Abstract
The integration of safety-relevant software and software developed to normal quality standards in the same embedded system needs a protection mechanism to ensure that the safety-relevant software cannot be adversely affected by failures in the rest the system. The protection mechanism is usually assumed to be provided by the "system software", which implies that the system software must be developed to the same exacting standards as the safety-relevant software. In the AUTOSAR model that may not be possible in practice. This article explores ways of isolating the safety-relevant software from the bulk of the AUTOSAR system software while retaining the core functionality needed by the system software and the components that run under it.
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References
ISO/DIS 26262 Road vehicles – Functional safety 2009 (draft) International Standards Organization
AUTOSAR Specification of Operating System v3.1.1 2009, http://autosar.org/download/R3.1/AUTOSAR_SWS_OS.pdf
AUTOSAR List of BSW Modules v1.3.0 2009, http://autosar.org/download/R3.1/AUTOSAR_BasicSoftwareModules.pdf
AUTOSAR Specification of RTE v2.3.0 2010, http://autosar.org/download/R3.1/AUTOSAR_SWS_RTE.pdf
AUTOSAR Layered Software Architecture v2.2.2 2008, http://autosar.org/ download/R3.1/AUTOSAR_LayeredSoftwareArchitecture.pdf
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© 2012 Springer-Verlag Berlin Heidelberg
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Haworth, D. (2012). An AUTOSAR-compatible microkernel for systems with safety-relevant components. In: Halang, W. (eds) Herausforderungen durch Echtzeitbetrieb. Informatik aktuell. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24658-6_2
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DOI: https://doi.org/10.1007/978-3-642-24658-6_2
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Online ISBN: 978-3-642-24658-6
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