Title page for ETD etd-11152007-105652

Type of Document Dissertation
Author Mathaikutty, Deepak Abraham
Author's Email Address damathai@vt.edu
URN etd-11152007-105652
Title Metamodeling Driven IP Reuse for System-on-chip Integration and Microprocessor Design
Degree PhD
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Shukla, Sandeep K. Committee Chair
Bohner, Shawn A. Committee Member
Dingankar, Ajit Committee Member
Hsiao, Michael S. Committee Member
Pulliam, Wade J. Committee Member
Schaumont, Patrick Robert Committee Member
  • SystemC
  • System On Chip
  • Microprocessor
  • Metamodeling
  • Model-driven Design and Validation
  • Type inference
  • Reflection
  • Metamodel
  • Coverage metric
Date of Defense 2007-11-02
Availability unrestricted
This dissertation addresses two important problems in reusing intellectual properties (IPs) in the form of reusable design or verification components. The first problem is associated with fast and effective integration of reusable design components into a System-on-chip (SoC), so faster design turn-around time can be achieved, leading to faster time-to-market. The second problem has the same goals of faster product design cycle, but emphasizes on verification model reuse, rather than design component reuse. It specifically addresses reuse of reusable verification IPs to enable a "write once, use many times" verification strategy. This dissertation is accordingly divided into part I and part II which are related but describe the two problems and our solutions to them.

These two related but distinctive problems faced by system design companies have been tackled through a unique approach which hither-to-fore only have been used in the software engineering domain. This approach is called metamodeling, which allows creating customized meta-language to describe the syntax and semantics for a modeling domain. It provides a way to create, transform and analyze domain specific languages, which are themselves described by metamodels, and the transformation and processing of models in such languages are also described by metamodels. This makes machine based interpretation and translation from these models an easier and formal task.

In part I, we consider the problem of rapid system-level model integration of existing reusable components such that (i) the required architecture of the SoC can be expressed formally, (ii) automatic selection of components from an IP library to match the need of the system being integrated can be done, (iii) integrability of the components is provable, or checkable automatically, and (iv) structural and behavioral type systems for each component can be utilized through inferencing and matching techniques to ensure their compatibility. Our solutions include a component composition language, algorithms for component selection, type matching and inferencing algorithms, temporal property based behavioral typing, and finally a software system on top of an existing metamodeling environment.

In part II, we use the same metamodeling environment to create a framework for modeling generative verification IPs. Our main contributions relate to INTEL's microprocessor verification environment, and our solution spans various abstraction levels (System, architectural, and microarchitecture) to perform verification. We provide a unified language that can be used to model verification IPs at all abstraction levels, and verification collaterals such as testbenches, simulators, and coverage monitors can be generated from these models, thereby enhancing reuse in verification.

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