Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.最新文献

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Synchronous extensions to operation centric hardware description languages 以操作为中心的硬件描述语言的同步扩展
G. Nordin, J. Hoe
{"title":"Synchronous extensions to operation centric hardware description languages","authors":"G. Nordin, J. Hoe","doi":"10.1109/MEMCOD.2004.1459814","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459814","url":null,"abstract":"The abstract transition system (ATS) is a high-level hardware description framework. ATS's operation-centric abstraction permits perspicuous descriptions of complex concurrent hardware behavior as a sequence of atomic state transitions. However non-determinism in the ATS semantics prevents it from capturing the behavior of systems whose correctness depends upon both function and exact synchronous timing. To address this shortcoming, we present two extensions to ATS-committing transitions and synchronously delayed expressions-to support the specification of synchronous behaviors and interfaces. The new synchronous extensions compose naturally with the original ATS. We describe a compilation strategy for the synchronous extensions that leverages existing ATS synthesis capabilities. We also evaluate the new extensions' ease of description and synthesis quality in several design examples.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132872510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Formal verification of pipelined processors with precise exceptions 具有精确异常的流水线处理器的正式验证
Krishnamani Kalyanasundaram, R. Shyamasundar
{"title":"Formal verification of pipelined processors with precise exceptions","authors":"Krishnamani Kalyanasundaram, R. Shyamasundar","doi":"10.1109/MEMCOD.2004.1459832","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459832","url":null,"abstract":"Verification of pipelined processors is a complex and challenging issue. In this paper, we develop a methodology based on translation validation for the verification of pipelined processors that support precise exceptions and out-of-order executions. We have developed a tool integrated with STeP theorem prover for the automatic verification of pipelined architectures. Formal verification of DLX processor is illustrated using our methodology. It is shown that the precise exception modelling is preserved over a range of pipeline instructions of DLX pipeline, like, integer, floating point, branch instructions, etc. The methodology is also illustrated with examples from DLX processor. A comparative evaluation of our method with other approaches is done and a structure of the tool is also provided.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115953161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Compositional verification for secure loading of smart card applets 为安全加载智能卡小程序而进行的组合验证
C. Sprenger, D. Gurov, M. Huisman
{"title":"Compositional verification for secure loading of smart card applets","authors":"C. Sprenger, D. Gurov, M. Huisman","doi":"10.1109/MEMCOD.2004.1459857","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459857","url":null,"abstract":"We present an algorithmic compositional verification method for smart card applets and control flow based safety properties expressed in a modal logic with simultaneous greatest fixed points. Our method builds on a technique proposed by Grumberg and Long who use maximal models to reduce compositional verification of finite-state parallel processes to standard model checking. We adapt this technique to applets, a class of infinite-state sequential processes. This requires a refinement of the method, since for a given applet interface and behavioural formula a maximal applet does not always exist. We therefore propose a two-level approach, where local assumptions restrict the control flow structure of applets, while the global guarantee restricts the control flow behaviour of the system. We present a novel maximal model construction for our logic and then adapt it to applets. By separating the tasks of verifying global and local properties our method supports secure post-issuance loading of applets onto a smart card.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130739096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Designing a reorder buffer in Bluespec 在Bluespec中设计一个重排序缓冲区
Nirav H. Dave
{"title":"Designing a reorder buffer in Bluespec","authors":"Nirav H. Dave","doi":"10.1109/MEMCOD.2004.1459823","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459823","url":null,"abstract":"Production capabilities for complex VLSI chips have outpaced the ability of current generation CAD tools to design and verify such chips effectively. Bluespec is designed to synthesize high-level descriptions in the form of guarded atomic actions into high quality structural RTL. While much work has been done on verifying both the correctness and synthesizability of Bluespec descriptions, the work on realistic large scale designs is in early stages. This paper explores the design of the reorder buffer for an out-of-order superscalar processor with a MIPS I ISA. We discuss the design methodologies which are suited for large scale Bluespec design and discuss some of the difficulties we encountered. Even though the work is still in progress, we show what level of performance is achievable under the current Bluespec compiler and what problems need to be solved to make the tool viable for commercial production environments.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127793378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Automated, compositional and iterative deadlock detection 自动,组成和迭代死锁检测
