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lib.memory: thread src_loc_at in {read,write}_port.

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Catherine 2024-03-22 20:49:42 +00:00
parent b8b1e7081b
commit 2640033316
1 changed files with 6 additions and 4 deletions
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10
amaranth/lib/memory.py
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@ -159,7 +159,7 @@ class Memory(wiring.Component):
def attrs(self):
return self._attrs
def read_port(self, *, domain="sync", transparent_for=()):
def read_port(self, *, domain="sync", transparent_for=(), src_loc_at=0):
"""Request a read port.
If :py:`domain` is :py:`"comb"`, the created read port is asynchronous and always enabled
@ -185,9 +185,10 @@ class Memory(wiring.Component):
:class:`ReadPort`
"""
signature = ReadPort.Signature(shape=self.shape, addr_width=ceil_log2(self.depth))
return ReadPort(signature, memory=self, domain=domain, transparent_for=transparent_for)
return ReadPort(signature, memory=self, domain=domain, transparent_for=transparent_for,
src_loc_at=1 + src_loc_at)
def write_port(self, *, domain="sync", granularity=None):
def write_port(self, *, domain="sync", granularity=None, src_loc_at=0):
"""Request a write port.
The created write port is synchronous, updating the contents of the selected row at each
@ -208,7 +209,8 @@ class Memory(wiring.Component):
"""
signature = WritePort.Signature(
shape=self.shape, addr_width=ceil_log2(self.depth), granularity=granularity)
return WritePort(signature, memory=self, domain=domain)
return WritePort(signature, memory=self, domain=domain,
src_loc_at=1 + src_loc_at)
# TODO: rename to read_ports
@property