1TARGET_ARCH=loongarch64 2TARGET_BASE_ARCH=loongarch 3TARGET_KVM_HAVE_GUEST_DEBUG=y 4TARGET_SUPPORTS_MTTCG=y 5TARGET_XML_FILES= gdb-xml/loongarch-base32.xml gdb-xml/loongarch-base64.xml gdb-xml/loongarch-fpu.xml 6# all boards require libfdt 7TARGET_NEED_FDT=y 8