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Operations.py
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Operations.py
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import Macros as M
LOOK_UP_TABLE = [
[M.VALUE_U, M.VALUE_X, M.VALUE_0, M.VALUE_1, M.VALUE_U],
[M.VALUE_U, M.VALUE_X, M.VALUE_X, M.VALUE_X, M.VALUE_X],
[M.VALUE_U, M.VALUE_X, M.VALUE_0, M.VALUE_X, M.VALUE_0],
[M.VALUE_U, M.VALUE_X, M.VALUE_X, M.VALUE_1, M.VALUE_1],
[M.VALUE_U, M.VALUE_X, M.VALUE_0, M.VALUE_1, M.VALUE_Z]
]
#INDEX_TABLE = {M.VALUE_U : 0, M.VALUE_X : 1, M.VALUE_0 : 2, M.VALUE_1 : 3, M.VALUE_Z : 4}
def AND_OPERATION(a,b):
if(a == M.VALUE_U and b == M.VALUE_U):
return M.VALUE_X
elif(a == M.VALUE_0 or b == M.VALUE_0):
return M.VALUE_0
elif(a == M.VALUE_X or b == M.VALUE_X):
return M.VALUE_X
else:
return M.VALUE_1
def OR_OPERATION(a,b):
if(a == M.VALUE_1 or b == M.VALUE_1):
return M.VALUE_1
elif(a == M.VALUE_X or b == M.VALUE_X):
return M.VALUE_X
elif( a == M.VALUE_U and b == M.VALUE_U):
return M.VALUE_X
else:
return M.VALUE_0
def NOT_OPERATION(a):
if(a == M.VALUE_U or a == M.VALUE_X):
return M.VALUE_X
elif(a == M.VALUE_0):
return M.VALUE_1
elif(a == M.VALUE_1):
return M.VALUE_0
else:
return a
def Resolve_Value(a,b):
return LOOK_UP_TABLE[a - M.VALUE_U][b - M.VALUE_U]
def Insert_Driving_Value(Sig_Index,Value,kernel):
if(not(bool(kernel.Signal[Sig_Index]['Driving_Count']))): # Nobody registered for some value change
kernel.Signal_Update_Event[0] += 1
kernel.Signal_Update_Event[kernel.Signal_Update_Event[0]] = Sig_Index # stores the Signal Index
kernel.Driver[kernel.Signal[Sig_Index]['Driver_Head'] + kernel.Signal[Sig_Index]['Driving_Count']] = Value # Stores Value
kernel.Signal[Sig_Index]['Driving_Count'] += 1
def Get_Signal_Value(Sig,kernel):
if( Sig >= M.VALUE_U): # Std Value
return Sig
else:
return kernel.Signal[Sig]['Eff_Val'] # Returns current Effective Value
def Schedule_Time_Event(ele,delay,kernel):
count = 0
flag = 0
for event in kernel.Event_List:
if(event[0] == kernel.time + delay + 1):
event.append(ele)
flag = 1
break
elif(event[0] > kernel.time + delay + 1):
kernel.Event_List.insert(count, [kernel.time+delay+1, ele])
flag = 1
break
count += 1
if(flag == 0):
kernel.Event_List.append([kernel.time+delay+1, ele])
def Trigger_Sensitive_Processes(Sig_Index,kernel):
if(bool(kernel.Signal[Sig_Index]['Triggered_Process_Count'])):
for i in range(0,kernel.Signal[Sig_Index]['Triggered_Process_Count']):
pro_id = kernel.Triggering_Process[kernel.Signal[Sig_Index]['Triggered_Process_Start'] + i]
if(not(bool(kernel.Signal_Triggered_Process[pro_id]['Triggered_Bit']))): # Need to be registered
kernel.Signal_Triggered_Process[pro_id]['Triggered_Bit'] = 1
kernel.Process_Trigger_Event[0] += 1
kernel.Process_Trigger_Event[kernel.Process_Trigger_Event[0]] = pro_id
def STORE(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#S2 = kernel.Instructions[process['Current_Instruction_Index'] + 2]
#Value = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel)
Insert_Driving_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel), kernel)
process['Current_Instruction_Index'] += 3
return 0
def AND_TEM(process,kernel):
#S1 = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
#S2 = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel)
kernel.Tem = AND_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel), Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel))
process['Current_Instruction_Index'] += 3
return 0
def OR_TEM(process,kernel):
#S1 = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
#S2 = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel)
kernel.Tem = OR_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel), Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel))
