#CROSS=aarch64-none-elf-
CROSS=aarch64-linux-gnu-
CC=$(CROSS)gcc
LD=$(CROSS)ld
CFLAGS=-Wall -Wextra -ffreestanding -march=armv8-a+crc -mcpu=cortex-a53
LDSCRIPT=rpi3.ld

OBJS=crt0.o uart.o hello.o

all:kernel.bin

kernel.elf: $(OBJS) $(LDSCRIPT)
	$(LD) -o $@ $(OBJS) -T$(LDSCRIPT) -Map kernel.map

kernel.bin: kernel.elf
	$(CROSS)objcopy -O binay -B aarch64 $< $@

clean:
	rm -rf $(OBJS) *.bin *.elf *.map

run: kernel.bin
	qemu-system-aarch64 -machine raspi3b -kernel $<