Hi, did you solve this trouble? I'm having the same problem and cant imagine what is the problem (I'm learning about PRU so my knowledge about this is near 0).
Thank you El sábado, 26 de abril de 2014 04:47:36 UTC+2, stuie_...@yahoo.com.au escribió: > > Hi Forum, > > I am attempting to learn to use the PRU on the BBB. I have ubuntu-armhf > 3.8.13-bone30 kernel with gcc-armhf 3.8.13-bone30 compiler installed. > > I am following the instructions from ECE497 BeagleBone PRU at > > http://elinux.org/ECE497_BeagleBone_PRU#Building_and_Running_the_GPIO_PWM_PRU_Example > > However, when I try to compile the example I get an error message about > VFP. My system is reported as "soft". > > ubu...@ubuntu-armhf:~$ <javascript:> gcc -print-multi-lib > .; > sf;@mfloat-abi=soft > > What is the problem and what should I do to resolve it? > > Thanks > > Stuart > > ubu...@ubuntu-armhf:~$ <javascript:> git clone git:// > github.com/millerap/AM335x_PRU_BeagleBoneCloning into > 'AM335x_PRU_BeagleBone'... > remote: Reusing existing pack: 111, done. > remote: Total 111 (delta 0), reused 0 (delta 0) > Receiving objects: 100% (111/111), 248.41 KiB | 131.00 KiB/s, done. > Resolving deltas: 100% (34/34), done. > Checking connectivity... done > > ubu...@ubuntu-armhf:~$ <javascript:> cd > AM335x_PRU_BeagleBone/GPIO_PWM_PRU/interface > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU/interface$ > <javascript:> export CROSS_COMPILE="" > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU/interface$ > <javascript:> make > gcc -I. -Wall -I../include -c -g -O0 -D__DEBUG -o debug/prussdrv.o > prussdrv.c > ar rc ../lib/libprussdrvd.a debug/prussdrv.o > > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU/interface$ > <javascript:> cd ../utils/pasm_source > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU/utils/pasm_source$ > <javascript:> ./linuxbuild > > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU/utils/pasm_source$ > <javascript:> cd ../../ > ubu...@ubuntu-armhf:~/AM335x_PRU_BeagleBone/GPIO_PWM_PRU$ <javascript:> > make CROSS_COMPILE="" > > gcc -Wall -I./include -D__DEBUG -O2 -mtune=cortex-a8 -march=armv7-a -o > bin/blinker obj/blinker.o -L./lib -lprussdrv -lpthread > /usr/bin/ld: error: bin/blinker uses VFP register arguments, obj/blinker.o > does not > /usr/bin/ld: failed to merge target specific data of file obj/blinker.o > /usr/bin/ld: error: bin/blinker uses VFP register arguments, > ./lib/libprussdrv.a(prussdrv.o) does not > /usr/bin/ld: failed to merge target specific data of file > ./lib/libprussdrv.a(prussdrv.o) > collect2: error: ld returned 1 exit status > make: *** [bin/blinker] Error 1 > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
