On Mar 19, 2020, tom wrote: > On Mon, 16 Mar 2020 21:29:51 -0400 > Dan Purgert <d...@djph.net> 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... -- |_|O|_| |_|_|O| Github: https://github.com/dpurgert |O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281
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