Pipelined data processing system capable of stalling and resumin

Details Pipelined data processing system capable of stalling and resumin Pipelined data processing system capable of stalling and resumin

1996-03-18

1996-11-26

Treat, William M.

Boots, shoes, and leggings

3642318, 36494834, G06F 938

Patent

active

055794980

ABSTRACT:
A pipelined data processing system has an instruction set containing a stall instruction, and includes a plurality of stages and a pipeline controller for controlling execution and stall of a pipeline operation. The pipeline controller is configured to put the stages into a "frozen" condition on the basis of a stall signal generated by execution of the stall instruction, and to return the stages from the "frozen" condition to a "run" condition on the basis of an output pulse generated by a timer designated by an operand part of the stall instruction.

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Patterson et al.; "Computer Architecture: A Quantative Approach", 1990 by Morgan Kaufmann Publishers Inc., .sctn.6.4 The Major Hurdle with Pipelining--Pipe-line Hazard; pp. 292-317.

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