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|
from enum import IntEnum
from construct import *
from io import BytesIO
from m1n1.utils import FourCC, chexdump
from m1n1.constructutils import ZPadding
from m1n1.fw.afk.epic import EPICCmd, EPICCategory
EPICSubHeaderVer2 = Struct(
"length" / Int32ul,
"version" / Default(Int8ul, 2),
"category" / EPICCategory,
"type" / Hex(Int16ul),
"timestamp" / Default(Int64ul, 0),
"unk1" / Default(Hex(Int32ul), 0),
"unk2" / Default(Hex(Int32ul), 0),
)
class AOPAudioPropKey(IntEnum):
IS_READY = 0x01
UNK_11 = 0x11
PLACEMENT = 0x1e
UNK_21 = 0x21
ORIENTATION = 0x2e
LOCATION_ID = 0x30
SERIAL_NO = 0x3e
VENDOR_ID = 0x5a
PRODUCT_ID = 0x5b
SERVICE_CONTROLLER = 0x64
DEVICE_COUNT = 0x65
VERSION = 0x67
class EPICCall:
@classmethod
def matches(cls, hdr, sub):
return int(sub.type) == cls.TYPE
def _args_fixup(self):
pass
def __init__(self, *args, **kwargs):
if args:
self.args = args[0]
else:
self.args = Container(**kwargs)
self._args_fixup()
self.rets = None
@classmethod
def from_stream(cls, f):
return cls(cls.ARGS.parse_stream(f))
def dump(self, logger=None):
if logger is None:
logger = print
args_fmt = [f"{k}={v}" for (k, v) in self.args.items() if k != "_io"]
rets_fmt = [f"{k}={v}" for (k, v) in self.rets.items() if k != "_io"]
logger(f"{type(self).__name__}({', '.join(args_fmt)}) -> ({', '.join(rets_fmt)})")
def read_resp(self, f):
self.rets = self.RETS.parse_stream(f)
CALLTYPES = []
def reg_calltype(calltype):
CALLTYPES.append(calltype)
return calltype
@reg_calltype
class GetHIDDescriptor(EPICCall):
TYPE = 0x1
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
)
RETS = Struct(
"retcode" / Default(Hex(Int32ul), 0),
"descriptor" / HexDump(GreedyBytes),
)
@reg_calltype
class GetProperty(EPICCall):
TYPE = 0xa
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
"key" / Enum(Int32ul, AOPAudioPropKey),
)
RETS = Struct(
#"blank" / Const(0x0, Int32ul),
"value" / GreedyBytes,
)
@reg_calltype
class WrappedCall(EPICCall):
SUBCLASSES = {}
TYPE = 0x20
HDR = Struct(
"blank" / Const(0x0, Int32ul),
"unk1" / Hex(Const(0xffffffff, Int32ul)),
"calltype" / Hex(Int32ul),
"blank2" / ZPadding(16),
"pad" / Hex(Int32ul),
"len" / Hex(Int64ul),
"residue" / HexDump(GreedyBytes),
)
@classmethod
def from_stream(cls, f):
payload = f.read()
subsub = cls.HDR.parse(payload)
calltype = int(subsub.calltype)
subcls = cls.SUBCLASSES.get(calltype, None)
if subcls is None:
raise ValueError(f"unknown calltype {calltype:#x}")
return subcls(subcls.ARGS.parse(payload))
@classmethod
def reg_subclass(cls, cls2):
cls.SUBCLASSES[int(cls2.CALLTYPE)] = cls2
return cls2
@classmethod
def matches(cls, hdr, sub):
return sub.category == EPICCategory.NOTIFY and sub.type == cls.TYPE
def check_retcode(self):
if self.rets.retcode:
