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Diffstat (limited to 'bootloaders/caterina/Makefile')
-rw-r--r-- | bootloaders/caterina/Makefile | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/bootloaders/caterina/Makefile b/bootloaders/caterina/Makefile new file mode 100644 index 0000000..4bb41c8 --- /dev/null +++ b/bootloaders/caterina/Makefile @@ -0,0 +1,105 @@ +############################################################################### +# Makefile for Caterina (formerly DiskLoader) +############################################################################### + +## General Flags +PROJECT = Caterina +TARGET = Caterina.elf +CC = avr-gcc + +# BOARD2 +MCU = atmega32u4 +AVR_FREQ = 16000000L + +# Specify the Arduino model using the assigned PID. This is used by Descriptors.c +# to set PID and product descriptor string + +# Arduino Leonardo bootloader PID +ARDUINO_MODEL_PID = 0x0030 +# Arduino Micro bootloader PID +#ARDUINO_MODEL_PID = 0x0031 + +# Change if your programmer is different +AVRDUDE_PROGRAMMER = avrispmkII +AVRDUDE_PORT = usb + +# program name should not be changed... +PROGRAM = Caterina + +AVRDUDE = avrdude +AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) -p $(MCU) + +## Options common to compile, link and assembly rules +COMMON = -mmcu=$(MCU) + +override CFLAGS = -g -Wall -Os -mmcu=$(MCU) -DF_CPU=$(AVR_FREQ) -DARDUINO_MODEL_PID=$(ARDUINO_MODEL_PID) $(DEFS) -ffunction-sections -gdwarf-2 -fdata-sections -fno-split-wide-types + +## Assembly specific flags +ASMFLAGS = $(COMMON) +ASMFLAGS += $(CFLAGS) +ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 + +## Linker flags +LDFLAGS = $(COMMON) +LDFLAGS += -Wl,-gc-sections,-Map=Caterina.map,--section-start=.text=0x7800,--relax +LDFLAGS += -nodefaultlibs -nostartfiles + +## Intel Hex file production flags +HEX_EEPROM_FLAGS = -j .eeprom +HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" +HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings + +## Objects explicitly added by the user +LINKONLYOBJECTS = + +MODULES := . +SRC_DIR := $(addprefix src/,$(MODULES)) +BUILD_DIR := $(addprefix build/,$(MODULES)) + +SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.cpp)) +OBJ := $(patsubst src/%.cpp,build/%.o,$(SRC)) +DEP := $(OBJ:%.o=%.d) +INCLUDES := $(addprefix -I,$(SRC_DIR)) + +vpath %.cpp $(SRC_DIR) + +.PHONY: all checkdirs clean + +all: checkdirs $(TARGET) Caterina.hex Caterina.lss size + +-include $(DEP) + +checkdirs: $(BUILD_DIR) + +$(BUILD_DIR): + @mkdir -p $@ + +clean: + @rm -rf build/ + @rm -f *.hex + @rm -f *.elf + @rm -f *.lss + @rm -f *.map + +define make-goal +$1/%.o: %.cpp + $(CC) $(INCLUDES) $(CFLAGS) -c $$< -MD -o $$@ +endef + +$(foreach bdir,$(BUILD_DIR),$(eval $(call make-goal,$(bdir)))) + +$(TARGET): $(OBJ) + $(CC) $(LDFLAGS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) $^ -o $@ + +%.hex: $(TARGET) + avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ + +%.lss: $(TARGET) + avr-objdump -h -S $< > $@ + +size: $(TARGET) + @echo +# @avr-size -C --mcu=${MCU} ${TARGET}.elf + +program: $(TARGET).hex + $(AVRDUDE) $(AVRDUDE_FLAGS) -B 1 -u -U flash:w:$(TARGET).hex
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