By Vijay Madisetti
The platform-centric SoC approach is aimed toward the layout of today’s SoC structures with emphasis on real-time, embedded structures. The process presents a tenet and an SoC layout surroundings that promotes an integration of cutting-edge instruments and methods valuable for the advance of the platforms. It renders a brand new and higher viewpoint in the direction of co-design methods, whereas additionally elevating a degree of layout abstraction. as the configurable platform items are designed off-cycle, they give a contribution to a common development in improvement time. via incorporating their utilization, the general strategy 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 brief describes the technical demanding situations dealing with process builders and introduces a proposed technique to the matter. the rest of this booklet provides a extra thorough exam at the challenge and the proposed strategy. bankruptcy 2 describes the proposed platform-centric SoC layout procedure intimately. It illustrates the layout movement and discusses every one major step within the layout method. Definition of a platform as initially outlined by means of Sabbagh , in addition to the platform-based and platform-centric layout ways, are awarded. The bankruptcy concludes by means of evaluating the proposed technique with past comparable paintings. bankruptcy three lays out the technological history for the proposed SoC layout approach. 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 with an advent to UML as a modeling instrument rather well perceived in the software program engineering group. it truly is by way of a dialogue on an try by way of the article administration team (OMG) to empower UML for the advance of real-time embedded software program – an attempt with a purpose 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 comparable web applied sciences take place. bankruptcy four outlines the constitution of the library of platform items (LPO), in addition to furnishes a complete instruction and necessities specification platform item needs to own that allows you to be scalable and appropriate with the proposed procedure. crucial components for every platform item, e.g. structure blueprint, XML-based self-described modules, platform dealing with instrument, etc., also are mentioned intimately. bankruptcy five presents an in depth remedy of UML extensions for the improvement of real-time embedded structures. The bankruptcy starts off with a format of the Co-design Modeling Framework (CMF) hierarchy that encompasses 5 different sub-profiles – the regular 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 particularly adapted for the proposed procedure, and will be capable of meet with the demanding situations posed through the layout and try out of real-time embedded SoC-based structures. The bankruptcy, then, proceeds to debate the area suggestion for every sub-profile, by way of the outline of the corresponding stereotypes. bankruptcy 6 applies the platform-centric SoC layout process, utilizing the CMF profile in UML, to the improvement of a simplified digicam approach which will exhibit the use and the robustness of the proposed strategy. particularly, the NiOS improvement board is used to imitate the digicam procedure the place uncooked snapshot info are learn from a charge-coupled gadget (CCD), after which JPEG encoded and saved into reminiscence. The bankruptcy starts with an summary of the Altera’s NiOS approach, by way of the particular process improvement technique that explicitly demonstrates using the proposed method. A quantitative assessment is then provided that compares the advance rate of the proposed platform-centric SoC layout process opposed to a few substitute techniques utilizing price estimation versions and instruments. bankruptcy 7 concludes the e-book 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
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 a collaborative approach presented herein provides a safeguard for the proposed platform-centric SoC design method where it can still benefit from a unified design environment and extensive reuse at the interface level, even if/when the platform-level design is not possible.
The general framework for the hardware/software co-synthesis approach often involves a pre-determined hardware architecture consisting of a particular microprocessor and an ASIC, and the hypothesis that if only the behavior could be partitioned between these components, the remainder of the design process would automatically be done by the high-level synthesis tool and the compiler . al. . They describe the COSYMA (Co-synthesis of eMbedded Architectures) system which is used to extract, from a given program, a slice of functionality that could be implemented in an ASIC.
The next chapter gives a technological overview of the essential background related to the Unified Modeling Language (UML) and the Extensible Markup Language (XML). It commences with an introduction to UML, followed by a discussion on the UML Profile for Schedulability, Performance, and Time Specification . Thereafter, an overview of XML and a few other related Internet technologies applicable to SoC design is given. Chapter 3 INTRODUCTION TO UML AND XML 3. INTRODUCTION This chapter presents an introduction to the Unified Modeling Language (UML) and the Extensible Markup Language (XML) technologies that provide the foundation of the proposed Platform-Centric SoC design methodology.
A Platform-Centric Approach to System-on-Chip (SOC) Design by Vijay Madisetti