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cpu.land | ||
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blog.codingconfessions.com
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| | | | | An explanation of how Linux handles system calls on x86-64 and why they show up as expensive operations in performance profiles | |
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venam.net
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| | | | | System calls are one subject that scares many people. Actually most of the low level stuffs happening on the operating system scares a lot of people. I admit, I was a bit afraid of dealing with this subject. Not because it's hard or anything but because it's something that we're not used to dealing with every day, it's lik... | |
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krinkinmu.github.io
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| | | | | I'm continuing my exploration of the AArch64 architecture and this time I will touch on the AArch64 priviledge levels. Note that AArch64 priviledge model is not exactly the same as the previous iterations of ARM. While there are plenty of similarities, and there is a level of backward compatibility, at the same time, there are some differences as well. So do not assume that things covered here will work the same way for all ARMs. Finally, I assume that you're familiar with general GNU Assembler synatax or willing to figure things out as you go. Familiarity with ARM assmebly language will help, though I try to explain all the things I use. As always the code is available on GitHub. | |
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satharus.me
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| | | If you've been following me on Twitter, you must've been seeing some insane dude who is putting some chips on a breadboard and is using a lot of wiring.This ... | ||