def execute(self, processor):
if processor.condition_passed():
offset_addr = bits_add(processor.registers.get(self.n), self.imm32, 32) if self.add else bits_sub(
processor.registers.get(self.n), self.imm32, 32)
address = offset_addr if self.index else processor.registers.get(self.n)
processor.registers.set(self.t, zero_extend(processor.mem_u_get(address, 1), 32))
if self.wback:
processor.registers.set(self.n, offset_addr)
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(self.n)
except EndOfInstruction:
pass
else:
address = processor.registers.get(self.n)
processor.set_exclusive_monitors(address, 2)
processor.registers.set(
self.t, zero_extend(processor.mem_a_get(address, 2), 32))
def execute(self, processor):
if processor.condition_passed():
offset_addr = bits_add(processor.registers.get(self.n), self.imm32, 32) if self.add else bits_sub(
processor.registers.get(self.n), self.imm32, 32)
address = offset_addr if self.index else processor.registers.get(self.n)
data = processor.mem_u_get(address, 2)
if self.wback:
processor.registers.set(self.n, offset_addr)
if processor.unaligned_support() or not address[31]:
processor.registers.set(self.t, zero_extend(data, 32))
else:
processor.registers.set(self.t, BitArray(length=32)) # unknown
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(15)
except EndOfInstruction:
pass
else:
base = align(processor.registers.get_pc(), 4)
address = bits_add(base, self.imm32,
32) if self.add else bits_sub(
base, self.imm32, 32)
processor.registers.set(
self.t, zero_extend(processor.mem_u_get(address, 1), 32))
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(self.n)
except EndOfInstruction:
pass
else:
offset_addr = bits_add(processor.registers.get(
self.n), self.imm32, 32) if self.add else bits_sub(
processor.registers.get(self.n), self.imm32, 32)
address = offset_addr if self.index else processor.registers.get(
self.n)
processor.registers.set(
self.t, zero_extend(processor.mem_u_get(address, 1), 32))
if self.wback:
processor.registers.set(self.n, offset_addr)
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(self.n)
except EndOfInstruction:
pass
else:
offset_addr = bits_add(processor.registers.get(self.n), self.imm32, 32) if self.add else bits_sub(
processor.registers.get(self.n), self.imm32, 32)
address = offset_addr if self.index else processor.registers.get(self.n)
data = processor.mem_u_get(address, 2)
if self.wback:
processor.registers.set(self.n, offset_addr)
if processor.unaligned_support() or address[31:32] == "0b0":
processor.registers.set(self.t, zero_extend(data, 32))
else:
processor.registers.set(self.t, BitArray(length=32)) # unknown
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(15)
except EndOfInstruction:
pass
else:
base = align(processor.registers.get_pc(), 4)
address = bits_add(base, self.imm32,
32) if self.add else bits_sub(
base, self.imm32, 32)
data = processor.mem_u_get(address, 2)
if processor.unaligned_support() or not address[31]:
processor.registers.set(self.t, zero_extend(data, 32))
else:
processor.registers.set(self.t,
BitArray(length=32)) # unknown
def execute(self, processor):
if processor.condition_passed():
if processor.registers.current_mode_is_hyp():
print "unpredictable"
else:
try:
processor.null_check_if_thumbee(self.n)
except EndOfInstruction:
pass
else:
offset = shift(processor.registers.get(self.m), self.shift_t, self.shift_n,
processor.registers.cpsr.get_c()) if self.register_form else self.imm32
offset_addr = bits_add(processor.registers.get(self.n), offset, 32) if self.add else bits_sub(
processor.registers.get(self.n), offset, 32)
address = processor.registers.get(self.n) if self.post_index else offset_addr
processor.registers.set(self.t, zero_extend(processor.mem_u_unpriv_get(address, 1), 32))
if self.post_index:
processor.registers.set(self.n, offset_addr)
def execute(self, processor):
if processor.condition_passed():
if processor.registers.current_mode_is_hyp():
print "unpredictable"
else:
try:
processor.null_check_if_thumbee(self.n)
except EndOfInstruction:
pass
else:
offset = processor.registers.get(self.m) if self.register_form else self.imm32
offset_addr = bits_add(processor.registers.get(self.n), offset, 32) if self.add else bits_sub(
processor.registers.get(self.n), offset, 32)
address = processor.registers.get(self.n) if self.post_index else offset_addr
data = processor.mem_u_unpriv_get(address, 2)
if self.post_index:
processor.registers.set(self.n, offset_addr)
if processor.unaligned_support() or not address[31]:
processor.registers.set(self.t, zero_extend(data, 32))
else:
processor.registers.set(self.t, BitArray(length=32)) # unknown