export CROSS_COMPILE = arm-none-eabi-
export DC_ARM_CFLAGS="-O2"
export DC_ARM_OBJCOPY="$(CROSS_COMPILE)objcopy"
export DC_ARM_CC="$(CROSS_COMPILE)gcc"
export DC_ARM_AS="$(CROSS_COMPILE)as"

all: aica_firmware.bin

aica_firmware.bin: prog.elf
        $(DC_ARM_OBJCOPY) -O binary prog.elf aica_firmware.bin

prog.elf: crt0.o main.o aica.o
        $(DC_ARM_CC) -Wl,-Ttext,0x00000000,-Map,prog.map,-N -nostartfiles -nostdlib -e reset -o prog.elf crt0.o main.o aica.o -lgcc

%.o: %.c
        $(DC_ARM_CC) $(DC_ARM_CFLAGS) -c $< -o $@

%.o: %.s
        $(DC_ARM_AS) $(DC_ARM_AFLAGS) $< -o $@

clean:
        -rm -f *.o *.srec *.elf 1ST_READ.BIN prog.bin *.bck prog.map aica_firmware.bin