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  1. #!/usr/bin/env python
  2. """
  3. Decode 64-bit address into components
  4. """
  5. import sys
  6.  
  7. def main():
  8.     if len(sys.argv) != 2 or not sys.argv[1].startswith('0x'):
  9.         print "%s 0x..." % sys.argv[0]
  10.         sys.exit(1)
  11.    
  12.     address = int(sys.argv[1],16)
  13.     offset = address & 0xfff
  14.     ptl3 = (address >> 12) & 0x1ff
  15.     ptl2 = (address >> 21) & 0x1ff
  16.     ptl1 = (address >> 30) & 0x1ff
  17.     ptl0 = (address >> 39) & 0x1ff
  18.     print "Ptl0:   %3d" % ptl0
  19.     print "Ptl1:   %3d" % ptl1
  20.     print "Ptl2:   %3d" % ptl2
  21.     print "Ptl3:   %3d" % ptl3
  22.     print "Offset: 0x%x" % offset
  23.  
  24. if __name__ == '__main__':
  25.     main()
  26.