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Change to callable DRC rule. Use bottom coordinate for bus offsets.

This commit is contained in:
mrg 2020-04-15 15:29:55 -07:00
parent e95c97d7a5
commit 94eb2afa36
2 changed files with 38 additions and 47 deletions
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23
compiler/base/hierarchy_layout.py
View File

@ -46,7 +46,6 @@ class layout():
except ImportError: except ImportError:
self.pwr_grid_layer = "m3" self.pwr_grid_layer = "m3"
############################################################ ############################################################
# GDS layout # GDS layout
############################################################ ############################################################
@ -214,12 +213,14 @@ class layout():
width = drc["minwidth_{}".format(layer)] width = drc["minwidth_{}".format(layer)]
if not height: if not height:
height = drc["minwidth_{}".format(layer)] height = drc["minwidth_{}".format(layer)]
# negative layers indicate "unused" layers in a given technology
lpp = techlayer[layer] lpp = techlayer[layer]
if lpp[0] >= 0: if abs(offset[0]-5.16250)<0.01 and abs(offset[1]-8.70750)<0.01:
self.objs.append(geometry.rectangle(lpp, offset, width, height)) import pdb; pdb.set_trace()
self.objs.append(geometry.rectangle(lpp,
offset,
width,
height))
return self.objs[-1] return self.objs[-1]
return None
def add_rect_center(self, layer, offset, width=None, height=None): def add_rect_center(self, layer, offset, width=None, height=None):
""" """
@ -230,16 +231,13 @@ class layout():
width = drc["minwidth_{}".format(layer)] width = drc["minwidth_{}".format(layer)]
if not height: if not height:
height = drc["minwidth_{}".format(layer)] height = drc["minwidth_{}".format(layer)]
# negative layers indicate "unused" layers in a given technology
lpp = techlayer[layer] lpp = techlayer[layer]
corrected_offset = offset - vector(0.5 * width, 0.5 * height) corrected_offset = offset - vector(0.5 * width, 0.5 * height)
if lpp[0] >= 0:
self.objs.append(geometry.rectangle(lpp, self.objs.append(geometry.rectangle(lpp,
corrected_offset, corrected_offset,
width, width,
height)) height))
return self.objs[-1] return self.objs[-1]
return None
def add_segment_center(self, layer, start, end): def add_segment_center(self, layer, start, end):
""" """
@ -413,22 +411,17 @@ class layout():
def add_label(self, text, layer, offset=[0, 0], zoom=-1): def add_label(self, text, layer, offset=[0, 0], zoom=-1):
"""Adds a text label on the given layer,offset, and zoom level""" """Adds a text label on the given layer,offset, and zoom level"""
# negative layers indicate "unused" layers in a given technology
debug.info(5, "add label " + str(text) + " " + layer + " " + str(offset)) debug.info(5, "add label " + str(text) + " " + layer + " " + str(offset))
lpp = techlayer[layer] lpp = techlayer[layer]
if lpp[0] >= 0:
self.objs.append(geometry.label(text, lpp, offset, zoom)) self.objs.append(geometry.label(text, lpp, offset, zoom))
return self.objs[-1] return self.objs[-1]
return None
def add_path(self, layer, coordinates, width=None): def add_path(self, layer, coordinates, width=None):
"""Connects a routing path on given layer,coordinates,width.""" """Connects a routing path on given layer,coordinates,width."""
debug.info(4, "add path " + str(layer) + " " + str(coordinates)) debug.info(4, "add path " + str(layer) + " " + str(coordinates))
import wire_path import wire_path
# NOTE: (UNTESTED) add_path(...) is currently not used # NOTE: (UNTESTED) add_path(...) is currently not used
# negative layers indicate "unused" layers in a given technology
# lpp = techlayer[layer] # lpp = techlayer[layer]
# if lpp[0] >= 0:
# self.objs.append(geometry.path(lpp, coordinates, width)) # self.objs.append(geometry.path(lpp, coordinates, width))
wire_path.wire_path(obj=self, wire_path.wire_path(obj=self,
@ -799,9 +792,7 @@ class layout():
self.add_rect(layer=layer, self.add_rect(layer=layer,
offset=line_offset, offset=line_offset,
height=length) height=length)
# Make this the center of the rail line_positions[names[i]] = line_offset + vector(half_minwidth, 0)
line_positions[names[i]] = line_offset + vector(half_minwidth,
0.5 * length)
else: else:
for i in range(len(names)): for i in range(len(names)):
line_offset = offset + vector(0, line_offset = offset + vector(0,

4
compiler/base/wire.py
View File

@ -74,8 +74,8 @@ class wire(wire_path):
contact1 = getattr(contact, layer1 + "_via") contact1 = getattr(contact, layer1 + "_via")
max_contact = max(contact1.width, contact1.height) max_contact = max(contact1.width, contact1.height)
layer1_space = drc["{0}_to_{0}".format(layer1)] layer1_space = drc("{0}_to_{0}".format(layer1))
layer2_space = drc["{0}_to_{0}".format(layer2)] layer2_space = drc("{0}_to_{0}".format(layer2))
pitch = max_contact + max(layer1_space, layer2_space) pitch = max_contact + max(layer1_space, layer2_space)
return pitch return pitch