bslathi19/cocotbext-axi
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Make wstrb optional

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This commit is contained in:
Alex Forencich
2021-12-27 19:44:30 -08:00
parent 8aab5a7294
commit 9c0592c16a
6 changed files with 32 additions and 9 deletions
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10
cocotbext/axi/axil_slave.py
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@@ -60,6 +60,8 @@ class AxiLiteSlaveWrite(Reset):
self.byte_lanes = self.width // self.byte_size
self.strb_mask = 2**self.byte_lanes-1
self.wstrb_present = hasattr(self.bus.w, "wstrb")
self.log.info("AXI lite slave model configuration:")
self.log.info(" Memory size: %d bytes", len(self.mem))
self.log.info(" Address width: %d bits", self.address_width)
@@ -74,7 +76,8 @@ class AxiLiteSlaveWrite(Reset):
else:
self.log.info(" %s: not present", sig)
assert self.byte_lanes == len(self.w_channel.bus.wstrb)
if self.wstrb_present:
assert self.byte_lanes == len(self.w_channel.bus.wstrb)
assert self.byte_lanes * self.byte_size == self.width
self._process_write_cr = None
@@ -109,7 +112,10 @@ class AxiLiteSlaveWrite(Reset):
w = await self.w_channel.recv()
data = int(w.wdata)
strb = int(getattr(w, 'wstrb', self.strb_mask))
if self.wstrb_present:
strb = int(getattr(w, 'wstrb', self.strb_mask))
else:
strb = self.strb_mask
# generate operation list
offset = 0