Floating point emulation support policy

[Xiang W]

在 2021-03-30二的 10:44 +0800，Xim写道：
> Hi all,
> 
> My institution wants to run GNU/Linux distributions on a RISC-V core
> without hardware floating point support. We used Berkeley Boot Loader
> (BBL) before which has a built-in support for soft floating point
> emulation. We are swtching to OpenSBI but no such emulations seem to
> exist in OpenSBI for now. I wonder if OpenSBI would be happy to
> accept a port of such functions.
> 
> Regards,
> Guokai Chen
> chenguokai17 at mails.ucas.ac.cn
> 
> 
Good idea! Can be added to simulate illegal instruction exceptions.

Regards,
Xiang W