def __init__(self):
super(MPTable, self).__init__()
u = unpack.Unpackable(self._floating_pointer_memory)
self.add_field('floating_pointer', FloatingPointer(u))
self._base_header_memory = bits.memory(
self.floating_pointer.physical_address_pointer, 44)
u = unpack.Unpackable(self._base_header_memory)
self.add_field('header', Header(u), "\n\n{!r}")
self._base_table_memory = bits.memory(
self.floating_pointer.physical_address_pointer,
self.header.base_table_length)
u = unpack.Unpackable(self._base_table_memory)
u.skip(44)
self.add_field('base_structures',
unpack.unpack_all(u, _base_structures),
unpack.format_each("\n\n{!r}"))
self._extended_table_memory = bits.memory(
self.floating_pointer.physical_address_pointer +
self.header.base_table_length, self.header.extended_table_length)
u = unpack.Unpackable(self._extended_table_memory)
self.add_field('extended_structures',
unpack.unpack_all(u, _extended_structures),
unpack.format_each("\n\n{!r}"))
def __init__(self):
super(SMBIOS, self).__init__()
u = unpack.Unpackable(self._header_memory)
self.add_field('header', Header(u))
self._structure_memory = bits.memory(self.header.structure_table_address, self.header.structure_table_length)
u = unpack.Unpackable(self._structure_memory)
self.add_field('structures', unpack.unpack_all(u, _smbios_structures, self), unpack.format_each("\n\n{!r}"))
def __init__(self):
super(MPTable, self).__init__()
u = unpack.Unpackable(self._floating_pointer_memory)
self.add_field('floating_pointer', FloatingPointer(u))
self._base_header_memory = bits.memory(self.floating_pointer.physical_address_pointer, 44)
u = unpack.Unpackable(self._base_header_memory)
self.add_field('header', Header(u), "\n\n{!r}")
self._base_table_memory = bits.memory(self.floating_pointer.physical_address_pointer, self.header.base_table_length)
u = unpack.Unpackable(self._base_table_memory)
u.skip(44)
self.add_field('base_structures', unpack.unpack_all(u, _base_structures), unpack.format_each("\n\n{!r}"))
self._extended_table_memory = bits.memory(self.floating_pointer.physical_address_pointer + self.header.base_table_length, self.header.extended_table_length)
u = unpack.Unpackable(self._extended_table_memory)
self.add_field('extended_structures', unpack.unpack_all(u, _extended_structures), unpack.format_each("\n\n{!r}"))
def __new__(cls):
offset = find_mp_table()
if offset is None:
return None
mp = super(MPTable, cls).__new__(cls)
mp._floating_pointer_memory = bits.memory(offset, 0x10)
return mp
def __new__(cls):
offset = find_mp_table()
if offset is None:
return None
mp = super(MPTable, cls).__new__(cls)
mp._floating_pointer_memory = bits.memory(offset, 0x10)
return mp
def __new__(cls):
offset = find_pir_table()
if offset is None:
return None
pir = super(PIRTable, cls).__new__(cls)
pir._header_memory = bits.memory(offset, 0x20)
return pir
def __init__(self):
super(PIRTable, self).__init__()
u = unpack.Unpackable(self._header_memory)
self.add_field('header', Header(u), "\n\n{!r}")
self._table_memory = bits.memory(bits.memory_addr(self._header_memory), self.header.table_size)
u = unpack.Unpackable(self._table_memory)
u.skip(0x20)
self.add_field('structures', unpack.unpack_all(u, [SlotEntry]), unpack.format_each("\n\n{!r}"))
def find_mp_table():
if sys.platform == "BITS-EFI":
import efi
return efi.system_table.ConfigurationTableDict.get(efi.MPS_TABLE_GUID)
signature = struct.unpack("<I", "_MP_")[0]
address_ranges = valid_address_ranges + bad_address_ranges
bda = bits.memory(0x400, 0x100)
ebda_address = unpack.Unpackable(bda).unpack_one("<14xH") << 4
if ebda_address:
address_ranges.insert(0, (ebda_address, 0x400))
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, len(mem), 16):
if struct.unpack_from("<I", mem, offset)[0] == signature:
length = struct.unpack_from("8xB", mem, offset)[0]
if length == 1:
csum = sum(map(ord, mem[offset : offset + 16])) & 0xFF
if csum == 0:
return bits.memory_addr(mem) + offset
return None
def __new__(cls):
if sys.platform == "BITS-EFI":
import efi
sm_ptr = efi.system_table.ConfigurationTableDict.get(efi.SMBIOS_TABLE_GUID)
else:
mem = bits.memory(0xF0000, 0x10000)
signature = struct.unpack("<I", "_SM_")[0]
for offset in range(0, len(mem), 16):
if struct.unpack_from("I", mem, offset)[0] == signature:
