71 lines
2.5 KiB
Makefile
71 lines
2.5 KiB
Makefile
#------------------------------------------------------------------
|
|
# Makefile for stand-alone MMC boot strap loader
|
|
#------------------------------------------------------------------
|
|
# Change these defs for the target device
|
|
|
|
MCU_TARGET = atmega1284p # Target device to be used (32K or larger)
|
|
BOOT_ADR = 0x1F000 # Boot loader start address [byte] NOT [word] as in http://eleccelerator.com/fusecalc/fusecalc.php?chip=atmega1284p
|
|
F_CPU = 16000000 # CPU clock frequency [Hz] NOT critical: it just should be higher than the actual Hz
|
|
SD_CS_PORT = PORTB # Data Register of the SD CS pin
|
|
SD_CS_DDR = DDRB # Data Direction Register of the SD CS pin
|
|
SD_CS_BIT = 0 # Bit of the SD CS pin
|
|
USE_LED = 1 # Debug with two (defined in asmfunc.S)
|
|
USE_UART = 0 # Debug on Serial. 0 ... deactivate or divider of http://wormfood.net/avrbaudcalc.php for baud rate!
|
|
#------------------------------------------------------------------
|
|
ifeq ($(strip $(USE_UART)),0)
|
|
CSRC = main.c pff/src/pff.c diskio.c
|
|
else
|
|
CSRC = main.c pff/src/pff.c diskio.c uart/uart.c
|
|
endif
|
|
|
|
TARGET = avr_boot
|
|
ASRC = asmfunc.S
|
|
OPTIMIZE = -Os -mcall-prologues -ffunction-sections -fdata-sections
|
|
DEFS = -DBOOT_ADR=$(BOOT_ADR) -DF_CPU=$(F_CPU) -DUSE_LED=$(USE_LED) -DUSE_UART=$(USE_UART) -DSD_CS_PORT=$(SD_CS_PORT) -DSD_CS_DDR=$(SD_CS_DDR) -DSD_CS_BIT=$(SD_CS_BIT)
|
|
LIBS =
|
|
DEBUG = dwarf-2
|
|
|
|
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs $(DEFS)
|
|
ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
|
|
CFLAGS = -g$(DEBUG) -Wall $(OPTIMIZE) $(ADDED_CFLAGS) -mmcu=$(MCU_TARGET) -std=c99 $(DEFS)
|
|
LDFLAGS = -Wl,-Map,$(TARGET).map -Wl,--gc-sections -Wl,--section-start,.text=$(BOOT_ADR)
|
|
OBJ = $(CSRC:.c=.o) $(ASRC:.S=.o)
|
|
|
|
CC = avr-gcc
|
|
OBJCOPY = avr-objcopy
|
|
OBJDUMP = avr-objdump
|
|
SIZE = avr-size
|
|
|
|
|
|
all: clean $(TARGET).elf lst text bin size
|
|
|
|
$(TARGET).elf: $(OBJ)
|
|
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
|
|
|
|
clean:
|
|
rm -rf *.o $(TARGET).elf *.eps *.bak *.a *.bin
|
|
rm -rf pff/src/*.o uart/*.o
|
|
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
|
|
rm -rf $(TARGET).hex
|
|
|
|
size: $(TARGET).elf
|
|
$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
|
|
|
|
lst: $(TARGET).lst
|
|
%.lst: %.elf
|
|
$(OBJDUMP) -h -S $< > $@
|
|
|
|
%.o : %.S
|
|
$(CC) -c $(ALL_ASFLAGS) $< -o $@
|
|
|
|
text: $(TARGET).hex
|
|
%.hex: %.elf
|
|
$(OBJCOPY) -j .text -j .data -j .fuse -O ihex $< $@
|
|
# --- make bin just to check size :)
|
|
bin: $(TARGET).bin
|
|
%.bin: %.hex
|
|
$(OBJCOPY) -I ihex -O binary $< $@
|
|
|
|
print-% : ; @echo $* = $($*) #test any var with make print-XXX
|
|
|