Makefile

ASM = nasm
CC = i386-elf-gcc
LD = i386-elf-ld
OC = i386-elf-objcopy
BOOTSTRAP_FILE = bootstrap.asm
SIMPLE_KERNEL = simple_kernel.asm
INIT_KERNEL_FILES = starter.asm
KERNEL_FILES = main.c
KERNEL_FLAGS = -Wall -m32 -c -ffreestanding -fno-asynchronous-unwind-tables -fno-pie
KERNEL_OBJECT = -o kernel.elf

build: $(BOOTSTRAP_FILE) $(KERNEL_FILE)
	$(ASM) -f bin $(BOOTSTRAP_FILE) -o bootstrap.o
	$(ASM) -f elf32 $(INIT_KERNEL_FILES) -o starter.o
	$(CC) $(KERNEL_FLAGS) $(KERNEL_FILES) $(KERNEL_OBJECT)
	$(CC) $(KERNEL_FLAGS) screen.c -o screen.elf
	$(CC) $(KERNEL_FLAGS) process.c -o process.elf
	$(CC) $(KERNEL_FLAGS) scheduler.c -o scheduler.elf
	$(CC) $(KERNEL_FLAGS) heap.c -o heap.elf
	$(CC) $(KERNEL_FLAGS) paging.c -o paging.elf
	$(CC) $(KERNEL_FLAGS) ata.c -o ata.elf
	$(CC) $(KERNEL_FLAGS) str.c -o str.elf
	$(CC) $(KERNEL_FLAGS) fs.c -o fs.elf
	$(LD) -melf_i386 -Tlinker.ld starter.o kernel.elf screen.elf process.elf scheduler.elf heap.elf paging.elf ata.elf str.elf fs.elf -o 539kernel.elf
	$(OC) -O binary 539kernel.elf 539kernel.bin
	dd if=bootstrap.o of=kernel.img
	dd seek=1 conv=sync if=539kernel.bin of=kernel.img bs=512 count=20
	dd seek=21 conv=sync if=/dev/zero of=kernel.img bs=512 count=2046
	#bochs -f bochs
	qemu-system-x86_64 -s kernel.img

clean:
	rm -f *.o
	rm -f *.elf
	rm -f *.img
	rm -f *.bin