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# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
from pkg_resources import parse_version
from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
from enum import Enum
import collections
if parse_version(ks_version) < parse_version('0.7'):
raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version))
class Uimage(KaitaiStruct):
"""The new uImage format allows more flexibility in handling images of various
types (kernel, ramdisk, etc.), it also enhances integrity protection of images
with sha1 and md5 checksums.
.. seealso::
Source - https://github.com/EmcraftSystems/u-boot/blob/master/include/image.h
"""
class UimageOs(Enum):
invalid = 0
openbsd = 1
netbsd = 2
freebsd = 3
bsd4_4 = 4
linux = 5
svr4 = 6
esix = 7
solaris = 8
irix = 9
sco = 10
dell = 11
ncr = 12
lynxos = 13
vxworks = 14
psos = 15
qnx = 16
u_boot = 17
rtems = 18
artos = 19
unity = 20
integrity = 21
class UimageArch(Enum):
invalid = 0
alpha = 1
arm = 2
i386 = 3
ia64 = 4
mips = 5
mips64 = 6
ppc = 7
s390 = 8
sh = 9
sparc = 10
sparc64 = 11
m68k = 12
nios = 13
microblaze = 14
nios2 = 15
blackfin = 16
avr32 = 17
st200 = 18
class UimageComp(Enum):
none = 0
gzip = 1
bzip2 = 2
lzma = 3
lzo = 4
class UimageType(Enum):
invalid = 0
standalone = 1
kernel = 2
ramdisk = 3
multi = 4
firmware = 5
script = 6
filesystem = 7
flatdt = 8
kwbimage = 9
imximage = 10
SEQ_FIELDS = ["header", "data"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['header']['start'] = self._io.pos()
self.header = self._root.Uheader(self._io, self, self._root)
self.header._read()
self._debug['header']['end'] = self._io.pos()
self._debug['data']['start'] = self._io.pos()
self.data = self._io.read_bytes(self.header.len_image)
self._debug['data']['end'] = self._io.pos()
class Uheader(KaitaiStruct):
SEQ_FIELDS = ["magic", "header_crc", "timestamp", "len_image", "load_address", "entry_address", "data_crc", "os_type", "architecture", "image_type", "compression_type", "name"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['magic']['start'] = self._io.pos()
self.magic = self._io.ensure_fixed_contents(b"\x27\x05\x19\x56")
self._debug['magic']['end'] = self._io.pos()
self._debug['header_crc']['start'] = self._io.pos()
self.header_crc = self._io.read_u4be()
self._debug['header_crc']['end'] = self._io.pos()
self._debug['timestamp']['start'] = self._io.pos()
self.timestamp = self._io.read_u4be()
self._debug['timestamp']['end'] = self._io.pos()
self._debug['len_image']['start'] = self._io.pos()
self.len_image = self._io.read_u4be()
self._debug['len_image']['end'] = self._io.pos()
self._debug['load_address']['start'] = self._io.pos()
self.load_address = self._io.read_u4be()
self._debug['load_address']['end'] = self._io.pos()
self._debug['entry_address']['start'] = self._io.pos()
self.entry_address = self._io.read_u4be()
self._debug['entry_address']['end'] = self._io.pos()
self._debug['data_crc']['start'] = self._io.pos()
self.data_crc = self._io.read_u4be()
self._debug['data_crc']['end'] = self._io.pos()
self._debug['os_type']['start'] = self._io.pos()
self.os_type = KaitaiStream.resolve_enum(self._root.UimageOs, self._io.read_u1())
self._debug['os_type']['end'] = self._io.pos()
self._debug['architecture']['start'] = self._io.pos()
self.architecture = KaitaiStream.resolve_enum(self._root.UimageArch, self._io.read_u1())
self._debug['architecture']['end'] = self._io.pos()
self._debug['image_type']['start'] = self._io.pos()
self.image_type = KaitaiStream.resolve_enum(self._root.UimageType, self._io.read_u1())
self._debug['image_type']['end'] = self._io.pos()
self._debug['compression_type']['start'] = self._io.pos()
self.compression_type = KaitaiStream.resolve_enum(self._root.UimageComp, self._io.read_u1())
self._debug['compression_type']['end'] = self._io.pos()
self._debug['name']['start'] = self._io.pos()
self.name = (KaitaiStream.bytes_terminate(self._io.read_bytes(32), 0, False)).decode(u"UTF-8")
self._debug['name']['end'] = self._io.pos()
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