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Clean up and generalize layer rules.

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Convert metalN to mN.
Generalize helper constants in modules for
space, width, enclose, etc.
Use layer stacks whever possible.
Try to remove drc() calls in liu of helper constants.
This commit is contained in:
Matt Guthaus
2019-12-17 11:03:36 -08:00
parent a79d03fef4
commit ed28b4983b
52 changed files with 604 additions and 578 deletions
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compiler/modules/dff_inv.py
+8 -8
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@@ -97,13 +97,13 @@ class dff_inv(design.design):
mid_x_offset = 0.5*(a1_pin.cx() + q_pin.cx())
mid1 = vector(mid_x_offset, q_pin.cy())
mid2 = vector(mid_x_offset, a1_pin.cy())
self.add_path("metal3",
self.add_path("m3",
[q_pin.center(), mid1, mid2, a1_pin.center()])
self.add_via_center(layers=("metal2","via2","metal3"),
self.add_via_center(layers=self.m2_stack,
offset=q_pin.center())
self.add_via_center(layers=("metal2","via2","metal3"),
self.add_via_center(layers=self.m2_stack,
offset=a1_pin.center())
self.add_via_center(layers=("metal1","via1","metal2"),
self.add_via_center(layers=self.m1_stack,
offset=a1_pin.center())
@@ -112,7 +112,7 @@ class dff_inv(design.design):
# Continous vdd rail along with label.
vdd_pin=self.dff_inst.get_pin("vdd")
self.add_layout_pin(text="vdd",
layer="metal1",
layer="m1",
offset=vdd_pin.ll(),
width=self.width,
height=vdd_pin.height())
@@ -120,7 +120,7 @@ class dff_inv(design.design):
# Continous gnd rail along with label.
gnd_pin=self.dff_inst.get_pin("gnd")
self.add_layout_pin(text="gnd",
layer="metal1",
layer="m1",
offset=gnd_pin.ll(),
width=self.width,
height=vdd_pin.height())
@@ -146,9 +146,9 @@ class dff_inv(design.design):
dout_pin = self.inv1_inst.get_pin("Z")
self.add_layout_pin_rect_center(text="Qb",
layer="metal2",
layer="m2",
offset=dout_pin.center())
self.add_via_center(layers=("metal1","via1","metal2"),
self.add_via_center(layers=self.m1_stack,
offset=dout_pin.center())
def get_clk_cin(self):