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TMS320F280049: F28004x CLA Embedded coder memory allocation errors

Part Number: TMS320F280049

Hi,

  Im trying to get code that was working in the F28069 MCU and do a build in matlab R2020b for the F280049M chip.  I do realize for this version of matlab that the CLA can only be built in non-external mode.

The “cla_subsystem” trigger function code generation is set to the following:

  • Function packaging: non-reusable function
  • Memory sections set to Cla1DataRam
  • Using a custom linker command file as identified below.

I’m running into the following error even though the same contents fit within the Cla1ToCpuMsgRam in the F28069 fine:

warning: creating output section "Cla1DataRam0" without a SECTIONS

   specification

"C:/svn/test_280049/trunk/28004x_cla_flash_lnk.cmd", line 114: error: program

   will not fit into available memory.  run placement with alignment/blocking

   fails for section "Cla1ToCpuMsgRAM" size 0xb0 page 1.  Available memory

   ranges:

   CLA1_MSGRAMLOW   size: 0x7f         unused: 0x7f         max hole: 0x7f     

 

Is there something in the linker file I need to change?  I used a std linker command file that came with TI for the f28004x and grouped together sections to get through some compilation errors.

Latest linker command file:

 

MEMORY

{

PAGE 0 :

   /* BEGIN is used for the "boot to SARAM" bootloader mode   */

 

   BEGIN            : origin = 0x084000, length = 0x000002

   APPHDR           : origin = 0x084002, length = 0x00000C

   RAMM0            : origin = 0x0000F6, length = 0x00030A

   RAMLS0           : origin = 0x008000, length = 0x000800

   RAMLS1_7         : origin = 0x008800, length = 0x0037F8

 

   RESET            : origin = 0x3FFFC0, length = 0x000002

 

/* Flash sectors */

   /* BANK 0 */

   FLASH_BANK0_SEC0_RSVD   : origin = 0x08000E, length = 0x000FF2   /* on-chip Flash */

   FLASH_BANK0_SEC1_RSVD   : origin = 0x081000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK0_SEC2_RSVD   : origin = 0x082000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK0_SEC3_RSVD   : origin = 0x08300E, length = 0x000FF2   /* on-chip Flash */

   FLASH_BANK0_SEC415      : origin = 0x08400E, length = 0x00BFF1

 

   /* BANK 1 */

   FLASH_BANK1_SEC0_RSVD   : origin = 0x090000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC1_RSVD   : origin = 0x091000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC2_RSVD   : origin = 0x092000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC3_RSVD   : origin = 0x093000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC4_RSVD   : origin = 0x094000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC5_RSVD   : origin = 0x095000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC6_RSVD   : origin = 0x096000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC7_RSVD   : origin = 0x097000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC8_RSVD   : origin = 0x098000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC9_RSVD   : origin = 0x099000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC10_RSVD  : origin = 0x09A000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC11_RSVD  : origin = 0x09B000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC12_RSVD  : origin = 0x09C000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC13_RSVD  : origin = 0x09D000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC14_RSVD  : origin = 0x09E000, length = 0x001000   /* on-chip Flash */

   FLASH_BANK1_SEC15_RSVD  : origin = 0x09F000, length = 0x001000   /* on-chip Flash */

 

 

PAGE 1 :

 

   BOOT_RSVD       : origin = 0x000002, length = 0x0000F3     /* Part of M0, BOOT rom will use this for stack */

   RAMM0           : origin = 0x0000F5, length = 0x00030B

   RAMM1           : origin = 0x000400, length = 0x000400     /* on-chip RAM block M1 */

 

   RAMLS0_TAGS     : origin = 0x008000, length = 0x000004

   RAMLS0          : origin = 0x008004, length = 0x0007FC

   RAMLS1_7         : origin = 0x008800, length = 0x0037F8

 

   RAMGS0           : origin = 0x00C000, length = 0x002000

   RAMGS1           : origin = 0x00E000, length = 0x002000

   RAMGS2           : origin = 0x010000, length = 0x002000

   RAMGS3           : origin = 0x012000, length = 0x001FF8

//   RAMGS3_RSVD      : origin = 0x013FF8, length = 0x000008     /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

 

   CLA1_MSGRAMLOW   : origin = 0x001480, length = 0x00007F

   CLA1_MSGRAMHIGH  : origin = 0x001500, length = 0x00007F

}

 

 

SECTIONS

{

   .cinit           : > FLASH_BANK0_SEC1_RSVD,     PAGE = 0, ALIGN(4)

   .text            : >>FLASH_BANK0_SEC415,   PAGE = 0, ALIGN(4)

   codestart        : > BEGIN,     PAGE = 0, ALIGN(4), { __APP_ENTRY = .;}

 

   .stack           : > RAMM1        PAGE = 1

   .switch          : > FLASH_BANK0_SEC1_RSVD,     PAGE = 0, ALIGN(4)

 

