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RM48hdk prefetch abort

eric
Intellectual 885 points

hi,

I am porting the lwip on the freertos on the RM48hdk and the IDE is IAR 7.1.

A prefetch abort is trigged, and I don't understand the information from the Registers.

in my oponion, the LR_abt can be used to calculate the return address and to infer the address of the offend instruction. the LR_abt in the debug view seems very strange.

  • 0
    TI__Guru**** 191366 points
    Hi Eric,
    The LR shows 0x0A000008. This is a illegal address. I will suggest that you single step the code and find out how the code jumps to 0x0A000008 area. Use can also use the IFAR (Instruction Fault Address Register) to find out which instruction causing the prefetch abort.