| 摘要 |
PROBLEM TO BE SOLVED: To provide a multiprocessor system whose processing time necessary for exclusive control is short. SOLUTION: The multiprocessor system comprises a plurality of processors, a shared bus connected to the plurality of processors in common, resources connected to the shared bus to be shared by the plurality of processors, and exclusive control mechanisms connected to the plurality of processors in common and having a lock flag indicating lock/unlock to exclusively use the resources. Each of the plurality of processors includes a register interface for special use to be connected to the exclusive control mechanism and is configured so as to access the lock flag by register access for special use via the register interface for special use. COPYRIGHT: (C)2006,JPO&NCIPI
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