self.dump()
raise ValueError(f"retcode {self.rets.retcode} in {str(type(self))} (call dumped, see above)")
@WrappedCall.reg_subclass
class AttachDevice(WrappedCall):
CALLTYPE = 0xc3_00_00_02
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
"unk1" / Hex(Const(0xffffffff, Int32ul)),
"calltype" / Hex(Const(0xc3000002, Int32ul)),
"blank2" / ZPadding(16),
"pad" / Padding(4),
"len" / Hex(Const(0x2c, Int64ul)),
"devid" / FourCC,
"pad" / Padding(4),
)
RETS = Struct(
"retcode" / Default(Hex(Int32ul), 0),
"unk" / HexDump(GreedyBytes),
)
@WrappedCall.reg_subclass
class ProbeDevice(WrappedCall):
CALLTYPE = 0xc3_00_00_01
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
"unk1" / Hex(Const(0xffffffff, Int32ul)),
"calltype" / Hex(Const(0xc3000001, Int32ul)),
"blank2" / ZPadding(16),
"pad" / Padding(4),
"len" / Hex(Const(0x28, Int64ul)),
"devno" / Int32ul,
)
RETS = Struct(
"retcode" / Default(Hex(Int32ul), 0),
"devid" / FourCC,
"blank2" / Const(0x0, Int32ul),
"unk1" / Const(8, Int32ul),
"blank3" / Const(0x0, Int32ul),
"unk2" / Hex(Const(0x01_0d_1c_20, Int32ul)),
"blank4" / Const(0x0, Int32ul),
"remainder" / HexDump(GreedyBytes),
)
PDMConfig = Struct(
"unk1" / Int32ul,
"clockSource" / FourCC,
"pdmFrequency" / Int32ul,
"unk3_clk" / Int32ul,
"unk4_clk" / Int32ul,
"unk5_clk" / Int32ul,
"channelPolaritySelect" / Hex(Int32ul),
"unk7" / Hex(Int32ul),
"unk8" / Hex(Int32ul),
"unk9" / Hex(Int16ul),
"ratios" / Struct(
"r1" / Int8ul,
"r2" / Int8ul,
"r3" / Int8ul,
"pad" / Default(Int8ul, 0),
),
"filterLengths" / Hex(Int32ul),
"coeff_bulk" / Int32ul,
#"coefficients" / Struct(
# "c1" / Int32sl[this._.ratios.r3 * 4 + 4],
# "c2" / Int32sl[this._.ratios.r2 * 4 + 4],
# "c3" / Int32sl[this._.ratios.r1 * 4 + 4],
#),
#"junk" / Padding(
# this.coeff_bulk * 4 - 48 \
# - (this.ratios.r1 + this.ratios.r2 + this.ratios.r3) * 16
#),
"coefficients" / Int32sl[
(this.ratios.r1 + this.ratios.r2 + this.ratios.r3) * 4 + 12
],
"junk" / Padding(
lambda this: max(0,
this.coeff_bulk * 4 - 48 \
- (this.ratios.r1 + this.ratios.r2 + this.ratios.r3) * 16
)
),
"unk10" / Int32ul, # maybe
"micTurnOnTimeMs" / Int32ul,
"blank" / ZPadding(16),
"unk11" / Int32ul,
"micSettleTimeMs" / Int32ul,
"blank2" / ZPadding(69),
)
DecimatorConfig = Struct(
"latency" / Int32ul,
"ratios" / Struct(
"r1" / Int8ul,
"r2" / Int8ul,
"r3" / Int8ul,
"pad" / Default(Int8ul, 0),
),
"filterLengths" / Hex(Int32ul),
"coeff_bulk" / Int32ul,
"coefficients" / Int32sl[
(this.ratios.r1 + this.ratios.r2 + this.ratios.r3) * 4 + 12
],
"junk" / Padding(
lambda this: max(0,
this.coeff_bulk * 4 - 48 \
- (this.ratios.r1 + this.ratios.r2 + this.ratios.r3) * 16
)
),
)
PowerSetting = Struct(
"devid" / FourCC,
"cookie" / Int32ul,
"pad" / Padding(4),
"blank" / ZPadding(8),
"target_pstate" / FourCC,
"unk2" / Int32ul,
