Added plc to Innovus placement tcl generation script

Signed-off-by: sakundu <sakundu@ucsd.edu>

Flows/util/plc_pb_to_placement_tcl.py

+'''
+Convert plc to place.tcl for macros
+'''
+import sys
+import re
+import numpy as np
+
+plc_file = sys.argv[1]
+pb_file = sys.argv[2]
+place_tcl = sys.argv[3]
+
+orientMap = {
+    "N" : "R0",
+    "S" : "R180",
+    "W" : "R90",
+    "E" : "R270",
+    "FN" : "MY",
+    "FS" : "MX",
+    "FW" : "MX90",
+    "FE" : "MY90"
+}
+
+class pb_object:
+    def __init__(self, id):
+        self.name = None
+        self.node_id = id
+        self.height = 0
+        self.width = 0
+        self.weight = 0
+        self.x = -1
+        self.x_offset = 0
+        self.y = -1
+        self.y_offset = 0
+        self.m_name = None
+        self.pb_type = None
+        self.side = None
+        self.orientation = None
+
+fp = open(pb_file, "r")
+lines = fp.readlines()
+
+key1 = ['"height"', '"weight"', '"width"', '"x"', '"x_offset"', '"y"', '"y_offset"']
+key2 = ['"macro_name"', '"orientation"', '"side"', '"type"']
+node_list = []
+
+node_id = 0
+key = ""
+keys = set()
+for line in lines:
+    words = line.split()
+    if words[0] == 'node':
+        node_list.append(pb_object(node_id))
+        node_id += 1
+    elif words[0] == 'name:':
+        node_list[-1].name = words[1]
+    elif words[0] == 'key:' :
+        key = words[1]
+        keys.add(key)
+    elif words[0] == 'placeholder:' :
+        if key == key2[0]:
+            node_list[-1].m_name = words[1]
+        elif key == key2[1]:
+            node_list[-1].orientation = words[1]
+        elif key == key2[2]:
+            node_list[-1].side = words[1]
+        elif key == key2[3]:
+            node_list[-1].pb_type = words[1]
+    elif words[0] == 'f:' :
+        if key == key1[0]:
+            node_list[-1].height = words[1]
+        elif key == key1[1]:
+            node_list[-1].weight = words[1]
+        elif key == key1[2]:
+            node_list[-1].width = words[1]
+        elif key == key1[3]:
+            node_list[-1].x = np.round(float(words[1]),6)
+        elif key == key1[4]:
+            node_list[-1].x_offset = words[1]
+        elif key == key1[5]:
+            node_list[-1].y = np.round(float(words[1]),6)
+        elif key == key1[6]:
+            node_list[-1].y_offset = words[1]
+fp.close()
+
+fp = open(plc_file, "r")
+lines = fp.readlines()
+fp_out = open(place_tcl, "w")
+id_pattern = re.compile("[0-9]+")
+for line in lines:
+    words = line.split()
+    if id_pattern.match(words[0]) and (len(words) == 5):
+        idx = int(words[0])
+        if node_list[idx].pb_type == '"MACRO"':
+            x = words[1]
+            y = words[2]
+            orient = orientMap[words[3]]
+            isFixed = words[4]
+            macro_name = node_list[idx].name.replace('_[', '\[')
+            macro_name = macro_name.replace('_]', '\]')
+            fp_out.write(f"placeInstance {macro_name} {x}"\
+                        f" {y} {orient} -fixed\n")
+fp.close()
+fp_out.close()