def test_execute_nop16():
state = new_state()
instr = opcode_factory.nop16()
name, executefn = decode(instr)
executefn(state, Instruction(instr, None))
expected_state = StateChecker(pc=(2 + RESET_ADDR))
expected_state.check(state)
def test_sim_nop16():
instructions = [(opcode_factory.nop16(), 16), # NOP16
(opcode_factory.bkpt16(), 16), # BKPT16
]
epiphany = MockEpiphany()
epiphany.init_state(instructions)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(pc=(4 + RESET_ADDR))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_sim_nop16():
instructions = [(opcode_factory.nop16(), 16),
(opcode_factory.trap16(3), 16),
]
revelation = MockRevelation()
revelation.init_state(instructions)
assert revelation.states[0x808].running
exit_code, ticks = revelation.run()
expected_state = StateChecker(pc=(4 + RESET_ADDR))
expected_state.check(revelation.states[0x808])
assert EXIT_SUCCESS == exit_code
assert len(instructions) == ticks
assert not revelation.states[0x808].running
def test_add32_nop16_sub32():
from pydgin.utils import trim_32
instructions = [(opcode_factory.add32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.nop16(), 16),
(opcode_factory.sub32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.bkpt16(), 16),
]
epiphany = MockEpiphany()
epiphany.init_state(instructions, rf0=0)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(pc=(12 + RESET_ADDR), AC=0, AN=1, AZ=0,
rf1=trim_32(0 - 0b01010101010))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_add32_nop16_sub32():
from pydgin.utils import trim_32
instructions = [(opcode_factory.add32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.nop16(), 16),
(opcode_factory.sub32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.trap16(3), 16),
]
revelation = MockRevelation()
revelation.init_state(instructions, rf0=0)
assert revelation.states[0x808].running
exit_code, ticks = revelation.run()
expected_state = StateChecker(pc=(12 + RESET_ADDR), AC=0, AN=1, AZ=0,
rf1=trim_32(0 - 0b01010101010))
expected_state.check(revelation.states[0x808])
assert EXIT_SUCCESS == exit_code
assert len(instructions) == ticks
assert not revelation.states[0x808].running
('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
def test_bit32_imm():