"blank2" / ZPadding(20),
)
DEVPROPS = {
('hpai', 202): PowerSetting,
('lpai', 202): PowerSetting,
('hpai', 200): FourCC,
('lpai', 200): FourCC,
('pdm0', 200): PDMConfig,
('pdm0', 210): DecimatorConfig,
('lpai', 301): Struct(
"unk1" / Int32ul,
"unk2" / Int32ul,
"unk3" / Int32ul,
"unk4" / Int32ul,
),
}
@WrappedCall.reg_subclass
class GetDeviceProp(WrappedCall):
CALLTYPE = 0xc3_00_00_04
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
"unk1" / Hex(Const(0xffffffff, Int32ul)),
"calltype" / Hex(Const(0xc3000004, Int32ul)),
"blank2" / ZPadding(16),
"pad" / Padding(4),
"len" / Hex(Const(0x30, Int64ul)),
"devid" / FourCC,
"modifier" / Int32ul,
"unk6" / Hex(Const(0x01, Int32ul)),
)
RETS = Struct(
"retcode" / Default(Hex(Int32ul), 0),
"len" / Optional(Int32ul),
"data" / Switch(lambda s: (s._params.devid, s._params.modifier),
DEVPROPS,
default=HexDump(GreedyBytes))
)
def read_resp(self, f):
self.rets = self.RETS.parse_stream(f,
devid=self.args.devid, modifier=self.args.modifier
)
@WrappedCall.reg_subclass
class SetDeviceProp(WrappedCall):
CALLTYPE = 0xc3_00_00_05
ARGS = Struct(
"blank" / Const(0x0, Int32ul),
"unk1" / Hex(Const(0xffffffff, Int32ul)),
"calltype" / Hex(Const(0xc3000005, Int32ul)),
"blank2" / ZPadding(16),
"pad" / Padding(4),
"len" / Hex(Int64ul), # len(this.data) + 0x30
"devid" / FourCC,
"modifier" / Int32ul,
"len2" / Hex(Int32ul), # len(this.data)
"data" / Switch(lambda s: (s.devid, s.modifier),
DEVPROPS,
default=HexDump(GreedyBytes))
)
RETS = Struct(
"retcode" / Default(Hex(Int32ul), 0),
"unk" / HexDump(GreedyBytes),
)
def _args_fixup(self):
data_len = len(self.ARGS.build(Container(len=0, len2=0, **self.args))) - 52
if 'len' not in self.args:
self.args.len = data_len + 0x30
if 'len2' not in self.args:
self.args.len2 = data_len
@reg_calltype
class IndirectCall(EPICCall):
ARGS = EPICCmd
RETS = EPICCmd
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.txbuf = None
self.rxbuf = None
@classmethod
def matches(cls, hdr, sub):
return sub.category == EPICCategory.COMMAND
def read_txbuf(self, ep):
cmd = self.args
ep.dart.invalidate_cache()
self.txbuf = ep.dart.ioread(0, cmd.txbuf, cmd.txlen)
# dump the command data for offline replays of traces
ep.log(f"===COMMAND TX DATA=== addr={cmd.txbuf:#x}")
chexdump(self.txbuf)
ep.log(f"===END DATA===")
def read_rxbuf(self, ep):
cmd = self.rets
ep.dart.invalidate_cache()
self.rxbuf = ep.dart.ioread(0, cmd.rxbuf, cmd.rxlen)
ep.log(f"===COMMAND RX DATA=== addr={cmd.rxbuf:#x}")
chexdump(self.rxbuf)
ep.log(f"===END DATA===")
def unwrap(self):
fd = BytesIO()
fd.write(b"\x00\x00\x00\x00")
fd.write(self.txbuf)
fd.seek(0)
wrapped = WrappedCall.from_stream(fd)
fd = BytesIO()
fd.write(b"\x00\x00\x00\x00")
fd.write(self.rxbuf)
fd.seek(0)
wrapped.read_resp(fd)
return wrapped
|
