def Eval(self, x, state, extsignals):
FanInList = self.getFanInList(x)
FanInVal = dict([])
#for i in FanInList:
# FanInVal[i] = state[i]
# FanInVal['~'+i] = func.compStr(state[i])
for i in FanInList:
if (i in extsignals):
FanInVal[i] = state[i]
FanInVal['~' + i] = func.compStr(state[i])
else:
temp = self.Eval(i, state, extsignals)
FanInVal[i] = temp
FanInVal['~' + i] = func.compStr(temp)
comb_OrEval = 0
set_OrEval = 0
reset_OrEval = 0
combAndEval = 0
setAndEval = 0
resetAndEval = 0
if (len(self.circuitDict[x]['COMB']) != 0):
combList = self.circuitDict[x]['COMB']
comb_OrEval = 0
for ckt in combList:
combAndEval = 1
for i in ckt:
combAndEval = combAndEval & int(FanInVal[i])
comb_OrEval = comb_OrEval | combAndEval
if (len(self.circuitDict[x]['SET']) != 0):
setList = self.circuitDict[x]['SET']
set_OrEval = 0
for ckt in setList:
setAndEval = 1
for i in ckt:
setAndEval = setAndEval & int(FanInVal[i])
set_OrEval = set_OrEval | setAndEval
if (len(self.circuitDict[x]['RESET']) != 0):
resetList = self.circuitDict[x]['RESET']
reset_OrEval = 0
for ckt in resetList:
resetAndEval = 1
for i in ckt:
resetAndEval = resetAndEval & int(FanInVal[i])
reset_OrEval = reset_OrEval | resetAndEval
if (
len(self.circuitDict[x]['RESET']) != 0
or len(self.circuitDict[x]['SET']) != 0
): #indicates a c-element, which means it needs to be a primary output
result = func.Celem(set_OrEval,
int(func.compStr(str(reset_OrEval))),
int(state[x]))
else:
result = comb_OrEval
#result = comb_OrEval | func.Celem(set_OrEval , int(func.compStr(str(reset_OrEval))), int(state[x]))
return str(result)
def Eval(self,x,state,extsignals): FanInList = self.getFanInList(x) FanInVal = dict([]) #for i in FanInList: # FanInVal[i] = state[i] # FanInVal['~'+i] = func.compStr(state[i]) for i in FanInList: if( i in extsignals ): FanInVal[i] = state[i] FanInVal['~'+i] = func.compStr(state[i]) else: temp = self.Eval(i, state, extsignals) FanInVal[i] = temp FanInVal['~'+i] = func.compStr(temp) comb_OrEval = 0 set_OrEval = 0 reset_OrEval = 0 combAndEval = 0 setAndEval = 0 resetAndEval = 0 if(len(self.circuitDict[x]['COMB'])!=0): combList = self.circuitDict[x]['COMB'] comb_OrEval = 0 for ckt in combList: combAndEval = 1 for i in ckt: combAndEval = combAndEval & int(FanInVal[i]) comb_OrEval = comb_OrEval | combAndEval if(len(self.circuitDict[x]['SET'])!=0): setList = self.circuitDict[x]['SET'] set_OrEval = 0 for ckt in setList: setAndEval = 1 for i in ckt: setAndEval = setAndEval & int(FanInVal[i]) set_OrEval = set_OrEval | setAndEval if(len(self.circuitDict[x]['RESET'])!=0): resetList = self.circuitDict[x]['RESET'] reset_OrEval = 0 for ckt in resetList: resetAndEval = 1 for i in ckt: resetAndEval = resetAndEval & int(FanInVal[i]) reset_OrEval = reset_OrEval | resetAndEval if(len(self.circuitDict[x]['RESET'])!=0 or len(self.circuitDict[x]['SET'])!=0): #indicates a c-element, which means it needs to be a primary output result = func.Celem(set_OrEval, int(func.compStr(str(reset_OrEval))), int(state[x])) else: result = comb_OrEval #result = comb_OrEval | func.Celem(set_OrEval , int(func.compStr(str(reset_OrEval))), int(state[x])) return str(result)
