Localization of Damaged Resources in NoC Based Shared-Memory MP2SOC, using a Distributed Cooperative Configuration Infrastructure

Abstract : In this paper, we present a software approach for localization of faulty components in a 2D-mesh Network-on-Chip, targeting fault tolerance in a shared memory MP2SoC architecture. We use a pre-existing and distributed hardware infrastructure supporting self-test and de-activation of the faulty components (routers and communication channels), that are transformed into ''black hole''. We detail the software method used to localize these ''black holes'', and centralize the information in a single point, where a modified global routing function can be defined. This embedded software makes an extensive use of a distributed fault-tolerant configuration firmware assisted by a Distributed Cooperative Configuration Infrastructure (DCCI), that is also presented. Finally, ''black hole'' detection and localization coverage is evaluated.
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Submitted on : Tuesday, May 10, 2011 - 4:04:33 PM
Last modification on : Thursday, March 21, 2019 - 12:59:27 PM
Long-term archiving on : Thursday, August 11, 2011 - 2:26:36 AM

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  • HAL Id : hal-00591807, version 1

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Zhen Zhang, Dimitri Refauvelet, Alain Greiner, Mounir Benabdenbi, François Pécheux. Localization of Damaged Resources in NoC Based Shared-Memory MP2SOC, using a Distributed Cooperative Configuration Infrastructure. The 29th IEEE VLSI Test Symposium (VTS), May 2011, Dana Point, California, United States. ⟨hal-00591807⟩

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