Patent · US Expired

Methods and apparatus for executing extended custom instructions

US8006074B1 · kind B1 · utility

13Cited by
4References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 24, 2003
Grant dateAug 23, 2011
Priority date
Expiry dateJul 25, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/3877
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Methods and apparatus are provided for efficiently executing extended custom instructions 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.