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# SPDX-License-Identifier: MIT
from construct import *
from ..fw.agx.channels import *
from ..fw.agx.cmdqueue import *
class GPUChannel:
STATE_FIELDS = ChannelStateFields
def __init__(self, agx, name, channel_id, state_addr, ring_addr, ring_size):
self.agx = agx
self.u = agx.u
self.name = name
self.channel_id = channel_id
self.iface = agx.u.iface
self.state_addr = state_addr
self.ring_addr = ring_addr
self.ring_size = ring_size
self.state = self.STATE_FIELDS(self.u, self.state_addr)
self.state.READ_PTR.val = 0
self.state.WRITE_PTR.val = 0
@classmethod
@property
def item_size(cls):
return cls.MSG_CLASS.sizeof()
def log(self, msg):
self.agx.log(f"[{self.name}] {msg}")
class GPUTXChannel(GPUChannel):
def doorbell(self):
self.agx.asc.db.doorbell(self.channel_id)
def send_message(self, msg):
wptr = self.state.WRITE_PTR.val
self.iface.writemem(self.ring_addr + self.item_size * wptr,
msg.build())
self.state.WRITE_PTR.val = (wptr + 1) % self.ring_size
self.doorbell()
class GPURXChannel(GPUChannel):
def poll(self):
wptr = self.state.WRITE_PTR.val
rptr = self.state.READ_PTR.val
if wptr >= self.ring_size:
raise Exception(f"wptr = {wptr:#x} > {self.ring_size:#x}")
while rptr != wptr:
msg = self.iface.readmem(self.ring_addr + self.item_size * rptr,
self.item_size)
self.handle_message(self.MSG_CLASS.parse(msg))
rptr = (rptr + 1) % self.ring_size
self.state.READ_PTR.val = rptr
def handle_message(self, msg):
self.log(f"Message: {msg}")
class GPUCmdQueueChannel(GPUTXChannel):
MSG_CLASS = RunCmdQueueMsg
def run(self, queue, event):
msg = RunCmdQueueMsg()
msg.queue_type = queue.TYPE
msg.cmdqueue = queue.info
msg.cmdqueue_addr = queue.info._addr
msg.head = queue.wptr
msg.event_number = event
msg.new_queue = 1 if queue.first_time else 0
queue.first_time = False
#print(msg)
self.send_message(msg)
class GPUDeviceControlChannel(GPUTXChannel):
MSG_CLASS = DeviceControlMsg
def send_init(self):
self.send_message(DC_Init())
def dc_09(self, a, ptr, b):
# Writes to InitData.RegionB
msg = DC_09()
msg.unk_4 = a
msg.unkptr_c = ptr
msg.unk_14 = b
self.send_message(msg)
def send_foo(self, t, d=None):
msg = DC_Any()
msg.msg_type = t
if d is not None:
msg.data = d
self.send_message(msg)
def update_idle_ts(self):
self.send_message(DC_UpdateIdleTS())
def destroy_context(self, ctx):
msg = DC_DestroyContext()
msg.unk_4 = 0
msg.unk_8 = 2
msg.unk_c = 0
msg.unk_10 = 0
msg.unk_14 = 0xffff
msg.unk_18 = 0
msg.context_addr = ctx.gpu_context._addr
print(msg)
self.send_message(msg)
# Maybe related to stamps?
def write32(self, addr, val):
msg = DC_Write32()
msg.addr = addr
msg.data = val
msg.unk_10 = 0
msg.unk_14 = 0
msg.unk_18 = 0
msg.unk_1c = 0
print(msg)
self.send_message(msg)
def dc_1e(self, a, b):
msg = DC_1e()
msg.unk_4 = a
msg.unk_c = b
print(msg)
self.send_message(msg)
class GPUFWCtlChannel(GPUTXChannel):
STATE_FIELDS = FWControlStateFields
MSG_CLASS = FWCtlMsg
def doorbell(self):
self.agx.asc.db.fwctl_doorbell()
def send_inval(self, ctx, addr=0):
msg = FWCtlMsg()
msg.addr = addr
msg.unk_8 = 0
msg.context_id = ctx
msg.unk_10 = 1
msg.unk_12 = 2
print(msg)
self.send_message(msg)
class GPUEventChannel(GPURXChannel):
MSG_CLASS = EventMsg
def handle_message(self, msg):
if isinstance(msg, FlagMsg):
self.agx.event_mgr.fired(msg.firing)
elif isinstance(msg, FaultMsg):
self.agx.faulted(msg)
elif isinstance(msg, TimeoutMsg):
self.agx.timeout(msg)
else:
self.log(f"Unknown event: {msg}")
class GPULogChannel(GPURXChannel):
MSG_CLASS = FWLogMsg
def handle_message(self, msg):
ts = msg.timestamp / 24000000
self.log(f"[{msg.seq_no:<4d}{ts:14.7f}] {msg.msg}")
class GPUKTraceChannel(GPURXChannel):
MSG_CLASS = KTraceMsg
def handle_message(self, msg):
self.log(f"{msg}")
class GPUStatsChannel(GPURXChannel):
MSG_CLASS = HexDump(Bytes(0x60))
def handle_message(self, msg):
if self.agx.show_stats:
self.log(f"stat {msg}")
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