85 lines
1.9 KiB
Makefile
85 lines
1.9 KiB
Makefile
PROGRAMS = hello.com
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DISTFILES = kernel.bs $(PROGRAMS)
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ROMS =
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QEMU = qemu-system-i386
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QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))
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VERSION = $(shell git log -1 --format=%cd --date=format:%Y%m%d)
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PRODUCT = rdos
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LABEL = $(PRODUCT) $(VERSION)
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NASM = nasm
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NASM_ARGS = -s -Ilib -DPRODUCT=$(PRODUCT) -DVERSION=$(VERSION)
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QEMU_ARGS += $(shell test -w /dev/kvm && echo --enable-kvm)
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ifdef DEBUG
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ROMS += dprintf.rom
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NASM_ARGS += -l $(basename $@).lst
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endif
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ifndef DISPLAY
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QEMU_ARGS += --display curses
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endif
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.PHONY: default bootstrap clean qemu-rom qemu-floppy qemu-pxe
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default: fd1440.img
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# Host utils
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utils/%: %.c
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mkdir -p utils
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$(CC) -o $@ $<
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# COM programs
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%.com: com/%.asm
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$(NASM) $(NASM_ARGS) -o $@ $<
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# Bootloaders, first sector on partition
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%.bs: boot/%.asm
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$(NASM) $(NASM_ARGS) -o $@ $<
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kernel.bs: kernel/*.asm
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# Special case: variations of FAT vbr
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fat1.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT12 -DCHS -o $@ $<
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fat4.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -o $@ $<
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fat6.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -DLARGE -o $@ $<
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# BIOS option roms
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%.rom: rom/%.asm utils/fix-rom
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$(NASM) $(NASM_ARGS) -o $@ $< && utils/fix-rom $@
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fd%.img: fat1.bs $(DISTFILES)
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mformat -C -i $@ -f $* -R 8 -v "$(LABEL)" -B fat1.bs ::
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mcopy -i $@ $(DISTFILES) ::
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mattrib -i $@ +s ::kernel.bs
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hdimage.img: mbr.bs fd1440.img
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cat mbr.bs fd1440.img >$@
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clean:
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rm -f *.com *.bs *.0 *.lst *.img *.bin *.rom
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rm -rf utils
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qemu-floppy: fd1440.img $(ROMS)
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$(QEMU) $(QEMU_ARGS) -boot a -fda fd1440.img
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qemu-hdd: hdimage.img $(ROMS)
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$(QEMU) $(QEMU_ARGS) -boot c -hda hdimage.img
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qemu-pxe: pxeboot.0 $(ROMS)
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$(QEMU) $(QEMU_ARGS) -boot n \
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-option-rom /usr/share/qemu/pxe-rtl8139.rom \
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-device e1000,netdev=mynet0,mac=52:54:00:12:34:56 \
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-netdev user,id=mynet0,net=192.168.76.0/24,dhcpstart=192.168.76.9,tftp=$(CURDIR),bootfile=pxeboot.0
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qemu-rom: kernel.rom
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$(QEMU) $(QEMU_ARGS) --option-rom kernel.rom
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