刚接触ti的ccs调试工具，在实验官方给出的awr1642的mmwave_sdk_02_01_00_04里面的uart用来实验一下，结果载入xwr16xx_uart_mss.xer4f后第一次可以正常运行到主函数里面，但是点击restart重新运行一次就会报下面的错误
Exception occurred in ThreadType_Main.
Main handle: 0x0.
Main stack base: 0x800be40.
Main stack size: 0x1000.
R0 = 0x00000000 R8 = 0x00000000
R1 = 0x0000d83f R9 = 0x00006b05
R2 = 0x080001b1 R10 = 0x00008026
R3 = 0x0800aecc R11 = 0x00000001
R4 = 0x0800d7d6 R12 = 0x0800be40
R5 = 0x0800d7c4 SP(R13) = 0x0800cdf0
R6 = 0x00000003 LR(R14) = 0x00006b05
R7 = 0x0800af04 PC(R15) = 0x0000b168
PSR = 0x400c01df
DFSR = 0x00000000 IFSR = 0x00000000
DFAR = 0x00000000 IFAR = 0x00000000
ti.sysbios.family.arm.exc.Exception: line 209: E_undefinedInstruction: pc = 0x0000b168, lr = 0x00006b05.
xdc.runtime.Error.raise: terminating execution
Can't find a source file at "/tmp/scratch/build_jenkins/workspace/BuildToolsLinux/build/arm/product/linux/lib-internal/src/exit.c"
Locate the file or edit the source lookup path to include its location.
