qrouter [-c < config_name>] [options] < basename>
where <basename> is without an extension.
File <basename>.def is assumed to exist
and to define cell placement and netlist
information. File <config_name> is
assumed to exist and contains basic
routing parameters, or points to a LEF
file containing detailed routing parameters.
If this option is not specified, then the
default configuration file name of "route.cfg"
is used.
如何编写指向现有文件的 .cfg 文件？