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This commit is contained in:
Jesse Cirimelli-Low
2021-05-24 02:42:04 -07:00
parent 0ba229afe5
commit f9eae3fb80
4 changed files with 19 additions and 8 deletions
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compiler/base/hierarchy_layout.py
+10 -6
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@@ -1203,22 +1203,24 @@ class layout():
height=ymax - ymin)
return rect
def copy_power_pins(self, inst, name, add_vias=True):
def copy_power_pins(self, inst, name, add_vias=True, new_name=""):
"""
This will copy a power pin if it is on the lowest power_grid layer.
If it is on M1, it will add a power via too.
"""
pins = inst.get_pins(name)
for pin in pins:
if new_name == "":
new_name = pin.name
if pin.layer == self.pwr_grid_layer:
self.add_layout_pin(name,
self.add_layout_pin(new_name,
pin.layer,
pin.ll(),
pin.width(),
pin.height())
elif add_vias:
self.copy_power_pin(pin)
self.copy_power_pin(pin, new_name=new_name)
def add_io_pin(self, instance, pin_name, new_name, start_layer=None):
"""
@@ -1264,13 +1266,15 @@ class layout():
width=width,
height=height)
def copy_power_pin(self, pin, loc=None, directions=None):
def copy_power_pin(self, pin, loc=None, directions=None, new_name=""):
"""
Add a single power pin from the lowest power_grid layer down to M1 (or li) at
the given center location. The starting layer is specified to determine
which vias are needed.
"""
if new_name == "":
new_name = pin.name
if not loc:
loc = pin.center()
@@ -1284,7 +1288,7 @@ class layout():
height = None
if pin.layer == self.pwr_grid_layer:
self.add_layout_pin_rect_center(text=pin.name,
self.add_layout_pin_rect_center(text=new_name,
layer=self.pwr_grid_layer,
offset=loc,
width=width,
@@ -1299,7 +1303,7 @@ class layout():
width = via.width
if not height:
height = via.height
self.add_layout_pin_rect_center(text=pin.name,
self.add_layout_pin_rect_center(text=new_name,
layer=self.pwr_grid_layer,
offset=loc,
width=width,