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Output functional stimulus to output directory.

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This commit is contained in:
mrg
2020-11-09 12:00:25 -08:00
parent 10542d6cc3
commit 532492d5ae
11 changed files with 89 additions and 91 deletions
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compiler/characterizer/functional.py
+18 -7
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@@ -21,13 +21,24 @@ class functional(simulation):
for successful SRAM operation.
"""
def __init__(self, sram, spfile, corner, cycles=15):
def __init__(self, sram, spfile, corner=None, cycles=15, period=None, output_path=None):
super().__init__(sram, spfile, corner)
# Seed the characterizer with a constant seed for unit tests
if OPTS.is_unit_test:
random.seed(12345)
if not corner:
corner = (OPTS.process_corners[0], OPTS.supply_voltages[0], OPTS.temperatures[0])
if period:
self.period = period
if not output_path:
self.output_path = OPTS.openram_temp
else:
self.output_path = output_path
if self.write_size:
self.num_wmasks = int(math.ceil(self.word_size / self.write_size))
else:
@@ -58,15 +69,14 @@ class functional(simulation):
self.read_check = []
self.read_results = []
def run(self, feasible_period=None):
if feasible_period: # period defaults to tech.py feasible period otherwise.
self.period = feasible_period
# Generate a random sequence of reads and writes
self.create_random_memory_sequence()
# Run SPICE simulation
# Write SPICE simulation
self.write_functional_stimulus()
self.stim.run_sim()
def run(self):
self.stim.run_sim(self.stim_sp)
# read dout values from SPICE simulation. If the values do not fall within the noise margins, return the error.
(success, error) = self.read_stim_results()
@@ -330,7 +340,8 @@ class functional(simulation):
def write_functional_stimulus(self):
""" Writes SPICE stimulus. """
temp_stim = "{0}/stim.sp".format(OPTS.openram_temp)
self.stim_sp = "functional_stim.sp"
temp_stim = "{0}/{1}".format(self.output_path, self.stim_sp)
self.sf = open(temp_stim, "w")
self.sf.write("* Functional test stimulus file for {}ns period\n\n".format(self.period))
self.stim = stimuli(self.sf, self.corner)