Example #1
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def test_invalid_field_shamt():

    with pytest.raises(AssertionError):
        pisa_encoding.assemble_inst({}, 0, "sll r1, r2, 32")

    with pytest.raises(AssertionError):
        pisa_encoding.assemble_inst({}, 0, "sll r1, r2, -1")
Example #2
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def test_invalid_field_rd():

  with pytest.raises( AssertionError ):
    pisa_encoding.assemble_inst( {}, 0, "addu r1, r2, 3" )

  with pytest.raises( AssertionError ):
    pisa_encoding.assemble_inst( {}, 0, "addu r1, r2, r32" )
Example #3
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def test_invalid_field_rd():

    with pytest.raises(AssertionError):
        pisa_encoding.assemble_inst({}, 0, "addu r1, r2, 3")

    with pytest.raises(AssertionError):
        pisa_encoding.assemble_inst({}, 0, "addu r1, r2, r32")
Example #4
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def test_invalid_field_shamt():

  with pytest.raises( AssertionError ):
    pisa_encoding.assemble_inst( {}, 0, "sll r1, r2, 32" )

  with pytest.raises( AssertionError ):
    pisa_encoding.assemble_inst( {}, 0, "sll r1, r2, -1" )
Example #5
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def check( inst_str, inst_bits_ref, inst_str_ref ):

  inst_bits = pisa_encoding.assemble_inst( {}, 0, inst_str )
  assert inst_bits == inst_bits_ref

  inst_str  = pisa_encoding.disassemble_inst( inst_bits )
  assert inst_str == inst_str_ref
Example #6
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def check_sym( sym, pc, inst_str, inst_bits_ref, inst_str_ref ):

  inst_bits = pisa_encoding.assemble_inst( sym, pc, inst_str )
  assert inst_bits == inst_bits_ref

  inst_str  = pisa_encoding.disassemble_inst( inst_bits )
  assert inst_str == inst_str_ref
Example #7
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def check(inst_str, inst_bits_ref, inst_str_ref):

    inst_bits = pisa_encoding.assemble_inst({}, 0, inst_str)
    assert inst_bits == inst_bits_ref

    inst_str = pisa_encoding.disassemble_inst(inst_bits)
    assert inst_str == inst_str_ref
Example #8
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def test_fields_shamt():

  inst = PisaInst( assemble_inst( {}, 0, "sll r15, r16, 31" ) )
  assert inst.name  == "sll"
  assert inst.rd    == 15
  assert inst.rt    == 16
  assert inst.shamt == 31
Example #9
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def test_fields_reg():

  inst = PisaInst( assemble_inst( {}, 0, "addu r1, r2, r3" ) )
  assert inst.name == "addu"
  assert inst.rd   == 1
  assert inst.rs   == 2
  assert inst.rt   == 3
Example #10
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def test_fields_imm():

  inst = PisaInst( assemble_inst( {}, 0, "addiu r30, r31, 0x4eef" ) )
  assert inst.name == "addiu"
  assert inst.rt   == 30
  assert inst.rs   == 31
  assert inst.imm  == 0x4eef
Example #11
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def test_fields_shamt():

    inst = PisaInst(assemble_inst({}, 0, "sll r15, r16, 31"))
    assert inst.name == "sll"
    assert inst.rd == 15
    assert inst.rt == 16
    assert inst.shamt == 31
Example #12
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def test_fields_imm():

    inst = PisaInst(assemble_inst({}, 0, "addiu r30, r31, 0x4eef"))
    assert inst.name == "addiu"
    assert inst.rt == 30
    assert inst.rs == 31
    assert inst.imm == 0x4eef
Example #13
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def test_fields_reg():

    inst = PisaInst(assemble_inst({}, 0, "addu r1, r2, r3"))
    assert inst.name == "addu"
    assert inst.rd == 1
    assert inst.rs == 2
    assert inst.rt == 3
Example #14
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def check_sym(sym, pc, inst_str, inst_bits_ref, inst_str_ref):

    inst_bits = pisa_encoding.assemble_inst(sym, pc, inst_str)
    assert inst_bits == inst_bits_ref

    inst_str = pisa_encoding.disassemble_inst(inst_bits)
    assert inst_str == inst_str_ref
Example #15
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def test_fields_jtarg():

  inst_bits = assemble_inst( {"label":0x1010}, 0x1000, "j label" )
  inst = PisaInst( inst_bits )
  assert inst.name  == "j"
  assert inst.jtarg == 0x00404
Example #16
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def test_fields_jtarg():

    inst_bits = assemble_inst({"label": 0x1010}, 0x1000, "j label")
    inst = PisaInst(inst_bits)
    assert inst.name == "j"
    assert inst.jtarg == 0x00404
Example #17
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def test_invalid_field_imm_sext():

  with pytest.raises( AssertionError ):
    pisa_encoding.assemble_inst( {}, 0, "addiu r1, r2, -0xffff" )
Example #18
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def test_invalid_field_imm_sext():

    with pytest.raises(AssertionError):
        pisa_encoding.assemble_inst({}, 0, "addiu r1, r2, -0xffff")