src/soc/fu/compunits/test/test_alu_compunit.py

   1 import unittest
   2 from soc.decoder.power_enums import (XER_bits, Function)
   3
   4 from soc.fu.alu.test.test_pipe_caller import get_cu_inputs
   5 from soc.fu.alu.test.test_pipe_caller import ALUTestCase  # creates the tests
   6
   7 from soc.fu.test.common import ALUHelpers
   8 from soc.fu.compunits.compunits import ALUFunctionUnit
   9 from soc.fu.compunits.test.test_compunit import TestRunner
  10 from soc.config.endian import bigendian
  11
  12
  13 class ALUTestRunner(TestRunner):
  14     def __init__(self, test_data):
  15         super().__init__(test_data, ALUFunctionUnit, self,
  16                          Function.ALU, bigendian)
  17
  18     def get_cu_inputs(self, dec2, sim):
  19         """naming (res) must conform to ALUFunctionUnit input regspec
  20         """
  21         res = yield from get_cu_inputs(dec2, sim)
  22         return res
  23
  24     def check_cu_outputs(self, res, dec2, sim, alu, code):
  25         """naming (res) must conform to ALUFunctionUnit output regspec
  26         """
  27
  28         rc = yield dec2.e.do.rc.data
  29         op = yield dec2.e.do.insn_type
  30         cridx_ok = yield dec2.e.write_cr.ok
  31         cridx = yield dec2.e.write_cr.data
  32
  33         print("check extra output", repr(code), cridx_ok, cridx)
  34
  35         if rc:
  36             self.assertEqual(cridx_ok, 1, code)
  37             self.assertEqual(cridx, 0, code)
  38
  39         sim_o = {}
  40
  41         yield from ALUHelpers.get_sim_int_o(sim_o, sim, dec2)
  42         yield from ALUHelpers.get_wr_sim_cr_a(sim_o, sim, dec2)
  43         yield from ALUHelpers.get_wr_sim_xer_ov(sim_o, sim, alu, dec2)
  44         yield from ALUHelpers.get_wr_sim_xer_ca(sim_o, sim, dec2)
  45         yield from ALUHelpers.get_wr_sim_xer_so(sim_o, sim, alu, dec2)
  46
  47         ALUHelpers.check_cr_a(self, res, sim_o, "CR%d %s" % (cridx, code))
  48         ALUHelpers.check_xer_ov(self, res, sim_o, code)
  49         ALUHelpers.check_xer_ca(self, res, sim_o, code)
  50         ALUHelpers.check_int_o(self, res, sim_o, code)
  51         ALUHelpers.check_xer_so(self, res, sim_o, code)
  52
  53
  54 if __name__ == "__main__":
  55     unittest.main(exit=False)
  56     suite = unittest.TestSuite()
  57     suite.addTest(ALUTestRunner(ALUTestCase.test_data))
  58
  59     runner = unittest.TextTestRunner()
  60     runner.run(suite)