Subj : Re: New Pico2
To   : druck
From : The Natural Philosopher
Date : Tue Aug 13 2024 11:25:19

On 12/08/2024 23:48, druck wrote:
> On 11/08/2024 22:32, Single Stage to Orbit wrote:
>> I've got a RISCV baremetal operating system I might bring up on this
>> device but looking at the datasheet for the RISCV processor used, it's
>> only got machine mode and user mode, no supervisor mode and no paging.
>> It does not even support any of the Sv pagetables so that's a
>> challenge.
>
> The joys open "open source" CPUs with no standardised feature sets.
>
>> Most interestingly enough, you can actually boot up with one RISCV core
>> and one ARM core, two RISCV cores or both ARM cores. Mixed processor
>> cores that'll be fun to see what we can do with that.
>
> I think they did that for all the people who keep insisting they should
> move to the "new future" of RISC V. Now they can find out how badly it
> compares to a contemporary ARM core.
>
...or not...

(I have no dog in this fight. I grew up on CISC. I use whatever works.
All I care about is price power performance )

> ---druck

--
I would rather have questions that cannot be answered...
....than to have answers that cannot be questioned

Richard Feynman

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