A Central Processing Unit (CPU) hotpatch circuit compares the run-time instruction stream against an internal cache. The internal cache stores embedded memory addresses with associated control flags, executable instruction codes, and tag information. In the event that a comparison against the current...http://www.google.com/patents/US6691308?utm_source=gb-gplus-sharePatent US6691308 - Method and apparatus for changing microcode to be executed in a processor
