Patent
1997-04-04
1999-02-02
Treat, William M.
G06F 15177
Patent
active
058676589
ABSTRACT:
One aspect of the invention relates to a method useful in a multiprocessor system for operating a processor. In one version of the invention, the method includes the steps of storing halt signature data in a register on the processor, the halt signature data being representative of whether the processor is in a halt state, storing start address data in memory which is accessible by the processor, executing an interruptible spin loop with the processor, and comparing the halt signature data with a predetermined halt signature to determine whether the processor is in a halt state when an interrupt is received and reading the start address data from memory to determine whether there is a request to start if the processor is in a halt state.
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International Business Machines - Corporation
Treat William M.
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