[libre-riscv-dev] next tasks
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Wed Feb 19 21:30:43 GMT 2020
On Wed, Feb 19, 2020 at 8:56 PM Jacob Lifshay <programmerjake at gmail.com> wrote:
> I'd recommend something other than the MC68000 that has much wider compiler
> support (at least both modern versions of llvm and gcc) as well as a less
> unusual ISA. (address registers -- need I say more?)
> Also, supporting 64-bit pointers allows sharing address space with the main
> processors (more important than the other concerns).
i particularly wanted something that would fit staf's goals for a
retro-uC (and also be useful).
> If we don't need any custom extensions, maybe just pick a RV64IMAC core
> since the ISA is simple, there's tons of available implementations if we
> don't want to build our own, and so we can reduce ISA proliferation on the
> SoC that way?
hmmm... one other possibility is that lip6.fr are already doing the
layout for an RV core. that would save a huge amount of time we might
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