rdos/Makefile

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FD_CYLINDERS = 40
FD_HEADS = 2
FD_SECTORS = 9
QEMU_ARCH = $(shell uname -m)
QEMU = qemu-system-$(QEMU_ARCH)
QEMU_ARGS =
ifdef KVM
QEMU_ARGS += --enable-kvm
endif
ifdef DEBUG
QEMU_ARGS += -chardev file,path=debugcon.log,id=seabios
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QEMU_ARGS += -device isa-debugcon,iobase=0x402,chardev=seabios
endif
.PHONY: default clean qemu-rom qemu-floppy
default: kernel.rom
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kernel.rom: kernel/*.asm kernel/*.inc lib/*.inc
nasm -s -o $@ -I lib -I kernel kernel/main.asm && scripts/fix-rom.sh $@
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boot/%.bin: boot/%.asm lib/*.inc
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nasm -s -o $@ -I boot -I lib $<
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fdimage.img: boot/floppy.bin kernel.rom
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dd if=/dev/zero bs=512 count=$$(( $(FD_CYLINDERS) * $(FD_HEADS) * $(FD_SECTORS) )) of=$@
mformat -i $@ -t $(FD_CYLINDERS) -h $(FD_HEADS) -n $(FD_SECTORS) -B boot/floppy.bin ::
mcopy -i $@ kernel.rom ::kernel.rom
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mattrib -i $@ +s ::kernel.rom
clean:
rm -f *.com *.bin *.rom *.img *.log boot/*.bin
qemu-rom: kernel.rom
$(QEMU) $(QEMU_ARGS) -option-rom kernel.rom
qemu-floppy: fdimage.img
$(QEMU) $(QEMU_ARGS) -boot c -hda fdimage.img