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Compiler/TM4C129XNCZAD: How do I enable multi-thread support for run-time library?

Dave Hohl
Expert 2315 points
Part Number: TM4C129XNCZAD

Tool/software: TI C/C++ Compiler

I am porting some TM4C129X-based C-language code to CCS. The code uses the uC/OS-II RTOS. On a previous project that used the IAR compiler, I had to enable a thread-safe version of the run-time library via a linker option, as well as provide mutex functions for locking/unlocking. I have searched for a similar option in the Compiler manual, as well as in the forum, but so far have not been able to find any information on it. 

Single-stepping through the malloc/free code shows that the _Lock() function is currently just a NOP instruction. How can I configure multi-thread support?

Regards,

Dave

  • 0
    TI__Guru**** 243690 points

    The TI ARM compiler does not supply a thread safe variant of the RTS library.  That said, the RTS library does offer rudimentary support for multi-threaded reentrancy by providing support for critical sections.  For details, please see the section of the ARM compiler manual titled Handling Reentrancy.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Expert 2315 points
    Thanks, George! I was able to get the custom lock/unlock functions registered using the info you pointed me to.

    Regards,

    Dave