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Compiler/TMS320F28075: Link error

user5868670
Prodigy 170 points

Part Number: TMS320F28075

Tool/software: TI C/C++ Compiler

Builds in debug mode compile successfully,
When in release mode, a compile error (Link error) occurs.
What can I do to avoid this error?
Error messega:
error # 10430-D: ".TI.ramfunc" section generated by __attribute__ ((ramfunc)) or --ramfunc = on requires a SECTIONS specification to function.
  • 0
    TI__Guru**** 253380 points

    Please get some background on functions in RAM by searching the C28x compiler manual for the sub-chapter titled Function Attributes, then search for ramfunc.

    The compiler option --ramfunc=on must be present in the release build configuration, and missing in the debug build configuration.

    Without regard for whether you use --ramfunc or not, your linker command file should have lines similar to these ...

    #ifdef __TI_COMPILER_VERSION__
   #if __TI_COMPILER_VERSION__ >= 15009000
    .TI.ramfunc : {} LOAD = FLASHD,
                         RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
                         LOAD_START(_RamfuncsLoadStart),
                         LOAD_SIZE(_RamfuncsLoadSize),
                         LOAD_END(_RamfuncsLoadEnd),
                         RUN_START(_RamfuncsRunStart),
                         RUN_SIZE(_RamfuncsRunSize),
                         RUN_END(_RamfuncsRunEnd),
                         PAGE = 0, ALIGN(4)
   #else
   ramfuncs            : LOAD = FLASHD,
                         RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
                         LOAD_START(_RamfuncsLoadStart),
                         LOAD_SIZE(_RamfuncsLoadSize),
                         LOAD_END(_RamfuncsLoadEnd),
                         RUN_START(_RamfuncsRunStart),
                         RUN_SIZE(_RamfuncsRunSize),
                         RUN_END(_RamfuncsRunEnd),
                         PAGE = 0, ALIGN(4)   
   #endif
#endif

    These lines are copied from this linker command file ...

    C:\ti\ccs1000\ccs\ccs_base\c2000\include\28075_FLASH_lnk.cmd

    Your installation of CCS has the same file in a similar location.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Prodigy 170 points
    I can see the same link command, but why is a link error detected?
    The following are some of the link commands.

    SECTIONS
    {
    /* Allocate program areas: */
    .cinit : > FLASHB PAGE = 0, ALIGN(4)
    .pinit : > FLASHB, PAGE = 0, ALIGN(4)
    .text : >> FLASHB | FLASHC | FLASHD | FLASHE PAGE = 0, ALIGN(4)
    codestart : > BEGIN PAGE = 0, ALIGN(4)

    #ifdef __TI_COMPILER_VERSION__
    #if __TI_COMPILER_VERSION__ >= 15009000
    .TI.ramfunc : {} LOAD = FLASHD,
    RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
    LOAD_START(_RamfuncsLoadStart),
    LOAD_SIZE(_RamfuncsLoadSize),
    LOAD_END(_RamfuncsLoadEnd),
    RUN_START(_RamfuncsRunStart),
    RUN_SIZE(_RamfuncsRunSize),
    RUN_END(_RamfuncsRunEnd),
    PAGE = 0, ALIGN(4)
    #else
    ramfuncs : LOAD = FLASHD,
    RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
    LOAD_START(_RamfuncsLoadStart),
    LOAD_SIZE(_RamfuncsLoadSize),
    LOAD_END(_RamfuncsLoadEnd),
    RUN_START(_RamfuncsRunStart),
    RUN_SIZE(_RamfuncsRunSize),
    RUN_END(_RamfuncsRunEnd),
    PAGE = 0, ALIGN(4)
    #endif
    #endif

    /* Allocate uninitalized data sections: */
    .stack : > RAMM1 PAGE = 1
    .ebss : >> RAMLS5 | RAMGS0 | RAMGS1 PAGE = 1
    .esysmem : > RAMLS5 PAGE = 1

    /* Initalized sections go in Flash */
    .econst : >> FLASHF | FLASHG | FLASHH PAGE = 0, ALIGN(4)
    .switch : > FLASHB PAGE = 0, ALIGN(4)

    .reset : > RESET, PAGE = 0, TYPE = DSECT /* not used, */

    }

    /*
    //===========================================================================
    // End of file.
    //===========================================================================