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Automatically Locating ARM Instructions Deviation between Real Devices and CPU Emulators
[article]
2021
arXiv
pre-print
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To understand this problem, we aim to automatically locate inconsistent instructions, which behave differently between emulators and real devices. ...
We generate 2,774,649 representative instruction streams and conduct differential testing with these instruction streams between four ARM real devices in different architecture versions (i.e., ARMv5, ARMv6 ...
In this work, we aim to automatically locate inconsistent instructions between real devices and the CPU emulator for the ARM architecture. ...
arXiv:2105.14273v2
fatcat:7apz3eyr5vf2jip4pk5a67ehhq
Key Sensor Technology Components: Hardware and Software Overview
[chapter]
2013
Sensor Technologies
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The action of sensing creates an output signal, via a transduction process, that must be processed and transmitted in some manner in order for a person or another device to do something useful with it. ...
In this chapter, we will examine the key hardware and software features that are important in the design of sensors and sensor systems. ...
For example, a 16-bit address bus can access 2 16 = 65,536 locations (or 64K memory). The data bus carries information between the CPU and memory, or between the CPU and I/O devices. ...
doi:10.1007/978-1-4302-6014-1_3
fatcat:lhdsg7uicfenhnj5pkkvo4jtrq
Mini-NOVA: A Lightweight ARM-based Virtualization Microkernel Supporting Dynamic Partial Reconfiguration
2015
2015 IEEE International Parallel and Distributed Processing Symposium Workshop
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In this context, adding a run-time reconfigurable FPGA device to the ARM processor into a single chip makes it possible to combine high performance and flexibility. ...
Today, ARM is becoming the mainstream family of processors in the high-performance embedded systems domain. ...
Executing privilege instructions at lower privilege level will cause CPU exceptions. In this case, the privilege instruction is trapped and will then be detected and emulated by the VMM. ...
doi:10.1109/ipdpsw.2015.72
dblp:conf/ipps/XiaPN15
fatcat:e2fxsb6urbeqfavov4yv52efae
Hardware Support for Embedded Java
[chapter]
2011
Distributed, Embedded and Real-time Java Systems
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It accelerates, according to ARM, some 95% of the executed bytecodes. 140 bytecodes are executed directly in hardware, while the remaining 94 are emulated by sequences of ARM instructions. ...
[47] and object cache [53] , the extension module for hardware accelerators, and a scratchpad memory. Main memory and I/O devices are connected via the SimpCon interface to the CPU core. ...
doi:10.1007/978-1-4419-8158-5_7
fatcat:jnk6dqak3bg67jmyflimvw3i24
Microkernel Mechanisms for Improving the Trustworthiness of Commodity Hardware
2015
2015 11th European Dependable Computing Conference (EDCC)
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) and closely-coupled redundant co-execution (CC-RCoE), for the ARM and x86 architectures. ...
or CC-RCoE), and conclude that the approach is applicable for real-world applications. ...
The delay time between two fault injections is also chosen randomly
between 3,489,660,928 to 4,294,901,760 CPU cycles for x86-64 and between 268,435,456 to
4,294,901,760 cycles for ARM, as reported ...
doi:10.1109/edcc.2015.16
dblp:conf/edcc/ShenE15
fatcat:xq65e72x7zcnjbbmrwpgebqnxa
Synthesis of networks of custom processing elements for real-time physical system emulation
2013
ACM Transactions on Design Automation of Electronic Systems
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Emulating a physical system in real-time or faster has numerous applications in cyber-physical system design and deployment. ...
The custom PEs are still programmable, thus enabling for example insertion of instructions for profiling or debugging. ...
For general purpose processors (PC, ARM, DSP), only the quad-core PC meets the real-time constraint for the physical models. ...
doi:10.1145/2442087.2442092
fatcat:grizpjcxqfccrd5ukrqwy3hubq
FirmUSB
2017
Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security - CCS '17
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2017 pre-print arXiv:1708.09114v1 fatcat:enmy2tmx45eadjqxa5ykerglee
USB's greatest feature, its openness and expandability, is also its weakness, and attacks such as BadUSB exploit the unconstrained functionality afforded to these devices as a vector for compromise. ...
Embedded USB devices use microcontrollers that have not been well studied by the binary analysis community, and our work demonstrates how lifters into popular intermediate representations for analysis ...
runtime on a real device. ...
doi:10.1145/3133956.3134050
dblp:conf/ccs/HernandezFTYB17
fatcat:egqo62ulcbhj7ghwdbrc5rohjm
A Survey on Recent Advanced Research of CPS Security
2021
Applied Sciences
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, smart transportation, smart homes, and general grids); and (3) MADC (Measure, Attack, Defense, and Control) types. ...
