, in KB. These must
+# match the target's total FLASH size and the bootloader size set in the
+# device's fuses.
+FLASH_SIZE_KB := 128
+BOOT_SECTION_SIZE_KB := 8
+
+# Bootloader address calculation formulas (requires the "bc" unix utility)
+# Do not modify these macros, but rather modify the depedant values above.
+BOOT_START_OFFSET = 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc)
+BOOT_SEC_OFFSET = 0x$(shell echo "obase=16; (($(FLASH_SIZE_KB) * 1024) - $(strip $(1)))" | bc)