S. Chaki, E. Clarke, J. Ouaknine, N. Sharygina
{"title":"Automated, compositional and iterative deadlock detection","authors":"S. Chaki, E. Clarke, J. Ouaknine, N. Sharygina","doi":"10.1109/MEMCOD.2004.1459856","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459856","url":null,"abstract":"We present an algorithm to detect deadlocks in concurrent message-passing programs. Even though deadlock is inherently noncompositional and its absence is not preserved by standard abstractions, our framework employs both abstraction and compositional reasoning to alleviate the state space explosion problem. We iteratively construct increasingly more precise abstractions on the basis of spurious counterexamples to either detect a deadlock or prove that no deadlock exists. Our approach is inspired by the counterexample-guided abstraction refinement paradigm. However, our notion of abstraction as well as our schemes for verification and abstraction refinement differs in key respects from existing abstraction refinement frameworks. Our algorithm is also compositional in that abstraction, counterexample validation, and refinement are all carried out component-wise and do not require the construction of the complete state space of the concrete system under consideration. Finally, our approach is completely automated and provides diagnostic feedback in case a deadlock is detected. We have implemented our technique in the MAGIC verification tool and present encouraging results (up to 20 times speed-up in time and 4 times less memory consumption) with concurrent message-passing C programs. We also report a bug in the real-time operating system MicroC/OS version 2.70.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130273642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
Checkers for SystemC designs SystemC设计的检查器
Daniel Große, R. Drechsler
{"title":"Checkers for SystemC designs","authors":"Daniel Große, R. Drechsler","doi":"10.1109/MEMCOD.2004.1459851","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459851","url":null,"abstract":"Today's complex systems are modeled on a high level of abstraction. In this context, C/C++-based description languages, like SystemC, become very important. The modeling features of SystemC enable adequate levels of abstraction, hardware/software integration and fast executable specifications. Using the SystemC design methodology, a system is partitioned into hardware and software. Then the modules are refined down to the implementation. Besides efficient modeling, the correct functional behavior is very important. Already today up to 80% of the overall design costs are due to verification. As the complete system cannot be formally verified, checking of the functional behavior during operation has to be considered. In this paper an approach is presented that allows to check temporal properties for a SystemC design not only during simulation, but also after fabrication inform of an on-line test. The method translates the properties into synthesizable SystemC instructions. By this, the properties can be checked like HDL assertions during simulation and after production since they can be synthesized together with the system. The proposed approach enables a concise circuit and system verification methodology.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127284324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Bluespec System Verilog: efficient, correct RTL from high level specifications Bluespec系统Verilog:高效,正确的RTL从高层次的规格
R. Nikhil
{"title":"Bluespec System Verilog: efficient, correct RTL from high level specifications","authors":"R. Nikhil","doi":"10.1109/MEMCOD.2004.1459818","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459818","url":null,"abstract":"Bluespec System Verilog is an EDL toolset for ASIC and FPGA design offering significantly higher productivity via a radically different approach to high-level synthesis. Many other attempts at high-level synthesis have tried to move the design language towards a more software-like specification of the behavior of the intended hardware. By means of code samples, demonstrations and measured results, we illustrate how Bluespec System Verilog, in an environment familiar to hardware designers, can significantly improve productivity without compromising generated hardware quality.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114701746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 235
Formal methods and software reliability 形式化方法和软件可靠性
G. Holzmann
{"title":"Formal methods and software reliability","authors":"G. Holzmann","doi":"10.1109/MEMCOD.2004.1459838","DOIUrl":"https://doi.org/10.1109/MEMCOD.2004.1459838","url":null,"abstract":"In this position statement, the author briefly describes how the software reliability problem has changed over the years, and the primary reasons for the recent creation of the Laboratory for Reliable Software at JPL.","PeriodicalId":253853,"journal":{"name":"Proceedings. Second ACM and IEEE International Conference on Formal Methods and Models for Co-Design, 2004. MEMOCODE '04.","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124019208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 49
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