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move layout pins when copying them

This commit is contained in:
samuelkcrow 2022-12-15 02:38:00 -08:00
parent d8e0f4275d
commit 29c79abaf8
2 changed files with 12 additions and 3 deletions
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5
compiler/base/hierarchy_layout.py
View File

@ -631,10 +631,11 @@ class layout():
""" """
return self.pins return self.pins
def copy_layout_pin(self, instance, pin_name, new_name=""): def copy_layout_pin(self, instance, pin_name, new_name="", relative_offset=vector(0, 0)):
""" """
Create a copied version of the layout pin at the current level. Create a copied version of the layout pin at the current level.
You can optionally rename the pin to a new name. You can optionally rename the pin to a new name.
You can optionally add an offset vector by which to move the pin.
""" """
pins = instance.get_pins(pin_name) pins = instance.get_pins(pin_name)
@ -646,7 +647,7 @@ class layout():
new_name = pin_name new_name = pin_name
self.add_layout_pin(new_name, self.add_layout_pin(new_name,
pin.layer, pin.layer,
pin.ll(), pin.ll() + relative_offset,
pin.width(), pin.width(),
pin.height()) pin.height())

10
compiler/modules/capped_bitcell_array.py
View File

@ -307,7 +307,15 @@ class capped_bitcell_array(bitcell_base_array):
for pin_name in self.replica_bitcell_array.get_pin_names(): for pin_name in self.replica_bitcell_array.get_pin_names():
if pin_name in excluded_pins: if pin_name in excluded_pins:
continue continue
self.copy_layout_pin(self.replica_bitcell_array_inst, pin_name) # move pins to edges of cap cells
if "wl" in pin_name:
pin_offset = self.bitcell_offset.scale(-1, 0)
else:
pin_offset = self.bitcell_offset.scale(0, -1)
self.copy_layout_pin(instance=self.replica_bitcell_array_inst,
pin_name=pin_name,
relative_offset=pin_offset)
def route_supplies(self): def route_supplies(self):