Path of least resistance towards D running on RISC-V

[Nicholas Wilson via Digitalmars-d]

On Saturday, 31 December 2016 at 11:36:47 UTC, e-y-e wrote:
> The HiFive1 [1] is the first commercially available RISC-V 
> system on chip, programmable in C using the Freedom E SDK [2].
>
> I have ordered one to tinker with and to help learn C properly, 
> but I think it would be amazing to see D running on systems 
> like this. I am a novice in low level stuff really, so I wonder 
> what is the best way for this to happen? I assume LDC is the 
> best compiler for the job (an LLVM supporting RISC-V exists [3] 
> but needs to be upstreamed).
>
> What's your opinion? Personally I think it would be a good 
> demonstration of D as a cutting-edge systems language if it 
> could be run on resource-constrained RISC-V systems like the 
> HiFive1 (no FP, low memory & CPU).
>
> [1] https://www.sifive.com/products/hifive1/
> [2] https://github.com/sifive/freedom-e-sdk/
> [3] https://github.com/riscv/riscv-llvm/

First step is to build the riscv-llvm and then use it to build 
LDC with it.
If you are trying to do low level stuff then the druntime is 
probably out.

Search for embedded d (ARM cortex M, 5(?) part series) for how to 
get rid of it (can't find it atm), or ask Adam.

Anyway, good luck!