rdos/Makefile

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Makefile
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FLOPPY = 360
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PROGRAMS = $(patsubst %.asm,%.com,$(wildcard com/*.asm))
DISTFILES = rdos.bin $(PROGRAMS)
ROMS =
QEMU_ARCH = $(shell uname -m)
QEMU = qemu-system-$(QEMU_ARCH)
QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))
NASM = nasm
NASM_ARGS = -s -Ilib -Plib/nasmcomp.asm -w-macro-params
EMUL = utils/emul
ifdef KVM
QEMU_ARGS += --enable-kvm
endif
ifdef DEBUG
ROMS += rom/debug.rom
NASM_ARGS += -l $(basename $@).lst
endif
ifndef DISPLAY
QEMU_ARGS += --display curses
endif
.PHONY: default clean qemu-rom qemu-floppy
default: fdimage.img
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# Kernel image
rdos.bin: kernel/*.asm lib/*.asm
$(NASM) $(NASM_ARGS) -o $@ -I kernel kernel/main.asm
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# Boot sectors
boot/%.bs: boot/%.asm
$(NASM) $(NASM_ARGS) -DFLOPPY=$(FLOPPY) -o $@ $<
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# BIOS option roms
rom/%.rom: rom/%.asm
$(NASM) $(NASM_ARGS) -o $@ $< && utils/fix-rom.sh $@
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# Regular COM programs
com/%.com: com/%.asm
$(NASM) $(NASM_ARGS) -o $@ $<
fdimage.img: boot/fat.bs $(DISTFILES)
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mformat -C -i $@ -f $(FLOPPY) -B boot/fat.bs ::
mcopy -i $@ $(DISTFILES) ::
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hdimage.img: boot/mbr.bs fdimage.img
cat boot/mbr.bs fdimage.img >$@
clean:
find -name '*.lst' -delete
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rm -f $$(cat .gitignore) boot/*.bs com/*.com rom/*.rom utils/emul
qemu-floppy: fdimage.img $(ROMS)
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$(QEMU) $(QEMU_ARGS) -boot a -fda fdimage.img
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qemu-hdd: hdimage.img $(ROMS)
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$(QEMU) $(QEMU_ARGS) -boot c -hda hdimage.img