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Original question:

RTOS/TMS320C6413: DSP BIOS configuration file

RTOS/TMS320C6747: Config file build error with compiler 7.4.24

Marshall Schiring
Intellectual 745 points
Part Number: TMS320C6747


Tool/software: TI-RTOS

Please see related thread, link provided here: https://e2e.ti.com/support/processors/f/791/p/710939/2640854#pi320966=1

I'm having nearly the exact same symptoms with CCSv8.3 attempting to upgrade a project from CCSv7 to the latest tools. The project fails to build with compiler 7.4.24 with 27 errors in Bioscfg.obj about invalid constant specification and a remark showing a line changed due to symbol substitution where it looks like some strings got replaced (probably related to the avgformat workaround).

>> Compilation failure
bsp/subdir_rules.mk:33: recipe for target 'Bioscfg.obj' failed
"Bioscfg.s62", ERROR!   at line 3051: [E0003] Invalid constant specification
		SWI_Obj 1, KNL_swi, 0, _function, _pri, _mailbox, _arg0, _arg1, _dorta, _Order, _filter, _maxformat, _sumformat, _avgformat, _filtmaxmult, _filtsummult, _unittype
 
"Bioscfg.s62", REMARK   at line 3051: [R0001] After symbol substitution the line became:
		SWI_Obj 1, KNL_swi, 0, _KNL_run, 00H, 00H, 00H, 00H, 01H, 00H, 02H, %g inst, %g inst, %.2f inst, _filtmaxmult, _filtsummult, _unittype

If I attempt to build the project with 7.4.23 the project builds fine. After a successful build with 7.4.23, the project will build fine with 7.4.24. Doing a diff on a project that won't build and an identical project that will build shows no differences in Bioscfg.s62. I could not find a relevant difference between the two projects other than the .cproject file.

I don't see any accepted open defects found with compiler 7.4.24 and there wasn't really a resolution to the linked thread other than using 7.4.23, is this the accepted answer?

  • 0
    TI__Mastermind 27355 points
    Hello Marshall,

    I'm looping in the compiler team to help with your issue.

    Regards,
    Sahin
  • 0
    TI__Guru**** 250410 points

    I need to reproduce the problem. In this case, I need the full CCS project.  Please create a zip file as described in the article Sharing Projects, then attach it to your next post.  

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Intellectual 745 points

    I can reproduce something similar by following the instructions by Judah here: https://e2e.ti.com/support/processors/f/791/p/710939/2634999#2634999 It appears Judah had success but also used compiler v7.4.18.

    1. New CCS project
    2. Select Generic C674x device
    3. DSP/BIOS v5.xx Examples
      1. sim6416 examples
      2. hello example
    4. change compiler version to 7.4.24
    5. name project
    6. click finish
    7. Open project properties and verify compiler version is 7.4.24 (mine had changed to 8.x.x), apply changes.
      1. Make sure you don't accidentally build with another version first as I have found this fixes the issue. In other words if I build with compiler version 7.4.23 and then change to compiler version 7.4.24 it will perform a full rebuild but succeed.
      2. Don't know if this matters but I use legacy COFF output format and little endian. DSP/BIOS v5.42.2.10

    8. Build debug

    I get a lot of errors similar to what are reported in the related thread and my own project:

    "hellocfg.s62", ERROR!   at line 887: [E0003] Invalid constant specification
		SWI_Obj 1, KNL_swi, 0, _function, _pri, _mailbox, _arg0, _arg1, _dorta, _Order, _filter, _maxformat, _sumformat, _avgformat, _filtmaxmult, _filtsummult, _unittype
 
"hellocfg.s62", REMARK   at line 887: [R0001] After symbol substitution the line became:
		SWI_Obj 1, KNL_swi, 0, _KNL_run, 00H, 00H, 00H, 00H, 01H, 00H, 02H, %g inst, %g inst, %.2f inst, _filtmaxmult, _filtsummult, _unittype

    hello.zip

  • 0 in reply to Marshall Schiring
    TI__Guru**** 250410 points

    I should have noticed earlier that you say ...

    Marshall Schiring said:
    I use legacy COFF output format

    Version 7.4.24 of the C6000 compiler is the last version which supports COFF.  All further versions support EABI (ELF object format) only.  There are no plans for further COFF support.  Is it practical for you to use version 7.4.23 as a long term solution?

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Intellectual 745 points

    George Mock said:
    Is it practical for you to use version 7.4.23 as a long term solution?

    Yes, this is fine and will be our plan going forward.