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bluetooth: hci responses seem to be present

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Signed-off-by: R <rqou@berkeley.edu>
This commit is contained in:
R 2022-04-10 05:12:37 -07:00
parent c29bf9a37f
commit 40abf193e9
1 changed files with 88 additions and 9 deletions
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97
proxyclient/hv/trace_bt.py
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@ -64,6 +64,36 @@ ClosePipeMessage = namedtuple('ClosePipeMessage', [
CLOSEPIPE_STR = "<B1sH48s"
OpenCompletionRingMessage = namedtuple('OpenCompletionRingMessage', [
'type',
'head_size',
'foot_size',
'pad_0x3_',
'cr_idx',
'cr_idx_',
'ring_iova',
'ring_count',
'unk_0x12_',
'pad_0x16_',
'msi',
'intmod_delay',
'intmod_bytes',
'accum_delay',
'accum_bytes',
'pad_0x2a_',
])
OPENCOMPLETIONRING_STR = "<BBB1sHHQHI6sHHIHI10s"
CloseCompletionRingMessage = namedtuple('CloseCompletionRingMessage', [
'type',
'pad_0x1_',
'cr_idx',
'pad_0x4_'
])
CLOSECOMPLETIONRING_STR = "<B1sH48s"
class BTBAR0Regs(RegMap):
IMG_DOORBELL = 0x140, Register32
RTI_CONTROL = 0x144, Register32
@ -261,16 +291,26 @@ class BTTracer(MemRangeTracer):
self.trace(physaddr, sz, TraceMode.SYNC, prefix=name)
hook('perInfo', context.perInfo, 0x10)
hook('crHIA', context.crHIA, 12)
hook('crTIA', context.crTIA, 12)
hook('trHIA', context.trHIA, 18)
hook('trTIA', context.trTIA, 18)
hook('mcr', context.mcr, 0x800) # no idea size
hook('mtr', context.mtr, 0x800) # i _think_ this is correct
# hook('crHIA', context.crHIA, 12)
# hook('crTIA', context.crTIA, 12)
# hook('trHIA', context.trHIA, 18)
# hook('trTIA', context.trTIA, 18)
# hook('mcr', context.mcr, 0x800) # no idea size
# hook('mtr', context.mtr, 0x800) # i _think_ this is correct
crhia_physaddr = self.dart_tracer.dart.iotranslate(STREAM, context.crHIA, 1)[0][0]
self.hv.add_tracer(
irange(crhia_physaddr, 4),
self.ident,
TraceMode.SYNC,
self.completion_hax_event,
None
)
self._ctx = context
self._last_ring_idx = {}
self._open_pipes = {}
self._open_crs = {}
except Exception as e:
print(e)
@ -306,26 +346,65 @@ class BTTracer(MemRangeTracer):
print(open_pipe)
self._open_pipes[open_pipe.pipe_idx] = open_pipe
elif msg_type == 2:
open_cr = OpenCompletionRingMessage._make(struct.unpack(OPENCOMPLETIONRING_STR, data))
print(open_cr)
self._open_crs[open_cr.cr_idx] = open_cr
elif msg_type == 3:
close_pipe = ClosePipeMessage._make(struct.unpack(CLOSEPIPE_STR, data))
print(close_pipe)
del self._open_pipes[close_pipe.pipe_idx]
self._last_ring_idx[close_pipe.pipe_idx] = 0
elif msg_type == 4:
close_cr = CloseCompletionRingMessage._make(struct.unpack(CLOSECOMPLETIONRING_STR, data))
print(close_cr)
del self._open_crs[close_cr.cr_idx]
elif pipe in self._open_pipes:
tr_iova = self._open_pipes[pipe].ring_iova
tr_ent_sz = self._open_pipes[pipe].foot_size * 4 + 0x10
for i in range(self._last_ring_idx[pipe], ring_idx):
# FIXME where does this size come from?
tr_data_addr = tr_iova + 0x118 * i
tr_data_addr = tr_iova + tr_ent_sz * i
print(f"TR idx {i} @ iova {tr_data_addr:016X}")
tr_data = self.dart_tracer.dart.ioread(STREAM, tr_data_addr, 0x118)
tr_data = self.dart_tracer.dart.ioread(STREAM, tr_data_addr, tr_ent_sz)
chexdump(tr_data)
except Exception as e:
print(e)
self._last_ring_idx[pipe] = ring_idx
def completion_hax_event(self, evt):
print("Checking completion rings!")
try:
cr_heads = struct.unpack("<HHHHHH", self.dart_tracer.dart.ioread(STREAM, self._ctx.crHIA, 12))
cr_tails = struct.unpack("<HHHHHH", self.dart_tracer.dart.ioread(STREAM, self._ctx.crTIA, 12))
for cr_idx in range(6):
print(f"CR {cr_idx} head {cr_heads[cr_idx]} tail {cr_tails[cr_idx]}")
if cr_idx == 0:
cr_iova_base = self._ctx.mcr
cr_ent_sz = 0x10
else:
if cr_idx not in self._open_crs:
print(f"CR {cr_idx} not open")
continue
cr_iova_base = self._open_crs[cr_idx].ring_iova
cr_ent_sz = self._open_crs[cr_idx].foot_size * 4 + 0x10
for cr_ring_idx in range(cr_tails[cr_idx], cr_heads[cr_idx]):
cr_data_addr = cr_iova_base + cr_ent_sz * cr_ring_idx
print(f"CR idx {cr_ring_idx} @ iova {cr_data_addr:016X}")
cr_data = self.dart_tracer.dart.ioread(STREAM, cr_data_addr, cr_ent_sz)
chexdump(cr_data)
except Exception as e:
print(e)
BTTracer = BTTracer._reloadcls()