:: Re: [DNG] The real reason I like Li…
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Auteur: Dan Purgert
Date:  
À: dng
Sujet: Re: [DNG] The real reason I like Linux
On Mar 19, 2020, tom wrote:
> On Mon, 16 Mar 2020 21:29:51 -0400
> Dan Purgert <dan@???> wrote:
> >
> > What, then, is so bad about PCI? Or hell, even ISA?
> >
> > Sure, it's super-limiting in terms of what you can buy off the shelf
> > -- but then again, so was the "compatible with Arduino(tm)" market
> > 5-10 years ago (and now look at that mess!)
> >
> > I guess what I'm trying to ask is what would be so bad about a "RISC-V
> > Hobby Linux Machine(tm)" only offering these "older" peripheral
> > connectivity interfaces in interests of being inexpensive and also
> > preserving end-user freedom?
> >
> > Or ... maybe I'm just a bit crazier than I thought.
> >
>
> Nothing wrong with that in of itself, it's just a bit odd to pair a
> RISCV cpu with only slow peripherals. Now there are RISCV
> microcontrollers you can buy that don't have an MMU so you can't run
> Linux on them, and they have all the IO you'd come to expect on a
> microcontroller, however if you want to run Linux or some other similar
> multitasking OS like NetBSD it probably makes a lot more sense to
> choose something aarch64 based purely do to how good and mature
> aarch64's IO capabilities are.


Either I'm just horrific at asking (good) questions; or there's
something here that you're saying that I simply don't understand.

> [...]
> But back to your question why not RISCV with slow IO. That's like of
> like pairing a Ferrari with a horse trailer. There are much better
> options out there for pulling horse trailers than sports cars.


Sure, but if all you have is the Ferrari, and the trailer needs to get
pulled...




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