Design of Sequential Processing Co-processor Based on OR1200

JIN Peng; YANG Gang; HU Yao

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Design of Sequential Processing Co-processor Based on OR1200

更新时间：2026-09-04

- Design of Sequential Processing Co-processor Based on OR1200
- Vol. 31, Issue 10, Pages: 39-42(2014)
- 作者机构：
  
  北京遥感设备研究所机构,北京,100854
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014
- 稿件说明：
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金鹏, 杨刚, 胡耀. 基于OR1200的批处理协处理器设计[J]. 微电子学与计算机, 2014, 31(10): 39-42.

JIN Peng, YANG Gang, HU Yao. Design of Sequential Processing Co-processor Based on OR1200[J]. 2014, 31(10): 39-42.
金鹏, 杨刚, 胡耀. 基于OR1200的批处理协处理器设计[J]. 微电子学与计算机, 2014, 31(10): 39-42. DOI：

JIN Peng, YANG Gang, HU Yao. Design of Sequential Processing Co-processor Based on OR1200[J]. 2014, 31(10): 39-42. DOI：

摘要

基于开源OpenRISC软核处理器OR1200

以其自主设计的指令集作为基础.通过增改处理器内核内部设计

设定了一个新建指令l.cp.OR1200通过指令l.cp完成对协处理器的调用

将操作数和执行码发送至协处理器

暂停CPU的指令流水线.协处理器自行完成对向量数据的批处理后

停止对总线的占用

并使OR1200的处理器内核恢复正常的指令处理流程.协处理器设定的功能为完成单边选大恒虚警检测算法.仿真结果验证了设计的正确性.

Abstract

This design is based on the open source soft-core processor OR1200 with its unique instruction set.With the modification to the interior core module of the CPU

a new instruction is built as l.cp.Through calling the instruction

CPU triggers a co-processor

meanwhile sends data and op-code to it.By the same time

CPU suspends its own instruction pipeline.After finishing sequential data processing

the co-processor stops the BUS occupation

which resumes the suspended pipeline.The co-processor realizes GO-CFAR algorithm.And the corresponding simulation result verified the design.

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