Re: [Discuss-gnuradio] Compiling GNURadio on BananaPI

[West, Nathan]

On Fri, Jan 9, 2015 at 1:37 PM, Andreas Ladanyi <address@hidden> wrote:
> I must correct a detail. The datasheet tells me that bananapi has a
> Cortex-A7.
>
> cat /proc/cpuinfo:
>
> Processor    : ARMv7 Processor rev 4 (v7l)
> processor    : 0
> BogoMIPS    : 1431.55
>
> processor    : 1
> BogoMIPS    : 1436.46
>
> Features    : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt
> CPU implementer    : 0x41
> CPU architecture: 7
> CPU variant    : 0x0
> CPU part    : 0xc07
> CPU revision    : 4
>
> Hardware    : sun7i
> Revision    : 0000
> Serial        : 0481019f5254484880485783165166d2
>
>
> Hi,
>
> iam trying to compile GNURadio with the build-gnuradio script. Iam running a
> BananaPi (armv7 / cortex-a9) with the last raspian image for the Pi.
>
> The building process showed me two error messages. One message was that
> cmake is below 2.8.10. So i compiled and installed the last cmake 3.1 from
> source. The message is gone.
>
> When gnuradio is building i get this message:
>
> Scanning dependencies of target volk
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_32f_dot_prod_32fc_a_neonasmpipeline.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_x2_dot_prod_32fc_neonasm.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_x2_dot_prod_32fc_neonasm_opttests.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_32f_dot_prod_32fc_a_neonasm.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_s32f_multiply_32f_neonasm.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_32f_dot_prod_32fc_unrollasm.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_16i_max_star_horizontal_16i.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_add_32f_a_neonasm.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32fc_32f_dot_prod_32fc_a_neonasmvmla.s.o
> [  2%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_add_32f_a_neonpipeline.s.o
> [  3%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o
> /home/bananapi/gnuradio/gnuradio/volk/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s:
> Assembler messages:
> /home/bananapi/gnuradio/gnuradio/volk/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s:46:
> Error: selected processor does not support ARM mode `sbfx r11,r1,#2,#1'
> volk/lib/CMakeFiles/volk.dir/build.make:1519: recipe for target
> 'volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o'
> failed
> make[2]: ***
> [volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o]
> Error 1
> CMakeFiles/Makefile2:164: recipe for target
> 'volk/lib/CMakeFiles/volk.dir/all' failed
> make[1]: *** [volk/lib/CMakeFiles/volk.dir/all] Error 2
> Makefile:147: recipe for target 'all' failed
> make: *** [all] Error 2
> make failed
>
>
> I found the "native compiling" part at
> http://gnuradio.org/redmine/projects/gnuradio/wiki/Embedded and tried out:
>
> cmake [other options] -DCMAKE_C_FLAGS="-march=armv7-a -mthumb-interwork
> -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9"
> -DCMAKE_ASM_FLAGS="-march=armv7-a -mthumb-interwork -mfloat-abi=hard
> -mfpu=neon" <source dir>
>
>
> The result is:
>
> [  1%] Building ASM object
> volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o
> /home/bananapi/gnuradio/gnuradio/volk/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s:
> Assembler messages:
> /home/bananapi/gnuradio/gnuradio/volk/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s:46:
> Error: selected processor does not support ARM mode `sbfx r11,r1,#2,#1'
> volk/lib/CMakeFiles/volk.dir/build.make:1519: recipe for target
> 'volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o'
> failed
> make[2]: ***
> [volk/lib/CMakeFiles/volk.dir/__/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_neonasm_opts.s.o]
> Error 1
> CMakeFiles/Makefile2:164: recipe for target
> 'volk/lib/CMakeFiles/volk.dir/all' failed
> make[1]: *** [volk/lib/CMakeFiles/volk.dir/all] Error 2
> Makefile:147: recipe for target 'all' failed
> make: *** [all] Error 2
>
>
>
> Any ideas ?
>
> cheers,
> Andreas
>

I don't know that it's a definite fix for this, but I was going to
suggest making sure the tune settings fit your processor. If that's
not the case we can look around for a suitable change. Keep us
updated.

Nathan