PROGRAMS = hello.com KERNEL = @rdos.com DISTFILES = $(KERNEL) $(PROGRAMS) ROMS = QEMU = qemu-system-i386 QEMU_ARGS = $(addprefix --option-rom ,$(ROMS)) VERSION = $(shell git log -1 --format=%cd --date=format:%Y%m%d) PRODUCT = rdos LABEL = $(PRODUCT) $(VERSION) NASM = nasm NASM_ARGS = -s -Ilib -DPRODUCT=$(PRODUCT) -DVERSION=$(VERSION) QEMU_ARGS += $(shell test -w /dev/kvm && echo --enable-kvm) ifdef DEBUG ROMS += dprintf.rom NASM_ARGS += -l $(basename $@).lst -DDEBUG=1 endif ifndef DISPLAY QEMU_ARGS += --display curses endif SYS = host/sys.elf FIXROM = host/fix-rom.elf .PHONY: default clean qemu-floppy5 qemu-floppy3 .PRECIOUS: $(DISTFILES) default: fd1440.img # Host utils host/%.elf: host/%.c $(CC) -o $@ $< # COM programs %.com: com/%.asm $(NASM) $(NASM_ARGS) -o $@ $< # Bootloaders, first sector on partition %.bs: boot/%.asm $(NASM) $(NASM_ARGS) -o $@ $< @rdos.com: kernel/*.asm # Special case: variations of FAT vbr fat1.bs: boot/fat.asm $(NASM) $(NASM_ARGS) -DFAT12 -DCHS -o $@ $< fat4.bs: boot/fat.asm $(NASM) $(NASM_ARGS) -DFAT16 -DCHS -o $@ $< fat6.bs: boot/fat.asm $(NASM) $(NASM_ARGS) -DFAT16 -DCHS -DLARGE -o $@ $< # BIOS option roms %.rom: rom/%.asm $(FIXROM) $(NASM) $(NASM_ARGS) -o $@ $< && $(FIXROM) $@ fd%.img: $(DISTFILES) $(SYS) mformat -C -i $@ -f $* -c 2 -v "$(LABEL)" :: mcopy -i $@ $(DISTFILES) :: $(SYS) $@ $(KERNEL) hdd.img: mbr.bs $(KERNEL) fd1440.img dd if=mbr.bs bs=512 count=1 of=$@ dd if=$(KERNEL) bs=512 seek=1 of=$@ dd if=fd1440.img bs=512 seek=63 of=$@ clean: rm -f *.com *.bs *.0 *.lst *.img *.bin *.rom rm -f host/*.elf qemu-floppy3: fd1440.img $(ROMS) $(QEMU) $(QEMU_ARGS) -boot a -fda fd1440.img qemu-floppy5: fd360.img $(ROMS) $(QEMU) $(QEMU_ARGS) -boot a -fda fd360.img qemu-hdd: hdd.img $(ROMS) $(QEMU) $(QEMU_ARGS) -boot c -hda hdd.img