rpi4-osdev/part11-breakout-smp/Makefile.gcc

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CFILES = $(wildcard *.c lib/*.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/boot.o: boot/boot.S
$(GCCPATH)/aarch64-none-elf-gcc $(GCCFLAGS) -c boot/boot.S -o boot/boot.o
bin/BCM4345C0.o : bin/BCM4345C0.hcd
$(GCCPATH)/aarch64-none-elf-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
bin/audio.o : bin/audio.bin
$(GCCPATH)/aarch64-none-elf-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
%.o: %.c
$(GCCPATH)/aarch64-none-elf-gcc $(GCCFLAGS) -c $< -o $@
kernel8.img: boot/boot.o $(OFILES) bin/BCM4345C0.o bin/audio.o
$(GCCPATH)/aarch64-none-elf-ld -nostdlib boot/boot.o $(OFILES) bin/BCM4345C0.o bin/audio.o -T boot/link.ld -o kernel8.elf
$(GCCPATH)/aarch64-none-elf-objcopy -O binary kernel8.elf kernel8.img
clean:
/bin/rm kernel8.elf *.o bin/*.o boot/*.o *.img > /dev/null 2> /dev/null || true