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map_ports.py
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map_ports.py
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#!/usr/bin/env python3
import re
import sys
import os
from pathlib import Path
if(len(sys.argv)!=3):
sys.exit("[ERROR] Usage: map_ports YOSYS_BLIF_FILE MOCKTURTLE_BLIF_FILE")
yosys_file = sys.argv[1]
mockturtle_file = sys.argv[2]
print("mapping: " + mockturtle_file + " to " + yosys_file)
os.system('pwd')
inputVariables = []
outputVariables = []
with open(yosys_file, 'r') as infile:
lines = infile.readlines()
for line in lines:
if line.startswith(".inputs"):
inputs = line.split()
inputVariables = inputs[1:]
if line.startswith(".outputs"):
outputs = line.split()
outputVariables = outputs[1:]
#print('input variables',inputVariables)
#print('ouput variables',outputVariables)
replacementList = {}
for x in range(len(inputVariables)):
inputReplaceVar = "pi" + str(x + 1)
replacementList.update({inputReplaceVar:inputVariables[x]})
for x in range(len(outputVariables)):
inputReplaceVar = "po" + str(x)
replacementList.update({inputReplaceVar:outputVariables[x]})
#print('replacement list:',replacementList)
#construct mapped path
#mapped_file_parts = mockturtle_file.split('/')
#mapped_file_parts[-1] = "muxig" + mapped_file_parts[-1]
#mapped_file = "/".join(mapped_file_parts)
mapped_path = Path(mockturtle_file)
mapped_name = mapped_path.name.replace("_temp", "")
mapped_file = mapped_path.with_name(mapped_name)
#replace the replacement items in the blif Mockturtle file back to yosys input and outputs
with open(mockturtle_file, 'r') as mockfile:
with open(mapped_file, 'w') as outfile:
for line in mockfile:
for src, target in replacementList.items():
line = line.replace(src + " ", target + " ")
if line.endswith(src+'\n'):
line = line[:-len(src)-1] + target + '\n'
outfile.write(line)
#print("Output written to ", mapped_file)

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