src/soc/fu/test/pia.py

   1 import power_instruction_analyzer as pia
   2
   3
   4 def pia_res_to_output(pia_res):
   5     assert isinstance(pia_res, pia.InstructionOutput)
   6     retval = {}
   7     if pia_res.rt is not None:
   8         retval["o"] = pia_res.rt
   9     if pia_res.cr0 is not None:
  10         cr0 = pia_res.cr0
  11         v = 0
  12         if cr0.lt:
  13             v |= 8
  14         if cr0.gt:
  15             v |= 4
  16         if cr0.eq:
  17             v |= 2
  18         if cr0.so:
  19             v |= 1
  20         retval["cr_a"] = v
  21     if pia_res.overflow is not None:
  22         overflow = pia_res.overflow
  23         v = 0
  24         if overflow.ov:
  25             v |= 1
  26         if overflow.ov32:
  27             v |= 2
  28         retval["xer_ov"] = v
  29         retval["xer_so"] = overflow.so
  30     else:
  31         retval["xer_ov"] = 0
  32         retval["xer_so"] = 0
  33     if pia_res.carry is not None:
  34         carry = pia_res.carry
  35         v = 0
  36         if carry.ca:
  37             v |= 1
  38         if carry.ca32:
  39             v |= 2
  40         retval["xer_ca"] = v
  41     else:
  42         retval["xer_ca"] = 0
  43     return retval