Yes I'll work on it and send you a patch with conditional preprocessors.
On Sat, Jul 27, 2013 at 3:06 AM, Ashton Mason <a...@ashtonmason.net> wrote: > Hi guys > > Yes that line is no doubt the culprit; The 'pause' is intended to help > prevent a spinning thread from burning a core that could be used instead by > another thread (or hyperthread). I'm not sure what the equivalent is on ARM > processors (if any). > > Certainly commenting it out is one easy way around it; the #ifdef > __X86_64__ seems reasonable; there might even be an ARM equivalent we could > conditionally use instead. > > Ash > > > > On 26 July 2013 20:29, Josh Blum <j...@joshknows.com> wrote: > >> >> >> On 07/26/2013 07:57 AM, Manoj Gudi wrote: >> > We've been successful in building dependencies for gnuradio on armv7 >> > platform, however while building GRAS, we got this error: >> > >> >> This line is probably the culprit. >> >> https://github.com/captaintrash/theron/blob/master/Include/Theron/Detail/Threading/Utils.h#L163 >> >> The thread pools can operate on condition variables or spin locks. For >> the spin lock implementation, there is a "pause" instruction -- >> obviously not applicable on arm. I think you can simply comment this out >> to get things rolling. >> >> Supposing this is the issue. What is the recommended fix... just a >> simple #ifdef __X86_64__ around this line? >> >> -josh >> >> > *Scanning dependencies of target gras >> > [ 13%] Building CXX object >> > lib/CMakeFiles/gras.dir/__/Theron/Theron/Receiver.cpp.o >> > [ 13%] Generating GrExtras_Ops.pyc >> > [ 13%] Generating GrExtras_Ops.pyo >> > make[2]: warning: Clock skew detected. Your build may be incomplete. >> > [ 13%] Built target pygen_python_grextras_da046 >> > [ 13%] Swig source >> > /tmp/ccONtg2w.s: Assembler messages: >> > /tmp/ccONtg2w.s:3234: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:3243: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:3266: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:3275: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:3406: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:3415: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4479: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4488: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4511: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4520: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4540: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4549: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4677: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4686: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4735: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4744: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4816: Error: bad instruction `pause' >> > /tmp/ccONtg2w.s:4825: Error: bad instruction `pause' >> > make[2]: Warning: File `/usr/include/python2.7/Python.h' has >> modification >> > time 4.1e+08 s in the future >> > [ 13%] Building CXX object >> > PMC/python/PMC/CMakeFiles/_PMCBool.dir/PMCBoolPYTHON_wrap.cxx.o >> > /home/aakash/gras/build/PMC/python/PMC/PMCBoolPYTHON_wrap.cxx: In >> function >> > 'void SWIG_InitializeModule(void*)': >> > /home/aakash/gras/build/PMC/python/PMC/PMCBoolPYTHON_wrap.cxx:3433:21: >> > warning: statement has no effect [-Wunused-value] >> > * >> > >> > In my opinion this is an assembler issue for armV7, but I've got no >> leads >> > on how to solve this. Will mapping this instruction with an equivalent >> > assembly instruction for armV7 work? >> > >> > Here's /proc/cpuinfo >> > *$ cat /proc/cpuinfo >> > Processor : ARMv7 Processor rev 2 (v7l) >> > BogoMIPS : 1001.88 >> > Features : swp half thumb fastmult vfp edsp neon vfpv3 >> > CPU implementer : 0x41 >> > CPU architecture: 7 >> > CPU variant : 0x3 >> > CPU part : 0xc08 >> > CPU revision : 2 >> > >> > Hardware : sun5i >> > Revision : 0000 >> > Serial : 0000000000000000 >> > * >> > OS version: Linaro image 13.06 >> > Kernel: linux-sunxi 3.0.62+ >> > >> > >
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