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omapl138 ARM核使用sysbios系统移植NDK时出现E_dataAbort错误?

shuo wang10
Intellectual 630 points
Other Parts Discussed in Thread: SYSBIOS

我加上NDK后，运行，就出现以下错误：

Using default MAC address
Using MAC Address: 00-08-ee-03-14-55
le: 0xc40ba904.
Task stack base: 0xc40ac9a0.
Task stack size: 0x2000.
R0 = 0x01e2200c R8 = 0xffffffff
R1 = 0xc40ae8b8 R9 = 0xc404ccc4
R2 = 0x00000000 R10 = 0x00000000
R3 = 0xc4075c54 R11 = 0xc407c85c
R4 = 0xc404e4c4 R12 = 0x00000000
R5 = 0xc404e4d4 SP(R13) = 0xc40ae818
R6 = 0xc408b74c LR(R14) = 0xc408a784
R7 = 0xc408b758 PC(R15) = 0xc405cb94
PSR = 0x600000df
ti.sysbios.family.arm.exc.Exception: line 176: E_dataAbort: pc = 0xc405cb94, lr = 0xc408a784.
xdc.runtime.Error.raise: terminating execution

请问，这是什么原因造成的？

谢谢

  • 0
    TI__Guru**** 357097 points

    pc = 0xc405cb94指向DDR2，请看一下RTSC里是否设置了这块DDR memory map？

  • 0 回复 Shine
    Intellectual 630 points

    设置了，我的程序代码就是从 c4000000开始的。

    DDR2                  c4000000   04000000  0001ac0c  03fe53f4  RW X

    具体的：

    run origin load origin length init length attrs members
    ---------- ----------- ---------- ----------- ----- -------

    c4000000 c4000000 0000f1ac 0000f1ac r-x
    c4000000 c4000000 0000ea1c 0000ea1c r-x .text
    c400ea1c c400ea1c 00000790 00000790 r-- .const.1
    c400f1ac c400f1ac 000009cc 00000000 rw-
    c400f1ac c400f1ac 000009cc 00000000 rw- .data
    c4010000 c4010000 00007528 00000000 rw-
    c4010000 c4010000 00004000 00000000 rw- ti.sysbios.family.arm.arm9.mmuTableSection
    c4014000 c4014000 00003528 00000000 rw- .bss
    c4017528 c4017528 00001654 00001654 r--
    c4017528 c4017528 00001654 00001654 r-- .const.2
    c4018b7c c4018b7c 00002000 00000000 rw-
    c4018b7c c4018b7c 00002000 00000000 rw- .stack
    c401ab80 c401ab80 00000518 00000518 r--
    c401ab80 c401ab80 00000518 00000518 r-- .cinit

  • 0 回复 shuo wang10
    TI__Guru**** 357097 points

    请看一下 line 176是什么代码？