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Compiler/TMS320F28377S: Linker issue with .const_cla section

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Part Number:TMS320F28377S

Tool/software: TI C/C++ Compiler

Hi,

I use C:\ti\c2000\C2000Ware_1_00_03_00\device_support\f2837xs\common\cmd\2837xS_FLASH_CLA_lnk_cpu1.cmd

and it compiles fine with e.g. the cla_iir2.2z_cpu01 example.

If I copy or link 2837xS_FLASH_CLA_lnk_cpu1.cmd to my own project, I get the errors

"J:/workspace/firmware/duc/device_support/f2837xs/common/cmd/2837xS_FLASH_CLA_lnk_cpu1.cmd", line 165: warning #10097:
   memory range not found: FLASHB on page 1
"J:/workspace/firmware/duc/device_support/f2837xs/common/cmd/2837xS_FLASH_CLA_lnk_cpu1.cmd", line 165: error #10265:
   no valid memory range(NULL) available for placement of ".const_cla"
"J:/workspace/firmware/duc/device_support/f2837xs/common/cmd/2837xS_FLASH_CLA_lnk_cpu1.cmd", line 165: error #10099-D:
   program will not fit into available memory.  load placement with
   alignment/blocking fails for section ".const_cla" size 0x2 page 1

As a workaround, in my own linker command file, I placed all to PAGE = 0 and all seems OK:

MEMORY
{
PAGE 0 :

    RAM4CLADATA     : origin = 0x008000, length = 0x000800  /* LS0 */

    FLASHE2J        : origin = 0x088000, length = 0x030000  /* firmware */

}


SECTIONS
{

    .scratchpad     : > RAM4CLADATA,    PAGE = 0
    .bss_cla        : > RAM4CLADATA,    PAGE = 0
    /* linker error if PAGE = 1, so RAM4CLADATA moved to PAGE = 0 */
    .const_cla      : LOAD = FLASHE2J,
                      RUN = RAM4CLADATA,
                      RUN_START(_cla_cons_run_start),
                      LOAD_START(_cla_cons_load_start),
                      LOAD_SIZE(_cla_cons_load_size),
                      PAGE = 0

}

This is similar to the suggestion in

Why does 2837xS_FLASH_CLA_lnk_cpu1.cmd not work in any case?

Are there problems when PAGE 0 is used?

Thanks,

Frank


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