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Add functional comment to aid debugging checks.

This commit is contained in:
mrg 2021-03-31 12:14:20 -07:00
parent e681806f0d
commit c7f99aef2c
3 changed files with 38 additions and 28 deletions
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33
compiler/characterizer/functional.py
View File

@ -227,18 +227,18 @@ class functional(simulation):
def add_read_check(self, word, port):
""" Add to the check array to ensure a read works. """
try:
self.check
self.check_count
except:
self.check = 0
self.read_check.append([word, "{0}{1}".format(self.dout_name, port), self.t_current + self.period, self.check])
self.check += 1
self.check_count = 0
self.read_check.append([word, "{0}{1}".format(self.dout_name, port), self.t_current + self.period, self.check_count])
self.check_count += 1
def read_stim_results(self):
# Extract dout values from spice timing.lis
for (word, dout_port, eo_period, check) in self.read_check:
for (word, dout_port, eo_period, check_count) in self.read_check:
sp_read_value = ""
for bit in range(self.word_size + self.num_spare_cols):
value = parse_spice_list("timing", "v{0}.{1}ck{2}".format(dout_port.lower(), bit, check))
value = parse_spice_list("timing", "v{0}.{1}ck{2}".format(dout_port.lower(), bit, check_count))
try:
value = float(value)
if value > self.v_high:
@ -260,7 +260,7 @@ class functional(simulation):
return (0, error)
self.read_results.append([sp_read_value, dout_port, eo_period, check])
self.read_results.append([sp_read_value, dout_port, eo_period, check_count])
return (1, "SUCCESS")
def check_stim_results(self):
@ -432,12 +432,21 @@ class functional(simulation):
# Generate dout value measurements
self.sf.write("\n * Generation of dout measurements\n")
for (word, dout_port, eo_period, check) in self.read_check:
t_intital = eo_period - 0.01 * self.period
t_initial = eo_period - 0.01 * self.period
t_final = eo_period + 0.01 * self.period
for bit in range(self.word_size + self.num_spare_cols):
self.stim.gen_meas_value(meas_name="V{0}_{1}ck{2}".format(dout_port, bit, check),
dout="{0}_{1}".format(dout_port, bit),
t_intital=t_intital,
num_bits = self.word_size + self.num_spare_cols
for bit in range(num_bits):
measure_name = "V{0}_{1}ck{2}".format(dout_port, bit, check)
signal_name = "{0}_{1}".format(dout_port, bit)
voltage_value = self.stim.get_voltage(word[num_bits - bit - 1])
self.stim.add_comment("* CHECK {0} {1} = {2} time = {3}".format(signal_name,
measure_name,
voltage_value,
eo_period))
self.stim.gen_meas_value(meas_name=measure_name,
dout=signal_name,
t_initial=t_initial,
t_final=t_final)
self.stim.write_control(self.cycle_times[-1] + self.period)

8
compiler/characterizer/setup_hold.py
View File

@ -82,7 +82,13 @@ class setup_hold():
"""
self.sf.write("\n* Generation of the data and clk signals\n")
incorrect_value = self.stim.get_inverse_value(correct_value)
if correct_value == 1:
incorrect_value = 0
elif correct_value == 0:
incorrect_value = 1
else:
debug.error("Invalid value {}".format(correct_value))
if mode=="HOLD":
init_value = incorrect_value
start_value = correct_value

25
compiler/characterizer/stimuli.py
View File

@ -169,22 +169,14 @@ class stimuli():
def gen_constant(self, sig_name, v_val):
""" Generates a constant signal with reference voltage and the voltage value """
self.sf.write("V{0} {0} 0 DC {1}\n".format(sig_name, v_val))
def get_inverse_voltage(self, value):
if value > 0.5 * self.voltage:
def get_voltage(self, value):
if value == "0" or value == 0:
return 0
elif value <= 0.5 * self.voltage:
elif value == "1" or value == 1:
return self.voltage
else:
debug.error("Invalid value to get an inverse of: {0}".format(value))
def get_inverse_value(self, value):
if value > 0.5:
return 0
elif value <= 0.5:
return 1
else:
debug.error("Invalid value to get an inverse of: {0}".format(value))
debug.error("Invalid value to get a voltage of: {0}".format(value))
def gen_meas_delay(self, meas_name, trig_name, targ_name, trig_val, targ_val, trig_dir, targ_dir, trig_td, targ_td):
""" Creates the .meas statement for the measurement of delay """
@ -228,8 +220,8 @@ class stimuli():
t_initial,
t_final))
def gen_meas_value(self, meas_name, dout, t_intital, t_final):
measure_string=".meas tran {0} AVG v({1}) FROM={2}n TO={3}n\n\n".format(meas_name, dout, t_intital, t_final)
def gen_meas_value(self, meas_name, dout, t_initial, t_final):
measure_string=".meas tran {0} AVG v({1}) FROM={2}n TO={3}n\n\n".format(meas_name, dout, t_initial, t_final)
self.sf.write(measure_string)
def write_control(self, end_time, runlvl=4):
@ -310,6 +302,9 @@ class stimuli():
for item in list(includes):
self.sf.write(".include \"{0}\"\n".format(item))
def add_comment(self, msg):
self.sf.write(msg + "\n")
def write_supply(self):
""" Writes supply voltage statements """
gnd_node_name = "0"