bslathi19/cocotbext-eth
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Send data without using pop

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This commit is contained in:
Alex Forencich
2021-04-12 15:10:52 -07:00
parent 0bd66da868
commit 008d903bb9
5 changed files with 62 additions and 38 deletions
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7
cocotbext/eth/eth_mac.py
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@@ -462,6 +462,7 @@ class EthMacRx(Reset):
async def _run(self):
frame = None
frame_offset = 0
tuser = 0
self.active = False
@@ -477,6 +478,7 @@ class EthMacRx(Reset):
frame.sim_time_sfd = None
frame.sim_time_end = None
self.log.info("TX frame: %s", frame)
frame_offset = 0
# wait for preamble time
await Timer(self.time_scale*8*8//self.speed, 'step')
@@ -499,11 +501,12 @@ class EthMacRx(Reset):
cycle.tuser = tuser
for offset in range(self.byte_lanes):
cycle.tdata |= (frame.data.pop(0) & self.byte_mask) << (offset * self.byte_size)
cycle.tdata |= (frame.data[frame_offset] & self.byte_mask) << (offset * self.byte_size)
cycle.tkeep |= 1 << offset
byte_count += 1
frame_offset += 1
if len(frame.data) == 0:
if frame_offset >= len(frame.data):
cycle.tlast = 1
frame.sim_time_end = get_sim_time()
frame.handle_tx_complete()