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OpenRAM
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Editted pbuf.py to pass regression.

This commit is contained in:
Jennifer Eve Sowash 2018-11-20 14:39:11 -08:00
parent c73004de35
commit bb7773ca7f
2 changed files with 5 additions and 13 deletions
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14
compiler/pgates/pbuf.py
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@ -32,10 +32,10 @@ class pbuf(design.design):
# Shield the cap, but have at least a stage effort of 4 # Shield the cap, but have at least a stage effort of 4
input_size = max(1,int(driver_size/stage_effort)) input_size = max(1,int(driver_size/stage_effort))
self.inv1 = pinv(size=input_size, height=height) # 1 self.inv1 = pinv(size=input_size, height=height) # 1
self.add_mod(self.inv) self.add_mod(self.inv1)
self.inv2 = pinv(size=driver_size, height=height) # 2 self.inv2 = pinv(size=driver_size, height=height) # 2
self.add_mod(self.inv1) self.add_mod(self.inv2)
self.width = self.inv1.width + self.inv2.width self.width = self.inv1.width + self.inv2.width
self.height = self.inv1.height self.height = self.inv1.height
@ -89,14 +89,6 @@ class pbuf(design.design):
offset=vdd_pin.ll().scale(0,1), offset=vdd_pin.ll().scale(0,1),
width=self.width, width=self.width,
height=vdd_pin.height()) height=vdd_pin.height())
# Continous vdd rail along with label.
gnd_pin=self.inv4_inst.get_pin("gnd")
self.add_layout_pin(text="gnd",
layer="metal1",
offset=gnd_pin.ll().scale(0,1),
width=self.width,
height=gnd_pin.height())
# Continous gnd rail along with label. # Continous gnd rail along with label.
gnd_pin=self.inv1_inst.get_pin("gnd") gnd_pin=self.inv1_inst.get_pin("gnd")
@ -128,4 +120,4 @@ class pbuf(design.design):
inv2_delay = self.inv2.analytical_delay(slew=inv1_delay.slew, load=load) inv2_delay = self.inv2.analytical_delay(slew=inv1_delay.slew, load=load)
return inv1_delay + inv2_delay return inv1_delay + inv2_delay

4
compiler/tests/04_pbuf_test.py
View File

@ -11,14 +11,14 @@ import globals
from globals import OPTS from globals import OPTS
import debug import debug
class pinvbuf_test(openram_test): class pbuf_test(openram_test):
def runTest(self): def runTest(self):
globals.init_openram("config_20_{0}".format(OPTS.tech_name)) globals.init_openram("config_20_{0}".format(OPTS.tech_name))
global verify global verify
import verify import verify
import pinv import pbuf
debug.info(2, "Testing inverter/buffer 4x 8x") debug.info(2, "Testing inverter/buffer 4x 8x")
a = pbuf.pbuf(8) a = pbuf.pbuf(8)