By Vijay Madisetti, Chonlameth Arpnikanondt
The platform-centric SoC procedure is geared toward the layout of today’s SoC platforms with emphasis on real-time, embedded structures. The process offers a suggestion and an SoC layout surroundings that promotes an integration of state of the art instruments and strategies precious for the advance of the platforms. It renders a brand new and higher viewpoint in the direction of co-design ways, whereas additionally elevating a degree of layout abstraction. as the configurable platform gadgets are designed off-cycle, they give a contribution to a common development in improvement time. by means of incorporating their utilization, the final procedure moves a stability among overall layout flexibility and minimum time-to-market.
In bankruptcy 1, demanding situations within the co-design of SoCs are brought. The bankruptcy in short describes the technical demanding situations dealing with method builders and introduces a proposed strategy to the matter. the rest of this ebook provides a extra thorough exam at the challenge and the proposed approach.
Chapter 2 describes the proposed platform-centric SoC layout technique intimately. It illustrates the layout circulation and discusses every one major step within the layout method. Definition of a platform as initially outlined by way of Sabbagh , in addition to the platform-based and platform-centric layout ways, are provided. The bankruptcy concludes via evaluating the proposed technique with past comparable work.
Chapter three lays out the technological history for the proposed SoC layout strategy. while the platform know-how is mentioned in bankruptcy 2, this bankruptcy offers an summary of the opposite basic applied sciences: the Unified Modeling Language (UML) and the Extensible Markup Language (XML). The bankruptcy starts off with an advent to UML as a modeling software rather well perceived in the software program engineering group. it's by way of a dialogue on an try by means of the item administration crew (OMG) to empower UML for the improvement of real-time embedded software program – an attempt for you to ultimately culminate in a layout framework often called the UML Profile for Schedulability, functionality, and Time Specification . Thereafter, an outline of XML and some different similar web applied sciences ensue.
Chapter four outlines the constitution of the library of platform items (LPO), in addition to furnishes a entire instruction and requisites specification platform item needs to own to be able to be scalable and suitable with the proposed procedure. crucial parts for every platform item, e.g. structure blueprint, XML-based self-described modules, platform handling instrument, etc., also are mentioned intimately.
Chapter five presents a close remedy of UML extensions for the improvement of real-time embedded structures. The bankruptcy begins with a structure of the Co-design Modeling Framework (CMF) hierarchy that encompasses 5 different sub-profiles – the conventional application profile (PCUprofile), the Exception Modeling profile (EMprofile), the Interrupt Modeling profile (IMprofile), the Synthesizable Description Language profile (SHDLprofile), and the structure Blueprint profile (ABprofile). every one of those profiles furnishes a layout framework that's in particular adapted for the proposed method, and will be ready to meet with the demanding situations posed by means of the layout and try of real-time embedded SoC-based structures. The bankruptcy, then, proceeds to debate the area suggestion for every sub-profile, via the outline of the corresponding stereotypes.
Chapter 6 applies the platform-centric SoC layout technique, utilizing the CMF profile in UML, to the advance of a simplified digicam procedure with a view to exhibit the use and the robustness of the proposed method. in particular, the NiOS improvement board is used to imitate the digicam process the place uncooked photo facts are learn from a charge-coupled machine (CCD), after which JPEG encoded and saved into reminiscence. The bankruptcy starts off with an summary of the Altera’s NiOS method, through the particular procedure improvement procedure that explicitly demonstrates using the proposed procedure. A quantitative assessment is then offered that compares the improvement price of the proposed platform-centric SoC layout procedure opposed to a few replacement ways utilizing expense estimation types and tools.
Chapter 7 concludes the publication with a precis and a dialogue of destiny instructions for this attempt on platform-based layout.
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Extra info for A Platform-Centric Approach to System-on-Chip (SOC) Design
In a typical platform-centric development process flow, further analysis on this specification (in the platform analysis phase) will help determine the target architecture as well as the partition of hardware and software modules. At this point, if there exists no desirable hardware component such that the developer has to implement it as part of the design cycle, s/he can conveniently apply the Platform-Centric SoC Design Methodology 39 SystemC iterative refinement approach to the platform-independent functional model—yielding either the SystemC HW/SW model or the RTL netlist which can be inserted back into the platform-centric environment.
Such ability allows POLIS to provide necessary feedback to the designer at all design steps. A simple scheme for automatic HW/SW interface synthesis is also supported. The Corsair  integrated framework methodology is similar to POLIS. The Corsair framework contains several tools for the automated implementation of formally specified embedded systems. Based on the extended specification language Specification and Description Language with Message Sequence Chart (SDL/MSC), the approach supports system synthesis, implementation synthesis and performance evaluation for rapid prototyping.
An actor is who or what initiates the events involved in that task. The connection between actor and use case is called a communication association. A use case diagram can also be viewed as a collection of actors, use cases and their communications. Use case diagrams are helpful in such tasks as communicating with clients, and capturing and determining requirements. Introduction To UML And XML 43 Figure 3-1. Summary of UML notations A class diagram gives an overview of a system by depicting classes and the relationships among them.