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基于超長(zhǎng)指令字的ASIP設(shè)計(jì)與實(shí)現(xiàn)

發(fā)布時(shí)間:2018-06-26 12:19

  本文選題:專用指令集處理器 + 超長(zhǎng)指令字 ; 參考:《西安電子科技大學(xué)》2013年碩士論文


【摘要】:在數(shù)字信號(hào)處理的應(yīng)用中,采用傳統(tǒng)的通用處理器(GPP, General PurposeProcessor)或者專用集成電路(ASIC,Application Specific Integrated Circuit)難以同時(shí)兼顧靈活性和高效性方面的要求。專用指令集微處理器(ASIP, Application SpecificInstruction set Processor)結(jié)合了GPP的可編程特性和ASIC的高速性,逐漸成為在硬件實(shí)現(xiàn)時(shí)一個(gè)新型的研究領(lǐng)域。 在處理器結(jié)構(gòu)中,超長(zhǎng)指令字(VLIW,Very Long Instruction Word)結(jié)構(gòu)即具有支持較高的指令級(jí)并行性的能力,又能夠用較為簡(jiǎn)單的控制邏輯實(shí)現(xiàn),在數(shù)字信號(hào)處理領(lǐng)域得到了飛速的發(fā)展。本文設(shè)計(jì)了基于超長(zhǎng)指令字的ASIP,包括硬件功能的設(shè)計(jì)和軟件功能的設(shè)計(jì): 硬件方面,設(shè)計(jì)并實(shí)現(xiàn)了一個(gè)基于超長(zhǎng)指令字的ASIP,并且闡述了基于超長(zhǎng)指令字VLIW的ASIP指令集和各個(gè)處理單元的結(jié)構(gòu)設(shè)計(jì);設(shè)計(jì)了處理器的流水線結(jié)構(gòu),使用相關(guān)技術(shù)解決了流水線中的數(shù)據(jù)相關(guān)和控制相關(guān)等問(wèn)題,提高了處理器的工作頻率。 軟件方面,設(shè)計(jì)并實(shí)現(xiàn)了對(duì)應(yīng)匯編器的,闡述了匯編器的設(shè)計(jì)方法和流程,并且在匯編器中添加了寄存器重命名和指令調(diào)度技術(shù),,成功地提高了指令級(jí)并行性。
[Abstract]:In the application of digital signal processing (DSP), it is difficult to meet the requirements of flexibility and efficiency by using traditional GPP (General Purpose-Processor) or ASIC (ASIC Application specific Integrated Circuit). ASIP (Application specific instruction set processor), which combines the programmable characteristics of Application and the high speed of ASIC, has gradually become a new research field in hardware implementation. In the processor architecture, VLIWN very long instruction word (VLIW) architecture has the ability to support high instruction level parallelism, and can be implemented with simple control logic. It has been developed rapidly in the field of digital signal processing. This paper designs ASIP based on super-long instruction word, including hardware function design and software function design: hardware aspect, A very long instruction word based ASIP is designed and implemented, and the architecture design of ASIP instruction set and each processing unit based on VLIW is described, and the pipelined architecture of the processor is designed. The correlation technology is used to solve the problems of data correlation and control correlation in the pipeline, and the working frequency of the processor is improved. In the aspect of software, the corresponding assembler is designed and implemented. The design method and flow of assembler are described, and register renaming and instruction scheduling techniques are added to assembler, which improves the parallelism of instruction level successfully.
【學(xué)位授予單位】:西安電子科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:TP332

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