OpenSPARC,ML410,RISC,流水线,可穿戴计算系统的SOC模型探讨与设计
可穿戴计算系统的SOC模型探讨与设计
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可穿戴计算系统的SOC模型探讨与设计

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    可穿戴计算机是一种用户可以解放双手的移动计算系统,具有可穿戴性、移动性、持续性和人机交互性等特性。目前国内外已经将很多研究成果应用于工业、军事和航天等领域。但是当今的可穿戴计算机系统主要还是基于电路板的板上系统,而随着微电子技术的发展以及片上系统的出现,传统的板上可穿戴计算机系统向片上可穿戴计算机系统发展是当前的发展趋势。在这样的背景下, 863项目“专用可穿戴网络终端体系结构及关键技术研究”提出了要进行可穿戴计算机系统的片上系统模型研究。之所以只是进行可穿戴计算机片上系统模型的研究,是因为考虑到这是一种探索性的研究,而且考虑到进行整个片上系统的研究需要面临以下的困难:其一,是处理器领域的技术垄断和封锁;其二,由于各种****制约模块的技术也是保密的,对个人来说重新设计模块在短期内也几乎是不可能完成的。其三,需要计算机、微电子和集成电路设计相关领域的知识。所以本文研究的目标是提出一种可穿戴计算机系统的模型,并对其进行验证。进行这项研究可以为将来的片上可穿戴计算系统的研究进行相应的技术储备和铺垫,从模型原理上行得通。使将来硬件实体化的片上可穿戴计算机系统能够比传统的板上可穿戴计算机系统体积更小,功耗更低,具有更好的可穿戴性和移动性。本文首先从现有的几款平台入手,分别搭建了计算机系统原型,并移植操作系统,通过这个过程发现现有平台不能满足要求,所以需要从底层重新进行系统设计。根据计算机系统的经典组成部分划分,首先进行对其核心部分即处理器设计,采用精简指令集架构,设计32位的处理器。处理器设计首先根据基本功能确定指令集,按寄存器将指令分类,并对指令进行编码,然后根据编码设计出数据通路,由数据通路的制约信号组合来完成制约器的设计,最终完成整个处理器的设计,并通过测试平台来验证设计的正确性。在此基础上设计出以处理器为核心的计算机系统的模型,通过测试平台验证此模型可以正常工作。

    【Abstract】WwW.zIdiR.coM Wearable computer is a handfree mobile computing systems,which have such characterizations as wearablity,mobility,sustainability and human-computer close interaction and so on. Many research results have been used in the industrial,military and aerospace and other fields at home and abroad now.The wearable computer systems are all based on system-on-board technology now,and with the development of semiconductor technologys and the emergence of system-on-chip technologys,wearable computer based on system-on-chip technoglogys is the current development trend.In this paper,a wearable computer system model based on system-on-chip technology is need to be done by the 863 Project "wearable network dedicated terminal architecture and key technology research". The reason why only the wearable computer system-on-chip model is taking into account is that the research is a kind of exploratory research, and also taking into account the entire system-on-chip to carry out the research needs to face the following difficulties: First, the area of processor technology is monopolies and blockade; Second, the technology of most control modules is also unreleased and for the re-design of individual modules in limited time is almost impossible.Third,the knowledge about computers, microelectronics and IC design are needed. Therefore, the objective of this paper is to develop a wearable computer system model and its verification. The study can be used for the future of wearable computing chip system corresponding technical reserves and pave the way. The wearable computer system made by SOC is **aller and lower power consumption, better wearable and mobile than the traditional SoB wearable computer system.The paper starts from several existing platforms, namely to build a prototype computer system and booting the operating systems, but found all of them can not meet the requirements, so it is necessary to re-design from the bottom of system. According to the classic computer system components, the core is the processor that is designed to streamline the instruction set architecture, the design of 32-bit processor. Processor design in accordance with the basic functions of the first instruction sets to determine, according to the instruction register classification and coding instructions, and then designed based on coding datapath, datapath from the control signal combinations to complete the controller design, and ultimately complete the processor design, and passing a test platform to verify the correctness of the design. On this basis in order to design a processor of the computer systems at the core of the model, to pass the test platform to verify that this model can work properly.

    【关键词】 OpenSPARC; ML410; RISC; 流水线;
    【Key words】 OpenSPARC; ML410; RISC; Pipeline;
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