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Add place_inst routine.

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Separate create netlist and layout in some modules.
This commit is contained in:
Matt Guthaus
2018-08-27 10:42:40 -07:00
parent 8c73a26daa
commit 138a70fc23
10 changed files with 403 additions and 255 deletions
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compiler/modules/dff_buf_array.py
+20 -10
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@@ -27,11 +27,15 @@ class dff_buf_array(design.design):
self.width = self.columns * self.dff.width
self.height = self.rows * self.dff.height
self.create_netlist()
self.create_layout()
def create_layout(self):
def create_netlist(self):
self.add_pins()
self.create_dff_array()
def create_layout(self):
self.place_dff_array()
self.add_layout_pins()
self.DRC_LVS()
@@ -52,16 +56,8 @@ class dff_buf_array(design.design):
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(col*self.dff.width,row*self.dff.height)
mirror = "R0"
else:
base = vector(col*self.dff.width,(row+1)*self.dff.height)
mirror = "MX"
self.dff_insts[row,col]=self.add_inst(name=name,
mod=self.dff,
offset=base,
mirror=mirror)
mod=self.dff)
self.connect_inst([self.get_din_name(row,col),
self.get_dout_name(row,col),
self.get_dout_bar_name(row,col),
@@ -69,6 +65,20 @@ class dff_buf_array(design.design):
"vdd",
"gnd"])
def place_dff_array(self):
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(col*self.dff.width,row*self.dff.height)
mirror = "R0"
else:
base = vector(col*self.dff.width,(row+1)*self.dff.height)
mirror = "MX"
self.place_inst(name=name,
offset=base,
mirror=mirror)
def get_din_name(self, row, col):
if self.columns == 1:
din_name = "din[{0}]".format(row)