Libc-763.12.tar.gz

[apple/libc.git] / gen / cache.c

diff --git a/gen/cache.c b/gen/cache.c
index d6bbe5d1f4c81f07d1537e2364ba8eac36078100..c47d48142de066dc9bccd807643688e406fd481e 100644 (file)
--- a/gen/cache.c
+++ b/gen/cache.c
@@ -1,10 +1,8 @@
 /*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2006 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
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -28,16 +26,27 @@
 #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(unsigned int options, caddr_t start, size_t len)
+sys_cache_control(int function, void *start, size_t len)
 {
-     if (options == kCacheOptionsSyncForExecution) {
-         sys_icache_invalidate(start, len);
-         return 0;
-     }
-     return ENOTSUP;
+       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;
 }