Add test code and top level Makefile

script/generate_rom_image.py

@@ -0,0 +1,40 @@
+import getopt
+import sys
+
+# ROM size in bytes
+ROM_SIZE = 2**16
+DATA_WIDTH = 32
+
+NUM_ENTRIES = ROM_SIZE // (DATA_WIDTH//8)
+
+def main(argv):
+    inputfile = ''
+    outputfile = ''
+    opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="])
+    for opt, arg in opts:
+        if opt == '-h':
+            print ('test.py -i <inputfile> -o <outputfile>')
+            sys.exit()
+        elif opt in ("-i", "--ifile"):
+            inputfile = arg
+        elif opt in ("-o", "--ofile"):
+            outputfile = arg
+
+    with open(outputfile, "w") as init_file, open(inputfile, "rb") as hex_file:
+        init_file.write("@00000000\n")
+
+        while True:
+            hex_bytes = hex_file.read(4)
+            if len(hex_bytes) == 0:
+                break
+
+            val = int.from_bytes(hex_bytes, byteorder="little")
+            init_file.write(f"{val:x}\n")
+
+            if len(hex_bytes) < 4:
+                break
+        
+        print("Done!")
+
+if __name__ == "__main__":
+    main(sys.argv[1:])