diff --git a/asahi_firmware/bluetooth.py b/asahi_firmware/bluetooth.py
index 0934225..3eaa442 100644
--- a/asahi_firmware/bluetooth.py
+++ b/asahi_firmware/bluetooth.py
@@ -1,8 +1,25 @@
+#!/usr/bin/env python3
 # SPDX-License-Identifier: MIT
 import logging, os, os.path, re, sys
 from collections import namedtuple, defaultdict
+from hashlib import sha256
 
-from .core import FWFile
+class FWFile(object):
+    def __init__(self, name, data):
+        self.name = name
+        self.data = data
+        self.sha = sha256(data).hexdigest()
+
+    def __repr__(self):
+        return f"FWFile({self.name!r}, <{self.sha[:16]}>)"
+
+    def __eq__(self, other):
+        if other is None:
+            return False
+        return self.sha == other.sha
+
+    def __hash__(self):
+        return hash(self.sha)
 
 log = logging.getLogger("asahi_firmware.bluetooth")
 
@@ -127,16 +144,16 @@ class BluetoothFWCollection(object):
 
 if __name__ == "__main__":
     col = BluetoothFWCollection(sys.argv[1])
-
-    if len(sys.argv) > 2:
-        from . import FWPackage
-
-        pkg = FWPackage(sys.argv[2])
-        pkg.add_files(sorted(col.files()))
-        pkg.close()
-
-        for i in pkg.manifest:
-            print(i)
-    else:
-        for name, fwfile in col.files():
-            print(name, f"{fwfile.name} ({len(fwfile.data)} bytes)")
+    
+    dir = os.path.join(sys.argv[2], "brcm")
+    os.makedirs(dir)
+
+    hashes = {}
+    for name, data in sorted(col.files()):
+        path = os.path.join(sys.argv[2], name)
+        if data.sha in hashes:
+            os.link(hashes[data.sha], path)
+        else:
+            with open(path, "wb") as f:
+                f.write(data.data)
+            hashes[data.sha] = path
diff --git a/asahi_firmware/wifi.py b/asahi_firmware/wifi.py
index 346965c..261aa32 100644
--- a/asahi_firmware/wifi.py
+++ b/asahi_firmware/wifi.py
@@ -1,6 +1,24 @@
+#!/usr/bin/env python3
 # SPDX-License-Identifier: MIT
 import sys, os, os.path, pprint, statistics, logging
-from .core import FWFile
+from hashlib import sha256
+
+class FWFile(object):
+    def __init__(self, name, data):
+        self.name = name
+        self.data = data
+        self.sha = sha256(data).hexdigest()
+
+    def __repr__(self):
+        return f"FWFile({self.name!r}, <{self.sha[:16]}>)"
+
+    def __eq__(self, other):
+        if other is None:
+            return False
+        return self.sha == other.sha
+
+    def __hash__(self):
+        return hash(self.sha)
 
 log = logging.getLogger("asahi_firmware.wifi")
 
@@ -40,7 +58,9 @@ class WiFiFWCollection(object):
         self.prune()
 
     def load(self, source_path):
+        included_folders = ["C-4355__s-C1", "C-4364__s-B2", "C-4364__s-B3", "C-4377__s-B3"]
         for dirpath, dirnames, filenames in os.walk(source_path):
+            dirnames[:] = [d for d in dirnames if d in included_folders]
             if "perf" in dirnames:
                 dirnames.remove("perf")
             if "assert" in dirnames:
@@ -141,18 +161,16 @@ class WiFiFWCollection(object):
 
 if __name__ == "__main__":
     col = WiFiFWCollection(sys.argv[1])
-    if len(sys.argv) > 2:
-        from .core import FWPackage
-
-        pkg = FWPackage(sys.argv[2])
-        pkg.add_files(sorted(col.files()))
-        pkg.close()
-
-        for i in pkg.manifest:
-            print(i)
-    else:
-        for name, fwfile in col.files():
-            if isinstance(fwfile, str):
-                print(name, "->", fwfile)
-            else:
-                print(name, f"({len(fwfile.data)} bytes)")
+
+    dir = os.path.join(sys.argv[2], "brcm")
+    os.makedirs(dir)
+
+    hashes = {}
+    for name, data in sorted(col.files()):
+        path = os.path.join(sys.argv[2], name)
+        if data.sha in hashes:
+            os.link(hashes[data.sha], path)
+        else:
+            with open(path, "wb") as f:
+                f.write(data.data)
+            hashes[data.sha] = path