Abstract
For non-embedded software, binary translation has shown to be a successful method for retargeting legacy software onto new platforms. To apply binary translation to embedded software, two issues must be considered. First of all, embedded software often involves real-time constraints that must still be met after translation. Secondly, embedded software contains a significant amount of code dedicated to peripheral device communication which necessitates device emulation. This paper focuses on the last aspect.Usually, device emulation code is handcrafted which is tedious and error-prone. This paper presents a method to automatically generate device emulation code from a formal specification of source and target device operations. At the heart of the device operation semantics lie quantifier-free formulae in the theory of fixed width bit vector arithmetic which is a decidable fragment of first-order logic. To the best of our knowledge, this is the first attempt to generate device emulation code from a formal specification.
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