LEGEND: a language for generic component library description

Proceedings. 1990 International Conference on Computer Languages Pub Date : 1990-03-12 DOI:10.1109/ICCL.1990.63775

N. Dutt

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引用次数: 5

Abstract

LEGEND is a novel generator-generator language for the definition, generation, and maintenance of generic component libraries used in high-level hardware synthesis. Each LEGEND description generates a library generator GENUS, which is organized as a hierarchy of generic component generators, templates, and instances. High-level synthesis systems typically transform the abstract behavior of a design into an interconnection of generic component instances derived from a library such as GENUS. Although existing hardware description languages (such as VHDL) can effectively describe particular component libraries, they lack the capability of generating these component libraries from a high-level description. LEGEND complements a language such as VHDL by providing a component library generator-generator with behavioral models for simulation and subsequent synthesis. LEGEND generated components have realistic register transfer semantics, including clocking, asynchrony, and data bidirectionality. LEGEND's simple and extensible syntax allows users to add and modify component types easily. LEGEND is currently implemented on SUN3s under C/UNIX.<>

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用于通用组件库描述的语言

LEGEND是一种新的生成器-生成器语言，用于定义、生成和维护高级硬件合成中使用的通用组件库。每个LEGEND描述生成一个库生成器GENUS，它被组织为通用组件生成器、模板和实例的层次结构。高级综合系统通常将设计的抽象行为转换为派生自类库(如GENUS)的通用组件实例的互连。尽管现有的硬件描述语言(如VHDL)可以有效地描述特定的组件库，但它们缺乏从高级描述生成这些组件库的能力。LEGEND通过为仿真和随后的合成提供具有行为模型的组件库generator-generator来补充诸如VHDL之类的语言。LEGEND生成的组件具有实际的寄存器传输语义，包括时钟、异步和数据双向性。LEGEND的简单和可扩展语法允许用户轻松地添加和修改组件类型。LEGEND目前在C/UNIX下的sun3上实现。

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Proceedings. 1990 International Conference on Computer Languages

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