Extended custom instructions

Details Extended custom instructions Extended custom instructions

2006-09-26

2006-09-26

Le, Don (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

C708S490000

Reexamination Certificate

active

07112991

ABSTRACT:
Methods and apparatus are provided for efficiently implementing a customizable processor core on a programmable chip. Components of a processor core such as arithmetic logic units, program sequencer units, and address generation units are integrated with customizable logic blocks. Various customizable logic blocks can be invoked in a pipelined manner using an available customized instruction set while allowing a processor to continue simultaneous operation. Program counter snooping is also provided to add custom instruction functionality to a processor with no additional provisions for adding custom instructions.

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Nios®, “Nios Custom Instructions, Tutorial” by Altera Corporation Doc. Version 1, Jun. 2002, 38 pages.

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