entry_point_length = struct.unpack_from("B", mem, offset + 5)[0]
csum = sum(map(ord, mem[offset:offset + entry_point_length])) & 0xff
if csum == 0:
sm_ptr = bits.memory_addr(mem) + offset
break
else:
return None
if not sm_ptr:
return None
sm = super(SMBIOS, cls).__new__(cls)
sm._header_memory = bits.memory(sm_ptr, 0x1f)
return sm
def find_pir_table():
"""Find and validate the address of the PCI Interrupt Routing table"""
signature = struct.unpack("<I", "$PIR")[0]
address_ranges = valid_address_ranges + bad_address_ranges
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, len(mem), 16):
if struct.unpack_from("<I", mem, offset)[0] == signature:
table_size = struct.unpack_from("<H", mem, offset + 6)[0]
if table_size <= (size - offset) and ((table_size - 32) % 16 == 0):
csum = sum(ord(mem[c]) for c in range(offset, offset + table_size))
if csum & 0xff == 0:
return bits.memory_addr(mem) + offset
return None
def find_pir_table():
"""Find and validate the address of the PCI Interrupt Routing table"""
address_ranges = valid_address_ranges + bad_address_ranges
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, len(mem), 16):
signature = (ctypes.c_char * 4).from_address(address + offset).value
if signature == '$PIR':
table_size = ctypes.c_uint16.from_address(address + offset + 6).value
if table_size <= (size - offset) and ((table_size - 32) % 16 == 0):
csum = sum(ord(mem[c]) for c in range(offset, offset + table_size))
if csum & 0xff == 0:
return address + offset
return None
def find_pir_table():
"""Find and validate the address of the PCI Interrupt Routing table"""
address_ranges = valid_address_ranges + bad_address_ranges
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, len(mem), 16):
signature = (ctypes.c_char * 4).from_address(address +
offset).value
if signature == '$PIR':
table_size = ctypes.c_uint16.from_address(address + offset +
6).value
if table_size <= (size - offset) and ((table_size - 32) % 16
== 0):
csum = sum(
ord(mem[c])
for c in range(offset, offset + table_size))
if csum & 0xff == 0:
return address + offset
return None
def find_mp_table():
if sys.platform == "BITS-EFI":
import efi
return efi.system_table.ConfigurationTableDict.get(efi.MPS_TABLE_GUID)
address_ranges = valid_address_ranges + bad_address_ranges
bda_address = 0x400
ebda_address = ctypes.c_uint16.from_address(bda_address + 0x14).value << 4
if ebda_address:
address_ranges.insert(0, (ebda_address, 0x400))
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, size, 16):
signature = (ctypes.c_char * 4).from_address(address + offset).value
if signature == "_MP_":
length = ctypes.c_ubyte.from_address(address + offset + 8).value
if length == 1:
csum = sum(map(ord, mem[offset:offset+16])) & 0xff
if csum == 0:
return address + offset
return None
def find_mp_table():
if sys.platform == "BITS-EFI":
import efi
return efi.system_table.ConfigurationTableDict.get(efi.MPS_TABLE_GUID)
address_ranges = valid_address_ranges + bad_address_ranges
bda_address = 0x400
ebda_address = ctypes.c_uint16.from_address(bda_address + 0x14).value << 4
if ebda_address:
address_ranges.insert(0, (ebda_address, 0x400))
for address, size in address_ranges:
mem = bits.memory(address, size)
for offset in range(0, size, 16):
signature = (ctypes.c_char * 4).from_address(address +
offset).value
if signature == "_MP_":
length = ctypes.c_ubyte.from_address(address + offset +
8).value
if length == 1:
csum = sum(map(ord, mem[offset:offset + 16])) & 0xff
if csum == 0:
return address + offset
return None
def __init__(self, u, sm):
super(SmbiosBaseStructure, self).__init__()
self.start_offset = u.offset
length = u.unpack_peek_one("<xB")
self.raw_data = u.unpack_raw(length)
self.u = unpack.Unpackable(self.raw_data)
self.strings_offset = u.offset
def unpack_string():
return "".join(iter(lambda: u.unpack_one("c"), "\x00"))
strings = list(iter(unpack_string, ""))
if not strings:
u.skip(1)
self.strings_length = u.offset - self.strings_offset
self.raw_strings = str(bits.memory(sm.header.structure_table_address + self.strings_offset, self.strings_length))
if len(strings):
self.strings = strings
self.add_field('type', self.u.unpack_one("B"))
self.add_field('length', self.u.unpack_one("B"))
self.add_field('handle', self.u.unpack_one("<H"))