DEVICE AND METHOD FOR DIRECT ACCESS TO CACHE MEMORY

• Main Authors: JASON ALAN COX, OMER HEYMANN, KEVIN CHEE KAN LIN, ERIC FRANCIS ROBINSON, NADAV LEVISON
• Format: Patent
• Language: English
• Published: 05.07.2012
• Subjects: CALCULATING; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PHYSICS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

PROBLEM TO BE SOLVED: To provide a device and a method for direct access to a cache memory.SOLUTION: The method includes: receiving an area-range-zero command in which area-range-zero operation executed on a cache memory 181 is executed by a direct access manager 197 coupled to a cache controller 110; generating a direct-memory-access-area-range-zero command in response to the reception of the area-range-zero command, the direct-memory-access-area-range-zero command having an operation code and identification of an address of the cache memory where the operation is carried out; transmitting the direct-memory-access-area-range-zero command to the cache controller 110; and executing direct-memory-access-area-range-zero operation corresponding to the operation code and identification of a physical address of the cache memory 181 by the cache controller 110.