[PATCH 3/6] shgen: Import from RTEMS

Joel Sherrill joel at rtems.org
Mon Jun 11 06:22:50 UTC 2018


On Mon, Jun 11, 2018, 8:14 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 11/06/18 08:10, Joel Sherrill wrote:
> >
> >
> > On Mon, Jun 11, 2018, 7:53 AM Sebastian Huber
> > <sebastian.huber at embedded-brains.de
> > <mailto:sebastian.huber at embedded-brains.de>> wrote:
> >
> >     On 08/06/18 04:19, Chris Johns wrote:
> >     > On 07/06/2018 16:11, Sebastian Huber wrote:
> >     >> On 07/06/18 07:53, Chris Johns wrote:
> >     >>> On 07/06/2018 15:39, Sebastian Huber wrote:
> >     >>>> Corresponding RTEMS commit is
> >     75933d5d25cd50f80162b7a0d2f66a5534e1763f.
> >     >>>>
> >     >>>> Update #3443.
> >     >>>> ---
> >     >>>>    misc/shgen/AUTHORS |   3 +
> >     >>>>    misc/shgen/COPYING | 340
> >     +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >     >>>>    misc/shgen/TODO    |  13 ++
> >     >>>>    misc/shgen/sci.c   | 177 ++++++++++++++++++++++++++++
> >     >>>>    misc/shgen/sci.h   |  11 ++
> >     >>>>    misc/shgen/shgen.c | 114 ++++++++++++++++++
> >     >>>>    misc/wscript       |   9 ++
> >     >>>>    7 files changed, 667 insertions(+)
> >     >>>>    create mode 100644 misc/shgen/AUTHORS
> >     >>>>    create mode 100644 misc/shgen/COPYING
> >     >>>>    create mode 100644 misc/shgen/TODO
> >     >>>>    create mode 100644 misc/shgen/sci.c
> >     >>>>    create mode 100644 misc/shgen/sci.h
> >     >>>>    create mode 100644 misc/shgen/shgen.c
> >     >>>>
> >     >>>> diff --git a/misc/shgen/AUTHORS b/misc/shgen/AUTHORS
> >     >>>> new file mode 100644
> >     >>>> index 0000000..225c2fa
> >     >>>> --- /dev/null
> >     >>>> +++ b/misc/shgen/AUTHORS
> >     >>>> @@ -0,0 +1,3 @@
> >     >>>> +Ralf Corsepius (corsepiu at faw.uni-ulm.de
> >     <mailto:corsepiu at faw.uni-ulm.de>)
> >     >>>> +    * Initial implementation
> >     >>>> +    * generator for sci bitrate table
> >     >>>> diff --git a/misc/shgen/COPYING b/misc/shgen/COPYING
> >     >>>> new file mode 100644
> >     >>>> index 0000000..8cc2ef7
> >     >>>> --- /dev/null
> >     >>>> +++ b/misc/shgen/COPYING
> >     >>>> @@ -0,0 +1,340 @@
> >     >>>> +
> >     >>>> +            GNU GENERAL PUBLIC LICENSE
> >     >>> The RTEMS tools is almost clean of GPL code. There is a small
> >     piece in the
> >     >>> rtemstoolkit I would to replace but I have not done that yet.
> >     >> The nios2gen is also GPL (the RTEMS GPL with linking
> >     exception). Is this a
> >     >> problem?
> >     > We are moving to a BSD-2 license so I assumed this is part of
> >     that change?
> >
> >     Did someone ask Kolja Waschk if he is all right with a license
> change?
> >
> >
> > Not that I know of.
> >
> >
> >     >
> >     >> The GCC, GDB and Binutils are also GPL.
> >     > They are not in this repo. It is about our repos and the
> >     compliance obligations
> >     > users have with our code base.
> >
> >     Ok, then we have a problem with the tools in the RTEMS sources
> >     repository. The shgen is GPL, the nios2gen is RTEMS GPL and the
> >     rtems-bin2c has no license at all.
> >
> >
> > If shgen is not used in the build now, then it hasn't been used for
> > over a decade. I say kill it to solve that problem.
>
> It is used by the build, see blow in my previous e-mail.
>
> >
> > Rtems-bin2c is old but from OAR. Marked it as 2 paragraph BSD and oar
> > please. I think it dates back to the original RTEMS CVS date of May 1995.
> >
> > I still have a flight and a train left. Please mark bin2c and move
> > that one along.
>
> Sorry, yes, the rtems-bin2c is all right:
>
>   * THE "BEER-WARE LICENSE" (Revision 3.1415):
>   * sandro AT sigala DOT it wrote this file. As long as you retain this
>   * notice you can do whatever you want with this stuff.  If we meet some
>   * day, and you think this stuff is worth it, you can buy me a beer in
>   * return.  Sandro Sigala
>   *
>   * Subsequently modified by Joel Sherrill <joel.sherrill at oarcorp.com>
>   * to add a number of capabilities not in the original.
>
> I really meant the packhex tool, which has this file header:
>
> /*****  P A C K H E X . C ************************************************
>   *
>   *   Packhex is a hex-file compaction utility.  It attempts to concatenate
>   *   hex records to produce more size-efficient packaging.
>   *
>   *   Limitations: Input files must be correctly formatted.  This utility
>   *                is not robust enough to detect hex-record formatting
>   *                errors.
>   *
>   *   Published:   May 1993 Embedded Systems Programming magazine
>   *                "Creating Faster Hex Files"
>   *
>   *   URL:         ESP magazine: http://www.embedded.com
>   *                Source Code:
> ftp://ftp.mfi.com/pub/espmag/1993/pakhex.zip
>   *
>   *   Author:      Mark Gringrich
>   *
>   *   Compiler:    Microsoft C 6.0
>   *                cl /F 1000 packhex.c
>   *
>
>   **************************************************************************/
>


I always assumed providing.code in a magazine like that was an acceptable
license but we are pickier now.

I have treated it as being an "as is" type license.

>
>
> >
> >     >
> >     >>> Does this tool need to move over?
> >     >> I would like to move all host tools out of the RTEMS repository
> >     to simplify the
> >     >> build. If we get rid of the host tools, then we have only to
> >     deal with the
> >     >> cross-build tools.
> >     > This is a good thing to do, thank you.
> >     >
> >     >>>    Is the sh arch active?
> >     >> I don't know.
> >     > I suggest we remove this code until someone needs it and can
> >     resolve this issue.
> >     > The code is in the 4.11 releases so is easy to find.
> >
> >     The shgen tool is used to build the gensh1 and gensh2 BSPs to
> >     generate
> >     the scitab.c source file.
>

Sorry..I missed this.

>
> >     One option to get rid of the shgen tool would be to remove the
> >     CPU_CLOCK_RATE_HZ BSP option.
>

Ok. Or retroactively deprecate in 4.11

> >
> >     >
> >     >> There was some activity on this architecture in GCC and Binutils
> >     >> recently. Some patents expired. This seemed to resurrect this
> >     architecture.
> >     >>
> >     >> https://en.wikipedia.org/wiki/SuperH
> >     >>
> >     > I saw this. Until there is some activity it is impossible to
> >     know where this
> >     > will lead.
> >
> >     The intention of my tool moves was not to obsolete a complete
> >     RTEMS port.
> >
> >     --
> >     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
> >     <mailto:sebastian.huber at embedded-brains.de>
> >     PGP     : Public key available on request.
> >
> >     Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
> >
> >     _______________________________________________
> >     devel mailing list
> >     devel at rtems.org <mailto:devel at rtems.org>
> >     http://lists.rtems.org/mailman/listinfo/devel
> >
>
> --
> 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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