The capability of performing architectural exploration has become essential for embedded microprocessor design in System-On-Chip. While many retargetable instruction set (ISA) simulators have been reported, the more relevant microarchitecture simulators, which are capable of modeling the detailed machine features such as cache organization, branch prediction and out-of-order scheduler, have not been equipped with retargetability. In this paper, we propose a new methodology that can generate completed microarchitecture simulators from the abstract ISA and the application binary interface (ABI) specification. We demonstrate our methodology by the development of a tool that can automatically port the SimpleScalar toolset, the de facto standard for microarchitecture simulation, to any processor.
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