RISC-V tool chain

[Joel Sherrill]

On Tue, Jun 5, 2018 at 9:07 AM, Gedare Bloom <gedare at rtems.org> wrote:

> On Tue, Jun 5, 2018 at 9:30 AM, Sebastian Huber
> <sebastian.huber at embedded-brains.de> wrote:
> > Hello,
> >
> > the RISC-V is a new architecture and the tool chain is still under active
> > development. For example one bug which blocks the RTEMS support of the
> > 64-bit RISC-V was fixed this week:
> >
> > https://sourceware.org/bugzilla/show_bug.cgi?id=23244
> >
> > The GDB support is only available in the development branch of GDB. This
> > makes it a bit difficult to use release versions of the tools. We used
> > snapshots in the past, but the snapshots are removed from the FSF
> download
> > sites and mirrors after some time (e.g. half a year). This is not good if
> > you want to bisect a bug and need to build the tool chain used for a
> certain
> > RTEMS version.
> >
> > What do you think about adding snapshots used by RSB to the RTEMS FTP
> > server?
> >
> Hello Sebastian,
>
> I believe this has been discussed before although I can't find the
> thread. I have concerns about the maintenance of snapshots. How many
> target toolchains will we do this for, what frequency will snapshots
> be taken, and how long will we preserve them?
>
> Is there a different low-cost technical solution that can be used
> instead of a snapshot? For example, we can check-out a specific commit
> from a repository: wouldn't it work well enough to identify such
> commits and update them periodically instead of taking a full snapshot
> of the tool sources? I believe this is how we have dealt with qemu in
> the RSB, by picking one commit and sticking with it for awhile.
>

Using the git commit hash is better. If we have to stick with a snapshot
going into a release, the release procedure grabs a tar image as I recall.

--joel


>
> Gedare
>
> > --
> > Sebastian Huber, embedded brains GmbH
> >
> > Address : Dornierstr. 4, D-82178 Puchheim, Germany
> > Phone   : +49 89 189 47 41-16
> > Fax     : +49 89 189 47 41-09
> > E-Mail  : sebastian.huber at embedded-brains.de
> > PGP     : Public key available on request.
> >
> > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
> >
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