2 from soc
.decoder
.power_enums
import (XER_bits
, Function
)
4 # XXX bad practice: use of global variables
5 from soc
.fu
.logical
.test
.test_pipe_caller
import LogicalTestCase
6 from soc
.fu
.logical
.test
.test_pipe_caller
import test_data
8 from soc
.fu
.compunits
.compunits
import LogicalFunctionUnit
9 from soc
.fu
.compunits
.test
.test_compunit
import TestRunner
12 class LogicalTestRunner(TestRunner
):
13 def __init__(self
, test_data
):
14 super().__init
__(test_data
, LogicalFunctionUnit
, self
,
17 def get_cu_inputs(self
, dec2
, sim
):
18 """naming (res) must conform to LogicalFunctionUnit input regspec
23 reg1_ok
= yield dec2
.e
.read_reg1
.ok
25 data1
= yield dec2
.e
.read_reg1
.data
26 res
['a'] = sim
.gpr(data1
).value
29 reg2_ok
= yield dec2
.e
.read_reg2
.ok
31 data2
= yield dec2
.e
.read_reg2
.data
32 res
['b'] = sim
.gpr(data2
).value
36 def check_cu_outputs(self
, res
, dec2
, sim
, code
):
37 """naming (res) must conform to LogicalFunctionUnit output regspec
41 out_reg_valid
= yield dec2
.e
.write_reg
.ok
43 write_reg_idx
= yield dec2
.e
.write_reg
.data
44 expected
= sim
.gpr(write_reg_idx
).value
46 print(f
"expected {expected:x}, actual: {cu_out:x}")
47 self
.assertEqual(expected
, cu_out
, code
)
49 rc
= yield dec2
.e
.rc
.data
50 op
= yield dec2
.e
.insn_type
51 cridx_ok
= yield dec2
.e
.write_cr
.ok
52 cridx
= yield dec2
.e
.write_cr
.data
54 print ("check extra output", repr(code
), cridx_ok
, cridx
)
57 self
.assertEqual(cridx_ok
, 1, code
)
58 self
.assertEqual(cridx
, 0, code
)
62 cr_expected
= sim
.crl
[cridx
].get_range().value
63 cr_actual
= res
['cr0']
64 print ("CR", cridx
, cr_expected
, cr_actual
)
65 self
.assertEqual(cr_expected
, cr_actual
, "CR%d %s" % (cridx
, code
))
68 cry_out
= yield dec2
.e
.output_carry
70 expected_carry
= 1 if sim
.spr
['XER'][XER_bits
['CA']] else 0
71 xer_ca
= res
['xer_ca']
72 real_carry
= xer_ca
& 0b1 # XXX CO not CO32
73 self
.assertEqual(expected_carry
, real_carry
, code
)
74 expected_carry32
= 1 if sim
.spr
['XER'][XER_bits
['CA32']] else 0
75 real_carry32
= bool(xer_ca
& 0b10) # XXX CO32
76 self
.assertEqual(expected_carry32
, real_carry32
, code
)
79 if __name__
== "__main__":
80 unittest
.main(exit
=False)
81 suite
= unittest
.TestSuite()
82 suite
.addTest(LogicalTestRunner(test_data
))
84 runner
= unittest
.TextTestRunner()