def test_branch_if_not_equal_true(self):
execute = Execute()
alu_branch_output = True
branch_address = create_sized_binary_num(
ExecuteStageTest.pc_value +
(decode_signed_binary_number(ExecuteStageTest.immediate, 32) << 2),
32)[:32]
ALUOp = 0b01
function_field = create_sized_binary_num(4, 6)
opcode = '000101'
ALUSrc = False
MemWrite = False
MemtoReg = False
MemRead = False
Branch = True
jump = False
jump_address = None
execute.receive_data(ExecuteStageTest.data1, ExecuteStageTest.data2,
ExecuteStageTest.immediate,
ExecuteStageTest.pc_value, jump_address)
execute.receive_control_information(ALUOp, function_field, opcode,
ALUSrc, MemWrite, MemtoReg,
MemRead, Branch, jump)
self.assertEqual(alu_branch_output, execute.alu_branch)
self.assertEqual(branch_address, execute.branch_address)
def test_receive_values_and_update_addi(self):
execute = Execute()
expected_result = create_sized_binary_num(
decode_signed_binary_number(ExecuteStageTest.data1, 32) +
decode_signed_binary_number(ExecuteStageTest.immediate, 32),
32)[:32]
ALUOp = 0b11
function_field = '100000'
opcode = create_sized_binary_num(8, 6)
ALUSrc = True
MemWrite = False
MemtoReg = False
MemRead = False
Branch = False
jump = False
jump_address = None
execute.receive_data(ExecuteStageTest.data1, ExecuteStageTest.data2,
ExecuteStageTest.immediate,
ExecuteStageTest.pc_value, jump_address)
execute.receive_control_information(ALUOp, function_field, opcode,
ALUSrc, MemWrite, MemtoReg,
MemRead, Branch, jump)
self.assertEqual(expected_result, execute.alu_output)
def test_slt_set(self):
execute = Execute()
expected_result = create_sized_binary_num(1, 32)[:32]
ALUOp = 0b10
function_field = create_sized_binary_num(42, 6)
opcode = None
ALUSrc = False
MemWrite = False
MemtoReg = False
MemRead = False
Branch = False
jump = False
jump_address = None
execute.receive_data(ExecuteStageTest.data2, ExecuteStageTest.data1,
ExecuteStageTest.immediate,
ExecuteStageTest.pc_value, jump_address)
execute.receive_control_information(ALUOp, function_field, opcode,
ALUSrc, MemWrite, MemtoReg,
MemRead, Branch, jump)
self.assertEqual(expected_result, execute.alu_output)