Wenderoth, Lind & Ponack, L.L.P.
Multiprocessor control apparatus for controlling a plurality of processors sharing a memory and an internal bus and multiprocessor control method and multiprocessor control circuit for performing the same
An object of the invention is to reduce the electric power consumption resulting from temporarily activating a processor requiring a large electric power consumption, out of a plurality of processors. A multiprocessor system (1) includes: a first processor (141) which executes a first instruction code; a second processor (151) which executes a second instruction code, a hypervisor (130) which converts the second instruction code into an instruction code executable by the first processor (141); and a power control circuit (170) which controls the operation of at least one of the first processor (141) and the second processor (151). When the operation of the second processor (151) is suppressed by the power control circuit (170), the hypervisor (130) converts the second instruction code into the instruction code executable by the first processor (141), and the first processor (141) executes the converted instruction code.
Panasonic Corporation
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Masashige Masahiko
Mizuyama Saito