It cannot go to the function of main() while debug my dsp project with the platform of OMAP-L137

HI , I encounter a problem while debug a dsp project with the platform of  OMAP-L137,But It cannot go to the main() function and It seem always  stop at BCACAHE_wait().but If I download the program with dsplink from ARM,It still operation frequently,ARM can receive the result data correctly.the version of bios is 5_33_06,and CTG is 6.1.9.What's more, what is  the difference  between HAL_cache_WbInv() and CACHE_WBL2(),Thank you!