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Literatura académica sobre el tema "Langages de Construction de Matériel (HCLs)"
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Tesis sobre el tema "Langages de Construction de Matériel (HCLs)"
Ait, Bensaid Samira. "Formal Semantics of Hardware Compilation Framework". Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG085.
Texto completoStatic worst-case timing analyses are used to ensure the timing deadlines required for safety-critical systems. In order to derive accurate bounds, these timing analyses require precise (micro-)architecture considerations. Usually, such micro-architecture models are constructed by hand from processor manuals.However, with the open-source hardware initiatives and high-level Hardware Description Languages (HCLs), the automatic generation of these micro-architecture models and, more specifically, the pipeline models are promoted. We propose a workflow that aims to automatically construct pipeline datapath models from processor designs described in HCLs. Our workflow is based on the Chisel/FIRRTL Hardware Compiler Framework. We build at the intermediate representation level the datapath pipeline models. Our work intends to prove the timing properties, such as the timing predictability-related properties. We rely on the formal verification as our method. The generated models are then translated into formal models and integrated into an existing model checking-based procedure for detecting timing anomalies. We use TLA+ modeling and verification language and experiment with our analysis with several open-source RISC-V processors. Finally, we advance the studies by evaluating the impact of automatic generation through a series of synthetic benchmarks
Taha, Safouan. "Modélisation conjointe logiciel/matériel de systèmes temps réel". Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10016/document.
Texto completoThis PhD work focuses on the hardware support when modeling real-time systems. To improve the development of hardware and to communicate architectural intends to the software flow, we adopted the model driven engineering for design, simulation and implementation of hardware platforms. We have first defined a modeling language HRM (Hardware Resource Model) that describes hardware platforms with different views and at different levels of detail. Then, we developed a methodology based on HRM to help users in the construction of their platforms models. We have also developed automated tools for the simulation of these hardware models. Finally, we provide an efficient process of unification between HRM and the recent standard of hardware implementation IP-XACT. As our purpose is to take into consideration the hardware properties during the system design, we have specified rules and constraints that govem allocation of software entities onto hardware resources. After that, we proposed mechanisms to adapt inadequate configurations. Finally, we illustrate all these contributions within the same case study, which is a robots chain. It is realtime, embedded, multi-tasking, distributed, repetitive and configurable system
Berner, David. "Utilisation de méthodes formelles dans la conception conjointe de systèmes embarqués". Rennes 1, 2006. http://www.theses.fr/2006REN1S015.
Texto completoHuet, Sylvain Guillaume. "Intégration des contraintes d'interface dans la conception plate-forme, application à la radiocommunication". Lorient, 2006. http://www.theses.fr/2006LORIS078.
Texto completoIf we want to take advantage of technological evolutions, designer’s productivity has to increase in the same proportions as the component integration on integrated circuits. To take up this challenge, system level design solutions have to be set up. In this context, the joint use of CoFluent Studio distributed by CoFluent design, originally developed by the MCSE team of the Ecole polytechnique de l'Université de Nantes, and GAUT developed by the LESTER lab of the Université de Bretagne Sud is especially relevant. The first tool allows to model and estimate the performances of the systems at a high level of abstraction and the second allows to automatically refine an abstract algorithmic specification down to its hardware implementation. Nevertheless, these approaches require to be completed by the analysis of models of lower levels of abstraction, on the one hand to verify if the targeted performance estimated at higher levels is satisfied and on the other hand to optimize the implementation costs of the system. In this context, we propose two original contributions. Firstly, we propose a fine grain transactional level of abstraction which we use to study the impact of the fine grain data order in a system on the implementation cost of the system. Secondly, in continuity with the first proposal, we propose a communication wrapper which allows to interconnect fin grain transactional components just as easily as system level components. We illustrate these propositions on the study of a MIMO+OFDM transmitter. This work takes place in the PALMYRE project which was financed by the CPER 2000-2006 of the région Bretagne
Aljer, Ammar. "Co-design et raffinement en B : BHDL tool, plateforme pourr la conception de composants numériques". Lille 1, 2004. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2004/50376-2004-Aljer.pdf.
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