def extend_state( self, state ): s = copy.deepcopy(state) si = copy.deepcopy(s) last_s = copy.deepcopy(s) done = 0 ReachedExtendState = 0 stack = [] tempStack = [] result = dict([]) for i in self.outputs: result[i] = 0 Te = self.getExcitedSignals(s,1) ##passing 1 returns excitation on only outputs and internal signals print 'Te-extend: ', Te if(len(Te.keys())==0): ReachedExtendState = 1 ##result.append([ while(done != 1): t = Te.keys()[0] del Te[t] si = copy.deepcopy(s) if(len(Te.keys())!=0): stack.append([s,Te]) si[t] = func.compStr(s[t]) print 'Arnab', si tempTe = self.getExcitedSignals(si,1) print 'tempte-Excitation', tempTe ReachedExtendState = 0 outSig = '' if(len(tempTe.keys())==0): ReachedExtendState = 1 #result['noExcitation'] = 0 #result['extendState'] = copy.deepcopy(si) result[t] = 1 done = 1 else: for sig in self.outputs: if(sig in tempTe.keys()): ReachedExtendState = 1 outSig = sig result[outSig] = 1 if(ReachedExtendState==1): result[outSig] = 1 #result['noExcitation'] = 1 else: s = copy.deepcopy(si) Te = tempTe if(ReachedExtendState==1 and len(stack)!=0): tempStack = stack.pop() si = tempStack[0] Te = tempStack[1] if(Te.keys()==0): done = 1 elif(ReachedExtendState==1 and len(stack)==0): done = 1 print '================= from extend state ======================' print '------------------ state = ',state , '--------------------' for i, v in result.iteritems() : print i ,' ', v print '================ end of extend state =====================' return result
def find_implSG(self, sgList, sgl):
s = copy.deepcopy(self.init_state)
si = copy.deepcopy(s)
self.currentState = copy.deepcopy(self.init_state)
done = 0
stack = []
failState = dict([])
TRANSSET = []
Te = self.getExcitedSignals(s, 0)
result = []
if (len(Te.keys()) == 0):
result = ['DeadLock']
return result
while (done != 1):
failFlag = 0
t = Te.keys()[0]
del Te[t]
si = copy.deepcopy(s)
if (len(Te) != 0):
stack.append([s, Te])
si[t] = func.compStr(s[t])
tempTe = self.getExcitedSignals(si, 0)
prevtempTe = self.getExcitedSignals(s, 0)
if (len(tempTe.keys()) == 0):
failFlag = 1
else:
for trans in prevtempTe:
if (trans not in self.inputs and trans not in tempTe
and trans !=
t): ## transition has been disabled by this choice
failFlag = 1
print 'Fail Due to trans: ', t, Te, prevtempTe
if (failFlag == 0 and [self.retState(s), t,
self.retState(si)] not in TRANSSET):
TRANSSET.append([self.retState(s), t, self.retState(si)])
Te = tempTe
s = copy.deepcopy(si)
else:
if (failFlag == 1):
print 'FailHere: ', self.retState(s), t, self.retState(si)
if (tuple(self.retState(s)) not in failState):
failState[tuple(self.retState(s))] = []
if ([s, t, si] in failState[tuple(self.retState(s))]):
print 'Repeat'
else:
failState[tuple(self.retState(s))].append([s, t, si])
if (len(stack) == 0):
done = 1
else:
tempStack = stack.pop()
#print 'tempStack: ', tempStack
Te = tempStack[1]
s = tempStack[0]
if (len(Te.keys()) == 0):
print 'TempStack :', tempStack
print 'Because I was here'
#done = 1
result = ['Successful', TRANSSET, failState]
return result
def find_implSG( self, sgList, sgl): s = copy.deepcopy(self.init_state) si = copy.deepcopy(s) self.currentState = copy.deepcopy(self.init_state) done = 0 stack = [] failState = dict([]) TRANSSET = [] Te = self.getExcitedSignals(s,0) result = [] if(len(Te.keys())==0): result = ['DeadLock'] return result while(done != 1): failFlag = 0 t = Te.keys()[0] del Te[t] si = copy.deepcopy(s) if(len(Te)!=0): stack.append([s,Te]) si[t] = func.compStr(s[t]) tempTe = self.getExcitedSignals(si,0) prevtempTe = self.getExcitedSignals(s,0) if(len(tempTe.keys())==0): failFlag = 1 else: for trans in prevtempTe: if( trans not in self.inputs and trans not in tempTe and trans!