#
# LUFA Library
-# Copyright (C) Dean Camera, 2013.
+# Copyright (C) Dean Camera, 2015.
#
# dean [at] fourwalledcubicle [dot] com
# www.lufa-lib.org
#
LUFA_BUILD_MODULES += BUILD
-LUFA_BUILD_TARGETS += size symbol-sizes all lib elf hex lss clean mostlyclean
+LUFA_BUILD_TARGETS += size symbol-sizes all lib elf bin hex lss clean mostlyclean
LUFA_BUILD_MANDATORY_VARS += TARGET ARCH MCU SRC F_USB LUFA_PATH
-LUFA_BUILD_OPTIONAL_VARS += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS OBJDIR OBJECT_FILES DEBUG_TYPE DEBUG_LEVEL LINKER_RELAXATIONS
+LUFA_BUILD_OPTIONAL_VARS += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS OBJDIR OBJECT_FILES DEBUG_TYPE DEBUG_LEVEL LINKER_RELAXATIONS COMPILER_PATH
LUFA_BUILD_PROVIDED_VARS +=
LUFA_BUILD_PROVIDED_MACROS +=
# all - Build application and list size
# lib - Build and archive source files into a library
# elf - Build application ELF debug object file
-# hex - Build application HEX object files
+# bin - Build application BIN binary object file
+# hex - Build application HEX object file
# lss - Build application LSS assembly listing file
-# clean - Remove all project intermediatary and binary
+# clean - Remove all project intermediary and binary
# output files
-# mostlyclean - Remove intermediatary output files, but
+# mostlyclean - Remove intermediary output files, but
# preserve binaries
# <filename>.s - Compile C/C++ source file into an assembly file
# for manual code inspection
# generate in the compiled object files
# DEBUG_LEVEL - Level the debugging information to generate in
# the compiled object files
+# COMPILER_PATH - Location of the GCC toolchain to use
#
# PROVIDED VARIABLES:
#
ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
# Default values of optionally user-supplied variables
+COMPILER_PATH ?=
BOARD ?= NONE
OPTIMIZATION ?= s
F_CPU ?=
# Determine the utility prefix to use for the selected architecture
ifeq ($(ARCH), AVR8)
- CROSS := avr
+ CROSS := $(COMPILER_PATH)avr
else ifeq ($(ARCH), XMEGA)
- CROSS := avr
+ CROSS := $(COMPILER_PATH)avr
$(warning The XMEGA device support is currently EXPERIMENTAL (incomplete and/or non-functional), and is included for preview purposes only.)
else ifeq ($(ARCH), UC3)
- CROSS := avr32
+ CROSS := $(COMPILER_PATH)avr32
$(warning The UC3 device support is currently EXPERIMENTAL (incomplete and/or non-functional), and is included for preview purposes only.)
else
$(error Unsupported architecture "$(ARCH)")
ifneq ($(F_CPU),)
BASE_CC_FLAGS += -DF_CPU=$(F_CPU)UL
endif
+ifeq ($(LINKER_RELAXATIONS), Y)
+BASE_CC_FLAGS += -mrelax
+endif
+
+# This flag is required for bootloaders as GCC will emit invalid jump table
+# assembly code for devices with large amounts of flash; the jump table target
+# is extracted from FLASH without using the correct ELPM instruction, resulting
+# in a pseudo-random jump target.
+BASE_CC_FLAGS += -fno-jump-tables
# Additional language specific compiler flags
BASE_C_FLAGS := -x c -O$(OPTIMIZATION) -std=$(C_STANDARD) -Wstrict-prototypes
# Cleans all build files, leaving only the original source code
clean: mostlyclean
@echo $(MSG_REMOVE_CMD) Removing output files of \"$(TARGET)\"
- rm -f $(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).map $(TARGET).lss $(TARGET).sym $(TARGET).a
+ rm -f $(TARGET).elf $(TARGET).hex $(TARGET).bin $(TARGET).eep $(TARGET).map $(TARGET).lss $(TARGET).sym lib$(TARGET).a
# Performs a complete build of the user application and prints size information afterwards
-all: build_begin elf hex lss sym size build_end
+all: build_begin elf hex bin lss sym size build_end
# Helper targets, to build a specific type of output file without having to know the project target name
lib: lib$(TARGET).a
elf: $(TARGET).elf
hex: $(TARGET).hex $(TARGET).eep
+bin: $(TARGET).bin
lss: $(TARGET).lss
sym: $(TARGET).sym
.SECONDARY : %.elf
%.elf: $(OBJECT_FILES)
@echo $(MSG_LINK_CMD) Linking object files into \"$@\"
- $(CROSS)-gcc $(BASE_LD_FLAGS) $(LD_FLAGS) $^ -o $@
+ $(CROSS)-gcc $^ -o $@ $(BASE_LD_FLAGS) $(LD_FLAGS)
# Extracts out the loadable FLASH memory data from the project ELF file, and creates an Intel HEX format file of it
%.hex: %.elf
@echo $(MSG_OBJCPY_CMD) Extracting HEX file data from \"$<\"
$(CROSS)-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
+# Extracts out the loadable FLASH memory data from the project ELF file, and creates an Binary format file of it
+%.bin: %.elf
+ @echo $(MSG_OBJCPY_CMD) Extracting BIN file data from \"$<\"
+ $(CROSS)-objcopy -O binary -R .eeprom -R .fuse -R .lock -R .signature $< $@
+
# Extracts out the loadable EEPROM memory data from the project ELF file, and creates an Intel HEX format file of it
%.eep: %.elf
@echo $(MSG_OBJCPY_CMD) Extracting EEP file data from \"$<\"
- $(CROSS)-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O ihex $< $@ || exit 0
+ $(CROSS)-objcopy -O ihex -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings $< $@ || exit 0
# Creates an assembly listing file from an input project ELF file, containing interleaved assembly and source data
%.lss: %.elf
projects / pub / USBasp.git / blobdiff