luke/OpenRAM
1
0
Fork 0
mirror of https://github.com/VLSIDA/OpenRAM.git synced 2026-08-29 09:30:38 +02:00
Code Issues Packages Projects Releases Wiki Activity

dff array done except for clock net

Browse Source
This commit is contained in:
Matt Guthaus
2018-02-14 16:03:29 -08:00
parent 0804a1eceb
commit 2d87dcda46
5 changed files with 64 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/modules/dff_array.py
+52 -71
View File
@@ -16,7 +16,7 @@ class dff_array(design.design):
self.columns = columns
if name=="":
name = "dff_array_c{0}_w{1}".format(columns,word_size)
name = "dff_array_{0}x{1}".format(rows, columns)
design.design.__init__(self, name)
debug.info(1, "Creating {}".format(self.name))
@@ -49,90 +49,71 @@ class dff_array(design.design):
self.add_pin("gnd")
def create_dff_array(self):
self.ms_inst={}
for row in range(self.rows):
for col in range(self.columns):
name = "Xdff_r{0}_c{1}".format(row,col)
if (row % 2 == 0):
base = vector(i*self.ms.width,0)
mirror = "R0"
else:
base = vector((i+1)*self.ms.width,0)
mirror = "MY"
self.ms_inst[row,col]=self.add_inst(name=name,
mod=self.ms,
offset=base,
mirror=mirror)
self.connect_inst(["din[{0}][{1}]".format(row,col),
"dout[{0}][{1}]".format(row,col),
"clk",
"vdd",
"gnd"])
self.dff_insts={}
for y in range(self.rows):
for x in range(self.columns):
name = "Xdff_r{0}_c{1}".format(y,x)
if (y % 2 == 0):
base = vector(x*self.ms.width,y*self.ms.height)
mirror = "R0"
else:
base = vector(x*self.ms.width,(y+1)*self.ms.height)
mirror = "MX"
self.dff_insts[x,y]=self.add_inst(name=name,
mod=self.ms,
offset=base,
mirror=mirror)
self.connect_inst(["din[{0}][{1}]".format(x,y),
"dout[{0}][{1}]".format(x,y),
"clk",
"vdd",
"gnd"])
def add_layout_pins(self):
for i in range(self.word_size):
for y in range(self.rows):
# Continous vdd rail along with label.
vdd_pin=self.dff_insts[0,y].get_pin("vdd")
self.add_layout_pin(text="vdd",
layer="metal1",
offset=vdd_pin.ll(),
width=self.width,
height=drc["minwidth_metal1"])
for gnd_pin in self.ms_inst[i].get_pins("gnd"):
if gnd_pin.layer!="metal2":
continue
self.add_layout_pin(text="gnd",
layer="metal2",
offset=gnd_pin.ll(),
width=gnd_pin.width(),
height=gnd_pin.height())
# Continous gnd rail along with label.
gnd_pin=self.dff_insts[0,y].get_pin("gnd")
self.add_layout_pin(text="gnd",
layer="metal1",
offset=gnd_pin.ll(),
width=self.width,
height=drc["minwidth_metal1"])
din_pins = self.ms_inst[i].get_pins("din")
for din_pin in din_pins:
self.add_layout_pin(text="din[{}]".format(i),
for y in range(self.rows):
for x in range(self.columns):
din_pin = self.dff_insts[x,y].get_pin("d")
self.add_layout_pin(text="din[{0}][{1}]".format(x,y),
layer=din_pin.layer,
offset=din_pin.ll(),
width=din_pin.width(),
height=din_pin.height())
dout_pin = self.ms_inst[i].get_pin("dout")
self.add_layout_pin(text="dout[{}]".format(i),
layer="metal2",
offset=dout_pin.ll(),
width=dout_pin.width(),
height=dout_pin.height())
dout_pin = self.dff_insts[x,y].get_pin("q")
self.add_layout_pin(text="dout[{0}][{1}]".format(x,y),
layer="metal1",
offset=dout_pin.ll(),
width=dout_pin.width(),
height=dout_pin.height())
doutbar_pin = self.ms_inst[i].get_pin("dout_bar")
self.add_layout_pin(text="dout_bar[{}]".format(i),
layer="metal2",
offset=doutbar_pin.ll(),
width=doutbar_pin.width(),
height=doutbar_pin.height())
# Continous clk rail along with label.
self.add_layout_pin(text="clk",
layer="metal1",
offset=self.ms_inst[0].get_pin("clk").ll().scale(0,1),
width=self.width,
height=drc["minwidth_metal1"])
# # Continous clk rail along with label.
# self.add_layout_pin(text="clk",
# layer="metal1",
# offset=self.dff_insts[0].get_pin("clk").ll().scale(0,1),
# width=self.width,
# height=drc["minwidth_metal1"])
# Continous vdd rail along with label.
for vdd_pin in self.ms_inst[i].get_pins("vdd"):
if vdd_pin.layer!="metal1":
continue
self.add_layout_pin(text="vdd",
layer="metal1",
offset=vdd_pin.ll().scale(0,1),
width=self.width,
height=drc["minwidth_metal1"])
# Continous gnd rail along with label.
for gnd_pin in self.ms_inst[i].get_pins("gnd"):
if gnd_pin.layer!="metal1":
continue
self.add_layout_pin(text="gnd",
layer="metal1",
offset=gnd_pin.ll().scale(0,1),
width=self.width,
height=drc["minwidth_metal1"])
def analytical_delay(self, slew, load=0.0):
return self.ms.analytical_delay(slew=slew, load=load)