=t): ## transition has been disabled by this choice failFlag = 1 print 'Fail Due to trans: ', t, Te, prevtempTe if(failFlag == 0 and [self.retState(s),t,self.retState(si)] not in TRANSSET): TRANSSET.append([self.retState(s),t,self.retState(si)]) Te = tempTe s = copy.deepcopy(si) else: if(failFlag==1): print 'FailHere: ', self.retState(s),t,self.retState(si) if(tuple(self.retState(s)) not in failState): failState[tuple(self.retState(s))]=[] if([s,t,si] in failState[tuple(self.retState(s))]): print 'Repeat' else: failState[tuple(self.retState(s))].append([s,t,si]) if(len(stack)==0): done = 1 else: tempStack = stack.pop() #print 'tempStack: ', tempStack Te = tempStack[1] s = tempStack[0] if(len(Te.keys())==0): print 'TempStack :', tempStack print 'Because I was here' #done = 1 result = ['Successful', TRANSSET, failState] return result
def Evaluate(self, x, state):
FanInList = self.getFanInList(x)
#print 'FanInList:', FanInList
#print 'state:', state
FanInVal = dict([])
for i in FanInList:
FanInVal[i] = state[i]
FanInVal['~' + i] = func.compStr(state[i])
comb_OrEval = 0
set_OrEval = 0
reset_OrEval = 0
combAndEval = 0
setAndEval = 0
resetAndEval = 0
if (len(self.circuitDict[x]['COMB']) != 0):
combList = self.circuitDict[x]['COMB']
comb_OrEval = 0
for ckt in combList:
combAndEval = 1
for i in ckt:
combAndEval = combAndEval & int(FanInVal[i])
comb_OrEval = comb_OrEval | combAndEval
if (len(self.circuitDict[x]['SET']) != 0):
setList = self.circuitDict[x]['SET']
set_OrEval = 0
for ckt in setList:
setAndEval = 1
for i in ckt:
setAndEval = setAndEval & int(FanInVal[i])
set_OrEval = set_OrEval | setAndEval
if (len(self.circuitDict[x]['RESET']) != 0):
resetList = self.circuitDict[x]['RESET']
reset_OrEval = 0
for ckt in resetList:
resetAndEval = 1
for i in ckt:
resetAndEval = resetAndEval & int(FanInVal[i])
reset_OrEval = reset_OrEval | resetAndEval
result = comb_OrEval | func.Celem(
set_OrEval, int(func.compStr(str(reset_OrEval))), int(state[x]))
return str(result)
def Evaluate(self,x,state): FanInList = self.getFanInList(x) #print 'FanInList:', FanInList #print 'state:', state FanInVal = dict([]) for i in FanInList: FanInVal[i] = state[i] FanInVal['~'+i] = func.compStr(state[i]) comb_OrEval = 0 set_OrEval = 0 reset_OrEval = 0 combAndEval = 0 setAndEval = 0 resetAndEval = 0 if(len(self.circuitDict[x]['COMB'])!=0): combList = self.circuitDict[x]['COMB'] comb_OrEval = 0 for ckt in combList: combAndEval = 1 for i in ckt: combAndEval = combAndEval & int(FanInVal[i]) comb_OrEval = comb_OrEval | combAndEval if(len(self.circuitDict[x]['SET'])!=0): setList = self.circuitDict[x]['SET'] set_OrEval = 0 for ckt in setList: setAndEval = 1 for i in ckt: setAndEval = setAndEval & int(FanInVal[i]) set_OrEval = set_OrEval | setAndEval if(len(self.circuitDict[x]['RESET'])!=0): resetList = self.circuitDict[x]['RESET'] reset_OrEval = 0 for ckt in resetList: resetAndEval = 1 for i in ckt: resetAndEval = resetAndEval & int(FanInVal[i]) reset_OrEval = reset_OrEval | resetAndEval result = comb_OrEval | func.Celem(set_OrEval , int(func.compStr(str(reset_OrEval))), int(state[x])) return str(result)
def getStateEval(self, specSignals, state, nonInput):
sigNext = dict([])
for sig in self.outSignals:
sigNext[sig] = self.Eval(sig, state, specSignals)
#for i in sigNext.keys():
# if(sigNext[i]==state[i]):
# del sigNext[i]
if (nonInput == 1):
return sigNext
else:
if (len(self.inputs) != 0):
for i in self.inputs:
sigNext[i] = func.compStr(state[i])
return sigNext
def getExcitedSignals(self, state, nonInput):
sigNext = dict([])
