ARM Architecture - Exception and Interrupt Model
Which entry in the ARM vector table typically contains the initial stack pointer value?
Which entry in the ARM vector table typically contains the initial stack pointer value?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall vector table layout
The first entry in the ARM vector table holds the initial stack pointer value to set up the stack at reset.Step 2: Confirm other entries roles
Other entries hold addresses of reset and exception handlers, not the stack pointer.Final Answer:
The first entry -> Option DQuick Check:
Initial SP location = First entry [OK]
Quick Trick: Initial stack pointer is always at vector table start [OK]
Common Mistakes:
- Mixing stack pointer with reset handler address
- Assuming stack pointer is at second entry
- Confusing vector table order
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