rdos/Makefile

79 lines
1.7 KiB
Makefile

PROGRAMS = hello.com
DISTFILES = kernel.bs $(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
.PHONY: default clean qemu-floppy5 qemu-floppy3
default: fd1440.img
# Host utils
utils/%: %.c
mkdir -p utils
$(CC) -o $@ $<
# COM programs
%.com: com/%.asm
$(NASM) $(NASM_ARGS) -o $@ $<
# Bootloaders, first sector on partition
%.bs: boot/%.asm
$(NASM) $(NASM_ARGS) -o $@ $<
kernel.bs: 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 utils/fix-rom
$(NASM) $(NASM_ARGS) -o $@ $< && utils/fix-rom $@
fd%.img: fat1.bs $(DISTFILES)
mformat -C -i $@ -f $* -v "$(LABEL)" -B fat1.bs ::
mcopy -i $@ $(DISTFILES) ::
mattrib -i $@ +s ::kernel.bs
hdimage.img: mbr.bs fd1440.img
cat mbr.bs fd1440.img >$@
clean:
rm -f *.com *.bs *.0 *.lst *.img *.bin *.rom
rm -rf utils
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: hdimage.img $(ROMS)
$(QEMU) $(QEMU_ARGS) -boot c -hda hdimage.img