Modularise makefiles

mk/disk.mk

@@ -0,0 +1,18 @@
+build/harddrive.bin: $(KBUILD)/kernel bootloader/$(ARCH)/** build/filesystem.bin
+	nasm -f bin -o $@ -D ARCH_$(ARCH) -ibootloader/$(ARCH)/ bootloader/$(ARCH)/harddrive.asm
+
+build/livedisk.bin: $(KBUILD)/kernel_live bootloader/$(ARCH)/**
+	nasm -f bin -o $@ -D ARCH_$(ARCH) -ibootloader/$(ARCH)/ bootloader/$(ARCH)/livedisk.asm
+
+build/%.bin.gz: build/%.bin
+	gzip -k -f $<
+
+build/livedisk.iso: build/livedisk.bin.gz
+	rm -rf build/iso/
+	mkdir -p build/iso/
+	cp -RL isolinux build/iso/
+	cp $< build/iso/livedisk.gz
+	genisoimage -o $@ -b isolinux/isolinux.bin -c isolinux/boot.cat \
+					-no-emul-boot -boot-load-size 4 -boot-info-table \
+					build/iso/
+	isohybrid $@