Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/4254
Título: A comparative analysis of fault injection methods via enhanced on-chip debug infrastructures
Autor: Fidalgo, André Vaz
Alves, Gustavo R.
Gericota, Manuel G.
Ferreira, José M.
Palavras-chave: Dependability
Fault injection
Real-time systems
Data: 2008
Editora: ACM
Relatório da Série N.º: SBCCI'2008
Resumo: On-chip debug (OCD) features are frequently available in modern microprocessors. Their contribution to shorten the time-to-market justifies the industry investment in this area, where a number of competing or complementary proposals are available or under development, e.g. NEXUS, CJTAG, IJTAG. The controllability and observability features provided by OCD infrastructures provide a valuable toolbox that can be used well beyond the debugging arena, improving the return on investment rate by diluting its cost across a wider spectrum of application areas. This paper discusses the use of OCD features for validating fault tolerant architectures, and in particular the efficiency of various fault injection methods provided by enhanced OCD infrastructures. The reference data for our comparative study was captured on a workbench comprising the 32-bit Freescale MPC-565 microprocessor, an iSYSTEM IC3000 debugger (iTracePro version) and the Winidea 2005 debugging package. All enhanced OCD infrastructures were implemented in VHDL and the results were obtained by simulation within the same fault injection environment. The focus of this paper is on the comparative analysis of the experimental results obtained for various OCD configurations and debugging scenarios.
Peer review: yes
URI: http://hdl.handle.net/10400.22/4254
ISBN: 978-1-60558-231-3
Versão do Editor: http://dl.acm.org/citation.cfm?doid=1404371.1404388
Aparece nas colecções:ISEP – CIETI – Comunicações em eventos científicos
ISEP – DEE – Comunicações em eventos científicos

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