1 from nmigen
import Module
, Signal
2 from nmigen
.back
.pysim
import Simulator
, Delay
, Settle
3 from nmigen
.test
.utils
import FHDLTestCase
5 from soc
.decoder
.power_decoder
import (create_pdecode
)
6 from soc
.decoder
.power_enums
import (Function
, MicrOp
,
7 In1Sel
, In2Sel
, In3Sel
,
8 OutSel
, RC
, LdstLen
, CryIn
,
9 single_bit_flags
, Form
, SPR
,
10 get_signal_name
, get_csv
)
11 from soc
.decoder
.power_decoder2
import (PowerDecode2
)
12 from soc
.simulator
.program
import Program
13 from soc
.simulator
.qemu
import run_program
14 from soc
.decoder
.isa
.all
import ISA
15 from soc
.fu
.test
.common
import TestCase
16 from soc
.simulator
.test_sim
import DecoderBase
20 class DivTestCases(FHDLTestCase
):
23 def __init__(self
, name
="div"):
24 super().__init
__(name
)
27 def test_0_divw(self
):
28 lst
= ["addi 1, 0, 0x5678",
32 with
Program(lst
) as program
:
33 self
.run_tst_program(program
, [1, 2, 3])
35 def test_1_divw_(self
):
36 lst
= ["addi 1, 0, 0x5678",
40 with
Program(lst
) as program
:
41 self
.run_tst_program(program
, [1, 2, 3])
43 def test_2_divw_(self
):
44 lst
= ["addi 1, 0, 0x1234",
48 with
Program(lst
) as program
:
49 self
.run_tst_program(program
, [1, 2, 3])
51 def test_1_divwe(self
):
52 lst
= ["addi 1, 0, 0x5678",
56 with
Program(lst
) as program
:
57 self
.run_tst_program(program
, [1, 2, 3])
59 def test_2_divweu(self
):
60 lst
= ["addi 1, 0, 0x5678",
64 with
Program(lst
) as program
:
65 self
.run_tst_program(program
, [1, 2, 3])
67 def test_4_moduw(self
):
68 lst
= ["addi 1, 0, 0x5678",
72 with
Program(lst
) as program
:
73 self
.run_tst_program(program
, [1, 2, 3])
75 def test_5_div_regression(self
):
76 lst
= ["addi 1, 0, 0x4",
82 with
Program(lst
) as program
:
83 self
.run_tst_program(program
, [1, 2, 3])
85 def run_tst_program(self
, prog
, initial_regs
=None, initial_sprs
=None,
87 initial_regs
= [0] * 32
88 tc
= TestCase(prog
, self
.test_name
, initial_regs
, initial_sprs
, 0,
90 self
.test_data
.append(tc
)
93 class DivZeroTestCases(FHDLTestCase
):
96 def __init__(self
, name
="divbyzero"):
97 super().__init
__(name
)
100 def test_0_divw(self
):
101 lst
= ["addi 1, 0, 0x5678",
105 with
Program(lst
) as program
:
106 self
.run_tst_program(program
, [1, 2, 3])
108 def test_1_divwe(self
):
109 lst
= ["addi 1, 0, 0x5678",
113 with
Program(lst
) as program
:
114 self
.run_tst_program(program
, [1, 2, 3])
116 def test_2_divweu(self
):
117 lst
= ["addi 1, 0, 0x5678",
121 with
Program(lst
) as program
:
122 self
.run_tst_program(program
, [1, 2, 3])
124 def test_4_moduw(self
):
125 lst
= ["addi 1, 0, 0x5678",
129 with
Program(lst
) as program
:
130 self
.run_tst_program(program
, [1, 2, 3])
132 def run_tst_program(self
, prog
, initial_regs
=None, initial_sprs
=None,
134 initial_regs
= [0] * 32
135 tc
= TestCase(prog
, self
.test_name
, initial_regs
, initial_sprs
, 0,
137 self
.test_data
.append(tc
)
141 class DivDecoderTestCase(DecoderBase
, DivTestCases
):
144 class DivZeroDecoderTestCase(DecoderBase
, DivZeroTestCases
):
147 if __name__
== "__main__":