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Real-Time Embedded systems must respect a wide range of non-functional properties, including safety, respect of deadlines, power or memory consumption. We note that correct hardware resource dimensioning requires taking into account the impact of the whole software, both the user code and the underlying run time environment. AADL allows one to precisely capture all of them. In this article, we evaluate the AADL modeling to define memory architectures, and then verification rules to assess that the memory is correctly dimensioned. We use the REAL domain-specific language to express memory requirements (such as layout or size) and then validate them on a case-study using the VxWorks real-time kernel.
Date of Conference: 27-29 April 2011