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)
if have_lpae() and substring(address, 2, 0) == 0b000:
data = processor.mem_a_get(address, 8)
if processor.big_endian():
processor.registers.set(self.t,
substring(data, 63, 32))
processor.registers.set(self.t2,
substring(data, 31, 0))
else:
processor.registers.set(self.t, substring(data, 31, 0))
processor.registers.set(self.t2,
substring(data, 63, 32))
else:
processor.registers.set(self.t,
processor.mem_a_get(address, 4))
processor.registers.set(
self.t2,
processor.mem_a_get(bits_add(address, 4, 32), 4))
if self.wback:
processor.registers.set(self.n, offset_addr)
def execute(self, processor):
if processor.condition_passed():
try:
processor.null_check_if_thumbee(15)
except EndOfInstruction:
pass
else:
address = bits_add(align(processor.registers.get_pc(), 4),
self.imm32, 32) if self.add else bits_sub(
align(processor.registers.get_pc(), 4),
self.imm32, 32)
if have_lpae() and address[29:32] == "0b000":
data = processor.mem_a_get(address, 8)
if processor.big_endian():
processor.registers.set(self.t, data[0:32])
processor.registers.set(self.t2, data[32:64])
else:
processor.registers.set(self.t, data[32:64])
processor.registers.set(self.t2, data[0:32])
else:
processor.registers.set(self.t,
processor.mem_a_get(address, 4))
processor.registers.set(
self.t2,
processor.mem_a_get(
bits_add(address, BitArray(bin="0b100"), 32), 4))
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)
if have_lpae() and lower_chunk(address, 3) == 0b000:
if processor.big_endian():
data = chain(processor.registers.get(self.t),
processor.registers.get(self.t2), 32)
else:
data = chain(processor.registers.get(self.t2),
processor.registers.get(self.t), 32)
processor.mem_a_set(address, 8, data)
else:
processor.mem_a_set(address, 4,
processor.registers.get(self.t))
processor.mem_a_set(bits_add(address, 4, 32), 4,
processor.registers.get(self.t2))
if self.wback:
processor.registers.set(self.n, offset_addr)
def execute(self, processor):
if processor.condition_passed():
offset_addr = bits_add(processor.registers.get(self.n),
processor.registers.get(self.m),
32) if self.add else bits_sub(
processor.registers.get(self.n),
processor.registers.get(self.m), 32)
address = offset_addr if self.index else processor.registers.get(
self.n)
if have_lpae() and substring(address, 2, 0) == 0b000:
if processor.big_endian():
data = chain(processor.registers.get(self.t),
processor.registers.get(self.t2), 32)
else:
data = chain(processor.registers.get(self.t2),
processor.registers.get(self.t), 32)
processor.mem_a_set(address, 8, data)
else:
processor.mem_a_set(address, 4,
processor.registers.get(self.t))
processor.mem_a_set(bits_add(address, 4, 32), 4,
processor.registers.get(self.t2))
if self.wback:
processor.registers.set(self.n, offset_addr)