Cyber-physical systems (CPSs) are next-generation intelligent systems that integrate computing, communication, and control. Malicious attacks on CPSs can lead to both property damage and casualties. ...
Nevertheless, the various instruction sets and CPU architectures present new challenges. ...
doi:10.3390/app11093751
fatcat:fxby2wjzpnchrfshvilxalmptm
VICI Virtual Machine Introspection for Cognitive Immunity
2008
2008 Annual Computer Security Applications Conference (ACSAC)
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memory of past engagements, and the potential cost of each technique. ...
After detecting kernel-modifying rootkit infections using Virtual Machine Introspection, the VICI Agent applies a collection of novel repair techniques to automatically restore infected kernels to a healthy ...
It prevents the writing of kernel text and the execution of kernel data by the CPU even when in kernel-mode or by devices doing DMA, thereby defeating rootkits that modify kernel instructions or depend ...
doi:10.1109/acsac.2008.33
dblp:conf/acsac/FraserEA08
fatcat:e2uvx2krpvd5tei3kutf7os6qm
Investigating Performance Portability Of A Highly Scalable Particle-In-Cell Simulation Code On Various Multi-Core Architectures
2015
Zenodo
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All hardware types (multi- and many-core CPUs, GPUs and other accelerators) are treated and can be programmed in the same way. ...
The C++ template interface provided allows for straightforward extension of the library to support other accelerators and specialization of its internals for optimization. ...
Another problem is the unrestricted relation between the thread index and the locations of global memory the results are written to. ...
doi:10.5281/zenodo.49768
fatcat:gw53fnzwxfa53n2xqg6dpohqle
To What Extent is Stress Testing of Android TV Applications Automated in Industrial Environments?
2016
IEEE Transactions on Reliability
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2015 pre-print arXiv:1509.06854v1 fatcat:f5scc66tanh6blali2y2mtdhni
Our study shows that the industry required test automation supports on high-level GUI object controls and status checking, setup of resource conditions and the interplay between the two. ...
We summarize the find-ings collected from 10 industrial test engineers to have tested 20 such TV applications in a real production environment. ...
The Testdroid Cloud provides an online service for testing applications on real Android devices at the backend. ...
doi:10.1109/tr.2015.2481601
fatcat:perf5ogjibbwlgog7ijrho4ysm
On the Effectiveness of Virtualization Based Memory Isolation on Multicore Platforms
2017
2017 IEEE European Symposium on Security and Privacy (EuroS&P)
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Our study reveals that memory isolation by itself is inadequate for security. ...
By virtue of its architectural niche, FIMCE offers stronger assurance and greater versatility than memory isolation. We have built a prototype of FIMCE and measured its performance. ...
Acknowledgments We especially thank Virgil Gligor for his constructive insights into positioning our work. We also appreciate the anonymous reviewers for their helpful comments. ...
doi:10.1109/eurosp.2017.25
dblp:conf/eurosp/ZhaoD17
fatcat:4og7nnfmmfhn7m5r2sqmmqzmqe
A Survey of Techniques for Improving Security of GPUs
[article]
2018
arXiv
pre-print
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Due to these, the GPU can act as a safe-haven for stealthy malware and the weakest 'link' in the security 'chain'. ...
In this paper, we present a survey of techniques for analyzing and improving GPU security. We classify the works on key attributes to highlight their similarities and differences. ...
Further, their approach allows tracking data transfers between CPU and GPU, which is especially useful in fused CPU-GPU systems. ...
arXiv:1804.00114v1
fatcat:u3363wls3fh3te2vvfvjzra25q
tQUAD - Memory Bandwidth Usage Analysis
2010
2010 39th International Conference on Parallel Processing Workshops
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In this paper, we present tQUAD, a new tool for the memory bandwidth usage analysis. ...
Together with an accurate description of the tool, the paper presents a real case study from the multimedia domain to detail all features of the proposed tool. ...
ACKNOWLEDGMENT This research is partially supported by Artemisia iFEST project (grant 100203), Artemisia SMECY (grant 100230), and FP7 Reflect (grant 248976). ...
doi:10.1109/icppw.2010.39
dblp:conf/icppw/OstadzadehCGB10
fatcat:u6isczen7zh37hcpvnaafzw2xu
IoT Software Security Building Blocks
[chapter]
2019
Demystifying Internet of Things Security
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The CPUs are also virtualized and maintain the NS (not-secure) bit used in ARM to switch between two different contexts in the vCPU. ...
QeMu is also an emulator that does binary translation and can even run programs compiled for different Cpus or oSs on that host. So, QeMu is really good at emulation. ...
doi:10.1007/978-1-4842-2896-8_4
fatcat:5ffon6fjtnh6rfkpnbtwoxk7ou
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