New postprocess.py and cc1

papermario/tools/postprocess.py

@@ -0,0 +1,45 @@
+#!/usr/bin/python3
+import fileinput
+import os
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+asm_dir = script_dir + "/../asm/"
+
+
+def tohex(val, nbits):
+    return hex((val + (1 << nbits)) % (1 << nbits))
+
+
+def gen_lui_addiu(line):
+    line = line.strip()
+    line_bits = line.split("\t")[1]
+    reg, addr = line_bits.split(",")
+    upper_addr = tohex(int(addr) >> 16, 16)
+    lower_addr = tohex(int(addr) & 0xFFFF, 16)
+    ret = "lui\t" + reg + "," + upper_addr + "\n" + \
+          "addiu\t" + reg + ", $zero, " + lower_addr
+    return ret
+
+
+def main():
+    skip_next = False
+    for line in fileinput.input():
+        line = line.strip()
+        if skip_next:
+            skip_next = False
+            continue
+
+        # Don't print the line after this
+        if line == "#NO_APP":
+            skip_next = True
+
+        # Transform la
+        if line.startswith("la\t"):
+            print(gen_lui_addiu(line))
+            continue
+
+        print(line)
+
+
+if __name__ == '__main__':
+    main()