IAR IN_RAM 的函数都报Warning

IN_RAM(void FLASH_ProgramBlock(uint16_t BlockNum, FLASH_MemType_TypeDef FLASH_MemType, 

                        FLASH_ProgramMode_TypeDef FLASH_ProgMode, uint8_t *Buffer))

{

    uint16_t Count = 0;

    uint32_t startaddress = 0;



    /* Check parameters */

    assert_param(IS_MEMORY_TYPE_OK(FLASH_MemType));

    assert_param(IS_FLASH_PROGRAM_MODE_OK(FLASH_ProgMode));

    if (FLASH_MemType == FLASH_MEMTYPE_PROG)

    {

        assert_param(IS_FLASH_PROG_BLOCK_NUMBER_OK(BlockNum));

        startaddress = FLASH_PROG_START_PHYSICAL_ADDRESS;

    }

    else

    {

        assert_param(IS_FLASH_DATA_BLOCK_NUMBER_OK(BlockNum));

        startaddress = FLASH_DATA_START_PHYSICAL_ADDRESS;

    }



    /* Point to the first block address */

    startaddress = startaddress + ((uint32_t)BlockNum * FLASH_BLOCK_SIZE);



    /* Selection of Standard or Fast programming mode */

    if (FLASH_ProgMode == FLASH_PROGRAMMODE_STANDARD)

    {

        /* Standard programming mode */ /*No need in standard mode */

        FLASH->CR2 |= FLASH_CR2_PRG;

        FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NPRG);

    }

    else

    {

        /* Fast programming mode */

        FLASH->CR2 |= FLASH_CR2_FPRG;

        FLASH->NCR2 &= (uint8_t)(~FLASH_NCR2_NFPRG);

    }



    /* Copy data bytes from RAM to FLASH memory */

    for (Count = 0; Count < FLASH_BLOCK_SIZE; Count++)

    {

#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S105) || \

    defined(STM8S005) || defined (STM8AF62Ax) || defined (STM8AF52Ax) || defined (STM8AF626x)

  *((PointerAttr uint8_t*) (uint16_t)startaddress + Count) = ((uint8_t)(Buffer[Count]));

#elif defined(STM8S103) || defined(STM8S003) ||  defined (STM8S903)

  *((PointerAttr uint8_t*) (uint16_t)startaddress + Count) = ((uint8_t)(Buffer[Count]));

#endif       

    }

}