A unified memory model for pointers (2005)
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| Venue: | 12th International Conference on Logic for Programming Artificial Intelligence and Reasoning (LPAR-12), volume 3835 of LNCS |
| Citations: | 7 - 4 self |
BibTeX
@INPROCEEDINGS{Tuch05aunified,
author = {Harvey Tuch and Gerwin Klein},
title = {A unified memory model for pointers},
booktitle = {12th International Conference on Logic for Programming Artificial Intelligence and Reasoning (LPAR-12), volume 3835 of LNCS},
year = {2005},
pages = {474--488}
}
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Abstract
Abstract. One of the challenges in verifying systems level code is the low-level, untyped view of the machine state that operating systems have. We describe a way to faithfully formalise this view while at the same time providing an easy-to-use, abstract and typed view of memory where possible. We have used this formal memory model to verify parts of the virtual memory subsystem of the L4 high-performance microkernel. All formalisations and proofs have been carried out in the theorem prover Isabelle and the verified code has been integrated into the current implementation of L4. 1
