OpenRAM/compiler/utils.py

31 lines
781 B
Python

import os
import gdsMill
import tech
import globals
OPTS = globals.OPTS
def gdsPinToOffset(gdsPin):
boundary = gdsPin[2]
return [0.5 * (boundary[0] + boundary[2]), 0.5 * (boundary[1] + boundary[3])]
def auto_measure_libcell(pin_list, name, units, layer):
cell_gds = OPTS.openram_tech + "gds_lib/" + str(name) + ".gds"
cell_vlsi = gdsMill.VlsiLayout(units=units)
reader = gdsMill.Gds2reader(cell_vlsi)
reader.loadFromFile(cell_gds)
cell = {}
measure_result = cell_vlsi.readLayoutBorder(layer)
if measure_result == None:
measure_result = cell_vlsi.measureSize(name)
[cell["width"], cell["height"]] = measure_result
for pin in pin_list:
cell[str(pin)] = gdsPinToOffset(cell_vlsi.readPin(str(pin)))
return cell