mirror of
https://github.com/sonicdcer/sf64.git
synced 2024-11-22 20:40:14 +00:00
59 lines
2.1 KiB
Python
Executable File
59 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import argparse
|
|
from pathlib import Path
|
|
|
|
try:
|
|
import rabbitizer
|
|
except ImportError:
|
|
print("Missing dependency rabbitizer, install it with `python3 -m pip install 'rabbitizer>=1.0.0,<2.0.0'`")
|
|
exit(1)
|
|
|
|
try:
|
|
import mapfile_parser
|
|
except ImportError:
|
|
print("Missing dependency mapfile_parser, install it with `python3 -m pip install 'mapfile-parser>=1.2.1,<2.0.0'`")
|
|
exit(1)
|
|
|
|
|
|
def decodeInstruction(bytesDiff: bytes, mapFile: mapfile_parser.MapFile) -> str:
|
|
word = (bytesDiff[0] << 24) | (bytesDiff[1] << 16) | (bytesDiff[2] << 8) | (bytesDiff[3] << 0)
|
|
instr = rabbitizer.Instruction(word)
|
|
immOverride = None
|
|
|
|
if instr.isJumpWithAddress():
|
|
# Instruction is a function call (jal)
|
|
|
|
# Get the embedded address of the function call
|
|
symAddress = instr.getInstrIndexAsVram()
|
|
|
|
# Search for the address in the mapfile
|
|
symInfo = mapFile.findSymbolByVramOrVrom(symAddress)
|
|
if symInfo is not None:
|
|
# Use the symbol from the mapfile instead of a raw value
|
|
immOverride = symInfo.symbol.name
|
|
|
|
return instr.disassemble(immOverride=immOverride, extraLJust=-20)
|
|
|
|
def firstDiffMain():
|
|
parser = argparse.ArgumentParser(description="Find the first difference(s) between the built ROM and the base ROM.")
|
|
|
|
parser.add_argument("-c", "--count", type=int, default=5, help="find up to this many instruction difference(s)")
|
|
parser.add_argument("-v", "--version", help="Which version should be processed", default="us.rev1")
|
|
parser.add_argument("-a", "--add-colons", action='store_true', help="Add colon between bytes" )
|
|
|
|
args = parser.parse_args()
|
|
|
|
buildFolder = Path("build")
|
|
|
|
BUILTROM = Path(buildFolder / f"starfox64.us.rev1.uncompressed.z64")
|
|
BUILTMAP = buildFolder / f"starfox64.us.rev1.map"
|
|
|
|
EXPECTEDROM = Path("baserom.us.rev1.uncompressed.z64")
|
|
EXPECTEDMAP = "expected" / BUILTMAP
|
|
|
|
mapfile_parser.frontends.first_diff.doFirstDiff(BUILTMAP, EXPECTEDMAP, BUILTROM, EXPECTEDROM, args.count, mismatchSize=True, addColons=args.add_colons, bytesConverterCallback=decodeInstruction)
|
|
|
|
if __name__ == "__main__":
|
|
firstDiffMain()
|