xnoe-os/Makefile

45 lines
1.2 KiB
Makefile

CFLAGS = -m32 -mgeneral-regs-only -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie -fno-stack-protector -Wno-pointer-to-int-cast
LDFLAGS =
DISK_IMG_FILES = kernel.bin
KERNEL32_OBJS = screenstuff.o io.o idt.o keyboard.o strings.o atapio.o c_code_entry.o kernel.o
run: disk.img
qemu-system-x86_64 disk.img
disk.img: clean boot.sector boot.stage2 $(DISK_IMG_FILES)
dd if=/dev/zero of=disk.img count=43 bs=100k
dd if=boot.sector of=disk.img conv=notrunc
dd obs=512 seek=1 if=boot.stage2 of=disk.img conv=notrunc
mount disk.img img.d
cp *.bin img.d/
cp hello.txt img.d/
umount img.d
chmod 777 disk.img
clean:
rm $(DISK_IMG_FILES) $(KERNEL32_OBJS) boot.sector disk.img || true
boot.sector: boot.asm
nasm $< -o $@
boot.stage2: boot_stage2.ld boot.stage2.o
ld $(LDFLAGS) -T $< boot.stage2.o
boot.stage2.o: src/boot_stage2/main.c io.o atapio.o strings.o c_code_entry.o screenstuff.o
gcc $(CFLAGS) -o $@ -c $<
%.bin: %.asm
nasm $< -o $@
kernel.bin: kernel.ld $(KERNEL32_OBJS)
ld $(LDFLAGS) -T $< $(KERNEL32_OBJS)
%.o: src/kernel/%.asm
nasm -felf32 $< -o $@
%.o: src/%.asm
nasm -felf32 $< -o $@
%.o: src/kernel/%.c
gcc $(CFLAGS) -o $@ -c $<