Abstract
Increasing diversity in underlying architectures has urged for more research in design methodology for Real Time Operating Systems . This paper describes a proposal for R.T.O.S. production by quasi-parallel simulation and cross compilation. Two compilers which accept nearly the same language ( Pascal extended with processes and monitors ) are used jointly. Using the first one, one is able to design a system, to debug it and to get some rough indications on its quantitative behaviour. With the second compiler it is possible to obtain an operational system for a given target computer configuration. The project is currently under evaluation at the University of Rennes. Several benefits (reduced production costs, increased software quality, …) are hoped to be drawn from the approach. The tools associated with the methodology are furthermore designed to be highly portable.
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