[lowrisc-dev] Support for Fedora / compressed extension
merker at debian.org
Sun Apr 1 21:57:53 BST 2018
On Sun, Apr 01, 2018 at 09:31:16PM +0100, Richard W.M. Jones wrote:
> Hi, I was going to try v0.5 on my Nexys 4 DDR. However I believe
> that this version doesn't support the Compressed extension. I
> disassembled the sample bbl and there are no short instructions.
> Is support for the C extension available and/or planned?
AFAIK the lowRISC 0.5 release uses an older version of the rocket
core without C support and still at priv-1.9.1 (according to the
table at http://www.lowrisc.org/docs/ethernet-v0.5/). AIUI, the
latter means that Fedora wouldn't run even when compiled without
C instructions as mainline glibc requires at least kernel 4.15
and kernel 4.15 to the best of my knowledge requires
Somebody mentioned before that there are plans to move lowRISC to
a priv-1.10-compliant version of rocket but without mentioning an
estimated timeframe, so I would like to use this opportunity to
ask on the list what the plans in this regard look like.
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