System bus means for inter-processor communication

Details System bus means for inter-processor communication System bus means for inter-processor communication

G - Physics

06

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354/234

G06F 13/36 (2006.01) G06F 13/37 (2006.01) G06F 13/42 (2006.01) G06F 15/16 (2006.01) G06F 15/17 (2006.01) G06F 15/173 (2006.01)

Patent

CA 1247249

70840-59 ABSTRACT OF THE DISCLOSURE A system bus structure and operation for interprocessor com- munication in an information processing system incorporating a plurality of processing elements, each of which may be capable of independently executing certain information processing or handling operations. The system bus structure comprises an access control bus for conducting a bus access signal indicating the occurrence of an interprocessor communication and a communications bus which includes a first bus for conducting signals indicating that the interprocessor communication is a specific one of a first class of communications or is a member of a second class of communications and second bus for communicating the information content of the communication. The first class of communications includes memory related communications and the information content of a communication of the first class includes a source or destination memory address field and, if the field contains a destination address, a data field containing the information to be communica- ted. The second class of communications includes non-memory rela- ted communications and the information content of a communication of the second class includes a first field indicating the destination element, a second field indicating the type of communication, and a third field containing a message. A85010

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