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
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)
('fadd32', opcode_factory.fadd32(rd=1, rn=0, rm=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)