Hi, I am analyzing code for uboot -1.1.6 . I have some doubts related to exception. In the file "start.S" there is a term , TRAP FRAME , and stack pointer. Could you please tell me what is trap frame? and where stack pointer points ? If the stack pointer pointer points to a stack ( different from TRAP FRAME ) then what is the purpose of TRAP FRAME? What are contents of TRAP FRAME?
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