By Vijay Madisetti
The platform-centric SoC strategy is aimed toward the layout of today’s SoC platforms with emphasis on real-time, embedded platforms. The technique presents a tenet and an SoC layout setting that promotes an integration of state of the art instruments and methods valuable for the improvement of the structures. It renders a brand new and higher standpoint in the direction of co-design techniques, 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. via incorporating their utilization, the general 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 brief describes the technical demanding situations dealing with approach builders and introduces a proposed technique to the matter. the rest of this booklet offers a extra thorough exam at the challenge and the proposed method. bankruptcy 2 describes the proposed platform-centric SoC layout process intimately. It illustrates the layout circulate and discusses every one major step within the layout technique. Definition of a platform as initially outlined by means of Sabbagh , in addition to the platform-based and platform-centric layout techniques, are awarded. The bankruptcy concludes through evaluating the proposed strategy with past comparable paintings. bankruptcy three lays out the technological historical past for the proposed SoC layout technique. while the platform know-how is mentioned in bankruptcy 2, this bankruptcy provides an outline of the opposite primary applied sciences: the Unified Modeling Language (UML) and the Extensible Markup Language (XML). The bankruptcy starts with an advent to UML as a modeling software rather well perceived in the software program engineering group. it truly is via a dialogue on an test through the article administration workforce (OMG) to empower UML for the improvement of real-time embedded software program – an attempt so as to finally 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 happen. bankruptcy four outlines the constitution of the library of platform gadgets (LPO), in addition to furnishes a entire guide and necessities specification platform item needs to own for you to be scalable and suitable with the proposed strategy. crucial components for every platform item, e.g. structure blueprint, XML-based self-described modules, platform handling software, etc., also are mentioned intimately. bankruptcy five offers an in depth therapy of UML extensions for the advance of real-time embedded platforms. The bankruptcy starts off with a structure of the Co-design Modeling Framework (CMF) hierarchy that encompasses 5 different sub-profiles – the normal software 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 strategy, and should be capable to meet with the demanding situations posed by means of the layout and attempt of real-time embedded SoC-based platforms. The bankruptcy, then, proceeds to debate the area notion for every sub-profile, by means of the outline of the corresponding stereotypes. bankruptcy 6 applies the platform-centric SoC layout technique, utilizing the CMF profile in UML, to the advance of a simplified camera process so that it will show the use and the robustness of the proposed method. in particular, the NiOS improvement board is used to imitate the camera process the place uncooked photograph information are learn from a charge-coupled gadget (CCD), after which JPEG encoded and saved into reminiscence. The bankruptcy starts off with an outline of the Altera’s NiOS method, through the particular method improvement approach that explicitly demonstrates using the proposed procedure. A quantitative review is then provided that compares the advance price of the proposed platform-centric SoC layout strategy opposed to a few substitute methods utilizing price estimation types 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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Additional resources for A Platform-Centric Approach to System-on-Chip (SOC) Design
It is to be noted, nonetheless, that the RTtimeModeling profile only permits one clock to be defined. The last package in the general resource framework, the RTconcurrencyModeling profile, deals primarily with the concurrency aspects of modeling real-time applications. Using this profile, the concept of active objects and threads can be modeled conveniently. The profile utilizes a message passing scheme for communications. 50 Introduction To UML And XML Figure 3-3.
Specifically, the NiOS development board is used to mimic the digital camera system where raw image data are read from a charge-coupled device (CCD), and then JPEG encoded and stored into memory. The chapter begins with an overview of the Altera’s NiOS system, followed by the actual system development process that explicitly demonstrates the use of the proposed approach. A quantitative evaluation is then presented that compares the development cost of the proposed platform-centric SoC design method against the some alternative approaches using cost estimation models and tools.
2, the mappings between UML and a popular OO programming language such as Java have evolved to become a standard feature supported by almost all commercial UML tools, plus a couple of free ones. g. Ada, Real-Time Java, Delphi, CORBA IDL, optimized C/C++ for embedded application, are also possible. 5 UML Profile for Schedulability, Performance and Time Specification Currently undergoing the final stage prior to being standardized by OMG, this real-time profile aims to bridge a gap between the real-time and UML communities by providing capabilities for modeling real-time systems and characteristics, such as quality of services (QoS) that often are nonfunctional, yet essential to the development of real-time systems.