mirror of https://github.com/VLSIDA/OpenRAM.git
58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
#!/usr/bin/env python2.7
|
|
"""
|
|
Check the .lib file for an SRAM
|
|
"""
|
|
|
|
import unittest
|
|
from testutils import header,isapproxdiff
|
|
import sys,os
|
|
sys.path.append(os.path.join(sys.path[0],".."))
|
|
import globals
|
|
from globals import OPTS
|
|
import debug
|
|
import verify
|
|
|
|
class lib_test(unittest.TestCase):
|
|
|
|
def runTest(self):
|
|
globals.init_openram("config_20_{0}".format(OPTS.tech_name))
|
|
# we will manually run lvs/drc
|
|
OPTS.check_lvsdrc = False
|
|
|
|
import sram
|
|
from characterizer import lib
|
|
|
|
debug.info(1, "Testing timing for sample 2 bit, 16 words SRAM with 1 bank")
|
|
s = sram.sram(word_size=2,
|
|
num_words=OPTS.config.num_words,
|
|
num_banks=OPTS.config.num_banks,
|
|
name="sram_2_16_1_{0}".format(OPTS.tech_name))
|
|
OPTS.check_lvsdrc = True
|
|
|
|
tempspice = OPTS.openram_temp + "temp.sp"
|
|
s.sp_write(tempspice)
|
|
|
|
filename = s.name + "_analytical.lib"
|
|
libname = OPTS.openram_temp + filename
|
|
lib.lib(libname=libname,sram=s,spfile=tempspice,use_model=True)
|
|
|
|
# let's diff the result with a golden model
|
|
golden = "{0}/golden/{1}".format(os.path.dirname(os.path.realpath(__file__)),filename)
|
|
# Randomly decided 1% difference between spice simulators is ok.
|
|
self.assertEqual(isapproxdiff(libname,golden,0.01),True)
|
|
|
|
globals.end_openram()
|
|
|
|
# instantiate a copdsay of the class to actually run the test
|
|
if __name__ == "__main__":
|
|
(OPTS, args) = globals.parse_args()
|
|
del sys.argv[1:]
|
|
header(__file__, OPTS.tech_name)
|
|
unittest.main()
|
|
|
|
|
|
|
|
|
|
|
|
|