# vim: set noexpandtab:

all: bootdisk.img Makefile

bootdisk.img: lcfosc.bin grub/menu.lst Makefile
	cp grub/emptybootdisk.img bootdisk.img
	mcopy -D o -i bootdisk.img lcfosc.bin ::
	mcopy -D o -i bootdisk.img grub/menu.lst ::/grub

CRT0 = goto64.o

CFLAGS = -m64 -nostdinc	-nostdlib -nostartfiles -mno-red-zone \
	-fno-builtin -mcmodel=large -Wall -Wextra -Werror

OBJECTS = video.o snprintf.o kernel.o asmcode.o handlers.o keyboard.o \
			klib.o malloc.o task.o mm.o timer.o

lcfosc.bin: $(CRT0) $(OBJECTS) link.ld
	ld -T link.ld -s -o lcfosc.bin $(CRT0) $(OBJECTS)

%.o : %.asm Makefile
	nasm -f elf64 -o $@ $<

%.o : %.c Makefile
	gcc $(CFLAGS) -o $@ -c $<

clean:
	rm $(OBJECTS) $(CRT0) lcfosc.bin