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coreNum = CSL_chipReadReg (CSL_CHIP_DNUM);卡死

芯片:TCI6638K2K

问题:调用函数CSL_chipReadReg(CSL_CHIP_DNUM)读取核号失败。

描述:使用仿真器下载代码,core0~core7     CSL_chipReadReg(CSL_CHIP_DNUM)均可正确读取,使用PCIE下载out文件方式,core0~core7     CSL_chipReadReg(CSL_CHIP_DNUM)失败,程序卡死到此函数。

引起这种现象的原因有哪些?