4bd97c6535
Merge the x1000 and jz47xx exception handling code since they use the same exception vectors and handlers. The interrupt handler is now called from the common exception vector, but remains separate for each board since they have different IRQ layouts. The new exception handler can provide a stack traceback from the interrupted code, rather than the (uninteresting) caller traceback displayed by panicf. This allows you to see what led up to a null pointer deref or division by zero, which makes it _much_ easier to track down errors that occur in common leaf functions like strcmp. Change-Id: I59a0ebb5e40fcb36505c3bfdb47f8cac2f9936b1 |
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