• Norgur
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    3311 months ago

    So I watched a few guides and did all that… what now? Would you think a shopping list app is doable for my knowledge after this? It looks really hard compared to NorgurOS… :(

  • Destide
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    3111 months ago

    Let me on the Linux kernel irq I can redo the whole thing!

    • spez
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      411 months ago

      I have heard about Redox. What’s the difference between a microkernel and a kernel? Does redox use the linux kernel? Or has the guy written that in rust too?

      • @[email protected]
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        11 months ago

        Well, think microkernels as the bare minimum. They give you just enough to write your own OS on top of that: only the bare essentials run in kernel space, whilst everything else runs in user space and has to communicate with the kernel. Compare this to a monolithic kernel, like the Linux kernel: here, the whole operating system is run in kernel space, which means that data doesn’t need to be moved between user and kernel space: this makes the OS faster, but at the cost of modularity. Redox doesn’t use the Linux kernel, it uses its own microkernel written in Rust.

        Edit: A good example would be driver. In a microkernel, these run separately from the kernel and interact with it when needed. In a monolithic kernel, these drivers would be included in the kernel itself. They both have their pros and cons: if you’re interested, feel free to look it up.

        • @jcgA
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          311 months ago

          Does that mean on a microkernel you’d essentially have double the amount of code execution for a driver (i.e. driver makes a call to the kernel, kernel verifies and then executes rather than the driver just executing the call) meaning double the latency? Seems like it would cause a lot of problems.

          • ferret
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            311 months ago

            Nowhere near double, the kernel can be extremely sparse on it’s side, but there is a small latency hit

        • spez
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          111 months ago

          thanks for the explanation! I was thought it had something to do with linux since the lead dev works for System76.

          • @[email protected]
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            111 months ago

            No problem! Actually, System76 is currently working on rewriting the COSMIC desktop in Rust (or really, just writing a new DE in Rust). It’s a pretty ambitious project that should hopefully get released some time this year. I wouldn’t be surprised if the lead redox dev was working on it too: low-level Rust knowledge is exactly what they need.

            • spez
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              111 months ago

              Yeah, I am waiting for a new blog post from them of that.

  • @[email protected]
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    11 months ago

    This actually wrong way to do it, here the pro way:

    1.Start writing a game/app/engine/os.

    2.Write dozen utility packages for it.

    3.Write high-level packages for #2

    4.Write a “light-weight” version of #3 when disgusted with bloat of #3.

    5.repeat #2 with more modern rust code.

    • @[email protected]
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      111 months ago

      I’m in this picture and I don’t like it. Also, you forgot:

      1.5 Get completely wrapped around the axle by writing tooling to support said game engine art assets.

  • Rom [he/him]
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    1411 months ago

    Small science projects:

    • Baking soda and vinegar volcano

    • Moon landing

    • Splitting the atom

      • @[email protected]
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        311 months ago

        Splitting individual atoms isn’t that difficult, you just need a neutron supply and some material (paraffin wax works) to slow them down and it will eventually happen at least with uranium. Doing it reliably and efficiently is a much harder problem.

  • UnfortunateShort
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    311 months ago

    It’s a matter of perspective. If the game is Tic-Tac-Toe and the system a basic RISC SOC with open firmware this might be a fun project :P

  • MinekPo1 [She/Her]
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    211 months ago

    to be fair , making a simple os is a fun side project , though I would recommend going with a toy VM rather than actual hardware

    • @[email protected]
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      11 months ago

      Point in case: Ben Eater recently uploaded a video where his “BIOS” consists of two I/O functions and compiles into less than 250 bytes. Double that if you count his port of WOZMON. We can argue later if that constitutes an operating system - I mean, it’s not POSIX compliant but it does operate.

      https://www.youtube.com/watch?v=0q6Ujn_zNH8

      Edit: watch that space. The venerable MS BASIC is on the way after this.