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Please read the pinned post. The group has restriction for links due to spam bots, but you can send it anyway. @perplex_files

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https://youtu.be/fVEeme7DHEI OpenBSD and musl saves the day again

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#embedded #hardware FreeBSD: FPGA development of RISC-V 32bit CPU, and buffer overflow demo source(@BSDJedi) youtube link https://t.me/FreeBSD/117

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A little thing to notice, when PcSrcD = 1, the decode pipeline register is flushed (as shown in the first picture).

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#comp_arch When dealing with control hazards, we need to predict the next instructions and flush the pipeline registers if th
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#comp_arch When dealing with control hazards, we need to predict the next instructions and flush the pipeline registers if the branch is taken. Since the branch checks whether rs = rt, we can put an equality comparator in the Decode stage, thus reducing the penalty of a misprediction. The interesting thing is that by doing that, we need to deal with RAW (read after write) hazards, because of the equality comparator sources, the process is similar to the post above. If the sources are in the Writeback stage, there is no hazard (the write step is made at low clock, and the read step is made at high clock). If the sources are in the Memory stage, we use a simple logic as the picture shows (ForwardAD and ForwardBD), take a look at the combinatory logic, i will not explain. Now, if the sources are in the Execute stage or in the Memory stage of a lw instruction, the Decode stage will be stalled and the Execute stage will be flushed.

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#math #programming Solving recurrences to find asymptotic bounds of a recursive function.

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#misc just pondering my gentoo...

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@p_articles is on again, had to delete due to account problems, no content lost, also check @p_pdfs for some good ebooks

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#tool https://github.com/emacsmirror/rmsbolt Works like a charm.

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#hardware #roadmap Preparing for an RTL Design Interview: An Exhaustive List of Topics. https://thedatabus.io/interview_list

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#linux #hacking #programming https://research.swtch.com/

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Repost from FreeBSD
Intro to Hardware Hacking on RPi Join Tom Jones as he provides an introduction to FreeBSD running on the Raspberry Pi. The one-hour session covers interfacing with hardware like LEDs and switches. repo: https://github.com/adventureloop/gpiostuff #freebsdfridays #raspberrypi #guide

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Repost from Lambda Archive
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The following document is a list of known hardware backdoors. This is considered a work in progress. This post is version 1 of the document and it will be updated over time to add new entries to the list, to add and improve citations as well as descriptions. Tags: [ #Intel_ME| #AMD_PSP | #ARM_TrustZone ]