On 05/08/2018 04:13 PM, Brad Hein wrote: > Hi Philip, > > How do I go a out trying an alternative as you suggest?
I have a note to do a blog post on building an aarch64 image with OpenEmbedded, but paying work is interfering. It is fairly straight forward the meta-raspberrypi bsp is very good. Philip > > Thanks! > > [Sent from mobile device] > > On Tue, May 8, 2018, 6:07 PM Philip Balister <phi...@balister.org> wrote: > >> I'm not that familiar wit Raspian, but my impression is that it is >> binary compatible with the original Pi, which has no neon support. The >> volk code didn't handle this gracefully until recently. >> >> That said, The Pi 3 does support neon and better. For the Pi-3, I'd use >> something built to take advantage of the better processor. >> >> Philip >> >> >> On 05/08/2018 11:08 AM, Brad Hein wrote: >>> On a new Raspberry Pi 3, running Raspbian, all apt-get package updates >>> loaded, I'm encountering an error compiling gnuradio (branch: master). I >>> made one modification from the default source code, and that is the >> neonasm >>> patch to fix a different compile error with a missing instruction on the >>> Pi. >>> >>> Has anybody encountered the ARM mode error mentioned below or know what I >>> can do to push past it? >>> >>> >>> $ git diff HEAD~1 >>> diff --git >>> a/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s >>> b/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s >>> index e4002b8..37dcd75 100644 >>> --- a/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s >>> +++ b/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s >>> @@ -43,7 +43,12 @@ volk_32f_x2_dot_prod_32f_a_neonasm_opts: >>> vadd.f32 s15, s15, s13 >>> vadd.f32 s15, s15, s14 >>> bls .done @ if vector is multiple of 16 then finish >>> - sbfx r11, r1, #2, #1 @ check alignment >>> +@ BH >>> >> https://lists.gnu.org/archive/html/discuss-gnuradio/2016-01/msg00234.html >>> +@ sbfx r11, r1, #2, #1 @ check alignment >>> + mov r11,#0 >>> + tst r1,#4 >>> + movne r11,#15 >>> +# BH END OF PATCH >>> rsb r9, r8, r3 >>> and r11, r11, #3 >>> mov r6, r1 >>> >>> >>> >>> $ cat /etc/debian_version >>> 8.0 >>> >>> >>> $ uname -a >>> Linux redwave 4.9.35-v7+ #1014 SMP Fri Jun 30 14:47:43 BST 2017 armv7l >>> GNU/Linux >>> >>> $ gnuradio branch: master (82d0a6b) >>> * 82d0a6b -(4 weeks ago) gr-newmod: Pylint fixes in python scripts . >>> Swapnil Negi (HEAD, origin/master, origin/HEAD, master) >>> >>> >>> >>> Error output follows: >>> >>> [ 0%] Building C object >>> volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o >>> In file included from >>> /home/pi/gr/gnuradio/build/volk/lib/volk_machine_neon_hardfp_orc.c:130:0: >>> /home/pi/gr/gnuradio/volk/kernels/volk/volk_32fc_s32fc_multiply_32fc.h: >> In >>> function ‘volk_32fc_s32fc_multiply_32fc_neon’: >>> >> /home/pi/gr/gnuradio/volk/kernels/volk/volk_32fc_s32fc_multiply_32fc.h:282:16: >>> warning: unused variable ‘cPtr’ [-Wunused-variable] >>> lv_32fc_t* cPtr = cVector; >>> ^ >>> /tmp/ccWuy8Qj.s: Assembler messages: >>> /tmp/ccWuy8Qj.s:7707: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7718: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7725: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7732: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7740: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7747: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7754: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7761: Error: selected processor does not support ARM mode >>> `rbit r4,r4' >>> /tmp/ccWuy8Qj.s:7789: Error: selected processor does not support ARM mode >>> `rbit ip,ip' >>> volk/lib/CMakeFiles/volk_obj.dir/build.make:2572: recipe for target >>> 'volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o' >> failed >>> make[2]: *** >>> [volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o] >> Error 1 >>> CMakeFiles/Makefile2:178: recipe for target >>> 'volk/lib/CMakeFiles/volk_obj.dir/all' failed >>> make[1]: *** [volk/lib/CMakeFiles/volk_obj.dir/all] Error 2 >>> Makefile:160: recipe for target 'all' failed >>> make: *** [all] Error 2 >>> >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >> > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
