RKI Build Error - rtems_clock_get not available on 4.12

Alan Cudmore alan.cudmore at gmail.com
Sun Apr 24 03:51:37 UTC 2016 

I pushed changes to the RKI repo. I can build it with RTEMS 4.12 tools and the RTEMS Git head now, but I have not tested it.  I did not get the link error below. 

Alan



> On Apr 22, 2016, at 1:49 PM, Alan Cudmore <alan.cudmore at gmail.com> wrote:
> 
> Hi,
> I’ll take a look at this soon. I built a set of 4.11 tools and the 4.11 branch of RTEMS, then I verified that I can still build and run the RKI image on the Raspberry Pi. 
> Next, I’m going to tag RKI as a 4.11 branch, then try to fix it for the 4.12/head of RTEMS. 
> 
> I should have some additions to the RKI after that. I have been writing some i2c device drivers for the Raspberry Pi Sense Hat ( new linux i2c API ) , and I was trying to get an SPI device to work on the Pi. 
> 
> Alan
> 
>> On Apr 22, 2016, at 12:35 PM, Olufowobi, Habeeb <habeeb.olufowobi at bison.howard.edu <mailto:habeeb.olufowobi at bison.howard.edu>> wrote:
>> 
>> Hi,
>> 
>> I applied the fix that Pavel suggested but got the error below.
>> 
>>  arm-rtems4.12-gcc  -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard -mtune=cortex-a7  --pipe -B/home/dipupo/development/rtems/kernel/builds/b-rpi/arm-rtems4.12/raspberrypi/lib -specs bsp_specs -qrtems -Wall   -o legacy-build/arm-rtems4.12-raspberrypi/rki.elf legacy-build/arm-rtems4.12-raspberrypi/init.o legacy-build/arm-rtems4.12-raspberrypi/rtems_net.o legacy-build/arm-rtems4.12-raspberrypi/rtems_net_svc.o legacy-build/arm-rtems4.12-raspberrypi/local_shell_cmds.o legacy-build/arm-rtems4.12-raspberrypi/filesys.o legacy-build/arm-rtems4.12-raspberrypi/ramdisk.o legacy-build/arm-rtems4.12-raspberrypi/nvramdisk.o legacy-build/arm-rtems4.12-raspberrypi/task_cmd.o legacy-build/arm-rtems4.12-raspberrypi/hello_cmd.o legacy-build/arm-rtems4.12-raspberrypi/dhrystone_cmd.o legacy-build/arm-rtems4.12-raspberrypi/whetstone_cmd.o legacy-build/arm-rtems4.12-raspberrypi/benchmarks.o legacy-build/arm-rtems4.12-raspberrypi/tarfile.o -lm
>> /home/dipupo/development/rtems/4.12/lib/gcc/arm-rtems4.12/6.0.0/../../../../arm-rtems4.12/bin/ld: error: legacy-build/arm-rtems4.12-raspberrypi/rki.elf uses VFP register arguments, /home/dipupo/development/rtems/kernel/builds/b-rpi/arm-rtems4.12/raspberrypi/lib/librtemsbsp.a(libbsp_a-bootcard.o) does not
>> /home/dipupo/development/rtems/4.12/lib/gcc/arm-rtems4.12/6.0.0/../../../../arm-rtems4.12/bin/ld: failed to merge target specific data of file /home/dipupo/development/rtems/kernel/builds/b-rpi/arm-rtems4.12/raspberrypi/lib/librtemsbsp.a(libbsp_a-bootcard.o)
>> 
>> Kindly advice.
>> 
>> Regards,
>> Habeeb
>> 
>> On Thu, Apr 21, 2016 at 6:51 AM, Alan Cudmore <alan.cudmore at gmail.com <mailto:alan.cudmore at gmail.com>> wrote:
>> I should be able to update my RKI repository soon.. I’m building the latest tools and RTEMS repo now.
>> 
>> Alan
>> 
>> > On Apr 21, 2016, at 6:14 AM, Pavel Pisa <ppisa4lists at pikron.com <mailto:ppisa4lists at pikron.com>> wrote:
>> >
>> > Hello Habeeb,
>> >
>> > rtems_clock_get() has been obsoleted long time ago
>> > and has been removed in
>> >
>> >    e65c45c4b6cf6dfb485bef48385e39969de8b361
>> >    Obsolete rtems_clock_get() directive.
>> >
>> >    This service was marked as deprecated long prior to the 4.11 release
>> >    series and is now being removed.
>> >
>> >    closes #2676.
>> >
>> >
>> > You should rewrite code as
>> >
>> >   rtems_interval ticks;
>> > -  rtems_clock_get(RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,&ticks);
>> > +  ticks = rtems_clock_get_ticks_since_boot();
>> >
>> >
>> > If you need to be compatible even with very old RTEMS versions, probably
>> > pre-4.9, you can use
>> >
>> >   rtems_interval ticks;
>> >  #ifndef RTEMS_CLOCK_GET_TICKS_SINCE_BOOT
>> >   ticks = rtems_clock_get_ticks_since_boot();
>> >  #else /*RTEMS_CLOCK_GET_TICKS_SINCE_BOOT*/
>> >   rtems_clock_get(RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,&ticks);
>> >  #endif /*RTEMS_CLOCK_GET_TICKS_SINCE_BOOT*/
>> >
>> > Best wishes,
>> >
>> >               Pavel
>> >
>> >
>> > On Thursday 21 of April 2016 02:50:55 Olufowobi, Habeeb wrote:
>> >> Hi,
>> >>
>> >> I am trying to build RKI for Raspberrypi but I have been getting this error
>> >> message:
>> >>
>> >>
>> >> arm-rtems4.12-gcc
>> >> -Wa,-a=legacy-build/arm-rtems4.12-raspberrypi/task_cmd.lis -march=armv7-a
>> >> -mthumb -mfpu=neon -mfloat-abi=hard -mtune=cortex-a7 -D__ARM__   --pipe
>> >> -B/home/dipupo/development/rtems/kernel/builds/b-rpi/arm-rtems4.12/raspberr
>> >> ypi/lib -specs bsp_specs -qrtems -Wall  -I. -Iinclude/  -I. -g -O2  -c -o
>> >> legacy-build/arm-rtems4.12-raspberrypi/task_cmd.o task_cmd.c
>> >> task_cmd.c: In function 'get_ticks_per_second':
>> >> task_cmd.c:23:10: warning: implicit declaration of function
>> >> 'rtems_clock_get' [-Wimplicit-function-declaration]
>> >>   (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND,
>> >> &ticks_per_second );  return ticks_per_second;
>> >>          ^~~~~~~~~~~~~~~
>> >> task_cmd.c:23:27: error: 'RTEMS_CLOCK_GET_TICKS_PER_SECOND' undeclared
>> >> (first use in this function)
>> >>   (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND,
>> >> &ticks_per_second );  return ticks_per_second;
>> >>                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> >>
>> >>
>> >> The line associated with this message in the task_cmd.c is
>> >>
>> >> {
>> >>  rtems_interval ticks_per_second;
>> >>  (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND,
>> >> &ticks_per_second );  return ticks_per_second;
>> >> }
>> >>
>> >>
>> >> Any ideas on how I can fix this?
>> >>
>> >> Thanks.
>> >>
>> >> Best regards,
>> >> Habeeb
>> >
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>> 
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