The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2009
Filed:
Sep. 16, 2005
Roger C. Mistely, San Jose, CA (US);
Roger C. Mistely, San Jose, CA (US);
Sun Microsystems, Inc., Santa Clara, CA (US);
Abstract
Methods and circuitry for processing a shadow scan instruction in a multi-threaded microprocessing environment include a bit sequence having a thread identifier, core identifiers and a shadow scan instruction. The core identifiers are assigned a state to identify microprocessor cores of a multi-core structure and are processed combinationally to determine if the shadow scan instruction is to be processed through a thread of the identified core. The processing of the shadow scan instruction through the thread of each of the identified cores is accomplished by a single load operation of the shadow scan instruction into the JTAG TAP controller.