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一种基于近似计时模型的嵌入式CPU仿真器
王盛朋 ; Vania Joloboff ; 邓仰东 ; WANG Sheng-peng ; JOLOBOFF Vania ; DENG Yang-dong
2016-03-30 ; 2016-03-30
关键词近似计时 仿真器 嵌入式系统 处理器 Approximate timing Simulator Embedded system CPU TP391.9
其他题名An Approximate Timing Simulator for Embedded CPUs
中文摘要为了提高开发效率,嵌入式系统软硬件协同开发中,常使用快速的嵌入式系统功能仿真器进行软件开发。同时,嵌入式应用往往有实时性要求,所以模拟器有必要在开发中对软件性能进行评估。然而由于快速的功能仿真器强调"高效实现硬件功能、忽略与功能无关的硬件特性",故无法提供有参考价值的程序性能信息。针对上述问题,提出功能仿真框架,通过提出"采样计时"的方法,实现了一种近似计时的功能仿真器。上述仿真器不仅保持了功能仿真器快速运行的特性,而且能够以较小的误差计算出的程序运行所需的时钟周期。近似计时的仿真器已应用于轨道车辆嵌入式系统的开发中。; It is currently a common practice to simultaneously perform software and hardware design with functional simulators. Meanwhile,the real-time requirements suggest that timing information must be maintained by the simulator. Traditional functional simulators focus on " improving the level of hardware abstraction to gain high simulation speed",and therefor cannot give acceptable timing information. To solve this problem,we improved a leading-edge function simulation framework,SimSoC[1],and proposed a " sampled timing method" to construct an approximately timing simulation model for embedded CPUs in this work. The simulator adopted our techniques hit a balance of simulation speed and accuracy and has been used in a real design process for the embedded system in high-speed trains.
语种中文 ; 中文
内容类型期刊论文
源URL[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/147051]  
专题清华大学
推荐引用方式
GB/T 7714
王盛朋,Vania Joloboff,邓仰东,等. 一种基于近似计时模型的嵌入式CPU仿真器[J],2016, 2016.
APA 王盛朋,Vania Joloboff,邓仰东,WANG Sheng-peng,JOLOBOFF Vania,&DENG Yang-dong.(2016).一种基于近似计时模型的嵌入式CPU仿真器..
MLA 王盛朋,et al."一种基于近似计时模型的嵌入式CPU仿真器".(2016).
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