X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/56e792c95b1a29e61d9204a8f7f305d7f33261f1..30545fdec79763ff3671958d4ba0da76fd16f60d:/Bootloaders/CDC/makefile diff --git a/Bootloaders/CDC/makefile b/Bootloaders/CDC/makefile index 64d792858..cd0315d8c 100644 --- a/Bootloaders/CDC/makefile +++ b/Bootloaders/CDC/makefile @@ -1,6 +1,6 @@ # # LUFA Library -# Copyright (C) Dean Camera, 2012. +# Copyright (C) Dean Camera, 2013. # # dean [at] fourwalledcubicle [dot] com # www.lufa-lib.org @@ -9,19 +9,7 @@ # 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) +# Run "make help" for target help. MCU = at90usb1287 ARCH = AVR8 @@ -31,16 +19,37 @@ F_USB = $(F_CPU) OPTIMIZATION = s TARGET = BootloaderCDC 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. +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 $(1)) ) + +# Bootloader linker section flags for relocating the API table sections to +# known FLASH addresses - these should not normally be user-edited. +BOOT_SECTION_LD_FLAG = -Wl,--section-start=.apitable_$(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