Recently in the latest Intel SDM, you can find that there is a new exception type, Virtualization Exception, in Chapter 6 (Interrupt and Exception Handling) of VOL2.
What is it? How to use it? ...
Sunday, May 18, 2014
Tuesday, May 06, 2014
Introduction to Processor Hardware Security Features in x86 & ARM Architectures
x86 and ARM processors both provide many hardware enforced security features, e.g. NX (No-eXecute) for executable space protection, to help system software engineers to build a secure computing environment.
This article summaries those security features for both x86/Intel and ARM architectures, and explains how are they used by Operating System.
This article summaries those security features for both x86/Intel and ARM architectures, and explains how are they used by Operating System.
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