def test_sim_bkpt16():
instructions = [(opcode_factory.bkpt16(), 16), # BKPT16
]
epiphany = MockEpiphany()
epiphany.init_state(instructions)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(pc=(2 + RESET_ADDR))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_single_inst_add32():
instructions = [(opcode_factory.add32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.bkpt16(), 16)]
epiphany = MockEpiphany()
epiphany.init_state(instructions, rf0=0b01010101010)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(AZ=0, pc=(6 + RESET_ADDR), rf1=(0b01010101010 * 2))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_single_inst_sub32():
from pydgin.utils import trim_32
instructions = [(opcode_factory.sub32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.bkpt16(), 16)]
epiphany = MockEpiphany()
epiphany.init_state(instructions, rf0=5)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(AZ=0, AN=1, AC=0,
pc=(6 + RESET_ADDR), rf1=trim_32(5 - 0b01010101010))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_sim_all_16bit():
instructions = [ (opcode_factory.gie16(), 16),
(opcode_factory.gid16(), 16),
(opcode_factory.idle16(), 16),
(opcode_factory.bkpt16(), 16),
]
epiphany = MockEpiphany()
epiphany.init_state(instructions)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(pc=(8 + RESET_ADDR))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_add32_sub32():
from pydgin.utils import trim_32
instructions = [(opcode_factory.add32_immediate(rd=1,rn=0, imm=0b01010101010), 32),
# TODO: Add new instruction to move the result of instruction 1
# TODO: to rf[0] before instruction 2 is executed.
(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(AZ=0, AN=1, AC=0, pc=(10 + RESET_ADDR),
rf1=trim_32(0 - 0b01010101010))
expected_state.check(epiphany.state)
assert not epiphany.state.running
def test_bcond32():
instructions = [(opcode_factory.sub32_immediate(rd=1, rn=0, imm=0b00000000101), 32),
(opcode_factory.bcond32(condition=0b0000, imm=0b000000000000000000000100), 32),
(opcode_factory.add32_immediate(rd=1, rn=0, imm=0b01010101010), 32),
(opcode_factory.bkpt16(), 16),
]
epiphany = MockEpiphany()
epiphany.init_state(instructions, rf0=5)
assert epiphany.state.running
epiphany.run()
expected_state = StateChecker(pc=(14 + RESET_ADDR), rf1=0)
expected_state.check(epiphany.state)
assert not epiphany.state.running
epiphany.init_state(instructions, rf0=8)
epiphany.run()
expected_state = StateChecker(pc=(14 + RESET_ADDR), rf1=(8 + 0b01010101010))
expected_state.check(epiphany.state)
assert not epiphany.state.running