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In this chapter, the mapping of the MESCAL methodology onto the CoWare tool suite is discussed. In order to understand the mapping it is helpful to first understand the key ideas and properties of the tools. First of all, the CoWare tools address both issues of designing and programming a platform: The design of the computational elements as well as their interconnects. The embedded processor designer (LISAT~~~~) allows the user to jointly design the architecture of an ASIP and the software development tools. In LISATek the ASIP is captured by a single model from which the tools (C-compiler, assembler, linker, instruction-set simulator, etc.) and the RTL hardware implementation are generated automatically, thus allowing an iterative design process to evaluate architectural alternatives. The early consideration of C-compiler requirements to the architecture guarantees the successful deployment of the …