def __call__(self, building_block, target):
"""
:param building_block:
:param target:
"""
reg = [
reg for reg in target.registers.values()
if reg.name == self._register_name
][0]
value = self._value
if (reg in building_block.context.reserved_registers
and self._reserve):
raise MicroprobeCodeGenerationError("Register '%s' already"
" reserved" % str(reg))
if reg in target.control_registers and self._force_control is False:
raise MicroprobeCodeGenerationError(
"Register '%s' in Target definition control"
" registers" % str(reg))
if callable(value):
value = value()
if reg.used_for_float_arithmetic:
value = ieee_float_to_int64(float(value))
if (target.wrapper.direct_initialization_support
and not self._force_code):
target.wrapper.register_direct_init(reg, value)
else:
building_block.add_init(
target.set_register(reg, value, building_block.context))
building_block.context.set_register_value(reg, value)
if (self._reserve is not False
and reg not in building_block.context.reserved_registers):
building_block.context.add_reserved_registers([reg])
def __call__(self, building_block, target):
"""
:param building_block:
:param target:
"""
variable_to_declare = False
addresses_set = []
context = building_block.context
for bbl in building_block.cfg.bbls:
for instr in bbl.instrs:
# if not instr.hfp_exponent_overflow_exception:
# continue
is_float = False
for operand in instr.operands():
if operand.type.float and operand.is_input:
is_float = True
if not is_float:
continue
for memoperand in instr.memory_operands():
if memoperand.address is None:
continue
if memoperand.address in addresses_set:
continue
if memoperand.is_load:
if variable_to_declare is False:
variable_to_declare = True
reg2 = target.get_register_for_address_arithmetic(
context)
instrs = target.set_register(
reg2, ieee_float_to_int64(self._value),
context)
building_block.add_init(instrs)
context.set_register_value(
reg2, ieee_float_to_int64(self._value))
context.add_reserved_registers([reg2])
reg1 = target.get_register_for_address_arithmetic(
context)
context.add_reserved_registers([reg1])
instrs = target.set_register_to_address(
reg1, memoperand.address, context)
context.set_register_value(reg1, memoperand.address)
instrs += target.store_integer(reg2,
memoperand.address, 64,
context)
context.set_memory_value(
MemoryValue(memoperand.address, self._value, 8))
addresses_set.append(memoperand.address)
building_block.add_init(instrs)
LOG.debug("Instruction: %s: %s", instr.address, instr)
LOG.debug("Address: %s", memoperand.address)
if variable_to_declare:
context.remove_reserved_registers([reg1, reg2])
def declare_global_var(self, var):
"""
:param var:
"""
section_name = ".data.microprobe.data.%s" % var.name
section_address = var.address.displacement
if var.address.base_address == "code":
section_address += 0
elif var.address.base_address == "data":
section_address += 0
else:
section_address = None
# raise NotImplementedError(str(var.address))
# make sure we always have the same state
random = Random()
random.seed(10)
if var.array():
typesize = var.size // var.elems
else:
typesize = var.size
str_fmt = "%%0%dx" % (typesize * 2)
myvalue = var.value
if myvalue is None:
if var.array():
myvalue = [random.randint(0, (2**(typesize*8)-1))
for elem in range(0, var.elems)]
else:
myvalue = random.randint(0, (2**(typesize*8)-1))
if not var.array:
if not isinstance(myvalue, list):
value = myvalue
else:
LOG.warning(
"Multiple initial values specified for a "
"single element variable. Var: '%s'", var
)
value = myvalue[0]
values = [value]
else:
elems = var.size // typesize
if not isinstance(myvalue, list):
values = [myvalue] * elems
else:
values = (myvalue * ((len(myvalue) // elems) + 1))[
0:elems]
for idx, value in enumerate(values):
