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ARM Classic 300 Questions

  • 2013-03-16
  • 291KB
  • Points it Requires : 2

Question 1: Q: When the CPU stack is initialized and the instruction mov r0, LR is executed, what mode is the processor in? A: The mode after reset, that is, the management mode. Question 2: Q: Please tell me: What is the 8-bit image immediate value in MOV? How did 0xF0000001 come from? A: It is a circular right shift, that is, a number between 0-255 is shifted left or right by an even number of bits, that is, this number is divided by 4 

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