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Supply router working except for off by one rail via error

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This commit is contained in:
Matt Guthaus
2018-10-19 14:21:03 -07:00
parent 4bf1e206e2
commit 0aad61892b
4 changed files with 315 additions and 87 deletions
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compiler/base/hierarchy_layout.py
+38 -21
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@@ -134,11 +134,13 @@ class layout(lef.lef):
return inst
return None
def add_rect(self, layer, offset, width=0, height=0):
"""Adds a rectangle on a given layer,offset with width and height"""
if width==0:
def add_rect(self, layer, offset, width=None, height=None):
"""
Adds a rectangle on a given layer,offset with width and height
"""
if not width:
width=drc["minwidth_{}".format(layer)]
if height==0:
if not height:
height=drc["minwidth_{}".format(layer)]
# negative layers indicate "unused" layers in a given technology
layer_num = techlayer[layer]
@@ -147,11 +149,13 @@ class layout(lef.lef):
return self.objs[-1]
return None
def add_rect_center(self, layer, offset, width=0, height=0):
"""Adds a rectangle on a given layer at the center point with width and height"""
if width==0:
def add_rect_center(self, layer, offset, width=None, height=None):
"""
Adds a rectangle on a given layer at the center point with width and height
"""
if not width:
width=drc["minwidth_{}".format(layer)]
if height==0:
if not height:
height=drc["minwidth_{}".format(layer)]
# negative layers indicate "unused" layers in a given technology
layer_num = techlayer[layer]
@@ -163,7 +167,9 @@ class layout(lef.lef):
def add_segment_center(self, layer, start, end):
""" Add a min-width rectanglular segment using center line on the start to end point """
"""
Add a min-width rectanglular segment using center line on the start to end point
"""
minwidth_layer = drc["minwidth_{}".format(layer)]
if start.x!=end.x and start.y!=end.y:
debug.error("Nonrectilinear center rect!",-1)
@@ -177,7 +183,9 @@ class layout(lef.lef):
def get_pin(self, text):
""" Return the pin or list of pins """
"""
Return the pin or list of pins
"""
try:
if len(self.pin_map[text])>1:
debug.error("Should use a pin iterator since more than one pin {}".format(text),-1)
@@ -192,7 +200,9 @@ class layout(lef.lef):
def get_pins(self, text):
""" Return a pin list (instead of a single pin) """
"""
Return a pin list (instead of a single pin)
"""
if text in self.pin_map.keys():
return self.pin_map[text]
else:
@@ -210,7 +220,9 @@ class layout(lef.lef):
self.add_layout_pin(new_name, pin.layer, pin.ll(), pin.width(), pin.height())
def add_layout_pin_segment_center(self, text, layer, start, end):
""" Creates a path like pin with center-line convention """
"""
Creates a path like pin with center-line convention
"""
debug.check(start.x==end.x or start.y==end.y,"Cannot have a non-manhatten layout pin.")
@@ -235,9 +247,9 @@ class layout(lef.lef):
def add_layout_pin_rect_center(self, text, layer, offset, width=None, height=None):
""" Creates a path like pin with center-line convention """
if width==None:
if not width:
width=drc["minwidth_{0}".format(layer)]
if height==None:
if not height:
height=drc["minwidth_{0}".format(layer)]
ll_offset = offset - vector(0.5*width,0.5*height)
@@ -246,14 +258,18 @@ class layout(lef.lef):
def remove_layout_pin(self, text):
"""Delete a labeled pin (or all pins of the same name)"""
"""
Delete a labeled pin (or all pins of the same name)
"""
self.pin_map[text]=[]
def add_layout_pin(self, text, layer, offset, width=None, height=None):
"""Create a labeled pin """
if width==None:
"""
Create a labeled pin
"""
if not width:
width=drc["minwidth_{0}".format(layer)]
if height==None:
if not height:
height=drc["minwidth_{0}".format(layer)]
new_pin = pin_layout(text, [offset,offset+vector(width,height)], layer)
@@ -273,13 +289,14 @@ class layout(lef.lef):
return new_pin
def add_label_pin(self, text, layer, offset, width=None, height=None):
"""Create a labeled pin WITHOUT the pin data structure. This is not an
"""
Create a labeled pin WITHOUT the pin data structure. This is not an
actual pin but a named net so that we can add a correspondence point
in LVS.
"""
if width==None:
if not width:
width=drc["minwidth_{0}".format(layer)]
if height==None:
if not height:
height=drc["minwidth_{0}".format(layer)]
self.add_rect(layer=layer,
offset=offset,