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Issue No.01 - January (1994 vol.27)
pp: 48-55
ABSTRACT
<p>Recent advances in the design and synthesis of integrated circuits have prompted system architects to investigate computer aided design methods for systems that contain both application-specific and predesigned reprogrammable components. For the most part, we can apply high level synthesis techniques to synthesis of systems containing processors by treating the latter as a generalized resource. However, the problem is more complex, since the software on the processor implements system functionality in an instruction-driven manner with a statically allocated memory space, whereas ASICs operate as data driven reactive elements. Due to these differences in computational models and primitive operations in hardware and software, a new formulation of the problem of cosynthesis is needed. The authors present their cosynthesis approach. They specify system behavior using HardwareC, a hardware description language (HDL) that has a C-like syntax and supports timing and resource constraints. It also supports specification of unbounded and unknown delay operations that can arise from data-dependent decisions and external synchronization operations. The particular choice of a HDL to specify system functionality is immaterial for the cosynthesis formulation here, and other HDLs such as Verilog could be used.</p>
CITATION
Rajesh K. Gupta, Claudionor N. Coelho, Jr., Giovanni De Micheli, "Program Implementation Schemes for Hardware-Software Systems", Computer, vol.27, no. 1, pp. 48-55, January 1994, doi:10.1109/2.248880
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