[PATCH 3/6] shgen: Import from RTEMS

[Sebastian Huber]

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)
>>>> +    * 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?

>
>> 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.

>
>>> 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.

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

>
>> 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
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