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首页> 外文期刊>Very Large Scale Integration (VLSI) Systems, IEEE Transactions on >An On-Chip AHB Bus Tracer With Real-Time Compression and Dynamic Multiresolution Supports for SoC
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An On-Chip AHB Bus Tracer With Real-Time Compression and Dynamic Multiresolution Supports for SoC

机译：具有针对SoC的实时压缩和动态多分辨率支持的片上AHB总线跟踪器

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摘要

This paper proposes a multiresolution AHB on-chip bus tracer named SYS-HMRBT (aHb multiresolution bus tracer) for versatile system-on-chip (SoC) debugging and monitoring. The bus tracer is capable of capturing the bus trace with different resolutions, all with efficient built-in compression mechanisms, to meet a diverse range of needs. In addition, it allows users to switch the trace resolution dynamically so that appropriate resolution levels can be applied to different segments of the trace. On the other hand, SYS-HMRBT supports tracing after/before an event triggering, named post-triggering trace/pre-triggering trace, respectively. SYS-HMRBT runs at 500 MHz and costs 42 K gates in TSMC 0.13-$mu$m technology, indicating that it is capable of real time tracing and is very small in modern SoCs. Experiments show that the bus tracer achieves very good compression ratios of 79%–96%, depending on the selected resolution mode. As a case study, it has been integrated into a 3-D graphics SoC to facilitate the debugging and monitoring of the system behaviors. The SoC has been successfully verified both in field-programmable gate array and a test chip.
机译：本文提出了一种名为SYS-HMRBT（aHb多分辨率总线跟踪器）的多分辨率AHB片上总线跟踪器，用于多功能片上系统（SoC）调试和监视。总线跟踪器能够捕获具有不同分辨率的总线跟踪，所有这些跟踪器都具有高效的内置压缩机制，可以满足多种需求。此外，它允许用户动态切换跟踪分辨率，以便可以将适当的分辨率级别应用于跟踪的不同段。另一方面，SYS-HMRBT支持在事件触发之后/之前进行跟踪，分别命名为触发后跟踪/预触发跟踪。 SYS-HMRBT运行于500 MHz，采用TSMC0.13-μm技术的成本为4.2万门，这表明它具有实时跟踪能力，在现代SoC中非常小。实验表明，根据选定的分辨率模式，总线跟踪器可实现79％–96％的非常好的压缩率。作为案例研究，它已集成到3-D图形SoC中，以方便调试和监视系统行为。 SoC已在现场可编程门阵列和测试芯片中得到成功验证。

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