Example #1
0
def test_mov_special_registers():
    # Note that in the MOV 'special' instructions rd and rn are swapped.
    instr = Instruction(opcode_factory.movfs16(rn=0, rd='CONFIG'), '')
    assert instr.rd == 1  # 65 - 64
    assert instr.rn == 0
    instr = Instruction(opcode_factory.movfs32(rn=0, rd='pc'), '')
    assert instr.rd == 3  # 67 - 64
    assert instr.rn == 0
    instr = Instruction(opcode_factory.movts16(rn='CONFIG', rd=0), '')
    assert instr.rd == 0
    assert instr.rn == 1  # 65 - 64
    instr = Instruction(opcode_factory.movts32(rn='pc', rd=0), '')
    assert instr.rd == 0
    assert instr.rn == 3  # 67 -64
Example #2
0
def test_execute_mov_special(is16bit, is_from):
    # Note that in the MOV 'special' instructions rd and rn are swapped.
    state = new_state(rf0=5, rfCONFIG=7)
    if is_from and is16bit:
        instr = opcode_factory.movfs16(rn=0, rd='CONFIG')
        expected_state = StateChecker(pc=(2 + RESET_ADDR), rf0=7, rfCONFIG=7)
    elif is_from and (not is16bit):
        instr = opcode_factory.movfs32(rn=0, rd='CONFIG')
        expected_state = StateChecker(pc=(4 + RESET_ADDR), rf0=7, rfCONFIG=7)
    elif (not is_from) and is16bit:
        instr = opcode_factory.movts16(rn='CONFIG', rd=0)
        expected_state = StateChecker(pc=(2 + RESET_ADDR), rf0=5, rfCONFIG=5)
    elif (not is_from) and (not is16bit):
        instr = opcode_factory.movts32(rn='CONFIG', rd=0)
        expected_state = StateChecker(pc=(4 + RESET_ADDR), rf0=5, rfCONFIG=5)
    name, executefn = decode(instr)
    executefn(state, Instruction(instr, None))
    expected_state.check(state)
Example #3
0
                          ('fsub32',      opcode_factory.fsub32(rd=1, rn=0, rm=0)),
                          ('fmul32',      opcode_factory.fmul32(rd=1, rn=0, rm=0)),
                          ('fmadd32',     opcode_factory.fmadd32(rd=1, rn=0, rm=0)),
                          ('fmsub32',     opcode_factory.fmsub32(rd=1, rn=0, rm=0)),
                          ('float32',     opcode_factory.float32(rd=1, rn=0, rm=0)),
                          ('fix32',       opcode_factory.fix32(rd=1, rn=0, rm=0)),
                          ('fabs32',      opcode_factory.fabs32(rd=1, rn=0, rm=0)),
                          ('movcond32',   opcode_factory.movcond32(condition=0b0000, rd=0, rn=0)),
                          ('movcond16',   opcode_factory.movcond16(condition=0b0000, rd=0, rn=0)),
                          ('movtimm32',   opcode_factory.movtimm32(rd=0b1111, imm=0)),
                          ('movimm32',    opcode_factory.movimm32(rd=0b1111, imm=0)),
                          ('movimm16',    opcode_factory.movimm16(rd=0b1111, imm=0)),
                          ('movfs32',     opcode_factory.movfs32(rn=0b110, rd='IRET')),
                          ('movfs16',     opcode_factory.movfs16(rn=0b110, rd='IRET')),
                          ('movts32',     opcode_factory.movts32(rn='IRET', rd=0b011)),
                          ('movts16',     opcode_factory.movts16(rn='IRET', rd=0)),
                          ('gie16',       opcode_factory.gie16()),
                          ('gid16',       opcode_factory.gid16()),
                          ('nop16',       opcode_factory.nop16()),
                          ('idle16',      opcode_factory.idle16()),
                          ('bkpt16',      opcode_factory.bkpt16()),
                          ('mbkpt16',     opcode_factory.mbkpt16()),
                          ('sync16',      opcode_factory.sync16()),
                          ('rti16',       opcode_factory.rti16()),
                          ('wand16',      opcode_factory.wand16()),
                          ('trap16',      opcode_factory.trap16(trap=0b111111)),
                          ('unimpl',      opcode_factory.unimpl()),
                         ])
def test_decode(name, instr):
    decoded_name, _ = decode(instr)
    assert decoded_name == name