[fpc-pascal] Embedded ARM system unit

Florian Klaempfl florian at freepascal.org
Wed Aug 24 10:31:49 CEST 2005

Michael Van Canneyt wrote:

> On Wed, 24 Aug 2005, Florian Klaempfl wrote:
>> Marco van de Voort wrote:
>>>> I am in the first stage of creating a system unit for
>>>> Embedded ARM. Things are working but I get a lot of
>>>> Warnings and Hints (See some of them below).
>>>> Should I be worried about this?
>>> I see no troubling ones. THe first few mean that generic might not be
>>> 64-bit
>>> clean, but are probably false. (since generic.inc is used for the
>>> 64-bit ports too),
>>> the others are simply unused Unix symbols. This is normal, because
>>> these includefiles
>>> are also used in a few other places (like baseunix), where they _are_
>>> used.
>> Maybe we should think about a generic embedded rtl which is
>> configurable what's
>> included.
> I think this is a good idea. Maybe create a system unit which has simply
> a set
> of handlers (very much like the Managers we use for heap, widestring
> etc) which can be set by a drop-in unit. We can then provide a drop-in
> unit which creates a set of handlers based on the C library.
> If a handler is not implemented, the unit can simply throw an error.
> Even this could be handled by the drop-in unit...

No, I meant simply with an include file with defines like:

An embedded system needs no managers.

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