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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9
cocotbext/eth/xgmii.py
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@@ -262,6 +262,7 @@ class XgmiiSource(Reset):
async def _run(self):
frame = None
frame_offset = 0
ifg_cnt = 0
deficit_idle_cnt = 0
self.active = False
@@ -316,6 +317,7 @@ class XgmiiSource(Reset):
deficit_idle_cnt = max(deficit_idle_cnt+ifg_cnt, 0)
ifg_cnt = 0
self.active = True
frame_offset = 0
else:
# clear counters
deficit_idle_cnt = 0
@@ -327,13 +329,14 @@ class XgmiiSource(Reset):
for k in range(self.byte_width):
if frame is not None:
d = frame.data.pop(0)
d = frame.data[frame_offset]
if frame.sim_time_sfd is None and d == EthPre.SFD:
frame.sim_time_sfd = get_sim_time()
d_val |= d << k*8
c_val |= frame.ctrl.pop(0) << k
c_val |= frame.ctrl[frame_offset] << k
frame_offset += 1
if not frame.data:
if frame_offset >= len(frame.data):
ifg_cnt = max(self.ifg - (self.byte_width-k), 0)
frame.sim_time_end = get_sim_time()
frame.handle_tx_complete()