if callable(value):
value = value()
if isinstance(value, float):
values[idx] = ieee_float_to_int64(value)
assert var.type in ["float", "double"]
elif isinstance(value, six.integer_types):
values[idx] = value
else:
raise MicroprobeCodeGenerationError(
"Unable to initialize variable var: '%s' "
"to value '%s'" % (myvalue, type(myvalue))
)
value_str = [str_fmt % value for value in values]
value_str = "".join(value_str)
value_str = ["0x%s" % value_str[i:i+2]
for i in range(0, len(value_str), 2)]
value_str = ".byte %s" % ",".join(value_str)
astr = []
if False:
if var.array():
value = var.value
if var.value is not None:
value = [0]
valuestr = ""
if not isinstance(value, list):
value = [value]
get_value = getnextf(itertools.cycle(value))
for dummy_idx in range(var.elems):
value = get_value()
if callable(value):
value = value()
valuestr = "%s%s," % (valuestr, value)
else:
value = var.value
if var.value is not None:
value = 0
valuestr = ".byte 0x%x" % value
if section_address is not None:
astr.append("# MICROPROBE LD @ %s 0x%X : { *(%s) } " %
(section_name, section_address, section_name))
else:
astr.append("# MICROPROBE LD @ %s : { *(%s) } " %
(section_name, section_name))
astr.append(".section %s" % section_name)
astr.append(".global %s" % var.name)
astr.append("%s:" % var.name)
astr.append("%s\n" % value_str)
return "\n".join(astr)
def __call__(self, building_block, target):
"""
:param building_block:
:param target:
"""
if not self._skip_unknown:
for register_name in self._reg_dict:
if register_name not in list(target.registers.keys()):
raise MicroprobeCodeGenerationError(
"Unknown register name: '%s'. Unable to set it" %
register_name)
if self._warn_unknown:
for register_name in self._reg_dict:
if register_name not in list(target.registers.keys()):
print_warning(
"Unknown register name: '%s'. Unable to set it" %
register_name)
for reg in target.registers.values():
value = None
elemsize = None
if reg.name in self._reg_dict:
value = self._reg_dict[reg.name]
self._reg_dict.pop(reg.name)
if (reg in building_block.context.reserved_registers
and not self._force_reserved):
LOG.debug("Skip reserved - %s", reg)
continue
elif reg in target.control_registers:
LOG.debug("Skip control - %s", reg)
continue
if value is None:
if reg.used_for_vector_arithmetic:
if self._vect_value is not None:
value = self._vect_value
elemsize = self._vect_elemsize
else:
LOG.debug("Skip no vector default value provided - %s",
reg)
continue
elif reg.used_for_float_arithmetic:
if self._fp_value is not None:
value = self._fp_value
else:
LOG.debug("Skip no float default value provided - %s",
reg)
continue
else:
if self._value is not None:
value = self._value
else:
LOG.debug("Skip no default value provided - %s", reg)
continue
while callable(value):
value = value()
if reg.used_for_float_arithmetic:
value = ieee_float_to_int64(float(value))
elif reg.used_for_vector_arithmetic:
if isinstance(value, float):
if elemsize != 64:
raise MicroprobeCodeGenerationError(
"Unable to initialize '%s' to '%s'. Only 64bit"
" vector element initialization is supported" %
(reg.name, (value, elemsize)))
value = ieee_float_to_int64(float(value))
value = "%d_%d" % (value, elemsize)
else:
value = "%d_%d" % (value, elemsize)
LOG.debug("Set '%s' to '0x%x'", reg, value)
if (target.wrapper.direct_initialization_support
and not self._force_code):
try:
target.wrapper.register_direct_init(reg, value)
except MicroprobeCodeGenerationError:
building_block.add_init(
target.set_register(reg, value,
building_block.context))
except MicroprobeDuplicatedValueError:
LOG.debug("Skip already set - %s", reg)
else:
building_block.add_init(
target.set_register(reg, value, building_block.context))
building_block.context.set_register_value(reg, value)