Overriding linkcmds?

[Gedare Bloom]

Thanks for the report. I wonder if there is an easy way to put an
example of this custom linkscript in the examples-v2 repository.
Possibly not, considering the linkscript is hardware-dependent.

-Gedare

On Fri, Feb 7, 2014 at 1:46 AM, James Fitzsimons
<james.fitzsimons at gmail.com> wrote:
> Hi all,
>
> I can report that using CFLAGS_FOR_TARGET worked. e.g
>
> CFLAGS_FOR_TARGET+=-qnolinkcmds -T $(exec_prefix)/mrm332/lib/linkcmds_ROM
>
> Will now use the ROM linker script instead of the RAM linker script which
> has the default name linkcmds
>
> Cheers,
> James
>
>
> On 7 February 2014 10:03, James Fitzsimons <james.fitzsimons at gmail.com>
> wrote:
>>
>> Thanks for your replies guys,
>>
>> Sebastian - I'll see if I can figure out how to work that into my
>> makefile. I suppose I could try using the CFLAGS_FOR_TARGET again like I did
>> with the header include path....
>>
>> Peter - I'm targeting a M68332 (specifically the mrm332 bsp). Ideally I'd
>> like a simple makefile switch I can turn on or off to target RAM or ROM, but
>> if it's too difficult I'll just cheat and rename my linker scripts depending
>> on where I want to load my code to.
>>
>> Cheers,
>> James Fitzsimons
>>
>>
>> On 7 February 2014 00:41, Peter Dufault <dufault at hda.com> wrote:
>>>
>>> What target are you using?  On the MPC5554 I use the MMU to swap the
>>> flash and the RAM so it winds up being the same image.  Of course it means
>>> my development system needs to be loaded with RAM.
>>>
>>> On Feb 6, 2014, at 04:37 , James Fitzsimons <james.fitzsimons at gmail.com>
>>> wrote:
>>>
>>> Hi all,
>>>
>>> I'm slowly trying to figure out the RTEMS build process and how to bend
>>> it to my will!
>>>
>>> I have two linker scripts, one for running out of RAM, and one for
>>> running out of ROM.
>>>
>>> Is there anyway to override which linker file will be used in your
>>> makefile?
>>>
>>> I found the following in my gcc-target-default.cfg
>>>
>>> #
>>> # Allow user to override link commands (to build a prom image, perhaps)
>>> #
>>> ifndef LINKCMDS
>>> LINKCMDS=$(PROJECT_RELEASE)/lib/linkcmds
>>> endif
>>>
>>> But overriding LINKCMDS and specifying a different linker script in my
>>> makefile didn't work.
>>>
>>> Any advice would be gratefully received.
>>>
>>> Thanks and regards,
>>> James Fitzsimons
>>> _______________________________________________
>>> rtems-users mailing list
>>> rtems-users at rtems.org
>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>>
>>>
>>> Peter
>>> -----------------
>>> Peter Dufault
>>> HD Associates, Inc.      Software and System Engineering
>>>
>>
>
>
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