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VMM Detection Myths and Realities from a Simics and Embedded Perspective
It must have been Google Alerts that send me a link to the HOTOS 2007 (Hot Topics in Operating Systems) paper by Tal Garfinkel, Keith Adams, Andrew Warfield, and Jason Franklin called Compatibility is...
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David Ditzel Interview at The Register/Semicoherent Computing
The Register has a few podcasts in addition to their website, and the one called “Semicoherent Computing” has turned into a very nice series of interviews with interesting people from the computer...
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Pulling the Virtual Ethernet Plug
I just read the panel interview at the start of the latest issue (Number 4, 2008) of ACM Queue. Here, you have Bryan Cantrill of Sun (the man behind dTrace) bemoan the difficulty of testing faults. In...
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Driving an Old Canon Scanner using a VM
I have an old Canon LIDE 30 scanner that I purchased sometime late in 2003. At that time, it was connected to a PC running Windows XP, and drivers worked just fine. However, after I got my new computer...
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A Toast to Abstraction Layers
I just found “The Toaster Project“, a Royal College of Art project where Thomas Twaites built a simple toaster from scratch. Really from scratch, going all they way back to iron ore and raw petroleum....
View ArticleSiCS Multicore Day 2009
Last Friday, I attended this year’s edition of the SiCS Multicore Day. It was smaller in scale than last year, being only a single day rather than two days. The program was very high quality...
View ArticleFFast: Good Idea, Too Bad About the Implementation
I just read a short paper by Antoine Trouvé and Kazuaki Murakami from the RAPIDO 2010 workshop on “rapid simulation and performance evaluation”. The paper is “FFast: Efficient Application of Compiled...
View ArticleVirtualBox SMP
I listened to an interesting FLOSS Weekly interview with Adam Hall and Achim Hasenmuller of VirtualBox. For someone interested in virtual machines and hardware simulation, the interview was full of...
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Wind River Blog: Interview with a Virtualization Researcher
Past Friday, I posted a new blog post in my Wind River blog. It is an interview the PhD student Girish Venkatasubramanian from the University of Florida. He is doing research on virtual...
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S4D Paper on Transporting Bugs with Checkpoints
I have a paper about “Transporting Bugs with Checkpoints” to be presented at the S4D (System, Software, SoC and Silicon Debug) conference in Southampton, UK, on September 15 and 16, 2010. The core...
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Additional Notes on Transporting Bugs with Checkpoints
This post features some additional notes on the topic of transporting bugs with checkpoints, which is the subject of a paper at the S4D 2010 conference. The idea of transporting bugs with checkpoints...
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Wind River Blog: Working Smarter, not Harder
There is a new post at my Wind River blog, about how you can use a virtual platform to complete work faster. Not by making the virtual platform execution of target code faster, but by optimizing the...
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Wind River Blog: Surfing the Web with Netscape 4
Just for fun, I tried to surf the web of today using a Netscape 4 browser from 2001. The result: not exactly useful. Netscape 4 was bad back then, and it does not work at all with the current style of...
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Wind River Blog: Inside the Simics QSP – Additional Notes
There is a new post at my Wind River blog, about the design and technical contents of the new Simics Quick Start Platforms, more widely known as the QSP. The blog describes the virtual-only hardware...
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Wind River Blog: Testing Multicore Scaling with a Simics QSP
A few years ago, I built a demo on Simics that used a hacked Freescale MPC8641D target that was forced to scale from 1 to 8 cores. Some interesting experiements could be made using this target, and it...
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Wind River Blog: Simics and Flying Piggies
I just added a new blog post at the Wind River blog, about determinism and illustrating Simics-style determinism is by looking at the game Bad Piggies. Games and simulators have quite a lot in common,...
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Wind River Blog: Starting & Configuring Simics
There is a new post at my Wind River blog, about how Simics sessions are started and the mechanics of system setups in Simics. It also has a link to a Youtube video demonstrating various ways of...
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Intel Technology Journal on Simics
The September 2013 issue of the Intel Technology Journal (which actually arrived in December) is all about Simics. Daniel Aarno of Intel and I served as the content architects for the issue, which...
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Busy Writing a Book About Simics
For the past six months I have not been doing much blogging at all, neither here nor on the Wind River blog. The reason is that I have been directing my writing energy into writing a text book about...
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Breaking and Detecting Simulators and Emulators
I have read a few news items and blog posts recently about how various types of software running on top of virtual machines and emulators have managed to either break the emulators or at least detect...
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