add post proc hex script

post_proc_hex.py

@@ -0,0 +1,35 @@
+import sys
+
+def filter_verilog(input_filename, output_filename, max_address="0x50000000"):
+
+    max_address_hex = int(max_address, 16)
+
+    try:
+        with open(input_filename, 'r') as input_file:
+            verilog_lines = input_file.readlines()
+
+        filtered_lines = []
+        # Filter out lines with addresses above max_address
+        for line in verilog_lines:
+            if line.startswith('@'):
+                address = int(line[1:].split()[0], 16)
+                if address >= max_address_hex:
+                    print(f"address {hex(address)} >= max_address {hex(max_address_hex)}")
+                    break
+            filtered_lines.append(line)
+
+        with open(output_filename, 'w') as output_file:
+            output_file.writelines(filtered_lines)
+
+        print(f"Filtered Verilog saved to {output_filename}")
+    except FileNotFoundError:
+        print(f"Error: File '{input_filename}' not found.")
+
+if len(sys.argv) != 3:
+        print("Usage: python post_proc_hex.py <arg1> <arg2>")
+        sys.exit(1)
+
+input_file = sys.argv[1]
+output_file = sys.argv[2]
+
+filter_verilog(input_file, output_file)