for sig in self.outSignals:
sigNext[sig] = self.Evaluate(sig, state)
for i in sigNext.keys():
if (sigNext[i] == state[i]):
del sigNext[i]
if (nonInput == 1):
return sigNext
else:
if (len(self.inputs) != 0):
for i in self.inputs:
sigNext[i] = func.compStr(state[i])
return sigNext
def getStateEval(self,specSignals, state,nonInput): sigNext = dict([]) for sig in self.outSignals: sigNext[sig] = self.Eval(sig,state,specSignals) #for i in sigNext.keys(): # if(sigNext[i]==state[i]): # del sigNext[i] if(nonInput==1): return sigNext else: if(len(self.inputs)!=0): for i in self.inputs: sigNext[i] = func.compStr(state[i]) return sigNext
def getExcitedSignals(self,state,nonInput): sigNext = dict([]) for sig in self.outSignals: sigNext[sig] = self.Evaluate(sig,state) for i in sigNext.keys(): if(sigNext[i]==state[i]): del sigNext[i] if(nonInput==1): return sigNext else: if(len(self.inputs)!=0): for i in self.inputs: sigNext[i] = func.compStr(state[i]) return sigNext
def cktEval(self, x, state):
fix_val = dict([])
if (x in self.circuitDict):
return self.Eval(x, state, self.signalSpec)
elif (x in self.nodeSet):
fi = self.nodeSet[x][1]
#fi_val = dict([])
for i in fi:
if ('~' in i):
fix_val[i] = func.compStr(state[i.split('~')[1]])
else:
#print 'Fi_val: ', i, fix_val, state, type(fix_val), type(state)
fix_val[i] = state[i]
eval = 1
for i in fix_val.keys():
#print 'item: ', i, fix_val[i], type(fix_val[i])
eval = eval & int(fix_val[i])
return eval
def cktEval(self,x,state):
fix_val = dict([])
if(x in self.circuitDict):
return self.Eval(x, state, self.signalSpec)
elif(x in self.nodeSet):
fi = self.nodeSet[x][1]
#fi_val = dict([])
for i in fi:
if('~' in i):
fix_val[i] = func.compStr(state[i.split('~')[1]])
else:
#print 'Fi_val: ', i, fix_val, state, type(fix_val), type(state)
fix_val[i] = state[i]
eval = 1
for i in fix_val.keys():
#print 'item: ', i, fix_val[i], type(fix_val[i])
eval = eval & int(fix_val[i])
return eval
def extend_state(self, state):
s = copy.deepcopy(state)
si = copy.deepcopy(s)
last_s = copy.deepcopy(s)
done = 0
ReachedExtendState = 0
stack = []
tempStack = []
result = dict([])
for i in self.outputs:
result[i] = 0
Te = self.getExcitedSignals(
s, 1
) ##passing 1 returns excitation on only outputs and internal signals
print 'Te-extend: ', Te
if (len(Te.keys()) == 0):
ReachedExtendState = 1
##result.append([
while (done != 1):
t = Te.keys()[0]
del Te[t]
si = copy.deepcopy(s)
if (len(Te.keys()) != 0):
stack.append([s, Te])
si[t] = func.compStr(s[t])
print 'Arnab', si
tempTe = self.getExcitedSignals(si, 1)
print 'tempte-Excitation', tempTe
ReachedExtendState = 0
outSig = ''
if (len(tempTe.keys()) == 0):
ReachedExtendState = 1
#result['noExcitation'] = 0
#result['extendState'] = copy.deepcopy(si)
result[t] = 1
done = 1
else:
for sig in self.outputs:
if (sig in tempTe.keys()):
ReachedExtendState = 1
outSig = sig
result[outSig] = 1
if (ReachedExtendState == 1):
result[outSig] = 1
#result['noExcitation'] = 1
else:
s = copy.deepcopy(si)
Te = tempTe
if (ReachedExtendState == 1 and len(stack) != 0):
tempStack = stack.pop()
si = tempStack[0]
Te = tempStack[1]
if (Te.keys() == 0):
done = 1
elif (ReachedExtendState == 1 and len(stack) == 0):
done = 1
print '================= from extend state ======================'
print '------------------ state = ', state, '--------------------'
for i, v in result.iteritems():
print i, ' ', v
print '================ end of extend state ====================='
return result
