rpi4-osdev/part3-helloworld/Makefile.gcc

19 lines
644 B
Makefile

CFILES = $(wildcard *.c)
OFILES = $(CFILES:.c=.o)
GCCFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -mstrict-align
GCCPATH = ../../arm-gnu-toolchain-13.2.Rel1-darwin-arm64-aarch64-none-elf/bin
all: clean kernel8.img
boot.o: boot.S
$(GCCPATH)/aarch64-none-elf-gcc $(GCCFLAGS) -c boot.S -o boot.o
%.o: %.c
$(GCCPATH)/aarch64-none-elf-gcc $(GCCFLAGS) -c $< -o $@
kernel8.img: boot.o $(OFILES)
$(GCCPATH)/aarch64-none-elf-ld -nostdlib boot.o $(OFILES) -T link.ld -o kernel8.elf
$(GCCPATH)/aarch64-none-elf-objcopy -O binary kernel8.elf kernel8.img
clean:
/bin/rm kernel8.elf *.o *.img > /dev/null 2> /dev/null || true