# LUFA Project Makefile.
# --------------------------------------
-# Starting byte address of the bootloader, as a byte address - computed via the formula
-# BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
-#
-# Note that the bootloader size and start address given in AVRStudio is in words and not
-# bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC.
-FLASH_SIZE_KB = 128
-BOOT_SECTION_SIZE_KB = 8
-
-# Formulas used to calculate the starting address of the Bootloader section, and the User Application
-# API jump table (for more information on the latter, see the bootloader documentation). These formulas
-# should not need to be altered - modify the FLASH_SIZE_KB and BOOT_SECTION_KB values above instead.
-BOOT_START = 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc)
-BOOT_API_TABLESTART = 0x$(shell echo "obase=16; (($(FLASH_SIZE_KB) * 1024) - 96)" | bc)
-
MCU = at90usb1287
ARCH = AVR8
BOARD = USBKEY
OPTIMIZATION = s
TARGET = BootloaderDFU
SRC = $(TARGET).c Descriptors.c BootloaderAPI.c BootloaderAPITable.S $(LUFA_SRC_USB)
-LUFA_PATH = ../../LUFA/
-CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START)
-LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START) -Wl,--section-start=.apitable=$(BOOT_API_TABLESTART) -Wl,--undefined=BootloaderAPI_JumpTable
+LUFA_PATH = ../../LUFA
+CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START_OFFSET)
+LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS)
+
+# Flash size and bootloader section sizes of the target, in KB. These must
+# match the target's total FLASH size and the bootloader size set in the
+# device's fuses.
+FLASH_SIZE_KB = 128
+BOOT_SECTION_SIZE_KB = 8
+
+# Bootloader address calculation formulas (requires the "bc" unix utility)
+# Do not modify these macros, but rather modify the depedant values above.
+BOOT_START_OFFSET = 0x$(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 $(1)))" | bc)
+
+# Bootloader linker section flags for relocating the API table sections to
+# known FLASH addresses - these should not normally be user-edited.
+BOOT_SECTION_LD_FLAG = -Wl,--section-start=.apitable_$(strip $(1))=$(call BOOT_SEC_OFFSET, $(3)) -Wl,--undefined=BootloaderAPI_$(strip $(2))
+BOOT_API_LD_FLAGS = $(call BOOT_SECTION_LD_FLAG, trampolines, Trampolines, 96)
+BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, jumptable, JumpTable, 32)
+BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, signatures, Signatures, 8)
# Default target
all:
# Include LUFA build script makefiles
-include $(LUFA_PATH)/Build/lufa.core.in
-include $(LUFA_PATH)/Build/lufa.sources.in
-include $(LUFA_PATH)/Build/lufa.build.in
-include $(LUFA_PATH)/Build/lufa.doxygen.in
-include $(LUFA_PATH)/Build/lufa.avrdude.in
+include $(LUFA_PATH)/Build/lufa_core.mk
+include $(LUFA_PATH)/Build/lufa_sources.mk
+include $(LUFA_PATH)/Build/lufa_build.mk
+include $(LUFA_PATH)/Build/lufa_cppcheck.mk
+include $(LUFA_PATH)/Build/lufa_doxygen.mk
+include $(LUFA_PATH)/Build/lufa_avrdude.mk
+include $(LUFA_PATH)/Build/lufa_atprogram.mk