#if defined(__TI_EABI__)

   .init_array      : > FLASH_BANK0_SEC1_RSVD,       PAGE = 0,       ALIGN(4)

   .bss             : > RAMLS1_7,       PAGE = 1

   .bss:output      : > RAMLS1_7,       PAGE = 1

   .bss:cio         : > RAMLS1_7,       PAGE = 1

   .data            : > RAMLS1_7,       PAGE = 1

   .sysmem          : > RAMLS1_7,       PAGE = 1

   .const           : > FLASH_BANK0_SEC415,       PAGE = 0,       ALIGN(4)

#else

   .pinit           : > FLASH_BANK0_SEC1_RSVD,       PAGE = 0,       ALIGN(4)

   .ebss            : >>RAMLS1_7,       PAGE = 1

   .esysmem         : > RAMLS1_7,       PAGE = 1

   .cio             : > RAMLS1_7,       PAGE = 1

   .econst          : > FLASH_BANK0_SEC415,    PAGE = 0, ALIGN(4)

#endif

 

   ramgs0           : > RAMGS0,    PAGE = 1

   ramgs1           : > RAMGS1,    PAGE = 1

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

 

   dclfuncs         : > FLASH_BANK0_SEC1_RSVD,     PAGE = 0, ALIGN(4)

 

 

#if defined(__TI_EABI__)

    /* CLA specific sections */

    Cla1Prog        : LOAD = FLASH_BANK0_SEC415,

                      RUN = RAMLS0,

                      LOAD_START(_Cla1funcsLoadStart),

                      RUN_START(_Cla1funcsRunStart),

                      LOAD_SIZE(_Cla1funcsLoadSize),

                      PAGE = 0, ALIGN(4)

#else

    /* CLA specific sections */

    Cla1Prog        : LOAD = FLASH_BANK0_SEC415,

                      RUN = RAMLS0,

                      LOAD_START(_Cla1ProgLoadStart),

                      RUN_START(_Cla1ProgRunStart),

                      LOAD_SIZE(_Cla1ProgLoadSize),

                      PAGE = 0, ALIGN(4)

#endif

 

   

    Cla1ToCpuMsgRAM  : > CLA1_MSGRAMLOW,   PAGE = 1

    CpuToCla1MsgRAM  : > CLA1_MSGRAMHIGH,  PAGE = 1

 

#if defined(__TI_EABI__)

   .TI.ramfunc      : LOAD = FLASH_BANK0_SEC1_RSVD,

                      RUN = RAMLS1_7

                      LOAD_START(RamfuncsLoadStart),

                      LOAD_SIZE(RamfuncsLoadSize),

                      LOAD_END(RamfuncsLoadEnd),

                      RUN_START(RamfuncsRunStart),

                      RUN_SIZE(RamfuncsRunSize),

                      RUN_END(RamfuncsRunEnd),

                      PAGE = 0, ALIGN(4)

#else

   .TI.ramfunc      : LOAD = FLASH_BANK0_SEC1_RSVD,

                      RUN = RAMLS1_7

                      LOAD_START(_RamfuncsLoadStart),

                      LOAD_SIZE(_RamfuncsLoadSize),

                      LOAD_END(_RamfuncsLoadEnd),

                      RUN_START(_RamfuncsRunStart),

                      RUN_SIZE(_RamfuncsRunSize),

                      RUN_END(_RamfuncsRunEnd),

                      PAGE = 0, ALIGN(4)

#endif

 

   .scratchpad      : > RAMLS1_7,           PAGE = 1

   .bss_cla         : > RAMLS1_7,           PAGE = 1

 

   Cla1DataRam      : > RAMLS1_7,           PAGE = 1

   cla_shared       : > RAMLS1_7,           PAGE = 1

   CLADataLS1       : > RAMLS1_7,           PAGE = 1

 

#if defined(__TI_EABI__)

   .const_cla      : LOAD = FLASH_BANK0_SEC2_RSVD,

                      RUN = RAMLS1_7,

                      RUN_START(Cla1ConstRunStart),

                      LOAD_START(Cla1ConstLoadStart),

                      LOAD_SIZE(Cla1ConstLoadSize),

                      PAGE = 0, ALIGN(4)

#else

   .const_cla      : LOAD = FLASH_BANK0_SEC2_RSVD,

                      RUN = RAMLS1_7,

                      RUN_START(_Cla1ConstRunStart),

                      LOAD_START(_Cla1ConstLoadStart),

                      LOAD_SIZE(_Cla1ConstLoadSize),

                      PAGE = 0, ALIGN(4)

#endif

}

 

/*

//===========================================================================

// End of file.

//===========================================================================

*/

  • Hi,

    Cla1DataRam0 is not a standard compiler generated section. In your application you probably have this section defined using #pragma DATA_SECTION.

    You need to add this in your linker cmd file and mention the RAM block where this needs to be allocated.

    Regards,

    Veena