ISDL: an instruction set description language for retargetability
DAC '97 Proceedings of the 34th annual Design Automation Conference
Generation of software tools from processor descriptions for hardware/software codesign
DAC '97 Proceedings of the 34th annual Design Automation Conference
EXPRESSION: a language for architecture exploration through compiler/simulator retargetability
DATE '99 Proceedings of the conference on Design, automation and test in Europe
Describing instruction set processors using nML
EDTC '95 Proceedings of the 1995 European conference on Design and Test
Specific optimization features in a C compiler for DSPs
Programming and Computing Software
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Cross toolkits (assembler, linker, debugger, simulator, profiler) play a key role in the development cycle of embedded systems. Early creation of cross toolkits and possibility to quickly adapt them allows using them as early as at the hardware/software codesign stage, which shortens time-to-market and becomes an important success factor for the entire project. Challenging issues for cross toolkits development is efficiency of simulation and ability to adapt to CPU instruction set ongoing changes at the design phase. Developing cross toolkits in C/C++ produces highly efficient tools but requires extensive rework to keep up with instruction set changes. Approaches based on automatic toolkit generation from some top level specifications in Architecture Description Languages (ADLs) are less sensitive to this problem but they produce inefficient tools, especially simulators. This paper introduces a new approach to cross toolkit development that combines the flexibility of ADL and efficiency of C/C++ based approaches. This approach was implemented in the MetaDSP framework, which was successfully applied in several industrial projects.