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authorAndrew Lamoureux <andrew@vector35.com>2019-03-19 17:32:44 -0400
committerRusty Wagner <rusty@vector35.com>2019-03-20 13:00:17 -0400
commit24ead55316ac8497df5842caf4e1d51f2b799787 (patch)
tree3dfdfae8a076445c9d24bf6d1b40e57f36ebf94a /python/examples/kaitai/uimage.py
parent411acbaa4a1d217e731d3df0b189445117be3b26 (diff)
kaitai: adjustments and rearrangements for python2/3 compat
Diffstat (limited to 'python/examples/kaitai/uimage.py')
-rw-r--r--python/examples/kaitai/uimage.py148
1 files changed, 148 insertions, 0 deletions
diff --git a/python/examples/kaitai/uimage.py b/python/examples/kaitai/uimage.py
new file mode 100644
index 00000000..8d588ae9
--- /dev/null
+++ b/python/examples/kaitai/uimage.py
@@ -0,0 +1,148 @@
+# 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()
+
+
+