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LP-MSPM0G3519: eraseLoadFlashSize and eraseLoadFlashStart definition is missed as part of Fls Module for Clang Compiler

Pradeep R
Expert 1130 points
Part Number: LP-MSPM0G3519


Tool/software:

Hello team,

we are using MCAL : MCAL_MSPM0_00.02.04.00 package

SDK : mspm0_sdk_2_04_00_06 version

In Fls Module, the definition of eraseLoadFlashSize and eraseLoadFlashStart is missed and we are getting compilation error

#if defined CLANG
extern uint32 eraseLoadFlashSize;
extern uint32 eraseLoadFlashStart;
#else
uint32 eraseLoadFlashSize = (uint32) ((uint32*)__section_size(".eraseLoadSram"));
const uint32* eraseLoadFlashStart = ((const uint32*)__section_begin(".eraseLoadSram"));
#endif

Can you Please Provide Your feedback

Thanking you.

Regards,

Pradeep R

  • 0
    TI__Mastermind 25005 points

    Hi Pradeep,

    Is this an standard type of the AUTOSAR 4.3.1?

    Maybe we used different type name inside FLS staic code, the example of the FLS is verified worked.

    B.R.

    Sal

  • 0 in reply to Sal Ye
    Expert 1130 points

    Hello Sal,

    Can you please let us know how is this handled in the FLS example

    because we did not get the exact definition

    Regards,

    Pradeep R

  • 0 in reply to Pradeep R
    TI__Mastermind 25005 points

    Hi Pradeep,

    I haven't the test environment in my side, I see several customer used FLS example and works well.

    I will ask the expert in my team to help comment how it works. 

    By the way, is below variable the standard type of AutoSar? If is, I will also forwarded to MCAL team to be aware of.

    Pradeep R said:
    #if defined CLANG
    extern uint32 eraseLoadFlashSize;
    extern uint32 eraseLoadFlashStart;
    #else
    uint32 eraseLoadFlashSize = (uint32) ((uint32*)__section_size(".eraseLoadSram"));
    const uint32* eraseLoadFlashStart = ((const uint32*)__section_begin(".eraseLoadSram"));
    #endif

    B.R.

    Sal

  • 0 in reply to Sal Ye
    Expert 1130 points

    Hello Sal,

    we are defining the macro CLANG, so only 

    extern uint32 eraseLoadFlashSize;
    extern uint32 eraseLoadFlashStart;

    will be declared

    Even we tested your Fls example we noticed that in linker file, the following line is added

    .eraseLoadSram  : palign(8) LOAD > FLASH SIZE(eraseLoadFlashSize) START(eraseLoadFlashStart)

    May i know if it is handled during linking

    Regards,

    Pradeep R

  • 0 in reply to Pradeep R
    TI__Genius 9175 points

    Hi Pradeep,

    I tested with the FLS example for MCAL 2.04.0 version, and the example could be well compiled with TICLANG compiler.

    Please check the guidance of FLS driver user guide in <MCAL_INSTALL_PATH>/mcal_docs/output/imports/user_guide/MSPM0G351x/modules/fls_user_guide.html.

    The ".eraseLoadSram  : palign(8) LOAD > FLASH SIZE(eraseLoadFlashSize) START(eraseLoadFlashStart)" need to be added in .cmd file to make the flash execution code run in SRAM.

    Regards,

    Penfei