A graphical hardware design language

Authors:
Paul J. Drongowski;Jwahar R. Bami;Ranganathan Ramaswamy;Sundar Iyengar;Tsu-Hua Wang
Affiliations:
Computer Engineering and Science, Case Western Reserve University, Cleveland, Ohio;Computer Engineering and Science, Case Western Reserve University, Cleveland, Ohio;Computer Engineering and Science, Case Western Reserve University, Cleveland, Ohio;Computer Engineering and Science, Case Western Reserve University, Cleveland, Ohio;Computer Engineering and Science, Case Western Reserve University, Cleveland, Ohio
Venue:
DAC '88 Proceedings of the 25th ACM/IEEE Design Automation Conference
Year:
1988

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Abstract

Gdl is a graphical hardware design language that separates design decisions into three interrelated, but distinct domains: behavioral, structural and physical. Specific language features are provided to represent a design in each of these domains. This report describes the process model for Gdl. Functional behavior is separated into distinct activities called “processes” (autonomous control centers.) The computations performed by a process are specified in its behavior graph. Processes may communicate with each other through ports where the channel between two ports may be an abstract logical link or may be a physical bus. Provisions are made for synchronization. The paper concludes with an evaluation of Gdl and suggestions for future research.