process['Current_Instruction_Index'] += 3
return 0
def NOT_TEM(process,kernel):
#S1 = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
kernel.Tem = NOT_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel))
process['Current_Instruction_Index'] += 2
return 0
def NOT(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#S2 = kernel.Instructions[process['Current_Instruction_Index'] + 2]
#Value = NOT_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel))
Insert_Driving_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], NOT_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 2], kernel)), kernel)
process['Current_Instruction_Index'] += 3
return 0
def DELAY_STORE_TEM(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1] *Delayed Asiignment Index
#t = kernel.Instructions[process['Current_Instruction_Index'] + 2]
#ele = kernel.Delayed_Assignment[kernel.Instructions[process['Current_Instruction_Index'] + 1]]
kernel.Delayed_Assignment[kernel.Instructions[process['Current_Instruction_Index'] + 1]][2] = kernel.Tem
Schedule_Time_Event(kernel.Delayed_Assignment[kernel.Instructions[process['Current_Instruction_Index'] + 1]], kernel.Instructions[process['Current_Instruction_Index'] + 2],kernel)
process['Current_Instruction_Index'] += 3
return 0
def WAIT(process,kernel):
#t = kernel.Instructions[process['Current_Instruction_Index'] + 1]
Schedule_Time_Event(process, kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
process['Current_Instruction_Index'] += 2
return 1 # Suspention msg returned
def STORE_TEM(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
Insert_Driving_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel.Tem, kernel)
process['Current_Instruction_Index'] += 2
return 0
def TEM_STORE(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#Value = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
kernel.Tem = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
process['Current_Instruction_Index'] += 2
return 0
def TEM_AND(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#Value = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
kernel.Tem = AND_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel), kernel.Tem)
process['Current_Instruction_Index'] += 2
return 0
def TEM_OR(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#Value = Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel)
kernel.Tem = OR_OPERATION(Get_Signal_Value(kernel.Instructions[process['Current_Instruction_Index'] + 1], kernel), kernel.Tem)
process['Current_Instruction_Index'] += 2
return 0
def TEM_NOT(process,kernel):
kernel.Tem = NOT_OPERATION(kernel.Tem)
process['Current_Instruction_Index'] += 1
return 0
def REPORT(process,kernel):
#S1 = kernel.Instructions[process['Current_Instruction_Index'] + 1]
#Value = kernel.Signal[kernel.Instructions[process['Current_Instruction_Index'] + 1]]['Eff_Val']
print("Value of "+kernel.Signal_to_Signal_Name[kernel.Instructions[process['Current_Instruction_Index'] + 1]]+" = "+kernel.Value_Map[kernel.Signal[kernel.Instructions[process['Current_Instruction_Index'] + 1]]['Eff_Val'] - M.VALUE_U])
print("Time = "+str(kernel.time))
process['Current_Instruction_Index'] += 2
return 0
OPCODES = {
1: STORE, # S1 <= S2 (OP,S1,S2)
2: AND_TEM, # tem <= S1 and S2 (OP,S1,S2)
3: OR_TEM, # tem <= S1 or S2 (OP,S1,S2)
4: NOT_TEM, # tem <= not(S1) (OP,S1)
5: NOT, # S1 <= not(S2) (OP,S1,S2)
6: DELAY_STORE_TEM, # S1 <= tem after t ns (OP,S1,t) // Here S1 is not original Signal index, But delayed index
7: WAIT, # wait for t ns (OP,t)
8: STORE_TEM, # S1 <= tem (OP,S1)
9: TEM_STORE, # tem <= S1 (OP,S1)
10: TEM_AND, # tem <= tem and S1 (OP,S1)
11: TEM_OR, # tem <= tem or S1 (OP,S1)
12: TEM_NOT, # tem <= not(tem) (OP)
13: REPORT # reports value of S1 (OP,S1)
}