2002-07-16  Dave Brolley  <brolley@redhat.com>

	* cache.h (cache): Add flush_and_invalidate_set_pin and
	flush_and_invalidate_pin.
	* cache.cxx (cache_component): Initialize flush_and_invalidate_set_pin
	and flush_and_invalidate_pin. Add flush-and-invalidate and
	flush-and-invalidate-set pins.
	(flush_set): Don't flush an invalid line.
	(flush_and_invalidate_set): New method.
	(flush_and_invalidate_line): New method.
	* hw-cache.xml, hw-cache.txt: Modified accordingly.