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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7
cocotbext/axi/axi_master.py
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@@ -241,6 +241,7 @@ class AxiMasterWrite(Region, Reset):
self.awqos_present = hasattr(self.bus.aw, "awqos")
self.awregion_present = hasattr(self.bus.aw, "awregion")
self.awuser_present = hasattr(self.bus.aw, "awuser")
self.wstrb_present = hasattr(self.bus.w, "wstrb")
self.wuser_present = hasattr(self.bus.w, "wuser")
self.buser_present = hasattr(self.bus.b, "buser")
@@ -263,7 +264,8 @@ class AxiMasterWrite(Region, 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
assert len(self.b_channel.bus.bid) == len(self.aw_channel.bus.awid)
@@ -480,6 +482,9 @@ class AxiMasterWrite(Region, Reset):
n += 1
if not self.wstrb_present and strb != self.strb_mask:
self.log.warning("Partial operation requested with wstrb not connected, write will be zero-padded (0x%x != 0x%x)", strb, self.strb_mask)
w = self.w_channel._transaction_obj()
w.wdata = val
w.wstrb = strb