[lowrisc-dev] Support for Fedora / compressed extension

Richard W.M. Jones rjones at redhat.com
Sun Apr 1 21:52:03 BST 2018


On Sun, Apr 01, 2018 at 09:48:16PM +0100, Alex Bradbury wrote:
> On 1 April 2018 at 21:31, Richard W.M. Jones <rjones at redhat.com> 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?
> 
> Hi Richard,
> 
> Thanks for taking a look. You're correct that we're currently based on
> an old version of Rocket which doesn't support the compressed
> extension - upstream refactorings have made it difficult to keep up to
> date. We do intend to support the C extension, though I can't give a
> ETA right now. Sadly this means we can't (for now) directly consume
> the awesome work you and your colleagues have been doing on Fedora
> RISC-V - but look forward to doing so in the not too distant future.

OK great, also looking forward to it :-)

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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