[libre-riscv-dev] little-endian only power cores and spec compliance

Jacob Lifshay programmerjake at gmail.com
Wed May 13 03:27:26 BST 2020

On Tue, May 12, 2020, 00:24 Jacob Lifshay <programmerjake at gmail.com> wrote:

> Over on Libre-SOC's mailing list (CCed), we've been having a conversation
> about the newly-released spec v3.1 and the compliance levels:
> http://lists.libre-riscv.org/pipermail/libre-riscv-dev/2020-May/006502.html
> we are building a cpu that is intended to be Linux capable, however
> doesn't support Power's SIMD instructions and is LE only. We've been
> running into an issue with the spec's compliance levels:

It turns out that I spoke too soon about what exactly Libre-SOC's CPU will
support, I apologise.

With that said, I still think it would be useful for OpenPower to support
LE-only processors without the additional requirements imposed by the Linux
and AIX compatibility levels.



More information about the libre-riscv-dev mailing list