def get_debug_firmware_id_string(self):
"""Gets firmware id in string.
Returns:
int: The firmware ID string from our debug information.
"""
# Read the address via get_var_strict; this will fetch the value
# from chipdata as well, but we can ignore it.
chip_str = self.chipdata.get_var_strict('$_build_identifier_string')
rawstr = self.debuginfo.get_dm_const(chip_str.address, chip_str.size)
decoded_str = ""
for chars in rawstr:
if Arch.addr_per_word == 4:
# The raw string is encoded with four chars per word
string = cu.get_string_from_word(Arch.addr_per_word, chars)
stop_decoding = False
for char in string:
if char != '\0':
decoded_str += char
else:
stop_decoding = True
break
if stop_decoding:
break
else:
# The raw string is encoded with two chars per word
upper_part = (chars & 0xFF00) >> 8
lower_part = chars & 0x00FF
# strip the null terminator.
if upper_part != 0:
decoded_str += chr(upper_part)
else:
break
if lower_part != 0:
decoded_str += chr(lower_part)
else:
break
return decoded_str.strip() # Strip any leading/trailing whitespace
def get_firmware_id_string(self):
"""Returns the firmware ID string."""
unpacked_string = False
# Find the address of the string in memory
id_string_addr = self._get_slt_entry(3)
if id_string_addr is None:
# maybe it's not packed in this slt
id_string_addr = self._get_slt_entry(2)
if id_string_addr is None:
# Can't find it in the slt return None
return None
unpacked_string = True
# parse the null terminated string
last = build_string = ""
# There is no reason for the build string to contain
# any non ASCII character but do it like this to avoid
# breaking support for Python 2.7
try:
char = unichr
except NameError:
char = chr
while last != "\0":
word = self.get_data(id_string_addr)
if unpacked_string:
if Arch.addr_per_word == 4:
# Two char per word
build_string += char(word & 0x00FFFF)
if build_string[-1] == "\0":
break
last = char((word & 0xFFFF0000) >> 16)
build_string += last
else:
# Only one char per word
last = char(word)
build_string += last
else:
# Four chars per word
if Arch.addr_per_word == 4:
string = cu.get_string_from_word(Arch.addr_per_word, word)
stop_decoding = False
for char in string:
if char != '\0':
build_string += char
else:
stop_decoding = True
break
last = string[3:]
if stop_decoding:
break
else:
# Two chars per word
build_string += char((word & 0xFF00) >> 8)
if build_string[-1] == "\0":
break
last = char(word & 0x00FF)
build_string += last
# Move to the next word in the string
id_string_addr += Arch.addr_per_word
# remove the \0 we don't want the terminator
if build_string[-1] == "\0":
build_string = build_string[:-1]
return build_string.strip()
def get_firmware_id_string(self):
"""
@brief Returns the firmware ID string
@param[in] self Pointer to the current object
"""
unpacked_string = False
# Find the address of the string in memory
id_string_addr = self._get_slt_entry(3)
if id_string_addr is None:
# maybe it's not packed in this slt
id_string_addr = self._get_slt_entry(2)
if id_string_addr is None:
# Can't find it in the slt return None
return None
unpacked_string = True
# parse the null terminated string
last = build_string = ""
while last != "\0":
word = self.get_data(id_string_addr)
if unpacked_string:
if Arch.addr_per_word == 4:
# Two char per word
build_string += unichr(word & 0x00FFFF)
if build_string[-1] == "\0":
break
last = unichr((word & 0xFFFF0000) >> 16)
build_string += last
else:
# Only one char per word
last = unichr(word)
build_string += last
else:
# Four chars per word
if Arch.addr_per_word == 4:
string = cu.get_string_from_word(Arch.addr_per_word, word)
stop_decoding = False
for char in string:
if char != '\0':
build_string += char
else:
stop_decoding = True
break
last = string[3:]
if stop_decoding:
break
else:
# Two chars per word
build_string += unichr((word & 0xFF00) >> 8)
if build_string[-1] == "\0":
break
last = unichr(word & 0x00FF)
build_string += last
# Move to the next word in the string
id_string_addr += Arch.addr_per_word
# remove the \0 we don't want the terminator
if build_string[-1] == "\0":
build_string = build_string[:-1]
return build_string.strip()
