--- Libc/Libc-498/gen/cache.c
+++ Libc/Libc-320/gen/cache.c
@@ -1,7 +1,9 @@
 /*
- * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
@@ -26,27 +28,16 @@
 #include <stddef.h>
 #include <errno.h>
 #include <sys/types.h>
-#include <libkern/OSCacheControl.h>
 
+static const unsigned int kCacheOptionsSyncForExecution = 0x1;
+extern void sys_icache_invalidate(void *, size_t);
 
 int
-sys_cache_control(int function, void *start, size_t len)
+sys_cache_control(unsigned int options, caddr_t start, size_t len)
 {
-	int	status = 0;
-	
-	switch( function ) {
-	
-	case kCacheFunctionPrepareForExecution:
-		sys_icache_invalidate(start, len);
-		break;
-		
-	case kCacheFunctionFlushDcache:
-		sys_dcache_flush(start, len);
-		break;
-		
-	default:
-		status = ENOTSUP;
-	}
-	
-	return	status;
+     if (options == kCacheOptionsSyncForExecution) {
+	  sys_icache_invalidate(start, len);
+	  return 0;
+     }
+     return ENOTSUP;
 }